Russischer Spickzettel von Smali
Grüße, Liebhaber von Reverse Engineering Android. Hier ist ein Spickzettel für Smali, ein Analogon von Assembler für Android-Anwendungen.

Der russische Originaltext stammt von hier . Dort erschien der Text aus einer maschinellen Übersetzung der offiziellen Dokumentation .
Als Ergebnis entwarf er einen trockenen Text + korrigierte kleine Tippfehler und ungeschickte Übersetzungen. In Bezug auf Kommentare und Vorschläge können Sie mir entweder im LAN schreiben oder eine PR auf Gist ausstellen .
Typen
- Dalvik : . — , .
:
V - Void -
Z - Boolean ()
B - Byte ()
S - Short ()
C - Char
I - Integer ( )
J - Long (64 bits) ()
F - Float ()
D - Double (64 bits) ( )
Lpackage/name/ObjectName;
— L
, , package/name/
— , , ObjectName
— ;
.
package.name.ObjectName
java. , , Ljava/lang/String;
java.lang.String
[I
— . .. int[]
Java. [
. [[I = int[][]
, [[[I = int[][][]
.. (: , , 255).
, [Ljava/lang/String;
.
(Methods)
, , , , . , -
Lpackage/name/ObjectName;->MethodName(III)Z
Lpackage/name/ObjectName;
. MethodName
— . (III)Z
. III
— ( 3 ), Z
— (bool).
, .
:
Lpackage/name/ObjectName;->MethodName(I[[IILjava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
Java,
String MethodName(int, int[][], int, String, Object[])
(Fields)
, , , . , , -.
Lpackage/name/ObjectName;->FieldName:Ljava/lang/String;
— ,
(Register)
- dalvik 32 . 2 64- ( — Long — Double).
, :
.registers
, .locals
. , .
:
, n
. 2 5 (v0-v4), 2 — v3
v4
.
(non-static methods
) , (this
)
, , LMyObject;->callMe(II)V
. 2 (integer
) , LMyObject;
, 3 .
, , (v0-v4) 5 , .registers 5
, .locals 2
(.. 2 local registers + 3 parameter registers). , , (.. this
), v2, (integer
) v3, (integer
) v4.
(static methods
) , , .
(Register names)
— v#
p#
. p#
.
, 3- 5- . v#
, p#
(parameter registers
)
— .
(parameter registers
)
p#
, , , , . : « , , .registers
!».
, . , . — , . .registers
.
p#
, , .
Long/Double
, long double (J
D
) 64- 2 . , . , , ( — non-static
) LMyObject;->MyMethod(IJZ)V
. LMyObject;,int,long,bool
. , 5 :
p0 this
p1 I
p2, p3 J
p4 Z
, , invoke.
Array ()
array-length vA, vB
A
: (4 )B
: reference-bearing (4 )
( ) vB
vA
fill-array-data vA+, :target
vA+
(target
). , . .
vX
vX+1
. , v1
, v2
.
:
:target
.array-data 0x2
0x01 0x02
0x03 0x04
.end array-data
new-array vA+, vB, Lclass;->type
. .
filled-new-array { vA [ vB, v.., vX ]}, Lclass;->type
. . move-result-object
, fill-new-array
.
filled-new-array/range { vA .. vX }, Lclass;->type
vA .. vX
: , ( 4 )B
: (16 )
. . move-result-object
, fill-new-array/range
.
Array Accessors ( )
:
aget vA, vB, vC
(integer
) vC
, vB
, vA
aput vA, vB, vC
(integer
) vA
, vB
vC
aget/aput
, :
- boolean
- byte
- char
- object
- short
- wide
: aget-objec
( (object
))
:
A
:B
:C
:B+
: (pair)C+
: (pair)
cmp-long vA, vB+, vC+
(long) , 0
vB+ == vC+
1;vB+ < vC+
vB+ > vC+
-1.
cmpg-double vA, vB+, vC+
(double) , 0
vB+ == vC+
1;vB+ < vC+
vB+ > vC+
-1.vB+
vC+
, 1.
cmpg-float vA, vB, vC
(float) , 0;
vB == vC
1;vB < vC
vB > vC
-1.vB
vC
, 1.
cmpl-double vA, vB+, vC+
double , 0;
vB+ == vC+
1;vB+ < vC+
vB+ > vC+
-1.vB+
, vC+
, -1.
cmpl-float vA, vB, vC
— (float) , 0;
vB == vC
1;vB < vC
vB > vC
-1.vB
vC
, -1.
const vAA, #+BBBBBBBB
(integer
) vAA
.
const/16 vAA, #+BBBB
A
: (8 )B
: (integer) (16 )
#+BBBB
vAA
const/4 vA, #+B
4- vA
.
const/high16 vAA, #+BBBB
16- vAA
. float
.
const-class vAA, Lclass
(class
), vAA
. , , .
const-string vAA, "BBBB"
, vAA
const-string/jumbo vAA, "BBBBBBBB"
, vAA
jumbo
— , ""
:
const-wide/16 vA+, #+BBBB
const-wide/high16 vA+, #+BBBB
const-wide vA+, #+BBBBBBBBBBBBBBBB
Go To
goto — :target.
goto :target
goto/16 :target #16bit
goto/32 :target #32bit
: goto
± . APKTool . , 16- , goto/16
, 32- , goto/32
. , goto/16
goto/32
( ). , goto/16
goto, goto/32
goto/16
goto
.
