Mercurial > hg > graal-compiler
annotate src/share/vm/opto/runtime.cpp @ 18041:52b4284cb496
Merge with jdk8u20-b26
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 16:02:50 +0200 |
| parents | 4ca6dc0799b6 78bbf4d43a14 |
| children | 7848fc12602b |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/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 | |
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83 #ifdef TARGET_ARCH_MODEL_arm |
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84 # include "adfiles/ad_arm.hpp" |
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85 #endif |
| 14391 | 86 #ifdef TARGET_ARCH_MODEL_ppc_32 |
| 87 # include "adfiles/ad_ppc_32.hpp" | |
| 88 #endif | |
| 89 #ifdef TARGET_ARCH_MODEL_ppc_64 | |
| 90 # include "adfiles/ad_ppc_64.hpp" | |
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91 #endif |
| 0 | 92 |
| 93 | |
| 94 // For debugging purposes: | |
| 95 // To force FullGCALot inside a runtime function, add the following two lines | |
| 96 // | |
| 97 // Universe::release_fullgc_alot_dummy(); | |
| 98 // MarkSweep::invoke(0, "Debugging"); | |
| 99 // | |
| 100 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000 | |
| 101 | |
| 102 | |
| 103 | |
| 104 | |
| 105 // Compiled code entry points | |
| 106 address OptoRuntime::_new_instance_Java = NULL; | |
| 107 address OptoRuntime::_new_array_Java = NULL; | |
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108 address OptoRuntime::_new_array_nozero_Java = NULL; |
| 0 | 109 address OptoRuntime::_multianewarray2_Java = NULL; |
| 110 address OptoRuntime::_multianewarray3_Java = NULL; | |
| 111 address OptoRuntime::_multianewarray4_Java = NULL; | |
| 112 address OptoRuntime::_multianewarray5_Java = NULL; | |
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113 address OptoRuntime::_multianewarrayN_Java = NULL; |
| 342 | 114 address OptoRuntime::_g1_wb_pre_Java = NULL; |
| 115 address OptoRuntime::_g1_wb_post_Java = NULL; | |
| 0 | 116 address OptoRuntime::_vtable_must_compile_Java = NULL; |
| 117 address OptoRuntime::_complete_monitor_locking_Java = NULL; | |
| 118 address OptoRuntime::_rethrow_Java = NULL; | |
| 119 | |
| 120 address OptoRuntime::_slow_arraycopy_Java = NULL; | |
| 121 address OptoRuntime::_register_finalizer_Java = NULL; | |
| 122 | |
| 123 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 124 address OptoRuntime::_zap_dead_Java_locals_Java = NULL; | |
| 125 address OptoRuntime::_zap_dead_native_locals_Java = NULL; | |
| 126 # endif | |
| 127 | |
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128 ExceptionBlob* OptoRuntime::_exception_blob; |
| 0 | 129 |
| 130 // This should be called in an assertion at the start of OptoRuntime routines | |
| 131 // which are entered from compiled code (all of them) | |
| 10274 | 132 #ifdef ASSERT |
| 0 | 133 static bool check_compiled_frame(JavaThread* thread) { |
| 134 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code"); | |
| 135 RegisterMap map(thread, false); | |
| 136 frame caller = thread->last_frame().sender(&map); | |
| 137 assert(caller.is_compiled_frame(), "not being called from compiled like code"); | |
| 138 return true; | |
| 139 } | |
| 10274 | 140 #endif // ASSERT |
| 0 | 141 |
| 142 | |
| 143 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \ | |
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144 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc); \ |
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145 if (var == NULL) { return false; } |
| 0 | 146 |
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147 bool OptoRuntime::generate(ciEnv* env) { |
| 0 | 148 |
| 149 generate_exception_blob(); | |
| 150 | |
| 151 // Note: tls: Means fetching the return oop out of the thread-local storage | |
| 152 // | |
| 153 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc | |
| 154 // ------------------------------------------------------------------------------------------------------------------------------- | |
| 155 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); | |
| 156 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false); | |
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157 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false); |
| 0 | 158 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); |
| 159 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); | |
| 160 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); | |
| 161 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false); | |
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162 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false); |
| 342 | 163 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); |
| 164 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); | |
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165 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false); |
| 0 | 166 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); |
| 167 | |
| 168 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); | |
| 169 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); | |
| 170 | |
| 171 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 172 gen(env, _zap_dead_Java_locals_Java , zap_dead_locals_Type , zap_dead_Java_locals_C , 0 , false, true , false ); | |
| 173 gen(env, _zap_dead_native_locals_Java , zap_dead_locals_Type , zap_dead_native_locals_C , 0 , false, true , false ); | |
| 174 # endif | |
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175 return true; |
| 0 | 176 } |
| 177 | |
| 178 #undef gen | |
| 179 | |
| 180 | |
| 181 // Helper method to do generation of RunTimeStub's | |
| 182 address OptoRuntime::generate_stub( ciEnv* env, | |
| 183 TypeFunc_generator gen, address C_function, | |
| 184 const char *name, int is_fancy_jump, | |
| 185 bool pass_tls, | |
| 186 bool save_argument_registers, | |
| 187 bool return_pc ) { | |
| 188 ResourceMark rm; | |
| 189 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc ); | |
| 190 return C.stub_entry_point(); | |
| 191 } | |
| 192 | |
| 193 const char* OptoRuntime::stub_name(address entry) { | |
| 194 #ifndef PRODUCT | |
| 195 CodeBlob* cb = CodeCache::find_blob(entry); | |
| 196 RuntimeStub* rs =(RuntimeStub *)cb; | |
| 197 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub"); | |
| 198 return rs->name(); | |
| 199 #else | |
| 200 // Fast implementation for product mode (maybe it should be inlined too) | |
| 201 return "runtime stub"; | |
| 202 #endif | |
| 203 } | |
| 204 | |
| 205 | |
| 206 //============================================================================= | |
| 207 // Opto compiler runtime routines | |
| 208 //============================================================================= | |
| 209 | |
| 210 | |
| 211 //=============================allocation====================================== | |
| 212 // We failed the fast-path allocation. Now we need to do a scavenge or GC | |
| 213 // and try allocation again. | |
| 214 | |
| 1166 | 215 void OptoRuntime::new_store_pre_barrier(JavaThread* thread) { |
| 0 | 216 // After any safepoint, just before going back to compiled code, |
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217 // we inform the GC that we will be doing initializing writes to |
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218 // this object in the future without emitting card-marks, so |
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219 // GC may take any compensating steps. |
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220 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
| 0 | 221 |
| 222 oop new_obj = thread->vm_result(); | |
| 223 if (new_obj == NULL) return; | |
| 224 | |
| 225 assert(Universe::heap()->can_elide_tlab_store_barriers(), | |
| 226 "compiler must check this first"); | |
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227 // GC may decide to give back a safer copy of new_obj. |
| 1166 | 228 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
| 0 | 229 thread->set_vm_result(new_obj); |
| 230 } | |
| 231 | |
| 232 // object allocation | |
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233 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread)) |
| 0 | 234 JRT_BLOCK; |
| 235 #ifndef PRODUCT | |
| 236 SharedRuntime::_new_instance_ctr++; // new instance requires GC | |
| 237 #endif | |
| 238 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 239 | |
| 240 // These checks are cheap to make and support reflective allocation. | |
| 6983 | 241 int lh = klass->layout_helper(); |
| 0 | 242 if (Klass::layout_helper_needs_slow_path(lh) |
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243 || !InstanceKlass::cast(klass)->is_initialized()) { |
| 0 | 244 KlassHandle kh(THREAD, klass); |
