Mercurial > hg > truffle
annotate src/share/vm/opto/runtime.cpp @ 17480:1b46c3672650
Merge
author | kizune |
---|---|
date | Fri, 13 Dec 2013 22:13:52 +0400 |
parents | 469216acdb28 |
children | 096c224171c4 00f5eff62d18 2b8e28fdf503 |
rev | line source |
---|---|
0 | 1 /* |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
2 * Copyright (c) 1998, 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:
1368
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1368
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:
1368
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/systemDictionary.hpp" | |
27 #include "classfile/vmSymbols.hpp" | |
28 #include "code/compiledIC.hpp" | |
29 #include "code/icBuffer.hpp" | |
30 #include "code/nmethod.hpp" | |
31 #include "code/pcDesc.hpp" | |
32 #include "code/scopeDesc.hpp" | |
33 #include "code/vtableStubs.hpp" | |
34 #include "compiler/compileBroker.hpp" | |
35 #include "compiler/compilerOracle.hpp" | |
36 #include "compiler/oopMap.hpp" | |
37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" | |
38 #include "gc_implementation/g1/heapRegion.hpp" | |
39 #include "gc_interface/collectedHeap.hpp" | |
40 #include "interpreter/bytecode.hpp" | |
41 #include "interpreter/interpreter.hpp" | |
42 #include "interpreter/linkResolver.hpp" | |
43 #include "memory/barrierSet.hpp" | |
44 #include "memory/gcLocker.inline.hpp" | |
45 #include "memory/oopFactory.hpp" | |
46 #include "oops/objArrayKlass.hpp" | |
47 #include "oops/oop.inline.hpp" | |
48 #include "opto/addnode.hpp" | |
49 #include "opto/callnode.hpp" | |
50 #include "opto/cfgnode.hpp" | |
51 #include "opto/connode.hpp" | |
52 #include "opto/graphKit.hpp" | |
53 #include "opto/machnode.hpp" | |
54 #include "opto/matcher.hpp" | |
55 #include "opto/memnode.hpp" | |
56 #include "opto/mulnode.hpp" | |
57 #include "opto/runtime.hpp" | |
58 #include "opto/subnode.hpp" | |
59 #include "runtime/fprofiler.hpp" | |
60 #include "runtime/handles.inline.hpp" | |
61 #include "runtime/interfaceSupport.hpp" | |
62 #include "runtime/javaCalls.hpp" | |
63 #include "runtime/sharedRuntime.hpp" | |
64 #include "runtime/signature.hpp" | |
65 #include "runtime/threadCritical.hpp" | |
66 #include "runtime/vframe.hpp" | |
67 #include "runtime/vframeArray.hpp" | |
68 #include "runtime/vframe_hp.hpp" | |
69 #include "utilities/copy.hpp" | |
70 #include "utilities/preserveException.hpp" | |
71 #ifdef TARGET_ARCH_MODEL_x86_32 | |
72 # include "adfiles/ad_x86_32.hpp" | |
73 #endif | |
74 #ifdef TARGET_ARCH_MODEL_x86_64 | |
75 # include "adfiles/ad_x86_64.hpp" | |
76 #endif | |
77 #ifdef TARGET_ARCH_MODEL_sparc | |
78 # include "adfiles/ad_sparc.hpp" | |
79 #endif | |
80 #ifdef TARGET_ARCH_MODEL_zero | |
81 # include "adfiles/ad_zero.hpp" | |
82 #endif | |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
83 #ifdef TARGET_ARCH_MODEL_arm |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
84 # include "adfiles/ad_arm.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
85 #endif |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
86 #ifdef TARGET_ARCH_MODEL_ppc |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
87 # include "adfiles/ad_ppc.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
88 #endif |
0 | 89 |
90 | |
91 // For debugging purposes: | |
92 // To force FullGCALot inside a runtime function, add the following two lines | |
93 // | |
94 // Universe::release_fullgc_alot_dummy(); | |
95 // MarkSweep::invoke(0, "Debugging"); | |
96 // | |
97 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000 | |
98 | |
99 | |
100 | |
101 | |
102 // Compiled code entry points | |
103 address OptoRuntime::_new_instance_Java = NULL; | |
104 address OptoRuntime::_new_array_Java = NULL; | |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
105 address OptoRuntime::_new_array_nozero_Java = NULL; |
0 | 106 address OptoRuntime::_multianewarray2_Java = NULL; |
107 address OptoRuntime::_multianewarray3_Java = NULL; | |
108 address OptoRuntime::_multianewarray4_Java = NULL; | |
109 address OptoRuntime::_multianewarray5_Java = NULL; | |
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
110 address OptoRuntime::_multianewarrayN_Java = NULL; |
342 | 111 address OptoRuntime::_g1_wb_pre_Java = NULL; |
112 address OptoRuntime::_g1_wb_post_Java = NULL; | |
0 | 113 address OptoRuntime::_vtable_must_compile_Java = NULL; |
114 address OptoRuntime::_complete_monitor_locking_Java = NULL; | |
115 address OptoRuntime::_rethrow_Java = NULL; | |
116 | |
117 address OptoRuntime::_slow_arraycopy_Java = NULL; | |
118 address OptoRuntime::_register_finalizer_Java = NULL; | |
119 | |
120 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
121 address OptoRuntime::_zap_dead_Java_locals_Java = NULL; | |
122 address OptoRuntime::_zap_dead_native_locals_Java = NULL; | |
123 # endif | |
124 | |
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
2426
diff
changeset
|
125 ExceptionBlob* OptoRuntime::_exception_blob; |
0 | 126 |
127 // This should be called in an assertion at the start of OptoRuntime routines | |
128 // which are entered from compiled code (all of them) | |
10274 | 129 #ifdef ASSERT |
0 | 130 static bool check_compiled_frame(JavaThread* thread) { |
131 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code"); | |
132 RegisterMap map(thread, false); | |
133 frame caller = thread->last_frame().sender(&map); | |
134 assert(caller.is_compiled_frame(), "not being called from compiled like code"); | |
135 return true; | |
136 } | |
10274 | 137 #endif // ASSERT |
0 | 138 |
139 | |
140 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \ | |
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12876
diff
changeset
|
141 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc); \ |
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12876
diff
changeset
|
142 if (var == NULL) { return false; } |
0 | 143 |
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12876
diff
changeset
|
144 bool OptoRuntime::generate(ciEnv* env) { |
0 | 145 |
146 generate_exception_blob(); | |
147 | |
148 // Note: tls: Means fetching the return oop out of the thread-local storage | |
149 // | |
150 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc | |
151 // ------------------------------------------------------------------------------------------------------------------------------- | |
152 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); | |
153 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false); | |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
154 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false); |
0 | 155 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); |
156 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); | |
157 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); | |
158 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false); | |
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
159 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false); |
342 | 160 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); |
161 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); | |
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12876
diff
changeset
|
162 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false); |
0 | 163 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); |
164 | |
165 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); | |
166 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); | |
167 | |
168 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
169 gen(env, _zap_dead_Java_locals_Java , zap_dead_locals_Type , zap_dead_Java_locals_C , 0 , false, true , false ); | |
170 gen(env, _zap_dead_native_locals_Java , zap_dead_locals_Type , zap_dead_native_locals_C , 0 , false, true , false ); | |
171 # endif | |
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12876
diff
changeset
|
172 return true; |
0 | 173 } |
174 | |
175 #undef gen | |
176 | |
177 | |
178 // Helper method to do generation of RunTimeStub's | |
179 address OptoRuntime::generate_stub( ciEnv* env, | |
180 TypeFunc_generator gen, address C_function, | |
181 const char *name, int is_fancy_jump, | |
182 bool pass_tls, | |
183 bool save_argument_registers, | |
184 bool return_pc ) { | |
185 ResourceMark rm; | |
186 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc ); | |
187 return C.stub_entry_point(); | |
188 } | |
189 | |
190 const char* OptoRuntime::stub_name(address entry) { | |
191 #ifndef PRODUCT | |
