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) const { 33 OS << stream_indent(Indent); 34 // if (getName() == "__crtCreateThreadpoolWait") { 35 // RawSymbol->dump(OS, Indent+2, Level); 36 // OS.flush(); 37 //} 38 if (Level >= PDB_DumpLevel::Normal) { 39 uint32_t FuncStart = getRelativeVirtualAddress(); 40 uint32_t FuncEnd = FuncStart + getLength(); 41 if (FuncStart == 0 && FuncEnd == 0) { 42 OS << "func [???] "; 43 } else { 44 OS << "func "; 45 OS << "[" << format_hex(FuncStart, 8); 46 if (auto DebugStart = findOneChild<PDBSymbolFuncDebugStart>()) 47 OS << "+" << DebugStart->getRelativeVirtualAddress() - FuncStart; 48 OS << " - " << format_hex(FuncEnd, 8); 49 if (auto DebugEnd = findOneChild<PDBSymbolFuncDebugEnd>()) 50 OS << "-" << FuncEnd - DebugEnd->getRelativeVirtualAddress(); 51 OS << "] "; 52 } 53 54 PDB_RegisterId Reg = getLocalBasePointerRegisterId(); 55 if (Reg == PDB_RegisterId::VFrame) 56 OS << "(VFrame)"; 57 else if (hasFramePointer()) 58 OS << "(" << Reg << ")"; 59 else 60 OS << "(FPO)"; 61 62 OS << " "; 63 if (auto FuncSig = getSignature()) { 64 // If we have a signature, dump the name with the signature. 65 if (auto ReturnType = FuncSig->getReturnType()) { 66 ReturnType->dump(OS, 0, PDB_DumpLevel::Compact); 67 OS << " "; 68 } 69 70 OS << FuncSig->getCallingConvention() << " "; 71 72 if (auto ClassParent = FuncSig->getClassParent()) { 73 ClassParent->dump(OS, 0, PDB_DumpLevel::Compact); 74 OS << "::"; 75 } 76 77 OS << getName(); 78 FuncSig->dumpArgList(OS); 79 } else { 80 uint32_t ClassId = getClassParentId(); 81 if (ClassId != 0) { 82 if (auto Class = Session.getSymbolById(ClassId)) { 83 if (auto UDT = dyn_cast<PDBSymbolTypeUDT>(Class.get())) 84 OS << UDT->getName() << "::"; 85 else 86 OS << "{class " << Class->getSymTag() << "}::"; 87 } 88 } 89 OS << getName(); 90 } 91 } else { 92 OS << getName(); 93 } 94 } 95