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| 1 /* |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 // This file contains platform-specific defines. |
| 12 // Much of it is derived from Chromium's build/build_config.h. |
| 13 |
| 14 #ifndef WEBRTC_RTC_BASE_ARCH_H_ |
| 15 #define WEBRTC_RTC_BASE_ARCH_H_ |
| 16 |
| 17 // Processor architecture detection. For more info on what's defined, see: |
| 18 // http://msdn.microsoft.com/en-us/library/b0084kay.aspx |
| 19 // http://www.agner.org/optimize/calling_conventions.pdf |
| 20 // or with gcc, run: "echo | gcc -E -dM -" |
| 21 #if defined(_M_X64) || defined(__x86_64__) |
| 22 #define WEBRTC_ARCH_X86_FAMILY |
| 23 #define WEBRTC_ARCH_X86_64 |
| 24 #define WEBRTC_ARCH_64_BITS |
| 25 #define WEBRTC_ARCH_LITTLE_ENDIAN |
| 26 #elif defined(__aarch64__) |
| 27 #define WEBRTC_ARCH_ARM_FAMILY |
| 28 #define WEBRTC_ARCH_64_BITS |
| 29 #define WEBRTC_ARCH_LITTLE_ENDIAN |
| 30 #elif defined(_M_IX86) || defined(__i386__) |
| 31 #define WEBRTC_ARCH_X86_FAMILY |
| 32 #define WEBRTC_ARCH_X86 |
| 33 #define WEBRTC_ARCH_32_BITS |
| 34 #define WEBRTC_ARCH_LITTLE_ENDIAN |
| 35 #elif defined(__ARMEL__) |
| 36 #define WEBRTC_ARCH_ARM_FAMILY |
| 37 #define WEBRTC_ARCH_32_BITS |
| 38 #define WEBRTC_ARCH_LITTLE_ENDIAN |
| 39 #elif defined(__MIPSEL__) |
| 40 #define WEBRTC_ARCH_MIPS_FAMILY |
| 41 #if defined(__LP64__) |
| 42 #define WEBRTC_ARCH_64_BITS |
| 43 #else |
| 44 #define WEBRTC_ARCH_32_BITS |
| 45 #endif |
| 46 #define WEBRTC_ARCH_LITTLE_ENDIAN |
| 47 #elif defined(__pnacl__) |
| 48 #define WEBRTC_ARCH_32_BITS |
| 49 #define WEBRTC_ARCH_LITTLE_ENDIAN |
| 50 #else |
| 51 #error Please add support for your architecture in rtc_base/arch.h |
| 52 #endif |
| 53 |
| 54 #if !(defined(WEBRTC_ARCH_LITTLE_ENDIAN) ^ defined(WEBRTC_ARCH_BIG_ENDIAN)) |
| 55 #error Define either WEBRTC_ARCH_LITTLE_ENDIAN or WEBRTC_ARCH_BIG_ENDIAN |
| 56 #endif |
| 57 |
| 58 #endif // WEBRTC_RTC_BASE_ARCH_H_ |
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