1/* 2 * Copyright (c) 2000-2002 Apple Computer, 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 * File: setjmp.h 31 * 32 * Declaration of setjmp routines and data structures. 33 */ 34#ifndef _BSD_I386_SETJMP_H 35#define _BSD_I386_SETJMP_H 36 37#include <sys/cdefs.h> 38 39#if defined(__x86_64__) 40/* 41 * _JBLEN is number of ints required to save the following: 42 * rflags, rip, rbp, rsp, rbx, r12, r13, r14, r15... these are 8 bytes each 43 * mxcsr, fp control word, sigmask... these are 4 bytes each 44 * add 16 ints for future expansion needs... 45 */ 46#define _JBLEN ((9 * 2) + 3 + 16) 47typedef int jmp_buf[_JBLEN]; 48typedef int sigjmp_buf[_JBLEN + 1]; 49 50#else 51 52/* 53 * _JBLEN is number of ints required to save the following: 54 * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip, 55 * cs, de, es, fs, gs == 16 ints 56 * onstack, mask = 2 ints 57 */ 58 59#if defined(KERNEL) 60 61#define __need_struct_sigcontext 62#include <i386/_structs.h> 63 64typedef struct sigcontext jmp_buf[1]; 65#define _JBLEN ((sizeof(struct sigcontext)) / sizeof(int)) 66typedef int sigjmp_buf[_JBLEN+1]; 67#else 68#define _JBLEN (18) 69typedef int jmp_buf[_JBLEN]; 70typedef int sigjmp_buf[_JBLEN + 1]; 71#endif 72 73#endif 74 75__BEGIN_DECLS 76int setjmp(jmp_buf); 77void longjmp(jmp_buf, int); 78 79#ifndef _ANSI_SOURCE 80int _setjmp(jmp_buf); 81void _longjmp(jmp_buf, int); 82int sigsetjmp(sigjmp_buf, int); 83void siglongjmp(sigjmp_buf, int); 84#endif /* _ANSI_SOURCE */ 85 86#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) 87void longjmperror(void); 88#endif /* neither ANSI nor POSIX */ 89__END_DECLS 90#endif /* !_BSD_I386_SETJMP_H */ 91