libdl: Add an archive command

- The archive command lists archives, symbols and any duplicate
  symbols.
- Change the RTL shell commands to the rtems_printer to allow
  the output to be captured.

1 files changed, 141 insertions, 0 deletions

diff --git a/testsuites/libtests/dl10/dl-load.c b/testsuites/libtests/dl10/dl-load.c
new file mode 100644
index 0000000000..dee1d6e9cc
--- /dev/null
+++ b/testsuites/libtests/dl10/dl-load.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2014 Chris Johns <chrisj@rtems.org>.
+ * All rights reserved.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#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_LOAD_SECT | \
+                      RTEMS_RTL_TRACE_ALLOCATOR | \
+                      RTEMS_RTL_TRACE_UNRESOLVED | \
+                      RTEMS_RTL_TRACE_ARCHIVES | \
+                      RTEMS_RTL_TRACE_DEPENDENCY)
+ /* RTEMS_RTL_TRACE_ALL */
+#define DL_DEBUG_TRACE DEBUG_TRACE
+#define DL_DEBUG_CMD   1
+#else
+#define DL_DEBUG_TRACE 0
+#define DL_DEBUG_CMD    0
+#endif
+
+#include <dlfcn.h>
+
+#include "dl-load.h"
+
+#include <tmacros.h>
+
+#include <rtems/rtl/rtl-shell.h>
+#include <rtems/rtl/rtl-trace.h>
+
+typedef int (*call_sig)(void);
+
+static void dl_load_dump (void)
+{
+#if DL_DEBUG_CMD
+  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
+}
+
+static bool dl_check_resolved(void* handle, bool has_unresolved)
+{
+  int unresolved = 0;
+  if (dlinfo (handle, RTLD_DI_UNRESOLVED, &unresolved) == 0)
+    return 1;
+  if (has_unresolved)
+  {
+    if (unresolved == 0)
+    {
+      dl_load_dump();
+      return false;
+    }
+  }
+  else
+  {
+    if (unresolved != 0)
+    {
+      dl_load_dump();
+      return false;
+    }
+  }
+  printf ("handel: %p: no unresolved externals\n", handle);
+  return true;
+}
+
+static void* dl_load_obj(const char* name, bool has_unresolved)
+{
+  void* handle;
+
+  printf("load: %s\n", name);
+
+  handle = dlopen (name, RTLD_NOW | RTLD_GLOBAL);
+  if (!handle)
+  {
+    printf("dlopen failed: %s\n", dlerror());
+    return NULL;
+  }
+
+  dl_check_resolved (handle, has_unresolved);
+
+  printf ("handle: %p loaded\n", handle);
+
+  return handle;
+}
+
+static void dl_close (void* handle)
+{
+  int r;
+  printf ("handle: %p closing\n", handle);
+  r = dlclose (handle);
+  if (r != 0)
+    printf("dlclose failed: %s\n", dlerror());
+  rtems_test_assert (r == 0);
+}
+
+static int dl_call (void* handle, const char* func)
+{
+  call_sig call = dlsym (handle, func);
+  if (call == NULL)
+  {
+    printf("dlsym failed: symbol not found: %s\n", func);
+    return 1;
+  }
+  call ();
+  return 0;
+}
+
+int dl_load_test(void)
+{
+  void* o1;
+
+  printf ("Test source (link in strstr): %s\n", dl_localise_file (__FILE__));
+
+#if DL_DEBUG_TRACE
+  rtems_rtl_trace_set_mask (DL_DEBUG_TRACE);
+#endif
+
+  o1 = dl_load_obj("/dl10-o1.o", false);
+  if (!o1)
+    return 1;
+
+  if (!dl_check_resolved (o1, false))
+    return 1;
+
+  dl_load_dump ();
+
+  return 0;
+}