| //===- TypeMerger.h ---------------------------------------------*- 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 LLD_COFF_TYPEMERGER_H |
| #define LLD_COFF_TYPEMERGER_H |
| |
| #include "Config.h" |
| #include "llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h" |
| #include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h" |
| #include "llvm/Support/Allocator.h" |
| |
| namespace lld { |
| namespace coff { |
| |
| class TypeMerger { |
| public: |
| TypeMerger(llvm::BumpPtrAllocator &Alloc) |
| : TypeTable(Alloc), IDTable(Alloc), GlobalTypeTable(Alloc), |
| GlobalIDTable(Alloc) {} |
| |
| /// Get the type table or the global type table if /DEBUG:GHASH is enabled. |
| inline llvm::codeview::TypeCollection &getTypeTable() { |
| if (Config->DebugGHashes) |
| return GlobalTypeTable; |
| return TypeTable; |
| } |
| |
| /// Get the ID table or the global ID table if /DEBUG:GHASH is enabled. |
| inline llvm::codeview::TypeCollection &getIDTable() { |
| if (Config->DebugGHashes) |
| return GlobalIDTable; |
| return IDTable; |
| } |
| |
| /// Type records that will go into the PDB TPI stream. |
| llvm::codeview::MergingTypeTableBuilder TypeTable; |
| |
| /// Item records that will go into the PDB IPI stream. |
| llvm::codeview::MergingTypeTableBuilder IDTable; |
| |
| /// Type records that will go into the PDB TPI stream (for /DEBUG:GHASH) |
| llvm::codeview::GlobalTypeTableBuilder GlobalTypeTable; |
| |
| /// Item records that will go into the PDB IPI stream (for /DEBUG:GHASH) |
| llvm::codeview::GlobalTypeTableBuilder GlobalIDTable; |
| }; |
| |
| /// Map from type index and item index in a type server PDB to the |
| /// corresponding index in the destination PDB. |
| struct CVIndexMap { |
| llvm::SmallVector<llvm::codeview::TypeIndex, 0> TPIMap; |
| llvm::SmallVector<llvm::codeview::TypeIndex, 0> IPIMap; |
| bool IsTypeServerMap = false; |
| bool IsPrecompiledTypeMap = false; |
| }; |
| |
| } // namespace coff |
| } // namespace lld |
| |
| #endif |