2014-01-01 11:03:15 +00:00
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/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
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2003-02-10 09:24:12 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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2012-02-09 23:18:22 +00:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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2003-02-10 09:24:12 +00:00
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#include <sysdep.h>
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#include <shlib-compat.h>
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2007-08-03 15:50:30 +00:00
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#include <lowlevellock.h>
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2003-02-10 09:24:12 +00:00
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#include <lowlevelcond.h>
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2007-08-15 06:41:22 +00:00
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#include <tcb-offsets.h>
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#include <kernel-features.h>
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2003-02-10 09:24:12 +00:00
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#include "lowlevel-atomic.h"
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.text
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/* int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex) */
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.globl __pthread_cond_wait
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.type __pthread_cond_wait, @function
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.align 5
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2012-05-09 09:48:42 +00:00
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cfi_startproc
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2003-02-10 09:24:12 +00:00
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__pthread_cond_wait:
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2004-03-20 06:16:26 +00:00
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.LSTARTCODE:
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2012-05-09 09:48:42 +00:00
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#ifdef SHARED
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cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
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DW.ref.__gcc_personality_v0)
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cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
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#else
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cfi_personality(DW_EH_PE_absptr, __gcc_personality_v0)
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cfi_lsda(DW_EH_PE_absptr, .LexceptSTART)
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#endif
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2003-02-10 09:24:12 +00:00
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mov.l r8, @-r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r8, 0)
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2003-07-12 01:29:23 +00:00
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mov.l r9, @-r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r9, 0)
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2003-07-12 01:29:23 +00:00
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mov.l r10, @-r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r10, 0)
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2003-07-12 01:29:23 +00:00
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mov.l r11, @-r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r11, 0)
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2003-07-12 01:29:23 +00:00
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mov.l r12, @-r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r12, 0)
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2003-02-10 09:24:12 +00:00
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sts.l pr, @-r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (pr, 0)
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2003-03-29 01:24:20 +00:00
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add #-48, r15
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2012-05-09 09:48:42 +00:00
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cfi_adjust_cfa_offset (48)
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2003-02-10 09:24:12 +00:00
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mov r4, r8
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mov r5, r9
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2004-03-20 06:16:26 +00:00
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#ifdef PIC
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mova .Lgot0, r0
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mov.l .Lgot0, r12
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add r0, r12
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#endif
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2003-02-10 09:24:12 +00:00
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/* Get internal lock. */
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2003-10-12 23:05:45 +00:00
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mov #0, r3
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mov #1, r4
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2003-02-10 09:24:12 +00:00
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#if cond_lock != 0
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2003-10-12 23:05:45 +00:00
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CMPXCHG (r3, @(cond_lock,r8), r4, r2)
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2003-02-10 09:24:12 +00:00
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#else
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2003-10-12 23:05:45 +00:00
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CMPXCHG (r3, @r8, r4, r2)
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2003-02-10 09:24:12 +00:00
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#endif
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2003-07-12 01:29:23 +00:00
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bt 2f
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bra 1f
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nop
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2004-03-20 06:16:26 +00:00
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#ifdef PIC
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.align 2
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.Lgot0:
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.long _GLOBAL_OFFSET_TABLE_
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#endif
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2003-05-29 05:38:43 +00:00
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2013-06-06 12:06:15 +00:00
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2:
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2003-05-29 05:38:43 +00:00
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/* Store the reference to the mutex. If there is already a
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different value in there this is a bad user bug. */
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2004-03-20 06:16:26 +00:00
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mov.l @(dep_mutex,r8),r0
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cmp/eq #-1, r0
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bt 15f
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2003-05-29 05:38:43 +00:00
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mov.l r9, @(dep_mutex,r8)
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2013-06-06 12:06:15 +00:00
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15:
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2003-02-10 09:24:12 +00:00
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/* Unlock the mutex. */
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mov.l .Lmunlock0, r1
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2003-07-12 01:29:23 +00:00
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mov #0, r5
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2003-02-10 09:24:12 +00:00
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bsrf r1
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mov r9, r4
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.Lmunlock0b:
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2003-03-29 01:24:20 +00:00
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tst r0, r0
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2003-07-12 01:29:23 +00:00
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bt 0f
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bra 12f
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nop
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0:
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2003-02-10 09:24:12 +00:00
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mov #1, r2
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mov #0, r3
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clrt
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mov.l @(total_seq,r8),r0
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mov.l @(total_seq+4,r8),r1
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addc r2, r0
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addc r3, r1
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mov.l r0,@(total_seq,r8)
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mov.l r1,@(total_seq+4,r8)
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2004-06-17 23:58:15 +00:00
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mov.l @(cond_futex,r8),r0
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add r2, r0
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mov.l r0,@(cond_futex,r8)
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2007-06-17 16:42:55 +00:00
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mov #(1 << nwaiters_shift), r2
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2004-09-10 21:18:48 +00:00
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mov.l @(cond_nwaiters,r8), r0
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add r2, r0
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mov.l r0, @(cond_nwaiters,r8)
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2003-02-10 09:24:12 +00:00
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/* Get and store current wakeup_seq value. */
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2003-07-12 01:29:23 +00:00
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mov.l @(wakeup_seq,r8), r10
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mov.l @(wakeup_seq+4,r8), r11
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Update.
