* gdb.base/longjmp.c, gdb.base/longjmp.exp: New files.

1 files changed, 81 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/longjmp.c b/gdb/testsuite/gdb.base/longjmp.c
new file mode 100644
index 0000000..4d69d6d
--- /dev/null
+++ b/gdb/testsuite/gdb.base/longjmp.c
@@ -0,0 +1,81 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2008 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/>.
+*/
+
+#include <setjmp.h>
+
+jmp_buf env;
+
+volatile int longjmps = 0;
+volatile int resumes = 0;
+
+int
+call_longjmp (jmp_buf *buf)
+{
+  longjmps++;
+  longjmp (*buf, 1);
+}
+
+void
+hidden_longjmp (void)
+{
+  if (setjmp (env) == 0) /* longjmp caught */
+    {
+      call_longjmp (&env);
+    }
+  else
+    resumes++;
+}
+
+int
+main ()
+{
+  volatile int i = 0;
+
+  /* Pattern 1 - simple longjmp.  */
+  if (setjmp (env) == 0) /* patt1 */
+    {
+      longjmps++;
+      longjmp (env, 1);
+    }
+  else
+    {
+      resumes++;
+    }
+
+  i = 1; /* miss_step_1 */
+
+
+  /* Pattern 2 - longjmp from an inner function.  */
+  if (setjmp (env) == 0) /* patt2 */
+    {
+      call_longjmp (&env);
+    }
+  else
+    {
+      resumes++;
+    }
+
+  i = 2; /* miss_step_2 */
+
+  /* Pattern 3 - setjmp/longjmp inside stepped-over function.  */
+  hidden_longjmp (); /* patt3 */
+
+  i = 3; /* patt_end3.  */
+
+  return 0;
+}