frida打印调用栈printStack

var Color = {
  RESET: "\x1b[39;49;00m", Black: "0;01", Blue: "4;01", Cyan: "6;01", Gray: "7;11", Green: "2;01", Purple: "5;01", Red: "1;01", Yellow: "3;01",
  Light: {
      Black: "0;11", Blue: "4;11", Cyan: "6;11", Gray: "7;01", Green: "2;11", Purple: "5;11", Red: "1;11", Yellow: "3;11"
  }
};

var LOG = function (input, kwargs) {
  kwargs = kwargs || {};
  var logLevel = kwargs['l'] || 'log', colorPrefix = '\x1b[3', colorSuffix = 'm';
  if (typeof input === 'object')
      input = JSON.stringify(input, null, kwargs['i'] ? 2 : null);
  if (kwargs['c'])
      input = colorPrefix + kwargs['c'] + colorSuffix + input + Color.RESET;
  console[logLevel](input);
};

var printStack = function () {
  Java.perform(function() {
      var android_util_Log = Java.use('android.util.Log'), java_lang_Exception = Java.use('java.lang.Exception');
      // getting stacktrace by throwing an exception
      LOG(android_util_Log.getStackTraceString(java_lang_Exception.$new()), { c: Color.Gray });
  });
};