| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2016 EfficiOS Inc., Alexandre Montplaisir |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials |
| 5 | * are made available under the terms of the Eclipse Public License v1.0 |
| 6 | * which accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | *******************************************************************************/ |
| 9 | |
| 10 | package org.eclipse.tracecompass.lttng2.ust.core.analysis.debuginfo; |
| 11 | |
| 12 | import static org.eclipse.tracecompass.common.core.NonNullUtils.nullToEmptyString; |
| 13 | |
| 14 | import org.eclipse.jdt.annotation.Nullable; |
| 15 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
| 16 | import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect; |
| 17 | |
| 18 | /** |
| 19 | * Aspect for the function location obtained with the UST debug info. |
| 20 | * |
| 21 | * @author Alexandre Montplaisir |
| 22 | * @since 2.0 |
| 23 | */ |
| 24 | public final class UstDebugInfoFunctionAspect implements ITmfEventAspect<FunctionLocation> { |
| 25 | |
| 26 | /** Singleton instance */ |
| 27 | public static final UstDebugInfoFunctionAspect INSTANCE = new UstDebugInfoFunctionAspect(); |
| 28 | |
| 29 | private UstDebugInfoFunctionAspect() {} |
| 30 | |
| 31 | @Override |
| 32 | public String getName() { |
| 33 | return nullToEmptyString(Messages.UstDebugInfoAnalysis_FunctionAspectName); |
| 34 | } |
| 35 | |
| 36 | @Override |
| 37 | public String getHelpText() { |
| 38 | return nullToEmptyString(Messages.UstDebugInfoAnalysis_FunctionAspectHelpText); |
| 39 | } |
| 40 | |
| 41 | @Override |
| 42 | public @Nullable FunctionLocation resolve(ITmfEvent event) { |
| 43 | SourceCallsite sc = UstDebugInfoSourceAspect.INSTANCE.resolve(event); |
| 44 | if (sc == null) { |
| 45 | return null; |
| 46 | } |
| 47 | |
| 48 | String functionName = sc.getFunctionName(); |
| 49 | if (functionName == null) { |
| 50 | return null; |
| 51 | } |
| 52 | |
| 53 | /* We do not track the offset in the function at this time */ |
| 54 | return new FunctionLocation(functionName, null); |
| 55 | } |
| 56 | |
| 57 | } |