prologue 

    
        str  fp, [sp, #-16]
        str  sp, [sp, #-12]
        str  lr, [sp, #-8]
        str  pc, [sp, #-4]     adresse empilee est suite
        sub  fp, sp, #4
        sub  sp, sp, #16
    
suite:    ... 


        epilogue

        ldr  sp, [fp, #-8]
        ldr  lr, [fp, #-4]
        ldr  fp, [fp, #-12]
        mov pc, lr