diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_intel')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/call.hxx | 31 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/call.s | 292 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.cxx | 150 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.hxx | 40 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/cpp2uno.cxx | 517 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/except.cxx | 302 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/share.hxx | 156 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx | 392 |
8 files changed, 1880 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/call.hxx b/bridges/source/cpp_uno/gcc3_linux_intel/call.hxx new file mode 100644 index 000000000..986d2106e --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/call.hxx @@ -0,0 +1,31 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_INTEL_CALL_HXX +#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_INTEL_CALL_HXX + +#include <sal/config.h> + +extern "C" void cpp_vtable_call( + int nFunctionIndex, int nVtableOffset, void ** pCallStack, + void * pRegisterReturn); + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/call.s b/bridges/source/cpp_uno/gcc3_linux_intel/call.s new file mode 100644 index 000000000..6be583247 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/call.s @@ -0,0 +1,292 @@ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + .text + +.globl privateSnippetExecutorGeneral + .type privateSnippetExecutorGeneral,@function +privateSnippetExecutorGeneral: +.LFBg: + movl %esp,%ecx + pushl %ebp # proper stack frame needed for exception handling +.LCFIg0: + movl %esp,%ebp +.LCFIg1: + subl $0x8,%esp # 32bit returnValue, and preserve potential 128bit + # stack alignment + pushl %esp # 32bit &returnValue + pushl %ecx # 32bit pCallStack + pushl %edx # 32bit nVtableOffset + pushl %eax # 32bit nFunctionIndex + call cpp_vtable_call + movl 16(%esp),%eax # 32bit returnValue + leave + ret +.LFEg: + .size privateSnippetExecutorGeneral,.-privateSnippetExecutorGeneral + +.globl privateSnippetExecutorVoid + .type privateSnippetExecutorVoid,@function +privateSnippetExecutorVoid: +.LFBv: + movl %esp,%ecx + pushl %ebp # proper stack frame needed for exception handling +.LCFIv0: + movl %esp,%ebp +.LCFIv1: + andl $0xFFFFFFF0,%esp # preserve potential 128bit stack alignment + pushl $0 # 32bit null pointer (returnValue not used) + pushl %ecx # 32bit pCallStack + pushl %edx # 32bit nVtableOffset + pushl %eax # 32bit nFunctionIndex + call cpp_vtable_call + leave + ret +.LFEv: + .size privateSnippetExecutorVoid,.-privateSnippetExecutorVoid + +.globl privateSnippetExecutorHyper + .type privateSnippetExecutorHyper,@function +privateSnippetExecutorHyper: +.LFBh: + movl %esp,%ecx + pushl %ebp # proper stack frame needed for exception handling +.LCFIh0: + movl %esp,%ebp +.LCFIh1: + subl $0x8,%esp # 64bit returnValue (preserves potential 128bit + # stack alignment) + pushl %esp # 32bit &returnValue + pushl %ecx # 32bit pCallStack + pushl %edx # 32bit nVtableOffset + pushl %eax # 32bit nFunctionIndex + call cpp_vtable_call + movl 16(%esp),%eax # 64bit returnValue, lower half + movl 20(%esp),%edx # 64bit returnValue, upper half + leave + ret +.LFEh: + .size privateSnippetExecutorHyper,.-privateSnippetExecutorHyper + +.globl privateSnippetExecutorFloat + .type privateSnippetExecutorFloat,@function +privateSnippetExecutorFloat: +.LFBf: + movl %esp,%ecx + pushl %ebp # proper stack frame needed for exception handling +.LCFIf0: + movl %esp,%ebp +.LCFIf1: + subl $0x8,%esp # 32bit returnValue, and preserve potential 128bit + # stack alignment + pushl %esp # 32bit &returnValue + pushl %ecx # 32bit pCallStack + pushl %edx # 32bit nVtableOffset + pushl %eax # 32bit nFunctionIndex + call cpp_vtable_call + flds 16(%esp) # 32bit returnValue + leave + ret +.LFEf: + .size privateSnippetExecutorFloat,.-privateSnippetExecutorFloat + +.globl privateSnippetExecutorDouble + .type privateSnippetExecutorDouble,@function +privateSnippetExecutorDouble: +.LFBd: + movl %esp,%ecx + pushl %ebp # proper stack frame needed for exception handling +.LCFId0: + movl %esp,%ebp +.LCFId1: + subl $0x8,%esp # 64bit returnValue (preserves potential 128bit + # stack alignment) + pushl %esp # 32bit &returnValue + pushl %ecx # 32bit pCallStack + pushl %edx # 32bit nVtableOffset + pushl %eax # 32bit nFunctionIndex + call cpp_vtable_call + fldl 16(%esp) # 64bit returnValue + leave + ret +.LFEd: + .size privateSnippetExecutorDouble,.-privateSnippetExecutorDouble + +.globl privateSnippetExecutorClass + .type privateSnippetExecutorClass,@function +privateSnippetExecutorClass: +.LFBc: + movl %esp,%ecx + pushl %ebp # proper stack frame needed for exception handling +.LCFIc0: + movl %esp,%ebp +.LCFIc1: + subl $0x8,%esp # 32bit returnValue, and preserve potential 128bit + # stack alignment + pushl %esp # 32bit &returnValue + pushl %ecx # 32bit pCallStack + pushl %edx # 32bit nVtableOffset + pushl %eax # 32bit nFunctionIndex + call cpp_vtable_call + movl 16(%esp),%eax # 32bit returnValue + leave + ret $4 +.LFEc: + .size privateSnippetExecutorClass,.