have to translate the labels
and use binary as function call target (because we don’t have the translated label)
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@ -60,24 +60,25 @@ module Arm
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args
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end
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def translate_ByteToReg code
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def translate_ByteToReg( code )
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ArmMachine.ldrb( *byte_args_for(code) )
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end
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def translate_RegToByte code
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def translate_RegToByte( code )
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ArmMachine.strb( *byte_args_for(code) )
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end
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def translate_FunctionCall code
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ArmMachine.b( code.method.risc_instructions )
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def translate_FunctionCall( code )
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ArmMachine.b( code.method.binary )
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end
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def translate_FunctionReturn code
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ArmMachine.mov( :pc , code.register)
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end
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def translate_LoadConstant code
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def translate_LoadConstant( code )
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constant = code.constant
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constant = constant.to_cpu(self) if constant.is_a?(Risc::Label)
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if constant.is_a?(Parfait::Object) or constant.is_a?(Symbol) or constant.is_a?(Risc::Label)
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return ArmMachine.add( code.register , constant )
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else
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@ -113,40 +114,40 @@ module Arm
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#
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# The only target for a call is a Block, so we just need to get the address for the code
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# and branch to it.
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def translate_Branch code
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ArmMachine.b( code.label )
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def translate_Branch( code )
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ArmMachine.b( code.label.to_cpu(self) )
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end
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def translate_IsPlus code
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ArmMachine.bpl( code.label)
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def translate_IsPlus( code )
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ArmMachine.bpl( code.label.to_cpu(self) )
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end
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def translate_IsMinus code
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ArmMachine.bmi( code.label)
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def translate_IsMinus( code )
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ArmMachine.bmi( code.label.to_cpu(self) )
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end
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def translate_IsZero code
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ArmMachine.beq( code.label)
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def translate_IsZero( code )
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ArmMachine.beq( code.label.to_cpu(self) )
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end
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def translate_IsOverflow code
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ArmMachine.bvs( code.label)
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def translate_IsOverflow( code )
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ArmMachine.bvs( code.label.to_cpu(self))
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end
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def translate_Syscall code
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def translate_Syscall( code )
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call_codes = { :putstring => 4 , :exit => 1 }
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int_code = call_codes[code.name]
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raise "Not implemented syscall, #{code.name}" unless int_code
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send( code.name , int_code )
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end
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def putstring int_code
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def putstring( int_code )
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codes = ArmMachine.add( :r1 , :r1 , 12 ) # adjust for object header
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codes.append ArmMachine.mov( :r0 , 1 ) # write to stdout == 1
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syscall(int_code , codes )
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end
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def exit int_code
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def exit( int_code )
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codes = ArmMachine.ldr( :r0 , :r0 , arm_index(Risc.resolve_to_index(:Message , :return_value)) )
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syscall int_code , codes
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end
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@ -22,8 +22,9 @@ module Risc
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assert Positioned.position(obj)
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end
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end
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def test_binary
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@machine.create_binary
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# @machine.create_binary
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end
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end
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end
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@ -29,9 +29,7 @@ module Risc
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all << ins
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end
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end
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def test_no_risc
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@machine.translate_arm
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@machine.position_all
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@machine.objects.each do |id , method|
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next unless method.is_a? Parfait::TypedMethod
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@ -46,5 +44,6 @@ module Risc
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end
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end
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end
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end
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end
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