auto import from //depot/cupcake/@135843
diff --git a/dexdump/DexDump.c b/dexdump/DexDump.c
new file mode 100644
index 0000000..a4d97eb
--- /dev/null
+++ b/dexdump/DexDump.c
@@ -0,0 +1,1171 @@
+/*
+ * 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.
+ */
+/*
+ * The "dexdump" tool is intended to mimic "objdump". When possible, use
+ * similar command-line arguments.
+ *
+ * TODO: rework the output format to be more regexp-friendly
+ */
+#include "libdex/DexFile.h"
+#include "libdex/DexCatch.h"
+#include "libdex/DexClass.h"
+#include "libdex/DexProto.h"
+#include "libdex/InstrUtils.h"
+#include "libdex/SysUtil.h"
+#include "libdex/CmdUtils.h"
+
+#include "dexdump/OpCodeNames.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <errno.h>
+#include <assert.h>
+
+static const char* gProgName = "dexdump";
+
+static InstructionWidth* gInstrWidth;
+static InstructionFormat* gInstrFormat;
+
+/* command-line options */
+struct {
+ bool disassemble;
+ bool showFileHeaders;
+ bool showSectionHeaders;
+ const char* tempFileName;
+} gOptions;
+
+/* basic info about a field or method */
+typedef struct FieldMethodInfo {
+ const char* classDescriptor;
+ const char* name;
+ const char* signature;
+} FieldMethodInfo;
+
+/*
+ * Get 2 little-endian bytes.
+ */
+static inline u2 get2LE(unsigned char const* pSrc)
+{
+ return pSrc[0] | (pSrc[1] << 8);
+}
+
+/*
+ * 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;
+}
+
+/*
+ * Count the number of '1' bits in a word.
+ *
+ * Having completed this, I'm ready for an interview at Google.
+ *
+ * TODO? there's a parallel version w/o loops. Performance not currently
+ * important.
+ */
+static int countOnes(u4 val)
+{
+ int count = 0;
+
+ while (val != 0) {
+ val &= val-1;
+ count++;
+ }
+
+ return count;
+}
+
+
+/*
+ * Flag for use with createAccessFlagStr().
+ */
+typedef enum AccessFor {
+ kAccessForClass = 0, kAccessForMethod = 1, kAccessForField = 2,
+ kAccessForMAX
+} AccessFor;
+
+/*
+ * Create a new string with human-readable access flags.
+ *
+ * In the base language the access_flags fields are type u2; in Dalvik
+ * they're u4.
+ */
+static char* createAccessFlagStr(u4 flags, AccessFor forWhat)
+{
+#define NUM_FLAGS 18
+ static const char* kAccessStrings[kAccessForMAX][NUM_FLAGS] = {
+ {
+ /* class, inner class */
+ "PUBLIC", /* 0x0001 */
+ "PRIVATE", /* 0x0002 */
+ "PROTECTED", /* 0x0004 */
+ "STATIC", /* 0x0008 */
+ "FINAL", /* 0x0010 */
+ "?", /* 0x0020 */
+ "?", /* 0x0040 */
+ "?", /* 0x0080 */
+ "?", /* 0x0100 */
+ "INTERFACE", /* 0x0200 */
+ "ABSTRACT", /* 0x0400 */
+ "?", /* 0x0800 */
+ "SYNTHETIC", /* 0x1000 */
+ "ANNOTATION", /* 0x2000 */
+ "ENUM", /* 0x4000 */
+ "?", /* 0x8000 */
+ "VERIFIED", /* 0x10000 */
+ "OPTIMIZED", /* 0x20000 */
+ },
+ {
+ /* method */
+ "PUBLIC", /* 0x0001 */
+ "PRIVATE", /* 0x0002 */
+ "PROTECTED", /* 0x0004 */
+ "STATIC", /* 0x0008 */
+ "FINAL", /* 0x0010 */
+ "SYNCHRONIZED", /* 0x0020 */
+ "BRIDGE", /* 0x0040 */
+ "VARARGS", /* 0x0080 */
+ "NATIVE", /* 0x0100 */
+ "?", /* 0x0200 */
+ "ABSTRACT", /* 0x0400 */
+ "STRICT", /* 0x0800 */
+ "SYNTHETIC", /* 0x1000 */
+ "?", /* 0x2000 */
+ "?", /* 0x4000 */
+ "MIRANDA", /* 0x8000 */
+ "CONSTRUCTOR", /* 0x10000 */
+ "DECLARED_SYNCHRONIZED", /* 0x20000 */
+ },
+ {
+ /* field */
+ "PUBLIC", /* 0x0001 */
+ "PRIVATE", /* 0x0002 */
+ "PROTECTED", /* 0x0004 */
+ "STATIC", /* 0x0008 */
+ "FINAL", /* 0x0010 */
+ "?", /* 0x0020 */
+ "VOLATILE", /* 0x0040 */
+ "TRANSIENT", /* 0x0080 */
+ "?", /* 0x0100 */
+ "?", /* 0x0200 */
+ "?", /* 0x0400 */
+ "?", /* 0x0800 */
+ "SYNTHETIC", /* 0x1000 */
+ "?", /* 0x2000 */
+ "ENUM", /* 0x4000 */
+ "?", /* 0x8000 */
+ "?", /* 0x10000 */
+ "?", /* 0x20000 */
+ },
+ };
+ const int kLongest = 21; /* strlen of longest string above */
+ int i, count;
+ char* str;
+ char* cp;
+
+ /*
+ * Allocate enough storage to hold the expected number of strings,
+ * plus a space between each. We over-allocate, using the longest
+ * string above as the base metric.
