factor/basis/cpu/architecture/architecture-tests.factor

25 lines
833 B
Factor

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