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