1 files changed, 142 insertions, 0 deletions
diff --git a/testsuites/libtests/dl11/dl-load.c b/testsuites/libtests/dl11/dl-load.c
new file mode 100644
index 0000000000..aee1517269
--- /dev/null
+++ b/testsuites/libtests/dl11/dl-load.c
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2023 On-Line Applications Research Corporation (OAR).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+
+#include <dlfcn.h>
+
+#include "dl-load.h"
+
+#include <rtems/rtl/rtl-shell.h>
+#include <rtems/rtl/rtl-trace.h>
+
+#define TEST_TRACE 0
+#if TEST_TRACE
+ #define DEBUG_TRACE (RTEMS_RTL_TRACE_DETAIL | \
+                      RTEMS_RTL_TRACE_WARNING | \
+                      RTEMS_RTL_TRACE_LOAD | \
+                      RTEMS_RTL_TRACE_UNLOAD | \
+                      RTEMS_RTL_TRACE_SYMBOL | \
+                      RTEMS_RTL_TRACE_RELOC | \
+                      RTEMS_RTL_TRACE_ALLOCATOR | \
+                      RTEMS_RTL_TRACE_UNRESOLVED | \
+                      RTEMS_RTL_TRACE_ARCHIVES | \
+                      RTEMS_RTL_TRACE_DEPENDENCY)
+ #define DL_DEBUG_TRACE DEBUG_TRACE /* RTEMS_RTL_TRACE_ALL */
+ #define DL_RTL_CMDS    1
+#else
+ #define DL_DEBUG_TRACE 0
+ #define DL_RTL_CMDS    0
+#endif
+
+static void dl_load_dump (void)
+{
+#if DL_RTL_CMDS
+  char* list[] = { "rtl", "list", NULL };
+  char* sym[] = { "rtl", "sym", NULL };
+  printf ("RTL List:\n");
+  rtems_rtl_shell_command (2, list);
+  printf ("RTL Sym:\n");
+  rtems_rtl_shell_command (2, sym);
+#endif
+}
+
+typedef int (*int_call_t)(void);
+typedef int* (*ptr_call_t)(void);
+
+int dl_load_test(void)
+{
+  void*  handle;
+  int_call_t int_call;
+  ptr_call_t ptr_call;
+  int    int_call_ret;
+  int*   ptr_call_ret;
+  int    unresolved;
+  char*  message = "loaded";
+
+#if DL_DEBUG_TRACE
+  rtems_rtl_trace_set_mask (DL_DEBUG_TRACE);
+#endif
+
+  printf("load: /dl11-o1.o\n");
+
+  handle = dlopen ("/dl11-o1.o", RTLD_NOW | RTLD_GLOBAL);
+  if (!handle)
+  {
+    printf("dlopen failed: %s\n", dlerror());
+    return 1;
+  }
+
+  if (dlinfo (handle, RTLD_DI_UNRESOLVED, &unresolved) < 0)
+    message = "dlinfo error checking unresolved status";
+  else if (unresolved)
+    message = "has unresolved externals";
+
+  printf ("handle: %p %s\n", handle, message);
+
+  dl_load_dump ();
+
+  ptr_call = dlsym (handle, "get_errno_ptr");
+  if (ptr_call == NULL)
+  {
+    printf("dlsym failed: symbol get_errno_ptr not found\n");
+    return 1;
+  }
+
+  int_call = dlsym (handle, "get_errno_val");
+  if (int_call == NULL)
+  {
+    printf("dlsym failed: symbol get_errno_val not found\n");
+    return 1;
+  }
+
+  ptr_call_ret = ptr_call ();
+  if (ptr_call_ret != &errno)
+  {
+    printf("dlsym ptr_call failed: ret value bad\n");
+    return 1;
+  }
+
+  errno = 12345;
+  int_call_ret = int_call ();
+  if (int_call_ret != 12345)
+  {
+    printf("dlsym int_call failed: ret value bad\n");
+    return 1;
+  }
+
+  if (dlclose (handle) < 0)
+  {
+    printf("dlclose failed: %s\n", dlerror());
+    return 1;
+  }
+
+  printf ("handle: %p closed\n", handle);
+
+  return 0;
+}