| //===-- ObjectFilePECOFF.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 liblldb_ObjectFilePECOFF_h_ |
| #define liblldb_ObjectFilePECOFF_h_ |
| |
| #include <vector> |
| |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "llvm/Object/Binary.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; |
| |
| lldb_private::ArchSpec GetArchitecture() override; |
| |
| lldb_private::UUID GetUUID() override; |
| |
| uint32_t GetDependentModules(lldb_private::FileSpecList &files) override; |
| |
| virtual lldb_private::Address GetEntryPointAddress() override; |
| |
| lldb_private::Address GetBaseAddress() 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_directory> |
| 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); |
| |
| uint32_t ParseDependentModules(); |
| |
| 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); |
| void DumpDependentModules(lldb_private::Stream *s); |
| |
| llvm::StringRef GetSectionName(const section_header_t §); |
| |
| typedef std::vector<section_header_t> SectionHeaderColl; |
| typedef SectionHeaderColl::iterator SectionHeaderCollIter; |
| typedef SectionHeaderColl::const_iterator SectionHeaderCollConstIter; |
| |
| private: |
| bool CreateBinary(); |
| |
| 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; |
| llvm::Optional<lldb_private::FileSpecList> m_deps_filespec; |
| typedef llvm::object::OwningBinary<llvm::object::Binary> OWNBINType; |
| llvm::Optional<OWNBINType> m_owningbin; |
| lldb_private::UUID m_uuid; |
| }; |
| |
| #endif // liblldb_ObjectFilePECOFF_h_ |