platform_macros.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Protocol Buffers - Google's data interchange format
2// Copyright 2012 Google Inc.  All rights reserved.
3// http://code.google.com/p/protobuf/
4//
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18//
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30
31#ifndef GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
32#define GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
33
34#include <google/protobuf/stubs/common.h>
35
36// Processor architecture detection.  For more info on what's defined, see:
37//   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
38//   http://www.agner.org/optimize/calling_conventions.pdf
39//   or with gcc, run: "echo | gcc -E -dM -"
40#if defined(_M_X64) || defined(__x86_64__)
41#define GOOGLE_PROTOBUF_ARCH_X64 1
42#define GOOGLE_PROTOBUF_ARCH_64_BIT 1
43#elif defined(_M_IX86) || defined(__i386__)
44#define GOOGLE_PROTOBUF_ARCH_IA32 1
45#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
46#elif defined(__ARMEL__)
47#define GOOGLE_PROTOBUF_ARCH_ARM 1
48#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
49#elif defined(__MIPSEL__)
50#define GOOGLE_PROTOBUF_ARCH_MIPS 1
51#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
52#elif defined(__pnacl__)
53#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
54#else
55#error Host architecture was not detected as supported by protobuf
56#endif
57
58#if defined(__APPLE__)
59#define GOOGLE_PROTOBUF_OS_APPLE
60#elif defined(__native_client__)
61#define GOOGLE_PROTOBUF_OS_NACL
62#endif
63
64#endif  // GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
65