106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include <stdint.h>
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#include <openssl/cpu.h>
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#include "internal.h"
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#if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_STATIC_ARMCAP) && \
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(defined(OPENSSL_X86) || defined(OPENSSL_X86_64) || \
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defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64))
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/* x86, x86_64 and the ARMs need to record the result of a cpuid call for the
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* asm to work correctly, unless compiled without asm code. */
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#define NEED_CPUID
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#else
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/* Otherwise, don't emit a static initialiser. */
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#if !defined(BORINGSSL_NO_STATIC_INITIALIZER)
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#define BORINGSSL_NO_STATIC_INITIALIZER
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#endif
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#endif /* !OPENSSL_NO_ASM && (OPENSSL_X86 || OPENSSL_X86_64 ||
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OPENSSL_ARM || OPENSSL_AARCH64) */
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#if defined(OPENSSL_X86) || defined(OPENSSL_X86_64)
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/* This value must be explicitly initialised to zero in order to work around a
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* bug in libtool or the linker on OS X.
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*
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* If not initialised then it becomes a "common symbol". When put into an
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* archive, linking on OS X will fail to resolve common symbols. By
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* initialising it to zero, it becomes a "data symbol", which isn't so
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* affected. */
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uint32_t OPENSSL_ia32cap_P[4] = {0};
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#elif defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)
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#include <openssl/arm_arch.h>
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#if defined(OPENSSL_STATIC_ARMCAP)
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uint32_t OPENSSL_armcap_P =
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#if defined(OPENSSL_STATIC_ARMCAP_NEON) || defined(__ARM_NEON__)
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ARMV7_NEON |
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#endif
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#if defined(OPENSSL_STATIC_ARMCAP_AES)
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ARMV8_AES |
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#endif
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#if defined(OPENSSL_STATIC_ARMCAP_SHA1)
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ARMV8_SHA1 |
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#endif
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#if defined(OPENSSL_STATIC_ARMCAP_SHA256)
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ARMV8_SHA256 |
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#endif
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#if defined(OPENSSL_STATIC_ARMCAP_PMULL)
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ARMV8_PMULL |
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#endif
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0;
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#else
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uint32_t OPENSSL_armcap_P = 0;
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#endif
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#endif
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/* These functions allow tests in other languages to verify that their
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* understanding of the C types matches the C compiler's understanding. */
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#define DEFINE_METRICS_FUNCTIONS(ty) \
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/* Declarations to avoid -Wmissing-prototypes warnings. */ \
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OPENSSL_EXPORT uint16_t ring_##ty##_align(void); \
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OPENSSL_EXPORT uint16_t ring_##ty##_size(void); \
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\
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OPENSSL_EXPORT uint16_t ring_##ty##_align(void) { return alignof(ty); } \
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OPENSSL_EXPORT uint16_t ring_##ty##_size(void) { return sizeof(ty); }
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DEFINE_METRICS_FUNCTIONS(int8_t)
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DEFINE_METRICS_FUNCTIONS(uint8_t)
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DEFINE_METRICS_FUNCTIONS(int16_t)
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DEFINE_METRICS_FUNCTIONS(uint16_t)
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DEFINE_METRICS_FUNCTIONS(int32_t)
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DEFINE_METRICS_FUNCTIONS(uint32_t)
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DEFINE_METRICS_FUNCTIONS(int64_t)
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DEFINE_METRICS_FUNCTIONS(uint64_t)
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DEFINE_METRICS_FUNCTIONS(int)
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DEFINE_METRICS_FUNCTIONS(size_t)
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