Dyninst::SymElf Class Reference

#include <SymLite-elf.h>

Inheritance diagram for Dyninst::SymElf:
Dyninst::SymReader

Public Member Functions

virtual Symbol_t getSymbolByName (std::string symname)
virtual Symbol_t getContainingSymbol (Dyninst::Offset offset)
virtual std::string getInterpreterName ()
virtual unsigned numSegments ()
virtual bool getSegment (unsigned num, SymSegment &reg)
virtual Dyninst::Offset getSymbolOffset (const Symbol_t &sym)
virtual Dyninst::Offset getSymbolTOC (const Symbol_t &sym)
virtual std::string getSymbolName (const Symbol_t &sym)
virtual std::string getDemangledName (const Symbol_t &sym)
virtual bool isValidSymbol (const Symbol_t &sym)
virtual unsigned getAddressWidth ()
virtual unsigned long getSymbolSize (const Symbol_t &sym)
virtual Section_t getSectionByName (std::string name)
virtual Section_t getSectionByAddress (Dyninst::Address addr)
virtual Dyninst::Address getSectionAddress (Section_t sec)
virtual std::string getSectionName (Section_t sec)
virtual bool isValidSection (Section_t sec)
virtual Dyninst::Offset imageOffset ()
virtual Dyninst::Offset dataOffset ()
void * getElfHandle ()
int getFD ()

Data Fields

int ref_count
bool construction_error

Private Member Functions

 SymElf (std::string file_)
 SymElf (const char *buffer_, unsigned long size_)
virtual ~SymElf ()
void createSymCache ()
Symbol_t lookupCachedSymbol (Dyninst::Offset offset)
void init ()
unsigned long getSymOffset (const Elf_X_Sym &symbol, unsigned idx)
unsigned long getSymTOC (const Elf_X_Sym &symbol, unsigned idx)

Private Attributes

Elf_X * elf
int fd
bool need_odp
Elf_X_Shdr * odp_section
std::string file
const char * buffer
unsigned long buffer_size
SymCacheEntry * cache
unsigned cache_size
Elf_X_Shdr * sym_sections
unsigned sym_sections_size

Friends

class SymElfFactory

Detailed Description

Definition at line 45 of file SymLite-elf.h.

Constructor & Destructor Documentation

SymElf::SymElf ( std::string  file_  )  [private]

Definition at line 42 of file SymLite-elf.C.

References construction_error, elf, fd, init(), Dyninst::Elf_X::isValid(), and Dyninst::Elf_X::newElf_X().

SymElf::SymElf ( const char *  buffer_,
unsigned long  size_ 
) [private]

Definition at line 71 of file SymLite-elf.C.

References buffer_size, construction_error, elf, init(), Dyninst::Elf_X::isValid(), and Dyninst::Elf_X::newElf_X().

SymElf::~SymElf (  )  [private, virtual]

Definition at line 93 of file SymLite-elf.C.

References cache, cache_size, elf, Dyninst::Elf_X::end(), fd, Dyninst::Elf_X::isValid(), sym_sections, and sym_sections_size.

Member Function Documentation

void SymElf::createSymCache (  )  [private]

Definition at line 406 of file SymLite-elf.C.

References cache, cache_size, Dyninst::Elf_X_Sym::count(), Dyninst::SymCacheEntry::demangled_name, Dyninst::Elf_X::e_shnum(), elf, FOR_EACH_SYMBOL, Dyninst::Elf_X_Shdr::get_data(), Dyninst::Elf_X::get_shdr(), Dyninst::Elf_X_Data::get_sym(), getSymOffset(), Dyninst::Elf_X_Shdr::sh_type(), sym_sections, sym_sections_size, Dyninst::SymCacheEntry::symaddress, symcache_cmp(), and Dyninst::SymCacheEntry::symloc.

Referenced by getContainingSymbol().

