This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: Fix sparc64 bits/setjmp.h namespace (bug 21261)
On Fri, 17 Mar 2017, David Miller wrote:
> From: Joseph Myers <joseph@codesourcery.com>
> Date: Fri, 17 Mar 2017 03:08:58 +0000
>
> > sysdeps/unix/sysv/linux/sparc/bits/setjmp.h defines 64-bit __jmp_buf
> > with a load of identifiers that are not part of any standard
> > namespace, resulting in conform/ tests failing. This patch fixes this
> > by moving those identifiers to the implementation namespace, so
> > enabling the conform/ tests to pass for sparc64.
>
> This is going to break the build of the address sanitizer on sparc64.
>
> It will also probably break lots of other programs too that grovel
> through the mcontext register bits for unwinding and state inspection.
Are those things really looking at jmp_buf, rather than ucontext /
mcontext from sys/ucontext.h (which are unchanged by the patch)?
--
Joseph S. Myers
joseph@codesourcery.com