-privateSnippetExecutorClass + + .section .eh_frame,"a",@progbits +.Lframe1: + .long .LECIE1-.LSCIE1 # length +.LSCIE1: + .long 0 # CIE_ID + .byte 1 # version + .string "zR" # augmentation + .uleb128 1 # code_alignment_factor + .sleb128 -4 # data_alignment_factor + .byte 8 # return_address_register + .uleb128 1 # augmentation size 1: + .byte 0x1B # FDE Encoding (pcrel sdata4) + # initial_instructions: + .byte 0x0C # DW_CFA_def_cfa %esp, 4 + .uleb128 4 + .uleb128 4 + .byte 0x88 # DW_CFA_offset ret, 1 + .uleb128 1 + .align 4 +.LECIE1: +.LSFDEg: + .long .LEFDEg-.LASFDEg # length +.LASFDEg: + .long .LASFDEg-.Lframe1 # CIE_pointer + .long .LFBg-. # initial_location + .long .LFEg-.LFBg # address_range + .uleb128 0 # augmentation size 0 + # instructions: + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIg0-.LFBg + .byte 0x0E # DW_CFA_def_cfa_offset 8 + .uleb128 8 + .byte 0x85 # DW_CFA_offset %ebp, 2 + .uleb128 2 + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIg1-.LCFIg0 + .byte 0x0D # DW_CFA_def_cfa_register %ebp + .uleb128 5 + .align 4 +.LEFDEg: +.LSFDEv: + .long .LEFDEv-.LASFDEv # length +.LASFDEv: + .long .LASFDEv-.Lframe1 # CIE_pointer + .long .LFBv-. # initial_location + .long .LFEv-.LFBv # address_range + .uleb128 0 # augmentation size 0 + # instructions: + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIv0-.LFBv + .byte 0x0E # DW_CFA_def_cfa_offset 8 + .uleb128 8 + .byte 0x85 # DW_CFA_offset %ebp, 2 + .uleb128 2 + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIv1-.LCFIv0 + .byte 0x0D # DW_CFA_def_cfa_register %ebp + .uleb128 5 + .align 4 +.LEFDEv: +.LSFDEh: + .long .LEFDEh-.LASFDEh # length +.LASFDEh: + .long .LASFDEh-.Lframe1 # CIE_pointer + .long .LFBh-. # initial_location + .long .LFEh-.LFBh # address_range + .uleb128 0 # augmentation size 0 + # instructions: + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIh0-.LFBh + .byte 0x0E # DW_CFA_def_cfa_offset 8 + .uleb128 8 + .byte 0x85 # DW_CFA_offset %ebp, 2 + .uleb128 2 + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIh1-.LCFIh0 + .byte 0x0D # DW_CFA_def_cfa_register %ebp + .uleb128 5 + .align 4 +.LEFDEh: +.LSFDEf: + .long .LEFDEf-.LASFDEf # length +.LASFDEf: + .long .LASFDEf-.Lframe1 # CIE_pointer + .long .LFBf-. # initial_location + .long .LFEf-.LFBf # address_range + .uleb128 0 # augmentation size 0 + # instructions: + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIf0-.LFBf + .byte 0x0E # DW_CFA_def_cfa_offset 8 + .uleb128 8 + .byte 0x85 # DW_CFA_offset %ebp, 2 + .uleb128 2 + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIf1-.LCFIf0 + .byte 0x0D # DW_CFA_def_cfa_register %ebp + .uleb128 5 + .align 4 +.LEFDEf: +.LSFDEd: + .long .LEFDEd-.LASFDEd # length +.LASFDEd: + .long .LASFDEd-.Lframe1 # CIE_pointer + .long .LFBd-. # initial_location + .long .LFEd-.LFBd # address_range + .uleb128 0 # augmentation size 0 + # instructions: + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFId0-.LFBd + .byte 0x0E # DW_CFA_def_cfa_offset 8 + .uleb128 8 + .byte 0x85 # DW_CFA_offset %ebp, 2 + .uleb128 2 + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFId1-.LCFId0 + .byte 0x0D # DW_CFA_def_cfa_register %ebp + .uleb128 5 + .align 4 +.LEFDEd: +.LSFDEc: + .long .LEFDEc-.LASFDEc # length +.LASFDEc: + .long .LASFDEc-.Lframe1 # CIE_pointer + .long .LFBc-. # initial_location + .long .LFEc-.LFBc # address_range + .uleb128 0 # augmentation size 0 + # instructions: + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIc0-.LFBc + .byte 0x0E # DW_CFA_def_cfa_offset 8 + .uleb128 8 + .byte 0x85 # DW_CFA_offset %ebp, 2 + .uleb128 2 + .byte 0x04 # DW_CFA_advance_loc4 + .long .LCFIc1-.LCFIc0 + .byte 0x0D # DW_CFA_def_cfa_register %ebp + .uleb128 5 + .align 4 +.LEFDEc: + .section .note.GNU-stack,"",@progbits diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.cxx b/bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.cxx new file mode 100644 index 000000000..b0b160b24 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.cxx @@ -0,0 +1,150 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <cassert> + +#include <cppu/macros.hxx> +#include <sal/types.h> +#include <typelib/typeclass.h> +#include <typelib/typedescription.h> + +#include "callvirtualmethod.hxx" +#include "share.hxx" + +// The call instruction within the asm block of callVirtualMethod may throw +// exceptions. At least GCC 4.7.0 with -O0 would create (unnecessary) +// .gcc_exception_table call-site table entries around all other calls in this +// function that can throw, leading to std::terminate if the asm call throws an +// exception and the unwinding C++ personality routine finds the unexpected hole +// in the .gcc_exception_table. Therefore, make sure this function explicitly +// only calls nothrow-functions (so GCC 4.7.0 with -O0 happens to not create a +// .gcc_exception_table section at all for this function). For some reason, +// this also needs to be in a source file of its own. +// +// Also, this file should be compiled with -fnon-call-exceptions, and ideally +// there would be a way to tell the compiler that the asm block contains calls +// to functions that can potentially throw; see the mail thread starting at +// <http://gcc.gnu.org/ml/gcc/2012-03/msg00454.html> "C++: Letting compiler know +// asm block can call function that can throw?" + +void CPPU_CURRENT_NAMESPACE::callVirtualMethod( + void * pAdjustedThisPtr, sal_Int32 nVtableIndex, void * pRegisterReturn, + typelib_TypeDescription * pReturnTypeDescr, bool bSimpleReturn, + sal_Int32 * pStackLongs, sal_Int32 nStackLongs) +{ + // parameter list is mixed list of * and values + // reference parameters are pointers + + assert(pStackLongs && pAdjustedThisPtr); + assert(sizeof (void *) == 4 && sizeof (sal_Int32) == 4); + // unexpected size of int + assert(nStackLongs && pStackLongs); // no stack + +#if defined __clang__ + if (! pAdjustedThisPtr) CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something +#endif + + long edx, eax; // for register returns + void * stackptr; + asm volatile ( + "mov %%esp, %2\n\t" + // preserve potential 128bit stack alignment + "and $0xfffffff0, %%esp\n\t" + "mov %3, %%eax\n\t" + "lea -4(,%%eax,4), %%eax\n\t" + "and $0xf, %%eax\n\t" + "sub $0xc, %%eax\n\t" + "add %%eax, %%esp\n\t" + // copy values + "mov %3, %%eax\n\t" + "mov %%eax, %%edx\n\t" + "dec %%edx\n\t" + "shl $2, %%edx\n\t" + "add %4, %%edx\n" + "Lcopy:\n\t" + "pushl 0(%%edx)\n\t" + "sub $4, %%edx\n\t" + "dec %%eax\n\t" + "jne Lcopy\n\t" + // do the actual call + "mov %5, %%edx\n\t" + "mov 0(%%edx), %%edx\n\t" + "mov %6, %%eax\n\t" + "shl $2, %%eax\n\t" + "add %%eax, %%edx\n\t" + "mov 0(%%edx), %%edx\n\t" + "call *%%edx\n\t" + // save return registers + "mov %%eax, %0\n\t" + "mov %%edx, %1\n\t" + // cleanup stack + "mov %2, %%esp\n\t" + : "=m"(eax), "=m"(edx), "=m"(stackptr) + : "m"(nStackLongs), "m"(pStackLongs), "m"(pAdjustedThisPtr), "m"(nVtableIndex) + : "eax", "ecx", "edx" ); + switch( pReturnTypeDescr->eTypeClass ) + { + case typelib_TypeClass_VOID: + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + static_cast<long*>(pRegisterReturn)[1] = edx; + [[fallthrough]]; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_ENUM: + static_cast<long*>(pRegisterReturn)[0] = eax; + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *static_cast<unsigned short*>(pRegisterReturn) = eax; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *static_cast<unsigned char*>(pRegisterReturn) = eax; + break; + case typelib_TypeClass_FLOAT: + asm ( "fstps %0" : : "m"(*static_cast<char *>(pRegisterReturn)) ); + break; + case typelib_TypeClass_DOUBLE: + asm ( "fstpl %0\n\t" : : "m"(*static_cast<char *>(pRegisterReturn)) ); + break; + default: + { +#if defined (FREEBSD) || defined(NETBSD) || defined(OPENBSD) || defined(MACOSX) || \ + defined(DRAGONFLY) + sal_Int32 const nRetSize = pReturnTypeDescr->nSize; + if (bSimpleReturn && nRetSize <= 8 && nRetSize > 0) + { + if (nRetSize > 4) + static_cast<long *>(pRegisterReturn)[1] = edx; + static_cast<long *>(pRegisterReturn)[0] = eax; + } +#else + (void)bSimpleReturn; +#endif + break; + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.hxx b/bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.hxx new file mode 100644 index 000000000..4098b87d8 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.hxx @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_INTEL_CALLVIRTUALMETHOD_HXX +#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_INTEL_CALLVIRTUALMETHOD_HXX + +#include <sal/config.h> + +#include <cppu/macros.hxx> +#include <sal/types.h> +#include <typelib/typedescription.h> + +namespace CPPU_CURRENT_NAMESPACE { + +void callVirtualMethod( + void * pAdjustedThisPtr, sal_Int32 nVtableIndex, void * pRegisterReturn, + typelib_TypeDescription * pReturnTypeDescr, bool bSimpleReturn, + sal_Int32 * pStackLongs, sal_Int32 nStackLongs); + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_intel/cpp2uno.cxx new file mode 100644 index 000000000..70c6091ec --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/cpp2uno.cxx @@ -0,0 +1,517 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <com/sun/star/uno/genfunc.hxx> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <sal/log.hxx> +#include <uno/data.h> +#include <typelib/typedescription.hxx> + +#include <bridge.hxx> +#include <cppinterfaceproxy.hxx> +#include <types.hxx> +#include <vtablefactory.hxx> + +#include "call.hxx" +#include "share.hxx" + +using namespace ::com::sun::star::uno; + +namespace +{ + +void cpp2uno_call( + bridges::cpp_uno::shared::CppInterfaceProxy * pThis, + const typelib_TypeDescription * pMemberTypeDescr, + typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return + sal_Int32 nParams, typelib_MethodParameter * pParams, + void ** pCallStack, + void * pReturnValue ) +{ + // pCallStack: ret, [return ptr], this, params + char * pCppStack = reinterpret_cast<char *>(pCallStack +1); + + // return + typelib_TypeDescription * pReturnTypeDescr = nullptr; + if (pReturnTypeRef) + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + + void * pUnoReturn = nullptr; + void * pCppReturn = nullptr; // complex return ptr: if != 0 && != pUnoReturn, reconversion need + + if (pReturnTypeDescr) + { + if (x86::isSimpleReturnType( pReturnTypeDescr )) + { + pUnoReturn = pReturnValue; // direct way for simple types + } + else // complex return via ptr (pCppReturn) + { + pCppReturn = *reinterpret_cast<void **>(pCppStack); + pCppStack += sizeof(void *); + + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + } + } + // pop this + pCppStack += sizeof( void* ); + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // parameters + void ** pUnoArgs = static_cast<void **>(alloca( 4 * sizeof(void *) * nParams )); + void ** pCppArgs = pUnoArgs + nParams; + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = reinterpret_cast<sal_Int32 *>(pUnoArgs + (2 * nParams)); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<typelib_TypeDescription **>(pUnoArgs + (3 * nParams)); + + sal_Int32 nTempIndices = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut + && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + // value + { + pCppArgs[nPos] = pCppStack; + pUnoArgs[nPos] = pCppStack; + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppStack += sizeof(sal_Int32); // extra long + break; + default: + break; + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + pCppArgs[nPos] = *reinterpret_cast<void **>(pCppStack); + + if (! rParam.bIn) // is pure out + { + // uno out is unconstructed mem! + pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ); + pTempIndices[nTempIndices] = nPos; + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( + pParamTypeDescr )) + { + uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ), + *reinterpret_cast<void **>(pCppStack), pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + pUnoArgs[nPos] = *reinterpret_cast<void **>(pCppStack); + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + // ExceptionHolder + uno_Any aUnoExc; // Any will be constructed by callee + uno_Any * pUnoExc = &aUnoExc; + + // invoke uno dispatch call + (*pThis->getUnoI()->pDispatcher)( + pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc ); + + // in case an exception occurred... + if (pUnoExc) + { + // destruct temporary in/inout params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + + if (pParams[nIndex].bIn) // is in/inout => was constructed + uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], nullptr ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + + CPPU_CURRENT_NAMESPACE::raiseException( + &aUnoExc, pThis->getBridge()->getUno2Cpp() ); + // has to destruct the any + } + else // else no exception occurred... + { + // temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bOut) // inout/out + { + // convert and assign + uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + } + // destroy temp uno param + uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, nullptr ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return + if (pCppReturn) // has complex return + { + if (pUnoReturn != pCppReturn) // needs reconversion + { + uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + // destroy temp uno return + uno_destructData( pUnoReturn, pReturnTypeDescr, nullptr ); + } + // complex return ptr is set to eax + *static_cast< void ** >(pReturnValue) = pCppReturn; + } + if (pReturnTypeDescr) + { + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } + } +} + + +extern "C" void cpp_vtable_call( + int nFunctionIndex, int nVtableOffset, void** pCallStack, + void * pReturnValue ) +{ + static_assert(sizeof(sal_Int32)==sizeof(void *), "### unexpected!"); + + // pCallStack: ret adr, [ret *], this, params + void * pThis; + if( nFunctionIndex & 0x80000000 ) + { + nFunctionIndex &= 0x7fffffff; + pThis = pCallStack[2]; + } + else + { + pThis = pCallStack[1]; + } + pThis = static_cast< char * >(pThis) - nVtableOffset; + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI + = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + pThis); + + typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); + + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + SAL_WARN( + "bridges", + "illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName) + << " vtable index " << nFunctionIndex << "/" + << pTypeDescr->nMapFunctionIndexToMemberIndex); + throw RuntimeException( + ("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName) + + " vtable index " + OUString::number(nFunctionIndex) + "/" + + OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)), + static_cast<XInterface *>(pThis)); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + assert(nMemberPos < pTypeDescr->nAllMembers); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + cpp2uno_call( + pCppI, aMemberDescr.get(), + reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>(aMemberDescr.get())->pAttributeTypeRef, + 0, nullptr, // no params + pCallStack, pReturnValue ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = + reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>(aMemberDescr.get())->pAttributeTypeRef; + aParam.bIn = true; + aParam.bOut = false; + + cpp2uno_call( + pCppI, aMemberDescr.get(), + nullptr, // indicates void return + 1, &aParam, + pCallStack, pReturnValue ); + } + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // is METHOD + switch (nFunctionIndex) + { + case 1: // acquire() + pCppI->acquireProxy(); // non virtual call! + break; + case 2: // release() + pCppI->releaseProxy(); // non virtual call! + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = nullptr; + TYPELIB_DANGER_GET( &pTD, static_cast< Type * >( pCallStack[3] )->getTypeLibType() ); + if (pTD) + { + XInterface * pInterface = nullptr; + (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)( + pCppI->getBridge()->getCppEnv(), + reinterpret_cast<void **>(&pInterface), pCppI->getOid().pData, + reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) ); + + if (pInterface) + { + ::uno_any_construct( + static_cast< uno_Any * >( pCallStack[1] ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *static_cast< void ** >(pReturnValue) = pCallStack[1]; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + [[fallthrough]]; // else perform queryInterface() + } + default: + cpp2uno_call( + pCppI, aMemberDescr.get(), + reinterpret_cast<typelib_InterfaceMethodTypeDescription *>(aMemberDescr.get())->pReturnTypeRef, + reinterpret_cast<typelib_InterfaceMethodTypeDescription *>(aMemberDescr.get())->nParams, + reinterpret_cast<typelib_InterfaceMethodTypeDescription *>(aMemberDescr.get())->pParams, + pCallStack, pReturnValue ); + } + break; + } + default: + { + throw RuntimeException( "no member description found!", static_cast<XInterface *>(pThis) ); + } + } +} + +extern "C" typedef void (*PrivateSnippetExecutor)(); + +int const codeSnippetSize = 16; + +#if defined (FREEBSD) || defined(NETBSD) || defined(OPENBSD) || defined(MACOSX) || \ + defined(DRAGONFLY) +namespace +{ + PrivateSnippetExecutor returnsInRegister(typelib_TypeDescriptionReference * pReturnTypeRef) + { + //These archs apparently are returning small structs in registers, while Linux + //doesn't + PrivateSnippetExecutor exec=NULL; + + typelib_TypeDescription * pReturnTypeDescr = 0; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + const bool bSimpleReturnStruct = x86::isSimpleReturnType(pReturnTypeDescr); + const sal_Int32 nRetSize = pReturnTypeDescr->nSize; + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + if (bSimpleReturnStruct) + { + exec = privateSnippetExecutorGeneral; // fills eax + if (nRetSize > 4) + exec = privateSnippetExecutorHyper; // fills eax/edx + } + return exec; + } +} +#endif + +unsigned char * codeSnippet( + unsigned char * code, sal_PtrDiff writetoexecdiff, sal_Int32 functionIndex, sal_Int32 vtableOffset, + typelib_TypeDescriptionReference * pReturnTypeRef) +{ + PrivateSnippetExecutor exec; + typelib_TypeClass eReturnClass = pReturnTypeRef ? pReturnTypeRef->eTypeClass : typelib_TypeClass_VOID; + switch (eReturnClass) + { + case typelib_TypeClass_VOID: + exec = privateSnippetExecutorVoid; + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + exec = privateSnippetExecutorHyper; + break; + case typelib_TypeClass_FLOAT: + exec = privateSnippetExecutorFloat; + break; + case typelib_TypeClass_DOUBLE: + exec = privateSnippetExecutorDouble; + break; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: +#if defined(FREEBSD) || defined(NETBSD) || defined(OPENBSD) || defined(MACOSX) || \ + defined(DRAGONFLY) + exec = returnsInRegister(pReturnTypeRef); + if (!exec) + { + exec = privateSnippetExecutorClass; + functionIndex |= 0x80000000; + } + break; +#endif + case typelib_TypeClass_STRING: + case typelib_TypeClass_TYPE: + case typelib_TypeClass_ANY: + case typelib_TypeClass_SEQUENCE: + case typelib_TypeClass_INTERFACE: + exec = privateSnippetExecutorClass; + functionIndex |= 0x80000000; + break; + default: + exec = privateSnippetExecutorGeneral; + break; + } + unsigned char * p = code; + assert(sizeof (sal_Int32) == 4); + // mov function_index, %eax: + *p++ = 0xB8; + *reinterpret_cast< sal_Int32 * >(p) = functionIndex; + p += sizeof (sal_Int32); + // mov vtable_offset, %edx: + *p++ = 0xBA; + *reinterpret_cast< sal_Int32 * >(p) = vtableOffset; + p += sizeof (sal_Int32); + // jmp privateSnippetExecutor: + *p++ = 0xE9; + *reinterpret_cast< sal_Int32 * >(p) + = reinterpret_cast<unsigned char *>(exec) - p - sizeof (sal_Int32) - writetoexecdiff; + p += sizeof (sal_Int32); + assert(p - code <= codeSnippetSize); + return code + codeSnippetSize; +} + +} + +struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; }; + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block) { + return static_cast< Slot * >(block) + 2; +} + +std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize( + sal_Int32 slotCount) +{ + return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize; +} + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::initializeBlock( + void * block, sal_Int32 slotCount, sal_Int32, + typelib_InterfaceTypeDescription *) +{ + Slot * slots = mapBlockToVtable(block); + slots[-2].fn = nullptr; + slots[-1].fn = nullptr; + return slots + slotCount; +} + +unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions( + Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff, + typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset, + sal_Int32 functionCount, sal_Int32 vtableOffset) +{ + (*slots) -= functionCount; + Slot * s = *slots; + for (sal_Int32 i = 0; i < type->nMembers; ++i) { + typelib_TypeDescription * member = nullptr; + TYPELIB_DANGER_GET(&member, type->ppMembers[i]); + assert(member != nullptr); + switch (member->eTypeClass) { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + // Getter: + (s++)->fn = code + writetoexecdiff; + code = codeSnippet( + code, writetoexecdiff, functionOffset++, vtableOffset, + reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( + member)->pAttributeTypeRef); + // Setter: + if (!reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->bReadOnly) + { + (s++)->fn = code + writetoexecdiff; + code = codeSnippet( + code, writetoexecdiff, functionOffset++, vtableOffset, + nullptr); + } + break; + + case typelib_TypeClass_INTERFACE_METHOD: + (s++)->fn = code + writetoexecdiff; + code = codeSnippet( + code, writetoexecdiff, functionOffset++, vtableOffset, + reinterpret_cast< typelib_InterfaceMethodTypeDescription * >( + member)->pReturnTypeRef); + break; + + default: + assert(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +void bridges::cpp_uno::shared::VtableFactory::flushCode( + unsigned char const *, unsigned char const *) +{} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/except.cxx b/bridges/source/cpp_uno/gcc3_linux_intel/except.cxx new file mode 100644 index 000000000..79a37803b --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/except.cxx @@ -0,0 +1,302 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <cstdio> +#include <cstring> +#include <dlfcn.h> + +#include <rtl/strbuf.hxx> +#include <rtl/ustrbuf.hxx> +#include <osl/mutex.hxx> +#include <sal/log.hxx> + +#include <com/sun/star/uno/genfunc.hxx> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <typelib/typedescription.hxx> +#include <unordered_map> +#include "share.hxx" + +using namespace ::std; +using namespace ::osl; +using namespace ::com::sun::star::uno; +using namespace ::__cxxabiv1; + + +namespace CPPU_CURRENT_NAMESPACE +{ + +void dummy_can_throw_anything( char const * ) +{ +} + +static OUString toUNOname( char const * p ) +{ +#if OSL_DEBUG_LEVEL > 1 + char const * start = p; +#endif + + // example: N3com3sun4star4lang24IllegalArgumentExceptionE + + OUStringBuffer buf( 64 ); + assert( 'N' == *p ); + ++p; // skip N + + while ('E' != *p) + { + // read chars count + long n = (*p++ - '0'); + while ('0' <= *p && '9' >= *p) + { + n *= 10; + n += (*p++ - '0'); + } + buf.appendAscii( p, n ); + p += n; + if ('E' != *p) + buf.append( '.' ); + } + +#if OSL_DEBUG_LEVEL > 1 + OUString ret( buf.makeStringAndClear() ); + OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) ); + fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() ); + return ret; +#else + return buf.makeStringAndClear(); +#endif +} + +class RTTI +{ + typedef std::unordered_map< OUString, type_info * > t_rtti_map; + + Mutex m_mutex; + t_rtti_map m_rttis; + t_rtti_map m_generatedRttis; + +#if !defined ANDROID + void * m_hApp; +#endif + +public: + RTTI(); + ~RTTI(); + + type_info * getRTTI( typelib_CompoundTypeDescription * ); +}; + +RTTI::RTTI() +#if !defined ANDROID + : m_hApp( dlopen(nullptr, RTLD_LAZY) ) +#endif +{ +} + +RTTI::~RTTI() +{ +#if !defined ANDROID + dlclose( m_hApp ); +#endif +} + + +type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) +{ + type_info * rtti; + + OUString const & unoName = OUString::unacquired(&pTypeDescr->aBase.pTypeName); + + MutexGuard guard( m_mutex ); + t_rtti_map::const_iterator iRttiFind( m_rttis.find( unoName ) ); + if (iRttiFind == m_rttis.end()) + { + // RTTI symbol + OStringBuffer buf( 64 ); + buf.append( "_ZTIN" ); + sal_Int32 index = 0; + do + { + OUString token( unoName.getToken( 0, '.', index ) ); + buf.append( token.getLength() ); + OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) ); + buf.append( c_token ); + } + while (index >= 0); + buf.append( 'E' ); + + OString symName( buf.makeStringAndClear() ); +#if !defined ANDROID + rtti = static_cast<type_info *>(dlsym( m_hApp, symName.getStr() )); +#else + rtti = static_cast<type_info *>(dlsym( RTLD_DEFAULT, symName.getStr() )); +#endif + + if (rtti) + { + pair< t_rtti_map::iterator, bool > insertion( + m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) ); + SAL_WARN_IF( !insertion.second, "bridges", "### inserting new rtti failed?!" ); + } + else + { + // try to lookup the symbol in the generated rtti map + t_rtti_map::const_iterator iFind( m_generatedRttis.find( unoName ) ); + if (iFind == m_generatedRttis.end()) + { + // we must generate it ! + // symbol and rtti-name is nearly identical, + // the symbol is prefixed with _ZTI + char const * rttiName = symName.getStr() +4; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr,"generated rtti for %s\n", rttiName ); +#endif + if (pTypeDescr->pBaseTypeDescription) + { + // ensure availability of base + type_info * base_rtti = getRTTI( + pTypeDescr->pBaseTypeDescription); + rtti = new __si_class_type_info( + strdup( rttiName ), static_cast<__class_type_info *>(base_rtti) ); + } + else + { + // this class has no base class + rtti = new __class_type_info( strdup( rttiName ) ); + } + + pair< t_rtti_map::iterator, bool > insertion( + m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) ); + SAL_WARN_IF( !insertion.second, "bridges", "### inserting new generated rtti failed?!" ); + } + else // taking already generated rtti + { + rtti = iFind->second; + } + } + } + else + { + rtti = iRttiFind->second; + } + + return rtti; +} + + +extern "C" { +static void _GLIBCXX_CDTOR_CALLABI deleteException( void * pExc ) +{ + __cxa_exception const * header = static_cast<__cxa_exception const *>(pExc) - 1; + typelib_TypeDescription * pTD = nullptr; + OUString unoName( toUNOname( header->exceptionType->name() ) ); + ::typelib_typedescription_getByName( &pTD, unoName.pData ); + assert(pTD && "### unknown exception type! leaving out destruction => leaking!!!"); + if (pTD) + { + ::uno_destructData( pExc, pTD, cpp_release ); + ::typelib_typedescription_release( pTD ); + } +} +} + +void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ) +{ +#if OSL_DEBUG_LEVEL > 1 + OString cstr( + OUStringToOString( + OUString::unacquired( &pUnoExc->pType->pTypeName ), + RTL_TEXTENCODING_ASCII_US ) ); + fprintf( stderr, "> uno exception occurred: %s\n", cstr.getStr() ); +#endif + void * pCppExc; + type_info * rtti; + + { + // construct cpp exception object + typelib_TypeDescription * pTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType ); + assert(pTypeDescr); + if (! pTypeDescr) + { + throw RuntimeException( + "cannot get typedescription for type " + + OUString::unacquired( &pUnoExc->pType->pTypeName ) ); + } + + pCppExc = __cxxabiv1::__cxa_allocate_exception( pTypeDescr->nSize ); + ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp ); + + // destruct uno exception + ::uno_any_destruct( pUnoExc, nullptr ); + // avoiding locked counts + static RTTI rtti_data; + rtti = rtti_data.getRTTI(reinterpret_cast<typelib_CompoundTypeDescription*>(pTypeDescr)); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + assert(rtti && "### no rtti for throwing exception!"); + if (! rtti) + { + throw RuntimeException( + "no rtti for type " + + OUString::unacquired( &pUnoExc->pType->pTypeName ) ); + } + } + + __cxxabiv1::__cxa_throw( pCppExc, rtti, deleteException ); +} + +void fillUnoException(uno_Any * pUnoExc, uno_Mapping * pCpp2Uno) +{ + __cxa_exception * header = reinterpret_cast<CPPU_CURRENT_NAMESPACE::__cxa_eh_globals*>( + __cxxabiv1::__cxa_get_globals())->caughtExceptions; + if (! header) + { + RuntimeException aRE( "no exception header!" ); + Type const & rType = cppu::UnoType<decltype(aRE)>::get(); + uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno ); + SAL_WARN("bridges", aRE.Message); + return; + } + + std::type_info *exceptionType = __cxxabiv1::__cxa_current_exception_type(); + + typelib_TypeDescription * pExcTypeDescr = nullptr; + OUString unoName( toUNOname( exceptionType->name() ) ); +#if OSL_DEBUG_LEVEL > 1 + OString cstr_unoName( OUStringToOString( unoName, RTL_TEXTENCODING_ASCII_US ) ); + fprintf( stderr, "> c++ exception occurred: %s\n", cstr_unoName.getStr() ); +#endif + typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData ); + if (nullptr == pExcTypeDescr) + { + RuntimeException aRE( "exception type not found: " + unoName ); + Type const & rType = cppu::UnoType<decltype(aRE)>::get(); + uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno ); + SAL_WARN("bridges", aRE.Message); + } + else + { + // construct uno exception any + uno_any_constructAndConvert( pUnoExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno ); + typelib_typedescription_release( pExcTypeDescr ); + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/share.hxx b/bridges/source/cpp_uno/gcc3_linux_intel/share.hxx new file mode 100644 index 000000000..39325c84e --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/share.hxx @@ -0,0 +1,156 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <typeinfo> +#include <exception> +#include <cstddef> + +#include <cxxabi.h> +#ifndef _GLIBCXX_CDTOR_CALLABI // new in GCC 4.7 cxxabi.h +#define _GLIBCXX_CDTOR_CALLABI +#endif +#include <unwind.h> + +#include <config_cxxabi.h> +#include <uno/any2.h> +#include <uno/mapping.h> + +#if !HAVE_CXXABI_H_CLASS_TYPE_INFO +// <https://mentorembedded.github.io/cxx-abi/abi.html>, +// libstdc++-v3/libsupc++/cxxabi.h: +namespace __cxxabiv1 { +class __class_type_info: public std::type_info { +public: + explicit __class_type_info(char const * n): type_info(n) {} + ~__class_type_info() override; +}; +} +#endif + +#if !HAVE_CXXABI_H_SI_CLASS_TYPE_INFO +// <https://mentorembedded.github.io/cxx-abi/abi.html>, +// libstdc++-v3/libsupc++/cxxabi.h: +namespace __cxxabiv1 { +class __si_class_type_info: public __class_type_info { +public: + __class_type_info const * __base_type; + explicit __si_class_type_info( + char const * n, __class_type_info const *base): + __class_type_info(n), __base_type(base) {} + ~__si_class_type_info() override; +}; +} +#endif + +namespace CPPU_CURRENT_NAMESPACE +{ + +void dummy_can_throw_anything( char const * ); + +// ----- following decl from libstdc++-v3/libsupc++/unwind-cxx.h + +struct __cxa_exception +{ + std::type_info *exceptionType; + void (*exceptionDestructor)(void *); + + void (*unexpectedHandler)(); // std::unexpected_handler dropped from C++17 + std::terminate_handler terminateHandler; + + __cxa_exception *nextException; + + int handlerCount; + + int handlerSwitchValue; + const unsigned char *actionRecord; + const unsigned char *languageSpecificData; + void *catchTemp; + void *adjustedPtr; + + _Unwind_Exception unwindHeader; +}; + +struct __cxa_eh_globals +{ + __cxa_exception *caughtExceptions; + unsigned int uncaughtExceptions; +}; + +} + +// __cxa_get_globals is exported from libstdc++ since GCC 3.4.0 (CXXABI_1.3), +// but it is only declared in cxxabi.h (in namespace __cxxabiv1) since +// GCC 4.7.0. It returns a pointer to a struct __cxa_eh_globals, but that +// struct is only incompletely declared even in the GCC 4.7.0 cxxabi.h. +// Therefore, provide a declaration here for old GCC (libstdc++, really) version +// that returns a void pointer, and in the code calling it always cast to the +// above fake definition of CPPU_CURRENT_NAMESPACE::__cxa_eh_globals (which +// hopefully keeps matching the real definition in libstdc++); similarly for +// __cxa_allocate_exception and __cxa_throw, though they do not have the +// additional problem of an incompletely declared return type: + +#if !HAVE_CXXABI_H_CXA_GET_GLOBALS +namespace __cxxabiv1 { extern "C" void * __cxa_get_globals() throw(); } +#endif + +#if !HAVE_CXXABI_H_CXA_CURRENT_EXCEPTION_TYPE +namespace __cxxabiv1 { +extern "C" std::type_info *__cxa_current_exception_type() throw(); +} +#endif + +#if !HAVE_CXXABI_H_CXA_ALLOCATE_EXCEPTION +namespace __cxxabiv1 { +extern "C" void * __cxa_allocate_exception(std::size_t thrown_size) throw(); +} +#endif + +#if !HAVE_CXXABI_H_CXA_THROW +namespace __cxxabiv1 { +extern "C" void __cxa_throw( + void * thrown_exception, void * tinfo, void (* dest)(void *)) + __attribute__((noreturn)); +} +#endif + +extern "C" void privateSnippetExecutorGeneral(); +extern "C" void privateSnippetExecutorVoid(); +extern "C" void privateSnippetExecutorHyper(); +extern "C" void privateSnippetExecutorFloat(); +extern "C" void privateSnippetExecutorDouble(); +extern "C" void privateSnippetExecutorClass(); + +namespace CPPU_CURRENT_NAMESPACE +{ + +void raiseException( + uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ); + +void fillUnoException(uno_Any *, uno_Mapping * pCpp2Uno); + +} + +namespace x86 +{ + bool isSimpleReturnType(typelib_TypeDescription * pTD, bool recursive = false); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx new file mode 100644 index 000000000..8d532b774 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx @@ -0,0 +1,392 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <exception> +#include <typeinfo> + +#include <sal/alloca.h> + +#include <com/sun/star/uno/genfunc.hxx> +#include <com/sun/star/uno/Exception.hpp> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <o3tl/runtimetooustring.hxx> +#include <uno/data.h> + +#include <bridge.hxx> +#include <types.hxx> +#include <unointerfaceproxy.hxx> +#include <vtables.hxx> + +#include "callvirtualmethod.hxx" +#include "share.hxx" + +using namespace ::com::sun::star::uno; + +namespace +{ + +void cpp_call( + bridges::cpp_uno::shared::UnoInterfaceProxy * pThis, + bridges::cpp_uno::shared::VtableSlot aVtableSlot, + typelib_TypeDescriptionReference * pReturnTypeRef, + sal_Int32 nParams, typelib_MethodParameter * pParams, + void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) +{ + // max space for: [complex ret ptr], values|ptr ... + char * pCppStack = + static_cast<char *>(alloca( sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) )); + char * pCppStackStart = pCppStack; + + // return + typelib_TypeDescription * pReturnTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + assert(pReturnTypeDescr); + + void * pCppReturn = nullptr; // if != 0 && != pUnoReturn, needs reconversion + bool bSimpleReturn = true; + + if (pReturnTypeDescr) + { + bSimpleReturn = x86::isSimpleReturnType(pReturnTypeDescr); + if (bSimpleReturn) + { + pCppReturn = pUnoReturn; // direct way for simple types + } + else + { + // complex return via ptr + pCppReturn = *reinterpret_cast<void **>(pCppStack) + = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pUnoReturn); // direct way + pCppStack += sizeof(void *); + } + } + // push this + void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI()) + + aVtableSlot.offset; + *reinterpret_cast<void **>(pCppStack) = pAdjustedThisPtr; + pCppStack += sizeof( void* ); + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // args + void ** pCppArgs = static_cast<void **>(alloca( 3 * sizeof(void *) * nParams )); + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = reinterpret_cast<sal_Int32 *>(pCppArgs + nParams); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<typelib_TypeDescription **>(pCppArgs + (2 * nParams)); + + sal_Int32 nTempIndices = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut + && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + { + uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppStack += sizeof(sal_Int32); // extra long + break; + default: + break; + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + if (! rParam.bIn) // is pure out + { + // cpp out is constructed mem, uno out is not! + uno_constructData( + *reinterpret_cast<void **>(pCppStack) = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pParamTypeDescr ); + pTempIndices[nTempIndices] = nPos; // default constructed for cpp call + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( + pParamTypeDescr )) + { + uno_copyAndConvertData( + *reinterpret_cast<void **>(pCppStack) = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + *reinterpret_cast<void **>(pCppStack) = pCppArgs[nPos] = pUnoArgs[nPos]; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + try + { + assert( !