2 * Keep all the ugly #ifdef for system stuff here
12 #if defined(__BEOS__) || \
13 defined(__NetBSD__) || \
14 defined(__FreeBSD__) || \
17 # include <inttypes.h>
18 #elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) || defined(__OpenBSD__)
28 #if !defined(__WIN32__) && !defined(__MINGW32__)
29 # include <sys/mman.h>
32 /* Not all systems (like Windows) has this define, and yes
33 * we do replace/emulate mmap() on those systems ...
36 # define MAP_FAILED ((void *)-1)
40 #ifndef O_BINARY /* should be define'd on __WIN32__ */
46 # include <byteswap.h>
47 #elif defined(__MACH__) || defined(__FreeBSD__)
48 # include <machine/endian.h>
49 typedef unsigned long ulong;
52 # include <sys/endian.h> /* htole32 and friends */
53 #elif defined(__OpenBSD__)
60 typedef uint16_t __u16;
61 typedef uint32_t __u32;
62 typedef unsigned int uint;
65 ((((x) & 0xff00) >> 8) | \
66 (((x) & 0x00ff) << 8))
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))
82 # define uswap_64(x) _uswap_64(x, ull)
84 # define uswap_64(x) _uswap_64(x, )
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
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)
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)
128 #else /* !USE_HOSTCC */
130 #ifdef CONFIG_USE_STDINT
131 /* Provided by gcc. */
134 /* Type for `void *' pointers. */
135 typedef unsigned long int uintptr_t;
138 #include <linux/string.h>
139 #include <linux/types.h>
140 #include <asm/byteorder.h>
142 #if __SIZEOF_LONG__ == 8
143 # define __WORDSIZE 64
144 #elif __SIZEOF_LONG__ == 4
145 # define __WORDSIZE 32
148 * Assume 32-bit for now - only newer toolchains support this feature and
149 * this is only required for sandbox support at present.
151 #define __WORDSIZE 32
154 #endif /* USE_HOSTCC */
156 #define likely(x) __builtin_expect(!!(x), 1)
157 #define unlikely(x) __builtin_expect(!!(x), 0)