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