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//===- DbiStreamBuilder.h - PDB Dbi Stream Creation -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAMBUILDER_H
#define LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAMBUILDER_H
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/Error.h"
#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"
#include "llvm/Support/BinaryByteStream.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/Endian.h"
namespace llvm {
namespace msf {
class MSFBuilder;
}
namespace object {
struct coff_section;
}
namespace pdb {
class DbiStream;
struct DbiStreamHeader;
class DbiModuleDescriptorBuilder;
class PDBFile;
class DbiStreamBuilder {
public:
DbiStreamBuilder(msf::MSFBuilder &Msf);
~DbiStreamBuilder();
DbiStreamBuilder(const DbiStreamBuilder &) = delete;
DbiStreamBuilder &operator=(const DbiStreamBuilder &) = delete;
void setVersionHeader(PdbRaw_DbiVer V);
void setAge(uint32_t A);
void setBuildNumber(uint16_t B);
void setPdbDllVersion(uint16_t V);
void setPdbDllRbld(uint16_t R);
void setFlags(uint16_t F);
void setMachineType(PDB_Machine M);
void setSectionContribs(ArrayRef<SectionContrib> SecMap);
void setSectionMap(ArrayRef<SecMapEntry> SecMap);
// Add given bytes as a new stream.
Error addDbgStream(pdb::DbgHeaderType Type, ArrayRef<uint8_t> Data);
uint32_t calculateSerializedLength() const;
Expected<DbiModuleDescriptorBuilder &> addModuleInfo(StringRef ModuleName);
Error addModuleSourceFile(StringRef Module, StringRef File);
Expected<uint32_t> getSourceFileNameIndex(StringRef FileName);
Error finalizeMsfLayout();
Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef MsfBuffer);
// A helper function to create Section Contributions from COFF input
// section headers.
static std::vector<SectionContrib>
createSectionContribs(ArrayRef<llvm::object::coff_section> SecHdrs);
// A helper function to create a Section Map from a COFF section header.
static std::vector<SecMapEntry>
createSectionMap(ArrayRef<llvm::object::coff_section> SecHdrs);
private:
struct DebugStream {
ArrayRef<uint8_t> Data;
uint16_t StreamNumber = 0;
};
Error finalize();
uint32_t calculateModiSubstreamSize() const;
uint32_t calculateNamesOffset() const;
uint32_t calculateSectionContribsStreamSize() const;
uint32_t calculateSectionMapStreamSize() const;
uint32_t calculateFileInfoSubstreamSize() const;
uint32_t calculateNamesBufferSize() const;
uint32_t calculateDbgStreamsSize() const;
Error generateModiSubstream();
Error generateFileInfoSubstream();
msf::MSFBuilder &Msf;
BumpPtrAllocator &Allocator;
Optional<PdbRaw_DbiVer> VerHeader;
uint32_t Age;
uint16_t BuildNumber;
uint16_t PdbDllVersion;
uint16_t PdbDllRbld;
uint16_t Flags;
PDB_Machine MachineType;
const DbiStreamHeader *Header;
StringMap<std::unique_ptr<DbiModuleDescriptorBuilder>> ModiMap;
std::vector<DbiModuleDescriptorBuilder *> ModiList;
StringMap<uint32_t> SourceFileNames;
WritableBinaryStreamRef NamesBuffer;
MutableBinaryByteStream FileInfoBuffer;
ArrayRef<SectionContrib> SectionContribs;
ArrayRef<SecMapEntry> SectionMap;
llvm::SmallVector<DebugStream, (int)DbgHeaderType::Max> DbgStreams;
};
}
}
#endif
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