192 CodeBlob* cb = CodeCache::find_blob(entry); | |
193 RuntimeStub* rs =(RuntimeStub *)cb; | |
194 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub"); | |
195 return rs->name(); | |
196 #else | |
197 // Fast implementation for product mode (maybe it should be inlined too) | |
198 return "runtime stub"; | |
199 #endif | |
200 } | |
201 | |
202 | |
203 //============================================================================= | |
204 // Opto compiler runtime routines | |
205 //============================================================================= | |
206 | |
207 | |
208 //=============================allocation====================================== | |
209 // We failed the fast-path allocation. Now we need to do a scavenge or GC | |
210 // and try allocation again. | |
211 | |
1166 | 212 void OptoRuntime::new_store_pre_barrier(JavaThread* thread) { |
0 | 213 // After any safepoint, just before going back to compiled code, |
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
214 // we inform the GC that we will be doing initializing writes to |
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
215 // this object in the future without emitting card-marks, so |
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
216 // GC may take any compensating steps. |
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
217 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
0 | 218 |
219 oop new_obj = thread->vm_result(); | |
220 if (new_obj == NULL) return; | |
221 | |
222 assert(Universe::heap()->can_elide_tlab_store_barriers(), | |
223 "compiler must check this first"); | |
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
224 // GC may decide to give back a safer copy of new_obj. |
1166 | 225 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
0 | 226 thread->set_vm_result(new_obj); |
227 } | |
228 | |
229 // object allocation | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
230 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread)) |
0 | 231 JRT_BLOCK; |
232 #ifndef PRODUCT | |
233 SharedRuntime::_new_instance_ctr++; // new instance requires GC | |
234 #endif | |
235 assert(check_compiled_frame(thread), "incorrect caller"); | |
236 | |
237 // These checks are cheap to make and support reflective allocation. | |
6983 | 238 int lh = klass->layout_helper(); |
0 | 239 if (Klass::layout_helper_needs_slow_path(lh) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
240 || !InstanceKlass::cast(klass)->is_initialized()) { |
0 | 241 KlassHandle kh(THREAD, klass); |
242 kh->check_valid_for_instantiation(false, THREAD); | |
243 if (!HAS_PENDING_EXCEPTION) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
244 InstanceKlass::cast(kh())->initialize(THREAD); |
0 | 245 } |
246 if (!HAS_PENDING_EXCEPTION) { | |
247 klass = kh(); | |
248 } else { | |
249 klass = NULL; | |
250 } | |
251 } | |
252 | |
253 if (klass != NULL) { | |
254 // Scavenge and allocate an instance. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
255 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD); |
0 | 256 thread->set_vm_result(result); |
257 | |
258 // Pass oops back through thread local storage. Our apparent type to Java | |
259 // is that we return an oop, but we can block on exit from this routine and | |
260 // a GC can trash the oop in C's return register. The generated stub will | |
261 // fetch the oop from TLS after any possible GC. | |
262 } | |
263 | |
264 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
265 JRT_BLOCK_END; | |
266 | |
267 if (GraphKit::use_ReduceInitialCardMarks()) { | |
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
268 // inform GC that we won't do card marks for initializing writes. |
1166 | 269 new_store_pre_barrier(thread); |
0 | 270 } |
271 JRT_END | |
272 | |
273 | |
274 // array allocation | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
275 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread)) |
0 | 276 JRT_BLOCK; |
277 #ifndef PRODUCT | |
278 SharedRuntime::_new_array_ctr++; // new array requires GC | |
279 #endif | |
280 assert(check_compiled_frame(thread), "incorrect caller"); | |
281 | |
282 // Scavenge and allocate an instance. | |
283 oop result; | |
284 | |
6983 | 285 if (array_type->oop_is_typeArray()) { |
0 | 286 // The oopFactory likes to work with the element type. |
287 // (We could bypass the oopFactory, since it doesn't add much value.) | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
288 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
0 | 289 result = oopFactory::new_typeArray(elem_type, len, THREAD); |
290 } else { | |
291 // Although the oopFactory likes to work with the elem_type, | |
292 // the compiler prefers the array_type, since it must already have | |
293 // that latter value in hand for the fast path. | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
294 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass(); |
0 | 295 result = oopFactory::new_objArray(elem_type, len, THREAD); |
296 } | |
297 | |
298 // Pass oops back through thread local storage. Our apparent type to Java | |
299 // is that we return an oop, but we can block on exit from this routine and | |
300 // a GC can trash the oop in C's return register. The generated stub will | |
301 // fetch the oop from TLS after any possible GC. | |
302 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
303 thread->set_vm_result(result); | |
304 JRT_BLOCK_END; | |
305 | |
306 if (GraphKit::use_ReduceInitialCardMarks()) { | |
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
307 // inform GC that we won't do card marks for initializing writes. |
1166 | 308 new_store_pre_barrier(thread); |
0 | 309 } |
310 JRT_END | |
311 | |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
312 // array allocation without zeroing |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
313 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread)) |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
314 JRT_BLOCK; |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
315 #ifndef PRODUCT |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
316 SharedRuntime::_new_array_ctr++; // new array requires GC |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
317 #endif |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
318 assert(check_compiled_frame(thread), "incorrect caller"); |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
319 |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
320 // Scavenge and allocate an instance. |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
321 oop result; |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
322 |
6983 | 323 assert(array_type->oop_is_typeArray(), "should be called only for type array"); |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
324 // The oopFactory likes to work with the element type. |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
325 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
326 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD); |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
327 |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
328 // Pass oops back through thread local storage. Our apparent type to Java |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
329 // is that we return an oop, but we can block on exit from this routine and |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
330 // a GC can trash the oop in C's return register. The generated stub will |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
331 // fetch the oop from TLS after any possible GC. |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
332 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
333 thread->set_vm_result(result); |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
334 JRT_BLOCK_END; |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
335 |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
336 if (GraphKit::use_ReduceInitialCardMarks()) { |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
337 // inform GC that we won't do card marks for initializing writes. |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
338 new_store_pre_barrier(thread); |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
339 } |
4063
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
340 |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
341 oop result = thread->vm_result(); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
342 if ((len > 0) && (result != NULL) && |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
343 is_deoptimized_caller_frame(thread)) { |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
344 // Zero array here if the caller is deoptimized. |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
345 int size = ((typeArrayOop)result)->object_size(); |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
346 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
4063
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
347 const size_t hs = arrayOopDesc::header_size(elem_type); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
348 // Align to next 8 bytes to avoid trashing arrays's length. |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
349 const size_t aligned_hs = align_object_offset(hs); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
350 HeapWord* obj = (HeapWord*)result; |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
351 if (aligned_hs > hs) { |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
352 Copy::zero_to_words(obj+hs, aligned_hs-hs); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
353 } |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
354 // Optimized zeroing. |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
355 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
356 } |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
357 |
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
358 JRT_END |
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
359 |
0 | 360 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. |
361 | |
362 // multianewarray for 2 dimensions | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
363 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread)) |
0 | 364 #ifndef PRODUCT |
365 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension | |
366 #endif | |
367 assert(check_compiled_frame(thread), "incorrect caller"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
368 assert(elem_type->is_klass(), "not a class"); |
0 | 369 jint dims[2]; |
370 dims[0] = len1; | |
371 dims[1] = len2; | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
372 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); |
0 | 373 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
374 thread->set_vm_result(obj); | |
375 JRT_END | |
376 | |
377 // multianewarray for 3 dimensions | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
378 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread)) |
0 | 379 #ifndef PRODUCT |
380 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension | |
381 #endif | |
382 assert(check_compiled_frame(thread), "incorrect caller"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
383 assert(elem_type->is_klass(), "not a class"); |
0 | 384 jint dims[3]; |
385 dims[0] = len1; | |
386 dims[1] = len2; | |
387 dims[2] = len3; | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
388 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); |
0 | 389 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
390 thread->set_vm_result(obj); | |
391 JRT_END | |
392 | |
393 // multianewarray for 4 dimensions | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
394 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) |
0 | 395 #ifndef PRODUCT |
396 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension | |
397 #endif | |
398 assert(check_compiled_frame(thread), "incorrect caller"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
399 assert(elem_type->is_klass(), "not a class"); |
0 | 400 jint dims[4]; |
401 dims[0] = len1; | |
402 dims[1] = len2; | |
403 dims[2] = len3; | |
404 dims[3] = len4; | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
405 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); |
0 | 406 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
407 thread->set_vm_result(obj); | |
408 JRT_END | |
409 | |
410 // multianewarray for 5 dimensions | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
411 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) |
0 | 412 #ifndef PRODUCT |
413 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension | |
414 #endif | |
415 assert(check_compiled_frame(thread), "incorrect caller"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
416 assert(elem_type->is_klass(), "not a class"); |
0 | 417 jint dims[5]; |
418 dims[0] = len1; | |
419 dims[1] = len2; | |
420 dims[2] = len3; | |
421 dims[3] = len4; | |
422 dims[4] = len5; | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
423 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD); |
0 | 424 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
425 thread->set_vm_result(obj); | |
426 JRT_END | |
427 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
428 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread *thread)) |
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
429 assert(check_compiled_frame(thread), "incorrect caller"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
430 assert(elem_type->is_klass(), "not a class"); |
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
431 assert(oop(dims)->is_typeArray(), "not an array"); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
432 |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
433 ResourceMark rm; |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
434 jint len = dims->length(); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
435 assert(len > 0, "Dimensions array should contain data"); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
436 jint *j_dims = typeArrayOop(dims)->int_at_addr(0); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
437 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
438 Copy::conjoint_jints_atomic(j_dims, c_dims, len); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
439 |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
440 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD); |
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
441 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
442 thread->set_vm_result(obj); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
443 JRT_END |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
444 |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
445 |
0 | 446 const TypeFunc *OptoRuntime::new_instance_Type() { |
447 // create input type (domain) | |
448 const Type **fields = TypeTuple::fields(1); | |
449 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
450 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
451 | |
452 // create result type (range) | |
453 fields = TypeTuple::fields(1); | |
454 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
455 | |
456 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
457 | |
458 return TypeFunc::make(domain, range); | |
459 } | |
460 | |
461 | |
462 const TypeFunc *OptoRuntime::athrow_Type() { | |
463 // create input type (domain) | |
464 const Type **fields = TypeTuple::fields(1); | |
465 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
466 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
467 | |
468 // create result type (range) | |
469 fields = TypeTuple::fields(0); | |
470 | |
471 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
472 | |
473 return TypeFunc::make(domain, range); | |
474 } | |
475 | |
476 | |
477 const TypeFunc *OptoRuntime::new_array_Type() { | |
478 // create input type (domain) | |
479 const Type **fields = TypeTuple::fields(2); | |
480 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
481 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size | |
482 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
483 | |
484 // create result type (range) | |
485 fields = TypeTuple::fields(1); | |
486 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
487 | |
488 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
489 | |
490 return TypeFunc::make(domain, range); | |
491 } | |
492 | |
493 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { | |
494 // create input type (domain) | |
495 const int nargs = ndim + 1; | |
496 const Type **fields = TypeTuple::fields(nargs); | |
497 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
498 for( int i = 1; i < nargs; i++ ) | |
499 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size | |
500 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); | |
501 | |
502 // create result type (range) | |
503 fields = TypeTuple::fields(1); | |
504 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
505 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
506 | |
507 return TypeFunc::make(domain, range); | |
508 } | |
509 | |
510 const TypeFunc *OptoRuntime::multianewarray2_Type() { | |
511 return multianewarray_Type(2); | |
512 } | |
513 | |
514 const TypeFunc *OptoRuntime::multianewarray3_Type() { | |
515 return multianewarray_Type(3); | |
516 } | |
517 | |
518 const TypeFunc *OptoRuntime::multianewarray4_Type() { | |
519 return multianewarray_Type(4); | |
520 } | |
521 | |
522 const TypeFunc *OptoRuntime::multianewarray5_Type() { | |
523 return multianewarray_Type(5); | |
524 } | |
525 | |
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
526 const TypeFunc *OptoRuntime::multianewarrayN_Type() { |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
527 // create input type (domain) |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
528 const Type **fields = TypeTuple::fields(2); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
529 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
530 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
531 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
532 |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
533 // create result type (range) |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
534 fields = TypeTuple::fields(1); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
535 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
536 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
537 |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
538 return TypeFunc::make(domain, range); |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
539 } |
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3753
diff
changeset
|
540 |
342 | 541 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { |
542 const Type **fields = TypeTuple::fields(2); | |
543 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value | |
544 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
545 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
546 | |
547 // create result type (range) | |
548 fields = TypeTuple::fields(0); | |
549 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
550 | |
551 return TypeFunc::make(domain, range); | |
552 } | |
553 | |
554 const TypeFunc *OptoRuntime::g1_wb_post_Type() { | |
555 | |
556 const Type **fields = TypeTuple::fields(2); | |
557 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr | |
558 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
559 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
560 | |
561 // create result type (range) | |
562 fields = TypeTuple::fields(0); | |
563 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
564 | |
565 return TypeFunc::make(domain, range); | |
566 } | |
567 | |
0 | 568 const TypeFunc *OptoRuntime::uncommon_trap_Type() { |
569 // create input type (domain) | |
570 const Type **fields = TypeTuple::fields(1); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
571 // Symbol* name of class to be loaded |
0 | 572 fields[TypeFunc::Parms+0] = TypeInt::INT; |
573 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
574 | |
575 // create result type (range) | |
576 fields = TypeTuple::fields(0); | |
577 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
578 | |
579 return TypeFunc::make(domain, range); | |
580 } | |
581 | |
582 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
583 // Type used for stub generation for zap_dead_locals. | |
584 // No inputs or outputs | |
585 const TypeFunc *OptoRuntime::zap_dead_locals_Type() { | |
586 // create input type (domain) | |
587 const Type **fields = TypeTuple::fields(0); | |
588 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields); | |
589 | |
590 // create result type (range) | |
591 fields = TypeTuple::fields(0); | |
592 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields); | |
593 | |
594 return TypeFunc::make(domain,range); | |
595 } | |
596 # endif | |
597 | |
598 | |
599 //----------------------------------------------------------------------------- | |
600 // Monitor Handling | |
601 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { | |
602 // create input type (domain) | |
603 const Type **fields = TypeTuple::fields(2); | |
604 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
605 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
606 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
607 | |
608 // create result type (range) | |
609 fields = TypeTuple::fields(0); | |
610 | |
611 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
612 | |
613 return TypeFunc::make(domain,range); | |
614 } | |
615 | |
616 | |
617 //----------------------------------------------------------------------------- | |
618 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { | |
619 // create input type (domain) | |
620 const Type **fields = TypeTuple::fields(2); | |
621 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
622 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
623 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
624 | |
625 // create result type (range) | |
626 fields = TypeTuple::fields(0); | |
627 | |
628 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
629 | |
630 return TypeFunc::make(domain,range); | |
631 } | |
632 | |
633 const TypeFunc* OptoRuntime::flush_windows_Type() { | |
634 // create input type (domain) | |
635 const Type** fields = TypeTuple::fields(1); | |
636 fields[TypeFunc::Parms+0] = NULL; // void | |
637 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); | |
638 | |
639 // create result type | |
640 fields = TypeTuple::fields(1); | |
641 fields[TypeFunc::Parms+0] = NULL; // void | |
642 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
643 | |
644 return TypeFunc::make(domain, range); | |
645 } | |
646 | |
647 const TypeFunc* OptoRuntime::l2f_Type() { | |
648 // create input type (domain) | |
649 const Type **fields = TypeTuple::fields(2); | |
650 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
651 fields[TypeFunc::Parms+1] = Type::HALF; | |
652 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
653 | |
654 // create result type (range) | |
655 fields = TypeTuple::fields(1); | |
656 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
657 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
658 | |
659 return TypeFunc::make(domain, range); | |
660 } | |
661 | |
662 const TypeFunc* OptoRuntime::modf_Type() { | |
663 const Type **fields = TypeTuple::fields(2); | |
664 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
665 fields[TypeFunc::Parms+1] = Type::FLOAT; | |
666 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
667 | |
668 // create result type (range) | |
669 fields = TypeTuple::fields(1); | |
670 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
671 | |
672 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
673 | |
674 return TypeFunc::make(domain, range); | |
675 } | |
676 | |
677 const TypeFunc *OptoRuntime::Math_D_D_Type() { | |
678 // create input type (domain) | |
679 const Type **fields = TypeTuple::fields(2); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
680 // Symbol* name of class to be loaded |
0 | 681 fields[TypeFunc::Parms+0] = Type::DOUBLE; |
682 fields[TypeFunc::Parms+1] = Type::HALF; | |
683 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
684 | |
685 // create result type (range) | |
686 fields = TypeTuple::fields(2); | |
687 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
688 fields[TypeFunc::Parms+1] = Type::HALF; | |
689 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
690 | |
691 return TypeFunc::make(domain, range); | |
692 } | |
693 | |
694 const TypeFunc* OptoRuntime::Math_DD_D_Type() { | |
695 const Type **fields = TypeTuple::fields(4); | |
696 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
697 fields[TypeFunc::Parms+1] = Type::HALF; | |
698 fields[TypeFunc::Parms+2] = Type::DOUBLE; | |
699 fields[TypeFunc::Parms+3] = Type::HALF; | |
700 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields); | |
701 | |
702 // create result type (range) | |
703 fields = TypeTuple::fields(2); | |
704 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
705 fields[TypeFunc::Parms+1] = Type::HALF; | |
706 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
707 | |
708 return TypeFunc::make(domain, range); | |
709 } | |
710 | |
6006
0105f367a14c
7160570: Intrinsification support for tracing framework
rbackman
parents:
4063
diff
changeset
|
711 //-------------- currentTimeMillis, currentTimeNanos, etc |
