openssl/crypto/arm_arch.h

#ifndef __ARM_ARCH_H__
# define __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__)
  /*
   * 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.
   */
#   if   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

# ifdef OPENSSL_FIPSCANISTER
#  include <openssl/fipssyms.h>
# endif

# if !__ASSEMBLER__
extern unsigned int OPENSSL_armcap_P;

#  define ARMV7_NEON      (1<<0)
#  define ARMV7_TICK      (1<<1)
# endif

#endif