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__) 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__) 49# include <machine/endian.h> 50#endif 51#ifdef __FreeBSD__ 52# include <sys/endian.h> /* htole32 and friends */ 53# define __BYTE_ORDER BYTE_ORDER 54# define __LITTLE_ENDIAN LITTLE_ENDIAN 55# define __BIG_ENDIAN BIG_ENDIAN 56#elif defined(__OpenBSD__) 57# include <endian.h> 58# define __BYTE_ORDER BYTE_ORDER 59# define __LITTLE_ENDIAN LITTLE_ENDIAN 60# define __BIG_ENDIAN BIG_ENDIAN 61#endif 62 63#include <time.h> 64 65typedef uint8_t __u8; 66typedef uint16_t __u16; 67typedef uint32_t __u32; 68typedef unsigned int uint; 69typedef unsigned long ulong; 70 71/* Define these on the host so we can build some target code */ 72typedef __u32 u32; 73 74#define uswap_16(x) \ 75 ((((x) & 0xff00) >> 8) | \ 76 (((x) & 0x00ff) << 8)) 77#define uswap_32(x) \ 78 ((((x) & 0xff000000) >> 24) | \ 79 (((x) & 0x00ff0000) >> 8) | \ 80 (((x) & 0x0000ff00) << 8) | \ 81 (((x) & 0x000000ff) << 24)) 82#define _uswap_64(x, sfx) \ 83 ((((x) & 0xff00000000000000##sfx) >> 56) | \ 84 (((x) & 0x00ff000000000000##sfx) >> 40) | \ 85 (((x) & 0x0000ff0000000000##sfx) >> 24) | \ 86 (((x) & 0x000000ff00000000##sfx) >> 8) | \ 87 (((x) & 0x00000000ff000000##sfx) << 8) | \ 88 (((x) & 0x0000000000ff0000##sfx) << 24) | \ 89 (((x) & 0x000000000000ff00##sfx) << 40) | \ 90 (((x) & 0x00000000000000ff##sfx) << 56)) 91#if defined(__GNUC__) 92# define uswap_64(x) _uswap_64(x, ull) 93#else 94# define uswap_64(x) _uswap_64(x, ) 95#endif 96 97#if __BYTE_ORDER == __LITTLE_ENDIAN 98# define cpu_to_le16(x) (x) 99# define cpu_to_le32(x) (x) 100# define cpu_to_le64(x) (x) 101# define le16_to_cpu(x) (x) 102# define le32_to_cpu(x) (x) 103# define le64_to_cpu(x) (x) 104# define cpu_to_be16(x) uswap_16(x) 105# define cpu_to_be32(x) uswap_32(x) 106# define cpu_to_be64(x) uswap_64(x) 107# define be16_to_cpu(x) uswap_16(x) 108# define be32_to_cpu(x) uswap_32(x) 109# define be64_to_cpu(x) uswap_64(x) 110#else 111# define cpu_to_le16(x) uswap_16(x) 112# define cpu_to_le32(x) uswap_32(x) 113# define cpu_to_le64(x) uswap_64(x) 114# define le16_to_cpu(x) uswap_16(x) 115# define le32_to_cpu(x) uswap_32(x) 116# define le64_to_cpu(x) uswap_64(x) 117# define cpu_to_be16(x) (x) 118# define cpu_to_be32(x) (x) 119# define cpu_to_be64(x) (x) 120# define be16_to_cpu(x) (x) 121# define be32_to_cpu(x) (x) 122# define be64_to_cpu(x) (x) 123#endif 124 125#else /* !USE_HOSTCC */ 126 127/* Type for `void *' pointers. */ 128typedef unsigned long int uintptr_t; 129 130#include <linux/string.h> 131#include <linux/types.h> 132#include <asm/byteorder.h> 133 134#if __SIZEOF_LONG__ == 8 135# define __WORDSIZE 64 136#elif __SIZEOF_LONG__ == 4 137# define __WORDSIZE 32 138#else 139/* 140 * Assume 32-bit for now - only newer toolchains support this feature and 141 * this is only required for sandbox support at present. 142 */ 143#define __WORDSIZE 32 144#endif 145 146#endif /* USE_HOSTCC */ 147 148#define likely(x) __builtin_expect(!!(x), 1) 149#define unlikely(x) __builtin_expect(!!(x), 0) 150 151#ifdef __LP64__ 152#define MEM_SUPPORT_64BIT_DATA 1 153#else 154#define MEM_SUPPORT_64BIT_DATA 0 155#endif 156 157/** 158 * tools_build() - check if we are building host tools 159 * 160 * Return: true if building for the host, false if for a target 161 */ 162static inline bool tools_build(void) 163{ 164#ifdef USE_HOSTCC 165 return true; 166#else 167 return false; 168#endif 169} 170 171#endif 172