1 //===-- ObjectFileJIT.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 liblldb_ObjectFileJIT_h_
10 #define liblldb_ObjectFileJIT_h_
11 
12 #include "lldb/Core/Address.h"
13 #include "lldb/Symbol/ObjectFile.h"
14 
15 //----------------------------------------------------------------------
16 // This class needs to be hidden as eventually belongs in a plugin that
17 // will export the ObjectFile protocol
18 //----------------------------------------------------------------------
19 class ObjectFileJIT : public lldb_private::ObjectFile {
20 public:
21   ObjectFileJIT(const lldb::ModuleSP &module_sp,
22                 const lldb::ObjectFileJITDelegateSP &delegate_sp);
23 
24   ~ObjectFileJIT() override;
25 
26   //------------------------------------------------------------------
27   // Static Functions
28   //------------------------------------------------------------------
29   static void Initialize();
30 
31   static void Terminate();
32 
33   static lldb_private::ConstString GetPluginNameStatic();
34 
35   static const char *GetPluginDescriptionStatic();
36 
37   static lldb_private::ObjectFile *
38   CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,
39                  lldb::offset_t data_offset, const lldb_private::FileSpec *file,
40                  lldb::offset_t file_offset, lldb::offset_t length);
41 
42   static lldb_private::ObjectFile *CreateMemoryInstance(
43       const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,
44       const lldb::ProcessSP &process_sp, lldb::addr_t header_addr);
45 
46   static size_t GetModuleSpecifications(const lldb_private::FileSpec &file,
47                                         lldb::DataBufferSP &data_sp,
48                                         lldb::offset_t data_offset,
49                                         lldb::offset_t file_offset,
50                                         lldb::offset_t length,
51                                         lldb_private::ModuleSpecList &specs);
52 
53   //------------------------------------------------------------------
54   // Member Functions
55   //------------------------------------------------------------------
56   bool ParseHeader() override;
57 
58   bool SetLoadAddress(lldb_private::Target &target, lldb::addr_t value,
59                       bool value_is_offset) override;
60 
61   lldb::ByteOrder GetByteOrder() const override;
62 
63   bool IsExecutable() const override;
64 
65   uint32_t GetAddressByteSize() const override;
66 
67   lldb_private::Symtab *GetSymtab() override;
68 
69   bool IsStripped() override;
70 
71   void CreateSections(lldb_private::SectionList &unified_section_list) override;
72 
73   void Dump(lldb_private::Stream *s) override;
74 
75   lldb_private::ArchSpec GetArchitecture() override;
76 
77   lldb_private::UUID GetUUID() override;
78 
79   uint32_t GetDependentModules(lldb_private::FileSpecList &files) override;
80 
81   size_t ReadSectionData(lldb_private::Section *section,
82                          lldb::offset_t section_offset, void *dst,
83                          size_t dst_len) override;
84 
85   size_t
86   ReadSectionData(lldb_private::Section *section,
87                   lldb_private::DataExtractor &section_data) override;
88 
89   lldb_private::Address GetEntryPointAddress() override;
90 
91   lldb_private::Address GetBaseAddress() override;
92 
93   ObjectFile::Type CalculateType() override;
94 
95   ObjectFile::Strata CalculateStrata() override;
96 
97   //------------------------------------------------------------------
98   // PluginInterface protocol
99   //------------------------------------------------------------------
100   lldb_private::ConstString GetPluginName() override;
101 
102   uint32_t GetPluginVersion() override;
103 
104 protected:
105   lldb::ObjectFileJITDelegateWP m_delegate_wp;
106 };
107 
108 #endif // liblldb_ObjectFileJIT_h_
109