19 lines
670 B
Ruby
19 lines
670 B
Ruby
module Register
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class EnterImplementation
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def run block
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block.codes.dup.each do |code|
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next unless code.is_a? Virtual::MethodEnter
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# save return register and create a new frame
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to = RegisterReference.new(:r0) # message base
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tmp = RegisterReference.new(:r5) # tmp
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pc = RegisterReference.new(:pc)
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move1 = RegisterMachine.instance.ldr( tmp , pc )
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move2 = RegisterMachine.instance.ldr( tmp , to , 3 ) #TODO 3 == return reg, needs constant / layout
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block.replace(code , [move1,move2] )
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end
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end
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end
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Virtual::BootSpace.space.add_pass_after EnterImplementation , CallImplementation
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end
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