Mercurial > hg > graal-compiler
annotate src/share/vm/oops/methodKlass.cpp @ 6275:957c266d8bc5
Merge with http://hg.openjdk.java.net/hsx/hsx24/hotspot/
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 21 Aug 2012 10:39:19 +0200 |
parents | af59b4dfc9e4 1d7922586cf6 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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 "classfile/javaClasses.hpp" | |
27 #include "gc_implementation/shared/markSweep.inline.hpp" | |
28 #include "gc_interface/collectedHeap.inline.hpp" | |
29 #include "interpreter/interpreter.hpp" | |
30 #include "memory/gcLocker.hpp" | |
31 #include "memory/resourceArea.hpp" | |
32 #include "memory/universe.inline.hpp" | |
33 #include "oops/constMethodKlass.hpp" | |
34 #include "oops/klassOop.hpp" | |
35 #include "oops/methodDataOop.hpp" | |
36 #include "oops/methodKlass.hpp" | |
37 #include "oops/oop.inline.hpp" | |
38 #include "oops/oop.inline2.hpp" | |
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39 #include "oops/symbol.hpp" |
1972 | 40 #include "runtime/handles.inline.hpp" |
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41 #ifndef SERIALGC |
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42 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" |
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43 #include "oops/oop.pcgc.inline.hpp" |
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44 #endif |
0 | 45 |
46 klassOop methodKlass::create_klass(TRAPS) { | |
47 methodKlass o; | |
48 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); | |
49 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); | |
50 // Make sure size calculation is right | |
51 assert(k()->size() == align_object_size(header_size()), "wrong size for object"); | |
52 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror | |
53 return k(); | |
54 } | |
55 | |
56 | |
57 int methodKlass::oop_size(oop obj) const { | |
58 assert(obj->is_method(), "must be method oop"); | |
59 return methodOop(obj)->object_size(); | |
60 } | |
61 | |
62 | |
63 bool methodKlass::oop_is_parsable(oop obj) const { | |
64 assert(obj->is_method(), "must be method oop"); | |
65 return methodOop(obj)->object_is_parsable(); | |
66 } | |
67 | |
68 | |
69 methodOop methodKlass::allocate(constMethodHandle xconst, | |
70 AccessFlags access_flags, TRAPS) { | |
71 int size = methodOopDesc::object_size(access_flags.is_native()); | |
72 KlassHandle h_k(THREAD, as_klassOop()); | |
73 assert(xconst()->is_parsable(), "possible publication protocol violation"); | |
74 methodOop m = (methodOop)CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); | |
75 assert(!m->is_parsable(), "not expecting parsability yet."); | |
76 | |
77 No_Safepoint_Verifier no_safepoint; // until m becomes parsable below | |
78 m->set_constMethod(xconst()); | |
79 m->set_access_flags(access_flags); | |
80 m->set_method_size(size); | |
81 m->set_name_index(0); | |
82 m->set_signature_index(0); | |
83 #ifdef CC_INTERP | |
84 m->set_result_index(T_VOID); | |
85 #endif | |
86 m->set_constants(NULL); | |
87 m->set_max_stack(0); | |
88 m->set_max_locals(0); | |
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89 m->set_intrinsic_id(vmIntrinsics::_none); |
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90 m->set_jfr_towrite(false); |
0 | 91 m->set_method_data(NULL); |
92 m->set_interpreter_throwout_count(0); | |
93 m->set_vtable_index(methodOopDesc::garbage_vtable_index); | |
94 | |
95 // Fix and bury in methodOop | |
96 m->set_interpreter_entry(NULL); // sets i2i entry and from_int | |
97 m->set_adapter_entry(NULL); | |
98 m->clear_code(); // from_c/from_i get set to c2i/i2i | |
99 | |
100 if (access_flags.is_native()) { | |
101 m->clear_native_function(); | |
102 m->set_signature_handler(NULL); | |
103 } | |
104 | |
105 NOT_PRODUCT(m->set_compiled_invocation_count(0);) | |
106 m->set_interpreter_invocation_count(0); | |
107 m->invocation_counter()->init(); | |
108 m->backedge_counter()->init(); | |
109 m->clear_number_of_breakpoints(); | |
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110 #ifdef GRAAL |
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111 m->set_graal_mirror(NULL); |
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112 m->set_graal_invocation_time(0); |
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113 m->set_graal_priority(1000000); |
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114 #endif |
1783 | 115 |
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116 #ifdef TIERED |
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117 m->set_rate(0); |
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118 m->set_prev_event_count(0); |
