// Copyright 2024 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef PARTITION_ALLOC_BUILD_CONFIG_H_ #define PARTITION_ALLOC_BUILD_CONFIG_H_ // This file is derived from chromium's //build/build_config.h. // // Differences: // - Only the definition used by partition_alloc are included. // - The definition can only be consumed PA_BUILDFLAG(...) macro. This avoids // silent failure when developers forget to include this file. This avoids the // need of a PRESUBMIT.py to enforce the inclusion of this file. // // // This files contains the following definition: // // Operating system: // IS_IOS / IS_AIX / IS_ANDROID / IS_ASMJS / IS_FREEBSD / IS_FUCHSIA / // IS_LINUX / IS_MAC / IS_NACL / IS_NETBSD / IS_OPENBSD / IS_QNX / // IS_SOLARIS / IS_WIN // // Operating system family: // IS_APPLE / IS_BSD / IS_POSIX // // Compiler: // PA_COMPILER_GCC / PA_COMPILER_MSVC // // Processor: // PA_ARCH_CPU_ARM64 / PA_ARCH_CPU_ARMEL / PA_ARCH_CPU_BIG_ENDIAN / // PA_ARCH_CPU_LITTLE_ENDIAN / PA_ARCH_CPU_MIPS / PA_ARCH_CPU_MIPS64 / // PA_ARCH_CPU_MIPS64EL / PA_ARCH_CPU_MIPSEL / PA_ARCH_CPU_PPC64 / // PA_ARCH_CPU_RISCV64 / PA_ARCH_CPU_S390 / PA_ARCH_CPU_S390X / // PA_ARCH_CPU_X86 / PA_ARCH_CPU_X86_64 // // Processor Family: // PA_ARCH_CPU_32_BITS / PA_ARCH_CPU_64_BITS / PA_ARCH_CPU_ARM_FAMILY / // PA_ARCH_CPU_LOONGPA_ARCH64 / PA_ARCH_CPU_PPC64_FAMILY / // PA_ARCH_CPU_S390_FAMILY / PA_ARCH_CPU_X86_FAMILY // // Compiler: // PA_COMPILER_GCC / PA_COMPILER_MSVC // // Standard library: // PA_LIBC_GLIBC // Definition of PA_BUILDFLAG(...) macro. #include "partition_alloc/buildflag.h" // IWYU pragma: export // Definition of PA_BUILDFLAG(IS_CHROMEOS). #include "partition_alloc/buildflags.h" // IWYU pragma: export // Clangd does not detect PA_BUILDFLAG_INTERNAL_* indirect usage, so mark the // header as "always_keep" to avoid "unused include" warning. // // IWYU pragma: always_keep // A set of macros to use for platform detection. #if defined(__native_client__) // __native_client__ must be first, so that other IS_ defines are not set. #define PA_IS_NACL #elif defined(ANDROID) #define PA_IS_ANDROID #elif defined(__APPLE__) // Only include TargetConditionals after testing ANDROID as some Android builds // on the Mac have this header available and it's not needed unless the target // is really an Apple platform. #include <TargetConditionals.h> #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE #define PA_IS_IOS #else #define PA_IS_MAC #endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE #elif defined(__linux__) #if !PA_BUILDFLAG(IS_CHROMEOS) // Do not define PA_IS_LINUX on Chrome OS build. // The IS_CHROMEOS PA_BUILDFLAG macro is defined in chromeos_buildflags.h. #define PA_IS_LINUX #endif // !PA_BUILDFLAG(IS_CHROMEOS) // Include a system header to pull in features.h for glibc/uclibc macros. #include <assert.h> #if defined(__GLIBC__) && !defined(__UCLIBC__) // We really are using glibc, not uClibc pretending to be glibc. #define PA_LIBC_GLIBC #endif #elif defined(_WIN32) #define PA_IS_WIN #elif defined(__Fuchsia__) #define PA_IS_FUCHSIA #elif defined(__FreeBSD__) #define PA_IS_FREEBSD #elif defined(__NetBSD__) #define PA_IS_NETBSD #elif defined(__OpenBSD__) #define PA_IS_OPENBSD #elif defined(__sun) #define PA_IS_SOLARIS #elif defined(__QNXNTO__) #define PA_IS_QNX #elif defined(_AIX) #define PA_IS_AIX #elif defined(__asmjs__) || defined(__wasm__) #define PA_IS_ASMJS #endif // NOTE: Adding a new port? Please follow // https://chromium.googlesource.com/chromium/src/+/main/docs/new_port_policy.md #if defined(PA_IS_MAC) || defined(PA_IS_IOS) #define PA_IS_APPLE #endif #if defined(PA_IS_FREEBSD) || defined(PA_IS_NETBSD) || defined(PA_IS_OPENBSD) #define PA_IS_BSD #endif #if defined(PA_IS_AIX) || defined(PA_IS_ANDROID) || defined(PA_IS_ASMJS) || \ defined(PA_IS_FREEBSD) || defined(PA_IS_IOS) || defined(PA_IS_LINUX) || \ defined(PA_IS_CHROMEOS) || defined(PA_IS_MAC) || defined(PA_IS_NACL) || \ defined(PA_IS_NETBSD) || defined(PA_IS_OPENBSD) || defined(PA_IS_QNX) || \ defined(PA_IS_SOLARIS) || PA_BUILDFLAG(IS_CHROMEOS) #define PA_IS_POSIX #endif // Compiler detection. Note: clang masquerades as GCC on POSIX and as MSVC on // Windows. #if defined(__GNUC__) #define PA_COMPILER_GCC #elif defined(_MSC_VER) #define PA_COMPILER_MSVC #endif // ------ // Processor architecture detection. For more info on what's defined, see: // http://msdn.microsoft.com/en-us/library/b0084kay.aspx // http://www.agner.org/optimize/calling_conventions.pdf // or with gcc, run: "echo | gcc -E -dM -" #if defined(_M_X64) || defined(__x86_64__) #define PA_ARCH_CPU_X86_FAMILY #define PA_ARCH_CPU_X86_64 #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #elif defined(_M_IX86) || defined(__i386__) #define PA_ARCH_CPU_X86_FAMILY #define PA_ARCH_CPU_X86 #define PA_ARCH_CPU_32_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #elif defined(__s390x__) #define PA_ARCH_CPU_S390_FAMILY #define PA_ARCH_CPU_S390X #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_BIG_ENDIAN #elif defined(__s390__) #define PA_ARCH_CPU_S390_FAMILY #define PA_ARCH_CPU_S390 #define PA_ARCH_CPU_BIG_ENDIAN #elif (defined(__PPC64__) || defined(__PPC__)) && defined(__BIG_ENDIAN__) #define PA_ARCH_CPU_PPC64_FAMILY #define PA_ARCH_CPU_PPC64 #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_BIG_ENDIAN #elif defined(__PPC64__) #define PA_ARCH_CPU_PPC64_FAMILY #define PA_ARCH_CPU_PPC64 #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #elif defined(__ARMEL__) #define PA_ARCH_CPU_ARM_FAMILY #define PA_ARCH_CPU_ARMEL #define PA_ARCH_CPU_32_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #elif defined(__aarch64__) || defined(_M_ARM64) #define PA_ARCH_CPU_ARM_FAMILY #define PA_ARCH_CPU_ARM64 #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__) #define PA_ARCH_CPU_32_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #elif defined(__MIPSEL__) #if defined(__LP64__) #define PA_ARCH_CPU_MIPS64EL #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #else #define PA_ARCH_CPU_MIPSEL #define PA_ARCH_CPU_32_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #endif #elif defined(__MIPSEB__) #if defined(__LP64__) #define PA_ARCH_CPU_MIPS64 #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_BIG_ENDIAN #else #define PA_ARCH_CPU_MIPS #define PA_ARCH_CPU_32_BITS #define PA_ARCH_CPU_BIG_ENDIAN #endif #elif defined(__loongarch__) #define PA_ARCH_CPU_LITTLE_ENDIAN #if __loongarch_grlen == 64 #define PA_ARCH_CPU_LOONGARCH64 #define PA_ARCH_CPU_64_BITS #else #define PA_ARCH_CPU_32_BITS #endif #elif defined(__riscv) && (__riscv_xlen == 64) #define PA_ARCH_CPU_RISCV64 #define PA_ARCH_CPU_64_BITS #define PA_ARCH_CPU_LITTLE_ENDIAN #endif // The part below can be generated with the following script: // https://paste.googleplex.com/6324671838683136 // // It transform the defines above into PA_BUILDFLAG_INTERNAL_* defines, then // undef the original define. // // Usage of PA_BUILDFLAG(...) macro is better than raw define, because it avoids // silent failure when developers forget to include this file. #if