ref: f0f2d452c873255dec4b3359b3f93e349be0f2c5
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