Module: Elf::Writer

Defined in:
lib/mithril/writer.rb

Defined Under Namespace

Classes: Layout, OutputSection, StringTable, Writer

Constant Summary collapse

PAGESIZE =

KLUDGE: largest pagesize , align everything to

1 << 12
UINT64_MOD = 
2**64

Class Method Summary collapse

Class Method Details

.elf_hash(value) ⇒ Object 



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# File 'lib/mithril/writer.rb', line 7

def self.elf_hash(value)      
  h=0 
  g=0
  value.chars.map(&:ord).each {|char|
    h = ((h << 4) + (char % 256) )
    g = h & 0xf0000000
    if g!=0
      h = h ^ (g>> 24) # This simulates overflow; elf spec is clever
    end
    h &= ~g
  }
  h
end

.gnu_hash(value) ⇒ Object 



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# File 'lib/mithril/writer.rb', line 20

def self.gnu_hash(value)
  h = 5381
  value.chars.map(&:ord).each {|char|
    h = (h*33 + char) & 0xffffffff
  }
  pp "Gnu_hash #{value} #{h}"
  h
end

.to_file(filename, elf) ⇒ Object 



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# File 'lib/mithril/writer.rb', line 4

def self.to_file(filename,elf)
  Elf::Writer::Writer.to_file(filename,elf)
end