summaryrefslogtreecommitdiff
path: root/sysdeps/sh/bits/setjmp.h
blob: d5918f2ad08299b934857ca9fc2ee0c97394f331 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/* Define the machine-dependent type `jmp_buf'.  SH version. */

#ifndef _SETJMP_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif

#ifndef _ASM
typedef struct
  {
    /* Callee-saved registers r8 through r15.  */
    int __regs[8];

    /* Program counter.  */
    void * __pc;

    /* The global pointer.  */
    void * __gbr;

    /* Floating point status register.  */
    int __fpscr;

    /* Callee-saved floating point registers fr12 through fr15.  */
    int __fpregs[4];
  } __jmp_buf[1];
#endif

#define JB_SIZE		(4 * 15)

/* Test if longjmp to JMPBUF would unwind the frame
   containing a local variable at ADDRESS.  */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
  ((void *) (address) < &(jmpbuf)[0].__regs[7])