Initial Contribution
diff --git a/dexlist/DexList.c b/dexlist/DexList.c
new file mode 100644
index 0000000..24e5b9b
--- /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;
+}
+