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|
; Indirect CALLP/JMPP control-flow example.
;
; Build/run from examples/:
; ../utils/mcpu-as -o indirect-control.o indirect-control.s
; ../utils/mcpu-ld --stack-size=512 -o indirect-control indirect-control.o
; ../utils/mcpu-run --int-reg=r64@0x00020 indirect-control
;
; Expected output: 42
;
.data
.align 8
dispatch:
.cptr indirect_function
.cptr done
.text
_start_life:
; Load a PROGRAM PTR64 from DATA and call through it.
LEA r64@0x00000, dispatch
LOADP r64@0x00008, r64@0x00000
CALLP r64@0x00008
; Select the second entry and jump through it.
PADDI r64@0x00000, r64@0x00000, 8
LOADP r64@0x00010, r64@0x00000
JMPP r64@0x00010
; JMPP must skip this path.
LDI r64@0x00020, 99
HALT
indirect_function:
LDI r64@0x00020, 42
RET
done:
HALT
|
