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Commit | Line | Data |
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37566090 MF |
1 | /* |
2 | * Keep all the ugly #ifdef for system stuff here | |
3 | */ | |
4 | ||
5 | #ifndef __COMPILER_H__ | |
6 | #define __COMPILER_H__ | |
7 | ||
8 | #include <stddef.h> | |
9 | ||
10 | #ifdef USE_HOSTCC | |
11 | ||
12 | #if defined(__BEOS__) || \ | |
13 | defined(__NetBSD__) || \ | |
14 | defined(__FreeBSD__) || \ | |
15 | defined(__sun__) || \ | |
16 | defined(__APPLE__) | |
17 | # include <inttypes.h> | |
3715a540 | 18 | #elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) || defined(__OpenBSD__) |
37566090 MF |
19 | # include <stdint.h> |
20 | #endif | |
21 | ||
22 | #include <errno.h> | |
23 | #include <stdlib.h> | |
24 | #include <stdint.h> | |
25 | #include <stdio.h> | |
26 | #include <string.h> | |
27 | ||
37566090 MF |
28 | #if !defined(__WIN32__) && !defined(__MINGW32__) |
29 | # include <sys/mman.h> | |
30 | #endif | |
31 | ||
32 | /* Not all systems (like Windows) has this define, and yes | |
33 | * we do replace/emulate mmap() on those systems ... | |
34 | */ | |
35 | #ifndef MAP_FAILED | |
36 | # define MAP_FAILED ((void *)-1) | |
37 | #endif | |
38 | ||
39 | #include <fcntl.h> | |
40 | #ifndef O_BINARY /* should be define'd on __WIN32__ */ | |
41 | #define O_BINARY 0 | |
42 | #endif | |
43 | ||
44 | #ifdef __linux__ | |
45 | # include <endian.h> | |
46 | # include <byteswap.h> | |
5bce5dc3 | 47 | #elif defined(__MACH__) || defined(__FreeBSD__) |
37566090 MF |
48 | # include <machine/endian.h> |
49 | typedef unsigned long ulong; | |
37566090 | 50 | #endif |
ed8271d1 JH |
51 | #ifdef __FreeBSD__ |
52 | # include <sys/endian.h> /* htole32 and friends */ | |
3715a540 JG |
53 | #elif defined(__OpenBSD__) |
54 | # include <endian.h> | |
ed8271d1 JH |
55 | #endif |
56 | ||
9d16e93d | 57 | #include <time.h> |
37566090 MF |
58 | |
59 | typedef uint8_t __u8; | |
60 | typedef uint16_t __u16; | |
61 | typedef uint32_t __u32; | |
b050c72d | 62 | typedef unsigned int uint; |
37566090 MF |
63 | |
64 | #define uswap_16(x) \ | |
65 | ((((x) & 0xff00) >> 8) | \ | |
66 | (((x) & 0x00ff) << 8)) | |
67 | #define uswap_32(x) \ | |
68 | ((((x) & 0xff000000) >> 24) | \ | |
69 | (((x) & 0x00ff0000) >> 8) | \ | |
70 | (((x) & 0x0000ff00) << 8) | \ | |
71 | (((x) & 0x000000ff) << 24)) | |
72 | #define _uswap_64(x, sfx) \ | |
73 | ((((x) & 0xff00000000000000##sfx) >> 56) | \ | |
74 | (((x) & 0x00ff000000000000##sfx) >> 40) | \ | |
75 | (((x) & 0x0000ff0000000000##sfx) >> 24) | \ | |
76 | (((x) & 0x000000ff00000000##sfx) >> 8) | \ | |
77 | (((x) & 0x00000000ff000000##sfx) << 8) | \ | |
78 | (((x) & 0x0000000000ff0000##sfx) << 24) | \ | |
79 | (((x) & 0x000000000000ff00##sfx) << 40) | \ | |
80 | (((x) & 0x00000000000000ff##sfx) << 56)) | |
81 | #if defined(__GNUC__) | |
