1 files changed, 120 insertions, 0 deletions
diff --git a/baksmali/src/main/java/org/jf/baksmali/ListFieldOffsetsCommand.java b/baksmali/src/main/java/org/jf/baksmali/ListFieldOffsetsCommand.java
new file mode 100644
index 00000000..d6dd6e2b
--- /dev/null
+++ b/baksmali/src/main/java/org/jf/baksmali/ListFieldOffsetsCommand.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2016, 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.baksmali;
+
+import com.beust.jcommander.JCommander;
+import com.beust.jcommander.Parameter;
+import com.beust.jcommander.Parameters;
+import com.beust.jcommander.ParametersDelegate;
+import org.jf.dexlib2.analysis.ClassProto;
+import org.jf.dexlib2.iface.ClassDef;
+import org.jf.dexlib2.iface.reference.FieldReference;
+import org.jf.util.SparseArray;
+import org.jf.util.jcommander.ExtendedParameters;
+
+import javax.annotation.Nonnull;
+import java.io.IOException;
+import java.util.List;
+
+@Parameters(commandDescription = "Lists the instance field offsets for classes in a dex file.")
+@ExtendedParameters(
+        commandName = "fieldoffsets",
+        commandAliases = { "fieldoffset", "fo" })
+public class ListFieldOffsetsCommand extends DexInputCommand {
+
+    @Parameter(names = {"-h", "-?", "--help"}, help = true,
+            description = "Show usage information")
+    private boolean help;
+
+    @ParametersDelegate
+    private AnalysisArguments analysisArguments = new AnalysisArguments();
+
+    public ListFieldOffsetsCommand(@Nonnull List<JCommander> commandAncestors) {
+        super(commandAncestors);
+    }
+
+    @Override public void run() {
+        if (help || inputList == null || inputList.isEmpty()) {
+            usage();
+            return;
+        }
+
+        if (inputList.size() > 1) {
+            System.err.println("Too many files specified");
+            usage();
+            return;
+        }
+
+        String input = inputList.get(0);
+        loadDexFile(input);
+        BaksmaliOptions options = getOptions();
+
+        try {
+            for (ClassDef classDef: dexFile.getClasses()) {
+                ClassProto classProto = (ClassProto) options.classPath.getClass(classDef);
+                SparseArray<FieldReference> fields = classProto.getInstanceFields();
+                String className = "Class "  + classDef.getType() + " : " + fields.size() + " instance fields\n";
+                System.out.write(className.getBytes());
+                for (int i=0;i<fields.size();i++) {
+                    String field = fields.keyAt(i) + ":" + fields.valueAt(i).getType() + " " + fields.valueAt(i).getName() + "\n";
+                    System.out.write(field.getBytes());
+                }
+                System.out.write("\n".getBytes());
+            }
+            System.out.close();
+        } catch (IOException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+
+    @Nonnull
+    private BaksmaliOptions getOptions() {
+        if (dexFile == null) {
+            throw new IllegalStateException("You must call loadDexFile first");
+        }
+
+        final BaksmaliOptions options = new BaksmaliOptions();
+
+        options.apiLevel = apiLevel;
+
+        try {
+            options.classPath = analysisArguments.loadClassPathForDexFile(
+                    inputFile.getAbsoluteFile().getParentFile(), dexFile, false);
+        } catch (Exception ex) {
+            System.err.println("Error occurred while loading class path files.");
+            ex.printStackTrace(System.err);
+            System.exit(-1);
+        }
+
+        return options;
+    }
+}