494 lines
14 KiB
C++
494 lines
14 KiB
C++
//===- BytesOutputStyle.cpp ----------------------------------- *- C++ --*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "BytesOutputStyle.h"
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#include "FormatUtil.h"
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#include "StreamUtil.h"
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#include "llvm-pdbutil.h"
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#include "llvm/DebugInfo/CodeView/Formatters.h"
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#include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
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#include "llvm/DebugInfo/MSF/MSFCommon.h"
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#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
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#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
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#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
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#include "llvm/DebugInfo/PDB/Native/ModuleDebugStream.h"
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#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
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#include "llvm/DebugInfo/PDB/Native/RawError.h"
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#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
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#include "llvm/Support/BinaryStreamReader.h"
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#include "llvm/Support/FormatAdapters.h"
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#include "llvm/Support/FormatVariadic.h"
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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::msf;
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using namespace llvm::pdb;
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namespace {
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struct StreamSpec {
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uint32_t SI = 0;
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uint32_t Begin = 0;
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uint32_t Size = 0;
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};
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} // namespace
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static Expected<StreamSpec> parseStreamSpec(StringRef Str) {
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StreamSpec Result;
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if (Str.consumeInteger(0, Result.SI))
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return make_error<RawError>(raw_error_code::invalid_format,
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"Invalid Stream Specification");
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if (Str.consume_front(":")) {
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if (Str.consumeInteger(0, Result.Begin))
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return make_error<RawError>(raw_error_code::invalid_format,
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"Invalid Stream Specification");
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}
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if (Str.consume_front("@")) {
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if (Str.consumeInteger(0, Result.Size))
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return make_error<RawError>(raw_error_code::invalid_format,
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"Invalid Stream Specification");
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}
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if (!Str.empty())
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return make_error<RawError>(raw_error_code::invalid_format,
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"Invalid Stream Specification");
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return Result;
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}
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static SmallVector<StreamSpec, 2> parseStreamSpecs(LinePrinter &P) {
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SmallVector<StreamSpec, 2> Result;
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for (auto &Str : opts::bytes::DumpStreamData) {
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auto ESS = parseStreamSpec(Str);
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if (!ESS) {
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P.formatLine("Error parsing stream spec {0}: {1}", Str,
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toString(ESS.takeError()));
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continue;
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}
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Result.push_back(*ESS);
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}
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return Result;
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}
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static void printHeader(LinePrinter &P, const Twine &S) {
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P.NewLine();
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P.formatLine("{0,=60}", S);
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P.formatLine("{0}", fmt_repeat('=', 60));
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}
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BytesOutputStyle::BytesOutputStyle(PDBFile &File)
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: File(File), P(2, false, outs()) {}
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Error BytesOutputStyle::dump() {
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if (opts::bytes::DumpBlockRange.hasValue()) {
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auto &R = *opts::bytes::DumpBlockRange;
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uint32_t Max = R.Max.getValueOr(R.Min);
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if (Max < R.Min)
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return make_error<StringError>(
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"Invalid block range specified. Max < Min",
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inconvertibleErrorCode());
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if (Max >= File.getBlockCount())
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return make_error<StringError>(
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"Invalid block range specified. Requested block out of bounds",
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inconvertibleErrorCode());
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dumpBlockRanges(R.Min, Max);
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P.NewLine();
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}
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if (opts::bytes::DumpByteRange.hasValue()) {
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auto &R = *opts::bytes::DumpByteRange;
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uint32_t Max = R.Max.getValueOr(File.getFileSize());
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if (Max < R.Min)
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return make_error<StringError>("Invalid byte range specified. Max < Min",
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inconvertibleErrorCode());
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if (Max >= File.getFileSize())
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return make_error<StringError>(
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"Invalid byte range specified. Requested byte larger than file size",
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inconvertibleErrorCode());
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dumpByteRanges(R.Min, Max);
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P.NewLine();
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}
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if (opts::bytes::Fpm) {
