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* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise.

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* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
	Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
	Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
This commit is contained in:
Ulrich Drepper 2007-05-27 18:56:02 +00:00
parent e59660bc25
commit 50f1dec5d3
11 changed files with 124 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
nptl/ChangeLog
View File

@ -25,6 +25,13 @@
Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
2007-05-26 Ulrich Drepper <drepper@redhat.com>

18
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -77,8 +77,20 @@ __pthread_rwlock_rdlock:
#endif
jne 10f
11: addl $READERS_WAKEUP, %ebx
movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */
11:
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
xorl PSHARED(%ebx), %ecx
#else
# if FUTEX_WAIT == 0
movl PSHARED(%ebx), %ecx
# else
movl $FUTEX_WAIT, %ecx
orl PSHARED(%ebx), %ecx
# endif
xorl %gs:PRIVATE_FUTEX, %ecx
#endif
addl $READERS_WAKEUP, %ebx
movl $SYS_futex, %eax
ENTER_KERNEL

16
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -108,8 +108,20 @@ pthread_rwlock_timedrdlock:
/* Futex call. */
movl %ecx, (%esp) /* Store relative timeout. */
movl %edx, 4(%esp)
movl %esi, %edx
xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
xorl PSHARED(%ebp), %ecx
#else
# if FUTEX_WAIT == 0
movl PSHARED(%ebp), %ecx
# else
movl $FUTEX_WAIT, %ecx
orl PSHARED(%ebp), %ecx
# endif
xorl %gs:PRIVATE_FUTEX, %ecx
#endif
movl %esp, %esi
leal READERS_WAKEUP(%ebp), %ebx
movl $SYS_futex, %eax

16
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -106,8 +106,20 @@ pthread_rwlock_timedwrlock:
/* Futex call. */
movl %ecx, (%esp) /* Store relative timeout. */
movl %edx, 4(%esp)
movl %esi, %edx
xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
xorl PSHARED(%ebp), %ecx
#else
# if FUTEX_WAIT == 0
movl PSHARED(%ebp), %ecx
# else
movl $FUTEX_WAIT, %ecx
orl PSHARED(%ebp), %ecx
# endif
xorl %gs:PRIVATE_FUTEX, %ecx
#endif
movl %esp, %esi
leal WRITERS_WAKEUP(%ebp), %ebx
movl $SYS_futex, %eax

16
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -61,9 +61,8 @@ __pthread_rwlock_unlock:
5: movl $0, WRITER(%edi)
movl $1, %ecx
movl $1, %edx
leal WRITERS_WAKEUP(%edi), %ebx
movl %ecx, %edx
cmpl $0, WRITERS_QUEUED(%edi)
jne 0f
@ -83,7 +82,16 @@ __pthread_rwlock_unlock:
#endif
jne 7f
8: movl $SYS_futex, %eax
8:
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAKE, %ecx
xorl PSHARED(%edi), %ecx
#else
movl $FUTEX_WAKE, %ecx
orl PSHARED(%edi), %ecx
xorl %gs:PRIVATE_FUTEX, %ecx
#endif
movl $SYS_futex, %eax
ENTER_KERNEL
xorl %eax, %eax

18
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -75,8 +75,20 @@ __pthread_rwlock_wrlock:
#endif
jne 10f
11: addl $WRITERS_WAKEUP, %ebx
movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */
11:
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
xorl PSHARED(%ebx), %ecx
#else
# if FUTEX_WAIT == 0
movl PSHARED(%ebx), %ecx
# else
movl $FUTEX_WAIT, %ecx
orl PSHARED(%ebx), %ecx
# endif
xorl %gs:PRIVATE_FUTEX, %ecx
#endif
addl $WRITERS_WAKEUP, %ebx
movl $SYS_futex, %eax
ENTER_KERNEL

18
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -20,11 +20,13 @@
#include <sysdep.h>
#include <lowlevelrwlock.h>
#include <pthread-errnos.h>
#include <kernel-features.h>
#define SYS_futex 202
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
#define FUTEX_PRIVATE_FLAG 128
#ifndef UP
# define LOCK lock
@ -73,12 +75,20 @@ __pthread_rwlock_rdlock:
#endif
jne 10f
11: addq $READERS_WAKEUP, %rdi
#if FUTEX_WAIT == 0
xorl %esi, %esi
11:
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
xorl PSHARED(%rdi), %esi
#else
# if FUTEX_WAIT == 0
movl PSHARED(%rdi), %esi
# else
movl $FUTEX_WAIT, %esi
orl PSHARED(%rdi), %esi
# endif
xorl %fs:PRIVATE_FUTEX, %esi
#endif
addq $READERS_WAKEUP, %rdi
movl $SYS_futex, %eax
syscall

13
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -112,10 +112,17 @@ pthread_rwlock_timedrdlock:
movq %rcx, (%rsp) /* Store relative timeout. */
movq %rdi, 8(%rsp)
#if FUTEX_WAIT == 0
xorl %esi, %esi
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
xorl PSHARED(%rdi), %esi
#else
# if FUTEX_WAIT == 0
movl PSHARED(%r12), %esi
# else
movl $FUTEX_WAIT, %esi
orl PSHARED(%r12), %esi
# endif
xorl %fs:PRIVATE_FUTEX, %esi
#endif
movq %rsp, %r10
movl %r14d, %edx

13
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -108,10 +108,17 @@ pthread_rwlock_timedwrlock:
movq %rcx, (%rsp) /* Store relative timeout. */
movq %rdi, 8(%rsp)
#if FUTEX_WAIT == 0
xorl %esi, %esi
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
xorl PSHARED(%rdi), %esi
#else
# if FUTEX_WAIT == 0
movl PSHARED(%r12), %esi
# else
movl $FUTEX_WAIT, %esi
orl PSHARED(%r12), %esi
# endif
xorl %fs:PRIVATE_FUTEX, %esi
#endif
movq %rsp, %r10
movl %r14d, %edx

2
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
View File

@ -56,8 +56,8 @@ __pthread_rwlock_unlock:
5: movl $0, WRITER(%rdi)
movl $1, %edx
leaq WRITERS_WAKEUP(%rdi), %r10
movq %rsi, %rdx
cmpl $0, WRITERS_QUEUED(%rdi)
jne 0f

16
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -71,12 +71,20 @@ __pthread_rwlock_wrlock:
#endif
jne 10f
11: addq $WRITERS_WAKEUP, %rdi
#if FUTEX_WAIT == 0
xorl %esi, %esi
11:
#if __ASSUME_PRIVATE_FUTEX
movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
xorl PSHARED(%rdi), %esi
#else
# if FUTEX_WAIT == 0
movl PSHARED(%rdi), %esi
# else
movl $FUTEX_WAIT, %esi
orl PSHARED(%rdi), %esi
# endif
xorl %fs:PRIVATE_FUTEX, %esi
#endif
addq $WRITERS_WAKEUP, %rdi
movl $SYS_futex, %eax
syscall