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[Bug target/29206] [4.2/4.3 regression] gcj-dbtool segfaults
- From: "dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Nov 2006 21:09:32 -0000
- Subject: [Bug target/29206] [4.2/4.3 regression] gcj-dbtool segfaults
- References: <bug-29206-5724@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from dave at hiauly1 dot hia dot nrc dot ca 2006-11-06 21:09 -------
Subject: Re: [4.2/4.3 regression] gcj-dbtool segfaults
> Ranjit's patch to enable prologue analysis on i386 changed the behavior for
> other SJLJ targets. They used to call the no-op fallback_backtrace from
> sysdep/generic/backtrace.h; afterwards they called _Unwind_Backtrace. This
> links for SJLJ, but does not work, and when the trace function is called for
> _URC_END_OF_STACK, _Unwind_GetIP segfaults.
>From the PR, I had no idea that debian was still using the SJLJ exception
support on this target. I switched to only building and testing with DWARF2
exceptions a long time ago.
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29206