glibc/sysdeps/riscv/__longjmp.S

58 lines
1.7 KiB
ArmAsm

/* longjmp, RISC-V version.
Copyright (C) 1996-2023 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 <sys/asm.h>
ENTRY (__longjmp)
REG_L ra, 0*SZREG(a0)
REG_L s0, 1*SZREG(a0)
REG_L s1, 2*SZREG(a0)
REG_L s2, 3*SZREG(a0)
REG_L s3, 4*SZREG(a0)
REG_L s4, 5*SZREG(a0)
REG_L s5, 6*SZREG(a0)
REG_L s6, 7*SZREG(a0)
REG_L s7, 8*SZREG(a0)
REG_L s8, 9*SZREG(a0)
REG_L s9, 10*SZREG(a0)
REG_L s10,11*SZREG(a0)
REG_L s11,12*SZREG(a0)
REG_L sp, 13*SZREG(a0)
#ifndef __riscv_float_abi_soft
FREG_L fs0, 14*SZREG+ 0*SZFREG(a0)
FREG_L fs1, 14*SZREG+ 1*SZFREG(a0)
FREG_L fs2, 14*SZREG+ 2*SZFREG(a0)
FREG_L fs3, 14*SZREG+ 3*SZFREG(a0)
FREG_L fs4, 14*SZREG+ 4*SZFREG(a0)
FREG_L fs5, 14*SZREG+ 5*SZFREG(a0)
FREG_L fs6, 14*SZREG+ 6*SZFREG(a0)
FREG_L fs7, 14*SZREG+ 7*SZFREG(a0)
FREG_L fs8, 14*SZREG+ 8*SZFREG(a0)
FREG_L fs9, 14*SZREG+ 9*SZFREG(a0)
FREG_L fs10,14*SZREG+10*SZFREG(a0)
FREG_L fs11,14*SZREG+11*SZFREG(a0)
#endif
seqz a0, a1
add a0, a0, a1 # a0 = (a1 == 0) ? 1 : a1
ret
END (__longjmp)