Mercurial > hg > graal-compiler
annotate src/share/vm/oops/methodKlass.cpp @ 4996:11ce128f8d28
fix for RiCompiledMethod.execute
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Wed, 29 Feb 2012 14:49:54 +0100 |
parents | 18a5539bf19b |
children | fdd9dd4508fa |
rev | line source |
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0 | 1 /* |
2227 | 2 * Copyright (c) 1997, 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 "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" |
0 | 41 |
42 klassOop methodKlass::create_klass(TRAPS) { | |
43 methodKlass o; | |
44 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); | |
45 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); | |
46 // Make sure size calculation is right | |
47 assert(k()->size() == align_object_size(header_size()), "wrong size for object"); | |
48 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror | |
49 return k(); | |
50 } | |
51 | |
52 | |
53 int methodKlass::oop_size(oop obj) const { | |
54 assert(obj->is_method(), "must be method oop"); | |
55 return methodOop(obj)->object_size(); | |
56 } | |
57 | |
58 | |
59 bool methodKlass::oop_is_parsable(oop obj) const { | |
60 assert(obj->is_method(), "must be method oop"); | |
61 return methodOop(obj)->object_is_parsable(); | |
62 } | |
63 | |
64 | |
65 methodOop methodKlass::allocate(constMethodHandle xconst, | |
66 AccessFlags access_flags, TRAPS) { | |
67 int size = methodOopDesc::object_size(access_flags.is_native()); | |
68 KlassHandle h_k(THREAD, as_klassOop()); | |
69 assert(xconst()->is_parsable(), "possible publication protocol violation"); | |
70 methodOop m = (methodOop)CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); | |
71 assert(!m->is_parsable(), "not expecting parsability yet."); | |
72 | |
73 No_Safepoint_Verifier no_safepoint; // until m becomes parsable below | |
74 m->set_constMethod(xconst()); | |
75 m->set_access_flags(access_flags); | |
76 m->set_method_size(size); | |
77 m->set_name_index(0); | |
78 m->set_signature_index(0); | |
79 #ifdef CC_INTERP | |
80 m->set_result_index(T_VOID); | |
81 #endif | |
82 m->set_constants(NULL); | |
83 m->set_max_stack(0); | |
84 m->set_max_locals(0); | |
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85 m->set_intrinsic_id(vmIntrinsics::_none); |
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86 m->set_jfr_towrite(false); |
0 | 87 m->set_method_data(NULL); |
88 m->set_interpreter_throwout_count(0); | |
89 m->set_vtable_index(methodOopDesc::garbage_vtable_index); | |
90 | |
91 // Fix and bury in methodOop | |
92 m->set_interpreter_entry(NULL); // sets i2i entry and from_int | |
93 m->set_adapter_entry(NULL); | |
94 m->clear_code(); // from_c/from_i get set to c2i/i2i | |
95 | |
96 if (access_flags.is_native()) { | |
97 m->clear_native_function(); | |
98 m->set_signature_handler(NULL); | |
99 } | |
100 | |
101 NOT_PRODUCT(m->set_compiled_invocation_count(0);) | |
102 m->set_interpreter_invocation_count(0); | |
103 m->invocation_counter()->init(); | |
104 m->backedge_counter()->init(); | |
105 m->clear_number_of_breakpoints(); | |
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106 #ifdef GRAAL |
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107 m->set_graal_mirror(NULL); |
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108 #endif |
1783 | 109 |
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110 #ifdef TIERED |
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111 m->set_rate(0); |
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112 m->set_prev_event_count(0); |
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113 m->set_prev_time(0); |
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114 #endif |
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115 |
0 | 116 assert(m->is_parsable(), "must be parsable here."); |
117 assert(m->size() == size, "wrong size for object"); | |
118 // We should not publish an uprasable object's reference | |
119 // into one that is parsable, since that presents problems | |
120 // for the concurrent parallel marking and precleaning phases | |
121 // of concurrent gc (CMS). | |
122 xconst->set_method(m); | |
123 return m; | |
124 } | |
125 | |
126 | |
127 void methodKlass::oop_follow_contents(oop obj) { | |
128 assert (obj->is_method(), "object must be method"); | |
129 methodOop m = methodOop(obj); | |
130 // Performance tweak: We skip iterating over the klass pointer since we | |
