Re: Let me know EIP address

[Paulo Marques]

linux-os wrote:
> On Tue, 4 Jan 2005, Lethalman wrote:
>
> > I'm trying to get the EIP value from a simple program in C but i don't 
> > how to do it. I need it to know the current address position on the 
> > code segment.
> >
> > main() {
> >  long *eip;
> >  asm("mov %%eip,%0" : "=g"(eip));
> >  printf("%p\n", eip);
> > }
> >
> > Unfortunately EIP is not that kind of register :P
> > Does anyone know how to get EIP?
>
> You get the offset of a label, i.e., "foo:\t movl $foo,%0\n" in the asm 
> code.

Or use a gcc extension, so that you don't have to write assembly code:

int main(int argc, char *argv[])
{
  address:
    printf("this is my address %p\n", &&address);
  return 0;
}

--
Paulo Marques - www.grupopie.com

"A journey of a thousand miles begins with a single step."
Lao-tzu, The Way of Lao-tzu

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