10b57cec5SDimitry Andric //===- DebugCrossImpSubsection.h --------------------------------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H 100b57cec5SDimitry Andric #define LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric #include "llvm/ADT/StringMap.h" 130b57cec5SDimitry Andric #include "llvm/ADT/StringRef.h" 140b57cec5SDimitry Andric #include "llvm/DebugInfo/CodeView/CodeView.h" 150b57cec5SDimitry Andric #include "llvm/DebugInfo/CodeView/DebugSubsection.h" 160b57cec5SDimitry Andric #include "llvm/Support/BinaryStreamArray.h" 170b57cec5SDimitry Andric #include "llvm/Support/BinaryStreamRef.h" 180b57cec5SDimitry Andric #include "llvm/Support/Endian.h" 190b57cec5SDimitry Andric #include "llvm/Support/Error.h" 200b57cec5SDimitry Andric #include <cstdint> 210b57cec5SDimitry Andric #include <vector> 220b57cec5SDimitry Andric 230b57cec5SDimitry Andric namespace llvm { 2481ad6265SDimitry Andric class BinaryStreamReader; 2581ad6265SDimitry Andric class BinaryStreamWriter; 260b57cec5SDimitry Andric 270b57cec5SDimitry Andric namespace codeview { 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric struct CrossModuleImportItem { 300b57cec5SDimitry Andric const CrossModuleImport *Header = nullptr; 310b57cec5SDimitry Andric FixedStreamArray<support::ulittle32_t> Imports; 320b57cec5SDimitry Andric }; 330b57cec5SDimitry Andric 340b57cec5SDimitry Andric } // end namespace codeview 350b57cec5SDimitry Andric 360b57cec5SDimitry Andric template <> struct VarStreamArrayExtractor<codeview::CrossModuleImportItem> { 370b57cec5SDimitry Andric public: 380b57cec5SDimitry Andric using ContextType = void; 390b57cec5SDimitry Andric 400b57cec5SDimitry Andric Error operator()(BinaryStreamRef Stream, uint32_t &Len, 410b57cec5SDimitry Andric codeview::CrossModuleImportItem &Item); 420b57cec5SDimitry Andric }; 430b57cec5SDimitry Andric 440b57cec5SDimitry Andric namespace codeview { 450b57cec5SDimitry Andric 460b57cec5SDimitry Andric class DebugStringTableSubsection; 470b57cec5SDimitry Andric 480b57cec5SDimitry Andric class DebugCrossModuleImportsSubsectionRef final : public DebugSubsectionRef { 490b57cec5SDimitry Andric using ReferenceArray = VarStreamArray<CrossModuleImportItem>; 500b57cec5SDimitry Andric using Iterator = ReferenceArray::Iterator; 510b57cec5SDimitry Andric 520b57cec5SDimitry Andric public: 530b57cec5SDimitry Andric DebugCrossModuleImportsSubsectionRef() 540b57cec5SDimitry Andric : DebugSubsectionRef(DebugSubsectionKind::CrossScopeImports) {} 550b57cec5SDimitry Andric 560b57cec5SDimitry Andric static bool classof(const DebugSubsectionRef *S) { 570b57cec5SDimitry Andric return S->kind() == DebugSubsectionKind::CrossScopeImports; 580b57cec5SDimitry Andric } 590b57cec5SDimitry Andric 600b57cec5SDimitry Andric Error initialize(BinaryStreamReader Reader); 610b57cec5SDimitry Andric Error initialize(BinaryStreamRef Stream); 620b57cec5SDimitry Andric 630b57cec5SDimitry Andric Iterator begin() const { return References.begin(); } 640b57cec5SDimitry Andric Iterator end() const { return References.end(); } 650b57cec5SDimitry Andric 660b57cec5SDimitry Andric private: 670b57cec5SDimitry Andric ReferenceArray References; 680b57cec5SDimitry Andric }; 690b57cec5SDimitry Andric 700b57cec5SDimitry Andric class DebugCrossModuleImportsSubsection final : public DebugSubsection { 710b57cec5SDimitry Andric public: 720b57cec5SDimitry Andric explicit DebugCrossModuleImportsSubsection( 730b57cec5SDimitry Andric DebugStringTableSubsection &Strings) 740b57cec5SDimitry Andric : DebugSubsection(DebugSubsectionKind::CrossScopeImports), 750b57cec5SDimitry Andric Strings(Strings) {} 760b57cec5SDimitry Andric 770b57cec5SDimitry Andric static bool classof(const DebugSubsection *S) { 780b57cec5SDimitry Andric return S->kind() == DebugSubsectionKind::CrossScopeImports; 790b57cec5SDimitry Andric } 800b57cec5SDimitry Andric 810b57cec5SDimitry Andric void addImport(StringRef Module, uint32_t ImportId); 820b57cec5SDimitry Andric 830b57cec5SDimitry Andric uint32_t calculateSerializedSize() const override; 840b57cec5SDimitry Andric Error commit(BinaryStreamWriter &Writer) const override; 850b57cec5SDimitry Andric 860b57cec5SDimitry Andric private: 870b57cec5SDimitry Andric DebugStringTableSubsection &Strings; 880b57cec5SDimitry Andric StringMap<std::vector<support::ulittle32_t>> Mappings; 890b57cec5SDimitry Andric }; 900b57cec5SDimitry Andric 910b57cec5SDimitry Andric } // end namespace codeview 920b57cec5SDimitry Andric 930b57cec5SDimitry Andric } // end namespace llvm 940b57cec5SDimitry Andric 950b57cec5SDimitry Andric #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H 96