mirror of
https://github.com/gcc-mirror/gcc.git
synced 2024-11-21 13:40:47 +00:00
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//===-- sanitizer_stackdepot.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 shared between AddressSanitizer and ThreadSanitizer
|
|
// run-time libraries.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SANITIZER_STACKDEPOT_H
|
|
#define SANITIZER_STACKDEPOT_H
|
|
|
|
#include "sanitizer_common.h"
|
|
#include "sanitizer_internal_defs.h"
|
|
#include "sanitizer_stacktrace.h"
|
|
|
|
namespace __sanitizer {
|
|
|
|
// StackDepot efficiently stores huge amounts of stack traces.
|
|
struct StackDepotNode;
|
|
struct StackDepotHandle {
|
|
StackDepotNode *node_ = nullptr;
|
|
u32 id_ = 0;
|
|
StackDepotHandle(StackDepotNode *node, u32 id) : node_(node), id_(id) {}
|
|
bool valid() const { return node_; }
|
|
u32 id() const { return id_; }
|
|
int use_count() const;
|
|
void inc_use_count_unsafe();
|
|
};
|
|
|
|
const int kStackDepotMaxUseCount = 1U << (SANITIZER_ANDROID ? 16 : 20);
|
|
|
|
StackDepotStats StackDepotGetStats();
|
|
u32 StackDepotPut(StackTrace stack);
|
|
StackDepotHandle StackDepotPut_WithHandle(StackTrace stack);
|
|
// Retrieves a stored stack trace by the id.
|
|
StackTrace StackDepotGet(u32 id);
|
|
|
|
void StackDepotLockBeforeFork();
|
|
void StackDepotUnlockAfterFork(bool fork_child);
|
|
void StackDepotPrintAll();
|
|
void StackDepotStopBackgroundThread();
|
|
|
|
void StackDepotTestOnlyUnmap();
|
|
|
|
} // namespace __sanitizer
|
|
|
|
#endif // SANITIZER_STACKDEPOT_H
|