Mercurial > hg > graal-jvmci-8
annotate src/share/vm/opto/runtime.cpp @ 22851:ddce0b7cee93
8072383: resolve conflicts between open and closed ports
Summary: refactor close to remove references to closed ports
Reviewed-by: kvn, simonis, sgehwolf, dholmes
| author | dlong |
|---|---|
| date | Tue, 24 Feb 2015 15:04:52 -0500 |
| parents | 166d744df0de |
| children | dd9cc155639c daaf806995b3 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2015, 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" | |
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71 #if defined AD_MD_HPP |
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72 # include AD_MD_HPP |
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73 #elif defined TARGET_ARCH_MODEL_x86_32 |
| 1972 | 74 # include "adfiles/ad_x86_32.hpp" |
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75 #elif defined TARGET_ARCH_MODEL_x86_64 |
| 1972 | 76 # include "adfiles/ad_x86_64.hpp" |
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77 #elif defined TARGET_ARCH_MODEL_sparc |
| 1972 | 78 # include "adfiles/ad_sparc.hpp" |
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79 #elif defined TARGET_ARCH_MODEL_zero |
| 1972 | 80 # include "adfiles/ad_zero.hpp" |
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81 #elif defined TARGET_ARCH_MODEL_ppc_64 |
| 14391 | 82 # include "adfiles/ad_ppc_64.hpp" |
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83 #endif |
| 0 | 84 |
| 85 | |
| 86 // For debugging purposes: | |
| 87 // To force FullGCALot inside a runtime function, add the following two lines | |
| 88 // | |
| 89 // Universe::release_fullgc_alot_dummy(); | |
| 90 // MarkSweep::invoke(0, "Debugging"); | |
| 91 // | |
| 92 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000 | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 // Compiled code entry points | |
| 98 address OptoRuntime::_new_instance_Java = NULL; | |
| 99 address OptoRuntime::_new_array_Java = NULL; | |
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100 address OptoRuntime::_new_array_nozero_Java = NULL; |
| 0 | 101 address OptoRuntime::_multianewarray2_Java = NULL; |
| 102 address OptoRuntime::_multianewarray3_Java = NULL; | |
| 103 address OptoRuntime::_multianewarray4_Java = NULL; | |
| 104 address OptoRuntime::_multianewarray5_Java = NULL; | |
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105 address OptoRuntime::_multianewarrayN_Java = NULL; |
| 342 | 106 address OptoRuntime::_g1_wb_pre_Java = NULL; |
| 107 address OptoRuntime::_g1_wb_post_Java = NULL; | |
| 0 | 108 address OptoRuntime::_vtable_must_compile_Java = NULL; |
| 109 address OptoRuntime::_complete_monitor_locking_Java = NULL; | |
| 110 address OptoRuntime::_rethrow_Java = NULL; | |
| 111 | |
| 112 address OptoRuntime::_slow_arraycopy_Java = NULL; | |
| 113 address OptoRuntime::_register_finalizer_Java = NULL; | |
| 114 | |
| 115 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 116 address OptoRuntime::_zap_dead_Java_locals_Java = NULL; | |
| 117 address OptoRuntime::_zap_dead_native_locals_Java = NULL; | |
| 118 # endif | |
| 119 | |
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120 ExceptionBlob* OptoRuntime::_exception_blob; |
| 0 | 121 |
| 122 // This should be called in an assertion at the start of OptoRuntime routines | |
| 123 // which are entered from compiled code (all of them) | |
| 10274 | 124 #ifdef ASSERT |
| 0 | 125 static bool check_compiled_frame(JavaThread* thread) { |
| 126 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code"); | |
| 127 RegisterMap map(thread, false); | |
| 128 frame caller = thread->last_frame().sender(&map); | |
| 129 assert(caller.is_compiled_frame(), "not being called from compiled like code"); | |
| 130 return true; | |
| 131 } | |
| 10274 | 132 #endif // ASSERT |
| 0 | 133 |
| 134 | |
| 135 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \ | |
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136 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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137 if (var == NULL) { return false; } |
| 0 | 138 |
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139 bool OptoRuntime::generate(ciEnv* env) { |
| 0 | 140 |
| 141 generate_exception_blob(); | |
| 142 | |
| 143 // Note: tls: Means fetching the return oop out of the thread-local storage | |
| 144 // | |
| 145 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc | |
| 146 // ------------------------------------------------------------------------------------------------------------------------------- | |
| 147 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); | |
| 148 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false); | |
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149 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false); |
| 0 | 150 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); |
| 151 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); | |
| 152 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); | |
| 153 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false); | |
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154 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false); |
| 342 | 155 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); |
| 156 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); | |
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157 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false); |
| 0 | 158 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); |
| 159 | |
| 160 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); | |
| 161 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); | |
| 162 | |
| 163 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 164 gen(env, _zap_dead_Java_locals_Java , zap_dead_locals_Type , zap_dead_Java_locals_C , 0 , false, true , false ); | |
| 165 gen(env, _zap_dead_native_locals_Java , zap_dead_locals_Type , zap_dead_native_locals_C , 0 , false, true , false ); | |
| 166 # endif | |
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167 return true; |
| 0 | 168 } |
| 169 | |
| 170 #undef gen | |
| 171 | |
| 172 | |
| 173 // Helper method to do generation of RunTimeStub's | |
| 174 address OptoRuntime::generate_stub( ciEnv* env, | |
| 175 TypeFunc_generator gen, address C_function, | |
| 176 const char *name, int is_fancy_jump, | |
| 177 bool pass_tls, | |
| 178 bool save_argument_registers, | |
| 179 bool return_pc ) { | |
| 180 ResourceMark rm; | |
| 181 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc ); | |
| 182 return C.stub_entry_point(); | |
| 183 } | |
| 184 | |
| 185 const char* OptoRuntime::stub_name(address entry) { | |
| 186 #ifndef PRODUCT | |
| 187 CodeBlob* cb = CodeCache::find_blob(entry); | |
| 188 RuntimeStub* rs =(RuntimeStub *)cb; | |
| 189 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub"); | |
| 190 return rs->name(); | |
| 191 #else | |
| 192 // Fast implementation for product mode (maybe it should be inlined too) | |
| 193 return "runtime stub"; | |
| 194 #endif | |
| 195 } | |
| 196 | |
| 197 | |
| 198 //============================================================================= | |
| 199 // Opto compiler runtime routines | |
| 200 //============================================================================= | |
| 201 | |
| 202 | |
| 203 //=============================allocation====================================== | |
| 204 // We failed the fast-path allocation. Now we need to do a scavenge or GC | |
| 205 // and try allocation again. | |
| 206 | |
| 1166 | 207 void OptoRuntime::new_store_pre_barrier(JavaThread* thread) { |
| 0 | 208 // After any safepoint, just before going back to compiled code, |
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209 // we inform the GC that we will be doing initializing writes to |
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210 // this object in the future without emitting card-marks, so |
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211 // GC may take any compensating steps. |
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212 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
| 0 | 213 |
| 214 oop new_obj = thread->vm_result(); | |
| 215 if (new_obj == NULL) return; | |
| 216 | |
| 217 assert(Universe::heap()->can_elide_tlab_store_barriers(), | |
| 218 "compiler must check this first"); | |
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219 // GC may decide to give back a safer copy of new_obj. |
| 1166 | 220 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
| 0 | 221 thread->set_vm_result(new_obj); |
| 222 } | |
| 223 | |
| 224 // object allocation | |
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225 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread)) |
| 0 | 226 JRT_BLOCK; |
| 227 #ifndef PRODUCT | |
| 228 SharedRuntime::_new_instance_ctr++; // new instance requires GC | |
| 229 #endif | |
| 230 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 231 | |
| 232 // These checks are cheap to make and support reflective allocation. | |
| 6983 | 233 int lh = klass->layout_helper(); |
| 0 | 234 if (Klass::layout_helper_needs_slow_path(lh) |
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235 || !InstanceKlass::cast(klass)->is_initialized()) { |
| 0 | 236 KlassHandle kh(THREAD, klass); |
| 237 kh->check_valid_for_instantiation(false, THREAD); | |
| 238 if (!HAS_PENDING_EXCEPTION) { | |
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239 InstanceKlass::cast(kh())->initialize(THREAD); |
| 0 | 240 } |
| 241 if (!HAS_PENDING_EXCEPTION) { | |
| 242 klass = kh(); | |
