mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-21 04:11:50 +03:00
110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/*
|
|
* Copyright 2016 Facebook, Inc.
|
|
*
|
|
* 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
|
|
*
|
|
* http://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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
/* These definitions are in a separate file so that they
|
|
* may be included from C- as well as C++-based projects. */
|
|
|
|
/**
|
|
* Portable version check.
|
|
*/
|
|
#ifndef __GNUC_PREREQ
|
|
# if defined __GNUC__ && defined __GNUC_MINOR__
|
|
/* nolint */
|
|
# define __GNUC_PREREQ(maj, min) ((__GNUC__ << 16) + __GNUC_MINOR__ >= \
|
|
((maj) << 16) + (min))
|
|
# else
|
|
/* nolint */
|
|
# define __GNUC_PREREQ(maj, min) 0
|
|
# endif
|
|
#endif
|
|
|
|
/* Define a convenience macro to test when address sanitizer is being used
|
|
* across the different compilers (e.g. clang, gcc) */
|
|
#if defined(__clang__)
|
|
# if __has_feature(address_sanitizer)
|
|
# define FOLLY_SANITIZE_ADDRESS 1
|
|
# endif
|
|
#elif defined (__GNUC__) && \
|
|
(((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ >= 5)) && \
|
|
__SANITIZE_ADDRESS__
|
|
# define FOLLY_SANITIZE_ADDRESS 1
|
|
#endif
|
|
|
|
/* Define attribute wrapper for function attribute used to disable
|
|
* address sanitizer instrumentation. Unfortunately, this attribute
|
|
* has issues when inlining is used, so disable that as well. */
|
|
#ifdef FOLLY_SANITIZE_ADDRESS
|
|
# if defined(__clang__)
|
|
# if __has_attribute(__no_sanitize__)
|
|
# define FOLLY_DISABLE_ADDRESS_SANITIZER \
|
|
__attribute__((__no_sanitize__("address"), __noinline__))
|
|
# elif __has_attribute(__no_address_safety_analysis__)
|
|
# define FOLLY_DISABLE_ADDRESS_SANITIZER \
|
|
__attribute__((__no_address_safety_analysis__, __noinline__))
|
|
# elif __has_attribute(__no_sanitize_address__)
|
|
# define FOLLY_DISABLE_ADDRESS_SANITIZER \
|
|
__attribute__((__no_sanitize_address__, __noinline__))
|
|
# endif
|
|
# elif defined(__GNUC__)
|
|
# define FOLLY_DISABLE_ADDRESS_SANITIZER \
|
|
__attribute__((__no_address_safety_analysis__, __noinline__))
|
|
# endif
|
|
#endif
|
|
#ifndef FOLLY_DISABLE_ADDRESS_SANITIZER
|
|
# define FOLLY_DISABLE_ADDRESS_SANITIZER
|
|
#endif
|
|
|
|
/* Define a convenience macro to test when thread sanitizer is being used
|
|
* across the different compilers (e.g. clang, gcc) */
|
|
#if defined(__clang__)
|
|
# if __has_feature(thread_sanitizer)
|
|
# define FOLLY_SANITIZE_THREAD 1
|
|
# endif
|
|
#elif defined(__GNUC__) && __SANITIZE_THREAD__
|
|
# define FOLLY_SANITIZE_THREAD 1
|
|
#endif
|
|
|
|
/**
|
|
* ASAN/MSAN/TSAN define pre-processor symbols:
|
|
* ADDRESS_SANITIZER/MEMORY_SANITIZER/THREAD_SANITIZER.
|
|
*
|
|
* UBSAN doesn't define anything and makes it hard to
|
|
* conditionally compile.
|
|
*
|
|
* The build system should define UNDEFINED_SANITIZER=1 when UBSAN is
|
|
* used as folly whitelists some functions.
|
|
*/
|
|
#if UNDEFINED_SANITIZER
|
|
# define UBSAN_DISABLE(x) __attribute__((no_sanitize(x)))
|
|
#else
|
|
# define UBSAN_DISABLE(x)
|
|
#endif // UNDEFINED_SANITIZER
|
|
|
|
/**
|
|
* Macro for marking functions as having public visibility.
|
|
*/
|
|
#if defined(__GNUC__)
|
|
# if __GNUC_PREREQ(4, 9)
|
|
# define FOLLY_EXPORT [[gnu::visibility("default")]]
|
|
# else
|
|
# define FOLLY_EXPORT __attribute__((__visibility__("default")))
|
|
# endif
|
|
#else
|
|
# define FOLLY_EXPORT
|
|
#endif
|