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/kernel/entry.S | |
| 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/kernel/entry.S')
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 4f407ef6b865..7290e72b9a34 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S | |||
| @@ -189,7 +189,7 @@ END(ret_from_fork) | |||
| 189 | 189 | ||
| 190 | ENTRY(system_call) | 190 | ENTRY(system_call) |
| 191 | CFI_STARTPROC simple | 191 | CFI_STARTPROC simple |
| 192 | CFI_DEF_CFA rsp,0 | 192 | CFI_DEF_CFA rsp,PDA_STACKOFFSET |
| 193 | CFI_REGISTER rip,rcx | 193 | CFI_REGISTER rip,rcx |
| 194 | /*CFI_REGISTER rflags,r11*/ | 194 | /*CFI_REGISTER rflags,r11*/ |
| 195 | swapgs | 195 | swapgs |