Mercurial > hg > graal-compiler
annotate src/share/vm/opto/runtime.cpp @ 10408:836a62f43af9
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Wed, 19 Jun 2013 10:45:56 +0200 |
| parents | f2aebc22372a e76dd894b984 |
| children | 6b0fd0964b87 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6006
0105f367a14c
7160570: Intrinsification support for tracing framework
rbackman
parents:
4063
diff
changeset
|
2 * Copyright (c) 1998, 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:
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:
3442
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 | |
|
3442
f7d55ea6ee56
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) \ | |
| 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) | |
| 142 | |
| 143 void OptoRuntime::generate(ciEnv* env) { | |
| 144 | |
| 145 generate_exception_blob(); | |
| 146 | |
| 147 // Note: tls: Means fetching the return oop out of the thread-local storage | |
| 148 // | |
| 149 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc | |
| 150 // ------------------------------------------------------------------------------------------------------------------------------- | |
| 151 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); | |
| 152 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
|
153 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false); |
| 0 | 154 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); |
| 155 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); | |
| 156 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); | |
| 157 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:
3442
diff
changeset
|
158 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false); |
| 342 | 159 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); |
| 160 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); | |
| 0 | 161 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C , 0 , false, false, false); |
| 162 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); | |
| 163 | |
| 164 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); | |
| 165 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); | |
| 166 | |
| 167 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 168 gen(env, _zap_dead_Java_locals_Java , zap_dead_locals_Type , zap_dead_Java_locals_C , 0 , false, true , false ); | |
| 169 gen(env, _zap_dead_native_locals_Java , zap_dead_locals_Type , zap_dead_native_locals_C , 0 , false, true , false ); | |
| 170 # endif | |
| 171 | |
| 172 } | |
| 173 | |
| 174 #undef gen | |
| 175 | |
| 176 | |
| 177 // Helper method to do generation of RunTimeStub's | |
| 178 address OptoRuntime::generate_stub( ciEnv* env, | |
| 179 TypeFunc_generator gen, address C_function, | |
| 180 const char *name, int is_fancy_jump, | |
| 181 bool pass_tls, | |
| 182 bool save_argument_registers, | |
| 183 bool return_pc ) { | |
| 184 ResourceMark rm; | |
| 185 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc ); | |
| 186 return C.stub_entry_point(); | |
| 187 } | |
| 188 | |
| 189 const char* OptoRuntime::stub_name(address entry) { | |
| 190 #ifndef PRODUCT | |
| 191 CodeBlob* cb = CodeCache::find_blob(entry); | |
| 192 RuntimeStub* rs =(RuntimeStub *)cb; | |
| 193 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub"); | |
| 194 return rs->name(); | |
| 195 #else | |
| 196 // Fast implementation for product mode (maybe it should be inlined too) | |
| 197 return "runtime stub"; | |
| 198 #endif | |
| 199 } | |
| 200 | |
| 201 | |
| 202 //============================================================================= | |
| 203 // Opto compiler runtime routines | |
| 204 //============================================================================= | |
| 205 | |
| 206 | |
| 207 //=============================allocation====================================== | |
| 208 // We failed the fast-path allocation. Now we need to do a scavenge or GC | |
| 209 // and try allocation again. | |
| 210 | |
| 1166 | 211 void OptoRuntime::new_store_pre_barrier(JavaThread* thread) { |
| 0 | 212 // 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
|
213 // 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
|
214 // 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
|
215 // GC may take any compensating steps. |
|
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
216 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
| 0 | 217 |
| 218 oop new_obj = thread->vm_result(); | |
| 219 if (new_obj == NULL) return; | |
| 220 | |
| 221 assert(Universe::heap()->can_elide_tlab_store_barriers(), | |
| 222 "compiler must check this first"); | |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
223 // GC may decide to give back a safer copy of new_obj. |
| 1166 | 224 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
| 0 | 225 thread->set_vm_result(new_obj); |
| 226 } | |
| 227 | |
| 228 // object allocation | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
229 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread)) |
| 0 | 230 JRT_BLOCK; |
| 231 #ifndef PRODUCT | |
| 232 SharedRuntime::_new_instance_ctr++; // new instance requires GC | |
| 233 #endif | |
| 234 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 235 | |
| 236 // These checks are cheap to make and support reflective allocation. | |
| 6983 | 237 int lh = klass->layout_helper(); |
| 0 | 238 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
|
239 || !InstanceKlass::cast(klass)->is_initialized()) { |
| 0 | 240 KlassHandle kh(THREAD, klass); |
| 241 kh->check_valid_for_instantiation(false, THREAD); | |
| 242 if (!HAS_PENDING_EXCEPTION) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
243 InstanceKlass::cast(kh())->initialize(THREAD); |
| 0 | 244 } |
| 245 if (!HAS_PENDING_EXCEPTION) { | |
| 246 klass = kh(); | |
| 247 } else { | |
| 248 klass = NULL; | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 if (klass != NULL) { | |
| 253 // Scavenge and allocate an instance. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
254 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD); |
| 0 | 255 thread->set_vm_result(result); |
| 256 | |
| 257 // Pass oops back through thread local storage. Our apparent type to Java | |
| 258 // is that we return an oop, but we can block on exit from this routine and | |
| 259 // a GC can trash the oop in C's return register. The generated stub will | |
| 260 // fetch the oop from TLS after any possible GC. | |
| 261 } | |
| 262 | |
| 263 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 264 JRT_BLOCK_END; | |
| 265 | |
| 266 if (GraphKit::use_ReduceInitialCardMarks()) { | |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
267 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 268 new_store_pre_barrier(thread); |
| 0 | 269 } |
| 270 JRT_END | |
| 271 | |
| 272 | |
| 273 // array allocation | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
274 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread)) |
| 0 | 275 JRT_BLOCK; |
| 276 #ifndef PRODUCT | |
| 277 SharedRuntime::_new_array_ctr++; // new array requires GC | |
| 278 #endif | |
| 279 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 280 | |
| 281 // Scavenge and allocate an instance. | |
| 282 oop result; | |
| 283 | |
| 6983 | 284 if (array_type->oop_is_typeArray()) { |
| 0 | 285 // The oopFactory likes to work with the element type. |
| 286 // (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
|
287 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