( (pCppStack - pCppStackStart ) & 3) && "UNALIGNED STACK !!! (Please DO panic)" ); + try { + CPPU_CURRENT_NAMESPACE::callVirtualMethod( + pAdjustedThisPtr, aVtableSlot.index, + pCppReturn, pReturnTypeDescr, bSimpleReturn, + reinterpret_cast<sal_Int32 *>(pCppStackStart), (pCppStack - pCppStackStart) / sizeof(sal_Int32) ); + } catch (css::uno::Exception &) { + throw; + } catch (std::exception & e) { + throw css::uno::RuntimeException( + "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": " + + o3tl::runtimeToOUString(e.what())); + } catch (...) { + throw css::uno::RuntimeException("C++ code threw unknown exception"); + } + // NO exception occurred... + *ppUnoExc = nullptr; + + // reconvert temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bIn) + { + if (pParams[nIndex].bOut) // inout + { + uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, nullptr ); // destroy uno value + uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + } + } + else // pure out + { + uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + } + // destroy temp cpp param => cpp: every param was constructed + uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return value + if (pCppReturn && pUnoReturn != pCppReturn) + { + uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); + } + } + catch (...) + { + // fill uno exception + CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno()); + + // temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + // destroy temp cpp param => cpp: every param was constructed + uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + // return type + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } +} + +} + +namespace x86 +{ + bool isSimpleReturnType(typelib_TypeDescription * pTD, bool recursive) + { + if (bridges::cpp_uno::shared::isSimpleType( pTD )) + return true; +#if defined(FREEBSD) || defined(NETBSD) || defined(OPENBSD) || \ + defined(MACOSX) || defined(DRAGONFLY) + // Only structs of exactly 1, 2, 4, or 8 bytes are returned through + // registers, see <http://developer.apple.com/documentation/DeveloperTools/ + // Conceptual/LowLevelABI/Articles/IA32.html>: + if (pTD->eTypeClass == typelib_TypeClass_STRUCT && + (recursive || pTD->nSize <= 2 || pTD->nSize == 4 || pTD->nSize == 8)) + { + typelib_CompoundTypeDescription *const pCompTD = + (typelib_CompoundTypeDescription *) pTD; + for ( sal_Int32 pos = pCompTD->nMembers; pos--; ) { + typelib_TypeDescription * pMemberTD = 0; + TYPELIB_DANGER_GET( &pMemberTD, pCompTD->ppTypeRefs[pos] ); + bool const b = isSimpleReturnType(pMemberTD, true); + TYPELIB_DANGER_RELEASE( pMemberTD ); + if (! b) + return false; + } + return true; + } +#else + (void)recursive; +#endif + return false; + } +} + +namespace bridges::cpp_uno::shared { + +void unoInterfaceProxyDispatch( + uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, + void * pReturn, void * pArgs[], uno_Any ** ppException ) +{ + // is my surrogate + bridges::cpp_uno::shared::UnoInterfaceProxy * pThis + = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI); + + switch (pMemberDescr->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + VtableSlot aVtableSlot( + getVtableSlot( + reinterpret_cast< + typelib_InterfaceAttributeTypeDescription const * >( + pMemberDescr))); + if (pReturn) + { + // dependent dispatch + cpp_call( + pThis, aVtableSlot, + reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(pMemberDescr)->pAttributeTypeRef, + 0, nullptr, // no params + pReturn, pArgs, ppException ); + } + else + { + // is SET + typelib_MethodParameter aParam; + aParam.pTypeRef = + reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(pMemberDescr)->pAttributeTypeRef; + aParam.bIn = true; + aParam.bOut = false; + + typelib_TypeDescriptionReference * pReturnTypeRef = nullptr; + OUString aVoidName("void"); + typelib_typedescriptionreference_new( + &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); + + // dependent dispatch + aVtableSlot.index += 1; // get, then set method + cpp_call( + pThis, aVtableSlot, + pReturnTypeRef, + 1, &aParam, + pReturn, pArgs, ppException ); + + typelib_typedescriptionreference_release( pReturnTypeRef ); + } + + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + VtableSlot aVtableSlot( + getVtableSlot( + reinterpret_cast< + typelib_InterfaceMethodTypeDescription const * >( + pMemberDescr))); + switch (aVtableSlot.index) + { + // standard calls + case 1: // acquire uno interface + (*pUnoI->acquire)( pUnoI ); + *ppException = nullptr; + break; + case 2: // release uno interface + (*pUnoI->release)( pUnoI ); + *ppException = nullptr; + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = nullptr; + TYPELIB_DANGER_GET( &pTD, static_cast< Type * >( pArgs[0] )->getTypeLibType() ); + if (pTD) + { + uno_Interface * pInterface = nullptr; + (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)( + pThis->pBridge->getUnoEnv(), + reinterpret_cast<void **>(&pInterface), pThis->oid.pData, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) ); + + if (pInterface) + { + ::uno_any_construct( + static_cast< uno_Any * >( pReturn ), + &pInterface, pTD, nullptr ); + (*pInterface->release)( pInterface ); + TYPELIB_DANGER_RELEASE( pTD ); + *ppException = nullptr; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + [[fallthrough]]; // else perform queryInterface() + } + default: + // dependent dispatch + cpp_call( + pThis, aVtableSlot, + reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->pReturnTypeRef, + reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->nParams, + reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->pParams, + pReturn, pArgs, ppException ); + } + break; + } + default: + { + ::com::sun::star::uno::RuntimeException aExc( + "illegal member type description!", + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); + + Type const & rExcType = cppu::UnoType<decltype(aExc)>::get(); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), nullptr ); + } + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |