/* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_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> #include <machine/signal.h> struct _jmp_buf { 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 */ }; /* * _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 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_PPC_SETJMP_H_ */