| 0 | 288 result = oopFactory::new_typeArray(elem_type, len, THREAD); |
| 289 } else { | |
| 290 // Although the oopFactory likes to work with the elem_type, | |
| 291 // the compiler prefers the array_type, since it must already have | |
| 292 // that latter value in hand for the fast path. | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
293 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass(); |
| 0 | 294 result = oopFactory::new_objArray(elem_type, len, THREAD); |
| 295 } | |
| 296 | |
| 297 // Pass oops back through thread local storage. Our apparent type to Java | |
| 298 // is that we return an oop, but we can block on exit from this routine and | |
| 299 // a GC can trash the oop in C's return register. The generated stub will | |
| 300 // fetch the oop from TLS after any possible GC. | |
| 301 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 302 thread->set_vm_result(result); | |
| 303 JRT_BLOCK_END; | |
| 304 | |
| 305 if (GraphKit::use_ReduceInitialCardMarks()) { | |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
306 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 307 new_store_pre_barrier(thread); |
| 0 | 308 } |
| 309 JRT_END | |
| 310 | |
|
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
311 // array allocation without zeroing |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
312 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
|
313 JRT_BLOCK; |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
314 #ifndef PRODUCT |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
315 SharedRuntime::_new_array_ctr++; // new array requires GC |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
316 #endif |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
317 assert(check_compiled_frame(thread), "incorrect caller"); |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
318 |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
319 // Scavenge and allocate an instance. |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
320 oop result; |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
321 |
| 6983 | 322 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
|
323 // The oopFactory likes to work with the element type. |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
324 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
|
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
325 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD); |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
326 |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
327 // 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
|
328 // 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
|
329 // 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
|
330 // fetch the oop from TLS after any possible GC. |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
331 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
332 thread->set_vm_result(result); |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
333 JRT_BLOCK_END; |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
334 |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
335 if (GraphKit::use_ReduceInitialCardMarks()) { |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
336 // 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
|
337 new_store_pre_barrier(thread); |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
338 } |
|
4063
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
339 |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
340 oop result = thread->vm_result(); |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
341 if ((len > 0) && (result != NULL) && |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
342 is_deoptimized_caller_frame(thread)) { |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
343 // Zero array here if the caller is deoptimized. |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
344 int size = ((typeArrayOop)result)->object_size(); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
345 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
|
346 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
|
347 // 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
|
348 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
|
349 HeapWord* obj = (HeapWord*)result; |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
350 if (aligned_hs > hs) { |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
351 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
|
352 } |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
353 // Optimized zeroing. |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
354 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
|
355 } |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
356 |
|
3961
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
357 JRT_END |
|
a92cdbac8b9e
7081933: Use zeroing elimination optimization for large array
kvn
parents:
3899
diff
changeset
|
358 |
| 0 | 359 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. |
| 360 | |
| 361 // multianewarray for 2 dimensions | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
362 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread)) |
| 0 | 363 #ifndef PRODUCT |
| 364 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension | |
| 365 #endif | |
| 366 assert(check_compiled_frame(thread), "incorrect caller"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
367 assert(elem_type->is_klass(), "not a class"); |
| 0 | 368 jint dims[2]; |
| 369 dims[0] = len1; | |
| 370 dims[1] = len2; | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
371 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); |
| 0 | 372 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 373 thread->set_vm_result(obj); | |
| 374 JRT_END | |
| 375 | |
| 376 // multianewarray for 3 dimensions | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
377 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread)) |
| 0 | 378 #ifndef PRODUCT |
| 379 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension | |
| 380 #endif | |
| 381 assert(check_compiled_frame(thread), "incorrect caller"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
382 assert(elem_type->is_klass(), "not a class"); |
| 0 | 383 jint dims[3]; |
| 384 dims[0] = len1; | |
| 385 dims[1] = len2; | |
| 386 dims[2] = len3; | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
387 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); |
| 0 | 388 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 389 thread->set_vm_result(obj); | |
| 390 JRT_END | |
| 391 | |
| 392 // multianewarray for 4 dimensions | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
393 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) |
| 0 | 394 #ifndef PRODUCT |
| 395 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension | |
| 396 #endif | |
| 397 assert(check_compiled_frame(thread), "incorrect caller"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
398 assert(elem_type->is_klass(), "not a class"); |
| 0 | 399 jint dims[4]; |
| 400 dims[0] = len1; | |
| 401 dims[1] = len2; | |
| 402 dims[2] = len3; | |
| 403 dims[3] = len4; | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
404 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); |
| 0 | 405 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 406 thread->set_vm_result(obj); | |
| 407 JRT_END | |
| 408 | |
| 409 // multianewarray for 5 dimensions | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
410 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) |
| 0 | 411 #ifndef PRODUCT |
| 412 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension | |
| 413 #endif | |
| 414 assert(check_compiled_frame(thread), "incorrect caller"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
415 assert(elem_type->is_klass(), "not a class"); |
| 0 | 416 jint dims[5]; |
| 417 dims[0] = len1; | |
| 418 dims[1] = len2; | |
| 419 dims[2] = len3; | |
| 420 dims[3] = len4; | |
| 421 dims[4] = len5; | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
422 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD); |
| 0 | 423 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 424 thread->set_vm_result(obj); | |
| 425 JRT_END | |
| 426 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
427 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:
3442
diff
changeset
|
428 assert(check_compiled_frame(thread), "incorrect caller"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
429 assert(elem_type->is_klass(), "not a class"); |
|
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
430 assert(oop(dims)->is_typeArray(), "not an array"); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
431 |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
432 ResourceMark rm; |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
433 jint len = dims->length(); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
434 assert(len > 0, "Dimensions array should contain data"); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
435 jint *j_dims = typeArrayOop(dims)->int_at_addr(0); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
436 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
437 Copy::conjoint_jints_atomic(j_dims, c_dims, len); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
438 |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6739
diff
changeset
|
439 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:
3442
diff
changeset
|
440 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
441 thread->set_vm_result(obj); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
442 JRT_END |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
443 |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
444 |
| 0 | 445 const TypeFunc *OptoRuntime::new_instance_Type() { |
| 446 // create input type (domain) | |
| 447 const Type **fields = TypeTuple::fields(1); | |
| 448 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 449 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 450 | |
| 451 // create result type (range) | |
| 452 fields = TypeTuple::fields(1); | |
| 453 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 454 | |
| 455 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 456 | |
| 457 return TypeFunc::make(domain, range); | |
| 458 } | |
| 459 | |
| 460 | |
| 461 const TypeFunc *OptoRuntime::athrow_Type() { | |
| 462 // create input type (domain) | |
| 463 const Type **fields = TypeTuple::fields(1); | |
| 464 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 465 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 466 | |
| 467 // create result type (range) | |
| 468 fields = TypeTuple::fields(0); | |
| 469 | |
| 470 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 471 | |
| 472 return TypeFunc::make(domain, range); | |
| 473 } | |
| 474 | |
| 475 | |
| 476 const TypeFunc *OptoRuntime::new_array_Type() { | |
| 477 // create input type (domain) | |
| 478 const Type **fields = TypeTuple::fields(2); | |
| 479 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 480 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size | |
| 481 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 482 | |
| 483 // create result type (range) | |
| 484 fields = TypeTuple::fields(1); | |
| 485 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 486 | |
| 487 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 488 | |
| 489 return TypeFunc::make(domain, range); | |
| 490 } | |
| 491 | |
| 492 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { | |
| 493 // create input type (domain) | |
| 494 const int nargs = ndim + 1; | |
| 495 const Type **fields = TypeTuple::fields(nargs); | |
| 496 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 497 for( int i = 1; i < nargs; i++ ) | |
| 498 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size | |
| 499 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); | |
| 500 | |
| 501 // create result type (range) | |
| 502 fields = TypeTuple::fields(1); | |
| 503 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 504 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 505 | |
| 506 return TypeFunc::make(domain, range); | |
| 507 } | |
| 508 | |
| 509 const TypeFunc *OptoRuntime::multianewarray2_Type() { | |
| 510 return multianewarray_Type(2); | |
| 511 } | |
| 512 | |
| 513 const TypeFunc *OptoRuntime::multianewarray3_Type() { | |
| 514 return multianewarray_Type(3); | |
| 515 } | |
| 516 | |
| 517 const TypeFunc *OptoRuntime::multianewarray4_Type() { | |
| 518 return multianewarray_Type(4); | |
| 519 } | |
| 520 | |
| 521 const TypeFunc *OptoRuntime::multianewarray5_Type() { | |
| 522 return multianewarray_Type(5); | |
| 523 } | |
| 524 | |
|
3805
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
525 const TypeFunc *OptoRuntime::multianewarrayN_Type() { |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
526 // create input type (domain) |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
527 const Type **fields = TypeTuple::fields(2); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
528 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
529 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
530 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
531 |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
532 // create result type (range) |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
533 fields = TypeTuple::fields(1); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
534 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
535 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
536 |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
537 return TypeFunc::make(domain, range); |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
538 } |
|
263247c478c5
7058510: multinewarray with 6 dimensions uncommon traps in server compiler
iveresov
parents:
3442
diff
changeset
|
539 |
| 342 | 540 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { |
| 541 const Type **fields = TypeTuple::fields(2); | |
| 542 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value | |
| 543 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 544 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 545 | |
| 546 // create result type (range) | |
| 547 fields = TypeTuple::fields(0); | |
| 548 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 549 | |
| 550 return TypeFunc::make(domain, range); | |
| 551 } | |
| 552 | |
| 553 const TypeFunc *OptoRuntime::g1_wb_post_Type() { | |
| 554 | |
| 555 const Type **fields = TypeTuple::fields(2); | |
| 556 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr | |
| 557 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 558 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 559 | |
| 560 // create result type (range) | |
| 561 fields = TypeTuple::fields(0); | |
| 562 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 563 | |
| 564 return TypeFunc::make(domain, range); | |
