projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c76ff27 | 1 | /* longjmp for PowerPC. |
| b168057a | 2 | Copyright (C) 1995-2015 Free Software Foundation, Inc. |
| 5c76ff27 UD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 5c76ff27 UD |
18 | |
| 19 | #include <sysdep.h> | |
| eb5ad6b9 | 20 | #include <stap-probe.h> |
| 5c76ff27 | 21 | #define _ASM |
| 5c76ff27 UD |
22 | #ifdef __NO_VMX__ |
| 23 | # include <novmxsetjmp.h> | |
| 24 | #else | |
| a7140723 | 25 | # include <jmpbuf-offsets.h> |
| 5c76ff27 | 26 | #endif |
| 5c76ff27 | 27 | |
| 2e071de0 JM |
28 | #if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT) |
| 29 | # define LOAD_GP(N) evldd r##N,((JB_FPRS+((N)-14)*2)*4)(r3) | |
| 30 | #else | |
| 31 | # define LOAD_GP(N) lwz r##N,((JB_GPRS+(N)-14)*4)(r3) | |
| 32 | #endif | |
| 33 | ||
| eb5ad6b9 | 34 | ENTRY (__longjmp_symbol) |
| 5c76ff27 | 35 | |
| 0323b051 | 36 | #if defined PTR_DEMANGLE || defined CHECK_SP |
| 4a132246 | 37 | lwz r24,(JB_GPR1*4)(r3) |
| 15efafdf AS |
38 | # ifdef CHECK_SP |
| 39 | # ifdef PTR_DEMANGLE | |
| 40 | PTR_DEMANGLE3 (r24, r24, r25) | |
| 41 | # endif | |
| 42 | CHECK_SP (r24) | |
| 43 | mr r1,r24 | |
| 44 | # endif | |
| 4a132246 | 45 | #else |
| 5c76ff27 | 46 | lwz r1,(JB_GPR1*4)(r3) |
| 4a132246 | 47 | #endif |
| 5c76ff27 | 48 | lwz r0,(JB_LR*4)(r3) |
| 2e071de0 JM |
49 | LOAD_GP (14) |
| 50 | LOAD_GP (15) | |
| 51 | LOAD_GP (16) | |
| 52 | LOAD_GP (17) | |
| 53 | LOAD_GP (18) | |
| 54 | LOAD_GP (19) | |
| 55 | LOAD_GP (20) | |
| 00c2b3b9 | 56 | #ifdef PTR_DEMANGLE |
| 15efafdf | 57 | # ifndef CHECK_SP |
| 4a132246 | 58 | PTR_DEMANGLE3 (r1, r24, r25) |
| 0323b051 | 59 | # endif |
| 4a132246 | 60 | PTR_DEMANGLE2 (r0, r25) |
| 00c2b3b9 | 61 | #endif |
| eb5ad6b9 AZ |
62 | /* longjmp/longjmp_target probe expects longjmp first argument (4@3), |
| 63 | second argument (-4@4), and target address (4@0), respectively. */ | |
| 64 | LIBC_PROBE (longjmp, 3, 4@3, -4@4, 4@0) | |
| 5c76ff27 | 65 | mtlr r0 |
| 2e071de0 JM |
66 | LOAD_GP (21) |
| 67 | LOAD_GP (22) | |
| eb5ad6b9 | 68 | lwz r5,(JB_CR*4)(r3) |
| 2e071de0 JM |
69 | LOAD_GP (23) |
| 70 | LOAD_GP (24) | |
| 71 | LOAD_GP (25) | |
| eb5ad6b9 | 72 | mtcrf 0xFF,r5 |
| 2e071de0 JM |
73 | LOAD_GP (26) |
| 74 | LOAD_GP (27) | |
| 75 | LOAD_GP (28) | |
| 76 | LOAD_GP (29) | |
| 77 | LOAD_GP (30) | |
| 78 | LOAD_GP (31) | |
| eb5ad6b9 | 79 | LIBC_PROBE (longjmp_target, 3, 4@3, -4@4, 4@0) |
| 5c76ff27 UD |
80 | mr r3,r4 |
| 81 | blr | |
| eb5ad6b9 | 82 | END (__longjmp_symbol) |