1/* 2 * Copyright (c) 1999-2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. */ 29 30#include "SYS.h" 31 32#if defined(__i386__) 33 34 .globl _errno 35 36LEAF(___ptrace, 0) 37 xorl %eax,%eax 38 REG_TO_EXTERN(%eax,_errno) 39 UNIX_SYSCALL_NONAME(ptrace, 4, cerror) 40 ret 41 42#elif defined(__x86_64__) 43 44 .globl _errno 45 46LEAF(___ptrace, 0) 47 xorq %rax,%rax 48 PICIFY(_errno) 49 movl %eax,(%r11) 50 UNIX_SYSCALL_NONAME(ptrace, 4, cerror) 51 ret 52 53#elif defined(__arm__) 54 55MI_ENTRY_POINT(___ptrace) 56 MI_GET_ADDRESS(ip,_errno) 57 str r8, [sp, #-4]! 58 mov r8, #0 59 str r8, [ip] 60 ldr r8, [sp], #4 61 SYSCALL_NONAME(ptrace, 4) 62 bx lr 63 64#else 65#error Unsupported architecture 66#endif 67