####(1)usage: python dexParser.py Test.dex ####(2)例子：
Test.java源码
public class Test{
public int a;
private long b;
public static int c;
public int add(int a, int b){
return a + b;
}
public float minus(float a, float b){
return a - b;
}
public void print(){
System.out.println("Hello World!");
}
}用下面的dx命令生成dex文件 dx --dex --output=Test.dex Test.class
####(3)测试: python dexParser.py Test.dex 输出结构如下：
[+] magic: 0x6465780a30333500
[+] checksum: 0x09d96791
[+] signature: 8f03232ed0cfeb1c33c5ff784b6bfd9311917cd5
[+] file_size: 0x000003a4
[+] header_size: 0x00000070
[+] endian_tag: 0x12345678
[+] link_size: 0x00000000
[+] link_off: 0x00000000
[+] map_off: 0x00000304
[+] string_ids_size: 0x00000017
[+] string_ids_off: 0x00000070
[+] type_ids_size: 0x00000009
[+] type_ids_off: 0x000000cc
[+] proto_ids_size: 0x00000004
[+] proto_ids_off: 0x000000f0
[+] field_ids_size: 0x00000004
[+] field_ids_off: 0x00000120
[+] method_ids_size: 0x00000006
[+] method_ids_off: 0x00000140
[+] class_defs_size: 0x00000001
[+] class_defs_off: 0x00000170
[+] data_size: 0x00000214
[+] data_off: 0x00000190
[+] #0 DexMapItem:
u2 dexType 0000 #kDexTypeHeaderItem
u2 unused 0000
u4 size 00000001
u4 offset 00000000
[+] #1 DexMapItem:
u2 dexType 0001 #kDexTypeStringIdItem
u2 unused 0000
u4 size 00000017
u4 offset 00000070
[+] #2 DexMapItem:
u2 dexType 0002 #kDexTypeTypeIdItem
u2 unused 0000
u4 size 00000009
u4 offset 000000cc
[+] #3 DexMapItem:
u2 dexType 0003 #kDexTypeProtoIdItem
u2 unused 0000
u4 size 00000004
u4 offset 000000f0
[+] #4 DexMapItem:
u2 dexType 0004 #kDexTypeFieldIdItem
u2 unused 0000
u4 size 00000004
u4 offset 00000120
[+] #5 DexMapItem:
u2 dexType 0005 #kDexTypeMethodIdItem
u2 unused 0000
u4 size 00000006
u4 offset 00000140
[+] #6 DexMapItem:
u2 dexType 0006 #kDexTypeClassDefItem
u2 unused 0000
u4 size 00000001
u4 offset 00000170
[+] #7 DexMapItem:
u2 dexType 2001 #kDexTypeCodeItem
u2 unused 0000
u4 size 00000004
u4 offset 00000190
[+] #8 DexMapItem:
u2 dexType 1001 #kDexTypeTypeList
u2 unused 0000
u4 size 00000003
u4 offset 000001f8
[+] #9 DexMapItem:
u2 dexType 2002 #kDexTypeStringDataItem
u2 unused 0000
u4 size 00000017
u4 offset 0000020e
[+] #10 DexMapItem:
u2 dexType 2003 #kDexTypeDebugInfoItem
u2 unused 0000
u4 size 00000004
u4 offset 000002ce
[+] #11 DexMapItem:
u2 dexType 2000 #kDexTypeClassDataItem
u2 unused 0000
u4 size 00000001
u4 offset 000002e7
[+] #12 DexMapItem:
u2 dexType 1000 #kDexTypeMapList
u2 unused 0000
u4 size 00000001
u4 offset 00000304
[+] DexStringId:
#0x0 <init>
#0x1 F
#0x2 FFF
#0x3 Hello World!
#0x4 I
#0x5 III
#0x6 J
#0x7 LTest;
#0x8 Ljava/io/PrintStream;
#0x9 Ljava/lang/Object;
#0xa Ljava/lang/String;
#0xb Ljava/lang/System;
#0xc Test.java
#0xd V
#0xe VL
#0xf a
#0x10 add
#0x11 b
#0x12 c
#0x13 minus
#0x14 out
#0x15 print
#0x16 println
[+] DexTypeId:
#0x0 #F
#0x1 #I
#0x2 #J
#0x3 #LTest;
#0x4 #Ljava/io/PrintStream;
#0x5 #Ljava/lang/Object;
#0x6 #Ljava/lang/String;
#0x7 #Ljava/lang/System;
#0x8 #V
[+] DexProtoId:
#0x0
DexProtoId[0]->shortyIdx= FFF
DexProtoId[0]->returnTypeIdx= F #F
DexProtoId[0]->parametersOff= 0x000001f8
DexTypeList->list= (F, F, )
#0x1
DexProtoId[1]->shortyIdx= III
DexProtoId[1]->returnTypeIdx= I #I
DexProtoId[1]->parametersOff= 0x00000200
DexTypeList->list= (I, I, )
#0x2
DexProtoId[2]->shortyIdx= V
DexProtoId[2]->returnTypeIdx= V #V
DexProtoId[2]->parametersOff= 0x00000000
DexTypeList->list= ()
#0x3
DexProtoId[3]->shortyIdx= VL
DexProtoId[3]->returnTypeIdx= V #V
DexProtoId[3]->parametersOff= 0x00000208
DexTypeList->list= (Ljava/lang/String;, )
[+] DexFieldId:
#0x0 (0x120~0x127)
DexFieldId[0]->classIdx=0x3 # Class type: LTest;
DexFieldId[0]->typeIdx=0x1 # Field type: I
DexFieldId[0]->nameIdx=0xf # Field name: a
#0x1 (0x128~0x12f)
DexFieldId[1]->classIdx=0x3 # Class type: LTest;
DexFieldId[1]->typeIdx=0x2 # Field type: J
DexFieldId[1]->nameIdx=0x11 # Field name: b
#0x2 (0x130~0x137)
DexFieldId[2]->classIdx=0x3 # Class type: LTest;
DexFieldId[2]->typeIdx=0x1 # Field type: I
DexFieldId[2]->nameIdx=0x12 # Field name: c
#0x3 (0x138~0x13f)
DexFieldId[3]->classIdx=0x7 # Class type: Ljava/lang/System;
DexFieldId[3]->typeIdx=0x4 # Field type: Ljava/io/PrintStream;
DexFieldId[3]->nameIdx=0x14 # Field name: out
[+] DexMethodId:
#0x0 (0x140~0x147)
DexMethodId[0]->classIdx=0x3 # LTest;
DexMethodId[0]->protoIdx=0x2 # V V ()
DexMethodId[0]->nameIdx=0x0 # <init>
#0x1 (0x148~0x14f)
DexMethodId[1]->classIdx=0x3 # LTest;
DexMethodId[1]->protoIdx=0x1 # III I (I, I, )
DexMethodId[1]->nameIdx=0x10 # add
#0x2 (0x150~0x157)
DexMethodId[2]->classIdx=0x3 # LTest;
DexMethodId[2]->protoIdx=0x0 # FFF F (F, F, )
DexMethodId[2]->nameIdx=0x13 # minus
#0x3 (0x158~0x15f)
DexMethodId[3]->classIdx=0x3 # LTest;
DexMethodId[3]->protoIdx=0x2 # V V ()
DexMethodId[3]->nameIdx=0x15 # print
#0x4 (0x160~0x167)
DexMethodId[4]->classIdx=0x4 # Ljava/io/PrintStream;
DexMethodId[4]->protoIdx=0x3 # VL V (Ljava/lang/String;, )
DexMethodId[4]->nameIdx=0x16 # println
#0x5 (0x168~0x16f)
DexMethodId[5]->classIdx=0x5 # Ljava/lang/Object;
DexMethodId[5]->protoIdx=0x2 # V V ()
DexMethodId[5]->nameIdx=0x0 # <init>
[+] #0x170~0x18f
DexClassDef[0]:
DexClassDef[0]->classIdx = 0x3 # LTest;
DexClassDef[0]->accessFlags = 0x1
DexClassDef[0]->superclassIdx = 0x5 # Ljava/lang/Object;
DexClassDef[0]->interfaceOff = 0x0
DexClassDef[0]->sourceFieldIdx = 0xc # Test.java
DexClassDef[0]->annotationsOff = 0x0
DexClassDef[0]->classDataOff = 0x2e7
DexClassDef[0]->staticValueOff = 0x0
DexClassDef[0]->DexClassData->DexClassDataHeader->staticFieldsSize = 0x1
DexClassDef[0]->DexClassData->DexClassDataHeader->instanceFieldsSize = 0x2
DexClassDef[0]->DexClassData->DexClassDataHeader->directMethodsSize = 0x1
DexClassDef[0]->DexClassData->DexClassDataHeader->virtualMethodsSize = 0x3
DexClassDef[0]->DexClassData->staticFields[0] = c // [fieldIdx = 0x2, accessFlags = 0x9]
DexClassDef[0]->DexClassData->instanceFields[0] = a // [fieldIdx = 0x0, accessFlags = 0x1]
DexClassDef[0]->DexClassData->instanceFields[1] = b // [fieldIdx = 0x1, accessFlags = 0x2]
DexClassDef[0]->DexClassData->directMethods[0] = LTest;.<init>:()V // [methodIdx = 0x0, accessFlags = 0x10001, codeOff = 0x190]
DexCode=[registersSize = 1, insSize = 1, outsSize = 1, triesSize = 0, debugInfoOff = 0x2ce, insnsSize = 4, insns = 7010050000000e00]
701005000000 |0000: invoke-direct {v0}, method@0005 //Ljava/lang/Object;.<init>:()V
0e00 |0003: return-void
DexClassDef[0]->DexClassData->virtualMethods[0] = LTest;.add:(I, I, )I // [methodIdx = 0x1, accessFlags = 0x1, codeOff = 0x1a8]
DexCode=[registersSize = 4, insSize = 3, outsSize = 0, triesSize = 0, debugInfoOff = 0x2d3, insnsSize = 3, insns = 900002030f00]
90000203 |0000: add-int v0, v2, v3
0f00 |0002: return v0
DexClassDef[0]->DexClassData->virtualMethods[1] = LTest;.minus:(F, F, )F // [methodIdx = 0x1, accessFlags = 0x1, codeOff = 0x1c0]
DexCode=[registersSize = 4, insSize = 3, outsSize = 0, triesSize = 0, debugInfoOff = 0x2da, insnsSize = 3, insns = a70002030f00]
a7000203 |0000: sub-float v0, v2, v3
0f00 |0002: return v0
DexClassDef[0]->DexClassData->virtualMethods[2] = LTest;.print:()V // [methodIdx = 0x1, accessFlags = 0x1, codeOff = 0x1d8]
DexCode=[registersSize = 3, insSize = 1, outsSize = 2, triesSize = 0, debugInfoOff = 0x2e1, insnsSize = 8, insns = 620003001a0103006e20040010000e00]
62000300 |0000: sget-object v0, field@0003 //Ljava/lang/System;.out:Ljava/io/PrintStream;
1a010300 |0002: const-string v1, string@0003 //Hello World!
6e2004001000 |0004: invoke-virtual {v0, v1}, method@0004 //Ljava/io/PrintStream;.println:(Ljava/lang/String;, )V
0e00 |0007: return-void
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