ref: 0babc3b7a747cce9d20e4b74a2408e9cfd9be44b
dir: /sys/src/libc/arm/main9.s/
arg=0 sp=13 sb=12 lr=14 TEXT _main(SB), 1, $0 SUB $8, R(sp) MOVW $setR12(SB), R(sb) MOVW R(arg), _tos(SB) MOVW $main(SB), R(arg) MOVW $0, R(lr) B _callmain(SB) BL _div(SB) /* force loading of div */