| 243 } else { | |
| 244 klass = NULL; | |
| 245 } | |
| 246 } | |
| 247 | |
| 248 if (klass != NULL) { | |
| 249 // Scavenge and allocate an instance. | |
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250 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD); |
| 0 | 251 thread->set_vm_result(result); |
| 252 | |
| 253 // Pass oops back through thread local storage. Our apparent type to Java | |
| 254 // is that we return an oop, but we can block on exit from this routine and | |
| 255 // a GC can trash the oop in C's return register. The generated stub will | |
| 256 // fetch the oop from TLS after any possible GC. | |
| 257 } | |
| 258 | |
| 259 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 260 JRT_BLOCK_END; | |
| 261 | |
| 262 if (GraphKit::use_ReduceInitialCardMarks()) { | |
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263 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 264 new_store_pre_barrier(thread); |
| 0 | 265 } |
| 266 JRT_END | |
| 267 | |
| 268 | |
| 269 // array allocation | |
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270 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread)) |
| 0 | 271 JRT_BLOCK; |
| 272 #ifndef PRODUCT | |
| 273 SharedRuntime::_new_array_ctr++; // new array requires GC | |
| 274 #endif | |
| 275 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 276 | |
| 277 // Scavenge and allocate an instance. | |
| 278 oop result; | |
| 279 | |
| 6983 | 280 if (array_type->oop_is_typeArray()) { |
| 0 | 281 // The oopFactory likes to work with the element type. |
| 282 // (We could bypass the oopFactory, since it doesn't add much value.) | |
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283 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
| 0 | 284 result = oopFactory::new_typeArray(elem_type, len, THREAD); |
| 285 } else { | |
| 286 // Although the oopFactory likes to work with the elem_type, | |
| 287 // the compiler prefers the array_type, since it must already have | |
| 288 // that latter value in hand for the fast path. | |
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289 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass(); |
| 0 | 290 result = oopFactory::new_objArray(elem_type, len, THREAD); |
| 291 } | |
| 292 | |
| 293 // Pass oops back through thread local storage. Our apparent type to Java | |
| 294 // is that we return an oop, but we can block on exit from this routine and | |
| 295 // a GC can trash the oop in C's return register. The generated stub will | |
| 296 // fetch the oop from TLS after any possible GC. | |
| 297 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 298 thread->set_vm_result(result); | |
| 299 JRT_BLOCK_END; | |
| 300 | |
| 301 if (GraphKit::use_ReduceInitialCardMarks()) { | |
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302 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 303 new_store_pre_barrier(thread); |
| 0 | 304 } |
| 305 JRT_END | |
| 306 | |
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307 // array allocation without zeroing |
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308 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread)) |
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309 JRT_BLOCK; |
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310 #ifndef PRODUCT |
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311 SharedRuntime::_new_array_ctr++; // new array requires GC |
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312 #endif |
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313 assert(check_compiled_frame(thread), "incorrect caller"); |
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314 |
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315 // Scavenge and allocate an instance. |
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316 oop result; |
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317 |
| 6983 | 318 assert(array_type->oop_is_typeArray(), "should be called only for type array"); |
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319 // The oopFactory likes to work with the element type. |
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320 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
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321 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD); |
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322 |
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323 // Pass oops back through thread local storage. Our apparent type to Java |
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324 // is that we return an oop, but we can block on exit from this routine and |
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325 // a GC can trash the oop in C's return register. The generated stub will |
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326 // fetch the oop from TLS after any possible GC. |
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327 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
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328 thread->set_vm_result(result); |
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329 JRT_BLOCK_END; |
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330 |
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331 if (GraphKit::use_ReduceInitialCardMarks()) { |
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332 // inform GC that we won't do card marks for initializing writes. |
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333 new_store_pre_barrier(thread); |
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334 } |
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335 |
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336 oop result = thread->vm_result(); |
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337 if ((len > 0) && (result != NULL) && |
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338 is_deoptimized_caller_frame(thread)) { |
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339 // Zero array here if the caller is deoptimized. |
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340 int size = ((typeArrayOop)result)->object_size(); |
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341 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
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342 const size_t hs = arrayOopDesc::header_size(elem_type); |
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343 // Align to next 8 bytes to avoid trashing arrays's length. |
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344 const size_t aligned_hs = align_object_offset(hs); |
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345 HeapWord* obj = (HeapWord*)result; |
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346 if (aligned_hs > hs) { |
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347 Copy::zero_to_words(obj+hs, aligned_hs-hs); |
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348 } |
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349 // Optimized zeroing. |
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350 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs); |
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351 } |
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352 |
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353 JRT_END |
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354 |
| 0 | 355 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. |
| 356 | |
| 357 // multianewarray for 2 dimensions | |
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358 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread)) |
| 0 | 359 #ifndef PRODUCT |
| 360 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension | |
| 361 #endif | |
| 362 assert(check_compiled_frame(thread), "incorrect caller"); | |
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363 assert(elem_type->is_klass(), "not a class"); |
| 0 | 364 jint dims[2]; |
| 365 dims[0] = len1; | |
| 366 dims[1] = len2; | |
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367 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); |
| 0 | 368 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 369 thread->set_vm_result(obj); | |
| 370 JRT_END | |
| 371 | |
| 372 // multianewarray for 3 dimensions | |
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373 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread)) |
| 0 | 374 #ifndef PRODUCT |
| 375 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension | |
| 376 #endif | |
| 377 assert(check_compiled_frame(thread), "incorrect caller"); | |
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378 assert(elem_type->is_klass(), "not a class"); |
| 0 | 379 jint dims[3]; |
| 380 dims[0] = len1; | |
| 381 dims[1] = len2; | |
| 382 dims[2] = len3; | |
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383 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); |
| 0 | 384 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 385 thread->set_vm_result(obj); | |
| 386 JRT_END | |
| 387 | |
| 388 // multianewarray for 4 dimensions | |
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389 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) |
| 0 | 390 #ifndef PRODUCT |
| 391 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension | |
| 392 #endif | |
| 393 assert(check_compiled_frame(thread), "incorrect caller"); | |
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394 assert(elem_type->is_klass(), "not a class"); |
| 0 | 395 jint dims[4]; |
| 396 dims[0] = len1; | |
| 397 dims[1] = len2; | |
| 398 dims[2] = len3; | |
