| 1 | /* setjmp for LoongArch. |
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| 2 | Copyright (C) 2022-2024 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 <sys/asm.h> |
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| 22 | |
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| 23 | ENTRY (_setjmp) |
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| 24 | li.w a1,0 |
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| 25 | b HIDDEN_JUMPTARGET (__sigsetjmp) |
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| 26 | END (_setjmp) |
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| 27 | |
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| 28 | ENTRY (setjmp) |
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| 29 | li.w a1,1 |
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| 30 | END (setjmp) |
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| 31 | |
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| 32 | ENTRY (__sigsetjmp) |
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| 33 | #ifdef PTR_MANGLE |
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| 34 | PTR_MANGLE (t0, ra, t1) |
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| 35 | REG_S t0, a0, 0*SZREG |
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| 36 | PTR_MANGLE2 (t0, sp, t1) |
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| 37 | REG_S t0, a0, 1*SZREG |
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| 38 | #else |
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| 39 | REG_S ra, a0, 0*SZREG |
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| 40 | REG_S sp, a0, 1*SZREG |
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| 41 | #endif |
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| 42 | REG_S x, a0, 2*SZREG |
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| 43 | REG_S fp, a0, 3*SZREG |
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| 44 | REG_S s0, a0, 4*SZREG |
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| 45 | REG_S s1, a0, 5*SZREG |
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| 46 | REG_S s2, a0, 6*SZREG |
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| 47 | REG_S s3, a0, 7*SZREG |
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| 48 | REG_S s4, a0, 8*SZREG |
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| 49 | REG_S s5, a0, 9*SZREG |
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| 50 | REG_S s6, a0, 10*SZREG |
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| 51 | REG_S s7, a0, 11*SZREG |
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| 52 | REG_S s8, a0, 12*SZREG |
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| 53 | |
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| 54 | #ifndef __loongarch_soft_float |
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| 55 | FREG_S fs0, a0, 13*SZREG + 0*SZFREG |
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| 56 | FREG_S fs1, a0, 13*SZREG + 1*SZFREG |
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| 57 | FREG_S fs2, a0, 13*SZREG + 2*SZFREG |
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| 58 | FREG_S fs3, a0, 13*SZREG + 3*SZFREG |
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| 59 | FREG_S fs4, a0, 13*SZREG + 4*SZFREG |
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| 60 | FREG_S fs5, a0, 13*SZREG + 5*SZFREG |
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| 61 | FREG_S fs6, a0, 13*SZREG + 6*SZFREG |
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| 62 | FREG_S fs7, a0, 13*SZREG + 7*SZFREG |
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| 63 | #endif |
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| 64 | |
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| 65 | #if !IS_IN (libc) && IS_IN(rtld) |
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| 66 | li.w v0, 0 |
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| 67 | jirl zero, ra, 0 |
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| 68 | #else |
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| 69 | b __sigjmp_save |
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| 70 | #endif |
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| 71 | END (__sigsetjmp) |
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| 72 | |
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| 73 | hidden_def (__sigsetjmp) |
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| 74 | weak_alias (_setjmp, __GI__setjmp) |
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| 75 | |
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