elf/tst-execstack-prog.c

   1 /* Test program for executable stacks in an executable itself.  */
   2
   3 #include <dlfcn.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include <unistd.h>
   7 #include <error.h>
   8
   9 #include "tst-execstack-mod.c"  /* This defines the `tryme' test function.  */
  10
  11 static void deeper (void (*f) (void));
  12
  13 static int
  14 do_test (void)
  15 {
  16   tryme ();
  17
  18   /* Test that growing the stack region gets new executable pages too.  */
  19   deeper (&tryme);
  20
  21   return 0;
  22 }
  23
  24 static void
  25 deeper (void (*f) (void))
  26 {
  27   char stack[1100 * 1024];
  28   explicit_bzero (stack, sizeof stack);
  29   (*f) ();
  30   memfrob (stack, sizeof stack);
  31 }
  32
  33 #include <support/test-driver.c>