| 245 kh->check_valid_for_instantiation(false, THREAD); | |
| 246 if (!HAS_PENDING_EXCEPTION) { | |
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247 InstanceKlass::cast(kh())->initialize(THREAD); |
| 0 | 248 } |
| 249 if (!HAS_PENDING_EXCEPTION) { | |
| 250 klass = kh(); | |
| 251 } else { | |
| 252 klass = NULL; | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 if (klass != NULL) { | |
| 257 // Scavenge and allocate an instance. | |
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258 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD); |
| 0 | 259 thread->set_vm_result(result); |
| 260 | |
| 261 // Pass oops back through thread local storage. Our apparent type to Java | |
| 262 // is that we return an oop, but we can block on exit from this routine and | |
| 263 // a GC can trash the oop in C's return register. The generated stub will | |
| 264 // fetch the oop from TLS after any possible GC. | |
| 265 } | |
| 266 | |
| 267 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 268 JRT_BLOCK_END; | |
| 269 | |
| 270 if (GraphKit::use_ReduceInitialCardMarks()) { | |
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271 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 272 new_store_pre_barrier(thread); |
| 0 | 273 } |
| 274 JRT_END | |
| 275 | |
| 276 | |
| 277 // array allocation | |
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278 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread)) |
| 0 | 279 JRT_BLOCK; |
| 280 #ifndef PRODUCT | |
| 281 SharedRuntime::_new_array_ctr++; // new array requires GC | |
| 282 #endif | |
| 283 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 284 | |
| 285 // Scavenge and allocate an instance. | |
| 286 oop result; | |
| 287 | |
| 6983 | 288 if (array_type->oop_is_typeArray()) { |
| 0 | 289 // The oopFactory likes to work with the element type. |
| 290 // (We could bypass the oopFactory, since it doesn't add much value.) | |
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291 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
| 0 | 292 result = oopFactory::new_typeArray(elem_type, len, THREAD); |
| 293 } else { | |
| 294 // Although the oopFactory likes to work with the elem_type, | |
| 295 // the compiler prefers the array_type, since it must already have | |
| 296 // that latter value in hand for the fast path. | |
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297 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass(); |
| 0 | 298 result = oopFactory::new_objArray(elem_type, len, THREAD); |
| 299 } | |
| 300 | |
| 301 // Pass oops back through thread local storage. Our apparent type to Java | |
| 302 // is that we return an oop, but we can block on exit from this routine and | |
| 303 // a GC can trash the oop in C's return register. The generated stub will | |
| 304 // fetch the oop from TLS after any possible GC. | |
| 305 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 306 thread->set_vm_result(result); | |
| 307 JRT_BLOCK_END; | |
| 308 | |
| 309 if (GraphKit::use_ReduceInitialCardMarks()) { | |
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310 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 311 new_store_pre_barrier(thread); |
| 0 | 312 } |
| 313 JRT_END | |
| 314 | |
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315 // array allocation without zeroing |
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316 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread)) |
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317 JRT_BLOCK; |
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318 #ifndef PRODUCT |
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319 SharedRuntime::_new_array_ctr++; // new array requires GC |
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320 #endif |
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321 assert(check_compiled_frame(thread), "incorrect caller"); |
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322 |
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323 // Scavenge and allocate an instance. |
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324 oop result; |
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325 |
| 6983 | 326 assert(array_type->oop_is_typeArray(), "should be called only for type array"); |
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327 // The oopFactory likes to work with the element type. |
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328 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
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329 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD); |
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330 |
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331 // Pass oops back through thread local storage. Our apparent type to Java |
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332 // is that we return an oop, but we can block on exit from this routine and |
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333 // a GC can trash the oop in C's return register. The generated stub will |
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334 // fetch the oop from TLS after any possible GC. |
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335 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
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336 thread->set_vm_result(result); |
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337 JRT_BLOCK_END; |
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338 |
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339 if (GraphKit::use_ReduceInitialCardMarks()) { |
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340 // inform GC that we won't do card marks for initializing writes. |
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341 new_store_pre_barrier(thread); |
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342 } |
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343 |
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344 oop result = thread->vm_result(); |
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345 if ((len > 0) && (result != NULL) && |
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346 is_deoptimized_caller_frame(thread)) { |
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347 // Zero array here if the caller is deoptimized. |
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348 int size = ((typeArrayOop)result)->object_size(); |
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349 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
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350 const size_t hs = arrayOopDesc::header_size(elem_type); |
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351 // Align to next 8 bytes to avoid trashing arrays's length. |
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352 const size_t aligned_hs = align_object_offset(hs); |
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353 HeapWord* obj = (HeapWord*)result; |
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354 if (aligned_hs > hs) { |
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355 Copy::zero_to_words(obj+hs, aligned_hs-hs); |
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356 } |
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357 // Optimized zeroing. |
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358 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs); |
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359 } |
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360 |
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361 JRT_END |
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362 |
| 0 | 363 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. |
| 364 | |
| 365 // multianewarray for 2 dimensions | |
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366 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread)) |
| 0 | 367 #ifndef PRODUCT |
| 368 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension | |
| 369 #endif | |
| 370 assert(check_compiled_frame(thread), "incorrect caller"); | |
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371 assert(elem_type->is_klass(), "not a class"); |
| 0 | 372 jint dims[2]; |
| 373 dims[0] = len1; | |
| 374 dims[1] = len2; | |
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375 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); |
| 0 | 376 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 377 thread->set_vm_result(obj); | |
| 378 JRT_END | |
| 379 | |
| 380 // multianewarray for 3 dimensions | |
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381 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread)) |
| 0 | 382 #ifndef PRODUCT |
| 383 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension | |
| 384 #endif | |
| 385 assert(check_compiled_frame(thread), "incorrect caller"); | |
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386 assert(elem_type->is_klass(), "not a class"); |
| 0 | 387 jint dims[3]; |
| 388 dims[0] = len1; | |
| 389 dims[1] = len2; | |
| 390 dims[2] = len3; | |
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391 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); |
| 0 | 392 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 393 thread->set_vm_result(obj); | |
| 394 JRT_END | |
| 395 | |
| 396 // multianewarray for 4 dimensions | |
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397 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) |
| 0 | 398 #ifndef PRODUCT |
| 399 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension | |
| 400 #endif | |
| 401 assert(check_compiled_frame(thread), "incorrect caller"); | |
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402 assert(elem_type->is_klass(), "not a class"); |
| 0 | 403 jint dims[4]; |
| 404 dims[0] = len1; | |
| 405 dims[1] = len2; | |
| 406 dims[2] = len3; | |
| 407 dims[3] = len4; | |
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408 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); |
| 0 | 409 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 410 thread->set_vm_result(obj); | |
| 411 JRT_END | |
| 412 | |
| 413 // multianewarray for 5 dimensions | |
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414 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) |
| 0 | 415 #ifndef PRODUCT |
| 416 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension | |
| 417 #endif | |
| 418 assert(check_compiled_frame(thread), "incorrect caller"); | |
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419 assert(elem_type->is_klass(), "not a class"); |
| 0 | 420 jint dims[5]; |
| 421 dims[0] = len1; | |
| 422 dims[1] = len2; | |
| 423 dims[2] = len3; | |
| 424 dims[3] = len4; | |
| 425 dims[4] = len5; | |
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426 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD); |
| 0 | 427 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 428 thread->set_vm_result(obj); | |
| 429 JRT_END | |
| 430 | |
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431 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread *thread)) |
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432 assert(check_compiled_frame(thread), "incorrect caller"); |
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433 assert(elem_type->is_klass(), "not a class"); |
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434 assert(oop(dims)->is_typeArray(), "not an array"); |
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435 |
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436 ResourceMark rm; |
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437 jint len = dims->length(); |
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438 assert(len > 0, "Dimensions array should contain data"); |
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439 jint *j_dims = typeArrayOop(dims)->int_at_addr(0); |
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440 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len); |
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441 Copy::conjoint_jints_atomic(j_dims, c_dims, len); |
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442 |
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443 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD); |
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444 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
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445 thread->set_vm_result(obj); |
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446 JRT_END |
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447 |
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448 |
| 0 | 449 const TypeFunc *OptoRuntime::new_instance_Type() { |
| 450 // create input type (domain) | |
| 451 const Type **fields = TypeTuple::fields(1); | |
| 452 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 453 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 454 | |
| 455 // create result type (range) | |
| 456 fields = TypeTuple::fields(1); | |
| 457 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 458 | |
| 459 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 460 | |
| 461 return TypeFunc::make(domain, range); | |
| 462 } | |
| 463 | |
| 464 | |
| 465 const TypeFunc *OptoRuntime::athrow_Type() { | |
| 466 // create input type (domain) | |
| 467 const Type **fields = TypeTuple::fields(1); | |
| 468 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 469 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 470 | |
| 471 // create result type (range) | |
| 472 fields = TypeTuple::fields(0); | |
| 473 | |
| 474 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 475 | |
| 476 return TypeFunc::make(domain, range); | |
| 477 } | |
| 478 | |
| 479 | |
| 480 const TypeFunc *OptoRuntime::new_array_Type() { | |
| 481 // create input type (domain) | |
| 482 const Type **fields = TypeTuple::fields(2); | |
| 483 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 484 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size | |
| 485 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 486 | |
| 487 // create result type (range) | |
| 488 fields = TypeTuple::fields(1); | |
| 489 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 490 | |
| 491 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 492 | |
| 493 return TypeFunc::make(domain, range); | |
| 494 } | |
| 495 | |
| 496 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { | |
| 497 // create input type (domain) | |
| 498 const int nargs = ndim + 1; | |
| 499 const Type **fields = TypeTuple::fields(nargs); | |
| 500 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 501 for( int i = 1; i < nargs; i++ ) | |
| 502 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size | |
| 503 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); | |
| 504 | |
| 505 // create result type (range) | |
| 506 fields = TypeTuple::fields(1); | |
| 507 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 508 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 509 | |
| 510 return TypeFunc::make(domain, range); | |
| 511 } | |
| 512 | |
| 513 const TypeFunc *OptoRuntime::multianewarray2_Type() { | |
| 514 return multianewarray_Type(2); | |
| 515 } | |
| 516 | |
| 517 const TypeFunc *OptoRuntime::multianewarray3_Type() { | |
| 518 return multianewarray_Type(3); | |
| 519 } | |
| 520 | |
| 521 const TypeFunc *OptoRuntime::multianewarray4_Type() { | |
| 522 return multianewarray_Type(4); | |
| 523 } | |
| 524 | |
| 525 const TypeFunc *OptoRuntime::multianewarray5_Type() { | |
| 526 return multianewarray_Type(5); | |
| 527 } | |
| 528 | |
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529 const TypeFunc *OptoRuntime::multianewarrayN_Type() { |
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530 // create input type (domain) |
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531 const Type **fields = TypeTuple::fields(2); |
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532 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass |
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533 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes |
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534 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); |
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535 |
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536 // create result type (range) |
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537 fields = TypeTuple::fields(1); |
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538 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop |
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539 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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540 |
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541 return TypeFunc::make(domain, range); |
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542 } |
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543 |
| 342 | 544 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { |
| 545 const Type **fields = TypeTuple::fields(2); | |
| 546 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value | |
| 547 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 548 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 549 | |
| 550 // create result type (range) | |
| 551 fields = TypeTuple::fields(0); | |
| 552 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 553 | |
