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annotate src/share/vm/oops/methodDataKlass.cpp @ 4979:18a5539bf19b
More diff vs hsx24 optimizations.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Mon, 27 Feb 2012 21:43:51 +0100 |
| parents | 59d3d0b80975 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2227 | 2 * Copyright (c) 2000, 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "gc_implementation/shared/markSweep.inline.hpp" | |
| 27 #include "gc_interface/collectedHeap.inline.hpp" | |
| 28 #include "memory/gcLocker.hpp" | |
| 29 #include "memory/resourceArea.hpp" | |
| 30 #include "memory/universe.inline.hpp" | |
| 31 #include "oops/klassOop.hpp" | |
| 32 #include "oops/methodDataKlass.hpp" | |
| 33 #include "oops/methodDataOop.hpp" | |
| 34 #include "oops/oop.inline.hpp" | |
| 35 #include "oops/oop.inline2.hpp" | |
| 36 #include "runtime/handles.inline.hpp" | |
| 37 #ifndef SERIALGC | |
| 38 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
| 39 #include "oops/oop.pcgc.inline.hpp" | |
| 40 #endif | |
| 0 | 41 |
| 42 klassOop methodDataKlass::create_klass(TRAPS) { | |
| 43 methodDataKlass o; | |
| 44 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); | |
| 45 KlassHandle k = base_create_klass(h_this_klass, header_size(), | |
| 46 o.vtbl_value(), CHECK_NULL); | |
| 47 // Make sure size calculation is right | |
| 48 assert(k()->size() == align_object_size(header_size()), | |
| 49 "wrong size for object"); | |
| 50 return k(); | |
| 51 } | |
| 52 | |
| 53 | |
| 54 int methodDataKlass::oop_size(oop obj) const { | |
| 55 assert(obj->is_methodData(), "must be method data oop"); | |
| 56 return methodDataOop(obj)->object_size(); | |
| 57 } | |
| 58 | |
| 59 | |
| 60 bool methodDataKlass::oop_is_parsable(oop obj) const { | |
| 61 assert(obj->is_methodData(), "must be method data oop"); | |
| 62 return methodDataOop(obj)->object_is_parsable(); | |
| 63 } | |
| 64 | |
| 65 | |
| 66 methodDataOop methodDataKlass::allocate(methodHandle method, TRAPS) { | |
| 67 int size = methodDataOopDesc::compute_allocation_size_in_words(method); | |
| 68 KlassHandle h_k(THREAD, as_klassOop()); | |
| 69 methodDataOop mdo = | |
| 70 (methodDataOop)CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); | |
| 71 assert(!mdo->is_parsable(), "not expecting parsability yet."); | |
| 72 No_Safepoint_Verifier no_safepoint; // init function atomic wrt GC | |
| 73 mdo->initialize(method); | |
| 74 | |
| 75 assert(mdo->is_parsable(), "should be parsable here."); | |
| 76 assert(size == mdo->object_size(), "wrong size for methodDataOop"); | |
| 77 return mdo; | |
| 78 } | |
| 79 | |
| 80 | |
| 81 void methodDataKlass::oop_follow_contents(oop obj) { | |
| 82 assert (obj->is_methodData(), "object must be method data"); | |
| 83 methodDataOop m = methodDataOop(obj); | |
| 84 | |
| 85 obj->follow_header(); | |
| 86 MarkSweep::mark_and_push(m->adr_method()); | |
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87 #ifdef GRAAL |
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88 MarkSweep::mark_and_push(m->adr_graal_mirror()); |
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89 #endif |
| 0 | 90 ResourceMark rm; |
| 91 for (ProfileData* data = m->first_data(); | |
| 92 m->is_valid(data); | |
| 93 data = m->next_data(data)) { | |
| 94 data->follow_contents(); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 #ifndef SERIALGC | |
| 99 void methodDataKlass::oop_follow_contents(ParCompactionManager* cm, | |
| 100 oop obj) { | |
| 101 assert (obj->is_methodData(), "object must be method data"); | |
| 102 methodDataOop m = methodDataOop(obj); | |
| 103 | |
| 104 obj->follow_header(cm); | |
| 105 PSParallelCompact::mark_and_push(cm, m->adr_method()); | |
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106 #ifdef GRAAL |
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107 PSParallelCompact::mark_and_push(cm, m->adr_graal_mirror()); |
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108 #endif |
| 0 | 109 ResourceMark rm; |
| 110 for (ProfileData* data = m->first_data(); | |
| 111 m->is_valid(data); | |
| 112 data = m->next_data(data)) { | |
| 113 data->follow_contents(cm); | |
| 114 } | |
| 115 } | |
| 116 #endif // SERIALGC | |
| 117 | |
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118 |
| 0 | 119 int methodDataKlass::oop_oop_iterate(oop obj, OopClosure* blk) { |
| 120 assert (obj->is_methodData(), "object must be method data"); | |
| 121 methodDataOop m = methodDataOop(obj); | |
| 122 // Get size before changing pointers | |
| 123 // Don't call size() or oop_size() since that is a virtual call. | |
| 124 int size = m->object_size(); | |
| 125 | |
| 126 obj->oop_iterate_header(blk); | |
| 127 blk->do_oop(m->adr_method()); | |
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128 #ifdef GRAAL |
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129 blk->do_oop(m->adr_graal_mirror()); |
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130 #endif |
| 0 | 131 ResourceMark rm; |
| 132 for (ProfileData* data = m->first_data(); | |
| 133 m->is_valid(data); | |
| 134 data = m->next_data(data)) { | |
| 135 data->oop_iterate(blk); | |
| 136 } | |
| 137 return size; | |
