blob: b1534436d5d457e219ac67b7851615d715a058fd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#ifdef __i386__
# define AK_ARCH_I386 1
#endif
#ifdef __x86_64__
# define AK_ARCH_X86_64 1
#endif
#ifdef __aarch64__
# define AK_ARCH_AARCH64 1
#endif
#if defined(__APPLE__) && defined(__MACH__)
# define AK_OS_MACOS
# define AK_OS_BSD_GENERIC
#endif
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
# define AK_OS_BSD_GENERIC
#endif
#define ARCH(arch) (defined(AK_ARCH_##arch) && AK_ARCH_##arch)
#if ARCH(I386) || ARCH(X86_64)
# define VALIDATE_IS_X86()
#else
# define VALIDATE_IS_X86() static_assert(false, "Trying to include x86 only header on non x86 platform");
#endif
#if !defined(__clang__) && !defined(__CLION_IDE_)
# define AK_HAS_CONDITIONALLY_TRIVIAL
#endif
#ifdef ALWAYS_INLINE
# undef ALWAYS_INLINE
#endif
#define ALWAYS_INLINE __attribute__((always_inline)) inline
#ifdef NEVER_INLINE
# undef NEVER_INLINE
#endif
#define NEVER_INLINE __attribute__((noinline))
#ifdef FLATTEN
# undef FLATTEN
#endif
#define FLATTEN __attribute__((flatten))
#ifdef RETURNS_NONNULL
# undef RETURNS_NONNULL
#endif
#define RETURNS_NONNULL __attribute__((returns_nonnull))
#ifdef NO_SANITIZE_ADDRESS
# undef NO_SANITIZE_ADDRESS
#endif
#define NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address))
#ifdef NAKED
# undef NAKED
#endif
#define NAKED __attribute__((naked))
#ifdef DISALLOW
# undef DISALLOW
#endif
#ifdef __clang__
# define DISALLOW(message) __attribute__((diagnose_if(1, message, "error")))
#else
# define DISALLOW(message) __attribute__((error(message)))
#endif
// GCC doesn't have __has_feature but clang does
#ifndef __has_feature
# define __has_feature(...) 0
#endif
#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
# define HAS_ADDRESS_SANITIZER
# define ASAN_POISON_MEMORY_REGION(addr, size) __asan_poison_memory_region(addr, size)
# define ASAN_UNPOISON_MEMORY_REGION(addr, size) __asan_unpoison_memory_region(addr, size)
#else
# define ASAN_POISON_MEMORY_REGION(addr, size)
# define ASAN_UNPOISON_MEMORY_REGION(addr, size)
#endif
#ifndef __serenity__
// On macOS (at least Mojave), Apple's version of this header is not wrapped
// in extern "C".
# ifdef AK_OS_MACOS
extern "C" {
# endif
# include <unistd.h>
# undef PAGE_SIZE
# define PAGE_SIZE sysconf(_SC_PAGESIZE)
# ifdef AK_OS_MACOS
};
# endif
#endif
#ifdef AK_OS_BSD_GENERIC
# define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC
# define CLOCK_REALTIME_COARSE CLOCK_REALTIME
#endif
#ifndef SYSTEM_CACHE_ALIGNMENT_SIZE
# if ARCH(AARCH64) || ARCH(x86_64)
# define SYSTEM_CACHE_ALIGNMENT_SIZE 64
# else
# define SYSTEM_CACHE_ALIGNMENT_SIZE 128
# endif
#endif /* SYSTEM_CACHE_ALIGNMENT_SIZE */
#ifdef CACHE_ALIGNED
# undef CACHE_ALIGNED
#endif
#define CACHE_ALIGNED alignas(SYSTEM_CACHE_ALIGNMENT_SIZE)
|
