1 //===-- ObjectFilePlaceholder.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_PLACEHOLDER_OBJECTFILEPLACEHOLDER_H 10 #define LLDB_SOURCE_PLUGINS_OBJECTFILE_PLACEHOLDER_OBJECTFILEPLACEHOLDER_H 11 12 #include "lldb/Symbol/ObjectFile.h" 13 14 #include "lldb/Target/Target.h" 15 #include "lldb/Utility/ArchSpec.h" 16 #include "lldb/Utility/FileSpec.h" 17 #include "lldb/Utility/UUID.h" 18 #include "lldb/lldb-private.h" 19 20 /// A minimal ObjectFile implementation providing a dummy object file for the 21 /// cases when the real module binary is not available. This allows the module 22 /// to show up in "image list" and symbols to be added to it. 23 class ObjectFilePlaceholder : public lldb_private::ObjectFile { 24 public: 25 // Static Functions Initialize()26 static void Initialize() {} 27 Terminate()28 static void Terminate() {} 29 GetPluginNameStatic()30 static llvm::StringRef GetPluginNameStatic() { return "placeholder"; } 31 32 ObjectFilePlaceholder(const lldb::ModuleSP &module_sp, 33 const lldb_private::ModuleSpec &module_spec, 34 lldb::addr_t base, lldb::addr_t size); 35 GetPluginName()36 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } ParseHeader()37 bool ParseHeader() override { return true; } CalculateType()38 Type CalculateType() override { return eTypeUnknown; } CalculateStrata()39 Strata CalculateStrata() override { return eStrataUnknown; } GetDependentModules(lldb_private::FileSpecList & file_list)40 uint32_t GetDependentModules(lldb_private::FileSpecList &file_list) override { 41 return 0; 42 } IsExecutable()43 bool IsExecutable() const override { return false; } GetArchitecture()44 lldb_private::ArchSpec GetArchitecture() override { return m_arch; } GetUUID()45 lldb_private::UUID GetUUID() override { return m_uuid; } ParseSymtab(lldb_private::Symtab & symtab)46 void ParseSymtab(lldb_private::Symtab &symtab) override {} IsStripped()47 bool IsStripped() override { return true; } GetByteOrder()48 lldb::ByteOrder GetByteOrder() const override { 49 return m_arch.GetByteOrder(); 50 } 51 GetAddressByteSize()52 uint32_t GetAddressByteSize() const override { 53 return m_arch.GetAddressByteSize(); 54 } 55 56 lldb_private::Address GetBaseAddress() override; 57 58 void CreateSections(lldb_private::SectionList &unified_section_list) override; 59 60 bool SetLoadAddress(lldb_private::Target &target, lldb::addr_t value, 61 bool value_is_offset) override; 62 63 void Dump(lldb_private::Stream *s) override; 64 GetBaseImageAddress()65 lldb::addr_t GetBaseImageAddress() const { return m_base; } 66 67 private: 68 lldb_private::ArchSpec m_arch; 69 lldb_private::UUID m_uuid; 70 lldb::addr_t m_base; 71 lldb::addr_t m_size; 72 }; 73 74 #endif // LLDB_SOURCE_PLUGINS_OBJECTFILE_PLACEHOLDER_OBJECTFILEPLACEHOLDER_H 75