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authorRoland McGrath <roland@gnu.org>2003-09-24 01:56:08 +0000
committerRoland McGrath <roland@gnu.org>2003-09-24 01:56:08 +0000
commitc70ba48888000f00556aa91348c9c5a33a508b49 (patch)
treeeb0d2bf8d0d96ff29d929d6ba2efe397262c8109 /elf/tst-execstack-prog.c
parent217ed70e1381922db0d0d7fa41e4938114848251 (diff)
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* elf/rtld.c (dl_main): In rtld_is_main case, reinitialize
	GL(dl_stack_flags) according to rtld's own PT_GNU_STACK.
	Move GL(dl_make_stack_executable_hook) initialization up.
	* elf/tst-execstack-prog.c: New file.
	* elf/Makefile (tests-execstack-yes): Add it.
	(LDFLAGS-tst-execstack-prog): New variable.
Diffstat (limited to 'elf/tst-execstack-prog.c')
-rw-r--r--elf/tst-execstack-prog.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/elf/tst-execstack-prog.c b/elf/tst-execstack-prog.c
new file mode 100644
index 0000000000..5a66d63ca9
--- /dev/null
+++ b/elf/tst-execstack-prog.c
@@ -0,0 +1,35 @@
+/* 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];
+  memfrob (stack, sizeof stack);
+  (*f) ();
+  memfrob (stack, sizeof stack);
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"