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//===-- 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 <vector>
// 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() 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::Error &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 ();
ObjectFile::Type
CalculateType() override;
ObjectFile::Strata
CalculateStrata() override;
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
lldb_private::ConstString
GetPluginName() override;
uint32_t
GetPluginVersion() override;
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);
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& sect_name, const section_header_t& sect);
typedef std::vector<section_header_t> 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;
};
#endif // liblldb_ObjectFilePECOFF_h_
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