| 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 (f: &tryme); |
| 20 | |
| 21 | return 0; |
| 22 | } |
| 23 | |
| 24 | static void |
| 25 | deeper (void (*f) (void)) |
| 26 | { |
| 27 | char stack[1100 * 1024]; |
| 28 | explicit_bzero (s: stack, n: sizeof stack); |
| 29 | (*f) (); |
| 30 | memfrob (s: stack, n: sizeof stack); |
| 31 | } |
| 32 | |
| 33 | #include <support/test-driver.c> |
| 34 |