/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
## .globl _OSCompareAndSwap
.globl _OSCompareAndSwapPtr
_OSCompareAndSwap:
_OSCompareAndSwapPtr:
movl 4(%esp), %eax # movl 12(%esp), %ecx # cmpxchgl %edx, 0(%ecx) # movzbl %al, %eax #
## .globl _OSCompareAndSwap64
_OSCompareAndSwap64:
pushl %edi
pushl %ebx
movl 4+8(%esp), %eax # movl 12+8(%esp), %ebx # movl 20+8(%esp), %edi # cmpxchg8b 0(%edi) # movzbl %al, %eax # popl %ebx
popl %edi
ret
## .globl _OSAddAtomic64
_OSAddAtomic64:
pushl %edi
pushl %ebx
movl 12+8(%esp), %edi # movl 4(%edi), %edx # movl %eax, %ebx
movl %edx, %ecx # adcl 8+8(%esp), %ecx # cmpxchg8b 0(%edi) # #; - success: old value in eax:edx
popl %ebx
popl %edi
ret
## .globl _OSAddAtomic
.globl _OSAddAtomicLong
_OSAddAtomic:
_OSAddAtomicLong:
movl 4(%esp), %eax # lock
xaddl %eax, 0(%ecx) #