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msvcrt: Translate SEH exception on each call to __CxxFrameHandler (i386). 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2017-06-06 12:10:41 +02:00 committed by Alexandre Julliard
parent 5c8c4d92f6
commit c7a51dfdcb
1 changed files with 41 additions and 3 deletions
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44
dlls/msvcrt/except_i386.c
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@ -96,6 +96,13 @@ typedef struct __cxx_function_descr
UINT flags; /* flags when magic >= VC8 */
} cxx_function_descr;
typedef struct
{
cxx_exception_frame *frame;
const cxx_function_descr *descr;
EXCEPTION_REGISTRATION_RECORD *nested_frame;
} se_translator_ctx;
typedef struct _SCOPETABLE
{
int previousTryLevel;
@ -532,6 +539,26 @@ int CDECL __CxxExceptionFilter( PEXCEPTION_POINTERS ptrs,
return EXCEPTION_EXECUTE_HANDLER;
}
static LONG CALLBACK se_translation_filter( EXCEPTION_POINTERS *ep, void *c )
{
se_translator_ctx *ctx = (se_translator_ctx *)c;
EXCEPTION_RECORD *rec = ep->ExceptionRecord;
cxx_exception_type *exc_type;
if (rec->ExceptionCode != CXX_EXCEPTION)
{
TRACE( "non-c++ exception thrown in SEH handler: %x\n", rec->ExceptionCode );
MSVCRT_terminate();
}
exc_type = (cxx_exception_type *)rec->ExceptionInformation[2];
call_catch_block( rec, ctx->frame, ctx->descr,
ctx->frame->trylevel, ctx->nested_frame, exc_type );
__DestructExceptionObject( rec );
return ExceptionContinueSearch;
}
/*********************************************************************
* cxx_frame_handler
*
@ -604,10 +631,21 @@ DWORD CDECL cxx_frame_handler( PEXCEPTION_RECORD rec, cxx_exception_frame* frame
if (data->se_translator) {
EXCEPTION_POINTERS except_ptrs;
se_translator_ctx ctx;
except_ptrs.ExceptionRecord = rec;
except_ptrs.ContextRecord = context;
data->se_translator(rec->ExceptionCode, &except_ptrs);
ctx.frame = frame;
ctx.descr = descr;
ctx.nested_frame = nested_frame;
__TRY
{
except_ptrs.ExceptionRecord = rec;
except_ptrs.ContextRecord = context;
data->se_translator( rec->ExceptionCode, &except_ptrs );
}
__EXCEPT_CTX(se_translation_filter, &ctx)
{
}
__ENDTRY
}
}