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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| #include "pch.h" | ||
| #include "SymbolManager.h" | ||
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| SymbolManager& SymbolManager::Get() { | ||
| static SymbolManager mgr; | ||
| return mgr; | ||
| } | ||
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| SymbolManager::~SymbolManager() { | ||
| Term(); | ||
| } | ||
|
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| void SymbolManager::Term() { | ||
| _procSymbols.clear(); | ||
| } | ||
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| SymbolsHandler* SymbolManager::GetCommon() { | ||
| return &_commonSymbols; | ||
| } | ||
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| SymbolsHandler* SymbolManager::GetForProcess(DWORD pid) { | ||
| auto it = _procSymbols.find(pid); | ||
| if (it == _procSymbols.end()) { | ||
| // attempt to get one | ||
|
|
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| auto symbols = SymbolsHandler::CreateForProcess(pid); | ||
| if (symbols == nullptr) | ||
| return nullptr; | ||
| auto sym = symbols.get(); | ||
| _procSymbols.insert({ pid, std::move(symbols) }); | ||
| return sym; | ||
| } | ||
| if (::WaitForSingleObject(it->second->GetHandle(), 0) == WAIT_OBJECT_0) { | ||
| // process dead, remove and try again | ||
| _procSymbols.erase(pid); | ||
| return GetForProcess(pid); | ||
| } | ||
| return it->second.get(); | ||
| } | ||
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| std::unique_ptr<SymbolInfo> SymbolManager::GetSymbolFromAddress(DWORD pid, DWORD64 address, PDWORD64 offset) { | ||
| if ((int64_t)address < 0) { | ||
| // kernel address | ||
| _commonSymbols.LoadKernelModule(address); | ||
| return _commonSymbols.GetSymbolFromAddress(address, offset); | ||
| } | ||
|
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| auto handler = GetForProcess(pid); | ||
| if (handler) { | ||
| auto symbol = handler->GetSymbolFromAddress(address, offset); | ||
| if (symbol) | ||
| return symbol; | ||
| } | ||
| return nullptr; | ||
| } | ||
|
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| SymbolManager::SymbolManager() { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| #pragma once | ||
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| #include "SymbolsHandler.h" | ||
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| class SymbolManager { | ||
| public: | ||
| static SymbolManager& Get(); | ||
| ~SymbolManager(); | ||
| void Term(); | ||
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| SymbolsHandler* GetCommon(); | ||
| SymbolsHandler* GetForProcess(DWORD pid); | ||
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| std::unique_ptr<SymbolInfo> GetSymbolFromAddress(DWORD pid, DWORD64 address, PDWORD64 offset = nullptr); | ||
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| private: | ||
| SymbolManager(); | ||
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| SymbolsHandler _commonSymbols; | ||
| std::unordered_map<DWORD, std::unique_ptr<SymbolsHandler>> _procSymbols; | ||
| }; | ||
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