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119 m->set_prev_time(0); |
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120 #endif |
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121 |
0 | 122 assert(m->is_parsable(), "must be parsable here."); |
123 assert(m->size() == size, "wrong size for object"); | |
124 return m; | |
125 } | |
126 | |
127 | |
128 void methodKlass::oop_follow_contents(oop obj) { | |
129 assert (obj->is_method(), "object must be method"); | |
130 methodOop m = methodOop(obj); | |
131 // Performance tweak: We skip iterating over the klass pointer since we | |
132 // know that Universe::methodKlassObj never moves. | |
133 MarkSweep::mark_and_push(m->adr_constMethod()); | |
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134 #ifdef GRAAL |
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135 MarkSweep::mark_and_push(m->adr_graal_mirror()); |
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136 #endif |
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137 MarkSweep::mark_and_push(m->adr_method_data()); |
0 | 138 } |
139 | |
140 #ifndef SERIALGC | |
141 void methodKlass::oop_follow_contents(ParCompactionManager* cm, | |
142 oop obj) { | |
143 assert (obj->is_method(), "object must be method"); | |
144 methodOop m = methodOop(obj); | |
145 // Performance tweak: We skip iterating over the klass pointer since we | |
146 // know that Universe::methodKlassObj never moves. | |
147 PSParallelCompact::mark_and_push(cm, m->adr_constMethod()); | |
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148 #ifdef GRAAL |
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149 PSParallelCompact::mark_and_push(cm, m->adr_graal_mirror()); |
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150 #endif |
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151 PSParallelCompact::mark_and_push(cm, m->adr_method_data()); |
0 | 152 } |
153 #endif // SERIALGC | |
154 | |
155 int methodKlass::oop_oop_iterate(oop obj, OopClosure* blk) { | |
156 assert (obj->is_method(), "object must be method"); | |
157 methodOop m = methodOop(obj); | |
158 // Get size before changing pointers. | |
159 // Don't call size() or oop_size() since that is a virtual call. | |
160 int size = m->object_size(); | |
161 // Performance tweak: We skip iterating over the klass pointer since we | |
162 // know that Universe::methodKlassObj never moves | |
163 blk->do_oop(m->adr_constMethod()); | |
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164 #ifdef GRAAL |
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165 blk->do_oop(m->adr_graal_mirror()); |
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166 #endif |
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167 blk->do_oop(m->adr_method_data()); |
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168 |
0 | 169 return size; |
170 } | |
171 | |
172 | |
173 int methodKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { | |
174 assert (obj->is_method(), "object must be method"); | |
175 methodOop m = methodOop(obj); | |
176 // Get size before changing pointers. | |
177 // Don't call size() or oop_size() since that is a virtual call. | |
178 int size = m->object_size(); | |
179 // Performance tweak: We skip iterating over the klass pointer since we | |
180 // know that Universe::methodKlassObj never moves. | |
181 oop* adr; | |
182 adr = m->adr_constMethod(); | |
183 if (mr.contains(adr)) blk->do_oop(adr); | |
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184 #ifdef GRAAL |
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185 adr = m->adr_graal_mirror(); |
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186 if (mr.contains(adr)) blk->do_oop(adr); |
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187 #endif |
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188 adr = m->adr_method_data(); |
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189 if (mr.contains(adr)) blk->do_oop(adr); |
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190 |
0 | 191 return size; |
192 } | |
193 | |
194 | |
195 int methodKlass::oop_adjust_pointers(oop obj) { | |
196 assert(obj->is_method(), "should be method"); | |
197 methodOop m = methodOop(obj); | |
198 // Get size before changing pointers. | |
199 // Don't call size() or oop_size() since that is a virtual call. | |
200 int size = m->object_size(); | |
201 // Performance tweak: We skip iterating over the klass pointer since we | |
202 // know that Universe::methodKlassObj never moves. | |
203 MarkSweep::adjust_pointer(m->adr_constMethod()); | |
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204 #ifdef GRAAL |
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205 MarkSweep::adjust_pointer(m->adr_graal_mirror()); |
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206 #endif |
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207 MarkSweep::adjust_pointer(m->adr_method_data()); |
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208 |
0 | 209 return size; |
210 } | |
211 | |
212 #ifndef SERIALGC | |
213 void methodKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
214 assert(obj->is_method(), "should be method"); | |
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215 methodOop m = methodOop(obj); |
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216 #ifdef GRAAL |
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217 oop* adr = m->adr_graal_mirror(); |
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218 if(PSScavenge::should_scavenge(adr)) { |
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219 pm->claim_or_forward_depth(adr); |
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220 } |
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221 #endif |
0 | 222 } |
223 | |
224 int methodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
225 assert(obj->is_method(), "should be method"); | |
226 methodOop m = methodOop(obj); | |
227 PSParallelCompact::adjust_pointer(m->adr_constMethod()); | |
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228 #ifdef GRAAL |
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229 PSParallelCompact::adjust_pointer(m->adr_graal_mirror()); |
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230 #endif |
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231 PSParallelCompact::adjust_pointer(m->adr_method_data()); |
0 | 232 return m->object_size(); |
233 } | |
234 #endif // SERIALGC | |
235 | |
236 #ifndef PRODUCT | |
237 | |
238 // Printing | |
239 | |
240 void methodKlass::oop_print_on(oop obj, outputStream* st) { | |
241 ResourceMark rm; | |
242 assert(obj->is_method(), "must be method"); | |
243 Klass::oop_print_on(obj, st); | |
244 methodOop m = methodOop(obj); | |
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245 // get the effect of PrintOopAddress, always, for methods: |
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246 st->print_cr(" - this oop: "INTPTR_FORMAT, (intptr_t)m); |
0 | 247 st->print (" - method holder: "); m->method_holder()->print_value_on(st); st->cr(); |
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248 st->print (" - constants: "INTPTR_FORMAT" ", (address)m->constants()); |
0 | 249 m->constants()->print_value_on(st); st->cr(); |
250 st->print (" - access: 0x%x ", m->access_flags().as_int()); m->access_flags().print_on(st); st->cr(); | |
251 st->print (" - name: "); m->name()->print_value_on(st); st->cr(); | |
252 st->print (" - signature: "); m->signature()->print_value_on(st); st->cr(); | |
253 st->print_cr(" - max stack: %d", m->max_stack()); | |
254 st->print_cr(" - max locals: %d", m->max_locals()); | |
255 st->print_cr(" - size of params: %d", m->size_of_parameters()); | |
256 st->print_cr(" - method size: %d", m->method_size()); | |
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257 if (m->intrinsic_id() != vmIntrinsics::_none) |
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258 st->print_cr(" - intrinsic id: %d %s", m->intrinsic_id(), vmIntrinsics::name_at(m->intrinsic_id())); |
1783 | 259 if (m->highest_comp_level() != CompLevel_none) |
260 st->print_cr(" - highest level: %d", m->highest_comp_level()); | |
0 | 261 st->print_cr(" - vtable index: %d", m->_vtable_index); |
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262 st->print_cr(" - i2i entry: " INTPTR_FORMAT, m->interpreter_entry()); |
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263 st->print( " - adapters: "); |
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264 if (m->adapter() == NULL) |
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265 st->print_cr(INTPTR_FORMAT, m->adapter()); |
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266 else |
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267 m->adapter()->print_adapter_on(st); |
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268 st->print_cr(" - compiled entry " INTPTR_FORMAT, m->from_compiled_entry()); |
0 | 269 st->print_cr(" - code size: %d", m->code_size()); |
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270 if (m->code_size() != 0) { |
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271 st->print_cr(" - code start: " INTPTR_FORMAT, m->code_base()); |
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272 st->print_cr(" - code end (excl): " INTPTR_FORMAT, m->code_base() + m->code_size()); |
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273 } |
