| 1 | /* setjmp for ARC. |
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| 2 | Copyright (C) 2020-2024 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 | |
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| 20 | #include <sysdep.h> |
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| 21 | |
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| 22 | /* Upon entry r0 = jump buffer into which regs will be saved. */ |
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| 23 | ENTRY (setjmp) |
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| 24 | b.d __sigsetjmp |
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| 25 | mov r1, 1 /* save signals. */ |
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| 26 | END (setjmp) |
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| 27 | |
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| 28 | /* Upon entry r0 = jump buffer into which regs will be saved. */ |
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| 29 | ENTRY (_setjmp) |
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| 30 | b.d __sigsetjmp |
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| 31 | mov r1, 0 /* don't save signals. */ |
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| 32 | END (_setjmp) |
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| 33 | libc_hidden_def (_setjmp) |
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| 34 | |
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| 35 | /* Upon entry |
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| 36 | r0 = jump buffer into which regs will be saved |
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| 37 | r1 = do we need to save signals. */ |
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| 38 | ENTRY (__sigsetjmp) |
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| 39 | |
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| 40 | /* Make a note of where longjmp will return to. |
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| 41 | that will be right next to this setjmp call-site in BLINK |
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| 42 | since "C" caller of this routine will do a branch-n-link. */ |
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| 43 | |
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| 44 | STR (blink, r0, 0) |
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| 45 | STR (sp, r0, 1) |
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| 46 | STR (fp, r0, 2) |
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| 47 | STR (gp, r0, 3) |
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| 48 | |
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| 49 | STR (r13, r0, 4) |
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| 50 | STR (r14, r0, 5) |
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| 51 | STR (r15, r0, 6) |
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| 52 | STR (r16, r0, 7) |
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| 53 | STR (r17, r0, 8) |
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| 54 | STR (r18, r0, 9) |
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| 55 | STR (r19, r0, 10) |
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| 56 | STR (r20, r0, 11) |
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| 57 | STR (r21, r0, 12) |
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| 58 | STR (r22, r0, 13) |
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| 59 | STR (r23, r0, 14) |
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| 60 | STR (r24, r0, 15) |
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| 61 | |
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| 62 | b __sigjmp_save |
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| 63 | |
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| 64 | END (__sigsetjmp) |
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| 65 | |
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| 66 | libc_hidden_def (__sigsetjmp) |
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| 67 | |
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