summaryrefslogtreecommitdiffstats
path: root/src/boost/libs/context
diff options
context:
space:
mode:
Diffstat (limited to 'src/boost/libs/context')
-rw-r--r--src/boost/libs/context/README.md21
-rw-r--r--src/boost/libs/context/build/Jamfile.v2828
-rw-r--r--src/boost/libs/context/build/architecture.jam92
-rw-r--r--src/boost/libs/context/build/cxx11_hdr_mutex.cpp10
-rw-r--r--src/boost/libs/context/example/callcc/Jamfile.v279
-rw-r--r--src/boost/libs/context/example/callcc/backtrace.cpp57
-rw-r--r--src/boost/libs/context/example/callcc/circle.cpp44
-rw-r--r--src/boost/libs/context/example/callcc/echosse.cpp46
-rw-r--r--src/boost/libs/context/example/callcc/endless_loop.cpp28
-rw-r--r--src/boost/libs/context/example/callcc/fibonacci.cpp36
-rw-r--r--src/boost/libs/context/example/callcc/jump.cpp35
-rw-r--r--src/boost/libs/context/example/callcc/jump_mov.cpp59
-rw-r--r--src/boost/libs/context/example/callcc/jump_void.cpp28
-rw-r--r--src/boost/libs/context/example/callcc/ontop.cpp40
-rw-r--r--src/boost/libs/context/example/callcc/ontop_void.cpp40
-rw-r--r--src/boost/libs/context/example/callcc/parser.cpp128
-rw-r--r--src/boost/libs/context/example/callcc/segmented.cpp51
-rw-r--r--src/boost/libs/context/example/callcc/stack.cpp25
-rw-r--r--src/boost/libs/context/example/callcc/throw.cpp47
-rw-r--r--src/boost/libs/context/example/fiber/Jamfile.v283
-rw-r--r--src/boost/libs/context/example/fiber/backtrace.cpp57
-rw-r--r--src/boost/libs/context/example/fiber/circle.cpp44
-rw-r--r--src/boost/libs/context/example/fiber/echosse.cpp46
-rw-r--r--src/boost/libs/context/example/fiber/endless_loop.cpp30
-rw-r--r--src/boost/libs/context/example/fiber/fibonacci.cpp36
-rw-r--r--src/boost/libs/context/example/fiber/jump.cpp35
-rw-r--r--src/boost/libs/context/example/fiber/jump_mov.cpp59
-rw-r--r--src/boost/libs/context/example/fiber/jump_void.cpp29
-rw-r--r--src/boost/libs/context/example/fiber/ontop.cpp41
-rw-r--r--src/boost/libs/context/example/fiber/ontop_void.cpp41
-rw-r--r--src/boost/libs/context/example/fiber/parser.cpp127
-rw-r--r--src/boost/libs/context/example/fiber/segmented.cpp51
-rw-r--r--src/boost/libs/context/example/fiber/stack.cpp25
-rw-r--r--src/boost/libs/context/example/fiber/throw.cpp45
-rw-r--r--src/boost/libs/context/index.html14
-rw-r--r--src/boost/libs/context/meta/libraries.json15
-rw-r--r--src/boost/libs/context/performance/callcc/Jamfile.v234
-rw-r--r--src/boost/libs/context/performance/callcc/performance.cpp102
-rw-r--r--src/boost/libs/context/performance/clock.hpp45
-rw-r--r--src/boost/libs/context/performance/cycle.hpp26
-rw-r--r--src/boost/libs/context/performance/cycle_i386.hpp83
-rw-r--r--src/boost/libs/context/performance/cycle_x86-64.hpp79
-rw-r--r--src/boost/libs/context/performance/fcontext/Jamfile.v234
-rw-r--r--src/boost/libs/context/performance/fcontext/performance.cpp150
-rw-r--r--src/boost/libs/context/performance/fiber/Jamfile.v234
-rw-r--r--src/boost/libs/context/performance/fiber/performance.cpp102
-rw-r--r--src/boost/libs/context/src/asm/jump_arm64_aapcs_elf_gas.S114
-rw-r--r--src/boost/libs/context/src/asm/jump_arm64_aapcs_macho_gas.S109
-rw-r--r--src/boost/libs/context/src/asm/jump_arm_aapcs_elf_gas.S88
-rw-r--r--src/boost/libs/context/src/asm/jump_arm_aapcs_macho_gas.S95
-rw-r--r--src/boost/libs/context/src/asm/jump_arm_aapcs_pe_armasm.asm81
-rw-r--r--src/boost/libs/context/src/asm/jump_combined_sysv_macho_gas.S20
-rw-r--r--src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm123
-rw-r--r--src/boost/libs/context/src/asm/jump_i386_ms_pe_masm.asm116
-rw-r--r--src/boost/libs/context/src/asm/jump_i386_sysv_elf_gas.S83
-rw-r--r--src/boost/libs/context/src/asm/jump_i386_sysv_macho_gas.S74
-rw-r--r--src/boost/libs/context/src/asm/jump_i386_x86_64_sysv_macho_gas.S16
-rw-r--r--src/boost/libs/context/src/asm/jump_mips32_o32_elf_gas.S119
-rw-r--r--src/boost/libs/context/src/asm/jump_mips64_n64_elf_gas.S121
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc32_ppc64_sysv_macho_gas.S16
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc32_sysv_elf_gas.S201
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc32_sysv_macho_gas.S201
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc32_sysv_xcoff_gas.S203
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc64_sysv_elf_gas.S221
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc64_sysv_macho_gas.S164
-rw-r--r--src/boost/libs/context/src/asm/jump_ppc64_sysv_xcoff_gas.S92
-rw-r--r--src/boost/libs/context/src/asm/jump_riscv64_sysv_elf_gas.S150
-rw-r--r--src/boost/libs/context/src/asm/jump_s390x_sysv_elf_gas.S156
-rw-r--r--src/boost/libs/context/src/asm/jump_x86_64_ms_pe_gas.asm209
-rw-r--r--src/boost/libs/context/src/asm/jump_x86_64_ms_pe_masm.asm205
-rw-r--r--src/boost/libs/context/src/asm/jump_x86_64_sysv_elf_gas.S81
-rw-r--r--src/boost/libs/context/src/asm/jump_x86_64_sysv_macho_gas.S75
-rw-r--r--src/boost/libs/context/src/asm/make_arm64_aapcs_elf_gas.S85
-rw-r--r--src/boost/libs/context/src/asm/make_arm64_aapcs_macho_gas.S88
-rw-r--r--src/boost/libs/context/src/asm/make_arm_aapcs_elf_gas.S81
-rw-r--r--src/boost/libs/context/src/asm/make_arm_aapcs_macho_gas.S71
-rw-r--r--src/boost/libs/context/src/asm/make_arm_aapcs_pe_armasm.asm77
-rw-r--r--src/boost/libs/context/src/asm/make_combined_sysv_macho_gas.S20
-rw-r--r--src/boost/libs/context/src/asm/make_i386_ms_pe_gas.asm153
-rw-r--r--src/boost/libs/context/src/asm/make_i386_ms_pe_masm.asm140
-rw-r--r--src/boost/libs/context/src/asm/make_i386_sysv_elf_gas.S107
-rw-r--r--src/boost/libs/context/src/asm/make_i386_sysv_macho_gas.S90
-rw-r--r--src/boost/libs/context/src/asm/make_i386_x86_64_sysv_macho_gas.S16
-rw-r--r--src/boost/libs/context/src/asm/make_mips32_o32_elf_gas.S97
-rw-r--r--src/boost/libs/context/src/asm/make_mips64_n64_elf_gas.S96
-rw-r--r--src/boost/libs/context/src/asm/make_ppc32_ppc64_sysv_macho_gas.S16
-rw-r--r--src/boost/libs/context/src/asm/make_ppc32_sysv_elf_gas.S146
-rw-r--r--src/boost/libs/context/src/asm/make_ppc32_sysv_macho_gas.S137
-rw-r--r--src/boost/libs/context/src/asm/make_ppc32_sysv_xcoff_gas.S138
-rw-r--r--src/boost/libs/context/src/asm/make_ppc64_sysv_elf_gas.S177
-rw-r--r--src/boost/libs/context/src/asm/make_ppc64_sysv_macho_gas.S126
-rw-r--r--src/boost/libs/context/src/asm/make_ppc64_sysv_xcoff_gas.S68
-rw-r--r--src/boost/libs/context/src/asm/make_riscv64_sysv_elf_gas.S91
-rw-r--r--src/boost/libs/context/src/asm/make_s390x_sysv_elf_gas.S108
-rw-r--r--src/boost/libs/context/src/asm/make_x86_64_ms_pe_gas.asm174
-rw-r--r--src/boost/libs/context/src/asm/make_x86_64_ms_pe_masm.asm163
-rw-r--r--src/boost/libs/context/src/asm/make_x86_64_sysv_elf_gas.S82
-rw-r--r--src/boost/libs/context/src/asm/make_x86_64_sysv_macho_gas.S76
-rw-r--r--src/boost/libs/context/src/asm/ontop_arm64_aapcs_elf_gas.S113
-rw-r--r--src/boost/libs/context/src/asm/ontop_arm64_aapcs_macho_gas.S108
-rw-r--r--src/boost/libs/context/src/asm/ontop_arm_aapcs_elf_gas.S93
-rw-r--r--src/boost/libs/context/src/asm/ontop_arm_aapcs_macho_gas.S100
-rw-r--r--src/boost/libs/context/src/asm/ontop_arm_aapcs_pe_armasm.asm86
-rw-r--r--src/boost/libs/context/src/asm/ontop_combined_sysv_macho_gas.S20
-rw-r--r--src/boost/libs/context/src/asm/ontop_i386_ms_pe_gas.asm131
-rw-r--r--src/boost/libs/context/src/asm/ontop_i386_ms_pe_masm.asm124
-rw-r--r--src/boost/libs/context/src/asm/ontop_i386_sysv_elf_gas.S90
-rw-r--r--src/boost/libs/context/src/asm/ontop_i386_sysv_macho_gas.S81
-rw-r--r--src/boost/libs/context/src/asm/ontop_i386_x86_64_sysv_macho_gas.S16
-rw-r--r--src/boost/libs/context/src/asm/ontop_mips32_o32_elf_gas.S120
-rw-r--r--src/boost/libs/context/src/asm/ontop_mips64_n64_elf_gas.S120
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc32_ppc64_sysv_macho_gas.S16
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc32_sysv_elf_gas.S193
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc32_sysv_macho_gas.S201
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc32_sysv_xcoff_gas.S203
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc64_sysv_elf_gas.S244
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc64_sysv_macho_gas.S151
-rw-r--r--src/boost/libs/context/src/asm/ontop_ppc64_sysv_xcoff_gas.S83
-rw-r--r--src/boost/libs/context/src/asm/ontop_riscv64_sysv_elf_gas.S149
-rw-r--r--src/boost/libs/context/src/asm/ontop_s390x_sysv_elf_gas.S146
-rw-r--r--src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_gas.asm211
-rw-r--r--src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_masm.asm207
-rw-r--r--src/boost/libs/context/src/asm/ontop_x86_64_sysv_elf_gas.S84
-rw-r--r--src/boost/libs/context/src/asm/ontop_x86_64_sysv_macho_gas.S78
-rw-r--r--src/boost/libs/context/src/asm/tail_ppc32_sysv_elf_gas.cpp18
-rw-r--r--src/boost/libs/context/src/continuation.cpp60
-rw-r--r--src/boost/libs/context/src/dummy.cpp0
-rw-r--r--src/boost/libs/context/src/fiber.cpp58
-rw-r--r--src/boost/libs/context/src/posix/stack_traits.cpp122
-rw-r--r--src/boost/libs/context/src/untested.cpp7
-rw-r--r--src/boost/libs/context/src/windows/stack_traits.cpp116
-rw-r--r--src/boost/libs/context/test/Jamfile.v2218
-rw-r--r--src/boost/libs/context/test/test_apply.cpp209
-rw-r--r--src/boost/libs/context/test/test_callcc.cpp516
-rw-r--r--src/boost/libs/context/test/test_fcontext.cpp352
-rw-r--r--src/boost/libs/context/test/test_fiber.cpp538
-rw-r--r--src/boost/libs/context/test/test_invoke.cpp233
137 files changed, 14532 insertions, 0 deletions
diff --git a/src/boost/libs/context/README.md b/src/boost/libs/context/README.md
new file mode 100644
index 000000000..44aeff04f
--- /dev/null
+++ b/src/boost/libs/context/README.md
@@ -0,0 +1,21 @@
+boost.context
+=============
+
+boost.context is a foundational library that provides a sort of cooperative multitasking on a single thread.
+By providing an abstraction of the current execution state in the current thread, including the stack (with
+local variables) and stack pointer, all registers and CPU flags, and the instruction pointer, a execution_context
+instance represents a specific point in the application's execution path. This is useful for building
+higher-level abstractions, like coroutines, cooperative threads (userland threads) or an equivalent to
+C# keyword yield in C++.
+
+A fiber provides the means to suspend the current execution path and to transfer execution control,
+thereby permitting another fiber to run on the current thread. This state full transfer mechanism
+enables a fiber to suspend execution from within nested functions and, later, to resume from where it
+was suspended. While the execution path represented by a fiber only runs on a single thread, it can be
+migrated to another thread at any given time.
+
+A context switch between threads requires system calls (involving the OS kernel), which can cost more than
+thousand CPU cycles on x86 CPUs. By contrast, transferring control among fibers requires only fewer than
+hundred CPU cycles because it does not involve system calls as it is done within a single thread.
+
+boost.context requires C++11!
diff --git a/src/boost/libs/context/build/Jamfile.v2 b/src/boost/libs/context/build/Jamfile.v2
new file mode 100644
index 000000000..580aca664
--- /dev/null
+++ b/src/boost/libs/context/build/Jamfile.v2
@@ -0,0 +1,828 @@
+
+# Boost.Context Library Build Jamfile
+
+# Copyright Oliver Kowalke 2009.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+ import ../../config/checks/config : requires ;
+
+feature.feature segmented-stacks : on : optional propagated composite ;
+feature.compose <segmented-stacks>on : <define>BOOST_USE_SEGMENTED_STACKS ;
+
+feature.feature htm : tsx : optional propagated composite ;
+feature.compose <htm>tsx : <define>BOOST_USE_TSX ;
+
+feature.feature valgrind : on : optional propagated composite ;
+feature.compose <valgrind>on : <define>BOOST_USE_VALGRIND ;
+
+project boost/context
+ : requirements
+ <target-os>windows:<define>_WIN32_WINNT=0x0601
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>gcc,<segmented-stacks>on:<linkflags>"-static-libgcc"
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<linkflags>"-static-libgcc"
+ <toolset>intel,<link>shared:<define>BOOST_CONTEXT_EXPORT=EXPORT
+ <toolset>intel,<link>static:<define>BOOST_CONTEXT_EXPORT=
+ <toolset>msvc,<link>shared:<define>BOOST_CONTEXT_EXPORT=EXPORT
+ <toolset>msvc,<link>static:<define>BOOST_CONTEXT_EXPORT=
+ <toolset>clang-win,<link>shared:<define>BOOST_CONTEXT_EXPORT=EXPORT
+ <toolset>clang-win,<link>static:<define>BOOST_CONTEXT_EXPORT=
+ <link>shared:<define>BOOST_CONTEXT_DYN_LINK=1
+ <define>BOOST_CONTEXT_SOURCE
+ <threading>multi
+ : usage-requirements
+ <link>shared:<define>BOOST_CONTEXT_DYN_LINK=1
+ <optimization>speed:<define>BOOST_DISABLE_ASSERTS
+ <variant>release:<define>BOOST_DISABLE_ASSERTS
+ : source-location ../src
+ ;
+
+
+local rule default_binary_format ( )
+{
+ local tmp = elf ;
+ if [ os.name ] = "NT" { tmp = pe ; }
+ else if [ os.name ] = "CYGWIN" { tmp = pe ; }
+ else if [ os.name ] = "AIX" { tmp = xcoff ; }
+ else if [ os.name ] = "MACOSX" { tmp = mach-o ; }
+ return $(tmp) ;
+}
+
+feature.feature binary-format
+ : elf
+ mach-o
+ pe
+ xcoff
+ : propagated
+ ;
+feature.set-default binary-format : [ default_binary_format ] ;
+
+
+local rule default_abi ( )
+{
+ local tmp = sysv ;
+ if [ os.name ] = "NT" { tmp = ms ; }
+ else if [ os.name ] = "CYGWIN" { tmp = ms ; }
+ else if [ os.platform ] = "ARM" { tmp = aapcs ; }
+ else if [ os.platform ] = "MIPS32" { tmp = o32 ; }
+ else if [ os.platform ] = "MIPS64" { tmp = n64 ; }
+ return $(tmp) ;
+}
+
+feature.feature abi
+ : aapcs
+ eabi
+ ms
+ n32
+ n64
+ o32
+ o64
+ sysv
+ x32
+ : propagated
+ ;
+feature.set-default abi : [ default_abi ] ;
+
+
+feature.feature context-impl
+ : fcontext
+ ucontext
+ winfib
+ : propagated
+ composite
+ ;
+feature.set-default context-impl : fcontext ;
+feature.compose <context-impl>ucontext : <define>BOOST_USE_UCONTEXT ;
+feature.compose <context-impl>winfib : <define>BOOST_USE_WINFIB ;
+
+# ARM
+# ARM/AAPCS/ELF
+alias asm_sources
+ : asm/make_arm_aapcs_elf_gas.S
+ asm/jump_arm_aapcs_elf_gas.S
+ asm/ontop_arm_aapcs_elf_gas.S
+ : <abi>aapcs
+ <address-model>32
+ <architecture>arm
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_arm_aapcs_elf_gas.S
+ asm/jump_arm_aapcs_elf_gas.S
+ asm/ontop_arm_aapcs_elf_gas.S
+ : <abi>aapcs
+ <address-model>32
+ <architecture>arm
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_arm_aapcs_elf_gas.S
+ asm/jump_arm_aapcs_elf_gas.S
+ asm/ontop_arm_aapcs_elf_gas.S
+ : <abi>aapcs
+ <address-model>32
+ <architecture>arm
+ <binary-format>elf
+ <toolset>qcc
+ ;
+
+# ARM/AAPCS/MACH-O
+alias asm_sources
+ : asm/make_arm_aapcs_macho_gas.S
+ asm/jump_arm_aapcs_macho_gas.S
+ asm/ontop_arm_aapcs_macho_gas.S
+ : <abi>aapcs
+ <address-model>32
+ <architecture>arm
+ <binary-format>mach-o
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_arm_aapcs_macho_gas.S
+ asm/jump_arm_aapcs_macho_gas.S
+ asm/ontop_arm_aapcs_macho_gas.S
+ : <abi>aapcs
+ <address-model>32
+ <architecture>arm
+ <binary-format>mach-o
+ <toolset>darwin
+ ;
+
+# ARM/AAPCS/PE
+alias asm_sources
+ : asm/make_arm_aapcs_pe_armasm.asm
+ asm/jump_arm_aapcs_pe_armasm.asm
+ asm/ontop_arm_aapcs_pe_armasm.asm
+ untested.cpp
+ : <abi>aapcs
+ <address-model>32
+ <architecture>arm
+ <binary-format>pe
+ <toolset>msvc
+ ;
+
+# ARM64
+# ARM64/AAPCS/ELF
+alias asm_sources
+ : asm/make_arm64_aapcs_elf_gas.S
+ asm/jump_arm64_aapcs_elf_gas.S
+ asm/ontop_arm64_aapcs_elf_gas.S
+ : <abi>aapcs
+ <address-model>64
+ <architecture>arm
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_arm64_aapcs_elf_gas.S
+ asm/jump_arm64_aapcs_elf_gas.S
+ asm/ontop_arm64_aapcs_elf_gas.S
+ : <abi>aapcs
+ <address-model>64
+ <architecture>arm
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+# ARM64/AAPCS/MACH-O
+alias asm_sources
+ : asm/make_arm64_aapcs_macho_gas.S
+ asm/jump_arm64_aapcs_macho_gas.S
+ asm/ontop_arm64_aapcs_macho_gas.S
+ : <abi>aapcs
+ <address-model>64
+ <architecture>arm
+ <binary-format>mach-o
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_arm64_aapcs_macho_gas.S
+ asm/jump_arm64_aapcs_macho_gas.S
+ asm/ontop_arm64_aapcs_macho_gas.S
+ : <abi>aapcs
+ <address-model>64
+ <architecture>arm
+ <binary-format>mach-o
+ <toolset>darwin
+ ;
+
+# MIPS
+# MIPS32/O32/ELF
+alias asm_sources
+ : asm/make_mips32_o32_elf_gas.S
+ asm/jump_mips32_o32_elf_gas.S
+ asm/ontop_mips32_o32_elf_gas.S
+ : <abi>o32
+ <address-model>32
+ <architecture>mips1
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_mips32_o32_elf_gas.S
+ asm/jump_mips32_o32_elf_gas.S
+ asm/ontop_mips32_o32_elf_gas.S
+ : <abi>o32
+ <address-model>32
+ <architecture>mips1
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+# MIPS64/N64/ELF
+alias asm_sources
+ : asm/make_mips64_n64_elf_gas.S
+ asm/jump_mips64_n64_elf_gas.S
+ asm/ontop_mips64_n64_elf_gas.S
+ : <abi>n64
+ <address-model>64
+ <architecture>mips1
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_mips64_n64_elf_gas.S
+ asm/jump_mips64_n64_elf_gas.S
+ asm/ontop_mips64_n64_elf_gas.S
+ : <abi>n64
+ <address-model>64
+ <architecture>mips1
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+# POWERPC_32
+# POWERPC_32/SYSV/ELF
+alias asm_sources
+ : asm/make_ppc32_sysv_elf_gas.S
+ asm/jump_ppc32_sysv_elf_gas.S
+ asm/ontop_ppc32_sysv_elf_gas.S
+ asm/tail_ppc32_sysv_elf_gas.cpp
+ : <abi>sysv
+ <address-model>32
+ <architecture>power
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_ppc32_sysv_elf_gas.S
+ asm/jump_ppc32_sysv_elf_gas.S
+ asm/ontop_ppc32_sysv_elf_gas.S
+ asm/tail_ppc32_sysv_elf_gas.cpp
+ : <abi>sysv
+ <address-model>32
+ <architecture>power
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_ppc32_sysv_macho_gas.S
+ asm/jump_ppc32_sysv_macho_gas.S
+ asm/ontop_ppc32_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>power
+ <binary-format>mach-o
+ <toolset>darwin
+ ;
+
+#POWERPC_32/SYSV/XCOFF
+alias asm_sources
+ : asm/make_ppc32_sysv_xcoff_gas.S
+ asm/jump_ppc32_sysv_xcoff_gas.S
+ asm/ontop_ppc32_sysv_xcoff_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>power
+ <binary-format>xcoff
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_ppc32_sysv_xcoff_gas.S
+ asm/jump_ppc32_sysv_xcoff_gas.S
+ asm/ontop_ppc32_sysv_xcoff_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>power
+ <binary-format>xcoff
+ <toolset>gcc
+ ;
+
+# POWERPC_64
+# POWERPC_64/SYSV/ELF
+alias asm_sources
+ : asm/make_ppc64_sysv_elf_gas.S
+ asm/jump_ppc64_sysv_elf_gas.S
+ asm/ontop_ppc64_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>power
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_ppc64_sysv_elf_gas.S
+ asm/jump_ppc64_sysv_elf_gas.S
+ asm/ontop_ppc64_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>power
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+# POWERPC_64/SYSV/MACH-O
+alias asm_sources
+ : asm/make_ppc64_sysv_macho_gas.S
+ asm/jump_ppc64_sysv_macho_gas.S
+ asm/ontop_ppc64_sysv_macho_gas.S
+ untested.cpp
+ : <abi>sysv
+ <address-model>64
+ <architecture>power
+ <binary-format>mach-o
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_ppc64_sysv_macho_gas.S
+ asm/jump_ppc64_sysv_macho_gas.S
+ asm/ontop_ppc64_sysv_macho_gas.S
+ untested.cpp
+ : <abi>sysv
+ <address-model>64
+ <architecture>power
+ <binary-format>mach-o
+ <toolset>darwin
+ ;
+
+# POWERPC_64/SYSV/XCOFF
+alias asm_sources
+ : asm/make_ppc64_sysv_xcoff_gas.S
+ asm/jump_ppc64_sysv_xcoff_gas.S
+ asm/ontop_ppc64_sysv_xcoff_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>power
+ <binary-format>xcoff
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_ppc64_sysv_xcoff_gas.S
+ asm/jump_ppc64_sysv_xcoff_gas.S
+ asm/ontop_ppc64_sysv_xcoff_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>power
+ <binary-format>xcoff
+ <toolset>gcc
+ ;
+
+# POWERPC universal
+# POWERPC_32_64/SYSV/MACH-O
+alias asm_sources
+ : asm/make_ppc32_ppc64_sysv_macho_gas.S
+ asm/jump_ppc32_ppc64_sysv_macho_gas.S
+ asm/ontop_ppc32_ppc64_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>32_64
+ <architecture>power
+ <binary-format>mach-o
+ ;
+
+# RISCV64
+# RISCV64/SYSV/ELF
+alias asm_sources
+ : asm/make_riscv64_sysv_elf_gas.S
+ asm/jump_riscv64_sysv_elf_gas.S
+ asm/ontop_riscv64_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>riscv
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+# S390X
+# S390X/SYSV/ELF
+alias asm_sources
+ : asm/make_s390x_sysv_elf_gas.S
+ asm/jump_s390x_sysv_elf_gas.S
+ asm/ontop_s390x_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>s390x
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+# X86
+# X86/SYSV/ELF
+alias asm_sources
+ : asm/make_i386_sysv_elf_gas.S
+ asm/jump_i386_sysv_elf_gas.S
+ asm/ontop_i386_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>x86
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_i386_sysv_elf_gas.S
+ asm/jump_i386_sysv_elf_gas.S
+ asm/ontop_i386_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>x86
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_i386_sysv_elf_gas.S
+ asm/jump_i386_sysv_elf_gas.S
+ asm/ontop_i386_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>x86
+ <binary-format>elf
+ <toolset>intel
+ ;
+
+# X86/SYSV/MACH-O
+alias asm_sources
+ : asm/make_i386_sysv_macho_gas.S
+ asm/jump_i386_sysv_macho_gas.S
+ asm/ontop_i386_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>x86
+ <binary-format>mach-o
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_i386_sysv_macho_gas.S
+ asm/jump_i386_sysv_macho_gas.S
+ asm/ontop_i386_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>32
+ <architecture>x86
+ <binary-format>mach-o
+ <toolset>darwin
+ ;
+
+# X86/MS/PE
+alias asm_sources
+ : asm/make_i386_ms_pe_gas.asm
+ asm/jump_i386_ms_pe_gas.asm
+ asm/ontop_i386_ms_pe_gas.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>32
+ <architecture>x86
+ <binary-format>pe
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_i386_ms_pe_masm.asm
+ asm/jump_i386_ms_pe_masm.asm
+ asm/ontop_i386_ms_pe_masm.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>32
+ <architecture>x86
+ <binary-format>pe
+ <toolset>clang-win
+ ;
+
+alias asm_sources
+ : asm/make_i386_ms_pe_gas.asm
+ asm/jump_i386_ms_pe_gas.asm
+ asm/ontop_i386_ms_pe_gas.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>32
+ <architecture>x86
+ <binary-format>pe
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_i386_ms_pe_masm.asm
+ asm/jump_i386_ms_pe_masm.asm
+ asm/ontop_i386_ms_pe_masm.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>32
+ <architecture>x86
+ <binary-format>pe
+ <toolset>intel
+ ;
+
+alias asm_sources
+ : asm/make_i386_ms_pe_masm.asm
+ asm/jump_i386_ms_pe_masm.asm
+ asm/ontop_i386_ms_pe_masm.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>32
+ <architecture>x86
+ <binary-format>pe
+ <toolset>msvc
+ ;
+
+# X86_64
+# X86_64/SYSV/ELF
+alias asm_sources
+ : asm/make_x86_64_sysv_elf_gas.S
+ asm/jump_x86_64_sysv_elf_gas.S
+ asm/ontop_x86_64_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>x86
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_sysv_elf_gas.S
+ asm/jump_x86_64_sysv_elf_gas.S
+ asm/ontop_x86_64_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>x86
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_sysv_elf_gas.S
+ asm/jump_x86_64_sysv_elf_gas.S
+ asm/ontop_x86_64_sysv_elf_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>x86
+ <binary-format>elf
+ <toolset>intel
+ ;
+
+# X86_64/SYSV/MACH-O
+alias asm_sources
+ : asm/make_x86_64_sysv_macho_gas.S
+ asm/jump_x86_64_sysv_macho_gas.S
+ asm/ontop_x86_64_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>x86
+ <binary-format>mach-o
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_sysv_macho_gas.S
+ asm/jump_x86_64_sysv_macho_gas.S
+ asm/ontop_x86_64_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>x86
+ <binary-format>mach-o
+ <toolset>darwin
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_sysv_macho_gas.S
+ asm/jump_x86_64_sysv_macho_gas.S
+ asm/ontop_x86_64_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>64
+ <architecture>x86
+ <binary-format>mach-o
+ <toolset>intel
+ ;
+
+# X86_64/MS/PE
+alias asm_sources
+ : asm/make_x86_64_ms_pe_gas.asm
+ asm/jump_x86_64_ms_pe_gas.asm
+ asm/ontop_x86_64_ms_pe_gas.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>64
+ <architecture>x86
+ <binary-format>pe
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_ms_pe_masm.asm
+ asm/jump_x86_64_ms_pe_masm.asm
+ asm/ontop_x86_64_ms_pe_masm.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>64
+ <architecture>x86
+ <binary-format>pe
+ <toolset>clang-win
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_ms_pe_gas.asm
+ asm/jump_x86_64_ms_pe_gas.asm
+ asm/ontop_x86_64_ms_pe_gas.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>64
+ <architecture>x86
+ <binary-format>pe
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_ms_pe_masm.asm
+ asm/jump_x86_64_ms_pe_masm.asm
+ asm/ontop_x86_64_ms_pe_masm.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>64
+ <architecture>x86
+ <binary-format>pe
+ <toolset>intel
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_ms_pe_masm.asm
+ asm/jump_x86_64_ms_pe_masm.asm
+ asm/ontop_x86_64_ms_pe_masm.asm
+ dummy.cpp
+ : <abi>ms
+ <address-model>64
+ <architecture>x86
+ <binary-format>pe
+ <toolset>msvc
+ ;
+
+# X86_64/SYSV/X32
+alias asm_sources
+ : asm/make_x86_64_sysv_elf_gas.S
+ asm/jump_x86_64_sysv_elf_gas.S
+ asm/ontop_x86_64_sysv_elf_gas.S
+ : <abi>x32
+ <address-model>64
+ <architecture>x86
+ <binary-format>elf
+ <toolset>clang
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_sysv_elf_gas.S
+ asm/jump_x86_64_sysv_elf_gas.S
+ asm/ontop_x86_64_sysv_elf_gas.S
+ : <abi>x32
+ <address-model>64
+ <architecture>x86
+ <binary-format>elf
+ <toolset>gcc
+ ;
+
+alias asm_sources
+ : asm/make_x86_64_sysv_elf_gas.S
+ asm/jump_x86_64_sysv_elf_gas.S
+ asm/ontop_x86_64_sysv_elf_gas.S
+ : <abi>x32
+ <address-model>64
+ <architecture>x86
+ <binary-format>elf
+ <toolset>intel
+ ;
+
+#X86 universal
+alias asm_sources
+ : asm/make_i386_x86_64_sysv_macho_gas.S
+ asm/jump_i386_x86_64_sysv_macho_gas.S
+ asm/ontop_i386_x86_64_sysv_macho_gas.S
+ : <abi>sysv
+ <address-model>32_64
+ <architecture>x86
+ <binary-format>mach-o
+ ;
+
+# COMBINED
+alias asm_sources
+ : asm/make_combined_sysv_macho_gas.S
+ asm/jump_combined_sysv_macho_gas.S
+ asm/ontop_combined_sysv_macho_gas.S
+ : <abi>sysv
+ <architecture>combined
+ <binary-format>mach-o
+ ;
+
+explicit asm_sources ;
+
+
+# fcontext_t
+alias impl_sources
+ : asm_sources
+ : <context-impl>fcontext
+ ;
+
+# ucontext_t
+alias impl_sources
+ : continuation.cpp
+ fiber.cpp
+ : <context-impl>ucontext
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ ;
+
+# WinFiber
+alias impl_sources
+ : continuation.cpp
+ fiber.cpp
+ : <context-impl>winfib
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ ;
+
+explicit impl_sources ;
+
+obj cxx11_hdr_mutex_check : ../build/cxx11_hdr_mutex.cpp ;
+explicit cxx11_hdr_mutex_check ;
+local cxx11_mutex = [ check-target-builds
+ cxx11_hdr_mutex_check "C++11 mutex"
+ :
+ : <library>/boost/thread//boost_thread
+ ] ;
+
+alias stack_traits_sources
+ : windows/stack_traits.cpp
+ : <target-os>windows
+ :
+ : $(cxx11_mutex)
+ ;
+
+alias stack_traits_sources
+ : posix/stack_traits.cpp
+ :
+ :
+ : $(cxx11_mutex)
+ ;
+
+explicit stack_traits_sources ;
+
+lib boost_context
+ : impl_sources
+ stack_traits_sources
+ ;
+
+boost-install boost_context ;
diff --git a/src/boost/libs/context/build/architecture.jam b/src/boost/libs/context/build/architecture.jam
new file mode 100644
index 000000000..e00e61e57
--- /dev/null
+++ b/src/boost/libs/context/build/architecture.jam
@@ -0,0 +1,92 @@
+# architecture.jam
+#
+# Copyright 2012 Steven Watanabe
+#
+# Distributed under the Boost Software License Version 1.0. (See
+# accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import configure ;
+import project ;
+import path ;
+import property ;
+
+local here = [ modules.binding $(__name__) ] ;
+
+project.push-current [ project.current ] ;
+project.load [ path.join [ path.make $(here:D) ] ../config ] ;
+project.pop-current ;
+
+rule deduce-address-model ( properties * )
+{
+ local result = [ property.select <address-model> : $(properties) ] ;
+ if $(result)
+ {
+ return $(result) ;
+ }
+ else
+ {
+ if [ configure.builds /boost/architecture//32 : $(properties) : 32-bit ]
+ {
+ return <address-model>32 ;
+ }
+ else if [ configure.builds /boost/architecture//64 : $(properties) : 64-bit ]
+ {
+ return <address-model>64 ;
+ }
+ }
+}
+
+rule address-model ( )
+{
+ return <conditional>@architecture.deduce-address-model ;
+}
+
+rule deduce-architecture ( properties * )
+{
+ local result = [ property.select <architecture> : $(properties) ] ;
+ if $(result)
+ {
+ return $(result) ;
+ }
+ else
+ {
+ if [ configure.builds /boost/architecture//arm : $(properties) : arm ]
+ {
+ return <architecture>arm ;
+ }
+ else if [ configure.builds /boost/architecture//mips1 : $(properties) : mips1 ]
+ {
+ return <architecture>mips1 ;
+ }
+ else if [ configure.builds /boost/architecture//power : $(properties) : power ]
+ {
+ return <architecture>power ;
+ }
+ else if [ configure.builds /boost/architecture//riscv : $(properties) : riscv ]
+ {
+ return <architecture>riscv ;
+ }
+ else if [ configure.builds /boost/architecture//s390x : $(properties) : s390x ]
+ {
+ return <architecture>s390x ;
+ }
+ else if [ configure.builds /boost/architecture//sparc : $(properties) : sparc ]
+ {
+ return <architecture>sparc ;
+ }
+ else if [ configure.builds /boost/architecture//x86 : $(properties) : x86 ]
+ {
+ return <architecture>x86 ;
+ }
+ else if [ configure.builds /boost/architecture//combined : $(properties) : combined ]
+ {
+ return <architecture>combined ;
+ }
+ }
+}
+
+rule architecture ( )
+{
+ return <conditional>@architecture.deduce-architecture ;
+}
diff --git a/src/boost/libs/context/build/cxx11_hdr_mutex.cpp b/src/boost/libs/context/build/cxx11_hdr_mutex.cpp
new file mode 100644
index 000000000..d16a7a152
--- /dev/null
+++ b/src/boost/libs/context/build/cxx11_hdr_mutex.cpp
@@ -0,0 +1,10 @@
+// Copyright Kohei Takahashi 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_NO_CXX11_HDR_MUTEX
+#error "C++11 <mutex> is not available."
