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
73
74
75
76
77
78
|
/* Copyright (C) 2001, 2002, 2003 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'. x86-64 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
#include <bits/wordsize.h>
#if __WORDSIZE == 64
/* We only need to save callee-saved registers plus stackpointer and
program counter. */
# if defined __USE_MISC || defined _ASM
# define JB_RBX 0
# define JB_RBP 1
# define JB_R12 2
# define JB_R13 3
# define JB_R14 4
# define JB_R15 5
# define JB_RSP 6
# define JB_PC 7
# define JB_SIZE (8*8)
# endif
#else
# if defined __USE_MISC || defined _ASM
# define JB_BX 0
# define JB_SI 1
# define JB_DI 2
# define JB_BP 3
# define JB_SP 4
# define JB_PC 5
# define JB_SIZE 24
# endif
#endif
#ifndef _ASM
# if __WORDSIZE == 64
typedef long int __jmp_buf[8];
# else
typedef int __jmp_buf[6];
# endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
# if __WORDSIZE == 64
# define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf)[JB_RSP])
# else
# define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf)[JB_SP])
# endif
#endif
#endif /* bits/setjmp.h */
|
GitWeb