131 // know that Universe::methodKlassObj never moves. | |
132 MarkSweep::mark_and_push(m->adr_constMethod()); | |
133 MarkSweep::mark_and_push(m->adr_constants()); | |
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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 |
0 | 137 if (m->method_data() != NULL) { |
138 MarkSweep::mark_and_push(m->adr_method_data()); | |
139 } | |
140 } | |
141 | |
142 #ifndef SERIALGC | |
143 void methodKlass::oop_follow_contents(ParCompactionManager* cm, | |
144 oop obj) { | |
145 assert (obj->is_method(), "object must be method"); | |
146 methodOop m = methodOop(obj); | |
147 // Performance tweak: We skip iterating over the klass pointer since we | |
148 // know that Universe::methodKlassObj never moves. | |
149 PSParallelCompact::mark_and_push(cm, m->adr_constMethod()); | |
150 PSParallelCompact::mark_and_push(cm, m->adr_constants()); | |
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151 #ifdef GRAAL |
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152 PSParallelCompact::mark_and_push(cm, m->adr_graal_mirror()); |
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153 #endif |
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154 #ifdef COMPILER2 |
0 | 155 if (m->method_data() != NULL) { |
156 PSParallelCompact::mark_and_push(cm, m->adr_method_data()); | |
157 } | |
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158 #endif |
0 | 159 } |
160 #endif // SERIALGC | |
161 | |
162 int methodKlass::oop_oop_iterate(oop obj, OopClosure* blk) { | |
163 assert (obj->is_method(), "object must be method"); | |
164 methodOop m = methodOop(obj); | |
165 // Get size before changing pointers. | |
166 // Don't call size() or oop_size() since that is a virtual call. | |
167 int size = m->object_size(); | |
168 // Performance tweak: We skip iterating over the klass pointer since we | |
169 // know that Universe::methodKlassObj never moves | |
170 blk->do_oop(m->adr_constMethod()); | |
171 blk->do_oop(m->adr_constants()); | |
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172 #ifdef GRAAL |
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173 blk->do_oop(m->adr_graal_mirror()); |
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174 #endif |
0 | 175 if (m->method_data() != NULL) { |
176 blk->do_oop(m->adr_method_data()); | |
177 } | |
178 return size; | |
179 } | |
180 | |
181 | |
182 int methodKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { | |
183 assert (obj->is_method(), "object must be method"); | |
184 methodOop m = methodOop(obj); | |
185 // Get size before changing pointers. | |
186 // Don't call size() or oop_size() since that is a virtual call. | |
187 int size = m->object_size(); | |
188 // Performance tweak: We skip iterating over the klass pointer since we | |
189 // know that Universe::methodKlassObj never moves. | |
190 oop* adr; | |
191 adr = m->adr_constMethod(); | |
192 if (mr.contains(adr)) blk->do_oop(adr); | |
193 adr = m->adr_constants(); | |
194 if (mr.contains(adr)) blk->do_oop(adr); | |
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195 #ifdef GRAAL |
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196 adr = m->adr_graal_mirror(); |
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197 if (mr.contains(adr)) blk->do_oop(adr); |
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198 #endif |
0 | 199 if (m->method_data() != NULL) { |
200 adr = m->adr_method_data(); | |
201 if (mr.contains(adr)) blk->do_oop(adr); | |
202 } | |
203 return size; | |
204 } | |
205 | |
206 | |
207 int methodKlass::oop_adjust_pointers(oop obj) { | |
208 assert(obj->is_method(), "should be method"); | |
209 methodOop m = methodOop(obj); | |
210 // Get size before changing pointers. | |
211 // Don't call size() or oop_size() since that is a virtual call. | |
212 int size = m->object_size(); | |
213 // Performance tweak: We skip iterating over the klass pointer since we | |
214 // know that Universe::methodKlassObj never moves. | |
215 MarkSweep::adjust_pointer(m->adr_constMethod()); | |
216 MarkSweep::adjust_pointer(m->adr_constants()); | |
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217 #ifdef GRAAL |
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218 MarkSweep::adjust_pointer(m->adr_graal_mirror()); |
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219 #endif |
0 | 220 if (m->method_data() != NULL) { |
221 MarkSweep::adjust_pointer(m->adr_method_data()); | |