2004-05-10 Jakub Jelinek <jakub@redhat.com>
* sysdeps/posix/sysconf.c (__sysconf) <cases _SC_REALTIME_SIGNALS,
_SC_PRIORITY_SCHEDULING, _SC_TIMERS, _SC_ASYNCHRONOUS_IO,
_SC_PRIORITIZED_IO, _SC_SYNCHRONIZED_IO, _SC_FSYNC, _SC_MAPPED_FILES,
_SC_MEMLOCK, _SC_MEMLOCK_RANGE, _SC_MEMORY_PROTECTION,
_SC_MESSAGE_PASSING, _SC_SEMAPHORES, _SC_SHARED_MEMORY_OBJECTS,
_SC_THREADS, _SC_THREAD_SAFE_FUNCTIONS, _SC_THREAD_ATTR_STACKADDR,
_SC_THREAD_ATTR_STACKSIZE, _SC_THREAD_PRIORITY_SCHEDULING,
_SC_THREAD_PRIO_INHERIT, _SC_THREAD_PRIO_PROTECT,
_SC_THREAD_PROCESS_SHARED>: Return _POSIX_* value instead of 1.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf)
<case _SC_MONOTONIC_CLOCK>: Return _POSIX_VERSION instead of 1.
2004-05-07 Jeroen Dekkers <jeroen@dekkers.cx>
* sysdeps/mach/hurd/i386/Makefile (CFLAGS-init-first.c): Add
-momit-leaf-frame-pointer.
* inet/test-ifaddrs.c (addr_string): Surround AF_PACKET case with
#ifdef AF_PACKET.
* sysdeps/mach/hurd/getcwd.c
(_hurd_canonicalize_directory_name_intern): Only realloc when
size is <= 0.
* sysdeps/mach/hurd/mmap.c (__mmap): Fail when addr or offset
isn't page aligned.
* sysdeps/mach/hurd/spawni.c (EXPAND_DTABLE): Set dtablesize to
new size.
* sysdeps/mach/hurd/Versions (GLIBC_PRIVATE): Add __libc_read,
__libc_write and __libc_lseek64.
2004-06-01 18:53:04 +00:00
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mov.l @(broadcast_seq,r8), r0
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mov.l r0, @(4,r15)
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2003-02-10 09:24:12 +00:00
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8:
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2004-06-17 23:58:15 +00:00
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mov.l @(cond_futex,r8),r0
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mov.l r0, @(8,r15)
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2003-02-10 09:24:12 +00:00
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/* Unlock. */
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#if cond_lock != 0
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DEC (@(cond_lock,r8), r2)
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#else
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DEC (@r8, r2)
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#endif
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tst r2, r2
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bf 3f
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4:
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2004-03-20 06:16:26 +00:00
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.LcleanupSTART:
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2003-02-10 09:24:12 +00:00
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mov.l .Lenable0, r1
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bsrf r1
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2003-05-29 05:38:43 +00:00
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nop
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2003-02-10 09:24:12 +00:00
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.Lenable0b:
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2003-07-12 01:29:23 +00:00
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mov.l r0, @r15
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2003-02-10 09:24:12 +00:00
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mov #0, r7
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2007-08-15 06:41:22 +00:00
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mov.l @(dep_mutex,r8), r0
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cmp/eq #-1, r0
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bt/s 99f
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mov #FUTEX_WAIT, r5
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#ifdef __ASSUME_PRIVATE_FUTEX
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mov #(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), r5
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extu.b r5, r5
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#else
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stc gbr, r1
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mov.w .Lpfoff0, r2
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add r2, r1
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mov.l @r1, r5
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mov #FUTEX_WAIT, r0
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or r0, r5
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#endif
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2013-06-06 12:06:15 +00:00
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99:
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2004-06-17 23:58:15 +00:00
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mov.l @(8,r15), r6
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2003-02-10 09:24:12 +00:00
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mov r8, r4
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2004-06-17 23:58:15 +00:00
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add #cond_futex, r4
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2003-02-10 09:24:12 +00:00
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mov #SYS_futex, r3
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extu.b r3, r3
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trapa #0x14
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SYSCALL_INST_PAD
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mov.l .Ldisable0, r1
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bsrf r1
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2003-07-12 01:29:23 +00:00
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mov.l @r15, r4
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2013-06-06 12:06:15 +00:00
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.Ldisable0b:
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2004-03-20 06:16:26 +00:00
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.LcleanupEND:
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2003-02-10 09:24:12 +00:00
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/* Lock. */
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2003-10-12 23:05:45 +00:00
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mov #0, r3
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mov #1, r4
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2003-02-10 09:24:12 +00:00
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#if cond_lock != 0
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2003-10-12 23:05:45 +00:00
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CMPXCHG (r3, @(cond_lock,r8), r4, r2)
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2003-02-10 09:24:12 +00:00
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#else
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2003-10-12 23:05:45 +00:00
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CMPXCHG (r3, @r8, r4, r2)
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2003-02-10 09:24:12 +00:00
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#endif
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bf 5f
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6:
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Update.
