//===-- ObjectFilePECOFF.h --------------------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef liblldb_ObjectFilePECOFF_h_ #define liblldb_ObjectFilePECOFF_h_ // C Includes // C++ Includes #include // Other libraries and framework includes // Project includes #include "lldb/Symbol/ObjectFile.h" class ObjectFilePECOFF : public lldb_private::ObjectFile { public: typedef enum MachineType { MachineUnknown = 0x0, MachineAm33 = 0x1d3, MachineAmd64 = 0x8664, MachineArm = 0x1c0, MachineArmNt = 0x1c4, MachineArm64 = 0xaa64, MachineEbc = 0xebc, MachineX86 = 0x14c, MachineIA64 = 0x200, MachineM32R = 0x9041, MachineMips16 = 0x266, MachineMipsFpu = 0x366, MachineMipsFpu16 = 0x466, MachinePowerPc = 0x1f0, MachinePowerPcfp = 0x1f1, MachineR4000 = 0x166, MachineSh3 = 0x1a2, MachineSh3dsp = 0x1a3, MachineSh4 = 0x1a6, MachineSh5 = 0x1a8, MachineThumb = 0x1c2, MachineWcemIpsv2 = 0x169 } MachineType; ObjectFilePECOFF(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); ObjectFilePECOFF(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &header_data_sp, const lldb::ProcessSP &process_sp, lldb::addr_t header_addr); ~ObjectFilePECOFF() override; //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ static void Initialize(); static void Terminate(); static lldb_private::ConstString GetPluginNameStatic(); static const char *GetPluginDescriptionStatic(); static ObjectFile * CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, lldb::offset_t data_offset, const lldb_private::FileSpec *file, lldb::offset_t offset, lldb::offset_t length); static lldb_private::ObjectFile *CreateMemoryInstance( const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, const lldb::ProcessSP &process_sp, lldb::addr_t header_addr); 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); static bool SaveCore(const lldb::ProcessSP &process_sp, const lldb_private::FileSpec &outfile, lldb_private::Status &error); static bool MagicBytesMatch(lldb::DataBufferSP &data_sp); static lldb::SymbolType MapSymbolType(uint16_t coff_symbol_type); bool ParseHeader() override; bool SetLoadAddress(lldb_private::Target &target, lldb::addr_t value, bool value_is_offset) override; lldb::ByteOrder GetByteOrder() const override; bool IsExecutable() const override; uint32_t GetAddressByteSize() const override; // virtual lldb_private::AddressClass // GetAddressClass (lldb::addr_t file_addr); lldb_private::Symtab *GetSymtab() override; bool IsStripped() override; void CreateSections(lldb_private::SectionList &unified_section_list) override; void Dump(lldb_private::Stream *s) override; bool GetArchitecture(lldb_private::ArchSpec &arch) override; bool GetUUID(lldb_private::UUID *uuid) override; uint32_t GetDependentModules(lldb_private::FileSpecList &files) override; virtual lldb_private::Address GetEntryPointAddress() override; ObjectFile::Type CalculateType() override; ObjectFile::Strata CalculateStrata() override; //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ lldb_private::ConstString GetPluginName() override; uint32_t GetPluginVersion() override; bool IsWindowsSubsystem(); lldb_private::DataExtractor ReadImageData(uint32_t offset, size_t size); protected: bool NeedsEndianSwap() const; typedef struct dos_header { // DOS .EXE header uint16_t e_magic; // Magic number uint16_t e_cblp; // Bytes on last page of file uint16_t e_cp; // Pages in file uint16_t e_crlc; // Relocations uint16_t e_cparhdr; // Size of header in paragraphs uint16_t e_minalloc; // Minimum extra paragraphs needed uint16_t e_maxalloc; // Maximum extra paragraphs needed uint16_t e_ss; // Initial (relative) SS value uint16_t e_sp; // Initial SP value uint16_t e_csum; // Checksum uint16_t e_ip; // Initial IP