+ */
+ count = countOnes(flags);
+ cp = str = (char*) malloc(count * (kLongest+1) +1);
+
+ for (i = 0; i < NUM_FLAGS; i++) {
+ if (flags & 0x01) {
+ const char* accessStr = kAccessStrings[forWhat][i];
+ int len = strlen(accessStr);
+ if (cp != str)
+ *cp++ = ' ';
+
+ memcpy(cp, accessStr, len);
+ cp += len;
+ }
+ flags >>= 1;
+ }
+ *cp = '\0';
+
+ return str;
+}
+
+
+/*
+ * Dump the file header.
+ */
+void dumpFileHeader(const DexFile* pDexFile)
+{
+ const DexHeader* pHeader = pDexFile->pHeader;
+
+ printf("DEX file header:\n");
+ printf("magic : '%.8s'\n", pHeader->magic);
+ printf("checksum : %08x\n", pHeader->checksum);
+ printf("signature : %02x%02x...%02x%02x\n",
+ pHeader->signature[0], pHeader->signature[1],
+ pHeader->signature[kSHA1DigestLen-2],
+ pHeader->signature[kSHA1DigestLen-1]);
+ printf("file_size : %d\n", pHeader->fileSize);
+ printf("header_size : %d\n", pHeader->headerSize);
+ printf("link_size : %d\n", pHeader->linkSize);
+ printf("link_off : %d (0x%06x)\n",
+ pHeader->linkOff, pHeader->linkOff);
+ printf("string_ids_size : %d\n", pHeader->stringIdsSize);
+ printf("string_ids_off : %d (0x%06x)\n",
+ pHeader->stringIdsOff, pHeader->stringIdsOff);
+ printf("type_ids_size : %d\n", pHeader->typeIdsSize);
+ printf("type_ids_off : %d (0x%06x)\n",
+ pHeader->typeIdsOff, pHeader->typeIdsOff);
+ printf("field_ids_size : %d\n", pHeader->fieldIdsSize);
+ printf("field_ids_off : %d (0x%06x)\n",
+ pHeader->fieldIdsOff, pHeader->fieldIdsOff);
+ printf("method_ids_size : %d\n", pHeader->methodIdsSize);
+ printf("method_ids_off : %d (0x%06x)\n",
+ pHeader->methodIdsOff, pHeader->methodIdsOff);
+ printf("class_defs_size : %d\n", pHeader->classDefsSize);
+ printf("class_defs_off : %d (0x%06x)\n",
+ pHeader->classDefsOff, pHeader->classDefsOff);
+ printf("data_size : %d\n", pHeader->dataSize);
+ printf("data_off : %d (0x%06x)\n",
+ pHeader->dataOff, pHeader->dataOff);
+ printf("\n");
+}
+
+/*
+ * Dump a class_def_item.
+ */
+void dumpClassDef(DexFile* pDexFile, int idx)
+{
+ const DexClassDef* pClassDef;
+ const u1* pEncodedData;
+ DexClassData* pClassData;
+
+ pClassDef = dexGetClassDef(pDexFile, idx);
+ pEncodedData = dexGetClassData(pDexFile, pClassDef);
+ pClassData = dexReadAndVerifyClassData(&pEncodedData, NULL);
+
+ if (pClassData == NULL) {
+ fprintf(stderr, "Trouble reading class data\n");
+ return;
+ }
+
+ printf("Class #%d header:\n", idx);
+ printf("class_idx : %d\n", pClassDef->classIdx);
+ printf("access_flags : %d (0x%04x)\n",
+ pClassDef->accessFlags, pClassDef->accessFlags);
+ printf("superclass_idx : %d\n", pClassDef->superclassIdx);
+ printf("interfaces_off : %d (0x%06x)\n",
+ pClassDef->interfacesOff, pClassDef->interfacesOff);
+ printf("source_file_idx : %d\n", pClassDef->sourceFileIdx);
+ printf("annotations_off : %d (0x%06x)\n",
+ pClassDef->annotationsOff, pClassDef->annotationsOff);
+ printf("class_data_off : %d (0x%06x)\n",
+ pClassDef->classDataOff, pClassDef->classDataOff);
+ printf("static_fields_size : %d\n", pClassData->header.staticFieldsSize);
+ printf("instance_fields_size: %d\n",
+ pClassData->header.instanceFieldsSize);
+ printf("direct_methods_size : %d\n", pClassData->header.directMethodsSize);
+ printf("virtual_methods_size: %d\n",
+ pClassData->header.virtualMethodsSize);
+ printf("\n");
+
+ free(pClassData);
+}
+
+/*
+ * Dump an interface.
+ */
+void dumpInterface(const DexFile* pDexFile, const DexTypeItem* pTypeItem,
+ int i)
+{
+ const char* interfaceName =
+ dexStringByTypeIdx(pDexFile, pTypeItem->typeIdx);
+
+ printf(" #%d : '%s'\n", i, interfaceName);
+}
+
+/*
+ * Dump the catches table associated with the code.
