ref: f16547d604a8fd723f81dc145b4f42532a7fbdc5 dir: /sys/src/libc/386/main9.s/
TEXT _main(SB), 1, $0 MOVL AX, _tos(SB) MOVL $main(SB), AX PUSHL AX PUSHL $0 MOVL $_callmain(SB), AX JMP* AX