| 1 | /* setjmp for SH3. |
|---|
| 2 | Copyright (C) 1999-2024 Free Software Foundation, Inc. |
|---|
| 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 |
|---|
| 16 | License along with the GNU C Library; if not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #include <sysdep.h> |
|---|
| 20 | #include <pointer_guard.h> |
|---|
| 21 | #include <jmpbuf-offsets.h> |
|---|
| 22 | |
|---|
| 23 | ENTRY (__sigsetjmp) |
|---|
| 24 | /* Save registers */ |
|---|
| 25 | add #(JB_SIZE - 4 * 5), r4 |
|---|
| 26 | stc.l gbr, @-r4 |
|---|
| 27 | #ifdef PTR_MANGLE |
|---|
| 28 | sts pr, r2 |
|---|
| 29 | PTR_MANGLE (r2, r1) |
|---|
| 30 | mov.l r2, @-r4 |
|---|
| 31 | mov r15, r2 |
|---|
| 32 | PTR_MANGLE2 (r2, r1) |
|---|
| 33 | mov.l r2, @-r4 |
|---|
| 34 | mov r14, r2 |
|---|
| 35 | PTR_MANGLE2 (r2, r1) |
|---|
| 36 | mov.l r2, @-r4 |
|---|
| 37 | mov #0, r1 |
|---|
| 38 | #else |
|---|
| 39 | sts.l pr, @-r4 |
|---|
| 40 | mov.l r15, @-r4 |
|---|
| 41 | mov.l r14, @-r4 |
|---|
| 42 | #endif |
|---|
| 43 | mov.l r13, @-r4 |
|---|
| 44 | mov.l r12, @-r4 |
|---|
| 45 | mov.l r11, @-r4 |
|---|
| 46 | mov.l r10, @-r4 |
|---|
| 47 | mov.l r9, @-r4 |
|---|
| 48 | mov.l r8, @-r4 |
|---|
| 49 | |
|---|
| 50 | #if IS_IN (rtld) |
|---|
| 51 | /* In ld.so we never save the signal mask. */ |
|---|
| 52 | rts |
|---|
| 53 | mov #0, r0 |
|---|
| 54 | #else |
|---|
| 55 | /* Make a tail call to __sigjmp_save; it takes the same args. */ |
|---|
| 56 | # ifdef SHARED |
|---|
| 57 | mov.l 1f, r1 |
|---|
| 58 | mova 1f, r0 |
|---|
| 59 | bra 2f |
|---|
| 60 | add r1, r0 |
|---|
| 61 | .align 2 |
|---|
| 62 | 1: |
|---|
| 63 | .long _GLOBAL_OFFSET_TABLE_ |
|---|
| 64 | 2: |
|---|
| 65 | mov.l .L1, r1 |
|---|
| 66 | mov.l @(r0,r1), r1 |
|---|
| 67 | jmp @r1 |
|---|
| 68 | nop |
|---|
| 69 | .align 2 |
|---|
| 70 | .L1: |
|---|
| 71 | .long C_SYMBOL_NAME(__sigjmp_save@GOT) |
|---|
| 72 | # else |
|---|
| 73 | mov.l .L1, r1 |
|---|
| 74 | jmp @r1 |
|---|
| 75 | nop |
|---|
| 76 | .align 2 |
|---|
| 77 | .L1: |
|---|
| 78 | .long C_SYMBOL_NAME(__sigjmp_save) |
|---|
| 79 | # endif |
|---|
| 80 | #endif |
|---|
| 81 | END (__sigsetjmp) |
|---|
| 82 | hidden_def (__sigsetjmp) |
|---|
| 83 | |
|---|
