31 lines
588 B
C
31 lines
588 B
C
|
/* 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) ();
|
||
|
|
}
|