| 1 | /* Copyright (C) 1991-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <sysdep.h> |
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| 19 | #include <pointer_guard.h> |
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| 20 | #include <sys/trap.h> |
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| 21 | |
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| 22 | #include <jmpbuf-offsets.h> |
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| 23 | |
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| 24 | ENTRY(_setjmp) |
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| 25 | b 1f |
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| 26 | set 0, %o1 |
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| 27 | END(_setjmp) |
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| 28 | libc_hidden_def (_setjmp) |
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| 29 | |
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| 30 | ENTRY(setjmp) |
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| 31 | set 1, %o1 |
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| 32 | END(setjmp) |
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| 33 | |
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| 34 | ENTRY (__sigsetjmp) |
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| 35 | 1: |
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| 36 | /* Save our PC, SP and FP. Save the signal mask if requested with |
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| 37 | a tail-call for simplicity; it always returns zero. */ |
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| 38 | ta ST_FLUSH_WINDOWS |
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| 39 | |
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| 40 | #ifdef PTR_MANGLE |
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| 41 | PTR_MANGLE (%g1, %o7, %g4) |
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| 42 | PTR_MANGLE2 (%g2, %sp, %g4) |
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| 43 | PTR_MANGLE2 (%g3, %fp, %g4) |
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| 44 | st %g1, [%o0 + (JB_PC * 4)] |
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| 45 | st %g2, [%o0 + (JB_SP * 4)] |
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| 46 | st %g3, [%o0 + (JB_FP * 4)] |
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| 47 | #else |
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| 48 | st %o7, [%o0 + (JB_PC * 4)] |
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| 49 | st %sp, [%o0 + (JB_SP * 4)] |
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| 50 | st %fp, [%o0 + (JB_FP * 4)] |
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| 51 | #endif |
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| 52 | |
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| 53 | mov %o7, %g1 |
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| 54 | call __sigjmp_save |
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| 55 | mov %g1, %o7 |
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| 56 | END(__sigsetjmp) |
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| 57 | hidden_def (__sigsetjmp) |
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| 58 | |
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| 59 | weak_extern(_setjmp) |
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| 60 | weak_extern(setjmp) |
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| 61 | |
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