-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcompiler.h
151 lines (130 loc) · 3.63 KB
/
compiler.h
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
* Keep all the ugly #ifdef for system stuff here
*/
#ifndef __COMPILER_H__
#define __COMPILER_H__
#include <stddef.h>
#ifdef USE_HOSTCC
#if defined(__BEOS__) || \
defined(__NetBSD__) || \
defined(__FreeBSD__) || \
defined(__sun__) || \
defined(__APPLE__)
# include <inttypes.h>
#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) || defined(__OpenBSD__)
# include <stdint.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#if !defined(__WIN32__) && !defined(__MINGW32__)
# include <sys/mman.h>
#endif
/* Not all systems (like Windows) has this define, and yes
* we do replace/emulate mmap() on those systems ...
*/
#ifndef MAP_FAILED
# define MAP_FAILED ((void *)-1)
#endif
#include <fcntl.h>
#ifndef O_BINARY /* should be define'd on __WIN32__ */
#define O_BINARY 0
#endif
#ifdef __linux__
# include <endian.h>
# include <byteswap.h>
#elif defined(__MACH__) || defined(__FreeBSD__)
# include <machine/endian.h>
#endif
#ifdef __FreeBSD__
# include <sys/endian.h> /* htole32 and friends */
# define __BYTE_ORDER BYTE_ORDER
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __BIG_ENDIAN BIG_ENDIAN
#elif defined(__OpenBSD__)
# include <endian.h>
# define __BYTE_ORDER BYTE_ORDER
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __BIG_ENDIAN BIG_ENDIAN
#endif
#include <time.h>
typedef uint8_t __u8;
typedef uint16_t __u16;
typedef uint32_t __u32;
typedef unsigned int uint;
typedef unsigned long ulong;
#define uswap_16(x) \
((((x) & 0xff00) >> 8) | \
(((x) & 0x00ff) << 8))
#define uswap_32(x) \
((((x) & 0xff000000) >> 24) | \
(((x) & 0x00ff0000) >> 8) | \
(((x) & 0x0000ff00) << 8) | \
(((x) & 0x000000ff) << 24))
#define _uswap_64(x, sfx) \
((((x) & 0xff00000000000000##sfx) >> 56) | \
(((x) & 0x00ff000000000000##sfx) >> 40) | \
(((x) & 0x0000ff0000000000##sfx) >> 24) | \
(((x) & 0x000000ff00000000##sfx) >> 8) | \
(((x) & 0x00000000ff000000##sfx) << 8) | \
(((x) & 0x0000000000ff0000##sfx) << 24) | \
(((x) & 0x000000000000ff00##sfx) << 40) | \
(((x) & 0x00000000000000ff##sfx) << 56))
#if defined(__GNUC__)
# define uswap_64(x) _uswap_64(x, ull)
#else
# define uswap_64(x) _uswap_64(x, )
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN
# define cpu_to_le16(x) (x)
# define cpu_to_le32(x) (x)
# define cpu_to_le64(x) (x)
# define le16_to_cpu(x) (x)
# define le32_to_cpu(x) (x)
# define le64_to_cpu(x) (x)
# define cpu_to_be16(x) uswap_16(x)
# define cpu_to_be32(x) uswap_32(x)
# define cpu_to_be64(x) uswap_64(x)
# define be16_to_cpu(x) uswap_16(x)
# define be32_to_cpu(x) uswap_32(x)
# define be64_to_cpu(x) uswap_64(x)
#else
# define cpu_to_le16(x) uswap_16(x)
# define cpu_to_le32(x) uswap_32(x)
# define cpu_to_le64(x) uswap_64(x)
# define le16_to_cpu(x) uswap_16(x)
# define le32_to_cpu(x) uswap_32(x)
# define le64_to_cpu(x) uswap_64(x)
# define cpu_to_be16(x) (x)
# define cpu_to_be32(x) (x)
# define cpu_to_be64(x) (x)
# define be16_to_cpu(x) (x)
# define be32_to_cpu(x) (x)
# define be64_to_cpu(x) (x)
#endif
#else /* !USE_HOSTCC */
/* Type for `void *' pointers. */
typedef unsigned long int uintptr_t;
#include <linux/string.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#if __SIZEOF_LONG__ == 8
# define __WORDSIZE 64
#elif __SIZEOF_LONG__ == 4
# define __WORDSIZE 32
#else
/*
* Assume 32-bit for now - only newer toolchains support this feature and
* this is only required for sandbox support at present.
*/
#define __WORDSIZE 32
#endif
#endif /* USE_HOSTCC */
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#ifdef __LP64__
#define MEM_SUPPORT_64BIT_DATA
#endif
#endif