.section .data.output:     .ascii "%s\n\000".str:    .ascii "hello world\0".section .texthelloworld_helloworld_void:    mov ip, sp      stmfd sp!, {fp,ip,lr,pc}      sub fp, ip, #4     sub sp, sp, #4        @init    str r1,[fp,#-16]    ldr r0,[fp,#-16]        @str="hello world"    ldr r0,[r0,#0]    ldr r0,=.str        ldmea fp, {fp,sp,pc}      .global mainmain:     mov ip, sp      stmfd sp!, {fp,ip,lr,pc}      sub fp, ip, #4     sub sp, sp, #80        @create obj    ldr r0,=-16    sub r1,fp,r0    bl  helloworld_helloworld_void        @call str    str r0,[fp,#-20]    ldr r0,=.output    ldr r1,[fp,#-20]    bl  printf        ldmea fp, {fp,sp,pc}