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//===- PDBFileBuilder.h - PDB File 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_NATIVE_PDBFILEBUILDER_H
#define LLVM_DEBUGINFO_PDB_NATIVE_PDBFILEBUILDER_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/DebugInfo/PDB/Native/HashTable.h"
#include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
#include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MemoryBuffer.h"
#include <memory>
namespace llvm {
class WritableBinaryStream;
namespace codeview {
struct GUID;
}
namespace msf {
class MSFBuilder;
struct MSFLayout;
}
namespace pdb {
struct SrcHeaderBlockEntry;
class DbiStreamBuilder;
class InfoStreamBuilder;
class GSIStreamBuilder;
class TpiStreamBuilder;
class PDBFileBuilder {
public:
explicit PDBFileBuilder(BumpPtrAllocator &Allocator);
~PDBFileBuilder();
PDBFileBuilder(const PDBFileBuilder &) = delete;
PDBFileBuilder &operator=(const PDBFileBuilder &) = delete;
Error initialize(uint32_t BlockSize);
msf::MSFBuilder &getMsfBuilder();
InfoStreamBuilder &getInfoBuilder();
DbiStreamBuilder &getDbiBuilder();
TpiStreamBuilder &getTpiBuilder();
TpiStreamBuilder &getIpiBuilder();
PDBStringTableBuilder &getStringTableBuilder();
GSIStreamBuilder &getGsiBuilder();
// If HashPDBContentsToGUID is true on the InfoStreamBuilder, Guid is filled
// with the computed PDB GUID on return.
Error commit(StringRef Filename, codeview::GUID *Guid);
Expected<uint32_t> getNamedStreamIndex(StringRef Name) const;
Error addNamedStream(StringRef Name, StringRef Data);
void addInjectedSource(StringRef Name, std::unique_ptr<MemoryBuffer> Buffer);
private:
struct InjectedSourceDescriptor {
// The full name of the stream that contains the contents of this injected
// source. This is built as a concatenation of the literal "/src/files"
// plus the "vname".
std::string StreamName;
// The exact name of the file name as specified by the user.
uint32_t NameIndex;
// The string table index of the "vname" of the file. As far as we
// understand, this is the same as the name, except it is lowercased and
// forward slashes are converted to backslashes.
uint32_t VNameIndex;
std::unique_ptr<MemoryBuffer> Content;
};
Error finalizeMsfLayout();
Expected<uint32_t> allocateNamedStream(StringRef Name, uint32_t Size);
void commitInjectedSources(WritableBinaryStream &MsfBuffer,
const msf::MSFLayout &Layout);
void commitSrcHeaderBlock(WritableBinaryStream &MsfBuffer,
const msf::MSFLayout &Layout);
BumpPtrAllocator &Allocator;
std::unique_ptr<msf::MSFBuilder> Msf;
std::unique_ptr<InfoStreamBuilder> Info;
std::unique_ptr<DbiStreamBuilder> Dbi;
std::unique_ptr<GSIStreamBuilder> Gsi;
std::unique_ptr<TpiStreamBuilder> Tpi;
std::unique_ptr<TpiStreamBuilder> Ipi;
PDBStringTableBuilder Strings;
StringTableHashTraits InjectedSourceHashTraits;
HashTable<SrcHeaderBlockEntry> InjectedSourceTable;
SmallVector<InjectedSourceDescriptor, 2> InjectedSources;
NamedStreamMap NamedStreams;
DenseMap<uint32_t, std::string> NamedStreamData;
};
}
}
#endif
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