use of org.jf.dexlib2.builder.Label in project smali by JesusFreke.
the class FixGotoTest method testFixGotoToGoto32.
@Test
public void testFixGotoToGoto32() {
MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
Label gotoTarget = builder.getLabel("gotoTarget");
builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, gotoTarget));
for (int i = 0; i < 70000; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
builder.addLabel("gotoTarget");
builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
MethodImplementation impl = builder.getMethodImplementation();
List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
Assert.assertEquals(70002, instructions.size());
Assert.assertEquals(Opcode.GOTO_32, instructions.get(0).getOpcode());
Assert.assertEquals(70003, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
}
use of org.jf.dexlib2.builder.Label in project smali by JesusFreke.
the class FixGotoTest method testFixGotoCascading.
@Test
public void testFixGotoCascading() {
MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
Label goto16Target = builder.getLabel("goto16Target");
builder.addInstruction(new BuilderInstruction20t(Opcode.GOTO_16, goto16Target));
for (int i = 0; i < 1000; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
Label gotoTarget = builder.getLabel("gotoTarget");
builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, gotoTarget));
for (int i = 0; i < 499; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
builder.addLabel("gotoTarget");
for (int i = 0; i < 31265; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
builder.addLabel("goto16Target");
builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
MethodImplementation impl = builder.getMethodImplementation();
List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
Assert.assertEquals(32767, instructions.size());
Assert.assertEquals(Opcode.GOTO_32, instructions.get(0).getOpcode());
Assert.assertEquals(32769, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
}
use of org.jf.dexlib2.builder.Label in project smali by JesusFreke.
the class FixOffsetsTest method testFixOffsets.
@Test
public void testFixOffsets() {
MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
Label firstGotoTarget = builder.getLabel("firstGotoTarget");
builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, firstGotoTarget));
builder.addLineNumber(1);
for (int i = 0; i < 250; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
builder.addLabel("tryStart");
builder.addLineNumber(2);
for (int i = 0; i < 250; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
builder.addLineNumber(3);
Label secondGotoTarget = builder.getLabel("secondGotoTarget");
builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, secondGotoTarget));
builder.addLineNumber(4);
builder.addLabel("handler");
for (int i = 0; i < 500; i++) {
builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
}
builder.addLineNumber(5);
builder.addLabel("tryEnd");
builder.addLabel("firstGotoTarget");
builder.addLabel("secondGotoTarget");
builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
Label tryStart = builder.getLabel("tryStart");
Label tryEnd = builder.getLabel("tryEnd");
Label handler = builder.getLabel("handler");
builder.addCatch(tryStart, tryEnd, handler);
MethodImplementation impl = builder.getMethodImplementation();
List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
Assert.assertEquals(1003, instructions.size());
Assert.assertEquals(Opcode.GOTO_16, instructions.get(0).getOpcode());
Assert.assertEquals(1004, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
Assert.assertEquals(Opcode.GOTO_16, instructions.get(501).getOpcode());
Assert.assertEquals(502, ((OffsetInstruction) instructions.get(501)).getCodeOffset());
List<? extends TryBlock<? extends ExceptionHandler>> exceptionHandlers = impl.getTryBlocks();
Assert.assertEquals(1, exceptionHandlers.size());
Assert.assertEquals(252, exceptionHandlers.get(0).getStartCodeAddress());
Assert.assertEquals(752, exceptionHandlers.get(0).getCodeUnitCount());
Assert.assertEquals(1, exceptionHandlers.get(0).getExceptionHandlers().size());
ExceptionHandler exceptionHandler = exceptionHandlers.get(0).getExceptionHandlers().get(0);
Assert.assertEquals(504, exceptionHandler.getHandlerCodeAddress());
List<DebugItem> debugItems = Lists.newArrayList(impl.getDebugItems());
Assert.assertEquals(5, debugItems.size());
Assert.assertEquals(1, ((LineNumber) debugItems.get(0)).getLineNumber());
Assert.assertEquals(2, debugItems.get(0).getCodeAddress());
Assert.assertEquals(2, ((LineNumber) debugItems.get(1)).getLineNumber());
Assert.assertEquals(252, debugItems.get(1).getCodeAddress());
Assert.assertEquals(3, ((LineNumber) debugItems.get(2)).getLineNumber());
Assert.assertEquals(502, debugItems.get(2).getCodeAddress());
Assert.assertEquals(4, ((LineNumber) debugItems.get(3)).getLineNumber());
Assert.assertEquals(504, debugItems.get(3).getCodeAddress());
Assert.assertEquals(5, ((LineNumber) debugItems.get(4)).getLineNumber());
Assert.assertEquals(1004, debugItems.get(4).getCodeAddress());
}
use of org.jf.dexlib2.builder.Label in project smali by JesusFreke.
the class PayloadAlignmentTest method testPayloadAlignmentAddNopWithReferent.
@Test
public void testPayloadAlignmentAddNopWithReferent() {
MethodImplementationBuilder implBuilder = new MethodImplementationBuilder(10);
Label label = implBuilder.getLabel("array_payload");
implBuilder.addInstruction(new BuilderInstruction31t(Opcode.FILL_ARRAY_DATA, 0, label));
implBuilder.addInstruction(new BuilderInstruction12x(Opcode.MOVE, 0, 0));
implBuilder.addInstruction(new BuilderInstruction12x(Opcode.MOVE, 0, 0));
implBuilder.addInstruction(new BuilderInstruction12x(Opcode.MOVE, 0, 0));
implBuilder.addInstruction(new BuilderInstruction12x(Opcode.MOVE, 0, 0));
implBuilder.addLabel("array_payload");
implBuilder.addInstruction(new BuilderArrayPayload(4, null));
List<Instruction> instructions = Lists.newArrayList(implBuilder.getMethodImplementation().getInstructions());
checkInstructions(instructions, new Opcode[] { Opcode.FILL_ARRAY_DATA, Opcode.MOVE, Opcode.MOVE, Opcode.MOVE, Opcode.MOVE, Opcode.NOP, Opcode.ARRAY_PAYLOAD });
Instruction31t referent = (Instruction31t) instructions.get(0);
Assert.assertEquals(8, referent.getCodeOffset());
}
use of org.jf.dexlib2.builder.Label in project smali by JesusFreke.
the class MutableMethodImplementation method newBuilderPackedSwitchPayload.
@Nonnull
private BuilderPackedSwitchPayload newBuilderPackedSwitchPayload(@Nonnull MethodLocation location, @Nonnull int[] codeAddressToIndex, @Nonnull PackedSwitchPayload instruction) {
List<? extends SwitchElement> switchElements = instruction.getSwitchElements();
if (switchElements.size() == 0) {
return new BuilderPackedSwitchPayload(0, null);
}
MethodLocation switchLocation = findSwitchForPayload(location);
int baseAddress;
if (switchLocation == null) {
baseAddress = 0;
} else {
baseAddress = switchLocation.codeAddress;
}
List<Label> labels = Lists.newArrayList();
for (SwitchElement element : switchElements) {
labels.add(newLabel(codeAddressToIndex, element.getOffset() + baseAddress));
}
return new BuilderPackedSwitchPayload(switchElements.get(0).getKey(), labels);
}
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