diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S | 63 |
1 files changed, 5 insertions, 58 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S index e2da5b04cf..dc65b709a1 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -41,16 +41,9 @@ .hidden __lll_mutex_lock_wait .align 16 __lll_mutex_lock_wait: - cfi_startproc pushl %edx - cfi_adjust_cfa_offset(4) pushl %ebx - cfi_adjust_cfa_offset(4) pushl %esi - cfi_adjust_cfa_offset(4) - cfi_offset(%edx, -8) - cfi_offset(%ebx, -12) - cfi_offset(%esi, -16) movl $2, %edx movl %ecx, %ebx @@ -67,19 +60,12 @@ __lll_mutex_lock_wait: xchgl %eax, (%ebx) /* NB: lock is implied */ testl %eax, %eax - jnz 1b + jnz,pn 1b popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) ret - cfi_endproc .size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait @@ -89,27 +75,17 @@ __lll_mutex_lock_wait: .hidden __lll_mutex_timedlock_wait .align 16 __lll_mutex_timedlock_wait: - cfi_startproc /* Check for a valid timeout value. */ cmpl $1000000000, 4(%edx) jae 3f pushl %edi - cfi_adjust_cfa_offset(4) pushl %esi - cfi_adjust_cfa_offset(4) pushl %ebx - cfi_adjust_cfa_offset(4) pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_offset(%edi, -8) - cfi_offset(%esi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) /* Stack frame for the timespec and timeval structs. */ subl $8, %esp - cfi_adjust_cfa_offset(8) movl %ecx, %ebp movl %edx, %edi @@ -164,29 +140,12 @@ __lll_mutex_timedlock_wait: jnz 7f 6: addl $8, %esp - cfi_adjust_cfa_offset(-8) popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) ret -3: movl $EINVAL, %eax - ret - - cfi_adjust_cfa_offset(24) - cfi_offset(%edi, -8) - cfi_offset(%esi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) /* Check whether the time expired. */ 7: cmpl $-ETIMEDOUT, %ecx je 5f @@ -198,9 +157,11 @@ __lll_mutex_timedlock_wait: jz 6b jmp 1b +3: movl $EINVAL, %eax + ret + 5: movl $ETIMEDOUT, %eax jmp 6b - cfi_endproc .size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait #endif @@ -239,16 +200,9 @@ lll_unlock_wake_cb: .hidden __lll_mutex_unlock_wake .align 16 __lll_mutex_unlock_wake: - cfi_startproc pushl %ebx - cfi_adjust_cfa_offset(4) pushl %ecx - cfi_adjust_cfa_offset(4) pushl %edx - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - cfi_offset(%ecx, -12) - cfi_offset(%edx, -16) movl %eax, %ebx movl $0, (%eax) @@ -258,16 +212,9 @@ __lll_mutex_unlock_wake: ENTER_KERNEL popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) popl %ecx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ecx) popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) ret - cfi_endproc .size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake |