95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
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//===- DebugCrossImpSubsection.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 LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H
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#define LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/DebugInfo/CodeView/CodeView.h"
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#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
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#include "llvm/Support/BinaryStreamArray.h"
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#include "llvm/Support/BinaryStreamReader.h"
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#include "llvm/Support/BinaryStreamRef.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/Error.h"
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#include <cstdint>
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#include <vector>
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namespace llvm {
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namespace codeview {
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struct CrossModuleImportItem {
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const CrossModuleImport *Header = nullptr;
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FixedStreamArray<support::ulittle32_t> Imports;
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};
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} // end namespace codeview
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template <> struct VarStreamArrayExtractor<codeview::CrossModuleImportItem> {
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public:
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using ContextType = void;
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Error operator()(BinaryStreamRef Stream, uint32_t &Len,
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codeview::CrossModuleImportItem &Item);
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};
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namespace codeview {
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class DebugStringTableSubsection;
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class DebugCrossModuleImportsSubsectionRef final : public DebugSubsectionRef {
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using ReferenceArray = VarStreamArray<CrossModuleImportItem>;
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using Iterator = ReferenceArray::Iterator;
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public:
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DebugCrossModuleImportsSubsectionRef()
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: DebugSubsectionRef(DebugSubsectionKind::CrossScopeImports) {}
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static bool classof(const DebugSubsectionRef *S) {
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return S->kind() == DebugSubsectionKind::CrossScopeImports;
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}
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Error initialize(BinaryStreamReader Reader);
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Error initialize(BinaryStreamRef Stream);
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Iterator begin() const { return References.begin(); }
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Iterator end() const { return References.end(); }
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private:
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ReferenceArray References;
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};
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class DebugCrossModuleImportsSubsection final : public DebugSubsection {
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public:
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explicit DebugCrossModuleImportsSubsection(
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DebugStringTableSubsection &Strings)
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: DebugSubsection(DebugSubsectionKind::CrossScopeImports),
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Strings(Strings) {}
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static bool classof(const DebugSubsection *S) {
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return S->kind() == DebugSubsectionKind::CrossScopeImports;
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}
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void addImport(StringRef Module, uint32_t ImportId);
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uint32_t calculateSerializedSize() const override;
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Error commit(BinaryStreamWriter &Writer) const override;
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private:
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DebugStringTableSubsection &Strings;
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StringMap<std::vector<support::ulittle32_t>> Mappings;
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};
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} // end namespace codeview
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H
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