60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
|
/*
|
||
|
|
* Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
|
||
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||
|
|
*
|
||
|
|
* This code is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License version 2 only, as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
||
|
|
* accompanied this code).
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License version
|
||
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
||
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
*
|
||
|
|
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
||
|
|
* CA 95054 USA or visit www.sun.com if you need additional information or
|
||
|
|
* have any questions.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
// Explicit C-heap memory management
|
||
|
|
|
||
|
|
void trace_heap_malloc(size_t size, const char* name, void *p);
|
||
|
|
void trace_heap_free(void *p);
|
||
|
|
|
||
|
|
|
||
|
|
// allocate using malloc; will fail if no memory available
|
||
|
|
inline char* AllocateHeap(size_t size, const char* name = NULL) {
|
||
|
|
char* p = (char*) os::malloc(size);
|
||
|
|
#ifdef ASSERT
|
||
|
|
if (PrintMallocFree) trace_heap_malloc(size, name, p);
|
||
|
|
#else
|
||
|
|
Unused_Variable(name);
|
||
|
|
#endif
|
||
|
|
if (p == NULL) vm_exit_out_of_memory(size, name);
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) {
|
||
|
|
char* p = (char*) os::realloc(old,size);
|
||
|
|
#ifdef ASSERT
|
||
|
|
if (PrintMallocFree) trace_heap_malloc(size, name, p);
|
||
|
|
#else
|
||
|
|
Unused_Variable(name);
|
||
|
|
#endif
|
||
|
|
if (p == NULL) vm_exit_out_of_memory(size, name);
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void FreeHeap(void* p) {
|
||
|
|
#ifdef ASSERT
|
||
|
|
if (PrintMallocFree) trace_heap_free(p);
|
||
|
|
#endif
|
||
|
|
os::free(p);
|
||
|
|
}
|