| 399 dims[3] = len4; | |
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400 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); |
| 0 | 401 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 402 thread->set_vm_result(obj); | |
| 403 JRT_END | |
| 404 | |
| 405 // multianewarray for 5 dimensions | |
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406 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) |
| 0 | 407 #ifndef PRODUCT |
| 408 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension | |
| 409 #endif | |
| 410 assert(check_compiled_frame(thread), "incorrect caller"); | |
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411 assert(elem_type->is_klass(), "not a class"); |
| 0 | 412 jint dims[5]; |
| 413 dims[0] = len1; | |
| 414 dims[1] = len2; | |
| 415 dims[2] = len3; | |
| 416 dims[3] = len4; | |
| 417 dims[4] = len5; | |
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418 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD); |
| 0 | 419 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
| 420 thread->set_vm_result(obj); | |
| 421 JRT_END | |
| 422 | |
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423 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread *thread)) |
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424 assert(check_compiled_frame(thread), "incorrect caller"); |
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425 assert(elem_type->is_klass(), "not a class"); |
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426 assert(oop(dims)->is_typeArray(), "not an array"); |
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427 |
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428 ResourceMark rm; |
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429 jint len = dims->length(); |
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430 assert(len > 0, "Dimensions array should contain data"); |
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431 jint *j_dims = typeArrayOop(dims)->int_at_addr(0); |
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432 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len); |
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433 Copy::conjoint_jints_atomic(j_dims, c_dims, len); |
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434 |
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435 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD); |
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436 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
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437 thread->set_vm_result(obj); |
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438 JRT_END |
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439 |
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440 |
| 0 | 441 const TypeFunc *OptoRuntime::new_instance_Type() { |
| 442 // create input type (domain) | |
| 443 const Type **fields = TypeTuple::fields(1); | |
| 444 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 445 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 446 | |
| 447 // create result type (range) | |
| 448 fields = TypeTuple::fields(1); | |
| 449 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 450 | |
| 451 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 452 | |
| 453 return TypeFunc::make(domain, range); | |
| 454 } | |
| 455 | |
| 456 | |
| 457 const TypeFunc *OptoRuntime::athrow_Type() { | |
| 458 // create input type (domain) | |
| 459 const Type **fields = TypeTuple::fields(1); | |
| 460 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 461 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 462 | |
| 463 // create result type (range) | |
| 464 fields = TypeTuple::fields(0); | |
| 465 | |
| 466 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 467 | |
| 468 return TypeFunc::make(domain, range); | |
| 469 } | |
| 470 | |
| 471 | |
| 472 const TypeFunc *OptoRuntime::new_array_Type() { | |
| 473 // create input type (domain) | |
| 474 const Type **fields = TypeTuple::fields(2); | |
| 475 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 476 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size | |
| 477 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 478 | |
| 479 // create result type (range) | |
| 480 fields = TypeTuple::fields(1); | |
| 481 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 482 | |
| 483 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 484 | |
| 485 return TypeFunc::make(domain, range); | |
| 486 } | |
| 487 | |
| 488 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { | |
| 489 // create input type (domain) | |
| 490 const int nargs = ndim + 1; | |
| 491 const Type **fields = TypeTuple::fields(nargs); | |
| 492 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 493 for( int i = 1; i < nargs; i++ ) | |
| 494 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size | |
| 495 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); | |
| 496 | |
| 497 // create result type (range) | |
| 498 fields = TypeTuple::fields(1); | |
| 499 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 500 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 501 | |
| 502 return TypeFunc::make(domain, range); | |
| 503 } | |
| 504 | |
| 505 const TypeFunc *OptoRuntime::multianewarray2_Type() { | |
| 506 return multianewarray_Type(2); | |
| 507 } | |
| 508 | |
| 509 const TypeFunc *OptoRuntime::multianewarray3_Type() { | |
| 510 return multianewarray_Type(3); | |
| 511 } | |
| 512 | |
| 513 const TypeFunc *OptoRuntime::multianewarray4_Type() { | |
| 514 return multianewarray_Type(4); | |
| 515 } | |
| 516 | |
| 517 const TypeFunc *OptoRuntime::multianewarray5_Type() { | |
| 518 return multianewarray_Type(5); | |
| 519 } | |
| 520 | |
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521 const TypeFunc *OptoRuntime::multianewarrayN_Type() { |
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522 // create input type (domain) |
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523 const Type **fields = TypeTuple::fields(2); |
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524 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass |
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525 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes |
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526 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); |
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527 |
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528 // create result type (range) |
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529 fields = TypeTuple::fields(1); |
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530 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop |
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531 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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532 |
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533 return TypeFunc::make(domain, range); |
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534 } |
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535 |
| 342 | 536 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { |
| 537 const Type **fields = TypeTuple::fields(2); | |
| 538 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value | |
| 539 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 540 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 541 | |
| 542 // create result type (range) | |
| 543 fields = TypeTuple::fields(0); | |
| 544 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 545 | |
| 546 return TypeFunc::make(domain, range); | |
| 547 } | |
| 548 | |
| 549 const TypeFunc *OptoRuntime::g1_wb_post_Type() { | |
| 550 | |
| 551 const Type **fields = TypeTuple::fields(2); | |
| 552 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr | |
| 553 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 554 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 555 | |
| 556 // create result type (range) | |
| 557 fields = TypeTuple::fields(0); | |
| 558 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 559 | |
| 560 return TypeFunc::make(domain, range); | |
| 561 } | |
| 562 | |
| 0 | 563 const TypeFunc *OptoRuntime::uncommon_trap_Type() { |
| 564 // create input type (domain) | |
| 565 const Type **fields = TypeTuple::fields(1); | |
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566 // Symbol* name of class to be loaded |
| 0 | 567 fields[TypeFunc::Parms+0] = TypeInt::INT; |
| 568 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 569 | |
| 570 // create result type (range) | |
| 571 fields = TypeTuple::fields(0); | |
| 572 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 573 | |
| 574 return TypeFunc::make(domain, range); | |
| 575 } | |
| 576 | |
| 577 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 578 // Type used for stub generation for zap_dead_locals. | |
| 579 // No inputs or outputs | |
| 580 const TypeFunc *OptoRuntime::zap_dead_locals_Type() { | |
| 581 // create input type (domain) | |
| 582 const Type **fields = TypeTuple::fields(0); | |
| 583 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields); | |
| 584 | |
| 585 // create result type (range) | |
| 586 fields = TypeTuple::fields(0); | |
| 587 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields); | |
| 588 | |
| 589 return TypeFunc::make(domain,range); | |
| 590 } | |
| 591 # endif | |
| 592 | |
| 593 | |
| 594 //----------------------------------------------------------------------------- | |
| 595 // Monitor Handling | |
| 596 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { | |
| 597 // create input type (domain) | |
| 598 const Type **fields = TypeTuple::fields(2); | |
| 599 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 600 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 601 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 602 | |
| 603 // create result type (range) | |
| 604 fields = TypeTuple::fields(0); | |
| 605 | |
| 606 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 607 | |
| 608 return TypeFunc::make(domain,range); | |
| 609 } | |
| 610 | |
| 611 | |
| 612 //----------------------------------------------------------------------------- | |
| 613 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { | |
| 614 // create input type (domain) | |
| 615 const Type **fields = TypeTuple::fields(2); | |
| 616 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 617 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 618 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 619 | |
| 620 // create result type (range) | |
| 621 fields = TypeTuple::fields(0); | |
| 622 | |
| 623 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 624 | |
| 625 return TypeFunc::make(domain,range); | |
| 626 } | |
| 627 | |
| 628 const TypeFunc* OptoRuntime::flush_windows_Type() { | |
| 629 // create input type (domain) | |
| 630 const Type** fields = TypeTuple::fields(1); | |
| 631 fields[TypeFunc::Parms+0] = NULL; // void | |
| 632 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); | |
| 633 | |
| 634 // create result type | |
| 635 fields = TypeTuple::fields(1); | |
| 636 fields[TypeFunc::Parms+0] = NULL; // void | |
| 637 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 638 | |
| 639 return TypeFunc::make(domain, range); | |
| 640 } | |
| 641 | |
| 642 const TypeFunc* OptoRuntime::l2f_Type() { | |
| 643 // create input type (domain) | |
| 644 const Type **fields = TypeTuple::fields(2); | |
| 645 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 646 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 647 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 648 | |
| 649 // create result type (range) | |
| 650 fields = TypeTuple::fields(1); | |
| 651 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 652 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 653 | |
| 654 return TypeFunc::make(domain, range); | |
| 655 } | |
| 656 | |
| 657 const TypeFunc* OptoRuntime::modf_Type() { | |
| 658 const Type **fields = TypeTuple::fields(2); | |
| 659 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 660 fields[TypeFunc::Parms+1] = Type::FLOAT; | |
| 661 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 662 | |
| 663 // create result type (range) | |
| 664 fields = TypeTuple::fields(1); | |
| 665 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 666 | |
| 667 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 668 | |
| 669 return TypeFunc::make(domain, range); | |
| 670 } | |
| 671 | |
| 672 const TypeFunc *OptoRuntime::Math_D_D_Type() { | |
| 673 // create input type (domain) | |
| 674 const Type **fields = TypeTuple::fields(2); | |
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675 // Symbol* name of class to be loaded |
| 0 | 676 fields[TypeFunc::Parms+0] = Type::DOUBLE; |
| 677 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 678 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 679 | |
| 680 // create result type (range) | |
| 681 fields = TypeTuple::fields(2); | |
| 682 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 683 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 684 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 685 | |
| 686 return TypeFunc::make(domain, range); | |
| 687 } | |
| 688 | |
| 689 const TypeFunc* OptoRuntime::Math_DD_D_Type() { | |
| 690 const Type **fields = TypeTuple::fields(4); | |
| 691 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 692 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 693 fields[TypeFunc::Parms+2] = Type::DOUBLE; | |
| 694 fields[TypeFunc::Parms+3] = Type::HALF; | |
| 695 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields); | |
| 696 | |
| 697 // create result type (range) | |
| 698 fields = TypeTuple::fields(2); | |
| 699 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 700 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 701 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 702 | |
| 703 return TypeFunc::make(domain, range); | |
| 704 } | |
| 705 | |
|
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706 //-------------- currentTimeMillis, currentTimeNanos, etc |
| 0 | 707 |
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708 const TypeFunc* OptoRuntime::void_long_Type() { |
| 0 | 709 // create input type (domain) |
| 710 const Type **fields = TypeTuple::fields(0); | |
| 711 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 712 | |
| 713 // create result type (range) | |
| 714 fields = TypeTuple::fields(2); | |
| 715 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 716 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 717 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 718 | |
| 719 return TypeFunc::make(domain, range); | |
| 720 } | |
| 721 | |
| 722 // arraycopy stub variations: | |
| 723 enum ArrayCopyType { | |
| 724 ac_fast, // void(ptr, ptr, size_t) | |
| 725 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) | |
| 726 ac_slow, // void(ptr, int, ptr, int, int) | |
| 727 ac_generic // int(ptr, int, ptr, int, int) | |
| 728 }; | |
| 729 | |
| 730 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { | |
| 731 // create input type (domain) | |
| 732 int num_args = (act == ac_fast ? 3 : 5); | |
| 733 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); | |
| 734 int argcnt = num_args; | |
| 735 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths | |
| 736 const Type** fields = TypeTuple::fields(argcnt); | |
| 737 int argp = TypeFunc::Parms; | |
| 738 fields[argp++] = TypePtr::NOTNULL; // src | |
| 739 if (num_size_args == 0) { | |
| 740 fields[argp++] = TypeInt::INT; // src_pos | |
| 741 } | |
| 742 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 743 if (num_size_args == 0) { | |
| 744 fields[argp++] = TypeInt::INT; // dest_pos | |
| 745 fields[argp++] = TypeInt::INT; // length | |
| 746 } | |
| 747 while (num_size_args-- > 0) { | |
| 748 fields[argp++] = TypeX_X; // size in whatevers (size_t) | |
| 749 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length | |
| 750 } | |
| 751 if (act == ac_checkcast) { | |
| 752 fields[argp++] = TypePtr::NOTNULL; // super_klass | |
| 753 } | |
| 754 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); | |
| 755 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 756 | |
| 757 // create result type if needed | |
| 758 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); | |
| 759 fields = TypeTuple::fields(1); | |
| 760 if (retcnt == 0) | |
| 761 fields[TypeFunc::Parms+0] = NULL; // void | |
| 762 else | |
| 763 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed | |
| 764 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); | |
| 765 return TypeFunc::make(domain, range); | |
| 766 } | |
| 767 | |
| 768 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { | |
| 769 // This signature is simple: Two base pointers and a size_t. | |
| 770 return make_arraycopy_Type(ac_fast); | |
| 771 } | |
| 772 | |
| 773 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { | |
| 774 // An extension of fast_arraycopy_Type which adds type checking. | |
| 775 return make_arraycopy_Type(ac_checkcast); | |
| 776 } | |
| 777 | |
| 778 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { | |
| 779 // This signature is exactly the same as System.arraycopy. | |
| 780 // There are no intptr_t (int/long) arguments. | |
| 781 return make_arraycopy_Type(ac_slow); | |
| 782 } | |
| 783 | |
| 784 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { | |
| 785 // This signature is like System.arraycopy, except that it returns status. | |
| 786 return make_arraycopy_Type(ac_generic); | |
| 787 } | |
| 788 | |
| 789 | |
| 1763 | 790 const TypeFunc* OptoRuntime::array_fill_Type() { |
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791 const Type** fields; |
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792 int argp = TypeFunc::Parms; |
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793 if (CCallingConventionRequiresIntsAsLongs) { |
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794 // create input type (domain): pointer, int, size_t |
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795 fields = TypeTuple::fields(3 LP64_ONLY( + 2)); |
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796 fields[argp++] = TypePtr::NOTNULL; |
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797 fields[argp++] = TypeLong::LONG; |
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798 fields[argp++] = Type::HALF; |
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799 } else { |
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800 // create input type (domain): pointer, int, size_t |
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801 fields = TypeTuple::fields(3 LP64_ONLY( + 1)); |
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802 fields[argp++] = TypePtr::NOTNULL; |
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803 fields[argp++] = TypeInt::INT; |
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804 } |
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805 fields[argp++] = TypeX_X; // size in whatevers (size_t) |
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806 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length |
