Don't like ads? PRO users don't see any ads ;-)
Public Pastes
Guest

Untitled

By: a guest on Jul 29th, 2012  |  syntax: None  |  size: 1.71 KB  |  hits: 18  |  expires: Never
download  |  raw  |  embed  |  report abuse  |  print
Text below is selected. Please press Ctrl+C to copy to your clipboard. (⌘+C on Mac)
  1. Safari plugin crashes on NPN_GetValue
  2. static bool mainNPObjectInvoke(NPObject *obj, NPIdentifier identifier, const NPVariant *args, uint32_t argCount, NPVariant *result)
  3. {
  4.     printf("create main object");
  5.     MainNPObject *mainObject = (MainNPObject *)obj;
  6.  
  7.     if (identifier == methodIdentifiers[METHOD_ID_GET_DEVICES])
  8.     {
  9.         NPObject *windowObj = NULL;
  10.         browser->getvalue(mainObject->npp, NPNVWindowNPObject, &windowObj);
  11.         // it crashed here
  12.     ....
  13.     }
  14. }
  15.        
  16. NPObject *createMainNPObject(NPP npp)
  17. {
  18.     MainNPObject *object = (MainNPObject *)browser->createobject(npp, &mainNPClass);
  19.     object->npp = npp;
  20.  
  21.     theMainObject = object;
  22.  
  23.     return (NPObject *)object;
  24. }
  25.        
  26. NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
  27. {
  28.     PluginObject *obj = instance->pdata;
  29.  
  30.     switch (variable) {
  31.         case NPPVpluginCoreAnimationLayer:
  32.             if (!obj->rootLayer)
  33.                 setupLayerHierarchy(obj);
  34.  
  35.             *(CALayer **)value = obj->rootLayer;
  36.  
  37.             return NPERR_NO_ERROR;
  38.  
  39.         case NPPVpluginScriptableNPObject:
  40.  
  41.             if (!obj->mainObject)
  42.             {
  43.                 obj->mainObject = createMainNPObject(instance);
  44.             }
  45.  ....
  46. }
  47.        
  48. static NPObject *mainNPObjectAllocate(NPP npp, NPClass *class)
  49. {
  50.     initializeIdentifiers();
  51.  
  52.     MainNPObject *mainObject = malloc(sizeof(MainNPObject));
  53.     mainObject->deviceManager = [[DeviceManager alloc] init];
  54.  
  55.     return (NPObject *)mainObject;
  56. }
  57.        
  58. typedef struct
  59. {
  60.     NPObject *npobject;
  61.     NPP npp;
  62.     DeviceManager *deviceManager;
  63. } MainNPObject;
  64.        
  65. 0x00007fff83f82dab  <+0019>  je     0x7fff83f82db9 <_ZN6WebKit14NetscapePlugin7fromNPPEP4_NPP+33>
  66. 0x00007fff83f82dad  <+0021>  incl   0x8(%rax)
create a new version of this paste RAW Paste Data