projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 734aad71 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. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 12 | * | |
| 13 | * The Original Code and all software distributed under the License are | |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| e9ce8d39 A |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 734aad71 A |
17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| e9ce8d39 A |
20 | * |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| 5b2abdfb A |
23 | #ifndef _BSD_SETJMP_H |
| 24 | #define _BSD_SETJMP_H | |
| 25 | ||
| ad3c9f2a A |
26 | #include <sys/cdefs.h> |
| 27 | ||
| 28 | #if defined(__x86_64__) | |
| 29 | /* | |
| 30 | * _JBLEN is number of ints required to save the following: | |
| 31 | * rflags, rip, rbp, rsp, rbx, r12, r13, r14, r15... these are 8 bytes each | |
| 32 | * mxcsr, fp control word, sigmask... these are 4 bytes each | |
| 33 | * add 16 ints for future expansion needs... | |
| 34 | */ | |
| 35 | #define _JBLEN ((9 * 2) + 3 + 16) | |
| 36 | typedef int jmp_buf[_JBLEN]; | |
| 37 | typedef int sigjmp_buf[_JBLEN + 1]; | |
| 38 | ||
| 39 | #elif defined(__i386__) | |
| 40 | ||
| 41 | /* | |
| 42 | * _JBLEN is number of ints required to save the following: | |
| 43 | * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip, | |
| 44 | * cs, de, es, fs, gs == 16 ints | |
| 45 | * onstack, mask = 2 ints | |
| 46 | */ | |
| 47 | ||
| 48 | #define _JBLEN (18) | |
| 49 | typedef int jmp_buf[_JBLEN]; | |
| 50 | typedef int sigjmp_buf[_JBLEN + 1]; | |
| 51 | ||
| 52 | #elif defined(__arm__) | |
| 53 | ||
| 54 | #include <machine/signal.h> | |
| 55 | ||
| 56 | /* | |
| 57 | * _JBLEN is number of ints required to save the following: | |
| 58 | * r4-r8, r10, fp, sp, lr, sig == 10 register_t sized | |
| 59 | * s16-s31 == 16 register_t sized + 1 int for FSTMX | |
| 60 | * 1 extra int for future use | |
| 61 | */ | |
| 62 | #define _JBLEN (10 + 16 + 2) | |
| 63 | #define _JBLEN_MAX _JBLEN | |
| 64 | ||
| 65 | typedef int jmp_buf[_JBLEN]; | |
| 66 | typedef int sigjmp_buf[_JBLEN + 1]; | |
| 67 | ||
| 68 | #else | |
| 69 | # error Undefined platform for setjmp | |
| 70 | #endif | |
| 71 | ||
| 72 | __BEGIN_DECLS | |
| 73 | extern int setjmp(jmp_buf); | |
| 74 | extern void longjmp(jmp_buf, int) __dead2; | |
| 75 | ||
| 76 | #ifndef _ANSI_SOURCE | |
| 77 | int _setjmp(jmp_buf); | |
| 78 | void _longjmp(jmp_buf, int) __dead2; | |
| 79 | int sigsetjmp(sigjmp_buf, int); | |
| 80 | void siglongjmp(sigjmp_buf, int) __dead2; | |
| 81 | #endif /* _ANSI_SOURCE */ | |
| 82 | ||
| 83 | #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) | |
| 84 | void longjmperror(void); | |
| 85 | #endif /* neither ANSI nor POSIX */ | |
| 86 | __END_DECLS | |
| 5b2abdfb A |
87 | |
| 88 | #endif /* _BSD_SETJMP_H */ |