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📄 msan.cpp(21.25 KB)
📄 msan.h(19.97 KB)
📄 msan.syms.extra(19 B)
📄 msan_allocator.cpp(12.12 KB)
📄 msan_allocator.h(1021 B)
📄 msan_blacklist.txt(350 B)
📄 msan_chained_origin_depot.cpp(3.42 KB)
📄 msan_chained_origin_depot.h(966 B)
📄 msan_flags.h(780 B)
📄 msan_flags.inc(1.4 KB)
📄 msan_interceptors.cpp(55.23 KB)
📄 msan_interface_internal.h(6.15 KB)
📄 msan_linux.cpp(7.29 KB)
📄 msan_new_delete.cpp(3.81 KB)
📄 msan_origin.h(5.27 KB)
📄 msan_poisoning.cpp(5.68 KB)
📄 msan_poisoning.h(2.22 KB)
📄 msan_report.cpp(7.72 KB)
📄 msan_report.h(1.09 KB)
📄 msan_thread.cpp(2.26 KB)
📄 msan_thread.h(1.98 KB)

Editing: msan_thread.h

//===-- msan_thread.h -------------------------------------------*- C++ -*-===//
//
// 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 MemorySanitizer.
//
//===----------------------------------------------------------------------===//

#ifndef MSAN_THREAD_H
#define MSAN_THREAD_H

#include "msan_allocator.h"
#include "sanitizer_common/sanitizer_common.h"

namespace __msan {

class MsanThread {
 public:
  static MsanThread *Create(thread_callback_t start_routine, void *arg);
  static void TSDDtor(void *tsd);
  void Destroy();

void Init();  // Should be called from the thread itself.
  thread_return_t ThreadStart();

uptr stack_top() { return stack_top_; }
  uptr stack_bottom() { return stack_bottom_; }
  uptr tls_begin() { return tls_begin_; }
  uptr tls_end() { return tls_end_; }
  bool IsMainThread() { return start_routine_ == nullptr; }

bool AddrIsInStack(uptr addr) {
    return addr >= stack_bottom_ && addr < stack_top_;
  }

bool InSignalHandler() { return in_signal_handler_; }
  void EnterSignalHandler() { in_signal_handler_++; }
  void LeaveSignalHandler() { in_signal_handler_--; }

MsanThreadLocalMallocStorage &malloc_storage() { return malloc_storage_; }

int destructor_iterations_;

private:
  // NOTE: There is no MsanThread constructor. It is allocated
  // via mmap() and *must* be valid in zero-initialized state.
  void SetThreadStackAndTls();
  void ClearShadowForThreadStackAndTLS();
  thread_callback_t start_routine_;
  void *arg_;
  uptr stack_top_;
  uptr stack_bottom_;
  uptr tls_begin_;
  uptr tls_end_;

unsigned in_signal_handler_;

MsanThreadLocalMallocStorage malloc_storage_;
};

MsanThread *GetCurrentThread();
void SetCurrentThread(MsanThread *t);

} // namespace __msan

#endif // MSAN_THREAD_H

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