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807 const TypeTuple *domain = TypeTuple::make(argp, fields); |
| 1763 | 808 |
| 809 // create result type | |
| 810 fields = TypeTuple::fields(1); | |
| 811 fields[TypeFunc::Parms+0] = NULL; // void | |
| 812 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 813 | |
| 814 return TypeFunc::make(domain, range); | |
| 815 } | |
| 816 | |
| 6894 | 817 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant) |
| 818 const TypeFunc* OptoRuntime::aescrypt_block_Type() { | |
| 819 // create input type (domain) | |
| 820 int num_args = 3; | |
| 17670 | 821 if (Matcher::pass_original_key_for_aes()) { |
| 822 num_args = 4; | |
| 823 } | |
| 6894 | 824 int argcnt = num_args; |
| 825 const Type** fields = TypeTuple::fields(argcnt); | |
| 826 int argp = TypeFunc::Parms; | |
| 827 fields[argp++] = TypePtr::NOTNULL; // src | |
| 828 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 829 fields[argp++] = TypePtr::NOTNULL; // k array | |
| 17670 | 830 if (Matcher::pass_original_key_for_aes()) { |
| 831 fields[argp++] = TypePtr::NOTNULL; // original k array | |
| 832 } | |
| 6894 | 833 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
| 834 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 835 | |
| 836 // no result type needed | |
| 837 fields = TypeTuple::fields(1); | |
| 838 fields[TypeFunc::Parms+0] = NULL; // void | |
| 839 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 840 return TypeFunc::make(domain, range); | |
| 841 } | |
| 842 | |
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843 /** |
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844 * int updateBytesCRC32(int crc, byte* b, int len) |
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845 */ |
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846 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() { |
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847 // create input type (domain) |
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848 int num_args = 3; |
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849 int argcnt = num_args; |
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850 const Type** fields = TypeTuple::fields(argcnt); |
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851 int argp = TypeFunc::Parms; |
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852 fields[argp++] = TypeInt::INT; // crc |
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853 fields[argp++] = TypePtr::NOTNULL; // src |
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854 fields[argp++] = TypeInt::INT; // len |
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855 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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856 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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857 |
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858 // result type needed |
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859 fields = TypeTuple::fields(1); |
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860 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result |
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861 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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862 return TypeFunc::make(domain, range); |
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863 } |
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864 |
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865 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int |
| 6894 | 866 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { |
| 867 // create input type (domain) | |
| 868 int num_args = 5; | |
| 17670 | 869 if (Matcher::pass_original_key_for_aes()) { |
| 870 num_args = 6; | |
| 871 } | |
| 6894 | 872 int argcnt = num_args; |
| 873 const Type** fields = TypeTuple::fields(argcnt); | |
| 874 int argp = TypeFunc::Parms; | |
| 875 fields[argp++] = TypePtr::NOTNULL; // src | |
| 876 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 877 fields[argp++] = TypePtr::NOTNULL; // k array | |
| 878 fields[argp++] = TypePtr::NOTNULL; // r array | |
| 879 fields[argp++] = TypeInt::INT; // src len | |
| 17670 | 880 if (Matcher::pass_original_key_for_aes()) { |
| 881 fields[argp++] = TypePtr::NOTNULL; // original k array | |
| 882 } | |
| 6894 | 883 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
| 884 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 885 | |
| 17670 | 886 // returning cipher len (int) |
| 6894 | 887 fields = TypeTuple::fields(1); |
| 17670 | 888 fields[TypeFunc::Parms+0] = TypeInt::INT; |
| 889 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 6894 | 890 return TypeFunc::make(domain, range); |
| 891 } | |
| 892 | |
|
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893 /* |
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894 * void implCompress(byte[] buf, int ofs) |
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895 */ |
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896 const TypeFunc* OptoRuntime::sha_implCompress_Type() { |
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897 // create input type (domain) |
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898 int num_args = 2; |
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899 int argcnt = num_args; |
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900 const Type** fields = TypeTuple::fields(argcnt); |
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901 int argp = TypeFunc::Parms; |
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902 fields[argp++] = TypePtr::NOTNULL; // buf |
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903 fields[argp++] = TypePtr::NOTNULL; // state |
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904 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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905 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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906 |
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907 // no result type needed |
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908 fields = TypeTuple::fields(1); |
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909 fields[TypeFunc::Parms+0] = NULL; // void |
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910 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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911 return TypeFunc::make(domain, range); |
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912 } |
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913 |
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914 /* |
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915 * int implCompressMultiBlock(byte[] b, int ofs, int limit) |
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916 */ |
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917 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type() { |
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918 // create input type (domain) |
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919 int num_args = 4; |
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920 int argcnt = num_args; |
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921 const Type** fields = TypeTuple::fields(argcnt); |
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922 int argp = TypeFunc::Parms; |
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923 fields[argp++] = TypePtr::NOTNULL; // buf |
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924 fields[argp++] = TypePtr::NOTNULL; // state |
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925 fields[argp++] = TypeInt::INT; // ofs |
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926 fields[argp++] = TypeInt::INT; // limit |
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927 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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928 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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929 |
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930 // returning ofs (int) |
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931 fields = TypeTuple::fields(1); |
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932 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs |
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933 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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934 return TypeFunc::make(domain, range); |
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935 } |
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936 |
|
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937 const TypeFunc* OptoRuntime::multiplyToLen_Type() { |
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938 // create input type (domain) |
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939 int num_args = 6; |
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940 int argcnt = num_args; |
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941 const Type** fields = TypeTuple::fields(argcnt); |
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942 int argp = TypeFunc::Parms; |
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943 fields[argp++] = TypePtr::NOTNULL; // x |
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944 fields[argp++] = TypeInt::INT; // xlen |
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945 fields[argp++] = TypePtr::NOTNULL; // y |
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946 fields[argp++] = TypeInt::INT; // ylen |
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947 fields[argp++] = TypePtr::NOTNULL; // z |
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948 fields[argp++] = TypeInt::INT; // zlen |
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949 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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950 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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951 |
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952 // no result type needed |
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953 fields = TypeTuple::fields(1); |
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954 fields[TypeFunc::Parms+0] = NULL; |
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955 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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956 return TypeFunc::make(domain, range); |
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957 } |
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958 |
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959 |
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960 |
| 0 | 961 //------------- Interpreter state access for on stack replacement |
| 962 const TypeFunc* OptoRuntime::osr_end_Type() { | |
| 963 // create input type (domain) | |
| 964 const Type **fields = TypeTuple::fields(1); | |
| 965 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf | |
| 966 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 967 | |
| 968 // create result type | |
| 969 fields = TypeTuple::fields(1); | |
| 970 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop | |
| 971 fields[TypeFunc::Parms+0] = NULL; // void | |
| 972 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 973 return TypeFunc::make(domain, range); | |
| 974 } | |
| 975 | |
| 976 //-------------- methodData update helpers | |
| 977 | |
| 978 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { | |
| 979 // create input type (domain) | |
| 980 const Type **fields = TypeTuple::fields(2); | |
| 981 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer | |
| 982 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop | |
| 983 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 984 | |
| 985 // create result type | |
| 986 fields = TypeTuple::fields(1); | |
| 987 fields[TypeFunc::Parms+0] = NULL; // void | |
| 988 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 989 return TypeFunc::make(domain,range); | |
| 990 } | |
| 991 | |
| 992 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) | |
| 993 if (receiver == NULL) return; | |
|
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994 Klass* receiver_klass = receiver->klass(); |
| 0 | 995 |
| 996 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); | |
| 997 int empty_row = -1; // free row, if any is encountered | |
| 998 | |
| 999 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); | |
| 1000 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { | |
| 1001 // if (vc->receiver(row) == receiver_klass) | |
| 1002 int receiver_off = ReceiverTypeData::receiver_cell_index(row); | |
| 1003 intptr_t row_recv = *(mdp + receiver_off); | |
| 1004 if (row_recv == (intptr_t) receiver_klass) { | |
| 1005 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); | |
| 1006 int count_off = ReceiverTypeData::receiver_count_cell_index(row); | |
| 1007 *(mdp + count_off) += DataLayout::counter_increment; | |
| 1008 return; | |
| 1009 } else if (row_recv == 0) { | |
| 1010 // else if (vc->receiver(row) == NULL) | |
| 1011 empty_row = (int) row; | |
| 1012 } | |
| 1013 } | |
| 1014 | |
| 1015 if (empty_row != -1) { | |
| 1016 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); | |
| 1017 // vc->set_receiver(empty_row, receiver_klass); | |
| 1018 *(mdp + receiver_off) = (intptr_t) receiver_klass; | |
| 1019 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); | |
| 1020 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); | |
| 1021 *(mdp + count_off) = DataLayout::counter_increment; | |
|
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1022 } else { |
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1023 // Receiver did not match any saved receiver and there is no empty row for it. |
|
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1024 // Increment total counter to indicate polymorphic case. |
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1025 intptr_t* count_p = (intptr_t*)(((byte*)(data)) + in_bytes(CounterData::count_offset())); |
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1026 *count_p += DataLayout::counter_increment; |
| 0 | 1027 } |
| 1028 JRT_END | |
| 1029 | |
| 1030 //------------------------------------------------------------------------------------- | |
| 1031 // register policy | |
| 1032 | |
| 1033 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { | |
| 1034 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); | |
| 1035 switch (register_save_policy[reg]) { | |
| 1036 case 'C': return false; //SOC | |
| 1037 case 'E': return true ; //SOE | |
| 1038 case 'N': return false; //NS | |
| 1039 case 'A': return false; //AS | |
| 1040 } | |
| 1041 ShouldNotReachHere(); | |
| 1042 return false; | |
| 1043 } | |
| 1044 | |
| 1045 //----------------------------------------------------------------------- | |
| 1046 // Exceptions | |
| 1047 // | |
| 1048 | |
| 1049 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; | |
| 1050 | |
| 1051 // The method is an entry that is always called by a C++ method not | |
| 1052 // directly from compiled code. Compiled code will call the C++ method following. | |
| 1053 // We can't allow async exception to be installed during exception processing. | |
| 1054 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) | |
| 1055 | |
| 1056 // Do not confuse exception_oop with pending_exception. The exception_oop | |
| 1057 // is only used to pass arguments into the method. Not for general | |
| 1058 // exception handling. DO NOT CHANGE IT to use pending_exception, since | |
| 1059 // the runtime stubs checks this on exit. | |
| 1060 assert(thread->exception_oop() != NULL, "exception oop is found"); | |
| 1061 address handler_address = NULL; | |
| 1062 | |
| 1063 Handle exception(thread, thread->exception_oop()); | |
|
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1064 address pc = thread->exception_pc(); |
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1065 |
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1066 // Clear out the exception oop and pc since looking up an |
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1067 // exception handler can cause class loading, which might throw an |
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1068 // exception and those fields are expected to be clear during |
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1069 // normal bytecode execution. |
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1070 thread->clear_exception_oop_and_pc(); |
| 0 | 1071 |
| 1072 if (TraceExceptions) { | |
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1073 trace_exception(exception(), pc, ""); |
| 0 | 1074 } |
|
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1075 |
| 0 | 1076 // for AbortVMOnException flag |
| 1077 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 1078 | |
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1079 #ifdef ASSERT |
|
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1080 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
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1081 // should throw an exception here |
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1082 ShouldNotReachHere(); |
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1083 } |
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1084 #endif |
| 0 | 1085 |
| 1086 // new exception handling: this method is entered only from adapters | |
| 1087 // exceptions from compiled java methods are handled in compiled code | |
| 1088 // using rethrow node | |
| 1089 | |
| 1090 nm = CodeCache::find_nmethod(pc); | |
| 1091 assert(nm != NULL, "No NMethod found"); | |
| 1092 if (nm->is_native_method()) { | |
|
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1093 fatal("Native method should not have path to exception handling"); |
| 0 | 1094 } else { |
| 1095 // we are switching to old paradigm: search for exception handler in caller_frame | |
| 1096 // instead in exception handler of caller_frame.sender() | |
| 1097 | |
|
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1098 if (JvmtiExport::can_post_on_exceptions()) { |
| 0 | 1099 // "Full-speed catching" is not necessary here, |
| 1100 // since we're notifying the VM on every catch. | |
| 1101 // Force deoptimization and the rest of the lookup | |
| 1102 // will be fine. | |
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1103 deoptimize_caller_frame(thread); |
| 0 | 1104 } |
| 1105 | |
| 1106 // Check the stack guard pages. If enabled, look for handler in this frame; | |
| 1107 // otherwise, forcibly unwind the frame. | |
| 1108 // | |
| 1109 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. | |
| 1110 bool force_unwind = !thread->reguard_stack(); | |
| 1111 bool deopting = false; | |
| 1112 if (nm->is_deopt_pc(pc)) { | |
| 1113 deopting = true; | |
| 1114 RegisterMap map(thread, false); | |
| 1115 frame deoptee = thread->last_frame().sender(&map); | |
