1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2012 Google Inc. All rights reserved. 3 // 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file or at 6 // https://developers.google.com/open-source/licenses/bsd 7 8 #ifndef GOOGLE_PROTOBUF_PLATFORM_MACROS_H_ 9 #define GOOGLE_PROTOBUF_PLATFORM_MACROS_H_ 10 11 #define GOOGLE_PROTOBUF_PLATFORM_ERROR \ 12 #error "Host platform was not detected as supported by protobuf" 13 14 // Processor architecture detection. For more info on what's defined, see: 15 // http://msdn.microsoft.com/en-us/library/b0084kay.aspx 16 // http://www.agner.org/optimize/calling_conventions.pdf 17 // or with gcc, run: "echo | gcc -E -dM -" 18 #if defined(_M_X64) || defined(__x86_64__) 19 #define GOOGLE_PROTOBUF_ARCH_X64 1 20 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 21 #elif defined(_M_IX86) || defined(__i386__) 22 #define GOOGLE_PROTOBUF_ARCH_IA32 1 23 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 24 #elif defined(__QNX__) 25 #define GOOGLE_PROTOBUF_ARCH_ARM_QNX 1 26 #if defined(__aarch64__) 27 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 28 #else 29 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 30 #endif 31 #elif defined(_M_ARM) || defined(__ARMEL__) 32 #define GOOGLE_PROTOBUF_ARCH_ARM 1 33 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 34 #elif defined(_M_ARM64) 35 #define GOOGLE_PROTOBUF_ARCH_ARM 1 36 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 37 #elif defined(__aarch64__) 38 #define GOOGLE_PROTOBUF_ARCH_AARCH64 1 39 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 40 #elif defined(__mips__) 41 #if defined(__LP64__) 42 #define GOOGLE_PROTOBUF_ARCH_MIPS64 1 43 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 44 #else 45 #define GOOGLE_PROTOBUF_ARCH_MIPS 1 46 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 47 #endif 48 #elif defined(__pnacl__) 49 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 50 #elif defined(sparc) 51 #define GOOGLE_PROTOBUF_ARCH_SPARC 1 52 #if defined(__sparc_v9__) || defined(__sparcv9) || defined(__arch64__) 53 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 54 #else 55 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 56 #endif 57 #elif defined(_POWER) || defined(__powerpc64__) || defined(__PPC64__) 58 #define GOOGLE_PROTOBUF_ARCH_POWER 1 59 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1 60 #elif defined(__PPC__) 61 #define GOOGLE_PROTOBUF_ARCH_PPC 1 62 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 63 #elif defined(__GNUC__) 64 # if (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)) 65 // We fallback to the generic Clang/GCC >= 4.7 implementation in atomicops.h 66 # elif defined(__clang__) 67 # if !__has_extension(c_atomic) 68 GOOGLE_PROTOBUF_PLATFORM_ERROR 69 # endif 70 // We fallback to the generic Clang/GCC >= 4.7 implementation in atomicops.h 71 # endif 72 # if __LP64__ 73 # define GOOGLE_PROTOBUF_ARCH_64_BIT 1 74 # else 75 # define GOOGLE_PROTOBUF_ARCH_32_BIT 1 76 # endif 77 #else 78 GOOGLE_PROTOBUF_PLATFORM_ERROR 79 #endif 80 81 #if defined(__APPLE__) 82 #define GOOGLE_PROTOBUF_OS_APPLE 83 #include <Availability.h> 84 #include <TargetConditionals.h> 85 #if TARGET_OS_IPHONE 86 #define GOOGLE_PROTOBUF_OS_IPHONE 87 #endif 88 #elif defined(__EMSCRIPTEN__) 89 #define GOOGLE_PROTOBUF_OS_EMSCRIPTEN 90 #elif defined(__native_client__) 91 #define GOOGLE_PROTOBUF_OS_NACL 92 #elif defined(sun) 93 #define GOOGLE_PROTOBUF_OS_SOLARIS 94 #elif defined(_AIX) 95 #define GOOGLE_PROTOBUF_OS_AIX 96 #elif defined(__ANDROID__) 97 #define GOOGLE_PROTOBUF_OS_ANDROID 98 #endif 99 100 #undef GOOGLE_PROTOBUF_PLATFORM_ERROR 101 102 #if defined(GOOGLE_PROTOBUF_OS_ANDROID) || defined(GOOGLE_PROTOBUF_OS_IPHONE) 103 // Android ndk does not support the __thread keyword very well yet. Here 104 // we use pthread_key_create()/pthread_getspecific()/... methods for 105 // TLS support on android. 106 // iOS also does not support the __thread keyword. 107 #define GOOGLE_PROTOBUF_NO_THREADLOCAL 108 #endif 109 110 #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 1070 111 // __thread keyword requires at least 10.7 112 #define GOOGLE_PROTOBUF_NO_THREADLOCAL 113 #endif 114 115 #endif // GOOGLE_PROTOBUF_PLATFORM_MACROS_H_ 116