diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2006-09-05 14:49:19 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2006-09-05 14:49:19 +0000 |
| commit | cd248c3f0dff50ed7a9421fa3b152401050e6a6c (patch) | |
| tree | 469354213a9421ec6268eb4af1be3cb89eeadd99 /nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S | |
| parent | 71213dc2589554dc8f8061e9b04e80c55d098b6a (diff) | |
2006-03-04 Jakub Jelinek <jakub@redhat.com>
Roland McGrath <roland@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevellock.h
(LLL_STUB_UNWIND_INFO_START, LLL_STUB_UNWIND_INFO_END,
LLL_STUB_UNWIND_INFO_3, LLL_STUB_UNWIND_INFO_4): Define.
(lll_mutex_lock, lll_robust_mutex_lock, lll_mutex_cond_lock,
lll_robust_mutex_cond_lock, lll_mutex_timedlock,
lll_robust_mutex_timedlock, lll_mutex_unlock,
lll_robust_mutex_unlock, lll_lock, lll_unlock): Use them.
Add _L_*_ symbols around the subsection.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Add unwind info.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Likewise.
2006-03-03 Jakub Jelinek <jakub@redhat.com>
Roland McGrath <roland@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
(LLL_STUB_UNWIND_INFO_START, LLL_STUB_UNWIND_INFO_END,
LLL_STUB_UNWIND_INFO_5, LLL_STUB_UNWIND_INFO_6): Define.
(lll_mutex_lock, lll_robust_mutex_lock, lll_mutex_cond_lock,
lll_robust_mutex_cond_lock, lll_mutex_timedlock,
lll_robust_mutex_timedlock, lll_mutex_unlock,
lll_robust_mutex_unlock, lll_lock, lll_unlock): Use them.
Add _L_*_ symbols around the subsection.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Add unwind info.
* sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S: Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S index 1a088e27b1..69243950d7 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S @@ -46,8 +46,13 @@ .hidden __lll_robust_mutex_lock_wait .align 16 __lll_robust_mutex_lock_wait: + cfi_startproc pushq %r10 + cfi_adjust_cfa_offset(8) pushq %rdx + cfi_adjust_cfa_offset(8) + cfi_offset(%r10, -16) + cfi_offset(%rdx, -24) xorq %r10, %r10 /* No timeout. */ #if FUTEX_WAIT == 0 @@ -85,8 +90,13 @@ __lll_robust_mutex_lock_wait: /* NB: %rax == 0 */ 3: popq %rdx + cfi_adjust_cfa_offset(-8) + cfi_restore(%rdx) popq %r10 + cfi_adjust_cfa_offset(-8) + cfi_restore(%r10) retq + cfi_endproc .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait @@ -95,17 +105,27 @@ __lll_robust_mutex_lock_wait: .hidden __lll_robust_mutex_timedlock_wait .align 16 __lll_robust_mutex_timedlock_wait: + cfi_startproc /* Check for a valid timeout value. */ cmpq $1000000000, 8(%rdx) jae 3f pushq %r8 + cfi_adjust_cfa_offset(8) pushq %r9 + cfi_adjust_cfa_offset(8) pushq %r12 + cfi_adjust_cfa_offset(8) pushq %r13 + cfi_adjust_cfa_offset(8) + cfi_offset(%r8, -16) + cfi_offset(%r9, -24) + cfi_offset(%r12, -32) + cfi_offset(%r13, -40) /* Stack frame for the timespec and timeval structs. */ subq $24, %rsp + cfi_adjust_cfa_offset(24) movq %rdi, %r12 movq %rdx, %r13 @@ -176,19 +196,34 @@ __lll_robust_mutex_timedlock_wait: jnz 7f 6: addq $24, %rsp + cfi_adjust_cfa_offset(-24) popq %r13 + cfi_adjust_cfa_offset(-8) + cfi_restore(%r13) popq %r12 + cfi_adjust_cfa_offset(-8) + cfi_restore(%r12) popq %r9 + cfi_adjust_cfa_offset(-8) + cfi_restore(%r9) popq %r8 + cfi_adjust_cfa_offset(-8) + cfi_restore(%r8) retq +3: movl $EINVAL, %eax + retq + + cfi_adjust_cfa_offset(56) + cfi_offset(%r8, -16) + cfi_offset(%r9, -24) + cfi_offset(%r12, -32) + cfi_offset(%r13, -40) /* Check whether the time expired. */ 7: cmpq $-ETIMEDOUT, %rcx jne 1b 8: movl $ETIMEDOUT, %eax jmp 6b - -3: movl $EINVAL, %eax - retq + cfi_endproc .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait |