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Differential D70259 Diff 230140 llvm/tools/llvm-pdbutil/ExplainOutputStyle.cpp

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llvm/tools/llvm-pdbutil/ExplainOutputStyle.cpp

Show First 20 Lines • Show All 210 Lines • ▼ Show 20 Linesvoid ExplainOutputStyle::explainPdbFpmBlockOffset() {
if (DescribedBlockStart > File.pdb().getBlockCount()) { if (DescribedBlockStart > File.pdb().getBlockCount()) {
P.printLine("Address is in extraneous FPM space."); P.printLine("Address is in extraneous FPM space.");
return; return;
} }
P.formatLine("Address describes the allocation status of blocks [{0},{1})", P.formatLine("Address describes the allocation status of blocks [{0},{1})",
DescribedBlockStart, DescribedBlockStart + 8); DescribedBlockStart, DescribedBlockStart + 8);
ArrayRef<uint8_t> Bytes; ArrayRef<uint8_t> Bytes;
cantFail(File.pdb().getMsfBuffer().readBytes(FileOffset, 1, Bytes)); llvm_cantFail(File.pdb().getMsfBuffer().readBytes(FileOffset, 1, Bytes));
P.formatLine("Status = {0} (Note: 0 = allocated, 1 = free)", P.formatLine("Status = {0} (Note: 0 = allocated, 1 = free)",
toBinaryString(Bytes[0])); toBinaryString(Bytes[0]));
} }
void ExplainOutputStyle::explainPdbBlockMapOffset() { void ExplainOutputStyle::explainPdbBlockMapOffset() {
uint64_t BlockMapOffset = File.pdb().getBlockMapOffset(); uint64_t BlockMapOffset = File.pdb().getBlockMapOffset();
uint32_t OffsetInBlock = FileOffset - BlockMapOffset; uint32_t OffsetInBlock = FileOffset - BlockMapOffset;
P.formatLine("Address is at offset {0} of the directory block list", P.formatLine("Address is at offset {0} of the directory block list",
Show All 20 Linesvoid ExplainOutputStyle::explainPdbStreamOffset(uint32_t Stream) {
const auto &Layout = File.pdb().getStreamLayout(Stream); const auto &Layout = File.pdb().getStreamLayout(Stream);
uint32_t StreamOff = uint32_t StreamOff =
getOffsetInStream(Layout.Blocks, FileOffset, File.pdb().getBlockSize()); getOffsetInStream(Layout.Blocks, FileOffset, File.pdb().getBlockSize());
P.formatLine("Address is at offset {0}/{1} of Stream {2} ({3}){4}.", P.formatLine("Address is at offset {0}/{1} of Stream {2} ({3}){4}.",
StreamOff, Layout.Length, Stream, S.getLongName(), StreamOff, Layout.Length, Stream, S.getLongName(),
(StreamOff > Layout.Length) ? " in unused space" : ""); (StreamOff > Layout.Length) ? " in unused space" : "");
switch (S.getPurpose()) { switch (S.getPurpose()) {
case StreamPurpose::DBI: { case StreamPurpose::DBI: {
DbiStream &Dbi = cantFail(File.pdb().getPDBDbiStream()); DbiStream &Dbi = llvm_cantFail(File.pdb().getPDBDbiStream());
explainStreamOffset(Dbi, StreamOff); explainStreamOffset(Dbi, StreamOff);
break; break;
} }
case StreamPurpose::PDB: { case StreamPurpose::PDB: {
InfoStream &Info = cantFail(File.pdb().getPDBInfoStream()); InfoStream &Info = llvm_cantFail(File.pdb().getPDBInfoStream());
explainStreamOffset(Info, StreamOff); explainStreamOffset(Info, StreamOff);
break; break;
} }
case StreamPurpose::IPI: case StreamPurpose::IPI:
case StreamPurpose::TPI: case StreamPurpose::TPI:
case StreamPurpose::ModuleStream: case StreamPurpose::ModuleStream:
case StreamPurpose::NamedStream: case StreamPurpose::NamedStream:
default: default:
▲ Show 20 Lines • Show All 85 Lines • ▼ Show 20 Lines
} }
static void explainDbiModiSubstreamOffset(LinePrinter &P, DbiStream &Dbi, static void explainDbiModiSubstreamOffset(LinePrinter &P, DbiStream &Dbi,
uint32_t Offset) { uint32_t Offset) {
VarStreamArray<DbiModuleDescriptor> ModuleDescriptors; VarStreamArray<DbiModuleDescriptor> ModuleDescriptors;
BinaryStreamRef ModiSubstreamData = Dbi.getModiSubstreamData().StreamData; BinaryStreamRef ModiSubstreamData = Dbi.getModiSubstreamData().StreamData;
BinaryStreamReader Reader(ModiSubstreamData); BinaryStreamReader Reader(ModiSubstreamData);
cantFail(Reader.readArray(ModuleDescriptors, ModiSubstreamData.getLength())); llvm_cantFail(Reader.readArray(ModuleDescriptors, ModiSubstreamData.getLength()));
auto Prev = ModuleDescriptors.begin(); auto Prev = ModuleDescriptors.begin();
assert(Prev.offset() == 0); assert(Prev.offset() == 0);
auto Current = Prev; auto Current = Prev;
uint32_t Index = 0; uint32_t Index = 0;
while (true) { while (true) {
Prev = Current; Prev = Current;
++Current; ++Current;
if (Current == ModuleDescriptors.end() || Offset < Current.offset()) if (Current == ModuleDescriptors.end() || Offset < Current.offset())
▲ Show 20 Lines • Show All 97 Lines • Show Last 20 Lines