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-rw-r--r--elf/next.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/elf/next.c b/elf/next.c
new file mode 100644
index 0000000000..a7ca2bdbc2
--- /dev/null
+++ b/elf/next.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+
+
+extern int successful_rtld_next_test (void);
+extern void *failing_rtld_next_use (void);
+
+
+int
+do_test (void)
+{
+ int result;
+ void *addr;
+
+ /* First try call a function which uses RTLD_NEXT and calls that
+ function. */
+ result = successful_rtld_next_test ();
+ if (result == 42)
+ {
+ puts ("RTLD_NEXT seems to work for existing functions");
+ result = 0;
+ }
+ else
+ {
+ printf ("Heh? `successful_rtld_next_test' returned %d\n", result);
+ result = 1;
+ }
+
+ /* Next try a function which tries to get a function with RTLD_NEXT
+ but that fails. This dlsym() call should return a NULL pointer
+ and do nothing else. */
+ addr = failing_rtld_next_use ();
+ if (addr == NULL)
+ puts ("dlsym returned NULL for non-existing function. Good");
+ else
+ {
+ puts ("dlsym found something !?");
+ result = 1;
+ }
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"