diff options
Diffstat (limited to 'clang-r353983/include/llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h')
| -rw-r--r-- | clang-r353983/include/llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/clang-r353983/include/llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h b/clang-r353983/include/llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h new file mode 100644 index 00000000..72d98e9c --- /dev/null +++ b/clang-r353983/include/llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h @@ -0,0 +1,89 @@ +//===- 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_RAW_PDBTPISTREAMBUILDER_H +#define LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAMBUILDER_H + +#include "llvm/ADT/Optional.h" +#include "llvm/DebugInfo/CodeView/TypeRecord.h" +#include "llvm/DebugInfo/PDB/Native/RawConstants.h" +#include "llvm/DebugInfo/PDB/Native/RawTypes.h" +#include "llvm/Support/Allocator.h" +#include "llvm/Support/BinaryByteStream.h" +#include "llvm/Support/BinaryItemStream.h" +#include "llvm/Support/BinaryStreamRef.h" +#include "llvm/Support/Error.h" + +#include <vector> + +namespace llvm { +class BinaryByteStream; +class WritableBinaryStreamRef; + +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 codeview { +class TypeRecord; +} +namespace msf { +class MSFBuilder; +struct MSFLayout; +} +namespace pdb { +class PDBFile; +class TpiStream; +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, Optional<uint32_t> Hash); + + Error finalizeMsfLayout(); + + uint32_t getRecordCount() const { return TypeRecords.size(); } + + Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef Buffer); + + uint32_t calculateSerializedLength(); + +private: + uint32_t calculateHashBufferSize() const; + uint32_t calculateIndexOffsetSize() const; + Error finalize(); + + msf::MSFBuilder &Msf; + BumpPtrAllocator &Allocator; + + size_t TypeRecordBytes = 0; + + PdbRaw_TpiVer VerHeader = PdbRaw_TpiVer::PdbTpiV80; + std::vector<ArrayRef<uint8_t>> TypeRecords; + 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; +}; +} +} + +#endif |
