/*
 *  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(__riscv) || defined(__riscv__) */
/* #define WEBRTC_ARCH_LITTLE_ENDIAN */
/* #if __riscv_xlen == 64 */
/* #define WEBRTC_ARCH_64_BITS */
/* #else */
/* #define WEBRTC_ARCH_32_BITS */
/* #endif */
/* #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_
