lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Test program for making nonexecutable stacks executable |
| 2 | on DT_NEEDED load of a DSO that requires executable stacks. */ |
| 3 | |
| 4 | #include <dlfcn.h> |
| 5 | #include <stdio.h> |
| 6 | #include <string.h> |
| 7 | #include <unistd.h> |
| 8 | #include <error.h> |
| 9 | |
| 10 | extern void tryme (void); /* from tst-execstack-mod.so */ |
| 11 | |
| 12 | static void deeper (void (*f) (void)); |
| 13 | |
| 14 | static int |
| 15 | do_test (void) |
| 16 | { |
| 17 | tryme (); |
| 18 | |
| 19 | /* Test that growing the stack region gets new executable pages too. */ |
| 20 | deeper (&tryme); |
| 21 | |
| 22 | return 0; |
| 23 | } |
| 24 | |
| 25 | static void |
| 26 | deeper (void (*f) (void)) |
| 27 | { |
| 28 | char stack[1100 * 1024]; |
| 29 | memfrob (stack, sizeof stack); |
| 30 | (*f) (); |
| 31 | memfrob (stack, sizeof stack); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | #define TEST_FUNCTION do_test () |
| 36 | #include "../test-skeleton.c" |