ref: 692023ee08786ad834e03f5f271c20ce50feee3a 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