1 //===-- ObjectFileJIT.h -----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef liblldb_ObjectFileJIT_h_
11 #define liblldb_ObjectFileJIT_h_
12 
13 // C Includes
14 // C++ Includes
15 // Other libraries and framework includes
16 // Project includes
17 #include "lldb/Core/Address.h"
18 #include "lldb/Symbol/ObjectFile.h"
19 
20 //----------------------------------------------------------------------
21 // This class needs to be hidden as eventually belongs in a plugin that
22 // will export the ObjectFile protocol
23 //----------------------------------------------------------------------
24 class ObjectFileJIT :
25     public lldb_private::ObjectFile
26 {
27 public:
28     ObjectFileJIT(const lldb::ModuleSP &module_sp,
29                   const lldb::ObjectFileJITDelegateSP &delegate_sp);
30 
31     ~ObjectFileJIT() override;
32 
33     //------------------------------------------------------------------
34     // Static Functions
35     //------------------------------------------------------------------
36     static void
37     Initialize();
38 
39     static void
40     Terminate();
41 
42     static lldb_private::ConstString
43     GetPluginNameStatic();
44 
45     static const char *
46     GetPluginDescriptionStatic();
47 
48     static lldb_private::ObjectFile *
49     CreateInstance (const lldb::ModuleSP &module_sp,
50                     lldb::DataBufferSP& data_sp,
51                     lldb::offset_t data_offset,
52                     const lldb_private::FileSpec* file,
53                     lldb::offset_t file_offset,
54                     lldb::offset_t length);
55 
56     static lldb_private::ObjectFile *
57     CreateMemoryInstance (const lldb::ModuleSP &module_sp,
58                           lldb::DataBufferSP& data_sp,
59                           const lldb::ProcessSP &process_sp,
60                           lldb::addr_t header_addr);
61 
62     static size_t
63     GetModuleSpecifications (const lldb_private::FileSpec& file,
64                              lldb::DataBufferSP& data_sp,
65                              lldb::offset_t data_offset,
66                              lldb::offset_t file_offset,
67                              lldb::offset_t length,
68                              lldb_private::ModuleSpecList &specs);
69 
70     //------------------------------------------------------------------
71     // Member Functions
72     //------------------------------------------------------------------
73     bool
74     ParseHeader() override;
75 
76     bool
77     SetLoadAddress(lldb_private::Target &target,
78                    lldb::addr_t value,
79                    bool value_is_offset) override;
80 
81     lldb::ByteOrder
82     GetByteOrder() const override;
83 
84     bool
85     IsExecutable() const override;
86 
87     uint32_t
88     GetAddressByteSize() const override;
89 
90     lldb_private::Symtab *
91     GetSymtab() override;
92 
93     bool
94     IsStripped() override;
95 
96     void
97     CreateSections(lldb_private::SectionList &unified_section_list) override;
98 
99     void
100     Dump(lldb_private::Stream *s) override;
101 
102     bool
103     GetArchitecture(lldb_private::ArchSpec &arch) override;
104 
105     bool
106     GetUUID(lldb_private::UUID* uuid) override;
107 
108     uint32_t
109     GetDependentModules(lldb_private::FileSpecList& files) override;
110 
111     size_t
112     ReadSectionData(const lldb_private::Section *section,
113                     lldb::offset_t section_offset,
114                     void *dst,
115                     size_t dst_len) const override;
116 
117     size_t
118     ReadSectionData(const lldb_private::Section *section,
119                     lldb_private::DataExtractor& section_data) const override;
120 
121     lldb_private::Address
122     GetEntryPointAddress() override;
123 
124     lldb_private::Address
125     GetHeaderAddress() override;
126 
127     ObjectFile::Type
128     CalculateType() override;
129 
130     ObjectFile::Strata
131     CalculateStrata() override;
132 
133     //------------------------------------------------------------------
134     // PluginInterface protocol
135     //------------------------------------------------------------------
136     lldb_private::ConstString
137     GetPluginName() override;
138 
139     uint32_t
140     GetPluginVersion() override;
141 
142 protected:
143     lldb::ObjectFileJITDelegateWP m_delegate_wp;
144 };
145 
146 #endif // liblldb_ObjectFileJIT_h_
147