//===-- 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_
#include <vector>
#include "lldb/Symbol/ObjectFile.h"
class ObjectFilePECOFF :
public lldb_private::ObjectFile
{
public:
//------------------------------------------------------------------
// 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
MagicBytesMatch (lldb::DataBufferSP& data_sp);
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);
virtual
~ObjectFilePECOFF();
virtual bool
ParseHeader ();
virtual lldb::ByteOrder
GetByteOrder () const;
virtual bool
IsExecutable () const;
virtual uint32_t
GetAddressByteSize () const;
// virtual lldb_private::AddressClass
// GetAddressClass (lldb::addr_t file_addr);
//
virtual lldb_private::Symtab *
GetSymtab ();
virtual bool
IsStripped ();
virtual void
CreateSections (lldb_private::SectionList &unified_section_list);
virtual void
Dump (lldb_private::Stream *s);
virtual bool
GetArchitecture (lldb_private::ArchSpec &arch);
virtual bool
GetUUID (lldb_private::UUID* uuid);
virtual uint32_t
GetDependentModules (lldb_private::FileSpecList& files);
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
virtual lldb_private::ConstString
GetPluginName();
virtual uint32_t
GetPluginVersion();
//
// virtual lldb_private::Address
// GetEntryPointAddress ();
virtual ObjectFile::Type
CalculateType();
virtual ObjectFile::Strata
CalculateStrata();
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 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;
bool ParseDOSHeader ();
bool ParseCOFFHeader (lldb::offset_t *offset_ptr);
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;
};
#endif // #ifndef liblldb_ObjectFilePECOFF_h_