Viewing file:  sanitizer_chained_origin_depot.h (1.37 KB) -rw-r--r--
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//===-- sanitizer_chained_origin_depot.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
//
//===----------------------------------------------------------------------===//
//
// A storage for chained origins.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_CHAINED_ORIGIN_DEPOT_H
#define SANITIZER_CHAINED_ORIGIN_DEPOT_H
#include "sanitizer_common.h"
namespace __sanitizer {
class ChainedOriginDepot {
public:
ChainedOriginDepot();
// Gets the statistic of the origin chain storage.
StackDepotStats GetStats() const;
// Stores a chain with StackDepot ID here_id and previous chain ID prev_id.
// If successful, returns true and the new chain id new_id.
// If the same element already exists, returns false and sets new_id to the
// existing ID.
bool Put(u32 here_id, u32 prev_id, u32 *new_id);
// Retrieves the stored StackDepot ID for the given origin ID.
u32 Get(u32 id, u32 *other);
void LockAll();
void UnlockAll();
private:
ChainedOriginDepot(const ChainedOriginDepot &) = delete;
void operator=(const ChainedOriginDepot &) = delete;
};
} // namespace __sanitizer
#endif // SANITIZER_CHAINED_ORIGIN_DEPOT_H
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