16 lines
597 B
Ruby
16 lines
597 B
Ruby
module Register
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class ReturnImplementation
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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::MethodReturn
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#load the return address into pc, affecting return. (other cpus have commands for this, but not arm)
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message = RegisterReference.new(:r0)
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pc = RegisterReference.new(:pc)
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move1 = RegisterMachine.instance.ldr( pc ,message , Virtual::Slot::MESSAGE_RETURN_VALUE )
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block.replace(code , [move1] )
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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 ReturnImplementation , CallImplementation
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end
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