2004-05-10 Jakub Jelinek <jakub@redhat.com>
* sysdeps/posix/sysconf.c (__sysconf) <cases _SC_REALTIME_SIGNALS,
_SC_PRIORITY_SCHEDULING, _SC_TIMERS, _SC_ASYNCHRONOUS_IO,
_SC_PRIORITIZED_IO, _SC_SYNCHRONIZED_IO, _SC_FSYNC, _SC_MAPPED_FILES,
_SC_MEMLOCK, _SC_MEMLOCK_RANGE, _SC_MEMORY_PROTECTION,
_SC_MESSAGE_PASSING, _SC_SEMAPHORES, _SC_SHARED_MEMORY_OBJECTS,
_SC_THREADS, _SC_THREAD_SAFE_FUNCTIONS, _SC_THREAD_ATTR_STACKADDR,
_SC_THREAD_ATTR_STACKSIZE, _SC_THREAD_PRIORITY_SCHEDULING,
_SC_THREAD_PRIO_INHERIT, _SC_THREAD_PRIO_PROTECT,
_SC_THREAD_PROCESS_SHARED>: Return _POSIX_* value instead of 1.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf)
<case _SC_MONOTONIC_CLOCK>: Return _POSIX_VERSION instead of 1.
2004-05-07 Jeroen Dekkers <jeroen@dekkers.cx>
* sysdeps/mach/hurd/i386/Makefile (CFLAGS-init-first.c): Add
-momit-leaf-frame-pointer.
* inet/test-ifaddrs.c (addr_string): Surround AF_PACKET case with
#ifdef AF_PACKET.
* sysdeps/mach/hurd/getcwd.c
(_hurd_canonicalize_directory_name_intern): Only realloc when
size is <= 0.
* sysdeps/mach/hurd/mmap.c (__mmap): Fail when addr or offset
isn't page aligned.
* sysdeps/mach/hurd/spawni.c (EXPAND_DTABLE): Set dtablesize to
new size.
* sysdeps/mach/hurd/Versions (GLIBC_PRIVATE): Add __libc_read,
__libc_write and __libc_lseek64.
2004-06-01 18:53:04 +00:00
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mov.l @(broadcast_seq,r8), r0
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mov.l @(4,r15), r1
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cmp/eq r0, r1
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bf 16f
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2003-02-10 09:24:12 +00:00
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mov.l @(woken_seq,r8), r0
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mov.l @(woken_seq+4,r8), r1
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mov.l @(wakeup_seq,r8), r2
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mov.l @(wakeup_seq+4,r8), r3
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2004-03-20 06:16:26 +00:00
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cmp/eq r3, r11
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bf 7f
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cmp/eq r2, r10
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2003-02-10 09:24:12 +00:00
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bt 8b
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7:
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2004-03-20 06:16:26 +00:00
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cmp/eq r1, r3
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bf 9f
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cmp/eq r0, r2
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2003-02-10 09:24:12 +00:00
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bt 8b
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9:
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mov #1, r2
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mov #0, r3
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clrt
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mov.l @(woken_seq,r8),r0
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mov.l @(woken_seq+4,r8),r1
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addc r2, r0
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addc r3, r1
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mov.l r0,@(woken_seq,r8)
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mov.l r1,@(woken_seq+4,r8)
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2004-09-10 21:18:48 +00:00
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16:
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2007-06-17 16:42:55 +00:00
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mov #(1 << nwaiters_shift), r2
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2004-09-10 21:18:48 +00:00
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mov.l @(cond_nwaiters,r8),r0
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sub r2, r0
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mov.l r0,@(cond_nwaiters,r8)
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/* Wake up a thread which wants to destroy the condvar object. */
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mov.l @(total_seq,r8),r0
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mov.l @(total_seq+4,r8),r1
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and r1, r0
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not r0, r0
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cmp/eq #0, r0
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bf/s 17f
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2007-06-17 16:42:55 +00:00
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mov #((1 << nwaiters_shift) - 1), r1
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2004-09-10 21:18:48 +00:00
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not r1, r1
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mov.l @(cond_nwaiters,r8),r0
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tst r1, r0
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bf 17f
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mov r8, r4
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add #cond_nwaiters, r4
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2007-08-15 06:41:22 +00:00
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mov.l @(dep_mutex,r8), r0
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cmp/eq #-1, r0
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bt/s 99f
|
|
|
|
mov #FUTEX_WAKE, r5
|
|
|
|
#ifdef __ASSUME_PRIVATE_FUTEX
|
|
|
|
mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5
|
|
|
|
extu.b r5, r5
|
|
|
|
#else
|
|
|
|
stc gbr, r1
|
|
|
|
mov.w .Lpfoff0, r2
|
|
|
|
add r2, r1
|
|
|
|
mov.l @r1, r5
|
|
|
|
mov #FUTEX_WAKE, r0
|
|
|
|
or r0, r5
|
|
|
|
#endif
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2004-09-10 21:18:48 +00:00
|
|
|
mov #1, r6
|
|
|
|
mov #0, r7
|
|
|
|
mov #SYS_futex, r3
|
|
|
|
extu.b r3, r3
|
|
|
|
trapa #0x14
|
|
|
|
SYSCALL_INST_PAD
|
|
|
|
|
|
|
|
17:
|
2003-02-10 09:24:12 +00:00
|
|
|
#if cond_lock != 0
|
|
|
|
DEC (@(cond_lock,r8), r2)
|
|
|
|
#else
|
|
|
|
DEC (@r8, r2)
|
|
|
|
#endif
|
|
|
|
tst r2, r2
|
|
|
|
bf 10f
|
|
|
|
|
|
|
|
11:
|
|
|
|
mov.l .Lmlocki0, r1
|
|
|
|
bsrf r1
|
2004-03-20 06:16:26 +00:00
|
|
|
mov r9, r4
|
2003-02-10 09:24:12 +00:00
|
|
|
.Lmlocki0b:
|
|
|
|
/* We return the result of the mutex_lock operation. */
|
2003-03-29 01:24:20 +00:00
|
|
|
|
|
|
|
14:
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_remember_state
|
2003-03-29 01:24:20 +00:00
|
|
|
add #48, r15
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_adjust_cfa_offset (-48)
|
2003-02-10 09:24:12 +00:00
|
|
|
lds.l @r15+, pr
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (pr)
|
2003-07-12 01:29:23 +00:00
|
|
|
mov.l @r15+, r12
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (r12)
|
2003-07-12 01:29:23 +00:00
|
|
|
mov.l @r15+, r11
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (r11)
|
2003-07-12 01:29:23 +00:00
|
|
|
mov.l @r15+, r10
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (r10)
|
2003-02-10 09:24:12 +00:00
|
|
|
mov.l @r15+, r9
|
2012-05-27 22:06:57 +00:00
|
|
|
cfi_adjust_cfa_offset (-4)
|
|
|
|
cfi_restore (r9)
|
2003-02-10 09:24:12 +00:00
|
|
|
rts
|
2003-07-12 01:29:23 +00:00
|
|
|
mov.l @r15+, r8
|
2012-05-27 22:06:57 +00:00
|
|
|
/* Omit CFI for restore in delay slot. */
|
|
|
|
cfi_restore_state
|
2003-02-10 09:24:12 +00:00
|
|
|
|
2007-08-15 06:41:22 +00:00
|
|
|
#ifndef __ASSUME_PRIVATE_FUTEX
|
|
|
|
.Lpfoff0:
|
|
|
|
.word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
|
|
|
|
#endif
|
2003-02-10 09:24:12 +00:00
|
|
|
.align 2
|
|
|
|
.Lmunlock0:
|
2003-07-12 01:29:23 +00:00
|
|
|
.long __pthread_mutex_unlock_usercnt-.Lmunlock0b
|
2003-02-10 09:24:12 +00:00
|
|
|
.Lenable0:
|
2003-05-29 05:38:43 +00:00
|
|
|
.long __pthread_enable_asynccancel-.Lenable0b
|
2003-02-10 09:24:12 +00:00
|
|
|
.Ldisable0:
|
|
|
|
.long __pthread_disable_asynccancel-.Ldisable0b
|
|
|
|
.Lmlocki0:
|
2003-05-29 05:38:43 +00:00
|
|
|
.long __pthread_mutex_cond_lock-.Lmlocki0b
|
2003-02-10 09:24:12 +00:00
|
|
|
|
|
|
|
1:
|
|
|
|
/* Initial locking failed. */
|
|
|
|
mov r8, r5
|
|
|
|
#if cond_lock != 0
|
|
|
|
add #cond_lock, r5
|
|
|
|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bf/s 99f
|
|
|
|
mov #LLL_PRIVATE, r6
|
2007-08-03 15:50:30 +00:00
|
|
|
mov #LLL_SHARED, r6
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r6, r6
|
|
|
|
mov.l .Lwait0, r1
|
2003-02-10 09:24:12 +00:00
|
|
|
bsrf r1
|
|
|
|
mov r2, r4
|
2007-08-03 15:50:30 +00:00
|
|
|
.Lwait0b:
|
2003-02-10 09:24:12 +00:00
|
|
|
bra 2b
|
|
|
|
nop
|
|
|
|
3:
|
|
|
|
/* Unlock in loop requires waekup. */
|
|
|
|
mov r8, r4
|
|
|
|
#if cond_lock != 0
|
|
|
|
add #cond_lock, r4
|
|
|
|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bf/s 99f
|
|
|
|
mov #LLL_PRIVATE, r5
|
2007-08-03 15:50:30 +00:00
|
|
|
mov #LLL_SHARED, r5
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2007-08-03 15:50:30 +00:00
|
|
|
mov.l .Lwake0, r1
|
2003-02-10 09:24:12 +00:00
|
|
|
bsrf r1
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r5, r5
|
|
|
|
.Lwake0b:
|
2003-02-10 09:24:12 +00:00
|
|
|
bra 4b
|
|
|
|
nop
|
|
|
|
|
|
|
|
5:
|
|
|
|
/* Locking in loop failed. */
|
|
|
|
mov r8, r5
|
|
|
|
#if cond_lock != 0
|
|
|
|
add #cond_lock, r5
|
|
|
|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bf/s 99f
|
|
|
|
mov #LLL_PRIVATE, r6
|
2007-08-03 15:50:30 +00:00
|
|
|
mov #LLL_SHARED, r6
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r6, r6
|
|
|
|
mov.l .Lwait1, r1
|
2003-02-10 09:24:12 +00:00
|
|
|
bsrf r1
|
|
|
|
mov r2, r4
|
2007-08-03 15:50:30 +00:00
|
|
|
.Lwait1b:
|
2003-02-10 09:24:12 +00:00
|
|
|
bra 6b
|
|
|
|
nop
|
|
|
|
|
|
|
|
10:
|
|
|
|
/* Unlock after loop requires wakeup. */
|
|
|
|
mov r8, r4
|
|
|
|
#if cond_lock != 0
|
|
|
|
add #cond_lock, r4
|
|
|
|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bf/s 99f
|
|
|
|
mov #LLL_PRIVATE, r5
|
2007-08-03 15:50:30 +00:00
|
|
|
mov #LLL_SHARED, r5
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2007-08-03 15:50:30 +00:00
|
|
|
mov.l .Lwake1, r1
|
2003-02-10 09:24:12 +00:00
|
|
|
bsrf r1
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r5, r5
|
|
|
|
.Lwake1b:
|
2003-02-10 09:24:12 +00:00
|
|
|
bra 11b
|
|
|
|
nop
|
|
|
|
|
2003-03-29 01:24:20 +00:00
|
|
|
12:
|
|
|
|
/* The initial unlocking of the mutex failed. */
|
2003-07-12 01:29:23 +00:00
|
|
|
mov.l r0, @(12,r15)
|
2003-03-29 01:24:20 +00:00
|
|
|
#if cond_lock != 0
|
|
|
|
DEC (@(cond_lock,r8), r2)
|
|
|
|
#else
|
|
|
|
DEC (@r8, r2)
|
|
|
|
#endif
|
|
|
|
tst r2, r2
|
|
|
|
bf 13f
|
|
|
|
|
|
|
|
mov r8, r4
|
|
|
|
#if cond_lock != 0
|
|
|
|
add #cond_lock, r4
|
|
|
|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bf/s 99f
|
|
|
|
mov #LLL_PRIVATE, r5
|
2007-08-03 15:50:30 +00:00
|
|
|
mov #LLL_SHARED, r5
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2007-08-03 15:50:30 +00:00
|
|
|
mov.l .Lwake2, r1
|
2003-03-29 01:24:20 +00:00
|
|
|
bsrf r1
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r5, r5
|
|
|
|
.Lwake2b:
|
2003-03-29 01:24:20 +00:00
|
|
|
|
|
|
|
13:
|
|
|
|
bra 14b
|
2003-07-12 01:29:23 +00:00
|
|
|
mov.l @(12,r15), r0
|
2003-03-29 01:24:20 +00:00
|
|
|
|
2003-02-10 09:24:12 +00:00
|
|
|
.align 2
|
2007-08-03 15:50:30 +00:00
|
|
|
.Lwait0:
|
|
|
|
.long __lll_lock_wait-.Lwait0b
|
|
|
|
.Lwake0:
|
|
|
|
.long __lll_unlock_wake-.Lwake0b
|
|
|
|
.Lwait1:
|
|
|
|
.long __lll_lock_wait-.Lwait1b
|
|
|
|
.Lwake1:
|
|
|
|
.long __lll_unlock_wake-.Lwake1b
|
|
|
|
.Lwake2:
|
|
|
|
.long __lll_unlock_wake-.Lwake2b
|
2003-02-10 09:24:12 +00:00
|
|
|
.size __pthread_cond_wait, .-__pthread_cond_wait
|
|
|
|
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
|
|
|
|
GLIBC_2_3_2)
|
2004-03-20 06:16:26 +00:00
|
|
|
|
|
|
|
|
|
|
|
.type __condvar_w_cleanup, @function
|
|
|
|
__condvar_w_cleanup:
|
|
|
|
mov r4, r11
|
|
|
|
|
|
|
|
/* Get internal lock. */
|
|
|
|
mov #0, r3
|
|
|
|
mov #1, r4
|
|
|
|
#if cond_lock != 0
|
|
|
|
CMPXCHG (r3, @(cond_lock,r8), r4, r2)
|
|
|
|
#else
|
|
|
|
CMPXCHG (r3, @r8, r4, r2)
|
|
|
|
#endif
|
|
|
|
bt 1f
|
|
|
|
nop
|
|
|
|
|
|
|
|
mov r8, r5
|
|
|
|
#if cond_lock != 0
|
|
|
|
add #cond_lock, r5
|
|
|
|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bf/s 99f
|
|
|
|
mov #LLL_PRIVATE, r6
|
2007-08-03 15:50:30 +00:00
|
|
|
mov #LLL_SHARED, r6
|
2013-06-06 12:06:15 +00:00
|
|
|
99:
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r6, r6
|
|
|
|
mov.l .Lwait3, r1
|
2004-03-20 06:16:26 +00:00
|
|
|
bsrf r1
|
|
|
|
mov r2, r4
|
2007-08-03 15:50:30 +00:00
|
|
|
.Lwait3b:
|
2004-03-20 06:16:26 +00:00
|
|
|
|
|
|
|
1:
|
Update.
