1 //===- DebugCrossExSubsection.h ---------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H 10 #define LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H 11 12 #include "llvm/DebugInfo/CodeView/CodeView.h" 13 #include "llvm/DebugInfo/CodeView/DebugSubsection.h" 14 #include "llvm/Support/BinaryStreamArray.h" 15 #include "llvm/Support/BinaryStreamRef.h" 16 #include "llvm/Support/Error.h" 17 #include <cstdint> 18 #include <map> 19 20 namespace llvm { 21 class BinaryStreamReader; 22 class BinaryStreamWriter; 23 namespace codeview { 24 25 class DebugCrossModuleExportsSubsectionRef final : public DebugSubsectionRef { 26 using ReferenceArray = FixedStreamArray<CrossModuleExport>; 27 using Iterator = ReferenceArray::Iterator; 28 29 public: DebugCrossModuleExportsSubsectionRef()30 DebugCrossModuleExportsSubsectionRef() 31 : DebugSubsectionRef(DebugSubsectionKind::CrossScopeExports) {} 32 classof(const DebugSubsectionRef * S)33 static bool classof(const DebugSubsectionRef *S) { 34 return S->kind() == DebugSubsectionKind::CrossScopeExports; 35 } 36 37 Error initialize(BinaryStreamReader Reader); 38 Error initialize(BinaryStreamRef Stream); 39 begin()40 Iterator begin() const { return References.begin(); } end()41 Iterator end() const { return References.end(); } 42 43 private: 44 FixedStreamArray<CrossModuleExport> References; 45 }; 46 47 class DebugCrossModuleExportsSubsection final : public DebugSubsection { 48 public: DebugCrossModuleExportsSubsection()49 DebugCrossModuleExportsSubsection() 50 : DebugSubsection(DebugSubsectionKind::CrossScopeExports) {} 51 classof(const DebugSubsection * S)52 static bool classof(const DebugSubsection *S) { 53 return S->kind() == DebugSubsectionKind::CrossScopeExports; 54 } 55 56 void addMapping(uint32_t Local, uint32_t Global); 57 58 uint32_t calculateSerializedSize() const override; 59 Error commit(BinaryStreamWriter &Writer) const override; 60 61 private: 62 std::map<uint32_t, uint32_t> Mappings; 63 }; 64 65 } // end namespace codeview 66 } // end namespace llvm 67 68 #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H 69