0 | 274 if (m->method_data() != NULL) { |
275 st->print_cr(" - method data: " INTPTR_FORMAT, (address)m->method_data()); | |
276 } | |
277 st->print_cr(" - checked ex length: %d", m->checked_exceptions_length()); | |
278 if (m->checked_exceptions_length() > 0) { | |
279 CheckedExceptionElement* table = m->checked_exceptions_start(); | |
280 st->print_cr(" - checked ex start: " INTPTR_FORMAT, table); | |
281 if (Verbose) { | |
282 for (int i = 0; i < m->checked_exceptions_length(); i++) { | |
283 st->print_cr(" - throws %s", m->constants()->printable_name_at(table[i].class_cp_index)); | |
284 } | |
285 } | |
286 } | |
287 if (m->has_linenumber_table()) { | |
288 u_char* table = m->compressed_linenumber_table(); | |
289 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table); | |
290 if (Verbose) { | |
291 CompressedLineNumberReadStream stream(table); | |
292 while (stream.read_pair()) { | |
293 st->print_cr(" - line %d: %d", stream.line(), stream.bci()); | |
294 } | |
295 } | |
296 } | |
297 st->print_cr(" - localvar length: %d", m->localvariable_table_length()); | |
298 if (m->localvariable_table_length() > 0) { | |
299 LocalVariableTableElement* table = m->localvariable_table_start(); | |
300 st->print_cr(" - localvar start: " INTPTR_FORMAT, table); | |
301 if (Verbose) { | |
302 for (int i = 0; i < m->localvariable_table_length(); i++) { | |
303 int bci = table[i].start_bci; | |
304 int len = table[i].length; | |
305 const char* name = m->constants()->printable_name_at(table[i].name_cp_index); | |
306 const char* desc = m->constants()->printable_name_at(table[i].descriptor_cp_index); | |
307 int slot = table[i].slot; | |
308 st->print_cr(" - %s %s bci=%d len=%d slot=%d", desc, name, bci, len, slot); | |
309 } | |
310 } | |
311 } | |
312 if (m->code() != NULL) { | |
313 st->print (" - compiled code: "); | |
314 m->code()->print_value_on(st); | |
315 } | |
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316 if (m->is_native()) { |
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317 st->print_cr(" - native function: " INTPTR_FORMAT, m->native_function()); |
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318 st->print_cr(" - signature handler: " INTPTR_FORMAT, m->signature_handler()); |
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319 } |
0 | 320 } |
321 | |
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322 #endif //PRODUCT |
0 | 323 |
324 void methodKlass::oop_print_value_on(oop obj, outputStream* st) { | |
325 assert(obj->is_method(), "must be method"); | |
326 Klass::oop_print_value_on(obj, st); | |
327 methodOop m = methodOop(obj); | |
328 st->print(" "); | |
329 m->name()->print_value_on(st); | |
330 st->print(" "); | |
331 m->signature()->print_value_on(st); | |
332 st->print(" in "); | |
333 m->method_holder()->print_value_on(st); | |
334 if (WizardMode) st->print("[%d,%d]", m->size_of_parameters(), m->max_locals()); | |
335 if (WizardMode && m->code() != NULL) st->print(" ((nmethod*)%p)", m->code()); | |
336 } | |
337 | |
338 const char* methodKlass::internal_name() const { | |
339 return "{method}"; | |
340 } | |
341 | |
342 | |
343 // Verification | |
344 | |
345 void methodKlass::oop_verify_on(oop obj, outputStream* st) { | |
346 Klass::oop_verify_on(obj, st); | |
347 guarantee(obj->is_method(), "object must be method"); | |
348 if (!obj->partially_loaded()) { | |
349 methodOop m = methodOop(obj); | |
350 guarantee(m->is_perm(), "should be in permspace"); | |
351 guarantee(m->constMethod()->is_constMethod(), "should be constMethodOop"); | |
352 guarantee(m->constMethod()->is_perm(), "should be in permspace"); | |
353 methodDataOop method_data = m->method_data(); | |
354 guarantee(method_data == NULL || | |
355 method_data->is_perm(), "should be in permspace"); | |
356 guarantee(method_data == NULL || | |
357 method_data->is_methodData(), "should be method data"); | |
358 } | |
359 } | |
360 | |
361 bool methodKlass::oop_partially_loaded(oop obj) const { | |
362 assert(obj->is_method(), "object must be method"); | |
363 methodOop m = methodOop(obj); | |
364 constMethodOop xconst = m->constMethod(); | |
365 assert(xconst != NULL, "const method must be set"); | |
366 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
367 return ck->oop_partially_loaded(xconst); | |
368 } | |
369 | |
370 | |
371 void methodKlass::oop_set_partially_loaded(oop obj) { | |
372 assert(obj->is_method(), "object must be method"); | |
373 methodOop m = methodOop(obj); | |
374 constMethodOop xconst = m->constMethod(); | |
375 assert(xconst != NULL, "const method must be set"); | |
376 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
377 ck->oop_set_partially_loaded(xconst); | |
378 } |