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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
/* Copyright (C) 1997,1998,2005,2006 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; 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'. m68k version. */
#ifndef _BITS_SETJMP_H
#define _BITS_SETJMP_H 1
#if !defined _SETJMP_H && !defined _PTHREAD_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
typedef struct
{
/* There are eight 4-byte data registers, but D0 is not saved. */
long int __dregs[7];
/* There are six 4-byte address registers, plus the FP and SP. */
int *__aregs[6];
int *__fp;
int *__sp;
#if defined __HAVE_68881__ || defined __HAVE_FPU__
/* There are eight floating point registers which
are saved in IEEE 96-bit extended format. */
char __fpregs[8 * (96 / 8)];
#endif
} __jmp_buf[1];
#define JB_REGS 0
#define JB_DREGS 0
#define JB_AREGS 24
#define JB_PC 48
#define JB_FPREGS 52
#if defined __HAVE_68881__ || defined __HAVE_FPU__
# define JB_SIZE 76
#else
# define JB_SIZE 52
#endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf)->__aregs[5])
#endif /* bits/setjmp.h */
|