0 | 712 |
6006
0105f367a14c
7160570: Intrinsification support for tracing framework
rbackman
parents:
4063
diff
changeset
|
713 const TypeFunc* OptoRuntime::void_long_Type() { |
0 | 714 // create input type (domain) |
715 const Type **fields = TypeTuple::fields(0); | |
716 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); | |
717 | |
718 // create result type (range) | |
719 fields = TypeTuple::fields(2); | |
720 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
721 fields[TypeFunc::Parms+1] = Type::HALF; | |
722 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
723 | |
724 return TypeFunc::make(domain, range); | |
725 } | |
726 | |
727 // arraycopy stub variations: | |
728 enum ArrayCopyType { | |
729 ac_fast, // void(ptr, ptr, size_t) | |
730 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) | |
731 ac_slow, // void(ptr, int, ptr, int, int) | |
732 ac_generic // int(ptr, int, ptr, int, int) | |
733 }; | |
734 | |
735 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { | |
736 // create input type (domain) | |
737 int num_args = (act == ac_fast ? 3 : 5); | |
738 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); | |
739 int argcnt = num_args; | |
740 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths | |
741 const Type** fields = TypeTuple::fields(argcnt); | |
742 int argp = TypeFunc::Parms; | |
743 fields[argp++] = TypePtr::NOTNULL; // src | |
744 if (num_size_args == 0) { | |
745 fields[argp++] = TypeInt::INT; // src_pos | |
746 } | |
747 fields[argp++] = TypePtr::NOTNULL; // dest | |
748 if (num_size_args == 0) { | |
749 fields[argp++] = TypeInt::INT; // dest_pos | |
750 fields[argp++] = TypeInt::INT; // length | |
751 } | |
752 while (num_size_args-- > 0) { | |
753 fields[argp++] = TypeX_X; // size in whatevers (size_t) | |
754 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length | |
755 } | |
756 if (act == ac_checkcast) { | |
757 fields[argp++] = TypePtr::NOTNULL; // super_klass | |
758 } | |
759 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); | |
760 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
761 | |
762 // create result type if needed | |
763 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); | |
764 fields = TypeTuple::fields(1); | |
765 if (retcnt == 0) | |
766 fields[TypeFunc::Parms+0] = NULL; // void | |
767 else | |
768 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed | |
769 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); | |
770 return TypeFunc::make(domain, range); | |
771 } | |
772 | |
773 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { | |
774 // This signature is simple: Two base pointers and a size_t. | |
775 return make_arraycopy_Type(ac_fast); | |
776 } | |
777 | |
778 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { | |
779 // An extension of fast_arraycopy_Type which adds type checking. | |
780 return make_arraycopy_Type(ac_checkcast); | |
781 } | |
782 | |
783 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { | |
784 // This signature is exactly the same as System.arraycopy. | |
785 // There are no intptr_t (int/long) arguments. | |
786 return make_arraycopy_Type(ac_slow); | |
787 } | |
788 | |
789 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { | |
790 // This signature is like System.arraycopy, except that it returns status. | |
791 return make_arraycopy_Type(ac_generic); | |
792 } | |
793 | |
794 | |
1763 | 795 const TypeFunc* OptoRuntime::array_fill_Type() { |
1844
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
796 // create input type (domain): pointer, int, size_t |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
797 const Type** fields = TypeTuple::fields(3 LP64_ONLY( + 1)); |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
798 int argp = TypeFunc::Parms; |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
799 fields[argp++] = TypePtr::NOTNULL; |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
800 fields[argp++] = TypeInt::INT; |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
801 fields[argp++] = TypeX_X; // size in whatevers (size_t) |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
802 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length |
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
803 const TypeTuple *domain = TypeTuple::make(argp, fields); |
1763 | 804 |
805 // create result type | |
806 fields = TypeTuple::fields(1); | |
807 fields[TypeFunc::Parms+0] = NULL; // void | |
808 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
809 | |
810 return TypeFunc::make(domain, range); | |
811 } | |
812 | |
6894 | 813 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant) |
814 const TypeFunc* OptoRuntime::aescrypt_block_Type() { | |
815 // create input type (domain) | |
816 int num_args = 3; | |
817 int argcnt = num_args; | |
818 const Type** fields = TypeTuple::fields(argcnt); | |
819 int argp = TypeFunc::Parms; | |
820 fields[argp++] = TypePtr::NOTNULL; // src | |
821 fields[argp++] = TypePtr::NOTNULL; // dest | |
822 fields[argp++] = TypePtr::NOTNULL; // k array | |
823 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); | |
824 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
825 | |
826 // no result type needed | |
827 fields = TypeTuple::fields(1); | |
828 fields[TypeFunc::Parms+0] = NULL; // void | |
829 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
830 return TypeFunc::make(domain, range); | |
831 } | |
832 | |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
833 /** |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
834 * int updateBytesCRC32(int crc, byte* b, int len) |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
835 */ |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
836 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
837 // create input type (domain) |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
838 int num_args = 3; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
839 int argcnt = num_args; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
840 const Type** fields = TypeTuple::fields(argcnt); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
841 int argp = TypeFunc::Parms; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
842 fields[argp++] = TypeInt::INT; // crc |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
843 fields[argp++] = TypePtr::NOTNULL; // src |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
844 fields[argp++] = TypeInt::INT; // len |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
845 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
846 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
847 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
848 // result type needed |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
849 fields = TypeTuple::fields(1); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
850 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
851 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
852 return TypeFunc::make(domain, range); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
853 } |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10274
diff
changeset
|
854 |
6894 | 855 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning void |
856 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { | |
857 // create input type (domain) | |
858 int num_args = 5; | |
859 int argcnt = num_args; | |
860 const Type** fields = TypeTuple::fields(argcnt); | |
861 int argp = TypeFunc::Parms; | |
862 fields[argp++] = TypePtr::NOTNULL; // src | |
863 fields[argp++] = TypePtr::NOTNULL; // dest | |
864 fields[argp++] = TypePtr::NOTNULL; // k array | |
865 fields[argp++] = TypePtr::NOTNULL; // r array | |
866 fields[argp++] = TypeInt::INT; // src len | |
867 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); | |
868 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
869 | |
870 // no result type needed | |
871 fields = TypeTuple::fields(1); | |
872 fields[TypeFunc::Parms+0] = NULL; // void | |
873 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
874 return TypeFunc::make(domain, range); | |
875 } | |
876 | |
0 | 877 //------------- Interpreter state access for on stack replacement |
878 const TypeFunc* OptoRuntime::osr_end_Type() { | |
879 // create input type (domain) | |
880 const Type **fields = TypeTuple::fields(1); | |
881 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf | |
882 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
883 | |
884 // create result type | |
