.syntax unified
  
  .section .text
  .align 2
  .thumb
  .global setjmp
  setjmp:
    /* Save all the registers into the jump buffer */
    mov ip, sp
    // storing r4-r9, r10=sl, r11=fp, ip=sp, lr
    stmia r0!, { r4-r11, ip, lr}
    // storing floating point registers
    vstmia r0!, {s16-s31}
    // Special storing: fpscr
    vmrs r1, fpscr
    str  r1, [r0, #4]
    /* And then return 0 */
    mov  a1, #0
    bx lr
  .type setjmp, function