Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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175 lines
6.6 KiB
175 lines
6.6 KiB
/* ==================================================================== |
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* Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). */ |
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#ifndef OPENSSL_HEADER_ARM_ARCH_H |
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#define OPENSSL_HEADER_ARM_ARCH_H |
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#if !defined(__ARM_ARCH__) |
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# if defined(__CC_ARM) |
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# define __ARM_ARCH__ __TARGET_ARCH_ARM |
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# if defined(__BIG_ENDIAN) |
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# define __ARMEB__ |
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# else |
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# define __ARMEL__ |
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# endif |
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# elif defined(__GNUC__) |
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# if defined(__aarch64__) |
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# define __ARM_ARCH__ 8 |
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# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
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# define __ARMEB__ |
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# else |
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# define __ARMEL__ |
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# endif |
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// Why doesn't gcc define __ARM_ARCH__? Instead it defines |
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// bunch of below macros. See all_architectires[] table in |
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// gcc/config/arm/arm.c. On a side note it defines |
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// __ARMEL__/__ARMEB__ for little-/big-endian. |
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# elif defined(__ARM_ARCH) |
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# define __ARM_ARCH__ __ARM_ARCH |
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# elif defined(__ARM_ARCH_8A__) |
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# define __ARM_ARCH__ 8 |
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# elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || \ |
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defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__) || \ |
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defined(__ARM_ARCH_7EM__) |
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# define __ARM_ARCH__ 7 |
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# elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || \ |
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defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__) || \ |
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defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__) || \ |
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defined(__ARM_ARCH_6T2__) |
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# define __ARM_ARCH__ 6 |
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# elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || \ |
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defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__) || \ |
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defined(__ARM_ARCH_5TEJ__) |
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# define __ARM_ARCH__ 5 |
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# elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) |
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# define __ARM_ARCH__ 4 |
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# else |
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# error "unsupported ARM architecture" |
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# endif |
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# endif |
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#endif |
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// Even when building for 32-bit ARM, support for aarch64 crypto instructions |
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// will be included. |
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#define __ARM_MAX_ARCH__ 8 |
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// ARMV7_NEON is true when a NEON unit is present in the current CPU. |
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#define ARMV7_NEON (1 << 0) |
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// ARMV8_AES indicates support for hardware AES instructions. |
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#define ARMV8_AES (1 << 2) |
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// ARMV8_SHA1 indicates support for hardware SHA-1 instructions. |
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#define ARMV8_SHA1 (1 << 3) |
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// ARMV8_SHA256 indicates support for hardware SHA-256 instructions. |
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#define ARMV8_SHA256 (1 << 4) |
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// ARMV8_PMULL indicates support for carryless multiplication. |
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#define ARMV8_PMULL (1 << 5) |
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#if defined(__ASSEMBLER__) |
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// Support macros for |
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// - Armv8.3-A Pointer Authentication and |
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// - Armv8.5-A Branch Target Identification |
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// features which require emitting a .note.gnu.property section with the |
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// appropriate architecture-dependent feature bits set. |
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// Read more: "ELF for the Arm® 64-bit Architecture" |
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#if defined(__ARM_FEATURE_BTI_DEFAULT) && __ARM_FEATURE_BTI_DEFAULT == 1 |
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#define GNU_PROPERTY_AARCH64_BTI (1 << 0) // Has Branch Target Identification |
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#define AARCH64_VALID_CALL_TARGET hint #34 // BTI 'c' |
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#else |
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#define GNU_PROPERTY_AARCH64_BTI 0 // No Branch Target Identification |
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#define AARCH64_VALID_CALL_TARGET |
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#endif |
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#if defined(__ARM_FEATURE_PAC_DEFAULT) && \ |
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(__ARM_FEATURE_PAC_DEFAULT & 1) == 1 // Signed with A-key |
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#define GNU_PROPERTY_AARCH64_POINTER_AUTH \ |
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(1 << 1) // Has Pointer Authentication |
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#define AARCH64_SIGN_LINK_REGISTER hint #25 // PACIASP |
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#define AARCH64_VALIDATE_LINK_REGISTER hint #29 // AUTIASP |
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#elif defined(__ARM_FEATURE_PAC_DEFAULT) && \ |
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(__ARM_FEATURE_PAC_DEFAULT & 2) == 2 // Signed with B-key |
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#define GNU_PROPERTY_AARCH64_POINTER_AUTH \ |
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(1 << 1) // Has Pointer Authentication |
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#define AARCH64_SIGN_LINK_REGISTER hint #27 // PACIBSP |
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#define AARCH64_VALIDATE_LINK_REGISTER hint #31 // AUTIBSP |
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#else |
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#define GNU_PROPERTY_AARCH64_POINTER_AUTH 0 // No Pointer Authentication |
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#if GNU_PROPERTY_AARCH64_BTI != 0 |
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#define AARCH64_SIGN_LINK_REGISTER AARCH64_VALID_CALL_TARGET |
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#else |
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#define AARCH64_SIGN_LINK_REGISTER |
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#endif |
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#define AARCH64_VALIDATE_LINK_REGISTER |
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#endif |
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#if GNU_PROPERTY_AARCH64_POINTER_AUTH != 0 || GNU_PROPERTY_AARCH64_BTI != 0 |
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.pushsection .note.gnu.property, "a"; |
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.balign 8; |
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.long 4; |
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.long 0x10; |
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.long 0x5; |
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.asciz "GNU"; |
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.long 0xc0000000; /* GNU_PROPERTY_AARCH64_FEATURE_1_AND */ |
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.long 4; |
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.long (GNU_PROPERTY_AARCH64_POINTER_AUTH | GNU_PROPERTY_AARCH64_BTI); |
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.long 0; |
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.popsection; |
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#endif |
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#endif /* defined __ASSEMBLER__ */ |
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#endif // OPENSSL_HEADER_ARM_ARCH_H
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