src/hotspot/share/memory/allocation.hpp
author stefank
Thu, 22 Mar 2018 12:34:31 +0100
changeset 49590 66c32f2a7f10
parent 49465 4881673579b7
child 51264 cf34c71ca27c
permissions -rw-r--r--
8200111: MallocArrayAllocator::free should not take a length parameter Reviewed-by: gtriantafill, coleenp, tschatzl
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
48794
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
     2
 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1374
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1374
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1374
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
    25
#ifndef SHARE_VM_MEMORY_ALLOCATION_HPP
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
    26
#define SHARE_VM_MEMORY_ALLOCATION_HPP
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
    27
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
    28
#include "runtime/globals.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
    29
#include "utilities/globalDefinitions.hpp"
13975
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
    30
#include "utilities/macros.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
    31
9403
6f3c6231c20a 7036747: 7017009 reappeared, problem with ElfStringTable
zgu
parents: 8481
diff changeset
    32
#include <new>
6f3c6231c20a 7036747: 7017009 reappeared, problem with ElfStringTable
zgu
parents: 8481
diff changeset
    33
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
    34
class AllocFailStrategy {
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
    35
public:
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
    36
  enum AllocFailEnum { EXIT_OOM, RETURN_NULL };
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
    37
};
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
    38
typedef AllocFailStrategy::AllocFailEnum AllocFailType;
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
    39
49392
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    40
// The virtual machine must never call one of the implicitly declared
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    41
// global allocation or deletion functions.  (Such calls may result in
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    42
// link-time or run-time errors.)  For convenience and documentation of
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    43
// intended use, classes in the virtual machine may be derived from one
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    44
// of the following allocation classes, some of which define allocation
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    45
// and deletion functions.
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    46
// Note: std::malloc and std::free should never called directly.
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    47
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
// For objects allocated in the resource area (see resourceArea.hpp).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
// - ResourceObj
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
//
49392
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    52
// For objects allocated in the C-heap (managed by: free & malloc and tracked with NMT)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
// - CHeapObj
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
// For objects allocated on the stack.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
// - StackObj
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
// For classes used as name spaces.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    59
// - AllStatic
489c9b5090e2 Initial load
duke
parents:
diff changeset
    60
//
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
    61
// For classes in Metaspace (class data)
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
    62
// - MetaspaceObj
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
    63
//
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    64
// The printable subclasses are used for debugging and define virtual
489c9b5090e2 Initial load
duke
parents:
diff changeset
    65
// member functions for printing. Classes that avoid allocating the
489c9b5090e2 Initial load
duke
parents:
diff changeset
    66
// vtbl entries in the objects should therefore not be the printable
489c9b5090e2 Initial load
duke
parents:
diff changeset
    67
// subclasses.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    68
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    69
// The following macros and function should be used to allocate memory
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    70
// directly in the resource area or in the C-heap, The _OBJ variants
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    71
// of the NEW/FREE_C_HEAP macros are used for alloc/dealloc simple
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    72
// objects which are not inherited from CHeapObj, note constructor and
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    73
// destructor are not called. The preferable way to allocate objects
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    74
// is using the new operator.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    75
//
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    76
// WARNING: The array variant must only be used for a homogenous array
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    77
// where all objects are of the exact type specified. If subtypes are
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    78
// stored in the array then must pay attention to calling destructors
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    79
// at needed.
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    80
//
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    81
//   NEW_RESOURCE_ARRAY(type, size)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    82
//   NEW_RESOURCE_OBJ(type)
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    83
//   NEW_C_HEAP_ARRAY(type, size)
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    84
//   NEW_C_HEAP_OBJ(type, memflags)
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
    85
//   FREE_C_HEAP_ARRAY(type, old)
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
    86
//   FREE_C_HEAP_OBJ(objname, type, memflags)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    87
//   char* AllocateHeap(size_t size, const char* name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    88
//   void  FreeHeap(void* p);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    89
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    90
489c9b5090e2 Initial load
duke
parents:
diff changeset
    91
// In non product mode we introduce a super class for all allocation classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
    92
// that supports printing.
49392
2956d0ece7a9 8199282: Remove ValueObj class for allocation subclassing for gc code
coleenp
parents: 49364
diff changeset
    93
// We avoid the superclass in product mode to save space.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    94
489c9b5090e2 Initial load
duke
parents:
diff changeset
    95
#ifdef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    96
#define ALLOCATION_SUPER_CLASS_SPEC
489c9b5090e2 Initial load
duke
parents:
diff changeset
    97
#else
489c9b5090e2 Initial load
duke
parents:
diff changeset
    98
#define ALLOCATION_SUPER_CLASS_SPEC : public AllocatedObj
489c9b5090e2 Initial load
duke
parents:
diff changeset
    99
class AllocatedObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   100
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   101
  // Printing support
489c9b5090e2 Initial load
duke
parents:
diff changeset
   102
  void print() const;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   103
  void print_value() const;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   104
489c9b5090e2 Initial load
duke
parents:
diff changeset
   105
  virtual void print_on(outputStream* st) const;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   106
  virtual void print_value_on(outputStream* st) const;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   107
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   108
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   109
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   110
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   111
/*
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   112
 * Memory types
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   113
 */
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   114
enum MemoryType {
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   115
  // Memory type by sub systems. It occupies lower byte.
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   116
  mtJavaHeap          = 0x00,  // Java heap
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   117
  mtClass             = 0x01,  // memory class for Java classes
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   118
  mtThread            = 0x02,  // memory for thread objects
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   119
  mtThreadStack       = 0x03,
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   120
  mtCode              = 0x04,  // memory for generated code
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   121
  mtGC                = 0x05,  // memory for GC
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   122
  mtCompiler          = 0x06,  // memory for compiler
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   123
  mtInternal          = 0x07,  // memory used by VM, but does not belong to
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   124
                                 // any of above categories, and not used for
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   125
                                 // native memory tracking
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   126
  mtOther             = 0x08,  // memory not used by VM
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   127
  mtSymbol            = 0x09,  // symbol
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   128
  mtNMT               = 0x0A,  // memory used by native memory tracking
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   129
  mtClassShared       = 0x0B,  // class data sharing
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   130
  mtChunk             = 0x0C,  // chunk that holds content of arenas
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   131
  mtTest              = 0x0D,  // Test type for verifying NMT
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   132
  mtTracing           = 0x0E,  // memory used for Tracing
33097
96e348cb0442 8046148: JEP 158: Unified JVM Logging
mlarsson
parents: 27880
diff changeset
   133
  mtLogging           = 0x0F,  // memory for logging
37491
edf4cc53f5a3 8153039: Command line processing should use mtCommand or mtArguments rather than mtInternal for NMT
gziemski
parents: 37096
diff changeset
   134
  mtArguments         = 0x10,  // memory for argument processing
38733
2b65f4db449e 8156156: Add module specific NMT MemoryType
hseigel
parents: 37491
diff changeset
   135
  mtModule            = 0x11,  // memory for module processing
2b65f4db449e 8156156: Add module specific NMT MemoryType
hseigel
parents: 37491
diff changeset
   136
  mtNone              = 0x12,  // undefined
2b65f4db449e 8156156: Add module specific NMT MemoryType
hseigel
parents: 37491
diff changeset
   137
  mt_number_of_types  = 0x13   // number of memory types (mtDontTrack
14120
7d298141c258 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 14083
diff changeset
   138
                                 // is not included as validate type)
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   139
};
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   140
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   141
typedef MemoryType MEMFLAGS;
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   142
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   143
13975
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   144
#if INCLUDE_NMT
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   145
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   146
extern bool NMT_track_callsite;
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   147
13975
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   148
#else
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   149
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   150
const bool NMT_track_callsite = false;
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   151
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   152
#endif // INCLUDE_NMT
2f7431485cfa 7189254: Change makefiles for more flexibility to override defaults
jprovino
parents: 13728
diff changeset
   153
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   154
class NativeCallStack;
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   155
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   156
49465
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   157
char* AllocateHeap(size_t size,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   158
                   MEMFLAGS flags,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   159
                   const NativeCallStack& stack,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   160
                   AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   161
char* AllocateHeap(size_t size,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   162
                   MEMFLAGS flags,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   163
                   AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   164
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   165
char* ReallocateHeap(char *old,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   166
                     size_t size,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   167
                     MEMFLAGS flag,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   168
