| Message ID | CAA42iKz6bGZZQw2YzwA7eYdU545kToQgiOJ_7PRcxp-aYH1AJg@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | libgcc: Fix _Unwind_Backtrace() for SEH | expand |
> Forgot to assign to gcc_context.cfa and gcc_context.ra. Note this fix can > be backported to earlier editions of gcc as well It's already done by: 2020-11-03 Martin Storsjö <martin@martin.st> * unwind-seh.c (_Unwind_Backtrace): Set the ra and cfa pointers before calling the callback. https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553418.html
diff --git a/libgcc/unwind-seh.c b/libgcc/unwind-seh.c index 8c6aade9a3b39..d40d16702a9e1 100644 --- a/libgcc/unwind-seh.c +++ b/libgcc/unwind-seh.c @@ -466,6 +466,9 @@ _Unwind_Backtrace(_Unwind_Trace_Fn trace, &gcc_context.disp->HandlerData, &gcc_context.disp->EstablisherFrame, NULL); + gcc_context.cfa = ms_context.Rsp; + gcc_context.ra = ms_context.Rip; + /* Call trace function. */ if (trace (&gcc_context, trace_argument) != _URC_NO_REASON) return _URC_FATAL_PHASE1_ERROR;