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* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add
	libc_multiple_threads.
	* sysdeps/unix/sysv/linux/libc_pthread_init.c: Move definition of
	__libc_multiple_threads to...
	* sysdeps/unix/sysv/linux/libc_multiple_threads.c: ...here.  New file.

	* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Remove unnecessary
	versioning.
	* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.

	* sysdeps/unix/sysv/linux/x86_64/pthread_once.S
	(__pthread_once_internal): Define.

	* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Use shlib-compat.h
	macros instead of .symver directly.
	* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Likewise.
This commit is contained in:
Ulrich Drepper 2003-03-13 01:51:12 +00:00
parent 959c5bbfee
commit 7588880f50
8 changed files with 65 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
nptl/ChangeLog
View File

@ -1,5 +1,24 @@
2003-03-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add
libc_multiple_threads.
* sysdeps/unix/sysv/linux/libc_pthread_init.c: Move definition of
__libc_multiple_threads to...
* sysdeps/unix/sysv/linux/libc_multiple_threads.c: ...here. New file.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Remove unnecessary
versioning.
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_once.S
(__pthread_once_internal): Define.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Use shlib-compat.h
macros instead of .symver directly.
* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Likewise.
* sysdeps/x86_64/tls.h [__ASSEMBLER__]: Include tcb-offsets.h.
* sysdeps/x86_64/tcb-offsets.sym: New file.
* sysdeps/x86_64/Makefile: New file.

3
nptl/sysdeps/unix/sysv/linux/Makefile
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@ -18,7 +18,8 @@
# 02111-1307 USA. */
ifeq ($(subdir),nptl)
sysdep_routines += register-atfork unregister-atfork libc_pthread_init
sysdep_routines += register-atfork unregister-atfork libc_pthread_init \
libc_multiple_threads
libpthread-sysdep_routines += pt-fork

26
nptl/sysdeps/unix/sysv/linux/libc_multiple_threads.c Normal file
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@ -0,0 +1,26 @@
/* 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 <pthreadP.h>
#ifndef NOT_IN_libc
# ifndef TLS_MULTIPLE_THREADS_IN_TCB
int __libc_multiple_threads attribute_hidden;
# endif
#endif

2
nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c
View File

@ -33,7 +33,7 @@ struct fork_handler __pthread_child_handler attribute_hidden;
#ifdef TLS_MULTIPLE_THREADS_IN_TCB
void
#else
int __libc_multiple_threads attribute_hidden;
extern int __libc_multiple_threads attribute_hidden;
int *
#endif

4
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S
View File

@ -118,6 +118,10 @@ __pthread_once:
.size __pthread_once,.-__pthread_once
.globl __pthread_once_internal
__pthread_once_internal = __pthread_once
.globl pthread_once
pthread_once = __pthread_once

14
nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
View File

@ -33,10 +33,10 @@
.text
.globl __new_sem_post
.type __new_sem_post,@function
.globl sem_post
.type sem_post,@function
.align 16
__new_sem_post:
sem_post:
movl $1, %edx
LOCK
xaddl %edx, (%rdi)
@ -63,10 +63,4 @@ __new_sem_post:
orl $-1, %eax
retq
.size __new_sem_post,.-__new_sem_post
.symver __new_sem_post, sem_post@@GLIBC_2.1
#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
.global __old_sem_post
__old_sem_post = __new_sem_post
.symver __old_sem_post, sem_post@GLIBC_2.0
#endif
.size sem_post,.-sem_post

15
nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
View File

@ -33,10 +33,10 @@
.text
.globl __new_sem_trywait
.type __new_sem_trywait,@function
.globl sem_trywait
.type sem_trywait,@function
.align 16
__new_sem_trywait:
sem_trywait:
movl (%rdi), %eax
2: testl %eax, %eax
jz 1f
@ -59,10 +59,5 @@ __new_sem_trywait:
#endif
orl $-1, %eax
retq
.size __new_sem_trywait,.-__new_sem_trywait
.symver __new_sem_trywait, sem_trywait@@GLIBC_2.1
#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
.global __old_sem_trywait
__old_sem_trywait = __new_sem_trywait
.symver __old_sem_trywait, sem_trywait@GLIBC_2.0
#endif
.size sem_trywait,.-sem_trywait
versioned_symbol(libpthread, __new_sem_trywait, sem_trywait, GLIBC_2_1)

14
nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
View File

@ -32,10 +32,10 @@
.text
.globl __new_sem_wait
.type __new_sem_wait,@function
.globl sem_wait
.type sem_wait,@function
.align 16
__new_sem_wait:
sem_wait:
3: movl (%rdi), %eax
2: testl %eax, %eax
je 1f
@ -69,10 +69,4 @@ __new_sem_wait:
#endif
orl $-1, %eax
retq
.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
.size sem_wait,.-sem_wait