projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 5d5c5d0d A |
2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
| 3 | * | |
| 8f6c56a5 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 8f6c56a5 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 8ad349bb | 24 | * limitations under the License. |
| 8f6c56a5 A |
25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 1c79356b A |
27 | */ |
| 28 | /* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. | |
| 29 | * | |
| 30 | * File: setjmp.h | |
| 31 | * | |
| 32 | * Declaration of setjmp routines and data structures. | |
| 33 | */ | |
| 34 | #ifndef _BSD_I386_SETJMP_H | |
| 35 | #define _BSD_I386_SETJMP_H | |
| 36 | ||
| 37 | #include <sys/cdefs.h> | |
| 91447636 | 38 | #include <machine/signal.h> |
| 1c79356b | 39 | |
| 89b3af67 A |
40 | |
| 41 | #if defined(__x86_64__) | |
| 42 | /* | |
| 43 | * _JBLEN is number of ints required to save the following: | |
| 44 | * rflags, rip, rbp, rsp, rbx, r12, r13, r14, r15... these are 8 bytes each | |
| 45 | * mxcsr, fp control word, sigmask... these are 4 bytes each | |
| 46 | * add 16 ints for future expansion needs... | |
| 47 | */ | |
| 48 | #define _JBLEN ((9 * 2) + 3 + 16) | |
| 49 | typedef int jmp_buf[_JBLEN]; | |
| 50 | typedef int sigjmp_buf[_JBLEN + 1]; | |
| 51 | ||
| 52 | #else | |
| 53 | ||
| 91447636 A |
54 | /* |
| 55 | * _JBLEN is number of ints required to save the following: | |
| 56 | * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip, | |
| 57 | * cs, de, es, fs, gs == 16 ints | |
| 58 | * onstack, mask = 2 ints | |
| 59 | */ | |
| 1c79356b | 60 | |
| 91447636 A |
61 | #if defined(KERNEL) |
| 62 | typedef struct sigcontext jmp_buf[1]; | |
| 1c79356b A |
63 | #define _JBLEN ((sizeof(struct sigcontext)) / sizeof(int)) |
| 64 | typedef int sigjmp_buf[_JBLEN+1]; | |
| 91447636 A |
65 | #else |
| 66 | #define _JBLEN (18) | |
| 67 | typedef int jmp_buf[_JBLEN]; | |
| 68 | typedef int sigjmp_buf[_JBLEN + 1]; | |
| 69 | #endif | |
| 70 | ||
| 89b3af67 | 71 | #endif |
| 1c79356b A |
72 | |
| 73 | __BEGIN_DECLS | |
| 91447636 A |
74 | extern int setjmp(jmp_buf env); |
| 75 | extern void longjmp(jmp_buf env, int val); | |
| 1c79356b A |
76 | |
| 77 | #ifndef _ANSI_SOURCE | |
| 91447636 A |
78 | int _setjmp(jmp_buf env); |
| 79 | void _longjmp(jmp_buf, int val); | |
| 80 | int sigsetjmp(sigjmp_buf env, int val); | |
| 81 | void siglongjmp(sigjmp_buf env, int val); | |
| 1c79356b A |
82 | #endif /* _ANSI_SOURCE */ |
| 83 | ||
| 91447636 A |
84 | #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) |
| 85 | void longjmperror(void); | |
| 1c79356b A |
86 | #endif /* neither ANSI nor POSIX */ |
| 87 | __END_DECLS | |
| 88 | #endif /* !_BSD_I386_SETJMP_H */ |