mirror of
git://sourceware.org/git/glibc.git
synced 2025-02-05 12:40:55 +08:00
Update.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: New file. * sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: New file. * sysdeps/unix/sysv/linux/x86_64/sem_wait.S: New file. * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: New file. * sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Fix error value in unused code.
This commit is contained in:
Ulrich Drepper
parent
6a4263e3d5
commit
db5f2fc93d
@ -1,5 +1,13 @@
|
||||
2003-03-10 Ulrich Drepper <drepper@redhat.com>
|
||||
|
||||
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: New file.
|
||||
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: New file.
|
||||
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: New file.
|
||||
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: New file.
|
||||
|
||||
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Fix error value in
|
||||
unused code.
|
||||
|
||||
* sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S: New file
|
||||
|
||||
* sysdeps/unix/sysv/linux/Makefile (gen-as-const-headers): Add
|
||||
|
||||
@ -29,7 +29,6 @@
|
||||
#define SYS_futex 240
|
||||
#define FUTEX_WAKE 1
|
||||
|
||||
#define EAGAIN 11
|
||||
#define EINVAL 22
|
||||
|
||||
|
||||
@ -72,7 +71,7 @@ __new_sem_post:
|
||||
movl $EINVAL, (%edx)
|
||||
#else
|
||||
call __errno_location@plt
|
||||
movl $EAGAIN, (%eax)
|
||||
movl $EINVAL, (%eax)
|
||||
#endif
|
||||
|
||||
orl $-1, %eax
|
||||
|
||||
73
nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
Normal file
73
nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
Normal file
@ -0,0 +1,73 @@
|
||||
/* 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>
|
||||
|
||||
#ifndef UP
|
||||
# define LOCK lock
|
||||
#else
|
||||
# define
|
||||
#endif
|
||||
|
||||
#define SYS_futex 202
|
||||
#define FUTEX_WAKE 1
|
||||
|
||||
#define EINVAL 22
|
||||
|
||||
|
||||
.text
|
||||
|
||||
.globl __new_sem_post
|
||||
.type __new_sem_post,@function
|
||||
.align 16
|
||||
__new_sem_post:
|
||||
movl $1, %edx
|
||||
LOCK
|
||||
xaddl %edx, (%ebx)
|
||||
|
||||
movq $SYS_futex, %rax
|
||||
movq $FUTEX_WAKE, %rsi
|
||||
incl %edx
|
||||
syscall
|
||||
|
||||
testq %rax, %rax
|
||||
js 1f
|
||||
|
||||
xorl %eax, %eax
|
||||
retq
|
||||
|
||||
1:
|
||||
#if USE___THREAD
|
||||
movq errno@gottpoff(%rip), %rdx
|
||||
movl $EINVAL, %fs:(%rdx)
|
||||
#else
|
||||
call __errno_location@plt
|
||||
movl $EINVAL, (%rax)
|
||||
#endif
|
||||
|
||||
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
|
||||
128
nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
Normal file
128
nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
Normal file
@ -0,0 +1,128 @@
|
||||
/* 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>
|
||||
|
||||
#ifndef UP
|
||||
# define LOCK lock
|
||||
#else
|
||||
# define
|
||||
#endif
|
||||
|
||||
#define SYS_gettimeofday __NR_gettimeofday
|
||||
#define SYS_futex 202
|
||||
|
||||
#define EWOULDBLOCK 11
|
||||
#define EINVAL 22
|
||||
#define ETIMEDOUT 110
|
||||
|
||||
|
||||
.text
|
||||
|
||||
.globl sem_timedwait
|
||||
.type sem_timedwait,@function
|
||||
.align 16
|
||||
sem_timedwait:
|
||||
movl (%rdi), %eax
|
||||
2: testl %eax, %eax
|
||||
je 1f
|
||||
|
||||
leal -1(%eax), %edx
|
||||
LOCK
|
||||
cmpxchgl %edx, (%rdi)
|
||||
jne 2b
|
||||
|
||||
xorl %eax, %eax
|
||||
ret
|
||||
|
||||
/* Check whether the timeout value is valid. */
|
||||
1: subq $16, %rsp
|
||||
|
||||
movq %rsp, %r10
|
||||
movq %rdi, %r8
|
||||
movq %rsi, %r9
|
||||
|
||||
/* Check for invalid nanosecond field. */
|
||||
cmpq $1000000000, 4(%r9)
|
||||
