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 GetPluginNameStatic()29 static llvm::StringRef GetPluginNameStatic() { return "jit"; } 30 GetPluginDescriptionStatic()31 static llvm::StringRef GetPluginDescriptionStatic() { 32 return "JIT code object file"; 33 } 34 35 static lldb_private::ObjectFile * 36 CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp, 37 lldb::offset_t data_offset, const lldb_private::FileSpec *file, 38 lldb::offset_t file_offset, lldb::offset_t length); 39 40 static lldb_private::ObjectFile *CreateMemoryInstance( 41 const lldb::ModuleSP &module_sp, lldb::WritableDataBufferSP data_sp, 42 const lldb::ProcessSP &process_sp, lldb::addr_t header_addr); 43 44 static size_t GetModuleSpecifications(const lldb_private::FileSpec &file, 45 lldb::DataBufferSP &data_sp, 46 lldb::offset_t data_offset, 47 lldb::offset_t file_offset, 48 lldb::offset_t length, 49 lldb_private::ModuleSpecList &specs); 50 51 // LLVM RTTI support 52 static char ID; isA(const void * ClassID)53 bool isA(const void *ClassID) const override { 54 return ClassID == &ID || ObjectFile::isA(ClassID); 55 } classof(const ObjectFile * obj)56 static bool classof(const ObjectFile *obj) { return obj->isA(&ID); } 57 58 // Member Functions 59 bool ParseHeader() override; 60 61 bool SetLoadAddress(lldb_private::Target &target, lldb::addr_t value, 62 bool value_is_offset) override; 63 64 lldb::ByteOrder GetByteOrder() const override; 65 66 bool IsExecutable() const override; 67 68 uint32_t GetAddressByteSize() const override; 69 70 void ParseSymtab(lldb_private::Symtab &symtab) override; 71 72 bool IsStripped() override; 73 74 void CreateSections(lldb_private::SectionList &unified_section_list) override; 75 76 void Dump(lldb_private::Stream *s) override; 77 78 lldb_private::ArchSpec GetArchitecture() override; 79 80 lldb_private::UUID GetUUID() override; 81 82 uint32_t GetDependentModules(lldb_private::FileSpecList &files) override; 83 84 size_t ReadSectionData(lldb_private::Section *section, 85 lldb::offset_t section_offset, void *dst, 86 size_t dst_len) override; 87 88 size_t 89 ReadSectionData(lldb_private::Section *section, 90 lldb_private::DataExtractor §ion_data) override; 91 92 lldb_private::Address GetEntryPointAddress() override; 93 94 lldb_private::Address GetBaseAddress() override; 95 96 ObjectFile::Type CalculateType() override; 97 98 ObjectFile::Strata CalculateStrata() override; 99 100 // PluginInterface protocol GetPluginName()101 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } 102 103 protected: 104 lldb::ObjectFileJITDelegateWP m_delegate_wp; 105 }; 106 107 #endif // LLDB_SOURCE_PLUGINS_OBJECTFILE_JIT_OBJECTFILEJIT_H 108