Dyninst::Offset SymElf::dataOffset (  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 591 of file SymLite-elf.C.

unsigned SymElf::getAddressWidth (  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 293 of file SymLite-elf.C.

References elf, and Dyninst::Elf_X::wordSize().

Symbol_t SymElf::getContainingSymbol ( Dyninst::Offset  offset  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 197 of file SymLite-elf.C.

References cache, createSymCache(), Dyninst::Elf_X::e_shnum(), elf, FOR_EACH_SYMBOL, GET_INVALID_SYMBOL, Dyninst::Elf_X::get_shdr(), getSymOffset(), lookupCachedSymbol(), MAKE_SYMBOL, and Dyninst::Elf_X_Shdr::sh_type().

std::string SymElf::getDemangledName ( const Symbol_t &  sym  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 333 of file SymLite-elf.C.

References cache, Dyninst::SymCacheEntry::demangled_name, Dyninst::Symbol_t::i2, INVALID_SYM_CODE, P_cplus_demangle(), UNSET_INDEX_CODE, and Dyninst::Symbol_t::v1.

void * SymElf::getElfHandle (  )  [virtual]

Reimplemented from Dyninst::SymReader.

Definition at line 596 of file SymLite-elf.C.

References elf.

int SymElf::getFD (  )  [virtual]

Reimplemented from Dyninst::SymReader.

Definition at line 661 of file SymLite-elf.C.

References fd.

std::string SymElf::getInterpreterName (  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 236 of file SymLite-elf.C.

References buffer, Dyninst::Elf_X::e_phnum(), Dyninst::Elf_X::e_rawfile(), elf, fd, Dyninst::Elf_X::get_phdr(), Dyninst::Elf_X_Phdr::p_offset(), and Dyninst::Elf_X_Phdr::p_type().

Dyninst::Address SymElf::getSectionAddress ( Section_t  sec  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 560 of file SymLite-elf.C.

References elf, Dyninst::Elf_X::get_shdr(), Dyninst::Section_t::i1, isValidSection(), and Dyninst::Elf_X_Shdr::sh_addr().

Section_t SymElf::getSectionByAddress ( Dyninst::Address  addr  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 542 of file SymLite-elf.C.

References Dyninst::Elf_X::e_shnum(), elf, Dyninst::Elf_X::get_shdr(), Dyninst::Section_t::i1, Dyninst::Elf_X_Shdr::sh_addr(), and Dyninst::Elf_X_Shdr::sh_size().

Section_t SymElf::getSectionByName ( std::string  name  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 520 of file SymLite-elf.C.

References Dyninst::Elf_X_Data::d_buf(), Dyninst::Elf_X::e_shnum(), Dyninst::Elf_X::e_shstrndx(), elf, Dyninst::Elf_X_Shdr::get_data(), Dyninst::Elf_X::get_shdr(), Dyninst::Section_t::i1, and Dyninst::Elf_X_Shdr::sh_name().

std::string SymElf::getSectionName ( Section_t  sec  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 568 of file SymLite-elf.C.

References Dyninst::Elf_X_Data::d_buf(), Dyninst::Elf_X::e_shstrndx(), elf, Dyninst::Elf_X_Shdr::get_data(), Dyninst::Elf_X::get_shdr(), Dyninst::Section_t::i1, isValidSection(), and Dyninst::Elf_X_Shdr::sh_name().

bool SymElf::getSegment ( unsigned  num,
SymSegment &  reg 
) [virtual]

Implements Dyninst::SymReader.

Definition at line 278 of file SymLite-elf.C.

References Dyninst::Elf_X::e_phnum(), elf, Dyninst::SymSegment::file_offset, Dyninst::SymSegment::file_size, Dyninst::Elf_X::get_phdr(), Dyninst::SymSegment::mem_addr, Dyninst::SymSegment::mem_size, Dyninst::Elf_X_Phdr::p_filesz(), Dyninst::Elf_X_Phdr::p_flags(), Dyninst::Elf_X_Phdr::p_memsz(), Dyninst::Elf_X_Phdr::p_offset(), Dyninst::Elf_X_Phdr::p_type(), Dyninst::Elf_X_Phdr::p_vaddr(), Dyninst::SymSegment::perms, and Dyninst::SymSegment::type.

