ubuntu-buildroot/output/build/glibc-2.36-81-g4f4d7a13edfd.../elf/tst-execstack-needed.c

35 lines
662 B
C

/* Test program for making nonexecutable stacks executable
on DT_NEEDED load of a DSO that requires executable stacks. */
#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <error.h>
extern void tryme (void); /* from tst-execstack-mod.so */
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>