: goto goto/16, goto/32.
if — ,
:
A
: (integer)B
: (integer)target
:
: !=
—
:
Invoke
:
vA-vX
: ,class
: ,method
:R
: .
(non-static
) direct ( , , private instance
, ):
invoke-direct { vA, v.., vX }, Lclass;->method()R
(interface method
) ( , , , ):
invoke-interface { vA, v.., vX }, Lclass;->method()R
(static method
) ( ):
invoke-static { vA, v.., vX }, Lclass;->method()R
(virtual method
) :
invoke-super { vA, v.., vX }, Lclass;->method()R
(virtual method
) (, , ):
invoke-virtual { vA, v.., vX }, Lclass;->method()R
:
(R
«V
» Void), move-result
.
- vA-vX
, (Range of arguments) /range
. :
invoke-direct/range { vA .. vX }, Lclass;->method()R
invoke:
invoke-direct { v1, v2, v3 }
invoke-direct/range { v1 .. v3 }
invoke-direct { v0 }
invoke-direct/range { v0 .. v0 }
invoke-virtual{ vX }
invoke-virtual/range{ vX .. vX }
(v1, v2, v22)
check-cast vAA, Lclass
, vAA
, .
ClassCastException
, , .
instance-of vA, vB, Lclass
A
: (4 bits)B
: (4 bits)C
: (16 bits)
new-instance vAA, Lclass
vAA
.
non-array
.
nop
/
throw vAA
. (object) vAA
.
A
: Exception-bearing register (8 bits)
Move
:
A
: (4, 8, 16 bits)B
: (4, 16 bits)
: A: x bits. B: x bits .
move vA, vB
A: 4 bits. B: 4 bits
- (non-object) .
move/16 vAAAA, vBBBB
A: 16 bits. B: 16 bits
, move
. 16 bits
move/from16 vAA, vBBBB
A: 8 bits. B: 16 bits
, move/16
. 8 bits
move-exception vAA
A: 8 bits
vAA
. , , - . P.S: )
move-object vA, vB
A: 4 bits. B: 4 bits
, .
move-object/16 vAAAA, vBBBB
A: 16 bits. B: 16 bits
, move-object
. 16 bits
move-object/from16 vAA, vBBBB
A: 8 bits. B: 16 bits
, move-object/from16
. 8 bits
move-result vAA
A: 8 bits.
(non-object) invoke
vAA
. invoke
, (, ) .
move-result-object vAA
A: 8 bits.
invoke
vAA
. invoke
- fill-new-array
, () .
:
move-result-wide vA+
— A: 8 bitsmove-wide vA+, vB+
— A: 4 bits. B: 16 bitsmove-wide/16 vA+, vB+
— A: 16 bits. B: 16 bitsmove-wide/from16 vA+, vBBBB
— A: 8 bits. B: 16 bits
ADD
C
add-double vA+, vB+, vC+
A
: (8 )B
: 1 (8 )C
: 2 (8 )
vB+ + vC+ vA+
add-double/2addr vA+, vB+
vA + vB vA+
add-float vA, vB, vC
A
: (4 )B
: 1 (4 )C
: 2 (4 )
vB + vC vA
add-float/2addr vA, vB
vA + vB vA
add-int vA, vB, vC
A
: (4 )B
: 1 (4 )C
: 2 (4 )
vB + vC vA
add-int/lit8 vA, vB, 0xC
vB + 0xC vA
add-int/lit16 vA, vB, 0xC
vB + 0xC vA
add-int/2addr vA, vB
vA + vB vA
AND
, .
DIV
MUL
OR
, .
REM
SHL
, .
SHR
, .
SUB
USHR
XOR
, , .
Return
return
. , . return
. , return
. .
return vAA
non-object vAA.
return-object vAA
object-returning object-reference vAA.
return-void
void .
return-wide vA+
double
/long
(64-bit) vA+
.
Switch-
packed-switch vAA, :target
:
A
:target
: packed-switch()
switch
, case . ( ) . vAA
, . vAA
, ( ). pack-switch
, vAA
.
:
:target
.packed-switch 0x1 # 0x1 = / vAA
:pswitch_0 # pswitch_0 vAA == 0x1
:pswitch_1 # pswitch_1 vAA == 0x2
.end packed-switch
sparse-switch vAA, :target
Implementiert eine switch-Anweisung, bei der Fallkonstanten nicht sequentiell sind. Die Anweisung verwendet eine Nachschlagetabelle mit Konstanten case
und Offsets für jede Fallkonstante. Wenn die Tabelle keine Übereinstimmung enthält, wird die Ausführung im nächsten Befehl fortgesetzt (Standardfall).
:target
.sparse-switch
0x3 -> :sswitch_1 # sswitch_1 vAA == 0x3
0x65 -> :sswitch_2 # sswitch_2 vAA == 0x65
.end sparse-switch