--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/sparc/stubRoutines_sparc.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef CPU_SPARC_VM_STUBROUTINES_SPARC_HPP
+#define CPU_SPARC_VM_STUBROUTINES_SPARC_HPP
+
+// This file holds the platform specific parts of the StubRoutines
+// definition. See stubRoutines.hpp for a description on how to
+// extend it.
+
+
+// So unfortunately c2 will call with a pc from a frame object
+// (already adjusted) and a raw pc (unadjusted), so we need to check both.
+// It didn't use to be like this before adapter removal.
+static bool returns_to_call_stub(address return_pc)   {
+  return ((return_pc + frame::pc_return_offset) == _call_stub_return_address) ||
+          (return_pc == _call_stub_return_address );
+}
+
+enum /* platform_dependent_constants */ {
+  // %%%%%%%% May be able to shrink this a lot
+  code_size1 = 20000,           // simply increase if too small (assembler will crash if too small)
+  code_size2 = 27000            // simply increase if too small (assembler will crash if too small)
+};
+
+class Sparc {
+ friend class StubGenerator;
+
+ private:
+  static address _test_stop_entry;
+  static address _stop_subroutine_entry;
+  static address _flush_callers_register_windows_entry;
+
+  static address _partial_subtype_check;
+  // masks and table for CRC32
+  static uint64_t _crc_by128_masks[];
+  static juint    _crc_table[];
+  static juint    _crc32c_table[];
+
+ public:
+  // test assembler stop routine by setting registers
+  static void (*test_stop_entry()) ()                     { return CAST_TO_FN_PTR(void (*)(void), _test_stop_entry); }
+
+  // a subroutine for debugging assembler code
+  static address stop_subroutine_entry_address()          { return (address)&_stop_subroutine_entry; }
+
+  // flushes (all but current) register window
+  static intptr_t* (*flush_callers_register_windows_func())() { return CAST_TO_FN_PTR(intptr_t* (*)(void), _flush_callers_register_windows_entry); }
+
+  static address partial_subtype_check()                  { return _partial_subtype_check; }
+
+  static address crc_by128_masks_addr()  { return (address)_crc_by128_masks; }
+};
+
+#endif // CPU_SPARC_VM_STUBROUTINES_SPARC_HPP