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glibc/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevelmutex.S
Ulrich Drepper 2a544d82ce Update.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
	(__lll_mutex_lock_wait): Reverse order of first two parameters.
	(__lll_mutex_timedlock_wait): Likewise.
	(lll_mutex_lock): Adjust asm for that.
	(lll_mutex_timedlock): Likewise.  Mark cx, cc, r10 as clobbered.
	(lll_lock): Adjust asm for operand order change.
	* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: New file.
	* sysdeps/unix/sysv/linux/x86_64/libc-lowlevelmutex.S: New file.
2003-03-11 04:07:00 +00:00

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1.2 KiB
ArmAsm

/* 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. */
/* In libc.so we do not unconditionally use the lock prefix. Only if
the application is using threads. */
#ifndef UP
# define LOCK \
cmpl $0, __libc_multiple_threads_ptr(%rip); \
je 0f; \
lock; \
0:
#endif
#include "lowlevelmutex.S"