sysdeps/sh/sh3/__longjmp.S

   1 /* longjmp for SH.
   2    Copyright (C) 1999-2019 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 #define _SETJMP_H
  21 #define _ASM
  22 #include <bits/setjmp.h>
  23
  24 /* __longjmp(jmpbuf, val) */
  25
  26 ENTRY (__longjmp)
  27         mov.l   @r4+, r8
  28         mov.l   @r4+, r9
  29         mov.l   @r4+, r10
  30         mov.l   @r4+, r11
  31         mov.l   @r4+, r12
  32         mov     r5, r0          /* get the return value in place */
  33         tst     r0, r0
  34         bf.s    1f
  35          mov.l  @r4+, r13
  36         mov     #1,r0           /* can't let setjmp() return zero! */
  37 1:
  38 #ifdef PTR_DEMANGLE
  39         mov.l   @r4+, r2
  40         PTR_DEMANGLE (r2, r1)
  41         mov     r2, r14
  42         mov.l   @r4+, r2
  43         PTR_DEMANGLE2 (r2, r1)
  44 # ifdef CHECK_SP
  45         CHECK_SP (r2)
  46 # endif
  47         mov     r2, r15
  48         mov.l   @r4+, r2
  49         PTR_DEMANGLE2 (r2, r1)
  50         lds     r2, pr
  51         mov     #0, r1
  52 #else
  53         mov.l   @r4+, r14
  54 # ifdef CHECK_SP
  55         mov.l   @r4, r2
  56         CHECK_SP (r2)
  57 # endif
  58         mov.l   @r4+, r15
  59         lds.l   @r4+, pr
  60 #endif
  61         rts
  62          ldc.l  @r4+, gbr
  63 END (__longjmp)