/*
* Copyright (c) 1999-2007 Apple 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@
*/
/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. */
#include "SYS.h"
#if defined(__i386__)
.globl _errno
LEAF(___ptrace, 0)
xorl %eax,%eax
REG_TO_EXTERN(%eax,_errno)
UNIX_SYSCALL_NONAME(ptrace, 4, cerror)
ret
#elif defined(__x86_64__)
.globl _errno
LEAF(___ptrace, 0)
xorq %rax,%rax
PICIFY(_errno)
movl %eax,(%r11)
UNIX_SYSCALL_NONAME(ptrace, 4, cerror)
ret
UNWIND_EPILOGUE
#elif defined(__arm__)
MI_ENTRY_POINT(___ptrace)
MI_GET_ADDRESS(ip,_errno)
str r8, [sp, #-4]!
mov r8, #0
str r8, [ip]
ldr r8, [sp], #4
SYSCALL_NONAME(ptrace, 4, cerror)
bx lr
#elif defined(__arm64__)
MI_ENTRY_POINT(___ptrace)
MI_GET_ADDRESS(x9,_errno)
str wzr, [x9]
SYSCALL_NONAME(ptrace, 4, cerror)
ret
#else
#error Unsupported architecture
#endif