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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===-- TapiUniversal.h - Text-based Dynamic Library Stub -------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file declares the TapiUniversal interface. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |||
| 13 | #ifndef LLVM_OBJECT_TAPIUNIVERSAL_H |
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| 14 | #define LLVM_OBJECT_TAPIUNIVERSAL_H |
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| 15 | |||
| 16 | #include "llvm/ADT/StringRef.h" |
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| 17 | #include "llvm/Object/Binary.h" |
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| 18 | #include "llvm/Support/Error.h" |
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| 19 | #include "llvm/Support/MemoryBufferRef.h" |
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| 20 | #include "llvm/TextAPI/Architecture.h" |
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| 21 | #include "llvm/TextAPI/InterfaceFile.h" |
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| 22 | |||
| 23 | namespace llvm { |
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| 24 | namespace object { |
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| 25 | |||
| 26 | class TapiFile; |
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| 27 | |||
| 28 | class TapiUniversal : public Binary { |
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| 29 | public: |
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| 30 | class ObjectForArch { |
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| 31 | const TapiUniversal *Parent; |
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| 32 | int Index; |
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| 33 | |||
| 34 | public: |
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| 35 | ObjectForArch(const TapiUniversal *Parent, int Index) |
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| 36 | : Parent(Parent), Index(Index) {} |
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| 37 | |||
| 38 | ObjectForArch getNext() const { return ObjectForArch(Parent, Index + 1); } |
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| 39 | |||
| 40 | bool operator==(const ObjectForArch &Other) const { |
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| 41 | return (Parent == Other.Parent) && (Index == Other.Index); |
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| 42 | } |
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| 43 | |||
| 44 | uint32_t getCPUType() const { |
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| 45 | auto Result = |
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| 46 | MachO::getCPUTypeFromArchitecture(Parent->Libraries[Index].Arch); |
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| 47 | return Result.first; |
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| 48 | } |
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| 49 | |||
| 50 | uint32_t getCPUSubType() const { |
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| 51 | auto Result = |
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| 52 | MachO::getCPUTypeFromArchitecture(Parent->Libraries[Index].Arch); |
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| 53 | return Result.second; |
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| 54 | } |
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| 55 | |||
| 56 | StringRef getArchFlagName() const { |
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| 57 | return MachO::getArchitectureName(Parent->Libraries[Index].Arch); |
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| 58 | } |
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| 59 | |||
| 60 | std::string getInstallName() const { |
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| 61 | return std::string(Parent->Libraries[Index].InstallName); |
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| 62 | } |
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| 63 | |||
| 64 | bool isTopLevelLib() const { |
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| 65 | return Parent->ParsedFile->getInstallName() == getInstallName(); |
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| 66 | } |
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| 67 | |||
| 68 | Expected<std::unique_ptr<TapiFile>> getAsObjectFile() const; |
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| 69 | }; |
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| 70 | |||
| 71 | class object_iterator { |
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| 72 | ObjectForArch Obj; |
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| 73 | |||
| 74 | public: |
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| 75 | object_iterator(const ObjectForArch &Obj) : Obj(Obj) {} |
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| 76 | const ObjectForArch *operator->() const { return &Obj; } |
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| 77 | const ObjectForArch &operator*() const { return Obj; } |
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| 78 | |||
| 79 | bool operator==(const object_iterator &Other) const { |
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| 80 | return Obj == Other.Obj; |
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| 81 | } |
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| 82 | bool operator!=(const object_iterator &Other) const { |
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| 83 | return !(*this == Other); |
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| 84 | } |
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| 85 | |||
| 86 | object_iterator &operator++() { // Preincrement |
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| 87 | Obj = Obj.getNext(); |
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| 88 | return *this; |
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| 89 | } |
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| 90 | }; |
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| 91 | |||
| 92 | TapiUniversal(MemoryBufferRef Source, Error &Err); |
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| 93 | static Expected<std::unique_ptr<TapiUniversal>> |
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| 94 | create(MemoryBufferRef Source); |
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| 95 | ~TapiUniversal() override; |
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| 96 | |||
| 97 | object_iterator begin_objects() const { return ObjectForArch(this, 0); } |
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| 98 | object_iterator end_objects() const { |
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| 99 | return ObjectForArch(this, Libraries.size()); |
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| 100 | } |
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| 101 | |||
| 102 | iterator_range<object_iterator> objects() const { |
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| 103 | return make_range(begin_objects(), end_objects()); |
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| 104 | } |
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| 105 | |||
| 106 | const MachO::InterfaceFile &getInterfaceFile() { return *ParsedFile; } |
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| 107 | |||
| 108 | uint32_t getNumberOfObjects() const { return Libraries.size(); } |
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| 109 | |||
| 110 | static bool classof(const Binary *v) { return v->isTapiUniversal(); } |
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| 111 | |||
| 112 | private: |
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| 113 | struct Library { |
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| 114 | StringRef InstallName; |
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| 115 | MachO::Architecture Arch; |
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| 116 | }; |
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| 117 | |||
| 118 | std::unique_ptr<MachO::InterfaceFile> ParsedFile; |
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| 119 | std::vector<Library> Libraries; |
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| 120 | }; |
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| 121 | |||
| 122 | } // end namespace object. |
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| 123 | } // end namespace llvm. |
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| 124 | |||
| 125 | #endif // LLVM_OBJECT_TAPIUNIVERSAL_H |