glibc/sysdeps/loongarch/setjmp.S
2023-10-26 17:23:47 +08:00

75 lines
1.9 KiB
ArmAsm

/* setjmp for LoongArch.
Copyright (C) 2022-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <pointer_guard.h>
#include <sys/asm.h>
ENTRY (_setjmp)
li.w a1,0
b HIDDEN_JUMPTARGET (__sigsetjmp)
END (_setjmp)
ENTRY (setjmp)
li.w a1,1
END (setjmp)
ENTRY (__sigsetjmp)
#ifdef PTR_MANGLE
PTR_MANGLE (t0, ra, t1)
REG_S t0, a0, 0*SZREG
PTR_MANGLE2 (t0, sp, t1)
REG_S t0, a0, 1*SZREG
#else
REG_S ra, a0, 0*SZREG
REG_S sp, a0, 1*SZREG
#endif
REG_S x, a0, 2*SZREG
REG_S fp, a0, 3*SZREG
REG_S s0, a0, 4*SZREG
REG_S s1, a0, 5*SZREG
REG_S s2, a0, 6*SZREG
REG_S s3, a0, 7*SZREG
REG_S s4, a0, 8*SZREG
REG_S s5, a0, 9*SZREG
REG_S s6, a0, 10*SZREG
REG_S s7, a0, 11*SZREG
REG_S s8, a0, 12*SZREG
#ifndef __loongarch_soft_float
FREG_S fs0, a0, 13*SZREG + 0*SZFREG
FREG_S fs1, a0, 13*SZREG + 1*SZFREG
FREG_S fs2, a0, 13*SZREG + 2*SZFREG
FREG_S fs3, a0, 13*SZREG + 3*SZFREG
FREG_S fs4, a0, 13*SZREG + 4*SZFREG
FREG_S fs5, a0, 13*SZREG + 5*SZFREG
FREG_S fs6, a0, 13*SZREG + 6*SZFREG
FREG_S fs7, a0, 13*SZREG + 7*SZFREG
#endif
#if !IS_IN (libc) && IS_IN(rtld)
li.w v0, 0
jirl zero, ra, 0
#else
b __sigjmp_save
#endif
END (__sigsetjmp)
hidden_def (__sigsetjmp)
weak_alias (_setjmp, __GI__setjmp)