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src/hotspot/share/memory/allocation.cpp

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   1 /*
   2  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/shared/genCollectedHeap.hpp"
  27 #include "memory/allocation.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 #include "memory/arena.hpp"
  30 #include "memory/metaspaceShared.hpp"
  31 #include "memory/resourceArea.hpp"
  32 #include "memory/universe.hpp"
  33 #include "runtime/atomic.hpp"
  34 #include "runtime/os.hpp"
  35 #include "runtime/task.hpp"
  36 #include "runtime/threadCritical.hpp"
  37 #include "services/memTracker.hpp"
  38 #include "utilities/ostream.hpp"
  39 



  40 void* StackObj::operator new(size_t size)     throw() { ShouldNotCallThis(); return 0; }
  41 void  StackObj::operator delete(void* p)              { ShouldNotCallThis(); }
  42 void* StackObj::operator new [](size_t size)  throw() { ShouldNotCallThis(); return 0; }
  43 void  StackObj::operator delete [](void* p)           { ShouldNotCallThis(); }
  44 
  45 void* _ValueObj::operator new(size_t size)    throw() { ShouldNotCallThis(); return 0; }
  46 void  _ValueObj::operator delete(void* p)             { ShouldNotCallThis(); }
  47 void* _ValueObj::operator new [](size_t size) throw() { ShouldNotCallThis(); return 0; }
  48 void  _ValueObj::operator delete [](void* p)          { ShouldNotCallThis(); }
  49 
  50 void* MetaspaceObj::operator new(size_t size, ClassLoaderData* loader_data,
  51                                  size_t word_size,
  52                                  MetaspaceObj::Type type, TRAPS) throw() {
  53   // Klass has it's own operator new
  54   return Metaspace::allocate(loader_data, word_size, type, THREAD);
  55 }
  56 
  57 bool MetaspaceObj::is_shared() const {
  58   return MetaspaceShared::is_in_shared_space(this);
  59 }
  60 
  61 bool MetaspaceObj::is_metaspace_object() const {
  62   return Metaspace::contains((void*)this);
  63 }
  64 
  65 void MetaspaceObj::print_address_on(outputStream* st) const {
  66   st->print(" {" INTPTR_FORMAT "}", p2i(this));
  67 }
  68 
  69 void* ResourceObj::operator new(size_t size, Arena *arena) throw() {
  70   address res = (address)arena->Amalloc(size);
  71   DEBUG_ONLY(set_allocation_type(res, ARENA);)
  72   return res;
  73 }
  74 
  75 void* ResourceObj::operator new [](size_t size, Arena *arena) throw() {
  76   address res = (address)arena->Amalloc(size);
  77   DEBUG_ONLY(set_allocation_type(res, ARENA);)
  78   return res;


   1 /*
   2  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/shared/genCollectedHeap.hpp"
  27 #include "memory/allocation.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 #include "memory/arena.hpp"
  30 #include "memory/metaspaceShared.hpp"
  31 #include "memory/resourceArea.hpp"
  32 #include "memory/universe.hpp"
  33 #include "runtime/atomic.hpp"
  34 #include "runtime/os.hpp"
  35 #include "runtime/task.hpp"
  36 #include "runtime/threadCritical.hpp"
  37 #include "services/memTracker.hpp"
  38 #include "utilities/ostream.hpp"
  39 
  40 void* MetaspaceObj::_shared_metaspace_base = NULL;
  41 void* MetaspaceObj::_shared_metaspace_top  = NULL;
  42 
  43 void* StackObj::operator new(size_t size)     throw() { ShouldNotCallThis(); return 0; }
  44 void  StackObj::operator delete(void* p)              { ShouldNotCallThis(); }
  45 void* StackObj::operator new [](size_t size)  throw() { ShouldNotCallThis(); return 0; }
  46 void  StackObj::operator delete [](void* p)           { ShouldNotCallThis(); }
  47 
  48 void* _ValueObj::operator new(size_t size)    throw() { ShouldNotCallThis(); return 0; }
  49 void  _ValueObj::operator delete(void* p)             { ShouldNotCallThis(); }
  50 void* _ValueObj::operator new [](size_t size) throw() { ShouldNotCallThis(); return 0; }
  51 void  _ValueObj::operator delete [](void* p)          { ShouldNotCallThis(); }
  52 
  53 void* MetaspaceObj::operator new(size_t size, ClassLoaderData* loader_data,
  54                                  size_t word_size,
  55                                  MetaspaceObj::Type type, TRAPS) throw() {
  56   // Klass has it's own operator new
  57   return Metaspace::allocate(loader_data, word_size, type, THREAD);




  58 }
  59 
  60 bool MetaspaceObj::is_metaspace_object() const {
  61   return Metaspace::contains((void*)this);
  62 }
  63 
  64 void MetaspaceObj::print_address_on(outputStream* st) const {
  65   st->print(" {" INTPTR_FORMAT "}", p2i(this));
  66 }
  67 
  68 void* ResourceObj::operator new(size_t size, Arena *arena) throw() {
  69   address res = (address)arena->Amalloc(size);
  70   DEBUG_ONLY(set_allocation_type(res, ARENA);)
  71   return res;
  72 }
  73 
  74 void* ResourceObj::operator new [](size_t size, Arena *arena) throw() {
  75   address res = (address)arena->Amalloc(size);
  76   DEBUG_ONLY(set_allocation_type(res, ARENA);)
  77   return res;


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