Question
Write a one paragraph explanation that shows how the assembly code below performs the same tasks (print, scan, etc.) performed by C (Identify the skeleton
Write a one paragraph explanation that shows how the assembly code below performs the same tasks (print, scan, etc.) performed by C (Identify the skeleton and the actual code that does the work.)
Assembly Code:
.text .globl main .type main, @function main: .LFB2: .cfi_startproc pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset 6, -16 movq %rsp, %rbp .cfi_def_cfa_register 6 subq $16, %rsp movl $1, -4(%rbp) movl $.LC0, %edi call puts leaq -12(%rbp), %rax movq %rax, %rsi movl $.LC1, %edi movl $0, %eax call __isoc99_scanf movl -12(%rbp), %eax movl %eax, -8(%rbp) jmp .L2 .L3: movl -4(%rbp), %eax imull -8(%rbp), %eax movl %eax, -4(%rbp) subl $1, -8(%rbp) .L2: cmpl $0, -8(%rbp) jg .L3 movl -12(%rbp), %eax movl -4(%rbp), %edx movl %eax, %esi movl $.LC2, %edi movl $0, %eax call printf movl $1, %eax leave .cfi_def_cfa 7, 8 ret .cfi_endproc .LFE2: .size main, .-main .ident "GCC: (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4" .section .note.GNU-stack,"",@progbits
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