| //===-- ObjectFileCOFF.h -------------------------------------- -*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_SOURCE_PLUGINS_OBJECTFILE_COFF_OBJECTFILECOFF_H |
| #define LLDB_SOURCE_PLUGINS_OBJECTFILE_COFF_OBJECTFILECOFF_H |
| |
| #include "lldb/Symbol/ObjectFile.h" |
| |
| #include "llvm/Object/COFF.h" |
| |
| /// \class ObjectFileELF |
| /// Generic COFF object file reader. |
| /// |
| /// This class provides a generic COFF reader plugin implementing the ObjectFile |
| /// protocol. Assumes that the COFF object format is a Microsoft style COFF |
| /// rather than the full generality afforded by it. |
| class ObjectFileCOFF : public lldb_private::ObjectFile { |
| std::unique_ptr<llvm::object::COFFObjectFile> m_object; |
| lldb_private::UUID m_uuid; |
| |
| ObjectFileCOFF(std::unique_ptr<llvm::object::COFFObjectFile> object, |
| const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp, |
| lldb::offset_t data_offset, const lldb_private::FileSpec *file, |
| lldb::offset_t file_offset, lldb::offset_t length) |
| : ObjectFile(module_sp, file, file_offset, length, data_sp, data_offset), |
| m_object(std::move(object)) {} |
| |
| public: |
| ~ObjectFileCOFF() override; |
| |
| static void Initialize(); |
| static void Terminate(); |
| |
| static llvm::StringRef GetPluginNameStatic() { return "COFF"; } |
| static llvm::StringRef GetPluginDescriptionStatic() { |
| return "COFF Object File Reader"; |
| } |
| |
| static lldb_private::ObjectFile * |
| CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp, |
| lldb::offset_t data_offset, const lldb_private::FileSpec *file, |
| lldb::offset_t file_offset, lldb::offset_t length); |
| |
| static lldb_private::ObjectFile * |
| CreateMemoryInstance(const lldb::ModuleSP &module_sp, |
| lldb::WritableDataBufferSP data_sp, |
| const lldb::ProcessSP &process_sp, lldb::addr_t header); |
| |
| static size_t GetModuleSpecifications(const lldb_private::FileSpec &file, |
| lldb::DataBufferSP &data_sp, |
| lldb::offset_t data_offset, |
| lldb::offset_t file_offset, |
| lldb::offset_t length, |
| lldb_private::ModuleSpecList &specs); |
| |
| // LLVM RTTI support |
| static char ID; |
| bool isA(const void *ClassID) const override { |
| return ClassID == &ID || ObjectFile::isA(ClassID); |
| } |
| static bool classof(const ObjectFile *obj) { return obj->isA(&ID); } |
| |
| // PluginInterface protocol |
| llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } |
| |
| // ObjectFile protocol |
| void Dump(lldb_private::Stream *stream) override; |
| |
| uint32_t GetAddressByteSize() const override; |
| |
| uint32_t GetDependentModules(lldb_private::FileSpecList &specs) override { |
| return 0; |
| } |
| |
| bool IsExecutable() const override { |
| // COFF is an object file format only, it cannot host an executable. |
| return false; |
| } |
| |
| lldb_private::ArchSpec GetArchitecture() override; |
| |
| void CreateSections(lldb_private::SectionList &) override; |
| |
| void ParseSymtab(lldb_private::Symtab &) override; |
| |
| bool IsStripped() override { |
| // FIXME see if there is a good way to identify a /Z7 v /Zi or /ZI build. |
| return false; |
| } |
| |
| lldb_private::UUID GetUUID() override { return m_uuid; } |
| |
| lldb::ByteOrder GetByteOrder() const override { |
| // Microsoft always uses little endian. |
| return lldb::ByteOrder::eByteOrderLittle; |
| } |
| |
| bool ParseHeader() override; |
| |
| lldb_private::ObjectFile::Type CalculateType() override { |
| // COFF is an object file format only, it cannot host an executable. |
| return lldb_private::ObjectFile::eTypeObjectFile; |
| } |
| |
| lldb_private::ObjectFile::Strata CalculateStrata() override { |
| // FIXME the object file may correspond to a kernel image. |
| return lldb_private::ObjectFile::eStrataUser; |
| } |
| }; |
| |
| #endif |