diff options
| author | Jan Beulich <JBeulich@novell.com> | 2011-02-28 15:54:40 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-28 18:06:22 +0100 |
| commit | 60cf637a13932a4750da6746efd0199e8a4c341b (patch) | |
| tree | 854edd9df2593f86b2c434d6830e6d2a26080b7b /arch/x86/ia32 | |
| parent | 39f2205e1abd1b6fffdaf45e1f1c3049a5f8999c (diff) | |
x86: Use {push,pop}_cfi in more places
Cleaning up and shortening code...
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Alexander van Heukelum <heukelum@fastmail.fm>
LKML-Reference: <4D6BD35002000078000341DA@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/ia32')
| -rw-r--r-- | arch/x86/ia32/ia32entry.S | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 518bb99c339..7c6aabd01fc 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -126,26 +126,20 @@ ENTRY(ia32_sysenter_target) */ ENABLE_INTERRUPTS(CLBR_NONE) movl %ebp,%ebp /* zero extension */ - pushq $__USER32_DS - CFI_ADJUST_CFA_OFFSET 8 + pushq_cfi $__USER32_DS /*CFI_REL_OFFSET ss,0*/ - pushq %rbp - CFI_ADJUST_CFA_OFFSET 8 + pushq_cfi %rbp CFI_REL_OFFSET rsp,0 - pushfq - CFI_ADJUST_CFA_OFFSET 8 + pushfq_cfi /*CFI_REL_OFFSET rflags,0*/ movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d CFI_REGISTER rip,r10 - pushq $__USER32_CS - CFI_ADJUST_CFA_OFFSET 8 + pushq_cfi $__USER32_CS /*CFI_REL_OFFSET cs,0*/ movl %eax, %eax - pushq %r10 - CFI_ADJUST_CFA_OFFSET 8 + pushq_cfi %r10 CFI_REL_OFFSET rip,0 - pushq %rax - CFI_ADJUST_CFA_OFFSET 8 + pushq_cfi %rax cld SAVE_ARGS 0,0,1 /* no need to do an access_ok check here because rbp has been @@ -182,11 +176,9 @@ sysexit_from_sys_call: xorq %r9,%r9 xorq %r10,%r10 xorq %r11,%r11 - popfq - CFI_ADJUST_CFA_OFFSET -8 + popfq_cfi /*CFI_RESTORE rflags*/ - popq %rcx /* User %esp */ - CFI_ADJUST_CFA_OFFSET -8 + popq_cfi %rcx /* User %esp */ CFI_REGISTER rsp,rcx TRACE_IRQS_ON ENABLE_INTERRUPTS_SYSEXIT32 @@ -421,8 +413,7 @@ ENTRY(ia32_syscall) */ ENABLE_INTERRUPTS(CLBR_NONE) movl %eax,%eax - pushq %rax - CFI_ADJUST_CFA_OFFSET 8 + pushq_cfi %rax cld /* note the registers are not zero extended to the sf. this could be a problem. */ |