allocation.inline.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 1997, 2010, 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#ifndef SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
26#define SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
27
28#include "runtime/os.hpp"
29
30// Explicit C-heap memory management
31
32void trace_heap_malloc(size_t size, const char* name, void *p);
33void trace_heap_free(void *p);
34
35
36// allocate using malloc; will fail if no memory available
37inline char* AllocateHeap(size_t size, const char* name = NULL) {
38  char* p = (char*) os::malloc(size);
39  #ifdef ASSERT
40  if (PrintMallocFree) trace_heap_malloc(size, name, p);
41  #else
42  Unused_Variable(name);
43  #endif
44  if (p == NULL) vm_exit_out_of_memory(size, name);
45  return p;
46}
47
48inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) {
49  char* p = (char*) os::realloc(old,size);
50  #ifdef ASSERT
51  if (PrintMallocFree) trace_heap_malloc(size, name, p);
52  #else
53  Unused_Variable(name);
54  #endif
55  if (p == NULL) vm_exit_out_of_memory(size, name);
56  return p;
57}
58
59inline void FreeHeap(void* p) {
60  #ifdef ASSERT
61  if (PrintMallocFree) trace_heap_free(p);
62  #endif
63  os::free(p);
64}
65
66#endif // SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
67