Mercurial > hg > graal-jvmci-8
annotate src/share/vm/opto/runtime.cpp @ 24145:2f2299c68571 jvmci-0.27
change default of UseJVMCICompiler based on jvmci.Compiler property (which can now be set from <java.home>/jre/lib/jvmci/compiler-name)
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 15 Jun 2017 21:38:21 +0200 |
parents | f13e777eb255 |
children | cc8d6f9d5db3 |
rev | line source |
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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(); |
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234 if (Klass::layout_helper_needs_slow_path(lh) || !InstanceKlass::cast(klass)->is_initialized()) { |
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235 Handle holder(THREAD, klass->klass_holder()); // keep the klass alive |
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236 klass->check_valid_for_instantiation(false, THREAD); |
0 | 237 if (!HAS_PENDING_EXCEPTION) { |
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238 InstanceKlass::cast(klass)->initialize(THREAD); |
0 | 239 } |
240 } | |
241 | |
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242 if (!HAS_PENDING_EXCEPTION) { |
0 | 243 // Scavenge and allocate an instance. |
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244 Handle holder(THREAD, klass->klass_holder()); // keep the klass alive |
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245 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD); |
0 | 246 thread->set_vm_result(result); |
247 | |
248 // Pass oops back through thread local storage. Our apparent type to Java | |
249 // is that we return an oop, but we can block on exit from this routine and | |
250 // a GC can trash the oop in C's return register. The generated stub will | |
251 // fetch the oop from TLS after any possible GC. | |
252 } | |
253 | |
254 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
255 JRT_BLOCK_END; | |
256 | |
257 if (GraphKit::use_ReduceInitialCardMarks()) { | |
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258 // inform GC that we won't do card marks for initializing writes. |
1166 | 259 new_store_pre_barrier(thread); |
0 | 260 } |
261 JRT_END | |
262 | |
263 | |
264 // array allocation | |
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265 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread)) |
0 | 266 JRT_BLOCK; |
267 #ifndef PRODUCT | |
268 SharedRuntime::_new_array_ctr++; // new array requires GC | |
269 #endif | |
270 assert(check_compiled_frame(thread), "incorrect caller"); | |
271 | |
272 // Scavenge and allocate an instance. | |
273 oop result; | |
274 | |
6983 | 275 if (array_type->oop_is_typeArray()) { |
0 | 276 // The oopFactory likes to work with the element type. |
277 // (We could bypass the oopFactory, since it doesn't add much value.) | |
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278 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
0 | 279 result = oopFactory::new_typeArray(elem_type, len, THREAD); |
280 } else { | |
281 // Although the oopFactory likes to work with the elem_type, | |
282 // the compiler prefers the array_type, since it must already have | |
283 // that latter value in hand for the fast path. | |
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284 Handle holder(THREAD, array_type->klass_holder()); // keep the array klass alive |
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285 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass(); |
0 | 286 result = oopFactory::new_objArray(elem_type, len, THREAD); |
287 } | |
288 | |
289 // Pass oops back through thread local storage. Our apparent type to Java | |
290 // is that we return an oop, but we can block on exit from this routine and | |
291 // a GC can trash the oop in C's return register. The generated stub will | |
292 // fetch the oop from TLS after any possible GC. | |
293 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
294 thread->set_vm_result(result); | |
295 JRT_BLOCK_END; | |
296 | |
297 if (GraphKit::use_ReduceInitialCardMarks()) { | |
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298 // inform GC that we won't do card marks for initializing writes. |
1166 | 299 new_store_pre_barrier(thread); |
0 | 300 } |
301 JRT_END | |
302 | |
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303 // array allocation without zeroing |
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304 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread)) |
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305 JRT_BLOCK; |
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306 #ifndef PRODUCT |
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307 SharedRuntime::_new_array_ctr++; // new array requires GC |
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308 #endif |
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309 assert(check_compiled_frame(thread), "incorrect caller"); |
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310 |
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311 // Scavenge and allocate an instance. |
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312 oop result; |
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313 |
6983 | 314 assert(array_type->oop_is_typeArray(), "should be called only for type array"); |
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315 // The oopFactory likes to work with the element type. |
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316 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
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317 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD); |
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318 |
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319 // Pass oops back through thread local storage. Our apparent type to Java |
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320 // is that we return an oop, but we can block on exit from this routine and |
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321 // a GC can trash the oop in C's return register. The generated stub will |
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322 // fetch the oop from TLS after any possible GC. |
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323 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
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324 thread->set_vm_result(result); |
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325 JRT_BLOCK_END; |
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326 |
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327 if (GraphKit::use_ReduceInitialCardMarks()) { |
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328 // inform GC that we won't do card marks for initializing writes. |
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329 new_store_pre_barrier(thread); |
