Mercurial > hg > truffle
annotate src/share/vm/prims/jvmtiTagMap.hpp @ 8870:cd9ad42dfde0
Merge
| author | bharadwaj |
|---|---|
| date | Fri, 29 Mar 2013 20:52:01 -0700 |
| parents | 8b46b0196eb0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 7951 | 2 * Copyright (c) 2003, 2013, 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 | |
| 25 // JvmtiTagMap | |
| 26 | |
| 1972 | 27 #ifndef SHARE_VM_PRIMS_JVMTITAGMAP_HPP |
| 28 #define SHARE_VM_PRIMS_JVMTITAGMAP_HPP | |
| 29 | |
| 30 #include "gc_interface/collectedHeap.hpp" | |
| 31 #include "jvmtifiles/jvmti.h" | |
| 32 #include "jvmtifiles/jvmtiEnv.hpp" | |
| 33 #include "memory/allocation.hpp" | |
| 34 #include "memory/genCollectedHeap.hpp" | |
| 35 #include "memory/universe.hpp" | |
| 0 | 36 |
| 37 // forward references | |
| 38 class JvmtiTagHashmap; | |
| 39 class JvmtiTagHashmapEntry; | |
| 40 class JvmtiTagHashmapEntryClosure; | |
| 41 | |
| 6197 | 42 class JvmtiTagMap : public CHeapObj<mtInternal> { |
| 0 | 43 private: |
| 44 | |
| 45 enum{ | |
|
2125
7246a374a9f2
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
1972
diff
changeset
|
46 max_free_entries = 4096 // maximum number of free entries per env |
| 0 | 47 }; |
| 48 | |
| 49 JvmtiEnv* _env; // the jvmti environment | |
| 50 Mutex _lock; // lock for this tag map | |
|
2125
7246a374a9f2
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
1972
diff
changeset
|
51 JvmtiTagHashmap* _hashmap; // the hashmap |
| 0 | 52 |
| 53 JvmtiTagHashmapEntry* _free_entries; // free list for this environment | |
| 54 int _free_entries_count; // number of entries on the free list | |
| 55 | |
| 56 // create a tag map | |
| 57 JvmtiTagMap(JvmtiEnv* env); | |
| 58 | |
| 59 // accessors | |
| 60 inline Mutex* lock() { return &_lock; } | |
| 61 inline JvmtiEnv* env() const { return _env; } | |
| 62 | |
|
2125
7246a374a9f2
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
1972
diff
changeset
|
63 void do_weak_oops(BoolObjectClosure* is_alive, OopClosure* f); |
| 0 | 64 |
| 65 // iterate over all entries in this tag map | |
| 66 void entry_iterate(JvmtiTagHashmapEntryClosure* closure); | |
| 67 | |
| 68 public: | |
| 69 | |
| 70 // indicates if this tag map is locked | |
| 71 bool is_locked() { return lock()->is_locked(); } | |
| 72 | |
|
2125
7246a374a9f2
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
1972
diff
changeset
|
73 JvmtiTagHashmap* hashmap() { return _hashmap; } |
| 0 | 74 |
| 75 // create/destroy entries | |
|
2125
7246a374a9f2
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
1972
diff
changeset
|
76 JvmtiTagHashmapEntry* create_entry(oop ref, jlong tag); |
| 0 | 77 void destroy_entry(JvmtiTagHashmapEntry* entry); |
| 78 | |
| 79 // returns true if the hashmaps are empty | |
| 80 bool is_empty(); | |
| 81 | |
| 82 // return tag for the given environment | |
| 83 static JvmtiTagMap* tag_map_for(JvmtiEnv* env); | |
| 84 | |
| 85 // destroy tag map | |
| 86 ~JvmtiTagMap(); | |
| 87 | |
| 88 // set/get tag | |
| 89 void set_tag(jobject obj, jlong tag); | |
| 90 jlong get_tag(jobject obj); | |
| 91 | |
| 92 // deprecated heap iteration functions | |
| 93 void iterate_over_heap(jvmtiHeapObjectFilter object_filter, | |
| 94 KlassHandle klass, | |
| 95 jvmtiHeapObjectCallback heap_object_callback, | |
| 96 const void* user_data); | |
| 97 | |
| 98 void iterate_over_reachable_objects(jvmtiHeapRootCallback heap_root_callback, | |
| 99 jvmtiStackReferenceCallback stack_ref_callback, | |
| 100 jvmtiObjectReferenceCallback object_ref_callback, | |
| 101 const void* user_data); | |
| 102 | |
| 103 void iterate_over_objects_reachable_from_object(jobject object, | |
| 104 jvmtiObjectReferenceCallback object_reference_callback, | |
| 105 const void* user_data); | |
| 106 | |
| 107 | |
| 108 // advanced (JVMTI 1.1) heap iteration functions | |
| 109 void iterate_through_heap(jint heap_filter, | |
| 110 KlassHandle klass, | |
| 111 const jvmtiHeapCallbacks* callbacks, | |
| 112 const void* user_data); | |
| 113 | |
| 114 void follow_references(jint heap_filter, | |
| 115 KlassHandle klass, | |
| 116 jobject initial_object, | |
| 117 const jvmtiHeapCallbacks* callbacks, | |
| 118 const void* user_data); | |
| 119 | |
| 120 // get tagged objects | |
| 121 jvmtiError get_objects_with_tags(const jlong* tags, jint count, | |
| 122 jint* count_ptr, jobject** object_result_ptr, | |
| 123 jlong** tag_result_ptr); | |
| 124 | |
|
2125
7246a374a9f2
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
1972
diff
changeset
|
125 static void weak_oops_do( |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6197
diff
changeset
|
126 BoolObjectClosure* is_alive, OopClosure* f) NOT_JVMTI_RETURN; |
| 0 | 127 }; |
| 128 | |
| 1972 | 129 #endif // SHARE_VM_PRIMS_JVMTITAGMAP_HPP |