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msvcrt: Call unwind handlers on intermediate frames during virtual unwind. 

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 2016-08-02 17:16:52 -07:00 committed by Alexandre Julliard
parent 3136beda26
commit 5a10705f0c
1 changed files with 10 additions and 4 deletions
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14
dlls/msvcrt/except_x86_64.c
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@ -470,14 +470,20 @@ static DWORD cxx_frame_handler(EXCEPTION_RECORD *rec, ULONG64 frame,
if (rec->ExceptionCode==STATUS_UNWIND_CONSOLIDATE && rec->NumberParameters==6 &&
rec->ExceptionInformation[0]==(ULONG_PTR)call_catch_block)
{
ULONG64 orig_frame = rec->ExceptionInformation[1];
const cxx_function_descr *descr = (void*)rec->ExceptionInformation[2];
int end_level = rec->ExceptionInformation[3];
EXCEPTION_RECORD *new_rec = (void*)rec->ExceptionInformation[4];
thread_data_t *data = msvcrt_get_thread_data();
frame_info *cur;
cxx_local_unwind(orig_frame, dispatch, descr, end_level);
if (rec->ExceptionFlags & EH_TARGET_UNWIND)
{
ULONG64 orig_frame = rec->ExceptionInformation[1];
const cxx_function_descr *orig_descr = (void*)rec->ExceptionInformation[2];
int end_level = rec->ExceptionInformation[3];
cxx_local_unwind(orig_frame, dispatch, orig_descr, end_level);
}
else
cxx_local_unwind(frame, dispatch, descr, -1);
/* FIXME: we should only unregister frames registered by call_catch_block here */
for (cur = data->frame_info_head; cur; cur = cur->next)