Class: FileHeader

Inherits:
Base
  • Object
show all
Defined in:
lib/elfcat/fileheader.rb

Constant Summary collapse

FH = 
{
  ei_magic_number:        [0x00,4],
  ei_class:               [0x04,1],
  ei_data:                [0x05,1],
  ei_version:             [0x06,1],
  ei_osabi:               [0x07,1],
  ei_abiversion:          [0x08,1],
  e_type:                 [0x10,2],
  e_machine:              [0x12,2],
  e_version:              [0x14,4],
  e_entry:                [0x18,4],
  e_phoff:                [0x1C,4],
  e_shoff:                [0x20,4],
  e_flags:                [0x24,4],
  e_ehsize:               [0x28,2],
  e_phentsize:            [0x2A,2],
  e_phnum:                [0x2C,2],
  e_shentsize:            [0x2E,2],
  e_shnum:                [0x30,2],
  e_shstrndx:             [0x32,2]
}

Instance Attribute Summary

Attributes inherited from Base

#data

Instance Method Summary collapse

Methods inherited from Base

#[], #method_missing, #parse_slice, #parse_struct

Constructor Details

#initialize ⇒ FileHeader

Returns a new instance of FileHeader.



24
25
26
27
28
29
30
31
 
# File 'lib/elfcat/fileheader.rb', line 24

def initialize
  super
  x = $resource.slice_with_index(0, 64)

  FH.each do |k, v|
    @data[k] = Util.concatenate(x, v[0], v[1])
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Base

Instance Method Details

#debug ⇒ Object 



33
34
35
36
37
38
 
# File 'lib/elfcat/fileheader.rb', line 33

def debug
  @data.each do |k, d|
    k_s = sprintf("%32s", k)
    puts "#{k_s}: #{CuteHex.x d.data, slicer: :byte, word_size: (FH[k][1] * 8), style: :data, pad_zeros: true}"
  end
end