/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_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. 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_HEADER_END@ */ #ifndef _BSD_SETJMP_H #define _BSD_SETJMP_H #include <sys/cdefs.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]; #elif defined(__i386__) /* * _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 */ #define _JBLEN (18) typedef int jmp_buf[_JBLEN]; typedef int sigjmp_buf[_JBLEN + 1]; #elif defined(__arm__) #include <machine/signal.h> /* * _JBLEN is number of ints required to save the following: * r4-r8, r10, fp, sp, lr, sig == 10 register_t sized * s16-s31 == 16 register_t sized + 1 int for FSTMX * 1 extra int for future use */ #define _JBLEN (10 + 16 + 2) #define _JBLEN_MAX _JBLEN typedef int jmp_buf[_JBLEN]; typedef int sigjmp_buf[_JBLEN + 1]; #else # error Undefined platform for setjmp #endif __BEGIN_DECLS extern int setjmp(jmp_buf); extern void longjmp(jmp_buf, int) __dead2; #ifndef _ANSI_SOURCE int _setjmp(jmp_buf); void _longjmp(jmp_buf, int) __dead2; int sigsetjmp(sigjmp_buf, int); void siglongjmp(sigjmp_buf, int) __dead2; #endif /* _ANSI_SOURCE */ #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) void longjmperror(void); #endif /* neither ANSI nor POSIX */ __END_DECLS #endif /* _BSD_SETJMP_H */