jvmciCompiler.hpp revision 11307:c9192107d675 
1/*
2 * Copyright (c) 2011, 2015, 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#ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
25#define SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
26
27#include "compiler/abstractCompiler.hpp"
28#include "jvmci/jvmciEnv.hpp"
29#include "utilities/exceptions.hpp"
30
31class JVMCICompiler : public AbstractCompiler {
32private:
33  bool _bootstrapping;
34
35  /**
36   * True if we have seen a bootstrap compilation request.
37   */
38  volatile bool _bootstrap_compilation_request_handled;
39
40  /**
41   * Number of methods successfully compiled by a call to
42   * JVMCICompiler::compile_method().
43   */
44  volatile int _methods_compiled;
45
46  static JVMCICompiler* _instance;
47
48  static elapsedTimer _codeInstallTimer;
49
50  static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false);
51
52public:
53  JVMCICompiler();
54
55  static JVMCICompiler* instance(TRAPS) {
56    if (!EnableJVMCI) {
57      THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled")
58    }
59    return _instance;
60  }
61
62  virtual const char* name() { return "JVMCI"; }
63
64  virtual bool supports_native()                 { return true; }
65  virtual bool supports_osr   ()                 { return true; }
66
67  bool is_jvmci()                                { return true; }
68  bool is_c1   ()                                { return false; }
69  bool is_c2   ()                                { return false; }
70
71  bool needs_stubs            () { return false; }
72
73  // Initialization
74  virtual void initialize();
75
76  /**
77   * Initialize the compile queue with the methods in java.lang.Object and
78   * then wait until the queue is empty.
79   */
80  void bootstrap(TRAPS);
81
82  bool is_bootstrapping() const { return _bootstrapping; }
83
84  // Compilation entry point for methods
85  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive);
86
87  void compile_method(const methodHandle& target, int entry_bci, JVMCIEnv* env);
88
89  virtual bool is_trivial(Method* method);
90
91  // Print compilation timers and statistics
92  virtual void print_timers();
93
94  /**
95   * Gets the number of methods that have been successfully compiled by
96   * a call to JVMCICompiler::compile_method().
97   */
98  int methods_compiled() { return _methods_compiled; }
99
100  // Print compilation timers and statistics
101  static void print_compilation_timers();
102
103  static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; }
104};
105
106#endif // SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
107