| 565 } | |
| 566 | |
| 0 | 567 const TypeFunc *OptoRuntime::uncommon_trap_Type() { |
| 568 // create input type (domain) | |
| 569 const Type **fields = TypeTuple::fields(1); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
570 // Symbol* name of class to be loaded |
| 0 | 571 fields[TypeFunc::Parms+0] = TypeInt::INT; |
| 572 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 573 | |
| 574 // create result type (range) | |
| 575 fields = TypeTuple::fields(0); | |
| 576 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 577 | |
| 578 return TypeFunc::make(domain, range); | |
| 579 } | |
| 580 | |
| 581 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 582 // Type used for stub generation for zap_dead_locals. | |
| 583 // No inputs or outputs | |
| 584 const TypeFunc *OptoRuntime::zap_dead_locals_Type() { | |
| 585 // create input type (domain) | |
| 586 const Type **fields = TypeTuple::fields(0); | |
| 587 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields); | |
| 588 | |
| 589 // create result type (range) | |
| 590 fields = TypeTuple::fields(0); | |
| 591 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields); | |
| 592 | |
| 593 return TypeFunc::make(domain,range); | |
| 594 } | |
| 595 # endif | |
| 596 | |
| 597 | |
| 598 //----------------------------------------------------------------------------- | |
| 599 // Monitor Handling | |
| 600 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { | |
| 601 // create input type (domain) | |
| 602 const Type **fields = TypeTuple::fields(2); | |
| 603 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 604 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 605 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 606 | |
| 607 // create result type (range) | |
| 608 fields = TypeTuple::fields(0); | |
| 609 | |
| 610 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 611 | |
| 612 return TypeFunc::make(domain,range); | |
| 613 } | |
| 614 | |
| 615 | |
| 616 //----------------------------------------------------------------------------- | |
| 617 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { | |
| 618 // create input type (domain) | |
| 619 const Type **fields = TypeTuple::fields(2); | |
| 620 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 621 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 622 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 623 | |
| 624 // create result type (range) | |
| 625 fields = TypeTuple::fields(0); | |
| 626 | |
| 627 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 628 | |
| 629 return TypeFunc::make(domain,range); | |
| 630 } | |
| 631 | |
| 632 const TypeFunc* OptoRuntime::flush_windows_Type() { | |
| 633 // create input type (domain) | |
| 634 const Type** fields = TypeTuple::fields(1); | |
| 635 fields[TypeFunc::Parms+0] = NULL; // void | |
| 636 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); | |
| 637 | |
| 638 // create result type | |
| 639 fields = TypeTuple::fields(1); | |
| 640 fields[TypeFunc::Parms+0] = NULL; // void | |
| 641 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 642 | |
| 643 return TypeFunc::make(domain, range); | |
| 644 } | |
| 645 | |
| 646 const TypeFunc* OptoRuntime::l2f_Type() { | |
| 647 // create input type (domain) | |
| 648 const Type **fields = TypeTuple::fields(2); | |
| 649 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 650 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 651 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 652 | |
| 653 // create result type (range) | |
| 654 fields = TypeTuple::fields(1); | |
| 655 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 656 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 657 | |
| 658 return TypeFunc::make(domain, range); | |
| 659 } | |
| 660 | |
| 661 const TypeFunc* OptoRuntime::modf_Type() { | |
| 662 const Type **fields = TypeTuple::fields(2); | |
| 663 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 664 fields[TypeFunc::Parms+1] = Type::FLOAT; | |
| 665 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 666 | |
| 667 // create result type (range) | |
| 668 fields = TypeTuple::fields(1); | |
| 669 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 670 | |
| 671 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 672 | |
| 673 return TypeFunc::make(domain, range); | |
| 674 } | |
| 675 | |
| 676 const TypeFunc *OptoRuntime::Math_D_D_Type() { | |
| 677 // create input type (domain) | |
| 678 const Type **fields = TypeTuple::fields(2); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
679 // Symbol* name of class to be loaded |
| 0 | 680 fields[TypeFunc::Parms+0] = Type::DOUBLE; |
| 681 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 682 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 683 | |
| 684 // create result type (range) | |
| 685 fields = TypeTuple::fields(2); | |
| 686 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 687 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 688 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 689 | |
| 690 return TypeFunc::make(domain, range); | |
| 691 } | |
| 692 | |
| 693 const TypeFunc* OptoRuntime::Math_DD_D_Type() { | |
| 694 const Type **fields = TypeTuple::fields(4); | |
| 695 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 696 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 697 fields[TypeFunc::Parms+2] = Type::DOUBLE; | |
| 698 fields[TypeFunc::Parms+3] = Type::HALF; | |
| 699 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields); | |
| 700 | |
| 701 // create result type (range) | |
| 702 fields = TypeTuple::fields(2); | |
| 703 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 704 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 705 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 706 | |
| 707 return TypeFunc::make(domain, range); | |
| 708 } | |
| 709 | |
|
6006
0105f367a14c
7160570: Intrinsification support for tracing framework
rbackman
parents:
4063
diff
changeset
|
710 //-------------- currentTimeMillis, currentTimeNanos, etc |
| 0 | 711 |
|
6006
0105f367a14c
7160570: Intrinsification support for tracing framework
rbackman
parents:
4063
diff
changeset
|
712 const TypeFunc* OptoRuntime::void_long_Type() { |
| 0 | 713 // create input type (domain) |
| 714 const Type **fields = TypeTuple::fields(0); | |
| 715 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 716 | |
| 717 // create result type (range) | |
| 718 fields = TypeTuple::fields(2); | |
| 719 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 720 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 721 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 722 | |
| 723 return TypeFunc::make(domain, range); | |
| 724 } | |
| 725 | |
| 726 // arraycopy stub variations: | |
| 727 enum ArrayCopyType { | |
| 728 ac_fast, // void(ptr, ptr, size_t) | |
| 729 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) | |
| 730 ac_slow, // void(ptr, int, ptr, int, int) | |
| 731 ac_generic // int(ptr, int, ptr, int, int) | |
| 732 }; | |
| 733 | |
| 734 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { | |
| 735 // create input type (domain) | |
| 736 int num_args = (act == ac_fast ? 3 : 5); | |
| 737 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); | |
| 738 int argcnt = num_args; | |
| 739 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths | |
| 740 const Type** fields = TypeTuple::fields(argcnt); | |
| 741 int argp = TypeFunc::Parms; | |
