[thirdparty/glibc.git] / elf / tst-execstack-prog.c

/* Test program for executable stacks in an executable itself.  */

#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <error.h>

#include "tst-execstack-mod.c"	/* This defines the `tryme' test function.  */

static void deeper (void (*f) (void));

static int
do_test (void)
{
  tryme ();

  /* Test that growing the stack region gets new executable pages too.  */
  deeper (&tryme);

  return 0;
}

static void
deeper (void (*f) (void))
{
  char stack[1100 * 1024];
  explicit_bzero (stack, sizeof stack);
  (*f) ();
  memfrob (stack, sizeof stack);
}

#include <support/test-driver.c>
Commit	Line	Data
c70ba488 RM	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];
2c6cabb3	28	explicit_bzero (stack, sizeof stack);
c70ba488 RM	29	(*f) ();
	30	memfrob (stack, sizeof stack);
	31	}
	32
36fe25fd	33	#include <support/test-driver.c>