Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotMethodDataAccessor.java @ 21744:d62a384b2415
improved formatting of snippet counters
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 05 Jun 2015 11:58:49 +0200 |
parents | f5b549811bac |
children |
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/* * Copyright (c) 2011, 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. */ package com.oracle.jvmci.hotspot; import static com.oracle.jvmci.hotspot.HotSpotJVMCIRuntime.*; import com.oracle.jvmci.meta.*; /** * Interface for accessor objects that encapsulate the logic for accessing the different kinds of * data in a HotSpot methodDataOop. This interface is similar to the interface {@link ProfilingInfo} * , but most methods require a MethodDataObject and the exact position within the methodData. */ public interface HotSpotMethodDataAccessor { /** * {@code DataLayout} tag values. */ enum Tag { No(config().dataLayoutNoTag), BitData(config().dataLayoutBitDataTag), CounterData(config().dataLayoutCounterDataTag), JumpData(config().dataLayoutJumpDataTag), ReceiverTypeData(config().dataLayoutReceiverTypeDataTag), VirtualCallData(config().dataLayoutVirtualCallDataTag), RetData(config().dataLayoutRetDataTag), BranchData(config().dataLayoutBranchDataTag), MultiBranchData(config().dataLayoutMultiBranchDataTag), ArgInfoData(config().dataLayoutArgInfoDataTag), CallTypeData(config().dataLayoutCallTypeDataTag), VirtualCallTypeData(config().dataLayoutVirtualCallTypeDataTag), ParametersTypeData(config().dataLayoutParametersTypeDataTag), SpeculativeTrapData(config().dataLayoutSpeculativeTrapDataTag); private final int value; private Tag(int value) { this.value = value; } public int getValue() { return value; } private static HotSpotVMConfig config() { return runtime().getConfig(); } public static Tag getEnum(int value) { Tag result = values()[value]; assert value == result.value; return result; } } /** * Returns the {@link Tag} stored in the LayoutData header. * * @return tag stored in the LayoutData header */ Tag getTag(); /** * Returns the BCI stored in the LayoutData header. * * @return An integer ≥ 0 and ≤ Short.MAX_VALUE, or -1 if not supported. */ int getBCI(HotSpotMethodData data, int position); /** * Computes the size for the specific data at the given position. * * @return An integer > 0. */ int getSize(HotSpotMethodData data, int position); JavaTypeProfile getTypeProfile(HotSpotMethodData data, int position); JavaMethodProfile getMethodProfile(HotSpotMethodData data, int position); double getBranchTakenProbability(HotSpotMethodData data, int position); double[] getSwitchProbabilities(HotSpotMethodData data, int position); TriState getExceptionSeen(HotSpotMethodData data, int position); TriState getNullSeen(HotSpotMethodData data, int position); int getExecutionCount(HotSpotMethodData data, int position); StringBuilder appendTo(StringBuilder sb, HotSpotMethodData data, int pos); }