457 lines
15 KiB
C++
457 lines
15 KiB
C++
|
//===- DbiStreamBuilder.cpp - PDB Dbi Stream Creation -----------*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h"
|
||
|
|
|
||
|
|
#include "llvm/ADT/ArrayRef.h"
|
||
|
|
#include "llvm/BinaryFormat/COFF.h"
|
||
|
|
#include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
|
||
|
|
#include "llvm/DebugInfo/MSF/MSFBuilder.h"
|
||
|
|
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
|
||
|
|
#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h"
|
||
|
|
#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
|
||
|
|
#include "llvm/DebugInfo/PDB/Native/RawError.h"
|
||
|
|
#include "llvm/Object/COFF.h"
|
||
|
|
#include "llvm/Support/BinaryStreamWriter.h"
|
||
|
|
#include "llvm/Support/Parallel.h"
|
||
|
|
|
||
|
|
using namespace llvm;
|
||
|
|
using namespace llvm::codeview;
|
||
|
|
using namespace llvm::msf;
|
||
|
|
using namespace llvm::pdb;
|
||
|
|
|
||
|
|
DbiStreamBuilder::DbiStreamBuilder(msf::MSFBuilder &Msf)
|
||
|
|
: Msf(Msf), Allocator(Msf.getAllocator()), Age(1), BuildNumber(0),
|
||
|
|
PdbDllVersion(0), PdbDllRbld(0), Flags(0), MachineType(PDB_Machine::x86),
|
||
|
|
Header(nullptr) {}
|
||
|
|
|
||
|
|
DbiStreamBuilder::~DbiStreamBuilder() {}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setVersionHeader(PdbRaw_DbiVer V) { VerHeader = V; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setAge(uint32_t A) { Age = A; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setBuildNumber(uint16_t B) { BuildNumber = B; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setBuildNumber(uint8_t Major, uint8_t Minor) {
|
||
|
|
BuildNumber = (uint16_t(Major) << DbiBuildNo::BuildMajorShift) &
|
||
|
|
DbiBuildNo::BuildMajorMask;
|
||
|
|
BuildNumber |= (uint16_t(Minor) << DbiBuildNo::BuildMinorShift) &
|
||
|
|
DbiBuildNo::BuildMinorMask;
|
||
|
|
BuildNumber |= DbiBuildNo::NewVersionFormatMask;
|
||
|
|
}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setPdbDllVersion(uint16_t V) { PdbDllVersion = V; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setPdbDllRbld(uint16_t R) { PdbDllRbld = R; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setFlags(uint16_t F) { Flags = F; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setMachineType(PDB_Machine M) { MachineType = M; }
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setMachineType(COFF::MachineTypes M) {
|
||
|
|
// These enums are mirrors of each other, so we can just cast the value.
|
||
|
|
MachineType = static_cast<pdb::PDB_Machine>(static_cast<unsigned>(M));
|
||
|
|
}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setGlobalsStreamIndex(uint32_t Index) {
|
||
|
|
GlobalsStreamIndex = Index;
|
||
|
|
}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setSymbolRecordStreamIndex(uint32_t Index) {
|
||
|
|
SymRecordStreamIndex = Index;
|
||
|
|
}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::setPublicsStreamIndex(uint32_t Index) {
|
||
|
|
PublicsStreamIndex = Index;
|
||
|
|
}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::addNewFpoData(const codeview::FrameData &FD) {
|
||
|
|
if (!NewFpoData.hasValue())
|
||
|
|
NewFpoData.emplace(false);
|
||
|
|
|
||
|
|
NewFpoData->addFrameData(FD);
|
||
|
|
}
|
||
|
|
|
||
|
|
void DbiStreamBuilder::addOldFpoData(const object::FpoData &FD) {
|
||
|
|
OldFpoData.push_back(FD);
|
||
|
|
}
|
||
|
|
|
||
|
|
Error DbiStreamBuilder::addDbgStream(pdb::DbgHeaderType Type,
|
||
|
|
ArrayRef<uint8_t> Data) {
|
||
|
|
assert(Type != DbgHeaderType::NewFPO &&
|
||
|
|
"NewFPO data should be written via addFrameData()!");
|
||
|
|
|
||
|
|
DbgStreams[(int)Type].emplace();
|
||
|
|
DbgStreams[(int)Type]->Size = Data.size();
|
||
|
|
DbgStreams[(int)Type]->WriteFn = [Data](BinaryStreamWriter &Writer) {
|
||
|
|
return Writer.writeArray(Data);
|
||
|
|
};
|
||
|
|
return Error::success();
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::addECName(StringRef Name) {
|
||
|
|
return ECNamesBuilder.insert(Name);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateSerializedLength() const {
|
||
|
|
// For now we only support serializing the header.
