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- /*
- * 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(_M_ARM64) || 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_
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