mirror of
https://sourceware.org/git/glibc.git
synced 2025-09-01 05:02:03 +03:00
326132dbdb
* pthread-errnos.sym: New file. * Makefile (gen-as-const-headers): New variable, list that file. * sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include generated header <pthread-errnos.h> instead of defining errno values here. * sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/sh/sem_trywait.S: Likewise. * sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/sh/sem_post.S: Likewise. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise. * sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Likewise. * sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise. * sysdeps/i386/i486/pthread_spin_trylock.S: Likewise. * sysdeps/x86_64/pthread_spin_trylock.S: Likewise. * sysdeps/sh/pthread_spin_trylock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
97 lines
2.1 KiB
ArmAsm
97 lines
2.1 KiB
ArmAsm
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
#include <shlib-compat.h>
|
|
#include <pthread-errnos.h>
|
|
|
|
#ifndef UP
|
|
# define LOCK lock
|
|
#else
|
|
# define
|
|
#endif
|
|
|
|
#define SYS_futex 240
|
|
#define FUTEX_WAKE 1
|
|
|
|
|
|
.text
|
|
|
|
.globl __new_sem_wait
|
|
.type __new_sem_wait,@function
|
|
.align 16
|
|
__new_sem_wait:
|
|
pushl %ebx
|
|
pushl %esi
|
|
|
|
movl 12(%esp), %ebx
|
|
|
|
3: movl (%ebx), %eax
|
|
2: testl %eax, %eax
|
|
je,pn 1f
|
|
|
|
leal -1(%eax), %edx
|
|
LOCK
|
|
cmpxchgl %edx, (%ebx)
|
|
jne,pn 2b
|
|
xorl %eax, %eax
|
|
|
|
popl %esi
|
|
popl %ebx
|
|
ret
|
|
|
|
1: xorl %esi, %esi
|
|
movl $SYS_futex, %eax
|
|
movl %esi, %ecx
|
|
movl %esi, %edx
|
|
ENTER_KERNEL
|
|
|
|
testl %eax, %eax
|
|
je 3b
|
|
cmpl $-EWOULDBLOCK, %eax
|
|
je 3b
|
|
negl %eax
|
|
#ifdef PIC
|
|
call __i686.get_pc_thunk.bx
|
|
#else
|
|
movl $4f, %ebx
|
|
4:
|
|
#endif
|
|
addl $_GLOBAL_OFFSET_TABLE_, %ebx
|
|
#if USE___THREAD
|
|
movl %gs:0, %edx
|
|
subl errno@gottpoff(%ebx), %edx
|
|
movl %eax, (%edx)
|
|
#else
|
|
movl %eax, %edx
|
|
call __errno_location@plt
|
|
movl %edx, (%eax)
|
|
#endif
|
|
orl $-1, %eax
|
|
popl %esi
|
|
popl %ebx
|
|
ret
|
|
.size __new_sem_wait,.-__new_sem_wait
|
|
.symver __new_sem_wait, sem_wait@@GLIBC_2.1
|
|
#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
|
|
.global __old_sem_wait
|
|
__old_sem_wait = __new_sem_wait
|
|
.symver __old_sem_wait, sem_wait@GLIBC_2.0
|
|
#endif
|