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annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCICompilerFactory.java @ 24125:0c5404418ec2

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Backout getMarkName fix
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 11 Apr 2017 08:59:43 -0700
parents 5cf445d2acf6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package jdk.vm.ci.hotspot;
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24
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25 import jdk.vm.ci.runtime.JVMCICompilerFactory;
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26
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27 /**
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28 * HotSpot extensions to {@link JVMCICompilerFactory}.
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29 */
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30 public abstract class HotSpotJVMCICompilerFactory implements JVMCICompilerFactory {
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31
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32 /**
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33 * Gets 0 or more prefixes identifying classes that should by compiled by C1 in simple mode
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34 * (i.e., {@code CompLevel_simple}) when HotSpot is running with tiered compilation. The
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35 * prefixes should be class or package names using "/" as the separator, e.g. "jdk/vm/ci".
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36 *
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37 * @return 0 or more Strings identifying packages that should by compiled by the first tier only
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38 * or null if no redirection to C1 should be performed.
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39 */
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40 public String[] getTrivialPrefixes() {
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41 return null;
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42 }
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43
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44 public enum CompilationLevelAdjustment {
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45 /**
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46 * No adjustment.
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47 */
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48 None,
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49
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50 /**
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51 * Adjust based on declaring class of method.
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52 */
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53 ByHolder,
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54
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55 /**
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56 * Adjust based on declaring class, name and signature of method.
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57 */
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58 ByFullSignature
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59 }
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60
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61 /**
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62 * Determines if this object may want to adjust the compilation level for a method that is being
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63 * scheduled by the VM for compilation.
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64 */
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65 public CompilationLevelAdjustment getCompilationLevelAdjustment() {
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66 return CompilationLevelAdjustment.None;
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67 }
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68
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69 public enum CompilationLevel {
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70 None,
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71 Simple,
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72 LimitedProfile,
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73 FullProfile,
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74 FullOptimization
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75 }
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76
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77 /**
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78 * Potentially modifies the compilation level currently selected by the VM compilation policy
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79 * for a method.
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80 *
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81 * @param declaringClass the class in which the method is declared
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82 * @param name the name of the method or {@code null} depending on the value that was returned
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83 * by {@link #getCompilationLevelAdjustment()}
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84 * @param signature the signature of the method or {@code null} depending on the value that was
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85 * returned by {@link #getCompilationLevelAdjustment()}
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86 * @param isOsr specifies if the compilation being scheduled in an OSR compilation
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87 * @param level the compilation level currently selected by the VM compilation policy
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88 * @return the compilation level to use for the compilation being scheduled (must be a valid
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89 * {@code CompLevel} enum value)
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90 */
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91 public CompilationLevel adjustCompilationLevel(Class<?> declaringClass, String name, String signature, boolean isOsr, CompilationLevel level) {
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92 throw new InternalError("Should not reach here");
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93 }
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94 }