| 1 | /* setjmp for SH4. |
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| 2 | Copyright (C) 1999-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <sysdep.h> |
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| 20 | #include <pointer_guard.h> |
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| 21 | #include <jmpbuf-offsets.h> |
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| 22 | |
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| 23 | ENTRY (__sigsetjmp) |
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| 24 | /* Save registers */ |
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| 25 | #ifdef __SH_FPU_ANY__ |
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| 26 | add #JB_SIZE, r4 |
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| 27 | fmov.s fr15, @-r4 |
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| 28 | fmov.s fr14, @-r4 |
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| 29 | fmov.s fr13, @-r4 |
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| 30 | fmov.s fr12, @-r4 |
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| 31 | sts.l fpscr, @-r4 |
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| 32 | #else |
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| 33 | add #(JB_SIZE - 4 * 5), r4 |
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| 34 | #endif /* __SH_FPU_ANY__ */ |
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| 35 | stc.l gbr, @-r4 |
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| 36 | #ifdef PTR_MANGLE |
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| 37 | sts pr, r2 |
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| 38 | PTR_MANGLE (r2, r1) |
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| 39 | mov.l r2, @-r4 |
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| 40 | mov r15, r2 |
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| 41 | PTR_MANGLE2 (r2, r1) |
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| 42 | mov.l r2, @-r4 |
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| 43 | mov r14, r2 |
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| 44 | PTR_MANGLE2 (r2, r1) |
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| 45 | mov.l r2, @-r4 |
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| 46 | mov #0, r1 |
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| 47 | #else |
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| 48 | sts.l pr, @-r4 |
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| 49 | mov.l r15, @-r4 |
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| 50 | mov.l r14, @-r4 |
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| 51 | #endif |
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| 52 | mov.l r13, @-r4 |
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| 53 | mov.l r12, @-r4 |
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| 54 | mov.l r11, @-r4 |
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| 55 | mov.l r10, @-r4 |
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| 56 | mov.l r9, @-r4 |
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| 57 | mov.l r8, @-r4 |
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| 58 | |
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| 59 | #if IS_IN (rtld) |
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| 60 | /* In ld.so we never save the signal mask. */ |
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| 61 | rts |
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| 62 | mov #0, r0 |
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| 63 | #else |
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| 64 | /* Make a tail call to __sigjmp_save; it takes the same args. */ |
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| 65 | # ifdef SHARED |
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| 66 | mov.l 1f, r1 |
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| 67 | mova 1f, r0 |
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| 68 | bra 2f |
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| 69 | add r1, r0 |
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| 70 | .align 2 |
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| 71 | 1: |
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| 72 | .long _GLOBAL_OFFSET_TABLE_ |
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| 73 | 2: |
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| 74 | mov.l .L1, r1 |
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| 75 | mov.l @(r0,r1), r1 |
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| 76 | jmp @r1 |
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| 77 | nop |
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| 78 | .align 2 |
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| 79 | .L1: |
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| 80 | .long C_SYMBOL_NAME(__sigjmp_save@GOT) |
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| 81 | # else |
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| 82 | mov.l .L1, r1 |
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| 83 | jmp @r1 |
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| 84 | nop |
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| 85 | .align 2 |
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| 86 | .L1: |
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| 87 | .long C_SYMBOL_NAME(__sigjmp_save) |
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| 88 | # endif |
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| 89 | #endif |
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| 90 | END (__sigsetjmp) |
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| 91 | hidden_def (__sigsetjmp) |
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| 92 | |
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