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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> | |
18 | #elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) | |
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 | ||
28 | extern int errno; | |
29 | ||
30 | #if !defined(__WIN32__) && !defined(__MINGW32__) | |
31 | # include <sys/mman.h> | |
32 | #endif | |
33 | ||
34 | /* Not all systems (like Windows) has this define, and yes | |
35 | * we do replace/emulate mmap() on those systems ... | |
36 | */ | |
37 | #ifndef MAP_FAILED | |
38 | # define MAP_FAILED ((void *)-1) | |
39 | #endif | |
40 | ||
41 | #include <fcntl.h> | |
42 | #ifndef O_BINARY /* should be define'd on __WIN32__ */ | |
43 | #define O_BINARY 0 | |
44 | #endif | |
45 | ||
46 | #ifdef __linux__ | |
47 | # include <endian.h> | |
48 | # include <byteswap.h> | |
49 | #elif defined(__MACH__) | |
50 | # include <machine/endian.h> | |
51 | typedef unsigned long ulong; | |
52 | typedef unsigned int uint; | |
53 | #endif | |
54 | ||
55 | typedef uint8_t __u8; | |
56 | typedef uint16_t __u16; | |
57 | typedef uint32_t __u32; | |
58 | ||
59 | #define uswap_16(x) \ | |
60 | ((((x) & 0xff00) >> 8) | \ | |
61 | (((x) & 0x00ff) << 8)) | |
62 | #define uswap_32(x) \ | |
63 | ((((x) & 0xff000000) >> 24) | \ | |
64 | (((x) & 0x00ff0000) >> 8) | \ | |
65 | (((x) & 0x0000ff00) << 8) | \ | |
66 | (((x) & 0x000000ff) << 24)) | |
67 | #define _uswap_64(x, sfx) \ | |
68 | ((((x) & 0xff00000000000000##sfx) >> 56) | \ | |
69 | (((x) & 0x00ff000000000000##sfx) >> 40) | \ | |
70 | (((x) & 0x0000ff0000000000##sfx) >> 24) | \ | |
71 | (((x) & 0x000000ff00000000##sfx) >> 8) | \ | |
72 | (((x) & 0x00000000ff000000##sfx) << 8) | \ | |
73 | (((x) & 0x0000000000ff0000##sfx) << 24) | \ | |
74 | (((x) & 0x000000000000ff00##sfx) << 40) | \ | |
75 | (((x) & 0x00000000000000ff##sfx) << 56)) | |
76 | #if defined(__GNUC__) | |
77 | # define uswap_64(x) _uswap_64(x, ull) | |
78 | #else | |
79 | # define uswap_64(x) _uswap_64(x, ) | |
80 | #endif | |
81 | ||
82 | #if __BYTE_ORDER == __LITTLE_ENDIAN | |
83 | # define cpu_to_le16(x) (x) | |
84 | # define cpu_to_le32(x) (x) | |
85 | # define cpu_to_le64(x) (x) | |
86 | # define le16_to_cpu(x) (x) | |
87 | # define le32_to_cpu(x) (x) | |
88 | # define le64_to_cpu(x) (x) | |
89 | # define cpu_to_be16(x) uswap_16(x) | |
90 | # define cpu_to_be32(x) uswap_32(x) | |
91 | # define cpu_to_be64(x) uswap_64(x) | |
92 | # define be16_to_cpu(x) uswap_16(x) | |
93 | # define be32_to_cpu(x) uswap_32(x) | |
94 | # define be64_to_cpu(x) uswap_64(x) | |
95 | #else | |
96 | # define cpu_to_le16(x) uswap_16(x) | |
97 | # define cpu_to_le32(x) uswap_32(x) | |
98 | # define cpu_to_le64(x) uswap_64(x) | |
99 | # define le16_to_cpu(x) uswap_16(x) | |
100 | # define le32_to_cpu(x) uswap_32(x) | |
101 | # define le64_to_cpu(x) uswap_64(x) | |
102 | # define cpu_to_be16(x) (x) | |
103 | # define cpu_to_be32(x) (x) | |
104 | # define cpu_to_be64(x) (x) | |
105 | # define be16_to_cpu(x) (x) | |
106 | # define be32_to_cpu(x) (x) | |
107 | # define be64_to_cpu(x) (x) | |
108 | #endif | |
109 | ||
110 | #else /* !USE_HOSTCC */ | |
111 | ||
112 | #include <linux/string.h> | |
113 | #include <linux/types.h> | |
114 | #include <asm/byteorder.h> | |
115 | ||
116 | /* Types for `void *' pointers. */ | |
117 | #if __WORDSIZE == 64 | |
118 | typedef unsigned long int uintptr_t; | |
119 | #else | |
120 | typedef unsigned int uintptr_t; | |
121 | #endif | |
122 | ||
123 | #endif | |
124 | ||
125 | #endif |