ref: 94d2ee527af44610a498d6f6adbba8f0b6d76f17
dir: /sys/src/ape/lib/ap/386/main9p.s/
GLOBL _tos(SB), $4 TEXT _mainp(SB), 1, $0 MOVL AX, _tos(SB) MOVL $_profmain(SB), AX PUSHL AX PUSHL $0 JMPF _callmain(SB) TEXT _saveret(SB), 1, $0 TEXT _savearg(SB), 1, $0 RET TEXT _callpc(SB), 1, $0 MOVL argp+0(FP), AX MOVL 4(AX), AX RET