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1 //===- PDBSymbolFunc.cpp - --------------------------------------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
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11
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12 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
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13 #include "llvm/DebugInfo/PDB/IPDBSession.h"
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14 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
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15 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
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16 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
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17 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
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18 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
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19 #include "llvm/Support/Format.h"
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20 #include <utility>
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21
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22 using namespace llvm;
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23 PDBSymbolFunc::PDBSymbolFunc(const IPDBSession &PDBSession,
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24 std::unique_ptr<IPDBRawSymbol> Symbol)
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25 : PDBSymbol(PDBSession, std::move(Symbol)) {}
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26
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27 std::unique_ptr<PDBSymbolTypeFunctionSig> PDBSymbolFunc::getSignature() const {
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28 return Session.getConcreteSymbolById<PDBSymbolTypeFunctionSig>(getTypeId());
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29 }
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30
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31 void PDBSymbolFunc::dump(raw_ostream &OS, int Indent,
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32 PDB_DumpLevel Level, PDB_DumpFlags Flags) const {
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33 uint32_t FuncStart = getRelativeVirtualAddress();
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34 uint32_t FuncEnd = FuncStart + getLength();
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35 OS << stream_indent(Indent);
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36 if (FuncStart == 0 && FuncEnd == 0) {
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37 OS << "func [???] ";
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38 } else {
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39 OS << "func ";
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40 OS << "[" << format_hex(FuncStart, 8);
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41 if (auto DebugStart = findOneChild<PDBSymbolFuncDebugStart>())
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42 OS << "+" << DebugStart->getRelativeVirtualAddress() - FuncStart;
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43 OS << " - " << format_hex(FuncEnd, 8);
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44 if (auto DebugEnd = findOneChild<PDBSymbolFuncDebugEnd>())
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45 OS << "-" << FuncEnd - DebugEnd->getRelativeVirtualAddress();
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46 OS << "] ";
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47 }
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48
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49 PDB_RegisterId Reg = getLocalBasePointerRegisterId();
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50 if (Reg == PDB_RegisterId::VFrame)
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51 OS << "(VFrame)";
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52 else if (hasFramePointer())
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53 OS << "(" << Reg << ")";
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54 else
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55 OS << "(FPO)";
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56
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57 OS << " ";
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58 if (isVirtual() || isPureVirtual())
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59 OS << "virtual ";
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60
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61 if (auto FuncSig = getSignature()) {
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62 // If we have a signature, dump the name with the signature.
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63 if (auto ReturnType = FuncSig->getReturnType()) {
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64 ReturnType->dump(OS, 0, PDB_DumpLevel::Compact, PDB_DF_Children);
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65 OS << " ";
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66 }
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67
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68 OS << FuncSig->getCallingConvention() << " ";
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69
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70 OS << getName();
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71 FuncSig->dumpArgList(OS);
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72 if (isPureVirtual())
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73 OS << " = 0";
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74 } else {
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75 uint32_t ClassId = getClassParentId();
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76 if (ClassId != 0) {
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77 if (auto Class = Session.getSymbolById(ClassId)) {
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78 if (auto UDT = dyn_cast<PDBSymbolTypeUDT>(Class.get()))
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79 OS << UDT->getName() << "::";
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80 else
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81 OS << "{class " << Class->getSymTag() << "}::";
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82 }
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83 }
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84 OS << getName();
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85 }
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86 }
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