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

Example 1 with OffsetInstruction

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

the class FixGotoTest method testFixGotoToGoto16.

@Test
public void testFixGotoToGoto16() {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
    Label gotoTarget = builder.getLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, gotoTarget));
    for (int i = 0; i < 500; 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(502, instructions.size());
    Assert.assertEquals(Opcode.GOTO_16, instructions.get(0).getOpcode());
    Assert.assertEquals(502, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
}

Example 2 with OffsetInstruction

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

the class FixGotoTest method testFixGoto16ToGoto32.

@Test
public void testFixGoto16ToGoto32() {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
    Label gotoTarget = builder.getLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction20t(Opcode.GOTO_16, 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());
}

Example 3 with OffsetInstruction

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

Example 4 with OffsetInstruction

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

Example 5 with OffsetInstruction

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