+ */
+void dumpCatches(DexFile* pDexFile, const DexCode* pCode)
+{
+ u4 triesSize = pCode->triesSize;
+
+ if (triesSize == 0) {
+ printf(" catches : (none)\n");
+ return;
+ }
+
+ printf(" catches : %d\n", triesSize);
+
+ const DexTry* pTries = dexGetTries(pCode);
+ u4 i;
+
+ for (i = 0; i < triesSize; i++) {
+ const DexTry* pTry = &pTries[i];
+ u4 start = pTry->startAddr;
+ u4 end = start + pTry->insnCount;
+ DexCatchIterator iterator;
+
+ printf(" 0x%04x - 0x%04x\n", start, end);
+
+ dexCatchIteratorInit(&iterator, pCode, pTry->handlerOff);
+
+ for (;;) {
+ DexCatchHandler* handler = dexCatchIteratorNext(&iterator);
+ const char* descriptor;
+
+ if (handler == NULL) {
+ break;
+ }
+
+ descriptor = (handler->typeIdx == kDexNoIndex) ? "<any>" :
+ dexStringByTypeIdx(pDexFile, handler->typeIdx);
+
+ printf(" %s -> 0x%04x\n", descriptor,
+ handler->address);
+ }
+ }
+}
+
+static int dumpPositionsCb(void *cnxt, u4 address, u4 lineNum)
+{
+ printf(" 0x%04x line=%d\n", address, lineNum);
+ return 0;
+}
+
+/*
+ * Dump the positions list.
+ */
+void dumpPositions(DexFile* pDexFile, const DexCode* pCode,
+ const DexMethod *pDexMethod)
+{
+ printf(" positions : \n");
+ const DexMethodId *pMethodId
+ = dexGetMethodId(pDexFile, pDexMethod->methodIdx);
+ const char *classDescriptor
+ = dexStringByTypeIdx(pDexFile, pMethodId->classIdx);
+
+ dexDecodeDebugInfo(pDexFile, pCode, classDescriptor, pMethodId->protoIdx,
+ pDexMethod->accessFlags, dumpPositionsCb, NULL, NULL);
+}
+
+static void dumpLocalsCb(void *cnxt, u2 reg, u4 startAddress,
+ u4 endAddress, const char *name, const char *descriptor,
+ const char *signature)
+{
+ printf(" 0x%04x - 0x%04x reg=%d %s %s %s\n",
+ startAddress, endAddress, reg, name, descriptor,
+ signature);
+}
+
+/*
+ * Dump the locals list.
+ */
+void dumpLocals(DexFile* pDexFile, const DexCode* pCode,
+ const DexMethod *pDexMethod)
+{
+ printf(" locals : \n");
+
+ const DexMethodId *pMethodId
+ = dexGetMethodId(pDexFile, pDexMethod->methodIdx);
+ const char *classDescriptor
+ = dexStringByTypeIdx(pDexFile, pMethodId->classIdx);
+
+ dexDecodeDebugInfo(pDexFile, pCode, classDescriptor, pMethodId->protoIdx,
+ pDexMethod->accessFlags, NULL, dumpLocalsCb, NULL);
+}
+
+/*
+ * Get information about a method.
+ */
+bool getMethodInfo(DexFile* pDexFile, u4 methodIdx, FieldMethodInfo* pMethInfo)
+{
+ const DexMethodId* pMethodId;
+
+ if (methodIdx >= pDexFile->pHeader->methodIdsSize)
+ return false;
+
+ pMethodId = dexGetMethodId(pDexFile, methodIdx);
+ pMethInfo->name = dexStringById(pDexFile, pMethodId->nameIdx);
+ pMethInfo->signature = dexCopyDescriptorFromMethodId(pDexFile, pMethodId);
+
+ pMethInfo->classDescriptor =
+ dexStringByTypeIdx(pDexFile, pMethodId->classIdx);
+ return true;
+}
+
+/*
+ * Get information about a field.
+ */
+bool getFieldInfo(DexFile* pDexFile, u4 fieldIdx, FieldMethodInfo* pFieldInfo)
+{
+ const DexFieldId* pFieldId;
+
+ if (fieldIdx >= pDexFile->pHeader->fieldIdsSize)
+ return false;
+
+ pFieldId = dexGetFieldId(pDexFile, fieldIdx);
+ pFieldInfo->name = dexStringById(pDexFile, pFieldId->nameIdx);
+ pFieldInfo->signature = dexStringByTypeIdx(pDexFile, pFieldId->typeIdx);
+ pFieldInfo->classDescriptor =
+ dexStringByTypeIdx(pDexFile, pFieldId->classIdx);
+ return true;
+}
+
+
+/*
+ * Look up a class' descriptor.
+ */
+const char* getClassDescriptor(DexFile* pDexFile, u4 classIdx)
+{
+ return dexStringByTypeIdx(pDexFile, classIdx);
+}
+
+/*
+ * Dump a single instruction.
+ */
+void dumpInstruction(DexFile* pDexFile, const DexCode* pCode, int insnIdx,
+ int insnWidth, const DecodedInstruction* pDecInsn)
+{
+ static const float gSpecialTab[16] = {
+ -2.0f, -1.0f, -0.5f, -0.25f, -0.1f, 0.1f, 0.25f, 0.5f,
+ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 10.0f, 100.0f, 1000.0f
+ };
+ const u2* insns = pCode->insns;
+ int i;
+
+ printf("%06x:", ((u1*)insns - pDexFile->baseAddr) + insnIdx*2);
+ for (i = 0; i < 8; i++) {
+ if (i < insnWidth) {
+ if (i == 7) {
+ printf(" ... ");
+ } else {
+ /* print 16-bit value in little-endian order */
+ const u1* bytePtr = (const u1*) &insns[insnIdx+i];
+ printf(" %02x%02x", bytePtr[0], bytePtr[1]);
+ }
+ } else {
+ fputs(" ", stdout);
+ }
+ }
+
+ if (pDecInsn->opCode == OP_NOP) {
+ u2 instr = get2LE((const u1*) &insns[insnIdx]);
+ if (instr == kPackedSwitchSignature) {
+ printf("|%04x: packed-switch-data (%d units)",
+ insnIdx, insnWidth);
+ } else if (instr == kSparseSwitchSignature) {
+ printf("|%04x: sparse-switch-data (%d units)",
+ insnIdx, insnWidth);
+ } else if (instr == kArrayDataSignature) {
+ printf("|%04x: array-data (%d units)",
+ insnIdx, insnWidth);
+ } else {
+ printf("|%04x: nop // spacer", insnIdx);
+ }
+ } else {
+ printf("|%04x: %s", insnIdx, getOpcodeName(pDecInsn->opCode));
+ }
+
+ switch (dexGetInstrFormat(gInstrFormat, pDecInsn->opCode)) {
+ case kFmt10x: // op
+ break;
+ case kFmt12x: // op vA, vB
+ printf(" v%d, v%d", pDecInsn->vA, pDecInsn->vB);
+ break;
+ case kFmt11n: // op vA, #+B
+ printf(" v%d, #int %d // #%x",
+ pDecInsn->vA, (s4)pDecInsn->vB, (u1)pDecInsn->vB);
+ break;
+ case kFmt11x: // op vAA
+ printf(" v%d", pDecInsn->vA);
+ break;
+ case kFmt10t: // op +AA
+ case kFmt20t: // op +AAAA
+ {
+ s4 targ = (s4) pDecInsn->vA;
+ printf(" %04x // %c%04x",
+ insnIdx + targ,
+ (targ < 0) ? '-' : '+',
+ (targ < 0) ? -targ : targ);
+ }
+ break;
+ case kFmt22x: // op vAA, vBBBB
+ printf(" v%d, v%d", pDecInsn->vA, pDecInsn->vB);
+ break;
+ case kFmt21t: // op vAA, +BBBB
+ {
+ s4 targ = (s4) pDecInsn->vB;
+ printf(" v%d, %04x // %c%04x", pDecInsn->vA,
+ insnIdx + targ,
+ (targ < 0) ? '-' : '+',
+ (targ < 0) ? -targ : targ);
+ }
+ break;
+ case kFmt21s: // op vAA, #+BBBB
+ printf(" v%d, #int %d // #%x",
+ pDecInsn->vA, (s4)pDecInsn->vB, (u2)pDecInsn->vB);
+ break;
+ case kFmt21h: // op vAA, #+BBBB0000[00000000]
+ // The printed format varies a bit based on the actual opcode.
+ if (pDecInsn->opCode == OP_CONST_HIGH16) {
+ s4 value = pDecInsn->vB << 16;
+ printf(" v%d, #int %d // #%x",
+ pDecInsn->vA, value, (u2)pDecInsn->vB);
+ } else {
+ s8 value = ((s8) pDecInsn->vB) << 48;
+ printf(" v%d, #long %lld // #%x",
+ pDecInsn->vA, value, (u2)pDecInsn->vB);
+ }
+ break;
+ case kFmt21c: // op vAA, thing@BBBB
+ if (pDecInsn->opCode == OP_CONST_STRING) {
+ printf(" v%d, \"%s\" // string@%04x", pDecInsn->vA,
+ dexStringById(pDexFile, pDecInsn->vB), pDecInsn->vB);
+ } else if (pDecInsn->opCode == OP_CHECK_CAST ||
+ pDecInsn->opCode == OP_NEW_INSTANCE ||
+ pDecInsn->opCode == OP_CONST_CLASS)
+ {
+ printf(" v%d, %s // class@%04x", pDecInsn->vA,
+ getClassDescriptor(pDexFile, pDecInsn->vB), pDecInsn->vB);
+ } else /* OP_SGET* */ {
+ FieldMethodInfo fieldInfo;
+ if (getFieldInfo(pDexFile, pDecInsn->vB, &fieldInfo)) {
+ printf(" v%d, %s.%s:%s // field@%04x", pDecInsn->vA,
+ fieldInfo.classDescriptor, fieldInfo.name,
+ fieldInfo.signature, pDecInsn->vB);
+ } else {
