sysdeps/sh/sh3/__longjmp.S

   1 /* longjmp for SH.
   2    Copyright (C) 1999, 2000 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <sysdep.h>
  21 #define _SETJMP_H
  22 #define _ASM
  23 #include <bits/setjmp.h>
  24
  25 /* __longjmp(jmpbuf, val) */
  26
  27 ENTRY (__longjmp)
  28         mov.l   @r4+, r8
  29         mov.l   @r4+, r9
  30         mov.l   @r4+, r10
  31         mov.l   @r4+, r11
  32         mov.l   @r4+, r12
  33         mov.l   @r4+, r13
  34         mov.l   @r4+, r14
  35         mov.l   @r4+, r15
  36         mov     r5, r0          /* get the return value in place */
  37         tst     r0, r0
  38         bf.s    1f
  39          lds.l  @r4+, pr
  40         mov     #1,r0           /* can't let setjmp() return zero! */
  41 1:
  42         rts
  43          ldc.l  @r4+, gbr
  44 END (__longjmp)