5eccb9646d
Also make the other architectures more similar to one another, use NULL instead of 0 in calling code, and remove an unused #define. Change-Id: I52b874afb6a351c802f201a0625e484df6d093bb
66 lines
2.3 KiB
ArmAsm
66 lines
2.3 KiB
ArmAsm
/*
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* Copyright (C) 2013 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <private/bionic_asm.h>
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#define FUTEX_WAIT 0
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#define FUTEX_WAKE 1
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// int __futex_wait(volatile void* ftx, int val, const struct timespec* timeout)
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ENTRY(__futex_wait)
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mov %rdx, %r10 /* timeout */
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mov %esi, %edx /* val */
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mov $FUTEX_WAIT, %esi /* op */
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mov $__NR_futex, %eax
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syscall
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ret
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END(__futex_wait)
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// int __futex_wake(volatile void* ftx, int count)
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ENTRY(__futex_wake)
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mov %esi, %edx
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mov $FUTEX_WAKE, %esi
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mov $__NR_futex, %eax
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syscall
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ret
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END(__futex_wake)
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// int __futex_syscall3(volatile void* ftx, int op, int count)
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ENTRY(__futex_syscall3)
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mov $__NR_futex, %eax
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syscall
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ret
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END(__futex_syscall3)
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// int __futex_syscall4(volatile void* ftx, int op, int val, const struct timespec* timeout)
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ENTRY(__futex_syscall4)
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mov %rcx, %r10 /* timeout */
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mov $__NR_futex, %eax
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syscall
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ret
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END(__futex_syscall4)
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