Tue, 24 Jul 2012 10:51:00 -0700
7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
1 /*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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 *
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 */
25 #ifndef SHARE_VM_SERVICES_MEMORYSERVICE_HPP
26 #define SHARE_VM_SERVICES_MEMORYSERVICE_HPP
28 #include "memory/allocation.hpp"
29 #include "memory/generation.hpp"
30 #include "runtime/handles.hpp"
31 #include "services/memoryUsage.hpp"
32 #include "gc_interface/gcCause.hpp"
34 // Forward declaration
35 class MemoryPool;
36 class MemoryManager;
37 class GCMemoryManager;
38 class CollectedHeap;
39 class Generation;
40 class DefNewGeneration;
41 class PSYoungGen;
42 class PSOldGen;
43 class PSPermGen;
44 class CodeHeap;
45 class ContiguousSpace;
46 class CompactibleFreeListSpace;
47 class PermanentGenerationSpec;
48 class GenCollectedHeap;
49 class ParallelScavengeHeap;
50 class CompactingPermGenGen;
51 class CMSPermGenGen;
52 class G1CollectedHeap;
54 // VM Monitoring and Management Support
56 class MemoryService : public AllStatic {
57 private:
58 enum {
59 init_pools_list_size = 10,
60 init_managers_list_size = 5
61 };
63 // index for minor and major generations
64 enum {
65 minor = 0,
66 major = 1,
67 n_gens = 2
68 };
70 static GrowableArray<MemoryPool*>* _pools_list;
71 static GrowableArray<MemoryManager*>* _managers_list;
73 // memory managers for minor and major GC statistics
74 static GCMemoryManager* _major_gc_manager;
75 static GCMemoryManager* _minor_gc_manager;
77 // Code heap memory pool
78 static MemoryPool* _code_heap_pool;
80 static void add_generation_memory_pool(Generation* gen,
81 MemoryManager* major_mgr,
82 MemoryManager* minor_mgr);
83 static void add_generation_memory_pool(Generation* gen,
84 MemoryManager* major_mgr) {
85 add_generation_memory_pool(gen, major_mgr, NULL);
86 }
88 static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen,
89 MemoryManager* mgr);
90 static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen,
91 MemoryManager* mgr);
93 static void add_psYoung_memory_pool(PSYoungGen* gen,
94 MemoryManager* major_mgr,
95 MemoryManager* minor_mgr);
96 static void add_psOld_memory_pool(PSOldGen* gen,
97 MemoryManager* mgr);
98 static void add_psPerm_memory_pool(PSPermGen* perm,
99 MemoryManager* mgr);
101 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
102 MemoryManager* major_mgr,
103 MemoryManager* minor_mgr);
104 static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
105 MemoryManager* mgr);
106 static void add_g1PermGen_memory_pool(G1CollectedHeap* g1h,
107 MemoryManager* mgr);
109 static MemoryPool* add_space(ContiguousSpace* space,
110 const char* name,
111 bool is_heap,
112 size_t max_size,
113 bool support_usage_threshold);
114 static MemoryPool* add_survivor_spaces(DefNewGeneration* gen,
115 const char* name,
116 bool is_heap,
117 size_t max_size,
118 bool support_usage_threshold);
119 static MemoryPool* add_gen(Generation* gen,
120 const char* name,
121 bool is_heap,
122 bool support_usage_threshold);
123 static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
124 const char* name,
125 bool is_heap,
126 size_t max_size,
127 bool support_usage_threshold);
129 static void add_gen_collected_heap_info(GenCollectedHeap* heap);
130 static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
131 static void add_g1_heap_info(G1CollectedHeap* g1h);
133 public:
134 static void set_universe_heap(CollectedHeap* heap);
135 static void add_code_heap_memory_pool(CodeHeap* heap);
137 static MemoryPool* get_memory_pool(instanceHandle pool);
138 static MemoryManager* get_memory_manager(instanceHandle mgr);
140 static const int num_memory_pools() {
141 return _pools_list->length();
142 }
143 static const int num_memory_managers() {
144 return _managers_list->length();
145 }
147 static MemoryPool* get_memory_pool(int index) {
148 return _pools_list->at(index);
149 }
151 static MemoryManager* get_memory_manager(int index) {
152 return _managers_list->at(index);
153 }
155 static void track_memory_usage();
156 static void track_code_cache_memory_usage() {
157 track_memory_pool_usage(_code_heap_pool);
158 }
159 static void track_memory_pool_usage(MemoryPool* pool);
161 static void gc_begin(bool fullGC, bool recordGCBeginTime,
162 bool recordAccumulatedGCTime,
163 bool recordPreGCUsage, bool recordPeakUsage);
164 static void gc_end(bool fullGC, bool recordPostGCUsage,
165 bool recordAccumulatedGCTime,
166 bool recordGCEndTime, bool countCollection,
167 GCCause::Cause cause);
170 static void oops_do(OopClosure* f);
172 static bool get_verbose() { return PrintGC; }
173 static bool set_verbose(bool verbose);
175 // Create an instance of java/lang/management/MemoryUsage
176 static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
178 static const GCMemoryManager* get_minor_gc_manager() {
179 return _minor_gc_manager;
180 }
182 static const GCMemoryManager* get_major_gc_manager() {
183 return _major_gc_manager;
184 }
185 };
187 class TraceMemoryManagerStats : public StackObj {
188 private:
189 bool _fullGC;
190 bool _recordGCBeginTime;
191 bool _recordPreGCUsage;
192 bool _recordPeakUsage;
193 bool _recordPostGCUsage;
194 bool _recordAccumulatedGCTime;
195 bool _recordGCEndTime;
196 bool _countCollection;
197 GCCause::Cause _cause;
198 public:
199 TraceMemoryManagerStats() {}
200 TraceMemoryManagerStats(bool fullGC,
201 GCCause::Cause cause,
202 bool recordGCBeginTime = true,
203 bool recordPreGCUsage = true,
204 bool recordPeakUsage = true,
205 bool recordPostGCUsage = true,
206 bool recordAccumulatedGCTime = true,
207 bool recordGCEndTime = true,
208 bool countCollection = true);
210 void initialize(bool fullGC,
211 GCCause::Cause cause,
212 bool recordGCBeginTime,
213 bool recordPreGCUsage,
214 bool recordPeakUsage,
215 bool recordPostGCUsage,
216 bool recordAccumulatedGCTime,
217 bool recordGCEndTime,
218 bool countCollection);
220 TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause);
221 ~TraceMemoryManagerStats();
222 };
224 #endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP