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_EXPRESSION_OBJECTFILEJIT_H |
10 | #define LLDB_EXPRESSION_OBJECTFILEJIT_H |
11 | |
12 | #include "lldb/Core/Address.h" |
13 | #include "lldb/Core/Section.h" |
14 | #include "lldb/Symbol/ObjectFile.h" |
15 | #include "lldb/Symbol/Symtab.h" |
16 | #include "lldb/Utility/ArchSpec.h" |
17 | |
18 | namespace lldb_private { |
19 | |
20 | class ObjectFileJITDelegate { |
21 | public: |
22 | ObjectFileJITDelegate() = default; |
23 | virtual ~ObjectFileJITDelegate() = default; |
24 | virtual lldb::ByteOrder GetByteOrder() const = 0; |
25 | virtual uint32_t GetAddressByteSize() const = 0; |
26 | virtual void PopulateSymtab(lldb_private::ObjectFile *obj_file, |
27 | lldb_private::Symtab &symtab) = 0; |
28 | virtual void PopulateSectionList(lldb_private::ObjectFile *obj_file, |
29 | lldb_private::SectionList §ion_list) = 0; |
30 | virtual ArchSpec GetArchitecture() = 0; |
31 | }; |
32 | |
33 | class ObjectFileJIT : public ObjectFile { |
34 | public: |
35 | ObjectFileJIT(const lldb::ModuleSP &module_sp, |
36 | const lldb::ObjectFileJITDelegateSP &delegate_sp); |
37 | |
38 | ~ObjectFileJIT() override; |
39 | |
40 | // Static Functions |
41 | static void Initialize(); |
42 | |
43 | static void Terminate(); |
44 | |
45 | static llvm::StringRef GetPluginNameStatic() { return "jit" ; } |
46 | |
47 | static llvm::StringRef GetPluginDescriptionStatic() { |
48 | return "JIT code object file" ; |
49 | } |
50 | |
51 | static lldb_private::ObjectFile * |
52 | CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp, |
53 | lldb::offset_t data_offset, const lldb_private::FileSpec *file, |
54 | lldb::offset_t file_offset, lldb::offset_t length); |
55 | |
56 | static lldb_private::ObjectFile *CreateMemoryInstance( |
57 | const lldb::ModuleSP &module_sp, lldb::WritableDataBufferSP data_sp, |
58 | const lldb::ProcessSP &process_sp, lldb::addr_t ); |
59 | |
60 | static size_t GetModuleSpecifications(const lldb_private::FileSpec &file, |
61 | lldb::DataBufferSP &data_sp, |
62 | lldb::offset_t data_offset, |
63 | lldb::offset_t file_offset, |
64 | lldb::offset_t length, |
65 | lldb_private::ModuleSpecList &specs); |
66 | |
67 | // LLVM RTTI support |
68 | static char ID; |
69 | bool isA(const void *ClassID) const override { |
70 | return ClassID == &ID || ObjectFile::isA(ClassID); |
71 | } |
72 | static bool classof(const ObjectFile *obj) { return obj->isA(ClassID: &ID); } |
73 | |
74 | // Member Functions |
75 | bool () override; |
76 | |
77 | bool SetLoadAddress(lldb_private::Target &target, lldb::addr_t value, |
78 | bool value_is_offset) override; |
79 | |
80 | lldb::ByteOrder GetByteOrder() const override; |
81 | |
82 | bool IsExecutable() const override; |
83 | |
84 | uint32_t GetAddressByteSize() const override; |
85 | |
86 | void ParseSymtab(lldb_private::Symtab &symtab) override; |
87 | |
88 | bool IsStripped() override; |
89 | |
90 | void CreateSections(lldb_private::SectionList &unified_section_list) override; |
91 | |
92 | void Dump(lldb_private::Stream *s) override; |
93 | |
94 | lldb_private::ArchSpec GetArchitecture() override; |
95 | |
96 | lldb_private::UUID GetUUID() override; |
97 | |
98 | uint32_t GetDependentModules(lldb_private::FileSpecList &files) override; |
99 | |
100 | size_t ReadSectionData(lldb_private::Section *section, |
101 | lldb::offset_t section_offset, void *dst, |
102 | size_t dst_len) override; |
103 | |
104 | size_t (lldb_private::Section *section, |
105 | lldb_private::DataExtractor §ion_data) override; |
106 | |
107 | lldb_private::Address GetEntryPointAddress() override; |
108 | |
109 | lldb_private::Address GetBaseAddress() override; |
110 | |
111 | ObjectFile::Type CalculateType() override; |
112 | |
113 | ObjectFile::Strata CalculateStrata() override; |
114 | |
115 | // PluginInterface protocol |
116 | llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } |
117 | |
118 | protected: |
119 | lldb::ObjectFileJITDelegateWP m_delegate_wp; |
120 | }; |
121 | } // namespace lldb_private |
122 | |
123 | #endif // LLDB_EXPRESSION_OBJECTFILEJIT_H |
124 | |