Initial Contribution

2 files changed, 306 insertions, 0 deletions

diff --git a/dexlist/Android.mk b/dexlist/Android.mk
new file mode 100644
index 000000000..e029702f1
--- /dev/null
+++ b/dexlist/Android.mk
@@ -0,0 +1,49 @@
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# dexlist -- list all concrete methods found in a DEX file
+#
+LOCAL_PATH:= $(call my-dir)
+
+dexdump_src_files := \
+		DexList.c
+
+dexdump_c_includes := \
+		dalvik \
+		$(JNI_H_INCLUDE)
+
+dexdump_shared_libraries :=
+
+dexdump_static_libraries := \
+		libdex
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := dexlist
+LOCAL_SRC_FILES := $(dexdump_src_files)
+LOCAL_C_INCLUDES := $(dexdump_c_includes)
+LOCAL_SHARED_LIBRARIES := $(dexdump_shared_libraries) libcutils libz
+LOCAL_STATIC_LIBRARIES := $(dexdump_static_libraries)
+LOCAL_LDLIBS +=
+#include $(BUILD_EXECUTABLE)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := dexlist
+LOCAL_SRC_FILES := $(dexdump_src_files)
+LOCAL_C_INCLUDES := $(dexdump_c_includes)
+LOCAL_SHARED_LIBRARIES := $(dexdump_shared_libraries)
+LOCAL_STATIC_LIBRARIES := $(dexdump_static_libraries) libcutils
+LOCAL_LDLIBS += -lpthread -lz
+include $(BUILD_HOST_EXECUTABLE)
+
diff --git a/dexlist/DexList.c b/dexlist/DexList.c
new file mode 100644
index 000000000..24e5b9b5f
--- /dev/null
+++ b/dexlist/DexList.c
@@ -0,0 +1,257 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * List all methods in all concrete classes in a DEX file.
+ */
+#include "libdex/DexFile.h"
+#include "libdex/DexClass.h"
+#include "libdex/DexProto.h"
+#include "libdex/SysUtil.h"
+#include "libdex/CmdUtils.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <errno.h>
+#include <assert.h>
+
+static const char* gProgName = "dexlist";
+
+/*
+ * Return a newly-allocated string for the "dot version" of the class
+ * name for the given type descriptor. That is, The initial "L" and
+ * final ";" (if any) have been removed and all occurrences of '/'
+ * have been changed to '.'.
+ */
+static char* descriptorToDot(const char* str)
+{
+    size_t at = strlen(str);
+    char* newStr;
+
+    if (str[0] == 'L') {
+        assert(str[at - 1] == ';');
+        at -= 2; /* Two fewer chars to copy. */
+        str++; /* Skip the 'L'. */
+    }
+
+    newStr = malloc(at + 1); /* Add one for the '\0'. */
+    newStr[at] = '\0';
+
+    while (at > 0) {
+        at--;
+        newStr[at] = (str[at] == '/') ? '.' : str[at];
+    }
+
+    return newStr;
+}
+
+/*
+ * Position table callback; we just want to catch the number of the
+ * first line in the method, which *should* correspond to the first
+ * entry from the table.  (Could also use "min" here.)
+ */
+static int positionsCallback(void* cnxt, u4 address, u4 lineNum)
+{
+    int* pFirstLine = (int*) cnxt;
+    if (*pFirstLine == -1)
+        *pFirstLine = lineNum;
+    return 0;
+}
+
+
+/*
+ * Dump a method.
+ */
+void dumpMethod(DexFile* pDexFile, const char* fileName,
+        const DexMethod* pDexMethod, int i)
+{
+    const DexMethodId* pMethodId;
+    const DexCode* pCode;
+    const char* classDescriptor;
+    const char* methodName;
+    int firstLine;
+
+    /* abstract and native methods don't get listed */
+    if (pDexMethod->codeOff == 0)
+        return;
+
+    pMethodId = dexGetMethodId(pDexFile, pDexMethod->methodIdx);
+    methodName = dexStringById(pDexFile, pMethodId->nameIdx);
+
+    classDescriptor = dexStringByTypeIdx(pDexFile, pMethodId->classIdx);
+
+    pCode = dexGetCode(pDexFile, pDexMethod);
+    assert(pCode != NULL);
+
+    /*
+     * If the filename is empty, then set it to something printable
+     * so that it is easier to parse.
+     *
+     * TODO: A method may override its class's default source file by
+     * specifying a different one in its debug info. This possibility
+     * should be handled here.
