C++ (Cpp) GUM_SCRIPT_BACKEND Examples

Example #1

File: gumscriptbackend.c Project: aonorin/frida-gum

GumScriptBackend *
gum_script_backend_obtain_v8 (void)
{
  static volatile gsize gonce_value;

  if (g_once_init_enter (&gonce_value))
  {
    GumScriptBackend * backend = NULL;

    if (gum_query_is_rwx_supported ())
    {
#ifdef HAVE_V8
      backend = GUM_SCRIPT_BACKEND (
          g_object_new (GUM_V8_TYPE_SCRIPT_BACKEND, NULL));
#endif

      if (backend != NULL)
        _gum_register_early_destructor (gum_script_backend_deinit_v8);
    }

    g_once_init_leave (&gonce_value, GPOINTER_TO_SIZE (backend) + 1);
  }

  return GUM_SCRIPT_BACKEND (GSIZE_TO_POINTER (gonce_value - 1));
}

Example #2

File: gumscriptbackend.c Project: aonorin/frida-gum

GumScriptBackend *
gum_script_backend_obtain_duk (void)
{
  static volatile gsize gonce_value;

  if (g_once_init_enter (&gonce_value))
  {
    GumScriptBackend * backend;

    backend = GUM_SCRIPT_BACKEND (
        g_object_new (GUM_DUK_TYPE_SCRIPT_BACKEND, NULL));

    _gum_register_early_destructor (gum_script_backend_deinit_duk);

    g_once_init_leave (&gonce_value, GPOINTER_TO_SIZE (backend) + 1);
  }

  return GUM_SCRIPT_BACKEND (GSIZE_TO_POINTER (gonce_value - 1));
}

Example #3

File: gumscriptbackend.c Project: terry2012/frida-gum

GumScriptBackend *
gum_script_backend_obtain_jsc (void)
{
  static volatile gsize gonce_value;

  if (g_once_init_enter (&gonce_value))
  {
    GumScriptBackend * backend = NULL;

#ifdef HAVE_IOS
    backend = GUM_SCRIPT_BACKEND (
        g_object_new (GUM_JSC_TYPE_SCRIPT_BACKEND, NULL));
#endif

    if (backend != NULL)
      _gum_register_destructor (gum_script_backend_deinit_jsc);

    g_once_init_leave (&gonce_value, GPOINTER_TO_SIZE (backend) + 1);
  }

  return GUM_SCRIPT_BACKEND (GSIZE_TO_POINTER (gonce_value - 1));
}

Example #4

File: gumjscprocess.c Project: terry2012/frida-gum

static gboolean
gum_emit_thread (const GumThreadDetails * details,
                 gpointer user_data)
{
  GumJscMatchContext * mc = user_data;
  GumJscCore * core = mc->self->core;
  GumJscScope scope = GUM_JSC_SCOPE_INIT (core);
  JSContextRef ctx = mc->ctx;
  JSObjectRef thread;
  JSValueRef result;
  gboolean proceed;
  gchar * str;

  if (gum_script_backend_is_ignoring (GUM_SCRIPT_BACKEND (core->backend),
      details->id))
    return TRUE;

  thread = JSObjectMake (ctx, NULL, NULL);
  _gumjs_object_set_uint (ctx, thread, "id", details->id);
  _gumjs_object_set_string (ctx, thread, "state",
      _gumjs_thread_state_to_string (details->state));
  _gumjs_object_set (ctx, thread, "context", _gumjs_cpu_context_new (ctx,
      (GumCpuContext *) &details->cpu_context, GUM_CPU_CONTEXT_READONLY, core));

  result = JSObjectCallAsFunction (ctx, mc->on_match, NULL, 1,
      (JSValueRef *) &thread, &scope.exception);
  _gum_jsc_scope_flush (&scope);

  proceed = TRUE;
  if (result != NULL && _gumjs_string_try_get (ctx, result, &str, NULL))
  {
    proceed = strcmp (str, "stop") != 0;
    g_free (str);
  }

  return proceed;
}