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 // A "SharedHeap" is an implementation of a java heap for HotSpot. This
26 // is an abstract class: there may be many different kinds of heaps. This
27 // class defines the functions that a heap must implement, and contains
28 // infrastructure common to all heaps.
29
30 class PermGen;
31 class Generation;
32 class BarrierSet;
33 class GenRemSet;
34 class Space;
35 class SpaceClosure;
36 class OopClosure;
37 class OopsInGenClosure;
38 class ObjectClosure;
39 class SubTasksDone;
40 class WorkGang;
41 class FlexibleWorkGang;
42 class CollectorPolicy;
43 class KlassHandle;
44
268 assert(perm_gen(), "NULL perm gen");
269 return _perm_gen->mem_allocate(size);
270 }
271
272 void permanent_oop_iterate(OopClosure* cl) {
273 assert(perm_gen(), "NULL perm gen");
274 _perm_gen->oop_iterate(cl);
275 }
276
277 void permanent_object_iterate(ObjectClosure* cl) {
278 assert(perm_gen(), "NULL perm gen");
279 _perm_gen->object_iterate(cl);
280 }
281
282 // Some utilities.
283 void print_size_transition(outputStream* out,
284 size_t bytes_before,
285 size_t bytes_after,
286 size_t capacity);
287 };
|
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_SHAREDHEAP_HPP
26 #define SHARE_VM_MEMORY_SHAREDHEAP_HPP
27
28 #include "gc_interface/collectedHeap.hpp"
29 #include "memory/generation.hpp"
30 #include "memory/permGen.hpp"
31
32 // A "SharedHeap" is an implementation of a java heap for HotSpot. This
33 // is an abstract class: there may be many different kinds of heaps. This
34 // class defines the functions that a heap must implement, and contains
35 // infrastructure common to all heaps.
36
37 class PermGen;
38 class Generation;
39 class BarrierSet;
40 class GenRemSet;
41 class Space;
42 class SpaceClosure;
43 class OopClosure;
44 class OopsInGenClosure;
45 class ObjectClosure;
46 class SubTasksDone;
47 class WorkGang;
48 class FlexibleWorkGang;
49 class CollectorPolicy;
50 class KlassHandle;
51
275 assert(perm_gen(), "NULL perm gen");
276 return _perm_gen->mem_allocate(size);
277 }
278
279 void permanent_oop_iterate(OopClosure* cl) {
280 assert(perm_gen(), "NULL perm gen");
281 _perm_gen->oop_iterate(cl);
282 }
283
284 void permanent_object_iterate(ObjectClosure* cl) {
285 assert(perm_gen(), "NULL perm gen");
286 _perm_gen->object_iterate(cl);
287 }
288
289 // Some utilities.
290 void print_size_transition(outputStream* out,
291 size_t bytes_before,
292 size_t bytes_after,
293 size_t capacity);
294 };
295
296 #endif // SHARE_VM_MEMORY_SHAREDHEAP_HPP
|