+ printf(" v%d, ??? // field@%04x", pDecInsn->vA, pDecInsn->vB);
+ }
+ }
+ break;
+ case kFmt23x: // op vAA, vBB, vCC
+ printf(" v%d, v%d, v%d", pDecInsn->vA, pDecInsn->vB, pDecInsn->vC);
+ break;
+ case kFmt22b: // op vAA, vBB, #+CC
+ printf(" v%d, v%d, #int %d // #%02x",
+ pDecInsn->vA, pDecInsn->vB, (s4)pDecInsn->vC, (u1)pDecInsn->vC);
+ break;
+ case kFmt22t: // op vA, vB, +CCCC
+ {
+ s4 targ = (s4) pDecInsn->vC;
+ printf(" v%d, v%d, %04x // %c%04x", pDecInsn->vA, pDecInsn->vB,
+ insnIdx + targ,
+ (targ < 0) ? '-' : '+',
+ (targ < 0) ? -targ : targ);
+ }
+ break;
+ case kFmt22s: // op vA, vB, #+CCCC
+ printf(" v%d, v%d, #int %d // #%04x",
+ pDecInsn->vA, pDecInsn->vB, (s4)pDecInsn->vC, (u2)pDecInsn->vC);
+ break;
+ case kFmt22c: // op vA, vB, thing@CCCC
+ if (pDecInsn->opCode >= OP_IGET && pDecInsn->opCode <= OP_IPUT_SHORT) {
+ FieldMethodInfo fieldInfo;
+ if (getFieldInfo(pDexFile, pDecInsn->vC, &fieldInfo)) {
+ printf(" v%d, v%d, %s.%s:%s // field@%04x", pDecInsn->vA,
+ pDecInsn->vB, fieldInfo.classDescriptor, fieldInfo.name,
+ fieldInfo.signature, pDecInsn->vC);
+ } else {
+ printf(" v%d, v%d, ??? // field@%04x", pDecInsn->vA,
+ pDecInsn->vB, pDecInsn->vC);
+ }
+ } else {
+ printf(" v%d, v%d, %s // class@%04x",
+ pDecInsn->vA, pDecInsn->vB,
+ getClassDescriptor(pDexFile, pDecInsn->vC), pDecInsn->vC);
+ }
+ break;
+ case kFmt22cs: // [opt] op vA, vB, field offset CCCC
+ printf(" v%d, v%d, [obj+%04x]",
+ pDecInsn->vA, pDecInsn->vB, pDecInsn->vC);
+ break;
+ case kFmt30t:
+ printf(" #%08x", pDecInsn->vA);
+ break;
+ case kFmt31i: // op vAA, #+BBBBBBBB
+ {
+ /* this is often, but not always, a float */
+ union {
+ float f;
+ u4 i;
+ } conv;
+ conv.i = pDecInsn->vB;
+ printf(" v%d, #float %f // #%08x",
+ pDecInsn->vA, conv.f, pDecInsn->vB);
+ }
+ break;
+ case kFmt31c: // op vAA, thing@BBBBBBBB
+ printf(" v%d, \"%s\" // string@%08x", pDecInsn->vA,
+ dexStringById(pDexFile, pDecInsn->vB), pDecInsn->vB);
+ break;
+ case kFmt31t: // op vAA, offset +BBBBBBBB
+ printf(" v%d, %08x // +%08x",
+ pDecInsn->vA, insnIdx + pDecInsn->vB, pDecInsn->vB);
+ break;
+ case kFmt32x: // op vAAAA, vBBBB
+ printf(" v%d, v%d", pDecInsn->vA, pDecInsn->vB);
+ break;
+ case kFmt35c: // op vB, {vD, vE, vF, vG, vA}, thing@CCCC
+ {
+ /* NOTE: decoding of 35c doesn't quite match spec */
+ fputs(" {", stdout);
+ for (i = 0; i < (int) pDecInsn->vA; i++) {
+ if (i == 0)
+ printf("v%d", pDecInsn->arg[i]);
+ else
+ printf(", v%d", pDecInsn->arg[i]);
+ }
+ if (pDecInsn->opCode == OP_FILLED_NEW_ARRAY) {
+ printf("}, %s // class@%04x",
+ getClassDescriptor(pDexFile, pDecInsn->vB), pDecInsn->vB);
+ } else {
+ FieldMethodInfo methInfo;
+ if (getMethodInfo(pDexFile, pDecInsn->vB, &methInfo)) {
+ printf("}, %s.%s:%s // method@%04x",
+ methInfo.classDescriptor, methInfo.name,
+ methInfo.signature, pDecInsn->vB);
+ } else {
+ printf("}, ??? // method@%04x", pDecInsn->vB);
+ }
+ }
+ }
+ break;
+ case kFmt35ms: // [opt] invoke-virtual+super
+ case kFmt35fs: // [opt] invoke-interface
+ {
+ fputs(" {", stdout);
+ for (i = 0; i < (int) pDecInsn->vA; i++) {
+ if (i == 0)
+ printf("v%d", pDecInsn->arg[i]);
+ else
+ printf(", v%d", pDecInsn->arg[i]);
+ }
+ printf("}, [%04x] // vtable #%04x", pDecInsn->vB, pDecInsn->vB);
+ }
+ break;
+ case kFmt3rc: // op {vCCCC .. v(CCCC+AA-1)}, meth@BBBB
+ {
+ /*
+ * This doesn't match the "dx" output when some of the args are
+ * 64-bit values -- dx only shows the first register.
