Packages

hackney

3.0.0
4.7.2 4.7.1 4.7.0 4.6.1 4.6.0 4.5.2 4.5.1 4.5.0 4.4.5 4.4.3 4.4.2 4.4.1 4.4.0 4.3.0 4.2.3 4.2.2 4.2.1 4.2.0 4.1.0 4.0.3 4.0.2 4.0.1 4.0.0 3.2.1 3.2.0 3.1.2 3.1.1 3.1.0 3.0.3 3.0.2 3.0.1 3.0.0 retired 2.0.1 2.0.0 2.0.0-beta.1 1.25.0 1.24.1 1.24.0 1.23.0 1.22.0 1.21.0 1.20.1 1.20.0 1.19.1 1.19.0 1.18.2 1.18.1 1.18.0 1.17.4 1.17.3 1.17.2 1.17.1 1.17.0 1.16.0 1.15.2 1.15.1 1.15.0 1.14.3 1.14.2 1.14.0 1.13.0 1.12.1 1.12.0 1.11.0 1.10.1 1.10.0 1.9.0 1.8.6 1.8.5 1.8.4 1.8.3 1.8.2 1.8.0 1.7.1 1.7.0 1.6.6 retired 1.6.5 1.6.4 retired 1.6.3 1.6.2 1.6.1 1.6.0 1.5.7 1.5.6 1.5.5 1.5.4 1.5.3 1.5.2 1.5.1 1.5.0 1.4.10 1.4.8 1.4.7 1.4.6 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.2 1.3.1 1.3.0 1.2.0 1.1.0 1.0.6 1.0.5 1.0.2 1.0.1 0.15.2 0.15.0 0.14.3 0.14.2 0.14.1 0.14.0 0.13.1

Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support

Retired package: Release invalid - Use 3.0.1 instead
Security advisory: This version has known vulnerabilities. View advisories
HexDocs

Current section

Files

Jump to
Readme
116 Versions
6 Dependencies
Dependants
12 Advisories
Files
Activity
hackney c_src boringssl crypto cpu_aarch64_apple.cc
Raw

c_src/boringssl/crypto/cpu_aarch64_apple.cc 

// Copyright 2021 The BoringSSL Authors

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.



#include "internal.h"



#if defined(OPENSSL_AARCH64) && defined(OPENSSL_APPLE) && \

    !defined(OPENSSL_STATIC_ARMCAP) && !defined(OPENSSL_NO_ASM)



#include <sys/sysctl.h>

#include <sys/types.h>





static int has_hw_feature(const char *name) {

  int value;

  size_t len = sizeof(value);

  if (sysctlbyname(name, &value, &len, nullptr, 0) != 0) {

    return 0;

  }

  if (len != sizeof(int)) {

    // This should not happen. All the values queried should be integer-valued.

    assert(0);

    return 0;

  }



  // Per sys/sysctl.h:

  //

  //   Selectors that return errors are not support on the system. Supported

  //   features will return 1 if they are recommended or 0 if they are supported

  //   but are not expected to help performance. Future versions of these

  //   selectors may return larger values as necessary so it is best to test for

  //   non zero.

  return value != 0;

}



void OPENSSL_cpuid_setup(void) {

  // Apple ARM64 platforms have NEON and cryptography extensions available

  // statically, so we do not need to query them. In particular, there sometimes

  // are no sysctls corresponding to such features. See below.

#if !defined(__ARM_NEON) || !defined(__ARM_FEATURE_AES) || \

    !defined(__ARM_FEATURE_SHA2)

#error "NEON and crypto extensions should be statically available."

#endif

  OPENSSL_armcap_P =

      ARMV7_NEON | ARMV8_AES | ARMV8_PMULL | ARMV8_SHA1 | ARMV8_SHA256;



  // See Apple's documentation for sysctl names:

  // https://developer.apple.com/documentation/kernel/1387446-sysctlbyname/determining_instruction_set_characteristics

  //

  // The new feature names, e.g. "hw.optional.arm.FEAT_SHA512", are only

  // available in macOS 12. For compatibility with macOS 11, we also support

  // the old names. The old names don't have values for features like FEAT_AES,

  // so instead we detect them statically above.

  //

  // If querying new sysctls, update the Chromium sandbox definition. See

  // https://crrev.com/c/4415225.

  if (has_hw_feature("hw.optional.arm.FEAT_SHA512") ||

      has_hw_feature("hw.optional.armv8_2_sha512")) {

    OPENSSL_armcap_P |= ARMV8_SHA512;

  }

}



#endif  // OPENSSL_AARCH64 && OPENSSL_APPLE && !OPENSSL_STATIC_ARMCAP