1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/deoptimization.hpp"
  27 #include "runtime/frame.inline.hpp"
  28 #include "runtime/stubRoutines.hpp"
  29 #include "runtime/thread.inline.hpp"
  30 
  31 // Implementation of the platform-specific part of StubRoutines - for
  32 // a description of how to extend it, see the stubRoutines.hpp file.
  33 
  34 
  35 extern "C" {
  36   address _flush_reg_windows();   // in .s file.
  37   // Flush registers to stack. In case of error we will need to stack walk.
  38   address bootstrap_flush_windows(void) {
  39     Thread* thread = ThreadLocalStorage::get_thread_slow();
  40     // Very early in process there is no thread.
  41     if (thread != NULL) {
  42       guarantee(thread->is_Java_thread(), "Not a Java thread.");
  43       JavaThread* jt = (JavaThread*)thread;
  44       guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
  45     }
  46     return (address)_flush_reg_windows();
  47   };
  48 };
  49 
  50 address StubRoutines::Sparc::_test_stop_entry = NULL;
  51 address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
  52 address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
  53 
  54 address StubRoutines::Sparc::_partial_subtype_check = NULL;