|  | /* ==================================================================== | 
|  | * 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; | 
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|  | * 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 | 
|  |  | 
|  | // ARMV7_NEON is true when a NEON unit is present in the current CPU. | 
|  | #define ARMV7_NEON (1 << 0) | 
|  |  | 
|  | // 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_ARM_ARCH_H |