1 //===- xray-fc-account.cpp: XRay Function Call Accounting Tool ------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Implementation of the helper tools dealing with XRay-generated function ids. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "func-id-helper.h" 15 #include "llvm/Support/Path.h" 16 #include <sstream> 17 18 using namespace llvm; 19 using namespace xray; 20 21 std::string FuncIdConversionHelper::SymbolOrNumber(int32_t FuncId) const { 22 auto CacheIt = CachedNames.find(FuncId); 23 if (CacheIt != CachedNames.end()) 24 return CacheIt->second; 25 26 std::ostringstream F; 27 auto It = FunctionAddresses.find(FuncId); 28 if (It == FunctionAddresses.end()) { 29 F << "#" << FuncId; 30 return F.str(); 31 } 32 33 if (auto ResOrErr = Symbolizer.symbolizeCode(BinaryInstrMap, It->second)) { 34 auto &DI = *ResOrErr; 35 if (DI.FunctionName == "<invalid>") 36 F << "@(" << std::hex << It->second << ")"; 37 else 38 F << DI.FunctionName; 39 } else 40 handleAllErrors(ResOrErr.takeError(), [&](const ErrorInfoBase &) { 41 F << "@(" << std::hex << It->second << ")"; 42 }); 43 44 auto S = F.str(); 45 CachedNames[FuncId] = S; 46 return S; 47 } 48 49 std::string FuncIdConversionHelper::FileLineAndColumn(int32_t FuncId) const { 50 auto It = FunctionAddresses.find(FuncId); 51 if (It == FunctionAddresses.end()) 52 return "(unknown)"; 53 54 std::ostringstream F; 55 auto ResOrErr = Symbolizer.symbolizeCode(BinaryInstrMap, It->second); 56 if (!ResOrErr) { 57 consumeError(ResOrErr.takeError()); 58 return "(unknown)"; 59 } 60 61 auto &DI = *ResOrErr; 62 F << sys::path::filename(DI.FileName).str() << ":" << DI.Line << ":" 63 << DI.Column; 64 65 return F.str(); 66 } 67