|
||
|
|
return sizeof(DbiStreamHeader) + calculateFileInfoSubstreamSize() +
|
||
|
|
calculateModiSubstreamSize() + calculateSectionContribsStreamSize() +
|
||
|
|
calculateSectionMapStreamSize() + calculateDbgStreamsSize() +
|
||
|
|
ECNamesBuilder.calculateSerializedSize();
|
||
|
|
}
|
||
|
|
|
||
|
|
Expected<DbiModuleDescriptorBuilder &>
|
||
|
|
DbiStreamBuilder::addModuleInfo(StringRef ModuleName) {
|
||
|
|
uint32_t Index = ModiList.size();
|
||
|
|
ModiList.push_back(
|
||
|
|
std::make_unique<DbiModuleDescriptorBuilder>(ModuleName, Index, Msf));
|
||
|
|
return *ModiList.back();
|
||
|
|
}
|
||
|
|
|
||
|
|
Error DbiStreamBuilder::addModuleSourceFile(DbiModuleDescriptorBuilder &Module,
|
||
|
|
StringRef File) {
|
||
|
|
uint32_t Index = SourceFileNames.size();
|
||
|
|
SourceFileNames.insert(std::make_pair(File, Index));
|
||
|
|
Module.addSourceFile(File);
|
||
|
|
return Error::success();
|
||
|
|
}
|
||
|
|
|
||
|
|
Expected<uint32_t> DbiStreamBuilder::getSourceFileNameIndex(StringRef File) {
|
||
|
|
auto NameIter = SourceFileNames.find(File);
|
||
|
|
if (NameIter == SourceFileNames.end())
|
||
|
|
return make_error<RawError>(raw_error_code::no_entry,
|
||
|
|
"The specified source file was not found");
|
||
|
|
return NameIter->getValue();
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateModiSubstreamSize() const {
|
||
|
|
uint32_t Size = 0;
|
||
|
|
for (const auto &M : ModiList)
|
||
|
|
Size += M->calculateSerializedLength();
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateSectionContribsStreamSize() const {
|
||
|
|
if (SectionContribs.empty())
|
||
|
|
return 0;
|
||
|
|
return sizeof(enum PdbRaw_DbiSecContribVer) +
|
||
|
|
sizeof(SectionContribs[0]) * SectionContribs.size();
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateSectionMapStreamSize() const {
|
||
|
|
if (SectionMap.empty())
|
||
|
|
return 0;
|
||
|
|
return sizeof(SecMapHeader) + sizeof(SecMapEntry) * SectionMap.size();
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateNamesOffset() const {
|
||
|
|
uint32_t Offset = 0;
|
||
|
|
Offset += sizeof(ulittle16_t); // NumModules
|
||
|
|
Offset += sizeof(ulittle16_t); // NumSourceFiles
|
||
|
|
Offset += ModiList.size() * sizeof(ulittle16_t); // ModIndices
|
||
|
|
Offset += ModiList.size() * sizeof(ulittle16_t); // ModFileCounts
|
||
|
|
uint32_t NumFileInfos = 0;
|
||
|
|
for (const auto &M : ModiList)
|
||
|
|
NumFileInfos += M->source_files().size();
|
||
|
|
Offset += NumFileInfos * sizeof(ulittle32_t); // FileNameOffsets
|
||
|
|
return Offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateFileInfoSubstreamSize() const {
|
||
|
|
uint32_t Size = calculateNamesOffset();
|
||
|
|
Size += calculateNamesBufferSize();
|
||
|
|
return alignTo(Size, sizeof(uint32_t));
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateNamesBufferSize() const {
|
||
|
|
uint32_t Size = 0;
|
||
|
|
for (const auto &F : SourceFileNames) {
|
||
|
|
Size += F.getKeyLength() + 1; // Names[I];
|
||
|
|
}
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t DbiStreamBuilder::calculateDbgStreamsSize() const {
|
||
|
|
return DbgStreams.size() * sizeof(uint16_t);
|
||
|
|
}
|
||
|
|
|
||
|
|
Error DbiStreamBuilder::generateFileInfoSubstream() {
|
||
|
|
uint32_t Size = calculateFileInfoSubstreamSize();
|
||
|
|
auto Data = Allocator.Allocate<uint8_t>(Size);
|
||
|
|
uint32_t NamesOffset = calculateNamesOffset();
|
||
|
|
|
||
|
|
FileInfoBuffer = MutableBinaryByteStream(MutableArrayRef<uint8_t>(Data, Size),
|
||
|
|
llvm::support::little);
|
||
|
|
|
||
|
|
WritableBinaryStreamRef MetadataBuffer =
|
||
|
|
WritableBinaryStreamRef(FileInfoBuffer).keep_front(NamesOffset);
|
||
|
|
BinaryStreamWriter MetadataWriter(MetadataBuffer);
