projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * Copyright (c) 1999 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 | ||
| 23 | /* void _longjmp(jmp_buf env, int val); */ | |
| 24 | ||
| 25 | /* int _longjmp(jmp_buf env); */ | |
| 26 | /* | |
| 27 | * Copyright (c) 1998 Apple Computer, Inc. All rights reserved. | |
| 28 | * | |
| 29 | * File: sys/ppc/_longjmp.s | |
| 30 | * | |
| 31 | * Implements _longjmp() | |
| 32 | * | |
| 33 | * History: | |
| 34 | * 8 September 1998 Matt Watson (mwatson@apple.com) | |
| 35 | * Created. Derived from longjmp.s | |
| 36 | */ | |
| 37 | #include "SYS.h" | |
| 38 | #include <architecture/ppc/asm_help.h> | |
| 39 | #include "_setjmp.h" | |
| 40 | ||
| 41 | LEAF(__longjmp) | |
| 42 | lwz r31, JMP_r31(r3) | |
| 43 | /* r1, r14-r30 */ | |
| 44 | lwz r1, JMP_r1 (r3) | |
| 45 | lwz r2, JMP_r2 (r3) | |
| 46 | lwz r13, JMP_r13(r3) | |
| 47 | lwz r14, JMP_r14(r3) | |
| 48 | lwz r15, JMP_r15(r3) | |
| 49 | lwz r16, JMP_r16(r3) | |
| 50 | lwz r17, JMP_r17(r3) | |
| 51 | lwz r18, JMP_r18(r3) | |
| 52 | lwz r19, JMP_r19(r3) | |
| 53 | lwz r20, JMP_r20(r3) | |
| 54 | lwz r21, JMP_r21(r3) | |
| 55 | lwz r22, JMP_r22(r3) | |
| 56 | lwz r23, JMP_r23(r3) | |
| 57 | lwz r24, JMP_r24(r3) | |
| 58 | lwz r25, JMP_r25(r3) | |
| 59 | lwz r26, JMP_r26(r3) | |
| 60 | lwz r27, JMP_r27(r3) | |
| 61 | lwz r28, JMP_r28(r3) | |
| 62 | lwz r29, JMP_r29(r3) | |
| 63 | lwz r30, JMP_r30(r3) | |
| 64 | lwz r0, JMP_cr(r3) | |
| 65 | mtcrf 0xff,r0 | |
| 66 | lwz r0, JMP_lr(r3) | |
| 67 | mtlr r0 | |
| 68 | lwz r0, JMP_ctr(r3) ; XXX ctr is volatile | |
| 69 | mtctr r0 | |
| 70 | lwz r0, JMP_xer(r3) ; XXX xer is volatile | |
| 71 | mtxer r0 | |
| 72 | mr. r3, r4 | |
| 73 | bnelr | |
| 74 | li r3, 1 | |
| 75 | blr | |
| 76 |