Class: Elf::Parser::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/mithril/parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/mithril/parser.rb', line 33

def initialize(string)
  @data = StringIO.new(string)
  @file = ElfFile.new
  ident = ElfStructs::ElfIdentification.read(@data)
  print ident.snapshot.inspect
  raise RuntimeError.new "Invalid ELF version #{ident.id_version}" if ident.id_version != ElfFlags::Version::EV_CURRENT
  case ident.id_class
  when ElfFlags::IdentClass::ELFCLASS64
    @file.bits = 64
  when ElfFlags::IdentClass::ELFCLASS32
    @file.bits = 32
  else
    RuntimeError.new "Invalid ELF class #{ident.id_class}"
  end
  case ident.id_data
  when ElfFlags::IdentData::ELFDATA2LSB
    @file.endian = :little
  when ElfFlags::IdentData::ELFDATA2MSB
    @file.endian = :big
  else
    RuntimeError.new  "Invalid ELF endianness #{ident.id_data}"
  end
  @versions = {}
  @reladyn_indices = []
  @factory = ElfStructFactory.instance(@file.endian,@file.bits)
  parse_with_factory()
end

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/mithril/parser.rb', line 32

def file
  @file
end