2004-05-10 Jakub Jelinek <jakub@redhat.com>
* sysdeps/posix/sysconf.c (__sysconf) <cases _SC_REALTIME_SIGNALS,
_SC_PRIORITY_SCHEDULING, _SC_TIMERS, _SC_ASYNCHRONOUS_IO,
_SC_PRIORITIZED_IO, _SC_SYNCHRONIZED_IO, _SC_FSYNC, _SC_MAPPED_FILES,
_SC_MEMLOCK, _SC_MEMLOCK_RANGE, _SC_MEMORY_PROTECTION,
_SC_MESSAGE_PASSING, _SC_SEMAPHORES, _SC_SHARED_MEMORY_OBJECTS,
_SC_THREADS, _SC_THREAD_SAFE_FUNCTIONS, _SC_THREAD_ATTR_STACKADDR,
_SC_THREAD_ATTR_STACKSIZE, _SC_THREAD_PRIORITY_SCHEDULING,
_SC_THREAD_PRIO_INHERIT, _SC_THREAD_PRIO_PROTECT,
_SC_THREAD_PROCESS_SHARED>: Return _POSIX_* value instead of 1.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf)
<case _SC_MONOTONIC_CLOCK>: Return _POSIX_VERSION instead of 1.
2004-05-07 Jeroen Dekkers <jeroen@dekkers.cx>
* sysdeps/mach/hurd/i386/Makefile (CFLAGS-init-first.c): Add
-momit-leaf-frame-pointer.
* inet/test-ifaddrs.c (addr_string): Surround AF_PACKET case with
#ifdef AF_PACKET.
* sysdeps/mach/hurd/getcwd.c
(_hurd_canonicalize_directory_name_intern): Only realloc when
size is <= 0.
* sysdeps/mach/hurd/mmap.c (__mmap): Fail when addr or offset
isn't page aligned.
* sysdeps/mach/hurd/spawni.c (EXPAND_DTABLE): Set dtablesize to
new size.
* sysdeps/mach/hurd/Versions (GLIBC_PRIVATE): Add __libc_read,
__libc_write and __libc_lseek64.
2004-06-01 18:53:04 +00:00
|
|
|
mov.l @(broadcast_seq,r8), r0
|
|
|
|
mov.l @(4,r15), r1
|
|
|
|
cmp/eq r0, r1
|
|
|
|
bf 3f
|
|
|
|
|
2004-03-20 06:16:26 +00:00
|
|
|
mov #1, r2
|
|
|
|
mov #0, r3
|
|
|
|
|
2006-09-17 06:02:48 +00:00
|
|
|
/* 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. */
|
|
|
|
mov.l @(total_seq+4,r8), r0
|
|
|
|
mov.l @(wakeup_seq+4,r8), r1
|
|
|
|
cmp/hi r1, r0
|
|
|
|
bt/s 6f
|
|
|
|
cmp/hi r0, r1
|
|
|
|
bt 7f
|
|
|
|
mov.l @(total_seq,r8), r0
|
|
|
|
mov.l @(wakeup_seq,r8), r1
|
|
|
|
cmp/hs r0, r1
|
|
|
|
bt 7f
|
|
|
|
|
|
|
|
6:
|
2004-03-20 06:16:26 +00:00
|
|
|
clrt
|
|
|
|
mov.l @(wakeup_seq,r8),r0
|
|
|
|
mov.l @(wakeup_seq+4,r8),r1
|
|
|
|
addc r2, r0
|
|
|
|
addc r3, r1
|
|
|
|
mov.l r0,@(wakeup_seq,r8)
|
|
|
|
mov.l r1,@(wakeup_seq+4,r8)
|
2004-06-17 23:58:15 +00:00
|
|
|
mov.l @(cond_futex,r8),r0
|
|
|
|
add r2, r0
|
|
|
|
mov.l r0,@(cond_futex,r8)
|
2004-03-20 06:16:26 +00:00
|
|
|
|
2006-09-17 06:02:48 +00:00
|
|
|
7:
|
Update.
