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2003-02-08 kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/Makefile: New file. * sysdeps/sh/bits/atomic.h: New file. * sysdeps/sh/pthread_spin_init.c: New file. * sysdeps/sh/pthread_spin_lock.c: New file. * sysdeps/sh/pthread_spin_trylock.S: New file. * sysdeps/sh/pthread_spin_unlock.S: New file. * sysdeps/sh/pthreaddef.h: New file. * sysdeps/sh/tcb-offsets.sym: New file. * sysdeps/sh/td_ta_map_lwp2thr.c: New file. * sysdeps/sh/tls.h: New file. * sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: New file. * sysdeps/unix/sysv/linux/sh/bits/semaphore.h: New file. * sysdeps/unix/sysv/linux/sh/createthread.c: New file. * sysdeps/unix/sysv/linux/sh/fork.c: New file. * sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: New file. * sysdeps/unix/sysv/linux/sh/libc-lowlevelmutex.S: New file. * sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h: New file. * sysdeps/unix/sysv/linux/sh/lowlevelcond.h: New file. * sysdeps/unix/sysv/linux/sh/lowlevellock.S: New file. * sysdeps/unix/sysv/linux/sh/lowlevellock.h: New file. * sysdeps/unix/sysv/linux/sh/lowlevelmutex.S: New file. * sysdeps/unix/sysv/linux/sh/lowlevelrwlock.h: New file. * sysdeps/unix/sysv/linux/sh/pt-initfini.c: New file. * sysdeps/unix/sysv/linux/sh/pt-vfork.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_once.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: New file. * sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: New file. * sysdeps/unix/sysv/linux/sh/sem_post.S: New file. * sysdeps/unix/sysv/linux/sh/sem_timedwait.S: New file. * sysdeps/unix/sysv/linux/sh/sem_trywait.S: New file. * sysdeps/unix/sysv/linux/sh/sem_wait.S: New file. * sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: New file.
100 lines
2.0 KiB
ArmAsm
100 lines
2.0 KiB
ArmAsm
/* Copyright (C) 2003 Free Software Foundation, Inc.
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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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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <shlib-compat.h>
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#include "lowlevel-atomic.h"
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#define SYS_gettimeofday __NR_gettimeofday
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#define SYS_futex 240
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#define FUTEX_WAIT 0
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#define FUTEX_WAKE 1
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#define EINTR 4
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#define EAGAIN 11
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#define EWOULDBLOCK EAGAIN
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#define EINVAL 22
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#define ETIMEDOUT 110
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.text
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.globl __new_sem_trywait
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.type __new_sem_trywait,@function
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.align 5
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__new_sem_trywait:
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mov.l r12, @-r15
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mov.l r8, @-r15
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sts.l pr, @-r15
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mov r4, r8
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mov.l @r8, r0
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2:
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tst r0, r0
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bt 1f
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mov r0, r3
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mov r0, r4
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add #-1, r3
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CMPXCHG (r4, @r8, r3, r2)
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bf/s 2b
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mov r2, r0
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lds.l @r15+, pr
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mov.l @r15+, r8
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mov.l @r15+, r12
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rts
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mov #0, r0
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1:
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mov #EAGAIN, r8
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mova .Lgot1, r0
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mov.l .Lgot1, r12
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add r0, r12
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#if USE___THREAD
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mov.l .Lerrno1, r0
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stc gbr, r1
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mov.l @(r0, r12), r0
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add r1, r0
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mov.l r8, @r0
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#else
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mov.l .Lerrloc1, r1
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bsrf r1
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nop
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.Lerrloc1b:
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mov.l r8, @r0
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#endif
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lds.l @r15+, pr
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mov.l @r15+, r8
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mov.l @r15+, r12
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rts
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mov #-1, r0
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.align 2
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.Lgot1:
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.long _GLOBAL_OFFSET_TABLE_
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#if USE___THREAD
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.Lerrno1:
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.long errno@GOTTPOFF
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#else
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.Lerrloc1:
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.long __errno_location@PLT-(.Lerrloc1b+2-.)
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#endif
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.size __new_sem_trywait,.-__new_sem_trywait
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.symver __new_sem_trywait, sem_trywait@@GLIBC_2.2
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