|
||
|
|
|
||
|
|
uint16_t ModiCount = std::min<uint32_t>(UINT16_MAX, ModiList.size());
|
||
|
|
uint16_t FileCount = std::min<uint32_t>(UINT16_MAX, SourceFileNames.size());
|
||
|
|
if (auto EC = MetadataWriter.writeInteger(ModiCount)) // NumModules
|
||
|
|
return EC;
|
||
|
|
if (auto EC = MetadataWriter.writeInteger(FileCount)) // NumSourceFiles
|
||
|
|
return EC;
|
||
|
|
for (uint16_t I = 0; I < ModiCount; ++I) {
|
||
|
|
if (auto EC = MetadataWriter.writeInteger(I)) // Mod Indices
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
for (const auto &MI : ModiList) {
|
||
|
|
FileCount = static_cast<uint16_t>(MI->source_files().size());
|
||
|
|
if (auto EC = MetadataWriter.writeInteger(FileCount)) // Mod File Counts
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Before writing the FileNameOffsets array, write the NamesBuffer array.
|
||
|
|
// A side effect of this is that this will actually compute the various
|
||
|
|
// file name offsets, so we can then go back and write the FileNameOffsets
|
||
|
|
// array to the other substream.
|
||
|
|
NamesBuffer = WritableBinaryStreamRef(FileInfoBuffer).drop_front(NamesOffset);
|
||
|
|
BinaryStreamWriter NameBufferWriter(NamesBuffer);
|
||
|
|
for (auto &Name : SourceFileNames) {
|
||
|
|
Name.second = NameBufferWriter.getOffset();
|
||
|
|
if (auto EC = NameBufferWriter.writeCString(Name.getKey()))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (const auto &MI : ModiList) {
|
||
|
|
for (StringRef Name : MI->source_files()) {
|
||
|
|
auto Result = SourceFileNames.find(Name);
|
||
|
|
if (Result == SourceFileNames.end())
|
||
|
|
return make_error<RawError>(raw_error_code::no_entry,
|
||
|
|
"The source file was not found.");
|
||
|
|
if (auto EC = MetadataWriter.writeInteger(Result->second))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (auto EC = NameBufferWriter.padToAlignment(sizeof(uint32_t)))
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
if (NameBufferWriter.bytesRemaining() > 0)
|
||
|
|
return make_error<RawError>(raw_error_code::invalid_format,
|
||
|
|
"The names buffer contained unexpected data.");
|
||
|
|
|
||
|
|
if (MetadataWriter.bytesRemaining() > sizeof(uint32_t))
|
||
|
|
return make_error<RawError>(
|
||
|
|
raw_error_code::invalid_format,
|
||
|
|
"The metadata buffer contained unexpected data.");
|
||
|
|
|
||
|
|
return Error::success();
|
||
|
|
}
|
||
|
|
|
||
|
|
Error DbiStreamBuilder::finalize() {
|
||
|
|
if (Header)
|
||
|
|
return Error::success();
|
||
|
|
|
||
|
|
for (auto &MI : ModiList)
|
||
|
|
MI->finalize();
|
||
|
|
|
||
|
|
if (auto EC = generateFileInfoSubstream())
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
DbiStreamHeader *H = Allocator.Allocate<DbiStreamHeader>();
|
||
|
|
::memset(H, 0, sizeof(DbiStreamHeader));
|
||
|
|
H->VersionHeader = *VerHeader;
|
||
|
|
H->VersionSignature = -1;
|
||
|
|
H->Age = Age;
|
||
|
|
H->BuildNumber = BuildNumber;
|
||
|
|
H->Flags = Flags;
|
||
|
|
H->PdbDllRbld = PdbDllRbld;
|
||
|
|
H->PdbDllVersion = PdbDllVersion;
|
||
|
|
H->MachineType = static_cast<uint16_t>(MachineType);
|
||
|
|
|
||
|
|
H->ECSubstreamSize = ECNamesBuilder.calculateSerializedSize();
|
||
|
|
H->FileInfoSize = FileInfoBuffer.getLength();
|
||
|
|
H->ModiSubstreamSize = calculateModiSubstreamSize();
|
||
|
|
H->OptionalDbgHdrSize = DbgStreams.size() * sizeof(uint16_t);
|
||
|
|
H->SecContrSubstreamSize = calculateSectionContribsStreamSize();
|
||
|
|
H->SectionMapSize = calculateSectionMapStreamSize();
|
||
|
|
H->TypeServerSize = 0;
|
||
|
|
H->SymRecordStreamIndex = SymRecordStreamIndex;
|
||
|
|
H->PublicSymbolStreamIndex = PublicsStreamIndex;
|
||
|
|
H->MFCTypeServerIndex = 0; // Not sure what this is, but link.exe writes 0.