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330 } |
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331 |
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332 oop result = thread->vm_result(); |
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333 if ((len > 0) && (result != NULL) && |
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334 is_deoptimized_caller_frame(thread)) { |
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335 // Zero array here if the caller is deoptimized. |
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336 int size = ((typeArrayOop)result)->object_size(); |
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337 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); |
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338 const size_t hs = arrayOopDesc::header_size(elem_type); |
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339 // Align to next 8 bytes to avoid trashing arrays's length. |
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340 const size_t aligned_hs = align_object_offset(hs); |
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341 HeapWord* obj = (HeapWord*)result; |
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342 if (aligned_hs > hs) { |
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343 Copy::zero_to_words(obj+hs, aligned_hs-hs); |
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344 } |
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345 // Optimized zeroing. |
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346 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs); |
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347 } |
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348 |
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349 JRT_END |
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350 |
0 | 351 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. |
352 | |
353 // multianewarray for 2 dimensions | |
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354 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread)) |
0 | 355 #ifndef PRODUCT |
356 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension | |
357 #endif | |
358 assert(check_compiled_frame(thread), "incorrect caller"); | |
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359 assert(elem_type->is_klass(), "not a class"); |
0 | 360 jint dims[2]; |
361 dims[0] = len1; | |
362 dims[1] = len2; | |
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363 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive |
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364 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); |
0 | 365 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
366 thread->set_vm_result(obj); | |
367 JRT_END | |
368 | |
369 // multianewarray for 3 dimensions | |
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370 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread)) |
0 | 371 #ifndef PRODUCT |
372 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension | |
373 #endif | |
374 assert(check_compiled_frame(thread), "incorrect caller"); | |
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375 assert(elem_type->is_klass(), "not a class"); |
0 | 376 jint dims[3]; |
377 dims[0] = len1; | |
378 dims[1] = len2; | |
379 dims[2] = len3; | |
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380 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive |
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381 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); |
0 | 382 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
383 thread->set_vm_result(obj); | |
384 JRT_END | |
385 | |
386 // multianewarray for 4 dimensions | |
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387 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) |
0 | 388 #ifndef PRODUCT |
389 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension | |
390 #endif | |
391 assert(check_compiled_frame(thread), "incorrect caller"); | |
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392 assert(elem_type->is_klass(), "not a class"); |
0 | 393 jint dims[4]; |
394 dims[0] = len1; | |
395 dims[1] = len2; | |
396 dims[2] = len3; | |
397 dims[3] = len4; | |
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398 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive |
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399 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); |
0 | 400 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
401 thread->set_vm_result(obj); | |
402 JRT_END | |
403 | |
404 // multianewarray for 5 dimensions | |
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405 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) |
0 | 406 #ifndef PRODUCT |
407 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension | |
408 #endif | |
409 assert(check_compiled_frame(thread), "incorrect caller"); | |
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410 assert(elem_type->is_klass(), "not a class"); |
0 | 411 jint dims[5]; |
412 dims[0] = len1; | |
413 dims[1] = len2; | |
414 dims[2] = len3; | |
415 dims[3] = len4; | |
416 dims[4] = len5; | |
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417 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive |
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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 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive |
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436 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD); |
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437 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); |
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438 thread->set_vm_result(obj); |
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439 JRT_END |
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440 |
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441 |
0 | 442 const TypeFunc *OptoRuntime::new_instance_Type() { |
443 // create input type (domain) | |
444 const Type **fields = TypeTuple::fields(1); | |
445 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
446 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
447 | |
448 // create result type (range) | |
449 fields = TypeTuple::fields(1); | |
450 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
451 | |
452 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
453 | |
454 return TypeFunc::make(domain, range); | |
455 } | |
456 | |
457 | |
458 const TypeFunc *OptoRuntime::athrow_Type() { | |
459 // create input type (domain) | |
460 const Type **fields = TypeTuple::fields(1); | |
461 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
462 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