2004-05-10 Jakub Jelinek <jakub@redhat.com>
* sysdeps/posix/sysconf.c (__sysconf) <cases _SC_REALTIME_SIGNALS,
_SC_PRIORITY_SCHEDULING, _SC_TIMERS, _SC_ASYNCHRONOUS_IO,
_SC_PRIORITIZED_IO, _SC_SYNCHRONIZED_IO, _SC_FSYNC, _SC_MAPPED_FILES,
_SC_MEMLOCK, _SC_MEMLOCK_RANGE, _SC_MEMORY_PROTECTION,
_SC_MESSAGE_PASSING, _SC_SEMAPHORES, _SC_SHARED_MEMORY_OBJECTS,
_SC_THREADS, _SC_THREAD_SAFE_FUNCTIONS, _SC_THREAD_ATTR_STACKADDR,
_SC_THREAD_ATTR_STACKSIZE, _SC_THREAD_PRIORITY_SCHEDULING,
_SC_THREAD_PRIO_INHERIT, _SC_THREAD_PRIO_PROTECT,
_SC_THREAD_PROCESS_SHARED>: Return _POSIX_* value instead of 1.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf)
<case _SC_MONOTONIC_CLOCK>: Return _POSIX_VERSION instead of 1.
2004-05-07 Jeroen Dekkers <jeroen@dekkers.cx>
* sysdeps/mach/hurd/i386/Makefile (CFLAGS-init-first.c): Add
-momit-leaf-frame-pointer.
* inet/test-ifaddrs.c (addr_string): Surround AF_PACKET case with
#ifdef AF_PACKET.
* sysdeps/mach/hurd/getcwd.c
(_hurd_canonicalize_directory_name_intern): Only realloc when
size is <= 0.
* sysdeps/mach/hurd/mmap.c (__mmap): Fail when addr or offset
isn't page aligned.
* sysdeps/mach/hurd/spawni.c (EXPAND_DTABLE): Set dtablesize to
new size.
* sysdeps/mach/hurd/Versions (GLIBC_PRIVATE): Add __libc_read,
__libc_write and __libc_lseek64.
2004-06-01 18:53:04 +00:00
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clrt
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mov.l @(woken_seq,r8),r0
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mov.l @(woken_seq+4,r8),r1
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addc r2, r0
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addc r3, r1
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mov.l r0,@(woken_seq,r8)
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mov.l r1,@(woken_seq+4,r8)
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2004-09-10 21:18:48 +00:00
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3:
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2007-06-17 16:42:55 +00:00
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mov #(1 << nwaiters_shift), r2
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2004-09-10 21:18:48 +00:00
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mov.l @(cond_nwaiters,r8),r0
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sub r2, r0
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mov.l r0,@(cond_nwaiters,r8)
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/* Wake up a thread which wants to destroy the condvar object. */
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mov #0, r10
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mov.l @(total_seq,r8),r0
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mov.l @(total_seq+4,r8),r1
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and r1, r0
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not r0, r0
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cmp/eq #0, r0
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bf/s 4f
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2007-06-17 16:42:55 +00:00
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mov #((1 << nwaiters_shift) - 1), r1
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2004-09-10 21:18:48 +00:00
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not r1, r1
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mov.l @(cond_nwaiters,r8),r0
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tst r1, r0
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bf 4f
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mov r8, r4
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add #cond_nwaiters, r4
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2007-08-15 06:41:22 +00:00
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mov.l @(dep_mutex,r8), r0
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cmp/eq #-1, r0
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bt/s 99f
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mov #FUTEX_WAKE, r5
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#ifdef __ASSUME_PRIVATE_FUTEX
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mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5
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extu.b r5, r5
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#else
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stc gbr, r1
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mov.w .Lpfoff1, r2
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add r2, r1
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mov.l @r1, r5
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mov #FUTEX_WAKE, r0
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or r0, r5
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#endif
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2013-06-06 12:06:15 +00:00
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99:
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2004-09-10 21:18:48 +00:00
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mov #1, r6
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mov #0, r7
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mov #SYS_futex, r3
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extu.b r3, r3
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trapa #0x14
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SYSCALL_INST_PAD
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mov #1, r10
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4:
|
2004-03-20 06:16:26 +00:00
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#if cond_lock != 0
