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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/ADT/ArrayRef.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm-pdbdump.h"
#include "COMExtras.h"
#include "DIAExtras.h"
#include "DIASymbol.h"
using namespace llvm;
using namespace llvm::sys::windows;
namespace opts {
cl::list<std::string> InputFilenames(cl::Positional,
cl::desc("<input PDB files>"),
cl::OneOrMore);
cl::opt<bool> Streams("streams", cl::desc("Display data stream information"));
cl::alias StreamsShort("s", cl::desc("Alias for --streams"),
cl::aliasopt(Streams));
cl::opt<bool> StreamData("stream-data",
cl::desc("Dumps stream record data as bytes"));
cl::alias StreamDataShort("S", cl::desc("Alias for --stream-data"),
cl::aliasopt(StreamData));
cl::opt<bool> Tables("tables",
cl::desc("Display summary information for all of the "
"debug tables in the input file"));
cl::alias TablesShort("t", cl::desc("Alias for --tables"),
cl::aliasopt(Tables));
}
static void dumpBasicFileInfo(StringRef Path, IDiaSession *Session) {
CComPtr<IDiaSymbol> GlobalScope;
HRESULT hr = Session->get_globalScope(&GlobalScope);
DIASymbol GlobalScopeSymbol(GlobalScope);
if (S_OK == hr)
GlobalScopeSymbol.getSymbolsFileName().dump("File", 0);
else
outs() << "File: " << Path << "\n";
HANDLE FileHandle = ::CreateFile(
Path.data(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
LARGE_INTEGER FileSize;
if (INVALID_HANDLE_VALUE != FileHandle) {
outs().indent(2);
if (::GetFileSizeEx(FileHandle, &FileSize))
outs() << "Size: " << FileSize.QuadPart << " bytes\n";
else
outs() << "Size: (Unable to obtain file size)\n";
FILETIME ModifiedTime;
outs().indent(2);
if (::GetFileTime(FileHandle, nullptr, nullptr, &ModifiedTime)) {
ULARGE_INTEGER TimeInteger;
TimeInteger.LowPart = ModifiedTime.dwLowDateTime;
TimeInteger.HighPart = ModifiedTime.dwHighDateTime;
llvm::sys::TimeValue Time;
Time.fromWin32Time(TimeInteger.QuadPart);
outs() << "Timestamp: " << Time.str() << "\n";
} else {
outs() << "Timestamp: (Unable to obtain time stamp)\n";
}
::CloseHandle(FileHandle);
}
if (S_OK == hr)
GlobalScopeSymbol.fullDump(2);
outs() << "\n";
outs().flush();
}
static void dumpDataStreams(IDiaSession *Session) {
CComPtr<IDiaEnumDebugStreams> DebugStreams = nullptr;
if (FAILED(Session->getEnumDebugStreams(&DebugStreams)))
return;
LONG Count = 0;
if (FAILED(DebugStreams->get_Count(&Count)))
return;
outs() << "Data Streams [count=" << Count << "]\n";
std::string Name8;
for (auto Stream : make_com_enumerator(DebugStreams)) {
BSTR Name16;
if (FAILED(Stream->get_name(&Name16)))
continue;
if (BSTRToUTF8(Name16, Name8))
outs() << " " << Name8;
::SysFreeString(Name16);
if (FAILED(Stream->get_Count(&Count))) {
outs() << "\n";
continue;
}
outs() << " [" << Count << " records]\n";
if (opts::StreamData) {
int RecordIndex = 0;
for (auto StreamRecord : make_com_data_record_enumerator(Stream)) {
outs() << " Record " << RecordIndex << " [" << StreamRecord.size()
<< " bytes]";
for (uint8_t byte : StreamRecord) {
outs() << " " << llvm::format_hex_no_prefix(byte, 2, true);
}
outs() << "\n";
++RecordIndex;
}
}
}
outs() << "\n";
outs().flush();
}
static void dumpDebugTables(IDiaSession *Session) {
CComPtr<IDiaEnumTables> EnumTables = nullptr;
if (SUCCEEDED(Session->getEnumTables(&EnumTables))) {
LONG Count = 0;
if (FAILED(EnumTables->get_Count(&Count)))
return;
outs() << "Debug Tables [count=" << Count << "]\n";
std::string Name8;
for (auto Table : make_com_enumerator(EnumTables)) {
BSTR Name16;
if (FAILED(Table->get_name(&Name16)))
continue;
if (BSTRToUTF8(Name16, Name8))
outs() << " " << Name8;
::SysFreeString(Name16);
if (SUCCEEDED(Table->get_Count(&Count))) {
outs() << " [" << Count << " items]\n";
} else
outs() << "\n";
}
}
outs() << "\n";
outs().flush();
}
static void dumpInput(StringRef Path) {
SmallVector<UTF16, 128> Path16String;
llvm::convertUTF8ToUTF16String(Path, Path16String);
wchar_t *Path16 = reinterpret_cast<wchar_t *>(Path16String.data());
CComPtr<IDiaDataSource> source;
HRESULT hr =
::CoCreateInstance(CLSID_DiaSource, nullptr, CLSCTX_INPROC_SERVER,
__uuidof(IDiaDataSource), (void **)&source);
if (FAILED(hr))
return;
if (FAILED(source->loadDataFromPdb(Path16)))
return;
CComPtr<IDiaSession> session;
if (FAILED(source->openSession(&session)))
return;
dumpBasicFileInfo(Path, session);
if (opts::Streams || opts::StreamData) {
dumpDataStreams(session);
}
if (opts::Tables) {
dumpDebugTables(session);
}
}
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");
CoInitializeEx(nullptr, COINIT_MULTITHREADED);
std::for_each(opts::InputFilenames.begin(), opts::InputFilenames.end(),
dumpInput);
CoUninitialize();
return 0;
}
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