/* * Copyright (c) 2000-2004 Apple Computer, 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) 1998 Apple Computer, Inc. All rights reserved. * * File: ppc/setjmp.h * * Declaration of setjmp routines and data structures. */ #ifndef _BSD_PPC_SETJMP_H_ #define _BSD_PPC_SETJMP_H_ #include <sys/cdefs.h> #define __need_struct_sigcontext #if defined(KERNEL) #define __need_struct_sigcontext32 #define __need_struct_sigcontext64 #endif /* KERNEL */ #include <ppc/_structs.h> struct _jmp_buf { #if __DARWIN_UNIX03 _STRUCT_SIGCONTEXT __sigcontext; /* kernel state preserved by set/longjmp */ unsigned int __vmask __attribute__((aligned(8))); /* vector mask register */ unsigned int __vreg[32 * 4] __attribute__((aligned(16))); /* 32 128-bit vector registers */ #else /* !__DARWIN_UNIX03 */ _STRUCT_SIGCONTEXT sigcontext; /* kernel state preserved by set/longjmp */ unsigned int vmask __attribute__((aligned(8))); /* vector mask register */ unsigned int vreg[32 * 4] __attribute__((aligned(16))); /* 32 128-bit vector registers */ #endif /* __DARWIN_UNIX03 */ }; /* * _JBLEN is number of ints required to save the following: * r1, r2, r13-r31, lr, cr, ctr, xer, sig == 26 register_t sized * fr14 - fr31 = 18 doubles * vmask, 32 vector registers = 129 ints * 2 ints to get all the elements aligned * * register_t is 2 ints for ppc64 threads */ #define _JBLEN64 (26*2 + 18*2 + 129 + 1) #define _JBLEN32 (26 + 18*2 + 129 + 1) #define _JBLEN_MAX _JBLEN64 /* * Locally scoped sizes */ #if defined(__ppc64__) #define _JBLEN _JBLEN64 #else #define _JBLEN _JBLEN32 #endif #if defined(KERNEL) typedef _STRUCT_SIGCONTEXT32 jmp_buf32[1]; typedef struct __sigjmp_buf32 { int __storage[_JBLEN32 + 1] __attribute__((aligned(8))); } sigjmp_buf32[1]; typedef struct sigcontext64 jmp_buf64[1]; typedef struct __sigjmp_buf64 { int __storage[_JBLEN64 + 1] __attribute__((aligned(8))); } sigjmp_buf64[1]; /* * JMM - have to decide how the kernel will deal with this. * For now, hard-code the 32-bit types. */ typedef _STRUCT_SIGCONTEXT32 jmp_buf[1]; typedef struct __sigjmp_buf32 sigjmp_buf[1]; #else typedef int jmp_buf[_JBLEN]; typedef int sigjmp_buf[_JBLEN + 1]; #endif __BEGIN_DECLS int setjmp(jmp_buf); void longjmp(jmp_buf, int); #ifndef _ANSI_SOURCE int _setjmp(jmp_buf); void _longjmp(jmp_buf, int); int sigsetjmp(sigjmp_buf, int); void siglongjmp(sigjmp_buf, int); #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_PPC_SETJMP_H_ */