19 lines
593 B
Ruby
19 lines
593 B
Ruby
module Arm
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# Arm stores the return address in a register (not on the stack)
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# The register is called link , or lr for short . Maybe because it provides the "link" back to the caller (?)
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# the vm defines a register for the location, so we store it there.
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class SaveImplementation
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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? Register::SaveReturn
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store = ArmMachine.str( :lr , code.register , code.index )
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block.replace(code , store )
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end
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end
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end
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Virtual::BootSpace.space.add_pass "Arm::SaveImplementation"
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end
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