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DEC (@(cond_lock,r8), r2)
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#else
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DEC (@r8, r2)
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#endif
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tst r2, r2
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bt 2f
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mov r8, r4
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|
#if cond_lock != 0
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|
add #cond_lock, r4
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|
#endif
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
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|
cmp/eq #-1, r0
|
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|
bf/s 99f
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|
mov #LLL_PRIVATE, r5
|
2007-08-03 15:50:30 +00:00
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|
mov #LLL_SHARED, r5
|
2013-06-06 12:06:15 +00:00
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|
99:
|
2007-08-03 15:50:30 +00:00
|
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|
mov.l .Lwake3, r1
|
2004-03-20 06:16:26 +00:00
|
|
|
bsrf r1
|
2007-08-03 15:50:30 +00:00
|
|
|
extu.b r5, r5
|
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|
.Lwake3b:
|
2004-03-20 06:16:26 +00:00
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2:
|
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|
/* Wake up all waiters to make sure no signal gets lost. */
|
2004-09-10 21:18:48 +00:00
|
|
|
tst r10, r10
|
|
|
|
bf/s 5f
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|
|
|
mov r8, r4
|
2004-06-17 23:58:15 +00:00
|
|
|
add #cond_futex, r4
|
2007-08-15 06:41:22 +00:00
|
|
|
mov.l @(dep_mutex,r8), r0
|
|
|
|
cmp/eq #-1, r0
|
|
|
|
bt/s 99f
|
|
|
|
mov #FUTEX_WAKE, r5
|
|
|
|
#ifdef __ASSUME_PRIVATE_FUTEX
|
|
|
|
mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5
|
|
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|
extu.b r5, r5
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|
|
|
#else
|
|
|
|
stc gbr, r1
|
|
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|
mov.w .Lpfoff1, r2
|
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|
|
add r2, r1
|
|
|
|
mov.l @r1, r5
|
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|
|
mov #FUTEX_WAKE, r0
|
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|
|
or r0, r5
|
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|
#endif
|
2013-06-06 12:06:15 +00:00
|
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|
99:
|
2004-03-20 06:16:26 +00:00
|
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|
mov #-1, r6
|
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|
|
shlr r6 /* r6 = 0x7fffffff */
|
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|
mov #0, r7
|
|
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|
mov #SYS_futex, r3
|
|
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|
extu.b r3, r3
|
|
|
|
trapa #0x14
|
|
|
|
SYSCALL_INST_PAD
|
|
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|
2004-09-10 21:18:48 +00:00
|
|
|
5:
|
2004-03-20 06:16:26 +00:00
|
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|
mov.l .Lmlocki3, r1
|
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|
bsrf r1
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|
mov r9, r4
|
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|
.Lmlocki3b:
|
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|
.LcallUR:
|
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|
mov.l .Lresume, r1
|
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|
#ifdef PIC
|
|
|
|
add r12, r1
|
|
|
|
#endif
|
|
|
|
jsr @r1
|
|
|
|
mov r11, r4
|
|
|
|
sleep
|
|
|
|
|
2007-08-15 06:41:22 +00:00
|
|
|
#ifndef __ASSUME_PRIVATE_FUTEX
|
|
|
|
.Lpfoff1:
|
|
|
|
.word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
|
|
|
|
#endif
|
2004-03-20 06:16:26 +00:00
|
|
|
.align 2
|
2007-08-03 15:50:30 +00:00
|
|
|
.Lwait3:
|
|
|
|
.long __lll_lock_wait-.Lwait3b
|
|
|
|
.Lwake3:
|
|
|
|
.long __lll_unlock_wake-.Lwake3b
|
2004-03-20 06:16:26 +00:00
|
|
|
.Lmlocki3:
|
|
|
|
.long __pthread_mutex_cond_lock-.Lmlocki3b
|
|
|
|
.Lresume:
|
|
|
|
#ifdef PIC
|
|
|
|
.long _Unwind_Resume@GOTOFF
|
|
|
|
#else
|
|
|
|
.long _Unwind_Resume
|
|
|
|
#endif
|
|
|
|
.LENDCODE:
|
2012-05-09 09:48:42 +00:00
|
|
|
cfi_endproc
|
2004-03-20 06:16:26 +00:00
|
|
|
.size __condvar_w_cleanup, .-__condvar_w_cleanup
|
|
|
|
|
|
|
|
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|
|
|
.section .gcc_except_table,"a",@progbits
|
|
|
|
.LexceptSTART:
|
2012-05-09 09:48:42 +00:00
|
|
|
.byte DW_EH_PE_omit ! @LPStart format (omit)
|
|
|
|
.byte DW_EH_PE_omit ! @TType format (omit)
|
|
|
|
.byte DW_EH_PE_sdata4 ! call-site format
|
2004-03-20 06:16:26 +00:00
|
|
|
.uleb128 .Lcstend-.Lcstbegin
|
|
|
|
.Lcstbegin:
|
|
|
|
.ualong .LcleanupSTART-.LSTARTCODE
|
|
|
|
.ualong .LcleanupEND-.LcleanupSTART
|
|
|
|
.ualong __condvar_w_cleanup-.LSTARTCODE
|
|
|
|
.uleb128 0
|
|
|
|
.ualong .LcallUR-.LSTARTCODE
|
|
|
|
.ualong .LENDCODE-.LcallUR
|
|
|
|
.ualong 0
|
|
|
|
.uleb128 0
|
|
|
|
.Lcstend:
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef SHARED
|
|
|
|
.hidden DW.ref.__gcc_personality_v0
|
|
|
|
.weak DW.ref.__gcc_personality_v0
|
|
|
|
.section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits
|
|
|
|
.align 4
|
|
|
|
.type DW.ref.__gcc_personality_v0, @object
|
|
|
|
.size DW.ref.__gcc_personality_v0, 4
|
|
|
|
DW.ref.__gcc_personality_v0:
|
|
|
|
.long __gcc_personality_v0
|
|
|
|
#endif
|