A very rudimentary dex file parser
=== dexinfo 0.1 - (c) 2012-2013 Pau Oliva Fora
Usage: dexinfo <file.dex> [options]
options:
-V print verbose information
Dex file conaining a hello world application:
$ dexinfo classes.dex === dexinfo 0.1 - (c) 2012-2013 Pau Oliva Fora [] Dex file: classes.dex [] DEX magic: 64 65 78 0A 30 33 35 00 [] DEX version: 035 [] Adler32 checksum: 0x6b7223bc [] SHA1 signature: fca1af87e410f88d6bbd07852f0819f435222988 [] Number of classes in the archive: 8 [] Class 1 (HelloWorld.java): 1 direct methods, 1 virtual methods direct method 1 = <init> virtual method 1 = onClick [] Class 2 (HelloWorld.java): 2 direct methods, 1 virtual methods direct method 1 = <init> direct method 2 = access$0 virtual method 1 = onCreate [] Class 3 (R.java): 1 direct methods, 0 virtual methods direct method 1 = <init> [...]
Same file, with verbose information:
$ dexinfo classes.dex -V
=== dexinfo 0.1 - (c) 2012-2013 Pau Oliva Fora
[] Dex file: classes.dex
[] DEX magic: 64 65 78 0A 30 33 35 00
[] DEX version: 035
[] Adler32 checksum: 0x6b7223bc
[] SHA1 signature: fca1af87e410f88d6bbd07852f0819f435222988
[] File size: 3496 bytes
[] DEX Header size: 112 bytes (0x70)
[] Endian Tag: 0x12345678
[] Link size: 0
[] Link offset: 0x0
[] Map list offset: 0xcd8
[] Number of strings in string ID list: 72
[] String ID list offset: 0x70
[] Number of types in the type ID list: 27
[] Type ID list offset: 0x190
[] Number of items in the method prototype ID list: 14
[] Method prototype ID list offset: 0x1fc
[] Number of item in the field ID list: 10
[] Field ID list offset: 0x2a4
[] Number of items in the method ID list: 25
[] Method ID list offset: 0x2f4
[] Number of items in the class definitions list: 8
[] Class definitions list offset: 0x3bc
[] Data section size: 2284 bytes
[] Data section offset: 0x4bc
[] Number of classes in the archive: 8
[] Class 1 (HelloWorld.java):
type_descriptor: Lpof/helloworld/HelloWorld$1;
class_idx=0x12
access_flags=0x0
superclass_idx=0xf
interfaces_off=0x72c
source_file_idx=0x3
annotations_off=0x6bc
class_data_off=0xc63 (3171)
static_values_off=0x0 (0)
0 static fields
1 instance fields
field_idx_diff=0x0
field_access_flags=0x1010
1 direct methods
direct method 1 = <init>
method_code_off=0x50c
method_access_flags=0x10000
class_idx=0x12
proto_idx=0xd
1 virtual methods
virtual method 1 = onClick
method_code_off=0x528
method_access_flags=0x1
class_idx=0x12
proto_idx=0xb
[] Class 2 (HelloWorld.java):
type_descriptor: Lpof/helloworld/HelloWorld;
class_idx=0x13
access_flags=0x1
superclass_idx=0x1
interfaces_off=0x0
source_file_idx=0x3
annotations_off=0x0
class_data_off=0xc74 (3188)
static_values_off=0x0 (0)
0 static fields
2 instance fields
field_idx_diff=0x1
field_access_flags=0x2
field_idx_diff=0x1
field_access_flags=0x2
2 direct methods
direct method 1 = <init>
method_code_off=0x59c
method_access_flags=0x10001
class_idx=0x13
proto_idx=0x7
direct method 2 = access$0
method_code_off=0x5b4
method_access_flags=0x1008
class_idx=0x13
proto_idx=0x3
1 virtual methods
virtual method 1 = onCreate
method_code_off=0x5cc
method_access_flags=0x1
class_idx=0x13
proto_idx=0x9
[] Class 3 (R.java):
type_descriptor: Lpof/helloworld/R$attr;
class_idx=0x14
access_flags=0x11
superclass_idx=0xf
interfaces_off=0x0
source_file_idx=0x22
annotations_off=0x6cc
class_data_off=0xc8b (3211)
static_values_off=0x0 (0)
0 static fields
0 instance fields
1 direct methods
direct method 1 = <init>
method_code_off=0x62c
method_access_flags=0x10001
class_idx=0x14
proto_idx=0x7
0 virtual methods
[...]