defined(PA_ARCH_CPU_32_BITS) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_32_BITS … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_32_BITS() … #endif #undef PA_ARCH_CPU_32_BITS #if defined(PA_ARCH_CPU_64_BITS) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_64_BITS() … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_64_BITS … #endif #undef PA_ARCH_CPU_64_BITS #if defined(PA_ARCH_CPU_ARM64) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_ARM64 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_ARM64() … #endif #undef PA_ARCH_CPU_ARM64 #if defined(PA_ARCH_CPU_ARMEL) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_ARMEL … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_ARMEL() … #endif #undef PA_ARCH_CPU_ARMEL #if defined(PA_ARCH_CPU_ARM_FAMILY) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_ARM_FAMILY … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_ARM_FAMILY() … #endif #undef PA_ARCH_CPU_ARM_FAMILY #if defined(PA_ARCH_CPU_BIG_ENDIAN) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_BIG_ENDIAN … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_BIG_ENDIAN() … #endif #undef PA_ARCH_CPU_BIG_ENDIAN #if defined(PA_ARCH_CPU_LITTLE_ENDIAN) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_LITTLE_ENDIAN() … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_LITTLE_ENDIAN … #endif #undef PA_ARCH_CPU_LITTLE_ENDIAN #if defined(PA_ARCH_CPU_LOONGARCH64) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_LOONGARCH64 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_LOONGARCH64() … #endif #undef PA_ARCH_CPU_LOONGARCH64 #if defined(PA_ARCH_CPU_MIPS) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPS … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPS() … #endif #undef PA_ARCH_CPU_MIPS #if defined(PA_ARCH_CPU_MIPS64) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPS64 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPS64() … #endif #undef PA_ARCH_CPU_MIPS64 #if defined(PA_ARCH_CPU_MIPS64EL) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPS64EL … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPS64EL() … #endif #undef PA_ARCH_CPU_MIPS64EL #if defined(PA_ARCH_CPU_MIPSEL) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPSEL … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_MIPSEL() … #endif #undef PA_ARCH_CPU_MIPSEL #if defined(PA_ARCH_CPU_PPC64) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_PPC64 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_PPC64() … #endif #undef PA_ARCH_CPU_PPC64 #if defined(PA_ARCH_CPU_PPC64_FAMILY) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_PPC64_FAMILY … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_PPC64_FAMILY() … #endif #undef PA_ARCH_CPU_PPC64_FAMILY #if defined(PA_ARCH_CPU_RISCV64) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_RISCV64 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_RISCV64() … #endif #undef PA_ARCH_CPU_RISCV64 #if defined(PA_ARCH_CPU_S390) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_S390 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_S390() … #endif #undef PA_ARCH_CPU_S390 #if defined(PA_ARCH_CPU_S390_FAMILY) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_S390_FAMILY … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_S390_FAMILY() … #endif #undef PA_ARCH_CPU_S390_FAMILY #if defined(PA_ARCH_CPU_S390X) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_S390X … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_S390X() … #endif #undef PA_ARCH_CPU_S390X #if defined(PA_ARCH_CPU_X86) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_X86 … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_X86() … #endif #undef PA_ARCH_CPU_X86 #if defined(PA_ARCH_CPU_X86_64) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_X86_64() … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_X86_64 … #endif #undef PA_ARCH_CPU_X86_64 #if defined(PA_ARCH_CPU_X86_FAMILY) #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_X86_FAMILY() … #else #define PA_BUILDFLAG_INTERNAL_PA_ARCH_CPU_X86_FAMILY … #endif #undef PA_ARCH_CPU_X86_FAMILY #if defined(PA_COMPILER_GCC) #define PA_BUILDFLAG_INTERNAL_PA_COMPILER_GCC() … #else #define PA_BUILDFLAG_INTERNAL_PA_COMPILER_GCC … #endif #undef PA_COMPILER_GCC #if defined(PA_COMPILER_MSVC) #define PA_BUILDFLAG_INTERNAL_PA_COMPILER_MSVC … #else #define PA_BUILDFLAG_INTERNAL_PA_COMPILER_MSVC() … #endif #undef PA_COMPILER_MSVC #if defined(PA_IS_AIX) #define PA_BUILDFLAG_INTERNAL_IS_AIX … #else #define PA_BUILDFLAG_INTERNAL_IS_AIX() … #endif #undef PA_IS_AIX #if defined(PA_IS_ANDROID) #define PA_BUILDFLAG_INTERNAL_IS_ANDROID … #else #define PA_BUILDFLAG_INTERNAL_IS_ANDROID() … #endif #undef PA_IS_ANDROID #if defined(PA_IS_APPLE) #define PA_BUILDFLAG_INTERNAL_IS_APPLE … #else #define PA_BUILDFLAG_INTERNAL_IS_APPLE() … #endif #undef PA_IS_APPLE #if defined(PA_IS_ASMJS) #define PA_BUILDFLAG_INTERNAL_IS_ASMJS … #else #define PA_BUILDFLAG_INTERNAL_IS_ASMJS() … #endif #undef PA_IS_ASMJS #if defined(PA_IS_BSD) #define PA_BUILDFLAG_INTERNAL_IS_BSD … #else #define PA_BUILDFLAG_INTERNAL_IS_BSD() … #endif #undef PA_IS_BSD #if defined(PA_IS_FREEBSD) #define PA_BUILDFLAG_INTERNAL_IS_FREEBSD … #else #define PA_BUILDFLAG_INTERNAL_IS_FREEBSD() … #endif #undef PA_IS_FREEBSD #if defined(PA_IS_FUCHSIA) #define PA_BUILDFLAG_INTERNAL_IS_FUCHSIA … #else #define PA_BUILDFLAG_INTERNAL_IS_FUCHSIA() … #endif #undef PA_IS_FUCHSIA #if defined(PA_IS_IOS) #define PA_BUILDFLAG_INTERNAL_IS_IOS … #else #define PA_BUILDFLAG_INTERNAL_IS_IOS() … #endif #undef PA_IS_IOS #if defined(PA_IS_LINUX) #define PA_BUILDFLAG_INTERNAL_IS_LINUX() … #else #define PA_BUILDFLAG_INTERNAL_IS_LINUX … #endif #undef PA_IS_LINUX #if defined(PA_IS_MAC) #define PA_BUILDFLAG_INTERNAL_IS_MAC … #else #define PA_BUILDFLAG_INTERNAL_IS_MAC() … #endif #undef PA_IS_MAC #if defined(PA_IS_NACL) #define PA_BUILDFLAG_INTERNAL_IS_NACL … #else #define PA_BUILDFLAG_INTERNAL_IS_NACL() … #endif #undef PA_IS_NACL #if defined(PA_IS_NETBSD) #define PA_BUILDFLAG_INTERNAL_IS_NETBSD … #else #define PA_BUILDFLAG_INTERNAL_IS_NETBSD() … #endif #undef PA_IS_NETBSD #if defined(PA_IS_OPENBSD) #define PA_BUILDFLAG_INTERNAL_IS_OPENBSD … #else #define PA_BUILDFLAG_INTERNAL_IS_OPENBSD() … #endif #undef PA_IS_OPENBSD #if defined(PA_IS_POSIX) #define PA_BUILDFLAG_INTERNAL_IS_POSIX() … #else #define PA_BUILDFLAG_INTERNAL_IS_POSIX … #endif #undef PA_IS_POSIX #if defined(PA_IS_QNX) #define PA_BUILDFLAG_INTERNAL_IS_QNX … #else #define PA_BUILDFLAG_INTERNAL_IS_QNX() … #endif #undef PA_IS_QNX #if defined(PA_IS_SOLARIS) #define PA_BUILDFLAG_INTERNAL_IS_SOLARIS … #else #define PA_BUILDFLAG_INTERNAL_IS_SOLARIS() … #endif #undef PA_IS_SOLARIS #if defined(PA_IS_WIN) #define PA_BUILDFLAG_INTERNAL_IS_WIN … #else #define PA_BUILDFLAG_INTERNAL_IS_WIN() … #endif #undef PA_IS_WIN #if defined(PA_LIBC_GLIBC) #define PA_BUILDFLAG_INTERNAL_PA_LIBC_GLIBC() … #else #define PA_BUILDFLAG_INTERNAL_PA_LIBC_GLIBC … #endif #undef PA_LIBC_GLIBC #endif // PARTITION_ALLOC_BUILD_CONFIG_H_
Codebase Browser
chromium