222 } | |
223 return size; | |
224 } | |
225 | |
226 #ifndef SERIALGC | |
227 void methodKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
228 assert(obj->is_method(), "should be method"); | |
229 } | |
230 | |
231 int methodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
232 assert(obj->is_method(), "should be method"); | |
233 methodOop m = methodOop(obj); | |
234 PSParallelCompact::adjust_pointer(m->adr_constMethod()); | |
235 PSParallelCompact::adjust_pointer(m->adr_constants()); | |
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236 #ifdef GRAAL |
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237 PSParallelCompact::adjust_pointer(m->adr_graal_mirror()); |
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238 #endif |
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239 #ifdef COMPILER2 |
0 | 240 if (m->method_data() != NULL) { |
241 PSParallelCompact::adjust_pointer(m->adr_method_data()); | |
242 } | |
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243 #endif // COMPILER2 |
0 | 244 return m->object_size(); |
245 } | |
246 #endif // SERIALGC | |
247 | |
248 #ifndef PRODUCT | |
249 | |
250 // Printing | |
251 | |
252 void methodKlass::oop_print_on(oop obj, outputStream* st) { | |
253 ResourceMark rm; | |
254 assert(obj->is_method(), "must be method"); | |
255 Klass::oop_print_on(obj, st); | |
256 methodOop m = methodOop(obj); | |
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257 // get the effect of PrintOopAddress, always, for methods: |
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258 st->print_cr(" - this oop: "INTPTR_FORMAT, (intptr_t)m); |
0 | 259 st->print (" - method holder: "); m->method_holder()->print_value_on(st); st->cr(); |
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260 st->print (" - constants: "INTPTR_FORMAT" ", (address)m->constants()); |
0 | 261 m->constants()->print_value_on(st); st->cr(); |
262 st->print (" - access: 0x%x ", m->access_flags().as_int()); m->access_flags().print_on(st); st->cr(); | |
263 st->print (" - name: "); m->name()->print_value_on(st); st->cr(); | |
264 st->print (" - signature: "); m->signature()->print_value_on(st); st->cr(); | |
265 st->print_cr(" - max stack: %d", m->max_stack()); | |
266 st->print_cr(" - max locals: %d", m->max_locals()); | |
267 st->print_cr(" - size of params: %d", m->size_of_parameters()); | |
268 st->print_cr(" - method size: %d", m->method_size()); | |
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269 if (m->intrinsic_id() != vmIntrinsics::_none) |
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270 st->print_cr(" - intrinsic id: %d %s", m->intrinsic_id(), vmIntrinsics::name_at(m->intrinsic_id())); |
1783 | 271 if (m->highest_comp_level() != CompLevel_none) |
272 st->print_cr(" - highest level: %d", m->highest_comp_level()); | |
0 | 273 st->print_cr(" - vtable index: %d", m->_vtable_index); |
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274 st->print_cr(" - i2i entry: " INTPTR_FORMAT, m->interpreter_entry()); |
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275 st->print_cr(" - adapter: " INTPTR_FORMAT, m->adapter()); |
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276 st->print_cr(" - compiled entry " INTPTR_FORMAT, m->from_compiled_entry()); |
0 | 277 st->print_cr(" - code size: %d", m->code_size()); |
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278 if (m->code_size() != 0) { |
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279 st->print_cr(" - code start: " INTPTR_FORMAT, m->code_base()); |
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280 st->print_cr(" - code end (excl): " INTPTR_FORMAT, m->code_base() + m->code_size()); |
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281 } |
0 | 282 if (m->method_data() != NULL) { |
283 st->print_cr(" - method data: " INTPTR_FORMAT, (address)m->method_data()); | |
284 } | |
285 st->print_cr(" - checked ex length: %d", m->checked_exceptions_length()); | |
286 if (m->checked_exceptions_length() > 0) { | |
287 CheckedExceptionElement* table = m->checked_exceptions_start(); | |
288 st->print_cr(" - checked ex start: " INTPTR_FORMAT, table); | |
289 if (Verbose) { | |
290 for (int i = 0; i < m->checked_exceptions_length(); i++) { | |
291 st->print_cr(" - throws %s", m->constants()->printable_name_at(table[i].class_cp_index)); | |
292 } | |
293 } | |
294 } | |
295 if (m->has_linenumber_table()) { | |