| 742 fields[argp++] = TypePtr::NOTNULL; // src | |
| 743 if (num_size_args == 0) { | |
| 744 fields[argp++] = TypeInt::INT; // src_pos | |
| 745 } | |
| 746 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 747 if (num_size_args == 0) { | |
| 748 fields[argp++] = TypeInt::INT; // dest_pos | |
| 749 fields[argp++] = TypeInt::INT; // length | |
| 750 } | |
| 751 while (num_size_args-- > 0) { | |
| 752 fields[argp++] = TypeX_X; // size in whatevers (size_t) | |
| 753 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length | |
| 754 } | |
| 755 if (act == ac_checkcast) { | |
| 756 fields[argp++] = TypePtr::NOTNULL; // super_klass | |
| 757 } | |
| 758 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); | |
| 759 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 760 | |
| 761 // create result type if needed | |
| 762 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); | |
| 763 fields = TypeTuple::fields(1); | |
| 764 if (retcnt == 0) | |
| 765 fields[TypeFunc::Parms+0] = NULL; // void | |
| 766 else | |
| 767 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed | |
| 768 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); | |
| 769 return TypeFunc::make(domain, range); | |
| 770 } | |
| 771 | |
| 772 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { | |
| 773 // This signature is simple: Two base pointers and a size_t. | |
| 774 return make_arraycopy_Type(ac_fast); | |
| 775 } | |
| 776 | |
| 777 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { | |
| 778 // An extension of fast_arraycopy_Type which adds type checking. | |
| 779 return make_arraycopy_Type(ac_checkcast); | |
| 780 } | |
| 781 | |
| 782 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { | |
| 783 // This signature is exactly the same as System.arraycopy. | |
| 784 // There are no intptr_t (int/long) arguments. | |
| 785 return make_arraycopy_Type(ac_slow); | |
| 786 } | |
| 787 | |
| 788 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { | |
| 789 // This signature is like System.arraycopy, except that it returns status. | |
| 790 return make_arraycopy_Type(ac_generic); | |
| 791 } | |
| 792 | |
| 793 | |
| 1763 | 794 const TypeFunc* OptoRuntime::array_fill_Type() { |
|
1844
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
795 // 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
|
796 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
|
797 int argp = TypeFunc::Parms; |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
798 fields[argp++] = TypePtr::NOTNULL; |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
799 fields[argp++] = TypeInt::INT; |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
800 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
|
801 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
|
802 const TypeTuple *domain = TypeTuple::make(argp, fields); |
| 1763 | 803 |
| 804 // create result type | |
| 805 fields = TypeTuple::fields(1); | |
| 806 fields[TypeFunc::Parms+0] = NULL; // void | |
| 807 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 808 | |
| 809 return TypeFunc::make(domain, range); | |
| 810 } | |
| 811 | |
| 6894 | 812 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant) |
| 813 const TypeFunc* OptoRuntime::aescrypt_block_Type() { | |
| 814 // create input type (domain) | |
| 815 int num_args = 3; | |
| 816 int argcnt = num_args; | |
| 817 const Type** fields = TypeTuple::fields(argcnt); | |
| 818 int argp = TypeFunc::Parms; | |
| 819 fields[argp++] = TypePtr::NOTNULL; // src | |
| 820 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 821 fields[argp++] = TypePtr::NOTNULL; // k array | |
| 822 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); | |
| 823 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 824 | |
| 825 // no result type needed | |
| 826 fields = TypeTuple::fields(1); | |
| 827 fields[TypeFunc::Parms+0] = NULL; // void | |
| 828 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 829 return TypeFunc::make(domain, range); | |
| 830 } | |
| 831 | |
| 832 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning void | |
| 833 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { | |
| 834 // create input type (domain) | |
| 835 int num_args = 5; | |
| 836 int argcnt = num_args; | |
| 837 const Type** fields = TypeTuple::fields(argcnt); | |
| 838 int argp = TypeFunc::Parms; | |
| 839 fields[argp++] = TypePtr::NOTNULL; // src | |
| 840 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 841 fields[argp++] = TypePtr::NOTNULL; // k array | |
| 842 fields[argp++] = TypePtr::NOTNULL; // r array | |
| 843 fields[argp++] = TypeInt::INT; // src len | |
| 844 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); | |
| 845 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 846 | |
| 847 // no result type needed | |
| 848 fields = TypeTuple::fields(1); | |
| 849 fields[TypeFunc::Parms+0] = NULL; // void | |
| 850 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 851 return TypeFunc::make(domain, range); | |
| 852 } | |
| 853 | |
| 0 | 854 //------------- Interpreter state access for on stack replacement |
| 855 const TypeFunc* OptoRuntime::osr_end_Type() { | |
| 856 // create input type (domain) | |
| 857 const Type **fields = TypeTuple::fields(1); | |
| 858 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf | |
| 859 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 860 | |
| 861 // create result type | |
| 862 fields = TypeTuple::fields(1); | |
| 863 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop | |
| 864 fields[TypeFunc::Parms+0] = NULL; // void | |
| 865 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 866 return TypeFunc::make(domain, range); | |
| 867 } | |
| 868 | |
| 869 //-------------- methodData update helpers | |
| 870 | |
| 871 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { | |
| 872 // create input type (domain) | |
| 873 const Type **fields = TypeTuple::fields(2); | |
| 874 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer | |
| 875 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop | |
| 876 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 877 | |
| 878 // create result type | |
| 879 fields = TypeTuple::fields(1); | |
| 880 fields[TypeFunc::Parms+0] = NULL; // void | |
| 881 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 882 return TypeFunc::make(domain,range); | |
| 883 } | |
| 884 | |
| 885 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) | |
| 886 if (receiver == NULL) return; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
887 Klass* receiver_klass = receiver->klass(); |
| 0 | 888 |
| 889 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); | |
| 890 int empty_row = -1; // free row, if any is encountered | |
| 891 | |
| 892 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); | |
| 893 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { | |
| 894 // if (vc->receiver(row) == receiver_klass) | |
| 895 int receiver_off = ReceiverTypeData::receiver_cell_index(row); | |
| 896 intptr_t row_recv = *(mdp + receiver_off); | |
| 897 if (row_recv == (intptr_t) receiver_klass) { | |
| 898 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); | |
| 899 int count_off = ReceiverTypeData::receiver_count_cell_index(row); | |
| 900 *(mdp + count_off) += DataLayout::counter_increment; | |
| 901 return; | |
| 902 } else if (row_recv == 0) { | |
| 903 // else if (vc->receiver(row) == NULL) | |
| 904 empty_row = (int) row; | |
| 905 } | |
| 906 } | |
| 907 | |
| 908 if (empty_row != -1) { | |
