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

API:

  • private

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.

API:

  • private



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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.

API:

  • private



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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.

API:

  • private



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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.

API:

  • private



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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.

API:

  • private



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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.

API:

  • private



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

def version
  inner.version
end