20 lines
699 B
Factor
20 lines
699 B
Factor
USING: accessors compiler.cfg.instructions compiler.cfg.stack-frame
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cpu.architecture cpu.x86 kernel layouts math namespaces system tools.test ;
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IN: cpu.architecture.tests
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: expected-gc-root-offset ( slot-number spill-area-base -- offset )
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[ spill-slot boa ] [ stack-frame new swap >>spill-area-base ] bi*
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stack-frame [
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gc-root-offset reserved-stack-space cell / -
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] with-variable ;
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cpu x86.64? [
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! The offset is 1, not 0 because the return address occupies the
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! first position in the stack frame.
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{ 1 } [ 0 0 expected-gc-root-offset ] unit-test
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{ 10 } [ 8 64 expected-gc-root-offset ] unit-test
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{ 20 } [ 24 128 expected-gc-root-offset ] unit-test
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] when
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