projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 9bccf70c | 2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
| 1c79356b A |
3 | * |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved. | |
| 23 | * | |
| 24 | * File: ppc/setjmp.h | |
| 25 | * | |
| 26 | * Declaration of setjmp routines and data structures. | |
| 27 | */ | |
| 28 | #ifndef _BSD_PPC_SETJMP_H_ | |
| 29 | #define _BSD_PPC_SETJMP_H_ | |
| 30 | ||
| 31 | #include <sys/cdefs.h> | |
| 32 | #include <machine/signal.h> | |
| 33 | ||
| 34 | struct _jmp_buf { | |
| 35 | struct sigcontext sigcontext; /* kernel state preserved by set/longjmp */ | |
| 36 | unsigned long vmask __attribute__((aligned(8))); /* vector mask register */ | |
| 37 | unsigned long vreg[32 * 4] __attribute__((aligned(16))); | |
| 38 | /* 32 128-bit vector registers */ | |
| 39 | }; | |
| 40 | ||
| 41 | /* | |
| 42 | * _JBLEN is number of ints required to save the following: | |
| 43 | * r1, r2, r13-r31, lr, cr, ctr, xer, sig == 26 ints | |
| 44 | * fr14 - fr31 = 18 doubles = 36 ints | |
| 45 | * vmask, 32 vector registers = 129 ints | |
| 46 | * 2 ints to get all the elements aligned | |
| 47 | */ | |
| 48 | ||
| 49 | #define _JBLEN (26 + 36 + 129 + 1) | |
| 50 | ||
| 51 | #if defined(KERNEL) | |
| 52 | typedef struct sigcontext jmp_buf[1]; | |
| 53 | typedef struct __sigjmp_buf { | |
| 54 | int __storage[_JBLEN + 1] __attribute__((aligned(8))); | |
| 55 | } sigjmp_buf[1]; | |
| 56 | #else | |
| 57 | typedef int jmp_buf[_JBLEN]; | |
| 58 | typedef int sigjmp_buf[_JBLEN + 1]; | |
| 59 | #endif | |
| 60 | ||
| 61 | __BEGIN_DECLS | |
| 62 | extern int setjmp __P((jmp_buf env)); | |
| 63 | extern void longjmp __P((jmp_buf env, int val)); | |
| 64 | ||
| 65 | #ifndef _ANSI_SOURCE | |
| 66 | int sigsetjmp __P((sigjmp_buf env, int val)); | |
| 67 | void siglongjmp __P((sigjmp_buf env, int val)); | |
| 68 | #endif /* _ANSI_SOURCE */ | |
| 69 | ||
| 70 | #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) | |
| 71 | int _setjmp __P((jmp_buf env)); | |
| 72 | void _longjmp __P((jmp_buf, int val)); | |
| 73 | void longjmperror __P((void)); | |
| 74 | #endif /* neither ANSI nor POSIX */ | |
| 75 | __END_DECLS | |
| 76 | ||
| 77 | #endif /* !_BSD_PPC_SETJMP_H_ */ |