hotspot/src/share/vm/memory/resourceArea.cpp
author ysr
Tue, 01 Jul 2008 11:59:44 -0700
changeset 1383 3a216aa862b7
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
Merge
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
489c9b5090e2 Initial load
duke
parents:
diff changeset
     2
 * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
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
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
489c9b5090e2 Initial load
duke
parents:
diff changeset
    25
# include "incls/_precompiled.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
# include "incls/_resourceArea.cpp.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
//------------------------------ResourceMark-----------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
// The following routines are declared in allocation.hpp and used everywhere:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
// Allocation in thread-local resource area
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
extern char* resource_allocate_bytes(size_t size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
  return Thread::current()->resource_area()->allocate_bytes(size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
extern char* resource_allocate_bytes(Thread* thread, size_t size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
  return thread->resource_area()->allocate_bytes(size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
  return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
extern void resource_free_bytes( char *old, size_t size ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
  Thread::current()->resource_area()->Afree(old, size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
ResourceMark::ResourceMark(Thread *thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
  assert(thread == Thread::current(), "not the current thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
  initialize(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
DeoptResourceMark::DeoptResourceMark(Thread *thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
  assert(thread == Thread::current(), "not the current thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
  initialize(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    59
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
    60
489c9b5090e2 Initial load
duke
parents:
diff changeset
    61
489c9b5090e2 Initial load
duke
parents:
diff changeset
    62
//-------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    63
// Non-product code
489c9b5090e2 Initial load
duke
parents:
diff changeset
    64
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    65
489c9b5090e2 Initial load
duke
parents:
diff changeset
    66
void ResourceMark::free_malloced_objects() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    67
  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    68
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    69
489c9b5090e2 Initial load
duke
parents:
diff changeset
    70
void DeoptResourceMark::free_malloced_objects() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    71
  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    72
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    73
489c9b5090e2 Initial load
duke
parents:
diff changeset
    74
#endif