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Re: [PATCH] AArch64: Don't clobber argument for tail call to __sigjmp_save in sigsetjmp
- From: Marcus Shawcroft <marcus dot shawcroft at linaro dot org>
- To: Andreas Schwab <schwab at suse dot de>
- Cc: libc-ports at sourceware dot org
- Date: Tue, 21 May 2013 09:25:29 +0100
- Subject: Re: [PATCH] AArch64: Don't clobber argument for tail call to __sigjmp_save in sigsetjmp
- References: <mvmsj1gpxlg dot fsf at hawking dot suse dot de>
On 21 May 2013 09:04, Andreas Schwab <schwab@suse.de> wrote:
> sigsetjmp needs to preserve the second argument for the tail call to
> __sigjmp_save. Also, in ld.so there is no need to call it at all.
>
> Andreas.
>
> [BZ #15493]
> * setjmp/Makefile (tests): Add tst-sigsetjmp.
> * setjmp/tst-sigsetjmp.c: New test.
>
> ChangeLog.aarch64:
> [BZ #15493]
> * sysdeps/aarch64/setjmp.S (__sigsetjmp): Don't clobber register
Looks good to me.
/Marcus