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assemblyx86stacknasmstack-memory

nasm Intel: Access items in the stack without using pop

Suppose I want to see the top two elements in the stack without using POP.

How can I access it - I am trying:

mov ebp, esp
mov eax, [ebp]
mov ebx, [ebp-4]
Solution

  • PUSH pre-decrements the stack pointer, and POP post-increments it. So to peek at the top two DWORDS:

    mov eax, [esp]    ; Top of stack
mov ebx, [esp+4]  ; Second element on the stack