| 554 return TypeFunc::make(domain, range); | |
| 555 } | |
| 556 | |
| 557 const TypeFunc *OptoRuntime::g1_wb_post_Type() { | |
| 558 | |
| 559 const Type **fields = TypeTuple::fields(2); | |
| 560 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr | |
| 561 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 562 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 563 | |
| 564 // create result type (range) | |
| 565 fields = TypeTuple::fields(0); | |
| 566 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 567 | |
| 568 return TypeFunc::make(domain, range); | |
| 569 } | |
| 570 | |
| 0 | 571 const TypeFunc *OptoRuntime::uncommon_trap_Type() { |
| 572 // create input type (domain) | |
| 573 const Type **fields = TypeTuple::fields(1); | |
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574 // Symbol* name of class to be loaded |
| 0 | 575 fields[TypeFunc::Parms+0] = TypeInt::INT; |
| 576 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 577 | |
| 578 // create result type (range) | |
| 579 fields = TypeTuple::fields(0); | |
| 580 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 581 | |
| 582 return TypeFunc::make(domain, range); | |
| 583 } | |
| 584 | |
| 585 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 586 // Type used for stub generation for zap_dead_locals. | |
| 587 // No inputs or outputs | |
| 588 const TypeFunc *OptoRuntime::zap_dead_locals_Type() { | |
| 589 // create input type (domain) | |
| 590 const Type **fields = TypeTuple::fields(0); | |
| 591 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields); | |
| 592 | |
| 593 // create result type (range) | |
| 594 fields = TypeTuple::fields(0); | |
| 595 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields); | |
| 596 | |
| 597 return TypeFunc::make(domain,range); | |
| 598 } | |
| 599 # endif | |
| 600 | |
| 601 | |
| 602 //----------------------------------------------------------------------------- | |
| 603 // Monitor Handling | |
| 604 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { | |
| 605 // create input type (domain) | |
| 606 const Type **fields = TypeTuple::fields(2); | |
| 607 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 608 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 609 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 610 | |
| 611 // create result type (range) | |
| 612 fields = TypeTuple::fields(0); | |
| 613 | |
| 614 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 615 | |
| 616 return TypeFunc::make(domain,range); | |
| 617 } | |
| 618 | |
| 619 | |
| 620 //----------------------------------------------------------------------------- | |
| 621 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { | |
| 622 // create input type (domain) | |
| 623 const Type **fields = TypeTuple::fields(2); | |
| 624 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 625 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 626 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 627 | |
| 628 // create result type (range) | |
| 629 fields = TypeTuple::fields(0); | |
| 630 | |
| 631 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 632 | |
| 633 return TypeFunc::make(domain,range); | |
| 634 } | |
| 635 | |
| 636 const TypeFunc* OptoRuntime::flush_windows_Type() { | |
| 637 // create input type (domain) | |
| 638 const Type** fields = TypeTuple::fields(1); | |
| 639 fields[TypeFunc::Parms+0] = NULL; // void | |
| 640 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); | |
| 641 | |
| 642 // create result type | |
| 643 fields = TypeTuple::fields(1); | |
| 644 fields[TypeFunc::Parms+0] = NULL; // void | |
| 645 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 646 | |
| 647 return TypeFunc::make(domain, range); | |
| 648 } | |
| 649 | |
| 650 const TypeFunc* OptoRuntime::l2f_Type() { | |
| 651 // create input type (domain) | |
| 652 const Type **fields = TypeTuple::fields(2); | |
| 653 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 654 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 655 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 656 | |
| 657 // create result type (range) | |
| 658 fields = TypeTuple::fields(1); | |
| 659 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 660 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 661 | |
| 662 return TypeFunc::make(domain, range); | |
| 663 } | |
| 664 | |
| 665 const TypeFunc* OptoRuntime::modf_Type() { | |
| 666 const Type **fields = TypeTuple::fields(2); | |
| 667 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 668 fields[TypeFunc::Parms+1] = Type::FLOAT; | |
| 669 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 670 | |
| 671 // create result type (range) | |
| 672 fields = TypeTuple::fields(1); | |
| 673 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 674 | |
| 675 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 676 | |
| 677 return TypeFunc::make(domain, range); | |
| 678 } | |
| 679 | |
| 680 const TypeFunc *OptoRuntime::Math_D_D_Type() { | |
| 681 // create input type (domain) | |
| 682 const Type **fields = TypeTuple::fields(2); | |
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683 // Symbol* name of class to be loaded |
| 0 | 684 fields[TypeFunc::Parms+0] = Type::DOUBLE; |
| 685 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 686 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 687 | |
| 688 // create result type (range) | |
| 689 fields = TypeTuple::fields(2); | |
| 690 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 691 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 692 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 693 | |
| 694 return TypeFunc::make(domain, range); | |
| 695 } | |
| 696 | |
| 697 const TypeFunc* OptoRuntime::Math_DD_D_Type() { | |
| 698 const Type **fields = TypeTuple::fields(4); | |
| 699 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 700 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 701 fields[TypeFunc::Parms+2] = Type::DOUBLE; | |
| 702 fields[TypeFunc::Parms+3] = Type::HALF; | |
| 703 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields); | |
| 704 | |
| 705 // create result type (range) | |
| 706 fields = TypeTuple::fields(2); | |
| 707 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 708 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 709 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 710 | |
| 711 return TypeFunc::make(domain, range); | |
| 712 } | |
| 713 | |
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714 //-------------- currentTimeMillis, currentTimeNanos, etc |
| 0 | 715 |
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716 const TypeFunc* OptoRuntime::void_long_Type() { |
| 0 | 717 // create input type (domain) |
| 718 const Type **fields = TypeTuple::fields(0); | |
| 719 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 720 | |
| 721 // create result type (range) | |
| 722 fields = TypeTuple::fields(2); | |
| 723 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 724 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 725 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 726 | |
| 727 return TypeFunc::make(domain, range); | |
| 728 } | |
| 729 | |
| 730 // arraycopy stub variations: | |
| 731 enum ArrayCopyType { | |
| 732 ac_fast, // void(ptr, ptr, size_t) | |
| 733 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) | |
| 734 ac_slow, // void(ptr, int, ptr, int, int) | |
| 735 ac_generic // int(ptr, int, ptr, int, int) | |
| 736 }; | |
| 737 | |
| 738 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { | |
| 739 // create input type (domain) | |
| 740 int num_args = (act == ac_fast ? 3 : 5); | |
| 741 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); | |
| 742 int argcnt = num_args; | |
| 743 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths | |
| 744 const Type** fields = TypeTuple::fields(argcnt); | |
| 745 int argp = TypeFunc::Parms; | |
| 746 fields[argp++] = TypePtr::NOTNULL; // src | |
| 747 if (num_size_args == 0) { | |
| 748 fields[argp++] = TypeInt::INT; // src_pos | |
| 749 } | |
| 750 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 751 if (num_size_args == 0) { | |
| 752 fields[argp++] = TypeInt::INT; // dest_pos | |
| 753 fields[argp++] = TypeInt::INT; // length | |
| 754 } | |
| 755 while (num_size_args-- > 0) { | |
| 756 fields[argp++] = TypeX_X; // size in whatevers (size_t) | |
| 757 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length | |
| 758 } | |
| 759 if (act == ac_checkcast) { | |
| 760 fields[argp++] = TypePtr::NOTNULL; // super_klass | |
| 761 } | |
| 762 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); | |
| 763 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 764 | |
| 765 // create result type if needed | |
| 766 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); | |
