| Fredrik Solenberg | 500e75b | 2018-05-23 11:49:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018 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 typedefs and defines. |
| 12 | // Much of it is derived from Chromium's build/build_config.h. |
| 13 | |
| 14 | #ifndef RTC_BASE_SYSTEM_ARCH_H_ |
| 15 | #define RTC_BASE_SYSTEM_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 |
| Tom Tan | 4c93aab | 2019-09-23 17:29:25 -0700 | [diff] [blame] | 26 | #elif defined(_M_ARM64) || defined(__aarch64__) |
| Fredrik Solenberg | 500e75b | 2018-05-23 11:49:01 +0200 | [diff] [blame] | 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 |
| Mirko Bonadei | b028c6a | 2019-06-18 13:46:42 +0200 | [diff] [blame] | 50 | #elif defined(__EMSCRIPTEN__) |
| 51 | #define WEBRTC_ARCH_32_BITS |
| 52 | #define WEBRTC_ARCH_LITTLE_ENDIAN |
| Fredrik Solenberg | 500e75b | 2018-05-23 11:49:01 +0200 | [diff] [blame] | 53 | #else |
| Mirko Bonadei | 79976e0 | 2019-06-07 09:38:26 +0200 | [diff] [blame] | 54 | #error Please add support for your architecture in rtc_base/system/arch.h |
| Fredrik Solenberg | 500e75b | 2018-05-23 11:49:01 +0200 | [diff] [blame] | 55 | #endif |
| 56 | |
| 57 | #if !(defined(WEBRTC_ARCH_LITTLE_ENDIAN) ^ defined(WEBRTC_ARCH_BIG_ENDIAN)) |
| 58 | #error Define either WEBRTC_ARCH_LITTLE_ENDIAN or WEBRTC_ARCH_BIG_ENDIAN |
| 59 | #endif |
| 60 | |
| 61 | #endif // RTC_BASE_SYSTEM_ARCH_H_ |