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
65
66
67
68
69
70
71
72
|
/* Define the machine-dependent type `jmp_buf'. Nios2 version.
Copyright (C) 1992,93,95,97,2000 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 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. */
#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
#ifndef _ASM
typedef struct
{
/* Callee-saved registers r16 through r23. */
unsigned long __regs[8];
/* Program counter. */
unsigned long __pc;
/* Stack pointer. */
unsigned long __sp;
/* The frame pointer. */
unsigned long __fp;
/* The global pointer. */
unsigned long __gp;
/* floating point regs, if any */
#if defined __HAVE_FPU__
unsigned long __fpregs[64];
#endif
} __jmp_buf[1];
#endif
#define JB_REGS 0
#define JB_PC 32
#define JB_SP 36
#define JB_FP 40
#define JB_GP 44
#define JB_FPREGS 48
#if defined __HAVE_FPU__
# define JB_SIZE 304
#else
# define JB_SIZE 48
#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)->__sp)
#endif /* bits/setjmp.h */
|