| 767 fields = TypeTuple::fields(1); | |
| 768 if (retcnt == 0) | |
| 769 fields[TypeFunc::Parms+0] = NULL; // void | |
| 770 else | |
| 771 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed | |
| 772 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); | |
| 773 return TypeFunc::make(domain, range); | |
| 774 } | |
| 775 | |
| 776 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { | |
| 777 // This signature is simple: Two base pointers and a size_t. | |
| 778 return make_arraycopy_Type(ac_fast); | |
| 779 } | |
| 780 | |
| 781 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { | |
| 782 // An extension of fast_arraycopy_Type which adds type checking. | |
| 783 return make_arraycopy_Type(ac_checkcast); | |
| 784 } | |
| 785 | |
| 786 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { | |
| 787 // This signature is exactly the same as System.arraycopy. | |
| 788 // There are no intptr_t (int/long) arguments. | |
| 789 return make_arraycopy_Type(ac_slow); | |
| 790 } | |
| 791 | |
| 792 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { | |
| 793 // This signature is like System.arraycopy, except that it returns status. | |
| 794 return make_arraycopy_Type(ac_generic); | |
| 795 } | |
| 796 | |
| 797 | |
| 1763 | 798 const TypeFunc* OptoRuntime::array_fill_Type() { |
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799 const Type** fields; |
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800 int argp = TypeFunc::Parms; |
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801 if (CCallingConventionRequiresIntsAsLongs) { |
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802 // create input type (domain): pointer, int, size_t |
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803 fields = TypeTuple::fields(3 LP64_ONLY( + 2)); |
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804 fields[argp++] = TypePtr::NOTNULL; |
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805 fields[argp++] = TypeLong::LONG; |
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806 fields[argp++] = Type::HALF; |
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807 } else { |
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808 // create input type (domain): pointer, int, size_t |
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809 fields = TypeTuple::fields(3 LP64_ONLY( + 1)); |
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810 fields[argp++] = TypePtr::NOTNULL; |
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811 fields[argp++] = TypeInt::INT; |
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812 } |
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813 fields[argp++] = TypeX_X; // size in whatevers (size_t) |
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814 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length |
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815 const TypeTuple *domain = TypeTuple::make(argp, fields); |
| 1763 | 816 |
| 817 // create result type | |
| 818 fields = TypeTuple::fields(1); | |
| 819 fields[TypeFunc::Parms+0] = NULL; // void | |
| 820 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 821 | |
| 822 return TypeFunc::make(domain, range); | |
| 823 } | |
| 824 | |
| 6894 | 825 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant) |
| 826 const TypeFunc* OptoRuntime::aescrypt_block_Type() { | |
| 827 // create input type (domain) | |
| 828 int num_args = 3; | |
| 14261 | 829 if (Matcher::pass_original_key_for_aes()) { |
| 830 num_args = 4; | |
| 831 } | |
| 6894 | 832 int argcnt = num_args; |
| 833 const Type** fields = TypeTuple::fields(argcnt); | |
| 834 int argp = TypeFunc::Parms; | |
| 835 fields[argp++] = TypePtr::NOTNULL; // src | |
| 836 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 837 fields[argp++] = TypePtr::NOTNULL; // k array | |
| 14261 | 838 if (Matcher::pass_original_key_for_aes()) { |
| 839 fields[argp++] = TypePtr::NOTNULL; // original k array | |
| 840 } | |
| 6894 | 841 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
| 842 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 843 | |
| 844 // no result type needed | |
| 845 fields = TypeTuple::fields(1); | |
| 846 fields[TypeFunc::Parms+0] = NULL; // void | |
| 847 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 848 return TypeFunc::make(domain, range); | |
| 849 } | |
| 850 | |
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851 /** |
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852 * int updateBytesCRC32(int crc, byte* b, int len) |
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853 */ |
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854 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() { |
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855 // create input type (domain) |
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856 int num_args = 3; |
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857 int argcnt = num_args; |
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858 const Type** fields = TypeTuple::fields(argcnt); |
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859 int argp = TypeFunc::Parms; |
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860 fields[argp++] = TypeInt::INT; // crc |
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861 fields[argp++] = TypePtr::NOTNULL; // src |
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862 fields[argp++] = TypeInt::INT; // len |
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863 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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864 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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865 |
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866 // result type needed |
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867 fields = TypeTuple::fields(1); |
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868 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result |
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869 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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870 return TypeFunc::make(domain, range); |
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871 } |
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872 |
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873 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int |
| 6894 | 874 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { |
| 875 // create input type (domain) | |
| 876 int num_args = 5; | |
| 14261 | 877 if (Matcher::pass_original_key_for_aes()) { |
| 878 num_args = 6; | |
| 879 } | |
| 6894 | 880 int argcnt = num_args; |
| 881 const Type** fields = TypeTuple::fields(argcnt); | |
| 882 int argp = TypeFunc::Parms; | |
| 883 fields[argp++] = TypePtr::NOTNULL; // src | |
| 884 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 885 fields[argp++] = TypePtr::NOTNULL; // k array | |
| 886 fields[argp++] = TypePtr::NOTNULL; // r array | |
| 887 fields[argp++] = TypeInt::INT; // src len | |
| 14261 | 888 if (Matcher::pass_original_key_for_aes()) { |
| 889 fields[argp++] = TypePtr::NOTNULL; // original k array | |
| 890 } | |
| 6894 | 891 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
| 892 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 893 | |
| 14261 | 894 // returning cipher len (int) |
| 6894 | 895 fields = TypeTuple::fields(1); |
| 14261 | 896 fields[TypeFunc::Parms+0] = TypeInt::INT; |
| 897 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 6894 | 898 return TypeFunc::make(domain, range); |
| 899 } | |
| 900 | |
| 0 | 901 //------------- Interpreter state access for on stack replacement |
| 902 const TypeFunc* OptoRuntime::osr_end_Type() { | |
| 903 // create input type (domain) | |
| 904 const Type **fields = TypeTuple::fields(1); | |
| 905 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf | |
| 906 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 907 | |
| 908 // create result type | |
| 909 fields = TypeTuple::fields(1); | |
| 910 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop | |
| 911 fields[TypeFunc::Parms+0] = NULL; // void | |
| 912 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 913 return TypeFunc::make(domain, range); | |
| 914 } | |
| 915 | |
| 916 //-------------- methodData update helpers | |
| 917 | |
| 918 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { | |
| 919 // create input type (domain) | |
| 920 const Type **fields = TypeTuple::fields(2); | |
| 921 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer | |
| 922 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop | |
| 923 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 924 | |
