From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- .../unix/sysv/linux/i386/i486/libc-lowlevellock.S | 2 +- .../unix/sysv/linux/i386/i486/lowlevellock.S | 63 +++++- .../unix/sysv/linux/i386/i486/lowlevelrobustlock.S | 227 +++++++++++++++++++++ .../sysv/linux/i386/i486/pthread_barrier_wait.S | 6 +- .../sysv/linux/i386/i486/pthread_cond_broadcast.S | 7 +- .../sysv/linux/i386/i486/pthread_cond_signal.S | 47 +++-- .../sysv/linux/i386/i486/pthread_cond_timedwait.S | 18 +- .../unix/sysv/linux/i386/i486/pthread_cond_wait.S | 18 +- nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S | 11 +- .../unix/sysv/linux/i386/i486/sem_timedwait.S | 28 ++- .../unix/sysv/linux/i386/i486/sem_trywait.S | 13 +- nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S | 17 +- 12 files changed, 403 insertions(+), 54 deletions(-) create mode 100644 nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486') diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S index 223b111083..88885b735d 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S @@ -22,7 +22,7 @@ #ifndef UP # define LOCK \ cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \ - je,pt 0f; \ + je 0f; \ lock; \ 0: #endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S index dc65b709a1..e2da5b04cf 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -41,9 +41,16 @@ .hidden __lll_mutex_lock_wait .align 16 __lll_mutex_lock_wait: + cfi_startproc pushl %edx + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) + cfi_offset(%edx, -8) + cfi_offset(%ebx, -12) + cfi_offset(%esi, -16) movl $2, %edx movl %ecx, %ebx @@ -60,12 +67,19 @@ __lll_mutex_lock_wait: xchgl %eax, (%ebx) /* NB: lock is implied */ testl %eax, %eax - jnz,pn 1b + jnz 1b popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) ret + cfi_endproc .size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait @@ -75,17 +89,27 @@ __lll_mutex_lock_wait: .hidden __lll_mutex_timedlock_wait .align 16 __lll_mutex_timedlock_wait: + cfi_startproc /* Check for a valid timeout value. */ cmpl $1000000000, 4(%edx) jae 3f pushl %edi + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %ebp + cfi_adjust_cfa_offset(4) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Stack frame for the timespec and timeval structs. */ subl $8, %esp + cfi_adjust_cfa_offset(8) movl %ecx, %ebp movl %edx, %edi @@ -140,12 +164,29 @@ __lll_mutex_timedlock_wait: jnz 7f 6: addl $8, %esp + cfi_adjust_cfa_offset(-8) popl %ebp + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebp) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %edi + cfi_adjust_cfa_offset(-4) + cfi_restore(%edi) ret +3: movl $EINVAL, %eax + ret + + cfi_adjust_cfa_offset(24) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Check whether the time expired. */ 7: cmpl $-ETIMEDOUT, %ecx je 5f @@ -157,11 +198,9 @@ __lll_mutex_timedlock_wait: jz 6b jmp 1b -3: movl $EINVAL, %eax - ret - 5: movl $ETIMEDOUT, %eax jmp 6b + cfi_endproc .size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait #endif @@ -200,9 +239,16 @@ lll_unlock_wake_cb: .hidden __lll_mutex_unlock_wake .align 16 __lll_mutex_unlock_wake: + cfi_startproc pushl %ebx + cfi_adjust_cfa_offset(4) pushl %ecx + cfi_adjust_cfa_offset(4) pushl %edx + cfi_adjust_cfa_offset(4) + cfi_offset(%ebx, -8) + cfi_offset(%ecx, -12) + cfi_offset(%edx, -16) movl %eax, %ebx movl $0, (%eax) @@ -212,9 +258,16 @@ __lll_mutex_unlock_wake: ENTER_KERNEL popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) popl %ecx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ecx) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) ret + cfi_endproc .size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S new file mode 100644 index 0000000000..73d8bc4ccc --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S @@ -0,0 +1,227 @@ +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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 +#include +#include + + .text + +#ifndef LOCK +# ifdef UP +# define LOCK +# else +# define LOCK lock +# endif +#endif + +#define SYS_gettimeofday __NR_gettimeofday +#define SYS_futex 240 +#define FUTEX_WAIT 0 +#define FUTEX_WAKE 1 +#define FUTEX_WAITERS 0x80000000 +#define FUTEX_OWNER_DIED 0x40000000 + + + .globl __lll_robust_mutex_lock_wait + .type __lll_robust_mutex_lock_wait,@function + .hidden __lll_robust_mutex_lock_wait + .align 16 +__lll_robust_mutex_lock_wait: + cfi_startproc + pushl %edx + cfi_adjust_cfa_offset(4) + pushl %ebx + cfi_adjust_cfa_offset(4) + pushl %esi + cfi_adjust_cfa_offset(4) + cfi_offset(%edx, -8) + cfi_offset(%ebx, -12) + cfi_offset(%esi, -16) + + movl %ecx, %ebx + xorl %esi, %esi /* No timeout. */ + xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */ + +4: movl %eax, %edx + orl $FUTEX_WAITERS, %edx + + testl $FUTEX_OWNER_DIED, %eax + jnz 3f + + cmpl %edx, %eax /* NB: %edx == 2 */ + je 1f + + LOCK + cmpxchgl %edx, (%ebx) + jnz 2f + +1: movl $SYS_futex, %eax + ENTER_KERNEL + + movl (%ebx), %eax + +2: test %eax, %eax + jne 4b + + movl %gs:TID, %edx + orl $FUTEX_WAITERS, %edx + LOCK + cmpxchgl %edx, (%ebx) + jnz 4b + /* NB: %eax == 0 */ + +3: popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) + popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) + popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) + ret + cfi_endproc + .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait + + + .globl __lll_robust_mutex_timedlock_wait + .type __lll_robust_mutex_timedlock_wait,@function + .hidden __lll_robust_mutex_timedlock_wait + .align 16 +__lll_robust_mutex_timedlock_wait: + cfi_startproc + /* Check for a valid timeout value. */ + cmpl $1000000000, 4(%edx) + jae 3f + + pushl %edi + cfi_adjust_cfa_offset(4) + pushl %esi + cfi_adjust_cfa_offset(4) + pushl %ebx + cfi_adjust_cfa_offset(4) + pushl %ebp + cfi_adjust_cfa_offset(4) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) + + /* Stack frame for the timespec and timeval structs. */ + subl $12, %esp + cfi_adjust_cfa_offset(12) + + movl %ecx, %ebp + movl %edx, %edi + +1: movl %eax, 8(%esp) + + /* Get current time. */ + movl %esp, %ebx + xorl %ecx, %ecx + movl $SYS_gettimeofday, %eax + ENTER_KERNEL + + /* Compute relative timeout. */ + movl 4(%esp), %eax + movl $1000, %edx + mul %edx /* Milli seconds to nano seconds. */ + movl (%edi), %ecx + movl 4(%edi), %edx + subl (%esp), %ecx + subl %eax, %edx + jns 4f + addl $1000000000, %edx + subl $1, %ecx +4: testl %ecx, %ecx + js 8f /* Time is already up. */ + + /* Store relative timeout. */ + movl %ecx, (%esp) + movl %edx, 4(%esp) + + movl %ebp, %ebx + + movl 8(%esp), %edx + movl %edx, %eax + orl $FUTEX_WAITERS, %edx + + testl $FUTEX_OWNER_DIED, %eax + jnz 6f + + cmpl %eax, %edx + je 2f + + LOCK + cmpxchgl %edx, (%ebx) + movl $0, %ecx /* Must use mov to avoid changing cc. */ + jnz 5f + +2: + /* Futex call. */ + movl %esp, %esi + xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */ + movl $SYS_futex, %eax + ENTER_KERNEL + movl %eax, %ecx + + movl (%ebx), %eax + +5: testl %eax, %eax + jne 7f + + movl %gs:TID, %edx + orl $FUTEX_WAITERS, %edx + LOCK + cmpxchgl %edx, (%ebx) + jnz 7f + +6: addl $12, %esp + cfi_adjust_cfa_offset(-12) + popl %ebp + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebp) + popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) + popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) + popl %edi + cfi_adjust_cfa_offset(-4) + cfi_restore(%edi) + ret + +3: movl $EINVAL, %eax + ret + + cfi_adjust_cfa_offset(28) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) + /* Check whether the time expired. */ +7: cmpl $-ETIMEDOUT, %ecx + jne 1b + +8: movl $ETIMEDOUT, %eax + jmp 6b + cfi_endproc + .