| 1116 assert(deoptee.is_deoptimized_frame(), "must be deopted"); | |
| 1117 // Adjust the pc back to the original throwing pc | |
| 1118 pc = deoptee.pc(); | |
| 1119 } | |
| 1120 | |
| 1121 // If we are forcing an unwind because of stack overflow then deopt is | |
| 14391 | 1122 // irrelevant since we are throwing the frame away anyway. |
| 0 | 1123 |
| 1124 if (deopting && !force_unwind) { | |
| 1125 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 1126 } else { | |
| 1127 | |
| 1128 handler_address = | |
| 1129 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); | |
| 1130 | |
| 1131 if (handler_address == NULL) { | |
|
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1132 Handle original_exception(thread, exception()); |
| 0 | 1133 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true); |
| 1134 assert (handler_address != NULL, "must have compiled handler"); | |
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1135 // Update the exception cache only when the unwind was not forced |
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1136 // and there didn't happen another exception during the computation of the |
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1137 // compiled exception handler. |
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1138 if (!force_unwind && original_exception() == exception()) { |
| 0 | 1139 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); |
| 1140 } | |
| 1141 } else { | |
| 1142 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same"); | |
| 1143 } | |
| 1144 } | |
| 1145 | |
| 1146 thread->set_exception_pc(pc); | |
| 1147 thread->set_exception_handler_pc(handler_address); | |
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1148 |
| 1295 | 1149 // Check if the exception PC is a MethodHandle call site. |
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1150 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
| 0 | 1151 } |
| 1152 | |
| 1153 // Restore correct return pc. Was saved above. | |
| 1154 thread->set_exception_oop(exception()); | |
| 1155 return handler_address; | |
| 1156 | |
| 1157 JRT_END | |
| 1158 | |
| 1159 // We are entering here from exception_blob | |
| 1160 // If there is a compiled exception handler in this method, we will continue there; | |
| 1161 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 1162 // Note we enter without the usual JRT wrapper. We will call a helper routine that | |
| 1163 // will do the normal VM entry. We do it this way so that we can see if the nmethod | |
| 1164 // we looked up the handler for has been deoptimized in the meantime. If it has been | |
| 14391 | 1165 // we must not use the handler and instead return the deopt blob. |
| 0 | 1166 address OptoRuntime::handle_exception_C(JavaThread* thread) { |
| 1167 // | |
| 1168 // We are in Java not VM and in debug mode we have a NoHandleMark | |
| 1169 // | |
| 1170 #ifndef PRODUCT | |
| 1171 SharedRuntime::_find_handler_ctr++; // find exception handler | |
| 1172 #endif | |
| 1173 debug_only(NoHandleMark __hm;) | |
| 1174 nmethod* nm = NULL; | |
| 1175 address handler_address = NULL; | |
| 1176 { | |
| 1177 // Enter the VM | |
| 1178 | |
| 1179 ResetNoHandleMark rnhm; | |
| 1180 handler_address = handle_exception_C_helper(thread, nm); | |
| 1181 } | |
| 1182 | |
| 1183 // Back in java: Use no oops, DON'T safepoint | |
| 1184 | |
| 1185 // Now check to see if the handler we are returning is in a now | |
| 1186 // deoptimized frame | |
| 1187 | |
| 1188 if (nm != NULL) { | |
| 1189 RegisterMap map(thread, false); | |
| 1190 frame caller = thread->last_frame().sender(&map); | |
| 1191 #ifdef ASSERT | |
| 1192 assert(caller.is_compiled_frame(), "must be"); | |
| 1193 #endif // ASSERT | |
| 1194 if (caller.is_deoptimized_frame()) { | |
| 1195 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 1196 } | |
| 1197 } | |
| 1198 return handler_address; | |
| 1199 } | |
| 1200 | |
| 1201 //------------------------------rethrow---------------------------------------- | |
| 1202 // We get here after compiled code has executed a 'RethrowNode'. The callee | |
| 1203 // is either throwing or rethrowing an exception. The callee-save registers | |
| 1204 // have been restored, synchronized objects have been unlocked and the callee | |
| 1205 // stack frame has been removed. The return address was passed in. | |
| 1206 // Exception oop is passed as the 1st argument. This routine is then called | |
| 1207 // from the stub. On exit, we know where to jump in the caller's code. | |
| 1208 // After this C code exits, the stub will pop his frame and end in a jump | |
| 1209 // (instead of a return). We enter the caller's default handler. | |
| 1210 // | |
| 1211 // This must be JRT_LEAF: | |
| 1212 // - caller will not change its state as we cannot block on exit, | |
| 1213 // therefore raw_exception_handler_for_return_address is all it takes | |
| 1214 // to handle deoptimized blobs | |
| 1215 // | |
| 1216 // However, there needs to be a safepoint check in the middle! So compiled | |
| 1217 // safepoints are completely watertight. | |
| 1218 // | |
| 1219 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. | |
| 1220 // | |
| 1221 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* | |
| 1222 // | |
| 1223 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { | |
| 1224 #ifndef PRODUCT | |
| 1225 SharedRuntime::_rethrow_ctr++; // count rethrows | |
| 1226 #endif | |
| 1227 assert (exception != NULL, "should have thrown a NULLPointerException"); | |
| 1228 #ifdef ASSERT | |
| 1142 | 1229 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
| 0 | 1230 // should throw an exception here |
| 1231 ShouldNotReachHere(); | |
| 1232 } | |
| 1233 #endif | |
| 1234 | |
| 1235 thread->set_vm_result(exception); | |
| 1236 // Frame not compiled (handles deoptimization blob) | |
| 1295 | 1237 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); |
| 0 | 1238 } |
| 1239 | |
| 1240 | |
| 1241 const TypeFunc *OptoRuntime::rethrow_Type() { | |
| 1242 // create input type (domain) | |
| 1243 const Type **fields = TypeTuple::fields(1); | |
| 1244 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 1245 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1246 | |
| 1247 // create result type (range) | |
| 1248 fields = TypeTuple::fields(1); | |
| 1249 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 1250 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 1251 | |
| 1252 return TypeFunc::make(domain, range); | |
| 1253 } | |
| 1254 | |
| 1255 | |
| 1256 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { | |
|
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1257 // Deoptimize the caller before continuing, as the compiled |
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1258 // exception handler table may not be valid. |
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1259 if (!StressCompiledExceptionHandlers && doit) { |
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1260 deoptimize_caller_frame(thread); |
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1261 } |
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1262 } |
| 0 | 1263 |
|
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1264 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) { |
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1265 // Called from within the owner thread, so no need for safepoint |
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1266 RegisterMap reg_map(thread); |
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1267 frame stub_frame = thread->last_frame(); |
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1268 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
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1269 frame caller_frame = stub_frame.sender(®_map); |
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1270 |
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1271 // Deoptimize the caller frame. |
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1272 Deoptimization::deoptimize_frame(thread, caller_frame.id()); |
| 0 | 1273 } |
| 1274 | |
| 1275 | |
|
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1276 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { |
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1277 // Called from within the owner thread, so no need for safepoint |
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1278 RegisterMap reg_map(thread); |
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1279 frame stub_frame = thread->last_frame(); |
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1280 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
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1281 frame caller_frame = stub_frame.sender(®_map); |
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1282 return caller_frame.is_deoptimized_frame(); |
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1283 } |
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1284 |
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1285 |
| 0 | 1286 const TypeFunc *OptoRuntime::register_finalizer_Type() { |
| 1287 // create input type (domain) | |
| 1288 const Type **fields = TypeTuple::fields(1); | |
| 1289 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver | |
| 1290 // // The JavaThread* is passed to each routine as the last argument | |
| 1291 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread | |
| 1292 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1293 | |
| 1294 // create result type (range) | |
| 1295 fields = TypeTuple::fields(0); | |
| 1296 | |
| 1297 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1298 | |
| 1299 return TypeFunc::make(domain,range); | |
| 1300 } | |
| 1301 | |
| 1302 | |
| 1303 //----------------------------------------------------------------------------- | |
| 1304 // Dtrace support. entry and exit probes have the same signature | |
| 1305 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { | |
| 1306 // create input type (domain) | |
| 1307 const Type **fields = TypeTuple::fields(2); | |
| 1308 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
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1309 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering |
| 0 | 1310 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); |
| 1311 | |
| 1312 // create result type (range) | |
| 1313 fields = TypeTuple::fields(0); | |
| 1314 | |
| 1315 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1316 | |
| 1317 return TypeFunc::make(domain,range); | |
| 1318 } | |
| 1319 | |
| 1320 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { | |
| 1321 // create input type (domain) | |
| 1322 const Type **fields = TypeTuple::fields(2); | |
| 1323 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
| 1324 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object | |
| 1325 | |
| 1326 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 1327 | |
| 1328 // create result type (range) | |
| 1329 fields = TypeTuple::fields(0); | |
| 1330 | |
| 1331 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1332 | |
| 1333 return TypeFunc::make(domain,range); | |
| 1334 } | |
| 1335 | |
| 1336 | |
| 1337 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) | |
| 1338 assert(obj->is_oop(), "must be a valid oop"); | |
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1339 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
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1340 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
| 0 | 1341 JRT_END |
| 1342 | |
| 1343 //----------------------------------------------------------------------------- | |
| 1344 | |
| 1345 NamedCounter * volatile OptoRuntime::_named_counters = NULL; | |
| 1346 | |
| 1347 // | |
| 1348 // dump the collected NamedCounters. | |
| 1349 // | |
| 1350 void OptoRuntime::print_named_counters() { | |
| 1351 int total_lock_count = 0; | |
| 1352 int eliminated_lock_count = 0; | |
| 1353 | |
| 1354 NamedCounter* c = _named_counters; | |
| 1355 while (c) { | |
| 1356 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { | |
| 1357 int count = c->count(); | |
| 1358 if (count > 0) { | |
| 1359 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; | |
| 1360 if (Verbose) { | |
| 1361 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); | |
| 1362 } | |
| 1363 total_lock_count += count; | |
| 1364 if (eliminated) { | |
| 1365 eliminated_lock_count += count; | |
| 1366 } | |
| 1367 } | |
| 1368 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { | |
| 1369 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); | |
| 1370 if (blc->nonzero()) { | |
| 1371 tty->print_cr("%s", c->name()); | |
| 1372 blc->print_on(tty); | |
| 1373 } | |
| 17780 | 1374 #if INCLUDE_RTM_OPT |
| 1375 } else if (c->tag() == NamedCounter::RTMLockingCounter) { | |
| 1376 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters(); | |
| 1377 if (rlc->nonzero()) { | |
| 1378 tty->print_cr("%s", c->name()); | |
| 1379 rlc->print_on(tty); | |
| 1380 } | |
| 1381 #endif | |
| 0 | 1382 } |
| 1383 c = c->next(); | |
| 1384 } | |
| 1385 if (total_lock_count > 0) { | |
| 1386 tty->print_cr("dynamic locks: %d", total_lock_count); | |
| 1387 if (eliminated_lock_count) { | |
| 1388 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, | |
| 1389 (int)(eliminated_lock_count * 100.0 / total_lock_count)); | |
| 1390 } | |
| 1391 } | |
| 1392 } | |
| 1393 | |
| 1394 // | |
| 1395 // Allocate a new NamedCounter. The JVMState is used to generate the | |
| 1396 // name which consists of method@line for the inlining tree. | |
| 1397 // | |
| 1398 | |
| 1399 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { | |
| 1400 int max_depth = youngest_jvms->depth(); | |
| 1401 | |
| 1402 // Visit scopes from youngest to oldest. | |
| 1403 bool first = true; | |
| 1404 stringStream st; | |
| 1405 for (int depth = max_depth; depth >= 1; depth--) { | |
| 1406 JVMState* jvms = youngest_jvms->of_depth(depth); | |
| 1407 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; | |
| 1408 if (!first) { | |
| 1409 st.print(" "); | |
| 1410 } else { | |
| 1411 first = false; | |
| 1412 } | |
| 1413 int bci = jvms->bci(); | |
| 1414 if (bci < 0) bci = 0; | |
| 1415 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); | |
| 1416 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) | |
| 1417 } | |
| 1418 NamedCounter* c; | |
| 1419 if (tag == NamedCounter::BiasedLockingCounter) { | |
| 1420 c = new BiasedLockingNamedCounter(strdup(st.as_string())); | |
| 17780 | 1421 } else if (tag == NamedCounter::RTMLockingCounter) { |
| 1422 c = new RTMLockingNamedCounter(strdup(st.as_string())); | |
| 0 | 1423 } else { |
| 1424 c = new NamedCounter(strdup(st.as_string()), tag); | |
| 1425 } | |
| 1426 | |
| 1427 // atomically add the new counter to the head of the list. We only | |
| 1428 // add counters so this is safe. | |
| 1429 NamedCounter* head; | |
| 1430 do { | |
| 17780 | 1431 c->set_next(NULL); |
| 0 | 1432 head = _named_counters; |
| 1433 c->set_next(head); | |
| 1434 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); | |
| 1435 return c; | |
| 1436 } | |
| 1437 | |
| 1438 //----------------------------------------------------------------------------- | |
| 1439 // Non-product code | |
| 1440 #ifndef PRODUCT | |
| 1441 | |
| 1442 int trace_exception_counter = 0; | |
| 1443 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { | |
| 1444 ttyLocker ttyl; | |
| 1445 trace_exception_counter++; | |
| 1446 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); | |
| 1447 exception_oop->print_value(); | |
| 1448 tty->print(" in "); | |
| 1449 CodeBlob* blob = CodeCache::find_blob(exception_pc); | |
| 1450 if (blob->is_nmethod()) { | |
|
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1451 nmethod* nm = blob->as_nmethod_or_null(); |
|
8b80b262e501
8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
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1452 nm->method()->print_value(); |
| 0 | 1453 } else if (blob->is_runtime_stub()) { |
| 1454 tty->print("<runtime-stub>"); | |
| 1455 } else { | |
| 1456 tty->print("<unknown>"); | |
| 1457 } | |
|
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1458 tty->print(" at " INTPTR_FORMAT, p2i(exception_pc)); |
| 0 | 1459 tty->print_cr("]"); |
| 1460 } | |
| 1461 | |
| 1462 #endif // PRODUCT | |
| 1463 | |
| 1464 | |
| 1465 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 1466 // Called from call sites in compiled code with oop maps (actually safepoints) | |
| 1467 // Zaps dead locals in first java frame. | |
| 1468 // Is entry because may need to lock to generate oop maps | |
| 1469 // Currently, only used for compiler frames, but someday may be used | |
| 1470 // for interpreter frames, too. | |
| 1471 | |
| 1472 int OptoRuntime::ZapDeadCompiledLocals_count = 0; | |
| 1473 | |
| 1474 // avoid pointers to member funcs with these helpers | |
| 1475 static bool is_java_frame( frame* f) { return f->is_java_frame(); } | |
| 1476 static bool is_native_frame(frame* f) { return f->is_native_frame(); } | |
| 1477 | |
| 1478 | |
| 1479 void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread, | |
| 1480 bool (*is_this_the_right_frame_to_zap)(frame*)) { | |
| 1481 assert(JavaThread::current() == thread, "is this needed?"); | |
| 1482 | |
| 1483 if ( !ZapDeadCompiledLocals ) return; | |
| 1484 | |
| 1485 bool skip = false; | |
| 1486 | |
| 1487 if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special | |
| 1488 else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true; | |
| 1489 else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count ) | |
| 1490 warning("starting zapping after skipping"); | |
| 1491 | |
| 1492 if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special | |
| 1493 else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true; | |
| 1494 else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count ) | |
| 1495 warning("about to zap last zap"); | |
| 1496 | |
| 1497 ++ZapDeadCompiledLocals_count; // counts skipped zaps, too | |
| 1498 | |
| 1499 if ( skip ) return; | |
| 1500 | |
| 1501 // find java frame and zap it | |
| 1502 | |
| 1503 for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) { | |
| 1504 if (is_this_the_right_frame_to_zap(sfs.current()) ) { | |
| 1505 sfs.current()->zap_dead_locals(thread, sfs.register_map()); | |
| 1506 return; | |
| 1507 } | |
| 1508 } | |
| 1509 warning("no frame found to zap in zap_dead_Java_locals_C"); | |
| 1510 } | |
| 1511 | |
| 1512 JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread)) | |
| 1513 zap_dead_java_or_native_locals(thread, is_java_frame); | |
| 1514 JRT_END | |
| 1515 | |
| 1516 // The following does not work because for one thing, the | |
| 1517 // thread state is wrong; it expects java, but it is native. | |
| 605 | 1518 // Also, the invariants in a native stub are different and |
| 0 | 1519 // I'm not sure it is safe to have a MachCalRuntimeDirectNode |
| 1520 // in there. | |
| 1521 // So for now, we do not zap in native stubs. | |
| 1522 | |
| 1523 JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread)) | |
| 1524 zap_dead_java_or_native_locals(thread, is_native_frame); | |
| 1525 JRT_END | |
| 1526 | |
| 1527 # endif |