| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/sampling_heap_profiler/module_cache.h" |
| |
| #include <utility> |
| |
| namespace base { |
| |
| ModuleCache::ModuleCache() = default; |
| ModuleCache::~ModuleCache() = default; |
| |
| const ModuleCache::Module* ModuleCache::GetModuleForAddress(uintptr_t address) { |
| auto it = modules_cache_map_.upper_bound(address); |
| if (it != modules_cache_map_.begin()) { |
| DCHECK(!modules_cache_map_.empty()); |
| --it; |
| const Module* module = it->second.get(); |
| if (address < module->GetBaseAddress() + module->GetSize()) |
| return module; |
| } |
| |
| std::unique_ptr<Module> module = CreateModuleForAddress(address); |
| if (!module) |
| return nullptr; |
| return modules_cache_map_.emplace(module->GetBaseAddress(), std::move(module)) |
| .first->second.get(); |
| } |
| |
| std::vector<const ModuleCache::Module*> ModuleCache::GetModules() const { |
| std::vector<const Module*> result; |
| result.reserve(modules_cache_map_.size()); |
| for (const auto& it : modules_cache_map_) |
| result.push_back(it.second.get()); |
| return result; |
| } |
| |
| } // namespace base |