projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 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. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | /* | |
| 29 | * @OSF_COPYRIGHT@ | |
| 30 | */ | |
| 31 | ||
| 32 | #ifndef _PPC_SETJMP_H_ | |
| 33 | #define _PPC_SETJMP_H_ | |
| 34 | ||
| 35 | /* | |
| 36 | * We save the following registers (marked as non-volatile in the ELF spec) | |
| 37 | * | |
| 38 | * r1 - stack pointer | |
| 39 | * r13 - small data area pointer | |
| 40 | * r14-r30 - local variables | |
| 41 | * r31 - local variable/environment pointer | |
| 42 | * | |
| 43 | * cr - condition register | |
| 44 | * lr - link register (to know where to jump back to) | |
| 45 | * xer - fixed point exception register | |
| 46 | * | |
| 47 | * fpscr - floating point status and control | |
| 48 | * f14-f31 - local variables | |
| 49 | * | |
| 50 | * which comes to 57 words. We round up to 64 for good measure. | |
| 51 | */ | |
| 52 | ||
| 53 | typedef struct jmp_buf { | |
| 54 | int jmp_buf[64]; | |
| 55 | } jmp_buf_t; | |
| 56 | ||
| 57 | #endif /* _PPC_SETJMP_H_ */ |