sysdeps/loongarch/__longjmp.S

   1 /* longjmp.
   2    Copyright (C) 2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20 #include <sys/asm.h>
  21
  22 ENTRY (__longjmp)
  23         REG_L ra, a0, 0*SZREG
  24         REG_L sp, a0, 1*SZREG
  25         REG_L x,  a0, 2*SZREG
  26         REG_L fp, a0, 3*SZREG
  27         REG_L s0, a0, 4*SZREG
  28         REG_L s1, a0, 5*SZREG
  29         REG_L s2, a0, 6*SZREG
  30         REG_L s3, a0, 7*SZREG
  31         REG_L s4, a0, 8*SZREG
  32         REG_L s5, a0, 9*SZREG
  33         REG_L s6, a0, 10*SZREG
  34         REG_L s7, a0, 11*SZREG
  35         REG_L s8, a0, 12*SZREG
  36
  37         FREG_L $f24, a0, 13*SZREG + 0*SZFREG
  38         FREG_L $f25, a0, 13*SZREG + 1*SZFREG
  39         FREG_L $f26, a0, 13*SZREG + 2*SZFREG
  40         FREG_L $f27, a0, 13*SZREG + 3*SZFREG
  41         FREG_L $f28, a0, 13*SZREG + 4*SZFREG
  42         FREG_L $f29, a0, 13*SZREG + 5*SZFREG
  43         FREG_L $f30, a0, 13*SZREG + 6*SZFREG
  44         FREG_L $f31, a0, 13*SZREG + 7*SZFREG
  45
  46         sltui   a0,a1,1
  47         ADD     a0, a0, a1       # a0 = (a1 == 0) ? 1 : a1
  48         jirl    zero,ra,0
  49
  50 END (__longjmp)