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/BinaryStreamReader.h" 16 #include "llvm/Support/BinaryStreamRef.h" 17 #include "llvm/Support/Error.h" 18 #include <cstdint> 19 #include <map> 20 21 namespace llvm { 22 namespace codeview { 23 24 class DebugCrossModuleExportsSubsectionRef final : public DebugSubsectionRef { 25 using ReferenceArray = FixedStreamArray<CrossModuleExport>; 26 using Iterator = ReferenceArray::Iterator; 27 28 public: DebugCrossModuleExportsSubsectionRef()29 DebugCrossModuleExportsSubsectionRef() 30 : DebugSubsectionRef(DebugSubsectionKind::CrossScopeExports) {} 31 classof(const DebugSubsectionRef * S)32 static bool classof(const DebugSubsectionRef *S) { 33 return S->kind() == DebugSubsectionKind::CrossScopeExports; 34 } 35 36 Error initialize(BinaryStreamReader Reader); 37 Error initialize(BinaryStreamRef Stream); 38 begin()39 Iterator begin() const { return References.begin(); } end()40 Iterator end() const { return References.end(); } 41 42 private: 43 FixedStreamArray<CrossModuleExport> References; 44 }; 45 46 class DebugCrossModuleExportsSubsection final : public DebugSubsection { 47 public: DebugCrossModuleExportsSubsection()48 DebugCrossModuleExportsSubsection() 49 : DebugSubsection(DebugSubsectionKind::CrossScopeExports) {} 50 classof(const DebugSubsection * S)51 static bool classof(const DebugSubsection *S) { 52 return S->kind() == DebugSubsectionKind::CrossScopeExports; 53 } 54 55 void addMapping(uint32_t Local, uint32_t Global); 56 57 uint32_t calculateSerializedSize() const override; 58 Error commit(BinaryStreamWriter &Writer) const override; 59 60 private: 61 std::map<uint32_t, uint32_t> Mappings; 62 }; 63 64 } // end namespace codeview 65 } // end namespace llvm 66 67 #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H 68