forked from OSchip/llvm-project
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
//===- DebugTypes.h ---------------------------------------------*- 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 LLD_COFF_DEBUGTYPES_H
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#define LLD_COFF_DEBUGTYPES_H
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#include "llvm/Support/Error.h"
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#include "llvm/Support/MemoryBuffer.h"
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namespace llvm {
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namespace codeview {
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class PrecompRecord;
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class TypeServer2Record;
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} // namespace codeview
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namespace pdb {
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class NativeSession;
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}
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} // namespace llvm
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namespace lld {
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namespace coff {
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class ObjFile;
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class PDBInputFile;
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struct CVIndexMap;
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class TypeMerger;
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class TpiSource {
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public:
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enum TpiKind { Regular, PCH, UsingPCH, PDB, UsingPDB };
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TpiSource(TpiKind k, ObjFile *f);
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virtual ~TpiSource();
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/// Produce a mapping from the type and item indices used in the object
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/// file to those in the destination PDB.
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///
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/// If the object file uses a type server PDB (compiled with /Zi), merge TPI
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/// and IPI from the type server PDB and return a map for it. Each unique type
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/// server PDB is merged at most once, so this may return an existing index
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/// mapping.
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///
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/// If the object does not use a type server PDB (compiled with /Z7), we merge
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/// all the type and item records from the .debug$S stream and fill in the
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/// caller-provided ObjectIndexMap.
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virtual llvm::Expected<const CVIndexMap *> mergeDebugT(TypeMerger *m,
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CVIndexMap *indexMap);
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/// Is this a dependent file that needs to be processed first, before other
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/// OBJs?
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virtual bool isDependency() const { return false; }
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static void forEachSource(llvm::function_ref<void(TpiSource *)> fn);
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static uint32_t countTypeServerPDBs();
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static uint32_t countPrecompObjs();
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/// Clear global data structures for TpiSources.
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static void clear();
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const TpiKind kind;
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ObjFile *file;
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};
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TpiSource *makeTpiSource(ObjFile *file);
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TpiSource *makeTypeServerSource(PDBInputFile *pdbInputFile);
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TpiSource *makeUseTypeServerSource(ObjFile *file,
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llvm::codeview::TypeServer2Record ts);
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TpiSource *makePrecompSource(ObjFile *file);
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TpiSource *makeUsePrecompSource(ObjFile *file,
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llvm::codeview::PrecompRecord ts);
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} // namespace coff
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} // namespace lld
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#endif
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