ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

msvcrt: Translate SEH exception on each call to __CxxFrameHandler. 

Signed-off-by: Daniel Lehman <dlehman@esri.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Daniel Lehman 2017-05-19 10:16:07 -07:00 committed by Alexandre Julliard
parent 3eae4807dc
commit 4aa813867c
1 changed files with 43 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
dlls/msvcrt/except_x86_64.c
View File

@ -108,6 +108,14 @@ typedef struct __cxx_function_descr
UINT flags;
} cxx_function_descr;
typedef struct
{
ULONG64 dest_frame;
ULONG64 orig_frame;
DISPATCHER_CONTEXT *dispatch;
const cxx_function_descr *descr;
} se_translator_ctx;
static inline void* rva_to_ptr(UINT rva, ULONG64 base)
{
return rva ? (void*)(base+rva) : NULL;
@ -429,6 +437,26 @@ static inline void find_catch_block(EXCEPTION_RECORD *rec, ULONG64 frame,
TRACE("no matching catch block found\n");
}
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];
find_catch_block(rec, ctx->dest_frame, ctx->dispatch,
ctx->descr, exc_type, ctx->orig_frame);
__DestructExceptionObject(rec);
return ExceptionContinueSearch;
}
static DWORD cxx_frame_handler(EXCEPTION_RECORD *rec, ULONG64 frame,
CONTEXT *context, DISPATCHER_CONTEXT *dispatch,
const cxx_function_descr *descr)
@ -554,10 +582,22 @@ static DWORD cxx_frame_handler(EXCEPTION_RECORD *rec, ULONG64 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.dest_frame = frame;
ctx.orig_frame = orig_frame;
ctx.dispatch = dispatch;
ctx.descr = descr;
__TRY
{
except_ptrs.ExceptionRecord = rec;
except_ptrs.ContextRecord = context;
data->se_translator(rec->ExceptionCode, &except_ptrs);
}
__EXCEPT_CTX(se_translation_filter, &ctx)
{
}
__ENDTRY
}
}