1 // Written in the D programming language. 2 3 /** 4 * Information about the target operating system, environment, and CPU. 5 * 6 * Copyright: Copyright The D Language Foundation 2000 - 2011 7 * License: $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0). 8 * Authors: $(HTTP digitalmars.com, Walter Bright) and 9 $(HTTP jmdavisprog.com, Jonathan M Davis) 10 * Source: $(PHOBOSSRC std/system.d) 11 */ 12 module std.system; 13 14 immutable 15 { 16 /++ 17 Operating system. 18 19 Note: 20 This is for cases where you need a value representing the OS at 21 runtime. If you're doing something which should compile differently 22 on different OSes, then please use `version (Windows)`, 23 `version (linux)`, etc. 24 25 See_Also: 26 $(DDSUBLINK spec/version,PredefinedVersions, Predefined Versions) 27 +/ 28 enum OS 29 { 30 win32 = 1, /// Microsoft 32 bit Windows systems 31 win64, /// Microsoft 64 bit Windows systems 32 linux, /// All Linux Systems, except for Android 33 osx, /// Mac OS X 34 iOS, /// iOS 35 tvOS, /// tvOS 36 watchOS, /// watchOS 37 freeBSD, /// FreeBSD 38 netBSD, /// NetBSD 39 openBSD, /// OpenBSD 40 dragonFlyBSD, /// DragonFlyBSD 41 solaris, /// Solaris 42 android, /// Android 43 otherPosix, /// Other Posix Systems 44 unknown, /// Unknown 45 } 46 47 /// The OS that the program was compiled for. 48 version (Win32) OS os = OS.win32; 49 else version (Win64) OS os = OS.win64; 50 else version (Android) OS os = OS.android; 51 else version (linux) OS os = OS.linux; 52 else version (OSX) OS os = OS.osx; 53 else version (iOS) OS os = OS.iOS; 54 else version (tvOS) OS os = OS.tvOS; 55 else version (watchOS) OS os = OS.watchOS; 56 else version (FreeBSD) OS os = OS.freeBSD; 57 else version (NetBSD) OS os = OS.netBSD; 58 else version (OpenBSD) OS os = OS.openBSD; 59 else version (DragonFlyBSD) OS os = OS.dragonFlyBSD; 60 else version (Posix) OS os = OS.otherPosix; 61 else OS os = OS.unknown; 62 63 /++ 64 Byte order endianness. 65 66 Note: 67 This is intended for cases where you need to deal with endianness at 68 runtime. If you're doing something which should compile differently 69 depending on whether you're compiling on a big endian or little 70 endian machine, then please use `version (BigEndian)` and 71 `version (LittleEndian)`. 72 73 See_Also: 74 $(DDSUBLINK spec/version,PredefinedVersions, Predefined Versions) 75 +/ 76 enum Endian 77 { 78 bigEndian, /// Big endian byte order 79 littleEndian /// Little endian byte order 80 } 81 82 /// The endianness that the program was compiled for. 83 version (LittleEndian) Endian endian = Endian.littleEndian; 84 else Endian endian = Endian.bigEndian; 85 /++ 86 Instruction Set Architecture. 87 88 Note: 89 This is intended for cases where you need a value representing the 90 instruction set architecture at runtime. If you're doing something 91 which should compile differently depending on instruction set 92 architecture, then please use `version (X86_64)`, `version (ARM)`, 93 etc. 94 95 See_Also: 96 $(DDSUBLINK spec/version,PredefinedVersions, Predefined Versions) 97 +/ 98 enum ISA 99 { 100 x86, /// Intel and AMD 32-bit processors 101 x86_64, /// Intel and AMD 64-bit processors 102 arm, /// The ARM architecture (32-bit) (AArch32 et al) 103 aarch64, /// The Advanced RISC Machine architecture (64-bit) 104 asmJS, /// The asm.js intermediate programming language 105 avr, /// 8-bit Atmel AVR Microcontrollers 106 epiphany, /// The Epiphany architecture 107 ppc, /// The PowerPC architecture, 32-bit 108 ppc64, /// The PowerPC architecture, 64-bit 109 ia64, /// The Itanium architecture (64-bit) 110 mips32, /// The MIPS architecture, 32-bit 111 mips64, /// The MIPS architecture, 64-bit 112 msp430, /// The MSP430 architecture 113 nvptx, /// The Nvidia Parallel Thread Execution (PTX) architecture, 32-bit 114 nvptx64, /// The Nvidia Parallel Thread Execution (PTX) architecture, 64-bit 115 riscv32, /// The RISC-V architecture, 32-bit 116 riscv64, /// The RISC-V architecture, 64-bit 117 sparc, /// The SPARC architecture, 32-bit 118 sparc64, /// The SPARC architecture, 64-bit 119 s390, /// The System/390 architecture, 32-bit 120 systemZ, /// The System Z architecture, 64-bit 121 hppa, /// The HP PA-RISC architecture, 32-bit 122 hppa64, /// The HP PA-RISC architecture, 64-bit 123 sh, /// The SuperH architecture, 32-bit 124 webAssembly, /// The WebAssembly virtual ISA (instruction set architecture), 32-bit 125 alpha, /// The Alpha architecture 126 unknown, /// Unknown 127 } 128 129 /// The instruction set architecture that the program was compiled for. 130 version (X86) ISA instructionSetArchitecture = ISA.x86; 131 else version (X86_64) ISA instructionSetArchitecture = ISA.x86_64; 132 else version (ARM) ISA instructionSetArchitecture = ISA.arm; 133 else version (AArch64) ISA instructionSetArchitecture = ISA.aarch64; 134 else version (AsmJS) ISA instructionSetArchitecture = ISA.asmJS; 135 else version (AVR) ISA instructionSetArchitecture = ISA.avr; 136 else version (Epiphany) ISA instructionSetArchitecture = ISA.epiphany; 137 else version (PPC) ISA instructionSetArchitecture = ISA.ppc; 138 else version (PPC64) ISA instructionSetArchitecture = ISA.ppc64; 139 else version (IA64) ISA instructionSetArchitecture = ISA.ia64; 140 else version (MIPS32) ISA instructionSetArchitecture = ISA.mips32; 141 else version (MIPS64) ISA instructionSetArchitecture = ISA.mips64; 142 else version (MSP430) ISA instructionSetArchitecture = ISA.msp430; 143 else version (NVPTX) ISA instructionSetArchitecture = ISA.nvptx; 144 else version (NVPTX64) ISA instructionSetArchitecture = ISA.nvptx64; 145 else version (RISCV32) ISA instructionSetArchitecture = ISA.riscv32; 146 else version (RISCV64) ISA instructionSetArchitecture = ISA.riscv64; 147 else version (SPARC) ISA instructionSetArchitecture = ISA.sparc; 148 else version (SPARC64) ISA instructionSetArchitecture = ISA.sparc64; 149 else version (S390) ISA instructionSetArchitecture = ISA.s390; 150 else version (SystemZ) ISA instructionSetArchitecture = ISA.systemZ; 151 else version (HPPA) ISA instructionSetArchitecture = ISA.hppa; 152 else version (HPPA64) ISA instructionSetArchitecture = ISA.hppa64; 153 else version (SH) ISA instructionSetArchitecture = ISA.sh; 154 else version (WebAssembly) ISA instructionSetArchitecture = ISA.webAssembly; 155 else version (Alpha) ISA instructionSetArchitecture = ISA.alpha; 156 else ISA instructionSetArchitecture = ISA.unknown; 157 } 158