+#endif
diff --git a/src/boost/libs/context/example/callcc/Jamfile.v2 b/src/boost/libs/context/example/callcc/Jamfile.v2
new file mode 100644
index 000000000..f6bf50443
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/Jamfile.v2
@@ -0,0 +1,79 @@
+# Boost.Context Library Examples Jamfile
+
+# Copyright Oliver Kowalke 2014.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# For more information, see http://www.boost.org/
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+import architecture ;
+
+project boost/context/example/callcc
+ : requirements
+ <library>/boost/context//boost_context
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <link>static
+ <threading>multi
+ ;
+
+exe stack
+ : stack.cpp
+ ;
+
+exe jump_void
+ : jump_void.cpp
+ ;
+
+exe jump
+ : jump.cpp
+ ;
+
+exe jump_mov
+ : jump_mov.cpp
+ ;
+
+exe ontop_void
+ : ontop_void.cpp
+ ;
+
+exe throw
+ : throw.cpp
+ ;
+
+exe fibonacci
+ : fibonacci.cpp
+ ;
+
+exe parser
+ : parser.cpp
+ ;
+
+exe ontop
+ : ontop.cpp
+ ;
+
+exe endless_loop
+ : endless_loop.cpp
+ ;
+
+exe segmented
+ : segmented.cpp
+ ;
+
+#exe backtrace
+# : backtrace.cpp
+# ;
+
+#exe echosse
+# : echosse.cpp
+# ;
diff --git a/src/boost/libs/context/example/callcc/backtrace.cpp b/src/boost/libs/context/example/callcc/backtrace.cpp
new file mode 100644
index 000000000..43acc5730
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/backtrace.cpp
@@ -0,0 +1,57 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#define UNW_LOCAL_ONLY
+
+#include <cstdlib>
+#include <iostream>
+
+#include <libunwind.h>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+void backtrace() {
+ unw_cursor_t cursor;
+ unw_context_t context;
+ unw_getcontext( & context);
+ unw_init_local( & cursor, & context);
+ while ( 0 < unw_step( & cursor) ) {
+ unw_word_t offset, pc;
+ unw_get_reg( & cursor, UNW_REG_IP, & pc);
+ if ( 0 == pc) {
+ break;
+ }
+ std::cout << "0x" << pc << ":";
+
+ char sym[256];
+ if ( 0 == unw_get_proc_name( & cursor, sym, sizeof( sym), & offset) ) {
+ std::cout << " (" << sym << "+0x" << offset << ")" << std::endl;
+ } else {
+ std::cout << " -- error: unable to obtain symbol name for this frame" << std::endl;
+ }
+ }
+}
+
+void bar() {
+ backtrace();
+}
+
+void foo() {
+ bar();
+}
+
+ctx::continuation f1( ctx::continuation && c) {
+ foo();
+ return std::move( c);
+}
+
+int main() {
+ ctx::callcc( f1);
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/circle.cpp b/src/boost/libs/context/example/callcc/circle.cpp
new file mode 100644
index 000000000..4dd403614
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/circle.cpp
@@ -0,0 +1,44 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <list>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ ctx::fiber f1, f2, f3;
+ f3 = ctx::fiber{[&](ctx::fiber && f)->ctx::fiber{
+ f2 = std::move( f);
+ for (;;) {
+ std::cout << "f3\n";
+ f2 = f1.resume();
+ }
+ return {};
+ }};
+ f2 = ctx::fiber{[&](ctx::fiber && f)->ctx::fiber{
+ f1 = std::move( f);
+ for (;;) {
+ std::cout << "f2\n";
+ f1 = f3.resume();
+ }
+ return {};
+ }};
+ f1 = ctx::fiber{[&](ctx::fiber && /*main*/)->ctx::fiber{
+ for (;;) {
+ std::cout << "f1\n";
+ f3 = f2.resume();
+ }
+ return {};
+ }};
+ f1.resume();
+
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/echosse.cpp b/src/boost/libs/context/example/callcc/echosse.cpp
new file mode 100644
index 000000000..4b76ffc5d
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/echosse.cpp
@@ -0,0 +1,46 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <emmintrin.h>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+void echoSSE( int i) {
+ __m128i xmm;
+ xmm = _mm_set_epi32( i, i + 1, i + 2, i + 3);
+ uint32_t v32[4];
+ memcpy( & v32, & xmm, 16);
+ std::cout << v32[0];
+ std::cout << v32[1];
+ std::cout << v32[2];
+ std::cout << v32[3];
+}
+
+
+int main( int argc, char * argv[]) {
+ int i = 0;
+ ctx::continuation c = ctx::callcc(
+ [&i](ctx::continuation && c) {
+ for (;;) {
+ std::cout << i;
+ echoSSE( i);
+ std::cout << " ";
+ c = c.resume();
+ }
+ return std::move( c);
+ });
+ for (; i < 10; ++i) {
+ c = c.resume();
+ }
+ std::cout << "\nmain: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/endless_loop.cpp b/src/boost/libs/context/example/callcc/endless_loop.cpp
new file mode 100644
index 000000000..318bb88db
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/endless_loop.cpp
@@ -0,0 +1,28 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+ctx::continuation foo( ctx::continuation && c) {
+ do {
+ std::cout << "foo\n";
+ } while ( ( c = c.resume() ) );
+ return std::move( c);
+}
+
+int main() {
+ ctx::continuation c = ctx::callcc( foo);
+ do {
+ std::cout << "bar\n";
+ } while ( ( c = c.resume() ) );
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/fibonacci.cpp b/src/boost/libs/context/example/callcc/fibonacci.cpp
new file mode 100644
index 000000000..170b9f274
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/fibonacci.cpp
@@ -0,0 +1,36 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ int a;
+ ctx::continuation c=ctx::callcc(
+ [&a](ctx::continuation && c){
+ a=0;
+ int b=1;
+ for(;;){
+ c=c.resume();
+ int next=a+b;
+ a=b;
+ b=next;
+ }
+ return std::move( c);
+ });
+ for ( int j = 0; j < 10; ++j) {
+ std::cout << a << " ";
+ c=c.resume();
+ }
+ std::cout << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/jump.cpp b/src/boost/libs/context/example/callcc/jump.cpp
new file mode 100644
index 000000000..ab5d6b739
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/jump.cpp
@@ -0,0 +1,35 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ ctx::continuation c;
+ int data = 1;
+ c = ctx::callcc(
+ [&data](ctx::continuation && c){
+ std::cout << "entered first time: " << data << std::endl;
+ data += 2;
+ c = c.resume();
+ std::cout << "entered second time: " << data << std::endl;
+ return std::move( c);
+ });
+ std::cout << "returned first time: " << data << std::endl;
+ data += 2;
+ c = c.resume();
+ if ( c) {
+ std::cout << "returned second time: " << data << std::endl;
+ } else {
+ std::cout << "returned second time: execution context terminated" << std::endl;
+ }
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/jump_mov.cpp b/src/boost/libs/context/example/callcc/jump_mov.cpp
new file mode 100644
index 000000000..1f522eff6
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/jump_mov.cpp
@@ -0,0 +1,59 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+class moveable {
+public:
+ int value;
+
+ moveable() :
+ value( -1) {
+ }
+
+ moveable( int v) :
+ value( v) {
+ }
+
+ moveable( moveable && other) {
+ std::swap( value, other.value);
+ }
+
+ moveable & operator=( moveable && other) {
+ if ( this == & other) return * this;
+ value = other.value;
+ other.value = -1;
+ return * this;
+ }
+
+ moveable( moveable const& other) = delete;
+ moveable & operator=( moveable const& other) = delete;
+};
+
+int main() {
+ ctx::continuation c;
+ moveable data{ 1 };
+ c = ctx::callcc( std::allocator_arg, ctx::fixedsize_stack{},
+ [&data](ctx::continuation && c){
+ std::cout << "entered first time: " << data.value << std::endl;
+ data = std::move( moveable{ 3 });
+ c = c.resume();
+ std::cout << "entered second time: " << data.value << std::endl;
+ data = std::move( moveable{});
+ return std::move( c);
+ });
+ std::cout << "returned first time: " << data.value << std::endl;
+ data.value = 5;
+ c = c.resume();
+ std::cout << "returned second time: " << data.value << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/jump_void.cpp b/src/boost/libs/context/example/callcc/jump_void.cpp
new file mode 100644
index 000000000..7cb5d41e0
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/jump_void.cpp
@@ -0,0 +1,28 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+ctx::continuation f1( ctx::continuation && c) {
+ std::cout << "f1: entered first time" << std::endl;
+ c = c.resume();
+ std::cout << "f1: entered second time" << std::endl;
+ return std::move( c);
+}
+
+int main() {
+ ctx::continuation c = ctx::callcc( f1);
+ std::cout << "f1: returned first time" << std::endl;
+ c = c.resume();
+ std::cout << "f1: returned second time" << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/ontop.cpp b/src/boost/libs/context/example/callcc/ontop.cpp
new file mode 100644
index 000000000..d59fde8a4
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/ontop.cpp
@@ -0,0 +1,40 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <tuple>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ int data = 0;
+ ctx::continuation c = ctx::callcc( [&data](ctx::continuation && c) {
+ std::cout << "f1: entered first time: " << data << std::endl;
+ data += 1;
+ c = c.resume();
+ std::cout << "f1: entered second time: " << data << std::endl;
+ data += 1;
+ c = c.resume();
+ std::cout << "f1: entered third time: " << data << std::endl;
+ return std::move( c);
+ });
+ std::cout << "f1: returned first time: " << data << std::endl;
+ data += 1;
+ c = c.resume();
+ std::cout << "f1: returned second time: " << data << std::endl;
+ data += 1;
+ c = c.resume_with( [&data](ctx::continuation && c){
+ std::cout << "f2: entered: " << data << std::endl;
+ data = -1;
+ return std::move( c);
+ });
+ std::cout << "f1: returned third time" << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/ontop_void.cpp b/src/boost/libs/context/example/callcc/ontop_void.cpp
new file mode 100644
index 000000000..fdc9827b2
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/ontop_void.cpp
@@ -0,0 +1,40 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <tuple>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+ctx::continuation f1( ctx::continuation && c) {
+ std::cout << "f1: entered first time" << std::endl;
+ c = c.resume();
+ std::cout << "f1: entered second time" << std::endl;
+ c = c.resume();
+ std::cout << "f1: entered third time" << std::endl;
+ return std::move( c);
+}
+
+ctx::continuation f2( ctx::continuation && c) {
+ std::cout << "f2: entered" << std::endl;
+ return std::move( c);
+}
+
+int main() {
+ ctx::continuation c = ctx::callcc( f1);
+ std::cout << "f1: returned first time" << std::endl;
+ c = c.resume();
+ std::cout << "f1: returned second time" << std::endl;
+ c = c.resume_with( f2);
+ std::cout << "f1: returned third time" << std::endl;
+
+ std::cout << "main: done" << std::endl;
+
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/parser.cpp b/src/boost/libs/context/example/callcc/parser.cpp
new file mode 100644
index 000000000..b1744f02c
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/parser.cpp
@@ -0,0 +1,128 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdio>
+#include <cstdlib>
+#include <exception>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+/*
+ * grammar:
+ * P ---> E '\0'
+ * E ---> T {('+'|'-') T}
+ * T ---> S {('*'|'/') S}
+ * S ---> digit | '(' E ')'
+ */
+class Parser{
+ char next;
+ std::istream& is;
+ std::function<void(char)> cb;
+
+ char pull(){
+ return std::char_traits<char>::to_char_type(is.get());
+ }
+
+ void scan(){
+ do{
+ next=pull();
+ }
+ while(isspace(next));
+ }
+
+public:
+ Parser(std::istream& is_,std::function<void(char)> cb_) :
+ next(), is(is_), cb(cb_)
+ {}
+
+ void run() {
+ scan();
+ E();
+ }
+
+private:
+ void E(){
+ T();
+ while (next=='+'||next=='-'){
+ cb(next);
+ scan();
+ T();
+ }
+ }
+
+ void T(){
+ S();
+ while (next=='*'||next=='/'){
+ cb(next);
+ scan();
+ S();
+ }
+ }
+
+ void S(){
+ if (isdigit(next)){
+ cb(next);
+ scan();
+ }
+ else if(next=='('){
+ cb(next);
+ scan();
+ E();
+ if (next==')'){
+ cb(next);
+ scan();
+ }else{
+ throw std::runtime_error("parsing failed");
+ }
+ }
+ else{
+ throw std::runtime_error("parsing failed");
+ }
+ }
+};
+
+int main() {
+ try {
+ std::istringstream is("1+1");
+ // execute parser in new execution context
+ ctx::continuation source;
+ // user-code pulls parsed data from parser
+ // invert control flow
+ char c;
+ bool done = false;
+ source=ctx::callcc(
+ [&is,&c,&done](ctx::continuation && sink){
+ // create parser with callback function
+ Parser p( is,
+ [&sink,&c](char c_){
+ // resume main execution context
+ c = c_;
+ sink=sink.resume();
+ });
+ // start recursive parsing
+ p.run();
+ // signal termination
+ done = true;
+ // resume main execution context
+ return std::move(sink);
+ });
+ while(!done){
+ printf("Parsed: %c\n",c);
+ source=source.resume();
+ }
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+ } catch (std::exception const& e) {
+ std::cerr << "exception: " << e.what() << std::endl;
+ }
+ return EXIT_FAILURE;
+}
diff --git a/src/boost/libs/context/example/callcc/segmented.cpp b/src/boost/libs/context/example/callcc/segmented.cpp
new file mode 100644
index 000000000..c70de99c3
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/segmented.cpp
@@ -0,0 +1,51 @@
+
+// Copyright Oliver Kowalke 2014.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+#ifdef BOOST_MSVC //MS VisualStudio
+__declspec(noinline) void access( char *buf);
+#else // GCC
+void access( char *buf) __attribute__ ((noinline));
+#endif
+void access( char *buf) {
+ buf[0] = '\0';
+}
+
+void bar( int i) {
+ char buf[4 * 1024];
+ if ( i > 0) {
+ access( buf);
+ std::cout << i << ". iteration" << std::endl;
+ bar( i - 1);
+ }
+}
+
+int main() {
+ int count = 100*1024;
+#if defined(BOOST_USE_SEGMENTED_STACKS)
+ std::cout << "using segmented_stack stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, ";
+ std::cout << "initial stack size = " << ctx::segmented_stack::traits_type::default_size() / 1024 << "kB" << std::endl;
+ std::cout << "application should not fail" << std::endl;
+#else
+ std::cout << "using standard stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, ";
+ std::cout << "initial stack size = " << ctx::fixedsize_stack::traits_type::default_size() / 1024 << "kB" << std::endl;
+ std::cout << "application might fail" << std::endl;
+#endif
+ ctx::continuation c = ctx::callcc(
+ [count](ctx::continuation && c){
+ bar( count);
+ return std::move( c);
+ });
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/stack.cpp b/src/boost/libs/context/example/callcc/stack.cpp
new file mode 100644
index 000000000..887932650
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/stack.cpp
@@ -0,0 +1,25 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ std::cout << "minimum stack size: " << ctx::stack_traits::minimum_size() << " byte\n";
+ std::cout << "default stack size: " << ctx::stack_traits::default_size() << " byte\n";
+ std::cout << "maximum stack size: ";
+ if ( ctx::stack_traits::is_unbounded() ) {
+ std::cout << "unlimited\n";
+ } else {
+ std::cout << ctx::stack_traits::maximum_size() << " byte\n";
+ }
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/callcc/throw.cpp b/src/boost/libs/context/example/callcc/throw.cpp
new file mode 100644
index 000000000..723a956b6
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/throw.cpp
@@ -0,0 +1,47 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <exception>
+#include <iostream>
+#include <stdexcept>
+#include <string>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+struct my_exception : public std::runtime_error {
+ ctx::continuation c;
+ my_exception( ctx::continuation && c_, std::string const& what) :
+ std::runtime_error{ what },
+ c{ std::move( c_) } {
+ }
+};
+
+int main() {
+ ctx::continuation c = ctx::callcc([](ctx::continuation && c) {
+ for (;;) {
+ try {
+ std::cout << "entered" << std::endl;
+ c = c.resume();
+ } catch ( my_exception & ex) {
+ std::cerr << "my_exception: " << ex.what() << std::endl;
+ return std::move( ex.c);
+ }
+ }
+ return std::move( c);
+ });
+ c = c.resume_with(
+ [](ctx::continuation && c){
+ throw my_exception(std::move( c), "abc");
+ return std::move( c);
+ });
+
+ std::cout << "main: done" << std::endl;
+
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/Jamfile.v2 b/src/boost/libs/context/example/fiber/Jamfile.v2
new file mode 100644
index 000000000..e827eff6b
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/Jamfile.v2
@@ -0,0 +1,83 @@
+# Boost.Context Library Examples Jamfile
+
+# Copyright Oliver Kowalke 2014.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# For more information, see http://www.boost.org/
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+import architecture ;
+
+project boost/context/example/fiber
+ : requirements
+ <library>/boost/context//boost_context
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <link>static
+ <threading>multi
+ ;
+
+exe stack
+ : stack.cpp
+ ;
+
+exe jump_void
+ : jump_void.cpp
+ ;
+
+exe jump
+ : jump.cpp
+ ;
+
+exe jump_mov
+ : jump_mov.cpp
+ ;
+
+exe ontop_void
+ : ontop_void.cpp
+ ;
+
+exe throw
+ : throw.cpp
+ ;
+
+exe fibonacci
+ : fibonacci.cpp
+ ;
+
+exe parser
+ : parser.cpp
+ ;
+
+exe ontop
+ : ontop.cpp
+ ;
+
+exe endless_loop
+ : endless_loop.cpp
+ ;
+
+exe segmented
+ : segmented.cpp
+ ;
+
+exe circle
+ : circle.cpp
+ ;
+
+#exe backtrace
+# : backtrace.cpp
+# ;
+
+#exe echosse
+# : echosse.cpp
+# ;
diff --git a/src/boost/libs/context/example/fiber/backtrace.cpp b/src/boost/libs/context/example/fiber/backtrace.cpp
new file mode 100644
index 000000000..42c739bba
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/backtrace.cpp
@@ -0,0 +1,57 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#define UNW_LOCAL_ONLY
+
+#include <cstdlib>
+#include <iostream>
+
+#include <libunwind.h>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+void backtrace() {
+ unw_cursor_t cursor;
+ unw_context_t context;
+ unw_getcontext( & context);
+ unw_init_local( & cursor, & context);
+ while ( 0 < unw_step( & cursor) ) {
+ unw_word_t offset, pc;
+ unw_get_reg( & cursor, UNW_REG_IP, & pc);
+ if ( 0 == pc) {
+ break;
+ }
+ std::cout << "0x" << pc << ":";
+
+ char sym[256];
+ if ( 0 == unw_get_proc_name( & cursor, sym, sizeof( sym), & offset) ) {
+ std::cout << " (" << sym << "+0x" << offset << ")" << std::endl;
+ } else {
+ std::cout << " -- error: unable to obtain symbol name for this frame" << std::endl;
+ }
+ }
+}
+
+void bar() {
+ backtrace();
+}
+
+void foo() {
+ bar();
+}
+
+ctx::fiber f1( ctx::fiber && c) {
+ foo();
+ return std::move( c);
+}
+
+int main() {
+ ctx::fiber{ f1 }.resume();
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/circle.cpp b/src/boost/libs/context/example/fiber/circle.cpp
new file mode 100644
index 000000000..ed1cba63a
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/circle.cpp
@@ -0,0 +1,44 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <list>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ ctx::fiber f1, f2, f3;
+ f3 = ctx::fiber{[&](ctx::fiber && f)->ctx::fiber{
+ f2 = std::move( f);
+ for (;;) {
+ std::cout << "f3\n";
+ f2 = std::move( f1).resume();
+ }
+ return {};
+ }};
+ f2 = ctx::fiber{[&](ctx::fiber && f)->ctx::fiber{
+ f1 = std::move( f);
+ for (;;) {
+ std::cout << "f2\n";
+ f1 = std::move( f3).resume();
+ }
+ return {};
+ }};
+ f1 = ctx::fiber{[&](ctx::fiber && /*main*/)->ctx::fiber{
+ for (;;) {
+ std::cout << "f1\n";
+ f3 = std::move( f2).resume();
+ }
+ return {};
+ }};
+ std::move( f1).resume();
+
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/echosse.cpp b/src/boost/libs/context/example/fiber/echosse.cpp
new file mode 100644
index 000000000..e4f6debae
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/echosse.cpp
@@ -0,0 +1,46 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <emmintrin.h>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+void echoSSE( int i) {
+ __m128i xmm;
+ xmm = _mm_set_epi32( i, i + 1, i + 2, i + 3);
+ uint32_t v32[4];
+ memcpy( & v32, & xmm, 16);
+ std::cout << v32[0];
+ std::cout << v32[1];
+ std::cout << v32[2];
+ std::cout << v32[3];
+}
+
+
+int main( int argc, char * argv[]) {
+ int i = 0;
+ ctx::fiber f{
+ [&i](ctx::fiber && f) {
+ for (;;) {
+ std::cout << i;
+ echoSSE( i);
+ std::cout << " ";
+ f = std::move( f).resume();
+ }
+ return std::move( f);
+ }};
+ for (; i < 11; ++i) {
+ f = std::move( f).resume();
+ }
+ std::cout << "\nmain: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/endless_loop.cpp b/src/boost/libs/context/example/fiber/endless_loop.cpp
new file mode 100644
index 000000000..0ce434dd7
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/endless_loop.cpp
@@ -0,0 +1,30 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+ctx::fiber bar( ctx::fiber && f) {
+ do {
+ std::cout << "bar\n";
+ f = std::move( f).resume();
+ } while ( f);
+ return std::move( f);
+}
+
+int main() {
+ ctx::fiber f{ bar };
+ do {
+ std::cout << "foo\n";
+ f = std::move( f).resume();
+ } while ( f);
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/fibonacci.cpp b/src/boost/libs/context/example/fiber/fibonacci.cpp
new file mode 100644
index 000000000..a664c6f46
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/fibonacci.cpp
@@ -0,0 +1,36 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ int a;
+ ctx::fiber f{
+ [&a](ctx::fiber && f){
+ a=0;
+ int b=1;
+ for(;;){
+ f = std::move( f).resume();
+ int next=a+b;
+ a=b;
+ b=next;
+ }
+ return std::move( f);
+ }};
+ for ( int j = 0; j < 10; ++j) {
+ f = std::move( f).resume();
+ std::cout << a << " ";
+ }
+ std::cout << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/jump.cpp b/src/boost/libs/context/example/fiber/jump.cpp
new file mode 100644
index 000000000..59b592c15
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/jump.cpp
@@ -0,0 +1,35 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ int data = 1;
+ ctx::fiber f{
+ [&data](ctx::fiber && f){
+ std::cout << "entered first time: " << data << std::endl;
+ data += 2;
+ f = std::move( f).resume();
+ std::cout << "entered second time: " << data << std::endl;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ std::cout << "returned first time: " << data << std::endl;
+ data += 2;
+ f = std::move( f).resume();
+ if ( f) {
+ std::cout << "returned second time: " << data << std::endl;
+ } else {
+ std::cout << "returned second time: execution context terminated" << std::endl;
+ }
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/jump_mov.cpp b/src/boost/libs/context/example/fiber/jump_mov.cpp
new file mode 100644
index 000000000..fc9bc4fe1
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/jump_mov.cpp
@@ -0,0 +1,59 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+class moveable {
+public:
+ int value;
+
+ moveable() :
+ value( -1) {
+ }
+
+ moveable( int v) :
+ value( v) {
+ }
+
+ moveable( moveable && other) {
+ std::swap( value, other.value);
+ }
+
+ moveable & operator=( moveable && other) {
+ if ( this == & other) return * this;
+ value = other.value;
+ other.value = -1;
+ return * this;
+ }
+
+ moveable( moveable const& other) = delete;
+ moveable & operator=( moveable const& other) = delete;
+};
+
+int main() {
+ moveable data{ 1 };
+ ctx::fiber f{ std::allocator_arg, ctx::fixedsize_stack{},
+ [&data](ctx::fiber && f){
+ std::cout << "entered first time: " << data.value << std::endl;
+ data = std::move( moveable{ 3 });
+ f = std::move( f).resume();
+ std::cout << "entered second time: " << data.value << std::endl;
+ data = std::move( moveable{});
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ std::cout << "returned first time: " << data.value << std::endl;
+ data.value = 5;
+ f = std::move( f).resume();
+ std::cout << "returned second time: " << data.value << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/jump_void.cpp b/src/boost/libs/context/example/fiber/jump_void.cpp
new file mode 100644
index 000000000..b4e9f39e8
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/jump_void.cpp
@@ -0,0 +1,29 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+ctx::fiber f1( ctx::fiber && f) {
+ std::cout << "f1: entered first time" << std::endl;
+ f = std::move( f).resume();
+ std::cout << "f1: entered second time" << std::endl;
+ return std::move( f);
+}
+
+int main() {
+ ctx::fiber f{ f1 };
+ f = std::move( f).resume();
+ std::cout << "f1: returned first time" << std::endl;
+ f = std::move( f).resume();
+ std::cout << "f1: returned second time" << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/ontop.cpp b/src/boost/libs/context/example/fiber/ontop.cpp
new file mode 100644
index 000000000..9e4a1f40b
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/ontop.cpp
@@ -0,0 +1,41 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <tuple>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ int data = 0;
+ ctx::fiber f{ [&data](ctx::fiber && f) {
+ std::cout << "f1: entered first time: " << data << std::endl;
+ data += 1;
+ f = std::move( f).resume();
+ std::cout << "f1: entered second time: " << data << std::endl;
+ data += 1;
+ f = std::move( f).resume();
+ std::cout << "f1: entered third time: " << data << std::endl;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ std::cout << "f1: returned first time: " << data << std::endl;
+ data += 1;
+ f = std::move( f).resume();
+ std::cout << "f1: returned second time: " << data << std::endl;
+ data += 1;
+ f = std::move( f).resume_with([&data](ctx::fiber && f){
+ std::cout << "f2: entered: " << data << std::endl;
+ data = -1;
+ return std::move( f);
+ });
+ std::cout << "f1: returned third time" << std::endl;
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/ontop_void.cpp b/src/boost/libs/context/example/fiber/ontop_void.cpp
new file mode 100644
index 000000000..b43cd2d78
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/ontop_void.cpp
@@ -0,0 +1,41 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <tuple>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+ctx::fiber f1( ctx::fiber && f) {
+ std::cout << "f1: entered first time" << std::endl;
+ f = std::move( f).resume();
+ std::cout << "f1: entered second time" << std::endl;
+ f = std::move( f).resume();
+ std::cout << "f1: entered third time" << std::endl;
+ return std::move( f);
+}
+
+ctx::fiber f2( ctx::fiber && f) {
+ std::cout << "f2: entered" << std::endl;
+ return std::move( f);
+}
+
+int main() {
+ ctx::fiber f{ f1 };
+ f = std::move( f).resume();
+ std::cout << "f1: returned first time" << std::endl;
+ f = std::move( f).resume();
+ std::cout << "f1: returned second time" << std::endl;
+ f = std::move( f).resume_with( f2);
+ std::cout << "f1: returned third time" << std::endl;
+
+ std::cout << "main: done" << std::endl;
+
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/parser.cpp b/src/boost/libs/context/example/fiber/parser.cpp
new file mode 100644
index 000000000..fb1121b5c
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/parser.cpp
@@ -0,0 +1,127 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdio>
+#include <cstdlib>
+#include <exception>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+/*
+ * grammar:
+ * P ---> E '\0'
+ * E ---> T {('+'|'-') T}
+ * T ---> S {('*'|'/') S}
+ * S ---> digit | '(' E ')'
+ */
+class Parser{
+ char next;
+ std::istream& is;
+ std::function<void(char)> cb;
+
+ char pull(){
+ return std::char_traits<char>::to_char_type(is.get());
+ }
+
+ void scan(){
+ do{
+ next=pull();
+ }
+ while(isspace(next));
+ }
+
+public:
+ Parser(std::istream& is_,std::function<void(char)> cb_) :
+ next(), is(is_), cb(cb_)
+ {}
+
+ void run() {
+ scan();
+ E();
+ }
+
+private:
+ void E(){
+ T();
+ while (next=='+'||next=='-'){
+ cb(next);
+ scan();
+ T();
+ }
+ }
+
+ void T(){
+ S();
+ while (next=='*'||next=='/'){
+ cb(next);
+ scan();
+ S();
+ }
+ }
+
+ void S(){
+ if (isdigit(next)){
+ cb(next);
+ scan();
+ }
+ else if(next=='('){
+ cb(next);
+ scan();
+ E();
+ if (next==')'){
+ cb(next);
+ scan();
+ }else{
+ throw std::runtime_error("parsing failed");
+ }
+ }
+ else{
+ throw std::runtime_error("parsing failed");
+ }
+ }
+};
+
+int main() {
+ try {
+ std::istringstream is("1+1");
+ // user-code pulls parsed data from parser
+ // invert control flow
+ char c;
+ bool done = false;
+ // execute parser in new execution context
+ ctx::fiber source{[&is,&c,&done](ctx::fiber && sink){
+ // create parser with callback function
+ Parser p( is,
+ [&sink,&c](char c_){
+ // resume main execution context
+ c = c_;
+ sink = std::move( sink).resume();
+ });
+ // start recursive parsing
+ p.run();
+ // signal termination
+ done = true;
+ // resume main execution context
+ return std::move(sink);
+ }};
+ source = std::move( source).resume();
+ while(!done){
+ printf("Parsed: %c\n",c);
+ source = std::move( source).resume();
+ }
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+ } catch (std::exception const& e) {
+ std::cerr << "exception: " << e.what() << std::endl;
+ }
+ return EXIT_FAILURE;
+}
diff --git a/src/boost/libs/context/example/fiber/segmented.cpp b/src/boost/libs/context/example/fiber/segmented.cpp
new file mode 100644
index 000000000..3d1a5c344
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/segmented.cpp
@@ -0,0 +1,51 @@
+
+// Copyright Oliver Kowalke 2014.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+#ifdef BOOST_MSVC //MS VisualStudio
+__declspec(noinline) void access( char *buf);
+#else // GCC
+void access( char *buf) __attribute__ ((noinline));
+#endif
+void access( char *buf) {
+ buf[0] = '\0';
+}
+
+void bar( int i) {
+ char buf[4 * 1024];
+ if ( i > 0) {
+ access( buf);
+ std::cout << i << ". iteration" << std::endl;
+ bar( i - 1);
+ }
+}
+
+int main() {
+ int count = 100*1024;
+#if defined(BOOST_USE_SEGMENTED_STACKS)
+ std::cout << "using segmented_stack stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, ";
+ std::cout << "initial stack size = " << ctx::segmented_stack::traits_type::default_size() / 1024 << "kB" << std::endl;
+ std::cout << "application should not fail" << std::endl;
+#else
+ std::cout << "using standard stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, ";
+ std::cout << "initial stack size = " << ctx::fixedsize_stack::traits_type::default_size() / 1024 << "kB" << std::endl;
+ std::cout << "application might fail" << std::endl;
+#endif
+ ctx::fiber{
+ [count](ctx::fiber && f){
+ bar( count);
+ return std::move( f);
+ }}.resume();
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/stack.cpp b/src/boost/libs/context/example/fiber/stack.cpp
new file mode 100644
index 000000000..887932650
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/stack.cpp
@@ -0,0 +1,25 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+ std::cout << "minimum stack size: " << ctx::stack_traits::minimum_size() << " byte\n";
+ std::cout << "default stack size: " << ctx::stack_traits::default_size() << " byte\n";
+ std::cout << "maximum stack size: ";
+ if ( ctx::stack_traits::is_unbounded() ) {
+ std::cout << "unlimited\n";
+ } else {
+ std::cout << ctx::stack_traits::maximum_size() << " byte\n";
+ }
+ std::cout << "main: done" << std::endl;
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/example/fiber/throw.cpp b/src/boost/libs/context/example/fiber/throw.cpp
new file mode 100644
index 000000000..e5f1d6f65
--- /dev/null
+++ b/src/boost/libs/context/example/fiber/throw.cpp
@@ -0,0 +1,45 @@
+
+// Copyright Oliver Kowalke 2016.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <exception>
+#include <iostream>
+#include <stdexcept>
+#include <string>
+
+#include <boost/context/fiber.hpp>
+
+namespace ctx = boost::context;
+
+struct my_exception : public std::runtime_error {
+ ctx::fiber f;
+ my_exception( ctx::fiber && f_, std::string const& what) :
+ std::runtime_error{ what },
+ f{ std::move( f_) } {
+ }
+};
+
+int main() {
+ ctx::fiber f{[](ctx::fiber && f) ->ctx::fiber {
+ std::cout << "entered" << std::endl;
+ try {
+ f = std::move( f).resume();
+ } catch ( my_exception & ex) {
+ std::cerr << "my_exception: " << ex.what() << std::endl;
+ return std::move( ex.f);
+ }
+ return {};
+ }};
+ f = std::move( f).resume();
+ f = std::move( f).resume_with([](ctx::fiber && f) ->ctx::fiber {
+ throw my_exception(std::move( f), "abc");
+ return {};
+ });
+
+ std::cout << "main: done" << std::endl;
+
+ return EXIT_SUCCESS;
+}
diff --git a/src/boost/libs/context/index.html b/src/boost/libs/context/index.html
new file mode 100644
index 000000000..0ade6cbd2
--- /dev/null
+++ b/src/boost/libs/context/index.html
@@ -0,0 +1,14 @@
+<html>
+<head>
+<meta http-equiv="refresh" content="0; URL=doc/html/index.html">
+</head>
+<body>
+Automatic redirection failed, please go to
+<a href="doc/html/index.html">doc/html/index.html</a>
+<hr>
+<p>&copy; Copyright Beman Dawes, 2001</p>
+<p> Distributed under the Boost Software
+License, Version 1.0. (See accompanying file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">
+www.boost.org/LICENSE_1_0.txt</a>)</p>
+</body>
+</html>
diff --git a/src/boost/libs/context/meta/libraries.json b/src/boost/libs/context/meta/libraries.json
new file mode 100644
index 000000000..ca468790e
--- /dev/null
+++ b/src/boost/libs/context/meta/libraries.json
@@ -0,0 +1,15 @@
+{
+ "key": "context",
+ "name": "Context",
+ "authors": [
+ "Oliver Kowalke"
+ ],
+ "description": "(C++11) Context switching library.",
+ "category": [
+ "Concurrent",
+ "System"
+ ],
+ "maintainers": [
+ "Oliver Kowalke <oliver.kowalke -at- gmail.com>"
+ ]
+}
diff --git a/src/boost/libs/context/performance/callcc/Jamfile.v2 b/src/boost/libs/context/performance/callcc/Jamfile.v2
new file mode 100644
index 000000000..5471cb0f6
--- /dev/null
+++ b/src/boost/libs/context/performance/callcc/Jamfile.v2
@@ -0,0 +1,34 @@
+
+# Copyright Oliver Kowalke 2009.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# For more information, see http://www.boost.org/
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+
+project boost/context/performance/callcc
+ : requirements
+ <library>/boost/chrono//boost_chrono
+ <library>/boost/context//boost_context
+ <library>/boost/program_options//boost_program_options
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <link>static
+ <optimization>speed
+ <threading>multi
+ <variant>release
+ <cxxflags>-DBOOST_DISABLE_ASSERTS
+ ;
+
+exe performance
+ : performance.cpp
+ ;
diff --git a/src/boost/libs/context/performance/callcc/performance.cpp b/src/boost/libs/context/performance/callcc/performance.cpp
new file mode 100644
index 000000000..21de3c735
--- /dev/null
+++ b/src/boost/libs/context/performance/callcc/performance.cpp
@@ -0,0 +1,102 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstddef>
+#include <cstdlib>
+#include <iostream>
+#include <stdexcept>
+
+#include <boost/context/continuation.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/program_options.hpp>
+
+#include "../clock.hpp"
+#include "../cycle.hpp"
+
+boost::uint64_t jobs = 1000000;
+
+namespace ctx = boost::context;
+
+static ctx::continuation foo( ctx::continuation && c) {
+ while ( true) {
+ c = c.resume();
+ }
+ return std::move( c);
+}
+
+duration_type measure_time() {
+ // cache warum-up
+ ctx::continuation c = ctx::callcc( foo);
+ c = c.resume();
+
+ time_point_type start( clock_type::now() );
+ for ( std::size_t i = 0; i < jobs; ++i) {
+ c = c.resume();
+ }
+ duration_type total = clock_type::now() - start;
+ total -= overhead_clock(); // overhead of measurement
+ total /= jobs; // loops
+ total /= 2; // 2x jump_fcontext
+
+ return total;
+}
+
+#ifdef BOOST_CONTEXT_CYCLE
+cycle_type measure_cycles() {
+ // cache warum-up
+ ctx::fixedsize_stack alloc;
+ ctx::continuation c = ctx::callcc( std::allocator_arg, alloc, foo);
+ c = c.resume();
+
+ cycle_type start( cycles() );
+ for ( std::size_t i = 0; i < jobs; ++i) {
+ c = c.resume();
+ }
+ cycle_type total = cycles() - start;
+ total -= overhead_cycle(); // overhead of measurement
+ total /= jobs; // loops
+ total /= 2; // 2x jump_fcontext
+
+ return total;
+}
+#endif
+
+int main( int argc, char * argv[]) {
+ try {
+ boost::program_options::options_description desc("allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("jobs,j", boost::program_options::value< boost::uint64_t >( & jobs), "jobs to run");
+
+ boost::program_options::variables_map vm;
+ boost::program_options::store(
+ boost::program_options::parse_command_line(
+ argc,
+ argv,
+ desc),
+ vm);
+ boost::program_options::notify( vm);
+
+ if ( vm.count("help") ) {
+ std::cout << desc << std::endl;
+ return EXIT_SUCCESS;
+ }
+
+ boost::uint64_t res = measure_time().count();
+ std::cout << "continuation: average of " << res << " nano seconds" << std::endl;
+#ifdef BOOST_CONTEXT_CYCLE
+ res = measure_cycles();
+ std::cout << "continuation: average of " << res << " cpu cycles" << std::endl;
+#endif
+
+ return EXIT_SUCCESS;
+ } catch ( std::exception const& e) {
+ std::cerr << "exception: " << e.what() << std::endl;
+ } catch (...) {
+ std::cerr << "unhandled exception" << std::endl;
+ }
+ return EXIT_FAILURE;
+}
diff --git a/src/boost/libs/context/performance/clock.hpp b/src/boost/libs/context/performance/clock.hpp
new file mode 100644
index 000000000..d8222bb8f
--- /dev/null
+++ b/src/boost/libs/context/performance/clock.hpp
@@ -0,0 +1,45 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef CLOCK_H
+#define CLOCK_H
+
+#include <algorithm>
+#include <cstddef>
+#include <numeric>
+#include <vector>
+
+#include <boost/assert.hpp>
+#include <boost/chrono.hpp>
+#include <boost/cstdint.hpp>
+
+typedef boost::chrono::high_resolution_clock clock_type;
+typedef clock_type::duration duration_type;
+typedef clock_type::time_point time_point_type;
+
+struct clock_overhead
+{
+ boost::uint64_t operator()()
+ {
+ time_point_type start( clock_type::now() );
+ return ( clock_type::now() - start).count();
+ }
+};
+
+inline
+duration_type overhead_clock()
+{
+ std::size_t iterations( 10);
+ std::vector< boost::uint64_t > overhead( iterations, 0);
+ for ( std::size_t i = 0; i < iterations; ++i)
+ std::generate(
+ overhead.begin(), overhead.end(),
+ clock_overhead() );
+ BOOST_ASSERT( overhead.begin() != overhead.end() );
+ return duration_type( std::accumulate( overhead.begin(), overhead.end(), 0) / iterations);
+}
+
+#endif // CLOCK_H
diff --git a/src/boost/libs/context/performance/cycle.hpp b/src/boost/libs/context/performance/cycle.hpp
new file mode 100644
index 000000000..c26c85983
--- /dev/null
+++ b/src/boost/libs/context/performance/cycle.hpp
@@ -0,0 +1,26 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef CYCLE_H
+#define CYCLE_H
+
+// x86_64
+// test x86_64 before i386 because icc might
+// define __i686__ for x86_64 too
+#if defined(__x86_64__) || defined(__x86_64) \
+ || defined(__amd64__) || defined(__amd64) \
+ || defined(_M_X64) || defined(_M_AMD64)
+# include "cycle_x86-64.hpp"
+// i386
+#elif defined(i386) || defined(__i386__) || defined(__i386) \
+ || defined(__i486__) || defined(__i586__) || defined(__i686__) \
+ || defined(__X86__) || defined(_X86_) || defined(__THW_INTEL__) \
+ || defined(__I86__) || defined(__INTEL__) || defined(__IA32__) \
+ || defined(_M_IX86) || defined(_I86_)
+# include "cycle_i386.hpp"
+#endif
+
+#endif // CYCLE_H
diff --git a/src/boost/libs/context/performance/cycle_i386.hpp b/src/boost/libs/context/performance/cycle_i386.hpp
new file mode 100644
index 000000000..a3eb70398
--- /dev/null
+++ b/src/boost/libs/context/performance/cycle_i386.hpp
@@ -0,0 +1,83 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef CYCLE_I386_H
+#define CYCLE_I386_H
+
+#include <algorithm>
+#include <numeric>
+#include <cstddef>
+#include <vector>
+
+#include <boost/assert.hpp>
+#include <boost/bind.hpp>
+#include <boost/cstdint.hpp>
+
+#define BOOST_CONTEXT_CYCLE
+
+typedef boost::uint64_t cycle_type;
+
+#if _MSC_VER
+inline
+cycle_type cycles()
+{
+ cycle_type c;
+ __asm {
+ cpuid
+ rdtsc
+ mov dword ptr [c + 0], eax
+ mov dword ptr [c + 4], edx
+ }
+ return c;
+}
+#elif defined(__GNUC__) || \
+ defined(__INTEL_COMPILER) || defined(__ICC) || defined(_ECC) || defined(__ICL)
+inline
+cycle_type cycles()
+{
+ boost::uint32_t lo, hi;
+
+ __asm__ __volatile__ (
+ "xorl %%eax, %%eax\n"
+ "cpuid\n"
+ ::: "%eax", "%ebx", "%ecx", "%edx"
+ );
+ __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi) );
+ __asm__ __volatile__ (
+ "xorl %%eax, %%eax\n"
+ "cpuid\n"
+ ::: "%eax", "%ebx", "%ecx", "%edx"
+ );
+
+ return ( cycle_type)hi << 32 | lo;
+}
+#else
+# error "this compiler is not supported"
+#endif
+
+struct cycle_overhead
+{
+ cycle_type operator()()
+ {
+ cycle_type start( cycles() );
+ return cycles() - start;
+ }
+};
+
+inline
+cycle_type overhead_cycle()
+{
+ std::size_t iterations( 10);
+ std::vector< cycle_type > overhead( iterations, 0);
+ for ( std::size_t i( 0); i < iterations; ++i)
+ std::generate(
+ overhead.begin(), overhead.end(),
+ cycle_overhead() );
+ BOOST_ASSERT( overhead.begin() != overhead.end() );
+ return std::accumulate( overhead.begin(), overhead.end(), 0) / iterations;
+}
+
+#endif // CYCLE_I386_H
diff --git a/src/boost/libs/context/performance/cycle_x86-64.hpp b/src/boost/libs/context/performance/cycle_x86-64.hpp
new file mode 100644
index 000000000..fae0226c9
--- /dev/null
+++ b/src/boost/libs/context/performance/cycle_x86-64.hpp
@@ -0,0 +1,79 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef CYCLE_X86_64_H
+#define CYCLE_X86_64_H
+
+#include <algorithm>
+#include <numeric>
+#include <cstddef>
+#include <vector>
+
+#include <boost/assert.hpp>
+#include <boost/bind.hpp>
+#include <boost/cstdint.hpp>
+
+#define BOOST_CONTEXT_CYCLE
+
+typedef boost::uint64_t cycle_type;
+
+#if _MSC_VER >= 1400
+# include <intrin.h>
+# pragma intrinsic(__rdtsc)
+inline
+cycle_type cycles()
+{ return __rdtsc(); }
+#elif defined(__INTEL_COMPILER) || defined(__ICC) || defined(_ECC) || defined(__ICL)
+inline
+cycle_type cycles()
+{ return __rdtsc(); }
+#elif defined(__GNUC__) || defined(__SUNPRO_C)
+inline
+cycle_type cycles()
+{
+ boost::uint32_t lo, hi;
+
+ __asm__ __volatile__ (
+ "xorl %%eax, %%eax\n"
+ "cpuid\n"
+ ::: "%rax", "%rbx", "%rcx", "%rdx"
+ );
+ __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi) );
+ __asm__ __volatile__ (
+ "xorl %%eax, %%eax\n"
+ "cpuid\n"
+ ::: "%rax", "%rbx", "%rcx", "%rdx"
+ );
+
+ return ( cycle_type)hi << 32 | lo;
+}
+#else
+# error "this compiler is not supported"
+#endif
+
+struct cycle_overhead
+{
+ cycle_type operator()()
+ {
+ cycle_type start( cycles() );
+ return cycles() - start;
+ }
+};
+
+inline
+cycle_type overhead_cycle()
+{
+ std::size_t iterations( 10);
+ std::vector< cycle_type > overhead( iterations, 0);
+ for ( std::size_t i( 0); i < iterations; ++i)
+ std::generate(
+ overhead.begin(), overhead.end(),
+ cycle_overhead() );
+ BOOST_ASSERT( overhead.begin() != overhead.end() );
+ return std::accumulate( overhead.begin(), overhead.end(), 0) / iterations;
+}
+
+#endif // CYCLE_X86_64_H
diff --git a/src/boost/libs/context/performance/fcontext/Jamfile.v2 b/src/boost/libs/context/performance/fcontext/Jamfile.v2
new file mode 100644
index 000000000..eeb2a5d23
--- /dev/null
+++ b/src/boost/libs/context/performance/fcontext/Jamfile.v2
@@ -0,0 +1,34 @@
+
+# Copyright Oliver Kowalke 2009.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# For more information, see http://www.boost.org/
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+
+project boost/context/performance/fcontext
+ : requirements
+ <library>/boost/chrono//boost_chrono
+ <library>/boost/context//boost_context
+ <library>/boost/program_options//boost_program_options
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <link>static
+ <optimization>speed
+ <threading>multi
+ <variant>release
+ <cxxflags>-DBOOST_DISABLE_ASSERTS
+ ;
+
+exe performance
+ : performance.cpp
+ ;
diff --git a/src/boost/libs/context/performance/fcontext/performance.cpp b/src/boost/libs/context/performance/fcontext/performance.cpp
new file mode 100644
index 000000000..ed271dccd
--- /dev/null
+++ b/src/boost/libs/context/performance/fcontext/performance.cpp
@@ -0,0 +1,150 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstddef>
+#include <cstdlib>
+#include <iostream>
+#include <stdexcept>
+
+#include <boost/context/detail/fcontext.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/program_options.hpp>
+
+#include "../clock.hpp"
+#include "../cycle.hpp"
+
+template< std::size_t Max, std::size_t Default, std::size_t Min >
+class simple_stack_allocator
+{
+public:
+ static std::size_t maximum_stacksize()
+ { return Max; }
+
+ static std::size_t default_stacksize()
+ { return Default; }
+
+ static std::size_t minimum_stacksize()
+ { return Min; }
+
+ void * allocate( std::size_t size) const
+ {
+ BOOST_ASSERT( minimum_stacksize() <= size);
+ BOOST_ASSERT( maximum_stacksize() >= size);
+
+ void * limit = std::malloc( size);
+ if ( ! limit) throw std::bad_alloc();
+
+ return static_cast< char * >( limit) + size;
+ }
+
+ void deallocate( void * vp, std::size_t size) const
+ {
+ BOOST_ASSERT( vp);
+ BOOST_ASSERT( minimum_stacksize() <= size);
+ BOOST_ASSERT( maximum_stacksize() >= size);
+
+ void * limit = static_cast< char * >( vp) - size;
+ std::free( limit);
+ }
+};
+
+typedef simple_stack_allocator<
+ 8 * 1024 * 1024, 64 * 1024, 8 * 1024
+ > stack_allocator;
+
+boost::uint64_t jobs = 1000000;
+
+static void foo( boost::context::detail::transfer_t t_) {
+ boost::context::detail::transfer_t t = t_;
+ while ( true) {
+ t = boost::context::detail::jump_fcontext( t.fctx, 0);
+ }
+}
+
+duration_type measure_time_fc() {
+ stack_allocator stack_alloc;
+ boost::context::detail::fcontext_t ctx = boost::context::detail::make_fcontext(
+ stack_alloc.allocate( stack_allocator::default_stacksize() ),
+ stack_allocator::default_stacksize(),
+ foo);
+
+ // cache warum-up
+ boost::context::detail::transfer_t t = boost::context::detail::jump_fcontext( ctx, 0);
+
+ time_point_type start( clock_type::now() );
+ for ( std::size_t i = 0; i < jobs; ++i) {
+ t = boost::context::detail::jump_fcontext( t.fctx, 0);
+ }
+ duration_type total = clock_type::now() - start;
+ total -= overhead_clock(); // overhead of measurement
+ total /= jobs; // loops
+ total /= 2; // 2x jump_fcontext
+
+ return total;
+}
+
+#ifdef BOOST_CONTEXT_CYCLE
+cycle_type measure_cycles_fc() {
+ stack_allocator stack_alloc;
+ boost::context::detail::fcontext_t ctx = boost::context::detail::make_fcontext(
+ stack_alloc.allocate( stack_allocator::default_stacksize() ),
+ stack_allocator::default_stacksize(),
+ foo);
+
+ // cache warum-up
+ boost::context::detail::transfer_t t = boost::context::detail::jump_fcontext( ctx, 0);
+
+ cycle_type start( cycles() );
+ for ( std::size_t i = 0; i < jobs; ++i) {
+ t = boost::context::detail::jump_fcontext( t.fctx, 0);
+ }
+ cycle_type total = cycles() - start;
+ total -= overhead_cycle(); // overhead of measurement
+ total /= jobs; // loops
+ total /= 2; // 2x jump_fcontext
+
+ return total;
+}
+#endif
+
+int main( int argc, char * argv[])
+{
+ try
+ {
+ boost::program_options::options_description desc("allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("jobs,j", boost::program_options::value< boost::uint64_t >( & jobs), "jobs to run");
+
+ boost::program_options::variables_map vm;
+ boost::program_options::store(
+ boost::program_options::parse_command_line(
+ argc,
+ argv,
+ desc),
+ vm);
+ boost::program_options::notify( vm);
+
+ if ( vm.count("help") ) {
+ std::cout << desc << std::endl;
+ return EXIT_SUCCESS;
+ }
+
+ boost::uint64_t res = measure_time_fc().count();
+ std::cout << "fcontext_t: average of " << res << " nano seconds" << std::endl;
+#ifdef BOOST_CONTEXT_CYCLE
+ res = measure_cycles_fc();
+ std::cout << "fcontext_t: average of " << res << " cpu cycles" << std::endl;
+#endif
+
+ return EXIT_SUCCESS;
+ }
+ catch ( std::exception const& e)
+ { std::cerr << "exception: " << e.what() << std::endl; }
+ catch (...)
+ { std::cerr << "unhandled exception" << std::endl; }
+ return EXIT_FAILURE;
+}
diff --git a/src/boost/libs/context/performance/fiber/Jamfile.v2 b/src/boost/libs/context/performance/fiber/Jamfile.v2
new file mode 100644
index 000000000..5e9f54f3b
--- /dev/null
+++ b/src/boost/libs/context/performance/fiber/Jamfile.v2
@@ -0,0 +1,34 @@
+
+# Copyright Oliver Kowalke 2009.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# For more information, see http://www.boost.org/
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+
+project boost/context/performance/fiber
+ : requirements
+ <library>/boost/chrono//boost_chrono
+ <library>/boost/context//boost_context
+ <library>/boost/program_options//boost_program_options
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <link>static
+ <optimization>speed
+ <threading>multi
+ <variant>release
+ <cxxflags>-DBOOST_DISABLE_ASSERTS
+ ;
+
+exe performance
+ : performance.cpp
+ ;
diff --git a/src/boost/libs/context/performance/fiber/performance.cpp b/src/boost/libs/context/performance/fiber/performance.cpp
new file mode 100644
index 000000000..e49deecd2
--- /dev/null
+++ b/src/boost/libs/context/performance/fiber/performance.cpp
@@ -0,0 +1,102 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstddef>
+#include <cstdlib>
+#include <iostream>
+#include <stdexcept>
+
+#include <boost/context/fiber.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/program_options.hpp>
+
+#include "../clock.hpp"
+#include "../cycle.hpp"
+
+boost::uint64_t jobs = 1000000;
+
+namespace ctx = boost::context;
+
+static ctx::fiber foo( ctx::fiber && f) {
+ while ( true) {
+ f = std::move( f).resume();
+ }
+ return ctx::fiber{};
+}
+
+duration_type measure_time() {
+ // cache warum-up
+ ctx::fiber f{ foo };
+ f = std::move( f).resume();
+
+ time_point_type start( clock_type::now() );
+ for ( std::size_t i = 0; i < jobs; ++i) {
+ f = std::move( f).resume();
+ }
+ duration_type total = clock_type::now() - start;
+ total -= overhead_clock(); // overhead of measurement
+ total /= jobs; // loops
+ total /= 2; // 2x jump_fcontext
+
+ return total;
+}
+
+#ifdef BOOST_CONTEXT_CYCLE
+cycle_type measure_cycles() {
+ // cache warum-up
+ ctx::fixedsize_stack alloc;
+ ctx::fiber f{ std::allocator_arg, alloc, foo };
+ f = std::move( f).resume();
+
+ cycle_type start( cycles() );
+ for ( std::size_t i = 0; i < jobs; ++i) {
+ f = std::move( f).resume();
+ }
+ cycle_type total = cycles() - start;
+ total -= overhead_cycle(); // overhead of measurement
+ total /= jobs; // loops
+ total /= 2; // 2x jump_fcontext
+
+ return total;
+}
+#endif
+
+int main( int argc, char * argv[]) {
+ try {
+ boost::program_options::options_description desc("allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("jobs,j", boost::program_options::value< boost::uint64_t >( & jobs), "jobs to run");
+
+ boost::program_options::variables_map vm;
+ boost::program_options::store(
+ boost::program_options::parse_command_line(
+ argc,
+ argv,
+ desc),
+ vm);
+ boost::program_options::notify( vm);
+
+ if ( vm.count("help") ) {
+ std::cout << desc << std::endl;
+ return EXIT_SUCCESS;
+ }
+
+ boost::uint64_t res = measure_time().count();
+ std::cout << "fiber: average of " << res << " nano seconds" << std::endl;
+#ifdef BOOST_CONTEXT_CYCLE
+ res = measure_cycles();
+ std::cout << "fiber: average of " << res << " cpu cycles" << std::endl;
+#endif
+
+ return EXIT_SUCCESS;
+ } catch ( std::exception const& e) {
+ std::cerr << "exception: " << e.what() << std::endl;
+ } catch (...) {
+ std::cerr << "unhandled exception" << std::endl;
+ }
+ return EXIT_FAILURE;
+}
diff --git a/src/boost/libs/context/src/asm/jump_arm64_aapcs_elf_gas.S b/src/boost/libs/context/src/asm/jump_arm64_aapcs_elf_gas.S
new file mode 100644
index 000000000..cefd1830d
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_arm64_aapcs_elf_gas.S
@@ -0,0 +1,114 @@
+/*
+ Copyright Edward Nevill + Oliver Kowalke 2015
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | d8 | d9 | d10 | d11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | d12 | d13 | d14 | d15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | x19 | x20 | x21 | x22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | x23 | x24 | x25 | x26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | x27 | x28 | FP | LR | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | | | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| | | *
+ * ------------------------------------------------- *
+ * | PC | align | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "jump_arm64_aapcs_elf_gas.S"
+.text
+.align 2
+.global jump_fcontext
+.type jump_fcontext, %function
+jump_fcontext:
+ # prepare stack for GP + FPU
+ sub sp, sp, #0xb0
+
+ # save d8 - d15
+ stp d8, d9, [sp, #0x00]
+ stp d10, d11, [sp, #0x10]
+ stp d12, d13, [sp, #0x20]
+ stp d14, d15, [sp, #0x30]
+
+ # save x19-x30
+ stp x19, x20, [sp, #0x40]
+ stp x21, x22, [sp, #0x50]
+ stp x23, x24, [sp, #0x60]
+ stp x25, x26, [sp, #0x70]
+ stp x27, x28, [sp, #0x80]
+ stp x29, x30, [sp, #0x90]
+
+ # save LR as PC
+ str x30, [sp, #0xa0]
+
+ # store RSP (pointing to context-data) in X0
+ mov x4, sp
+
+ # restore RSP (pointing to context-data) from X1
+ mov sp, x0
+
+ # load d8 - d15
+ ldp d8, d9, [sp, #0x00]
+ ldp d10, d11, [sp, #0x10]
+ ldp d12, d13, [sp, #0x20]
+ ldp d14, d15, [sp, #0x30]
+
+ # load x19-x30
+ ldp x19, x20, [sp, #0x40]
+ ldp x21, x22, [sp, #0x50]
+ ldp x23, x24, [sp, #0x60]
+ ldp x25, x26, [sp, #0x70]
+ ldp x27, x28, [sp, #0x80]
+ ldp x29, x30, [sp, #0x90]
+
+ # return transfer_t from jump
+ # pass transfer_t as first arg in context function
+ # X0 == FCTX, X1 == DATA
+ mov x0, x4
+
+ # load pc
+ ldr x4, [sp, #0xa0]
+
+ # restore stack from GP + FPU
+ add sp, sp, #0xb0
+
+ ret x4
+.size jump_fcontext,.-jump_fcontext
+# Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_arm64_aapcs_macho_gas.S b/src/boost/libs/context/src/asm/jump_arm64_aapcs_macho_gas.S
new file mode 100644
index 000000000..31738f745
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_arm64_aapcs_macho_gas.S
@@ -0,0 +1,109 @@
+/*
+ Copyright Edward Nevill + Oliver Kowalke 2015
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | d8 | d9 | d10 | d11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | d12 | d13 | d14 | d15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | x19 | x20 | x21 | x22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | x23 | x24 | x25 | x26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | x27 | x28 | FP | LR | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | | | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| | | *
+ * ------------------------------------------------- *
+ * | PC | align | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _jump_fcontext
+.balign 16
+_jump_fcontext:
+ ; prepare stack for GP + FPU
+ sub sp, sp, #0xb0
+
+ ; save d8 - d15
+ stp d8, d9, [sp, #0x00]
+ stp d10, d11, [sp, #0x10]
+ stp d12, d13, [sp, #0x20]
+ stp d14, d15, [sp, #0x30]
+
+ ; save x19-x30
+ stp x19, x20, [sp, #0x40]
+ stp x21, x22, [sp, #0x50]
+ stp x23, x24, [sp, #0x60]
+ stp x25, x26, [sp, #0x70]
+ stp x27, x28, [sp, #0x80]
+ stp fp, lr, [sp, #0x90]
+
+ ; save LR as PC
+ str lr, [sp, #0xa0]
+
+ ; store RSP (pointing to context-data) in X0
+ mov x4, sp
+
+ ; restore RSP (pointing to context-data) from X1
+ mov sp, x0
+
+ ; load d8 - d15
+ ldp d8, d9, [sp, #0x00]
+ ldp d10, d11, [sp, #0x10]
+ ldp d12, d13, [sp, #0x20]
+ ldp d14, d15, [sp, #0x30]
+
+ ; load x19-x30
+ ldp x19, x20, [sp, #0x40]
+ ldp x21, x22, [sp, #0x50]
+ ldp x23, x24, [sp, #0x60]
+ ldp x25, x26, [sp, #0x70]
+ ldp x27, x28, [sp, #0x80]
+ ldp fp, lr, [sp, #0x90]
+
+ ; return transfer_t from jump
+ ; pass transfer_t as first arg in context function
+ ; X0 == FCTX, X1 == DATA
+ mov x0, x4
+
+ ; load pc
+ ldr x4, [sp, #0xa0]
+
+ ; restore stack from GP + FPU
+ add sp, sp, #0xb0
+
+ ret x4
diff --git a/src/boost/libs/context/src/asm/jump_arm_aapcs_elf_gas.S b/src/boost/libs/context/src/asm/jump_arm_aapcs_elf_gas.S
new file mode 100644
index 000000000..86efe9d82
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_arm_aapcs_elf_gas.S
@@ -0,0 +1,88 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | s16 | s17 | s18 | s19 | s20 | s21 | s22 | s23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | s24 | s25 | s26 | s27 | s28 | s29 | s30 | s31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * |hiddn| v1 | v2 | v3 | v4 | v5 | v6 | v7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | v8 | lr | pc | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "jump_arm_aapcs_elf_gas.S"
+.text
+.globl jump_fcontext
+.align 2
+.type jump_fcontext,%function
+.syntax unified
+jump_fcontext:
+ @ save LR as PC
+ push {lr}
+ @ save hidden,V1-V8,LR
+ push {a1,v1-v8,lr}
+
+ @ prepare stack for FPU
+ sub sp, sp, #64
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ save S16-S31
+ vstmia sp, {d8-d15}
+#endif
+
+ @ store RSP (pointing to context-data) in A1
+ mov a1, sp
+
+ @ restore RSP (pointing to context-data) from A2
+ mov sp, a2
+
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ restore S16-S31
+ vldmia sp, {d8-d15}
+#endif
+ @ prepare stack for FPU
+ add sp, sp, #64
+
+ @ restore hidden,V1-V8,LR
+ pop {a4,v1-v8,lr}
+
+ @ return transfer_t from jump
+ str a1, [a4, #0]
+ str a3, [a4, #4]
+ @ pass transfer_t as first arg in context function
+ @ A1 == FCTX, A2 == DATA
+ mov a2, a3
+
+ @ restore PC
+ pop {pc}
+.size jump_fcontext,.-jump_fcontext
+
+@ Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_arm_aapcs_macho_gas.S b/src/boost/libs/context/src/asm/jump_arm_aapcs_macho_gas.S
new file mode 100644
index 000000000..8edd0d7de
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_arm_aapcs_macho_gas.S
@@ -0,0 +1,95 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | s16 | s17 | s18 | s19 | s20 | s21 | s22 | s23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | s24 | s25 | s26 | s27 | s28 | s29 | s30 | s31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | sjlj|hiddn| v1 | v2 | v3 | v4 | v5 | v6 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | v7 | v8 | lr | pc | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _jump_fcontext
+.align 2
+_jump_fcontext:
+ @ save LR as PC
+ push {lr}
+ @ save hidden,V1-V8,LR
+ push {a1,v1-v8,lr}
+
+ @ locate TLS to save/restore SjLj handler
+ mrc p15, 0, v2, c13, c0, #3
+ bic v2, v2, #3
+
+ @ load TLS[__PTK_LIBC_DYLD_Unwind_SjLj_Key]
+ ldr v1, [v2, #8]
+ @ save SjLj handler
+ push {v1}
+
+ @ prepare stack for FPU
+ sub sp, sp, #64
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ save S16-S31
+ vstmia sp, {d8-d15}
+#endif
+
+ @ store RSP (pointing to context-data) in A1
+ mov a1, sp
+
+ @ restore RSP (pointing to context-data) from A2
+ mov sp, a2
+
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ restore S16-S31
+ vldmia sp, {d8-d15}
+#endif
+ @ prepare stack for FPU
+ add sp, sp, #64
+
+ @ r#estore SjLj handler
+ pop {v1}
+ @ store SjLj handler in TLS
+ str v1, [v2, #8]
+
+ @ restore hidden,V1-V8,LR
+ pop {a4,v1-v8,lr}
+
+ @ return transfer_t from jump
+ str a1, [a4, #0]
+ str a3, [a4, #4]
+ @ pass transfer_t as first arg in context function
+ @ A1 == FCTX, A2 == DATA
+ mov a2, a3
+
+ @ restore PC
+ pop {pc}
diff --git a/src/boost/libs/context/src/asm/jump_arm_aapcs_pe_armasm.asm b/src/boost/libs/context/src/asm/jump_arm_aapcs_pe_armasm.asm
new file mode 100644
index 000000000..bca923c6c
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_arm_aapcs_pe_armasm.asm
@@ -0,0 +1,81 @@
+;/*
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+;*/
+
+; *******************************************************
+; * *
+; * ------------------------------------------------- *
+; * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+; * ------------------------------------------------- *
+; * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+; * ------------------------------------------------- *
+; * |deall|limit| base|hiddn| v1 | v2 | v3 | v4 | *
+; * ------------------------------------------------- *
+; * ------------------------------------------------- *
+; * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+; * ------------------------------------------------- *
+; * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+; * ------------------------------------------------- *
+; * | v5 | v6 | v7 | v8 | lr | pc | FCTX| DATA| *
+; * ------------------------------------------------- *
+; * *
+; *******************************************************
+
+ AREA |.text|, CODE
+ ALIGN 4
+ EXPORT jump_fcontext
+
+jump_fcontext PROC
+ ; save LR as PC
+ push {lr}
+ ; save hidden,V1-V8,LR
+ push {a1,v1-v8,lr}
+
+ ; load TIB to save/restore thread size and limit.
+ ; we do not need preserve CPU flag and can use it's arg register
+ mrc p15, #0, v1, c13, c0, #2
+
+ ; save current stack base
+ ldr a5, [v1, #0x04]
+ push {a5}
+ ; save current stack limit
+ ldr a5, [v1, #0x08]
+ push {a5}
+ ; save current deallocation stack
+ ldr a5, [v1, #0xe0c]
+ push {a5}
+
+ ; store RSP (pointing to context-data) in A1
+ mov a1, sp
+
+ ; restore RSP (pointing to context-data) from A2
+ mov sp, a2
+
+ ; restore deallocation stack
+ pop {a5}
+ str a5, [v1, #0xe0c]
+ ; restore stack limit
+ pop {a5}
+ str a5, [v1, #0x08]
+ ; restore stack base
+ pop {a5}
+ str a5, [v1, #0x04]
+
+ ; restore hidden,V1-V8,LR
+ pop {a4,v1-v8,lr}
+
+ ; return transfer_t from jump
+ str a1, [a4, #0]
+ str a3, [a4, #4]
+ ; pass transfer_t as first arg in context function
+ ; A1 == FCTX, A2 == DATA
+ mov a2, a3
+
+ ; restore PC
+ pop {pc}
+
+ ENDP
+ END
diff --git a/src/boost/libs/context/src/asm/jump_combined_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_combined_sysv_macho_gas.S
new file mode 100644
index 000000000..1d27afad1
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_combined_sysv_macho_gas.S
@@ -0,0 +1,20 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__i386__)
+ #include "jump_i386_sysv_macho_gas.S"
+#elif defined(__x86_64__)
+ #include "jump_x86_64_sysv_macho_gas.S"
+#elif defined(__ppc__)
+ #include "jump_ppc32_sysv_macho_gas.S"
+#elif defined(__ppc64__)
+ #include "jump_ppc64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm b/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm
new file mode 100644
index 000000000..bf5c75a49
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_i386_ms_pe_gas.asm
@@ -0,0 +1,123 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Copyright Thomas Sailer 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*************************************************************************************
+* --------------------------------------------------------------------------------- *
+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+* --------------------------------------------------------------------------------- *
+* | 0h | 04h | 08h | 0ch | 010h | 014h | 018h | 01ch | *
+* --------------------------------------------------------------------------------- *
+* | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo| limit | base | fc_seh | EDI | *
+* --------------------------------------------------------------------------------- *
+* --------------------------------------------------------------------------------- *
+* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+* --------------------------------------------------------------------------------- *
+* | 020h | 024h | 028h | 02ch | 030h | 034h | 038h | 03ch | *
+* --------------------------------------------------------------------------------- *
+* | ESI | EBX | EBP | EIP | to | data | EH NXT |SEH HNDLR| *
+* --------------------------------------------------------------------------------- *
+**************************************************************************************/
+
+.file "jump_i386_ms_pe_gas.asm"
+.text
+.p2align 4,,15
+
+/* mark as using no unregistered SEH handlers */
+.globl @feat.00
+.def @feat.00; .scl 3; .type 0; .endef
+.set @feat.00, 1
+
+.globl _jump_fcontext
+.def _jump_fcontext; .scl 2; .type 32; .endef
+_jump_fcontext:
+ /* prepare stack */
+ leal -0x2c(%esp), %esp
+
+#if !defined(BOOST_USE_TSX)
+ /* save MMX control- and status-word */
+ stmxcsr (%esp)
+ /* save x87 control-word */
+ fnstcw 0x4(%esp)
+#endif
+
+ /* load NT_TIB */
+ movl %fs:(0x18), %edx
+ /* load fiber local storage */
+ movl 0x10(%edx), %eax
+ movl %eax, 0x8(%esp)
+ /* load current dealloction stack */
+ movl 0xe0c(%edx), %eax
+ movl %eax, 0xc(%esp)
+ /* load current stack limit */
+ movl 0x8(%edx), %eax
+ movl %eax, 0x10(%esp)
+ /* load current stack base */
+ movl 0x4(%edx), %eax
+ movl %eax, 0x14(%esp)
+ /* load current SEH exception list */
+ movl (%edx), %eax
+ movl %eax, 0x18(%esp)
+
+ movl %edi, 0x1c(%esp) /* save EDI */
+ movl %esi, 0x20(%esp) /* save ESI */
+ movl %ebx, 0x24(%esp) /* save EBX */
+ movl %ebp, 0x28(%esp) /* save EBP */
+
+ /* store ESP (pointing to context-data) in EAX */
+ movl %esp, %eax
+
+ /* firstarg of jump_fcontext() == fcontext to jump to */
+ movl 0x30(%esp), %ecx
+
+ /* restore ESP (pointing to context-data) from ECX */
+ movl %ecx, %esp
+
+#if !defined(BOOST_USE_TSX)
+ /* restore MMX control- and status-word */
+ ldmxcsr (%esp)
+ /* restore x87 control-word */
+ fldcw 0x4(%esp)
+#endif
+
+ /* restore NT_TIB into EDX */
+ movl %fs:(0x18), %edx
+ /* restore fiber local storage */
+ movl 0x8(%esp), %ecx
+ movl %ecx, 0x10(%edx)
+ /* restore current deallocation stack */
+ movl 0xc(%esp), %ecx
+ movl %ecx, 0xe0c(%edx)
+ /* restore current stack limit */
+ movl 0x10(%esp), %ecx
+ movl %ecx, 0x8(%edx)
+ /* restore current stack base */
+ movl 0x14(%esp), %ecx
+ movl %ecx, 0x4(%edx)
+ /* restore current SEH exception list */
+ movl 0x18(%esp), %ecx
+ movl %ecx, (%edx)
+
+ movl 0x2c(%esp), %ecx /* restore EIP */
+
+ movl 0x1c(%esp), %edi /* restore EDI */
+ movl 0x20(%esp), %esi /* restore ESI */
+ movl 0x24(%esp), %ebx /* restore EBX */
+ movl 0x28(%esp), %ebp /* restore EBP */
+
+ /* prepare stack */
+ leal 0x30(%esp), %esp
+
+ /* return transfer_t */
+ /* FCTX == EAX, DATA == EDX */
+ movl 0x34(%eax), %edx
+
+ /* jump to context */
+ jmp *%ecx
+
+.section .drectve
+.ascii " -export:\"_jump_fcontext\""
diff --git a/src/boost/libs/context/src/asm/jump_i386_ms_pe_masm.asm b/src/boost/libs/context/src/asm/jump_i386_ms_pe_masm.asm
new file mode 100644
index 000000000..7a9e848f1
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_i386_ms_pe_masm.asm
@@ -0,0 +1,116 @@
+
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+
+; ---------------------------------------------------------------------------------
+; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+; ---------------------------------------------------------------------------------
+; | 0h | 04h | 08h | 0ch | 010h | 014h | 018h | 01ch |
+; ---------------------------------------------------------------------------------
+; | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo| limit | base | fc_seh | EDI |
+; ---------------------------------------------------------------------------------
+; ---------------------------------------------------------------------------------
+; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+; ---------------------------------------------------------------------------------
+; | 020h | 024h | 028h | 02ch | 030h | 034h | 038h | 03ch |
+; ---------------------------------------------------------------------------------
+; | ESI | EBX | EBP | EIP | to | data | EH NXT |SEH HNDLR|
+; ---------------------------------------------------------------------------------
+
+.386
+.XMM
+.model flat, c
+.code
+
+jump_fcontext PROC BOOST_CONTEXT_EXPORT
+ ; prepare stack
+ lea esp, [esp-02ch]
+
+IFNDEF BOOST_USE_TSX
+ ; save MMX control- and status-word
+ stmxcsr [esp]
+ ; save x87 control-word
+ fnstcw [esp+04h]
+ENDIF
+
+ assume fs:nothing
+ ; load NT_TIB into ECX
+ mov edx, fs:[018h]
+ assume fs:error
+ ; load fiber local storage
+ mov eax, [edx+010h]
+ mov [esp+08h], eax
+ ; load current deallocation stack
+ mov eax, [edx+0e0ch]
+ mov [esp+0ch], eax
+ ; load current stack limit
+ mov eax, [edx+08h]
+ mov [esp+010h], eax
+ ; load current stack base
+ mov eax, [edx+04h]
+ mov [esp+014h], eax
+ ; load current SEH exception list
+ mov eax, [edx]
+ mov [esp+018h], eax
+
+ mov [esp+01ch], edi ; save EDI
+ mov [esp+020h], esi ; save ESI
+ mov [esp+024h], ebx ; save EBX
+ mov [esp+028h], ebp ; save EBP
+
+ ; store ESP (pointing to context-data) in EAX
+ mov eax, esp
+
+ ; firstarg of jump_fcontext() == fcontext to jump to
+ mov ecx, [esp+030h]
+
+ ; restore ESP (pointing to context-data) from ECX
+ mov esp, ecx
+
+IFNDEF BOOST_USE_TSX
+ ; restore MMX control- and status-word
+ ldmxcsr [esp]
+ ; restore x87 control-word
+ fldcw [esp+04h]
+ENDIF
+
+ assume fs:nothing
+ ; load NT_TIB into EDX
+ mov edx, fs:[018h]
+ assume fs:error
+ ; restore fiber local storage
+ mov ecx, [esp+08h]
+ mov [edx+010h], ecx
+ ; restore current deallocation stack
+ mov ecx, [esp+0ch]
+ mov [edx+0e0ch], ecx
+ ; restore current stack limit
+ mov ecx, [esp+010h]
+ mov [edx+08h], ecx
+ ; restore current stack base
+ mov ecx, [esp+014h]
+ mov [edx+04h], ecx
+ ; restore current SEH exception list
+ mov ecx, [esp+018h]
+ mov [edx], ecx
+
+ mov ecx, [esp+02ch] ; restore EIP
+
+ mov edi, [esp+01ch] ; restore EDI
+ mov esi, [esp+020h] ; restore ESI
+ mov ebx, [esp+024h] ; restore EBX
+ mov ebp, [esp+028h] ; restore EBP
+
+ ; prepare stack
+ lea esp, [esp+030h]
+
+ ; return transfer_t
+ ; FCTX == EAX, DATA == EDX
+ mov edx, [eax+034h]
+
+ ; jump to context
+ jmp ecx
+jump_fcontext ENDP
+END
diff --git a/src/boost/libs/context/src/asm/jump_i386_sysv_elf_gas.S b/src/boost/libs/context/src/asm/jump_i386_sysv_elf_gas.S
new file mode 100644
index 000000000..b96d4b5c0
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_i386_sysv_elf_gas.S
@@ -0,0 +1,83 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| EDI | ESI | EBX | EBP | EIP | hidden | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | | *
+ * ---------------------------------------------------------------------------------- *
+ * | to | data | | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.file "jump_i386_sysv_elf_gas.S"
+.text
+.globl jump_fcontext
+.align 2
+.type jump_fcontext,@function
+jump_fcontext:
+ leal -0x18(%esp), %esp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%esp) /* save MMX control- and status-word */
+ fnstcw 0x4(%esp) /* save x87 control-word */
+#endif
+
+ movl %edi, 0x8(%esp) /* save EDI */
+ movl %esi, 0xc(%esp) /* save ESI */
+ movl %ebx, 0x10(%esp) /* save EBX */
+ movl %ebp, 0x14(%esp) /* save EBP */
+
+ /* store ESP (pointing to context-data) in ECX */
+ movl %esp, %ecx
+
+ /* first arg of jump_fcontext() == fcontext to jump to */
+ movl 0x20(%esp), %eax
+
+ /* second arg of jump_fcontext() == data to be transferred */
+ movl 0x24(%esp), %edx
+
+ /* restore ESP (pointing to context-data) from EAX */
+ movl %eax, %esp
+
+ /* address of returned transport_t */
+ movl 0x1c(%esp), %eax
+ /* return parent fcontext_t */
+ movl %ecx, (%eax)
+ /* return data */
+ movl %edx, 0x4(%eax)
+
+ movl 0x18(%esp), %ecx /* restore EIP */
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%esp) /* restore MMX control- and status-word */
+ fldcw 0x4(%esp) /* restore x87 control-word */
+#endif
+
+ movl 0x8(%esp), %edi /* restore EDI */
+ movl 0xc(%esp), %esi /* restore ESI */
+ movl 0x10(%esp), %ebx /* restore EBX */
+ movl 0x14(%esp), %ebp /* restore EBP */
+
+ leal 0x20(%esp), %esp /* prepare stack */
+
+ /* jump to context */
+ jmp *%ecx
+.size jump_fcontext,.-jump_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_i386_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_i386_sysv_macho_gas.S
new file mode 100644
index 000000000..8ab7c6f29
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_i386_sysv_macho_gas.S
@@ -0,0 +1,74 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| EDI | ESI | EBX | EBP | EIP | to | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | | *
+ * ---------------------------------------------------------------------------------- *
+ * | data | | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.text
+.globl _jump_fcontext
+.align 2
+_jump_fcontext:
+ leal -0x18(%esp), %esp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%esp) /* save MMX control- and status-word */
+ fnstcw 0x4(%esp) /* save x87 control-word */
+#endif
+
+ movl %edi, 0x8(%esp) /* save EDI */
+ movl %esi, 0xc(%esp) /* save ESI */
+ movl %ebx, 0x10(%esp) /* save EBX */
+ movl %ebp, 0x14(%esp) /* save EBP */
+
+ /* store ESP (pointing to context-data) in ECX */
+ movl %esp, %ecx
+
+ /* first arg of jump_fcontext() == fcontext to jump to */
+ movl 0x1c(%esp), %eax
+
+ /* second arg of jump_fcontext() == data to be transferred */
+ movl 0x20(%esp), %edx
+
+ /* restore ESP (pointing to context-data) from EAX */
+ movl %eax, %esp
+
+ /* return parent fcontext_t */
+ movl %ecx, %eax
+ /* returned data is stored in EDX */
+
+ movl 0x18(%esp), %ecx /* restore EIP */
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%esp) /* restore MMX control- and status-word */
+ fldcw 0x4(%esp) /* restore x87 control-word */
+#endif
+
+ movl 0x8(%esp), %edi /* restore EDI */
+ movl 0xc(%esp), %esi /* restore ESI */
+ movl 0x10(%esp), %ebx /* restore EBX */
+ movl 0x14(%esp), %ebp /* restore EBP */
+
+ leal 0x1c(%esp), %esp /* prepare stack */
+
+ /* jump to context */
+ jmp *%ecx
diff --git a/src/boost/libs/context/src/asm/jump_i386_x86_64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_i386_x86_64_sysv_macho_gas.S
new file mode 100644
index 000000000..959ddac16
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_i386_x86_64_sysv_macho_gas.S
@@ -0,0 +1,16 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__i386__)
+ #include "jump_i386_sysv_macho_gas.S"
+#elif defined(__x86_64__)
+ #include "jump_x86_64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/jump_mips32_o32_elf_gas.S b/src/boost/libs/context/src/asm/jump_mips32_o32_elf_gas.S
new file mode 100644
index 000000000..f2b8034d8
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_mips32_o32_elf_gas.S
@@ -0,0 +1,119 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F20 | F22 | F24 | F26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F28 | F30 | S0 | S1 | S2 | S3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | S4 | S5 | S6 | S7 | FP |hiddn| RA | PC | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | ABI ARGS | GP | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ * *****************************************************/
+
+.file "jump_mips32_o32_elf_gas.S"
+.text
+.globl jump_fcontext
+.align 2
+.type jump_fcontext,@function
+.ent jump_fcontext
+jump_fcontext:
+ # reserve space on stack
+ addiu $sp, $sp, -96
+
+ sw $s0, 48($sp) # save S0
+ sw $s1, 52($sp) # save S1
+ sw $s2, 56($sp) # save S2
+ sw $s3, 60($sp) # save S3
+ sw $s4, 64($sp) # save S4
+ sw $s5, 68($sp) # save S5
+ sw $s6, 72($sp) # save S6
+ sw $s7, 76($sp) # save S7
+ sw $fp, 80($sp) # save FP
+ sw $a0, 84($sp) # save hidden, address of returned transfer_t
+ sw $ra, 88($sp) # save RA
+ sw $ra, 92($sp) # save RA as PC
+
+#if defined(__mips_hard_float)
+ s.d $f20, ($sp) # save F20
+ s.d $f22, 8($sp) # save F22
+ s.d $f24, 16($sp) # save F24
+ s.d $f26, 24($sp) # save F26
+ s.d $f28, 32($sp) # save F28
+ s.d $f30, 40($sp) # save F30
+#endif
+
+ # store SP (pointing to context-data) in A0
+ move $a0, $sp
+
+ # restore SP (pointing to context-data) from A1
+ move $sp, $a1
+
+#if defined(__mips_hard_float)
+ l.d $f20, ($sp) # restore F20
+ l.d $f22, 8($sp) # restore F22
+ l.d $f24, 16($sp) # restore F24
+ l.d $f26, 24($sp) # restore F26
+ l.d $f28, 32($sp) # restore F28
+ l.d $f30, 40($sp) # restore F30
+#endif
+
+ lw $s0, 48($sp) # restore S0
+ lw $s1, 52($sp) # restore S1
+ lw $s2, 56($sp) # restore S2
+ lw $s3, 60($sp) # restore S3
+ lw $s4, 64($sp) # restore S4
+ lw $s5, 68($sp) # restore S5
+ lw $s6, 72($sp) # restore S6
+ lw $s7, 76($sp) # restore S7
+ lw $fp, 80($sp) # restore FP
+ lw $v0, 84($sp) # restore hidden, address of returned transfer_t
+ lw $ra, 88($sp) # restore RA
+
+ # load PC
+ lw $t9, 92($sp)
+
+ # adjust stack
+ addiu $sp, $sp, 96
+
+ # return transfer_t from jump
+ sw $a0, ($v0) # fctx of transfer_t
+ sw $a2, 4($v0) # data of transfer_t
+ # pass transfer_t as first arg in context function
+ # A0 == fctx, A1 == data
+ move $a1, $a2
+
+ # jump to context
+ jr $t9
+.end jump_fcontext
+.size jump_fcontext, .-jump_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_mips64_n64_elf_gas.S b/src/boost/libs/context/src/asm/jump_mips64_n64_elf_gas.S
new file mode 100644
index 000000000..5423dd4c6
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_mips64_n64_elf_gas.S
@@ -0,0 +1,121 @@
+/*
+ Copyright Jiaxun Yang 2018.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 8 | 16 | 24 | *
+ * ------------------------------------------------- *
+ * | F24 | F25 | F26 | F27 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 40 | 48 | 56 | *
+ * ------------------------------------------------- *
+ * | F28 | F29 | F30 | F31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 72 | 80 | 88 | *
+ * ------------------------------------------------- *
+ * | S0 | S1 | S2 | S3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | S4 | S5 | S6 | S7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | FP | GP | RA | PC | *
+ * ------------------------------------------------- *
+ * *
+ * *****************************************************/
+
+.file "jump_mips64_n64_elf_gas.S"
+.text
+.globl jump_fcontext
+.align 3
+.type jump_fcontext,@function
+.ent jump_fcontext
+jump_fcontext:
+ # reserve space on stack
+ daddiu $sp, $sp, -160
+
+ sd $s0, 64($sp) # save S0
+ sd $s1, 72($sp) # save S1
+ sd $s2, 80($sp) # save S2
+ sd $s3, 88($sp) # save S3
+ sd $s4, 96($sp) # save S4
+ sd $s5, 104($sp) # save S5
+ sd $s6, 112($sp) # save S6
+ sd $s7, 120($sp) # save S7
+ sd $fp, 128($sp) # save FP
+ sd $ra, 144($sp) # save RA
+ sd $ra, 152($sp) # save RA as PC
+
+
+ s.d $f24, 0($sp) # save F24
+ s.d $f25, 8($sp) # save F25
+ s.d $f26, 16($sp) # save F26
+ s.d $f27, 24($sp) # save F27
+ s.d $f28, 32($sp) # save F28
+ s.d $f29, 40($sp) # save F29
+ s.d $f30, 48($sp) # save F30
+ s.d $f31, 56($sp) # save F31
+
+ # store SP (pointing to old context-data) in v0 as return
+ move $v0, $sp
+
+ # get SP (pointing to new context-data) from a0 param
+ move $sp, $a0
+
+ l.d $f24, 0($sp) # restore F24
+ l.d $f25, 8($sp) # restore F25
+ l.d $f26, 16($sp) # restore F26
+ l.d $f27, 24($sp) # restore F27
+ l.d $f28, 32($sp) # restore F28
+ l.d $f29, 40($sp) # restore F29
+ l.d $f30, 48($sp) # restore F30
+ l.d $f31, 56($sp) # restore F31
+
+ ld $s0, 64($sp) # restore S0
+ ld $s1, 72($sp) # restore S1
+ ld $s2, 80($sp) # restore S2
+ ld $s3, 88($sp) # restore S3
+ ld $s4, 96($sp) # restore S4
+ ld $s5, 104($sp) # restore S5
+ ld $s6, 112($sp) # restore S6
+ ld $s7, 120($sp) # restore S7
+ ld $fp, 128($sp) # restore FP
+ ld $ra, 144($sp) # restore RAa
+
+ # load PC
+ ld $t9, 152($sp)
+
+ # adjust stack
+ daddiu $sp, $sp, 160
+
+ move $a0, $v0 # move old sp from v0 to a0 as param
+ move $v1, $a1 # move *data from a1 to v1 as return
+
+ # jump to context
+ jr $t9
+.end jump_fcontext
+.size jump_fcontext, .-jump_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_ppc32_ppc64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_ppc32_ppc64_sysv_macho_gas.S
new file mode 100644
index 000000000..f175e3123
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc32_ppc64_sysv_macho_gas.S
@@ -0,0 +1,16 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__ppc__)
+ #include "jump_ppc32_sysv_macho_gas.S"
+#elif defined(__ppc64__)
+ #include "jump_ppc64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/jump_ppc32_sysv_elf_gas.S b/src/boost/libs/context/src/asm/jump_ppc32_sysv_elf_gas.S
new file mode 100644
index 000000000..48e09c935
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc32_sysv_elf_gas.S
@@ -0,0 +1,201 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * |bchai|hiddn| fpscr | PC | CR | R14 | R15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R16 | R17 | R18 | R19 | R20 | R21 | R22 | R23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R24 | R25 | R26 | R27 | R28 | R29 | R30 | R31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------|------------ *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | *
+ * ------------------------|------------ *
+ * | F30 | F31 |bchai| LR | *
+ * ------------------------|------------ *
+ * *
+ *******************************************************/
+
+.file "jump_ppc32_sysv_elf_gas.S"
+.text
+.globl jump_fcontext
+.align 2
+.type jump_fcontext,@function
+jump_fcontext:
+ # Linux: jump_fcontext( hidden transfer_t * R3, R4, R5)
+ # Other: transfer_t R3:R4 = jump_fcontext( R3, R4)
+
+ mflr %r0 # return address from LR
+ mffs %f0 # FPSCR
+ mfcr %r8 # condition register
+
+ stwu %r1, -240(%r1) # allocate stack space, R1 % 16 == 0
+ stw %r0, 244(%r1) # save LR in caller's frame
+
+#ifdef __linux__
+ stw %r3, 4(%r1) # hidden pointer
+#endif
+
+ stfd %f0, 8(%r1) # FPSCR
+ stw %r0, 16(%r1) # LR as PC
+ stw %r8, 20(%r1) # CR
+
+ # Save registers R14 to R31.
+ # Don't change R2, the thread-local storage pointer.
+ # Don't change R13, the small data pointer.
+ stw %r14, 24(%r1)
+ stw %r15, 28(%r1)
+ stw %r16, 32(%r1)
+ stw %r17, 36(%r1)
+ stw %r18, 40(%r1)
+ stw %r19, 44(%r1)
+ stw %r20, 48(%r1)
+ stw %r21, 52(%r1)
+ stw %r22, 56(%r1)
+ stw %r23, 60(%r1)
+ stw %r24, 64(%r1)
+ stw %r25, 68(%r1)
+ stw %r26, 72(%r1)
+ stw %r27, 76(%r1)
+ stw %r28, 80(%r1)
+ stw %r29, 84(%r1)
+ stw %r30, 88(%r1)
+ stw %r31, 92(%r1)
+
+ # Save registers F14 to F31 in slots with 8-byte alignment.
+ # 4-byte alignment may stall the pipeline of some processors.
+ # Less than 4 may cause alignment traps.
+ stfd %f14, 96(%r1)
+ stfd %f15, 104(%r1)
+ stfd %f16, 112(%r1)
+ stfd %f17, 120(%r1)
+ stfd %f18, 128(%r1)
+ stfd %f19, 136(%r1)
+ stfd %f20, 144(%r1)
+ stfd %f21, 152(%r1)
+ stfd %f22, 160(%r1)
+ stfd %f23, 168(%r1)
+ stfd %f24, 176(%r1)
+ stfd %f25, 184(%r1)
+ stfd %f26, 192(%r1)
+ stfd %f27, 200(%r1)
+ stfd %f28, 208(%r1)
+ stfd %f29, 216(%r1)
+ stfd %f30, 224(%r1)
+ stfd %f31, 232(%r1)
+
+ # store RSP (pointing to context-data) in R7/R6
+ # restore RSP (pointing to context-data) from R4/R3
+#ifdef __linux__
+ mr %r7, %r1
+ mr %r1, %r4
+ lwz %r3, 4(%r1) # hidden pointer
+#else
+ mr %r6, %r1
+ mr %r1, %r3
+#endif
+
+ lfd %f0, 8(%r1) # FPSCR
+ lwz %r0, 16(%r1) # PC
+ lwz %r8, 20(%r1) # CR
+
+ mtfsf 0xff, %f0 # restore FPSCR
+ mtctr %r0 # load CTR with PC
+ mtcr %r8 # restore CR
+
+ # restore R14 to R31
+ lwz %r14, 24(%r1)
+ lwz %r15, 28(%r1)
+ lwz %r16, 32(%r1)
+ lwz %r17, 36(%r1)
+ lwz %r18, 40(%r1)
+ lwz %r19, 44(%r1)
+ lwz %r20, 48(%r1)
+ lwz %r21, 52(%r1)
+ lwz %r22, 56(%r1)
+ lwz %r23, 60(%r1)
+ lwz %r24, 64(%r1)
+ lwz %r25, 68(%r1)
+ lwz %r26, 72(%r1)
+ lwz %r27, 76(%r1)
+ lwz %r28, 80(%r1)
+ lwz %r29, 84(%r1)
+ lwz %r30, 88(%r1)
+ lwz %r31, 92(%r1)
+
+ # restore F14 to F31
+ lfd %f14, 96(%r1)
+ lfd %f15, 104(%r1)
+ lfd %f16, 112(%r1)
+ lfd %f17, 120(%r1)
+ lfd %f18, 128(%r1)
+ lfd %f19, 136(%r1)
+ lfd %f20, 144(%r1)
+ lfd %f21, 152(%r1)
+ lfd %f22, 160(%r1)
+ lfd %f23, 168(%r1)
+ lfd %f24, 176(%r1)
+ lfd %f25, 184(%r1)
+ lfd %f26, 192(%r1)
+ lfd %f27, 200(%r1)
+ lfd %f28, 208(%r1)
+ lfd %f29, 216(%r1)
+ lfd %f30, 224(%r1)
+ lfd %f31, 232(%r1)
+
+ # restore LR from caller's frame
+ lwz %r0, 244(%r1)
+ mtlr %r0
+
+ # adjust stack
+ addi %r1, %r1, 240
+
+ # return transfer_t
+#ifdef __linux__
+ stw %r7, 0(%r3)
+ stw %r5, 4(%r3)
+#else
+ mr %r3, %r6
+ # %r4, %r4
+#endif
+
+ # jump to context
+ bctr
+.size jump_fcontext, .-jump_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_ppc32_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_ppc32_sysv_macho_gas.S
new file mode 100644
index 000000000..c555237af
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc32_sysv_macho_gas.S
@@ -0,0 +1,201 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _jump_fcontext
+.align 2
+_jump_fcontext:
+ ; reserve space on stack
+ subi r1, r1, 244
+
+ stfd f14, 0(r1) # save F14
+ stfd f15, 8(r1) # save F15
+ stfd f16, 16(r1) # save F16
+ stfd f17, 24(r1) # save F17
+ stfd f18, 32(r1) # save F18
+ stfd f19, 40(r1) # save F19
+ stfd f20, 48(r1) # save F20
+ stfd f21, 56(r1) # save F21
+ stfd f22, 64(r1) # save F22
+ stfd f23, 72(r1) # save F23
+ stfd f24, 80(r1) # save F24
+ stfd f25, 88(r1) # save F25
+ stfd f26, 96(r1) # save F26
+ stfd f27, 104(r1) # save F27
+ stfd f28, 112(r1) # save F28
+ stfd f29, 120(r1) # save F29
+ stfd f30, 128(r1) # save F30
+ stfd f31, 136(r1) # save F31
+ mffs f0 # load FPSCR
+ stfd f0, 144(r1) # save FPSCR
+
+ stw r13, 152(r1) # save R13
+ stw r14, 156(r1) # save R14
+ stw r15, 160(r1) # save R15
+ stw r16, 164(r1) # save R16
+ stw r17, 168(r1) # save R17
+ stw r18, 172(r1) # save R18
+ stw r19, 176(r1) # save R19
+ stw r20, 180(r1) # save R20
+ stw r21, 184(r1) # save R21
+ stw r22, 188(r1) # save R22
+ stw r23, 192(r1) # save R23
+ stw r24, 196(r1) # save R24
+ stw r25, 200(r1) # save R25
+ stw r26, 204(r1) # save R26
+ stw r27, 208(r1) # save R27
+ stw r28, 212(r1) # save R28
+ stw r29, 216(r1) # save R29
+ stw r30, 220(r1) # save R30
+ stw r31, 224(r1) # save R31
+ stw r3, 228(r1) # save hidden
+
+ # save CR
+ mfcr r0
+ stw r0, 232(r1)
+ # save LR
+ mflr r0
+ stw r0, 236(r1)
+ # save LR as PC
+ stw r0, 240(r1)
+
+ # store RSP (pointing to context-data) in R6
+ mr r6, r1
+
+ # restore RSP (pointing to context-data) from R4
+ mr r1, r4
+
+ lfd f14, 0(r1) # restore F14
+ lfd f15, 8(r1) # restore F15
+ lfd f16, 16(r1) # restore F16
+ lfd f17, 24(r1) # restore F17
+ lfd f18, 32(r1) # restore F18
+ lfd f19, 40(r1) # restore F19
+ lfd f20, 48(r1) # restore F20
+ lfd f21, 56(r1) # restore F21
+ lfd f22, 64(r1) # restore F22
+ lfd f23, 72(r1) # restore F23
+ lfd f24, 80(r1) # restore F24
+ lfd f25, 88(r1) # restore F25
+ lfd f26, 96(r1) # restore F26
+ lfd f27, 104(r1) # restore F27
+ lfd f28, 112(r1) # restore F28
+ lfd f29, 120(r1) # restore F29
+ lfd f30, 128(r1) # restore F30
+ lfd f31, 136(r1) # restore F31
+ lfd f0, 144(r1) # load FPSCR
+ mtfsf 0xff, f0 # restore FPSCR
+
+ lwz r13, 152(r1) # restore R13
+ lwz r14, 156(r1) # restore R14
+ lwz r15, 160(r1) # restore R15
+ lwz r16, 164(r1) # restore R16
+ lwz r17, 168(r1) # restore R17
+ lwz r18, 172(r1) # restore R18
+ lwz r19, 176(r1) # restore R19
+ lwz r20, 180(r1) # restore R20
+ lwz r21, 184(r1) # restore R21
+ lwz r22, 188(r1) # restore R22
+ lwz r23, 192(r1) # restore R23
+ lwz r24, 196(r1) # restore R24
+ lwz r25, 200(r1) # restore R25
+ lwz r26, 204(r1) # restore R26
+ lwz r27, 208(r1) # restore R27
+ lwz r28, 212(r1) # restore R28
+ lwz r29, 216(r1) # restore R29
+ lwz r30, 220(r1) # restore R30
+ lwz r31, 224(r1) # restore R31
+ lwz r3, 228(r1) # restore hidden
+
+ # restore CR
+ lwz r0, 232(r1)
+ mtcr r0
+ # restore LR
+ lwz r0, 236(r1)
+ mtlr r0
+ # load PC
+ lwz r0, 240(r1)
+ # restore CTR
+ mtctr r0
+
+ # adjust stack
+ addi r1, r1, 244
+
+ # return transfer_t
+ stw r6, 0(r3)
+ stw r5, 4(r3)
+
+ # jump to context
+ bctr
diff --git a/src/boost/libs/context/src/asm/jump_ppc32_sysv_xcoff_gas.S b/src/boost/libs/context/src/asm/jump_ppc32_sysv_xcoff_gas.S
new file mode 100644
index 000000000..5a967726a
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc32_sysv_xcoff_gas.S
@@ -0,0 +1,203 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+.globl .jump_fcontext
+.globl jump_fcontext[DS]
+.align 2
+.csect jump_fcontext[DS]
+jump_fcontext:
+ .long .jump_fcontext
+.jump_fcontext:
+ # reserve space on stack
+ subi r1, r1, 244
+
+ stfd f14, 0(r1) # save F14
+ stfd f15, 8(r1) # save F15
+ stfd f16, 16(r1) # save F16
+ stfd f17, 24(r1) # save F17
+ stfd f18, 32(r1) # save F18
+ stfd f19, 40(r1) # save F19
+ stfd f20, 48(r1) # save F20
+ stfd f21, 56(r1) # save F21
+ stfd f22, 64(r1) # save F22
+ stfd f23, 72(r1) # save F23
+ stfd f24, 80(r1) # save F24
+ stfd f25, 88(r1) # save F25
+ stfd f26, 96(r1) # save F26
+ stfd f27, 104(r1) # save F27
+ stfd f28, 112(r1) # save F28
+ stfd f29, 120(r1) # save F29
+ stfd f30, 128(r1) # save F30
+ stfd f31, 136(r1) # save F31
+ mffs f0 # load FPSCR
+ stfd f0, 144(r1) # save FPSCR
+
+ stw r13, 152(r1) # save R13
+ stw r14, 156(r1) # save R14
+ stw r15, 160(r1) # save R15
+ stw r16, 164(r1) # save R16
+ stw r17, 168(r1) # save R17
+ stw r18, 172(r1) # save R18
+ stw r19, 176(r1) # save R19
+ stw r20, 180(r1) # save R20
+ stw r21, 184(r1) # save R21
+ stw r22, 188(r1) # save R22
+ stw r23, 192(r1) # save R23
+ stw r24, 196(r1) # save R24
+ stw r25, 200(r1) # save R25
+ stw r26, 204(r1) # save R26
+ stw r27, 208(r1) # save R27
+ stw r28, 212(r1) # save R28
+ stw r29, 216(r1) # save R29
+ stw r30, 220(r1) # save R30
+ stw r31, 224(r1) # save R31
+ stw r3, 228(r1) # save hidden
+
+ # save CR
+ mfcr r0
+ stw r0, 232(r1)
+ # save LR
+ mflr r0
+ stw r0, 236(r1)
+ # save LR as PC
+ stw r0, 240(r1)
+
+ # store RSP (pointing to context-data) in R6
+ mr r6, r1
+
+ # restore RSP (pointing to context-data) from R4
+ mr r1, r4
+
+ lfd f14, 0(r1) # restore F14
+ lfd f15, 8(r1) # restore F15
+ lfd f16, 16(r1) # restore F16
+ lfd f17, 24(r1) # restore F17
+ lfd f18, 32(r1) # restore F18
+ lfd f19, 40(r1) # restore F19
+ lfd f20, 48(r1) # restore F20
+ lfd f21, 56(r1) # restore F21
+ lfd f22, 64(r1) # restore F22
+ lfd f23, 72(r1) # restore F23
+ lfd f24, 80(r1) # restore F24
+ lfd f25, 88(r1) # restore F25
+ lfd f26, 96(r1) # restore F26
+ lfd f27, 104(r1) # restore F27
+ lfd f28, 112(r1) # restore F28
+ lfd f29, 120(r1) # restore F29
+ lfd f30, 128(r1) # restore F30
+ lfd f31, 136(r1) # restore F31
+ lfd f0, 144(r1) # load FPSCR
+ mtfsf 0xff, f0 # restore FPSCR
+
+ lwz r13, 152(r1) # restore R13
+ lwz r14, 156(r1) # restore R14
+ lwz r15, 160(r1) # restore R15
+ lwz r16, 164(r1) # restore R16
+ lwz r17, 168(r1) # restore R17
+ lwz r18, 172(r1) # restore R18
+ lwz r19, 176(r1) # restore R19
+ lwz r20, 180(r1) # restore R20
+ lwz r21, 184(r1) # restore R21
+ lwz r22, 188(r1) # restore R22
+ lwz r23, 192(r1) # restore R23
+ lwz r24, 196(r1) # restore R24
+ lwz r25, 200(r1) # restore R25
+ lwz r26, 204(r1) # restore R26
+ lwz r27, 208(r1) # restore R27
+ lwz r28, 212(r1) # restore R28
+ lwz r29, 216(r1) # restore R29
+ lwz r30, 220(r1) # restore R30
+ lwz r31, 224(r1) # restore R31
+ lwz r3, 228(r1) # restore hidden
+
+ # restore CR
+ lwz r0, 232(r1)
+ mtcr r0
+ # restore LR
+ lwz r0, 236(r1)
+ mtlr r0
+ # load PC
+ lwz r0, 240(r1)
+ # restore CTR
+ mtctr r0
+
+ # adjust stack
+ addi r1, r1, 244
+
+ # return transfer_t
+ stw r6, 0(r3)
+ stw r5, 4(r3)
+
+ # jump to context
+ bctr
diff --git a/src/boost/libs/context/src/asm/jump_ppc64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/jump_ppc64_sysv_elf_gas.S
new file mode 100644
index 000000000..28907db32
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc64_sysv_elf_gas.S
@@ -0,0 +1,221 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | TOC | R14 | R15 | R16 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R17 | R18 | R19 | R20 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R21 | R22 | R23 | R24 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | R25 | R26 | R27 | R28 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | R29 | R30 | R31 | hidden | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | CR | LR | PC | back-chain| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | cr saved | lr saved | compiler | linker | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | TOC saved | FCTX | DATA | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "jump_ppc64_sysv_elf_gas.S"
+.globl jump_fcontext
+#if _CALL_ELF == 2
+ .text
+ .align 2
+jump_fcontext:
+ addis %r2, %r12, .TOC.-jump_fcontext@ha
+ addi %r2, %r2, .TOC.-jump_fcontext@l
+ .localentry jump_fcontext, . - jump_fcontext
+#else
+ .section ".opd","aw"
+ .align 3
+jump_fcontext:
+# ifdef _CALL_LINUX
+ .quad .L.jump_fcontext,.TOC.@tocbase,0
+ .type jump_fcontext,@function
+ .text
+ .align 2
+.L.jump_fcontext:
+# else
+ .hidden .jump_fcontext
+ .globl .jump_fcontext
+ .quad .jump_fcontext,.TOC.@tocbase,0
+ .size jump_fcontext,24
+ .type .jump_fcontext,@function
+ .text
+ .align 2
+.jump_fcontext:
+# endif
+#endif
+ # reserve space on stack
+ subi %r1, %r1, 184
+
+#if _CALL_ELF != 2
+ std %r2, 0(%r1) # save TOC
+#endif
+ std %r14, 8(%r1) # save R14
+ std %r15, 16(%r1) # save R15
+ std %r16, 24(%r1) # save R16
+ std %r17, 32(%r1) # save R17
+ std %r18, 40(%r1) # save R18
+ std %r19, 48(%r1) # save R19
+ std %r20, 56(%r1) # save R20
+ std %r21, 64(%r1) # save R21
+ std %r22, 72(%r1) # save R22
+ std %r23, 80(%r1) # save R23
+ std %r24, 88(%r1) # save R24
+ std %r25, 96(%r1) # save R25
+ std %r26, 104(%r1) # save R26
+ std %r27, 112(%r1) # save R27
+ std %r28, 120(%r1) # save R28
+ std %r29, 128(%r1) # save R29
+ std %r30, 136(%r1) # save R30
+ std %r31, 144(%r1) # save R31
+#if _CALL_ELF != 2
+ std %r3, 152(%r1) # save hidden
+#endif
+
+ # save CR
+ mfcr %r0
+ std %r0, 160(%r1)
+ # save LR
+ mflr %r0
+ std %r0, 168(%r1)
+ # save LR as PC
+ std %r0, 176(%r1)
+
+ # store RSP (pointing to context-data) in R6
+ mr %r6, %r1
+
+#if _CALL_ELF == 2
+ # restore RSP (pointing to context-data) from R3
+ mr %r1, %r3
+#else
+ # restore RSP (pointing to context-data) from R4
+ mr %r1, %r4
+
+ ld %r2, 0(%r1) # restore TOC
+#endif
+ ld %r14, 8(%r1) # restore R14
+ ld %r15, 16(%r1) # restore R15
+ ld %r16, 24(%r1) # restore R16
+ ld %r17, 32(%r1) # restore R17
+ ld %r18, 40(%r1) # restore R18
+ ld %r19, 48(%r1) # restore R19
+ ld %r20, 56(%r1) # restore R20
+ ld %r21, 64(%r1) # restore R21
+ ld %r22, 72(%r1) # restore R22
+ ld %r23, 80(%r1) # restore R23
+ ld %r24, 88(%r1) # restore R24
+ ld %r25, 96(%r1) # restore R25
+ ld %r26, 104(%r1) # restore R26
+ ld %r27, 112(%r1) # restore R27
+ ld %r28, 120(%r1) # restore R28
+ ld %r29, 128(%r1) # restore R29
+ ld %r30, 136(%r1) # restore R30
+ ld %r31, 144(%r1) # restore R31
+#if _CALL_ELF != 2
+ ld %r3, 152(%r1) # restore hidden
+#endif
+
+ # restore CR
+ ld %r0, 160(%r1)
+ mtcr %r0
+ # restore LR
+ ld %r0, 168(%r1)
+ mtlr %r0
+
+ # load PC
+ ld %r12, 176(%r1)
+ # restore CTR
+ mtctr %r12
+
+ # adjust stack
+ addi %r1, %r1, 184
+
+#if _CALL_ELF == 2
+ # copy transfer_t into transfer_fn arg registers
+ mr %r3, %r6
+ # arg pointer already in %r4
+
+ # jump to context
+ bctr
+ .size jump_fcontext, .-jump_fcontext
+#else
+ # zero in r3 indicates first jump to context-function
+ cmpdi %r3, 0
+ beq use_entry_arg
+
+ # return transfer_t
+ std %r6, 0(%r3)
+ std %r5, 8(%r3)
+
+ # jump to context
+ bctr
+
+use_entry_arg:
+ # copy transfer_t into transfer_fn arg registers
+ mr %r3, %r6
+ mr %r4, %r5
+
+ # jump to context
+ bctr
+# ifdef _CALL_LINUX
+ .size .jump_fcontext, .-.L.jump_fcontext
+# else
+ .size .jump_fcontext, .-.jump_fcontext
+# endif
+#endif
+
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_ppc64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_ppc64_sysv_macho_gas.S
new file mode 100644
index 000000000..74fcb2ab3
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc64_sysv_macho_gas.S
@@ -0,0 +1,164 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | TOC | R14 | R15 | R16 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R17 | R18 | R19 | R20 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R21 | R22 | R23 | R24 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | R25 | R26 | R27 | R28 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | R29 | R30 | R31 | hidden | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | CR | LR | PC | back-chain| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | cr saved | lr saved | compiler | linker | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | TOC saved | FCTX | DATA | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.align 2
+.globl _jump_fcontext
+
+_jump_fcontext:
+ ; reserve space on stack
+ subi r1, r1, 184
+
+ std r14, 8(r1) ; save R14
+ std r15, 16(r1) ; save R15
+ std r16, 24(r1) ; save R16
+ std r17, 32(r1) ; save R17
+ std r18, 40(r1) ; save R18
+ std r19, 48(r1) ; save R19
+ std r20, 56(r1) ; save R20
+ std r21, 64(r1) ; save R21
+ std r22, 72(r1) ; save R22
+ std r23, 80(r1) ; save R23
+ std r24, 88(r1) ; save R24
+ std r25, 96(r1) ; save R25
+ std r26, 104(r1) ; save R26
+ std r27, 112(r1) ; save R27
+ std r28, 120(r1) ; save R28
+ std r29, 128(r1) ; save R29
+ std r30, 136(r1) ; save R30
+ std r31, 144(r1) ; save R31
+ std r3, 152(r1) ; save hidden
+
+ ; save CR
+ mfcr r0
+ std r0, 160(r1)
+ ; save LR
+ mflr r0
+ std r0, 168(r1)
+ ; save LR as PC
+ std r0, 176(r1)
+
+ ; store RSP (pointing to context-data) in R6
+ mr r6, r1
+
+ ; restore RSP (pointing to context-data) from R4
+ mr r1, r4
+
+ ld r14, 8(r1) ; restore R14
+ ld r15, 16(r1) ; restore R15
+ ld r16, 24(r1) ; restore R16
+ ld r17, 32(r1) ; restore R17
+ ld r18, 40(r1) ; restore R18
+ ld r19, 48(r1) ; restore R19
+ ld r20, 56(r1) ; restore R20
+ ld r21, 64(r1) ; restore R21
+ ld r22, 72(r1) ; restore R22
+ ld r23, 80(r1) ; restore R23
+ ld r24, 88(r1) ; restore R24
+ ld r25, 96(r1) ; restore R25
+ ld r26, 104(r1) ; restore R26
+ ld r27, 112(r1) ; restore R27
+ ld r28, 120(r1) ; restore R28
+ ld r29, 128(r1) ; restore R29
+ ld r30, 136(r1) ; restore R30
+ ld r31, 144(r1) ; restore R31
+ ld r3, 152(r1) ; restore hidden
+
+ ; restore CR
+ ld r0, 160(r1)
+ mtcr r0
+ ; restore LR
+ ld r0, 168(r1)
+ mtlr r0
+
+ ; load PC
+ ld r12, 176(r1)
+ # restore CTR
+ mtctr r12
+
+ # adjust stack
+ addi r1, r1, 184
+
+ # zero in r3 indicates first jump to context-function
+ cmpdi r3, 0
+ beq use_entry_arg
+
+ # return transfer_t
+ std r6, 0(r3)
+ std r5, 8(r3)
+
+ # jump to context
+ bctr
+
+use_entry_arg:
+ # copy transfer_t into transfer_fn arg registers
+ mr r3, r6
+ mr r4, r5
+
+ # jump to context
+ bctr
diff --git a/src/boost/libs/context/src/asm/jump_ppc64_sysv_xcoff_gas.S b/src/boost/libs/context/src/asm/jump_ppc64_sysv_xcoff_gas.S
new file mode 100644
index 000000000..ff0e6eaa8
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_ppc64_sysv_xcoff_gas.S
@@ -0,0 +1,92 @@
+
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+.align 2
+.globl .jump_fcontext
+.jump_fcontext:
+ # reserve space on stack
+ subi 1, 1, 184
+
+ std 13, 0(1) # save R13
+ std 14, 8(1) # save R14
+ std 15, 16(1) # save R15
+ std 16, 24(1) # save R16
+ std 17, 32(1) # save R17
+ std 18, 40(1) # save R18
+ std 19, 48(1) # save R19
+ std 20, 56(1) # save R20
+ std 21, 64(1) # save R21
+ std 22, 72(1) # save R22
+ std 23, 80(1) # save R23
+ std 24, 88(1) # save R24
+ std 25, 96(1) # save R25
+ std 26, 104(1) # save R26
+ std 27, 112(1) # save R27
+ std 29, 120(1) # save R28
+ std 29, 128(1) # save R29
+ std 30, 136(1) # save R30
+ std 31, 144(1) # save R31
+ std 3, 152(1) # save hidden
+
+ # save CR
+ mfcr 0
+ std 0, 160(1)
+ # save LR
+ mflr 0
+ std 0, 168(1)
+ # save LR as PC
+ std 0, 176(1)
+
+ # store RSP (pointing to context-data) in R6
+ mr 6, 1
+
+ # restore RSP (pointing to context-data) from R4
+ mr 1, 4
+
+ ld 13, 0(1) # restore R13
+ ld 14, 8(1) # restore R14
+ ld 15, 16(1) # restore R15
+ ld 16, 24(1) # restore R16
+ ld 17, 32(1) # restore R17
+ ld 18, 40(1) # restore R18
+ ld 19, 48(1) # restore R19
+ ld 20, 56(1) # restore R20
+ ld 21, 64(1) # restore R21
+ ld 22, 72(1) # restore R22
+ ld 23, 80(1) # restore R23
+ ld 24, 88(1) # restore R24
+ ld 25, 96(1) # restore R25
+ ld 26, 104(1) # restore R26
+ ld 27, 112(1) # restore R27
+ ld 28, 120(1) # restore R28
+ ld 29, 128(1) # restore R29
+ ld 30, 136(1) # restore R30
+ ld 31, 144(1) # restore R31
+ ld 3, 152(1) # restore hidden
+
+ # restore CR
+ ld 0, 160(1)
+ mtcr 0
+ # restore LR
+ ld 0, 168(1)
+ mtlr 0
+
+ # load PC
+ ld 0, 176(1)
+ # restore CTR
+ mtctr 0
+
+ # adjust stack
+ addi 1, 1, 184
+
+ # return transfer_t
+ std 6, 0(3)
+ std 5, 8(3)
+
+ # jump to context
+ bctr
diff --git a/src/boost/libs/context/src/asm/jump_riscv64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/jump_riscv64_sysv_elf_gas.S
new file mode 100644
index 000000000..5417e5d5e
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_riscv64_sysv_elf_gas.S
@@ -0,0 +1,150 @@
+/*
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | fs0 | fs1 | fs2 | fs3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | fs4 | fs5 | fs6 | fs7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | fs8 | fs9 | fs10 | fs11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | s0 | s1 | s2 | s3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | s4 | s5 | s6 | s7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| 0xb0| 0xb4| 0xb8| 0xbc| *
+ * ------------------------------------------------- *
+ * | s8 | s9 | s10 | s11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | | | | | *
+ * ------------------------------------------------- *
+ * | 0xc0| 0xc4| 0xc8| 0xcc| | | | | *
+ * ------------------------------------------------- *
+ * | ra | pc | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "jump_riscv64_sysv_elf_gas.S"
+.text
+.align 1
+.global jump_fcontext
+.type jump_fcontext, %function
+jump_fcontext:
+ # prepare stack for GP + FPU
+ addi sp, sp, -0xd0
+
+ # save fs0 - fs11
+ fsd fs0, 0x00(sp)
+ fsd fs1, 0x08(sp)
+ fsd fs2, 0x10(sp)
+ fsd fs3, 0x18(sp)
+ fsd fs4, 0x20(sp)
+ fsd fs5, 0x28(sp)
+ fsd fs6, 0x30(sp)
+ fsd fs7, 0x38(sp)
+ fsd fs8, 0x40(sp)
+ fsd fs9, 0x48(sp)
+ fsd fs10, 0x50(sp)
+ fsd fs11, 0x58(sp)
+
+ # save s0-s11, ra
+ sd s0, 0x60(sp)
+ sd s1, 0x68(sp)
+ sd s2, 0x70(sp)
+ sd s3, 0x78(sp)
+ sd s4, 0x80(sp)
+ sd s5, 0x88(sp)
+ sd s6, 0x90(sp)
+ sd s7, 0x98(sp)
+ sd s8, 0xa0(sp)
+ sd s9, 0xa8(sp)
+ sd s10, 0xb0(sp)
+ sd s11, 0xb8(sp)
+ sd ra, 0xc0(sp)
+
+ # save RA as PC
+ sd ra, 0xc8(sp)
+
+ # store SP (pointing to context-data) in A2
+ mv a2, sp
+
+ # restore SP (pointing to context-data) from A0
+ mv sp, a0
+
+ # load fs0 - fs11
+ fld fs0, 0x00(sp)
+ fld fs1, 0x08(sp)
+ fld fs2, 0x10(sp)
+ fld fs3, 0x18(sp)
+ fld fs4, 0x20(sp)
+ fld fs5, 0x28(sp)
+ fld fs6, 0x30(sp)
+ fld fs7, 0x38(sp)
+ fld fs8, 0x40(sp)
+ fld fs9, 0x48(sp)
+ fld fs10, 0x50(sp)
+ fld fs11, 0x58(sp)
+
+ # load s0-s11,ra
+ ld s0, 0x60(sp)
+ ld s1, 0x68(sp)
+ ld s2, 0x70(sp)
+ ld s3, 0x78(sp)
+ ld s4, 0x80(sp)
+ ld s5, 0x88(sp)
+ ld s6, 0x90(sp)
+ ld s7, 0x98(sp)
+ ld s8, 0xa0(sp)
+ ld s9, 0xa8(sp)
+ ld s10, 0xb0(sp)
+ ld s11, 0xb8(sp)
+ ld ra, 0xc0(sp)
+
+ # return transfer_t from jump
+ # pass transfer_t as first arg in context function
+ # a0 == FCTX, a1 == DATA
+ mv a0, a2
+
+ # load pc
+ ld a2, 0xc8(sp)
+
+ # restore stack from GP + FPU
+ addi sp, sp, 0xd0
+
+ jr a2
+.size jump_fcontext,.-jump_fcontext
+# Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_s390x_sysv_elf_gas.S b/src/boost/libs/context/src/asm/jump_s390x_sysv_elf_gas.S
new file mode 100644
index 000000000..c2a578b26
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_s390x_sysv_elf_gas.S
@@ -0,0 +1,156 @@
+/*******************************************************
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 8 | 16 | 24 | *
+ * ------------------------------------------------- *
+ * | t.fctx | t.data | r2 | r6 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 40 | 48 | 56 | *
+ * ------------------------------------------------- *
+ * | r7 | r8 | r9 | r10 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 72 | 80 | 88 | *
+ * ------------------------------------------------- *
+ * | r11 | r12 | r13 | r14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 104 | 112 | 120 | *
+ * ------------------------------------------------- *
+ * | f8 | f9 | f10 | f11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 136 | 144 | 152 | *
+ * ------------------------------------------------- *
+ * | f12 | f13 | f14 | f15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 168 | 176 | | *
+ * ------------------------------------------------- *
+ * | fpc | pc | | | *
+ * ------------------------------------------------- *
+ *******************************************************/
+
+.text
+.align 8
+.global jump_fcontext
+.type jump_fcontext, @function
+
+#define ARG_OFFSET 0
+#define GR_OFFSET 16
+#define FP_OFFSET 96
+#define FPC_OFFSET 160
+#define PC_OFFSET 168
+#define CONTEXT_SIZE 176
+
+#define REG_SAVE_AREA_SIZE 160
+
+/*
+
+typedef void* fcontext_t;
+
+struct transfer_t {
+ fcontext_t fctx;
+ void * data;
+};
+
+transfer_t jump_fcontext( fcontext_t const to,
+ void * data);
+
+Incoming args
+r2 - Hidden argument to the location where the return transfer_t needs to be returned
+r3 - Context we want to switch to
+r4 - Data pointer
+
+*/
+
+jump_fcontext:
+ .machine "z10"
+ /* Reserve stack space to store the current context. */
+ aghi %r15,-CONTEXT_SIZE
+
+ /* Save the argument register holding the location of the return value. */
+ stg %r2,GR_OFFSET(%r15)
+
+ /* Save the call-saved general purpose registers. */
+ stmg %r6,%r14,GR_OFFSET+8(%r15)
+
+ /* Save call-saved floating point registers. */
+ std %f8,FP_OFFSET(%r15)
+ std %f9,FP_OFFSET+8(%r15)
+ std %f10,FP_OFFSET+16(%r15)
+ std %f11,FP_OFFSET+24(%r15)
+ std %f12,FP_OFFSET+32(%r15)
+ std %f13,FP_OFFSET+40(%r15)
+ std %f14,FP_OFFSET+48(%r15)
+ std %f15,FP_OFFSET+56(%r15)
+
+ /* Save the return address as current pc. */
+ stg %r14,PC_OFFSET(%r15)
+
+ /* Save the floating point control register. */
+ stfpc FPC_OFFSET(%r15)
+
+ /* Backup the stack pointer pointing to the old context-data into r1. */
+ lgr %r1,%r15
+
+ /* Load the new context pointer as stack pointer. */
+ lgr %r15,%r3
+
+ /* Restore the call-saved GPRs from the new context. */
+ lmg %r6,%r14,GR_OFFSET+8(%r15)
+
+ /* Restore call-saved floating point registers. */
+ ld %f8,FP_OFFSET(%r15)
+ ld %f9,FP_OFFSET+8(%r15)
+ ld %f10,FP_OFFSET+16(%r15)
+ ld %f11,FP_OFFSET+24(%r15)
+ ld %f12,FP_OFFSET+32(%r15)
+ ld %f13,FP_OFFSET+40(%r15)
+ ld %f14,FP_OFFSET+48(%r15)
+ ld %f15,FP_OFFSET+56(%r15)
+
+ /* Load the floating point control register. */
+ lfpc FPC_OFFSET(%r15)
+
+ /* Restore PC - the location where we will jump to at the end. */
+ lg %r5,PC_OFFSET(%r15)
+
+ ltg %r2,GR_OFFSET(%r15)
+ jnz use_return_slot
+
+ /* We restore a make_fcontext context. Use the function
+ argument slot in the context we just saved and allocate the
+ register save area for the target function. */
+ la %r2,ARG_OFFSET(%r1)
+ aghi %r15,-REG_SAVE_AREA_SIZE
+
+use_return_slot:
+ /* Save the two fields in transfer_t. When calling a
+ make_fcontext function this becomes the function argument of
+ the target function, otherwise it will be the return value of
+ jump_fcontext. */
+ stg %r1,0(%r2)
+ stg %r4,8(%r2)
+
+ /* Free the restored context. */
+ aghi %r15,CONTEXT_SIZE
+
+ /* Jump to the PC loaded from the new context. */
+ br %r5
+
+
+.size jump_fcontext,.-jump_fcontext
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_x86_64_ms_pe_gas.asm b/src/boost/libs/context/src/asm/jump_x86_64_ms_pe_gas.asm
new file mode 100644
index 000000000..ec4ecfe94
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_x86_64_ms_pe_gas.asm
@@ -0,0 +1,209 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Copyright Thomas Sailer 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*************************************************************************************
+* ---------------------------------------------------------------------------------- *
+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc | *
+* ---------------------------------------------------------------------------------- *
+* | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc | *
+* ---------------------------------------------------------------------------------- *
+* | limit | base | R12 | R13 | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc | *
+* ---------------------------------------------------------------------------------- *
+* | R14 | R15 | RDI | RSI | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c | *
+* ---------------------------------------------------------------------------------- *
+* | RBX | RBP | hidden | RIP | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c | *
+* ---------------------------------------------------------------------------------- *
+* | parameter area | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c | *
+* ---------------------------------------------------------------------------------- *
+* | FCTX | DATA | | *
+* ---------------------------------------------------------------------------------- *
+**************************************************************************************/
+
+.file "jump_x86_64_ms_pe_gas.asm"
+.text
+.p2align 4,,15
+.globl jump_fcontext
+.def jump_fcontext; .scl 2; .type 32; .endef
+.seh_proc jump_fcontext
+jump_fcontext:
+.seh_endprologue
+
+ leaq -0x118(%rsp), %rsp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ /* save XMM storage */
+ movaps %xmm6, 0x0(%rsp)
+ movaps %xmm7, 0x10(%rsp)
+ movaps %xmm8, 0x20(%rsp)
+ movaps %xmm9, 0x30(%rsp)
+ movaps %xmm10, 0x40(%rsp)
+ movaps %xmm11, 0x50(%rsp)
+ movaps %xmm12, 0x60(%rsp)
+ movaps %xmm13, 0x70(%rsp)
+ movaps %xmm14, 0x80(%rsp)
+ movaps %xmm15, 0x90(%rsp)
+ stmxcsr 0xa0(%rsp) /* save MMX control- and status-word */
+ fnstcw 0xa4(%rsp) /* save x87 control-word */
+#endif
+
+ /* load NT_TIB */
+ movq %gs:(0x30), %r10
+ /* save fiber local storage */
+ movq 0x20(%r10), %rax
+ movq %rax, 0xb0(%rsp)
+ /* save current deallocation stack */
+ movq 0x1478(%r10), %rax
+ movq %rax, 0xb8(%rsp)
+ /* save current stack limit */
+ movq 0x10(%r10), %rax
+ movq %rax, 0xc0(%rsp)
+ /* save current stack base */
+ movq 0x08(%r10), %rax
+ movq %rax, 0xc8(%rsp)
+
+ movq %r12, 0xd0(%rsp) /* save R12 */
+ movq %r13, 0xd8(%rsp) /* save R13 */
+ movq %r14, 0xe0(%rsp) /* save R14 */
+ movq %r15, 0xe8(%rsp) /* save R15 */
+ movq %rdi, 0xf0(%rsp) /* save RDI */
+ movq %rsi, 0xf8(%rsp) /* save RSI */
+ movq %rbx, 0x100(%rsp) /* save RBX */
+ movq %rbp, 0x108(%rsp) /* save RBP */
+
+ movq %rcx, 0x110(%rsp) /* save hidden address of transport_t */
+
+ /* preserve RSP (pointing to context-data) in R9 */
+ movq %rsp, %r9
+
+ /* restore RSP (pointing to context-data) from RDX */
+ movq %rdx, %rsp
+
+#if !defined(BOOST_USE_TSX)
+ /* restore XMM storage */
+ movaps 0x0(%rsp), %xmm6
+ movaps 0x10(%rsp), %xmm7
+ movaps 0x20(%rsp), %xmm8
+ movaps 0x30(%rsp), %xmm9
+ movaps 0x40(%rsp), %xmm10
+ movaps 0x50(%rsp), %xmm11
+ movaps 0x60(%rsp), %xmm12
+ movaps 0x70(%rsp), %xmm13
+ movaps 0x80(%rsp), %xmm14
+ movaps 0x90(%rsp), %xmm15
+ ldmxcsr 0xa0(%rsp) /* restore MMX control- and status-word */
+ fldcw 0xa4(%rsp) /* restore x87 control-word */
+#endif
+
+ /* load NT_TIB */
+ movq %gs:(0x30), %r10
+ /* restore fiber local storage */
+ movq 0xb0(%rsp), %rax
+ movq %rax, 0x20(%r10)
+ /* restore current deallocation stack */
+ movq 0xb8(%rsp), %rax
+ movq %rax, 0x1478(%r10)
+ /* restore current stack limit */
+ movq 0xc0(%rsp), %rax
+ movq %rax, 0x10(%r10)
+ /* restore current stack base */
+ movq 0xc8(%rsp), %rax
+ movq %rax, 0x08(%r10)
+
+ movq 0xd0(%rsp), %r12 /* restore R12 */
+ movq 0xd8(%rsp), %r13 /* restore R13 */
+ movq 0xe0(%rsp), %r14 /* restore R14 */
+ movq 0xe8(%rsp), %r15 /* restore R15 */
+ movq 0xf0(%rsp), %rdi /* restore RDI */
+ movq 0xf8(%rsp), %rsi /* restore RSI */
+ movq 0x100(%rsp), %rbx /* restore RBX */
+ movq 0x108(%rsp), %rbp /* restore RBP */
+
+ movq 0x110(%rsp), %rax /* restore hidden address of transport_t */
+
+ leaq 0x118(%rsp), %rsp /* prepare stack */
+
+ /* restore return-address */
+ popq %r10
+
+ /* transport_t returned in RAX */
+ /* return parent fcontext_t */
+ movq %r9, 0x0(%rax)
+ /* return data */
+ movq %r8, 0x8(%rax)
+
+ /* transport_t as 1.arg of context-function */
+ movq %rax, %rcx
+
+ /* indirect jump to context */
+ jmp *%r10
+.seh_endproc
+
+.section .drectve
+.ascii " -export:\"jump_fcontext\""
diff --git a/src/boost/libs/context/src/asm/jump_x86_64_ms_pe_masm.asm b/src/boost/libs/context/src/asm/jump_x86_64_ms_pe_masm.asm
new file mode 100644
index 000000000..c8a28a558
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_x86_64_ms_pe_masm.asm
@@ -0,0 +1,205 @@
+
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+
+; ----------------------------------------------------------------------------------
+; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+; ----------------------------------------------------------------------------------
+; | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+; ----------------------------------------------------------------------------------
+; | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
+; ----------------------------------------------------------------------------------
+; | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
+; ----------------------------------------------------------------------------------
+; | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 |
+; ----------------------------------------------------------------------------------
+; | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 |
+; ----------------------------------------------------------------------------------
+; | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc |
+; ----------------------------------------------------------------------------------
+; | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 |
+; ----------------------------------------------------------------------------------
+; | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc |
+; ----------------------------------------------------------------------------------
+; | limit | base | R12 | R13 |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 |
+; ----------------------------------------------------------------------------------
+; | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc |
+; ----------------------------------------------------------------------------------
+; | R14 | R15 | RDI | RSI |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
+; ----------------------------------------------------------------------------------
+; | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c |
+; ----------------------------------------------------------------------------------
+; | RBX | RBP | hidden | RIP |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 |
+; ----------------------------------------------------------------------------------
+; | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c |
+; ----------------------------------------------------------------------------------
+; | parameter area |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 |
+; ----------------------------------------------------------------------------------
+; | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c |
+; ----------------------------------------------------------------------------------
+; | FCTX | DATA | |
+; ----------------------------------------------------------------------------------
+
+.code
+
+jump_fcontext PROC BOOST_CONTEXT_EXPORT FRAME
+ .endprolog
+
+ ; prepare stack
+ lea rsp, [rsp-0118h]
+
+IFNDEF BOOST_USE_TSX
+ ; save XMM storage
+ movaps [rsp], xmm6
+ movaps [rsp+010h], xmm7
+ movaps [rsp+020h], xmm8
+ movaps [rsp+030h], xmm9
+ movaps [rsp+040h], xmm10
+ movaps [rsp+050h], xmm11
+ movaps [rsp+060h], xmm12
+ movaps [rsp+070h], xmm13
+ movaps [rsp+080h], xmm14
+ movaps [rsp+090h], xmm15
+ ; save MMX control- and status-word
+ stmxcsr [rsp+0a0h]
+ ; save x87 control-word
+ fnstcw [rsp+0a4h]
+ENDIF
+
+ ; load NT_TIB
+ mov r10, gs:[030h]
+ ; save fiber local storage
+ mov rax, [r10+020h]
+ mov [rsp+0b0h], rax
+ ; save current deallocation stack
+ mov rax, [r10+01478h]
+ mov [rsp+0b8h], rax
+ ; save current stack limit
+ mov rax, [r10+010h]
+ mov [rsp+0c0h], rax
+ ; save current stack base
+ mov rax, [r10+08h]
+ mov [rsp+0c8h], rax
+
+ mov [rsp+0d0h], r12 ; save R12
+ mov [rsp+0d8h], r13 ; save R13
+ mov [rsp+0e0h], r14 ; save R14
+ mov [rsp+0e8h], r15 ; save R15
+ mov [rsp+0f0h], rdi ; save RDI
+ mov [rsp+0f8h], rsi ; save RSI
+ mov [rsp+0100h], rbx ; save RBX
+ mov [rsp+0108h], rbp ; save RBP
+
+ mov [rsp+0110h], rcx ; save hidden address of transport_t
+
+ ; preserve RSP (pointing to context-data) in R9
+ mov r9, rsp
+
+ ; restore RSP (pointing to context-data) from RDX
+ mov rsp, rdx
+
+IFNDEF BOOST_USE_TSX
+ ; restore XMM storage
+ movaps xmm6, [rsp]
+ movaps xmm7, [rsp+010h]
+ movaps xmm8, [rsp+020h]
+ movaps xmm9, [rsp+030h]
+ movaps xmm10, [rsp+040h]
+ movaps xmm11, [rsp+050h]
+ movaps xmm12, [rsp+060h]
+ movaps xmm13, [rsp+070h]
+ movaps xmm14, [rsp+080h]
+ movaps xmm15, [rsp+090h]
+ ; restore MMX control- and status-word
+ ldmxcsr [rsp+0a0h]
+ ; save x87 control-word
+ fldcw [rsp+0a4h]
+ENDIF
+
+ ; load NT_TIB
+ mov r10, gs:[030h]
+ ; restore fiber local storage
+ mov rax, [rsp+0b0h]
+ mov [r10+020h], rax
+ ; restore current deallocation stack
+ mov rax, [rsp+0b8h]
+ mov [r10+01478h], rax
+ ; restore current stack limit
+ mov rax, [rsp+0c0h]
+ mov [r10+010h], rax
+ ; restore current stack base
+ mov rax, [rsp+0c8h]
+ mov [r10+08h], rax
+
+ mov r12, [rsp+0d0h] ; restore R12
+ mov r13, [rsp+0d8h] ; restore R13
+ mov r14, [rsp+0e0h] ; restore R14
+ mov r15, [rsp+0e8h] ; restore R15
+ mov rdi, [rsp+0f0h] ; restore RDI
+ mov rsi, [rsp+0f8h] ; restore RSI
+ mov rbx, [rsp+0100h] ; restore RBX
+ mov rbp, [rsp+0108h] ; restore RBP
+
+ mov rax, [rsp+0110h] ; restore hidden address of transport_t
+
+ ; prepare stack
+ lea rsp, [rsp+0118h]
+
+ ; load return-address
+ pop r10
+
+ ; transport_t returned in RAX
+ ; return parent fcontext_t
+ mov [rax], r9
+ ; return data
+ mov [rax+08h], r8
+
+ ; transport_t as 1.arg of context-function
+ mov rcx, rax
+
+ ; indirect jump to context
+ jmp r10
+jump_fcontext ENDP
+END
diff --git a/src/boost/libs/context/src/asm/jump_x86_64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/jump_x86_64_sysv_elf_gas.S
new file mode 100644
index 000000000..d0defc43e
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_x86_64_sysv_elf_gas.S
@@ -0,0 +1,81 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| R12 | R13 | R14 | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+ * ---------------------------------------------------------------------------------- *
+ * | R15 | RBX | RBP | RIP | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.file "jump_x86_64_sysv_elf_gas.S"
+.text
+.globl jump_fcontext
+.type jump_fcontext,@function
+.align 16
+jump_fcontext:
+ leaq -0x38(%rsp), %rsp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%rsp) /* save MMX control- and status-word */
+ fnstcw 0x4(%rsp) /* save x87 control-word */
+#endif
+
+ movq %r12, 0x8(%rsp) /* save R12 */
+ movq %r13, 0x10(%rsp) /* save R13 */
+ movq %r14, 0x18(%rsp) /* save R14 */
+ movq %r15, 0x20(%rsp) /* save R15 */
+ movq %rbx, 0x28(%rsp) /* save RBX */
+ movq %rbp, 0x30(%rsp) /* save RBP */
+
+ /* store RSP (pointing to context-data) in RAX */
+ movq %rsp, %rax
+
+ /* restore RSP (pointing to context-data) from RDI */
+ movq %rdi, %rsp
+
+ movq 0x38(%rsp), %r8 /* restore return-address */
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%rsp) /* restore MMX control- and status-word */
+ fldcw 0x4(%rsp) /* restore x87 control-word */
+#endif
+
+ movq 0x8(%rsp), %r12 /* restore R12 */
+ movq 0x10(%rsp), %r13 /* restore R13 */
+ movq 0x18(%rsp), %r14 /* restore R14 */
+ movq 0x20(%rsp), %r15 /* restore R15 */
+ movq 0x28(%rsp), %rbx /* restore RBX */
+ movq 0x30(%rsp), %rbp /* restore RBP */
+
+ leaq 0x40(%rsp), %rsp /* prepare stack */
+
+ /* return transfer_t from jump */
+ /* RAX == fctx, RDX == data */
+ movq %rsi, %rdx
+ /* pass transfer_t as first arg in context function */
+ /* RDI == fctx, RSI == data */
+ movq %rax, %rdi
+
+ /* indirect jump to context */
+ jmp *%r8
+.size jump_fcontext,.-jump_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/jump_x86_64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/jump_x86_64_sysv_macho_gas.S
new file mode 100644
index 000000000..afc3e5c12
--- /dev/null
+++ b/src/boost/libs/context/src/asm/jump_x86_64_sysv_macho_gas.S
@@ -0,0 +1,75 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| R12 | R13 | R14 | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+ * ---------------------------------------------------------------------------------- *
+ * | R15 | RBX | RBP | RIP | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.text
+.globl _jump_fcontext
+.align 8
+_jump_fcontext:
+ leaq -0x38(%rsp), %rsp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%rsp) /* save MMX control- and status-word */
+ fnstcw 0x4(%rsp) /* save x87 control-word */
+#endif
+
+ movq %r12, 0x8(%rsp) /* save R12 */
+ movq %r13, 0x10(%rsp) /* save R13 */
+ movq %r14, 0x18(%rsp) /* save R14 */
+ movq %r15, 0x20(%rsp) /* save R15 */
+ movq %rbx, 0x28(%rsp) /* save RBX */
+ movq %rbp, 0x30(%rsp) /* save RBP */
+
+ /* store RSP (pointing to context-data) in RAX */
+ movq %rsp, %rax
+
+ /* restore RSP (pointing to context-data) from RDI */
+ movq %rdi, %rsp
+
+ movq 0x38(%rsp), %r8 /* restore return-address */
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%rsp) /* restore MMX control- and status-word */
+ fldcw 0x4(%rsp) /* restore x87 control-word */
+#endif
+
+ movq 0x8(%rsp), %r12 /* restore R12 */
+ movq 0x10(%rsp), %r13 /* restore R13 */
+ movq 0x18(%rsp), %r14 /* restore R14 */
+ movq 0x20(%rsp), %r15 /* restore R15 */
+ movq 0x28(%rsp), %rbx /* restore RBX */
+ movq 0x30(%rsp), %rbp /* restore RBP */
+
+ leaq 0x40(%rsp), %rsp /* prepare stack */
+
+ /* return transfer_t from jump */
+ /* RAX == fctx, RDX == data */
+ movq %rsi, %rdx
+ /* pass transfer_t as first arg in context function */
+ /* RDI == fctx, RSI == data */
+ movq %rax, %rdi
+
+ /* indirect jump to context */
+ jmp *%r8
diff --git a/src/boost/libs/context/src/asm/make_arm64_aapcs_elf_gas.S b/src/boost/libs/context/src/asm/make_arm64_aapcs_elf_gas.S
new file mode 100644
index 000000000..66cfb2da1
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_arm64_aapcs_elf_gas.S
@@ -0,0 +1,85 @@
+/*
+ Copyright Edward Nevill + Oliver Kowalke 2015
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | d8 | d9 | d10 | d11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | d12 | d13 | d14 | d15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | x19 | x20 | x21 | x22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | x23 | x24 | x25 | x26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | x27 | x28 | FP | LR | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | | | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| | | *
+ * ------------------------------------------------- *
+ * | PC | align | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "make_arm64_aapcs_elf_gas.S"
+.text
+.align 2
+.global make_fcontext
+.type make_fcontext, %function
+make_fcontext:
+ # shift address in x0 (allocated stack) to lower 16 byte boundary
+ and x0, x0, ~0xF
+
+ # reserve space for context-data on context-stack
+ sub x0, x0, #0xb0
+
+ # third arg of make_fcontext() == address of context-function
+ # store address as a PC to jump in
+ str x2, [x0, #0xa0]
+
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns (LR register)
+ adr x1, finish
+ str x1, [x0, #0x98]
+
+ ret x30 // return pointer to context-data (x0)
+
+finish:
+ # exit code is zero
+ mov x0, #0
+ # exit application
+ bl _exit
+
+.size make_fcontext,.-make_fcontext
+# Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_arm64_aapcs_macho_gas.S b/src/boost/libs/context/src/asm/make_arm64_aapcs_macho_gas.S
new file mode 100644
index 000000000..a3716ff08
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_arm64_aapcs_macho_gas.S
@@ -0,0 +1,88 @@
+/*
+ Copyright Edward Nevill + Oliver Kowalke 2015
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | d8 | d9 | d10 | d11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | d12 | d13 | d14 | d15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | x19 | x20 | x21 | x22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | x23 | x24 | x25 | x26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | x27 | x28 | FP | LR | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | | | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| | | *
+ * ------------------------------------------------- *
+ * | PC | align | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _make_fcontext
+.balign 16
+
+_make_fcontext:
+ ; shift address in x0 (allocated stack) to lower 16 byte boundary
+ and x0, x0, ~0xF
+
+ ; reserve space for context-data on context-stack
+ sub x0, x0, #0xb0
+
+ ; third arg of make_fcontext() == address of context-function
+ ; store address as a PC to jump in
+ str x2, [x0, #0xa0]
+
+ ; compute abs address of label finish
+ ; 0x0c = 3 instructions * size (4) before label 'finish'
+
+ ; TODO: Numeric offset since llvm still does not support labels in ADR. Fix:
+ ; http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20140407/212336.html
+ adr x1, 0x0c
+
+ ; save address of finish as return-address for context-function
+ ; will be entered after context-function returns (LR register)
+ str x1, [x0, #0x98]
+
+ ret lr ; return pointer to context-data (x0)
+
+finish:
+ ; exit code is zero
+ mov x0, #0
+ ; exit application
+ bl __exit
+
+
diff --git a/src/boost/libs/context/src/asm/make_arm_aapcs_elf_gas.S b/src/boost/libs/context/src/asm/make_arm_aapcs_elf_gas.S
new file mode 100644
index 000000000..98ae64b43
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_arm_aapcs_elf_gas.S
@@ -0,0 +1,81 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | s16 | s17 | s18 | s19 | s20 | s21 | s22 | s23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | s24 | s25 | s26 | s27 | s28 | s29 | s30 | s31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * |hiddn| v1 | v2 | v3 | v4 | v5 | v6 | v7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | v8 | lr | pc | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "make_arm_aapcs_elf_gas.S"
+.text
+.globl make_fcontext
+.align 2
+.type make_fcontext,%function
+.syntax unified
+make_fcontext:
+ @ shift address in A1 to lower 16 byte boundary
+ bic a1, a1, #15
+
+ @ reserve space for context-data on context-stack
+ sub a1, a1, #124
+
+ @ third arg of make_fcontext() == address of context-function
+ str a3, [a1, #104]
+
+ @ compute address of returned transfer_t
+ add a2, a1, #108
+ mov a3, a2
+ str a3, [a1, #64]
+
+ @ compute abs address of label finish
+ adr a2, finish
+ @ save address of finish as return-address for context-function
+ @ will be entered after context-function returns
+ str a2, [a1, #100]
+
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+#endif
+
+ bx lr @ return pointer to context-data
+
+finish:
+ @ exit code is zero
+ mov a1, #0
+ @ exit application
+ bl _exit@PLT
+.size make_fcontext,.-make_fcontext
+
+@ Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_arm_aapcs_macho_gas.S b/src/boost/libs/context/src/asm/make_arm_aapcs_macho_gas.S
new file mode 100644
index 000000000..c909ae9d4
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_arm_aapcs_macho_gas.S
@@ -0,0 +1,71 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | s16 | s17 | s18 | s19 | s20 | s21 | s22 | s23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | s24 | s25 | s26 | s27 | s28 | s29 | s30 | s31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | sjlj|hiddn| v1 | v2 | v3 | v4 | v5 | v6 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | v7 | v8 | lr | pc | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _make_fcontext
+.align 2
+_make_fcontext:
+ @ shift address in A1 to lower 16 byte boundary
+ bic a1, a1, #15
+
+ @ reserve space for context-data on context-stack
+ sub a1, a1, #124
+
+ @ third arg of make_fcontext() == address of context-function
+ str a3, [a1, #108]
+
+ @ compute address of returned transfer_t
+ add a2, a1, #112
+ mov a3, a2
+ str a3, [a1, #68]
+
+ @ compute abs address of label finish
+ adr a2, finish
+ @ save address of finish as return-address for context-function
+ @ will be entered after context-function returns
+ str a2, [a1, #104]
+
+ bx lr @ return pointer to context-data
+
+finish:
+ @ exit code is zero
+ mov a1, #0
+ @ exit application
+ bl __exit
diff --git a/src/boost/libs/context/src/asm/make_arm_aapcs_pe_armasm.asm b/src/boost/libs/context/src/asm/make_arm_aapcs_pe_armasm.asm
new file mode 100644
index 000000000..27cbfb082
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_arm_aapcs_pe_armasm.asm
@@ -0,0 +1,77 @@
+;/*
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+;*/
+
+; *******************************************************
+; * *
+; * ------------------------------------------------- *
+; * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+; * ------------------------------------------------- *
+; * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+; * ------------------------------------------------- *
+; * |deall|limit| base|hiddn| v1 | v2 | v3 | v4 | *
+; * ------------------------------------------------- *
+; * ------------------------------------------------- *
+; * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+; * ------------------------------------------------- *
+; * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+; * ------------------------------------------------- *
+; * | v5 | v6 | v7 | v8 | lr | pc | FCTX| DATA| *
+; * ------------------------------------------------- *
+; * *
+; *******************************************************
+
+
+ AREA |.text|, CODE
+ ALIGN 4
+ EXPORT make_fcontext
+ IMPORT _exit
+
+make_fcontext PROC
+ ; first arg of make_fcontext() == top of context-stack
+ ; save top of context-stack (base) A4
+ mov a4, a1
+
+ ; shift address in A1 to lower 16 byte boundary
+ bic a1, a1, #0x0f
+
+ ; reserve space for context-data on context-stack
+ sub a1, a1, #0x48
+
+ ; save top address of context_stack as 'base'
+ str a4, [a1, #0x8]
+ ; second arg of make_fcontext() == size of context-stack
+ ; compute bottom address of context-stack (limit)
+ sub a4, a4, a2
+ ; save bottom address of context-stack as 'limit'
+ str a4, [a1, #0x4]
+ ; save bottom address of context-stack as 'dealloction stack'
+ str a4, [a1, #0x0]
+
+ ; third arg of make_fcontext() == address of context-function
+ str a3, [a1, #0x34]
+
+ ; compute address of returned transfer_t
+ add a2, a1, #0x38
+ mov a3, a2
+ str a3, [a1, #0xc]
+
+ ; compute abs address of label finish
+ adr a2, finish
+ ; save address of finish as return-address for context-function
+ ; will be entered after context-function returns
+ str a2, [a1, #0x30]
+
+ bx lr ; return pointer to context-data
+
+finish
+ ; exit code is zero
+ mov a1, #0
+ ; exit application
+ bl _exit
+
+ ENDP
+ END
diff --git a/src/boost/libs/context/src/asm/make_combined_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_combined_sysv_macho_gas.S
new file mode 100644
index 000000000..727e9045f
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_combined_sysv_macho_gas.S
@@ -0,0 +1,20 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__i386__)
+ #include "make_i386_sysv_macho_gas.S"
+#elif defined(__x86_64__)
+ #include "make_x86_64_sysv_macho_gas.S"
+#elif defined(__ppc__)
+ #include "make_ppc32_sysv_macho_gas.S"
+#elif defined(__ppc64__)
+ #include "make_ppc64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/make_i386_ms_pe_gas.asm b/src/boost/libs/context/src/asm/make_i386_ms_pe_gas.asm
new file mode 100644
index 000000000..10277bb5f
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_i386_ms_pe_gas.asm
@@ -0,0 +1,153 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Copyright Thomas Sailer 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*************************************************************************************
+* --------------------------------------------------------------------------------- *
+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+* --------------------------------------------------------------------------------- *
+* | 0h | 04h | 08h | 0ch | 010h | 014h | 018h | 01ch | *
+* --------------------------------------------------------------------------------- *
+* | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo| limit | base | fc_seh | EDI | *
+* --------------------------------------------------------------------------------- *
+* --------------------------------------------------------------------------------- *
+* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+* --------------------------------------------------------------------------------- *
+* | 020h | 024h | 028h | 02ch | 030h | 034h | 038h | 03ch | *
+* --------------------------------------------------------------------------------- *
+* | ESI | EBX | EBP | EIP | to | data | EH NXT |SEH HNDLR| *
+* --------------------------------------------------------------------------------- *
+**************************************************************************************/
+
+.file "make_i386_ms_pe_gas.asm"
+.text
+.p2align 4,,15
+
+/* mark as using no unregistered SEH handlers */
+.globl @feat.00
+.def @feat.00; .scl 3; .type 0; .endef
+.set @feat.00, 1
+
+.globl _make_fcontext
+.def _make_fcontext; .scl 2; .type 32; .endef
+_make_fcontext:
+ /* first arg of make_fcontext() == top of context-stack */
+ movl 0x04(%esp), %eax
+
+ /* reserve space for first argument of context-function */
+ /* EAX might already point to a 16byte border */
+ leal -0x8(%eax), %eax
+
+ /* shift address in EAX to lower 16 byte boundary */
+ andl $-16, %eax
+
+ /* reserve space for context-data on context-stack */
+ /* size for fc_mxcsr .. EIP + return-address for context-function */
+ /* on context-function entry: (ESP -0x4) % 8 == 0 */
+ /* additional space is required for SEH */
+ leal -0x40(%eax), %eax
+
+ /* save MMX control- and status-word */
+ stmxcsr (%eax)
+ /* save x87 control-word */
+ fnstcw 0x4(%eax)
+
+ /* first arg of make_fcontext() == top of context-stack */
+ movl 0x4(%esp), %ecx
+ /* save top address of context stack as 'base' */
+ movl %ecx, 0x14(%eax)
+ /* second arg of make_fcontext() == size of context-stack */
+ movl 0x8(%esp), %edx
+ /* negate stack size for LEA instruction (== substraction) */
+ negl %edx
+ /* compute bottom address of context stack (limit) */
+ leal (%ecx,%edx), %ecx
+ /* save bottom address of context-stack as 'limit' */
+ movl %ecx, 0x10(%eax)
+ /* save bottom address of context-stack as 'dealloction stack' */
+ movl %ecx, 0xc(%eax)
+ /* set fiber-storage to zero */
+ xorl %ecx, %ecx
+ movl %ecx, 0x8(%eax)
+
+ /* third arg of make_fcontext() == address of context-function */
+ /* stored in EBX */
+ movl 0xc(%esp), %ecx
+ movl %ecx, 0x24(%eax)
+
+ /* compute abs address of label trampoline */
+ movl $trampoline, %ecx
+ /* save address of trampoline as return-address for context-function */
+ /* will be entered after calling jump_fcontext() first time */
+ movl %ecx, 0x2c(%eax)
+
+ /* compute abs address of label finish */
+ movl $finish, %ecx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after context-function returns */
+ movl %ecx, 0x28(%eax)
+
+ /* traverse current seh chain to get the last exception handler installed by Windows */
+ /* note that on Windows Server 2008 and 2008 R2, SEHOP is activated by default */
+ /* the exception handler chain is tested for the presence of ntdll.dll!FinalExceptionHandler */
+ /* at its end by RaiseException all seh andlers are disregarded if not present and the */
+ /* program is aborted */
+ /* load NT_TIB into ECX */
+ movl %fs:(0x0), %ecx
+
+walk:
+ /* load 'next' member of current SEH into EDX */
+ movl (%ecx), %edx
+ /* test if 'next' of current SEH is last (== 0xffffffff) */
+ incl %edx
+ jz found
+ decl %edx
+ /* exchange content; ECX contains address of next SEH */
+ xchgl %ecx, %edx
+ /* inspect next SEH */
+ jmp walk
+
+found:
+ /* load 'handler' member of SEH == address of last SEH handler installed by Windows */
+ movl 0x04(%ecx), %ecx
+ /* save address in ECX as SEH handler for context */
+ movl %ecx, 0x3c(%eax)
+ /* set ECX to -1 */
+ movl $0xffffffff, %ecx
+ /* save ECX as next SEH item */
+ movl %ecx, 0x38(%eax)
+ /* load address of next SEH item */
+ leal 0x38(%eax), %ecx
+ /* save next SEH */
+ movl %ecx, 0x18(%eax)
+
+ /* return pointer to context-data */
+ ret
+
+trampoline:
+ /* move transport_t for entering context-function */
+ /* FCTX == EAX, DATA == EDX */
+ movl %eax, (%esp)
+ movl %edx, 0x4(%esp)
+ /* label finish as return-address */
+ pushl %ebp
+ /* jump to context-function */
+ jmp *%ebx
+
+finish:
+ /* ESP points to same address as ESP on entry of context function + 0x4 */
+ xorl %eax, %eax
+ /* exit code is zero */
+ movl %eax, (%esp)
+ /* exit application */
+ call __exit
+ hlt
+
+.def __exit; .scl 2; .type 32; .endef /* standard C library function */
+
+.section .drectve
+.ascii " -export:\"_make_fcontext\""
diff --git a/src/boost/libs/context/src/asm/make_i386_ms_pe_masm.asm b/src/boost/libs/context/src/asm/make_i386_ms_pe_masm.asm
new file mode 100644
index 000000000..5246465cb
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_i386_ms_pe_masm.asm
@@ -0,0 +1,140 @@
+
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+
+; ---------------------------------------------------------------------------------
+; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+; ---------------------------------------------------------------------------------
+; | 0h | 04h | 08h | 0ch | 010h | 014h | 018h | 01ch |
+; ---------------------------------------------------------------------------------
+; | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo| limit | base | fc_seh | EDI |
+; ---------------------------------------------------------------------------------
+; ---------------------------------------------------------------------------------
+; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+; ---------------------------------------------------------------------------------
+; | 020h | 024h | 028h | 02ch | 030h | 034h | 038h | 03ch |
+; ---------------------------------------------------------------------------------
+; | ESI | EBX | EBP | EIP | to | data | EH NXT |SEH HNDLR|
+; ---------------------------------------------------------------------------------
+
+.386
+.XMM
+.model flat, c
+; standard C library function
+_exit PROTO, value:SDWORD
+.code
+
+make_fcontext PROC BOOST_CONTEXT_EXPORT
+ ; first arg of make_fcontext() == top of context-stack
+ mov eax, [esp+04h]
+
+ ; reserve space for first argument of context-function
+ ; EAX might already point to a 16byte border
+ lea eax, [eax-08h]
+
+ ; shift address in EAX to lower 16 byte boundary
+ and eax, -16
+
+ ; reserve space for context-data on context-stack
+ ; on context-function entry: (ESP -0x4) % 8 == 0
+ ; additional space is required for SEH
+ lea eax, [eax-040h]
+
+ ; save MMX control- and status-word
+ stmxcsr [eax]
+ ; save x87 control-word
+ fnstcw [eax+04h]
+
+ ; first arg of make_fcontext() == top of context-stack
+ mov ecx, [esp+04h]
+ ; save top address of context stack as 'base'
+ mov [eax+014h], ecx
+ ; second arg of make_fcontext() == size of context-stack
+ mov edx, [esp+08h]
+ ; negate stack size for LEA instruction (== substraction)
+ neg edx
+ ; compute bottom address of context stack (limit)
+ lea ecx, [ecx+edx]
+ ; save bottom address of context-stack as 'limit'
+ mov [eax+010h], ecx
+ ; save bottom address of context-stack as 'dealloction stack'
+ mov [eax+0ch], ecx
+ ; set fiber-storage to zero
+ xor ecx, ecx
+ mov [eax+08h], ecx
+
+ ; third arg of make_fcontext() == address of context-function
+ ; stored in EBX
+ mov ecx, [esp+0ch]
+ mov [eax+024h], ecx
+
+ ; compute abs address of label trampoline
+ mov ecx, trampoline
+ ; save address of trampoline as return-address for context-function
+ ; will be entered after calling jump_fcontext() first time
+ mov [eax+02ch], ecx
+
+ ; compute abs address of label finish
+ mov ecx, finish
+ ; save address of finish as return-address for context-function in EBP
+ ; will be entered after context-function returns
+ mov [eax+028h], ecx
+
+ ; traverse current seh chain to get the last exception handler installed by Windows
+ ; note that on Windows Server 2008 and 2008 R2, SEHOP is activated by default
+ ; the exception handler chain is tested for the presence of ntdll.dll!FinalExceptionHandler
+ ; at its end by RaiseException all seh-handlers are disregarded if not present and the
+ ; program is aborted
+ assume fs:nothing
+ ; load NT_TIB into ECX
+ mov ecx, fs:[0h]
+ assume fs:error
+
+walk:
+ ; load 'next' member of current SEH into EDX
+ mov edx, [ecx]
+ ; test if 'next' of current SEH is last (== 0xffffffff)
+ inc edx
+ jz found
+ dec edx
+ ; exchange content; ECX contains address of next SEH
+ xchg edx, ecx
+ ; inspect next SEH
+ jmp walk
+
+found:
+ ; load 'handler' member of SEH == address of last SEH handler installed by Windows
+ mov ecx, [ecx+04h]
+ ; save address in ECX as SEH handler for context
+ mov [eax+03ch], ecx
+ ; set ECX to -1
+ mov ecx, 0ffffffffh
+ ; save ECX as next SEH item
+ mov [eax+038h], ecx
+ ; load address of next SEH item
+ lea ecx, [eax+038h]
+ ; save next SEH
+ mov [eax+018h], ecx
+
+ ret ; return pointer to context-data
+
+trampoline:
+ ; move transport_t for entering context-function
+ ; FCTX == EAX, DATA == EDX
+ mov [esp], eax
+ mov [esp+04h], edx
+ push ebp
+ ; jump to context-function
+ jmp ebx
+
+finish:
+ ; exit code is zero
+ xor eax, eax
+ mov [esp], eax
+ ; exit application
+ call _exit
+ hlt
+make_fcontext ENDP
+END
diff --git a/src/boost/libs/context/src/asm/make_i386_sysv_elf_gas.S b/src/boost/libs/context/src/asm/make_i386_sysv_elf_gas.S
new file mode 100644
index 000000000..b76de260d
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_i386_sysv_elf_gas.S
@@ -0,0 +1,107 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| EDI | ESI | EBX | EBP | EIP | hidden | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | | *
+ * ---------------------------------------------------------------------------------- *
+ * | to | data | | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.file "make_i386_sysv_elf_gas.S"
+.text
+.globl make_fcontext
+.align 2
+.type make_fcontext,@function
+make_fcontext:
+ /* first arg of make_fcontext() == top of context-stack */
+ movl 0x4(%esp), %eax
+
+ /* reserve space for first argument of context-function
+ eax might already point to a 16byte border */
+ leal -0x8(%eax), %eax
+
+ /* shift address in EAX to lower 16 byte boundary */
+ andl $-16, %eax
+
+ /* reserve space for context-data on context-stack */
+ leal -0x28(%eax), %eax
+
+ /* third arg of make_fcontext() == address of context-function */
+ /* stored in EBX */
+ movl 0xc(%esp), %ecx
+ movl %ecx, 0x10(%eax)
+
+ /* save MMX control- and status-word */
+ stmxcsr (%eax)
+ /* save x87 control-word */
+ fnstcw 0x4(%eax)
+
+ /* return transport_t */
+ /* FCTX == EDI, DATA == ESI */
+ leal 0x8(%eax), %ecx
+ movl %ecx, 0x1c(%eax)
+
+ /* compute abs address of label trampoline */
+ call 1f
+ /* address of trampoline 1 */
+1: popl %ecx
+ /* compute abs address of label trampoline */
+ addl $trampoline-1b, %ecx
+ /* save address of trampoline as return address */
+ /* will be entered after calling jump_fcontext() first time */
+ movl %ecx, 0x18(%eax)
+
+ /* compute abs address of label finish */
+ call 2f
+ /* address of label 2 */
+2: popl %ecx
+ /* compute abs address of label finish */
+ addl $finish-2b, %ecx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after context-function returns */
+ movl %ecx, 0x14(%eax)
+
+ ret /* return pointer to context-data */
+
+trampoline:
+ /* move transport_t for entering context-function */
+ movl %edi, (%esp)
+ movl %esi, 0x4(%esp)
+ pushl %ebp
+ /* jump to context-function */
+ jmp *%ebx
+
+finish:
+ call 3f
+ /* address of label 3 */
+3: popl %ebx
+ /* compute address of GOT and store it in EBX */
+ addl $_GLOBAL_OFFSET_TABLE_+[.-3b], %ebx
+
+ /* exit code is zero */
+ xorl %eax, %eax
+ movl %eax, (%esp)
+ /* exit application */
+ call _exit@PLT
+ hlt
+.size make_fcontext,.-make_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_i386_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_i386_sysv_macho_gas.S
new file mode 100644
index 000000000..fdcdb7c80
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_i386_sysv_macho_gas.S
@@ -0,0 +1,90 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| EDI | ESI | EBX | EBP | EIP | to | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | | *
+ * ---------------------------------------------------------------------------------- *
+ * | data | | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.text
+.globl _make_fcontext
+.align 2
+_make_fcontext:
+ /* first arg of make_fcontext() == top of context-stack */
+ movl 0x4(%esp), %eax
+
+ /* reserve space for first argument of context-function
+ eax might already point to a 16byte border */
+ leal -0x8(%eax), %eax
+
+ /* shift address in EAX to lower 16 byte boundary */
+ andl $-16, %eax
+
+ /* reserve space for context-data on context-stack */
+ leal -0x2c(%eax), %eax
+
+ /* third arg of make_fcontext() == address of context-function */
+ /* stored in EBX */
+ movl 0xc(%esp), %ecx
+ movl %ecx, 0x10(%eax)
+
+ /* save MMX control- and status-word */
+ stmxcsr (%eax)
+ /* save x87 control-word */
+ fnstcw 0x4(%eax)
+
+ /* compute abs address of label trampoline */
+ call 1f
+ /* address of trampoline 1 */
+1: popl %ecx
+ /* compute abs address of label trampoline */
+ addl $trampoline-1b, %ecx
+ /* save address of trampoline as return address */
+ /* will be entered after calling jump_fcontext() first time */
+ movl %ecx, 0x18(%eax)
+
+ /* compute abs address of label finish */
+ call 2f
+ /* address of label 2 */
+2: popl %ecx
+ /* compute abs address of label finish */
+ addl $finish-2b, %ecx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after context-function returns */
+ movl %ecx, 0x14(%eax)
+
+ ret /* return pointer to context-data */
+
+trampoline:
+ /* move transport_t for entering context-function */
+ movl %eax, (%esp)
+ movl %edx, 0x4(%esp)
+ pushl %ebp
+ /* jump to context-function */
+ jmp *%ebx
+
+finish:
+ /* exit code is zero */
+ xorl %eax, %eax
+ movl %eax, (%esp)
+ /* exit application */
+ call __exit
+ hlt
diff --git a/src/boost/libs/context/src/asm/make_i386_x86_64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_i386_x86_64_sysv_macho_gas.S
new file mode 100644
index 000000000..e364b2db6
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_i386_x86_64_sysv_macho_gas.S
@@ -0,0 +1,16 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__i386__)
+ #include "make_i386_sysv_macho_gas.S"
+#elif defined(__x86_64__)
+ #include "make_x86_64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/make_mips32_o32_elf_gas.S b/src/boost/libs/context/src/asm/make_mips32_o32_elf_gas.S
new file mode 100644
index 000000000..4e11e3d05
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_mips32_o32_elf_gas.S
@@ -0,0 +1,97 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F20 | F22 | F24 | F26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F28 | F30 | S0 | S1 | S2 | S3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | S4 | S5 | S6 | S7 | FP |hiddn| RA | PC | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | ABI ARGS | GP | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ * *****************************************************/
+
+.file "make_mips32_o32_elf_gas.S"
+.text
+.globl make_fcontext
+.align 2
+.type make_fcontext,@function
+.ent make_fcontext
+make_fcontext:
+#ifdef __PIC__
+.set noreorder
+.cpload $t9
+.set reorder
+#endif
+ # shift address in A0 to lower 16 byte boundary
+ li $v1, -16 # 0xfffffffffffffff0
+ and $v0, $v1, $a0
+
+ # reserve space for context-data on context-stack
+ # includes an extra 32 bytes for:
+ # - 16-byte incoming argument area required by mips ABI used when
+ # jump_context calls the initial function
+ # - 4 bytes to save our GP register used in finish
+ # - 8 bytes to as space for transfer_t returned to finish
+ # - 4 bytes for alignment
+ addiu $v0, $v0, -128
+
+ # third arg of make_fcontext() == address of context-function
+ sw $a2, 92($v0)
+ # save global pointer in context-data
+ sw $gp, 112($v0)
+
+ # compute address of returned transfer_t
+ addiu $t0, $v0, 116
+ sw $t0, 84($v0)
+
+ # compute abs address of label finish
+ la $t9, finish
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ sw $t9, 88($v0)
+
+ jr $ra # return pointer to context-data
+
+finish:
+ # reload our gp register (needed for la)
+ lw $gp, 16($sp)
+
+ # call _exit(0)
+ # the previous function should have left the 16 bytes incoming argument
+ # area on the stack which we reuse for calling _exit
+ la $t9, _exit
+ move $a0, $zero
+ jr $t9
+.end make_fcontext
+.size make_fcontext, .-make_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_mips64_n64_elf_gas.S b/src/boost/libs/context/src/asm/make_mips64_n64_elf_gas.S
new file mode 100644
index 000000000..7bb30b14d
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_mips64_n64_elf_gas.S
@@ -0,0 +1,96 @@
+/*
+ Copyright Jiaxun Yang 2018.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 8 | 16 | 24 | *
+ * ------------------------------------------------- *
+ * | F24 | F25 | F26 | F27 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 40 | 48 | 56 | *
+ * ------------------------------------------------- *
+ * | F28 | F29 | F30 | F31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 72 | 80 | 88 | *
+ * ------------------------------------------------- *
+ * | S0 | S1 | S2 | S3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | S4 | S5 | S6 | S7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | FP | GP | RA | PC | *
+ * ------------------------------------------------- *
+ * *
+ * *****************************************************/
+
+.file "make_mips64_n64_elf_gas.S"
+.text
+.globl make_fcontext
+.align 3
+.type make_fcontext,@function
+.ent make_fcontext
+make_fcontext:
+#ifdef __PIC__
+.set noreorder
+.cpload $t9
+.set reorder
+#endif
+ # shift address in A0 to lower 16 byte boundary
+ li $v1, 0xfffffffffffffff0
+ and $v0, $v1, $a0
+
+ # reserve space for context-data on context-stack
+ daddiu $v0, $v0, -160
+
+ # third arg of make_fcontext() == address of context-function
+ sd $a2, 152($v0)
+ # save global pointer in context-data
+ sd $gp, 136($v0)
+
+ # psudo instruction compute abs address of label finish based on GP
+ dla $t9, finish
+
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ sd $t9, 144($v0)
+
+ jr $ra # return pointer to context-data
+
+finish:
+ # reload our gp register (needed for la)
+ daddiu $t0, $sp, -160
+ ld $gp, 136($t0)
+
+ # call _exit(0)
+ # the previous function should have left the 16 bytes incoming argument
+ # area on the stack which we reuse for calling _exit
+ dla $t9, _exit
+ move $a0, $zero
+ jr $t9
+.end make_fcontext
+.size make_fcontext, .-make_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_ppc32_ppc64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_ppc32_ppc64_sysv_macho_gas.S
new file mode 100644
index 000000000..52e722093
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc32_ppc64_sysv_macho_gas.S
@@ -0,0 +1,16 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__ppc__)
+ #include "make_ppc32_sysv_macho_gas.S"
+#elif defined(__ppc64__)
+ #include "make_ppc64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/make_ppc32_sysv_elf_gas.S b/src/boost/libs/context/src/asm/make_ppc32_sysv_elf_gas.S
new file mode 100644
index 000000000..9616c4ca9
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc32_sysv_elf_gas.S
@@ -0,0 +1,146 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * |bchai|hiddn| fpscr | PC | CR | R14 | R15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R16 | R17 | R18 | R19 | R20 | R21 | R22 | R23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R24 | R25 | R26 | R27 | R28 | R29 | R30 | R31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------|------------ *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | *
+ * ------------------------|------------ *
+ * | F30 | F31 |bchai| LR | *
+ * ------------------------|------------ *
+ * *
+ *******************************************************/
+
+.file "make_ppc32_sysv_elf_gas.S"
+.text
+.globl make_fcontext
+.align 2
+.type make_fcontext,@function
+make_fcontext:
+ # save return address into R6
+ mflr %r6
+
+ # first arg of make_fcontext() == top address of context-function
+ # shift address in R3 to lower 16 byte boundary
+ clrrwi %r3, %r3, 4
+
+ # reserve space on context-stack, including 16 bytes of linkage
+ # and parameter area + 240 bytes of context-data (R1 % 16 == 0)
+ subi %r3, %r3, 16 + 240
+
+ # third arg of make_fcontext() == address of context-function
+#ifdef __linux__
+ # save context-function as PC
+ stw %r5, 16(%r3)
+#else
+ # save context-function for trampoline
+ stw %r5, 248(%r3)
+#endif
+
+ # set back-chain to zero
+ li %r0, 0
+ stw %r0, 240(%r3)
+
+ # copy FPSCR to new context
+ mffs %f0
+ stfd %f0, 8(%r3)
+
+#ifdef __linux__
+ # set hidden pointer for returning transfer_t
+ la %r0, 248(%r3)
+ stw %r0, 4(%r3)
+#endif
+
+ # load address of label 1 into R4
+ bl 1f
+1: mflr %r4
+#ifndef __linux__
+ # compute abs address of trampoline, use as PC
+ addi %r7, %r4, trampoline - 1b
+ stw %r7, 16(%r3)
+#endif
+ # compute abs address of label finish
+ addi %r4, %r4, finish - 1b
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ stw %r4, 244(%r3)
+
+ # restore return address from R6
+ mtlr %r6
+
+ blr # return pointer to context-data
+
+#ifndef __linux__
+trampoline:
+ # On systems other than Linux, jump_fcontext is returning the
+ # transfer_t in R3:R4, but we need to pass transfer_t * R3 to
+ # our context-function.
+ lwz %r0, 8(%r1) # address of context-function
+ mtctr %r0
+ stw %r3, 8(%r1)
+ stw %r4, 12(%r1)
+ la %r3, 8(%r1) # address of transfer_t
+ bctr
+#endif
+
+finish:
+ # Use the secure PLT for _exit(0). If we use the insecure BSS PLT
+ # here, then the linker may use the insecure BSS PLT even if the
+ # C++ compiler wanted the secure PLT.
+
+ # set R30 for secure PLT, large model
+ bl 2f
+2: mflr %r30
+ addis %r30, %r30, .Ltoc - 2b@ha
+ addi %r30, %r30, .Ltoc - 2b@l
+
+ # call _exit(0) with special addend 0x8000 for large model
+ li %r3, 0
+ bl _exit + 0x8000@plt
+.size make_fcontext, .-make_fcontext
+
+/* Provide the GOT pointer for secure PLT, large model. */
+.section .got2,"aw"
+.Ltoc = . + 0x8000
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_ppc32_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_ppc32_sysv_macho_gas.S
new file mode 100644
index 000000000..8f35eff9a
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc32_sysv_macho_gas.S
@@ -0,0 +1,137 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _make_fcontext
+.align 2
+_make_fcontext:
+ # save return address into R6
+ mflr r6
+
+ # first arg of make_fcontext() == top address of context-function
+ # shift address in R3 to lower 16 byte boundary
+ clrrwi r3, r3, 4
+
+ # reserve space for context-data on context-stack
+ # including 64 byte of linkage + parameter area (R1 16 == 0)
+ subi r3, r3, 336
+
+ # third arg of make_fcontext() == address of context-function
+ stw r5, 240(r3)
+
+ # set back-chain to zero
+ li r0, 0
+ stw r0, 244(r3)
+
+ mffs f0 # load FPSCR
+ stfd f0, 144(r3) # save FPSCR
+
+ # compute address of returned transfer_t
+ addi r0, r3, 252
+ mr r4, r0
+ stw r4, 228(r3)
+
+ # load LR
+ mflr r0
+ # jump to label 1
+ bl 1f
+1:
+ # load LR into R4
+ mflr r4
+ # compute abs address of label finish
+ addi r4, r4, finish - 1b
+ # restore LR
+ mtlr r0
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ stw r4, 236(r3)
+
+ # restore return address from R6
+ mtlr r6
+
+ blr # return pointer to context-data
+
+finish:
+ # save return address into R0
+ mflr r0
+ # save return address on stack, set up stack frame
+ stw r0, 4(r1)
+ # allocate stack space, R1 16 == 0
+ stwu r1, -16(r1)
+
+ # exit code is zero
+ li r3, 0
+ # exit application
+ bl _exit@plt
diff --git a/src/boost/libs/context/src/asm/make_ppc32_sysv_xcoff_gas.S b/src/boost/libs/context/src/asm/make_ppc32_sysv_xcoff_gas.S
new file mode 100644
index 000000000..f25725806
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc32_sysv_xcoff_gas.S
@@ -0,0 +1,138 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+ .globl make_fcontext[DS]
+ .globl .make_fcontext[PR]
+ .align 2
+ .csect make_fcontext[DS]
+make_fcontext:
+ .long .make_fcontext[PR]
+ .csect .make_fcontext[PR], 3
+#.make_fcontext:
+ # save return address into R6
+ mflr 6
+
+ # first arg of make_fcontext() == top address of context-function
+ # shift address in R3 to lower 16 byte boundary
+ clrrwi 3, 3, 4
+
+ # reserve space for context-data on context-stack
+ # including 64 byte of linkage + parameter area (R1 % 16 == 0)
+ subi 3, 3, 336
+
+ # third arg of make_fcontext() == address of context-function
+ stw 5, 240(3)
+
+ # set back-chain to zero
+ li 0, 0
+ stw 0, 244(3)
+
+ # compute address of returned transfer_t
+ addi 0, 3, 252
+ mr 4, 0
+ stw 4, 228(3)
+
+ # load LR
+ mflr 0
+ # jump to label 1
+ bl .Label
+.Label:
+ # load LR into R4
+ mflr 4
+ # compute abs address of label .L_finish
+ addi 4, 4, .L_finish - .Label
+ # restore LR
+ mtlr 0
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ stw 4, 236(3)
+
+ # restore return address from R6
+ mtlr 6
+
+ blr # return pointer to context-data
+
+.L_finish:
+ # save return address into R0
+ mflr 0
+ # save return address on stack, set up stack frame
+ stw 0, 4(1)
+ # allocate stack space, R1 % 16 == 0
+ stwu 1, -16(1)
+
+ # exit code is zero
+ li 3, 0
+ # exit application
+ bl ._exit
+ nop
diff --git a/src/boost/libs/context/src/asm/make_ppc64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/make_ppc64_sysv_elf_gas.S
new file mode 100644
index 000000000..c4d7ee598
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc64_sysv_elf_gas.S
@@ -0,0 +1,177 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | TOC | R14 | R15 | R16 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R17 | R18 | R19 | R20 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R21 | R22 | R23 | R24 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | R25 | R26 | R27 | R28 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | R29 | R30 | R31 | hidden | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | CR | LR | PC | back-chain| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | cr saved | lr saved | compiler | linker | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | TOC saved | FCTX | DATA | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "make_ppc64_sysv_elf_gas.S"
+.globl make_fcontext
+#if _CALL_ELF == 2
+ .text
+ .align 2
+make_fcontext:
+ addis %r2, %r12, .TOC.-make_fcontext@ha
+ addi %r2, %r2, .TOC.-make_fcontext@l
+ .localentry make_fcontext, . - make_fcontext
+#else
+ .section ".opd","aw"
+ .align 3
+make_fcontext:
+# ifdef _CALL_LINUX
+ .quad .L.make_fcontext,.TOC.@tocbase,0
+ .type make_fcontext,@function
+ .text
+ .align 2
+.L.make_fcontext:
+# else
+ .hidden .make_fcontext
+ .globl .make_fcontext
+ .quad .make_fcontext,.TOC.@tocbase,0
+ .size make_fcontext,24
+ .type .make_fcontext,@function
+ .text
+ .align 2
+.make_fcontext:
+# endif
+#endif
+ # save return address into R6
+ mflr %r6
+
+ # first arg of make_fcontext() == top address of context-stack
+ # shift address in R3 to lower 16 byte boundary
+ clrrdi %r3, %r3, 4
+
+ # reserve space for context-data on context-stack
+ # including 64 byte of linkage + parameter area (R1 % 16 == 0)
+ subi %r3, %r3, 248
+
+ # third arg of make_fcontext() == address of context-function
+ # entry point (ELFv2) or descriptor (ELFv1)
+#if _CALL_ELF == 2
+ # save address of context-function entry point
+ std %r5, 176(%r3)
+#else
+ # save address of context-function entry point
+ ld %r4, 0(%r5)
+ std %r4, 176(%r3)
+ # save TOC of context-function
+ ld %r4, 8(%r5)
+ std %r4, 0(%r3)
+#endif
+
+ # set back-chain to zero
+ li %r0, 0
+ std %r0, 184(%r3)
+
+#if _CALL_ELF != 2
+ # zero in r3 indicates first jump to context-function
+ std %r0, 152(%r3)
+#endif
+
+ # load LR
+ mflr %r0
+ # jump to label 1
+ bl 1f
+1:
+ # load LR into R4
+ mflr %r4
+ # compute abs address of label finish
+ addi %r4, %r4, finish - 1b
+ # restore LR
+ mtlr %r0
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ std %r4, 168(%r3)
+
+ # restore return address from R6
+ mtlr %r6
+
+ blr # return pointer to context-data
+
+finish:
+ # save return address into R0
+ mflr %r0
+ # save return address on stack, set up stack frame
+ std %r0, 8(%r1)
+ # allocate stack space, R1 % 16 == 0
+ stdu %r1, -32(%r1)
+
+ # exit code is zero
+ li %r3, 0
+ # exit application
+ bl _exit
+ nop
+#if _CALL_ELF == 2
+ .size make_fcontext, .-make_fcontext
+#else
+# ifdef _CALL_LINUX
+ .size .make_fcontext, .-.L.make_fcontext
+# else
+ .size .make_fcontext, .-.make_fcontext
+# endif
+#endif
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_ppc64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_ppc64_sysv_macho_gas.S
new file mode 100644
index 000000000..7b947bb6b
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc64_sysv_macho_gas.S
@@ -0,0 +1,126 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | TOC | R14 | R15 | R16 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R17 | R18 | R19 | R20 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R21 | R22 | R23 | R24 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | R25 | R26 | R27 | R28 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | R29 | R30 | R31 | hidden | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | CR | LR | PC | back-chain| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | cr saved | lr saved | compiler | linker | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | TOC saved | FCTX | DATA | | *
+ * ------------------------------------------------- *
+ * *
+
+.text
+.globl _make_fcontext
+_make_fcontext:
+ ; save return address into R6
+ mflr r6
+
+ ; first arg of make_fcontext() == top address of context-function
+ ; shift address in R3 to lower 16 byte boundary
+ clrrwi r3, r3, 4
+
+ ; reserve space for context-data on context-stack
+ ; including 64 byte of linkage + parameter area (R1 16 == 0)
+ subi r3, r3, 248
+
+ ; third arg of make_fcontext() == address of context-function
+ stw r5, 176(r3)
+
+ ; set back-chain to zero
+ li %r0, 0
+ std %r0, 184(%r3)
+
+ ; compute address of returned transfer_t
+ addi %r0, %r3, 232
+ mr %r4, %r0
+ std %r4, 152(%r3)
+
+ ; load LR
+ mflr r0
+ ; jump to label 1
+ bl l1
+l1:
+ ; load LR into R4
+ mflr r4
+ ; compute abs address of label finish
+ addi r4, r4, lo16((finish - .) + 4)
+ ; restore LR
+ mtlr r0
+ ; save address of finish as return-address for context-function
+ ; will be entered after context-function returns
+ std r4, 168(r3)
+
+ ; restore return address from R6
+ mtlr r6
+
+ blr ; return pointer to context-data
+
+finish:
+ ; save return address into R0
+ mflr r0
+ ; save return address on stack, set up stack frame
+ stw r0, 8(r1)
+ ; allocate stack space, R1 16 == 0
+ stwu r1, -32(r1)
+
+ ; set return value to zero
+ li r3, 0
+ ; exit application
+ bl __exit
+ nop
diff --git a/src/boost/libs/context/src/asm/make_ppc64_sysv_xcoff_gas.S b/src/boost/libs/context/src/asm/make_ppc64_sysv_xcoff_gas.S
new file mode 100644
index 000000000..60ad6b6b2
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_ppc64_sysv_xcoff_gas.S
@@ -0,0 +1,68 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+ .globl make_fcontext[DS]
+ .globl .make_fcontext[PR]
+ .align 2
+ .csect .make_fcontext[PR], 3
+ .globl _make_fcontext
+#._make_fcontext:
+ # save return address into R6
+ mflr 6
+
+ # first arg of make_fcontext() == top address of context-function
+ # shift address in R3 to lower 16 byte boundary
+ clrrwi 3, 3, 4
+
+ # reserve space for context-data on context-stack
+ # including 64 byte of linkage + parameter area (R1 % 16 == 0)
+ subi 3, 3, 248
+
+ # third arg of make_fcontext() == address of context-function
+ stw 5, 176(3)
+
+ # set back-chain to zero
+ li 0, 0
+ std 0, 184(3)
+
+ # compute address of returned transfer_t
+ addi 0, 3, 232
+ mr 4, 0
+ std 4, 152(3)
+
+ # load LR
+ mflr 0
+ # jump to label 1
+ bl .Label
+.Label:
+ # load LR into R4
+ mflr 4
+ # compute abs address of label .L_finish
+ addi 4, 4, .L_finish - .Label
+ # restore LR
+ mtlr 0
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns
+ stw 4, 168(3)
+
+ # restore return address from R6
+ mtlr 6
+
+ blr # return pointer to context-data
+
+.L_finish:
+ # save return address into R0
+ mflr 0
+ # save return address on stack, set up stack frame
+ stw 0, 8(1)
+ # allocate stack space, R1 % 16 == 0
+ stwu 1, -32(1)
+
+ # exit code is zero
+ li 3, 0
+ # exit application
+ bl ._exit
+ nop
diff --git a/src/boost/libs/context/src/asm/make_riscv64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/make_riscv64_sysv_elf_gas.S
new file mode 100644
index 000000000..5322e0fdb
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_riscv64_sysv_elf_gas.S
@@ -0,0 +1,91 @@
+/*
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | fs0 | fs1 | fs2 | fs3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | fs4 | fs5 | fs6 | fs7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | fs8 | fs9 | fs10 | fs11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | s0 | s1 | s2 | s3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | s4 | s5 | s6 | s7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| 0xb0| 0xb4| 0xb8| 0xbc| *
+ * ------------------------------------------------- *
+ * | s8 | s9 | s10 | s11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | | | | | *
+ * ------------------------------------------------- *
+ * | 0xc0| 0xc4| 0xc8| 0xcc| | | | | *
+ * ------------------------------------------------- *
+ * | ra | pc | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "make_riscv64_sysv_elf_gas.S"
+.text
+.align 1
+.global make_fcontext
+.type make_fcontext, %function
+make_fcontext:
+ # shift address in a0 (allocated stack) to lower 16 byte boundary
+ andi a0, a0, ~0xF
+
+ # reserve space for context-data on context-stack
+ addi a0, a0, -0xd0
+
+ # third arg of make_fcontext() == address of context-function
+ # store address as a PC to jump in
+ sd a2, 0xc8(a0)
+
+ # save address of finish as return-address for context-function
+ # will be entered after context-function returns (RA register)
+ lla a4, finish
+ sd a4, 0xc0(a0)
+
+ ret // return pointer to context-data (a0)
+
+finish:
+ # exit code is zero
+ li a0, 0
+ # exit application
+ tail _exit@plt
+
+.size make_fcontext,.-make_fcontext
+# Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_s390x_sysv_elf_gas.S b/src/boost/libs/context/src/asm/make_s390x_sysv_elf_gas.S
new file mode 100644
index 000000000..e7e2d5f6e
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_s390x_sysv_elf_gas.S
@@ -0,0 +1,108 @@
+/*******************************************************
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 8 | 16 | 24 | *
+ * ------------------------------------------------- *
+ * | t.fctx | t.data | r2 | r6 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 40 | 48 | 56 | *
+ * ------------------------------------------------- *
+ * | r7 | r8 | r9 | r10 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 72 | 80 | 88 | *
+ * ------------------------------------------------- *
+ * | r11 | r12 | r13 | r14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 104 | 112 | 120 | *
+ * ------------------------------------------------- *
+ * | f8 | f9 | f10 | f11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 136 | 144 | 152 | *
+ * ------------------------------------------------- *
+ * | f12 | f13 | f14 | f15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 168 | 176 | | *
+ * ------------------------------------------------- *
+ * | fpc | pc | | | *
+ * ------------------------------------------------- *
+ *******************************************************/
+
+.text
+.align 8
+.global make_fcontext
+.type make_fcontext, @function
+
+#define ARG_OFFSET 0
+#define GR_OFFSET 16
+#define R14_OFFSET 88
+#define FP_OFFSET 96
+#define FPC_OFFSET 160
+#define PC_OFFSET 168
+#define CONTEXT_SIZE 176
+
+/*
+
+fcontext_t make_fcontext( void * sp, std::size_t size, void (* fn)( transfer_t) );
+
+Create and return a context below SP to call FN.
+
+Incoming args
+r2 - The stack location where to create the context
+r3 - The size of the context
+r4 - The address of the context function
+
+*/
+
+make_fcontext:
+ .machine "z10"
+ /* Align the stack to an 8 byte boundary. */
+ nill %r2,0xfff0
+
+ /* Allocate stack space for the context. */
+ aghi %r2,-CONTEXT_SIZE
+
+ /* Set the r2 save slot to zero. This indicates jump_fcontext
+ that this is a special context. */
+ mvghi GR_OFFSET(%r2),0
+
+ /* Save the floating point control register. */
+ stfpc FPC_OFFSET(%r2)
+
+ /* Store the address of the target function as new pc. */
+ stg %r4,PC_OFFSET(%r2)
+
+ /* Store a pointer to the finish routine as r14. If a function
+ called via context routines just returns that value will be
+ loaded and used as return address. Hence the program will
+ just exit. */
+ larl %r1,finish
+ stg %r1,R14_OFFSET(%r2)
+
+ /* Return as usual with the new context returned in r2. */
+ br %r14
+
+finish:
+ /* In finish tasks, you load the exit code and exit the
+ make_fcontext This is called when the context-function is
+ entirely executed. */
+ lghi %r2,0
+ brasl %r14,_exit@PLT
+
+.size make_fcontext,.-make_fcontext
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_x86_64_ms_pe_gas.asm b/src/boost/libs/context/src/asm/make_x86_64_ms_pe_gas.asm
new file mode 100644
index 000000000..958a2a7b6
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_x86_64_ms_pe_gas.asm
@@ -0,0 +1,174 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Copyright Thomas Sailer 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*************************************************************************************
+* ---------------------------------------------------------------------------------- *
+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc | *
+* ---------------------------------------------------------------------------------- *
+* | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc | *
+* ---------------------------------------------------------------------------------- *
+* | limit | base | R12 | R13 | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc | *
+* ---------------------------------------------------------------------------------- *
+* | R14 | R15 | RDI | RSI | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c | *
+* ---------------------------------------------------------------------------------- *
+* | RBX | RBP | hidden | RIP | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c | *
+* ---------------------------------------------------------------------------------- *
+* | parameter area | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c | *
+* ---------------------------------------------------------------------------------- *
+* | FCTX | DATA | | *
+* ---------------------------------------------------------------------------------- *
+**************************************************************************************/
+
+.file "make_x86_64_ms_pe_gas.asm"
+.text
+.p2align 4,,15
+.globl make_fcontext
+.def make_fcontext; .scl 2; .type 32; .endef
+.seh_proc make_fcontext
+make_fcontext:
+.seh_endprologue
+
+ /* first arg of make_fcontext() == top of context-stack */
+ movq %rcx, %rax
+
+ /* shift address in RAX to lower 16 byte boundary */
+ /* == pointer to fcontext_t and address of context stack */
+ andq $-16, %rax
+
+ /* reserve space for context-data on context-stack */
+ /* on context-function entry: (RSP -0x8) % 16 == 0 */
+ leaq -0x150(%rax), %rax
+
+ /* third arg of make_fcontext() == address of context-function */
+ movq %r8, 0x100(%rax)
+
+ /* first arg of make_fcontext() == top of context-stack */
+ /* save top address of context stack as 'base' */
+ movq %rcx, 0xc8(%rax)
+ /* second arg of make_fcontext() == size of context-stack */
+ /* negate stack size for LEA instruction (== substraction) */
+ negq %rdx
+ /* compute bottom address of context stack (limit) */
+ leaq (%rcx,%rdx), %rcx
+ /* save bottom address of context stack as 'limit' */
+ movq %rcx, 0xc0(%rax)
+ /* save address of context stack limit as 'dealloction stack' */
+ movq %rcx, 0xb8(%rax)
+ /* set fiber-storage to zero */
+ xorq %rcx, %rcx
+ movq %rcx, 0xb0(%rax)
+
+ /* save MMX control- and status-word */
+ stmxcsr 0xa0(%rax)
+ /* save x87 control-word */
+ fnstcw 0xa4(%rax)
+
+ /* compute address of transport_t */
+ leaq 0x140(%rax), %rcx
+ /* store address of transport_t in hidden field */
+ movq %rcx, 0x110(%rax)
+
+ /* compute abs address of label trampoline */
+ leaq trampoline(%rip), %rcx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after jump_fcontext() first time */
+ movq %rcx, 0x118(%rax)
+
+ /* compute abs address of label finish */
+ leaq finish(%rip), %rcx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after context-function returns */
+ movq %rcx, 0x108(%rax)
+
+ ret /* return pointer to context-data */
+
+trampoline:
+ /* store return address on stack */
+ /* fix stack alignment */
+ pushq %rbp
+ /* jump to context-function */
+ jmp *%rbx
+
+finish:
+ /* 32byte shadow-space for _exit() */
+ andq $-32, %rsp
+ /* 32byte shadow-space for _exit() are */
+ /* already reserved by make_fcontext() */
+ /* exit code is zero */
+ xorq %rcx, %rcx
+ /* exit application */
+ call _exit
+ hlt
+.seh_endproc
+
+.def _exit; .scl 2; .type 32; .endef /* standard C library function */
+
+.section .drectve
+.ascii " -export:\"make_fcontext\""
diff --git a/src/boost/libs/context/src/asm/make_x86_64_ms_pe_masm.asm b/src/boost/libs/context/src/asm/make_x86_64_ms_pe_masm.asm
new file mode 100644
index 000000000..8f6c959a8
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_x86_64_ms_pe_masm.asm
@@ -0,0 +1,163 @@
+
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+
+; ----------------------------------------------------------------------------------
+; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+; ----------------------------------------------------------------------------------
+; | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+; ----------------------------------------------------------------------------------
+; | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
+; ----------------------------------------------------------------------------------
+; | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
+; ----------------------------------------------------------------------------------
+; | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 |
+; ----------------------------------------------------------------------------------
+; | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 |
+; ----------------------------------------------------------------------------------
+; | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc |
+; ----------------------------------------------------------------------------------
+; | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 |
+; ----------------------------------------------------------------------------------
+; | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc |
+; ----------------------------------------------------------------------------------
+; | limit | base | R12 | R13 |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 |
+; ----------------------------------------------------------------------------------
+; | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc |
+; ----------------------------------------------------------------------------------
+; | R14 | R15 | RDI | RSI |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
+; ----------------------------------------------------------------------------------
+; | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c |
+; ----------------------------------------------------------------------------------
+; | RBX | RBP | hidden | RIP |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 |
+; ----------------------------------------------------------------------------------
+; | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c |
+; ----------------------------------------------------------------------------------
+; | parameter area |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 |
+; ----------------------------------------------------------------------------------
+; | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c |
+; ----------------------------------------------------------------------------------
+; | FCTX | DATA | |
+; ----------------------------------------------------------------------------------
+
+; standard C library function
+EXTERN _exit:PROC
+.code
+
+; generate function table entry in .pdata and unwind information in
+make_fcontext PROC BOOST_CONTEXT_EXPORT FRAME
+ ; .xdata for a function's structured exception handling unwind behavior
+ .endprolog
+
+ ; first arg of make_fcontext() == top of context-stack
+ mov rax, rcx
+
+ ; shift address in RAX to lower 16 byte boundary
+ ; == pointer to fcontext_t and address of context stack
+ and rax, -16
+
+ ; reserve space for context-data on context-stack
+ ; on context-function entry: (RSP -0x8) % 16 == 0
+ sub rax, 0150h
+
+ ; third arg of make_fcontext() == address of context-function
+ ; stored in RBX
+ mov [rax+0100h], r8
+
+ ; first arg of make_fcontext() == top of context-stack
+ ; save top address of context stack as 'base'
+ mov [rax+0c8h], rcx
+ ; second arg of make_fcontext() == size of context-stack
+ ; negate stack size for LEA instruction (== substraction)
+ neg rdx
+ ; compute bottom address of context stack (limit)
+ lea rcx, [rcx+rdx]
+ ; save bottom address of context stack as 'limit'
+ mov [rax+0c0h], rcx
+ ; save address of context stack limit as 'dealloction stack'
+ mov [rax+0b8h], rcx
+ ; set fiber-storage to zero
+ xor rcx, rcx
+ mov [rax+0b0h], rcx
+
+ ; save MMX control- and status-word
+ stmxcsr [rax+0a0h]
+ ; save x87 control-word
+ fnstcw [rax+0a4h]
+
+ ; compute address of transport_t
+ lea rcx, [rax+0140h]
+ ; store address of transport_t in hidden field
+ mov [rax+0110h], rcx
+
+ ; compute abs address of label trampoline
+ lea rcx, trampoline
+ ; save address of trampoline as return-address for context-function
+ ; will be entered after calling jump_fcontext() first time
+ mov [rax+0118h], rcx
+
+ ; compute abs address of label finish
+ lea rcx, finish
+ ; save address of finish as return-address for context-function in RBP
+ ; will be entered after context-function returns
+ mov [rax+0108h], rcx
+
+ ret ; return pointer to context-data
+
+trampoline:
+ ; store return address on stack
+ ; fix stack alignment
+ push rbp
+ ; jump to context-function
+ jmp rbx
+
+finish:
+ ; exit code is zero
+ xor rcx, rcx
+ ; exit application
+ call _exit
+ hlt
+make_fcontext ENDP
+END
diff --git a/src/boost/libs/context/src/asm/make_x86_64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/make_x86_64_sysv_elf_gas.S
new file mode 100644
index 000000000..0ef37569a
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_x86_64_sysv_elf_gas.S
@@ -0,0 +1,82 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| R12 | R13 | R14 | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+ * ---------------------------------------------------------------------------------- *
+ * | R15 | RBX | RBP | RIP | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.file "make_x86_64_sysv_elf_gas.S"
+.text
+.globl make_fcontext
+.type make_fcontext,@function
+.align 16
+make_fcontext:
+ /* first arg of make_fcontext() == top of context-stack */
+ movq %rdi, %rax
+
+ /* shift address in RAX to lower 16 byte boundary */
+ andq $-16, %rax
+
+ /* reserve space for context-data on context-stack */
+ /* on context-function entry: (RSP -0x8) % 16 == 0 */
+ leaq -0x40(%rax), %rax
+
+ /* third arg of make_fcontext() == address of context-function */
+ /* stored in RBX */
+ movq %rdx, 0x28(%rax)
+
+ /* save MMX control- and status-word */
+ stmxcsr (%rax)
+ /* save x87 control-word */
+ fnstcw 0x4(%rax)
+
+ /* compute abs address of label trampoline */
+ leaq trampoline(%rip), %rcx
+ /* save address of trampoline as return-address for context-function */
+ /* will be entered after calling jump_fcontext() first time */
+ movq %rcx, 0x38(%rax)
+
+ /* compute abs address of label finish */
+ leaq finish(%rip), %rcx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after context-function returns */
+ movq %rcx, 0x30(%rax)
+
+ ret /* return pointer to context-data */
+
+trampoline:
+ /* store return address on stack */
+ /* fix stack alignment */
+ push %rbp
+ /* jump to context-function */
+ jmp *%rbx
+
+finish:
+ /* exit code is zero */
+ xorq %rdi, %rdi
+ /* exit application */
+ call _exit@PLT
+ hlt
+.size make_fcontext,.-make_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/make_x86_64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/make_x86_64_sysv_macho_gas.S
new file mode 100644
index 000000000..5d6c5431c
--- /dev/null
+++ b/src/boost/libs/context/src/asm/make_x86_64_sysv_macho_gas.S
@@ -0,0 +1,76 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| R12 | R13 | R14 | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+ * ---------------------------------------------------------------------------------- *
+ * | R15 | RBX | RBP | RIP | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.text
+.globl _make_fcontext
+.align 8
+_make_fcontext:
+ /* first arg of make_fcontext() == top of context-stack */
+ movq %rdi, %rax
+
+ /* shift address in RAX to lower 16 byte boundary */
+ andq $-16, %rax
+
+ /* reserve space for context-data on context-stack */
+ /* on context-function entry: (RSP -0x8) % 16 == 0 */
+ leaq -0x40(%rax), %rax
+
+ /* third arg of make_fcontext() == address of context-function */
+ /* stored in RBX */
+ movq %rdx, 0x28(%rax)
+
+ /* save MMX control- and status-word */
+ stmxcsr (%rax)
+ /* save x87 control-word */
+ fnstcw 0x4(%rax)
+
+ /* compute abs address of label trampoline */
+ leaq trampoline(%rip), %rcx
+ /* save address of trampoline as return-address for context-function */
+ /* will be entered after calling jump_fcontext() first time */
+ movq %rcx, 0x38(%rax)
+
+ /* compute abs address of label finish */
+ leaq finish(%rip), %rcx
+ /* save address of finish as return-address for context-function */
+ /* will be entered after context-function returns */
+ movq %rcx, 0x30(%rax)
+
+ ret /* return pointer to context-data */
+
+trampoline:
+ /* store return address on stack */
+ /* fix stack alignment */
+ push %rbp
+ /* jump to context-function */
+ jmp *%rbx
+
+finish:
+ /* exit code is zero */
+ xorq %rdi, %rdi
+ /* exit application */
+ call __exit
+ hlt
diff --git a/src/boost/libs/context/src/asm/ontop_arm64_aapcs_elf_gas.S b/src/boost/libs/context/src/asm/ontop_arm64_aapcs_elf_gas.S
new file mode 100644
index 000000000..665ca5a2c
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_arm64_aapcs_elf_gas.S
@@ -0,0 +1,113 @@
+/*
+ Copyright Edward Nevill + Oliver Kowalke 2015
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | d8 | d9 | d10 | d11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | d12 | d13 | d14 | d15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | x19 | x20 | x21 | x22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | x23 | x24 | x25 | x26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | x27 | x28 | FP | LR | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | | | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| | | *
+ * ------------------------------------------------- *
+ * | PC | align | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "ontop_arm64_aapcs_elf_gas.S"
+.text
+.align 2
+.global ontop_fcontext
+.type ontop_fcontext, %function
+ontop_fcontext:
+ # prepare stack for GP + FPU
+ sub sp, sp, #0xb0
+
+ # save d8 - d15
+ stp d8, d9, [sp, #0x00]
+ stp d10, d11, [sp, #0x10]
+ stp d12, d13, [sp, #0x20]
+ stp d14, d15, [sp, #0x30]
+
+ # save x19-x30
+ stp x19, x20, [sp, #0x40]
+ stp x21, x22, [sp, #0x50]
+ stp x23, x24, [sp, #0x60]
+ stp x25, x26, [sp, #0x70]
+ stp x27, x28, [sp, #0x80]
+ stp x29, x30, [sp, #0x90]
+
+ # save LR as PC
+ str x30, [sp, #0xa0]
+
+ # store RSP (pointing to context-data) in X5
+ mov x4, sp
+
+ # restore RSP (pointing to context-data) from X1
+ mov sp, x0
+
+ # load d8 - d15
+ ldp d8, d9, [sp, #0x00]
+ ldp d10, d11, [sp, #0x10]
+ ldp d12, d13, [sp, #0x20]
+ ldp d14, d15, [sp, #0x30]
+
+ # load x19-x30
+ ldp x19, x20, [sp, #0x40]
+ ldp x21, x22, [sp, #0x50]
+ ldp x23, x24, [sp, #0x60]
+ ldp x25, x26, [sp, #0x70]
+ ldp x27, x28, [sp, #0x80]
+ ldp x29, x30, [sp, #0x90]
+
+ # return transfer_t from jump
+ # pass transfer_t as first arg in context function
+ # X0 == FCTX, X1 == DATA
+ mov x0, x4
+
+ # skip pc
+ # restore stack from GP + FPU
+ add sp, sp, #0xb0
+
+ # jump to ontop-function
+ ret x2
+.size ontop_fcontext,.-ontop_fcontext
+# Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_arm64_aapcs_macho_gas.S b/src/boost/libs/context/src/asm/ontop_arm64_aapcs_macho_gas.S
new file mode 100644
index 000000000..a387d06dd
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_arm64_aapcs_macho_gas.S
@@ -0,0 +1,108 @@
+/*
+ Copyright Edward Nevill + Oliver Kowalke 2015
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | d8 | d9 | d10 | d11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | d12 | d13 | d14 | d15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | x19 | x20 | x21 | x22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | x23 | x24 | x25 | x26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | x27 | x28 | FP | LR | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | | | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| | | *
+ * ------------------------------------------------- *
+ * | PC | align | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.global _ontop_fcontext
+.balign 16
+_ontop_fcontext:
+ ; prepare stack for GP + FPU
+ sub sp, sp, #0xb0
+
+ ; save d8 - d15
+ stp d8, d9, [sp, #0x00]
+ stp d10, d11, [sp, #0x10]
+ stp d12, d13, [sp, #0x20]
+ stp d14, d15, [sp, #0x30]
+
+ ; save x19-x30
+ stp x19, x20, [sp, #0x40]
+ stp x21, x22, [sp, #0x50]
+ stp x23, x24, [sp, #0x60]
+ stp x25, x26, [sp, #0x70]
+ stp x27, x28, [sp, #0x80]
+ stp x29, x30, [sp, #0x90]
+
+ ; save LR as PC
+ str x30, [sp, #0xa0]
+
+ ; store RSP (pointing to context-data) in X5
+ mov x4, sp
+
+ ; restore RSP (pointing to context-data) from X1
+ mov sp, x0
+
+ ; load d8 - d15
+ ldp d8, d9, [sp, #0x00]
+ ldp d10, d11, [sp, #0x10]
+ ldp d12, d13, [sp, #0x20]
+ ldp d14, d15, [sp, #0x30]
+
+ ; load x19-x30
+ ldp x19, x20, [sp, #0x40]
+ ldp x21, x22, [sp, #0x50]
+ ldp x23, x24, [sp, #0x60]
+ ldp x25, x26, [sp, #0x70]
+ ldp x27, x28, [sp, #0x80]
+ ldp x29, x30, [sp, #0x90]
+
+ ; return transfer_t from jump
+ ; pass transfer_t as first arg in context function
+ ; X0 == FCTX, X1 == DATA
+ mov x0, x4
+
+ ; skip pc
+ ; restore stack from GP + FPU
+ add sp, sp, #0xb0
+
+ ; jump to ontop-function
+ ret x2
diff --git a/src/boost/libs/context/src/asm/ontop_arm_aapcs_elf_gas.S b/src/boost/libs/context/src/asm/ontop_arm_aapcs_elf_gas.S
new file mode 100644
index 000000000..59ad5ca9c
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_arm_aapcs_elf_gas.S
@@ -0,0 +1,93 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | s16 | s17 | s18 | s19 | s20 | s21 | s22 | s23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | s24 | s25 | s26 | s27 | s28 | s29 | s30 | s31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * |hiddn| v1 | v2 | v3 | v4 | v5 | v6 | v7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | v8 | lr | pc | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "ontop_arm_aapcs_elf_gas.S"
+.text
+.globl ontop_fcontext
+.align 2
+.type ontop_fcontext,%function
+.syntax unified
+ontop_fcontext:
+ @ save LR as PC
+ push {lr}
+ @ save hidden,V1-V8,LR
+ push {a1,v1-v8,lr}
+
+ @ prepare stack for FPU
+ sub sp, sp, #64
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ save S16-S31
+ vstmia sp, {d8-d15}
+#endif
+
+ @ store RSP (pointing to context-data) in A1
+ mov a1, sp
+
+ @ restore RSP (pointing to context-data) from A2
+ mov sp, a2
+
+ @ store parent context in A2
+ mov a2, a1
+
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ restore S16-S31
+ vldmia sp, {d8-d15}
+#endif
+ @ prepare stack for FPU
+ add sp, sp, #64
+
+ @ restore hidden,V1-V8,LR
+ pop {a1,v1-v8,lr}
+
+ @ return transfer_t from jump
+ str a2, [a1, #0]
+ str a3, [a1, #4]
+ @ pass transfer_t as first arg in context function
+ @ A1 == hidden, A2 == FCTX, A3 == DATA
+
+ @ skip PC
+ add sp, sp, #4
+
+ @ jump to ontop-function
+ bx a4
+.size ontop_fcontext,.-ontop_fcontext
+
+@ Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_arm_aapcs_macho_gas.S b/src/boost/libs/context/src/asm/ontop_arm_aapcs_macho_gas.S
new file mode 100644
index 000000000..421fcb455
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_arm_aapcs_macho_gas.S
@@ -0,0 +1,100 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | s16 | s17 | s18 | s19 | s20 | s21 | s22 | s23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | s24 | s25 | s26 | s27 | s28 | s29 | s30 | s31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | sjlj|hiddn| v1 | v2 | v3 | v4 | v5 | v6 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | v7 | v8 | lr | pc | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _ontop_fcontext
+.align 2
+_ontop_fcontext:
+ @ save LR as PC
+ push {lr}
+ @ save hidden,V1-V8,LR
+ push {a1,v1-v8,lr}
+
+ @ locate TLS to save/restore SjLj handler
+ mrc p15, 0, v2, c13, c0, #3
+ bic v2, v2, #3
+
+ @ load TLS[__PTK_LIBC_DYLD_Unwind_SjLj_Key]
+ ldr v1, [v2, #8]
+ @ save SjLj handler
+ push {v1}
+
+ @ prepare stack for FPU
+ sub sp, sp, #64
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ save S16-S31
+ vstmia sp, {d8-d15}
+#endif
+
+ @ store RSP (pointing to context-data) in A1
+ mov a1, sp
+
+ @ restore RSP (pointing to context-data) from A2
+ mov sp, a2
+
+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
+ @ restore S16-S31
+ vldmia sp, {d8-d15}
+#endif
+ @ prepare stack for FPU
+ add sp, sp, #64
+
+ @ restore SjLj handler
+ pop {v1}
+ @ store SjLj handler in TLS
+ str v1, [v2, #8]
+
+ @ store parent context in A2
+ mov a2, a1
+
+ @ restore hidden,V1-V8,LR
+ pop {a1,v1-v8,lr}
+
+ @ return transfer_t from jump
+ str a2, [a1, #0]
+ str a3, [a1, #4]
+ @ pass transfer_t as first arg in context function
+ @ A1 == hidden, A2 == FCTX, A3 == DATA
+
+ @ skip PC
+ add sp, sp, #4
+
+ @ jump to ontop-function
+ bx a4
diff --git a/src/boost/libs/context/src/asm/ontop_arm_aapcs_pe_armasm.asm b/src/boost/libs/context/src/asm/ontop_arm_aapcs_pe_armasm.asm
new file mode 100644
index 000000000..f360a8ffc
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_arm_aapcs_pe_armasm.asm
@@ -0,0 +1,86 @@
+;/*
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+;*/
+
+; *******************************************************
+; * *
+; * ------------------------------------------------- *
+; * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+; * ------------------------------------------------- *
+; * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+; * ------------------------------------------------- *
+; * |deall|limit| base|hiddn| v1 | v2 | v3 | v4 | *
+; * ------------------------------------------------- *
+; * ------------------------------------------------- *
+; * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+; * ------------------------------------------------- *
+; * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+; * ------------------------------------------------- *
+; * | v5 | v6 | v7 | v8 | lr | pc | FCTX| DATA| *
+; * ------------------------------------------------- *
+; * *
+; *******************************************************
+
+ AREA |.text|, CODE
+ ALIGN 4
+ EXPORT ontop_fcontext
+
+ontop_fcontext PROC
+ ; save LR as PC
+ push {lr}
+ ; save hidden,V1-V8,LR
+ push {a1,v1-v8,lr}
+
+ ; load TIB to save/restore thread size and limit.
+ ; we do not need preserve CPU flag and can use it's arg register
+ mrc p15, #0, v1, c13, c0, #2
+
+ ; save current stack base
+ ldr a1, [v1, #0x04]
+ push {a1}
+ ; save current stack limit
+ ldr a1, [v1, #0x08]
+ push {a1}
+ ; save current deallocation stack
+ ldr a1, [v1, #0xe0c]
+ push {a1}
+
+ ; store RSP (pointing to context-data) in A1
+ mov a1, sp
+
+ ; restore RSP (pointing to context-data) from A2
+ mov sp, a2
+
+ ; restore stack base
+ pop {a1}
+ str a1, [v1, #0x04]
+ ; restore stack limit
+ pop {a1}
+ str a1, [v1, #0x08]
+ ; restore deallocation stack
+ pop {a1}
+ str a1, [v1, #0xe0c]
+
+ ; store parent context in A2
+ mov a2, a1
+
+ ; restore hidden,V1-V8,LR
+ pop {a1,v1-v8,lr}
+
+ ; return transfer_t from jump
+ str a2, [a1, #0]
+ str a3, [a1, #4]
+ ; pass transfer_t as first arg in context function
+ ; A1 == hidden, A2 == FCTX, A3 == DATA
+
+ ; skip PC
+ add sp, sp, #4
+
+ ; jump to ontop-function
+ bx a4
+
+ ENDP
+ END
diff --git a/src/boost/libs/context/src/asm/ontop_combined_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_combined_sysv_macho_gas.S
new file mode 100644
index 000000000..20cbeb9f2
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_combined_sysv_macho_gas.S
@@ -0,0 +1,20 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__i386__)
+ #include "ontop_i386_sysv_macho_gas.S"
+#elif defined(__x86_64__)
+ #include "ontop_x86_64_sysv_macho_gas.S"
+#elif defined(__ppc__)
+ #include "ontop_ppc32_sysv_macho_gas.S"
+#elif defined(__ppc64__)
+ #include "ontop_ppc64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/ontop_i386_ms_pe_gas.asm b/src/boost/libs/context/src/asm/ontop_i386_ms_pe_gas.asm
new file mode 100644
index 000000000..c23e18a29
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_i386_ms_pe_gas.asm
@@ -0,0 +1,131 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Copyright Thomas Sailer 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*************************************************************************************
+* --------------------------------------------------------------------------------- *
+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+* --------------------------------------------------------------------------------- *
+* | 0h | 04h | 08h | 0ch | 010h | 014h | 018h | 01ch | *
+* --------------------------------------------------------------------------------- *
+* | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo| limit | base | fc_seh | EDI | *
+* --------------------------------------------------------------------------------- *
+* --------------------------------------------------------------------------------- *
+* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+* --------------------------------------------------------------------------------- *
+* | 020h | 024h | 028h | 02ch | 030h | 034h | 038h | 03ch | *
+* --------------------------------------------------------------------------------- *
+* | ESI | EBX | EBP | EIP | to | data | EH NXT |SEH HNDLR| *
+* --------------------------------------------------------------------------------- *
+**************************************************************************************/
+
+.file "ontop_i386_ms_pe_gas.asm"
+.text
+.p2align 4,,15
+
+/* mark as using no unregistered SEH handlers */
+.globl @feat.00
+.def @feat.00; .scl 3; .type 0; .endef
+.set @feat.00, 1
+
+.globl _ontop_fcontext
+.def _ontop_fcontext; .scl 2; .type 32; .endef
+_ontop_fcontext:
+ /* prepare stack */
+ leal -0x2c(%esp), %esp
+
+#if !defined(BOOST_USE_TSX)
+ /* save MMX control- and status-word */
+ stmxcsr (%esp)
+ /* save x87 control-word */
+ fnstcw 0x4(%esp)
+#endif
+
+ /* load NT_TIB */
+ movl %fs:(0x18), %edx
+ /* load fiber local storage */
+ movl 0x10(%edx), %eax
+ movl %eax, 0x8(%esp)
+ /* load current dealloction stack */
+ movl 0xe0c(%edx), %eax
+ movl %eax, 0xc(%esp)
+ /* load current stack limit */
+ movl 0x8(%edx), %eax
+ movl %eax, 0x10(%esp)
+ /* load current stack base */
+ movl 0x4(%edx), %eax
+ movl %eax, 0x14(%esp)
+ /* load current SEH exception list */
+ movl (%edx), %eax
+ movl %eax, 0x18(%esp)
+
+ movl %edi, 0x1c(%esp) /* save EDI */
+ movl %esi, 0x20(%esp) /* save ESI */
+ movl %ebx, 0x24(%esp) /* save EBX */
+ movl %ebp, 0x28(%esp) /* save EBP */
+
+ /* store ESP (pointing to context-data) in ECX */
+ movl %esp, %ecx
+
+ /* first arg of ontop_fcontext() == fcontext to jump to */
+ movl 0x30(%esp), %eax
+
+ /* pass parent fcontext_t */
+ movl %ecx, 0x30(%eax)
+
+ /* second arg of ontop_fcontext() == data to be transferred */
+ movl 0x34(%esp), %ecx
+
+ /* pass data */
+ movl %ecx, 0x34(%eax)
+
+ /* third arg of ontop_fcontext() == ontop-function */
+ movl 0x38(%esp), %ecx
+
+ /* restore ESP (pointing to context-data) from EDX */
+ movl %eax, %esp
+
+#if !defined(BOOST_USE_TSX)
+ /* restore MMX control- and status-word */
+ ldmxcsr (%esp)
+ /* restore x87 control-word */
+ fldcw 0x4(%esp)
+#endif
+
+ /* restore NT_TIB into EDX */
+ movl %fs:(0x18), %edx
+ /* restore fiber local storage */
+ movl 0x8(%esp), %eax
+ movl %eax, 0x10(%edx)
+ /* restore current deallocation stack */
+ movl 0xc(%esp), %eax
+ movl %eax, 0xe0c(%edx)
+ /* restore current stack limit */
+ movl 0x10(%esp), %eax
+ movl %eax, 0x08(%edx)
+ /* restore current stack base */
+ movl 0x14(%esp), %eax
+ movl %eax, 0x04(%edx)
+ /* restore current SEH exception list */
+ movl 0x18(%esp), %eax
+ movl %eax, (%edx)
+
+ movl 0x1c(%esp), %edi /* restore EDI */
+ movl 0x20(%esp), %esi /* restore ESI */
+ movl 0x24(%esp), %ebx /* restore EBX */
+ movl 0x28(%esp), %ebp /* restore EBP */
+
+ /* prepare stack */
+ leal 0x2c(%esp), %esp
+
+ /* keep return-address on stack */
+
+ /* jump to context */
+ jmp *%ecx
+
+.section .drectve
+.ascii " -export:\"_ontop_fcontext\""
diff --git a/src/boost/libs/context/src/asm/ontop_i386_ms_pe_masm.asm b/src/boost/libs/context/src/asm/ontop_i386_ms_pe_masm.asm
new file mode 100644
index 000000000..82246a4a2
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_i386_ms_pe_masm.asm
@@ -0,0 +1,124 @@
+
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+
+; ---------------------------------------------------------------------------------
+; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+; ---------------------------------------------------------------------------------
+; | 0h | 04h | 08h | 0ch | 010h | 014h | 018h | 01ch |
+; ---------------------------------------------------------------------------------
+; | fc_mxcsr|fc_x87_cw| fc_strg |fc_deallo| limit | base | fc_seh | EDI |
+; ---------------------------------------------------------------------------------
+; ---------------------------------------------------------------------------------
+; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+; ---------------------------------------------------------------------------------
+; | 020h | 024h | 028h | 02ch | 030h | 034h | 038h | 03ch |
+; ---------------------------------------------------------------------------------
+; | ESI | EBX | EBP | EIP | to | data | EH NXT |SEH HNDLR|
+; ---------------------------------------------------------------------------------
+
+.386
+.XMM
+.model flat, c
+.code
+
+ontop_fcontext PROC BOOST_CONTEXT_EXPORT
+ ; prepare stack
+ lea esp, [esp-02ch]
+
+IFNDEF BOOST_USE_TSX
+ ; save MMX control- and status-word
+ stmxcsr [esp]
+ ; save x87 control-word
+ fnstcw [esp+04h]
+ENDIF
+
+ assume fs:nothing
+ ; load NT_TIB into ECX
+ mov edx, fs:[018h]
+ assume fs:error
+ ; load fiber local storage
+ mov eax, [edx+010h]
+ mov [esp+08h], eax
+ ; load current deallocation stack
+ mov eax, [edx+0e0ch]
+ mov [esp+0ch], eax
+ ; load current stack limit
+ mov eax, [edx+08h]
+ mov [esp+010h], eax
+ ; load current stack base
+ mov eax, [edx+04h]
+ mov [esp+014h], eax
+ ; load current SEH exception list
+ mov eax, [edx]
+ mov [esp+018h], eax
+
+ mov [esp+01ch], edi ; save EDI
+ mov [esp+020h], esi ; save ESI
+ mov [esp+024h], ebx ; save EBX
+ mov [esp+028h], ebp ; save EBP
+
+ ; store ESP (pointing to context-data) in ECX
+ mov ecx, esp
+
+ ; first arg of ontop_fcontext() == fcontext to jump to
+ mov eax, [esp+030h]
+
+ ; pass parent fcontext_t
+ mov [eax+030h], ecx
+
+ ; second arg of ontop_fcontext() == data to be transferred
+ mov ecx, [esp+034h]
+
+ ; pass data
+ mov [eax+034h], ecx
+
+ ; third arg of ontop_fcontext() == ontop-function
+ mov ecx, [esp+038h]
+
+ ; restore ESP (pointing to context-data) from EAX
+ mov esp, eax
+
+IFNDEF BOOST_USE_TSX
+ ; restore MMX control- and status-word
+ ldmxcsr [esp]
+ ; restore x87 control-word
+ fldcw [esp+04h]
+ENDIF
+
+ assume fs:nothing
+ ; load NT_TIB into EDX
+ mov edx, fs:[018h]
+ assume fs:error
+ ; restore fiber local storage
+ mov eax, [esp+08h]
+ mov [edx+010h], eax
+ ; restore current deallocation stack
+ mov eax, [esp+0ch]
+ mov [edx+0e0ch], eax
+ ; restore current stack limit
+ mov eax, [esp+010h]
+ mov [edx+08h], eax
+ ; restore current stack base
+ mov eax, [esp+014h]
+ mov [edx+04h], eax
+ ; restore current SEH exception list
+ mov eax, [esp+018h]
+ mov [edx], eax
+
+ mov edi, [esp+01ch] ; restore EDI
+ mov esi, [esp+020h] ; restore ESI
+ mov ebx, [esp+024h] ; restore EBX
+ mov ebp, [esp+028h] ; restore EBP
+
+ ; prepare stack
+ lea esp, [esp+02ch]
+
+ ; keep return-address on stack
+
+ ; jump to context
+ jmp ecx
+ontop_fcontext ENDP
+END
diff --git a/src/boost/libs/context/src/asm/ontop_i386_sysv_elf_gas.S b/src/boost/libs/context/src/asm/ontop_i386_sysv_elf_gas.S
new file mode 100644
index 000000000..40fe6c2ab
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_i386_sysv_elf_gas.S
@@ -0,0 +1,90 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| EDI | ESI | EBX | EBP | EIP | hidden | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | | *
+ * ---------------------------------------------------------------------------------- *
+ * | to | data | | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.file "ontop_i386_sysv_elf_gas.S"
+.text
+.globl ontop_fcontext
+.align 2
+.type ontop_fcontext,@function
+ontop_fcontext:
+ leal -0x18(%esp), %esp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%esp) /* save MMX control- and status-word */
+ fnstcw 0x4(%esp) /* save x87 control-word */
+#endif
+
+ movl %edi, 0x8(%esp) /* save EDI */
+ movl %esi, 0xc(%esp) /* save ESI */
+ movl %ebx, 0x10(%esp) /* save EBX */
+ movl %ebp, 0x14(%esp) /* save EBP */
+
+ /* store ESP (pointing to context-data) in ECX */
+ movl %esp, %ecx
+
+ /* first arg of ontop_fcontext() == fcontext to jump to */
+ movl 0x20(%esp), %eax
+
+ /* pass parent fcontext_t */
+ movl %ecx, 0x20(%eax)
+
+ /* second arg of ontop_fcontext() == data to be transferred */
+ movl 0x24(%esp), %ecx
+
+ /* pass data */
+ movl %ecx, 0x24(%eax)
+
+ /* third arg of ontop_fcontext() == ontop-function */
+ movl 0x28(%esp), %ecx
+
+ /* restore ESP (pointing to context-data) from EAX */
+ movl %eax, %esp
+
+ /* address of returned transport_t */
+ movl 0x1c(%esp), %eax
+ /* return parent fcontext_t */
+ movl %ecx, (%eax)
+ /* return data */
+ movl %edx, 0x4(%eax)
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%esp) /* restore MMX control- and status-word */
+ fldcw 0x4(%esp) /* restore x87 control-word */
+#endif
+
+ movl 0x8(%esp), %edi /* restore EDI */
+ movl 0xc(%esp), %esi /* restore ESI */
+ movl 0x10(%esp), %ebx /* restore EBX */
+ movl 0x14(%esp), %ebp /* restore EBP */
+
+ leal 0x18(%esp), %esp /* prepare stack */
+
+ /* jump to context */
+ jmp *%ecx
+.size ontop_fcontext,.-ontop_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_i386_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_i386_sysv_macho_gas.S
new file mode 100644
index 000000000..3a88372b3
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_i386_sysv_macho_gas.S
@@ -0,0 +1,81 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| EDI | ESI | EBX | EBP | EIP | to | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | | *
+ * ---------------------------------------------------------------------------------- *
+ * | data | | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.text
+.globl _ontop_fcontext
+.align 2
+_ontop_fcontext:
+ leal -0x18(%esp), %esp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%esp) /* save MMX control- and status-word */
+ fnstcw 0x4(%esp) /* save x87 control-word */
+#endif
+
+ movl %edi, 0x8(%esp) /* save EDI */
+ movl %esi, 0xc(%esp) /* save ESI */
+ movl %ebx, 0x10(%esp) /* save EBX */
+ movl %ebp, 0x14(%esp) /* save EBP */
+
+ /* store ESP (pointing to context-data) in ECX */
+ movl %esp, %ecx
+
+ /* first arg of ontop_fcontext() == fcontext to jump to */
+ movl 0x1c(%esp), %eax
+
+ /* pass parent fcontext_t */
+ movl %ecx, 0x1c(%eax)
+
+ /* second arg of ontop_fcontext() == data to be transferred */
+ movl 0x20(%esp), %ecx
+
+ /* pass data */
+ movl %ecx, 0x20(%eax)
+
+ /* third arg of ontop_fcontext() == ontop-function */
+ movl 0x24(%esp), %ecx
+
+ /* restore ESP (pointing to context-data) from EAX */
+ movl %eax, %esp
+
+ /* return parent fcontext_t */
+ movl %ecx, %eax
+ /* returned data is stored in EDX */
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%esp) /* restore MMX control- and status-word */
+ fldcw 0x4(%esp) /* restore x87 control-word */
+#endif
+
+ movl 0x8(%esp), %edi /* restore EDI */
+ movl 0xc(%esp), %esi /* restore ESI */
+ movl 0x10(%esp), %ebx /* restore EBX */
+ movl 0x14(%esp), %ebp /* restore EBP */
+
+ leal 0x18(%esp), %esp /* prepare stack */
+
+ /* jump to context */
+ jmp *%ecx
diff --git a/src/boost/libs/context/src/asm/ontop_i386_x86_64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_i386_x86_64_sysv_macho_gas.S
new file mode 100644
index 000000000..393c5fe43
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_i386_x86_64_sysv_macho_gas.S
@@ -0,0 +1,16 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__i386__)
+ #include "ontop_i386_sysv_macho_gas.S"
+#elif defined(__x86_64__)
+ #include "ontop_x86_64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/ontop_mips32_o32_elf_gas.S b/src/boost/libs/context/src/asm/ontop_mips32_o32_elf_gas.S
new file mode 100644
index 000000000..c69203c65
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_mips32_o32_elf_gas.S
@@ -0,0 +1,120 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F20 | F22 | F24 | F26 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F28 | F30 | S0 | S1 | S2 | S3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | S4 | S5 | S6 | S7 | FP |hiddn| RA | PC | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | ABI ARGS | GP | FCTX| DATA| | *
+ * ------------------------------------------------- *
+ * *
+ * *****************************************************/
+
+.file "ontop_mips32_o32_elf_gas.S"
+.text
+.globl ontop_fcontext
+.align 2
+.type ontop_fcontext,@function
+.ent ontop_fcontext
+ontop_fcontext:
+ # reserve space on stack
+ addiu $sp, $sp, -96
+
+ sw $s0, 48($sp) # save S0
+ sw $s1, 52($sp) # save S1
+ sw $s2, 56($sp) # save S2
+ sw $s3, 60($sp) # save S3
+ sw $s4, 64($sp) # save S4
+ sw $s5, 68($sp) # save S5
+ sw $s6, 72($sp) # save S6
+ sw $s7, 76($sp) # save S7
+ sw $fp, 80($sp) # save FP
+ sw $a0, 84($sp) # save hidden, address of returned transfer_t
+ sw $ra, 88($sp) # save RA
+ sw $ra, 92($sp) # save RA as PC
+
+#if defined(__mips_hard_float)
+ s.d $f20, ($sp) # save F20
+ s.d $f22, 8($sp) # save F22
+ s.d $f24, 16($sp) # save F24
+ s.d $f26, 24($sp) # save F26
+ s.d $f28, 32($sp) # save F28
+ s.d $f30, 40($sp) # save F30
+#endif
+
+ # store SP (pointing to context-data) in A0
+ move $a0, $sp
+
+ # restore SP (pointing to context-data) from A1
+ move $sp, $a1
+
+#if defined(__mips_hard_float)
+ l.d $f20, ($sp) # restore F20
+ l.d $f22, 8($sp) # restore F22
+ l.d $f24, 16($sp) # restore F24
+ l.d $f26, 24($sp) # restore F26
+ l.d $f28, 32($sp) # restore F28
+ l.d $f30, 40($sp) # restore F30
+#endif
+
+ lw $s0, 48($sp) # restore S0
+ lw $s1, 52($sp) # restore S1
+ lw $s2, 56($sp) # restore S2
+ lw $s3, 60($sp) # restore S3
+ lw $s4, 64($sp) # restore S4
+ lw $s5, 68($sp) # restore S5
+ lw $s6, 72($sp) # restore S6
+ lw $s7, 76($sp) # restore S7
+ lw $fp, 80($sp) # restore FP
+ lw $v0, 84($sp) # restore hidden, address of returned transfer_t
+ lw $ra, 88($sp) # restore RA
+
+ # load PC
+ move $t9, $a3
+
+ # adjust stack
+ addiu $sp, $sp, 96
+
+ # return transfer_t from jump
+ sw $a0, ($v0) # fctx of transfer_t
+ sw $a2, 4($v0) # data of transfer_t
+ # pass transfer_t as first arg in context function
+ # A0 == hidden, A1 == fctx, A2 == data
+ move $a1, $a0
+ move $a0, $v0
+
+ # jump to context
+ jr $t9
+.end ontop_fcontext
+.size ontop_fcontext, .-ontop_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_mips64_n64_elf_gas.S b/src/boost/libs/context/src/asm/ontop_mips64_n64_elf_gas.S
new file mode 100644
index 000000000..a8a4f8acd
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_mips64_n64_elf_gas.S
@@ -0,0 +1,120 @@
+/*
+ Copyright Jiaxun Yang 2018.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 8 | 16 | 24 | *
+ * ------------------------------------------------- *
+ * | F24 | F25 | F26 | F27 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 40 | 48 | 56 | *
+ * ------------------------------------------------- *
+ * | F28 | F29 | F30 | F31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 72 | 80 | 88 | *
+ * ------------------------------------------------- *
+ * | S0 | S1 | S2 | S3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | S4 | S5 | S6 | S7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | FP | GP | RA | PC | *
+ * ------------------------------------------------- *
+ * *
+ * *****************************************************/
+
+.file "ontop_mips64_n64_elf_gas.S"
+.text
+.globl ontop_fcontext
+.align 3
+.type ontop_fcontext,@function
+.ent ontop_fcontext
+ontop_fcontext:
+ # reserve space on stack
+ daddiu $sp, $sp, -160
+
+ sd $s0, 64($sp) # save S0
+ sd $s1, 72($sp) # save S1
+ sd $s2, 80($sp) # save S2
+ sd $s3, 88($sp) # save S3
+ sd $s4, 96($sp) # save S4
+ sd $s5, 104($sp) # save S5
+ sd $s6, 112($sp) # save S6
+ sd $s7, 120($sp) # save S7
+ sd $fp, 128($sp) # save FP
+ sd $ra, 144($sp) # save RA
+ sd $ra, 152($sp) # save RA as PC
+
+
+ s.d $f24, 0($sp) # save F24
+ s.d $f25, 8($sp) # save F25
+ s.d $f26, 16($sp) # save F26
+ s.d $f27, 24($sp) # save F27
+ s.d $f28, 32($sp) # save F28
+ s.d $f29, 40($sp) # save F29
+ s.d $f30, 48($sp) # save F30
+ s.d $f31, 56($sp) # save F31
+
+ # store SP (pointing to context-data) in t0
+ move $t0, $sp
+
+ # restore SP (pointing to context-data) from a0
+ move $sp, $a0
+
+ l.d $f24, 0($sp) # restore F24
+ l.d $f25, 8($sp) # restore F25
+ l.d $f26, 16($sp) # restore F26
+ l.d $f27, 24($sp) # restore F27
+ l.d $f28, 32($sp) # restore F28
+ l.d $f29, 40($sp) # restore F29
+ l.d $f30, 48($sp) # restore F30
+ l.d $f31, 56($sp) # restore F31
+
+ ld $s0, 64($sp) # restore S0
+ ld $s1, 72($sp) # restore S1
+ ld $s2, 80($sp) # restore S2
+ ld $s3, 88($sp) # restore S3
+ ld $s4, 96($sp) # restore S4
+ ld $s5, 104($sp) # restore S5
+ ld $s6, 112($sp) # restore S6
+ ld $s7, 120($sp) # restore S7
+ ld $fp, 128($sp) # restore FP
+ ld $ra, 144($sp) # restore RA
+
+ # load PC
+ move $t9, $a2
+
+ # adjust stack
+ daddiu $sp, $sp, 160
+
+ move $a0, $t0 # move param from t0 to a0 as param
+
+ # jump to context
+ jr $t9
+.end ontop_fcontext
+.size ontop_fcontext, .-ontop_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_ppc32_ppc64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_ppc32_ppc64_sysv_macho_gas.S
new file mode 100644
index 000000000..4632f4cc9
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc32_ppc64_sysv_macho_gas.S
@@ -0,0 +1,16 @@
+/*
+ Copyright Sergue E. Leontiev 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+// Stub file for universal binary
+
+#if defined(__ppc__)
+ #include "ontop_ppc32_sysv_macho_gas.S"
+#elif defined(__ppc64__)
+ #include "ontop_ppc64_sysv_macho_gas.S"
+#else
+ #error "No arch's"
+#endif
diff --git a/src/boost/libs/context/src/asm/ontop_ppc32_sysv_elf_gas.S b/src/boost/libs/context/src/asm/ontop_ppc32_sysv_elf_gas.S
new file mode 100644
index 000000000..464d99d59
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc32_sysv_elf_gas.S
@@ -0,0 +1,193 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * |bchai|hiddn| fpscr | PC | CR | R14 | R15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R16 | R17 | R18 | R19 | R20 | R21 | R22 | R23 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R24 | R25 | R26 | R27 | R28 | R29 | R30 | R31 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------|------------ *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | *
+ * ------------------------|------------ *
+ * | F30 | F31 |bchai| LR | *
+ * ------------------------|------------ *
+ * *
+ *******************************************************/
+
+.file "ontop_ppc32_sysv_elf_gas.S"
+.text
+.globl ontop_fcontext
+.align 2
+.type ontop_fcontext,@function
+ontop_fcontext:
+ # Linux: ontop_fcontext( hidden transfer_t * R3, R4, R5, R6)
+ # Other: transfer_t R3:R4 = jump_fcontext( R3, R4, R5)
+
+ mflr %r0 # return address from LR
+ mffs %f0 # FPSCR
+ mfcr %r8 # condition register
+
+ stwu %r1, -240(%r1) # allocate stack space, R1 % 16 == 0
+ stw %r0, 244(%r1) # save LR in caller's frame
+
+#ifdef __linux__
+ stw %r3, 4(%r1) # hidden pointer
+#endif
+
+ stfd %f0, 8(%r1) # FPSCR
+ stw %r0, 16(%r1) # LR as PC
+ stw %r8, 20(%r1) # CR
+
+ # Save registers R14 to R31.
+ # Don't change R2, the thread-local storage pointer.
+ # Don't change R13, the small data pointer.
+ stw %r14, 24(%r1)
+ stw %r15, 28(%r1)
+ stw %r16, 32(%r1)
+ stw %r17, 36(%r1)
+ stw %r18, 40(%r1)
+ stw %r19, 44(%r1)
+ stw %r20, 48(%r1)
+ stw %r21, 52(%r1)
+ stw %r22, 56(%r1)
+ stw %r23, 60(%r1)
+ stw %r24, 64(%r1)
+ stw %r25, 68(%r1)
+ stw %r26, 72(%r1)
+ stw %r27, 76(%r1)
+ stw %r28, 80(%r1)
+ stw %r29, 84(%r1)
+ stw %r30, 88(%r1)
+ stw %r31, 92(%r1)
+
+ # Save registers F14 to F31 in slots with 8-byte alignment.
+ # 4-byte alignment may stall the pipeline of some processors.
+ # Less than 4 may cause alignment traps.
+ stfd %f14, 96(%r1)
+ stfd %f15, 104(%r1)
+ stfd %f16, 112(%r1)
+ stfd %f17, 120(%r1)
+ stfd %f18, 128(%r1)
+ stfd %f19, 136(%r1)
+ stfd %f20, 144(%r1)
+ stfd %f21, 152(%r1)
+ stfd %f22, 160(%r1)
+ stfd %f23, 168(%r1)
+ stfd %f24, 176(%r1)
+ stfd %f25, 184(%r1)
+ stfd %f26, 192(%r1)
+ stfd %f27, 200(%r1)
+ stfd %f28, 208(%r1)
+ stfd %f29, 216(%r1)
+ stfd %f30, 224(%r1)
+ stfd %f31, 232(%r1)
+
+ # store RSP (pointing to context-data) in R7/R6
+ # restore RSP (pointing to context-data) from R4/R3
+#ifdef __linux__
+ mr %r7, %r1
+ mr %r1, %r4
+ lwz %r3, 4(%r1) # hidden pointer
+#else
+ mr %r6, %r1
+ mr %r1, %r3
+#endif
+
+ # ignore PC at 16(%r1)
+ lfd %f0, 8(%r1) # FPSCR
+ lwz %r8, 20(%r1) # CR
+
+ mtfsf 0xff, %f0 # restore FPSCR
+ mtcr %r8 # restore CR
+
+ # restore R14 to R31
+ lwz %r14, 24(%r1)
+ lwz %r15, 28(%r1)
+ lwz %r16, 32(%r1)
+ lwz %r17, 36(%r1)
+ lwz %r18, 40(%r1)
+ lwz %r19, 44(%r1)
+ lwz %r20, 48(%r1)
+ lwz %r21, 52(%r1)
+ lwz %r22, 56(%r1)
+ lwz %r23, 60(%r1)
+ lwz %r24, 64(%r1)
+ lwz %r25, 68(%r1)
+ lwz %r26, 72(%r1)
+ lwz %r27, 76(%r1)
+ lwz %r28, 80(%r1)
+ lwz %r29, 84(%r1)
+ lwz %r30, 88(%r1)
+ lwz %r31, 92(%r1)
+
+ # restore F14 to F31
+ lfd %f14, 96(%r1)
+ lfd %f15, 104(%r1)
+ lfd %f16, 112(%r1)
+ lfd %f17, 120(%r1)
+ lfd %f18, 128(%r1)
+ lfd %f19, 136(%r1)
+ lfd %f20, 144(%r1)
+ lfd %f21, 152(%r1)
+ lfd %f22, 160(%r1)
+ lfd %f23, 168(%r1)
+ lfd %f24, 176(%r1)
+ lfd %f25, 184(%r1)
+ lfd %f26, 192(%r1)
+ lfd %f27, 200(%r1)
+ lfd %f28, 208(%r1)
+ lfd %f29, 216(%r1)
+ lfd %f30, 224(%r1)
+ lfd %f31, 232(%r1)
+
+ # restore LR from caller's frame
+ lwz %r0, 244(%r1)
+ mtlr %r0
+
+ # adjust stack
+ addi %r1, %r1, 240
+
+ # see tail_ppc32_sysv_elf_gas.cpp
+ # Linux: fcontext_ontop_tail( hidden transfer_t * R3, R4, R5, R6, R7)
+ # Other: transfer_t R3:R4 = fcontext_ontop_tail( R3, R4, R5, R6)
+ b ontop_fcontext_tail
+.size ontop_fcontext, .-ontop_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_ppc32_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_ppc32_sysv_macho_gas.S
new file mode 100644
index 000000000..1eb5f9340
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc32_sysv_macho_gas.S
@@ -0,0 +1,201 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.globl _ontop_fcontext
+.align 2
+_ontop_fcontext:
+ # reserve space on stack
+ subi r1, r1, 244
+
+ stfd f14, 0(r1) # save F14
+ stfd f15, 8(r1) # save F15
+ stfd f16, 16(r1) # save F16
+ stfd f17, 24(r1) # save F17
+ stfd f18, 32(r1) # save F18
+ stfd f19, 40(r1) # save F19
+ stfd f20, 48(r1) # save F20
+ stfd f21, 56(r1) # save F21
+ stfd f22, 64(r1) # save F22
+ stfd f23, 72(r1) # save F23
+ stfd f24, 80(r1) # save F24
+ stfd f25, 88(r1) # save F25
+ stfd f26, 96(r1) # save F26
+ stfd f27, 104(r1) # save F27
+ stfd f28, 112(r1) # save F28
+ stfd f29, 120(r1) # save F29
+ stfd f30, 128(r1) # save F30
+ stfd f31, 136(r1) # save F31
+ mffs f0 # load FPSCR
+ stfd f0, 144(r1) # save FPSCR
+
+ stw r13, 152(r1) # save R13
+ stw r14, 156(r1) # save R14
+ stw r15, 160(r1) # save R15
+ stw r16, 164(r1) # save R16
+ stw r17, 168(r1) # save R17
+ stw r18, 172(r1) # save R18
+ stw r19, 176(r1) # save R19
+ stw r20, 180(r1) # save R20
+ stw r21, 184(r1) # save R21
+ stw r22, 188(r1) # save R22
+ stw r23, 192(r1) # save R23
+ stw r24, 196(r1) # save R24
+ stw r25, 200(r1) # save R25
+ stw r26, 204(r1) # save R26
+ stw r27, 208(r1) # save R27
+ stw r28, 212(r1) # save R28
+ stw r29, 216(r1) # save R29
+ stw r30, 220(r1) # save R30
+ stw r31, 224(r1) # save R31
+ stw r3, 228(r1) # save hidden
+
+ # save CR
+ mfcr r0
+ stw r0, 232(r1)
+ # save LR
+ mflr r0
+ stw r0, 236(r1)
+ # save LR as PC
+ stw r0, 240(r1)
+
+ # store RSP (pointing to context-data) in R7
+ mr r7, r1
+
+ # restore RSP (pointing to context-data) from R4
+ mr r1, r4
+
+ lfd f14, 0(r1) # restore F14
+ lfd f15, 8(r1) # restore F15
+ lfd f16, 16(r1) # restore F16
+ lfd f17, 24(r1) # restore F17
+ lfd f18, 32(r1) # restore F18
+ lfd f19, 40(r1) # restore F19
+ lfd f20, 48(r1) # restore F20
+ lfd f21, 56(r1) # restore F21
+ lfd f22, 64(r1) # restore F22
+ lfd f23, 72(r1) # restore F23
+ lfd f24, 80(r1) # restore F24
+ lfd f25, 88(r1) # restore F25
+ lfd f26, 96(r1) # restore F26
+ lfd f27, 104(r1) # restore F27
+ lfd f28, 112(r1) # restore F28
+ lfd f29, 120(r1) # restore F29
+ lfd f30, 128(r1) # restore F30
+ lfd f31, 136(r1) # restore F31
+ lfd f0, 144(r1) # load FPSCR
+ mtfsf 0xff, f0 # restore FPSCR
+
+ lwz r13, 152(r1) # restore R13
+ lwz r14, 156(r1) # restore R14
+ lwz r15, 160(r1) # restore R15
+ lwz r16, 164(r1) # restore R16
+ lwz r17, 168(r1) # restore R17
+ lwz r18, 172(r1) # restore R18
+ lwz r19, 176(r1) # restore R19
+ lwz r20, 180(r1) # restore R20
+ lwz r21, 184(r1) # restore R21
+ lwz r22, 188(r1) # restore R22
+ lwz r23, 192(r1) # restore R23
+ lwz r24, 196(r1) # restore R24
+ lwz r25, 200(r1) # restore R25
+ lwz r26, 204(r1) # restore R26
+ lwz r27, 208(r1) # restore R27
+ lwz r28, 212(r1) # restore R28
+ lwz r29, 216(r1) # restore R29
+ lwz r30, 220(r1) # restore R30
+ lwz r31, 224(r1) # restore R31
+ lwz r4, 228(r1) # restore hidden
+
+ # restore CR
+ lwz r0, 232(r1)
+ mtcr r0
+ # restore LR
+ lwz r0, 236(r1)
+ mtlr r0
+ # ignore PC
+
+ # adjust stack
+ addi r1, r1, 244
+
+ # return transfer_t
+ stw r7, 0(r4)
+ stw r5, 4(r4)
+
+ # restore CTR
+ mtctr r6
+
+ # jump to ontop-function
+ bctr
diff --git a/src/boost/libs/context/src/asm/ontop_ppc32_sysv_xcoff_gas.S b/src/boost/libs/context/src/asm/ontop_ppc32_sysv_xcoff_gas.S
new file mode 100644
index 000000000..a3c9fa233
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc32_sysv_xcoff_gas.S
@@ -0,0 +1,203 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+.globl .ontop_fcontext
+.globl ontop_fcontext[DS]
+.align 2
+.csect ontop_fcontext[DS]
+ontop_fcontext:
+ .long .ontop_fcontext
+.ontop_fcontext:
+ # reserve space on stack
+ subi r1, r1, 244
+
+ stfd f14, 0(r1) # save F14
+ stfd f15, 8(r1) # save F15
+ stfd f16, 16(r1) # save F16
+ stfd f17, 24(r1) # save F17
+ stfd f18, 32(r1) # save F18
+ stfd f19, 40(r1) # save F19
+ stfd f20, 48(r1) # save F20
+ stfd f21, 56(r1) # save F21
+ stfd f22, 64(r1) # save F22
+ stfd f23, 72(r1) # save F23
+ stfd f24, 80(r1) # save F24
+ stfd f25, 88(r1) # save F25
+ stfd f26, 96(r1) # save F26
+ stfd f27, 104(r1) # save F27
+ stfd f28, 112(r1) # save F28
+ stfd f29, 120(r1) # save F29
+ stfd f30, 128(r1) # save F30
+ stfd f31, 136(r1) # save F31
+ mffs f0 # load FPSCR
+ stfd f0, 144(r1) # save FPSCR
+
+ stw r13, 152(r1) # save R13
+ stw r14, 156(r1) # save R14
+ stw r15, 160(r1) # save R15
+ stw r16, 164(r1) # save R16
+ stw r17, 168(r1) # save R17
+ stw r18, 172(r1) # save R18
+ stw r19, 176(r1) # save R19
+ stw r20, 180(r1) # save R20
+ stw r21, 184(r1) # save R21
+ stw r22, 188(r1) # save R22
+ stw r23, 192(r1) # save R23
+ stw r24, 196(r1) # save R24
+ stw r25, 200(r1) # save R25
+ stw r26, 204(r1) # save R26
+ stw r27, 208(r1) # save R27
+ stw r28, 212(r1) # save R28
+ stw r29, 216(r1) # save R29
+ stw r30, 220(r1) # save R30
+ stw r31, 224(r1) # save R31
+ stw r3, 228(r1) # save hidden
+
+ # save CR
+ mfcr r0
+ stw r0, 232(r1)
+ # save LR
+ mflr r0
+ stw r0, 236(r1)
+ # save LR as PC
+ stw r0, 240(r1)
+
+ # store RSP (pointing to context-data) in R7
+ mr r7, r1
+
+ # restore RSP (pointing to context-data) from R4
+ mr r1, r4
+
+ lfd f14, 0(r1) # restore F14
+ lfd f15, 8(r1) # restore F15
+ lfd f16, 16(r1) # restore F16
+ lfd f17, 24(r1) # restore F17
+ lfd f18, 32(r1) # restore F18
+ lfd f19, 40(r1) # restore F19
+ lfd f20, 48(r1) # restore F20
+ lfd f21, 56(r1) # restore F21
+ lfd f22, 64(r1) # restore F22
+ lfd f23, 72(r1) # restore F23
+ lfd f24, 80(r1) # restore F24
+ lfd f25, 88(r1) # restore F25
+ lfd f26, 96(r1) # restore F26
+ lfd f27, 104(r1) # restore F27
+ lfd f28, 112(r1) # restore F28
+ lfd f29, 120(r1) # restore F29
+ lfd f30, 128(r1) # restore F30
+ lfd f31, 136(r1) # restore F31
+ lfd f0, 144(r1) # load FPSCR
+ mtfsf 0xff, f0 # restore FPSCR
+
+ lwz r13, 152(r1) # restore R13
+ lwz r14, 156(r1) # restore R14
+ lwz r15, 160(r1) # restore R15
+ lwz r16, 164(r1) # restore R16
+ lwz r17, 168(r1) # restore R17
+ lwz r18, 172(r1) # restore R18
+ lwz r19, 176(r1) # restore R19
+ lwz r20, 180(r1) # restore R20
+ lwz r21, 184(r1) # restore R21
+ lwz r22, 188(r1) # restore R22
+ lwz r23, 192(r1) # restore R23
+ lwz r24, 196(r1) # restore R24
+ lwz r25, 200(r1) # restore R25
+ lwz r26, 204(r1) # restore R26
+ lwz r27, 208(r1) # restore R27
+ lwz r28, 212(r1) # restore R28
+ lwz r29, 216(r1) # restore R29
+ lwz r30, 220(r1) # restore R30
+ lwz r31, 224(r1) # restore R31
+ lwz r4, 228(r1) # restore hidden
+
+ # restore CR
+ lwz r0, 232(r1)
+ mtcr r0
+ # restore LR
+ lwz r0, 236(r1)
+ mtlr r0
+ # ignore PC
+
+ # adjust stack
+ addi r1, r1, 244
+
+ # return transfer_t
+ stw r7, 0(r4)
+ stw r5, 4(r4)
+
+ # restore CTR
+ mtctr r6
+
+ # jump to ontop-function
+ bctr
diff --git a/src/boost/libs/context/src/asm/ontop_ppc64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/ontop_ppc64_sysv_elf_gas.S
new file mode 100644
index 000000000..cd97f4567
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc64_sysv_elf_gas.S
@@ -0,0 +1,244 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | TOC | R14 | R15 | R16 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R17 | R18 | R19 | R20 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R21 | R22 | R23 | R24 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | R25 | R26 | R27 | R28 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | R29 | R30 | R31 | hidden | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | CR | LR | PC | back-chain| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | cr saved | lr saved | compiler | linker | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | TOC saved | FCTX | DATA | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "ontop_ppc64_sysv_elf_gas.S"
+.globl ontop_fcontext
+#if _CALL_ELF == 2
+ .text
+ .align 2
+ontop_fcontext:
+ addis %r2, %r12, .TOC.-ontop_fcontext@ha
+ addi %r2, %r2, .TOC.-ontop_fcontext@l
+ .localentry ontop_fcontext, . - ontop_fcontext
+#else
+ .section ".opd","aw"
+ .align 3
+ontop_fcontext:
+# ifdef _CALL_LINUX
+ .quad .L.ontop_fcontext,.TOC.@tocbase,0
+ .type ontop_fcontext,@function
+ .text
+ .align 2
+.L.ontop_fcontext:
+# else
+ .hidden .ontop_fcontext
+ .globl .ontop_fcontext
+ .quad .ontop_fcontext,.TOC.@tocbase,0
+ .size ontop_fcontext,24
+ .type .ontop_fcontext,@function
+ .text
+ .align 2
+.ontop_fcontext:
+# endif
+#endif
+ # reserve space on stack
+ subi %r1, %r1, 184
+
+#if _CALL_ELF != 2
+ std %r2, 0(%r1) # save TOC
+#endif
+ std %r14, 8(%r1) # save R14
+ std %r15, 16(%r1) # save R15
+ std %r16, 24(%r1) # save R16
+ std %r17, 32(%r1) # save R17
+ std %r18, 40(%r1) # save R18
+ std %r19, 48(%r1) # save R19
+ std %r20, 56(%r1) # save R20
+ std %r21, 64(%r1) # save R21
+ std %r22, 72(%r1) # save R22
+ std %r23, 80(%r1) # save R23
+ std %r24, 88(%r1) # save R24
+ std %r25, 96(%r1) # save R25
+ std %r26, 104(%r1) # save R26
+ std %r27, 112(%r1) # save R27
+ std %r28, 120(%r1) # save R28
+ std %r29, 128(%r1) # save R29
+ std %r30, 136(%r1) # save R30
+ std %r31, 144(%r1) # save R31
+#if _CALL_ELF != 2
+ std %r3, 152(%r1) # save hidden
+#endif
+
+ # save CR
+ mfcr %r0
+ std %r0, 160(%r1)
+ # save LR
+ mflr %r0
+ std %r0, 168(%r1)
+ # save LR as PC
+ std %r0, 176(%r1)
+
+ # store RSP (pointing to context-data) in R7
+ mr %r7, %r1
+
+#if _CALL_ELF == 2
+ # restore RSP (pointing to context-data) from R3
+ mr %r1, %r3
+#else
+ # restore RSP (pointing to context-data) from R4
+ mr %r1, %r4
+#endif
+
+ ld %r14, 8(%r1) # restore R14
+ ld %r15, 16(%r1) # restore R15
+ ld %r16, 24(%r1) # restore R16
+ ld %r17, 32(%r1) # restore R17
+ ld %r18, 40(%r1) # restore R18
+ ld %r19, 48(%r1) # restore R19
+ ld %r20, 56(%r1) # restore R20
+ ld %r21, 64(%r1) # restore R21
+ ld %r22, 72(%r1) # restore R22
+ ld %r23, 80(%r1) # restore R23
+ ld %r24, 88(%r1) # restore R24
+ ld %r25, 96(%r1) # restore R25
+ ld %r26, 104(%r1) # restore R26
+ ld %r27, 112(%r1) # restore R27
+ ld %r28, 120(%r1) # restore R28
+ ld %r29, 128(%r1) # restore R29
+ ld %r30, 136(%r1) # restore R30
+ ld %r31, 144(%r1) # restore R31
+#if _CALL_ELF != 2
+ ld %r3, 152(%r1) # restore hidden
+#endif
+
+ # restore CR
+ ld %r0, 160(%r1)
+ mtcr %r0
+
+#if _CALL_ELF == 2
+ # restore CTR
+ mtctr %r5
+
+ # store cb entrypoint in %r12, used for TOC calculation
+ mr %r12, %r5
+
+ # copy transfer_t into ontop_fn arg registers
+ mr %r3, %r7
+ # arg pointer already in %r4
+#else
+ # copy transfer_t into ontop_fn arg registers
+ mr %r4, %r7
+ # arg pointer already in %r5
+ # hidden arg already in %r3
+
+ # restore CTR
+ ld %r7, 0(%r6)
+ mtctr %r7
+ # restore TOC
+ ld %r2, 8(%r6)
+
+ # zero in r3 indicates first jump to context-function
+ cmpdi %r3, 0
+ beq use_entry_arg
+#endif
+
+return_to_ctx:
+ # restore LR
+ ld %r0, 168(%r1)
+ mtlr %r0
+
+ # adjust stack
+ addi %r1, %r1, 184
+
+ # jump to context
+ bctr
+
+#if _CALL_ELF == 2
+ .size ontop_fcontext, .-ontop_fcontext
+#else
+use_entry_arg:
+ # compute return-value struct address
+ # (passed has hidden arg to ontop_fn)
+ addi %r3, %r1, 8
+
+ # jump to context and update LR
+ bctrl
+
+ # restore CTR
+ ld %r7, 176(%r1)
+ mtctr %r7
+#if _CALL_ELF != 2
+ # restore TOC
+ ld %r2, 0(%r1)
+#endif
+
+ # copy returned transfer_t into entry_fn arg registers
+ ld %r3, 8(%r1)
+ ld %r4, 16(%r1)
+
+ b return_to_ctx
+# ifdef _CALL_LINUX
+ .size .ontop_fcontext, .-.L.ontop_fcontext
+# else
+ .size .ontop_fcontext, .-.ontop_fcontext
+# endif
+#endif
+
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_ppc64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_ppc64_sysv_macho_gas.S
new file mode 100644
index 000000000..5de8acd10
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc64_sysv_macho_gas.S
@@ -0,0 +1,151 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | TOC | R14 | R15 | R16 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | R17 | R18 | R19 | R20 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | R21 | R22 | R23 | R24 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | R25 | R26 | R27 | R28 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | R29 | R30 | R31 | hidden | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | CR | LR | PC | back-chain| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | cr saved | lr saved | compiler | linker | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | TOC saved | FCTX | DATA | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.text
+.align 2
+.globl _ontop_fcontext
+
+_ontop_fcontext:
+ ; reserve space on stack
+ subi r1, r1, 184
+
+ std r14, 8(r1) ; save R14
+ std r15, 16(r1) ; save R15
+ std r16, 24(r1) ; save R16
+ std r17, 32(r1) ; save R17
+ std r18, 40(r1) ; save R18
+ std r19, 48(r1) ; save R19
+ std r20, 56(r1) ; save R20
+ std r21, 64(r1) ; save R21
+ std r22, 72(r1) ; save R22
+ std r23, 80(r1) ; save R23
+ std r24, 88(r1) ; save R24
+ std r25, 96(r1) ; save R25
+ std r26, 104(r1) ; save R26
+ std r27, 112(r1) ; save R27
+ std r28, 120(r1) ; save R28
+ std r29, 128(r1) ; save R29
+ std r30, 136(r1) ; save R30
+ std r31, 144(r1) ; save R31
+ std r3, 152(r1) ; save hidden
+
+ ; save CR
+ mfcr r0
+ std r0, 160(r1)
+ ; save LR
+ mflr r0
+ std r0, 168(r1)
+ ; save LR as PC
+ std r0, 176(r1)
+
+ ; store RSP (pointing to context-data) in R7
+ mr r7, r1
+
+ ; restore RSP (pointing to context-data) from R4
+ mr r1, r4
+
+ ld r14, 8(r1) ; restore R14
+ ld r15, 16(r1) ; restore R15
+ ld r16, 24(r1) ; restore R16
+ ld r17, 32(r1) ; restore R17
+ ld r18, 40(r1) ; restore R18
+ ld r19, 48(r1) ; restore R19
+ ld r20, 56(r1) ; restore R20
+ ld r21, 64(r1) ; restore R21
+ ld r22, 72(r1) ; restore R22
+ ld r23, 80(r1) ; restore R23
+ ld r24, 88(r1) ; restore R24
+ ld r25, 96(r1) ; restore R25
+ ld r26, 104(r1) ; restore R26
+ ld r27, 112(r1) ; restore R27
+ ld r28, 120(r1) ; restore R28
+ ld r29, 128(r1) ; restore R29
+ ld r30, 136(r1) ; restore R30
+ ld r31, 144(r1) ; restore R31
+ ld r4, 152(r1) ; restore hidden
+
+ ; restore CR
+ ld r0, 160(r1)
+ mtcr r0
+ ; restore LR
+ ld r0, 168(r1)
+ mtlr r0
+ ; ignore PC
+
+ ; adjust stack
+ addi r1, r1, 184
+
+ ; return transfer_t
+ std r7, 0(r4)
+ std r5, 8(r4)
+
+ ; restore CTR
+ mtctr r6
+
+ ; jump to context
+ bctr
diff --git a/src/boost/libs/context/src/asm/ontop_ppc64_sysv_xcoff_gas.S b/src/boost/libs/context/src/asm/ontop_ppc64_sysv_xcoff_gas.S
new file mode 100644
index 000000000..93f8c2342
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_ppc64_sysv_xcoff_gas.S
@@ -0,0 +1,83 @@
+.align 2
+.globl .ontop_fcontext
+.ontop_fcontext:
+ # reserve space on stack
+ subi 1, 1, 184
+
+ std 13, 0(1) # save R13
+ std 14, 8(1) # save R14
+ std 15, 16(1) # save R15
+ std 16, 24(1) # save R16
+ std 17, 32(1) # save R17
+ std 18, 40(1) # save R18
+ std 19, 48(1) # save R19
+ std 20, 56(1) # save R20
+ std 21, 64(1) # save R21
+ std 22, 72(1) # save R22
+ std 23, 80(1) # save R23
+ std 24, 88(1) # save R24
+ std 25, 96(1) # save R25
+ std 26, 104(1) # save R26
+ std 27, 112(1) # save R27
+ std 29, 120(1) # save R28
+ std 29, 128(1) # save R29
+ std 30, 136(1) # save R30
+ std 31, 144(1) # save R31
+ std 3, 152(1) # save hidden
+
+ # save CR
+ mfcr 0
+ std 0, 160(1)
+ # save LR
+ mflr 0
+ std 0, 168(1)
+ # save LR as PC
+ std 0, 176(1)
+
+ # store RSP (pointing to context-data) in R7
+ mr 7, 1
+
+ # restore RSP (pointing to context-data) from R4
+ mr 1, 4
+
+ ld 13, 0(1) # restore R13
+ ld 14, 8(1) # restore R14
+ ld 15, 16(1) # restore R15
+ ld 16, 24(1) # restore R16
+ ld 17, 32(1) # restore R17
+ ld 18, 40(1) # restore R18
+ ld 19, 48(1) # restore R19
+ ld 20, 56(1) # restore R20
+ ld 21, 64(1) # restore R21
+ ld 22, 72(1) # restore R22
+ ld 23, 80(1) # restore R23
+ ld 24, 88(1) # restore R24
+ ld 25, 96(1) # restore R25
+ ld 26, 104(1) # restore R26
+ ld 27, 112(1) # restore R27
+ ld 28, 120(1) # restore R28
+ ld 29, 128(1) # restore R29
+ ld 30, 136(1) # restore R30
+ ld 31, 144(1) # restore R31
+ ld 4, 152(1) # restore hidden
+
+ # restore CR
+ ld 0, 160(1)
+ mtcr 0
+ # restore LR
+ ld 0, 168(1)
+ mtlr 0
+ # ignore PC
+
+ # adjust stack
+ addi 1, 1, 184
+
+ # return transfer_t
+ std 7, 0(4)
+ std 5, 8(4)
+
+ # restore CTR
+ mtctr 6
+
+ # jump to context
+ bctr
diff --git a/src/boost/libs/context/src/asm/ontop_riscv64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/ontop_riscv64_sysv_elf_gas.S
new file mode 100644
index 000000000..61ab46bcc
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_riscv64_sysv_elf_gas.S
@@ -0,0 +1,149 @@
+/*
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+/*******************************************************
+ * *
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c| *
+ * ------------------------------------------------- *
+ * | fs0 | fs1 | fs2 | fs3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
+ * ------------------------------------------------- *
+ * | fs4 | fs5 | fs6 | fs7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
+ * ------------------------------------------------- *
+ * | fs8 | fs9 | fs10 | fs11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
+ * ------------------------------------------------- *
+ * | s0 | s1 | s2 | s3 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
+ * ------------------------------------------------- *
+ * | s4 | s5 | s6 | s7 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 0xa0| 0xa4| 0xa8| 0xac| 0xb0| 0xb4| 0xb8| 0xbc| *
+ * ------------------------------------------------- *
+ * | s8 | s9 | s10 | s11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | | | | | *
+ * ------------------------------------------------- *
+ * | 0xc0| 0xc4| 0xc8| 0xcc| | | | | *
+ * ------------------------------------------------- *
+ * | ra | pc | | | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
+
+.file "ontop_riscv64_sysv_elf_gas.S"
+.text
+.align 1
+.global ontop_fcontext
+.type ontop_fcontext, %function
+ontop_fcontext:
+ # prepare stack for GP + FPU
+ addi sp, sp, -0xd0
+
+ # save fs0 - fs11
+ fsd fs0, 0x00(sp)
+ fsd fs1, 0x08(sp)
+ fsd fs2, 0x10(sp)
+ fsd fs3, 0x18(sp)
+ fsd fs4, 0x20(sp)
+ fsd fs5, 0x28(sp)
+ fsd fs6, 0x30(sp)
+ fsd fs7, 0x38(sp)
+ fsd fs8, 0x40(sp)
+ fsd fs9, 0x48(sp)
+ fsd fs10, 0x50(sp)
+ fsd fs11, 0x58(sp)
+
+ # save s0-s11, ra
+ sd s0, 0x60(sp)
+ sd s1, 0x68(sp)
+ sd s2, 0x70(sp)
+ sd s3, 0x78(sp)
+ sd s4, 0x80(sp)
+ sd s5, 0x88(sp)
+ sd s6, 0x90(sp)
+ sd s7, 0x98(sp)
+ sd s8, 0xa0(sp)
+ sd s9, 0xa8(sp)
+ sd s10, 0xb0(sp)
+ sd s11, 0xb8(sp)
+ sd ra, 0xc0(sp)
+
+ # save RA as PC
+ sd ra, 0xc8(sp)
+
+ # store SP (pointing to context-data) in A3
+ mv a3, sp
+
+ # restore SP (pointing to context-data) from A0
+ mv sp, a0
+
+ # load fs0 - fs11
+ fld fs0, 0x00(sp)
+ fld fs1, 0x08(sp)
+ fld fs2, 0x10(sp)
+ fld fs3, 0x18(sp)
+ fld fs4, 0x20(sp)
+ fld fs5, 0x28(sp)
+ fld fs6, 0x30(sp)
+ fld fs7, 0x38(sp)
+ fld fs8, 0x40(sp)
+ fld fs9, 0x48(sp)
+ fld fs10, 0x50(sp)
+ fld fs11, 0x58(sp)
+
+ # load s0-s11,ra
+ ld s0, 0x60(sp)
+ ld s1, 0x68(sp)
+ ld s2, 0x70(sp)
+ ld s3, 0x78(sp)
+ ld s4, 0x80(sp)
+ ld s5, 0x88(sp)
+ ld s6, 0x90(sp)
+ ld s7, 0x98(sp)
+ ld s8, 0xa0(sp)
+ ld s9, 0xa8(sp)
+ ld s10, 0xb0(sp)
+ ld s11, 0xb8(sp)
+ ld ra, 0xc0(sp)
+
+ # return transfer_t from jump
+ # pass transfer_t as first arg in context function
+ # a0 == FCTX, a1 == DATA
+ mv a0, a3
+
+ # skip pc
+ # restore stack from GP + FPU
+ addi sp, sp, 0xd0
+
+ # jump to ontop-function
+ jr a2
+.size ontop_fcontext,.-ontop_fcontext
+# Mark that we don't need executable stack.
