mirror of
https://github.com/LadybirdBrowser/ladybird.git
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210 lines
4.8 KiB
C
210 lines
4.8 KiB
C
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Nico Weber <thakis@chromium.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#ifndef USING_AK_GLOBALLY
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# define USING_AK_GLOBALLY 1
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#endif
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#ifdef __i386__
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# define AK_ARCH_I386 1
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#endif
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#ifdef __x86_64__
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# define AK_ARCH_X86_64 1
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#endif
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#ifdef __aarch64__
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# define AK_ARCH_AARCH64 1
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#endif
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#ifdef __wasm32__
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# define AK_ARCH_WASM32 1
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#endif
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#if (defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ == 8) || defined(_WIN64)
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# define AK_ARCH_64_BIT
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#else
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# define AK_ARCH_32_BIT
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#endif
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#if defined(__clang__)
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# define AK_COMPILER_CLANG
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#elif defined(__GNUC__)
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# define AK_COMPILER_GCC
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#endif
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#if defined(__serenity__)
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# define AK_OS_SERENITY
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#endif
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#if defined(__linux__)
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# define AK_OS_LINUX
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#endif
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#if defined(__APPLE__) && defined(__MACH__)
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# define AK_OS_MACOS
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# define AK_OS_BSD_GENERIC
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#endif
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#if defined(__FreeBSD__)
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# define AK_OS_BSD_GENERIC
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# define AK_OS_FREEBSD
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#endif
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#if defined(__NetBSD__)
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# define AK_OS_BSD_GENERIC
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# define AK_OS_NETBSD
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#endif
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#if defined(__OpenBSD__)
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# define AK_OS_BSD_GENERIC
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# define AK_OS_OPENBSD
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#endif
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#if defined(__DragonFly__)
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# define AK_OS_BSD_GENERIC
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# define AK_OS_DRAGONFLY
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#endif
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#if defined(_WIN32) || defined(_WIN64)
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# define AK_OS_WINDOWS
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#endif
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#if defined(__ANDROID__)
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# define STR(x) __STR(x)
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# define __STR(x) #x
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# if __ANDROID_API__ < 30
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# pragma message "Invalid android API " STR(__ANDROID_API__)
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# error "Build configuration not tested on configured Android API version"
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# endif
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# undef STR
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# undef __STR
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# define AK_OS_ANDROID
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#endif
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#if defined(__EMSCRIPTEN__)
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# define AK_OS_EMSCRIPTEN
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#endif
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#define ARCH(arch) (defined(AK_ARCH_##arch) && AK_ARCH_##arch)
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#if ARCH(I386) || ARCH(X86_64)
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# define VALIDATE_IS_X86()
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#else
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# define VALIDATE_IS_X86() static_assert(false, "Trying to include x86 only header on non x86 platform");
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#endif
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#if ARCH(AARCH64)
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# define VALIDATE_IS_AARCH64()
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#else
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# define VALIDATE_IS_AARCH64() static_assert(false, "Trying to include aarch64 only header on non aarch64 platform");
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#endif
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#if !defined(AK_COMPILER_CLANG) && !defined(__CLION_IDE_) && !defined(__CLION_IDE__)
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# define AK_HAS_CONDITIONALLY_TRIVIAL
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#endif
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#ifdef ALWAYS_INLINE
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# undef ALWAYS_INLINE
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#endif
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#define ALWAYS_INLINE __attribute__((always_inline)) inline
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#ifdef NEVER_INLINE
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# undef NEVER_INLINE
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#endif
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#define NEVER_INLINE __attribute__((noinline))
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#ifdef FLATTEN
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# undef FLATTEN
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#endif
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#define FLATTEN __attribute__((flatten))
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#ifdef RETURNS_NONNULL
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# undef RETURNS_NONNULL
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#endif
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#define RETURNS_NONNULL __attribute__((returns_nonnull))
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#ifdef NO_SANITIZE_ADDRESS
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# undef NO_SANITIZE_ADDRESS
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#endif
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#define NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address))
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#ifdef NAKED
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# undef NAKED
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#endif
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#ifndef AK_ARCH_AARCH64
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# define NAKED __attribute__((naked))
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#else
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# define NAKED
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#endif
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#ifdef DISALLOW
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# undef DISALLOW
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#endif
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#if defined(AK_COMPILER_CLANG)
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# define DISALLOW(message) __attribute__((diagnose_if(1, message, "error")))
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#else
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# define DISALLOW(message) __attribute__((error(message)))
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#endif
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// GCC doesn't have __has_feature but clang does
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#ifndef __has_feature
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# define __has_feature(...) 0
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#endif
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#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
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# define HAS_ADDRESS_SANITIZER
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# define ASAN_POISON_MEMORY_REGION(addr, size) __asan_poison_memory_region(addr, size)
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# define ASAN_UNPOISON_MEMORY_REGION(addr, size) __asan_unpoison_memory_region(addr, size)
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#else
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# define ASAN_POISON_MEMORY_REGION(addr, size)
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# define ASAN_UNPOISON_MEMORY_REGION(addr, size)
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#endif
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#ifndef AK_OS_SERENITY
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# ifdef AK_OS_WINDOWS
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// FIXME: No idea where to get this, but it's 4096 anyway :^)
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# define PAGE_SIZE 4096
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// On macOS (at least Mojave), Apple's version of this header is not wrapped
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// in extern "C".
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# else
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# if defined(AK_OS_MACOS)
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extern "C" {
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# endif
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# include <unistd.h>
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# undef PAGE_SIZE
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# define PAGE_SIZE sysconf(_SC_PAGESIZE)
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# ifdef AK_OS_MACOS
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}
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# endif
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# endif
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#endif
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#if defined(AK_OS_WINDOWS)
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# define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC
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#endif
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#if defined(AK_OS_BSD_GENERIC) && !defined(AK_OS_FREEBSD)
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# define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC
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# define CLOCK_REALTIME_COARSE CLOCK_REALTIME
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#endif
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#ifndef AK_SYSTEM_CACHE_ALIGNMENT_SIZE
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# if ARCH(AARCH64) || ARCH(x86_64)
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# define AK_SYSTEM_CACHE_ALIGNMENT_SIZE 64
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# else
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# define AK_SYSTEM_CACHE_ALIGNMENT_SIZE 128
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# endif
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#endif /* AK_SYSTEM_CACHE_ALIGNMENT_SIZE */
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#ifdef AK_CACHE_ALIGNED
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# undef AK_CACHE_ALIGNED
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#endif
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#define AK_CACHE_ALIGNED alignas(AK_SYSTEM_CACHE_ALIGNMENT_SIZE)
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