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1 /*
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2 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // Explicit C-heap memory management
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26
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27 void trace_heap_malloc(size_t size, const char* name, void *p);
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28 void trace_heap_free(void *p);
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29
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30
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31 // allocate using malloc; will fail if no memory available
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32 inline char* AllocateHeap(size_t size, const char* name = NULL) {
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33 char* p = (char*) os::malloc(size);
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34 #ifdef ASSERT
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35 if (PrintMallocFree) trace_heap_malloc(size, name, p);
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36 #else
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37 Unused_Variable(name);
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38 #endif
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39 if (p == NULL) vm_exit_out_of_memory(size, name);
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40 return p;
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41 }
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42
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43 inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) {
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44 char* p = (char*) os::realloc(old,size);
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45 #ifdef ASSERT
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46 if (PrintMallocFree) trace_heap_malloc(size, name, p);
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47 #else
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48 Unused_Variable(name);
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49 #endif
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50 if (p == NULL) vm_exit_out_of_memory(size, name);
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51 return p;
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52 }
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53
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54 inline void FreeHeap(void* p) {
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55 #ifdef ASSERT
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56 if (PrintMallocFree) trace_heap_free(p);
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57 #endif
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58 os::free(p);
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59 }
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