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_s390x_sysv_elf_gas.S b/src/boost/libs/context/src/asm/ontop_s390x_sysv_elf_gas.S
new file mode 100644
index 000000000..709b3d602
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_s390x_sysv_elf_gas.S
@@ -0,0 +1,146 @@
+/*******************************************************
+ * ------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ------------------------------------------------- *
+ * | 0 | 8 | 16 | 24 | *
+ * ------------------------------------------------- *
+ * | t.fctx | t.data | r2 | r6 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 40 | 48 | 56 | *
+ * ------------------------------------------------- *
+ * | r7 | r8 | r9 | r10 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 72 | 80 | 88 | *
+ * ------------------------------------------------- *
+ * | r11 | r12 | r13 | r14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 104 | 112 | 120 | *
+ * ------------------------------------------------- *
+ * | f8 | f9 | f10 | f11 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 136 | 144 | 152 | *
+ * ------------------------------------------------- *
+ * | f12 | f13 | f14 | f15 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 168 | 176 | | *
+ * ------------------------------------------------- *
+ * | fpc | pc | | | *
+ * ------------------------------------------------- *
+ *******************************************************/
+
+.text
+.align 8
+.global ontop_fcontext
+.type ontop_fcontext, @function
+
+#define ARG_OFFSET 0
+#define GR_OFFSET 16
+#define R14_OFFSET 88
+#define FP_OFFSET 96
+#define FPC_OFFSET 160
+#define PC_OFFSET 168
+#define CONTEXT_SIZE 176
+
+
+/*
+
+typedef void* fcontext_t;
+
+struct transfer_t {
+ fcontext_t fctx;
+ void * data;
+};
+
+transfer_t ontop_fcontext( fcontext_t const to,
+ void * vp,
+ transfer_t (* fn)( transfer_t) );
+
+Incoming args
+r2 - Hidden argument to the location where the return transfer_t needs to be returned
+r3 - Target context
+r4 - Data pointer
+r5 - Function to be executed
+
+This implementation assumes that ontop_fcontext will never be called with target contexts
+created via make_fcontext.
+
+*/
+
+ontop_fcontext:
+ /* Reserve stack space to store the current context. */
+ aghi %r15,-CONTEXT_SIZE
+
+ /* Save the argument register holding the location of the return value. */
+ stg %r2,GR_OFFSET(%r15)
+
+ /* Save the call-saved general purpose registers. */
+ stmg %r6,%r14,GR_OFFSET+8(%r15)
+
+ /* Save call-saved floating point registers. */
+ std %f8,FP_OFFSET(%r15)
+ std %f9,FP_OFFSET+8(%r15)
+ std %f10,FP_OFFSET+16(%r15)
+ std %f11,FP_OFFSET+24(%r15)
+ std %f12,FP_OFFSET+32(%r15)
+ std %f13,FP_OFFSET+40(%r15)
+ std %f14,FP_OFFSET+48(%r15)
+ std %f15,FP_OFFSET+56(%r15)
+
+ /* Save the return address as current pc. */
+ stg %r14,PC_OFFSET(%r15)
+
+ /* Save the floating point control register. */
+ stfpc FPC_OFFSET(%r15)
+
+ /* Backup the stack pointer pointing to the old context-data into r1. */
+ lgr %r1,%r15
+
+ /* Load the new context pointer as stack pointer. */
+ lgr %r15,%r3
+
+ /* Restore the call-saved GPRs from the new context. */
+ lmg %r6,%r14,GR_OFFSET+8(%r15)
+
+ /* Restore call-saved floating point registers. */
+ ld %f8,FP_OFFSET(%r15)
+ ld %f9,FP_OFFSET+8(%r15)
+ ld %f10,FP_OFFSET+16(%r15)
+ ld %f11,FP_OFFSET+24(%r15)
+ ld %f12,FP_OFFSET+32(%r15)
+ ld %f13,FP_OFFSET+40(%r15)
+ ld %f14,FP_OFFSET+48(%r15)
+ ld %f15,FP_OFFSET+56(%r15)
+
+ /* Load the floating point control register. */
+ lfpc FPC_OFFSET(%r15)
+
+ /* Store the transfer_t values located in the saved context. */
+ stg %r1,0(%r1) /* transfer_t.fctx = old context */
+ stg %r4,8(%r1) /* transfer_t.data = data */
+
+ /* Set up the arguments for the target function. */
+ lg %r2,GR_OFFSET(%r15)
+ lgr %r3,%r1
+
+ /* Deallocate the context. */
+ aghi %r15,CONTEXT_SIZE
+
+ br %r5
+
+.size ontop_fcontext,.-ontop_fcontext
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_gas.asm b/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_gas.asm
new file mode 100644
index 000000000..02e040c9d
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_gas.asm
@@ -0,0 +1,211 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Copyright Thomas Sailer 2013.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/*************************************************************************************
+* ---------------------------------------------------------------------------------- *
+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c | *
+* ---------------------------------------------------------------------------------- *
+* | SEE registers (XMM6-XMM15) | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc | *
+* ---------------------------------------------------------------------------------- *
+* | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc | *
+* ---------------------------------------------------------------------------------- *
+* | limit | base | R12 | R13 | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | *
+* ---------------------------------------------------------------------------------- *
+* | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc | *
+* ---------------------------------------------------------------------------------- *
+* | R14 | R15 | RDI | RSI | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c | *
+* ---------------------------------------------------------------------------------- *
+* | RBX | RBP | hidden | RIP | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c | *
+* ---------------------------------------------------------------------------------- *
+* | parameter area | *
+* ---------------------------------------------------------------------------------- *
+* ---------------------------------------------------------------------------------- *
+* | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | *
+* ---------------------------------------------------------------------------------- *
+* | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c | *
+* ---------------------------------------------------------------------------------- *
+* | FCTX | DATA | | *
+* ---------------------------------------------------------------------------------- *
+**************************************************************************************/
+
+.file "ontop_x86_64_ms_pe_gas.asm"
+.text
+.p2align 4,,15
+.globl ontop_fcontext
+.def ontop_fcontext; .scl 2; .type 32; .endef
+.seh_proc ontop_fcontext
+ontop_fcontext:
+.seh_endprologue
+
+ leaq -0x118(%rsp), %rsp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ /* save XMM storage */
+ movaps %xmm6, 0x0(%rsp)
+ movaps %xmm7, 0x10(%rsp)
+ movaps %xmm8, 0x20(%rsp)
+ movaps %xmm9, 0x30(%rsp)
+ movaps %xmm10, 0x40(%rsp)
+ movaps %xmm11, 0x50(%rsp)
+ movaps %xmm12, 0x60(%rsp)
+ movaps %xmm13, 0x70(%rsp)
+ movaps %xmm14, 0x80(%rsp)
+ movaps %xmm15, 0x90(%rsp)
+ stmxcsr 0xa0(%rsp) /* save MMX control- and status-word */
+ fnstcw 0xa4(%rsp) /* save x87 control-word */
+#endif
+
+ /* load NT_TIB */
+ movq %gs:(0x30), %r10
+ /* save fiber local storage */
+ movq 0x20(%r10), %rax
+ movq %rax, 0xb0(%rsp)
+ /* save current deallocation stack */
+ movq 0x1478(%r10), %rax
+ movq %rax, 0xb8(%rsp)
+ /* save current stack limit */
+ movq 0x10(%r10), %rax
+ movq %rax, 0xc0(%rsp)
+ /* save current stack base */
+ movq 0x08(%r10), %rax
+ movq %rax, 0xc8(%rsp)
+
+ movq %r12, 0xd0(%rsp) /* save R12 */
+ movq %r13, 0xd8(%rsp) /* save R13 */
+ movq %r14, 0xe0(%rsp) /* save R14 */
+ movq %r15, 0xe8(%rsp) /* save R15 */
+ movq %rdi, 0xf0(%rsp) /* save RDI */
+ movq %rsi, 0xf8(%rsp) /* save RSI */
+ movq %rbx, 0x100(%rsp) /* save RBX */
+ movq %rbp, 0x108(%rsp) /* save RBP */
+
+ movq %rcx, 0x110(%rsp) /* save hidden address of transport_t */
+
+ /* preserve RSP (pointing to context-data) in RCX */
+ movq %rsp, %rcx
+
+ /* restore RSP (pointing to context-data) from RDX */
+ movq %rdx, %rsp
+
+#if !defined(BOOST_USE_TSX)
+ /* restore XMM storage */
+ movaps 0x0(%rsp), %xmm6
+ movaps 0x10(%rsp), %xmm7
+ movaps 0x20(%rsp), %xmm8
+ movaps 0x30(%rsp), %xmm9
+ movaps 0x40(%rsp), %xmm10
+ movaps 0x50(%rsp), %xmm11
+ movaps 0x60(%rsp), %xmm12
+ movaps 0x70(%rsp), %xmm13
+ movaps 0x80(%rsp), %xmm14
+ movaps 0x90(%rsp), %xmm15
+ ldmxcsr 0xa0(%rsp) /* restore MMX control- and status-word */
+ fldcw 0xa4(%rsp) /* restore x87 control-word */
+#endif
+
+ /* load NT_TIB */
+ movq %gs:(0x30), %r10
+ /* restore fiber local storage */
+ movq 0xb0(%rsp), %rax
+ movq %rax, 0x20(%r10)
+ /* restore current deallocation stack */
+ movq 0xb8(%rsp), %rax
+ movq %rax, 0x1478(%r10)
+ /* restore current stack limit */
+ movq 0xc0(%rsp), %rax
+ movq %rax, 0x10(%r10)
+ /* restore current stack base */
+ movq 0xc8(%rsp), %rax
+ movq %rax, 0x08(%r10)
+
+ movq 0xd0(%rsp), %r12 /* restore R12 */
+ movq 0xd8(%rsp), %r13 /* restore R13 */
+ movq 0xe0(%rsp), %r14 /* restore R14 */
+ movq 0xe8(%rsp), %r15 /* restore R15 */
+ movq 0xf0(%rsp), %rdi /* restore RDI */
+ movq 0xf8(%rsp), %rsi /* restore RSI */
+ movq 0x100(%rsp), %rbx /* restore RBX */
+ movq 0x108(%rsp), %rbp /* restore RBP */
+
+ movq 0x110(%rsp), %rax /* restore hidden address of transport_t */
+
+ leaq 0x118(%rsp), %rsp /* prepare stack */
+
+ /* keep return-address on stack */
+
+ /* transport_t returned in RAX */
+ /* return parent fcontext_t */
+ movq %rcx, 0x0(%rax)
+ /* return data */
+ movq %r8, 0x8(%rax)
+
+ /* transport_t as 1.arg of context-function */
+ /* RCX contains address of returned (hidden) transfer_t */
+ movq %rax, %rcx
+ /* RDX contains address of passed transfer_t */
+ movq %rax, %rdx
+
+ /* indirect jump to context */
+ jmp *%r9
+.seh_endproc
+
+.section .drectve
+.ascii " -export:\"ontop_fcontext\""
diff --git a/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_masm.asm b/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_masm.asm
new file mode 100644
index 000000000..b57dd1588
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_masm.asm
@@ -0,0 +1,207 @@
+
+; Copyright Oliver Kowalke 2009.
+; Distributed under the Boost Software License, Version 1.0.
+; (See accompanying file LICENSE_1_0.txt or copy at
+; http://www.boost.org/LICENSE_1_0.txt)
+
+; ----------------------------------------------------------------------------------
+; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+; ----------------------------------------------------------------------------------
+; | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+; ----------------------------------------------------------------------------------
+; | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
+; ----------------------------------------------------------------------------------
+; | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
+; ----------------------------------------------------------------------------------
+; | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 |
+; ----------------------------------------------------------------------------------
+; | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c |
+; ----------------------------------------------------------------------------------
+; | SEE registers (XMM6-XMM15) |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 |
+; ----------------------------------------------------------------------------------
+; | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc |
+; ----------------------------------------------------------------------------------
+; | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 |
+; ----------------------------------------------------------------------------------
+; | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc |
+; ----------------------------------------------------------------------------------
+; | limit | base | R12 | R13 |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 |
+; ----------------------------------------------------------------------------------
+; | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc |
+; ----------------------------------------------------------------------------------
+; | R14 | R15 | RDI | RSI |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
+; ----------------------------------------------------------------------------------
+; | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c |
+; ----------------------------------------------------------------------------------
+; | RBX | RBP | hidden | RIP |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 |
+; ----------------------------------------------------------------------------------
+; | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c |
+; ----------------------------------------------------------------------------------
+; | parameter area |
+; ----------------------------------------------------------------------------------
+; ----------------------------------------------------------------------------------
+; | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 |
+; ----------------------------------------------------------------------------------
+; | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c |
+; ----------------------------------------------------------------------------------
+; | FCTX | DATA | |
+; ----------------------------------------------------------------------------------
+
+.code
+
+ontop_fcontext PROC BOOST_CONTEXT_EXPORT FRAME
+ .endprolog
+
+ ; prepare stack
+ lea rsp, [rsp-0118h]
+
+IFNDEF BOOST_USE_TSX
+ ; save XMM storage
+ movaps [rsp], xmm6
+ movaps [rsp+010h], xmm7
+ movaps [rsp+020h], xmm8
+ movaps [rsp+030h], xmm9
+ movaps [rsp+040h], xmm10
+ movaps [rsp+050h], xmm11
+ movaps [rsp+060h], xmm12
+ movaps [rsp+070h], xmm13
+ movaps [rsp+080h], xmm14
+ movaps [rsp+090h], xmm15
+ ; save MMX control- and status-word
+ stmxcsr [rsp+0a0h]
+ ; save x87 control-word
+ fnstcw [rsp+0a4h]
+ENDIF
+
+ ; load NT_TIB
+ mov r10, gs:[030h]
+ ; save fiber local storage
+ mov rax, [r10+020h]
+ mov [rsp+0b0h], rax
+ ; save current deallocation stack
+ mov rax, [r10+01478h]
+ mov [rsp+0b8h], rax
+ ; save current stack limit
+ mov rax, [r10+010h]
+ mov [rsp+0c0h], rax
+ ; save current stack base
+ mov rax, [r10+08h]
+ mov [rsp+0c8h], rax
+
+ mov [rsp+0d0h], r12 ; save R12
+ mov [rsp+0d8h], r13 ; save R13
+ mov [rsp+0e0h], r14 ; save R14
+ mov [rsp+0e8h], r15 ; save R15
+ mov [rsp+0f0h], rdi ; save RDI
+ mov [rsp+0f8h], rsi ; save RSI
+ mov [rsp+0100h], rbx ; save RBX
+ mov [rsp+0108h], rbp ; save RBP
+
+ mov [rsp+0110h], rcx ; save hidden address of transport_t
+
+ ; preserve RSP (pointing to context-data) in RCX
+ mov rcx, rsp
+
+ ; restore RSP (pointing to context-data) from RDX
+ mov rsp, rdx
+
+IFNDEF BOOST_USE_TSX
+ ; restore XMM storage
+ movaps xmm6, [rsp]
+ movaps xmm7, [rsp+010h]
+ movaps xmm8, [rsp+020h]
+ movaps xmm9, [rsp+030h]
+ movaps xmm10, [rsp+040h]
+ movaps xmm11, [rsp+050h]
+ movaps xmm12, [rsp+060h]
+ movaps xmm13, [rsp+070h]
+ movaps xmm14, [rsp+080h]
+ movaps xmm15, [rsp+090h]
+ ; restore MMX control- and status-word
+ ldmxcsr [rsp+0a0h]
+ ; save x87 control-word
+ fldcw [rsp+0a4h]
+ENDIF
+
+ ; load NT_TIB
+ mov r10, gs:[030h]
+ ; restore fiber local storage
+ mov rax, [rsp+0b0h]
+ mov [r10+020h], rax
+ ; restore current deallocation stack
+ mov rax, [rsp+0b8h]
+ mov [r10+01478h], rax
+ ; restore current stack limit
+ mov rax, [rsp+0c0h]
+ mov [r10+010h], rax
+ ; restore current stack base
+ mov rax, [rsp+0c8h]
+ mov [r10+08h], rax
+
+ mov r12, [rsp+0d0h] ; restore R12
+ mov r13, [rsp+0d8h] ; restore R13
+ mov r14, [rsp+0e0h] ; restore R14
+ mov r15, [rsp+0e8h] ; restore R15
+ mov rdi, [rsp+0f0h] ; restore RDI
+ mov rsi, [rsp+0f8h] ; restore RSI
+ mov rbx, [rsp+0100h] ; restore RBX
+ mov rbp, [rsp+0108h] ; restore RBP
+
+ mov rax, [rsp+0110h] ; restore hidden address of transport_t
+
+ ; prepare stack
+ lea rsp, [rsp+0118h]
+
+ ; keep return-address on stack
+
+ ; transport_t returned in RAX
+ ; return parent fcontext_t
+ mov [rax], rcx
+ ; return data
+ mov [rax+08h], r8
+
+ ; transport_t as 1.arg of context-function
+ ; RCX contains address of returned (hidden) transfer_t
+ mov rcx, rax
+ ; RDX contains address of passed transfer_t
+ mov rdx, rax
+
+ ; indirect jump to context
+ jmp r9
+ontop_fcontext ENDP
+END
diff --git a/src/boost/libs/context/src/asm/ontop_x86_64_sysv_elf_gas.S b/src/boost/libs/context/src/asm/ontop_x86_64_sysv_elf_gas.S
new file mode 100644
index 000000000..447a1ec6b
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_x86_64_sysv_elf_gas.S
@@ -0,0 +1,84 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| R12 | R13 | R14 | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+ * ---------------------------------------------------------------------------------- *
+ * | R15 | RBX | RBP | RIP | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.file "ontop_x86_64_sysv_elf_gas.S"
+.text
+.globl ontop_fcontext
+.type ontop_fcontext,@function
+.align 16
+ontop_fcontext:
+ /* preserve ontop-function in R8 */
+ movq %rdx, %r8
+
+ leaq -0x38(%rsp), %rsp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%rsp) /* save MMX control- and status-word */
+ fnstcw 0x4(%rsp) /* save x87 control-word */
+#endif
+
+ movq %r12, 0x8(%rsp) /* save R12 */
+ movq %r13, 0x10(%rsp) /* save R13 */
+ movq %r14, 0x18(%rsp) /* save R14 */
+ movq %r15, 0x20(%rsp) /* save R15 */
+ movq %rbx, 0x28(%rsp) /* save RBX */
+ movq %rbp, 0x30(%rsp) /* save RBP */
+
+ /* store RSP (pointing to context-data) in RAX */
+ movq %rsp, %rax
+
+ /* restore RSP (pointing to context-data) from RDI */
+ movq %rdi, %rsp
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%rsp) /* restore MMX control- and status-word */
+ fldcw 0x4(%rsp) /* restore x87 control-word */
+#endif
+
+ movq 0x8(%rsp), %r12 /* restore R12 */
+ movq 0x10(%rsp), %r13 /* restore R13 */
+ movq 0x18(%rsp), %r14 /* restore R14 */
+ movq 0x20(%rsp), %r15 /* restore R15 */
+ movq 0x28(%rsp), %rbx /* restore RBX */
+ movq 0x30(%rsp), %rbp /* restore RBP */
+
+ leaq 0x38(%rsp), %rsp /* prepare stack */
+
+ /* return transfer_t from jump */
+ /* RAX == fctx, RDX == data */
+ movq %rsi, %rdx
+ /* pass transfer_t as first arg in context function */
+ /* RDI == fctx, RSI == data */
+ movq %rax, %rdi
+
+ /* keep return-address on stack */
+
+ /* indirect jump to context */
+ jmp *%r8
+.size ontop_fcontext,.-ontop_fcontext
+
+/* Mark that we don't need executable stack. */
+.section .note.GNU-stack,"",%progbits
diff --git a/src/boost/libs/context/src/asm/ontop_x86_64_sysv_macho_gas.S b/src/boost/libs/context/src/asm/ontop_x86_64_sysv_macho_gas.S
new file mode 100644
index 000000000..49755c69b
--- /dev/null
+++ b/src/boost/libs/context/src/asm/ontop_x86_64_sysv_macho_gas.S
@@ -0,0 +1,78 @@
+/*
+ Copyright Oliver Kowalke 2009.
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+/****************************************************************************************
+ * *
+ * ---------------------------------------------------------------------------------- *
+ * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | *
+ * ---------------------------------------------------------------------------------- *
+ * | fc_mxcsr|fc_x87_cw| R12 | R13 | R14 | *
+ * ---------------------------------------------------------------------------------- *
+ * ---------------------------------------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ---------------------------------------------------------------------------------- *
+ * | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | *
+ * ---------------------------------------------------------------------------------- *
+ * | R15 | RBX | RBP | RIP | *
+ * ---------------------------------------------------------------------------------- *
+ * *
+ ****************************************************************************************/
+
+.text
+.globl _ontop_fcontext
+.align 8
+_ontop_fcontext:
+ /* preserve ontop-function in R8 */
+ movq %rdx, %r8
+
+ leaq -0x38(%rsp), %rsp /* prepare stack */
+
+#if !defined(BOOST_USE_TSX)
+ stmxcsr (%rsp) /* save MMX control- and status-word */
+ fnstcw 0x4(%rsp) /* save x87 control-word */
+#endif
+
+ movq %r12, 0x8(%rsp) /* save R12 */
+ movq %r13, 0x10(%rsp) /* save R13 */
+ movq %r14, 0x18(%rsp) /* save R14 */
+ movq %r15, 0x20(%rsp) /* save R15 */
+ movq %rbx, 0x28(%rsp) /* save RBX */
+ movq %rbp, 0x30(%rsp) /* save RBP */
+
+ /* store RSP (pointing to context-data) in RAX */
+ movq %rsp, %rax
+
+ /* restore RSP (pointing to context-data) from RDI */
+ movq %rdi, %rsp
+
+#if !defined(BOOST_USE_TSX)
+ ldmxcsr (%rsp) /* restore MMX control- and status-word */
+ fldcw 0x4(%rsp) /* restore x87 control-word */
+#endif
+
+ movq 0x8(%rsp), %r12 /* restore R12 */
+ movq 0x10(%rsp), %r13 /* restore R13 */
+ movq 0x18(%rsp), %r14 /* restore R14 */
+ movq 0x20(%rsp), %r15 /* restore R15 */
+ movq 0x28(%rsp), %rbx /* restore RBX */
+ movq 0x30(%rsp), %rbp /* restore RBP */
+
+ leaq 0x38(%rsp), %rsp /* prepare stack */
+
+ /* return transfer_t from jump */
+ /* RAX == fctx, RDX == data */
+ movq %rsi, %rdx
+ /* pass transfer_t as first arg in context function */
+ /* RDI == fctx, RSI == data */
+ movq %rax, %rdi
+
+ /* keep return-address on stack */
+
+ /* indirect jump to context */
+ jmp *%r8
diff --git a/src/boost/libs/context/src/asm/tail_ppc32_sysv_elf_gas.cpp b/src/boost/libs/context/src/asm/tail_ppc32_sysv_elf_gas.cpp
new file mode 100644
index 000000000..348608460
--- /dev/null
+++ b/src/boost/libs/context/src/asm/tail_ppc32_sysv_elf_gas.cpp
@@ -0,0 +1,18 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/context/detail/fcontext.hpp>
+
+using boost::context::detail::fcontext_t;
+using boost::context::detail::transfer_t;
+
+// This C++ tail of ontop_fcontext() allocates transfer_t{ from, vp }
+// on the stack. If fn() throws a C++ exception, then the C++ runtime
+// must remove this tail's stack frame.
+extern "C" transfer_t
+ontop_fcontext_tail( int ignore, void * vp, transfer_t (* fn)(transfer_t), fcontext_t const from) {
+ return fn( transfer_t{ from, vp });
+}
diff --git a/src/boost/libs/context/src/continuation.cpp b/src/boost/libs/context/src/continuation.cpp
new file mode 100644
index 000000000..0779baaba
--- /dev/null
+++ b/src/boost/libs/context/src/continuation.cpp
@@ -0,0 +1,60 @@
+
+// Copyright Oliver Kowalke 2017.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#if defined(BOOST_USE_UCONTEXT)
+#include "boost/context/continuation_ucontext.hpp"
+#elif defined(BOOST_USE_WINFIB)
+#include "boost/context/continuation_winfib.hpp"
+#else
+#include "boost/context/execution_context.hpp"
+#endif
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace context {
+namespace detail {
+
+// zero-initialization
+thread_local activation_record * current_rec;
+thread_local static std::size_t counter;
+
+// schwarz counter
+activation_record_initializer::activation_record_initializer() noexcept {
+ if ( 0 == counter++) {
+ current_rec = new activation_record();
+ }
+}
+
+activation_record_initializer::~activation_record_initializer() {
+ if ( 0 == --counter) {
+ BOOST_ASSERT( current_rec->is_main_context() );
+ delete current_rec;
+ }
+}
+
+}
+
+namespace detail {
+
+activation_record *&
+activation_record::current() noexcept {
+ // initialized the first time control passes; per thread
+ thread_local static activation_record_initializer initializer;
+ return current_rec;
+}
+
+}
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
diff --git a/src/boost/libs/context/src/dummy.cpp b/src/boost/libs/context/src/dummy.cpp
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/src/boost/libs/context/src/dummy.cpp
diff --git a/src/boost/libs/context/src/fiber.cpp b/src/boost/libs/context/src/fiber.cpp
new file mode 100644
index 000000000..b6b790df5
--- /dev/null
+++ b/src/boost/libs/context/src/fiber.cpp
@@ -0,0 +1,58 @@
+
+// Copyright Oliver Kowalke 2017.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#if defined(BOOST_USE_UCONTEXT)
+#include "boost/context/fiber_ucontext.hpp"
+#elif defined(BOOST_USE_WINFIB)
+#include "boost/context/fiber_winfib.hpp"
+#endif
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace context {
+namespace detail {
+
+// zero-initialization
+thread_local fiber_activation_record * fib_current_rec;
+thread_local static std::size_t counter;
+
+// schwarz counter
+fiber_activation_record_initializer::fiber_activation_record_initializer() noexcept {
+ if ( 0 == counter++) {
+ fib_current_rec = new fiber_activation_record();
+ }
+}
+
+fiber_activation_record_initializer::~fiber_activation_record_initializer() {
+ if ( 0 == --counter) {
+ BOOST_ASSERT( fib_current_rec->is_main_context() );
+ delete fib_current_rec;
+ }
+}
+
+}
+
+namespace detail {
+
+fiber_activation_record *&
+fiber_activation_record::current() noexcept {
+ // initialized the first time control passes; per thread
+ thread_local static fiber_activation_record_initializer initializer;
+ return fib_current_rec;
+}
+
+}
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
diff --git a/src/boost/libs/context/src/posix/stack_traits.cpp b/src/boost/libs/context/src/posix/stack_traits.cpp
new file mode 100644
index 000000000..ca4208885
--- /dev/null
+++ b/src/boost/libs/context/src/posix/stack_traits.cpp
@@ -0,0 +1,122 @@
+
+// Copyright Oliver Kowalke 2014.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include "boost/context/stack_traits.hpp"
+
+extern "C" {
+#include <signal.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <unistd.h>
+}
+
+//#if _POSIX_C_SOURCE >= 200112L
+
+#include <algorithm>
+#include <cmath>
+
+#include <boost/assert.hpp>
+#include <boost/config.hpp>
+#if defined(BOOST_NO_CXX11_HDR_MUTEX)
+# include <boost/thread.hpp>
+#else
+# include <mutex>
+#endif
+
+#if !defined (SIGSTKSZ)
+# define SIGSTKSZ (32768) // 32kb minimum allowable stack
+# define UDEF_SIGSTKSZ
+#endif
+
+#if !defined (MINSIGSTKSZ)
+# define MINSIGSTKSZ (131072) // 128kb recommended stack size
+# define UDEF_MINSIGSTKSZ
+#endif
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+namespace {
+
+void pagesize_( std::size_t * size) BOOST_NOEXCEPT_OR_NOTHROW {
+ // conform to POSIX.1-2001
+ * size = ::sysconf( _SC_PAGESIZE);
+}
+
+void stacksize_limit_( rlimit * limit) BOOST_NOEXCEPT_OR_NOTHROW {
+ // conforming to POSIX.1-2001
+ ::getrlimit( RLIMIT_STACK, limit);
+}
+
+std::size_t pagesize() BOOST_NOEXCEPT_OR_NOTHROW {
+ static std::size_t size = 0;
+#if defined(BOOST_NO_CXX11_HDR_MUTEX)
+ static boost::once_flag flag = BOOST_ONCE_INIT;
+ boost::call_once( flag, pagesize_, & size);
+#else
+ static std::once_flag flag;
+ std::call_once( flag, pagesize_, & size);
+#endif
+ return size;
+}
+
+rlimit stacksize_limit() BOOST_NOEXCEPT_OR_NOTHROW {
+ static rlimit limit;
+#if defined(BOOST_NO_CXX11_HDR_MUTEX)
+ static boost::once_flag flag = BOOST_ONCE_INIT;
+ boost::call_once( flag, stacksize_limit_, & limit);
+#else
+ static std::once_flag flag;
+ std::call_once( flag, stacksize_limit_, & limit);
+#endif
+ return limit;
+}
+
+}
+
+namespace boost {
+namespace context {
+
+bool
+stack_traits::is_unbounded() BOOST_NOEXCEPT_OR_NOTHROW {
+ return RLIM_INFINITY == stacksize_limit().rlim_max;
+}
+
+std::size_t
+stack_traits::page_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ return pagesize();
+}
+
+std::size_t
+stack_traits::default_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ return 128 * 1024;
+}
+
+std::size_t
+stack_traits::minimum_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ return MINSIGSTKSZ;
+}
+
+std::size_t
+stack_traits::maximum_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ BOOST_ASSERT( ! is_unbounded() );
+ return static_cast< std::size_t >( stacksize_limit().rlim_max);
+}
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
+
+#ifdef UDEF_SIGSTKSZ
+# undef SIGSTKSZ;
+#endif
+
+#ifdef UDEF_MINSIGSTKSZ
+# undef MINSIGSTKSZ
+#endif
diff --git a/src/boost/libs/context/src/untested.cpp b/src/boost/libs/context/src/untested.cpp
new file mode 100644
index 000000000..d6e20868c
--- /dev/null
+++ b/src/boost/libs/context/src/untested.cpp
@@ -0,0 +1,7 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#error "! code for this platform is untested - please remove this file from build/Jamfile.v2 and report the test-result on boost-track !"
