sysdeps/sh/bits/setjmp.h

   1 /* Copyright (C) 1999, 2000, 2003, 2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /* Define the machine-dependent type `jmp_buf'.  SH version. */
  20 #ifndef _BITS_SETJMP_H
  21 #define _BITS_SETJMP_H  1
  22
  23 #if !defined _SETJMP_H && !defined _PTHREAD_H
  24 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  25 #endif
  26
  27 #ifndef _ASM
  28 typedef struct
  29   {
  30     /* Callee-saved registers r8 through r15.  */
  31     int __regs[8];
  32
  33     /* Program counter.  */
  34     void * __pc;
  35
  36     /* The global pointer.  */
  37     void * __gbr;
  38
  39     /* Floating point status register.  */
  40     int __fpscr;
  41
  42     /* Callee-saved floating point registers fr12 through fr15.  */
  43     int __fpregs[4];
  44   } __jmp_buf[1];
  45 #endif
  46
  47 #if defined __USE_MISC || defined _ASM
  48 # define JB_SIZE                (4 * 15)
  49 #endif
  50
  51 /* Test if longjmp to JMPBUF would unwind the frame
  52    containing a local variable at ADDRESS.  */
  53 #define _JMPBUF_UNWINDS(jmpbuf, address) \
  54   ((void *) (address) < (jmpbuf)[0].__regs[7])
  55
  56 #endif  /* bits/setjmp.h */