Add two file test.

gold/testsuite/two_file_test_2.cc

@@ -0,0 +1,94 @@
+// two_file_test_2.cc -- a two file test case for gold, file 2 of 2
+
+// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// 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, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+// This tests references between files.  This is file 2, and
+// two_file_test_1.cc is file 1.  See file 1 for details.
+
+#include "two_file_test.h"
+
+// 1  Code in file 1 calls code in file 2.
+
+int
+t1_2()
+{
+  return 123;
+}
+
+// 2  Code in file 1 refers to global data in file 2.
+
+int v2 = 456;
+
+// 3 Code in file 1 referes to common symbol in file 2.  This is
+// initialized at runtime to 789.
+
+int v3;
+
+// 4  Code in file 1 refers to offset within global data in file 2.
+
+char v4[] = "Hello, world";
+
+// 5 Code in file 1 refers to offset within common symbol in file 2.
+// This is initialized at runtime to a copy of v4.
+
+char v5[13];
+
+// 6  Data in file 1 refers to global data in file 2.  This reuses v2.
+
+// 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
+
+// 8 Data in file 1 refers to offset within global data in file 2.
+// This reuses v4.
+
+// 9 Data in file 1 refers to offset within common symbol in file 2.
+// This reuses v5.
+
+// 10 Data in file 1 refers to function in file 2.
+
+int
+f10()
+{
+  return 135;
+}
+
+// 11 Pass function pointer from file 1 to file 2.
+
+int
+f11b(int (*pfn)())
+{
+  return (*pfn)();
+}
+
+// 12 Compare address of function for equality in both files.
+
+bool
+(*f12())()
+{
+  return &t12;
+}
+
+// 13 Compare address of inline function for equality in both files.
+
+void
+(*f13())()
+{
+  return &f13i;
+}