| 909 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); | |
| 910 // vc->set_receiver(empty_row, receiver_klass); | |
| 911 *(mdp + receiver_off) = (intptr_t) receiver_klass; | |
| 912 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); | |
| 913 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); | |
| 914 *(mdp + count_off) = DataLayout::counter_increment; | |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
915 } else { |
|
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
916 // 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
|
917 // Increment total counter to indicate polymorphic case. |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
918 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
|
919 *count_p += DataLayout::counter_increment; |
| 0 | 920 } |
| 921 JRT_END | |
| 922 | |
| 923 //------------------------------------------------------------------------------------- | |
| 924 // register policy | |
| 925 | |
| 926 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { | |
| 927 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); | |
| 928 switch (register_save_policy[reg]) { | |
| 929 case 'C': return false; //SOC | |
| 930 case 'E': return true ; //SOE | |
| 931 case 'N': return false; //NS | |
| 932 case 'A': return false; //AS | |
| 933 } | |
| 934 ShouldNotReachHere(); | |
| 935 return false; | |
| 936 } | |
| 937 | |
| 938 //----------------------------------------------------------------------- | |
| 939 // Exceptions | |
| 940 // | |
| 941 | |
| 942 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; | |
| 943 | |
| 944 // The method is an entry that is always called by a C++ method not | |
| 945 // directly from compiled code. Compiled code will call the C++ method following. | |
| 946 // We can't allow async exception to be installed during exception processing. | |
| 947 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) | |
| 948 | |
| 949 // Do not confuse exception_oop with pending_exception. The exception_oop | |
| 950 // is only used to pass arguments into the method. Not for general | |
| 951 // exception handling. DO NOT CHANGE IT to use pending_exception, since | |
| 952 // the runtime stubs checks this on exit. | |
| 953 assert(thread->exception_oop() != NULL, "exception oop is found"); | |
| 954 address handler_address = NULL; | |
| 955 | |
| 956 Handle exception(thread, thread->exception_oop()); | |
| 957 | |
| 958 if (TraceExceptions) { | |
| 959 trace_exception(exception(), thread->exception_pc(), ""); | |
| 960 } | |
| 961 // for AbortVMOnException flag | |
| 962 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 963 | |
| 964 #ifdef ASSERT | |
| 1142 | 965 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
| 0 | 966 // should throw an exception here |
| 967 ShouldNotReachHere(); | |
| 968 } | |
| 969 #endif | |
| 970 | |
| 971 | |
| 972 // new exception handling: this method is entered only from adapters | |
| 973 // exceptions from compiled java methods are handled in compiled code | |
| 974 // using rethrow node | |
| 975 | |
| 976 address pc = thread->exception_pc(); | |
| 977 nm = CodeCache::find_nmethod(pc); | |
| 978 assert(nm != NULL, "No NMethod found"); | |
| 979 if (nm->is_native_method()) { | |
| 980 fatal("Native mathod should not have path to exception handling"); | |
| 981 } else { | |
| 982 // we are switching to old paradigm: search for exception handler in caller_frame | |
| 983 // instead in exception handler of caller_frame.sender() | |
| 984 | |
|
1213
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1166
diff
changeset
|
985 if (JvmtiExport::can_post_on_exceptions()) { |
| 0 | 986 // "Full-speed catching" is not necessary here, |
| 987 // since we're notifying the VM on every catch. | |
| 988 // Force deoptimization and the rest of the lookup | |
| 989 // will be fine. | |
|
7428
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
990 deoptimize_caller_frame(thread); |
| 0 | 991 } |
| 992 | |
| 993 // Check the stack guard pages. If enabled, look for handler in this frame; | |
| 994 // otherwise, forcibly unwind the frame. | |
| 995 // | |
| 996 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. | |
| 997 bool force_unwind = !thread->reguard_stack(); | |
| 998 bool deopting = false; | |
| 999 if (nm->is_deopt_pc(pc)) { | |
| 1000 deopting = true; | |
| 1001 RegisterMap map(thread, false); | |
| 1002 frame deoptee = thread->last_frame().sender(&map); | |
| 1003 assert(deoptee.is_deoptimized_frame(), "must be deopted"); | |
| 1004 // Adjust the pc back to the original throwing pc | |
| 1005 pc = deoptee.pc(); | |
| 1006 } | |
| 1007 | |
| 1008 // If we are forcing an unwind because of stack overflow then deopt is | |
| 1009 // irrelevant sice we are throwing the frame away anyway. | |
| 1010 | |
| 1011 if (deopting && !force_unwind) { | |
| 1012 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 1013 } else { | |
| 1014 | |
| 1015 handler_address = | |
| 1016 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); | |
| 1017 | |
| 1018 if (handler_address == NULL) { | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1019 Handle original_exception(thread, exception()); |
| 0 | 1020 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true); |
| 1021 assert (handler_address != NULL, "must have compiled handler"); | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1022 // 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
|
1023 // 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
|
1024 // compiled exception handler. |
|
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3961
diff
changeset
|
1025 if (!force_unwind && original_exception() == exception()) { |
| 0 | 1026 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); |
| 1027 } | |
| 1028 } else { | |
| 1029 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same"); | |
| 1030 } | |
| 1031 } | |
| 1032 | |
| 1033 thread->set_exception_pc(pc); | |
| 1034 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
|
1035 |
| 1295 | 1036 // 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
|
1037 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
| 0 | 1038 } |
| 1039 | |
| 1040 // Restore correct return pc. Was saved above. | |
| 1041 thread->set_exception_oop(exception()); | |
| 1042 return handler_address; | |
| 1043 | |
| 1044 JRT_END | |
| 1045 | |
| 1046 // We are entering here from exception_blob | |
| 1047 // If there is a compiled exception handler in this method, we will continue there; | |
| 1048 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 1049 // Note we enter without the usual JRT wrapper. We will call a helper routine that | |
| 1050 // will do the normal VM entry. We do it this way so that we can see if the nmethod | |
| 1051 // we looked up the handler for has been deoptimized in the meantime. If it has been | |
| 1052 // we must not use the handler and instread return the deopt blob. | |
| 1053 address OptoRuntime::handle_exception_C(JavaThread* thread) { | |
| 1054 // | |
| 1055 // We are in Java not VM and in debug mode we have a NoHandleMark | |
| 1056 // | |
| 1057 #ifndef PRODUCT | |
| 1058 SharedRuntime::_find_handler_ctr++; // find exception handler | |
| 1059 #endif | |
| 1060 debug_only(NoHandleMark __hm;) | |
| 1061 nmethod* nm = NULL; | |
| 1062 address handler_address = NULL; | |
| 1063 { | |
| 1064 // Enter the VM | |
| 1065 | |
| 1066 ResetNoHandleMark rnhm; | |
| 1067 handler_address = handle_exception_C_helper(thread, nm); | |