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dumpFpm();
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P.NewLine();
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}
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if (!opts::bytes::DumpStreamData.empty()) {
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dumpStreamBytes();
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P.NewLine();
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}
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if (opts::bytes::NameMap) {
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dumpNameMap();
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P.NewLine();
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}
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if (opts::bytes::SectionContributions) {
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dumpSectionContributions();
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P.NewLine();
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}
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if (opts::bytes::SectionMap) {
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dumpSectionMap();
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P.NewLine();
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}
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if (opts::bytes::ModuleInfos) {
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dumpModuleInfos();
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P.NewLine();
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}
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if (opts::bytes::FileInfo) {
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dumpFileInfo();
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P.NewLine();
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}
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if (opts::bytes::TypeServerMap) {
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dumpTypeServerMap();
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P.NewLine();
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}
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if (opts::bytes::ECData) {
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dumpECData();
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P.NewLine();
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}
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if (!opts::bytes::TypeIndex.empty()) {
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dumpTypeIndex(StreamTPI, opts::bytes::TypeIndex);
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P.NewLine();
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}
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if (!opts::bytes::IdIndex.empty()) {
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dumpTypeIndex(StreamIPI, opts::bytes::IdIndex);
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P.NewLine();
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}
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if (opts::bytes::ModuleSyms) {
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dumpModuleSyms();
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P.NewLine();
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}
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if (opts::bytes::ModuleC11) {
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dumpModuleC11();
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P.NewLine();
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}
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if (opts::bytes::ModuleC13) {
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dumpModuleC13();
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P.NewLine();
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}
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return Error::success();
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}
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void BytesOutputStyle::dumpNameMap() {
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printHeader(P, "Named Stream Map");
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AutoIndent Indent(P);
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auto &InfoS = Err(File.getPDBInfoStream());
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BinarySubstreamRef NS = InfoS.getNamedStreamsBuffer();
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auto Layout = File.getStreamLayout(StreamPDB);
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P.formatMsfStreamData("Named Stream Map", File, Layout, NS);
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}
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void BytesOutputStyle::dumpBlockRanges(uint32_t Min, uint32_t Max) {
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printHeader(P, "MSF Blocks");
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AutoIndent Indent(P);
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for (uint32_t I = Min; I <= Max; ++I) {
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uint64_t Base = I;
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Base *= File.getBlockSize();
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auto ExpectedData = File.getBlockData(I, File.getBlockSize());
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if (!ExpectedData) {
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P.formatLine("Could not get block {0}. Reason = {1}", I,
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toString(ExpectedData.takeError()));
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continue;
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}
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std::string Label = formatv("Block {0}", I).str();
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P.formatBinary(Label, *ExpectedData, Base, 0);
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}
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}
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void BytesOutputStyle::dumpSectionContributions() {
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printHeader(P, "Section Contributions");
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AutoIndent Indent(P);
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auto &DbiS = Err(File.getPDBDbiStream());
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BinarySubstreamRef NS = DbiS.getSectionContributionData();
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auto Layout = File.getStreamLayout(StreamDBI);
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P.formatMsfStreamData("Section Contributions", File, Layout, NS);
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}
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void BytesOutputStyle::dumpSectionMap() {
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printHeader(P, "Section Map");
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AutoIndent Indent(P);
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auto &DbiS = Err(File.getPDBDbiStream());
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BinarySubstreamRef NS = DbiS.getSecMapSubstreamData();
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auto Layout = File.getStreamLayout(StreamDBI);
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P.formatMsfStreamData("Section Map", File, Layout, NS);
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}
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void BytesOutputStyle::dumpModuleInfos() {
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printHeader(P, "Module Infos");
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AutoIndent Indent(P);
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auto &DbiS = Err(File.getPDBDbiStream());
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BinarySubstreamRef NS = DbiS.getModiSubstreamData();
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auto Layout = File.getStreamLayout(StreamDBI);
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P.formatMsfStreamData("Module Infos", File, Layout, NS);
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}
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void BytesOutputStyle::dumpFileInfo() {
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printHeader(P, "File Info");
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AutoIndent Indent(P);
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auto &DbiS = Err(File.getPDBDbiStream());
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BinarySubstreamRef NS = DbiS.getFileInfoSubstreamData();
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auto Layout = File.getStreamLayout(StreamDBI);
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P.formatMsfStreamData("File Info", File, Layout, NS);
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}
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void BytesOutputStyle::dumpTypeServerMap() {
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printHeader(P, "Type Server Map");
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AutoIndent Indent(P);
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auto &DbiS = Err(File.getPDBDbiStream());
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BinarySubstreamRef NS = DbiS.getTypeServerMapSubstreamData();
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auto Layout = File.getStreamLayout(StreamDBI);
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P.formatMsfStreamData("Type Server Map", File, Layout, NS);
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}
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void BytesOutputStyle::dumpECData() {
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printHeader(P, "Edit and Continue Data");
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AutoIndent Indent(P);
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auto &DbiS = Err(File.getPDBDbiStream());
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BinarySubstreamRef NS = DbiS.getECSubstreamData();
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auto Layout = File.getStreamLayout(StreamDBI);
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P.formatMsfStreamData("Edit and Continue Data", File, Layout, NS);
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}
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void BytesOutputStyle::dumpTypeIndex(uint32_t StreamIdx,
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ArrayRef<uint32_t> Indices) {
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assert(StreamIdx == StreamTPI || StreamIdx == StreamIPI);
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assert(!Indices.empty());
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bool IsTpi = (StreamIdx == StreamTPI);
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StringRef Label = IsTpi ? "Type (TPI) Records" : "Index (IPI) Records";
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printHeader(P, Label);
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auto &Stream = Err(IsTpi ? File.getPDBTpiStream() : File.getPDBIpiStream());
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AutoIndent Indent(P);
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auto Substream = Stream.getTypeRecordsSubstream();
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auto &Types = Err(initializeTypes(StreamIdx));
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auto Layout = File.getStreamLayout(StreamIdx);
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for (const auto &Id : Indices) {
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TypeIndex TI(Id);
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if (TI.toArrayIndex() >= Types.capacity()) {
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P.formatLine("Error: TypeIndex {0} does not exist", TI);
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continue;
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}
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auto Type = Types.getType(TI);
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uint32_t Offset = Types.getOffsetOfType(TI);
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auto OneType = Substream.slice(Offset, Type.length());
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P.formatMsfStreamData(formatv("Type {0}", TI).str(), File, Layout, OneType);
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}
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}
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template <typename CallbackT>
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static void iterateOneModule(PDBFile &File, LinePrinter &P,
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const DbiModuleList &Modules, uint32_t I,
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uint32_t Digits, uint32_t IndentLevel,
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CallbackT Callback) {
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if (I >= Modules.getModuleCount()) {
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P.formatLine("Mod {0:4} | Invalid module index ",
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fmt_align(I, AlignStyle::Right, std::max(Digits, 4U)));
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return;
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}
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auto Modi = Modules.getModuleDescriptor(I);
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P.formatLine("Mod {0:4} | `{1}`: ",
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fmt_align(I, AlignStyle::Right, std::max(Digits, 4U)),
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Modi.getModuleName());
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uint16_t ModiStream = Modi.getModuleStreamIndex();
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AutoIndent Indent2(P, IndentLevel);
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if (ModiStream == kInvalidStreamIndex)
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return;
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auto ModStreamData = MappedBlockStream::createIndexedStream(
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File.getMsfLayout(), File.getMsfBuffer(), ModiStream,
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File.getAllocator());
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ModuleDebugStreamRef ModStream(Modi, std::move(ModStreamData));
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if (auto EC = ModStream.reload()) {
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P.formatLine("Could not parse debug information.");
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return;
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}
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auto Layout = File.getStreamLayout(ModiStream);
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Callback(I, ModStream, Layout);
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}
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template <typename CallbackT>
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static void iterateModules(PDBFile &File, LinePrinter &P, uint32_t IndentLevel,
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CallbackT Callback) {
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AutoIndent Indent(P);
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if (!File.hasPDBDbiStream()) {
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P.formatLine("DBI Stream not present");
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return;
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}
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ExitOnError Err("Unexpected error processing modules");
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auto &Stream = Err(File.getPDBDbiStream());
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const DbiModuleList &Modules = Stream.modules();
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if (opts::bytes::ModuleIndex.getNumOccurrences() > 0) {
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iterateOneModule(File, P, Modules, opts::bytes::ModuleIndex, 1, IndentLevel,
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Callback);
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} else {
