Mercurial > hg > graal-jvmci-8
annotate src/share/vm/oops/methodKlass.cpp @ 6123:2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod.
Reviewed-by: roland, bdelsart, kamg
author | jiangli |
---|---|
date | Wed, 06 Jun 2012 14:33:43 -0400 |
parents | 94ec88ca68e2 |
children | 1d7922586cf6 |
rev | line source |
---|---|
0 | 1 /* |
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4800
diff
changeset
|
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
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" | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
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); | |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
85 m->set_intrinsic_id(vmIntrinsics::_none); |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
2348
diff
changeset
|
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(); | |
1783 | 106 |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2227
diff
changeset
|
107 #ifdef TIERED |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2227
diff
changeset
|
108 m->set_rate(0); |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2227
diff
changeset
|
109 m->set_prev_event_count(0); |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2227
diff
changeset
|
110 m->set_prev_time(0); |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2227
diff
changeset
|
111 #endif |
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2227
diff
changeset
|
112 |
0 | 113 assert(m->is_parsable(), "must be parsable here."); |
114 assert(m->size() == size, "wrong size for object"); | |
115 return m; | |
116 } | |
117 | |
118 | |
119 void methodKlass::oop_follow_contents(oop obj) { | |
120 assert (obj->is_method(), "object must be method"); | |
121 methodOop m = methodOop(obj); | |
122 // Performance tweak: We skip iterating over the klass pointer since we | |
123 // know that Universe::methodKlassObj never moves. | |
124 MarkSweep::mark_and_push(m->adr_constMethod()); | |
125 if (m->method_data() != NULL) { | |
126 MarkSweep::mark_and_push(m->adr_method_data()); | |
127 } | |
128 } | |
129 | |
130 #ifndef SERIALGC | |
131 void methodKlass::oop_follow_contents(ParCompactionManager* cm, | |
132 oop obj) { | |
133 assert (obj->is_method(), "object must be method"); | |
134 methodOop m = methodOop(obj); | |
135 // Performance tweak: We skip iterating over the klass pointer since we | |
136 // know that Universe::methodKlassObj never moves. | |
137 PSParallelCompact::mark_and_push(cm, m->adr_constMethod()); | |
138 #ifdef COMPILER2 | |
139 if (m->method_data() != NULL) { | |
140 PSParallelCompact::mark_and_push(cm, m->adr_method_data()); | |
141 } | |
142 #endif // COMPILER2 | |
143 } | |
144 #endif // SERIALGC | |
145 | |
146 int methodKlass::oop_oop_iterate(oop obj, OopClosure* blk) { | |
147 assert (obj->is_method(), "object must be method"); | |
148 methodOop m = methodOop(obj); | |
149 // Get size before changing pointers. | |
150 // Don't call size() or oop_size() since that is a virtual call. | |
151 int size = m->object_size(); | |
152 // Performance tweak: We skip iterating over the klass pointer since we | |
153 // know that Universe::methodKlassObj never moves | |
154 blk->do_oop(m->adr_constMethod()); | |
155 if (m->method_data() != NULL) { | |
156 blk->do_oop(m->adr_method_data()); | |
157 } | |
158 return size; | |
159 } | |
160 | |
161 | |
162 int methodKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { | |
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 oop* adr; | |
171 adr = m->adr_constMethod(); | |
172 if (mr.contains(adr)) blk->do_oop(adr); | |
173 if (m->method_data() != NULL) { | |
174 adr = m->adr_method_data(); | |
175 if (mr.contains(adr)) blk->do_oop(adr); | |
176 } | |
177 return size; | |
178 } | |
179 | |
180 | |
181 int methodKlass::oop_adjust_pointers(oop obj) { | |
182 assert(obj->is_method(), "should be method"); | |
183 methodOop m = methodOop(obj); | |
184 // Get size before changing pointers. | |
185 // Don't call size() or oop_size() since that is a virtual call. | |
186 int size = m->object_size(); | |
187 // Performance tweak: We skip iterating over the klass pointer since we | |
188 // know that Universe::methodKlassObj never moves. | |
189 MarkSweep::adjust_pointer(m->adr_constMethod()); | |
190 if (m->method_data() != NULL) { | |
191 MarkSweep::adjust_pointer(m->adr_method_data()); | |
192 } | |
193 return size; | |
194 } | |
195 | |
196 #ifndef SERIALGC | |
197 void methodKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
198 assert(obj->is_method(), "should be method"); | |
199 } | |
200 | |
201 int methodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
202 assert(obj->is_method(), "should be method"); | |
203 methodOop m = methodOop(obj); | |
204 PSParallelCompact::adjust_pointer(m->adr_constMethod()); | |
205 #ifdef COMPILER2 | |
206 if (m->method_data() != NULL) { | |
207 PSParallelCompact::adjust_pointer(m->adr_method_data()); | |
208 } | |
209 #endif // COMPILER2 | |
210 return m->object_size(); | |
211 } | |
212 #endif // SERIALGC | |
213 | |
214 #ifndef PRODUCT | |
215 | |
216 // Printing | |
217 | |
218 void methodKlass::oop_print_on(oop obj, outputStream* st) { | |
219 ResourceMark rm; | |
220 assert(obj->is_method(), "must be method"); | |
221 Klass::oop_print_on(obj, st); | |
222 methodOop m = methodOop(obj); | |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1155
diff
changeset
|
223 // get the effect of PrintOopAddress, always, for methods: |
1573
beb77f0d41b3
6957004: MethodComparator uses the wrong CP index accessor
jrose
parents:
1507
diff
changeset
|
224 st->print_cr(" - this oop: "INTPTR_FORMAT, (intptr_t)m); |
0 | 225 st->print (" - method holder: "); m->method_holder()->print_value_on(st); st->cr(); |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1155
diff
changeset
|
226 st->print (" - constants: "INTPTR_FORMAT" ", (address)m->constants()); |
0 | 227 m->constants()->print_value_on(st); st->cr(); |
228 st->print (" - access: 0x%x ", m->access_flags().as_int()); m->access_flags().print_on(st); st->cr(); | |
229 st->print (" - name: "); m->name()->print_value_on(st); st->cr(); | |
230 st->print (" - signature: "); m->signature()->print_value_on(st); st->cr(); | |
231 st->print_cr(" - max stack: %d", m->max_stack()); | |
232 st->print_cr(" - max locals: %d", m->max_locals()); | |
233 st->print_cr(" - size of params: %d", m->size_of_parameters()); | |
234 st->print_cr(" - method size: %d", m->method_size()); | |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1155
diff
changeset
|
235 if (m->intrinsic_id() != vmIntrinsics::_none) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1155
diff
changeset
|
236 st->print_cr(" - intrinsic id: %d %s", m->intrinsic_id(), vmIntrinsics::name_at(m->intrinsic_id())); |
1783 | 237 if (m->highest_comp_level() != CompLevel_none) |
238 st->print_cr(" - highest level: %d", m->highest_comp_level()); | |
0 | 239 st->print_cr(" - vtable index: %d", m->_vtable_index); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
240 st->print_cr(" - i2i entry: " INTPTR_FORMAT, m->interpreter_entry()); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
241 st->print_cr(" - adapter: " INTPTR_FORMAT, m->adapter()); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
242 st->print_cr(" - compiled entry " INTPTR_FORMAT, m->from_compiled_entry()); |
0 | 243 st->print_cr(" - code size: %d", m->code_size()); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
244 if (m->code_size() != 0) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
245 st->print_cr(" - code start: " INTPTR_FORMAT, m->code_base()); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
246 st->print_cr(" - code end (excl): " INTPTR_FORMAT, m->code_base() + m->code_size()); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
247 } |
0 | 248 if (m->method_data() != NULL) { |
249 st->print_cr(" - method data: " INTPTR_FORMAT, (address)m->method_data()); | |
250 } | |
251 st->print_cr(" - checked ex length: %d", m->checked_exceptions_length()); | |
252 if (m->checked_exceptions_length() > 0) { | |
253 CheckedExceptionElement* table = m->checked_exceptions_start(); | |
254 st->print_cr(" - checked ex start: " INTPTR_FORMAT, table); | |
255 if (Verbose) { | |
256 for (int i = 0; i < m->checked_exceptions_length(); i++) { | |
257 st->print_cr(" - throws %s", m->constants()->printable_name_at(table[i].class_cp_index)); | |
258 } | |
259 } | |
260 } | |
261 if (m->has_linenumber_table()) { | |
262 u_char* table = m->compressed_linenumber_table(); | |
