C++ (Cpp) _gum_duk_scope_call示例

示例#1

文件： gumdukkernel.c 项目： frida/frida-gum

static gboolean
gum_kernel_scan_context_emit_match (GumAddress address,
                                    gsize size,
                                    GumKernelScanContext * self)
{
  GumDukCore * core = self->core;
  GumDukScope scope;
  duk_context * ctx;
  gboolean proceed;

  ctx = _gum_duk_scope_enter (&scope, core);

  duk_push_heapptr (ctx, self->on_match);

  _gum_duk_push_uint64 (ctx, address, core);
  duk_push_number (ctx, size);

  proceed = TRUE;

  if (_gum_duk_scope_call (&scope, 2))
  {
    if (duk_is_string (ctx, -1))
      proceed = strcmp (duk_require_string (ctx, -1), "stop") != 0;
  }
  duk_pop (ctx);

  _gum_duk_scope_leave (&scope);

  return proceed;
}

示例#2

文件： gumdukprocess.c 项目： TechLord-Forever/frida-gum

static gboolean
gum_duk_exception_handler_on_exception (GumExceptionDetails * details,
                                        gpointer user_data)
{
  GumDukExceptionHandler * handler = user_data;
  GumDukCore * core = handler->core;
  GumDukScope scope;
  duk_context * ctx;
  GumDukCpuContext * cpu_context;
  gboolean handled = FALSE;

  ctx = _gum_duk_scope_enter (&scope, core);

  _gum_duk_push_exception_details (ctx, details, core, &cpu_context);

  duk_push_heapptr (ctx, handler->callback);
  duk_dup (ctx, -2);
  if (_gum_duk_scope_call (&scope, 1))
  {
    if (duk_is_boolean (ctx, -1))
      handled = duk_require_boolean (ctx, -1);
  }

  _gum_duk_cpu_context_make_read_only (cpu_context);

  duk_pop_2 (ctx);

  _gum_duk_scope_leave (&scope);

  return handled;
}

示例#3

文件： gumdukkernel.c 项目： frida/frida-gum

static void
gum_kernel_scan_context_run (GumKernelScanContext * self)
{
  GumDukCore * core = self->core;
  GumDukScope script_scope;
  duk_context * ctx;

  gum_kernel_scan (&self->range, self->pattern,
      (GumMemoryScanMatchFunc) gum_kernel_scan_context_emit_match, self);

  ctx = _gum_duk_scope_enter (&script_scope, core);

  duk_push_heapptr (ctx, self->on_complete);
  _gum_duk_scope_call (&script_scope, 0);
  duk_pop (ctx);

  _gum_duk_scope_leave (&script_scope);
}