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51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
//===- func-id-helper.h - XRay Function ID Conversion Helpers -------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Defines helper tools dealing with XRay-generated function ids.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_XRAY_FUNC_ID_HELPER_H
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#define LLVM_TOOLS_LLVM_XRAY_FUNC_ID_HELPER_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/DebugInfo/Symbolize/Symbolize.h"
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#include <unordered_map>
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namespace llvm {
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namespace xray {
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// This class consolidates common operations related to Function IDs.
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class FuncIdConversionHelper {
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public:
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using FunctionAddressMap = std::unordered_map<int32_t, uint64_t>;
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private:
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std::string BinaryInstrMap;
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symbolize::LLVMSymbolizer &Symbolizer;
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const FunctionAddressMap &FunctionAddresses;
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mutable llvm::DenseMap<int32_t, std::string> CachedNames;
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public:
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FuncIdConversionHelper(std::string BinaryInstrMap,
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symbolize::LLVMSymbolizer &Symbolizer,
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const FunctionAddressMap &FunctionAddresses)
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: BinaryInstrMap(std::move(BinaryInstrMap)), Symbolizer(Symbolizer),
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FunctionAddresses(FunctionAddresses) {}
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// Returns the symbol or a string representation of the function id.
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std::string SymbolOrNumber(int32_t FuncId) const;
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// Returns the file and column from debug info for the given function id.
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std::string FileLineAndColumn(int32_t FuncId) const;
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};
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} // namespace xray
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} // namespace llvm
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#endif // LLVM_TOOLS_LLVM_XRAY_FUNC_ID_HELPER_H
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