Unidbg 中使用 Dobby 进行 inline hook

Dobby dobby = Dobby.getInstance(test.emulator);

dobby.replace(test.module.base + 0xCC64, new ReplaceCallback() {
	private final Stack<UnidbgPointer> resultPointerStack = new Stack<>();

	@Override
	public HookStatus onCall(Emulator<?> emulator, HookContext context, long originFunction) {
		//                for (int i = 0; i < 8; i++) {
		//                    System.out.println("0xCC64.arg." + i + ": " + context.getPointerArg(i));
		//                }

		UnidbgPointer ptr = context.getPointerArg(0);
		resultPointerStack.push(ptr);

		//                System.out.println("file content capacity: " + ptr.getInt(0));
		//                System.out.println("file content size: " + ptr.getInt(8));
		//                Inspector.inspect(ptr.getPointer(16).getByteArray(0, ptr.getInt(8)), "file content");

		UnidbgPointer ptr2 = context.getPointerArg(1);
		//                System.out.println("file content capacity2: " + ptr2.getInt(0));
		//                System.out.println("file content size2: " + ptr2.getInt(8));
		System.out.println("cut offset: " + context.getIntArg(2) + ", size: " + context.getIntArg(3));
		Inspector.inspect(ptr2.getPointer(16).getByteArray(0, ptr2.getInt(8)), "in file content");

		return super.onCall(emulator, context, originFunction);
	}

	@Override
	public void postCall(Emulator<?> emulator, HookContext context) {
		UnidbgPointer ptr = resultPointerStack.pop();
		//                System.out.println("ret file content capacity: " + ptr.getInt(0));
		//                System.out.println("ret file content size: " + ptr.getInt(8));
		Inspector.inspect(ptr.getPointer(16).getByteArray(0, ptr.getInt(8)), "out file content");

		super.postCall(emulator, context);
	}
}, true);