[PATCH] Add dynamic linker support for $EXEC_ORIGIN.

[Paul Pluzhnikov]

On Mon, Dec 9, 2013 at 4:12 PM, Brooks Moses <bmoses@google.com> wrote:

> +/* Iterate over auxv, find AT_EXECFN if any.  */
> +static char *
> +get_at_execfn (ElfW(auxv_t) *auxv)
> +{
> +  assert (auxv != NULL);
> +
> +  for (; auxv->a_type != AT_NULL; ++auxv)
> +    if (auxv->a_type == AT_EXECFN)
> +      return (char *) auxv->a_un.a_val;
> +
> +  return NULL;
> +}

get_at_execfn can be replaced with getauxval (AT_EXECFN)

(getauxval() didn't exist in 2.15, but is there now).


-- 
Paul Pluzhnikov