1 //===- TapiFile.h - Text-based Dynamic Library Stub -------------*- 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 // This file declares the TapiFile interface.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_OBJECT_TAPIFILE_H
14 #define LLVM_OBJECT_TAPIFILE_H
15 
16 #include "llvm/ADT/StringRef.h"
17 #include "llvm/Object/Binary.h"
18 #include "llvm/Object/ObjectFile.h"
19 #include "llvm/Object/SymbolicFile.h"
20 #include "llvm/Support/Error.h"
21 #include "llvm/Support/MemoryBufferRef.h"
22 #include "llvm/TextAPI/Architecture.h"
23 
24 namespace llvm {
25 
26 class raw_ostream;
27 
28 namespace MachO {
29 
30 class InterfaceFile;
31 
32 }
33 
34 namespace object {
35 
36 class TapiFile : public SymbolicFile {
37 public:
38   TapiFile(MemoryBufferRef Source, const MachO::InterfaceFile &Interface,
39            MachO::Architecture Arch);
40   ~TapiFile() override;
41 
42   void moveSymbolNext(DataRefImpl &DRI) const override;
43 
44   Error printSymbolName(raw_ostream &OS, DataRefImpl DRI) const override;
45 
46   Expected<uint32_t> getSymbolFlags(DataRefImpl DRI) const override;
47 
48   basic_symbol_iterator symbol_begin() const override;
49 
50   basic_symbol_iterator symbol_end() const override;
51 
52   Expected<SymbolRef::Type> getSymbolType(DataRefImpl DRI) const;
53 
54   static bool classof(const Binary *v) { return v->isTapiFile(); }
55 
56   bool is64Bit() const override { return MachO::is64Bit(Arch); }
57 
58 private:
59   struct Symbol {
60     StringRef Prefix;
61     StringRef Name;
62     uint32_t Flags;
63     SymbolRef::Type Type;
64 
65     constexpr Symbol(StringRef Prefix, StringRef Name, uint32_t Flags,
66                      SymbolRef::Type Type)
67         : Prefix(Prefix), Name(Name), Flags(Flags), Type(Type) {}
68   };
69 
70   std::vector<Symbol> Symbols;
71   MachO::Architecture Arch;
72 };
73 
74 } // end namespace object.
75 } // end namespace llvm.
76 
77 #endif // LLVM_OBJECT_TAPIFILE_H
78