                     AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   169
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   170
void FreeHeap(void* p);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   171
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   172
template <MEMFLAGS F> class CHeapObj ALLOCATION_SUPER_CLASS_SPEC {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   173
 public:
49465
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   174
  ALWAYSINLINE void* operator new(size_t size) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   175
    return (void*)AllocateHeap(size, F);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   176
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   177
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   178
  ALWAYSINLINE void* operator new(size_t size,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   179
                                  const NativeCallStack& stack) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   180
    return (void*)AllocateHeap(size, F, stack);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   181
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   182
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   183
  ALWAYSINLINE void* operator new(size_t size, const std::nothrow_t&,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   184
                                  const NativeCallStack& stack) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   185
    return (void*)AllocateHeap(size, F, stack, AllocFailStrategy::RETURN_NULL);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   186
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   187
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   188
  ALWAYSINLINE void* operator new(size_t size, const std::nothrow_t&) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   189
    return (void*)AllocateHeap(size, F, AllocFailStrategy::RETURN_NULL);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   190
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   191
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   192
  ALWAYSINLINE void* operator new[](size_t size) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   193
    return (void*)AllocateHeap(size, F);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   194
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   195
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   196
  ALWAYSINLINE void* operator new[](size_t size,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   197
                                  const NativeCallStack& stack) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   198
    return (void*)AllocateHeap(size, F, stack);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   199
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   200
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   201
  ALWAYSINLINE void* operator new[](size_t size, const std::nothrow_t&,
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   202
                                    const NativeCallStack& stack) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   203
    return (void*)AllocateHeap(size, F, stack, AllocFailStrategy::RETURN_NULL);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   204
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   205
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   206
  ALWAYSINLINE void* operator new[](size_t size, const std::nothrow_t&) throw() {
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   207
    return (void*)AllocateHeap(size, F, AllocFailStrategy::RETURN_NULL);
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   208
  }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   209
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   210
  void  operator delete(void* p)     { FreeHeap(p); }
4881673579b7 8199698: Change 8199275 breaks template instantiation for xlC (and potentially other compliers)
simonis
parents: 49392
diff changeset
   211
  void  operator delete [] (void* p) { FreeHeap(p); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   212
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   213
489c9b5090e2 Initial load
duke
parents:
diff changeset
   214
// Base class for objects allocated on the stack only.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   215
// Calling new or delete will result in fatal error.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   216
489c9b5090e2 Initial load
duke
parents:
diff changeset
   217
class StackObj ALLOCATION_SUPER_CLASS_SPEC {
14841
d069f5506f71 8004845: Catch incorrect usage of new and delete during compile time for value objects and stack objects
brutisso
parents: 14579
diff changeset
   218
 private:
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   219
  void* operator new(size_t size) throw();
22838
kvn
parents: 22828 19696
diff changeset
   220
  void* operator new [](size_t size) throw();
22827
07d991d45a51 8023033: PPC64 (part 13): basic changes for AIX
goetz
parents: 18686
diff changeset
   221
#ifdef __IBMCPP__
07d991d45a51 8023033: PPC64 (part 13): basic changes for AIX
goetz
parents: 18686
diff changeset
   222
 public:
07d991d45a51 8023033: PPC64 (part 13): basic changes for AIX
goetz
parents: 18686
diff changeset
   223
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   224
  void  operator delete(void* p);
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   225
  void  operator delete [](void* p);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   226
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   227
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   228
// Base class for objects stored in Metaspace.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   229
// Calling delete will result in fatal error.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   230
//
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   231
// Do not inherit from something with a vptr because this class does
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   232
// not introduce one.  This class is used to allocate both shared read-only
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   233
// and shared read-write classes.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   234
//
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   235
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   236
class ClassLoaderData;
46746
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   237
class MetaspaceClosure;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   238
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   239
class MetaspaceObj {
48794
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   240
  friend class MetaspaceShared;
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   241
  // When CDS is enabled, all shared metaspace objects are mapped
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   242
  // into a single contiguous memory block, so we can use these
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   243
  // two pointers to quickly determine if something is in the
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   244
  // shared metaspace.