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uint32_t Count = Modules.getModuleCount();
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uint32_t Digits = NumDigits(Count);
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for (uint32_t I = 0; I < Count; ++I) {
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iterateOneModule(File, P, Modules, I, Digits, IndentLevel, Callback);
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}
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}
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}
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void BytesOutputStyle::dumpModuleSyms() {
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printHeader(P, "Module Symbols");
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AutoIndent Indent(P);
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iterateModules(File, P, 2,
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[this](uint32_t Modi, const ModuleDebugStreamRef &Stream,
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const MSFStreamLayout &Layout) {
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auto Symbols = Stream.getSymbolsSubstream();
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P.formatMsfStreamData("Symbols", File, Layout, Symbols);
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});
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}
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void BytesOutputStyle::dumpModuleC11() {
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printHeader(P, "C11 Debug Chunks");
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AutoIndent Indent(P);
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iterateModules(File, P, 2,
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[this](uint32_t Modi, const ModuleDebugStreamRef &Stream,
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const MSFStreamLayout &Layout) {
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auto Chunks = Stream.getC11LinesSubstream();
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P.formatMsfStreamData("C11 Debug Chunks", File, Layout,
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Chunks);
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});
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}
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void BytesOutputStyle::dumpModuleC13() {
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printHeader(P, "Debug Chunks");
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AutoIndent Indent(P);
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iterateModules(
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File, P, 2,
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[this](uint32_t Modi, const ModuleDebugStreamRef &Stream,
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const MSFStreamLayout &Layout) {
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auto Chunks = Stream.getC13LinesSubstream();
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if (opts::bytes::SplitChunks) {
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for (const auto &SS : Stream.subsections()) {
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BinarySubstreamRef ThisChunk;
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std::tie(ThisChunk, Chunks) = Chunks.split(SS.getRecordLength());
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P.formatMsfStreamData(formatChunkKind(SS.kind()), File, Layout,
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ThisChunk);
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}
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} else {
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P.formatMsfStreamData("Debug Chunks", File, Layout, Chunks);
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}
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});
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}
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void BytesOutputStyle::dumpByteRanges(uint32_t Min, uint32_t Max) {
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printHeader(P, "MSF Bytes");
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AutoIndent Indent(P);
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BinaryStreamReader Reader(File.getMsfBuffer());
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ArrayRef<uint8_t> Data;
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consumeError(Reader.skip(Min));
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uint32_t Size = Max - Min + 1;
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auto EC = Reader.readBytes(Data, Size);
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assert(!EC);
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consumeError(std::move(EC));
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P.formatBinary("Bytes", Data, Min);
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}
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Expected<codeview::LazyRandomTypeCollection &>
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BytesOutputStyle::initializeTypes(uint32_t StreamIdx) {
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auto &TypeCollection = (StreamIdx == StreamTPI) ? TpiTypes : IpiTypes;
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if (TypeCollection)
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return *TypeCollection;
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auto Tpi = (StreamIdx == StreamTPI) ? File.getPDBTpiStream()
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: File.getPDBIpiStream();
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if (!Tpi)
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return Tpi.takeError();
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auto &Types = Tpi->typeArray();
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uint32_t Count = Tpi->getNumTypeRecords();
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auto Offsets = Tpi->getTypeIndexOffsets();
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TypeCollection =
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llvm::make_unique<LazyRandomTypeCollection>(Types, Count, Offsets);
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return *TypeCollection;
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}
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void BytesOutputStyle::dumpFpm() {
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printHeader(P, "Free Page Map");
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msf::MSFStreamLayout FpmLayout = File.getFpmStreamLayout();
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P.formatMsfStreamBlocks(File, FpmLayout);
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}
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void BytesOutputStyle::dumpStreamBytes() {
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if (StreamPurposes.empty())
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discoverStreamPurposes(File, StreamPurposes);
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printHeader(P, "Stream Data");
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ExitOnError Err("Unexpected error reading stream data");
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auto Specs = parseStreamSpecs(P);
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for (const auto &Spec : Specs) {
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AutoIndent Indent(P);
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if (Spec.SI >= StreamPurposes.size()) {
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P.formatLine("Stream {0}: Not present", Spec.SI);
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continue;
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}
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P.formatMsfStreamData("Data", File, Spec.SI,
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StreamPurposes[Spec.SI].getShortName(), Spec.Begin,
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Spec.Size);
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}
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}
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