| 1068 } | |
| 1069 | |
| 1070 // Back in java: Use no oops, DON'T safepoint | |
| 1071 | |
| 1072 // Now check to see if the handler we are returning is in a now | |
| 1073 // deoptimized frame | |
| 1074 | |
| 1075 if (nm != NULL) { | |
| 1076 RegisterMap map(thread, false); | |
| 1077 frame caller = thread->last_frame().sender(&map); | |
| 1078 #ifdef ASSERT | |
| 1079 assert(caller.is_compiled_frame(), "must be"); | |
| 1080 #endif // ASSERT | |
| 1081 if (caller.is_deoptimized_frame()) { | |
| 1082 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 1083 } | |
| 1084 } | |
| 1085 return handler_address; | |
| 1086 } | |
| 1087 | |
| 1088 //------------------------------rethrow---------------------------------------- | |
| 1089 // We get here after compiled code has executed a 'RethrowNode'. The callee | |
| 1090 // is either throwing or rethrowing an exception. The callee-save registers | |
| 1091 // have been restored, synchronized objects have been unlocked and the callee | |
| 1092 // stack frame has been removed. The return address was passed in. | |
| 1093 // Exception oop is passed as the 1st argument. This routine is then called | |
| 1094 // from the stub. On exit, we know where to jump in the caller's code. | |
| 1095 // After this C code exits, the stub will pop his frame and end in a jump | |
| 1096 // (instead of a return). We enter the caller's default handler. | |
| 1097 // | |
| 1098 // This must be JRT_LEAF: | |
| 1099 // - caller will not change its state as we cannot block on exit, | |
| 1100 // therefore raw_exception_handler_for_return_address is all it takes | |
| 1101 // to handle deoptimized blobs | |
| 1102 // | |
| 1103 // However, there needs to be a safepoint check in the middle! So compiled | |
| 1104 // safepoints are completely watertight. | |
| 1105 // | |
| 1106 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. | |
| 1107 // | |
| 1108 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* | |
| 1109 // | |
| 1110 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { | |
| 1111 #ifndef PRODUCT | |
| 1112 SharedRuntime::_rethrow_ctr++; // count rethrows | |
| 1113 #endif | |
| 1114 assert (exception != NULL, "should have thrown a NULLPointerException"); | |
| 1115 #ifdef ASSERT | |
| 1142 | 1116 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
| 0 | 1117 // should throw an exception here |
| 1118 ShouldNotReachHere(); | |
| 1119 } | |
| 1120 #endif | |
| 1121 | |
| 1122 thread->set_vm_result(exception); | |
| 1123 // Frame not compiled (handles deoptimization blob) | |
| 1295 | 1124 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); |
| 0 | 1125 } |
| 1126 | |
| 1127 | |
| 1128 const TypeFunc *OptoRuntime::rethrow_Type() { | |
| 1129 // create input type (domain) | |
| 1130 const Type **fields = TypeTuple::fields(1); | |
| 1131 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 1132 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1133 | |
| 1134 // create result type (range) | |
| 1135 fields = TypeTuple::fields(1); | |
| 1136 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 1137 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 1138 | |
| 1139 return TypeFunc::make(domain, range); | |
| 1140 } | |
| 1141 | |
| 1142 | |
| 1143 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
|
1144 // 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
|
1145 // exception handler table may not be valid. |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1146 if (!StressCompiledExceptionHandlers && doit) { |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1147 deoptimize_caller_frame(thread); |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1148 } |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1149 } |
| 0 | 1150 |
|
7428
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1151 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) { |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1152 // 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
|
1153 RegisterMap reg_map(thread); |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1154 frame stub_frame = thread->last_frame(); |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1155 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
|
1156 frame caller_frame = stub_frame.sender(®_map); |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1157 |
|
2d6c433b1f38
8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents:
6983
diff
changeset
|
1158 // Deoptimize the caller frame. |
|
7485
4fc2763e670e
Another merge fix.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7482
diff
changeset
|
1159 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
| 0 | 1160 } |
| 1161 | |
| 1162 | |
|
4063
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1163 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1164 // 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
|
1165 RegisterMap reg_map(thread); |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1166 frame stub_frame = thread->last_frame(); |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1167 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
|
1168 frame caller_frame = stub_frame.sender(®_map); |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1169 return caller_frame.is_deoptimized_frame(); |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1170 } |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1171 |
|
7e0e43cf86d6
7109887: java/util/Arrays/CopyMethods.java fails with -XX:+DeoptimizeALot
kvn
parents:
4048
diff
changeset
|
1172 |
| 0 | 1173 const TypeFunc *OptoRuntime::register_finalizer_Type() { |
| 1174 // create input type (domain) | |
| 1175 const Type **fields = TypeTuple::fields(1); | |
| 1176 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver | |
| 1177 // // The JavaThread* is passed to each routine as the last argument | |
| 1178 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread | |
| 1179 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1180 | |
| 1181 // create result type (range) | |
| 1182 fields = TypeTuple::fields(0); | |
| 1183 | |
| 1184 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1185 | |
| 1186 return TypeFunc::make(domain,range); | |
| 1187 } | |
| 1188 | |
| 1189 | |
| 1190 //----------------------------------------------------------------------------- | |
| 1191 // Dtrace support. entry and exit probes have the same signature | |
| 1192 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { | |
| 1193 // create input type (domain) | |
| 1194 const Type **fields = TypeTuple::fields(2); | |
| 1195 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
|
6739
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
6725
diff
changeset
|
1196 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering |
| 0 | 1197 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); |
| 1198 | |
| 1199 // create result type (range) | |
| 1200 fields = TypeTuple::fields(0); | |
| 1201 | |
| 1202 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1203 | |
| 1204 return TypeFunc::make(domain,range); | |
| 1205 } | |
| 1206 | |
| 1207 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { | |
| 1208 // create input type (domain) | |
| 1209 const Type **fields = TypeTuple::fields(2); | |
| 1210 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
| 1211 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object | |
| 1212 | |
| 1213 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 1214 | |
