1 files changed, 106 insertions, 0 deletions
diff --git a/src/tests/funcretval.c b/src/tests/funcretval.c
new file mode 100644
index 00000000..8d19d117
--- /dev/null
+++ b/src/tests/funcretval.c
@@ -0,0 +1,106 @@
+/* Test program for dwfl_module_return_value_location.
+   Copyright (C) 2005 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+#include <assert.h>
+#include <inttypes.h>
+#include ELFUTILS_HEADER(dwfl)
+#include <dwarf.h>
+#include <argp.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <error.h>
+#include <string.h>
+#include <fnmatch.h>
+
+
+struct args
+{
+  Dwfl *dwfl;
+  Dwarf_Die *cu;
+  Dwarf_Addr dwbias;
+  char **argv;
+};
+
+static int
+handle_function (Dwarf_Die *funcdie, void *arg)
+{
+  struct args *a = arg;
+
+  const char *name = dwarf_diename (funcdie);
+  char **argv = a->argv;
+  if (argv[0] != NULL)
+    {
+      bool match;
+      do
+	match = fnmatch (*argv, name, 0) == 0;
+      while (!match && *++argv);
+      if (!match)
+	return 0;
+    }
+
+  printf ("(%s) %s: ", dwfl_module_info (dwfl_cumodule (a->cu), NULL,
+					 NULL, NULL,
+					 NULL, NULL,
+					 NULL, NULL), name);
+
+  const Dwarf_Op *locops;
+  int nlocops = dwfl_module_return_value_location (dwfl_cumodule (a->cu),
+						   funcdie, &locops);
+  if (nlocops < 0)
+    error (EXIT_FAILURE, 0, "dwfl_module_return_value_location: %s",
+	   dwfl_errmsg (-1));
+  else if (nlocops == 0)
+    puts ("returns no value");
+  else
+    {
+      printf ("return value location:");
+      for (int i = 0; i < nlocops; ++i)
+	printf (" {%#x, %#" PRIx64 "}", locops[i].atom, locops[i].number);
+      puts ("");
+    }
+
+  return 0;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int remaining;
+
+  /* Set locale.  */
+  (void) setlocale (LC_ALL, "");
+
+  struct args a = { .dwfl = NULL, .cu = NULL };
+
+  (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining,
+		     &a.dwfl);
+  assert (a.dwfl != NULL);
+  a.argv = &argv[remaining];
+
+  int result = 0;
+
+  while ((a.cu = dwfl_nextcu (a.dwfl, a.cu, &a.dwbias)) != NULL)
+    dwarf_getfuncs (a.cu, &handle_function, &a, 0);
+
+  dwfl_end (a.dwfl);
+
+  return result;
+}