llvm/compiler-rt/lib/tsan/rtl/tsan_platform_posix.cpp

//===-- tsan_platform_posix.cpp -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
// POSIX-specific code.
//===----------------------------------------------------------------------===//

#include "sanitizer_common/sanitizer_platform.h"
#if SANITIZER_POSIX

#  include <dlfcn.h>

#  include "sanitizer_common/sanitizer_common.h"
#  include "sanitizer_common/sanitizer_errno.h"
#  include "sanitizer_common/sanitizer_libc.h"
#  include "sanitizer_common/sanitizer_procmaps.h"
#  include "tsan_platform.h"
#  include "tsan_rtl.h"

namespace __tsan {

static const char kShadowMemoryMappingWarning[] = …;
static const char kShadowMemoryMappingHint[] = …;

#  if !SANITIZER_GO
void DontDumpShadow(uptr addr, uptr size) { … }

void InitializeShadowMemory() { … }

static bool TryProtectRange(uptr beg, uptr end) { … }

static void ProtectRange(uptr beg, uptr end) { … }

// CheckAndProtect will check if the memory layout is compatible with TSan.
// Optionally (if 'protect' is true), it will set the memory regions between
// app memory to be inaccessible.
// 'ignore_heap' means it will not consider heap memory allocations to be a
// conflict. Set this based on whether we are calling CheckAndProtect before
// or after the allocator has initialized the heap.
bool CheckAndProtect(bool protect, bool ignore_heap, bool print_warnings) { … }
#  endif

}  // namespace __tsan

#endif  // SANITIZER_POSIX