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- Implement __CxxFrameHandler3 as a wrapper around __CxxFrameHandler that translates VC8-style function exception descriptions to VC7-style. This is necessary to make C++ exceptions work on Windows Server 2003, because msvcrt!__CxxFrameHandler does not support VC8 descriptors there.
CORE-9290 #resolve

svn path=/trunk/; revision=66503
This commit is contained in:
Thomas Faber 2015-02-28 21:03:04 +00:00
parent 38ecef1f2b
commit 5dfd2fc11e
3 changed files with 66 additions and 3 deletions
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3
reactos/lib/sdk/cpprt/CMakeLists.txt
View file

@ -1,12 +1,15 @@
set_cpp(WITH_EXCEPTIONS)
include_directories(${REACTOS_SOURCE_DIR}/lib/sdk/crt/include)
list(APPEND SOURCE
ehvec.cpp
typeinfo.cpp)
if(ARCH STREQUAL "i386")
add_asm_files(cpprt_asm i386/cpprt.s)
list(APPEND SOURCE i386/framehandler.c)
elseif(ARCH STREQUAL "amd64")
add_asm_files(cpprt_asm amd64/cpprt.s)
endif()

20
reactos/lib/sdk/cpprt/i386/cpprt.s
View file

@ -7,13 +7,27 @@ EXTERN &orig:&type
ALIAS <&alias> = <&orig>
ENDM
EXTERN _CxxHandleV8Frame@20 : PROC
PUBLIC ___CxxFrameHandler3
___CxxFrameHandler3:
push eax
push dword ptr [esp + 20]
push dword ptr [esp + 20]
push dword ptr [esp + 20]
push dword ptr [esp + 20]
call _CxxHandleV8Frame@20
ret
EXTERN ___CxxFrameHandler : PROC
PUBLIC _CallCxxFrameHandler
_CallCxxFrameHandler:
mov eax, dword ptr [esp + 20]
jmp ___CxxFrameHandler
; void __stdcall `eh vector constructor iterator'(void *,unsigned int,int,void (__thiscall*)(void *),void (__thiscall*)(void *))
DEFINE_ALIAS ??_L@YGXPAXIHP6EX0@Z1@Z, ?MSVCRTEX_eh_vector_constructor_iterator@@YGXPAXIHP6EX0@Z1@Z
; void __stdcall `eh vector destructor iterator'(void *,unsigned int,int,void (__thiscall*)(void *))
DEFINE_ALIAS ??_M@YGXPAXIHP6EX0@Z@Z, ?MSVCRTEX_eh_vector_destructor_iterator@@YGXPAXIHP6EX0@Z@Z
; These are the same
DEFINE_ALIAS ___CxxFrameHandler3, ___CxxFrameHandler
END

46
reactos/lib/sdk/cpprt/i386/framehandler.c Normal file
View file

@ -0,0 +1,46 @@
/*
* PROJECT: ReactOS C++ runtime library
* LICENSE: GPLv2+ - See COPYING in the top level directory
* PURPOSE: __CxxFrameHandler3 to __CxxFrameHandler wrapper
* PROGRAMMER: Thomas Faber (thomas.faber@reactos.org)
*/
#define WIN32_NO_STATUS
#include <windef.h>
#include <winbase.h>
#include <ndk/rtltypes.h>
#define WINE_NO_TRACE_MSGS
#include <wine/debug.h>
#include <wine/exception.h>
#include <internal/wine/msvcrt.h>
#include <internal/wine/cppexcept.h>
extern DWORD CDECL CallCxxFrameHandler(PEXCEPTION_RECORD rec, EXCEPTION_REGISTRATION_RECORD *frame,
PCONTEXT context, EXCEPTION_REGISTRATION_RECORD **dispatch,
const cxx_function_descr *descr);
DWORD
__stdcall
CxxHandleV8Frame(
_In_ PEXCEPTION_RECORD rec,
_In_ EXCEPTION_REGISTRATION_RECORD *frame,
_In_ PCONTEXT context,
_In_ EXCEPTION_REGISTRATION_RECORD **dispatch,
_In_ const cxx_function_descr *descr)
{
cxx_function_descr stub_descr;
if (descr->magic != CXX_FRAME_MAGIC_VC8)
return CallCxxFrameHandler(rec, frame, context, dispatch, descr);
if ((descr->flags & FUNC_DESCR_SYNCHRONOUS) &&
(rec->ExceptionCode != CXX_EXCEPTION))
{
return ExceptionContinueSearch; /* handle only c++ exceptions */
}
stub_descr = *descr;
stub_descr.magic = CXX_FRAME_MAGIC_VC7;
return CallCxxFrameHandler(rec, frame, context, dispatch, &stub_descr);
}