C++ GrowableArray::find方法代码示例

void PCRecorder::print() {
  if (counters == NULL) return;

  tty->cr();
  tty->print_cr("Printing compiled methods with PC buckets having more than %d ticks", ProfilerPCTickThreshold);
  tty->print_cr("===================================================================");
  tty->cr();

  GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20);


  int s;
  {
    MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
    s = size();
  }

  for (int index = 0; index < s; index++) {
    int count = counters[index];
    if (count > ProfilerPCTickThreshold) {
      address pc = pc_for(index);
      CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
      if (cb != NULL && candidates->find(cb) < 0) {
        candidates->push(cb);
      }
    }
  }
  for (int i = 0; i < candidates->length(); i++) {
    print_blobs(candidates->at(i));
  }
}

 Thread(HANDLE handle, int id, void* stackLimit) : thread_handle(handle), thread_id(id), stack_limit(stackLimit) {
   int index = threads->find(NULL, equals);
   if (index < 0)
     threads->append(this);
   else
     threads->at_put(index, this);
 }

void Compilation::generate_exception_handler_table() {
  // Generate an ExceptionHandlerTable from the exception handler
  // information accumulated during the compilation.
  ExceptionInfoList* info_list = exception_info_list();

  if (info_list->length() == 0) {
    return;
  }

  // allocate some arrays for use by the collection code.
  const int num_handlers = 5;
  GrowableArray<intptr_t>* bcis = new GrowableArray<intptr_t>(num_handlers);
  GrowableArray<intptr_t>* scope_depths = new GrowableArray<intptr_t>(num_handlers);
  GrowableArray<intptr_t>* pcos = new GrowableArray<intptr_t>(num_handlers);

  for (int i = 0; i < info_list->length(); i++) {
    ExceptionInfo* info = info_list->at(i);
    XHandlers* handlers = info->exception_handlers();

    // empty the arrays
    bcis->trunc_to(0);
    scope_depths->trunc_to(0);
    pcos->trunc_to(0);

    for (int i = 0; i < handlers->length(); i++) {
      XHandler* handler = handlers->handler_at(i);
      assert(handler->entry_pco() != -1, "must have been generated");

      int e = bcis->find(handler->handler_bci());
      if (e >= 0 && scope_depths->at(e) == handler->scope_count()) {
        // two different handlers are declared to dispatch to the same
        // catch bci.  During parsing we created edges for each
        // handler but we really only need one.  The exception handler
        // table will also get unhappy if we try to declare both since
        // it's nonsensical.  Just skip this handler.
        continue;
      }

      bcis->append(handler->handler_bci());
      if (handler->handler_bci() == -1) {
        // insert a wildcard handler at scope depth 0 so that the
        // exception lookup logic with find it.
        scope_depths->append(0);
      } else {
        scope_depths->append(handler->scope_count());
    }
      pcos->append(handler->entry_pco());

      // stop processing once we hit a catch any
      if (handler->is_catch_all()) {
        assert(i == handlers->length() - 1, "catch all must be last handler");
  }
    }
    exception_handler_table()->add_subtable(info->pco(), bcis, scope_depths, pcos);
  }
}

 virtual ~Thread() {
   int index = threads->find(this);
   threads->at_put(index, NULL);
 }