What is the function of each of these lines? Also what does the %, parentheses, pushl, movl 12%(epb), ret do for the code?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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swap:

pushl %ebp

movl %esp,%ebp

pushl %ebx

movl 12(%ebp),%ecx

movl 8(%ebp),%edx

movl (%ecx),%eax

movl (%edx),%ebx

movl %eax,(%edx)

movl %ebx,(%ecx)

movl -4(%ebp),%ebx

movl %ebp,%esp

popl %ebp

ret

 

What is the function of each of these lines? Also what does the %, parentheses, pushl, movl 12%(epb), ret do for the code?

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