1 //===- PDBSymbolFunc.cpp - --------------------------------------*- C++ -*-===// 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 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h" 11 12 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h" 13 #include "llvm/DebugInfo/PDB/IPDBSession.h" 14 #include "llvm/DebugInfo/PDB/PDBSymbol.h" 15 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h" 16 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h" 17 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h" 18 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h" 19 #include "llvm/Support/Format.h" 20 #include <utility> 21 22 using namespace llvm; 23 PDBSymbolFunc::PDBSymbolFunc(const IPDBSession &PDBSession, 24 std::unique_ptr<IPDBRawSymbol> Symbol) 25 : PDBSymbol(PDBSession, std::move(Symbol)) {} 26 27 std::unique_ptr<PDBSymbolTypeFunctionSig> PDBSymbolFunc::getSignature() const { 28 return Session.getConcreteSymbolById<PDBSymbolTypeFunctionSig>(getTypeId()); 29 } 30 31 void PDBSymbolFunc::dump(raw_ostream &OS, int Indent, 32 PDB_DumpLevel Level, PDB_DumpFlags Flags) const { 33 uint32_t FuncStart = getRelativeVirtualAddress(); 34 uint32_t FuncEnd = FuncStart + getLength(); 35 OS << stream_indent(Indent); 36 if (FuncStart == 0 && FuncEnd == 0) { 37 OS << "func [???] "; 38 } else { 39 OS << "func "; 40 OS << "[" << format_hex(FuncStart, 8); 41 if (auto DebugStart = findOneChild<PDBSymbolFuncDebugStart>()) 42 OS << "+" << DebugStart->getRelativeVirtualAddress() - FuncStart; 43 OS << " - " << format_hex(FuncEnd, 8); 44 if (auto DebugEnd = findOneChild<PDBSymbolFuncDebugEnd>()) 45 OS << "-" << FuncEnd - DebugEnd->getRelativeVirtualAddress(); 46 OS << "] "; 47 } 48 49 PDB_RegisterId Reg = getLocalBasePointerRegisterId(); 50 if (Reg == PDB_RegisterId::VFrame) 51 OS << "(VFrame)"; 52 else if (hasFramePointer()) 53 OS << "(" << Reg << ")"; 54 else 55 OS << "(FPO)"; 56 57 OS << " "; 58 if (isVirtual() || isPureVirtual()) 59 OS << "virtual "; 60 61 if (auto FuncSig = getSignature()) { 62 // If we have a signature, dump the name with the signature. 63 if (auto ReturnType = FuncSig->getReturnType()) { 64 ReturnType->dump(OS, 0, PDB_DumpLevel::Compact, PDB_DF_Children); 65 OS << " "; 66 } 67 68 OS << FuncSig->getCallingConvention() << " "; 69 70 OS << getName(); 71 FuncSig->dumpArgList(OS); 72 if (isPureVirtual()) 73 OS << " = 0"; 74 } else { 75 uint32_t ClassId = getClassParentId(); 76 if (ClassId != 0) { 77 if (auto Class = Session.getSymbolById(ClassId)) { 78 if (auto UDT = dyn_cast<PDBSymbolTypeUDT>(Class.get())) 79 OS << UDT->getName() << "::"; 80 else 81 OS << "{class " << Class->getSymTag() << "}::"; 82 } 83 } 84 OS << getName(); 85 } 86 } 87