diff options
| author | Jan Beulich <jbeulich@novell.com> | 2006-06-26 07:57:38 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 13:48:17 -0400 |
| commit | dffead4e421e289c8434351400d24fd35723e874 (patch) | |
| tree | 8b95fac885640f1abfa4b67758b3fb6a521e061a /arch/x86_64/ia32 | |
| parent | 1de9c3f67ec6fddfb85325bab551f4094f55f410 (diff) | |
[PATCH] x86_64: reliable stack trace support (x86-64 syscall
Adjust the CFA offset for 64- and 32-bit syscall entries so that the five
slots pre-subtracted from the stack pointer do not appear to reside outside
of the current frame.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/ia32')
| -rw-r--r-- | arch/x86_64/ia32/ia32entry.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index d073ca34d4f5..222777b26142 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S | |||
| @@ -179,7 +179,7 @@ ENDPROC(ia32_sysenter_target) | |||
| 179 | */ | 179 | */ |
| 180 | ENTRY(ia32_cstar_target) | 180 | ENTRY(ia32_cstar_target) |
| 181 | CFI_STARTPROC32 simple | 181 | CFI_STARTPROC32 simple |
| 182 | CFI_DEF_CFA rsp,0 | 182 | CFI_DEF_CFA rsp,PDA_STACKOFFSET |
| 183 | CFI_REGISTER rip,rcx | 183 | CFI_REGISTER rip,rcx |
| 184 | /*CFI_REGISTER rflags,r11*/ | 184 | /*CFI_REGISTER rflags,r11*/ |
| 185 | swapgs | 185 | swapgs |