contrib/llvm/tools/llvm-pdbutil/PrettyCompilandDumper.cpp

   1 //===- PrettyCompilandDumper.cpp - llvm-pdbutil compiland dumper -*- C++ *-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "PrettyCompilandDumper.h"
  10
  11 #include "LinePrinter.h"
  12 #include "PrettyFunctionDumper.h"
  13 #include "llvm-pdbutil.h"
  14
  15 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
  16 #include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
  17 #include "llvm/DebugInfo/PDB/IPDBSession.h"
  18 #include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
  19 #include "llvm/DebugInfo/PDB/PDBExtras.h"
  20 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
  21 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
  22 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
  23 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
  24 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
  25 #include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
  26 #include "llvm/DebugInfo/PDB/PDBSymbolLabel.h"
  27 #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
  28 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
  29 #include "llvm/DebugInfo/PDB/PDBSymbolUnknown.h"
  30 #include "llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h"
  31 #include "llvm/Support/Format.h"
  32 #include "llvm/Support/Path.h"
  33 #include "llvm/Support/raw_ostream.h"
  34
  35 #include <utility>
  36
  37 using namespace llvm;
  38 using namespace llvm::pdb;
  39
  40 CompilandDumper::CompilandDumper(LinePrinter &P)
  41     : PDBSymDumper(true), Printer(P) {}
  42
  43 void CompilandDumper::dump(const PDBSymbolCompilandDetails &Symbol) {}
  44
  45 void CompilandDumper::dump(const PDBSymbolCompilandEnv &Symbol) {}
  46
  47 void CompilandDumper::start(const PDBSymbolCompiland &Symbol,
  48                             CompilandDumpFlags opts) {
  49   std::string FullName = Symbol.getName();
  50   if (Printer.IsCompilandExcluded(FullName))
  51     return;
  52
  53   Printer.NewLine();
  54   WithColor(Printer, PDB_ColorItem::Path).get() << FullName;
  55
  56   if (opts & Flags::Lines) {
  57     const IPDBSession &Session = Symbol.getSession();
  58     if (auto Files = Session.getSourceFilesForCompiland(Symbol)) {
  59       Printer.Indent();
  60       while (auto File = Files->getNext()) {
  61         Printer.NewLine();
  62         WithColor(Printer, PDB_ColorItem::Path).get() << File->getFileName();
  63         if (File->getChecksumType() != PDB_Checksum::None) {
  64           auto ChecksumType = File->getChecksumType();
  65           auto ChecksumHexString = toHex(File->getChecksum());
  66           WithColor(Printer, PDB_ColorItem::Comment).get()
  67               << " (" << ChecksumType << ": " << ChecksumHexString << ")";
  68         }
  69
  70         auto Lines = Session.findLineNumbers(Symbol, *File);
  71         if (!Lines)
  72           continue;
  73
  74         Printer.Indent();
  75         while (auto Line = Lines->getNext()) {
  76           Printer.NewLine();
  77           uint32_t LineStart = Line->getLineNumber();
  78           uint32_t LineEnd = Line->getLineNumberEnd();
  79
  80           Printer << "Line ";
  81           PDB_ColorItem StatementColor = Line->isStatement()
  82             ? PDB_ColorItem::Keyword
  83             : PDB_ColorItem::LiteralValue;
  84           WithColor(Printer, StatementColor).get() << LineStart;
  85           if (LineStart != LineEnd)
  86             WithColor(Printer, StatementColor).get() << " - " << LineEnd;
  87
  88           uint32_t ColumnStart = Line->getColumnNumber();
  89           uint32_t ColumnEnd = Line->getColumnNumberEnd();
  90           if (ColumnStart != 0 || ColumnEnd != 0) {
  91             Printer << ", Column: ";
  92             WithColor(Printer, StatementColor).get() << ColumnStart;
  93             if (ColumnEnd != ColumnStart)
  94               WithColor(Printer, StatementColor).get() << " - " << ColumnEnd;
  95           }
  96
  97           Printer << ", Address: ";
  98           if (Line->getLength() > 0) {
  99             uint64_t AddrStart = Line->getVirtualAddress();
 100             uint64_t AddrEnd = AddrStart + Line->getLength() - 1;
 101             WithColor(Printer, PDB_ColorItem::Address).get()
 102               << "[" << format_hex(AddrStart, 10) << " - "
 103               << format_hex(AddrEnd, 10) << "]";
 104             Printer << " (" << Line->getLength() << " bytes)";