Symbol_t SymElf::getSymbolByName ( std::string  symname  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 170 of file SymLite-elf.C.

References Dyninst::Elf_X::e_shnum(), elf, FOR_EACH_SYMBOL, GET_INVALID_SYMBOL, Dyninst::Elf_X::get_shdr(), MAKE_SYMBOL, and Dyninst::Elf_X_Shdr::sh_type().

std::string SymElf::getSymbolName ( const Symbol_t &  sym  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 326 of file SymLite-elf.C.

References GET_SYMBOL.

Dyninst::Offset SymElf::getSymbolOffset ( const Symbol_t &  sym  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 306 of file SymLite-elf.C.

References cache, GET_SYMBOL, getSymOffset(), Dyninst::Symbol_t::i2, INVALID_SYM_CODE, Dyninst::SymCacheEntry::symaddress, and UNSET_INDEX_CODE.

unsigned long SymElf::getSymbolSize ( const Symbol_t &  sym  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 298 of file SymLite-elf.C.

References GET_SYMBOL.

Dyninst::Offset SymElf::getSymbolTOC ( const Symbol_t &  sym  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 319 of file SymLite-elf.C.

References GET_SYMBOL, and getSymTOC().

unsigned long SymElf::getSymOffset ( const Elf_X_Sym &  symbol,
unsigned  idx 
) [private]

Definition at line 372 of file SymLite-elf.C.

References Dyninst::Elf_X_Data::d_buf(), Dyninst::Elf_X_Shdr::get_data(), need_odp, odp_section, Dyninst::Elf_X_Shdr::sh_addr(), Dyninst::Elf_X_Shdr::sh_size(), Dyninst::Elf_X_Sym::ST_TYPE(), and Dyninst::Elf_X_Sym::st_value().

Referenced by createSymCache(), getContainingSymbol(), and getSymbolOffset().

unsigned long SymElf::getSymTOC ( const Elf_X_Sym &  symbol,
unsigned  idx 
) [private]

Definition at line 388 of file SymLite-elf.C.

References Dyninst::Elf_X_Data::d_buf(), Dyninst::Elf_X_Shdr::get_data(), need_odp, odp_section, Dyninst::Elf_X_Shdr::sh_addr(), Dyninst::Elf_X_Shdr::sh_size(), Dyninst::Elf_X_Sym::ST_TYPE(), and Dyninst::Elf_X_Sym::st_value().

Referenced by getSymbolTOC().

Dyninst::Offset SymElf::imageOffset (  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 586 of file SymLite-elf.C.

void SymElf::init (  )  [private]

Definition at line 114 of file SymLite-elf.C.

References Dyninst::Elf_X_Data::d_buf(), Dyninst::Elf_X::e_machine(), Dyninst::Elf_X::e_shnum(), Dyninst::Elf_X::e_shstrndx(), elf, Dyninst::Elf_X_Shdr::get_data(), Dyninst::Elf_X::get_shdr(), need_odp, odp_section, and Dyninst::Elf_X_Shdr::sh_name().

Referenced by SymElf().

bool SymElf::isValidSection ( Section_t  sec  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 581 of file SymLite-elf.C.

References Dyninst::Section_t::i1.

Referenced by getSectionAddress(), and getSectionName().

bool SymElf::isValidSymbol ( const Symbol_t &  sym  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 358 of file SymLite-elf.C.

References Dyninst::Symbol_t::i2, and INVALID_SYM_CODE.

Symbol_t SymElf::lookupCachedSymbol ( Dyninst::Offset  offset  )  [private]

Definition at line 462 of file SymLite-elf.C.

