diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2005-11-24 20:36:20 +0300 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-01-09 06:50:48 +0300 |
| commit | 623703f620453c798b6fa3eb79ad8ea27bfd302a (patch) | |
| tree | e2f938f28a42458eb9b23d63721f7415d8239a37 /arch/powerpc/kernel | |
| parent | 9687c587596b54a77f08620595f5686ea35eed97 (diff) | |
| download | linux-623703f620453c798b6fa3eb79ad8ea27bfd302a.tar.xz | |
[PATCH] Fix code that saves NVGPRS in 32-bit signal frame
On Thu, 2005-11-24 at 12:51 +0000, David Woodhouse wrote:
> Somehow this one slipped through the cracks; when we ended up in
> do_signal() on a 32-bit kernel but without having the caller-saved
> registers into the regs, we didn't set the TIF_SAVE_NVGPRS flag to
> ensure they got saved later.
Oh, and if we actually set the flag, then we fairly quickly find out
that I was a bit overzealous in copying code from entry_64.S ... :)
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 8fed9538f188..036b71d2adfc 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -368,7 +368,7 @@ save_user_nvgprs_cont: b 6b save_user_nvgprs: - ld r8,TI_SIGFRAME(r12) + lwz r8,TI_SIGFRAME(r12) .macro savewords start, end 1: stw \start,4*(\start)(r8) @@ -386,11 +386,11 @@ save_user_nvgprs: save_user_nvgprs_fault: li r3,11 /* SIGSEGV */ - ld r4,TI_TASK(r12) + lwz r4,TI_TASK(r12) bl force_sigsegv rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ - ld r9,TI_FLAGS(r12) + lwz r9,TI_FLAGS(r12) b save_user_nvgprs_cont #ifdef SHOW_SYSCALLS |