296 u_char* table = m->compressed_linenumber_table(); | |
297 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table); | |
298 if (Verbose) { | |
299 CompressedLineNumberReadStream stream(table); | |
300 while (stream.read_pair()) { | |
301 st->print_cr(" - line %d: %d", stream.line(), stream.bci()); | |
302 } | |
303 } | |
304 } | |
305 st->print_cr(" - localvar length: %d", m->localvariable_table_length()); | |
306 if (m->localvariable_table_length() > 0) { | |
307 LocalVariableTableElement* table = m->localvariable_table_start(); | |
308 st->print_cr(" - localvar start: " INTPTR_FORMAT, table); | |
309 if (Verbose) { | |
310 for (int i = 0; i < m->localvariable_table_length(); i++) { | |
311 int bci = table[i].start_bci; | |
312 int len = table[i].length; | |
313 const char* name = m->constants()->printable_name_at(table[i].name_cp_index); | |
314 const char* desc = m->constants()->printable_name_at(table[i].descriptor_cp_index); | |
315 int slot = table[i].slot; | |
316 st->print_cr(" - %s %s bci=%d len=%d slot=%d", desc, name, bci, len, slot); | |
317 } | |
318 } | |
319 } | |
320 if (m->code() != NULL) { | |
321 st->print (" - compiled code: "); | |
322 m->code()->print_value_on(st); | |
323 st->cr(); | |
324 } | |
710 | 325 if (m->is_method_handle_invoke()) { |
326 st->print_cr(" - invoke method type: " INTPTR_FORMAT, (address) m->method_handle_type()); | |
327 // m is classified as native, but it does not have an interesting | |
328 // native_function or signature handler | |
329 } else if (m->is_native()) { | |
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330 st->print_cr(" - native function: " INTPTR_FORMAT, m->native_function()); |
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331 st->print_cr(" - signature handler: " INTPTR_FORMAT, m->signature_handler()); |
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332 } |
0 | 333 } |
334 | |
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335 #endif //PRODUCT |
0 | 336 |
337 void methodKlass::oop_print_value_on(oop obj, outputStream* st) { | |
338 assert(obj->is_method(), "must be method"); | |
339 Klass::oop_print_value_on(obj, st); | |
340 methodOop m = methodOop(obj); | |
341 st->print(" "); | |
342 m->name()->print_value_on(st); | |
343 st->print(" "); | |
344 m->signature()->print_value_on(st); | |
345 st->print(" in "); | |
346 m->method_holder()->print_value_on(st); | |
347 if (WizardMode) st->print("[%d,%d]", m->size_of_parameters(), m->max_locals()); | |
348 if (WizardMode && m->code() != NULL) st->print(" ((nmethod*)%p)", m->code()); | |
349 } | |
350 | |
351 const char* methodKlass::internal_name() const { | |
352 return "{method}"; | |
353 } | |
354 | |
355 | |
356 // Verification | |
357 | |
358 void methodKlass::oop_verify_on(oop obj, outputStream* st) { | |
359 Klass::oop_verify_on(obj, st); | |
360 guarantee(obj->is_method(), "object must be method"); | |
361 if (!obj->partially_loaded()) { | |
362 methodOop m = methodOop(obj); | |
363 guarantee(m->is_perm(), "should be in permspace"); | |
364 guarantee(m->constants()->is_perm(), "should be in permspace"); | |
365 guarantee(m->constants()->is_constantPool(), "should be constant pool"); | |
366 guarantee(m->constMethod()->is_constMethod(), "should be constMethodOop"); | |
367 guarantee(m->constMethod()->is_perm(), "should be in permspace"); | |
368 methodDataOop method_data = m->method_data(); | |
369 guarantee(method_data == NULL || | |
370 method_data->is_perm(), "should be in permspace"); | |
371 guarantee(method_data == NULL || | |
372 method_data->is_methodData(), "should be method data"); | |
373 } | |
374 } | |
375 | |
376 bool methodKlass::oop_partially_loaded(oop obj) const { | |
377 assert(obj->is_method(), "object must be method"); | |
378 methodOop m = methodOop(obj); | |
379 constMethodOop xconst = m->constMethod(); | |
380 assert(xconst != NULL, "const method must be set"); | |
381 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
382 return ck->oop_partially_loaded(xconst); | |
383 } | |
384 | |
385 | |
386 void methodKlass::oop_set_partially_loaded(oop obj) { | |
387 assert(obj->is_method(), "object must be method"); | |
388 methodOop m = methodOop(obj); | |
389 constMethodOop xconst = m->constMethod(); | |
390 assert(xconst != NULL, "const method must be set"); | |
391 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
392 ck->oop_set_partially_loaded(xconst); | |
393 } |