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   245
  //
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   246
  // When CDS is not enabled, both pointers are set to NULL.
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   247
  static void* _shared_metaspace_base; // (inclusive) low address
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   248
  static void* _shared_metaspace_top;  // (exclusive) high address
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   249
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   250
 public:
22201
9c2ccfa3a5fe 8029178: Parallel class loading test anonymous-simple gets SIGSEGV in Metaspace::contains
coleenp
parents: 19696
diff changeset
   251
  bool is_metaspace_object() const;
48794
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   252
  bool is_shared() const {
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   253
    // If no shared metaspace regions are mapped, _shared_metaspace_{base,top} will
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   254
    // both be NULL and all values of p will be rejected quickly.
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   255
    return (((void*)this) < _shared_metaspace_top && ((void*)this) >= _shared_metaspace_base);
ea0d0781c63c 8178351: Simplify MetaspaceShared::is_in_shared_space and MetaspaceObj::is_shared
iklam
parents: 47574
diff changeset
   256
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   257
  void print_address_on(outputStream* st) const;  // nonvirtual address printing
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   258
17858
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   259
#define METASPACE_OBJ_TYPES_DO(f) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   260
  f(Class) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   261
  f(Symbol) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   262
  f(TypeArrayU1) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   263
  f(TypeArrayU2) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   264
  f(TypeArrayU4) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   265
  f(TypeArrayU8) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   266
  f(TypeArrayOther) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   267
  f(Method) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   268
  f(ConstMethod) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   269
  f(MethodData) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   270
  f(ConstantPool) \
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   271
  f(ConstantPoolCache) \
46746
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   272
  f(Annotations) \
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   273
  f(MethodCounters)
17858
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   274
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   275
#define METASPACE_OBJ_TYPE_DECLARE(name) name ## Type,
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   276
#define METASPACE_OBJ_TYPE_NAME_CASE(name) case name ## Type: return #name;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   277
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   278
  enum Type {
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   279
    // Types are MetaspaceObj::ClassType, MetaspaceObj::SymbolType, etc
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   280
    METASPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_DECLARE)
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   281
    _number_of_types
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   282
  };
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   283
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   284
  static const char * type_name(Type type) {
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   285
    switch(type) {
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   286
    METASPACE_OBJ_TYPES_DO(METASPACE_OBJ_TYPE_NAME_CASE)
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   287
    default:
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   288
      ShouldNotReachHere();
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   289
      return NULL;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   290
    }
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   291
  }
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   292
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   293
  static MetaspaceObj::Type array_type(size_t elem_size) {
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   294
    switch (elem_size) {
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   295
    case 1: return TypeArrayU1Type;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   296
    case 2: return TypeArrayU2Type;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   297
    case 4: return TypeArrayU4Type;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   298
    case 8: return TypeArrayU8Type;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   299
    default:
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   300
      return TypeArrayOtherType;
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   301
