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Re: [PATCH] PowerPC: use libgcc _Unwind functions to get backtrace
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- Cc: <libc-alpha at sourceware dot org>
- Date: Wed, 24 Jul 2013 15:25:13 +0000
- Subject: Re: [PATCH] PowerPC: use libgcc _Unwind functions to get backtrace
- References: <51EB297C dot 30104 at linux dot vnet dot ibm dot com> <1374499285 dot 4775 dot 118 dot camel at spokane1 dot rchland dot ibm dot com> <51ED9905 dot 5030808 at linux dot vnet dot ibm dot com> <8761w2tg6f dot fsf at igel dot home> <51EE89D5 dot 5050506 at linux dot vnet dot ibm dot com> <CAAKybw-R43rdifqPa3H+7q7XB47K77ES_hm5bpmY5=5NCa7Kyg at mail dot gmail dot com> <51EF30F4 dot 5080303 at linux dot vnet dot ibm dot com>
On Tue, 23 Jul 2013, Adhemerval Zanella wrote:
> Main difference about this patch from previous is I have fixed the
> __vdso_sigtramp_rt32 handling for PPC32 and also change the backtrace5
> testcase to actually test it.
In general, I think changing what an existing test tests like that is a
bad idea - it's better to add a new test (which could #include the
previous one with a suitable #define) instead. But in any case, adding
new tests or changing existing tests with a risk of introducing
architecture-specific failures will need to wait until after 2.18
branches.
--
Joseph S. Myers
joseph@codesourcery.com