ref: 69e8a814d3e43f4c74059c60fb00ebc81857c8c5
dir: /sys/src/libc/386/main9p.s/
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