| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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 |
| | 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 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. |
| | 20 | * |
| | 21 | * @APPLE_LICENSE_HEADER_END@ |
| | 22 | */ |
| | 23 | #ifndef _BSD_SETJMP_H |
| | 24 | #define _BSD_SETJMP_H |
| | 25 | |
| | 26 | #include <sys/cdefs.h> |
| | 27 | #include <Availability.h> |
| | 28 | |
| | 29 | #if defined(__x86_64__) |
| | 30 | /* |
| | 31 | * _JBLEN is number of ints required to save the following: |
| | 32 | * rflags, rip, rbp, rsp, rbx, r12, r13, r14, r15... these are 8 bytes each |
| | 33 | * mxcsr, fp control word, sigmask... these are 4 bytes each |
| | 34 | * add 16 ints for future expansion needs... |
| | 35 | */ |
| | 36 | #define _JBLEN ((9 * 2) + 3 + 16) |
| | 37 | typedef int jmp_buf[_JBLEN]; |
| | 38 | typedef int sigjmp_buf[_JBLEN + 1]; |
| | 39 | |
| | 40 | #elif defined(__i386__) |
| | 41 | |
| | 42 | /* |
| | 43 | * _JBLEN is number of ints required to save the following: |
| | 44 | * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip, |
| | 45 | * cs, de, es, fs, gs == 16 ints |
| | 46 | * onstack, mask = 2 ints |
| | 47 | */ |
| | 48 | |
| | 49 | #define _JBLEN (18) |
| | 50 | typedef int jmp_buf[_JBLEN]; |
| | 51 | typedef int sigjmp_buf[_JBLEN + 1]; |
| | 52 | |
| | 53 | #elif defined(__arm__) && !defined(__ARM_ARCH_7K__) |
| | 54 | |
| | 55 | #include <machine/signal.h> |
| | 56 | |
| | 57 | /* |
| | 58 | * _JBLEN is number of ints required to save the following: |
| | 59 | * r4-r8, r10, fp, sp, lr, sig == 10 register_t sized |
| | 60 | * s16-s31 == 16 register_t sized + 1 int for FSTMX |
| | 61 | * 1 extra int for future use |
| | 62 | */ |
| | 63 | #define _JBLEN (10 + 16 + 2) |
| | 64 | #define _JBLEN_MAX _JBLEN |
| | 65 | |
| | 66 | typedef int jmp_buf[_JBLEN]; |
| | 67 | typedef int sigjmp_buf[_JBLEN + 1]; |
| | 68 | |
| | 69 | #elif defined(__arm64__) || defined(__ARM_ARCH_7K__) |
| | 70 | /* |
| | 71 | * _JBLEN is the number of ints required to save the following: |
| | 72 | * r21-r29, sp, fp, lr == 12 registers, 8 bytes each. d8-d15 |
| | 73 | * are another 8 registers, each 8 bytes long. (aapcs64 specifies |
| | 74 | * that only 64-bit versions of FP registers need to be saved). |
| | 75 | * Finally, two 8-byte fields for signal handling purposes. |
| | 76 | */ |
| | 77 | #define _JBLEN ((14 + 8 + 2) * 2) |
| | 78 | |
| | 79 | typedef int jmp_buf[_JBLEN]; |
| | 80 | typedef int sigjmp_buf[_JBLEN + 1]; |
| | 81 | |
| | 82 | #else |
| | 83 | # error Undefined platform for setjmp |
| | 84 | #endif |
| | 85 | |
| | 86 | __BEGIN_DECLS |
| | 87 | extern int setjmp(jmp_buf); |
| | 88 | extern void longjmp(jmp_buf, int) __dead2; |
| | 89 | |
| | 90 | #ifndef _ANSI_SOURCE |
| | 91 | int _setjmp(jmp_buf); |
| | 92 | void _longjmp(jmp_buf, int) __dead2; |
| | 93 | int sigsetjmp(sigjmp_buf, int); |
| | 94 | void siglongjmp(sigjmp_buf, int) __dead2; |
| | 95 | #endif /* _ANSI_SOURCE */ |
| | 96 | |
| | 97 | #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
| | 98 | void longjmperror(void); |
| | 99 | #endif /* neither ANSI nor POSIX */ |
| | 100 | __END_DECLS |
| | 101 | |
| | 102 | #endif /* _BSD_SETJMP_H */ |
projects / apple / libplatform.git / blame_incremental