| 925 // create result type | |
| 926 fields = TypeTuple::fields(1); | |
| 927 fields[TypeFunc::Parms+0] = NULL; // void | |
| 928 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 929 return TypeFunc::make(domain,range); | |
| 930 } | |
| 931 | |
| 932 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) | |
| 933 if (receiver == NULL) return; | |
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934 Klass* receiver_klass = receiver->klass(); |
| 0 | 935 |
| 936 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); | |
| 937 int empty_row = -1; // free row, if any is encountered | |
| 938 | |
| 939 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); | |
| 940 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { | |
| 941 // if (vc->receiver(row) == receiver_klass) | |
| 942 int receiver_off = ReceiverTypeData::receiver_cell_index(row); | |
| 943 intptr_t row_recv = *(mdp + receiver_off); | |
| 944 if (row_recv == (intptr_t) receiver_klass) { | |
| 945 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); | |
| 946 int count_off = ReceiverTypeData::receiver_count_cell_index(row); | |
| 947 *(mdp + count_off) += DataLayout::counter_increment; | |
| 948 return; | |
| 949 } else if (row_recv == 0) { | |
| 950 // else if (vc->receiver(row) == NULL) | |
| 951 empty_row = (int) row; | |
| 952 } | |
| 953 } | |
| 954 | |
| 955 if (empty_row != -1) { | |
| 956 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); | |
| 957 // vc->set_receiver(empty_row, receiver_klass); | |
| 958 *(mdp + receiver_off) = (intptr_t) receiver_klass; | |
| 959 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); | |
| 960 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); | |
| 961 *(mdp + count_off) = DataLayout::counter_increment; | |
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962 } else { |
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963 // Receiver did not match any saved receiver and there is no empty row for it. |
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964 // Increment total counter to indicate polymorphic case. |
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965 intptr_t* count_p = (intptr_t*)(((byte*)(data)) + in_bytes(CounterData::count_offset())); |
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966 *count_p += DataLayout::counter_increment; |
| 0 | 967 } |
| 968 JRT_END | |
| 969 | |
| 970 //------------------------------------------------------------------------------------- | |
| 971 // register policy | |
| 972 | |
| 973 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { | |
| 974 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); | |
| 975 switch (register_save_policy[reg]) { | |
| 976 case 'C': return false; //SOC | |
| 977 case 'E': return true ; //SOE | |
| 978 case 'N': return false; //NS | |
| 979 case 'A': return false; //AS | |
| 980 } | |
| 981 ShouldNotReachHere(); | |
| 982 return false; | |
| 983 } | |
| 984 | |
| 985 //----------------------------------------------------------------------- | |
| 986 // Exceptions | |
| 987 // | |
| 988 | |
| 989 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; | |
| 990 | |
| 991 // The method is an entry that is always called by a C++ method not | |
| 992 // directly from compiled code. Compiled code will call the C++ method following. | |
| 993 // We can't allow async exception to be installed during exception processing. | |
| 994 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) | |
| 995 | |
| 996 // Do not confuse exception_oop with pending_exception. The exception_oop | |
| 997 // is only used to pass arguments into the method. Not for general | |
| 998 // exception handling. DO NOT CHANGE IT to use pending_exception, since | |
| 999 // the runtime stubs checks this on exit. | |
| 1000 assert(thread->exception_oop() != NULL, "exception oop is found"); | |
| 1001 address handler_address = NULL; | |
| 1002 | |
| 1003 Handle exception(thread, thread->exception_oop()); | |
|
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1004 address pc = thread->exception_pc(); |
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1005 |
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1006 // Clear out the exception oop and pc since looking up an |
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1007 // exception handler can cause class loading, which might throw an |
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1008 // exception and those fields are expected to be clear during |
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1009 // normal bytecode execution. |
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1010 thread->clear_exception_oop_and_pc(); |
| 0 | 1011 |
| 1012 if (TraceExceptions) { | |
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1013 trace_exception(exception(), pc, ""); |
| 0 | 1014 } |
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1015 |
| 0 | 1016 // for AbortVMOnException flag |
| 1017 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 1018 | |
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1019 #ifdef ASSERT |
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1020 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
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1021 // should throw an exception here |
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1022 ShouldNotReachHere(); |
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1023 } |
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1024 #endif |
| 0 | 1025 |
| 1026 // new exception handling: this method is entered only from adapters | |
| 1027 // exceptions from compiled java methods are handled in compiled code | |
| 1028 // using rethrow node | |
| 1029 | |
| 1030 nm = CodeCache::find_nmethod(pc); | |
| 1031 assert(nm != NULL, "No NMethod found"); | |
| 1032 if (nm->is_native_method()) { | |
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1033 fatal("Native method should not have path to exception handling"); |
| 0 | 1034 } else { |
| 1035 // we are switching to old paradigm: search for exception handler in caller_frame | |
| 1036 // instead in exception handler of caller_frame.sender() | |
| 1037 | |
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1038 if (JvmtiExport::can_post_on_exceptions()) { |
| 0 | 1039 // "Full-speed catching" is not necessary here, |
| 1040 // since we're notifying the VM on every catch. | |
| 1041 // Force deoptimization and the rest of the lookup | |
| 1042 // will be fine. | |
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1043 deoptimize_caller_frame(thread); |
| 0 | 1044 } |
| 1045 | |
| 1046 // Check the stack guard pages. If enabled, look for handler in this frame; | |
| 1047 // otherwise, forcibly unwind the frame. | |
| 1048 // | |
| 1049 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. | |
| 1050 bool force_unwind = !thread->reguard_stack(); | |
| 1051 bool deopting = false; | |
| 1052 if (nm->is_deopt_pc(pc)) { | |
| 1053 deopting = true; | |
| 1054 RegisterMap map(thread, false); | |
| 1055 frame deoptee = thread->last_frame().sender(&map); | |
| 1056 assert(deoptee.is_deoptimized_frame(), "must be deopted"); | |
| 1057 // Adjust the pc back to the original throwing pc | |
| 1058 pc = deoptee.pc(); | |
| 1059 } | |
| 1060 | |
| 1061 // If we are forcing an unwind because of stack overflow then deopt is | |
| 14391 | 1062 // irrelevant since we are throwing the frame away anyway. |
| 0 | 1063 |
| 1064 if (deopting && !force_unwind) { | |
| 1065 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 1066 } else { | |
| 1067 | |
| 1068 handler_address = | |
| 1069 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); | |
| 1070 | |
| 1071 if (handler_address == NULL) { | |
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1072 Handle original_exception(thread, exception()); |
| 0 | 1073 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true); |
| 1074 assert (handler_address != NULL, "must have compiled handler"); | |
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1075 // Update the exception cache only when the unwind was not forced |
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1076 // and there didn't happen another exception during the computation of the |
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1077 // compiled exception handler. |
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1078 if (!force_unwind && original_exception() == exception()) { |
| 0 | 1079 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); |
| 1080 } | |
| 1081 } else { | |
| 1082 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same"); | |
| 1083 } | |
| 1084 } | |
| 1085 | |
| 1086 thread->set_exception_pc(pc); | |
| 1087 thread->set_exception_handler_pc(handler_address); | |
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1088 |
| 1295 | 1089 // Check if the exception PC is a MethodHandle call site. |
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1090 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
| 0 | 1091 } |
| 1092 | |
| 1093 // Restore correct return pc. Was saved above. | |
| 1094 thread->set_exception_oop(exception()); | |
| 1095 return handler_address; | |
| 1096 | |
| 1097 JRT_END | |
| 1098 | |
| 1099 // We are entering here from exception_blob | |
| 1100 // If there is a compiled exception handler in this method, we will continue there; | |
| 1101 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 1102 // Note we enter without the usual JRT wrapper. We will call a helper routine that | |
| 1103 // will do the normal VM entry. We do it this way so that we can see if the nmethod | |
| 1104 // we looked up the handler for has been deoptimized in the meantime. If it has been | |
| 14391 | 1105 // we must not use the handler and instead return the deopt blob. |
| 0 | 1106 address OptoRuntime::handle_exception_C(JavaThread* thread) { |
| 1107 // | |
| 1108 // We are in Java not VM and in debug mode we have a NoHandleMark | |
| 1109 // | |
| 1110 #ifndef PRODUCT | |
| 1111 SharedRuntime::_find_handler_ctr++; // find exception handler | |
| 1112 #endif | |
| 1113 debug_only(NoHandleMark __hm;) | |
| 1114 nmethod* nm = NULL; | |
| 1115 address handler_address = NULL; | |
| 1116 { | |
| 1117 // Enter the VM | |
| 1118 | |
| 1119 ResetNoHandleMark rnhm; | |
| 1120 handler_address = handle_exception_C_helper(thread, nm); | |
| 1121 } | |
| 1122 | |
| 1123 // Back in java: Use no oops, DON'T safepoint | |
| 1124 | |
| 1125 // Now check to see if the handler we are returning is in a now | |
| 1126 // deoptimized frame | |
| 1127 | |
| 1128 if (nm != NULL) { | |
| 1129 RegisterMap map(thread, false); | |
| 1130 frame caller = thread->last_frame().sender(&map); | |
| 1131 #ifdef ASSERT | |
| 1132 assert(caller.is_compiled_frame(), "must be"); | |
| 1133 #endif // ASSERT | |
| 1134 if (caller.is_deoptimized_frame()) { | |
| 1135 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 1136 } | |
| 1137 } | |
| 1138 return handler_address; | |
| 1139 } | |
| 1140 | |
| 1141 //------------------------------rethrow---------------------------------------- | |
| 1142 // We get here after compiled code has executed a 'RethrowNode'. The callee | |
| 1143 // is either throwing or rethrowing an exception. The callee-save registers | |
| 1144 // have been restored, synchronized objects have been unlocked and the callee | |
| 1145 // stack frame has been removed. The return address was passed in. | |
| 1146 // Exception oop is passed as the 1st argument. This routine is then called | |
| 1147 // from the stub. On exit, we know where to jump in the caller's code. | |
| 1148 // After this C code exits, the stub will pop his frame and end in a jump | |
| 1149 // (instead of a return). We enter the caller's default handler. | |
| 1150 // | |
| 1151 // This must be JRT_LEAF: | |
| 1152 // - caller will not change its state as we cannot block on exit, | |
| 1153 // therefore raw_exception_handler_for_return_address is all it takes | |
| 1154 // to handle deoptimized blobs | |
| 1155 // | |
| 1156 // However, there needs to be a safepoint check in the middle! So compiled | |
| 1157 // safepoints are completely watertight. | |
| 1158 // | |
| 1159 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. | |
| 1160 // | |
| 1161 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* | |
| 1162 // | |
| 1163 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { | |
| 1164 #ifndef PRODUCT | |
| 1165 SharedRuntime::_rethrow_ctr++; // count rethrows | |
| 1166 #endif | |
| 1167 assert (exception != NULL, "should have thrown a NULLPointerException"); | |
| 1168 #ifdef ASSERT | |
| 1142 | 1169 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
| 0 | 1170 // should throw an exception here |
| 1171 ShouldNotReachHere(); | |
| 1172 } | |
| 1173 #endif | |
| 1174 | |
| 1175 thread->set_vm_result(exception); | |
| 1176 // Frame not compiled (handles deoptimization blob) | |
| 1295 | 1177 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); |
| 0 | 1178 } |
| 1179 | |
| 1180 | |
| 1181 const TypeFunc *OptoRuntime::rethrow_Type() { | |
| 1182 // create input type (domain) | |
| 1183 const Type **fields = TypeTuple::fields(1); | |
| 1184 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 1185 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1186 | |
| 1187 // create result type (range) | |
| 1188 fields = TypeTuple::fields(1); | |
| 1189 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 1190 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 1191 | |
| 1192 return TypeFunc::make(domain, range); | |
| 1193 } | |
| 1194 | |
| 1195 | |
| 1196 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { | |
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1197 // Deoptimize the caller before continuing, as the compiled |
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1198 // exception handler table may not be valid. |
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1199 if (!StressCompiledExceptionHandlers && doit) { |
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1200 deoptimize_caller_frame(thread); |
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1201 } |
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1202 } |
| 0 | 1203 |
|
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1204 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) { |
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1205 // Called from within the owner thread, so no need for safepoint |
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1206 RegisterMap reg_map(thread); |
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1207 frame stub_frame = thread->last_frame(); |
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1208 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
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1209 frame caller_frame = stub_frame.sender(®_map); |
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1210 |
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1211 // Deoptimize the caller frame. |
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1212 Deoptimization::deoptimize_frame(thread, caller_frame.id()); |
| 0 | 1213 } |
| 1214 | |
| 1215 | |
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1216 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { |
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1217 // Called from within the owner thread, so no need for safepoint |
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1218 RegisterMap reg_map(thread); |
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1219 frame stub_frame = thread->last_frame(); |
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1220 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
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1221 frame caller_frame = stub_frame.sender(®_map); |
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1222 return caller_frame.is_deoptimized_frame(); |
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1223 } |
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1224 |
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1225 |
| 0 | 1226 const TypeFunc *OptoRuntime::register_finalizer_Type() { |
| 1227 // create input type (domain) | |
| 1228 const Type **fields = TypeTuple::fields(1); | |
| 1229 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver | |
| 1230 // // The JavaThread* is passed to each routine as the last argument | |
| 1231 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread | |
| 1232 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1233 | |
| 1234 // create result type (range) | |
| 1235 fields = TypeTuple::fields(0); | |
| 1236 | |
| 1237 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1238 | |
| 1239 return TypeFunc::make(domain,range); | |
| 1240 } | |
| 1241 | |
| 1242 | |
| 1243 //----------------------------------------------------------------------------- | |
| 1244 // Dtrace support. entry and exit probes have the same signature | |
| 1245 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { | |
| 1246 // create input type (domain) | |
| 1247 const Type **fields = TypeTuple::fields(2); | |
| 1248 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
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1249 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering |
| 0 | 1250 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); |
| 1251 | |
| 1252 // create result type (range) | |
| 1253 fields = TypeTuple::fields(0); | |
| 1254 | |
| 1255 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1256 | |
| 1257 return TypeFunc::make(domain,range); | |
| 1258 } | |
| 1259 | |
| 1260 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { | |
| 1261 // create input type (domain) | |
| 1262 const Type **fields = TypeTuple::fields(2); | |
| 1263 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
| 1264 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object | |
| 1265 | |
| 1266 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 1267 | |
| 1268 // create result type (range) | |
| 1269 fields = TypeTuple::fields(0); | |
| 1270 | |
| 1271 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1272 | |
| 1273 return TypeFunc::make(domain,range); | |
| 1274 } | |
| 1275 | |
| 1276 | |
| 1277 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) | |
| 1278 assert(obj->is_oop(), "must be a valid oop"); | |
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1279 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
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1280 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
| 0 | 1281 JRT_END |
| 1282 | |
| 1283 //----------------------------------------------------------------------------- | |
| 1284 | |
| 1285 NamedCounter * volatile OptoRuntime::_named_counters = NULL; | |
| 1286 | |
| 1287 // | |
| 1288 // dump the collected NamedCounters. | |
| 1289 // | |
| 1290 void OptoRuntime::print_named_counters() { | |
| 1291 int total_lock_count = 0; | |
| 1292 int eliminated_lock_count = 0; | |
| 1293 | |
| 1294 NamedCounter* c = _named_counters; | |
| 1295 while (c) { | |
| 1296 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { | |
| 1297 int count = c->count(); | |
| 1298 if (count > 0) { | |
| 1299 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; | |
| 1300 if (Verbose) { | |
| 1301 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); | |
| 1302 } | |
| 1303 total_lock_count += count; | |
| 1304 if (eliminated) { | |
| 1305 eliminated_lock_count += count; | |
| 1306 } | |
| 1307 } | |
| 1308 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { | |
| 1309 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); | |
| 1310 if (blc->nonzero()) { | |
| 1311 tty->print_cr("%s", c->name()); | |
| 1312 blc->print_on(tty); | |
| 1313 } | |
| 17780 | 1314 #if INCLUDE_RTM_OPT |
| 1315 } else if (c->tag() == NamedCounter::RTMLockingCounter) { | |
| 1316 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters(); | |
| 1317 if (rlc->nonzero()) { | |
| 1318 tty->print_cr("%s", c->name()); | |
| 1319 rlc->print_on(tty); | |
| 1320 } | |
| 1321 #endif | |
| 0 | 1322 } |
| 1323 c = c->next(); | |
| 1324 } | |
| 1325 if (total_lock_count > 0) { | |
| 1326 tty->print_cr("dynamic locks: %d", total_lock_count); | |
| 1327 if (eliminated_lock_count) { | |
| 1328 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, | |
| 1329 (int)(eliminated_lock_count * 100.0 / total_lock_count)); | |
| 1330 } | |
| 1331 } | |
| 1332 } | |
| 1333 | |
| 1334 // | |
| 1335 // Allocate a new NamedCounter. The JVMState is used to generate the | |
| 1336 // name which consists of method@line for the inlining tree. | |
| 1337 // | |
| 1338 | |
| 1339 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { | |
| 1340 int max_depth = youngest_jvms->depth(); | |
| 1341 | |
| 1342 // Visit scopes from youngest to oldest. | |
| 1343 bool first = true; | |
| 1344 stringStream st; | |
| 1345 for (int depth = max_depth; depth >= 1; depth--) { | |
| 1346 JVMState* jvms = youngest_jvms->of_depth(depth); | |
| 1347 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; | |
| 1348 if (!first) { | |
| 1349 st.print(" "); | |
| 1350 } else { | |
| 1351 first = false; | |
| 1352 } | |
| 1353 int bci = jvms->bci(); | |
| 1354 if (bci < 0) bci = 0; | |
| 1355 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); | |
| 1356 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) | |
| 1357 } | |
| 1358 NamedCounter* c; | |
| 1359 if (tag == NamedCounter::BiasedLockingCounter) { | |
| 1360 c = new BiasedLockingNamedCounter(strdup(st.as_string())); | |
| 17780 | 1361 } else if (tag == NamedCounter::RTMLockingCounter) { |
| 1362 c = new RTMLockingNamedCounter(strdup(st.as_string())); | |
| 0 | 1363 } else { |
| 1364 c = new NamedCounter(strdup(st.as_string()), tag); | |
| 1365 } | |
| 1366 | |
| 1367 // atomically add the new counter to the head of the list. We only | |
| 1368 // add counters so this is safe. | |
| 1369 NamedCounter* head; | |
| 1370 do { | |
| 17780 | 1371 c->set_next(NULL); |
| 0 | 1372 head = _named_counters; |
| 1373 c->set_next(head); | |
| 1374 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); | |
| 1375 return c; | |
| 1376 } | |
| 1377 | |
| 1378 //----------------------------------------------------------------------------- | |
| 1379 // Non-product code | |
| 1380 #ifndef PRODUCT | |
| 1381 | |
| 1382 int trace_exception_counter = 0; | |
| 1383 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { | |
| 1384 ttyLocker ttyl; | |
| 1385 trace_exception_counter++; | |
| 1386 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); | |
| 1387 exception_oop->print_value(); | |
| 1388 tty->print(" in "); | |
| 1389 CodeBlob* blob = CodeCache::find_blob(exception_pc); | |
| 1390 if (blob->is_nmethod()) { | |
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1391 nmethod* nm = blob->as_nmethod_or_null(); |
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1392 nm->method()->print_value(); |
| 0 | 1393 } else if (blob->is_runtime_stub()) { |
| 1394 tty->print("<runtime-stub>"); | |
| 1395 } else { | |
| 1396 tty->print("<unknown>"); | |
| 1397 } | |
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1398 tty->print(" at " INTPTR_FORMAT, p2i(exception_pc)); |
| 0 | 1399 tty->print_cr("]"); |
| 1400 } | |
| 1401 | |
| 1402 #endif // PRODUCT | |
| 1403 | |
| 1404 | |
| 1405 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 1406 // Called from call sites in compiled code with oop maps (actually safepoints) | |
| 1407 // Zaps dead locals in first java frame. | |
| 1408 // Is entry because may need to lock to generate oop maps | |
| 1409 // Currently, only used for compiler frames, but someday may be used | |
| 1410 // for interpreter frames, too. | |
| 1411 | |
| 1412 int OptoRuntime::ZapDeadCompiledLocals_count = 0; | |
| 1413 | |
| 1414 // avoid pointers to member funcs with these helpers | |
| 1415 static bool is_java_frame( frame* f) { return f->is_java_frame(); } | |
| 1416 static bool is_native_frame(frame* f) { return f->is_native_frame(); } | |
| 1417 | |
| 1418 | |
| 1419 void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread, | |
| 1420 bool (*is_this_the_right_frame_to_zap)(frame*)) { | |
| 1421 assert(JavaThread::current() == thread, "is this needed?"); | |
| 1422 | |
| 1423 if ( !ZapDeadCompiledLocals ) return; | |
| 1424 | |
| 1425 bool skip = false; | |
| 1426 | |
| 1427 if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special | |
| 1428 else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true; | |
| 1429 else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count ) | |
| 1430 warning("starting zapping after skipping"); | |
| 1431 | |
| 1432 if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special | |
| 1433 else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true; | |
| 1434 else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count ) | |
| 1435 warning("about to zap last zap"); | |
| 1436 | |
| 1437 ++ZapDeadCompiledLocals_count; // counts skipped zaps, too | |
| 1438 | |
| 1439 if ( skip ) return; | |
| 1440 | |
| 1441 // find java frame and zap it | |
| 1442 | |
| 1443 for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) { | |
| 1444 if (is_this_the_right_frame_to_zap(sfs.current()) ) { | |
| 1445 sfs.current()->zap_dead_locals(thread, sfs.register_map()); | |
| 1446 return; | |
| 1447 } | |
| 1448 } | |
| 1449 warning("no frame found to zap in zap_dead_Java_locals_C"); | |
| 1450 } | |
| 1451 | |
| 1452 JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread)) | |
| 1453 zap_dead_java_or_native_locals(thread, is_java_frame); | |
| 1454 JRT_END | |
| 1455 | |
| 1456 // The following does not work because for one thing, the | |
| 1457 // thread state is wrong; it expects java, but it is native. | |
| 605 | 1458 // Also, the invariants in a native stub are different and |
| 0 | 1459 // I'm not sure it is safe to have a MachCalRuntimeDirectNode |
| 1460 // in there. | |
| 1461 // So for now, we do not zap in native stubs. | |
| 1462 | |
| 1463 JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread)) | |
| 1464 zap_dead_java_or_native_locals(thread, is_native_frame); | |
| 1465 JRT_END | |
| 1466 | |
| 1467 # endif |