Class: KeystoneEngine::Ks

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

Instance Method Summary collapse

Constructor Details

#initialize(arch, mode) ⇒ Ks

Returns a new instance of Ks.



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# File 'lib/keystone_engine.rb', line 50

def initialize(arch, mode)
    _ks = KsEnginePtr.new
    err = KeystoneEngine::ks_open(arch, mode, _ks)
    if err != KS_ERR_OK
        raise KsError, KeystoneEngine::ks_strerror(err).read_string
    end
    @ks = _ks[:value]

    ObjectSpace.define_finalizer(self, proc{ KeystoneEngine::ks_close(ks) })
end

Instance Method Details

#asm(instructions, address = 0) ⇒ Object 



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# File 'lib/keystone_engine.rb', line 61

def asm(instructions, address=0)
    inst = FFI::MemoryPointer.from_string(instructions)
    bytes = StringPtr.new
    size = IntPtr.new 
    count = IntPtr.new
    err = KeystoneEngine::ks_asm(ks, inst, address, bytes, size, count)

    if err != KS_ERR_OK
        raise KsError, KeystoneEngine::ks_strerror(err).read_string
    end

    return [bytes[:value].read_string(size[:value]), count[:value]]
end