6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
//===- TpiStreamBuilder.h - PDB Tpi Stream Creation -------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_PDB_NATIVE_TPISTREAMBUILDER_H
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#define LLVM_DEBUGINFO_PDB_NATIVE_TPISTREAMBUILDER_H
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#include "llvm/DebugInfo/CodeView/CVRecord.h"
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#include "llvm/DebugInfo/CodeView/TypeIndex.h"
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#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
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#include "llvm/Support/Allocator.h"
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#include "llvm/Support/BinaryStreamRef.h"
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#include "llvm/Support/Error.h"
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#include <vector>
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namespace llvm {
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class BinaryByteStream;
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template <typename T> struct BinaryItemTraits;
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template <> struct BinaryItemTraits<llvm::codeview::CVType> {
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static size_t length(const codeview::CVType &Item) { return Item.length(); }
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static ArrayRef<uint8_t> bytes(const codeview::CVType &Item) {
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return Item.data();
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}
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};
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namespace msf {
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class MSFBuilder;
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struct MSFLayout;
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}
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namespace pdb {
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struct TpiStreamHeader;
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class TpiStreamBuilder {
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public:
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explicit TpiStreamBuilder(msf::MSFBuilder &Msf, uint32_t StreamIdx);
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~TpiStreamBuilder();
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TpiStreamBuilder(const TpiStreamBuilder &) = delete;
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TpiStreamBuilder &operator=(const TpiStreamBuilder &) = delete;
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void setVersionHeader(PdbRaw_TpiVer Version);
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void addTypeRecord(ArrayRef<uint8_t> Type, std::optional<uint32_t> Hash);
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void addTypeRecords(ArrayRef<uint8_t> Types, ArrayRef<uint16_t> Sizes,
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ArrayRef<uint32_t> Hashes);
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Error finalizeMsfLayout();
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uint32_t getRecordCount() const { return TypeRecordCount; }
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Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef Buffer);
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uint32_t calculateSerializedLength();
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private:
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void updateTypeIndexOffsets(ArrayRef<uint16_t> Sizes);
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uint32_t calculateHashBufferSize() const;
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uint32_t calculateIndexOffsetSize() const;
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Error finalize();
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msf::MSFBuilder &Msf;
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BumpPtrAllocator &Allocator;
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uint32_t TypeRecordCount = 0;
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size_t TypeRecordBytes = 0;
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PdbRaw_TpiVer VerHeader = PdbRaw_TpiVer::PdbTpiV80;
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std::vector<ArrayRef<uint8_t>> TypeRecBuffers;
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std::vector<uint32_t> TypeHashes;
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std::vector<codeview::TypeIndexOffset> TypeIndexOffsets;
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uint32_t HashStreamIndex = kInvalidStreamIndex;
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std::unique_ptr<BinaryByteStream> HashValueStream;
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const TpiStreamHeader *Header;
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uint32_t Idx;
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};
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} // namespace pdb
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}
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#endif
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