llvm-project/llvm/tools/llvm-xray/func-id-helper.h
serge-sans-paille db29f4374d Cleanup include: DebugInfo/Symbolize
Estimation of the impact on preprocessor output
after: 1067349756
before:1067487786

Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup
Differential Revision: https://reviews.llvm.org/D120433
2022-02-24 13:25:11 +01:00

52 lines
1.8 KiB
C++

//===- func-id-helper.h - XRay Function ID Conversion Helpers -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Defines helper tools dealing with XRay-generated function ids.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_XRAY_FUNC_ID_HELPER_H
#define LLVM_TOOLS_LLVM_XRAY_FUNC_ID_HELPER_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
#include "llvm/DebugInfo/Symbolize/Symbolize.h"
#include <unordered_map>
namespace llvm {
namespace xray {
// This class consolidates common operations related to Function IDs.
class FuncIdConversionHelper {
public:
using FunctionAddressMap = std::unordered_map<int32_t, uint64_t>;
private:
std::string BinaryInstrMap;
symbolize::LLVMSymbolizer &Symbolizer;
const FunctionAddressMap &FunctionAddresses;
mutable llvm::DenseMap<int32_t, std::string> CachedNames;
public:
FuncIdConversionHelper(std::string BinaryInstrMap,
symbolize::LLVMSymbolizer &Symbolizer,
const FunctionAddressMap &FunctionAddresses)
: BinaryInstrMap(std::move(BinaryInstrMap)), Symbolizer(Symbolizer),
FunctionAddresses(FunctionAddresses) {}
// Returns the symbol or a string representation of the function id.
std::string SymbolOrNumber(int32_t FuncId) const;
// Returns the file and column from debug info for the given function id.
std::string FileLineAndColumn(int32_t FuncId) const;
};
} // namespace xray
} // namespace llvm
#endif // LLVM_TOOLS_LLVM_XRAY_FUNC_ID_HELPER_H