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ntdll: Subtract an offset from pc if dispatch->ControlPcIsUnwound on arm. 

This fixes unwinding from functions ending with a call to a function
that won't return. This matches what is done on the PE side in the
call to lookup_function_info.

Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjö 2021-11-15 16:02:09 +02:00 committed by Alexandre Julliard
parent d00c897749
commit 1fb4ce83f4
1 changed files with 1 additions and 1 deletions
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2
dlls/ntdll/unix/signal_arm.c
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@ -229,7 +229,7 @@ extern void raise_func_trampoline( EXCEPTION_RECORD *rec, CONTEXT *context, void
NTSTATUS CDECL unwind_builtin_dll( ULONG type, struct _DISPATCHER_CONTEXT *dispatch, CONTEXT *context )
{
#ifdef HAVE_LIBUNWIND
DWORD ip = context->Pc;
DWORD ip = context->Pc - (dispatch->ControlPcIsUnwound ? 2 : 0);
unw_context_t unw_context;
unw_cursor_t cursor;
unw_proc_info_t info;