| 138 } | |
| 139 | |
| 140 int methodDataKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { | |
| 141 assert (obj->is_methodData(), "object must be method data"); | |
| 142 methodDataOop m = methodDataOop(obj); | |
| 143 // Get size before changing pointers | |
| 144 // Don't call size() or oop_size() since that is a virtual call. | |
| 145 int size = m->object_size(); | |
| 146 | |
| 147 obj->oop_iterate_header(blk, mr); | |
| 148 oop* adr = m->adr_method(); | |
| 149 if (mr.contains(adr)) { | |
| 150 blk->do_oop(m->adr_method()); | |
| 151 } | |
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152 #ifdef GRAAL |
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153 adr = m->adr_graal_mirror(); |
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154 if(mr.contains(adr)) { |
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155 blk->do_oop(m->adr_graal_mirror()); |
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156 } |
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157 #endif |
| 0 | 158 ResourceMark rm; |
| 159 for (ProfileData* data = m->first_data(); | |
| 160 m->is_valid(data); | |
| 161 data = m->next_data(data)) { | |
| 162 data->oop_iterate_m(blk, mr); | |
| 163 } | |
| 164 return size; | |
| 165 } | |
| 166 | |
| 167 int methodDataKlass::oop_adjust_pointers(oop obj) { | |
| 168 assert(obj->is_methodData(), "should be method data"); | |
| 169 methodDataOop m = methodDataOop(obj); | |
| 170 // Get size before changing pointers | |
| 171 // Don't call size() or oop_size() since that is a virtual call. | |
| 172 int size = m->object_size(); | |
| 173 | |
| 174 obj->adjust_header(); | |
| 175 MarkSweep::adjust_pointer(m->adr_method()); | |
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176 #ifdef GRAAL |
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177 MarkSweep::adjust_pointer(m->adr_graal_mirror()); |
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178 #endif |
| 0 | 179 ResourceMark rm; |
| 180 ProfileData* data; | |
| 181 for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { | |
| 182 data->adjust_pointers(); | |
| 183 } | |
| 184 return size; | |
| 185 } | |
| 186 | |
| 187 | |
| 188 #ifndef SERIALGC | |
| 189 void methodDataKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
| 190 assert (obj->is_methodData(), "object must be method data"); | |
| 191 methodDataOop m = methodDataOop(obj); | |
| 192 // This should never point into the young gen. | |
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193 assert(!PSScavenge::should_scavenge(m->adr_method()), "Sanity"); |
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194 #ifdef GRAAL |
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195 oop* adr = m->adr_graal_mirror(); |
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196 if(PSScavenge::should_scavenge(adr)) { |
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197 pm->claim_or_forward_depth(adr); |
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198 } |
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199 #endif |
| 0 | 200 } |
| 201 | |
| 202 int methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
| 203 assert(obj->is_methodData(), "should be method data"); | |
| 204 methodDataOop m = methodDataOop(obj); | |
| 205 | |
| 206 PSParallelCompact::adjust_pointer(m->adr_method()); | |
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207 #ifdef GRAAL |
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208 PSParallelCompact::adjust_pointer(m->adr_graal_mirror()); |
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209 #endif |
| 0 | 210 |
| 211 ResourceMark rm; | |
| 212 ProfileData* data; | |
| 213 for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { | |
| 214 data->update_pointers(); | |
| 215 } | |
| 216 return m->object_size(); | |
| 217 } | |
| 218 #endif // SERIALGC | |
| 219 | |
| 220 #ifndef PRODUCT | |
| 221 | |
| 222 // Printing | |
| 223 void methodDataKlass::oop_print_on(oop obj, outputStream* st) { | |
| 224 assert(obj->is_methodData(), "should be method data"); | |
| 225 methodDataOop m = methodDataOop(obj); | |
| 226 st->print("method data for "); | |
| 227 m->method()->print_value_on(st); | |
| 228 st->cr(); | |
| 229 m->print_data_on(st); | |
| 230 } | |
| 231 | |
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232 #endif //PRODUCT |
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233 |
| 0 | 234 void methodDataKlass::oop_print_value_on(oop obj, outputStream* st) { |
| 235 assert(obj->is_methodData(), "should be method data"); | |
| 236 methodDataOop m = methodDataOop(obj); | |
| 237 st->print("method data for "); | |
| 238 m->method()->print_value_on(st); | |
| 239 } | |
| 240 | |
| 241 const char* methodDataKlass::internal_name() const { | |
| 242 return "{method data}"; | |
| 243 } | |
| 244 | |
| 245 | |
| 246 // Verification | |
| 247 void methodDataKlass::oop_verify_on(oop obj, outputStream* st) { | |
| 248 Klass::oop_verify_on(obj, st); | |
| 249 guarantee(obj->is_methodData(), "object must be method data"); | |
| 250 methodDataOop m = methodDataOop(obj); | |
| 251 guarantee(m->is_perm(), "should be in permspace"); | |
| 252 m->verify_data_on(st); | |
| 253 } |