Add new deodexerant utility, to dump dalvik's inline method table

deodexerant/Android.mk

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+# Copyright 2011, 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.
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := deodexerant
+
+LOCAL_SRC_FILES:= deodexerant.c
+
+LOCAL_SHARED_LIBRARIES := libdl
+
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_EXECUTABLE)

deodexerant/README

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+usage:
+adb push deodexerant /data/local
+adb shell chmod +x /data/local/deodexerant
+adb shell /data/local/deodexerant > inline.txt
+
+deodexerant is a binary that runs on a device and dumps out dalvik's inline
+method table.
+
+This can be used in cases where a particular built of dalvik has a non-standard
+inline method table for whatever reason. The output from this tool is intended
+to be used with the -T option for baksmali
+
+deodexerant is intended to be build within the AOSP build system. Assuming
+you have $MYDROID set to the root of the AOSP source tree, and $SMALI
+set to the root of the smali source tree,
+
+1. mkdir -p $MYDROID/external/deodexerant
+2. cp -r $SMALI/deodexerant $MYDROID/dalvik/deodexerant
+3. cd $MYDROID
+3. source build/envsetup.sh
+4. lunch generic-eng
+5. make deodexerant
+
+If all goes well, you should now have a deodexerant binary at:
+
+$MYDROID/out/target/product/generic/system/bin/deodexerant

deodexerant/deodexerant.c

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+/*
+ * Copyright 2011, 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.
+ */
+
+#include <stdio.h>
+#include <dlfcn.h>
+
+typedef struct InlineOperation {
+    void *          func;
+    const char*     classDescriptor;
+    const char*     methodName;
+    const char*     methodSignature;
+} InlineOperation;
+
+typedef const InlineOperation* (*dvmGetInlineOpsTablePtr)();
+typedef int (*dvmGetInlineOpsTableLengthPtr)();
+
+void main(int argc, char **argv) {
+	int i;
+
+	void *libdvm = dlopen("libdvm.so", RTLD_LAZY);
+
+	if (libdvm == NULL) {
+		printf("Failed to load libdvm\n");
+		return;
+	}
+
+	dvmGetInlineOpsTablePtr dvmGetInlineOpsTable = dlsym(libdvm, "dvmGetInlineOpsTable");
+
+	if (dvmGetInlineOpsTable == NULL) {
+		printf("Failed to load dvmGetInlineOpsTable\n");
+		dlclose(libdvm);
+		return;
+	}
+
+	dvmGetInlineOpsTableLengthPtr dvmGetInlineOpsTableLength = dlsym(libdvm, "dvmGetInlineOpsTableLength");
+
+	if (dvmGetInlineOpsTableLength == NULL) {
+		printf("Failed to load dvmGetInlineOpsTableLength\n");
+		dlclose(libdvm);
+		return;
+	}
+
+	const InlineOperation *inlineTable = dvmGetInlineOpsTable();
+	int length = dvmGetInlineOpsTableLength();
+
+	for (i=0; i<length; i++) {
+		InlineOperation *item = &inlineTable[i];
+
+		printf("%s->%s%s\n", item->classDescriptor, item->methodName, item->methodSignature);
+	}
+
+	dlclose(libdvm);
+	return;
+}