    }
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   302
  }
c292f8791cca 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 17376
diff changeset
   303
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   304
  void* operator new(size_t size, ClassLoaderData* loader_data,
46746
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   305
                     size_t word_size,
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   306
                     Type type, Thread* thread) throw();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   307
                     // can't use TRAPS from this header file.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   308
  void operator delete(void* p) { ShouldNotCallThis(); }
46746
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   309
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   310
  // Declare a *static* method with the same signature in any subclass of MetaspaceObj
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   311
  // that should be read-only by default. See symbol.hpp for an example. This function
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   312
  // is used by the templates in metaspaceClosure.hpp
ea379ebb9447 8072061: Automatically determine optimal sizes for the CDS regions
iklam
parents: 46704
diff changeset
   313
  static bool is_read_only_by_default() { return false; }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   314
};
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   315
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   316
// Base class for classes that constitute name spaces.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   317
46818
d0475215ae39 8186089: Move Arena to its own header file
hseigel
parents: 46746
diff changeset
   318
class Arena;
d0475215ae39 8186089: Move Arena to its own header file
hseigel
parents: 46746
diff changeset
   319
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   320
class AllStatic {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   321
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   322
  AllStatic()  { ShouldNotCallThis(); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   323
  ~AllStatic() { ShouldNotCallThis(); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   324
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   325
489c9b5090e2 Initial load
duke
parents:
diff changeset
   326
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   327
extern char* resource_allocate_bytes(size_t size,
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   328
    AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   329
extern char* resource_allocate_bytes(Thread* thread, size_t size,
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   330
    AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   331
extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size,
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   332
    AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   333
extern void resource_free_bytes( char *old, size_t size );
489c9b5090e2 Initial load
duke
parents:
diff changeset
   334
489c9b5090e2 Initial load
duke
parents:
diff changeset
   335
//----------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   336
// Base class for objects allocated in the resource area per default.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   337
// Optionally, objects may be allocated on the C heap with
489c9b5090e2 Initial load
duke
parents:
diff changeset
   338
// new(ResourceObj::C_HEAP) Foo(...) or in an Arena with new (&arena)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
// ResourceObj's can be allocated within other objects, but don't use
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
// new or delete (allocation_type is unknown).  If new is used to allocate,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
// use delete to deallocate.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
class ResourceObj ALLOCATION_SUPER_CLASS_SPEC {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
 public:
6180
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   344
  enum allocation_type { STACK_OR_EMBEDDED = 0, RESOURCE_AREA, C_HEAP, ARENA, allocation_mask = 0x3 };
6183
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
parents: 6180
diff changeset
   345
  static void set_allocation_type(address res, allocation_type type) NOT_DEBUG_RETURN;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   346
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   347
 private:
6180
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   348
  // When this object is allocated on stack the new() operator is not
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   349
  // called but garbage on stack may look like a valid allocation_type.
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   350
  // Store negated 'this' pointer when new() is called to distinguish cases.
7440
eabaf35910a1 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
kvn
parents: 7397
diff changeset
   351
  // Use second array's element for verification value to distinguish garbage.
