Class: Crabstone::ARM::Operand

Inherits:
FFI::Struct
  • Object
show all
Defined in:
lib/arch/arm.rb

Instance Method Summary collapse

Instance Method Details

#cimm? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 73

def cimm?
  self[:type] == OP_CIMM
end

#fp? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 85

def fp?
  self[:type] == OP_FP
end

#imm? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 69

def imm?
  [OP_IMM, OP_CIMM, OP_PIMM].include? self[:type]
end

#mem? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 81

def mem?
  self[:type] == OP_MEM
end

#pimm? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 77

def pimm?
  self[:type] == OP_PIMM
end

#reg? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 65

def reg?
  [OP_REG, OP_SYSREG].include? self[:type]
end

#sysreg? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 89

def sysreg?
  self[:type] == OP_SYSREG
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arch/arm.rb', line 93

def valid?
  [
    OP_MEM,
    OP_IMM,
    OP_CIMM,
    OP_PIMM,
    OP_FP,
    OP_REG,
    OP_SYSREG,
    OP_SETEND
  ].include? self[:type]
end

#value ⇒ Object 



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# File 'lib/arch/arm.rb', line 48

def value
  case self[:type]
  when *[OP_REG, OP_SYSREG]
    self[:value][:reg]
  when *[OP_IMM, OP_CIMM, OP_PIMM]
    self[:value][:imm]
  when OP_MEM
    self[:value][:mem]
  when OP_FP
    self[:value][:fp]
  when OP_SETEND
    self[:value][:setend]
  else
    nil
  end
end