ref: 217f6fbcf1d46587ef52cda0817832bc3c16eb7f dir: /sys/src/libc/386/main9.s/
TEXT _main(SB), 1, $0 MOVL AX, _tos(SB) MOVL $main(SB), AX PUSHL AX PUSHL $0 JMPF _callmain(SB)