+ */
+ fputs(" {", stdout);
+ for (i = 0; i < (int) pDecInsn->vA; i++) {
+ if (i == 0)
+ printf("v%d", pDecInsn->vC + i);
+ else
+ printf(", v%d", pDecInsn->vC + i);
+ }
+ if (pDecInsn->opCode == OP_FILLED_NEW_ARRAY_RANGE) {
+ printf("}, %s // class@%04x",
+ getClassDescriptor(pDexFile, pDecInsn->vB), pDecInsn->vB);
+ } else {
+ FieldMethodInfo methInfo;
+ if (getMethodInfo(pDexFile, pDecInsn->vB, &methInfo)) {
+ printf("}, %s.%s:%s // method@%04x",
+ methInfo.classDescriptor, methInfo.name,
+ methInfo.signature, pDecInsn->vB);
+ } else {
+ printf("}, ??? // method@%04x", pDecInsn->vB);
+ }
+ }
+ }
+ break;
+ case kFmt3rms: // [opt] invoke-virtual+super/range
+ case kFmt3rfs: // [opt] invoke-interface/range
+ {
+ /*
+ * This doesn't match the "dx" output when some of the args are
+ * 64-bit values -- dx only shows the first register.
+ */
+ fputs(" {", stdout);
+ for (i = 0; i < (int) pDecInsn->vA; i++) {
+ if (i == 0)
+ printf("v%d", pDecInsn->vC + i);
+ else
+ printf(", v%d", pDecInsn->vC + i);
+ }
+ printf("}, [%04x] // vtable #%04x", pDecInsn->vB, pDecInsn->vB);
+ }
+ break;
+ case kFmt3inline: // [opt] inline invoke
+ {
+#if 0
+ const InlineOperation* inlineOpsTable = dvmGetInlineOpsTable();
+ u4 tableLen = dvmGetInlineOpsTableLength();
+#endif
+
+ fputs(" {", stdout);
+ for (i = 0; i < (int) pDecInsn->vA; i++) {
+ if (i == 0)
+ printf("v%d", pDecInsn->arg[i]);
+ else
+ printf(", v%d", pDecInsn->arg[i]);
+ }
+#if 0
+ if (pDecInsn->vB < tableLen) {
+ printf("}, %s.%s:%s // inline #%04x",
+ inlineOpsTable[pDecInsn->vB].classDescriptor,
+ inlineOpsTable[pDecInsn->vB].methodName,
+ inlineOpsTable[pDecInsn->vB].methodSignature,
+ pDecInsn->vB);
+ } else {
+#endif
+ printf("}, [%04x] // inline #%04x", pDecInsn->vB, pDecInsn->vB);
+#if 0
+ }
+#endif
+ }
+ break;
+ case kFmt51l: // op vAA, #+BBBBBBBBBBBBBBBB
+ {
+ /* this is often, but not always, a double */
+ union {
+ double d;
+ u8 j;
+ } conv;
+ conv.j = pDecInsn->vB_wide;
+ printf(" v%d, #double %f // #%016llx",
+ pDecInsn->vA, conv.d, pDecInsn->vB_wide);
+ }
+ break;
+ case kFmtUnknown:
+ break;
+ default:
+ printf(" ???");
+ break;
+ }
+
+
+ putchar('\n');
+
+}
+
+/*
+ * Dump a bytecode disassembly.
+ */
+void dumpBytecodes(DexFile* pDexFile, const DexMethod* pDexMethod)
+{
+ const DexCode* pCode = dexGetCode(pDexFile, pDexMethod);
+ const u2* insns;
+ int insnIdx;
+ FieldMethodInfo methInfo;
+ int startAddr;
+ char* className = NULL;
+
+ assert(pCode->insnsSize > 0);
+ insns = pCode->insns;
+
+ getMethodInfo(pDexFile, pDexMethod->methodIdx, &methInfo);
+ startAddr = ((u1*)pCode - pDexFile->baseAddr);
+ className = descriptorToDot(methInfo.classDescriptor);
+
+ printf("%06x: |[%06x] %s.%s:%s\n",
+ startAddr, startAddr,
+ className, methInfo.name, methInfo.signature);
+
+ insnIdx = 0;
+ while (insnIdx < (int) pCode->insnsSize) {
+ int insnWidth;
+ OpCode opCode;
+ DecodedInstruction decInsn;
+ u2 instr;
+
+ instr = get2LE((const u1*)insns);
+ if (instr == kPackedSwitchSignature) {
+ insnWidth = 4 + get2LE((const u1*)(insns+1)) * 2;
+ } else if (instr == kSparseSwitchSignature) {
+ insnWidth = 2 + get2LE((const u1*)(insns+1)) * 4;
+ } else if (instr == kArrayDataSignature) {
+ int width = get2LE((const u1*)(insns+1));
+ int size = get2LE((const u1*)(insns+2)) |
+ (get2LE((const u1*)(insns+3))<<16);
+ // The plus 1 is to round up for odd size and width
+ insnWidth = 4 + ((size * width) + 1) / 2;
+ } else {
+ opCode = instr & 0xff;
+ insnWidth = dexGetInstrWidthAbs(gInstrWidth, opCode);
+ if (insnWidth == 0) {
+ fprintf(stderr,
+ "GLITCH: zero-width instruction at idx=0x%04x\n", insnIdx);
+ break;
+ }
+ }
+
+ dexDecodeInstruction(gInstrFormat, insns, &decInsn);
+ dumpInstruction(pDexFile, pCode, insnIdx, insnWidth, &decInsn);
+
+ insns += insnWidth;
+ insnIdx += insnWidth;
+ }
+
+ free(className);
+}
+
+/*
+ * Dump a "code" struct.
