Mercurial > hg > truffle
annotate src/share/vm/memory/allocation.inline.hpp @ 6182:765ee2d1674b
7157365: jruby/bench.bench_timeout crashes with JVM internal error
Reviewed-by: jrose, kvn
| author | twisti |
|---|---|
| date | Mon, 18 Jun 2012 15:17:30 -0700 |
| parents | bf29934d2f4f |
| children | d2a62e0f25eb |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2250 | 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP |
| 26 #define SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP | |
| 27 | |
| 28 #include "runtime/os.hpp" | |
| 29 | |
| 0 | 30 // Explicit C-heap memory management |
| 31 | |
| 32 void trace_heap_malloc(size_t size, const char* name, void *p); | |
| 33 void trace_heap_free(void *p); | |
| 34 | |
| 2255 | 35 #ifndef PRODUCT |
| 2250 | 36 // Increments unsigned long value for statistics (not atomic on MP). |
| 37 inline void inc_stat_counter(volatile julong* dest, julong add_value) { | |
| 2255 | 38 #if defined(SPARC) || defined(X86) |
| 39 // Sparc and X86 have atomic jlong (8 bytes) instructions | |
| 2250 | 40 julong value = Atomic::load((volatile jlong*)dest); |
| 41 value += add_value; | |
| 42 Atomic::store((jlong)value, (volatile jlong*)dest); | |
| 2255 | 43 #else |
| 44 // possible word-tearing during load/store | |
| 45 *dest += add_value; | |
| 46 #endif | |
| 2250 | 47 } |
| 2255 | 48 #endif |
| 0 | 49 |
| 50 // allocate using malloc; will fail if no memory available | |
| 51 inline char* AllocateHeap(size_t size, const char* name = NULL) { | |
| 52 char* p = (char*) os::malloc(size); | |
| 53 #ifdef ASSERT | |
| 54 if (PrintMallocFree) trace_heap_malloc(size, name, p); | |
| 55 #else | |
| 56 Unused_Variable(name); | |
| 57 #endif | |
| 58 if (p == NULL) vm_exit_out_of_memory(size, name); | |
| 59 return p; | |
| 60 } | |
| 61 | |
| 62 inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) { | |
| 63 char* p = (char*) os::realloc(old,size); | |
| 64 #ifdef ASSERT | |
| 65 if (PrintMallocFree) trace_heap_malloc(size, name, p); | |
| 66 #else | |
| 67 Unused_Variable(name); | |
| 68 #endif | |
| 69 if (p == NULL) vm_exit_out_of_memory(size, name); | |
| 70 return p; | |
| 71 } | |
| 72 | |
| 73 inline void FreeHeap(void* p) { | |
| 74 #ifdef ASSERT | |
| 75 if (PrintMallocFree) trace_heap_free(p); | |
| 76 #endif | |
| 77 os::free(p); | |
| 78 } | |
| 1972 | 79 |
| 80 #endif // SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP |