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//===- TpiStreamBuilder.h - PDB Tpi 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_NATIVE_TPISTREAMBUILDER_H
#define LLVM_DEBUGINFO_PDB_NATIVE_TPISTREAMBUILDER_H
#include "llvm/DebugInfo/CodeView/CVRecord.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/Error.h"
#include <vector>
namespace llvm {
class BinaryByteStream;
template <typename T> struct BinaryItemTraits;
template <> struct BinaryItemTraits<llvm::codeview::CVType> {
static size_t length(const codeview::CVType &Item) { return Item.length(); }
static ArrayRef<uint8_t> bytes(const codeview::CVType &Item) {
return Item.data();
}
};
namespace msf {
class MSFBuilder;
struct MSFLayout;
}
namespace pdb {
struct TpiStreamHeader;
class TpiStreamBuilder {
public:
explicit TpiStreamBuilder(msf::MSFBuilder &Msf, uint32_t StreamIdx);
~TpiStreamBuilder();
TpiStreamBuilder(const TpiStreamBuilder &) = delete;
TpiStreamBuilder &operator=(const TpiStreamBuilder &) = delete;
void setVersionHeader(PdbRaw_TpiVer Version);
void addTypeRecord(ArrayRef<uint8_t> Type, std::optional<uint32_t> Hash);
void addTypeRecords(ArrayRef<uint8_t> Types, ArrayRef<uint16_t> Sizes,
ArrayRef<uint32_t> Hashes);
Error finalizeMsfLayout();
uint32_t getRecordCount() const { return TypeRecordCount; }
Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef Buffer);
uint32_t calculateSerializedLength();
private:
void updateTypeIndexOffsets(ArrayRef<uint16_t> Sizes);
uint32_t calculateHashBufferSize() const;
uint32_t calculateIndexOffsetSize() const;
Error finalize();
msf::MSFBuilder &Msf;
BumpPtrAllocator &Allocator;
uint32_t TypeRecordCount = 0;
size_t TypeRecordBytes = 0;
PdbRaw_TpiVer VerHeader = PdbRaw_TpiVer::PdbTpiV80;
std::vector<ArrayRef<uint8_t>> TypeRecBuffers;
std::vector<uint32_t> TypeHashes;
std::vector<codeview::TypeIndexOffset> TypeIndexOffsets;
uint32_t HashStreamIndex = kInvalidStreamIndex;
std::unique_ptr<BinaryByteStream> HashValueStream;
const TpiStreamHeader *Header;
uint32_t Idx;
};
} // namespace pdb
}
#endif
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