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Re: Breakpoint on first instruction in program


From: Iurie
Subject: Re: Breakpoint on first instruction in program
Date: Wed, 20 Jun 2012 22:28:43 +0100

that is the gdb command?

On 20 June 2012 21:39, Adam Beneschan <address@hidden> wrote:

> I am using the following assembly language program (doNothingProg.s) for
> instruction purposes:
>
>          .text
>          .globl  main
>          .type   main, @function
> main:
>          pushq   %rbp        # save caller's frame pointer
>          movq    %rsp, %rbp  # establish our frame pointer
>          movl    $0, %eax    # return 0 to caller
>          movq    %rbp, %rsp  # restore stack pointer
>          popq    %rbp        # restore caller's frame pointer
>          ret                 # back to caller
>
> I want to set a breakpoint at the first instruction (pushq %rbp) so
> students can see how the stack frame is created.

break *&main

                               -- Adam




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