 105           } else {
 106             uint64_t AddrStart = Line->getVirtualAddress();
 107             WithColor(Printer, PDB_ColorItem::Address).get()
 108               << "[" << format_hex(AddrStart, 10) << "] ";
 109             Printer << "(0 bytes)";
 110           }
 111         }
 112         Printer.Unindent();
 113       }
 114       Printer.Unindent();
 115     }
 116   }
 117
 118   if (opts & Flags::Children) {
 119     if (auto ChildrenEnum = Symbol.findAllChildren()) {
 120       Printer.Indent();
 121       while (auto Child = ChildrenEnum->getNext())
 122         Child->dump(*this);
 123       Printer.Unindent();
 124     }
 125   }
 126 }
 127
 128 void CompilandDumper::dump(const PDBSymbolData &Symbol) {
 129   if (!shouldDumpSymLevel(opts::pretty::SymLevel::Data))
 130     return;
 131   if (Printer.IsSymbolExcluded(Symbol.getName()))
 132     return;
 133
 134   Printer.NewLine();
 135
 136   switch (auto LocType = Symbol.getLocationType()) {
 137   case PDB_LocType::Static:
 138     Printer << "data: ";
 139     WithColor(Printer, PDB_ColorItem::Address).get()
 140         << "[" << format_hex(Symbol.getVirtualAddress(), 10) << "]";
 141
 142     WithColor(Printer, PDB_ColorItem::Comment).get()
 143         << " [sizeof = " << getTypeLength(Symbol) << "]";
 144
 145     break;
 146   case PDB_LocType::Constant:
 147     Printer << "constant: ";
 148     WithColor(Printer, PDB_ColorItem::LiteralValue).get()
 149         << "[" << Symbol.getValue() << "]";
 150     WithColor(Printer, PDB_ColorItem::Comment).get()
 151         << " [sizeof = " << getTypeLength(Symbol) << "]";
 152     break;
 153   default:
 154     Printer << "data(unexpected type=" << LocType << ")";
 155   }
 156
 157   Printer << " ";
 158   WithColor(Printer, PDB_ColorItem::Identifier).get() << Symbol.getName();
 159 }
 160
 161 void CompilandDumper::dump(const PDBSymbolFunc &Symbol) {
 162   if (!shouldDumpSymLevel(opts::pretty::SymLevel::Functions))
 163     return;
 164   if (Symbol.getLength() == 0)
 165     return;
 166   if (Printer.IsSymbolExcluded(Symbol.getName()))
 167     return;
 168
 169   Printer.NewLine();
 170   FunctionDumper Dumper(Printer);
 171   Dumper.start(Symbol, FunctionDumper::PointerType::None);
 172 }
 173
 174 void CompilandDumper::dump(const PDBSymbolLabel &Symbol) {
 175   if (Printer.IsSymbolExcluded(Symbol.getName()))
 176     return;
 177
 178   Printer.NewLine();
 179   Printer << "label ";
 180   WithColor(Printer, PDB_ColorItem::Address).get()
 181       << "[" << format_hex(Symbol.getVirtualAddress(), 10) << "] ";
 182   WithColor(Printer, PDB_ColorItem::Identifier).get() << Symbol.getName();
 183 }
 184
 185 void CompilandDumper::dump(const PDBSymbolThunk &Symbol) {
 186   if (!shouldDumpSymLevel(opts::pretty::SymLevel::Thunks))
 187     return;
 188   if (Printer.IsSymbolExcluded(Symbol.getName()))
 189     return;
 190
 191   Printer.NewLine();
 192   Printer << "thunk ";
 193   codeview::ThunkOrdinal Ordinal = Symbol.getThunkOrdinal();
 194   uint64_t VA = Symbol.getVirtualAddress();
 195   if (Ordinal == codeview::ThunkOrdinal::TrampIncremental) {
 196     uint64_t Target = Symbol.getTargetVirtualAddress();
 197     WithColor(Printer, PDB_ColorItem::Address).get() << format_hex(VA, 10);
 198     Printer << " -> ";
 199     WithColor(Printer, PDB_ColorItem::Address).get() << format_hex(Target, 10);
 200   } else {
 201     WithColor(Printer, PDB_ColorItem::Address).get()
 202         << "[" << format_hex(VA, 10) << " - "
 203         << format_hex(VA + Symbol.getLength(), 10) << "]";
 204   }
 205   Printer << " (";
 206   WithColor(Printer, PDB_ColorItem::Register).get() << Ordinal;
 207   Printer << ") ";
 208   std::string Name = Symbol.getName();
 209   if (!Name.empty())
 210     WithColor(Printer, PDB_ColorItem::Identifier).get() << Name;
 211 }
 212
 213 void CompilandDumper::dump(const PDBSymbolTypeTypedef &Symbol) {}
 214
 215 void CompilandDumper::dump(const PDBSymbolUnknown &Symbol) {
 216   Printer.NewLine();
 217   Printer << "unknown (" << Symbol.getSymTag() << ")";
 218 }
 219
 220 void CompilandDumper::dump(const PDBSymbolUsingNamespace &Symbol) {
 221   if (Printer.IsSymbolExcluded(Symbol.getName()))
 222     return;
 223
 224   Printer.NewLine();
 225   Printer << "using namespace ";
 226   std::string Name = Symbol.getName();
 227   WithColor(Printer, PDB_ColorItem::Identifier).get() << Name;
 228 }