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S index 114284c44c..fe7a8b9c66 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S @@ -82,7 +82,7 @@ pthread_barrier_wait: #else cmpl %edx, CURR_EVENT(%ebx) #endif - je,pn 8b + je 8b /* Increment LEFT. If this brings the count back to the initial count unlock the object. */ @@ -92,7 +92,7 @@ pthread_barrier_wait: xaddl %edx, LEFT(%ebx) subl $1, %ecx cmpl %ecx, %edx - jne,pt 10f + jne 10f /* Release the mutex. We cannot release the lock before waking the waiting threads since otherwise a new thread might @@ -131,7 +131,7 @@ pthread_barrier_wait: xaddl %edx, LEFT(%ebx) subl $1, %ecx cmpl %ecx, %edx - jne,pt 5f + jne 5f /* Release the mutex. We cannot release the lock before waking the waiting threads since otherwise a new thread might diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S index 5471c1c927..56f7be8246 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -21,6 +21,7 @@ #include #include #include +#include #ifdef UP # define LOCK @@ -94,6 +95,10 @@ __pthread_cond_broadcast: 8: cmpl $-1, %edi je 9f + /* XXX: The kernel so far doesn't support requeue to PI futex. */ + testl $PI_BIT, MUTEX_KIND(%edi) + jne 9f + /* Wake up all threads. */ movl $FUTEX_CMP_REQUEUE, %ecx movl $SYS_futex, %eax diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S index 3c5a1db59c..d0f931ff15 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -31,7 +31,9 @@ #define SYS_futex 240 #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 -#define FUTEX_REQUEUE 3 +#define FUTEX_WAKE_OP 5 + +#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) #define EINVAL 22 @@ -79,21 +81,46 @@ __pthread_cond_signal: addl $1, (%ebx) /* Wake up one thread. */ - movl $FUTEX_WAKE, %ecx + pushl %esi + pushl %ebp + movl $FUTEX_WAKE_OP, %ecx movl $SYS_futex, %eax movl $1, %edx + movl $1, %esi + movl $FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, %ebp + /* FIXME: Until Ingo fixes 4G/4G vDSO, 6 arg syscalls are broken for + sysenter. + ENTER_KERNEL */ + int $0x80 + popl %ebp + popl %esi + + /* For any kind of error, we try again with WAKE. + The general test also covers running on old kernels. */ + cmpl $-4095, %eax + jae 7f + +6: xorl %eax, %eax + popl %edi + popl %ebx + ret + +7: movl $FUTEX_WAKE, %ecx + movl $SYS_futex, %eax + /* %edx should be 1 already from $FUTEX_WAKE_OP syscall. + movl $1, %edx */ ENTER_KERNEL /* Unlock. Note that at this point %edi always points to cond_lock. */ 4: LOCK subl $1, (%edi) - jne 5f + je 6b -6: xorl %eax, %eax - popl %edi - popl %ebx - ret + /* Unlock in loop requires wakeup. */ +5: movl %edi, %eax + call __lll_mutex_unlock_wake + jmp 6b /* Initial locking failed. */ 1: @@ -105,10 +132,6 @@ __pthread_cond_signal: call __lll_mutex_lock_wait jmp 2b - /* Unlock in loop requires wakeup. */ -5: movl %edi, %eax - call __lll_mutex_unlock_wake - jmp 6b .size __pthread_cond_signal, .-__pthread_cond_signal versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal, GLIBC_2_3_2) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S index 699c2cb227..f481a8e43c 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -406,12 +406,22 @@ __condvar_tw_cleanup: cmpl 20(%esp), %eax jne 3f - addl $1, wakeup_seq(%ebx) + /* We increment the wakeup_seq counter only if it is lower than + total_seq. If this is not the case the thread was woken and + then canceled. In this case we ignore the signal. */ + movl total_seq(%ebx), %eax + movl total_seq+4(%ebx), %edi + cmpl wakeup_seq+4(%ebx), %edi + jb 6f + ja 7f + cmpl wakeup_seq(%ebx), %eax + jbe 7f + +6: addl $1, wakeup_seq(%ebx) adcl $0, wakeup_seq+4(%ebx) - addl $1, cond_futex(%ebx) - addl $1, woken_seq(%ebx) +7: addl $1, woken_seq(%ebx) adcl $0, woken_seq+4(%ebx) 3: subl $(1 << clock_bits), cond_nwaiters(%ebx) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S index d282785151..f16c7d9198 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -297,12 +297,22 @@ __condvar_w_cleanup: cmpl 12(%esp), %eax jne 3f - addl $1, wakeup_seq(%ebx) + /* We increment the wakeup_seq counter only if it is lower than + total_seq. If this is not the case the thread was woken and + then canceled. In this case we ignore the signal. */ + movl total_seq(%ebx), %eax + movl