blob: 9afc11be1942d6b9e2c4ba19ed059fd288447685 [file] [log] [blame]
Mike Frysinger37566092009-07-02 19:23:25 -04001/*
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
Mike Frysinger37566092009-07-02 19:23:25 -040028#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>
Jeroen Hofstee5bce5dc2011-07-19 10:41:48 +000047#elif defined(__MACH__) || defined(__FreeBSD__)
Mike Frysinger37566092009-07-02 19:23:25 -040048# include <machine/endian.h>
49typedef unsigned long ulong;
Mike Frysinger37566092009-07-02 19:23:25 -040050#endif
Jeroen Hofstee9d16e932014-06-25 23:02:21 +020051#include <time.h>
Mike Frysinger37566092009-07-02 19:23:25 -040052
53typedef uint8_t __u8;
54typedef uint16_t __u16;
55typedef uint32_t __u32;
Mike Frysingerb050c722010-04-20 05:49:30 -040056typedef unsigned int uint;
Mike Frysinger37566092009-07-02 19:23:25 -040057
58#define uswap_16(x) \
59 ((((x) & 0xff00) >> 8) | \
60 (((x) & 0x00ff) << 8))
61#define uswap_32(x) \
62 ((((x) & 0xff000000) >> 24) | \
63 (((x) & 0x00ff0000) >> 8) | \
64 (((x) & 0x0000ff00) << 8) | \
65 (((x) & 0x000000ff) << 24))
66#define _uswap_64(x, sfx) \
67 ((((x) & 0xff00000000000000##sfx) >> 56) | \
68 (((x) & 0x00ff000000000000##sfx) >> 40) | \
69 (((x) & 0x0000ff0000000000##sfx) >> 24) | \
70 (((x) & 0x000000ff00000000##sfx) >> 8) | \
71 (((x) & 0x00000000ff000000##sfx) << 8) | \
72 (((x) & 0x0000000000ff0000##sfx) << 24) | \
73 (((x) & 0x000000000000ff00##sfx) << 40) | \
74 (((x) & 0x00000000000000ff##sfx) << 56))
75#if defined(__GNUC__)
76# define uswap_64(x) _uswap_64(x, ull)
77#else
78# define uswap_64(x) _uswap_64(x, )
79#endif
80
81#if __BYTE_ORDER == __LITTLE_ENDIAN
82# define cpu_to_le16(x) (x)
83# define cpu_to_le32(x) (x)
84# define cpu_to_le64(x) (x)
85# define le16_to_cpu(x) (x)
86# define le32_to_cpu(x) (x)
87# define le64_to_cpu(x) (x)
88# define cpu_to_be16(x) uswap_16(x)
89# define cpu_to_be32(x) uswap_32(x)
90# define cpu_to_be64(x) uswap_64(x)
91# define be16_to_cpu(x) uswap_16(x)
92# define be32_to_cpu(x) uswap_32(x)
93# define be64_to_cpu(x) uswap_64(x)
94#else
95# define cpu_to_le16(x) uswap_16(x)
96# define cpu_to_le32(x) uswap_32(x)
97# define cpu_to_le64(x) uswap_64(x)
98# define le16_to_cpu(x) uswap_16(x)
99# define le32_to_cpu(x) uswap_32(x)
100# define le64_to_cpu(x) uswap_64(x)
101# define cpu_to_be16(x) (x)
102# define cpu_to_be32(x) (x)
103# define cpu_to_be64(x) (x)
104# define be16_to_cpu(x) (x)
105# define be32_to_cpu(x) (x)
106# define be64_to_cpu(x) (x)
107#endif
108
109#else /* !USE_HOSTCC */
110
111#include <linux/string.h>
112#include <linux/types.h>
113#include <asm/byteorder.h>
114
Simon Glassa7551a32011-09-23 06:22:06 +0000115#if __SIZEOF_LONG__ == 8
116# define __WORDSIZE 64
117#elif __SIZEOF_LONG__ == 4
118# define __WORDSIZE 32
119#else
120/*
121 * Assume 32-bit for now - only newer toolchains support this feature and
122 * this is only required for sandbox support at present.
123 */
124#define __WORDSIZE 32
125#endif
126
Simon Glassc9502f42011-11-04 06:42:35 +0000127/* Type for `void *' pointers. */
128typedef unsigned long int uintptr_t;
Mike Frysinger37566092009-07-02 19:23:25 -0400129
Simon Glassc9502f42011-11-04 06:42:35 +0000130#endif /* USE_HOSTCC */
Mike Frysinger37566092009-07-02 19:23:25 -0400131
Anton Vorontsovd8bc55a2009-09-01 20:58:03 +0400132/* compiler options */
133#define uninitialized_var(x) x = x
134
Matthias Kaehlckeb63815e2009-12-22 23:05:45 +0100135#define likely(x) __builtin_expect(!!(x), 1)
136#define unlikely(x) __builtin_expect(!!(x), 0)
137
Mike Frysinger37566092009-07-02 19:23:25 -0400138#endif