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 #include <stdbool.h> 10 11 #ifdef USE_HOSTCC 12 13 #if defined(__BEOS__) || \ 14 defined(__NetBSD__) || \ 15 defined(__FreeBSD__) || \ 16 defined(__sun__) || \ 17 defined(__APPLE__) 18 # include <inttypes.h> 19 #elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) || defined(__OpenBSD__) || defined(__DragonFly__) 20 # include <stdint.h> 21 #endif 22 23 #include <errno.h> 24 #include <stdlib.h> 25 #include <stdint.h> 26 #include <stdio.h> 27 #include <string.h> 28 29 #if !defined(__WIN32__) && !defined(__MINGW32__) 30 # include <sys/mman.h> 31 #endif 32 33 /* Not all systems (like Windows) has this define, and yes 34 * we do replace/emulate mmap() on those systems ... 35 */ 36 #ifndef MAP_FAILED 37 # define MAP_FAILED ((void *)-1) 38 #endif 39 40 #include <fcntl.h> 41 #ifndef O_BINARY /* should be define'd on __WIN32__ */ 42 #define O_BINARY 0 43 #endif 44 45 #ifdef __linux__ 46 # include <endian.h> 47 # include <byteswap.h> 48 #elif defined(__MACH__) || defined(__FreeBSD__) || defined(__DragonFly__) 49 # include <machine/endian.h> 50 #endif 51 #if defined(__FreeBSD__) || defined(__DragonFly__) 52 # include <sys/endian.h> /* htole32 and friends */ 53 #ifndef __BYTE_ORDER 54 # define __BYTE_ORDER BYTE_ORDER 55 # define __LITTLE_ENDIAN LITTLE_ENDIAN 56 # define __BIG_ENDIAN BIG_ENDIAN 57 #endif 58 #elif defined(__OpenBSD__) 59 # include <endian.h> 60 # define __BYTE_ORDER BYTE_ORDER 61 # define __LITTLE_ENDIAN LITTLE_ENDIAN 62 # define __BIG_ENDIAN BIG_ENDIAN 63 #endif 64 65 #include <time.h> 66 67 typedef uint8_t __u8; 68 typedef uint16_t __u16; 69 typedef uint32_t __u32; 70 typedef unsigned int uint; 71 typedef unsigned long ulong; 72 73 #define uswap_16(x) \ 74 ((((x) & 0xff00) >> 8) | \ 75 (((x) & 0x00ff) << 8)) 76 #define uswap_32(x) \ 77 ((((x) & 0xff000000) >> 24) | \ 78 (((x) & 0x00ff0000) >> 8) | \ 79 (((x) & 0x0000ff00) << 8) | \ 80 (((x) & 0x000000ff) << 24)) 81 #define _uswap_64(x, sfx) \ 82 ((((x) & 0xff00000000000000##sfx) >> 56) | \ 83 (((x) & 0x00ff000000000000##sfx) >> 40) | \ 84 (((x) & 0x0000ff0000000000##sfx) >> 24) | \ 85 (((x) & 0x000000ff00000000##sfx) >> 8) | \ 86 (((x) & 0x00000000ff000000##sfx) << 8) | \ 87 (((x) & 0x0000000000ff0000##sfx) << 24) | \ 88 (((x) & 0x000000000000ff00##sfx) << 40) | \ 89 (((x) & 0x00000000000000ff##sfx) << 56)) 90 #if defined(__GNUC__) 91 # define uswap_64(x) _uswap_64(x, ull) 92 #else 93 # define uswap_64(x) _uswap_64(x, ) 94 #endif 95 96 #if __BYTE_ORDER == __LITTLE_ENDIAN 97 # define cpu_to_le16(x) (x) 98 # define cpu_to_le32(x) (x) 99 # define cpu_to_le64(x) (x) 100 # define le16_to_cpu(x) (x) 101 # define le32_to_cpu(x) (x) 102 # define le64_to_cpu(x) (x) 103 # define cpu_to_be16(x) uswap_16(x) 104 # define cpu_to_be32(x) uswap_32(x) 105 # define cpu_to_be64(x) uswap_64(x) 106 # define be16_to_cpu(x) uswap_16(x) 107 # define be32_to_cpu(x) uswap_32(x) 108 # define be64_to_cpu(x) uswap_64(x) 109 #else 110 # define cpu_to_le16(x) uswap_16(x) 111 # define cpu_to_le32(x) uswap_32(x) 112 # define cpu_to_le64(x) uswap_64(x) 113 # define le16_to_cpu(x) uswap_16(x) 114 # define le32_to_cpu(x) uswap_32(x) 115 # define le64_to_cpu(x) uswap_64(x) 116 # define cpu_to_be16(x) (x) 117 # define cpu_to_be32(x) (x) 118 # define cpu_to_be64(x) (x) 119 # define be16_to_cpu(x) (x) 120 # define be32_to_cpu(x) (x) 121 # define be64_to_cpu(x) (x) 122 #endif 123 124 #else /* !USE_HOSTCC */ 125 126 /* Type for `void *' pointers. */ 127 typedef unsigned long int uintptr_t; 128 129 #include <linux/string.h> 130 #include <linux/types.h> 131 #include <asm/byteorder.h> 132 133 #if __SIZEOF_LONG__ == 8 134 # define __WORDSIZE 64 135 #elif __SIZEOF_LONG__ == 4 136 # define __WORDSIZE 32 137 #else 138 /* 139 * Assume 32-bit for now - only newer toolchains support this feature and 140 * this is only required for sandbox support at present. 141 */ 142 #define __WORDSIZE 32 143 #endif 144 145 #endif /* USE_HOSTCC */ 146 147 #define likely(x) __builtin_expect(!!(x), 1) 148 #define unlikely(x) __builtin_expect(!!(x), 0) 149 150 #ifdef __LP64__ 151 #define MEM_SUPPORT_64BIT_DATA 1 152 #else 153 #define MEM_SUPPORT_64BIT_DATA 0 154 #endif 155 host_build(void)156static inline bool host_build(void) { 157 #ifdef USE_HOSTCC 158 return true; 159 #else 160 return false; 161 #endif 162 } 163 164 #endif 165