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2003-03-01 Ulrich Drepper <drepper@redhat.com> * descr.h (struct pthread): Move tid field to the front now that it is often used. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevelmutex.S (__lll_mutex_timedlock_wait): Remove. (__lll_mutex_unlock_wake): Don't save, load, and restore %esi. * sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S (__lll_mutex_unlock_wake): Don't save, load, and restore %esi. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S (lll_unlock_wake_cb): Don't save and restore %esi. (__lll_unlock_wake): Add alignment. Don't save, load, and restore %esi. (__lll_timedwait_tid): Add alignment. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S (__lll_unlock_wake): Add alignment. Don't save, load, and restore %esi. (__lll_timedwait_tid): Removed. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S (__pthread_cond_broadcast): Don't save, load, and restore %esi. * sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S (pthread_barrier_wait): Don't save, load, and restore %esi for last thread. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S (__pthread_cond_signal): Don't save, load, and restore %esi. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S (__pthread_rwlock_unlock): Don't save, load, and restore %esi. * sysdeps/unix/sysv/linux/i386/i486/sem_post.S (__new_sem_post): Don't save, load, and restore %esi.
90 lines
2.0 KiB
ArmAsm
90 lines
2.0 KiB
ArmAsm
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <tls.h>
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.text
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#define SYS_gettimeofday __NR_gettimeofday
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#define SYS_futex 240
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#define FUTEX_WAIT 0
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#define FUTEX_WAKE 1
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#define ETIMEDOUT 110
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.globl __lll_lock_wait
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.type __lll_lock_wait,@function
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.hidden __lll_lock_wait
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.align 16
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__lll_lock_wait:
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pushl %esi
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pushl %ebx
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pushl %edx
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movl %ecx, %ebx
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xorl %esi, %esi /* No timeout. */
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xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
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1:
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leal -1(%eax), %edx /* account for the preceeded xadd. */
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movl $SYS_futex, %eax
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ENTER_KERNEL
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orl $-1, %eax /* Load -1. */
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#ifndef UP
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cmpl $0, %gs:MULTIPLE_THREADS_OFFSET
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je,pt 0f
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lock
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0:
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#endif
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xaddl %eax, (%ebx)
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jne,pn 1b
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movl $-1, (%ebx)
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popl %edx
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popl %ebx
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popl %esi
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ret
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.size __lll_lock_wait,.-__lll_lock_wait
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.globl __lll_unlock_wake
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.type __lll_unlock_wake,@function
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.hidden __lll_unlock_wake
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.align 16
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__lll_unlock_wake:
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pushl %ebx
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pushl %ecx
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pushl %edx
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movl %eax, %ebx
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1: movl $FUTEX_WAKE, %ecx
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movl $1, %edx /* Wake one thread. */
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movl $SYS_futex, %eax
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movl %edx, (%ebx) /* Stores '$1'. */
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ENTER_KERNEL
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popl %edx
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popl %ecx
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popl %ebx
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ret
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.size __lll_unlock_wake,.-__lll_unlock_wake
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