1 /* 2 * Copyright (c) 2019, Red Hat, Inc. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.tools.jlink.internal.plugins; 27 28 import java.util.Map; 29 30 import jdk.tools.jlink.internal.PluginRepository; 31 import jdk.tools.jlink.internal.ResourcePoolManager; 32 import jdk.tools.jlink.internal.ResourcePoolManager.ResourcePoolImpl; 33 import jdk.tools.jlink.plugin.Plugin; 34 import jdk.tools.jlink.plugin.ResourcePool; 35 import jdk.tools.jlink.plugin.ResourcePoolBuilder; 36 37 /** 38 * Combined debug stripping plugin: Java debug attributes and native debug 39 * symbols. 40 * 41 * @author Severin Gehwolf 42 */ 43 public final class DefaultStripDebugPlugin implements Plugin { 44 45 public static final String NAME = "strip-debug"; 46 private static final String STRIP_NATIVE_DEBUG_PLUGIN = "strip-native-debug-symbols"; 47 private static final String OMIT_DEBUGINFO = "omit-debuginfo"; 48 49 private final Plugin javaStripPlugin; 50 private final NativePluginFactory stripNativePluginFactory; 51 52 public DefaultStripDebugPlugin() { 53 this(new StripJavaDebugAttributesPlugin(), 54 new DefaultNativePluginFactory()); 55 } 56 57 public DefaultStripDebugPlugin(Plugin javaStripPlugin, 58 NativePluginFactory nativeStripPluginFact) { 59 this.javaStripPlugin = javaStripPlugin; 60 this.stripNativePluginFactory = nativeStripPluginFact; 61 } 62 63 @Override 64 public String getName() { 65 return NAME; 66 } 67 68 @Override 69 public String getDescription() { 70 return PluginsResourceBundle.getDescription(NAME); 71 } 72 73 @Override 74 public ResourcePool transform(ResourcePool in, ResourcePoolBuilder out) { 75 Plugin stripNativePlugin = stripNativePluginFactory.create(); 76 if (stripNativePlugin != null) { 77 Map<String, String> stripNativeConfig = Map.<String, String>of( 78 STRIP_NATIVE_DEBUG_PLUGIN, OMIT_DEBUGINFO); 79 stripNativePlugin.configure(stripNativeConfig); 80 ResourcePoolManager outRes = 81 new ResourcePoolManager(in.byteOrder(), 82 ((ResourcePoolImpl)in).getStringTable()); 83 ResourcePool strippedJava = javaStripPlugin.transform(in, 84 outRes.resourcePoolBuilder()); 85 return stripNativePlugin.transform(strippedJava, out); 86 } else { 87 return javaStripPlugin.transform(in, out); 88 } 89 } 90 91 public interface NativePluginFactory { 92 Plugin create(); 93 } 94 95 private static class DefaultNativePluginFactory implements NativePluginFactory { 96 97 @Override 98 public Plugin create() { 99 return PluginRepository.getPlugin(STRIP_NATIVE_DEBUG_PLUGIN, 100 ModuleLayer.boot()); 101 } 102 103 } 104 105 }