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Commit | Line | Data |
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2abf9ff1 RM |
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]; | |
2c6cabb3 | 29 | explicit_bzero (stack, sizeof stack); |
2abf9ff1 RM |
30 | (*f) (); |
31 | memfrob (stack, sizeof stack); | |
32 | } | |
33 | ||
36fe25fd | 34 | #include <support/test-driver.c> |