total_seq+4(%ebx), %edi + cmpl wakeup_seq+4(%ebx), %edi + jb 6f + ja 7f + cmpl wakeup_seq(%ebx), %eax + jbe 7f + +6: addl $1, wakeup_seq(%ebx) adcl $0, wakeup_seq+4(%ebx) - addl $1, cond_futex(%ebx) - addl $1, woken_seq(%ebx) +7: addl $1, woken_seq(%ebx) adcl $0, woken_seq+4(%ebx) 3: subl $(1 << clock_bits), cond_nwaiters(%ebx) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S index 3d67329bd1..71e96d2228 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -65,9 +65,14 @@ __new_sem_post: #endif addl $_GLOBAL_OFFSET_TABLE_, %ebx #if USE___THREAD - movl %gs:0, %edx - subl errno@gottpoff(%ebx), %edx +# ifdef NO_TLS_DIRECT_SEG_REFS + movl errno@gotntpoff(%ebx), %edx + addl %gs:0, %edx movl $EINVAL, (%edx) +# else + movl errno@gotntpoff(%ebx), %edx + movl $EINVAL, %gs:(%edx) +# endif #else call __errno_location@plt movl $EINVAL, (%eax) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S index 5b24476936..bf70e17fca 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 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 , 2002. @@ -49,12 +49,12 @@ sem_timedwait: movl (%ecx), %eax 2: testl %eax, %eax - je,pn 1f + je 1f leal -1(%eax), %edx LOCK cmpxchgl %edx, (%ecx) - jne,pn 2b + jne 2b xorl %eax, %eax ret @@ -79,10 +79,7 @@ sem_timedwait: jae 6f cfi_offset(3, -16) /* %ebx */ -7: call __pthread_enable_asynccancel - movl %eax, 8(%esp) - - xorl %ecx, %ecx +7: xorl %ecx, %ecx movl %esp, %ebx movl %ecx, %edx movl $SYS_gettimeofday, %eax @@ -105,6 +102,10 @@ sem_timedwait: movl %ecx, (%esp) /* Store relative timeout. */ movl %edx, 4(%esp) + + call __pthread_enable_asynccancel + movl %eax, 8(%esp) + movl 28(%esp), %ebx xorl %ecx, %ecx movl %esp, %esi @@ -117,7 +118,7 @@ sem_timedwait: call __pthread_disable_asynccancel testl %esi, %esi - je,pt 9f + je 9f cmpl $-EWOULDBLOCK, %esi jne 3f @@ -128,7 +129,7 @@ sem_timedwait: leal -1(%eax), %ecx LOCK cmpxchgl %ecx, (%ebx) - jne,pn 8b + jne 8b addl $12, %esp cfi_adjust_cfa_offset(-12) @@ -158,9 +159,14 @@ sem_timedwait: #endif addl $_GLOBAL_OFFSET_TABLE_, %ebx #if USE___THREAD - movl %gs:0, %edx - subl errno@gottpoff(%ebx), %edx +# ifdef NO_TLS_DIRECT_SEG_REFS + movl errno@gotntpoff(%ebx), %edx + addl %gs:0, %edx movl %esi, (%edx) +# else + movl errno@gotntpoff(%ebx), %edx + movl %esi, %gs:(%edx) +# endif #else call __errno_location@plt movl %esi, (%eax) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S index a7c405d95f..fbc3b3c932 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -42,7 +42,7 @@ __new_sem_trywait: leal -1(%eax), %edx LOCK cmpxchgl %edx, (%ecx) - jne,pn 2b + jne 2b xorl %eax, %eax ret @@ -55,9 +55,14 @@ __new_sem_trywait: #endif addl $_GLOBAL_OFFSET_TABLE_, %ecx #if USE___THREAD - movl %gs:0, %edx - subl errno@gottpoff(%ecx), %edx +# ifdef NO_TLS_DIRECT_SEG_REFS + movl errno@gotntpoff(%ecx), %edx + addl %gs:0, %edx movl $EAGAIN, (%edx) +# else + movl errno@gotntpoff(%ecx), %edx + movl $EAGAIN, %gs:(%edx) +# endif #else call __errno_location@plt movl $EAGAIN, (%eax) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S index b7674dc3ba..b1296275d0 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -57,12 +57,12 @@ __new_sem_wait: cfi_offset(6, -12) /* %esi */ 3: movl (%ebx), %eax 2: testl %eax, %eax - je,pn 1f + je 1f leal -1(%eax), %edx LOCK cmpxchgl %edx, (%ebx) - jne,pn 2b + jne 2b xorl %eax, %eax movl 4(%esp), %esi @@ -73,7 +73,7 @@ __new_sem_wait: cfi_adjust_cfa_offset(-12) ret - cfi_adjust_cfa_offset(8) + cfi_adjust_cfa_offset(12) cfi_offset(3, -8) /* %ebx */ cfi_offset(6, -12) /* %esi */ 1: call __pthread_enable_asynccancel @@ -102,9 +102,14 @@ __new_sem_wait: #endif addl $_GLOBAL_OFFSET_TABLE_, %ebx #if USE___THREAD - movl %gs:0, %edx - subl errno@gottpoff(%ebx), %edx +# ifdef NO_TLS_DIRECT_SEG_REFS + movl errno@gotntpoff(%ebx), %edx + addl %gs:0, %edx movl %esi, (%edx) +# else + movl errno@gotntpoff(%ebx), %edx + movl %esi, %gs:(%edx) +# endif #else call __errno_location@plt movl %esi, (%eax) -- cgit v1.2.1