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//===- llvm-pdbdump.cpp - Dump debug info from a PDB file -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Dumps debug information present in PDB files. This utility makes use of
// the Microsoft Windows SDK, so will not compile or run on non-Windows
// platforms.
//
//===----------------------------------------------------------------------===//
#include "llvm-pdbdump.h"
#include "CompilandDumper.h"
#include "FunctionDumper.h"
#include "TypeDumper.h"
#include "VariableDumper.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/PDB.h"
#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
#include "llvm/DebugInfo/PDB/PDBSymbolData.h"
#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
#include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Signals.h"
#if defined(HAVE_DIA_SDK)
#include <Windows.h>
#endif
using namespace llvm;
namespace opts {
enum class PDB_DumpType { ByType, ByObjFile, Both };
cl::list<std::string> InputFilenames(cl::Positional,
cl::desc("<input PDB files>"),
cl::OneOrMore);
cl::opt<bool> Compilands("compilands", cl::desc("Display compilands"));
cl::opt<bool> Symbols("symbols",
cl::desc("Display symbols for each compiland"));
cl::opt<bool> Globals("globals", cl::desc("Dump global symbols"));
cl::opt<bool> Types("types", cl::desc("Display types"));
cl::opt<bool> ClassDefs("class-definitions",
cl::desc("Display full class definitions"));
}
static void dumpInput(StringRef Path) {
std::unique_ptr<IPDBSession> Session(
llvm::createPDBReader(PDB_ReaderType::DIA, Path));
if (!Session) {
outs() << "Unable to create PDB reader. Check that a valid implementation";
outs() << " is available for your platform.";
return;
}
auto GlobalScope(Session->getGlobalScope());
std::string FileName(GlobalScope->getSymbolsFileName());
outs() << "Summary for " << FileName;
uint64_t FileSize = 0;
if (!llvm::sys::fs::file_size(FileName, FileSize))
outs() << newline(2) << "Size: " << FileSize << " bytes";
else
outs() << newline(2) << "Size: (Unable to obtain file size)";
outs() << newline(2) << "Guid: " << GlobalScope->getGuid();
outs() << newline(2) << "Age: " << GlobalScope->getAge();
outs() << newline(2) << "Attributes: ";
if (GlobalScope->hasCTypes())
outs() << "HasCTypes ";
if (GlobalScope->hasPrivateSymbols())
outs() << "HasPrivateSymbols ";
if (opts::Compilands) {
outs() << "\n---COMPILANDS---";
auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
CompilandDumper Dumper;
while (auto Compiland = Compilands->getNext())
Dumper.start(*Compiland, outs(), 2, false);
}
if (opts::Types) {
outs() << "\n---TYPES---";
TypeDumper Dumper(false, opts::ClassDefs);
Dumper.start(*GlobalScope, outs(), 2);
}
if (opts::Symbols) {
outs() << "\n---SYMBOLS---";
auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
CompilandDumper Dumper;
while (auto Compiland = Compilands->getNext())
Dumper.start(*Compiland, outs(), 2, true);
}
if (opts::Globals) {
outs() << "\n---GLOBALS---";
{
FunctionDumper Dumper;
auto Functions = GlobalScope->findAllChildren<PDBSymbolFunc>();
while (auto Function = Functions->getNext())
Dumper.start(*Function, FunctionDumper::PointerType::None, outs(), 2);
}
{
auto Vars = GlobalScope->findAllChildren<PDBSymbolData>();
VariableDumper Dumper;
while (auto Var = Vars->getNext())
Dumper.start(*Var, outs(), 2);
}
{
auto Thunks = GlobalScope->findAllChildren<PDBSymbolThunk>();
CompilandDumper Dumper;
while (auto Thunk = Thunks->getNext())
Dumper.dump(*Thunk, outs(), 2);
}
}
outs().flush();
}
int main(int argc_, const char *argv_[]) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc_, argv_);
SmallVector<const char *, 256> argv;
llvm::SpecificBumpPtrAllocator<char> ArgAllocator;
std::error_code EC = llvm::sys::Process::GetArgumentVector(
argv, llvm::makeArrayRef(argv_, argc_), ArgAllocator);
if (EC) {
llvm::errs() << "error: couldn't get arguments: " << EC.message() << '\n';
return 1;
}
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argv.size(), argv.data(), "LLVM PDB Dumper\n");
#if defined(HAVE_DIA_SDK)
CoInitializeEx(nullptr, COINIT_MULTITHREADED);
#endif
std::for_each(opts::InputFilenames.begin(), opts::InputFilenames.end(),
dumpInput);
#if defined(HAVE_DIA_SDK)
CoUninitialize();
#endif
return 0;
}
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