[arm][linux] Assembly main on ARM linux eabi

hello.s

@ Assembly main on ARM linux eabi
@ [build and run on ubuntu x64]
@   arm-linux-gnueabi-gcc hello.s -o hello
@   qemu-arm -L /usr/arm-linux-gnueabi/ hello
        stdout = 1
        .text
        .align  2
        .global main
main:
        push    {r4-r11, lr}

        @ char * str = msg
        movw    r11,    #:lower16:msg
        movt    r11,    #:upper16:msg

        @ int len = strlen(str)
        mov     r0,     r11
        bl      strlen

        @ int tmp = write(stdout, str, len)
        mov     r2,     r0
        mov     r1,     r11
        mov     r0,     #stdout
        bl      write

        @ return 0
        mov     r0,     #0
        pop     {r4-r11, pc}


        .section .rodata
        .align  2
msg:
        .asciz  "Hello World\n"