Class: ElfUtils::Types::Dwarf::UnitHeader Private

Inherits:
CTypes::Union
  • Object
show all
Defined in:
lib/elf_utils/types/dwarf.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

common unit header used within various debug sections

Instance Method Summary collapse

Instance Method Details

#addr_type ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elf_utils/types/dwarf.rb', line 390

def addr_type
  case format
  when :dwarf64
    CTypes::Helpers.uint64.with_endian(@endian)
  when :dwarf32
    CTypes::Helpers.uint32.with_endian(@endian)
  end
end

#format ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elf_utils/types/dwarf.rb', line 361

def format
  case unit_length
  when 0xffffffff
    :dwarf64
  when proc { |v| v < 0xfffffff0 }
    :dwarf32
  else
    raise Error, "unsupported format: 0x%08x" % hdr[:unit_length]
  end
end

#inner ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elf_utils/types/dwarf.rb', line 372

def inner
  # PERF: we're caching this here because the Union type will do a bunch
  # of extra work if we keep accessing the union via different members.
  @inner ||= send(format)
end

#type ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elf_utils/types/dwarf.rb', line 386

def type
  :"#{format}_v#{version}"
end

#unit_size ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elf_utils/types/dwarf.rb', line 382

def unit_size
  inner.unit_length + inner.class.offsetof(:version)
end

#version ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elf_utils/types/dwarf.rb', line 378

def version
  inner.version
end