82 | # define uswap_64(x) _uswap_64(x, ull) | |
83 | #else | |
84 | # define uswap_64(x) _uswap_64(x, ) | |
85 | #endif | |
86 | ||
3715a540 JG |
87 | #if defined(__OpenBSD__) |
88 | #define cpu_to_le16(x) htole16(x) | |
89 | #define cpu_to_le32(x) htole32(x) | |
90 | #define cpu_to_le64(x) htole64(x) | |
91 | #define le16_to_cpu(x) letoh16(x) | |
92 | #define le32_to_cpu(x) letoh32(x) | |
93 | #define le64_to_cpu(x) letoh64(x) | |
94 | #define cpu_to_be16(x) htobe16(x) | |
95 | #define cpu_to_be32(x) htobe32(x) | |
96 | #define cpu_to_be64(x) htobe64(x) | |
97 | #define be16_to_cpu(x) betoh16(x) | |
98 | #define be32_to_cpu(x) betoh32(x) | |
99 | #define be64_to_cpu(x) betoh64(x) | |
100 | #elif __BYTE_ORDER == __LITTLE_ENDIAN | |
37566090 MF |
101 | # define cpu_to_le16(x) (x) |
102 | # define cpu_to_le32(x) (x) | |
103 | # define cpu_to_le64(x) (x) | |
104 | # define le16_to_cpu(x) (x) | |
105 | # define le32_to_cpu(x) (x) | |
106 | # define le64_to_cpu(x) (x) | |
107 | # define cpu_to_be16(x) uswap_16(x) | |
108 | # define cpu_to_be32(x) uswap_32(x) | |
109 | # define cpu_to_be64(x) uswap_64(x) | |
110 | # define be16_to_cpu(x) uswap_16(x) | |
111 | # define be32_to_cpu(x) uswap_32(x) | |
112 | # define be64_to_cpu(x) uswap_64(x) | |
113 | #else | |
114 | # define cpu_to_le16(x) uswap_16(x) | |
115 | # define cpu_to_le32(x) uswap_32(x) | |
116 | # define cpu_to_le64(x) uswap_64(x) | |
117 | # define le16_to_cpu(x) uswap_16(x) | |
118 | # define le32_to_cpu(x) uswap_32(x) | |
119 | # define le64_to_cpu(x) uswap_64(x) | |
120 | # define cpu_to_be16(x) (x) | |
121 | # define cpu_to_be32(x) (x) | |
122 | # define cpu_to_be64(x) (x) | |
123 | # define be16_to_cpu(x) (x) | |
124 | # define be32_to_cpu(x) (x) | |
125 | # define be64_to_cpu(x) (x) | |
126 | #endif | |
127 | ||
128 | #else /* !USE_HOSTCC */ | |
129 | ||
0d296cc2 GB |
130 | #ifdef CONFIG_USE_STDINT |
131 | /* Provided by gcc. */ | |
132 | #include <stdint.h> | |
2e680f92 YS |
133 | #else |
134 | /* Type for `void *' pointers. */ | |
135 | typedef unsigned long int uintptr_t; | |
0d296cc2 GB |
136 | #endif |
137 | ||
37566090 MF |
138 | #include <linux/string.h> |
139 | #include <linux/types.h> | |
140 | #include <asm/byteorder.h> | |
141 | ||
a7551a3f SG |
142 | #if __SIZEOF_LONG__ == 8 |
143 | # define __WORDSIZE 64 | |
144 | #elif __SIZEOF_LONG__ == 4 | |
145 | # define __WORDSIZE 32 | |
146 | #else | |
147 | /* | |
148 | * Assume 32-bit for now - only newer toolchains support this feature and | |
149 | * this is only required for sandbox support at present. | |
150 | */ | |
151 | #define __WORDSIZE 32 | |
152 | #endif | |
153 | ||
c9502f49 | 154 | #endif /* USE_HOSTCC */ |
37566090 | 155 | |
b63815e3 MK |
156 | #define likely(x) __builtin_expect(!!(x), 1) |
157 | #define unlikely(x) __builtin_expect(!!(x), 0) | |
158 | ||
37566090 | 159 | #endif |