sysdeps/arm/fpu/bits/setjmp.h

   1 /* Copyright (C) 1997, 1998, 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'.  ARM version. */
  20
  21 #ifndef _BITS_SETJMP_H
  22 #define _BITS_SETJMP_H 1
  23
  24 #if !defined _SETJMP_H && !defined _PTHREAD_H
  25 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  26 #endif
  27
  28 #ifndef _ASM
  29 /* Jump buffer contains v1-v6, sl, fp, sp and pc.  Other registers are not
  30    saved.  */
  31 typedef int __jmp_buf[22];
  32 #endif
  33
  34 #define __JMP_BUF_SP            20
  35
  36 /* Test if longjmp to JMPBUF would unwind the frame
  37    containing a local variable at ADDRESS.  */
  38 #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
  39   ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
  40
  41 #endif