| 1215 // create result type (range) | |
| 1216 fields = TypeTuple::fields(0); | |
| 1217 | |
| 1218 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1219 | |
| 1220 return TypeFunc::make(domain,range); | |
| 1221 } | |
| 1222 | |
| 1223 | |
| 1224 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) | |
| 1225 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
|
1226 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
|
1227 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
| 0 | 1228 JRT_END |
| 1229 | |
| 1230 //----------------------------------------------------------------------------- | |
| 1231 | |
| 1232 NamedCounter * volatile OptoRuntime::_named_counters = NULL; | |
| 1233 | |
| 1234 // | |
| 1235 // dump the collected NamedCounters. | |
| 1236 // | |
| 1237 void OptoRuntime::print_named_counters() { | |
| 1238 int total_lock_count = 0; | |
| 1239 int eliminated_lock_count = 0; | |
| 1240 | |
| 1241 NamedCounter* c = _named_counters; | |
| 1242 while (c) { | |
| 1243 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { | |
| 1244 int count = c->count(); | |
| 1245 if (count > 0) { | |
| 1246 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; | |
| 1247 if (Verbose) { | |
| 1248 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); | |
| 1249 } | |
| 1250 total_lock_count += count; | |
| 1251 if (eliminated) { | |
| 1252 eliminated_lock_count += count; | |
| 1253 } | |
| 1254 } | |
| 1255 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { | |
| 1256 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); | |
| 1257 if (blc->nonzero()) { | |
| 1258 tty->print_cr("%s", c->name()); | |
| 1259 blc->print_on(tty); | |
| 1260 } | |
| 1261 } | |
| 1262 c = c->next(); | |
| 1263 } | |
| 1264 if (total_lock_count > 0) { | |
| 1265 tty->print_cr("dynamic locks: %d", total_lock_count); | |
| 1266 if (eliminated_lock_count) { | |
| 1267 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, | |
| 1268 (int)(eliminated_lock_count * 100.0 / total_lock_count)); | |
| 1269 } | |
| 1270 } | |
| 1271 } | |
| 1272 | |
| 1273 // | |
| 1274 // Allocate a new NamedCounter. The JVMState is used to generate the | |
| 1275 // name which consists of method@line for the inlining tree. | |
| 1276 // | |
| 1277 | |
| 1278 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { | |
| 1279 int max_depth = youngest_jvms->depth(); | |
| 1280 | |
| 1281 // Visit scopes from youngest to oldest. | |
| 1282 bool first = true; | |
| 1283 stringStream st; | |
| 1284 for (int depth = max_depth; depth >= 1; depth--) { | |
| 1285 JVMState* jvms = youngest_jvms->of_depth(depth); | |
| 1286 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; | |
| 1287 if (!first) { | |
| 1288 st.print(" "); | |
| 1289 } else { | |
| 1290 first = false; | |
| 1291 } | |
| 1292 int bci = jvms->bci(); | |
| 1293 if (bci < 0) bci = 0; | |
| 1294 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); | |
| 1295 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) | |
| 1296 } | |
| 1297 NamedCounter* c; | |
| 1298 if (tag == NamedCounter::BiasedLockingCounter) { | |
| 1299 c = new BiasedLockingNamedCounter(strdup(st.as_string())); | |
| 1300 } else { | |
| 1301 c = new NamedCounter(strdup(st.as_string()), tag); | |
| 1302 } | |
| 1303 | |
| 1304 // atomically add the new counter to the head of the list. We only | |
| 1305 // add counters so this is safe. | |
| 1306 NamedCounter* head; | |
| 1307 do { | |
| 1308 head = _named_counters; | |
| 1309 c->set_next(head); | |
| 1310 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); | |
| 1311 return c; | |
| 1312 } | |
| 1313 | |
| 1314 //----------------------------------------------------------------------------- | |
| 1315 // Non-product code | |
| 1316 #ifndef PRODUCT | |
| 1317 | |
| 1318 int trace_exception_counter = 0; | |
| 1319 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { | |
| 1320 ttyLocker ttyl; | |
| 1321 trace_exception_counter++; | |
| 1322 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); | |
| 1323 exception_oop->print_value(); | |
| 1324 tty->print(" in "); | |
| 1325 CodeBlob* blob = CodeCache::find_blob(exception_pc); | |
| 1326 if (blob->is_nmethod()) { | |
| 1327 ((nmethod*)blob)->method()->print_value(); | |
| 1328 } else if (blob->is_runtime_stub()) { | |
| 1329 tty->print("<runtime-stub>"); | |
| 1330 } else { | |
| 1331 tty->print("<unknown>"); | |
| 1332 } | |
| 1333 tty->print(" at " INTPTR_FORMAT, exception_pc); | |
| 1334 tty->print_cr("]"); | |
| 1335 } | |
| 1336 | |
| 1337 #endif // PRODUCT | |
| 1338 | |
| 1339 | |
| 1340 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 1341 // Called from call sites in compiled code with oop maps (actually safepoints) | |
| 1342 // Zaps dead locals in first java frame. | |
| 1343 // Is entry because may need to lock to generate oop maps | |
| 1344 // Currently, only used for compiler frames, but someday may be used | |
| 1345 // for interpreter frames, too. | |
| 1346 | |
| 1347 int OptoRuntime::ZapDeadCompiledLocals_count = 0; | |
| 1348 | |
| 1349 // avoid pointers to member funcs with these helpers | |
| 1350 static bool is_java_frame( frame* f) { return f->is_java_frame(); } | |
| 1351 static bool is_native_frame(frame* f) { return f->is_native_frame(); } | |
| 1352 | |
| 1353 | |
| 1354 void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread, | |
| 1355 bool (*is_this_the_right_frame_to_zap)(frame*)) { | |
| 1356 assert(JavaThread::current() == thread, "is this needed?"); | |
| 1357 | |
| 1358 if ( !ZapDeadCompiledLocals ) return; | |
| 1359 | |
| 1360 bool skip = false; | |
| 1361 | |
| 1362 if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special | |
| 1363 else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true; | |
| 1364 else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count ) | |
| 1365 warning("starting zapping after skipping"); | |
| 1366 | |
| 1367 if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special | |
| 1368 else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true; | |
| 1369 else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count ) | |
| 1370 warning("about to zap last zap"); | |
| 1371 | |
| 1372 ++ZapDeadCompiledLocals_count; // counts skipped zaps, too | |
| 1373 | |
| 1374 if ( skip ) return; | |
| 1375 | |
| 1376 // find java frame and zap it | |
| 1377 | |
| 1378 for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) { | |
| 1379 if (is_this_the_right_frame_to_zap(sfs.current()) ) { | |
| 1380 sfs.current()->zap_dead_locals(thread, sfs.register_map()); | |
| 1381 return; | |
| 1382 } | |
| 1383 } | |
| 1384 warning("no frame found to zap in zap_dead_Java_locals_C"); | |
| 1385 } | |
| 1386 | |
| 1387 JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread)) | |
| 1388 zap_dead_java_or_native_locals(thread, is_java_frame); | |
| 1389 JRT_END | |
| 1390 | |
| 1391 // The following does not work because for one thing, the | |
| 1392 // thread state is wrong; it expects java, but it is native. | |
| 605 | 1393 // Also, the invariants in a native stub are different and |
| 0 | 1394 // I'm not sure it is safe to have a MachCalRuntimeDirectNode |
| 1395 // in there. | |
| 1396 // So for now, we do not zap in native stubs. | |
| 1397 | |
| 1398 JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread)) | |
| 1399 zap_dead_java_or_native_locals(thread, is_native_frame); | |
| 1400 JRT_END | |
| 1401 | |
| 1402 # endif |