|
||
|
|
H->GlobalSymbolStreamIndex = GlobalsStreamIndex;
|
||
|
|
|
||
|
|
Header = H;
|
||
|
|
return Error::success();
|
||
|
|
}
|
||
|
|
|
||
|
|
Error DbiStreamBuilder::finalizeMsfLayout() {
|
||
|
|
if (NewFpoData.hasValue()) {
|
||
|
|
DbgStreams[(int)DbgHeaderType::NewFPO].emplace();
|
||
|
|
DbgStreams[(int)DbgHeaderType::NewFPO]->Size =
|
||
|
|
NewFpoData->calculateSerializedSize();
|
||
|
|
DbgStreams[(int)DbgHeaderType::NewFPO]->WriteFn =
|
||
|
|
[this](BinaryStreamWriter &Writer) {
|
||
|
|
return NewFpoData->commit(Writer);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!OldFpoData.empty()) {
|
||
|
|
DbgStreams[(int)DbgHeaderType::FPO].emplace();
|
||
|
|
DbgStreams[(int)DbgHeaderType::FPO]->Size =
|
||
|
|
sizeof(object::FpoData) * OldFpoData.size();
|
||
|
|
DbgStreams[(int)DbgHeaderType::FPO]->WriteFn =
|
||
|
|
[this](BinaryStreamWriter &Writer) {
|
||
|
|
return Writer.writeArray(makeArrayRef(OldFpoData));
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
for (auto &S : DbgStreams) {
|
||
|
|
if (!S.hasValue())
|
||
|
|
continue;
|
||
|
|
auto ExpectedIndex = Msf.addStream(S->Size);
|
||
|
|
if (!ExpectedIndex)
|
||
|
|
return ExpectedIndex.takeError();
|
||
|
|
S->StreamNumber = *ExpectedIndex;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (auto &MI : ModiList) {
|
||
|
|
if (auto EC = MI->finalizeMsfLayout())
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t Length = calculateSerializedLength();
|
||
|
|
if (auto EC = Msf.setStreamSize(StreamDBI, Length))
|
||
|
|
return EC;
|
||
|
|
return Error::success();
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint16_t toSecMapFlags(uint32_t Flags) {
|
||
|
|
uint16_t Ret = 0;
|
||
|
|
if (Flags & COFF::IMAGE_SCN_MEM_READ)
|
||
|
|
Ret |= static_cast<uint16_t>(OMFSegDescFlags::Read);
|
||
|
|
if (Flags & COFF::IMAGE_SCN_MEM_WRITE)
|
||
|
|
Ret |= static_cast<uint16_t>(OMFSegDescFlags::Write);
|
||
|
|
if (Flags & COFF::IMAGE_SCN_MEM_EXECUTE)
|
||
|
|
Ret |= static_cast<uint16_t>(OMFSegDescFlags::Execute);
|
||
|
|
if (Flags & COFF::IMAGE_SCN_MEM_EXECUTE)
|
||
|
|
Ret |= static_cast<uint16_t>(OMFSegDescFlags::Execute);
|
||
|
|
if (!(Flags & COFF::IMAGE_SCN_MEM_16BIT))
|
||
|
|
Ret |= static_cast<uint16_t>(OMFSegDescFlags::AddressIs32Bit);
|
||
|
|
|
||
|
|
// This seems always 1.
|
||
|
|
Ret |= static_cast<uint16_t>(OMFSegDescFlags::IsSelector);
|
||
|
|
|
||
|
|
return Ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Populate the Section Map from COFF section headers.
|
||
|
|
//
|
||
|
|
// A Section Map seem to be a copy of a COFF section list in other format.
|
||
|
|
// I don't know why a PDB file contains both a COFF section header and
|
||
|
|
// a Section Map, but it seems it must be present in a PDB.