463 | |
464 // create result type (range) | |
465 fields = TypeTuple::fields(0); | |
466 | |
467 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
468 | |
469 return TypeFunc::make(domain, range); | |
470 } | |
471 | |
472 | |
473 const TypeFunc *OptoRuntime::new_array_Type() { | |
474 // create input type (domain) | |
475 const Type **fields = TypeTuple::fields(2); | |
476 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
477 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size | |
478 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
479 | |
480 // create result type (range) | |
481 fields = TypeTuple::fields(1); | |
482 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
483 | |
484 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
485 | |
486 return TypeFunc::make(domain, range); | |
487 } | |
488 | |
489 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { | |
490 // create input type (domain) | |
491 const int nargs = ndim + 1; | |
492 const Type **fields = TypeTuple::fields(nargs); | |
493 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
494 for( int i = 1; i < nargs; i++ ) | |
495 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size | |
496 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); | |
497 | |
498 // create result type (range) | |
499 fields = TypeTuple::fields(1); | |
500 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
501 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
502 | |
503 return TypeFunc::make(domain, range); | |
504 } | |
505 | |
506 const TypeFunc *OptoRuntime::multianewarray2_Type() { | |
507 return multianewarray_Type(2); | |
508 } | |
509 | |
510 const TypeFunc *OptoRuntime::multianewarray3_Type() { | |
511 return multianewarray_Type(3); | |
512 } | |
513 | |
514 const TypeFunc *OptoRuntime::multianewarray4_Type() { | |
515 return multianewarray_Type(4); | |
516 } | |
517 | |
518 const TypeFunc *OptoRuntime::multianewarray5_Type() { | |
519 return multianewarray_Type(5); | |
520 } | |
521 | |
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522 const TypeFunc *OptoRuntime::multianewarrayN_Type() { |
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523 // create input type (domain) |
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524 const Type **fields = TypeTuple::fields(2); |
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525 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass |
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526 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes |
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527 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); |
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528 |
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529 // create result type (range) |
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530 fields = TypeTuple::fields(1); |
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531 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop |
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532 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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533 |
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534 return TypeFunc::make(domain, range); |
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535 } |
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536 |
342 | 537 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { |
538 const Type **fields = TypeTuple::fields(2); | |
539 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value | |
540 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
541 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
542 | |
543 // create result type (range) | |
544 fields = TypeTuple::fields(0); | |
545 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
546 | |
547 return TypeFunc::make(domain, range); | |
548 } | |
549 | |
550 const TypeFunc *OptoRuntime::g1_wb_post_Type() { | |
551 | |
552 const Type **fields = TypeTuple::fields(2); | |
553 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr | |
554 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
555 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
556 | |
557 // create result type (range) | |
558 fields = TypeTuple::fields(0); | |
559 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
560 | |
561 return TypeFunc::make(domain, range); | |
562 } | |
563 | |
0 | 564 const TypeFunc *OptoRuntime::uncommon_trap_Type() { |
565 // create input type (domain) | |
566 const Type **fields = TypeTuple::fields(1); | |
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567 // Symbol* name of class to be loaded |
0 | 568 fields[TypeFunc::Parms+0] = TypeInt::INT; |
569 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
570 | |
571 // create result type (range) | |
572 fields = TypeTuple::fields(0); | |
573 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
574 | |
575 return TypeFunc::make(domain, range); | |
576 } | |
577 | |
578 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
579 // Type used for stub generation for zap_dead_locals. | |
580 // No inputs or outputs | |
581 const TypeFunc *OptoRuntime::zap_dead_locals_Type() { | |
582 // create input type (domain) | |
583 const Type **fields = TypeTuple::fields(0); | |
584 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields); | |
585 | |
586 // create result type (range) | |
587 fields = TypeTuple::fields(0); | |
588 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields); | |
589 | |
590 return TypeFunc::make(domain,range); | |
591 } | |
592 # endif | |
593 | |
594 | |
595 //----------------------------------------------------------------------------- | |
596 // Monitor Handling | |
597 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { | |
598 // create input type (domain) | |
599 const Type **fields = TypeTuple::fields(2); | |
600 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
601 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
602 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
603 | |
604 // create result type (range) | |
605 fields = TypeTuple::fields(0); | |
606 | |
607 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
608 | |
609 return TypeFunc::make(domain,range); | |
610 } | |
611 | |
612 | |
613 //----------------------------------------------------------------------------- | |
614 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { | |
615 // create input type (domain) | |
616 const Type **fields = TypeTuple::fields(2); | |
617 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
618 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
619 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
620 | |
621 // create result type (range) | |
622 fields = TypeTuple::fields(0); | |
