ref: 78e2f69c0d7e4c17227e1ec0545cbb2a0ae1e96e
dir: /sys/src/libc/power/main9p.s/
TEXT _mainp(SB), 1, $0 SUB $8, R1 MOVW $setSB(SB), R2 MOVW R3, _tos(SB) MOVW $_profmain(SB), R3 MOVW R0, LR MOVW $_callmain(SB), R4 MOVW R4, CTR BR (CTR) TEXT _saveret(SB), 1, $0 TEXT _savearg(SB), 1, $0 RETURN TEXT _callpc(SB), 1, $0 MOVW argp-4(FP), R3 RETURN