Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/tests/funcretval.c b/tests/funcretval.c
new file mode 100644
index 0000000..8d19d11
--- /dev/null
+++ b/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;
+}