/* Test module for making nonexecutable stacks executable

   on load of a DSO that requires executable stacks.  */

#include <stdbool.h>

#include <stdio.h>

#include <stdlib.h>

void callme (void (*callback) (void));

/* This is a function that makes use of executable stack by

   using a local function trampoline.  */

void

tryme (void)

{

  bool ok = false;

  void callback (void) { ok = true; }

  callme (&callback);

  if (ok)

    printf ("DSO called ok (local %p, trampoline %p)\n", &ok, &callback);

  else

    abort ();

}

void

callme (void (*callback) (void))

{

  (*callback) ();

}