References cache, cache_size, Dyninst::Elf_X_Data::d_buf(), Dyninst::Elf_X_Data::d_size(), elf, Dyninst::Elf_X_Shdr::get_data(), Dyninst::Elf_X::get_shdr(), Dyninst::Elf_X_Data::get_sym(), Dyninst::Symbol_t::i2, INVALID_SYM_CODE, MAKE_SYMBOL, SET_SYM_CACHEINDEX, Dyninst::Elf_X_Shdr::sh_link(), Dyninst::Elf_X_Sym::st_entsize(), Dyninst::Elf_X_Sym::st_name(), sym_sections, sym_sections_size, Dyninst::SymCacheEntry::symaddress, and Dyninst::SymCacheEntry::symloc.

Referenced by getContainingSymbol().

unsigned SymElf::numSegments (  )  [virtual]

Implements Dyninst::SymReader.

Definition at line 273 of file SymLite-elf.C.

References Dyninst::Elf_X::e_phnum(), and elf.

Friends And Related Function Documentation

friend class SymElfFactory [friend]

Definition at line 47 of file SymLite-elf.h.

Field Documentation

const char* Dyninst::SymElf::buffer [private]

Definition at line 55 of file SymLite-elf.h.

Referenced by getInterpreterName().

unsigned long Dyninst::SymElf::buffer_size [private]

Definition at line 56 of file SymLite-elf.h.

Referenced by SymElf().

SymCacheEntry* Dyninst::SymElf::cache [private]

Definition at line 62 of file SymLite-elf.h.

Referenced by createSymCache(), getContainingSymbol(), getDemangledName(), getSymbolOffset(), lookupCachedSymbol(), and ~SymElf().

unsigned Dyninst::SymElf::cache_size [private]

Definition at line 63 of file SymLite-elf.h.

Referenced by createSymCache(), lookupCachedSymbol(), and ~SymElf().

bool Dyninst::SymElf::construction_error

Definition at line 100 of file SymLite-elf.h.

Referenced by Dyninst::SymElfFactory::openSymbolReader(), and SymElf().

Elf_X* Dyninst::SymElf::elf [private]

Definition at line 49 of file SymLite-elf.h.

Referenced by createSymCache(), getAddressWidth(), getContainingSymbol(), getElfHandle(), getInterpreterName(), getSectionAddress(), getSectionByAddress(), getSectionByName(), getSectionName(), getSegment(), getSymbolByName(), init(), lookupCachedSymbol(), numSegments(), SymElf(), and ~SymElf().

int Dyninst::SymElf::fd [private]

Definition at line 50 of file SymLite-elf.h.

Referenced by getFD(), getInterpreterName(), SymElf(), and ~SymElf().

std::string Dyninst::SymElf::file [private]

Definition at line 54 of file SymLite-elf.h.

Referenced by Dyninst::SymElfFactory::closeSymbolReader().

bool Dyninst::SymElf::need_odp [private]

Definition at line 51 of file SymLite-elf.h.

Referenced by getSymOffset(), getSymTOC(), and init().

Elf_X_Shdr* Dyninst::SymElf::odp_section [private]

Definition at line 52 of file SymLite-elf.h.

Referenced by getSymOffset(), getSymTOC(), and init().

int Dyninst::SymElf::ref_count

Definition at line 99 of file SymLite-elf.h.

Referenced by Dyninst::SymElfFactory::closeSymbolReader(), and Dyninst::SymElfFactory::openSymbolReader().

Elf_X_Shdr* Dyninst::SymElf::sym_sections [private]

Definition at line 65 of file SymLite-elf.h.

Referenced by createSymCache(), lookupCachedSymbol(), and ~SymElf().

unsigned Dyninst::SymElf::sym_sections_size [private]

Definition at line 66 of file SymLite-elf.h.

Referenced by createSymCache(), lookupCachedSymbol(), and ~SymElf().

The documentation for this class was generated from the following files:
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