| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 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 int vmask __attribute__((aligned(8))); /* vector mask register */ |
| | 37 | unsigned int 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 register_t sized |
| | 44 | * fr14 - fr31 = 18 doubles |
| | 45 | * vmask, 32 vector registers = 129 ints |
| | 46 | * 2 ints to get all the elements aligned |
| | 47 | * |
| | 48 | * register_t is 2 ints for ppc64 threads |
| | 49 | */ |
| | 50 | #define _JBLEN64 (26*2 + 18*2 + 129 + 1) |
| | 51 | #define _JBLEN32 (26 + 18*2 + 129 + 1) |
| | 52 | #define _JBLEN_MAX _JBLEN64 |
| | 53 | |
| | 54 | /* |
| | 55 | * Locally scoped sizes |
| | 56 | */ |
| | 57 | #if defined(__ppc64__) |
| | 58 | #define _JBLEN _JBLEN64 |
| | 59 | #else |
| | 60 | #define _JBLEN _JBLEN32 |
| | 61 | #endif |
| | 62 | |
| | 63 | #if defined(KERNEL) |
| | 64 | typedef struct sigcontext32 jmp_buf32[1]; |
| | 65 | typedef struct __sigjmp_buf32 { |
| | 66 | int __storage[_JBLEN32 + 1] __attribute__((aligned(8))); |
| | 67 | } sigjmp_buf32[1]; |
| | 68 | |
| | 69 | typedef struct sigcontext64 jmp_buf64[1]; |
| | 70 | typedef struct __sigjmp_buf64 { |
| | 71 | int __storage[_JBLEN64 + 1] __attribute__((aligned(8))); |
| | 72 | } sigjmp_buf64[1]; |
| | 73 | |
| | 74 | /* |
| | 75 | * JMM - have to decide how the kernel will deal with this. |
| | 76 | * For now, hard-code the 32-bit types. |
| | 77 | */ |
| | 78 | typedef struct sigcontext32 jmp_buf[1]; |
| | 79 | typedef struct __sigjmp_buf32 sigjmp_buf[1]; |
| | 80 | |
| | 81 | #else |
| | 82 | typedef int jmp_buf[_JBLEN]; |
| | 83 | typedef int sigjmp_buf[_JBLEN + 1]; |
| | 84 | #endif |
| | 85 | |
| | 86 | __BEGIN_DECLS |
| | 87 | extern int setjmp(jmp_buf env); |
| | 88 | extern void longjmp(jmp_buf env, int val); |
| | 89 | |
| | 90 | #ifndef _ANSI_SOURCE |
| | 91 | int _setjmp(jmp_buf env); |
| | 92 | void _longjmp(jmp_buf, int val); |
| | 93 | int sigsetjmp(sigjmp_buf env, int val); |
| | 94 | void siglongjmp(sigjmp_buf env, int val); |
| | 95 | #endif /* _ANSI_SOURCE */ |
| | 96 | |
| | 97 | #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) |
| | 98 | void longjmperror(void); |
| | 99 | #endif /* neither ANSI nor POSIX */ |
| | 100 | __END_DECLS |
| | 101 | |
| | 102 | #endif /* !_BSD_PPC_SETJMP_H_ */ |
projects / apple / xnu.git / blame_incremental