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# ignore-cross-compile
include ../tools.mk
# ignore-windows-msvc
NM=nm -D
CDYLIB_NAME=liba_cdylib.so
RDYLIB_NAME=liba_rust_dylib.so
PROC_MACRO_NAME=liba_proc_macro.so
EXE_NAME=an_executable
COMBINED_CDYLIB_NAME=libcombined_rlib_dylib.so
ifeq ($(UNAME),Darwin)
NM=nm -gU
CDYLIB_NAME=liba_cdylib.dylib
RDYLIB_NAME=liba_rust_dylib.dylib
PROC_MACRO_NAME=liba_proc_macro.dylib
EXE_NAME=an_executable
COMBINED_CDYLIB_NAME=libcombined_rlib_dylib.dylib
endif
ifdef IS_WINDOWS
NM=nm -g
CDYLIB_NAME=liba_cdylib.dll.a
RDYLIB_NAME=liba_rust_dylib.dll.a
PROC_MACRO_NAME=liba_proc_macro.dll
EXE_NAME=an_executable.exe
COMBINED_CDYLIB_NAME=libcombined_rlib_dylib.dll.a
endif
# `grep` regex for symbols produced by either `legacy` or `v0` mangling
RE_ANY_RUST_SYMBOL="_ZN.*h.*E\|_R[a-zA-Z0-9_]+"
all:
$(RUSTC) -Zshare-generics=no an_rlib.rs
$(RUSTC) -Zshare-generics=no a_cdylib.rs
$(RUSTC) -Zshare-generics=no a_rust_dylib.rs
$(RUSTC) -Zshare-generics=no a_proc_macro.rs
$(RUSTC) -Zshare-generics=no an_executable.rs
$(RUSTC) -Zshare-generics=no a_cdylib.rs --crate-name combined_rlib_dylib --crate-type=rlib,cdylib
# Check that a cdylib exports its public #[no_mangle] functions
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_cdylib)" -eq "1" ]
# Check that a cdylib exports the public #[no_mangle] functions of dependencies
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
# Check that a cdylib DOES NOT export any public Rust functions
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c $(RE_ANY_RUST_SYMBOL))" -eq "0" ]
# Check that a Rust dylib exports its monomorphic functions
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rust_dylib)" -eq "1" ]
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_rust_function_from_rust_dylib)" -eq "1" ]
# Check that a Rust dylib does not export generics if -Zshare-generics=no
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_generic_function_from_rust_dylib)" -eq "0" ]
# Check that a Rust dylib exports the monomorphic functions from its dependencies
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_rust_function_from_rlib)" -eq "1" ]
# Check that a Rust dylib does not export generics if -Zshare-generics=no
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_generic_function_from_rlib)" -eq "0" ]
# Check that a proc macro exports its public #[no_mangle] functions
# FIXME(#99978) avoid exporting #[no_mangle] symbols for proc macros
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_cdylib)" -eq "1" ]
# Check that a proc macro exports the public #[no_mangle] functions of dependencies
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
# Check that a proc macro DOES NOT export any public Rust functions
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c $(RE_ANY_RUST_SYMBOL))" -eq "0" ]
# FIXME(nbdd0121): This is broken in MinGW, see https://github.com/rust-lang/rust/pull/95604#issuecomment-1101564032
ifndef IS_WINDOWS
# Check that an executable does not export any dynamic symbols
[ "$$($(NM) $(TMPDIR)/$(EXE_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "0" ]
[ "$$($(NM) $(TMPDIR)/$(EXE_NAME) | grep -v __imp_ | grep -c public_rust_function_from_exe)" -eq "0" ]
endif
# Check the combined case, where we generate a cdylib and an rlib in the same
# compilation session:
# Check that a cdylib exports its public #[no_mangle] functions
[ "$$($(NM) $(TMPDIR)/$(COMBINED_CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_cdylib)" -eq "1" ]
# Check that a cdylib exports the public #[no_mangle] functions of dependencies
[ "$$($(NM) $(TMPDIR)/$(COMBINED_CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
# Check that a cdylib DOES NOT export any public Rust functions
[ "$$($(NM) $(TMPDIR)/$(COMBINED_CDYLIB_NAME) | grep -v __imp_ | grep -c $(RE_ANY_RUST_SYMBOL))" -eq "0" ]
$(RUSTC) -Zshare-generics=yes an_rlib.rs
$(RUSTC) -Zshare-generics=yes a_cdylib.rs
$(RUSTC) -Zshare-generics=yes a_rust_dylib.rs
$(RUSTC) -Zshare-generics=yes a_proc_macro.rs
$(RUSTC) -Zshare-generics=yes an_executable.rs
# Check that a cdylib exports its public #[no_mangle] functions
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_cdylib)" -eq "1" ]
# Check that a cdylib exports the public #[no_mangle] functions of dependencies
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
# Check that a cdylib DOES NOT export any public Rust functions
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c $(RE_ANY_RUST_SYMBOL))" -eq "0" ]
# Check that a Rust dylib exports its monomorphic functions, including generics this time
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rust_dylib)" -eq "1" ]
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_rust_function_from_rust_dylib)" -eq "1" ]
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_generic_function_from_rust_dylib)" -eq "1" ]
# Check that a Rust dylib exports the monomorphic functions from its dependencies
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_rust_function_from_rlib)" -eq "1" ]
[ "$$($(NM) $(TMPDIR)/$(RDYLIB_NAME) | grep -v __imp_ | grep -c public_generic_function_from_rlib)" -eq "1" ]
# Check that a proc macro exports its public #[no_mangle] functions
# FIXME(#99978) avoid exporting #[no_mangle] symbols for proc macros
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_cdylib)" -eq "1" ]
# Check that a proc macro exports the public #[no_mangle] functions of dependencies
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "1" ]
# Check that a proc macro DOES NOT export any public Rust functions
[ "$$($(NM) $(TMPDIR)/$(CDYLIB_NAME) | grep -v __imp_ | grep -c $(RE_ANY_RUST_SYMBOL))" -eq "0" ]
ifndef IS_WINDOWS
# Check that an executable does not export any dynamic symbols
[ "$$($(NM) $(TMPDIR)/$(EXE_NAME) | grep -v __imp_ | grep -c public_c_function_from_rlib)" -eq "0" ]
[ "$$($(NM) $(TMPDIR)/$(EXE_NAME) | grep -v __imp_ | grep -c public_rust_function_from_exe)" -eq "0" ]
endif
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