1 files changed, 54 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/step-bg-decr-pc-switch-thread.c b/gdb/testsuite/gdb.threads/step-bg-decr-pc-switch-thread.c
new file mode 100644
index 0000000..92641f6
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/step-bg-decr-pc-switch-thread.c
@@ -0,0 +1,54 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2015 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 <unistd.h>
+#include <pthread.h>
+#include <assert.h>
+
+/* NOP instruction: must have the same size as the breakpoint
+   instruction for the test to be effective.  */
+
+#if defined (__s390__) || defined (__s390x__)
+# define NOP asm ("nopr 0")
+#else
+# define NOP asm ("nop")
+#endif
+
+void *
+thread_function (void *arg)
+{
+  NOP; /* set breakpoint here */
+  while (1);
+}
+
+int
+main (void)
+{
+  int res;
+  pthread_t thread;
+
+  alarm (300);
+
+  res = pthread_create (&thread,
+		       NULL,
+		       thread_function,
+		       NULL);
+  assert (res == 0);
+
+  pthread_join (thread, NULL);
+  return 0;
+}