|
||
|
|
void DbiStreamBuilder::createSectionMap(
|
||
|
|
ArrayRef<llvm::object::coff_section> SecHdrs) {
|
||
|
|
int Idx = 0;
|
||
|
|
|
||
|
|
auto Add = [&]() -> SecMapEntry & {
|
||
|
|
SectionMap.emplace_back();
|
||
|
|
auto &Entry = SectionMap.back();
|
||
|
|
memset(&Entry, 0, sizeof(Entry));
|
||
|
|
|
||
|
|
Entry.Frame = Idx + 1;
|
||
|
|
|
||
|
|
// We don't know the meaning of these fields yet.
|
||
|
|
Entry.SecName = UINT16_MAX;
|
||
|
|
Entry.ClassName = UINT16_MAX;
|
||
|
|
|
||
|
|
return Entry;
|
||
|
|
};
|
||
|
|
|
||
|
|
for (auto &Hdr : SecHdrs) {
|
||
|
|
auto &Entry = Add();
|
||
|
|
Entry.Flags = toSecMapFlags(Hdr.Characteristics);
|
||
|
|
Entry.SecByteLength = Hdr.VirtualSize;
|
||
|
|
++Idx;
|
||
|
|
}
|
||
|
|
|
||
|
|
// The last entry is for absolute symbols.
|
||
|
|
auto &Entry = Add();
|
||
|
|
Entry.Flags = static_cast<uint16_t>(OMFSegDescFlags::AddressIs32Bit) |
|
||
|
|
static_cast<uint16_t>(OMFSegDescFlags::IsAbsoluteAddress);
|
||
|
|
Entry.SecByteLength = UINT32_MAX;
|
||
|
|
}
|
||
|
|
|
||
|
|
Error DbiStreamBuilder::commit(const msf::MSFLayout &Layout,
|
||
|
|
WritableBinaryStreamRef MsfBuffer) {
|
||
|
|
if (auto EC = finalize())
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
auto DbiS = WritableMappedBlockStream::createIndexedStream(
|
||
|
|
Layout, MsfBuffer, StreamDBI, Allocator);
|
||
|
|
|
||
|
|
BinaryStreamWriter Writer(*DbiS);
|
||
|
|
if (auto EC = Writer.writeObject(*Header))
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
for (auto &M : ModiList) {
|
||
|
|
if (auto EC = M->commit(Writer))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Commit symbol streams. This is a lot of data, so do it in parallel.
|
||
|
|
if (auto EC = parallelForEachError(
|
||
|
|
ModiList, [&](std::unique_ptr<DbiModuleDescriptorBuilder> &M) {
|
||
|
|
return M->commitSymbolStream(Layout, MsfBuffer);
|
||
|
|
}))
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
if (!SectionContribs.empty()) {
|
||
|
|
if (auto EC = Writer.writeEnum(DbiSecContribVer60))
|
||
|
|
return EC;
|
||
|
|
if (auto EC = Writer.writeArray(makeArrayRef(SectionContribs)))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!SectionMap.empty()) {
|
||
|
|
ulittle16_t Size = static_cast<ulittle16_t>(SectionMap.size());
|
||
|
|
SecMapHeader SMHeader = {Size, Size};
|
||
|
|
if (auto EC = Writer.writeObject(SMHeader))
|
||
|
|
return EC;
|
||
|
|
if (auto EC = Writer.writeArray(makeArrayRef(SectionMap)))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (auto EC = Writer.writeStreamRef(FileInfoBuffer))
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
if (auto EC = ECNamesBuilder.commit(Writer))
|
||
|
|
return EC;
|
||
|
|
|
||
|
|
for (auto &Stream : DbgStreams) {
|
||
|
|
uint16_t StreamNumber = kInvalidStreamIndex;
|
||
|
|
if (Stream.hasValue())
|
||
|
|
StreamNumber = Stream->StreamNumber;
|
||
|
|
if (auto EC = Writer.writeInteger(StreamNumber))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (auto &Stream : DbgStreams) {
|
||
|
|
if (!Stream.hasValue())
|
||
|
|
continue;
|
||
|
|
assert(Stream->StreamNumber != kInvalidStreamIndex);
|
||
|
|
|
||
|
|
auto WritableStream = WritableMappedBlockStream::createIndexedStream(
|
||
|
|
Layout, MsfBuffer, Stream->StreamNumber, Allocator);
|
||
|
|
BinaryStreamWriter DbgStreamWriter(*WritableStream);
|
||
|
|
|
||
|
|
if (auto EC = Stream->WriteFn(DbgStreamWriter))
|
||
|
|
return EC;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Writer.bytesRemaining() > 0)
|
||
|
|
return make_error<RawError>(raw_error_code::invalid_format,
|
||
|
|
"Unexpected bytes found in DBI Stream");
|
||
|
|
return Error::success();
|
||
|
|
}
|