623 | |
624 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
625 | |
626 return TypeFunc::make(domain,range); | |
627 } | |
628 | |
629 const TypeFunc* OptoRuntime::flush_windows_Type() { | |
630 // create input type (domain) | |
631 const Type** fields = TypeTuple::fields(1); | |
632 fields[TypeFunc::Parms+0] = NULL; // void | |
633 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); | |
634 | |
635 // create result type | |
636 fields = TypeTuple::fields(1); | |
637 fields[TypeFunc::Parms+0] = NULL; // void | |
638 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
639 | |
640 return TypeFunc::make(domain, range); | |
641 } | |
642 | |
643 const TypeFunc* OptoRuntime::l2f_Type() { | |
644 // create input type (domain) | |
645 const Type **fields = TypeTuple::fields(2); | |
646 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
647 fields[TypeFunc::Parms+1] = Type::HALF; | |
648 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
649 | |
650 // create result type (range) | |
651 fields = TypeTuple::fields(1); | |
652 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
653 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
654 | |
655 return TypeFunc::make(domain, range); | |
656 } | |
657 | |
658 const TypeFunc* OptoRuntime::modf_Type() { | |
659 const Type **fields = TypeTuple::fields(2); | |
660 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
661 fields[TypeFunc::Parms+1] = Type::FLOAT; | |
662 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
663 | |
664 // create result type (range) | |
665 fields = TypeTuple::fields(1); | |
666 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
667 | |
668 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
669 | |
670 return TypeFunc::make(domain, range); | |
671 } | |
672 | |
673 const TypeFunc *OptoRuntime::Math_D_D_Type() { | |
674 // create input type (domain) | |
675 const Type **fields = TypeTuple::fields(2); | |
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676 // Symbol* name of class to be loaded |
0 | 677 fields[TypeFunc::Parms+0] = Type::DOUBLE; |
678 fields[TypeFunc::Parms+1] = Type::HALF; | |
679 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
680 | |
681 // create result type (range) | |
682 fields = TypeTuple::fields(2); | |
683 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
684 fields[TypeFunc::Parms+1] = Type::HALF; | |
685 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
686 | |
687 return TypeFunc::make(domain, range); | |
688 } | |
689 | |
690 const TypeFunc* OptoRuntime::Math_DD_D_Type() { | |
691 const Type **fields = TypeTuple::fields(4); | |
692 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
693 fields[TypeFunc::Parms+1] = Type::HALF; | |
694 fields[TypeFunc::Parms+2] = Type::DOUBLE; | |
695 fields[TypeFunc::Parms+3] = Type::HALF; | |
696 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields); | |
697 | |
698 // create result type (range) | |
699 fields = TypeTuple::fields(2); | |
700 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
701 fields[TypeFunc::Parms+1] = Type::HALF; | |
702 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
703 | |
704 return TypeFunc::make(domain, range); | |
705 } | |
706 | |
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707 //-------------- currentTimeMillis, currentTimeNanos, etc |
0 | 708 |
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709 const TypeFunc* OptoRuntime::void_long_Type() { |
0 | 710 // create input type (domain) |
711 const Type **fields = TypeTuple::fields(0); | |
712 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); | |
713 | |
714 // create result type (range) | |
715 fields = TypeTuple::fields(2); | |
716 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
717 fields[TypeFunc::Parms+1] = Type::HALF; | |
718 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
719 | |
720 return TypeFunc::make(domain, range); | |
721 } | |
722 | |
723 // arraycopy stub variations: | |
724 enum ArrayCopyType { | |
725 ac_fast, // void(ptr, ptr, size_t) | |
726 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) | |
727 ac_slow, // void(ptr, int, ptr, int, int) | |
728 ac_generic // int(ptr, int, ptr, int, int) | |
729 }; | |
730 | |
731 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { | |
732 // create input type (domain) | |
733 int num_args = (act == ac_fast ? 3 : 5); | |
734 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); | |
735 int argcnt = num_args; | |
736 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths | |
737 const Type** fields = TypeTuple::fields(argcnt); | |
738 int argp = TypeFunc::Parms; | |
739 fields[argp++] = TypePtr::NOTNULL; // src | |
740 if (num_size_args == 0) { | |
741 fields[argp++] = TypeInt::INT; // src_pos | |
742 } | |
743 fields[argp++] = TypePtr::NOTNULL; // dest | |
744 if (num_size_args == 0) { | |
745 fields[argp++] = TypeInt::INT; // dest_pos | |
746 fields[argp++] = TypeInt::INT; // length | |
747 } | |
748 while (num_size_args-- > 0) { | |
749 fields[argp++] = TypeX_X; // size in whatevers (size_t) | |
750 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length | |
751 } | |
752 if (act == ac_checkcast) { | |
753 fields[argp++] = TypePtr::NOTNULL; // super_klass | |
754 } | |
755 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); | |
756 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
757 | |
758 // create result type if needed | |
759 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); | |
760 fields = TypeTuple::fields(1); | |
761 if (retcnt == 0) | |
762 fields[TypeFunc::Parms+0] = NULL; // void | |
763 else | |
764 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed | |
765 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); | |
766 return TypeFunc::make(domain, range); | |
767 } | |
768 | |
769 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { | |
770 // This signature is simple: Two base pointers and a size_t. | |
771 return make_arraycopy_Type(ac_fast); | |
772 } | |
773 | |
774 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { | |
775 // An extension of fast_arraycopy_Type which adds type checking. | |
776 return make_arraycopy_Type(ac_checkcast); | |
777 } | |
778 | |
779 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { | |
780 // This signature is exactly the same as System.arraycopy. | |
781 // There are no intptr_t (int/long) arguments. | |
782 return make_arraycopy_Type(ac_slow); | |
783 } | |
784 | |
785 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { | |
786 // This signature is like System.arraycopy, except that it returns status. | |
787 return make_arraycopy_Type(ac_generic); | |
788 } | |
789 | |
790 | |
1763 | 791 const TypeFunc* OptoRuntime::array_fill_Type() { |
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792 const Type** fields; |
