2 files changed, 100 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.c b/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.c
new file mode 100644
index 0000000..3ac8e6e
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.c
@@ -0,0 +1,50 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2019 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 <stdio.h>
+extern void func ();
+void
+__acle_se_func ()
+{
+  printf ("__acle_se_func\n");
+}
+
+/* The following code is written using asm so that the instructions in function
+ * "func" will be placed in .gnu.sgstubs section of the executable.  */
+asm ("\t.section .gnu.sgstubs,\"ax\",%progbits\n"
+     "\t.global func\n"
+     "\t.type func, %function\n"
+     "func:\n"
+     "\tnop @sg\n"
+     "\tb __acle_se_func @b.w");
+
+void
+fun1 ()
+{
+  printf ("In fun1\n");
+}
+
+int
+main (void)
+{
+  func ();
+  fun1 ();
+  __acle_se_func ();
+  func ();
+
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.exp b/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.exp
new file mode 100644
index 0000000..42a265c
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/arm-cmse-sgstubs.exp
@@ -0,0 +1,50 @@
+# Copyright 2019 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 file is part of the gdb testsuite.
+
+if { ![istarget "arm*-*-*"]} {
+     return 1
+}
+
+standard_testfile
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile ]} {
+    return -1
+}
+
+if ![runto_main] {
+   untested "could not run to main"
+   return -1
+}
+
+gdb_test "si" "0x.*" "branch to func from main"
+
+gdb_test "ni" "0x.*" "next instruction in func"
+
+gdb_test "ni" "__acle_se_func ().*" "branch to __acle_se_func from func"
+
+gdb_test "next" "23	  .*" "next in __acle_se_func function"
+
+gdb_test "next" "__acle_se_func.*" "next in __acle_se_func function outputs __acle_se_func"
+
+gdb_test "next" "main ().*" "next in __acle_se_func function controls returns to main"
+
+gdb_test "next" "In fun1.*" "next in main outputs In fun1"
+
+gdb_test "next" "__acle_se_func.*" "next in main outputs __acle_se_func"
+
+gdb_test "step" "__acle_se_func ().*" "control jumps to __acle_se_func from main via func"
+
+gdb_test "next" "__acle_se_func.*" "next in __acle_se_func function via func"