Intel汇编-CALL调用

# An example of using the CALL instruction
        .section .data
output:
        .asciz "This is section %d\n"

        .section .text
        .globl main
main:
        push $1
        push $output
        call printf
        add $8, %esp
        call overhere
        push $3
        push $output
        call printf
        add $8, %esp
        push $0
        call exit

overhere:
        push %ebp
        movl %esp, %ebp
        push $2
        push $output
        call printf
        add $8, %esp
        movl %ebp, %esp
        pop %ebp
        ret
       

# gdb 看内存或寄存器变化