885 fields = TypeTuple::fields(1); | |
886 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop | |
887 fields[TypeFunc::Parms+0] = NULL; // void | |
888 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
889 return TypeFunc::make(domain, range); | |
890 } | |
891 | |
892 //-------------- methodData update helpers | |
893 | |
894 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { | |
895 // create input type (domain) | |
896 const Type **fields = TypeTuple::fields(2); | |
897 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer | |
898 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop | |
899 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
900 | |
901 // create result type | |
902 fields = TypeTuple::fields(1); | |
903 fields[TypeFunc::Parms+0] = NULL; // void | |
904 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
905 return TypeFunc::make(domain,range); | |
906 } | |
907 | |
908 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) | |
909 if (receiver == NULL) return; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
910 Klass* receiver_klass = receiver->klass(); |
0 | 911 |
912 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); | |
913 int empty_row = -1; // free row, if any is encountered | |
914 | |
915 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); | |
916 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { | |
917 // if (vc->receiver(row) == receiver_klass) | |
918 int receiver_off = ReceiverTypeData::receiver_cell_index(row); | |
919 intptr_t row_recv = *(mdp + receiver_off); | |
920 if (row_recv == (intptr_t) receiver_klass) { | |
921 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); | |
922 int count_off = ReceiverTypeData::receiver_count_cell_index(row); | |
923 *(mdp + count_off) += DataLayout::counter_increment; | |
924 return; | |
925 } else if (row_recv == 0) { | |
926 // else if (vc->receiver(row) == NULL) | |
927 empty_row = (int) row; | |
928 } | |
929 } | |
930 | |
931 if (empty_row != -1) { | |
932 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); | |
933 // vc->set_receiver(empty_row, receiver_klass); | |
934 *(mdp + receiver_off) = (intptr_t) receiver_klass; | |
935 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); | |
936 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); | |
937 *(mdp + count_off) = DataLayout::counter_increment; | |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
938 } else { |
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
939 // Receiver did not match any saved receiver and there is no empty row for it. |
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1206
diff
changeset
|
940 // Increment total counter to indicate polymorphic case. |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
941 intptr_t* count_p = (intptr_t*)(((byte*)(data)) + in_bytes(CounterData::count_offset())); |
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
942 *count_p += DataLayout::counter_increment; |
0 | 943 } |
944 JRT_END | |
945 | |
946 //------------------------------------------------------------------------------------- | |
947 // register policy | |
948 | |
949 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { | |
950 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); | |
951 switch (register_save_policy[reg]) { | |
952 case 'C': return false; //SOC | |
953 case 'E': return true ; //SOE | |
954 case 'N': return false; //NS | |
955 case 'A': return false; //AS | |
956 } | |
957 ShouldNotReachHere(); | |
958 return false; | |
959 } | |
960 | |
961 //----------------------------------------------------------------------- | |
962 // Exceptions | |
963 // | |
964 | |
965 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; | |
966 | |
967 // The method is an entry that is always called by a C++ method not | |
968 // directly from compiled code. Compiled code will call the C++ method following. | |
969 // We can't allow async exception to be installed during exception processing. | |
970 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) | |
971 | |
972 // Do not confuse exception_oop with pending_exception. The exception_oop | |
973 // is only used to pass arguments into the method. Not for general | |
974 // exception handling. DO NOT CHANGE IT to use pending_exception, since | |
975 // the runtime stubs checks this on exit. | |
976 assert(thread->exception_oop() != NULL, "exception oop is found"); | |
977 address handler_address = NULL; | |
978 | |
979 Handle exception(thread, thread->exception_oop()); | |
12876
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
980 address pc = thread->exception_pc(); |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
981 |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
982 // Clear out the exception oop and pc since looking up an |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
983 // exception handler can cause class loading, which might throw an |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
984 // exception and those fields are expected to be clear during |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
985 // normal bytecode execution. |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
986 thread->clear_exception_oop_and_pc(); |
0 | 987 |
988 if (TraceExceptions) { | |
12876
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
989 trace_exception(exception(), pc, ""); |
0 | 990 } |
12876
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
991 |
0 | 992 // for AbortVMOnException flag |
993 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
994 | |
12876
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
995 #ifdef ASSERT |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
996 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
997 // should throw an exception here |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
998 ShouldNotReachHere(); |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
999 } |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
1000 #endif |
0 | 1001 |
1002 // new exception handling: this method is entered only from adapters | |
1003 // exceptions from compiled java methods are handled in compiled code | |
1004 // using rethrow node | |
1005 | |
1006 nm = CodeCache::find_nmethod(pc); | |
1007 assert(nm != NULL, "No NMethod found"); | |
1008 if (nm->is_native_method()) { | |
12876
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
1009 fatal("Native method should not have path to exception handling"); |
0 | 1010 } else { |
1011 // we are switching to old paradigm: search for exception handler in caller_frame | |
1012 // instead in exception handler of caller_frame.sender() | |
1013 | |
1213
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1166
diff
changeset
|
1014 if (JvmtiExport::can_post_on_exceptions()) { |
0 | 1015 // "Full-speed catching" is not necessary here, |
1016 // since we're notifying the VM on every catch. | |
1017 // Force deoptimization and the rest of the lookup | |
1018 // will be fine. | |
7428
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1019 deoptimize_caller_frame(thread); |
0 | 1020 } |
1021 | |
1022 // Check the stack guard pages. If enabled, look for handler in this frame; | |
1023 // otherwise, forcibly unwind the frame. | |
1024 // | |
1025 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. | |
1026 bool force_unwind = !thread->reguard_stack(); | |
1027 bool deopting = false; | |
1028 if (nm->is_deopt_pc(pc)) { | |
1029 deopting = true; | |
1030 RegisterMap map(thread, false); | |
1031 frame deoptee = thread->last_frame().sender(&map); | |
1032 assert(deoptee.is_deoptimized_frame(), "must be deopted"); | |
1033 // Adjust the pc back to the original throwing pc | |
1034 pc = deoptee.pc(); | |
1035 } | |
1036 | |
1037 // If we are forcing an unwind because of stack overflow then deopt is | |
1038 // irrelevant sice we are throwing the frame away anyway. | |
1039 | |
1040 if (deopting && !force_unwind) { | |
1041 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
1042 } else { | |
1043 | |
1044 handler_address = | |
1045 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); | |
1046 | |
1047 if (handler_address == NULL) { | |
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1048 Handle original_exception(thread, exception()); |
0 | 1049 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true); |
1050 assert (handler_address != NULL, "must have compiled handler"); | |