+ */
+void dumpCode(DexFile* pDexFile, const DexMethod* pDexMethod)
+{
+ const DexCode* pCode = dexGetCode(pDexFile, pDexMethod);
+
+ printf(" registers : %d\n", pCode->registersSize);
+ printf(" ins : %d\n", pCode->insSize);
+ printf(" outs : %d\n", pCode->outsSize);
+ printf(" insns size : %d 16-bit code units\n", pCode->insnsSize);
+
+ if (gOptions.disassemble)
+ dumpBytecodes(pDexFile, pDexMethod);
+
+ dumpCatches(pDexFile, pCode);
+ /* both of these are encoded in debug info */
+ dumpPositions(pDexFile, pCode, pDexMethod);
+ dumpLocals(pDexFile, pCode, pDexMethod);
+}
+
+/*
+ * Dump a method.
+ */
+void dumpMethod(DexFile* pDexFile, const DexMethod* pDexMethod, int i)
+{
+ const DexMethodId* pMethodId;
+ const char* backDescriptor;
+ const char* name;
+ char* typeDescriptor;
+ char* accessStr;
+
+ pMethodId = dexGetMethodId(pDexFile, pDexMethod->methodIdx);
+ name = dexStringById(pDexFile, pMethodId->nameIdx);
+ typeDescriptor = dexCopyDescriptorFromMethodId(pDexFile, pMethodId);
+
+ backDescriptor = dexStringByTypeIdx(pDexFile, pMethodId->classIdx);
+
+ accessStr = createAccessFlagStr(pDexMethod->accessFlags,
+ kAccessForMethod);
+
+ printf(" #%d : (in %s)\n", i, backDescriptor);
+ printf(" name : '%s'\n", name);
+ printf(" type : '%s'\n", typeDescriptor);
+ printf(" access : 0x%04x (%s)\n",
+ pDexMethod->accessFlags, accessStr);
+
+ if (pDexMethod->codeOff == 0) {
+ printf(" code : (none)\n");
+ } else {
+ printf(" code -\n");
+ dumpCode(pDexFile, pDexMethod);
+ }
+
+ if (gOptions.disassemble)
+ putchar('\n');
+
+ free(typeDescriptor);
+ free(accessStr);
+}
+
+/*
+ * Dump a static (class) field.
+ */
+void dumpSField(const DexFile* pDexFile, const DexField* pSField, int i)
+{
+ const DexFieldId* pFieldId;
+ const char* backDescriptor;
+ const char* name;
+ const char* typeDescriptor;
+ char* accessStr;
+
+ pFieldId = dexGetFieldId(pDexFile, pSField->fieldIdx);
+ name = dexStringById(pDexFile, pFieldId->nameIdx);
+ typeDescriptor = dexStringByTypeIdx(pDexFile, pFieldId->typeIdx);
+ backDescriptor = dexStringByTypeIdx(pDexFile, pFieldId->classIdx);
+
+ accessStr = createAccessFlagStr(pSField->accessFlags, kAccessForField);
+
+ printf(" #%d : (in %s)\n", i, backDescriptor);
+ printf(" name : '%s'\n", name);
+ printf(" type : '%s'\n", typeDescriptor);
+ printf(" access : 0x%04x (%s)\n",
+ pSField->accessFlags, accessStr);
+
+ free(accessStr);
+}
+
+/*
+ * Dump an instance field.
+ */
+void dumpIField(const DexFile* pDexFile, const DexField* pIField, int i)
+{
+ const DexFieldId* pFieldId;
+ const char* backDescriptor;
+ const char* name;
+ const char* typeDescriptor;
+ char* accessStr;
+
+ pFieldId = dexGetFieldId(pDexFile, pIField->fieldIdx);
+ name = dexStringById(pDexFile, pFieldId->nameIdx);
+ typeDescriptor = dexStringByTypeIdx(pDexFile, pFieldId->typeIdx);
+ backDescriptor = dexStringByTypeIdx(pDexFile, pFieldId->classIdx);
+
+ accessStr = createAccessFlagStr(pIField->accessFlags, kAccessForField);
+
+ printf(" #%d : (in %s)\n", i, backDescriptor);
+ printf(" name : '%s'\n", name);
+ printf(" type : '%s'\n", typeDescriptor);
+ printf(" access : 0x%04x (%s)\n",
+ pIField->accessFlags, accessStr);
+
+ free(accessStr);
+}
+
+/*
+ * Dump the class.
