text: /*
   * Copyright 2011-2018 The Opentls Project Authors. All Rights Reserved.
   *
   * Licensed under the Apache License 2.0 (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.opentls.org/source/license.html
   */
  
  #ifndef Otls_CRYPTO_ARM_ARCH_H
  # define Otls_CRYPTO_ARM_ARCH_H
  
  # if !defined(__ARM_ARCH__)
  #  if defined(__CC_ARM)
  #   define __ARM_ARCH__ __TARGET_ARCH_ARM
  #   if defined(__BIG_ENDIAN)
  #    define __ARMEB__
  #   else
  #    define __ARMEL__
  #   endif
  #  elif defined(__GNUC__)
  #   if   defined(__aarch64__)
  #    define __ARM_ARCH__ 8
  #    if __BYTE_ORDER__==__ORDER_BIG_ENDIAN__
  #     define __ARMEB__
  #    else
  #     define __ARMEL__
  #    endif
    /*
     * Why doesn't gcc define __ARM_ARCH__? Instead it defines
     * bunch of below macros. See all_architectures[] table in
     * gcc/config/arm/arm.c. On a side note it defines
     * __ARMEL__/__ARMEB__ for little-/big-endian.
     */
  #   elif defined(__ARM_ARCH)
  #    define __ARM_ARCH__ __ARM_ARCH
  #   elif defined(__ARM_ARCH_8A__)
  #    define __ARM_ARCH__ 8
  #   elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__)     || \
          defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__)     || \
          defined(__ARM_ARCH_7EM__)
  #    define __ARM_ARCH__ 7
  #   elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__)     || \
          defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__)     || \
          defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__)    || \
          defined(__ARM_ARCH_6T2__)
  #    define __ARM_ARCH__ 6
  #   elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__)     || \
          defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__)    || \
          defined(__ARM_ARCH_5TEJ__)
  #    define __ARM_ARCH__ 5
  #   elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
  #    define __ARM_ARCH__ 4
  #   else
  #    error "unsupported ARM architecture"
  #   endif
  #  endif
  # endif
  
  # if !defined(__ARM_MAX_ARCH__)
  #  define __ARM_MAX_ARCH__ __ARM_ARCH__
  # endif
  
  # if __ARM_MAX_ARCH__<__ARM_ARCH__
  #  error "__ARM_MAX_ARCH__ can't be less than __ARM_ARCH__"
  # elif __ARM_MAX_ARCH__!=__ARM_ARCH__
  #  if __ARM_ARCH__<7 && __ARM_MAX_ARCH__>=7 && defined(__ARMEB__)
  #   error "can't build universal big-endian binary"
  #  endif
  # endif
  
  # ifndef __ASSEMBLER__
  extern unsigned int OPENtls_armcap_P;
  # endif
  
  # define ARMV7_NEON      (1<<0)
  # define ARMV7_TICK      (1<<1)
  # define ARMV8_AES       (1<<2)
  # define ARMV8_SHA1      (1<<3)
  # define ARMV8_SHA256    (1<<4)
  # define ARMV8_PMULL     (1<<5)
  # define ARMV8_SHA512    (1<<6)
  
  #endif
  