/* * Copyright 2013, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.jf.dexlib2.dexbacked.raw; import com.google.common.base.Joiner; import org.jf.dexlib2.AccessFlags; import org.jf.dexlib2.dexbacked.DexReader; import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator; import org.jf.dexlib2.util.AnnotatedBytes; import javax.annotation.Nonnull; import javax.annotation.Nullable; public class ClassDataItem { @Nonnull public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) { return new SectionAnnotator(annotator, mapItem) { private SectionAnnotator codeItemAnnotator = null; @Override public void annotateSection(@Nonnull AnnotatedBytes out) { codeItemAnnotator = annotator.getAnnotator(ItemType.CODE_ITEM); super.annotateSection(out); } @Nonnull @Override public String getItemName() { return "class_data_item"; } @Override protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) { DexReader reader = dexFile.readerAt(out.getCursor()); int staticFieldsSize = reader.readSmallUleb128(); out.annotateTo(reader.getOffset(), "static_fields_size = %d", staticFieldsSize); int instanceFieldsSize = reader.readSmallUleb128(); out.annotateTo(reader.getOffset(), "instance_fields_size = %d", instanceFieldsSize); int directMethodsSize = reader.readSmallUleb128(); out.annotateTo(reader.getOffset(), "direct_methods_size = %d", directMethodsSize); int virtualMethodsSize = reader.readSmallUleb128(); out.annotateTo(reader.getOffset(), "virtual_methods_size = %d", virtualMethodsSize); int previousIndex = 0; if (staticFieldsSize > 0) { out.annotate(0, "static_fields:"); out.indent(); for (int i=0; i<staticFieldsSize; i++) { out.annotate(0, "static_field[%d]", i); out.indent(); previousIndex = annotateEncodedField(out, dexFile, reader, previousIndex); out.deindent(); } out.deindent(); } if (instanceFieldsSize > 0) { out.annotate(0, "instance_fields:"); out.indent(); previousIndex = 0; for (int i=0; i<instanceFieldsSize; i++) { out.annotate(0, "instance_field[%d]", i); out.indent(); previousIndex = annotateEncodedField(out, dexFile, reader, previousIndex); out.deindent(); } out.deindent(); } if (directMethodsSize > 0) { out.annotate(0, "direct_methods:"); out.indent(); previousIndex = 0; for (int i=0; i<directMethodsSize; i++) { out.annotate(0, "direct_method[%d]", i); out.indent(); previousIndex = annotateEncodedMethod(out, dexFile, reader, previousIndex); out.deindent(); } out.deindent(); } if (virtualMethodsSize > 0) { out.annotate(0, "virtual_methods:"); out.indent(); previousIndex = 0; for (int i=0; i<virtualMethodsSize; i++) { out.annotate(0, "virtual_method[%d]", i); out.indent(); previousIndex = annotateEncodedMethod(out, dexFile, reader, previousIndex); out.deindent(); } out.deindent(); } } private int annotateEncodedField(@Nonnull AnnotatedBytes out, @Nonnull RawDexFile dexFile, @Nonnull DexReader reader, int previousIndex) { // large values may be used for the index delta, which cause the cumulative index to overflow upon // addition, effectively allowing out of order entries. int indexDelta = reader.readLargeUleb128(); int fieldIndex = previousIndex + indexDelta; out.annotateTo(reader.getOffset(), "field_idx_diff = %d: %s", indexDelta, FieldIdItem.getReferenceAnnotation(dexFile, fieldIndex)); int accessFlags = reader.readSmallUleb128(); out.annotateTo(reader.getOffset(), "access_flags = 0x%x: %s", accessFlags, Joiner.on('|').join(AccessFlags.getAccessFlagsForField(accessFlags))); return fieldIndex; } private int annotateEncodedMethod(@Nonnull AnnotatedBytes out, @Nonnull RawDexFile dexFile, @Nonnull DexReader reader, int previousIndex) { // large values may be used for the index delta, which cause the cumulative index to overflow upon // addition, effectively allowing out of order entries. int indexDelta = reader.readLargeUleb128(); int methodIndex = previousIndex + indexDelta; out.annotateTo(reader.getOffset(), "method_idx_diff = %d: %s", indexDelta, MethodIdItem.getReferenceAnnotation(dexFile, methodIndex)); int accessFlags = reader.readSmallUleb128(); out.annotateTo(reader.getOffset(), "access_flags = 0x%x: %s", accessFlags, Joiner.on('|').join(AccessFlags.getAccessFlagsForMethod(accessFlags))); int codeOffset = reader.readSmallUleb128(); if (codeOffset == 0) { out.annotateTo(reader.getOffset(), "code_off = code_item[NO_OFFSET]"); } else { out.annotateTo(reader.getOffset(), "code_off = code_item[0x%x]", codeOffset); addCodeItemIdentity(codeOffset, MethodIdItem.asString(dexFile, methodIndex)); } return methodIndex; } private void addCodeItemIdentity(int codeItemOffset, String methodString) { if (codeItemAnnotator != null) { codeItemAnnotator.setItemIdentity(codeItemOffset, methodString); } } }; } }