| 1 | //===- PDBStringTableBuilder.h - PDB String Table Builder -------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file creates the "/names" stream. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #ifndef LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLEBUILDER_H |
| 14 | #define LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLEBUILDER_H |
| 15 | |
| 16 | #include "llvm/ADT/StringRef.h" |
| 17 | #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h" |
| 18 | #include "llvm/Support/Error.h" |
| 19 | #include <cstdint> |
| 20 | |
| 21 | namespace llvm { |
| 22 | class BinaryStreamWriter; |
| 23 | class WritableBinaryStreamRef; |
| 24 | |
| 25 | namespace msf { |
| 26 | struct MSFLayout; |
| 27 | } |
| 28 | |
| 29 | namespace pdb { |
| 30 | |
| 31 | class PDBFileBuilder; |
| 32 | class PDBStringTableBuilder; |
| 33 | |
| 34 | struct StringTableHashTraits { |
| 35 | PDBStringTableBuilder *Table; |
| 36 | |
| 37 | explicit StringTableHashTraits(PDBStringTableBuilder &Table); |
| 38 | uint32_t hashLookupKey(StringRef S) const; |
| 39 | StringRef storageKeyToLookupKey(uint32_t Offset) const; |
| 40 | uint32_t lookupKeyToStorageKey(StringRef S); |
| 41 | }; |
| 42 | |
| 43 | class PDBStringTableBuilder { |
| 44 | public: |
| 45 | // If string S does not exist in the string table, insert it. |
| 46 | // Returns the ID for S. |
| 47 | uint32_t insert(StringRef S); |
| 48 | |
| 49 | uint32_t getIdForString(StringRef S) const; |
| 50 | StringRef getStringForId(uint32_t Id) const; |
| 51 | |
| 52 | uint32_t calculateSerializedSize() const; |
| 53 | Error commit(BinaryStreamWriter &Writer) const; |
| 54 | |
| 55 | void setStrings(const codeview::DebugStringTableSubsection &Strings); |
| 56 | |
| 57 | private: |
| 58 | uint32_t calculateHashTableSize() const; |
| 59 | Error writeHeader(BinaryStreamWriter &Writer) const; |
| 60 | Error writeStrings(BinaryStreamWriter &Writer) const; |
| 61 | Error writeHashTable(BinaryStreamWriter &Writer) const; |
| 62 | Error writeEpilogue(BinaryStreamWriter &Writer) const; |
| 63 | |
| 64 | codeview::DebugStringTableSubsection Strings; |
| 65 | }; |
| 66 | |
| 67 | } // end namespace pdb |
| 68 | } // end namespace llvm |
| 69 | |
| 70 | #endif // LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLEBUILDER_H |
| 71 |