1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Copyright 2012, Google LLC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.tools.smali.dexlib2.util;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction10t;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction10x;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction11n;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction11x;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction12x;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction20t;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction21c;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction21ih;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction21lh;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction21s;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction21t;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction22b;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction22c;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction22s;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction22t;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction22x;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction23x;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction30t;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction31c;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction31i;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction31t;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction32x;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction35c;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction3rc;
import com.android.tools.smali.dexlib2.immutable.instruction.ImmutableInstruction51l;
import com.google.common.collect.ImmutableList;
import com.android.tools.smali.dexlib2.Opcode;
import com.android.tools.smali.dexlib2.immutable.ImmutableMethodImplementation;
import com.android.tools.smali.dexlib2.immutable.reference.ImmutableStringReference;
import com.android.tools.smali.dexlib2.immutable.reference.ImmutableTypeReference;
import com.android.tools.smali.util.ExceptionWithContext;
import org.junit.Assert;
import org.junit.Test;
public class InstructionOffsetMapTest {
@Test
public void testInstructionOffsetMap() {
ImmutableList<ImmutableInstruction> instructions = ImmutableList.of(
/*00: 0x00*/ new ImmutableInstruction10t(Opcode.GOTO, 1),
/*01: 0x01*/ new ImmutableInstruction10x(Opcode.NOP),
/*02: 0x02*/ new ImmutableInstruction11n(Opcode.CONST_4, 2, 3),
/*03: 0x03*/ new ImmutableInstruction11x(Opcode.RETURN, 4),
/*04: 0x04*/ new ImmutableInstruction12x(Opcode.ARRAY_LENGTH, 5, 6),
/*05: 0x05*/ new ImmutableInstruction20t(Opcode.GOTO_16, 7),
/*06: 0x07*/ new ImmutableInstruction21c(Opcode.CONST_STRING, 8, new ImmutableStringReference("blah")),
/*07: 0x09*/ new ImmutableInstruction21ih(Opcode.CONST_HIGH16, 9, 0x10000),
/*08: 0x0b*/ new ImmutableInstruction21lh(Opcode.CONST_WIDE_HIGH16, 10, 0x1000000000000L),
/*09: 0x0d*/ new ImmutableInstruction21s(Opcode.CONST_16, 11, 12),
/*10: 0x0f*/ new ImmutableInstruction21t(Opcode.IF_EQZ, 12, 13),
/*11: 0x11*/ new ImmutableInstruction22b(Opcode.ADD_INT_LIT8, 14, 15, 16),
/*12: 0x13*/ new ImmutableInstruction22c(Opcode.INSTANCE_OF, 0, 1,
new ImmutableTypeReference("Ltype;")),
/*13: 0x15*/ new ImmutableInstruction22s(Opcode.ADD_INT_LIT16, 2, 3, 17),
/*14: 0x17*/ new ImmutableInstruction22t(Opcode.IF_EQ, 4, 5, 18),
/*15: 0x19*/ new ImmutableInstruction22x(Opcode.MOVE_FROM16, 19, 20),
/*16: 0x1b*/ new ImmutableInstruction23x(Opcode.AGET, 21, 22, 23),
/*17: 0x1d*/ new ImmutableInstruction30t(Opcode.GOTO_32, 24),
/*18: 0x20*/ new ImmutableInstruction31c(Opcode.CONST_STRING_JUMBO, 25,
new ImmutableStringReference("this is a string")),
/*19: 0x23*/ new ImmutableInstruction31i(Opcode.CONST, 26, 27),
/*20: 0x26*/ new ImmutableInstruction31t(Opcode.FILL_ARRAY_DATA, 28, 29),
/*21: 0x29*/ new ImmutableInstruction32x(Opcode.MOVE_16, 30, 31),
/*22: 0x2c*/ new ImmutableInstruction35c(Opcode.FILLED_NEW_ARRAY, 0, 0, 0, 0, 0, 0,
new ImmutableTypeReference("Ltype;")),
/*23: 0x2f*/ new ImmutableInstruction3rc(Opcode.FILLED_NEW_ARRAY_RANGE, 0, 0,
new ImmutableTypeReference("Ltype;")),
/*24: 0x32*/ new ImmutableInstruction51l(Opcode.CONST_WIDE, 32, 33),
/*25: 0x37*/ new ImmutableInstruction10t(Opcode.GOTO, 1)
);
ImmutableMethodImplementation impl = new ImmutableMethodImplementation(33, instructions, null, null);
InstructionOffsetMap instructionOffsetMap = new InstructionOffsetMap(instructions);
int[] expectedOffsets = new int[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11,
0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x20, 0x23, 0x26, 0x29, 0x2c, 0x2f, 0x32, 0x37};
for (int i=0; i<instructions.size(); i++) {
Assert.assertEquals(expectedOffsets[i], instructionOffsetMap.getInstructionCodeOffset(i));
Assert.assertEquals(i, instructionOffsetMap.getInstructionIndexAtCodeOffset(expectedOffsets[i], true));
Assert.assertEquals(i, instructionOffsetMap.getInstructionIndexAtCodeOffset(expectedOffsets[i], false));
}
int instructionIndex = -1;
for (int codeOffset=0; codeOffset<=expectedOffsets[expectedOffsets.length-1]; codeOffset++) {
if (codeOffset == expectedOffsets[instructionIndex+1]) {
// this offset is at the beginning of an instruction
instructionIndex++;
} else {
// this offset is in the middle of an instruction
Assert.assertEquals(instructionIndex,
instructionOffsetMap.getInstructionIndexAtCodeOffset(codeOffset, false));
try {
instructionOffsetMap.getInstructionIndexAtCodeOffset(codeOffset, true);
Assert.fail(String.format("Exception exception didn't occur for code offset 0x%x", codeOffset));
} catch (ExceptionWithContext ex) {
// expected exception
}
}
}
Assert.assertEquals(expectedOffsets.length-1,
instructionOffsetMap.getInstructionIndexAtCodeOffset(expectedOffsets[expectedOffsets.length-1]+1, false));
Assert.assertEquals(expectedOffsets.length-1,
instructionOffsetMap.getInstructionIndexAtCodeOffset(expectedOffsets[expectedOffsets.length-1]+10, false));
}
}
|
