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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"