cppInterpreterGenerator_zero.cpp revision 9934:fd5d53ecf040 
1/*
2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26#include "precompiled.hpp"
27#include "asm/assembler.hpp"
28#include "interpreter/bytecodeHistogram.hpp"
29#include "interpreter/cppInterpreterGenerator.hpp"
30#include "interpreter/interpreterRuntime.hpp"
31#include "oops/method.hpp"
32#include "runtime/arguments.hpp"
33#include "interpreter/cppInterpreter.hpp"
34
35address CppInterpreterGenerator::generate_slow_signature_handler() {
36  _masm->advance(1);
37  return (address) InterpreterRuntime::slow_signature_handler;
38}
39
40address CppInterpreterGenerator::generate_math_entry(
41    AbstractInterpreter::MethodKind kind) {
42  if (!InlineIntrinsics)
43    return NULL;
44
45  Unimplemented();
46  return NULL;
47}
48
49address CppInterpreterGenerator::generate_abstract_entry() {
50  return generate_entry((address) ShouldNotCallThisEntry());
51}
52
53address CppInterpreterGenerator::generate_empty_entry() {
54  if (!UseFastEmptyMethods)
55    return NULL;
56
57  return generate_entry((address) CppInterpreter::empty_entry);
58}
59
60address CppInterpreterGenerator::generate_accessor_entry() {
61  if (!UseFastAccessorMethods)
62    return NULL;
63
64  return generate_entry((address) CppInterpreter::accessor_entry);
65}
66
67address CppInterpreterGenerator::generate_Reference_get_entry(void) {
68#if INCLUDE_ALL_GCS
69  if (UseG1GC) {
70    // We need to generate have a routine that generates code to:
71    //   * load the value in the referent field
72    //   * passes that value to the pre-barrier.
73    //
74    // In the case of G1 this will record the value of the
75    // referent in an SATB buffer if marking is active.
76    // This will cause concurrent marking to mark the referent
77    // field as live.
78    Unimplemented();
79  }
80#endif // INCLUDE_ALL_GCS
81
82  // If G1 is not enabled then attempt to go through the normal entry point
83  // Reference.get could be instrumented by jvmti
84  return NULL;
85}
86
87address CppInterpreterGenerator::generate_native_entry(bool synchronized) {
88  return generate_entry((address) CppInterpreter::native_entry);
89}
90
91address CppInterpreterGenerator::generate_normal_entry(bool synchronized) {
92  return generate_entry((address) CppInterpreter::normal_entry);
93}
94