value uint16_t e_cs; // Initial (relative) CS value uint16_t e_lfarlc; // File address of relocation table uint16_t e_ovno; // Overlay number uint16_t e_res[4]; // Reserved words uint16_t e_oemid; // OEM identifier (for e_oeminfo) uint16_t e_oeminfo; // OEM information; e_oemid specific uint16_t e_res2[10]; // Reserved words uint32_t e_lfanew; // File address of new exe header } dos_header_t; typedef struct coff_header { uint16_t machine; uint16_t nsects; uint32_t modtime; uint32_t symoff; uint32_t nsyms; uint16_t hdrsize; uint16_t flags; } coff_header_t; typedef struct data_directory { uint32_t vmaddr; uint32_t vmsize; } data_directory_t; typedef struct coff_opt_header { uint16_t magic; uint8_t major_linker_version; uint8_t minor_linker_version; uint32_t code_size; uint32_t data_size; uint32_t bss_size; uint32_t entry; uint32_t code_offset; uint32_t data_offset; uint64_t image_base; uint32_t sect_alignment; uint32_t file_alignment; uint16_t major_os_system_version; uint16_t minor_os_system_version; uint16_t major_image_version; uint16_t minor_image_version; uint16_t major_subsystem_version; uint16_t minor_subsystem_version; uint32_t reserved1; uint32_t image_size; uint32_t header_size; uint32_t checksum; uint16_t subsystem; uint16_t dll_flags; uint64_t stack_reserve_size; uint64_t stack_commit_size; uint64_t heap_reserve_size; uint64_t heap_commit_size; uint32_t loader_flags; // uint32_t num_data_dir_entries; std::vector data_dirs; // will contain num_data_dir_entries entries } coff_opt_header_t; typedef enum coff_data_dir_type { coff_data_dir_export_table = 0, coff_data_dir_import_table = 1, } coff_data_dir_type; typedef struct section_header { char name[8]; uint32_t vmsize; // Virtual Size uint32_t vmaddr; // Virtual Addr uint32_t size; // File size uint32_t offset; // File offset uint32_t reloff; // Offset to relocations uint32_t lineoff; // Offset to line table entries uint16_t nreloc; // Number of relocation entries uint16_t nline; // Number of line table entries uint32_t flags; } section_header_t; typedef struct coff_symbol { char name[8]; uint32_t value; uint16_t sect; uint16_t type; uint8_t storage; uint8_t naux; } coff_symbol_t; typedef struct export_directory_entry { uint32_t characteristics; uint32_t time_date_stamp; uint16_t major_version; uint16_t minor_version; uint32_t name; uint32_t base; uint32_t number_of_functions; uint32_t number_of_names; uint32_t address_of_functions; uint32_t address_of_names; uint32_t address_of_name_ordinals; } export_directory_entry; static bool ParseDOSHeader(lldb_private::DataExtractor &data, dos_header_t &dos_header); static bool ParseCOFFHeader(lldb_private::DataExtractor &data, lldb::offset_t *offset_ptr, coff_header_t &coff_header); bool ParseCOFFOptionalHeader(lldb::offset_t *offset_ptr); bool ParseSectionHeaders(uint32_t offset); static void DumpDOSHeader(lldb_private::Stream *s, const dos_header_t &header); static void DumpCOFFHeader(lldb_private::Stream *s, const coff_header_t &header); static void DumpOptCOFFHeader(lldb_private::Stream *s, const coff_opt_header_t &header); void DumpSectionHeaders(lldb_private::Stream *s); void DumpSectionHeader(lldb_private::Stream *s, const section_header_t &sh); bool GetSectionName(std::string §_name, const section_header_t §); typedef std::vector SectionHeaderColl; typedef SectionHeaderColl::iterator SectionHeaderCollIter; typedef SectionHeaderColl::const_iterator SectionHeaderCollConstIter; private: dos_header_t m_dos_header; coff_header_t m_coff_header; coff_opt_header_t m_coff_header_opt; SectionHeaderColl m_sect_headers; lldb::addr_t m_image_base; lldb_private::Address m_entry_point_address; }; #endif // liblldb_ObjectFilePECOFF_h_