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//===- 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
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