eabaf35910a1 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
kvn
parents: 7397
diff changeset
   352
  uintptr_t _allocation_t[2];
eabaf35910a1 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
kvn
parents: 7397
diff changeset
   353
  bool is_type_set() const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   354
 public:
6183
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
parents: 6180
diff changeset
   355
  allocation_type get_allocation_type() const;
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
parents: 6180
diff changeset
   356
  bool allocated_on_stack()    const { return get_allocation_type() == STACK_OR_EMBEDDED; }
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
parents: 6180
diff changeset
   357
  bool allocated_on_res_area() const { return get_allocation_type() == RESOURCE_AREA; }
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
parents: 6180
diff changeset
   358
  bool allocated_on_C_heap()   const { return get_allocation_type() == C_HEAP; }
4c74cfe14f20 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
kvn
parents: 6180
diff changeset
   359
  bool allocated_on_arena()    const { return get_allocation_type() == ARENA; }
22551
9bf46d16dcc6 8025856: Fix typos in the GC code
jwilhelm
parents: 22201
diff changeset
   360
  ResourceObj(); // default constructor
9bf46d16dcc6 8025856: Fix typos in the GC code
jwilhelm
parents: 22201
diff changeset
   361
  ResourceObj(const ResourceObj& r); // default copy constructor
6180
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   362
  ResourceObj& operator=(const ResourceObj& r); // default copy assignment
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   363
  ~ResourceObj();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
#endif // ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
 public:
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   367
  void* operator new(size_t size, allocation_type type, MEMFLAGS flags) throw();
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   368
  void* operator new [](size_t size, allocation_type type, MEMFLAGS flags) throw();
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   369
  void* operator new(size_t size, const std::nothrow_t&  nothrow_constant,
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   370
      allocation_type type, MEMFLAGS flags) throw();
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   371
  void* operator new [](size_t size, const std::nothrow_t&  nothrow_constant,
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   372
      allocation_type type, MEMFLAGS flags) throw();
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   373
46818
d0475215ae39 8186089: Move Arena to its own header file
hseigel
parents: 46746
diff changeset
   374
  void* operator new(size_t size, Arena *arena) throw();
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   375
46818
d0475215ae39 8186089: Move Arena to its own header file
hseigel
parents: 46746
diff changeset
   376
  void* operator new [](size_t size, Arena *arena) throw();
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   377
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   378
  void* operator new(size_t size) throw() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
      address res = (address)resource_allocate_bytes(size);
6180
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   380
      DEBUG_ONLY(set_allocation_type(res, RESOURCE_AREA);)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
      return res;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
  }
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   383
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   384
  void* operator new(size_t size, const std::nothrow_t& nothrow_constant) throw() {
14083
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   385
      address res = (address)resource_allocate_bytes(size, AllocFailStrategy::RETURN_NULL);
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   386
      DEBUG_ONLY(if (res != NULL) set_allocation_type(res, RESOURCE_AREA);)
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   387
      return res;
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   388
  }
103054a71a30 8000617: It should be possible to allocate memory without the VM dying.
nloodin
parents: 13975
diff changeset
   389
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   390
  void* operator new [](size_t size) throw() {
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   391
      address res = (address)resource_allocate_bytes(size);
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   392
      DEBUG_ONLY(set_allocation_type(res, RESOURCE_AREA);)
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   393
      return res;
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   394
  }
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   395
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 19545
diff changeset
   396
  void* operator new [](size_t size, const std::nothrow_t& nothrow_constant) throw() {
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   397
      address res = (address)resource_allocate_bytes(size, AllocFailStrategy::RETURN_NULL);
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   398
      DEBUG_ONLY(if (res != NULL) set_allocation_type(res, RESOURCE_AREA);)
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   399
      return res;
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   400
  }
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   401
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
  void  operator delete(void* p);
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   403
  void  operator delete [](void* p);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
// One of the following macros must be used when allocating an array
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
// or object to determine whether it should reside in the C heap on in
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
// the resource area.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
#define NEW_RESOURCE_ARRAY(type, size)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  (type*) resource_allocate_bytes((size) * sizeof(type))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17032
diff changeset
   413
#define NEW_RESOURCE_ARRAY_RETURN_NULL(type, size)\
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17032
diff changeset
   414
  (type*) resource_allocate_bytes((size) * sizeof(type), AllocFailStrategy::RETURN_NULL)
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17032
diff changeset
   415
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
#define NEW_RESOURCE_ARRAY_IN_THREAD(thread, type, size)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  (type*) resource_allocate_bytes(thread, (size) * sizeof(type))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   419
#define NEW_RESOURCE_ARRAY_IN_THREAD_RETURN_NULL(thread, type, size)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   420
  (type*) resource_allocate_bytes(thread, (size) * sizeof(type), AllocFailStrategy::RETURN_NULL)
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   421
