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Diffstat (limited to 'libsframe/testsuite/libsframe.unwind/backtrace-fp-attr-2.c')
-rw-r--r--libsframe/testsuite/libsframe.unwind/backtrace-fp-attr-2.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/libsframe/testsuite/libsframe.unwind/backtrace-fp-attr-2.c b/libsframe/testsuite/libsframe.unwind/backtrace-fp-attr-2.c
new file mode 100644
index 0000000..ee62b20
--- /dev/null
+++ b/libsframe/testsuite/libsframe.unwind/backtrace-fp-attr-2.c
@@ -0,0 +1,109 @@
+/* Copyright (C) 2022 Free Software Foundation, Inc.
+
+ This program 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.
+
+ This program 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/>. */
+
+/* This is a revised version of gdb/testsuite/gdb.base/backtrace.c. */
+
+#ifdef __has_attribute
+# if !__has_attribute (noclone)
+# define ATTRIBUTE_NOCLONE
+# endif
+#endif
+#ifndef ATTRIBUTE_NOCLONE
+# define ATTRIBUTE_NOCLONE __attribute__((noclone))
+#endif
+
+#include <execinfo.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "sframe-backtrace-api.h"
+
+#define BT_BUF_SIZE 100
+
+#define BT_EXPECTED_NPTRS 5
+
+/* Expected funclist. */
+static const char *const func_list[] =
+{
+ "show_bt",
+ "baz",
+ "bar",
+ "foo",
+ "main"
+};
+
+void __attribute__((__noinline__,__optimize__("no-omit-frame-pointer"))) ATTRIBUTE_NOCLONE
+show_bt ()
+{
+ void *buffer[BT_BUF_SIZE];
+ int j, nptrs, err;
+ char **strings;
+
+ /* Call the unwinder to get an array of return addresses. */
+ nptrs = sframe_backtrace (buffer, BT_BUF_SIZE, &err);
+ if (err)
+ {
+ printf ("SFrame error: %s (%d)\n", sframe_bt_errmsg (err), nptrs);
+ return;
+ }
+ if (nptrs != BT_EXPECTED_NPTRS)
+ {
+ printf ("Backtace nptrs mismatch: expected = %d, generated = %d \n",
+ BT_EXPECTED_NPTRS, nptrs);
+ return;
+ }
+
+ /* Get these addresses symbolically. */
+ strings = backtrace_symbols (buffer, nptrs);
+ if (strings == NULL) {
+ printf ("Error in backtrace_symbols");
+ return;
+ }
+
+ /* Verify the results. */
+ for (j = 0; j < nptrs; j++)
+ if (!strstr (strings[j], func_list[j]))
+ break;
+
+ free(strings);
+
+ printf ("%s: backtrace with no-omit-frame-pointer attr\n",
+ (j == nptrs) ? "PASS" : "FAIL");
+}
+
+int __attribute__((__noinline__)) ATTRIBUTE_NOCLONE
+baz ()
+{
+ show_bt ();
+ return 0;
+}
+
+int __attribute__((__noinline__)) ATTRIBUTE_NOCLONE
+bar ()
+{
+ return baz ();
+}
+
+int __attribute__((__noinline__)) ATTRIBUTE_NOCLONE
+foo ()
+{
+ return bar ();
+}
+
+int __attribute__((__noinline__)) ATTRIBUTE_NOCLONE
+main ()
+{
+ return foo ();
+}