ref: ec7a543450ad5c0ed2eeb32f45a1e57a36c47ac7 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)