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793 int argp = TypeFunc::Parms; |
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794 if (CCallingConventionRequiresIntsAsLongs) { |
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795 // create input type (domain): pointer, int, size_t |
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796 fields = TypeTuple::fields(3 LP64_ONLY( + 2)); |
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797 fields[argp++] = TypePtr::NOTNULL; |
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798 fields[argp++] = TypeLong::LONG; |
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799 fields[argp++] = Type::HALF; |
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800 } else { |
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801 // create input type (domain): pointer, int, size_t |
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802 fields = TypeTuple::fields(3 LP64_ONLY( + 1)); |
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803 fields[argp++] = TypePtr::NOTNULL; |
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804 fields[argp++] = TypeInt::INT; |
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805 } |
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806 fields[argp++] = TypeX_X; // size in whatevers (size_t) |
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807 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length |
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808 const TypeTuple *domain = TypeTuple::make(argp, fields); |
1763 | 809 |
810 // create result type | |
811 fields = TypeTuple::fields(1); | |
812 fields[TypeFunc::Parms+0] = NULL; // void | |
813 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
814 | |
815 return TypeFunc::make(domain, range); | |
816 } | |
817 | |
6894 | 818 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant) |
819 const TypeFunc* OptoRuntime::aescrypt_block_Type() { | |
820 // create input type (domain) | |
821 int num_args = 3; | |
14261 | 822 if (Matcher::pass_original_key_for_aes()) { |
823 num_args = 4; | |
824 } | |
6894 | 825 int argcnt = num_args; |
826 const Type** fields = TypeTuple::fields(argcnt); | |
827 int argp = TypeFunc::Parms; | |
828 fields[argp++] = TypePtr::NOTNULL; // src | |
829 fields[argp++] = TypePtr::NOTNULL; // dest | |
830 fields[argp++] = TypePtr::NOTNULL; // k array | |
14261 | 831 if (Matcher::pass_original_key_for_aes()) { |
832 fields[argp++] = TypePtr::NOTNULL; // original k array | |
833 } | |
6894 | 834 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
835 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
836 | |
837 // no result type needed | |
838 fields = TypeTuple::fields(1); | |
839 fields[TypeFunc::Parms+0] = NULL; // void | |
840 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); | |
841 return TypeFunc::make(domain, range); | |
842 } | |
843 | |
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844 /** |
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845 * int updateBytesCRC32(int crc, byte* b, int len) |
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846 */ |
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847 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() { |
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848 // create input type (domain) |
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849 int num_args = 3; |
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850 int argcnt = num_args; |
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851 const Type** fields = TypeTuple::fields(argcnt); |
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852 int argp = TypeFunc::Parms; |
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853 fields[argp++] = TypeInt::INT; // crc |
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854 fields[argp++] = TypePtr::NOTNULL; // src |
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855 fields[argp++] = TypeInt::INT; // len |
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856 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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857 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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858 |
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859 // result type needed |
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860 fields = TypeTuple::fields(1); |
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861 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result |
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862 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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863 return TypeFunc::make(domain, range); |
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864 } |
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865 |
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866 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int |
6894 | 867 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { |
868 // create input type (domain) | |
869 int num_args = 5; | |
14261 | 870 if (Matcher::pass_original_key_for_aes()) { |
871 num_args = 6; | |
872 } | |
6894 | 873 int argcnt = num_args; |
874 const Type** fields = TypeTuple::fields(argcnt); | |
875 int argp = TypeFunc::Parms; | |
876 fields[argp++] = TypePtr::NOTNULL; // src | |
877 fields[argp++] = TypePtr::NOTNULL; // dest | |
878 fields[argp++] = TypePtr::NOTNULL; // k array | |
879 fields[argp++] = TypePtr::NOTNULL; // r array | |
880 fields[argp++] = TypeInt::INT; // src len | |
14261 | 881 if (Matcher::pass_original_key_for_aes()) { |
882 fields[argp++] = TypePtr::NOTNULL; // original k array | |
883 } | |
6894 | 884 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
885 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
886 | |
14261 | 887 // returning cipher len (int) |
6894 | 888 fields = TypeTuple::fields(1); |
14261 | 889 fields[TypeFunc::Parms+0] = TypeInt::INT; |
890 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
6894 | 891 return TypeFunc::make(domain, range); |
892 } | |
893 | |
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894 /* |
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895 * void implCompress(byte[] buf, int ofs) |
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896 */ |
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897 const TypeFunc* OptoRuntime::sha_implCompress_Type() { |
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898 // create input type (domain) |
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899 int num_args = 2; |
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900 int argcnt = num_args; |
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|
901 const Type** fields = TypeTuple::fields(argcnt); |
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|
902 int argp = TypeFunc::Parms; |
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|
903 fields[argp++] = TypePtr::NOTNULL; // buf |
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|
904 fields[argp++] = TypePtr::NOTNULL; // state |
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|
905 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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|
906 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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|
907 |
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|
908 // no result type needed |
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|
909 fields = TypeTuple::fields(1); |
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|
910 fields[TypeFunc::Parms+0] = NULL; // void |
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|
911 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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|
912 return TypeFunc::make(domain, range); |
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|
913 } |
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|
914 |
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|
915 /* |
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|
916 * int implCompressMultiBlock(byte[] b, int ofs, int limit) |
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|
917 */ |
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|
918 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type() { |
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|
919 // create input type (domain) |
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|
920 int num_args = 4; |
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|
921 int argcnt = num_args; |
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|
922 const Type** fields = TypeTuple::fields(argcnt); |
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923 int argp = TypeFunc::Parms; |
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924 fields[argp++] = TypePtr::NOTNULL; // buf |
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925 fields[argp++] = TypePtr::NOTNULL; // state |
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|
926 fields[argp++] = TypeInt::INT; // ofs |
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927 fields[argp++] = TypeInt::INT; // limit |
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928 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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929 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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|
930 |
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|
931 // returning ofs (int) |
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|
932 fields = TypeTuple::fields(1); |
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|
933 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs |
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|
934 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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|
935 return TypeFunc::make(domain, range); |
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|
936 } |
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|
937 |
20438
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|
938 const TypeFunc* OptoRuntime::multiplyToLen_Type() { |
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|
939 // create input type (domain) |
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|
940 int num_args = 6; |
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|
941 int argcnt = num_args; |
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942 const Type** fields = TypeTuple::fields(argcnt); |
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943 int argp = TypeFunc::Parms; |
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|
944 fields[argp++] = TypePtr::NOTNULL; // x |
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|
945 fields[argp++] = TypeInt::INT; // xlen |
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|
946 fields[argp++] = TypePtr::NOTNULL; // y |
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|
947 fields[argp++] = TypeInt::INT; // ylen |
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|
948 fields[argp++] = TypePtr::NOTNULL; // z |
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|
949 fields[argp++] = TypeInt::INT; // zlen |
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|
950 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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|
951 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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|
952 |
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|
953 // no result type needed |
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|
954 fields = TypeTuple::fields(1); |
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|
955 fields[TypeFunc::Parms+0] = NULL; |
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|
956 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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|
957 return TypeFunc::make(domain, range); |
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|
958 } |
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|
959 |
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|
960 const TypeFunc* OptoRuntime::squareToLen_Type() { |
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|
961 // create input type (domain) |
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962 int num_args = 4; |
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|
963 int argcnt = num_args; |
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964 const Type** fields = TypeTuple::fields(argcnt); |
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965 int argp = TypeFunc::Parms; |
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|
966 fields[argp++] = TypePtr::NOTNULL; // x |
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967 fields[argp++] = TypeInt::INT; // len |
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968 fields[argp++] = TypePtr::NOTNULL; // z |
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969 fields[argp++] = TypeInt::INT; // zlen |
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|
970 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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971 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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|
972 |
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|
973 // no result type needed |
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|
974 fields = TypeTuple::fields(1); |
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|
975 fields[TypeFunc::Parms+0] = NULL; |
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|
976 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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|
977 return TypeFunc::make(domain, range); |
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|
978 } |
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|
979 |
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|
980 // for mulAdd calls, 2 pointers and 3 ints, returning int |
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|
981 const TypeFunc* OptoRuntime::mulAdd_Type() { |
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|
982 // create input type (domain) |
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|
983 int num_args = 5; |
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|
984 int argcnt = num_args; |
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985 const Type** fields = TypeTuple::fields(argcnt); |
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|
986 int argp = TypeFunc::Parms; |
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|
987 fields[argp++] = TypePtr::NOTNULL; // out |
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|
988 fields[argp++] = TypePtr::NOTNULL; // in |
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|
989 fields[argp++] = TypeInt::INT; // offset |
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990 fields[argp++] = TypeInt::INT; // len |
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|
991 fields[argp++] = TypeInt::INT; // k |
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|
992 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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993 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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|
994 |
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|
995 // returning carry (int) |
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|
996 fields = TypeTuple::fields(1); |
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|
997 fields[TypeFunc::Parms+0] = TypeInt::INT; |
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998 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); |
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|
999 return TypeFunc::make(domain, range); |
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|
1000 } |
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|
1001 |
23824
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|
1002 const TypeFunc* OptoRuntime::montgomeryMultiply_Type() { |
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|
1003 // create input type (domain) |
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|
1004 int num_args = 7; |
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|
1005 int argcnt = num_args; |
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1006 const Type** fields = TypeTuple::fields(argcnt); |
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|
1007 int argp = TypeFunc::Parms; |
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|
1008 fields[argp++] = TypePtr::NOTNULL; // a |
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1009 fields[argp++] = TypePtr::NOTNULL; // b |
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1010 fields[argp++] = TypePtr::NOTNULL; // n |
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1011 fields[argp++] = TypeInt::INT; // len |
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1012 fields[argp++] = TypeLong::LONG; // inv |
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|
1013 fields[argp++] = Type::HALF; |
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|
1014 fields[argp++] = TypePtr::NOTNULL; // result |
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|
1015 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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1016 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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|
1017 |
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1018 // result type needed |
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1019 fields = TypeTuple::fields(1); |
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1020 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL; |
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|
1021 |
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1022 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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1023 return TypeFunc::make(domain, range); |
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|
1024 } |
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|
1025 |
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1026 const TypeFunc* OptoRuntime::montgomerySquare_Type() { |
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1027 // create input type (domain) |
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1028 int num_args = 6; |
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1029 int argcnt = num_args; |
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1030 const Type** fields = TypeTuple::fields(argcnt); |
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1031 int argp = TypeFunc::Parms; |
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1032 fields[argp++] = TypePtr::NOTNULL; // a |
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1033 fields[argp++] = TypePtr::NOTNULL; // n |
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1034 fields[argp++] = TypeInt::INT; // len |
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1035 fields[argp++] = TypeLong::LONG; // inv |
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1036 fields[argp++] = Type::HALF; |
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1037 fields[argp++] = TypePtr::NOTNULL; // result |
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1038 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); |
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1039 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); |
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1040 |
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1041 // result type needed |
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1042 fields = TypeTuple::fields(1); |
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1043 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL; |
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1044 |
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1045 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); |
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1046 return TypeFunc::make(domain, range); |