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1051 // Update the exception cache only when the unwind was not forced |
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1052 // and there didn't happen another exception during the computation of the |
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1053 // compiled exception handler. |
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1054 if (!force_unwind && original_exception() == exception()) { |
0 | 1055 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); |
1056 } | |
1057 } else { | |
1058 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same"); | |
1059 } | |
1060 } | |
1061 | |
1062 thread->set_exception_pc(pc); | |
1063 thread->set_exception_handler_pc(handler_address); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1027
diff
changeset
|
1064 |
1295 | 1065 // Check if the exception PC is a MethodHandle call site. |
1368
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1295
diff
changeset
|
1066 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
0 | 1067 } |
1068 | |
1069 // Restore correct return pc. Was saved above. | |
1070 thread->set_exception_oop(exception()); | |
1071 return handler_address; | |
1072 | |
1073 JRT_END | |
1074 | |
1075 // We are entering here from exception_blob | |
1076 // If there is a compiled exception handler in this method, we will continue there; | |
1077 // otherwise we will unwind the stack and continue at the caller of top frame method | |
1078 // Note we enter without the usual JRT wrapper. We will call a helper routine that | |
1079 // will do the normal VM entry. We do it this way so that we can see if the nmethod | |
1080 // we looked up the handler for has been deoptimized in the meantime. If it has been | |
1081 // we must not use the handler and instread return the deopt blob. | |
1082 address OptoRuntime::handle_exception_C(JavaThread* thread) { | |
1083 // | |
1084 // We are in Java not VM and in debug mode we have a NoHandleMark | |
1085 // | |
1086 #ifndef PRODUCT | |
1087 SharedRuntime::_find_handler_ctr++; // find exception handler | |
1088 #endif | |
1089 debug_only(NoHandleMark __hm;) | |
1090 nmethod* nm = NULL; | |
1091 address handler_address = NULL; | |
1092 { | |
1093 // Enter the VM | |
1094 | |
1095 ResetNoHandleMark rnhm; | |
1096 handler_address = handle_exception_C_helper(thread, nm); | |
1097 } | |
1098 | |
1099 // Back in java: Use no oops, DON'T safepoint | |
1100 | |
1101 // Now check to see if the handler we are returning is in a now | |
1102 // deoptimized frame | |
1103 | |
1104 if (nm != NULL) { | |
1105 RegisterMap map(thread, false); | |
1106 frame caller = thread->last_frame().sender(&map); | |
1107 #ifdef ASSERT | |
1108 assert(caller.is_compiled_frame(), "must be"); | |
1109 #endif // ASSERT | |
1110 if (caller.is_deoptimized_frame()) { | |
1111 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
1112 } | |
1113 } | |
1114 return handler_address; | |
1115 } | |
1116 | |
1117 //------------------------------rethrow---------------------------------------- | |
1118 // We get here after compiled code has executed a 'RethrowNode'. The callee | |
1119 // is either throwing or rethrowing an exception. The callee-save registers | |
1120 // have been restored, synchronized objects have been unlocked and the callee | |
1121 // stack frame has been removed. The return address was passed in. | |
1122 // Exception oop is passed as the 1st argument. This routine is then called | |
1123 // from the stub. On exit, we know where to jump in the caller's code. | |
1124 // After this C code exits, the stub will pop his frame and end in a jump | |
1125 // (instead of a return). We enter the caller's default handler. | |
1126 // | |
1127 // This must be JRT_LEAF: | |
1128 // - caller will not change its state as we cannot block on exit, | |
1129 // therefore raw_exception_handler_for_return_address is all it takes | |
1130 // to handle deoptimized blobs | |
1131 // | |
1132 // However, there needs to be a safepoint check in the middle! So compiled | |
1133 // safepoints are completely watertight. | |
1134 // | |
1135 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. | |
1136 // | |
1137 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* | |
1138 // | |
1139 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { | |
1140 #ifndef PRODUCT | |
1141 SharedRuntime::_rethrow_ctr++; // count rethrows | |
1142 #endif | |
1143 assert (exception != NULL, "should have thrown a NULLPointerException"); | |
1144 #ifdef ASSERT | |
1142 | 1145 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
0 | 1146 // should throw an exception here |
1147 ShouldNotReachHere(); | |
1148 } | |
1149 #endif | |
1150 | |
1151 thread->set_vm_result(exception); | |
1152 // Frame not compiled (handles deoptimization blob) | |
1295 | 1153 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); |
0 | 1154 } |
1155 | |
1156 | |
1157 const TypeFunc *OptoRuntime::rethrow_Type() { | |
1158 // create input type (domain) | |
1159 const Type **fields = TypeTuple::fields(1); | |
1160 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
1161 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
1162 | |
1163 // create result type (range) | |
1164 fields = TypeTuple::fields(1); | |
1165 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
1166 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
1167 | |
1168 return TypeFunc::make(domain, range); | |
1169 } | |
1170 | |
1171 | |
1172 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { | |
7428
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1173 // Deoptimize the caller before continuing, as the compiled |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1174 // exception handler table may not be valid. |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1175 if (!StressCompiledExceptionHandlers && doit) { |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1176 deoptimize_caller_frame(thread); |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1177 } |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1178 } |
0 | 1179 |
7428
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1180 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) { |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1181 // Called from within the owner thread, so no need for safepoint |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1182 RegisterMap reg_map(thread); |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1183 frame stub_frame = thread->last_frame(); |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1184 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1185 frame caller_frame = stub_frame.sender(®_map); |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1186 |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1187 // Deoptimize the caller frame. |
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1188 Deoptimization::deoptimize_frame(thread, caller_frame.id()); |
0 | 1189 } |
1190 | |
1191 | |
4063
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1192 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1193 // Called from within the owner thread, so no need for safepoint |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1194 RegisterMap reg_map(thread); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1195 frame stub_frame = thread->last_frame(); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1196 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1197 frame caller_frame = stub_frame.sender(®_map); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1198 return caller_frame.is_deoptimized_frame(); |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1199 } |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1200 |
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1201 |
0 | 1202 const TypeFunc *OptoRuntime::register_finalizer_Type() { |
1203 // create input type (domain) | |
1204 const Type **fields = TypeTuple::fields(1); | |
1205 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver | |
1206 // // The JavaThread* is passed to each routine as the last argument | |
1207 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread | |
1208 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
1209 | |
1210 // create result type (range) | |
1211 fields = TypeTuple::fields(0); | |
1212 | |
1213 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
1214 | |
1215 return TypeFunc::make(domain,range); | |
1216 } | |
1217 | |
1218 | |
1219 //----------------------------------------------------------------------------- | |
1220 // Dtrace support. entry and exit probes have the same signature | |
1221 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { | |
1222 // create input type (domain) | |
1223 const Type **fields = TypeTuple::fields(2); | |
1224 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
6739
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
6725
diff
changeset
|
1225 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering |
0 | 1226 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); |
1227 | |
1228 // create result type (range) | |
1229 fields = TypeTuple::fields(0); | |
1230 | |
1231 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
1232 | |
1233 return TypeFunc::make(domain,range); | |
1234 } | |
1235 | |
1236 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { | |
1237 // create input type (domain) | |
1238 const Type **fields = TypeTuple::fields(2); | |
1239 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
1240 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object | |
1241 | |
1242 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
1243 | |
1244 // create result type (range) | |
1245 fields = TypeTuple::fields(0); | |
1246 | |
1247 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
1248 | |
1249 return TypeFunc::make(domain,range); | |
1250 } | |
1251 | |
1252 | |
1253 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) | |
1254 assert(obj->is_oop(), "must be a valid oop"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
1255 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
1256 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
0 | 1257 JRT_END |
1258 | |
1259 //----------------------------------------------------------------------------- | |
1260 | |
1261 NamedCounter * volatile OptoRuntime::_named_counters = NULL; | |
1262 | |
1263 // | |
1264 // dump the collected NamedCounters. | |
1265 // | |
1266 void OptoRuntime::print_named_counters() { | |
1267 int total_lock_count = 0; | |
1268 int eliminated_lock_count = 0; | |
1269 | |
1270 NamedCounter* c = _named_counters; | |
1271 while (c) { | |
1272 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { | |
1273 int count = c->count(); | |
1274 if (count > 0) { | |
1275 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; | |
1276 if (Verbose) { | |
1277 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); | |
1278 } | |
1279 total_lock_count += count; | |
1280 if (eliminated) { | |
1281 eliminated_lock_count += count; | |
1282 } | |
1283 } | |
1284 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { | |
1285 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); | |
1286 if (blc->nonzero()) { | |
1287 tty->print_cr("%s", c->name()); | |
1288 blc->print_on(tty); | |
1289 } | |
1290 } | |
1291 c = c->next(); | |
1292 } | |
1293 if (total_lock_count > 0) { | |
1294 tty->print_cr("dynamic locks: %d", total_lock_count); | |
1295 if (eliminated_lock_count) { | |
1296 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, | |
1297 (int)(eliminated_lock_count * 100.0 / total_lock_count)); | |
1298 } | |
1299 } | |
1300 } | |
1301 | |
1302 // | |
1303 // Allocate a new NamedCounter. The JVMState is used to generate the | |
1304 // name which consists of method@line for the inlining tree. | |
1305 // | |
1306 | |
1307 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { | |
1308 int max_depth = youngest_jvms->depth(); | |
1309 | |
1310 // Visit scopes from youngest to oldest. | |
1311 bool first = true; | |
1312 stringStream st; | |
1313 for (int depth = max_depth; depth >= 1; depth--) { | |
1314 JVMState* jvms = youngest_jvms->of_depth(depth); | |
1315 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; | |
1316 if (!first) { | |
1317 st.print(" "); | |
1318 } else { | |
1319 first = false; | |
1320 } | |
1321 int bci = jvms->bci(); | |
1322 if (bci < 0) bci = 0; | |
1323 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); | |
1324 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) | |
1325 } | |
1326 NamedCounter* c; | |
1327 if (tag == NamedCounter::BiasedLockingCounter) { | |
1328 c = new BiasedLockingNamedCounter(strdup(st.as_string())); | |
1329 } else { | |
1330 c = new NamedCounter(strdup(st.as_string()), tag); | |
1331 } | |
1332 | |
1333 // atomically add the new counter to the head of the list. We only | |
1334 // add counters so this is safe. | |
1335 NamedCounter* head; | |
1336 do { | |
1337 head = _named_counters; | |
1338 c->set_next(head); | |
1339 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); | |
1340 return c; | |
1341 } | |
1342 | |
1343 //----------------------------------------------------------------------------- | |
1344 // Non-product code | |
1345 #ifndef PRODUCT | |
1346 | |
1347 int trace_exception_counter = 0; | |
1348 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { | |
1349 ttyLocker ttyl; | |
1350 trace_exception_counter++; | |
1351 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); | |
1352 exception_oop->print_value(); | |
1353 tty->print(" in "); | |
1354 CodeBlob* blob = CodeCache::find_blob(exception_pc); | |
1355 if (blob->is_nmethod()) { | |
12876
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
1356 nmethod* nm = blob->as_nmethod_or_null(); |
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
twisti
parents:
11080
diff
changeset
|
1357 nm->method()->print_value(); |
0 | 1358 } else if (blob->is_runtime_stub()) { |
1359 tty->print("<runtime-stub>"); | |
1360 } else { | |
1361 tty->print("<unknown>"); | |
1362 } | |
1363 tty->print(" at " INTPTR_FORMAT, exception_pc); | |
1364 tty->print_cr("]"); | |
1365 } | |
1366 | |
1367 #endif // PRODUCT | |
1368 | |
1369 | |
1370 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
1371 // Called from call sites in compiled code with oop maps (actually safepoints) | |
1372 // Zaps dead locals in first java frame. | |
1373 // Is entry because may need to lock to generate oop maps | |
1374 // Currently, only used for compiler frames, but someday may be used | |
1375 // for interpreter frames, too. | |
1376 | |
1377 int OptoRuntime::ZapDeadCompiledLocals_count = 0; | |
1378 | |
1379 // avoid pointers to member funcs with these helpers | |
1380 static bool is_java_frame( frame* f) { return f->is_java_frame(); } | |
1381 static bool is_native_frame(frame* f) { return f->is_native_frame(); } | |
1382 | |
1383 | |
1384 void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread, | |
1385 bool (*is_this_the_right_frame_to_zap)(frame*)) { | |
1386 assert(JavaThread::current() == thread, "is this needed?"); | |
1387 | |
1388 if ( !ZapDeadCompiledLocals ) return; | |
1389 | |
1390 bool skip = false; | |
1391 | |
1392 if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special | |
1393 else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true; | |
1394 else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count ) | |
1395 warning("starting zapping after skipping"); | |
1396 | |
1397 if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special | |
1398 else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true; | |
1399 else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count ) | |
1400 warning("about to zap last zap"); | |
1401 | |
1402 ++ZapDeadCompiledLocals_count; // counts skipped zaps, too | |
1403 | |
1404 if ( skip ) return; | |
1405 | |
1406 // find java frame and zap it | |
1407 | |
1408 for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) { | |
1409 if (is_this_the_right_frame_to_zap(sfs.current()) ) { | |
1410 sfs.current()->zap_dead_locals(thread, sfs.register_map()); | |
1411 return; | |
1412 } | |
1413 } | |
1414 warning("no frame found to zap in zap_dead_Java_locals_C"); | |
1415 } | |
1416 | |
1417 JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread)) | |
1418 zap_dead_java_or_native_locals(thread, is_java_frame); | |
1419 JRT_END | |
1420 | |
1421 // The following does not work because for one thing, the | |
1422 // thread state is wrong; it expects java, but it is native. | |
605 | 1423 // Also, the invariants in a native stub are different and |
0 | 1424 // I'm not sure it is safe to have a MachCalRuntimeDirectNode |
1425 // in there. | |
1426 // So for now, we do not zap in native stubs. | |
1427 | |
1428 JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread)) | |
1429 zap_dead_java_or_native_locals(thread, is_native_frame); | |
1430 JRT_END | |
1431 | |
1432 # endif |