module_cache.h | Explore in Territory

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_PROFILER_MODULE_CACHE_H_
#define BASE_PROFILER_MODULE_CACHE_H_

#include <memory>
#include <set>
#include <string>
#include <string_view>
#include <vector>

#include "base/base_export.h"
#include "base/containers/flat_set.h"
#include "base/files/file_path.h"
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"

#if BUILDFLAG(IS_WIN)
#include "base/win/windows_types.h"
#endif

namespace base {

// Converts module id to match the id that the Google-internal symbol server
// expects.
BASE_EXPORT std::string TransformModuleIDToSymbolServerFormat(
    std::string_view module_id);

// Supports cached lookup of modules by address, with caching based on module
// address ranges.
//
// Cached lookup is necessary on Mac for performance, due to an inefficient
// dladdr implementation. See https://crrev.com/487092.
//
// Cached lookup is beneficial on Windows to minimize use of the loader
// lock. Note however that the cache retains a handle to looked-up modules for
// its lifetime, which may result in pinning modules in memory that were
// transiently loaded by the OS.
class BASE_EXPORT ModuleCache { … };

}  // namespace base

#endif  // BASE_PROFILER_MODULE_CACHE_H_
chromium/base/profiler/module_cache.h
