NEED HELP............

Stack Trace .global start start: sp. #8x 1000 we, #2 rsum #999 // initialize mov mov bl SVC sp rsum: sub str str // A: record state of the stack cbz sp, sp. #16 // reserve space for x30 and x19 x30, [sp] x19, [sp. #8] // save temp register // save link register mov sub bl add // WB is n, return if w == // copy n to w19 // recursive call rsum // add result an copy of n ldr Ldr add ret x19, [sp. #8] // restore x19 x30, [sp] // restore link register //release stack storaqe sp, sp. #16 In the above code, rsum, will be called three times before the recursion finishes. Trace the execution of the above program and state the contents of the stack for the requested conditions. If w0 = 2, what is the contents of the stack at point A? If w0 = 1, what is the contents of the stack at point A? If w0 - 0, what is the contents of the stack at point A:?