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Re: Signal handling broken on alpha since glibc-2.16
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: Matt Turner <mattst88 at gmail dot com>
- Cc: Richard Henderson <rth at twiddle dot net>, libc-ports at sourceware dot org, Mike Frysinger <vapier at gentoo dot org>, Gentoo alpha AT <alpha at gentoo dot org>
- Date: Thu, 14 Nov 2013 08:27:47 +0100
- Subject: Re: Signal handling broken on alpha since glibc-2.16
- Authentication-results: sourceware.org; auth=none
- References: <CAEdQ38FPugwGndv9szKjuM82e5dBr2FKDfrq4CMoP1N_ax8Sqg at mail dot gmail dot com> <52840226 dot 4010801 at twiddle dot net> <CAEdQ38G=EEMStAX32+O+VXwNowTO8wFmFXE7ovY4bb2pCx34EA at mail dot gmail dot com>
On Thu, Nov 14, 2013 at 3:18 AM, Matt Turner <mattst88@gmail.com> wrote:
> On Wed, Nov 13, 2013 at 2:50 PM, Richard Henderson <rth@twiddle.net> wrote:
>> On 11/04/2013 11:10 AM, Matt Turner wrote:
>>> A test from the gcc test suite shows that signal handling is broken on
>>> alpha since glibc-2.16. Bisecting before the glibc-ports merge is
>>> rather hard.
>>>
>>> See: https://bugs.gentoo.org/show_bug.cgi?id=480740 (includes test case)
>>>
>>> Off hand, do any changes between 2.15 and 2.16 seem to be likely
>>> candidates to cause this bug?
>>
>> It's likely to be change 7d1feb5693be7e606104cc2b6657c746a93e5926.
>>
>> Please try this.
>
> Looks like it works here. Thanks!
>
> RA = 0x120000c44, CFA = 0x11fc9e800
> RA = 0x120000c78, CFA = 0x11fc9e810
> RA = 0x200000b49d0, CFA = 0x11fc9e820
> RA = 0x120000aac, CFA = 0x11fc9eb58
> RA = 0x120000b38, CFA = 0x11fc9eb90
> RA = 0x120000b58, CFA = 0x11fc9ec30
> RA = 0x1200008e8, CFA = 0x11fc9ec40
> RA = 0x2000009ad00, CFA = 0x11fc9ec50
> Aborted
The test should not abort. Did you compiled it with -fexceptions
-fnon-call-exceptions?
Uros.