Move arm_arch.h and fix up lots of include paths.

arm_arch.h is included from ARM asm files, but lives in crypto/, not
openssl/include/. Since the asm files are often built from a different
location than their position in the source tree, relative include paths
are unlikely to work so, rather than having crypto/ be a de-facto,
second global include path, this change moves arm_arch.h to
include/openssl/.

It also removes entries from many include paths because they should be
needed as relative includes are always based on the locations of the
source file.

Change-Id: I638ff43d641ca043a4fc06c0d901b11c6ff73542
Reviewed-on: https://boringssl-review.googlesource.com/5746
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/include/openssl/arm_arch.h b/include/openssl/arm_arch.h
new file mode 100644
index 0000000..123a890
--- /dev/null
+++ b/include/openssl/arm_arch.h
@@ -0,0 +1,136 @@
+/* ====================================================================
+ * 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_ARM_ARCH_H */