263 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table); | |
264 if (Verbose) { | |
265 CompressedLineNumberReadStream stream(table); | |
266 while (stream.read_pair()) { | |
267 st->print_cr(" - line %d: %d", stream.line(), stream.bci()); | |
268 } | |
269 } | |
270 } | |
271 st->print_cr(" - localvar length: %d", m->localvariable_table_length()); | |
272 if (m->localvariable_table_length() > 0) { | |
273 LocalVariableTableElement* table = m->localvariable_table_start(); | |
274 st->print_cr(" - localvar start: " INTPTR_FORMAT, table); | |
275 if (Verbose) { | |
276 for (int i = 0; i < m->localvariable_table_length(); i++) { | |
277 int bci = table[i].start_bci; | |
278 int len = table[i].length; | |
279 const char* name = m->constants()->printable_name_at(table[i].name_cp_index); | |
280 const char* desc = m->constants()->printable_name_at(table[i].descriptor_cp_index); | |
281 int slot = table[i].slot; | |
282 st->print_cr(" - %s %s bci=%d len=%d slot=%d", desc, name, bci, len, slot); | |
283 } | |
284 } | |
285 } | |
286 if (m->code() != NULL) { | |
287 st->print (" - compiled code: "); | |
288 m->code()->print_value_on(st); | |
289 st->cr(); | |
290 } | |
710 | 291 if (m->is_method_handle_invoke()) { |
292 st->print_cr(" - invoke method type: " INTPTR_FORMAT, (address) m->method_handle_type()); | |
293 // m is classified as native, but it does not have an interesting | |
294 // native_function or signature handler | |
295 } else if (m->is_native()) { | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
296 st->print_cr(" - native function: " INTPTR_FORMAT, m->native_function()); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
297 st->print_cr(" - signature handler: " INTPTR_FORMAT, m->signature_handler()); |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
0
diff
changeset
|
298 } |
0 | 299 } |
300 | |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
856
diff
changeset
|
301 #endif //PRODUCT |
0 | 302 |
303 void methodKlass::oop_print_value_on(oop obj, outputStream* st) { | |
304 assert(obj->is_method(), "must be method"); | |
305 Klass::oop_print_value_on(obj, st); | |
306 methodOop m = methodOop(obj); | |
307 st->print(" "); | |
308 m->name()->print_value_on(st); | |
309 st->print(" "); | |
310 m->signature()->print_value_on(st); | |
311 st->print(" in "); | |
312 m->method_holder()->print_value_on(st); | |
313 if (WizardMode) st->print("[%d,%d]", m->size_of_parameters(), m->max_locals()); | |
314 if (WizardMode && m->code() != NULL) st->print(" ((nmethod*)%p)", m->code()); | |
315 } | |
316 | |
317 const char* methodKlass::internal_name() const { | |
318 return "{method}"; | |
319 } | |
320 | |
321 | |
322 // Verification | |
323 | |
324 void methodKlass::oop_verify_on(oop obj, outputStream* st) { | |
325 Klass::oop_verify_on(obj, st); | |
326 guarantee(obj->is_method(), "object must be method"); | |
327 if (!obj->partially_loaded()) { | |
328 methodOop m = methodOop(obj); | |
329 guarantee(m->is_perm(), "should be in permspace"); | |
330 guarantee(m->constMethod()->is_constMethod(), "should be constMethodOop"); | |
331 guarantee(m->constMethod()->is_perm(), "should be in permspace"); | |
332 methodDataOop method_data = m->method_data(); | |
333 guarantee(method_data == NULL || | |
334 method_data->is_perm(), "should be in permspace"); | |
335 guarantee(method_data == NULL || | |
336 method_data->is_methodData(), "should be method data"); | |
337 } | |
338 } | |
339 | |
340 bool methodKlass::oop_partially_loaded(oop obj) const { | |
341 assert(obj->is_method(), "object must be method"); | |
342 methodOop m = methodOop(obj); | |
343 constMethodOop xconst = m->constMethod(); | |
344 assert(xconst != NULL, "const method must be set"); | |
345 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
346 return ck->oop_partially_loaded(xconst); | |
347 } | |
348 | |
349 | |
350 void methodKlass::oop_set_partially_loaded(oop obj) { | |
351 assert(obj->is_method(), "object must be method"); | |
352 methodOop m = methodOop(obj); | |
353 constMethodOop xconst = m->constMethod(); | |
354 assert(xconst != NULL, "const method must be set"); | |
355 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
356 ck->oop_set_partially_loaded(xconst); | |
357 } |