Tue, 11 May 2010 14:35:43 -0700
6931180: Migration to recent versions of MS Platform SDK
6951582: Build problems on win64
Summary: Changes to enable building JDK7 with Microsoft Visual Studio 2010
Reviewed-by: ohair, art, ccheung, dcubed
duke@435 | 1 | /* |
xdono@631 | 2 | * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // All heaps contains a "permanent generation," containing permanent |
duke@435 | 26 | // (reflective) objects. This is like a regular generation in some ways, |
duke@435 | 27 | // but unlike one in others, and so is split apart. |
duke@435 | 28 | |
duke@435 | 29 | class Generation; |
duke@435 | 30 | class GenRemSet; |
duke@435 | 31 | class CSpaceCounters; |
duke@435 | 32 | |
duke@435 | 33 | // PermGen models the part of the heap |
duke@435 | 34 | |
duke@435 | 35 | class PermGen : public CHeapObj { |
duke@435 | 36 | friend class VMStructs; |
duke@435 | 37 | protected: |
duke@435 | 38 | size_t _capacity_expansion_limit; // maximum expansion allowed without a |
twisti@1040 | 39 | // full gc occurring |
duke@435 | 40 | |
apetrusenko@574 | 41 | HeapWord* mem_allocate_in_gen(size_t size, Generation* gen); |
apetrusenko@574 | 42 | |
duke@435 | 43 | public: |
duke@435 | 44 | enum Name { |
duke@435 | 45 | MarkSweepCompact, MarkSweep, ConcurrentMarkSweep |
duke@435 | 46 | }; |
duke@435 | 47 | |
duke@435 | 48 | // Permanent allocation (initialized) |
duke@435 | 49 | virtual HeapWord* mem_allocate(size_t size) = 0; |
duke@435 | 50 | |
duke@435 | 51 | // Mark sweep support |
duke@435 | 52 | virtual void compute_new_size() = 0; |
duke@435 | 53 | |
duke@435 | 54 | // Ideally, we would use MI (IMHO) but we'll do delegation instead. |
duke@435 | 55 | virtual Generation* as_gen() const = 0; |
duke@435 | 56 | |
duke@435 | 57 | virtual void oop_iterate(OopClosure* cl) { |
duke@435 | 58 | Generation* g = as_gen(); |
duke@435 | 59 | assert(g != NULL, "as_gen() NULL"); |
duke@435 | 60 | g->oop_iterate(cl); |
duke@435 | 61 | } |
duke@435 | 62 | |
duke@435 | 63 | virtual void object_iterate(ObjectClosure* cl) { |
duke@435 | 64 | Generation* g = as_gen(); |
duke@435 | 65 | assert(g != NULL, "as_gen() NULL"); |
duke@435 | 66 | g->object_iterate(cl); |
duke@435 | 67 | } |
duke@435 | 68 | |
duke@435 | 69 | // Performance Counter support |
duke@435 | 70 | virtual void update_counters() { |
duke@435 | 71 | Generation* g = as_gen(); |
duke@435 | 72 | assert(g != NULL, "as_gen() NULL"); |
duke@435 | 73 | g->update_counters(); |
duke@435 | 74 | } |
duke@435 | 75 | }; |