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
#define REALLOC_RESOURCE_ARRAY(type, old, old_size, new_size)\
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   423
  (type*) resource_reallocate_bytes((char*)(old), (old_size) * sizeof(type), (new_size) * sizeof(type))
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   424
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   425
#define REALLOC_RESOURCE_ARRAY_RETURN_NULL(type, old, old_size, new_size)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   426
  (type*) resource_reallocate_bytes((char*)(old), (old_size) * sizeof(type),\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   427
                                    (new_size) * sizeof(type), AllocFailStrategy::RETURN_NULL)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
#define FREE_RESOURCE_ARRAY(type, old, size)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  resource_free_bytes((char*)(old), (size) * sizeof(type))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
#define FREE_FAST(old)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
    /* nop */
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
#define NEW_RESOURCE_OBJ(type)\
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  NEW_RESOURCE_ARRAY(type, 1)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   438
#define NEW_RESOURCE_OBJ_RETURN_NULL(type)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   439
  NEW_RESOURCE_ARRAY_RETURN_NULL(type, 1)
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   440
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   441
#define NEW_C_HEAP_ARRAY3(type, size, memflags, pc, allocfail)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   442
  (type*) AllocateHeap((size) * sizeof(type), memflags, pc, allocfail)
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   443
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   444
#define NEW_C_HEAP_ARRAY2(type, size, memflags, pc)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   445
  (type*) (AllocateHeap((size) * sizeof(type), memflags, pc))
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   446
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   447
#define NEW_C_HEAP_ARRAY(type, size, memflags)\
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   448
  (type*) (AllocateHeap((size) * sizeof(type), memflags))
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   450
#define NEW_C_HEAP_ARRAY2_RETURN_NULL(type, size, memflags, pc)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   451
  NEW_C_HEAP_ARRAY3(type, (size), memflags, pc, AllocFailStrategy::RETURN_NULL)
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   452
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   453
#define NEW_C_HEAP_ARRAY_RETURN_NULL(type, size, memflags)\
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 23545
diff changeset
   454
  NEW_C_HEAP_ARRAY3(type, (size), memflags, CURRENT_PC, AllocFailStrategy::RETURN_NULL)
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   455
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   456
#define REALLOC_C_HEAP_ARRAY(type, old, size, memflags)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   457
  (type*) (ReallocateHeap((char*)(old), (size) * sizeof(type), memflags))
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10547
diff changeset
   458
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   459
#define REALLOC_C_HEAP_ARRAY_RETURN_NULL(type, old, size, memflags)\
19545
409c50cf1e5d 8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents: 18686
diff changeset
   460
  (type*) (ReallocateHeap((char*)(old), (size) * sizeof(type), memflags, AllocFailStrategy::RETURN_NULL))
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   461
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   462
#define FREE_C_HEAP_ARRAY(type, old) \
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   463
  FreeHeap((char*)(old))
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   465
// allocate type in heap without calling ctor
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   466
#define NEW_C_HEAP_OBJ(type, memflags)\
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   467
  NEW_C_HEAP_ARRAY(type, 1, memflags)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
18083
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   469
#define NEW_C_HEAP_OBJ_RETURN_NULL(type, memflags)\
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   470
  NEW_C_HEAP_ARRAY_RETURN_NULL(type, 1, memflags)
6424d03bb556 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp
mgronlun
parents: 18025
diff changeset
   471
17376
4ee999c3c007 8012902: remove use of global operator new - take 2
minqi
parents: 17081
diff changeset
   472
// deallocate obj of type in heap without calling dtor
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   473
#define FREE_C_HEAP_OBJ(objname)\
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26135
diff changeset
   474
  FreeHeap((char*)objname);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
// for statistics
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
class AllocStats : StackObj {
8320
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   479
  julong start_mallocs, start_frees;
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   480
  julong start_malloc_bytes, start_mfree_bytes, start_res_bytes;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
  AllocStats();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
8320
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   484
  julong num_mallocs();    // since creation of receiver
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   485
  julong alloc_bytes();
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   486
  julong num_frees();
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   487
  julong free_bytes();
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 7440
diff changeset
   488
  julong resource_bytes();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
  void   print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
//------------------------------ReallocMark---------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
// Code which uses REALLOC_RESOURCE_ARRAY should check an associated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
// ReallocMark, which is declared in the same scope as the reallocated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
// pointer.  Any operation that could __potentially__ cause a reallocation
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
// should check the ReallocMark.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
class ReallocMark: public StackObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  NOT_PRODUCT(int _nesting;)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
  ReallocMark()   PRODUCT_RETURN;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
  void check()    PRODUCT_RETURN;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
};
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
   507
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   508
// Helper class to allocate arrays that may become large.
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   509
// Uses the OS malloc for allocations smaller than ArrayAllocatorMallocLimit
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   510
// and uses mapped memory for larger allocations.
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   511
// Most OS mallocs do something similar but Solaris malloc does not revert
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   512
// to mapped memory for large allocations. By default ArrayAllocatorMallocLimit
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   513
// is set so that we always use malloc except for Solaris where we set the
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   514
// limit to get mapped memory.
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   515
template <class E>
37057
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   516
class ArrayAllocator : public AllStatic {
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   517
 private:
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   518
  static bool should_use_malloc(size_t length);
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   519
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   520
  static E* allocate_malloc(size_t length, MEMFLAGS flags);
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   521
  static E* allocate_mmap(size_t length, MEMFLAGS flags);
23545
2c14fb03a06d 8037959: BitMap::resize frees old map before copying memory if !in_resource_area
mgerdin
parents: 22876
diff changeset
   522
37057
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   523
  static void free_malloc(E* addr, size_t length);
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   524
  static void free_mmap(E* addr, size_t length);
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   525
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   526
 public:
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   527
  static E* allocate(size_t length, MEMFLAGS flags);
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   528
  static E* reallocate(E* old_addr, size_t old_length, size_t new_length, MEMFLAGS flags);
37057
03b3e1870228 8151436: Leaner ArrayAllocator and BitMaps
stefank
parents: 33097
diff changeset
   529
  static void free(E* addr, size_t length);
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   530
};
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 15452
diff changeset
   531
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   532
// Uses mmaped memory for all allocations. All allocations are initially
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   533
// zero-filled. No pre-touching.
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   534
template <class E>
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   535
class MmapArrayAllocator : public AllStatic {
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   536
 private:
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   537
  static size_t size_for(size_t length);
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   538
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   539
 public:
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   540
  static E* allocate_or_null(size_t length, MEMFLAGS flags);
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   541
  static E* allocate(size_t length, MEMFLAGS flags);
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   542
  static void free(E* addr, size_t length);
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   543
};
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   544
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   545
// Uses malloc:ed memory for all allocations.
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   546
template <class E>
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   547
class MallocArrayAllocator : public AllStatic {
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   548
 public:
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   549
  static size_t size_for(size_t length);
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   550
46704
211b3f6b75ef 8182169: ArrayAllocator should take MEMFLAGS as regular parameter
kbarrett
parents: 46625
diff changeset
   551
  static E* allocate(size_t length, MEMFLAGS flags);
49590
66c32f2a7f10 8200111: MallocArrayAllocator::free should not take a length parameter
stefank
parents: 49465
diff changeset
   552
  static void free(E* addr);
37096
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   553
};
42437cf54027 8151534: Refactor ArrayAllocator for easier reuse
stefank
parents: 37092
diff changeset
   554
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6762
diff changeset
   555
#endif // SHARE_VM_MEMORY_ALLOCATION_HPP