mirror of
https://github.com/danog/libtgvoip.git
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5caaaafa42
I'm now using the entire audio processing module from WebRTC as opposed to individual DSP algorithms pulled from there before. Seems to work better this way.
146 lines
4.3 KiB
C++
146 lines
4.3 KiB
C++
/*
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* Copyright 2016 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_SANITIZER_H_
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#define RTC_BASE_SANITIZER_H_
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#include <stddef.h> // For size_t.
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#ifdef __cplusplus
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#include <type_traits>
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#endif
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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#define RTC_HAS_ASAN 1
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#endif
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#if __has_feature(memory_sanitizer)
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#define RTC_HAS_MSAN 1
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#endif
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#endif
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#ifndef RTC_HAS_ASAN
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#define RTC_HAS_ASAN 0
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#endif
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#ifndef RTC_HAS_MSAN
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#define RTC_HAS_MSAN 0
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#endif
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#if RTC_HAS_ASAN
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#include <sanitizer/asan_interface.h>
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#endif
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#if RTC_HAS_MSAN
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#include <sanitizer/msan_interface.h>
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#endif
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#ifdef __has_attribute
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#if __has_attribute(no_sanitize)
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#define RTC_NO_SANITIZE(what) __attribute__((no_sanitize(what)))
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#endif
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#endif
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#ifndef RTC_NO_SANITIZE
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#define RTC_NO_SANITIZE(what)
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#endif
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// Ask ASan to mark the memory range [ptr, ptr + element_size * num_elements)
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// as being unaddressable, so that reads and writes are not allowed. ASan may
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// narrow the range to the nearest alignment boundaries.
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static inline void rtc_AsanPoison(const volatile void* ptr,
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size_t element_size,
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size_t num_elements) {
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#if RTC_HAS_ASAN
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ASAN_POISON_MEMORY_REGION(ptr, element_size * num_elements);
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#endif
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}
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// Ask ASan to mark the memory range [ptr, ptr + element_size * num_elements)
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// as being addressable, so that reads and writes are allowed. ASan may widen
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// the range to the nearest alignment boundaries.
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static inline void rtc_AsanUnpoison(const volatile void* ptr,
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size_t element_size,
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size_t num_elements) {
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#if RTC_HAS_ASAN
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ASAN_UNPOISON_MEMORY_REGION(ptr, element_size * num_elements);
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#endif
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}
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// Ask MSan to mark the memory range [ptr, ptr + element_size * num_elements)
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// as being uninitialized.
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static inline void rtc_MsanMarkUninitialized(const volatile void* ptr,
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size_t element_size,
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size_t num_elements) {
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#if RTC_HAS_MSAN
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__msan_poison(ptr, element_size * num_elements);
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#endif
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}
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// Force an MSan check (if any bits in the memory range [ptr, ptr +
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// element_size * num_elements) are uninitialized the call will crash with an
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// MSan report).
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static inline void rtc_MsanCheckInitialized(const volatile void* ptr,
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size_t element_size,
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size_t num_elements) {
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#if RTC_HAS_MSAN
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__msan_check_mem_is_initialized(ptr, element_size * num_elements);
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#endif
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}
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#ifdef __cplusplus
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namespace rtc {
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namespace sanitizer_impl {
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template <typename T>
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constexpr bool IsTriviallyCopyable() {
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/* return static_cast<bool>(std::is_trivially_copy_constructible<T>::value &&
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(std::is_trivially_copy_assignable<T>::value ||
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!std::is_copy_assignable<T>::value) &&
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std::is_trivially_destructible<T>::value);*/
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return false; // I don't care, just compile please. Grishka
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}
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} // namespace sanitizer_impl
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template <typename T>
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inline void AsanPoison(const T& mem) {
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rtc_AsanPoison(mem.data(), sizeof(mem.data()[0]), mem.size());
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}
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template <typename T>
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inline void AsanUnpoison(const T& mem) {
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rtc_AsanUnpoison(mem.data(), sizeof(mem.data()[0]), mem.size());
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}
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template <typename T>
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inline void MsanMarkUninitialized(const T& mem) {
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rtc_MsanMarkUninitialized(mem.data(), sizeof(mem.data()[0]), mem.size());
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}
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template <typename T>
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inline T MsanUninitialized(T t) {
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#if RTC_HAS_MSAN
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// TODO(bugs.webrtc.org/8762): Switch to std::is_trivially_copyable when it
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// becomes available in downstream projects.
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static_assert(sanitizer_impl::IsTriviallyCopyable<T>(), "");
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#endif
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rtc_MsanMarkUninitialized(&t, sizeof(T), 1);
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return t;
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}
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template <typename T>
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inline void MsanCheckInitialized(const T& mem) {
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rtc_MsanCheckInitialized(mem.data(), sizeof(mem.data()[0]), mem.size());
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}
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} // namespace rtc
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#endif // __cplusplus
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#endif // RTC_BASE_SANITIZER_H_
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