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-rw-r--r--elf/tst-dlmopen1.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/elf/tst-dlmopen1.c b/elf/tst-dlmopen1.c
new file mode 100644
index 0000000000..9839267d8f
--- /dev/null
+++ b/elf/tst-dlmopen1.c
@@ -0,0 +1,80 @@
+#include <dlfcn.h>
+#include <stdio.h>
+#include <gnu/lib-names.h>
+
+
+static int
+do_test (void)
+{
+  void *h = dlopen (LIBC_SO, RTLD_LAZY|RTLD_NOLOAD);
+  if (h == NULL)
+    {
+      printf ("cannot get handle for %s: %s\n", LIBC_SO, dlerror ());
+      return 1;
+    }
+
+  Lmid_t ns = -10;
+  if (dlinfo (h, RTLD_DI_LMID, &ns) != 0)
+    {
+      printf ("dlinfo for %s in %s failed: %s\n",
+	      LIBC_SO, __func__, dlerror ());
+      return 1;
+    }
+
+  if (ns != LM_ID_BASE)
+    {
+      printf ("namespace for %s not LM_ID_BASE\n", LIBC_SO);
+      return 1;
+    }
+
+  if (dlclose (h) != 0)
+    {
+      printf ("dlclose for %s in %s failed: %s\n",
+	      LIBC_SO, __func__, dlerror ());
+      return 1;
+    }
+
+  h = dlmopen (LM_ID_NEWLM, "$ORIGIN/tst-dlmopen1mod.so", RTLD_LAZY);
+  if (h == NULL)
+    {
+      printf ("cannot get handle for %s: %s\n",
+	      "tst-dlmopen1mod.so", dlerror ());
+      return 1;
+    }
+
+  ns = -10;
+  if (dlinfo (h, RTLD_DI_LMID, &ns) != 0)
+    {
+      printf ("dlinfo for %s in %s failed: %s\n",
+	      "tst-dlmopen1mod.so", __func__, dlerror ());
+      return 1;
+    }
+
+  if (ns == LM_ID_BASE)
+    {
+      printf ("namespace for %s is LM_ID_BASE\n", LIBC_SO);
+      return 1;
+    }
+
+  int (*fct) (Lmid_t) = dlsym (h, "foo");
+  if (fct == NULL)
+    {
+      printf ("could not find %s: %s\n", "foo", dlerror ());
+      return 1;
+    }
+
+  if (fct (ns) != 0)
+    return 1;
+
+  if (dlclose (h) != 0)
+    {
+      printf ("dlclose for %s in %s failed: %s\n",
+	      LIBC_SO, __func__, dlerror ());
+      return 1;
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"