+ */
+void dumpClass(DexFile* pDexFile, int idx)
+{
+ const DexTypeList* pInterfaces;
+ const DexClassDef* pClassDef;
+ DexClassData* pClassData;
+ const u1* pEncodedData;
+ const char* fileName;
+ const char* classDescriptor;
+ const char* superclassDescriptor;
+ char* accessStr;
+ int i;
+
+ pClassDef = dexGetClassDef(pDexFile, idx);
+ printf("Class #%d -\n", idx);
+
+ pEncodedData = dexGetClassData(pDexFile, pClassDef);
+ pClassData = dexReadAndVerifyClassData(&pEncodedData, NULL);
+
+ if (pClassData == NULL) {
+ printf("Trouble reading class data\n");
+ return;
+ }
+
+ classDescriptor = dexStringByTypeIdx(pDexFile, pClassDef->classIdx);
+ printf(" Class descriptor : '%s'\n", classDescriptor);
+
+ accessStr = createAccessFlagStr(pClassDef->accessFlags, kAccessForClass);
+ printf(" Access flags : 0x%04x (%s)\n",
+ pClassDef->accessFlags, accessStr);
+
+ if (pClassDef->superclassIdx == kDexNoIndex)
+ superclassDescriptor = "(none)";
+ else {
+ superclassDescriptor =
+ dexStringByTypeIdx(pDexFile, pClassDef->superclassIdx);
+ printf(" Superclass : '%s'\n", superclassDescriptor);
+ }
+
+ printf(" Interfaces -\n");
+ pInterfaces = dexGetInterfacesList(pDexFile, pClassDef);
+ if (pInterfaces != NULL) {
+ for (i = 0; i < (int) pInterfaces->size; i++)
+ dumpInterface(pDexFile, dexGetTypeItem(pInterfaces, i), i);
+ }
+
+ printf(" Static fields -\n");
+ for (i = 0; i < (int) pClassData->header.staticFieldsSize; i++) {
+ dumpSField(pDexFile, &pClassData->staticFields[i], i);
+ }
+
+ printf(" Instance fields -\n");
+ for (i = 0; i < (int) pClassData->header.instanceFieldsSize; i++) {
+ dumpIField(pDexFile, &pClassData->instanceFields[i], i);
+ }
+
+ printf(" Direct methods -\n");
+ for (i = 0; i < (int) pClassData->header.directMethodsSize; i++) {
+ dumpMethod(pDexFile, &pClassData->directMethods[i], i);
+ }
+
+ printf(" Virtual methods -\n");
+ for (i = 0; i < (int) pClassData->header.virtualMethodsSize; i++) {
+ dumpMethod(pDexFile, &pClassData->virtualMethods[i], i);
+ }
+
+ // TODO: Annotations.
+
+ if (pClassDef->sourceFileIdx != kDexNoIndex)
+ fileName = dexStringById(pDexFile, pClassDef->sourceFileIdx);
+ else
+ fileName = "unknown";
+ printf(" source_file_idx : %d (%s)\n",
+ pClassDef->sourceFileIdx, fileName);
+
+ printf("\n");
+
+ free(pClassData);
+ free(accessStr);
+}
+
+/*
+ * Dump the requested sections of the file.
+ */
+void processDexFile(const char* fileName, DexFile* pDexFile)
+{
+ int i;
+
+ printf("Opened '%s', DEX version '%.3s'\n", fileName,
+ pDexFile->pHeader->magic +4);
+
+ if (gOptions.showFileHeaders)
+ dumpFileHeader(pDexFile);
+
+ for (i = 0; i < (int) pDexFile->pHeader->classDefsSize; i++) {
+ if (gOptions.showSectionHeaders)
+ dumpClassDef(pDexFile, i);
+
+ dumpClass(pDexFile, i);
+ }
+}
+
+
+/*
+ * Process one file.
+ */
+int process(const char* fileName)
+{
+ DexFile* pDexFile = NULL;
+ MemMapping map;
+ bool mapped = false;
+ int result = -1;
+
+ printf("Processing '%s'...\n", fileName);
+
+ if (dexOpenAndMap(fileName, gOptions.tempFileName, &map, false) != 0)
+ goto bail;
+ mapped = true;
+
+ pDexFile = dexFileParse(map.addr, map.length,
+ kDexParseVerifyChecksum | kDexParseContinueOnError);
+ if (pDexFile == NULL) {
+ fprintf(stderr, "ERROR: DEX parse failed\n");
+ goto bail;
+ }
+
+ processDexFile(fileName, pDexFile);
+
+ 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: [-d] [-f] [-h] [-t tempfile] dexfile...\n", gProgName);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " -d : disassemble code sections\n");
+ fprintf(stderr, " -f : display summary information from file header\n");
+ fprintf(stderr, " -h : display file header details\n");
+ fprintf(stderr, " -t : temp file name (defaults to /sdcard/dex-temp-*)\n");
+}
+
+/*
+ * Parse args.
+ *
+ * I'm not using getopt_long() because we may not have it in libc.
+ */
+int main(int argc, char* const argv[])
+{
+ bool wantUsage = false;
+ int ic;
+
+ memset(&gOptions, 0, sizeof(gOptions));
+
+ while (1) {
+ ic = getopt(argc, argv, "dfht:");
+ if (ic < 0)
+ break;
+
+ switch (ic) {
+ case 'd': // disassemble Dalvik instructions
+ gOptions.disassemble = true;
+ break;
+ case 'f': // dump outer file header
+ gOptions.showFileHeaders = true;
+ break;
+ case 'h': // dump section headers, i.e. all meta-data
+ gOptions.showSectionHeaders = true;
+ break;
+ case 't': // temp file, used when opening compressed Jar
+ gOptions.tempFileName = argv[optind];
+ break;
+ default:
+ wantUsage = true;
+ break;
+ }
+ }
+
+ if (optind == argc) {
+ fprintf(stderr, "%s: no file specified\n", gProgName);
+ wantUsage = true;
+ }
+
+ /* initialize some VM tables */
+ gInstrWidth = dexCreateInstrWidthTable();
+ gInstrFormat = dexCreateInstrFormatTable();
+
+ if (wantUsage) {
+ usage();
+ return 2;
+ }
+
+ while (optind < argc)
+ process(argv[optind++]);
+
+ free(gInstrWidth);
+ free(gInstrFormat);
+
+ return 0;
+}