+     */
+    if (fileName == NULL || fileName[0] == 0) {
+        fileName = "(none)";
+    }
+
+    firstLine = -1;
+    dexDecodeDebugInfo(pDexFile, pCode, classDescriptor, pMethodId->protoIdx,
+        pDexMethod->accessFlags, positionsCallback, NULL, &firstLine);
+
+    char* className = descriptorToDot(classDescriptor);
+    char* desc = dexCopyDescriptorFromMethodId(pDexFile, pMethodId);
+    u4 insnsOff = pDexMethod->codeOff + offsetof(DexCode, insns);
+
+    printf("0x%08x %d %s %s %s %s %d\n",
+        insnsOff, pCode->insnsSize * 2,
+        className, methodName, desc,
+        fileName, firstLine);
+
+    free(desc);
+    free(className);
+}
+
+/*
+ * Run through all direct and virtual methods in the class.
+ */
+void dumpClass(DexFile* pDexFile, int idx)
+{
+    const DexClassDef* pClassDef;
+    DexClassData* pClassData;
+    const u1* pEncodedData;
+    const char* fileName;
+    int i;
+
+    pClassDef = dexGetClassDef(pDexFile, idx);
+    pEncodedData = dexGetClassData(pDexFile, pClassDef);
+    pClassData = dexReadAndVerifyClassData(&pEncodedData, NULL);
+
+    if (pClassData == NULL) {
+        fprintf(stderr, "Trouble reading class data\n");
+        return;
+    }
+    
+    if (pClassDef->sourceFileIdx == 0xffffffff) {
+        fileName = NULL;
+    } else {
+        fileName = dexStringById(pDexFile, pClassDef->sourceFileIdx);
+    }
+    
+    /* 
+     * TODO: Each class def points at a sourceFile, so maybe that
+     * should be printed out. However, this needs to be coordinated
+     * with the tools that parse this output.
+     */
+       
+    for (i = 0; i < (int) pClassData->header.directMethodsSize; i++) {
+        dumpMethod(pDexFile, fileName, &pClassData->directMethods[i], i);
+    }
+
+    for (i = 0; i < (int) pClassData->header.virtualMethodsSize; i++) {
+        dumpMethod(pDexFile, fileName, &pClassData->virtualMethods[i], i);
+    }
+
+    free(pClassData);
+}
+
+/*
+ * Process a file.
+ *
+ * Returns 0 on success.
+ */
+int process(const char* fileName)
+{
+    DexFile* pDexFile = NULL;
+    MemMapping map;
+    bool mapped = false;
+    int result = -1;
+    UnzipToFileResult utfr;
+
+    utfr = dexOpenAndMap(fileName, NULL, &map, true);
+    if (utfr != kUTFRSuccess) {
+        if (utfr == kUTFRNoClassesDex) {
+            /* no classes.dex in the APK; pretend we succeeded */
+            result = 0;
+            goto bail;
+        }
+        fprintf(stderr, "Unable to process '%s'\n", fileName);
+        goto bail;
+    }
+    mapped = true;
+
+    pDexFile = dexFileParse(map.addr, map.length);
+    if (pDexFile == NULL) {
+        fprintf(stderr, "Warning: DEX parse failed for '%s'\n", fileName);
+        goto bail;
+    }
+
+    printf("#%s\n", fileName);
+
+    int i;
+    for (i = 0; i < (int) pDexFile->pHeader->classDefsSize; i++) {
+        dumpClass(pDexFile, i);
+    }
+
+    result = 0;
+
+bail:
+    if (mapped)
+        sysReleaseShmem(&map);
+    if (pDexFile != NULL)
+        dexFileFree(pDexFile);
+    return result;
+}
+
+
+/*
+ * Show usage.
+ */
+void usage(void)
+{
+    fprintf(stderr, "Copyright (C) 2007 The Android Open Source Project\n\n");
+    fprintf(stderr, "%s: dexfile [dexfile2 ...]\n", gProgName);
+    fprintf(stderr, "\n");
+}
+
+/*
+ * Parse args.
+ */
+int main(int argc, char* const argv[])
+{
+    int result = 0;
+    int i;
+
+    if (argc < 2) {
+        fprintf(stderr, "%s: no file specified\n", gProgName);
+        usage();
+        return 2;
+    }
+
+    /*
+     * Run through the list of files.  If one of them fails we contine on,
+     * only returning a failure at the end.
+     */
+    for (i = 1; i < argc; i++)
+        result |= process(argv[i]);
+
+    return result;
+}
+