movl $EINVAL, %eax
|
||||
jae 6f
|
||||
|
||||
7: xorl %rsi, %rsi
|
||||
movq %rsp, %rdi
|
||||
movq $SYS_gettimeofday, %rax
|
||||
syscall
|
||||
|
||||
/* Compute relative timeout. */
|
||||
movq 8(%rsp), %eax
|
||||
movq $1000, %rdi
|
||||
mul %rdi /* Milli seconds to nano seconds. */
|
||||
movq (%r9), %rdi
|
||||
movq 8(%r9), %rdi
|
||||
subq (%rsp), %rdi
|
||||
subq %rax, %rdi
|
||||
jns 5f
|
||||
addq $1000000000, %rsi
|
||||
decq %rdi
|
||||
5: testq %rdi, %rdi
|
||||
movl $ETIMEDOUT, %eax
|
||||
js 6f /* Time is already up. */
|
||||
|
||||
movl %rdi, (%rsp) /* Store relative timeout. */
|
||||
movl %rsi, 8(%rsp)
|
||||
|
||||
movq %r8, %rdi
|
||||
xorq %rsi, %rsi
|
||||
movq $SYS_futex, %rax
|
||||
xorl %edx, %edx
|
||||
syscall
|
||||
|
||||
testq %rax, %rax
|
||||
je 9f
|
||||
cmpq $-EWOULDBLOCK, %rax
|
||||
jne 3f
|
||||
|
||||
9: movl (%rdi), %eax
|
||||
8: testl %eax, %eax
|
||||
je 7b
|
||||
|
||||
leal -1(%eax), %ecx
|
||||
LOCK
|
||||
cmpxchgl %ecx, (%rdi)
|
||||
jne 8b
|
||||
|
||||
addq $16, %rsp
|
||||
xorl %eax, %eax
|
||||
retq
|
||||
|
||||
3: negq %eax
|
||||
6:
|
||||
#if USE___THREAD
|
||||
movq errno@gottpoff(%rip), %rdx
|
||||
movl %eax, %fs:(%rdx)
|
||||
#else
|
||||
movl %eax, %edx
|
||||
call __errno_location@plt
|
||||
movl %edx, (%rax)
|
||||
#endif
|
||||
|
||||
addq $16, %rsp
|
||||
orl $-1, %eax
|
||||
retq
|
||||
.size sem_timedwait,.-sem_timedwait
|
||||
69
nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
Normal file
69
nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
Normal file
@ -0,0 +1,69 @@
|
||||
/* 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>
|
||||
|
||||
#ifndef UP
|
||||
# define LOCK lock
|
||||
#else
|
||||
# define
|
||||
#endif
|
||||
|
||||
#define SYS_futex 202
|
||||
#define FUTEX_WAKE 1
|
||||
|
||||
#define EAGAIN 11
|
||||
|
||||
|
||||
.text
|
||||
|
||||
.globl __new_sem_trywait
|
||||
.type __new_sem_trywait,@function
|
||||
.align 16
|
||||
__new_sem_trywait:
|
||||
movl (%rdi), %eax
|
||||
2: testl %eax, %eax
|
||||
jz 1f
|
||||
|
||||
leal -1(%eax), %edx
|
||||
LOCK
|
||||
cmpxchgl %edx, (%rdi)
|
||||
jne 2b
|
||||
|
||||
xorl %eax, %eax
|
||||
retq
|
||||
|
||||
1:
|
||||
#if USE___THREAD
|
||||
movq errno@gottpoff(%rip), %rdx
|
||||
movl $EAGAIN, %fs:(%rdx)
|
||||
#else
|
||||
call __errno_location@plt
|
||||
movl $EAGAIN, (%rax)
|
||||
#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
|
||||
79
nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
Normal file
79
nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
Normal file
@ -0,0 +1,79 @@
|
||||
/* 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>
|
||||
|
||||
#ifndef UP
|
||||
# define LOCK lock
|
||||
#else
|
||||
# define
|
||||
#endif
|
||||
|
||||
#define SYS_futex 202
|
||||
|
||||
#define EWOULDBLOCK 11
|
||||
|
||||
|
||||
.text
|
||||
|
||||
.globl __new_sem_wait
|
||||
.type __new_sem_wait,@function
|
||||
.align 16
|
||||
__new_sem_wait:
|
||||
3: movl (%rdi), %eax
|
||||
2: testl %eax, %eax
|
||||
je 1f
|
||||
|
||||
leal -1(%eax), %edx
|
||||
LOCK
|
||||
cmpxchgl %edx, (%rdi)
|
||||
jne 2b
|
||||
xorl %eax, %eax
|
||||
|
||||
retq
|
||||
|
||||
1: xorq %r10, %r10
|
||||
movq $SYS_futex, %rax
|
||||
movq %r10, %rsi
|
||||
movq %r10, %rdx
|
||||
syscall
|
||||
|
||||
testq %rax, %rax
|
||||
je 3b
|
||||
cmpq $-EWOULDBLOCK, %rax
|
||||
je 3b
|
||||
negq %rax
|
||||
#if USE___THREAD
|
||||
movq errno@gottpoff(%rip), %rdx
|
||||
movl %eax, %fs:(%rdx)
|
||||
#else
|
||||
movl %eax, %edx
|
||||
call __errno_location@plt
|
||||
movl %edx, (%rax)
|
||||
#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
|
||||
Loading…
Reference in New Issue
Block a user