src/share/vm/code/codeBlob.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 287,297 ****
--- 287,319 ----
    MemoryService::track_code_cache_memory_usage();
  
    return blob;
  }
  
+ VtableBlob::VtableBlob(const char* name, int size) :
+   BufferBlob(name, size) {
+ }
  
+ VtableBlob* VtableBlob::create(const char* name, int buffer_size) {
+   ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+ 
+   VtableBlob* blob = NULL;
+   unsigned int size = sizeof(VtableBlob);
+   // align the size to CodeEntryAlignment
+   size = align_code_offset(size);
+   size += round_to(buffer_size, oopSize);
+   assert(name != NULL, "must provide a name");
+   {
+     MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+     blob = new (size) VtableBlob(name, size);
+   }
+   // Track memory usage statistic after releasing CodeCache_lock
+   MemoryService::track_code_cache_memory_usage();
+ 
+   return blob;
+ }
+ 
  //----------------------------------------------------------------------------------------------------
  // Implementation of MethodHandlesAdapterBlob
  
  MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
    ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock