/* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_OSREFERENCE_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_LICENSE_OSREFERENCE_HEADER_END@ */ /* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. * * File: setjmp.h * * Declaration of setjmp routines and data structures. */ #ifndef _BSD_I386_SETJMP_H #define _BSD_I386_SETJMP_H #include <sys/cdefs.h> #include <machine/signal.h> #if defined(__x86_64__) /* * _JBLEN is number of ints required to save the following: * rflags, rip, rbp, rsp, rbx, r12, r13, r14, r15... these are 8 bytes each * mxcsr, fp control word, sigmask... these are 4 bytes each * add 16 ints for future expansion needs... */ #define _JBLEN ((9 * 2) + 3 + 16) typedef int jmp_buf[_JBLEN]; typedef int sigjmp_buf[_JBLEN + 1]; #else /* * _JBLEN is number of ints required to save the following: * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip, * cs, de, es, fs, gs == 16 ints * onstack, mask = 2 ints */ #if defined(KERNEL) typedef struct sigcontext jmp_buf[1]; #define _JBLEN ((sizeof(struct sigcontext)) / sizeof(int)) typedef int sigjmp_buf[_JBLEN+1]; #else #define _JBLEN (18) typedef int jmp_buf[_JBLEN]; typedef int sigjmp_buf[_JBLEN + 1]; #endif #endif __BEGIN_DECLS extern int setjmp(jmp_buf env); extern void longjmp(jmp_buf env, int val); #ifndef _ANSI_SOURCE int _setjmp(jmp_buf env); void _longjmp(jmp_buf, int val); int sigsetjmp(sigjmp_buf env, int val); void siglongjmp(sigjmp_buf env, int val); #endif /* _ANSI_SOURCE */ #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) void longjmperror(void); #endif /* neither ANSI nor POSIX */ __END_DECLS #endif /* !_BSD_I386_SETJMP_H */