| /* |
| * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| // This file contains platform-specific typedefs and defines. |
| // Much of it is derived from Chromium's build/build_config.h. |
| |
| #ifndef RTC_BASE_SYSTEM_ARCH_H_ |
| #define RTC_BASE_SYSTEM_ARCH_H_ |
| |
| // 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 WEBRTC_ARCH_X86_FAMILY |
| #define WEBRTC_ARCH_X86_64 |
| #define WEBRTC_ARCH_64_BITS |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #elif defined(__aarch64__) |
| #define WEBRTC_ARCH_ARM_FAMILY |
| #define WEBRTC_ARCH_64_BITS |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #elif defined(_M_IX86) || defined(__i386__) |
| #define WEBRTC_ARCH_X86_FAMILY |
| #define WEBRTC_ARCH_X86 |
| #define WEBRTC_ARCH_32_BITS |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #elif defined(__ARMEL__) |
| #define WEBRTC_ARCH_ARM_FAMILY |
| #define WEBRTC_ARCH_32_BITS |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #elif defined(__MIPSEL__) |
| #define WEBRTC_ARCH_MIPS_FAMILY |
| #if defined(__LP64__) |
| #define WEBRTC_ARCH_64_BITS |
| #else |
| #define WEBRTC_ARCH_32_BITS |
| #endif |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #elif defined(__pnacl__) |
| #define WEBRTC_ARCH_32_BITS |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #elif defined(__EMSCRIPTEN__) |
| #define WEBRTC_ARCH_32_BITS |
| #define WEBRTC_ARCH_LITTLE_ENDIAN |
| #else |
| #error Please add support for your architecture in rtc_base/system/arch.h |
| #endif |
| |
| #if !(defined(WEBRTC_ARCH_LITTLE_ENDIAN) ^ defined(WEBRTC_ARCH_BIG_ENDIAN)) |
| #error Define either WEBRTC_ARCH_LITTLE_ENDIAN or WEBRTC_ARCH_BIG_ENDIAN |
| #endif |
| |
| #endif // RTC_BASE_SYSTEM_ARCH_H_ |
