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vcruntime140_1: Handle rethrowing from nested try blocks on x64. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2020-09-08 23:36:41 +03:00 committed by Alexandre Julliard
parent 96e5ac876f
commit c25a611d95
1 changed files with 9 additions and 1 deletions
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10
dlls/vcruntime140_1/except_x86_64.c
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@ -103,6 +103,7 @@ typedef struct
BOOL rethrow;
INT search_state;
INT unwind_state;
EXCEPTION_RECORD *prev_rec;
} cxx_catch_ctx;
typedef struct
@ -473,7 +474,7 @@ static LONG CALLBACK cxx_rethrow_filter(PEXCEPTION_POINTERS eptrs, void *c)
FlsSetValue(fls_index, (void*)(DWORD_PTR)ctx->search_state);
if (rec->ExceptionCode != CXX_EXCEPTION)
return EXCEPTION_CONTINUE_SEARCH;
if (rec->ExceptionInformation[1] == ((EXCEPTION_RECORD*)*__current_exception())->ExceptionInformation[1])
if (rec->ExceptionInformation[1] == ctx->prev_rec->ExceptionInformation[1])
ctx->rethrow = TRUE;
return EXCEPTION_CONTINUE_SEARCH;
}
@ -503,6 +504,7 @@ static void* WINAPI call_catch_block4(EXCEPTION_RECORD *rec)
__CxxRegisterExceptionObject(&ep, &ctx.frame_info);
ctx.search_state = rec->ExceptionInformation[2];
ctx.unwind_state = rec->ExceptionInformation[3];
ctx.prev_rec = prev_rec;
(*__processing_throw())--;
__TRY
{
@ -685,6 +687,12 @@ static DWORD cxx_frame_handler4(EXCEPTION_RECORD *rec, ULONG64 frame,
if (rec->ExceptionCode == CXX_EXCEPTION)
{
if (!rec->ExceptionInformation[1] && !rec->ExceptionInformation[2])
{
TRACE("rethrow detected.\n");
*rec = *(EXCEPTION_RECORD*)*__current_exception();
}
exc_type = (cxx_exception_type *)rec->ExceptionInformation[2];
if (TRACE_ON(seh))