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Re: Fix ____longjmp_chk for ppc(64)
- From: Steve Munroe <sjmunroe at us dot ibm dot com>
- To: Andreas Schwab <schwab at linux-m68k dot org>
- Cc: libc-alpha at sourceware dot org
- Date: Wed, 24 Jun 2009 17:23:17 -0500
- Subject: Re: Fix ____longjmp_chk for ppc(64)
Andreas Schwab <schwab@linux-m68k.org> wrote on 06/24/2009 04:23:31 PM:
> Steve Munroe <sjmunroe@us.ibm.com> writes:
>
> > not sure where sysdeps/powerpc/powerpc32/____longjmp_chk.S can from or
what
> > you did build it versus sysdeps/powerpc/powerpc32/fpu/____longjmp_chk.S
Of
> > is that missing?
>
> There is no need for a separate file for fpu since they would be
> identical.
>
Only if it is including powerpc32/fpu/__longjmp-common.S
The generated binary will not be identical (includes non-volatile FPRs and
VRs in the jumpbuf) There is a reason for this separation including the
versioning of the interface for the VMX add.
Steven J. Munroe
Linux on Power Toolchain Architect
IBM Corporation, Linux Technology Center