Examples with Instruction org.jf.dexlib2.iface.instruction.Instruction used on opensource projects

Example 21 with Instruction

use of org.jf.dexlib2.iface.instruction.Instruction 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());
}

Example 22 with Instruction

use of org.jf.dexlib2.iface.instruction.Instruction 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());
}

Example 23 with Instruction

use of org.jf.dexlib2.iface.instruction.Instruction in project smali by JesusFreke.

the class PayloadAlignmentTest method testPayloadAlignmentAddNop.

@Test
public void testPayloadAlignmentAddNop() {
    MethodImplementationBuilder implBuilder = new MethodImplementationBuilder(10);
    implBuilder.addInstruction(new BuilderInstruction12x(Opcode.MOVE, 0, 0));
    implBuilder.addInstruction(new BuilderArrayPayload(4, null));
    List<? extends Instruction> instructions = Lists.newArrayList(implBuilder.getMethodImplementation().getInstructions());
    Assert.assertEquals(instructions.size(), 3);
    Instruction instruction = instructions.get(0);
    Assert.assertEquals(instruction.getOpcode(), Opcode.MOVE);
    instruction = instructions.get(1);
    Assert.assertEquals(instruction.getOpcode(), Opcode.NOP);
    instruction = instructions.get(2);
    Assert.assertEquals(instruction.getOpcode(), Opcode.ARRAY_PAYLOAD);
}

Example 24 with Instruction

use of org.jf.dexlib2.iface.instruction.Instruction in project smali by JesusFreke.

the class PayloadAlignmentTest method testPackedSwitchAlignment.

@Test
public void testPackedSwitchAlignment() {
    MethodImplementationBuilder implBuilder = new MethodImplementationBuilder(10);
    implBuilder.addLabel("switch_target_1");
    implBuilder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, implBuilder.getLabel("goto_target")));
    implBuilder.addLabel("switch_payload");
    implBuilder.addInstruction(new BuilderPackedSwitchPayload(0, Lists.newArrayList(implBuilder.getLabel("switch_target_1"), implBuilder.getLabel("switch_target_2"), implBuilder.getLabel("switch_target_3"))));
    implBuilder.addLabel("goto_target");
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addLabel("switch_target_2");
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addLabel("switch_target_3");
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addInstruction(new BuilderInstruction31t(Opcode.PACKED_SWITCH, 0, implBuilder.getLabel("switch_payload")));
    List<Instruction> instructions = Lists.newArrayList(implBuilder.getMethodImplementation().getInstructions());
    checkInstructions(instructions, new Opcode[] { Opcode.GOTO, Opcode.NOP, Opcode.PACKED_SWITCH_PAYLOAD, Opcode.NOP, Opcode.NOP, Opcode.NOP, Opcode.NOP, Opcode.PACKED_SWITCH });
    OffsetInstruction gotoInstruction = (OffsetInstruction) instructions.get(0);
    Assert.assertEquals(12, gotoInstruction.getCodeOffset());
    PackedSwitchPayload payload = (PackedSwitchPayload) instructions.get(2);
    Assert.assertEquals(3, payload.getSwitchElements().size());
    Assert.assertEquals(-16, payload.getSwitchElements().get(0).getOffset());
    Assert.assertEquals(-2, payload.getSwitchElements().get(1).getOffset());
    Assert.assertEquals(-1, payload.getSwitchElements().get(2).getOffset());
    OffsetInstruction referent = (OffsetInstruction) instructions.get(7);
    Assert.assertEquals(-14, referent.getCodeOffset());
}

Example 25 with Instruction

use of org.jf.dexlib2.iface.instruction.Instruction in project smali by JesusFreke.

the class PayloadAlignmentTest method testSparseSwitchAlignment.

@Test
public void testSparseSwitchAlignment() {
    MethodImplementationBuilder implBuilder = new MethodImplementationBuilder(10);
    implBuilder.addLabel("switch_target_1");
    implBuilder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, implBuilder.getLabel("goto_target")));
    implBuilder.addLabel("switch_payload");
    implBuilder.addInstruction(new BuilderSparseSwitchPayload(Lists.newArrayList(new SwitchLabelElement(0, implBuilder.getLabel("switch_target_1")), new SwitchLabelElement(5, implBuilder.getLabel("switch_target_2")), new SwitchLabelElement(10, implBuilder.getLabel("switch_target_3")))));
    implBuilder.addLabel("goto_target");
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addLabel("switch_target_2");
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addLabel("switch_target_3");
    implBuilder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    implBuilder.addInstruction(new BuilderInstruction31t(Opcode.SPARSE_SWITCH, 0, implBuilder.getLabel("switch_payload")));
    List<Instruction> instructions = Lists.newArrayList(implBuilder.getMethodImplementation().getInstructions());
    checkInstructions(instructions, new Opcode[] { Opcode.GOTO, Opcode.NOP, Opcode.SPARSE_SWITCH_PAYLOAD, Opcode.NOP, Opcode.NOP, Opcode.NOP, Opcode.NOP, Opcode.SPARSE_SWITCH });
    OffsetInstruction gotoInstruction = (OffsetInstruction) instructions.get(0);
    Assert.assertEquals(16, gotoInstruction.getCodeOffset());
    SparseSwitchPayload payload = (SparseSwitchPayload) instructions.get(2);
    Assert.assertEquals(3, payload.getSwitchElements().size());
    Assert.assertEquals(-20, payload.getSwitchElements().get(0).getOffset());
    Assert.assertEquals(-2, payload.getSwitchElements().get(1).getOffset());
    Assert.assertEquals(-1, payload.getSwitchElements().get(2).getOffset());
    OffsetInstruction referent = (OffsetInstruction) instructions.get(7);
    Assert.assertEquals(-18, referent.getCodeOffset());
}