text: /* ====================================================================
   * Copyright (c) 1998-2011 The OpenSSL Project.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. All advertising materials mentioning features or use of this
   *    software must display the following acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
   *
   * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
   *    endorse or promote products derived from this software without
   *    prior written permission. For written permission, please contact
   *    openssl-core@openssl.org.
   *
   * 5. Products derived from this software may not be called "OpenSSL"
   *    nor may "OpenSSL" appear in their names without prior written
   *    permission of the OpenSSL Project.
   *
   * 6. Redistributions of any form whatsoever must retain the following
   *    acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
   *
   * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   * ====================================================================
   *
   * This product includes cryptographic software written by Eric Young
   * (eay@cryptsoft.com).  This product includes software written by Tim
   * Hudson (tjh@cryptsoft.com). */
  
  #ifndef OPENSSL_HEADER_ARM_ARCH_H
  #define OPENSSL_HEADER_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_architectires[] 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
  
  /* Even when building for 32-bit ARM, support for aarch64 crypto instructions
   * will be included. */
  #define __ARM_MAX_ARCH__ 8
  
  #if !__ASSEMBLER__
  
  /* OPENSSL_armcap_P contains flags describing the capabilities of the CPU and
   * is easy for assembly code to acesss. For C code, see the functions in
   * |cpu.h|. */
  extern uint32_t OPENSSL_armcap_P;
  
  #endif  /* !__ASSEMBLER__ */
  
  /* ARMV7_NEON is true when a NEON unit is present in the current CPU. */
  #define ARMV7_NEON (1 << 0)
  
  /* ARMV7_NEON_FUNCTIONAL is true when the NEON unit doesn't contain subtle bugs.
   * The Poly1305 NEON code is known to trigger bugs in the NEON units of some
   * phones. If this bit isn't set then the Poly1305 NEON code won't be used.
   * See https://code.google.com/p/chromium/issues/detail?id=341598. */
  #define ARMV7_NEON_FUNCTIONAL (1 << 10)
  
  /* ARMV8_AES indicates support for hardware AES instructions. */
  #define ARMV8_AES (1 << 2)
  
  /* ARMV8_SHA1 indicates support for hardware SHA-1 instructions. */
  #define ARMV8_SHA1 (1 << 3)
  
  /* ARMV8_SHA256 indicates support for hardware SHA-256 instructions. */
  #define ARMV8_SHA256 (1 << 4)
  
  /* ARMV8_PMULL indicates support for carryless multiplication. */
  #define ARMV8_PMULL (1 << 5)
  
  
  #endif  /* OPENSSL_HEADER_THREAD_H */
  