Add a test case for skip with inlined functions

gdb/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2019-12-16  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	* gdb.base/skip-inline.c: New file.
+	* gdb.base/skip-inline.exp: New file.
+
 2019-12-16  Simon Marchi  <simon.marchi@polymtl.ca>
 
 	* gdb.base/jit-reader.exp (jit_reader_test): Rename

gdb/testsuite/gdb.base/skip-inline.c

@@ -0,0 +1,64 @@
+/* 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 <stdlib.h>
+
+int bar (void);
+int baz (int);
+void skip1_test_skip_file_and_function (void);
+void test_skip_file_and_function (void);
+
+__attribute__((__always_inline__)) static inline int
+foo (void)
+{
+  return bar ();
+}
+
+int
+main ()
+{
+  volatile int x;
+
+  /* step immediately into the inlined code */
+  baz (foo ());
+
+  /* step first over non-inline code, this involves a different code path */
+  x = 0; x = baz (foo ());
+
+  test_skip_file_and_function ();
+
+  return 0;
+}
+
+static void
+test_skip (void)
+{
+}
+
+static void
+end_test_skip_file_and_function (void)
+{
+  abort ();
+}
+
+void
+test_skip_file_and_function (void)
+{
+  test_skip ();
+  skip1_test_skip_file_and_function ();
+  end_test_skip_file_and_function ();
+}

gdb/testsuite/gdb.base/skip-inline.exp

@@ -0,0 +1,78 @@
+#   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/>.
+
+standard_testfile
+
+if { [prepare_for_testing "failed to prepare" "skip-inline" \
+			  {skip-inline.c skip1.c } \
+			  {debug nowarnings}] } {
+    return -1
+}
+
+set srcfile skip-inline.c
+set srcfile1 skip1.c
+
+if ![runto_main] {
+    fail "can't run to main"
+    return
+}
+
+# Create a skiplist entry for a specified file and function.
+
+gdb_test "skip function foo" "Function foo will be skipped when stepping\."
+
+gdb_test "bt" "\\s*\\#0\\s+main.*" "in the main"
+gdb_test "step" ".*" "step into baz, since foo will be skipped"
+gdb_test "bt" "\\s*\\#0\\s+baz.*" "in the baz, since foo was skipped"
+gdb_test "step" ".*" "step in the baz"
+gdb_test "bt" "\\s*\\#0\\s+baz.*" "still in the baz"
+gdb_test "step" ".*" "step back to main"
+gdb_test "bt" "\\s*\\#0\\s+main.*" "again in the main"
+gdb_test "step" ".*" "step again into baz, since foo will be skipped"
+gdb_test "bt" "\\s*\\#0\\s+baz.*" "again in the baz"
+gdb_test "step" ".*" "step in the baz, again"
+gdb_test "bt" "\\s*\\#0\\s+baz.*" "still in the baz, again"
+gdb_test "step" ".*" "step back to main, again"
+gdb_test "bt" "\\s*\\#0\\s+main.*" "again back to main"
+
+if ![runto_main] {
+    fail "can't run to main"
+    return
+}
+
+with_test_prefix "double step" {
+    gdb_test "bt" "\\s*\\#0\\s+main.*" "in the main"
+    gdb_test "step 2" ".*" "step into baz, since foo will be skipped"
+    gdb_test "bt" "\\s*\\#0\\s+baz.*" "still in the baz"
+    gdb_test "step" ".*" "step back to main"
+    gdb_test "bt" "\\s*\\#0\\s+main.*" "again in the main"
+    gdb_test "step 2" ".*" "step again into baz, since foo will be skipped"
+    gdb_test "bt" "\\s*\\#0\\s+baz.*" "again in the baz"
+    gdb_test "step" ".*" "step back to main, again"
+    gdb_test "bt" "\\s*\\#0\\s+main.*" "again back to main"
+}
+
+if ![runto_main] {
+    fail "can't run to main"
+    return
+}
+
+with_test_prefix "triple step" {
+    gdb_test "bt" "\\s*\\#0\\s+main.*" "in the main"
+    gdb_test "step 3" ".*" "step over baz"
+    gdb_test "bt" "\\s*\\#0\\s+main.*" "again in the main"
+    gdb_test "step 3" ".*" "step over baz, again"
+    gdb_test "bt" "\\s*\\#0\\s+main.*" "again back to main"
+}