diff --git a/src/boost/libs/context/src/windows/stack_traits.cpp b/src/boost/libs/context/src/windows/stack_traits.cpp
new file mode 100644
index 000000000..14016b1b3
--- /dev/null
+++ b/src/boost/libs/context/src/windows/stack_traits.cpp
@@ -0,0 +1,116 @@
+
+// Copyright Oliver Kowalke 2014.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include "boost/context/stack_traits.hpp"
+
+extern "C" {
+#include <windows.h>
+}
+
+//#if defined (BOOST_WINDOWS) || _POSIX_C_SOURCE >= 200112L
+
+#include <algorithm>
+#include <cmath>
+#include <cstddef>
+#include <cstring>
+#include <stdexcept>
+
+#include <boost/assert.hpp>
+#include <boost/context/detail/config.hpp>
+#if defined(BOOST_NO_CXX11_HDR_MUTEX)
+# include <boost/thread.hpp>
+#else
+# include <mutex>
+#endif
+
+#include <boost/context/stack_context.hpp>
+
+// x86_64
+// test x86_64 before i386 because icc might
+// define __i686__ for x86_64 too
+#if defined(__x86_64__) || defined(__x86_64) \
+ || defined(__amd64__) || defined(__amd64) \
+ || defined(_M_X64) || defined(_M_AMD64)
+
+// Windows seams not to provide a constant or function
+// telling the minimal stacksize
+# define MIN_STACKSIZE 8 * 1024
+#else
+# define MIN_STACKSIZE 4 * 1024
+#endif
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+namespace {
+
+void system_info_( SYSTEM_INFO * si) BOOST_NOEXCEPT_OR_NOTHROW {
+ ::GetSystemInfo( si);
+}
+
+SYSTEM_INFO system_info() BOOST_NOEXCEPT_OR_NOTHROW {
+ static SYSTEM_INFO si;
+#if defined(BOOST_NO_CXX11_HDR_MUTEX)
+ static boost::once_flag flag = BOOST_ONCE_INIT;
+ boost::call_once( flag, static_cast< void(*)( SYSTEM_INFO *) >( system_info_), & si);
+#else
+ static std::once_flag flag;
+ std::call_once( flag, static_cast< void(*)( SYSTEM_INFO *) >( system_info_), & si);
+#endif
+ return si;
+}
+
+std::size_t pagesize() BOOST_NOEXCEPT_OR_NOTHROW {
+ return static_cast< std::size_t >( system_info().dwPageSize);
+}
+
+}
+
+namespace boost {
+namespace context {
+
+// Windows seams not to provide a limit for the stacksize
+// libcoco uses 32k+4k bytes as minimum
+BOOST_CONTEXT_DECL
+bool
+stack_traits::is_unbounded() BOOST_NOEXCEPT_OR_NOTHROW {
+ return true;
+}
+
+BOOST_CONTEXT_DECL
+std::size_t
+stack_traits::page_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ return pagesize();
+}
+
+BOOST_CONTEXT_DECL
+std::size_t
+stack_traits::default_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ return 128 * 1024;
+}
+
+// because Windows seams not to provide a limit for minimum stacksize
+BOOST_CONTEXT_DECL
+std::size_t
+stack_traits::minimum_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ return MIN_STACKSIZE;
+}
+
+// because Windows seams not to provide a limit for maximum stacksize
+// maximum_size() can never be called (pre-condition ! is_unbounded() )
+BOOST_CONTEXT_DECL
+std::size_t
+stack_traits::maximum_size() BOOST_NOEXCEPT_OR_NOTHROW {
+ BOOST_ASSERT( ! is_unbounded() );
+ return 1 * 1024 * 1024 * 1024; // 1GB
+}
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
diff --git a/src/boost/libs/context/test/Jamfile.v2 b/src/boost/libs/context/test/Jamfile.v2
new file mode 100644
index 000000000..07ab5c344
--- /dev/null
+++ b/src/boost/libs/context/test/Jamfile.v2
@@ -0,0 +1,218 @@
+# Boost.Context Library Tests Jamfile
+
+# Copyright Oliver Kowalke 2009.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import testing ;
+import toolset ;
+import ../../config/checks/config : requires ;
+
+project boost/context/test
+ : requirements
+ <library>../../test/build//boost_unit_test_framework
+ <library>/boost/context//boost_context
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+ <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+ <link>static
+ <threading>multi
+ <variant>release
+ ;
+
+
+rule native-impl ( properties * )
+{
+ local result ;
+ if ( <target-os>android in $(properties) ||
+ <target-os>darwin in $(properties) ||
+ <target-os>openbsd in $(properties) )
+ {
+ result = <build>no ;
+ }
+ else if ( ! ( <target-os>windows in $(properties) ) )
+ {
+ result = <context-impl>ucontext ;
+ }
+ else
+ {
+ result = <context-impl>winfib ;
+ }
+ return $(result) ;
+}
+
+rule segmented-stack ( properties * )
+{
+ local result ;
+ if ( <toolset>gcc in $(properties) )
+ {
+ result = <segmented-stacks>on ;
+ }
+ else
+ {
+ result = <build>no ;
+ }
+ return $(result) ;
+}
+
+test-suite minimal :
+[ run test_invoke.cpp :
+ : :
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ] ]
+
+[ run test_apply.cpp :
+ : :
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ] ]
+
+[ run test_fiber.cpp :
+ : :
+ <context-impl>fcontext
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ : test_fiber_asm ]
+
+[ run test_fiber.cpp :
+ : :
+ <conditional>@native-impl
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ : test_fiber_native ]
+
+[ run test_fiber.cpp :
+ : :
+ <context-impl>ucontext
+ <conditional>@segmented-stack
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ : test_fiber_segmented ]
+
+[ run test_callcc.cpp :
+ : :
+ <context-impl>fcontext
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ : test_callcc_asm ]
+
+[ run test_callcc.cpp :
+ : :
+ <conditional>@native-impl
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ : test_callcc_native ]
+
+[ run test_callcc.cpp :
+ : :
+ <context-impl>ucontext
+ <conditional>@segmented-stack
+ [ requires cxx11_auto_declarations
+ cxx11_constexpr
+ cxx11_defaulted_functions
+ cxx11_final
+ cxx11_hdr_thread
+ cxx11_hdr_tuple
+ cxx11_lambdas
+ cxx11_noexcept
+ cxx11_nullptr
+ cxx11_rvalue_references
+ cxx11_template_aliases
+ cxx11_thread_local
+ cxx11_variadic_templates ]
+ : test_callcc_segmented ] ;
+
+
+test-suite full :
+ minimal ;
+
+test-suite fc :
+[ run test_fcontext.cpp :
+ : :
+ ] ;
+
+explicit minimal ;
+explicit fc ;
diff --git a/src/boost/libs/context/test/test_apply.cpp b/src/boost/libs/context/test/test_apply.cpp
new file mode 100644
index 000000000..d6b1a2022
--- /dev/null
+++ b/src/boost/libs/context/test/test_apply.cpp
@@ -0,0 +1,209 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <tuple>
+#include <utility>
+
+#include <boost/assert.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include <boost/context/detail/apply.hpp>
+#include <boost/context/detail/config.hpp>
+
+namespace ctx = boost::context;
+
+struct callable {
+ int k{ 0 };
+
+ callable() = default;
+
+ callable( int k_) :
+ k{ k_ } {
+ }
+
+ int foo( int i, int j) const {
+ return i + j + k;
+ }
+
+ int operator()( int i, int j) const {
+ return foo( i, j);
+ }
+};
+
+struct movable {
+ int k{ 0 };
+
+ movable() = default;
+
+ movable( int k_) :
+ k{ k_ } {
+ }
+
+ movable( movable const&) = delete;
+ movable & operator=( movable const&) = delete;
+
+ movable( movable && other) :
+ k{ other.k } {
+ other.k = -1;
+ }
+
+ movable & operator=( movable && other) {
+ if ( this == & other) return * this;
+ k = other.k;
+ other.k = -1;
+ return * this;
+ }
+
+ int foo( int i, int j) const {
+ return i + j + k;
+ }
+
+ int operator()( int i, int j) const {
+ return foo( i, j);
+ }
+};
+
+int fn1( int i, int j) {
+ return i + j;
+}
+
+int * fn2( int * ip) {
+ return ip;
+}
+
+int * fn3( int & ir) {
+ return & ir;
+}
+
+int & fn4( int & ir) {
+ return ir;
+}
+
+int fn5( int i, callable && c) {
+ return i + c.k;
+}
+
+int fn6( int i, movable && m) {
+ return i + m.k;
+}
+
+void test1() {
+ int result = ctx::detail::apply( fn1, std::make_tuple( 1, 2) );
+ BOOST_CHECK_EQUAL( result, 3);
+}
+
+void test2() {
+ {
+ int i = 3;
+ int * ip = & i;
+ int * result = ctx::detail::apply( fn2, std::make_tuple( ip) );
+ BOOST_CHECK_EQUAL( result, ip);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+ {
+ int i = 3;
+ int * result = ctx::detail::apply( fn2, std::make_tuple( & i) );
+ BOOST_CHECK_EQUAL( result, & i);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+}
+
+void test3() {
+ {
+ int i = 'c';
+ int & ir = i;
+ int * result = ctx::detail::apply( fn3, std::make_tuple( std::ref( ir) ) );
+ BOOST_CHECK_EQUAL( result, & ir);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+ {
+ int i = 'c';
+ int * result = ctx::detail::apply( fn3, std::make_tuple( std::ref( i) ) );
+ BOOST_CHECK_EQUAL( result, & i);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+}
+
+void test4() {
+ {
+ int i = 3;
+ int & ir = i;
+ int & result = ctx::detail::apply( fn4, std::make_tuple( std::ref( ir) ) );
+ BOOST_CHECK_EQUAL( result, ir);
+ BOOST_CHECK_EQUAL( & result, & ir);
+ BOOST_CHECK_EQUAL( result, i);
+ }
+ {
+ int i = 3;
+ int & result = ctx::detail::apply( fn4, std::make_tuple( std::ref( i) ) );
+ BOOST_CHECK_EQUAL( & result, & i);
+ BOOST_CHECK_EQUAL( result, i);
+ }
+}
+
+void test5() {
+ {
+ callable c( 5);
+ int result = ctx::detail::apply( fn5, std::make_tuple( 1, std::move( c) ) );
+ BOOST_CHECK_EQUAL( result, 6);
+ BOOST_CHECK_EQUAL( c.k, 5);
+ }
+ {
+ movable m( 5);
+ int result = ctx::detail::apply( fn6, std::make_tuple( 1, std::move( m) ) );
+ BOOST_CHECK_EQUAL( result, 6);
+ BOOST_CHECK_EQUAL( m.k, -1);
+ }
+}
+
+void test6() {
+ {
+ callable c;
+ int result = ctx::detail::apply( c, std::make_tuple( 1, 2) );
+ BOOST_CHECK_EQUAL( result, 3);
+ BOOST_CHECK_EQUAL( c.k, 0);
+ }
+ {
+ callable c;
+ int result = ctx::detail::apply( & callable::foo, std::make_tuple( c, 1, 2) );
+ BOOST_CHECK_EQUAL( result, 3);
+ BOOST_CHECK_EQUAL( c.k, 0);
+ }
+}
+
+void test7() {
+ {
+ movable m;
+ int result = ctx::detail::apply( std::move( m), std::make_tuple( 1, 2) );
+ BOOST_CHECK_EQUAL( result, 3);
+ }
+ {
+ movable m;
+ int result = ctx::detail::apply( & movable::foo, std::make_tuple( std::move( m), 1, 2) );
+ BOOST_CHECK_EQUAL( result, 3);
+ }
+}
+
+boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
+{
+ boost::unit_test::test_suite * test =
+ BOOST_TEST_SUITE("Boost.Context: apply test suite");
+
+ test->add( BOOST_TEST_CASE( & test1) );
+ test->add( BOOST_TEST_CASE( & test2) );
+ test->add( BOOST_TEST_CASE( & test3) );
+ test->add( BOOST_TEST_CASE( & test4) );
+ test->add( BOOST_TEST_CASE( & test5) );
+ test->add( BOOST_TEST_CASE( & test6) );
+ test->add( BOOST_TEST_CASE( & test7) );
+
+ return test;
+}
diff --git a/src/boost/libs/context/test/test_callcc.cpp b/src/boost/libs/context/test/test_callcc.cpp
new file mode 100644
index 000000000..7ba783e54
--- /dev/null
+++ b/src/boost/libs/context/test/test_callcc.cpp
@@ -0,0 +1,516 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <cmath>
+#include <cstdint>
+#include <cstdio>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <thread>
+#include <utility>
+#include <vector>
+
+#include <boost/array.hpp>
+#include <boost/assert.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/utility.hpp>
+#include <boost/variant.hpp>
+
+#include <boost/context/continuation.hpp>
+#include <boost/context/detail/config.hpp>
+
+#ifdef BOOST_WINDOWS
+#include <windows.h>
+#endif
+
+#if defined(BOOST_MSVC)
+# pragma warning(push)
+# pragma warning(disable: 4702 4723 4996)
+#endif
+
+typedef boost::variant<int,std::string> variant_t;
+
+namespace ctx = boost::context;
+
+int value1 = 0;
+std::string value2;
+double value3 = 0.;
+
+struct X {
+ ctx::continuation foo( ctx::continuation && c, int i) {
+ value1 = i;
+ return std::move( c);
+ }
+};
+
+struct Y {
+ Y() {
+ value1 = 3;
+ }
+
+ Y( Y const&) = delete;
+ Y & operator=( Y const&) = delete;
+
+ ~Y() {
+ value1 = 7;
+ }
+};
+
+class moveable {
+public:
+ bool state;
+ int value;
+
+ moveable() :
+ state( false),
+ value( -1) {
+ }
+
+ moveable( int v) :
+ state( true),
+ value( v) {
+ }
+
+ moveable( moveable && other) :
+ state( other.state),
+ value( other.value) {
+ other.state = false;
+ other.value = -1;
+ }
+
+ moveable & operator=( moveable && other) {
+ if ( this == & other) return * this;
+ state = other.state;
+ value = other.value;
+ other.state = false;
+ other.value = -1;
+ return * this;
+ }
+
+ moveable( moveable const& other) = delete;
+ moveable & operator=( moveable const& other) = delete;
+
+ void operator()() {
+ value1 = value;
+ }
+};
+
+struct my_exception : public std::runtime_error {
+ ctx::continuation c;
+ my_exception( ctx::continuation && c_, char const* what) :
+ std::runtime_error( what),
+ c{ std::move( c_) } {
+ }
+};
+
+#ifdef BOOST_MSVC
+// Optimizations can remove the integer-divide-by-zero here.
+#pragma optimize("", off)
+void seh( bool & catched) {
+ __try {
+ int i = 1;
+ i /= 0;
+ } __except( EXCEPTION_EXECUTE_HANDLER) {
+ catched = true;
+ }
+}
+#pragma optimize("", on)
+#endif
+
+void test_move() {
+ value1 = 0;
+ int i = 1;
+ BOOST_CHECK_EQUAL( 0, value1);
+ ctx::continuation c1 = ctx::callcc(
+ [&i](ctx::continuation && c) {
+ value1 = i;
+ c = c.resume();
+ value1 = i;
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 1, value1);
+ BOOST_CHECK( c1);
+ ctx::continuation c2;
+ BOOST_CHECK( ! c2);
+ c2 = std::move( c1);
+ BOOST_CHECK( ! c1);
+ BOOST_CHECK( c2);
+ i = 3;
+ c2.resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK( ! c1);
+ BOOST_CHECK( ! c2);
+}
+
+void test_bind() {
+ value1 = 0;
+ X x;
+ ctx::continuation c = ctx::callcc( std::bind( & X::foo, x, std::placeholders::_1, 7) );
+ BOOST_CHECK_EQUAL( 7, value1);
+}
+
+void test_exception() {
+ {
+ const char * what = "hello world";
+ ctx::continuation c = ctx::callcc(
+ [&what](ctx::continuation && c) {
+ try {
+ throw std::runtime_error( what);
+ } catch ( std::runtime_error const& e) {
+ value2 = e.what();
+ }
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( std::string( what), value2);
+ BOOST_CHECK( ! c);
+ }
+#ifdef BOOST_MSVC
+ {
+ bool catched = false;
+ std::thread([&catched](){
+ ctx::continuation c = ctx::callcc([&catched](ctx::continuation && c){
+ c = c.resume();
+ seh( catched);
+ return std::move( c);
+ });
+ BOOST_CHECK( c );
+ c.resume();
+ }).join();
+ BOOST_CHECK( catched);
+ }
+#endif
+}
+
+void test_fp() {
+ value3 = 0.;
+ double d = 7.13;
+ ctx::continuation c = ctx::callcc(
+ [&d]( ctx::continuation && c) {
+ d += 3.45;
+ value3 = d;
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 10.58, value3);
+ BOOST_CHECK( ! c);
+}
+
+void test_stacked() {
+ value1 = 0;
+ value3 = 0.;
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c) {
+ ctx::continuation c1 = ctx::callcc(
+ [](ctx::continuation && c) {
+ value1 = 3;
+ return std::move( c);
+ });
+ value3 = 3.14;
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 3.14, value3);
+ BOOST_CHECK( ! c );
+}
+
+void test_prealloc() {
+ value1 = 0;
+ ctx::default_stack alloc;
+ ctx::stack_context sctx( alloc.allocate() );
+ void * sp = static_cast< char * >( sctx.sp) - 10;
+ std::size_t size = sctx.size - 10;
+ int i = 7;
+ ctx::continuation c = ctx::callcc(
+ std::allocator_arg, ctx::preallocated( sp, size, sctx), alloc,
+ [&i]( ctx::continuation && c) {
+ value1 = i;
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK( ! c);
+}
+
+void test_ontop() {
+ {
+ int i = 3;
+ ctx::continuation c = ctx::callcc([&i](ctx::continuation && c) {
+ for (;;) {
+ i *= 10;
+ c = c.resume();
+ }
+ return std::move( c);
+ });
+ c = c.resume_with(
+ [&i](ctx::continuation && c){
+ i -= 10;
+ return std::move( c);
+ });
+ BOOST_CHECK( c);
+ BOOST_CHECK_EQUAL( i, 200);
+ }
+ {
+ ctx::continuation c1;
+ ctx::continuation c = ctx::callcc([&c1](ctx::continuation && c) {
+ c = c.resume();
+ BOOST_CHECK( ! c);
+ return std::move( c1);
+ });
+ c = c.resume_with(
+ [&c1](ctx::continuation && c){
+ c1 = std::move( c);
+ return std::move( c);
+ });
+ }
+}
+
+void test_ontop_exception() {
+ value1 = 0;
+ value2 = "";
+ ctx::continuation c = ctx::callcc([](ctx::continuation && c){
+ for (;;) {
+ value1 = 3;
+ try {
+ c = c.resume();
+ } catch ( my_exception & ex) {
+ value2 = ex.what();
+ return std::move( ex.c);
+ }
+ }
+ return std::move( c);
+ });
+ c = c.resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ const char * what = "hello world";
+ c.resume_with(
+ [what](ctx::continuation && c){
+ throw my_exception( std::move( c), what);
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( std::string( what), value2);
+}
+
+void test_termination1() {
+ {
+ value1 = 0;
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c){
+ Y y;
+ return c.resume();
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ {
+ value1 = 0;
+ BOOST_CHECK_EQUAL( 0, value1);
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c) {
+ value1 = 3;
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK( ! c );
+ }
+ {
+ value1 = 0;
+ BOOST_CHECK_EQUAL( 0, value1);
+ int i = 3;
+ ctx::continuation c = ctx::callcc(
+ [&i](ctx::continuation && c){
+ value1 = i;
+ c = c.resume();
+ value1 = i;
+ return std::move( c);
+ });
+ BOOST_CHECK( c);
+ BOOST_CHECK_EQUAL( i, value1);
+ BOOST_CHECK( c);
+ i = 7;
+ c = c.resume();
+ BOOST_CHECK( ! c);
+ BOOST_CHECK_EQUAL( i, value1);
+ }
+}
+
+void test_termination2() {
+ {
+ value1 = 0;
+ value3 = 0.0;
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c){
+ Y y;
+ value1 = 3;
+ value3 = 4.;
+ c = c.resume();
+ value1 = 7;
+ value3 = 8.;
+ c = c.resume();
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 4., value3);
+ c = c.resume();
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK_EQUAL( 8., value3);
+}
+
+void test_sscanf() {
+ ctx::continuation c = ctx::callcc(
+ []( ctx::continuation && c) {
+ {
+ double n1 = 0;
+ double n2 = 0;
+ sscanf("3.14 7.13", "%lf %lf", & n1, & n2);
+ BOOST_CHECK( n1 == 3.14);
+ BOOST_CHECK( n2 == 7.13);
+ }
+ {
+ int n1=0;
+ int n2=0;
+ sscanf("1 23", "%d %d", & n1, & n2);
+ BOOST_CHECK( n1 == 1);
+ BOOST_CHECK( n2 == 23);
+ }
+ {
+ int n1=0;
+ int n2=0;
+ sscanf("1 jjj 23", "%d %*[j] %d", & n1, & n2);
+ BOOST_CHECK( n1 == 1);
+ BOOST_CHECK( n2 == 23);
+ }
+ return std::move( c);
+ });
+}
+
+void test_snprintf() {
+ ctx::continuation c = ctx::callcc(
+ []( ctx::continuation && c) {
+ {
+ const char *fmt = "sqrt(2) = %f";
+ char buf[19];
+ snprintf( buf, sizeof( buf), fmt, std::sqrt( 2) );
+ BOOST_CHECK( 0 < sizeof( buf) );
+ BOOST_ASSERT( std::string("sqrt(2) = 1.41") == std::string( buf, 14) );
+ }
+ {
+ std::uint64_t n = 0xbcdef1234567890;
+ const char *fmt = "0x%016llX";
+ char buf[100];
+ snprintf( buf, sizeof( buf), fmt, n);
+ BOOST_ASSERT( std::string("0x0BCDEF1234567890") == std::string( buf, 18) );
+ }
+ return std::move( c);
+ });
+}
+
+#ifdef BOOST_WINDOWS
+void test_bug12215() {
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c) {
+ char buffer[MAX_PATH];
+ GetModuleFileName( nullptr, buffer, MAX_PATH);
+ return std::move( c);
+ });
+}
+#endif
+
+void test_goodcatch() {
+ value1 = 0;
+ value3 = 0.0;
+ {
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c) {
+ Y y;
+ value3 = 2.;
+ c = c.resume();
+ try {
+ value3 = 3.;
+ c = c.resume();
+ } catch ( boost::context::detail::forced_unwind const&) {
+ value3 = 4.;
+ throw;
+ } catch (...) {
+ value3 = 5.;
+ }
+ value3 = 6.;
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 2., value3);
+ c = c.resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 3., value3);
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK_EQUAL( 4., value3);
+}
+
+void test_badcatch() {
+#if 0
+ value1 = 0;
+ value3 = 0.;
+ {
+ ctx::continuation c = ctx::callcc(
+ [](ctx::continuation && c) {
+ Y y;
+ try {
+ value3 = 3.;
+ c = c.resume();
+ } catch (...) {
+ value3 = 5.;
+ }
+ return std::move( c);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 3., value3);
+ // the destruction of ctx here will cause a forced_unwind to be thrown that is not caught
+ // in fn19. That will trigger the "not caught" assertion in ~forced_unwind. Getting that
+ // assertion to propogate bak here cleanly is non-trivial, and there seems to not be a good
+ // way to hook directly into the assertion when it happens on an alternate stack.
+ std::move( c);
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK_EQUAL( 4., value3);
+#endif
+}
+
+boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
+{
+ boost::unit_test::test_suite * test =
+ BOOST_TEST_SUITE("Boost.Context: callcc test suite");
+
+ test->add( BOOST_TEST_CASE( & test_move) );
+ test->add( BOOST_TEST_CASE( & test_bind) );
+ test->add( BOOST_TEST_CASE( & test_exception) );
+ test->add( BOOST_TEST_CASE( & test_fp) );
+ test->add( BOOST_TEST_CASE( & test_stacked) );
+ test->add( BOOST_TEST_CASE( & test_prealloc) );
+ test->add( BOOST_TEST_CASE( & test_ontop) );
+ test->add( BOOST_TEST_CASE( & test_ontop_exception) );
+ test->add( BOOST_TEST_CASE( & test_termination1) );
+ test->add( BOOST_TEST_CASE( & test_termination2) );
+ test->add( BOOST_TEST_CASE( & test_sscanf) );
+ test->add( BOOST_TEST_CASE( & test_snprintf) );
+#ifdef BOOST_WINDOWS
+ test->add( BOOST_TEST_CASE( & test_bug12215) );
+#endif
+ test->add( BOOST_TEST_CASE( & test_goodcatch) );
+ test->add( BOOST_TEST_CASE( & test_badcatch) );
+
+ return test;
+}
+
+#if defined(BOOST_MSVC)
+# pragma warning(pop)
+#endif
diff --git a/src/boost/libs/context/test/test_fcontext.cpp b/src/boost/libs/context/test/test_fcontext.cpp
new file mode 100644
index 000000000..b8ae6d32a
--- /dev/null
+++ b/src/boost/libs/context/test/test_fcontext.cpp
@@ -0,0 +1,352 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <cmath>
+#include <cstdint>
+#include <iostream>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <utility>
+
+#include <boost/array.hpp>
+#include <boost/assert.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/utility.hpp>
+
+#include <boost/context/detail/config.hpp>
+#include <boost/context/detail/fcontext.hpp>
+
+template< std::size_t Max, std::size_t Default, std::size_t Min >
+class simple_stack_allocator
+{
+public:
+ static std::size_t maximum_stacksize()
+ { return Max; }
+
+ static std::size_t default_stacksize()
+ { return Default; }
+
+ static std::size_t minimum_stacksize()
+ { return Min; }
+
+ void * allocate( std::size_t size) const
+ {
+ BOOST_ASSERT( minimum_stacksize() <= size);
+ BOOST_ASSERT( maximum_stacksize() >= size);
+
+ void * limit = malloc( size);
+ if ( ! limit) throw std::bad_alloc();
+
+ return static_cast< char * >( limit) + size;
+ }
+
+ void deallocate( void * vp, std::size_t size) const
+ {
+ BOOST_ASSERT( vp);
+ BOOST_ASSERT( minimum_stacksize() <= size);
+ BOOST_ASSERT( maximum_stacksize() >= size);
+
+ void * limit = static_cast< char * >( vp) - size;
+ free( limit);
+ }
+};
+
+typedef simple_stack_allocator<
+ 8 * 1024 * 1024, 64 * 1024, 8 * 1024
+ > stack_allocator;
+
+namespace ctx = boost::context::detail;
+
+typedef simple_stack_allocator<
+ 8 * 1024 * 1024, // 8MB
+ 64 * 1024, // 64kB
+ 8 * 1024 // 8kB
+> stack_allocator;
+
+int value1 = 0;
+std::string value2;
+double value3 = 0.;
+void * value4 = 0;
+
+void f1( ctx::transfer_t t) {
+ ++value1;
+ ctx::jump_fcontext( t.fctx, t.data);
+}
+
+void f3( ctx::transfer_t t_) {
+ ++value1;
+ ctx::transfer_t t = ctx::jump_fcontext( t_.fctx, 0);
+ ++value1;
+ ctx::jump_fcontext( t.fctx, t.data);
+}
+
+void f4( ctx::transfer_t t) {
+ int i = 7;
+ ctx::jump_fcontext( t.fctx, & i);
+}
+
+void f5( ctx::transfer_t t) {
+ ctx::jump_fcontext( t.fctx, t.data);
+}
+
+void f6( ctx::transfer_t t_) {
+ std::pair< int, int > data = * ( std::pair< int, int > * ) t_.data;
+ int res = data.first + data.second;
+ ctx::transfer_t t = ctx::jump_fcontext( t_.fctx, & res);
+ data = * ( std::pair< int, int > *) t.data;
+ res = data.first + data.second;
+ ctx::jump_fcontext( t.fctx, & res);
+}
+
+void f7( ctx::transfer_t t) {
+ try {
+ throw std::runtime_error( * ( std::string *) t.data);
+ } catch ( std::runtime_error const& e) {
+ value2 = e.what();
+ }
+ ctx::jump_fcontext( t.fctx, t.data);
+}
+
+void f8( ctx::transfer_t t) {
+ double d = * ( double *) t.data;
+ d += 3.45;
+ value3 = d;
+ ctx::jump_fcontext( t.fctx, 0);
+}
+
+void f10( ctx::transfer_t t) {
+ value1 = 3;
+ ctx::jump_fcontext( t.fctx, 0);
+}
+
+void f9( ctx::transfer_t t) {
+ std::cout << "f1: entered" << std::endl;
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize());
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f10);
+ ctx::jump_fcontext( ctx, 0);
+ ctx::jump_fcontext( t.fctx, 0);
+}
+
+ctx::transfer_t f11( ctx::transfer_t t_) {
+ value4 = t_.data;
+ ctx::transfer_t t = { t_.fctx, t_.data };
+ return t;
+}
+
+void f12( ctx::transfer_t t_) {
+ ctx::transfer_t t = ctx::jump_fcontext( t_.fctx, t_.data);
+ value1 = * ( int *) t.data;
+ ctx::jump_fcontext( t.fctx, t.data);
+}
+
+void f13( ctx::transfer_t t) {
+ {
+ double n1 = 0;
+ double n2 = 0;
+ sscanf("3.14 7.13", "%lf %lf", & n1, & n2);
+ BOOST_CHECK( n1 == 3.14);
+ BOOST_CHECK( n2 == 7.13);
+ }
+ {
+ int n1=0;
+ int n2=0;
+ sscanf("1 23", "%d %d", & n1, & n2);
+ BOOST_CHECK( n1 == 1);
+ BOOST_CHECK( n2 == 23);
+ }
+ {
+ int n1=0;
+ int n2=0;
+ sscanf("1 jjj 23", "%d %*[j] %d", & n1, & n2);
+ BOOST_CHECK( n1 == 1);
+ BOOST_CHECK( n2 == 23);
+ }
+ ctx::jump_fcontext( t.fctx, 0);
+}
+
+void f14( ctx::transfer_t t) {
+ {
+ const char *fmt = "sqrt(2) = %f";
+ char buf[19];
+ snprintf( buf, sizeof( buf), fmt, std::sqrt( 2) );
+ BOOST_CHECK( 0 < sizeof( buf) );
+ BOOST_CHECK_EQUAL( std::string("sqrt(2) = 1.41"), std::string( buf, 14) );
+ }
+ {
+ std::uint64_t n = 0xbcdef1234567890;
+ const char *fmt = "0x%016llX";
+ char buf[100];
+ snprintf( buf, sizeof( buf), fmt, n);
+ BOOST_CHECK_EQUAL( std::string("0x0BCDEF1234567890"), std::string( buf, 18) );
+ }
+ ctx::jump_fcontext( t.fctx, 0);
+}
+
+void test_setup() {
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f1);
+ BOOST_CHECK( ctx);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_start() {
+ value1 = 0;
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f1);
+ BOOST_CHECK( ctx);
+
+ BOOST_CHECK_EQUAL( 0, value1);
+ ctx::jump_fcontext( ctx, 0);
+ BOOST_CHECK_EQUAL( 1, value1);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_jump() {
+ value1 = 0;
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f3);
+ BOOST_CHECK( ctx);
+ BOOST_CHECK_EQUAL( 0, value1);
+ ctx::transfer_t t = ctx::jump_fcontext( ctx, 0);
+ BOOST_CHECK_EQUAL( 1, value1);
+ ctx::jump_fcontext( t.fctx, 0);
+ BOOST_CHECK_EQUAL( 2, value1);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_result() {
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f4);
+ BOOST_CHECK( ctx);
+ ctx::transfer_t t = ctx::jump_fcontext( ctx, 0);
+ int result = * ( int *) t.data;
+ BOOST_CHECK_EQUAL( 7, result);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_arg() {
+ stack_allocator alloc;
+ int i = 7;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f5);
+ BOOST_CHECK( ctx);
+ ctx::transfer_t t = ctx::jump_fcontext( ctx, & i);
+ int result = * ( int *) t.data;
+ BOOST_CHECK_EQUAL( i, result);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_transfer() {
+ stack_allocator alloc;
+ std::pair< int, int > data = std::make_pair( 3, 7);
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f6);
+ BOOST_CHECK( ctx);
+ ctx::transfer_t t = ctx::jump_fcontext( ctx, & data);
+ int result = * ( int *) t.data;
+ BOOST_CHECK_EQUAL( 10, result);
+ data = std::make_pair( 7, 7);
+ t = ctx::jump_fcontext( t.fctx, & data);
+ result = * ( int *) t.data;
+ BOOST_CHECK_EQUAL( 14, result);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_exception() {
+ stack_allocator alloc;
+ std::string what("hello world");
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f7);
+ BOOST_CHECK( ctx);
+ ctx::jump_fcontext( ctx, & what);
+ BOOST_CHECK_EQUAL( std::string( what), value2);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_fp() {
+ stack_allocator alloc;
+ double d = 7.13;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f8);
+ BOOST_CHECK( ctx);
+ ctx::jump_fcontext( ctx, & d);
+ BOOST_CHECK_EQUAL( 10.58, value3);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_stacked() {
+ value1 = 0;
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize());
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f9);
+ ctx::jump_fcontext( ctx, 0);
+ BOOST_CHECK_EQUAL( 3, value1);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_ontop() {
+ value1 = 0;
+ value4 = 0;
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f12);
+ BOOST_CHECK( ctx);
+ ctx::transfer_t t = ctx::jump_fcontext( ctx, 0);
+ BOOST_CHECK_EQUAL( 0, value1);
+ BOOST_CHECK( 0 == value4);
+ int i = -3;
+ t = ctx::ontop_fcontext( t.fctx, & i, f11);
+ BOOST_CHECK_EQUAL( -3, value1);
+ BOOST_CHECK_EQUAL( & i, value4);
+ BOOST_CHECK_EQUAL( -3, * ( int *) t.data);
+ BOOST_CHECK_EQUAL( & i, ( int *) t.data);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_sscanf() {
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f13);
+ BOOST_CHECK( ctx);
+ ctx::jump_fcontext( ctx, 0);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+void test_snprintf() {
+ stack_allocator alloc;
+ void * sp = alloc.allocate( stack_allocator::default_stacksize() );
+ ctx::fcontext_t ctx = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f14);
+ ctx::jump_fcontext( ctx, 0);
+ alloc.deallocate( sp, stack_allocator::default_stacksize() );
+}
+
+boost::unit_test::test_suite * init_unit_test_suite( int, char* []) {
+ boost::unit_test::test_suite * test =
+ BOOST_TEST_SUITE("Boost.Context: fcontext test suite");
+ test->add( BOOST_TEST_CASE( & test_setup) );
+ test->add( BOOST_TEST_CASE( & test_start) );
+ test->add( BOOST_TEST_CASE( & test_jump) );
+ test->add( BOOST_TEST_CASE( & test_result) );
+ test->add( BOOST_TEST_CASE( & test_arg) );
+ test->add( BOOST_TEST_CASE( & test_transfer) );
+ test->add( BOOST_TEST_CASE( & test_exception) );
+ test->add( BOOST_TEST_CASE( & test_fp) );
+ test->add( BOOST_TEST_CASE( & test_stacked) );
+ test->add( BOOST_TEST_CASE( & test_ontop) );
+ test->add( BOOST_TEST_CASE( & test_sscanf) );
+ test->add( BOOST_TEST_CASE( & test_snprintf) );
+
+ return test;
+}
diff --git a/src/boost/libs/context/test/test_fiber.cpp b/src/boost/libs/context/test/test_fiber.cpp
new file mode 100644
index 000000000..e883d1435
--- /dev/null
+++ b/src/boost/libs/context/test/test_fiber.cpp
@@ -0,0 +1,538 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <cmath>
+#include <cstdint>
+#include <cstdio>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <thread>
+#include <utility>
+#include <vector>
+
+#include <boost/array.hpp>
+#include <boost/assert.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/utility.hpp>
+#include <boost/variant.hpp>
+
+#include <boost/context/fiber.hpp>
+#include <boost/context/detail/config.hpp>
+
+#ifdef BOOST_WINDOWS
+#include <windows.h>
+#endif
+
+#if defined(BOOST_MSVC)
+# pragma warning(push)
+# pragma warning(disable: 4702 4723 4996)
+#endif
+
+typedef boost::variant<int,std::string> variant_t;
+
+namespace ctx = boost::context;
+
+int value1 = 0;
+std::string value2;
+double value3 = 0.;
+
+struct X {
+ ctx::fiber foo( ctx::fiber && f, int i) {
+ value1 = i;
+ return std::move( f);
+ }
+};
+
+struct Y {
+ Y() {
+ value1 = 3;
+ }
+
+ Y( Y const&) = delete;
+ Y & operator=( Y const&) = delete;
+
+ ~Y() {
+ value1 = 7;
+ }
+};
+
+class moveable {
+public:
+ bool state;
+ int value;
+
+ moveable() :
+ state( false),
+ value( -1) {
+ }
+
+ moveable( int v) :
+ state( true),
+ value( v) {
+ }
+
+ moveable( moveable && other) :
+ state( other.state),
+ value( other.value) {
+ other.state = false;
+ other.value = -1;
+ }
+
+ moveable & operator=( moveable && other) {
+ if ( this == & other) return * this;
+ state = other.state;
+ value = other.value;
+ other.state = false;
+ other.value = -1;
+ return * this;
+ }
+
+ moveable( moveable const& other) = delete;
+ moveable & operator=( moveable const& other) = delete;
+
+ void operator()() {
+ value1 = value;
+ }
+};
+
+struct my_exception : public std::runtime_error {
+ ctx::fiber f;
+ my_exception( ctx::fiber && f_, char const* what) :
+ std::runtime_error( what),
+ f{ std::move( f_) } {
+ }
+};
+
+#ifdef BOOST_MSVC
+// Optimizations can remove the integer-divide-by-zero here.
+#pragma optimize("", off)
+void seh( bool & catched) {
+ __try {
+ int i = 1;
+ i /= 0;
+ } __except( EXCEPTION_EXECUTE_HANDLER) {
+ catched = true;
+ }
+}
+#pragma optimize("", on)
+#endif
+
+void test_move() {
+ value1 = 0;
+ int i = 1;
+ BOOST_CHECK_EQUAL( 0, value1);
+ ctx::fiber f1{
+ [&i](ctx::fiber && f) {
+ value1 = i;
+ f = std::move( f).resume();
+ value1 = i;
+ return std::move( f);
+ }};
+ f1 = std::move( f1).resume();
+ BOOST_CHECK_EQUAL( 1, value1);
+ BOOST_CHECK( f1);
+ ctx::fiber f2;
+ BOOST_CHECK( ! f2);
+ f2 = std::move( f1);
+ BOOST_CHECK( ! f1);
+ BOOST_CHECK( f2);
+ i = 3;
+ f2 = std::move( f2).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK( ! f1);
+ BOOST_CHECK( ! f2);
+}
+
+void test_bind() {
+ value1 = 0;
+ X x;
+ ctx::fiber f{ std::bind( & X::foo, x, std::placeholders::_1, 7) };
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 7, value1);
+}
+
+void test_exception() {
+ {
+ const char * what = "hello world";
+ ctx::fiber f{
+ [&what](ctx::fiber && f) {
+ try {
+ throw std::runtime_error( what);
+ } catch ( std::runtime_error const& e) {
+ value2 = e.what();
+ }
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( std::string( what), value2);
+ BOOST_CHECK( ! f);
+ }
+#ifdef BOOST_MSVC
+ {
+ bool catched = false;
+ std::thread([&catched](){
+ ctx::fiber f{ [&catched](ctx::fiber && f){
+ seh( catched);
+ return std::move( f);
+ }};
+ BOOST_CHECK( f);
+ f = std::move( f).resume();
+ }).join();
+ BOOST_CHECK( catched);
+ }
+#endif
+}
+
+void test_fp() {
+ value3 = 0.;
+ double d = 7.13;
+ ctx::fiber f{
+ [&d]( ctx::fiber && f) {
+ d += 3.45;
+ value3 = d;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 10.58, value3);
+ BOOST_CHECK( ! f);
+}
+
+void test_stacked() {
+ value1 = 0;
+ value3 = 0.;
+ ctx::fiber f{
+ [](ctx::fiber && f) {
+ ctx::fiber f1{
+ [](ctx::fiber && f) {
+ value1 = 3;
+ return std::move( f);
+ }};
+ f1 = std::move( f1).resume();
+ value3 = 3.14;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 3.14, value3);
+ BOOST_CHECK( ! f);
+}
+
+void test_prealloc() {
+ value1 = 0;
+ ctx::default_stack alloc;
+ ctx::stack_context sctx( alloc.allocate() );
+ void * sp = static_cast< char * >( sctx.sp) - 10;
+ std::size_t size = sctx.size - 10;
+ int i = 7;
+ ctx::fiber f{
+ std::allocator_arg, ctx::preallocated( sp, size, sctx), alloc,
+ [&i]( ctx::fiber && f) {
+ value1 = i;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK( ! f);
+}
+
+void test_ontop() {
+ {
+ int i = 3;
+ ctx::fiber f{ [&i](ctx::fiber && f) {
+ for (;;) {
+ i *= 10;
+ f = std::move( f).resume();
+ }
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ // Pass fn by reference to see if the types are properly decayed.
+ auto fn = [&i](ctx::fiber && f){
+ i -= 10;
+ return std::move( f);
+ };
+ f = std::move( f).resume_with(fn);
+ BOOST_CHECK( f);
+ BOOST_CHECK_EQUAL( i, 200);
+ }
+ {
+ ctx::fiber f1;
+ ctx::fiber f{ [&f1](ctx::fiber && f) {
+ f = std::move( f).resume();
+ BOOST_CHECK( ! f);
+ return std::move( f1);
+ }};
+ f = std::move( f).resume();
+ f = std::move( f).resume_with(
+ [&f1](ctx::fiber && f){
+ f1 = std::move( f);
+ return std::move( f);
+ });
+ }
+}
+
+void test_ontop_exception() {
+ value1 = 0;
+ value2 = "";
+ ctx::fiber f{ [](ctx::fiber && f){
+ for (;;) {
+ value1 = 3;
+ try {
+ f = std::move( f).resume();
+ } catch ( my_exception & ex) {
+ value2 = ex.what();
+ return std::move( ex.f);
+ }
+ }
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ const char * what = "hello world";
+ f = std::move( f).resume_with(
+ [what](ctx::fiber && f){
+ throw my_exception( std::move( f), what);
+ return std::move( f);
+ });
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( std::string( what), value2);
+}
+
+void test_termination1() {
+ {
+ value1 = 0;
+ ctx::fiber f{
+ [](ctx::fiber && f){
+ Y y;
+ f = std::move( f).resume();
+ return std::move(f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ {
+ value1 = 0;
+ BOOST_CHECK_EQUAL( 0, value1);
+ ctx::fiber f{
+ [](ctx::fiber && f) {
+ value1 = 3;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK( ! f);
+ }
+ {
+ value1 = 0;
+ BOOST_CHECK_EQUAL( 0, value1);
+ int i = 3;
+ ctx::fiber f{
+ [&i](ctx::fiber && f){
+ value1 = i;
+ f = std::move( f).resume();
+ value1 = i;
+ return std::move( f);
+ }};
+ f = std::move( f).resume();
+ BOOST_CHECK( f);
+ BOOST_CHECK_EQUAL( i, value1);
+ BOOST_CHECK( f);
+ i = 7;
+ f = std::move( f).resume();
+ BOOST_CHECK( ! f);
+ BOOST_CHECK_EQUAL( i, value1);
+ }
+}
+
+void test_termination2() {
+ {
+ value1 = 0;
+ value3 = 0.0;
+ ctx::fiber f{
+ [](ctx::fiber && f){
+ Y y;
+ value1 = 3;
+ value3 = 4.;
+ f = std::move( f).resume();
+ value1 = 7;
+ value3 = 8.;
+ f = std::move( f).resume();
+ return std::move( f);
+ }};
+ BOOST_CHECK_EQUAL( 0, value1);
+ BOOST_CHECK_EQUAL( 0., value3);
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 4., value3);
+ f = std::move( f).resume();
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK_EQUAL( 8., value3);
+}
+
+void test_sscanf() {
+ ctx::fiber{
+ []( ctx::fiber && f) {
+ {
+ double n1 = 0;
+ double n2 = 0;
+ sscanf("3.14 7.13", "%lf %lf", & n1, & n2);
+ BOOST_CHECK( n1 == 3.14);
+ BOOST_CHECK( n2 == 7.13);
+ }
+ {
+ int n1=0;
+ int n2=0;
+ sscanf("1 23", "%d %d", & n1, & n2);
+ BOOST_CHECK( n1 == 1);
+ BOOST_CHECK( n2 == 23);
+ }
+ {
+ int n1=0;
+ int n2=0;
+ sscanf("1 jjj 23", "%d %*[j] %d", & n1, & n2);
+ BOOST_CHECK( n1 == 1);
+ BOOST_CHECK( n2 == 23);
+ }
+ return std::move( f);
+ }}.resume();
+}
+
+void test_snprintf() {
+ ctx::fiber{
+ []( ctx::fiber && f) {
+ {
+ const char *fmt = "sqrt(2) = %f";
+ char buf[19];
+ snprintf( buf, sizeof( buf), fmt, std::sqrt( 2) );
+ BOOST_CHECK( 0 < sizeof( buf) );
+ BOOST_ASSERT( std::string("sqrt(2) = 1.41") == std::string( buf, 14) );
+ }
+ {
+ std::uint64_t n = 0xbcdef1234567890;
+ const char *fmt = "0x%016llX";
+ char buf[100];
+ snprintf( buf, sizeof( buf), fmt, n);
+ BOOST_ASSERT( std::string("0x0BCDEF1234567890") == std::string( buf, 18) );
+ }
+ return std::move( f);
+ }}.resume();
+}
+
+#ifdef BOOST_WINDOWS
+void test_bug12215() {
+ ctx::fiber{
+ [](ctx::fiber && f) {
+ char buffer[MAX_PATH];
+ GetModuleFileName( nullptr, buffer, MAX_PATH);
+ return std::move( f);
+ }}.resume();
+}
+#endif
+
+void test_goodcatch() {
+ value1 = 0;
+ value3 = 0.0;
+ {
+ ctx::fiber f{
+ []( ctx::fiber && f) {
+ Y y;
+ value3 = 2.;
+ f = std::move( f).resume();
+ try {
+ value3 = 3.;
+ f = std::move( f).resume();
+ } catch ( boost::context::detail::forced_unwind const&) {
+ value3 = 4.;
+ throw;
+ } catch (...) {
+ value3 = 5.;
+ }
+ value3 = 6.;
+ return std::move( f);
+ }};
+ BOOST_CHECK_EQUAL( 0, value1);
+ BOOST_CHECK_EQUAL( 0., value3);
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 2., value3);
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 3., value3);
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK_EQUAL( 4., value3);
+}
+
+void test_badcatch() {
+#if 0
+ value1 = 0;
+ value3 = 0.;
+ {
+ ctx::fiber f{
+ []( ctx::fiber && f) {
+ Y y;
+ try {
+ value3 = 3.;
+ f = std::move( f).resume();
+ } catch (...) {
+ value3 = 5.;
+ }
+ return std::move( f);
+ }};
+ BOOST_CHECK_EQUAL( 0, value1);
+ BOOST_CHECK_EQUAL( 0., value3);
+ f = std::move( f).resume();
+ BOOST_CHECK_EQUAL( 3, value1);
+ BOOST_CHECK_EQUAL( 3., value3);
+ // the destruction of ctx here will cause a forced_unwind to be thrown that is not caught
+ // in fn19. That will trigger the "not caught" assertion in ~forced_unwind. Getting that
+ // assertion to propogate bak here cleanly is non-trivial, and there seems to not be a good
+ // way to hook directly into the assertion when it happens on an alternate stack.
+ std::move( f);
+ }
+ BOOST_CHECK_EQUAL( 7, value1);
+ BOOST_CHECK_EQUAL( 4., value3);
+#endif
+}
+
+boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
+{
+ boost::unit_test::test_suite * test =
+ BOOST_TEST_SUITE("Boost.Context: fiber test suite");
+
+ test->add( BOOST_TEST_CASE( & test_move) );
+ test->add( BOOST_TEST_CASE( & test_bind) );
+ test->add( BOOST_TEST_CASE( & test_exception) );
+ test->add( BOOST_TEST_CASE( & test_fp) );
+ test->add( BOOST_TEST_CASE( & test_stacked) );
+ test->add( BOOST_TEST_CASE( & test_prealloc) );
+ test->add( BOOST_TEST_CASE( & test_ontop) );
+ test->add( BOOST_TEST_CASE( & test_ontop_exception) );
+ test->add( BOOST_TEST_CASE( & test_termination1) );
+ test->add( BOOST_TEST_CASE( & test_termination2) );
+ test->add( BOOST_TEST_CASE( & test_sscanf) );
+ test->add( BOOST_TEST_CASE( & test_snprintf) );
+#ifdef BOOST_WINDOWS
+ test->add( BOOST_TEST_CASE( & test_bug12215) );
+#endif
+ test->add( BOOST_TEST_CASE( & test_goodcatch) );
+ test->add( BOOST_TEST_CASE( & test_badcatch) );
+
+ return test;
+}
+
+#if defined(BOOST_MSVC)
+# pragma warning(pop)
+#endif
diff --git a/src/boost/libs/context/test/test_invoke.cpp b/src/boost/libs/context/test/test_invoke.cpp
new file mode 100644
index 000000000..c8c0b08ab
--- /dev/null
+++ b/src/boost/libs/context/test/test_invoke.cpp
@@ -0,0 +1,233 @@
+
+// Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <tuple>
+#include <utility>
+
+#include <boost/assert.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include <boost/context/detail/invoke.hpp>
+#include <boost/context/detail/config.hpp>
+
+namespace ctx = boost::context;
+
+struct callable {
+ int k{ 0 };
+
+ callable() = default;
+
+ callable( int k_) :
+ k{ k_ } {
+ }
+
+ int foo( int i, int j) const {
+ return i + j + k;
+ }
+
+ int operator()( int i, int j) const {
+ return foo( i, j);
+ }
+};
+
+struct movable {
+ int k{ 0 };
+
+ movable() = default;
+
+ movable( int k_) :
+ k{ k_ } {
+ }
+
+ movable( movable const&) = delete;
+ movable & operator=( movable const&) = delete;
+
+ movable( movable && other) :
+ k{ other.k } {
+ other.k = -1;
+ }
+
+ movable & operator=( movable && other) {
+ if ( this == & other) return * this;
+ k = other.k;
+ other.k = -1;
+ return * this;
+ }
+
+ int foo( int i, int j) const {
+ return i + j + k;
+ }
+
+ int operator()( int i, int j) const {
+ return foo( i, j);
+ }
+};
+
+int fn1( int i, int j) {
+ return i + j;
+}
+
+int * fn2( int * ip) {
+ return ip;
+}
+
+int * fn3( int & ir) {
+ return & ir;
+}
+
+int & fn4( int & ir) {
+ return ir;
+}
+
+template< typename T >
+int fn5( int i, T && t_) {
+ T t = std::forward< T >( t_);
+ return i + t.k;
+}
+
+void test1() {
+ int result = ctx::detail::invoke( fn1, 1, 2);
+ BOOST_CHECK_EQUAL( result, 3);
+}
+
+void test2() {
+ {
+ int i = 3;
+ int * ip = & i;
+ int * result = ctx::detail::invoke( fn2, ip);
+ BOOST_CHECK_EQUAL( result, ip);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+ {
+ int i = 3;
+ int * result = ctx::detail::invoke( fn2, & i);
+ BOOST_CHECK_EQUAL( result, & i);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+}
+
+void test3() {
+ {
+ int i = 3;
+ int & ir = i;
+ int * result = ctx::detail::invoke( fn3, ir);
+ BOOST_CHECK_EQUAL( result, & ir);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+ {
+ int i = 3;
+ int * result = ctx::detail::invoke( fn3, i);
+ BOOST_CHECK_EQUAL( result, & i);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+}
+
+void test4() {
+ {
+ int i = 3;
+ int & ir = i;
+ int & result = ctx::detail::invoke( fn4, ir);
+ BOOST_CHECK_EQUAL( result, ir);
+ BOOST_CHECK_EQUAL( & result, & ir);
+ BOOST_CHECK_EQUAL( result, i);
+ }
+ {
+ int i = 3;
+ int & result = ctx::detail::invoke( fn4, i);
+ BOOST_CHECK_EQUAL( & result, & i);
+ BOOST_CHECK_EQUAL( result, i);
+ }
+}
+
+void test5() {
+ {
+ callable c( 5);
+ int result = ctx::detail::invoke( fn5< callable >, 1, std::move( c) );
+ BOOST_CHECK_EQUAL( result, 6);
+ BOOST_CHECK_EQUAL( c.k, 5);
+ }
+ {
+ movable m( 5);
+ int result = ctx::detail::invoke( fn5< movable >, 1, std::move( m) );
+ BOOST_CHECK_EQUAL( result, 6);
+ BOOST_CHECK_EQUAL( m.k, -1);
+ }
+}
+
+void test6() {
+ {
+ callable c;
+ int result = ctx::detail::invoke( c, 1, 2);
+ BOOST_CHECK_EQUAL( result, 3);
+ BOOST_CHECK_EQUAL( c.k, 0);
+ }
+ {
+ callable c;
+ int result = ctx::detail::invoke( & callable::foo, c, 1, 2);
+ BOOST_CHECK_EQUAL( result, 3);
+ BOOST_CHECK_EQUAL( c.k, 0);
+ }
+}
+
+void test7() {
+ {
+ int result = ctx::detail::invoke( movable{}, 1, 2);
+ BOOST_CHECK_EQUAL( result, 3);
+ }
+ {
+ int result = ctx::detail::invoke( & movable::foo, movable{}, 1, 2);
+ BOOST_CHECK_EQUAL( result, 3);
+ }
+}
+
+template< typename R, typename Fn, typename ... Args >
+R apply( Fn && fn, Args && ... args) {
+ return ctx::detail::invoke(
+ std::forward< Fn >( fn),
+ std::forward< Args >( args) ... );
+}
+
+void test8() {
+ {
+ int result = apply< int >( fn1, 1, 2);
+ BOOST_CHECK_EQUAL( result, 3);
+ }
+ {
+ int i = 3;
+ int & ir = i;
+ int * result = apply< int * >( fn3, ir);
+ BOOST_CHECK_EQUAL( result, & ir);
+ BOOST_CHECK_EQUAL( * result, i);
+ }
+ {
+ movable m( 5);
+ int result = apply< int >( fn5< movable >, 1, std::move( m) );
+ BOOST_CHECK_EQUAL( result, 6);
+ BOOST_CHECK_EQUAL( m.k, -1);
+ }
+}
+
+boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
+{
+ boost::unit_test::test_suite * test =
+ BOOST_TEST_SUITE("Boost.Context: invoke test suite");
+
+ test->add( BOOST_TEST_CASE( & test1) );
+ test->add( BOOST_TEST_CASE( & test2) );
+ test->add( BOOST_TEST_CASE( & test3) );
+ test->add( BOOST_TEST_CASE( & test4) );
+ test->add( BOOST_TEST_CASE( & test5) );
+ test->add( BOOST_TEST_CASE( & test6) );
+ test->add( BOOST_TEST_CASE( & test7) );
+ test->add( BOOST_TEST_CASE( & test8) );
+
+ return test;
+}