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1047 } |
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1048 |
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1049 |
0 | 1050 //------------- Interpreter state access for on stack replacement |
1051 const TypeFunc* OptoRuntime::osr_end_Type() { | |
1052 // create input type (domain) | |
1053 const Type **fields = TypeTuple::fields(1); | |
1054 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf | |
1055 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
1056 | |
1057 // create result type | |
1058 fields = TypeTuple::fields(1); | |
1059 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop | |
1060 fields[TypeFunc::Parms+0] = NULL; // void | |
1061 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
1062 return TypeFunc::make(domain, range); | |
1063 } | |
1064 | |
1065 //-------------- methodData update helpers | |
1066 | |
1067 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { | |
1068 // create input type (domain) | |
1069 const Type **fields = TypeTuple::fields(2); | |
1070 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer | |
1071 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop | |
1072 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
1073 | |
1074 // create result type | |
1075 fields = TypeTuple::fields(1); | |
1076 fields[TypeFunc::Parms+0] = NULL; // void | |
1077 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
1078 return TypeFunc::make(domain,range); | |
1079 } | |
1080 | |
1081 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) | |
1082 if (receiver == NULL) return; | |
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1083 Klass* receiver_klass = receiver->klass(); |
0 | 1084 |
1085 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); | |
1086 int empty_row = -1; // free row, if any is encountered | |
1087 | |
1088 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); | |
1089 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { | |
1090 // if (vc->receiver(row) == receiver_klass) | |
1091 int receiver_off = ReceiverTypeData::receiver_cell_index(row); | |
1092 intptr_t row_recv = *(mdp + receiver_off); | |
1093 if (row_recv == (intptr_t) receiver_klass) { | |
1094 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); | |
1095 int count_off = ReceiverTypeData::receiver_count_cell_index(row); | |
1096 *(mdp + count_off) += DataLayout::counter_increment; | |
1097 return; | |
1098 } else if (row_recv == 0) { | |
1099 // else if (vc->receiver(row) == NULL) | |
1100 empty_row = (int) row; | |
1101 } | |
1102 } | |
1103 | |
1104 if (empty_row != -1) { | |
1105 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); | |
1106 // vc->set_receiver(empty_row, receiver_klass); | |
1107 *(mdp + receiver_off) = (intptr_t) receiver_klass; | |
1108 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); | |
1109 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); | |
1110 *(mdp + count_off) = DataLayout::counter_increment; | |
1206
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1111 } else { |
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1112 // Receiver did not match any saved receiver and there is no empty row for it. |
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1113 // Increment total counter to indicate polymorphic case. |
1206
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1114 intptr_t* count_p = (intptr_t*)(((byte*)(data)) + in_bytes(CounterData::count_offset())); |
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1115 *count_p += DataLayout::counter_increment; |
0 | 1116 } |
1117 JRT_END | |
1118 | |
1119 //------------------------------------------------------------------------------------- | |
1120 // register policy | |
1121 | |
1122 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { | |
1123 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); | |
1124 switch (register_save_policy[reg]) { | |
1125 case 'C': return false; //SOC | |
1126 case 'E': return true ; //SOE | |
1127 case 'N': return false; //NS | |
1128 case 'A': return false; //AS | |
1129 } | |
1130 ShouldNotReachHere(); | |
1131 return false; | |
1132 } | |
1133 | |
1134 //----------------------------------------------------------------------- | |
1135 // Exceptions | |
1136 // | |
1137 | |
1138 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; | |
1139 | |
1140 // The method is an entry that is always called by a C++ method not | |
1141 // directly from compiled code. Compiled code will call the C++ method following. | |
1142 // We can't allow async exception to be installed during exception processing. | |
1143 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) | |
1144 | |
1145 // Do not confuse exception_oop with pending_exception. The exception_oop | |
1146 // is only used to pass arguments into the method. Not for general | |
1147 // exception handling. DO NOT CHANGE IT to use pending_exception, since | |
1148 // the runtime stubs checks this on exit. | |
1149 assert(thread->exception_oop() != NULL, "exception oop is found"); | |
1150 address handler_address = NULL; | |
1151 | |
1152 Handle exception(thread, thread->exception_oop()); | |
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1153 address pc = thread->exception_pc(); |
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1154 |
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1155 // Clear out the exception oop and pc since looking up an |
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1156 // exception handler can cause class loading, which might throw an |
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1157 // exception and those fields are expected to be clear during |
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1158 // normal bytecode execution. |
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1159 thread->clear_exception_oop_and_pc(); |
0 | 1160 |
1161 if (TraceExceptions) { | |
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1162 trace_exception(exception(), pc, ""); |
0 | 1163 } |
12876
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1164 |
0 | 1165 // for AbortVMOnException flag |
1166 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
1167 | |
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1168 #ifdef ASSERT |
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1169 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
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1170 // should throw an exception here |
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1171 ShouldNotReachHere(); |
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1172 } |
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1173 #endif |
0 | 1174 |
1175 // new exception handling: this method is entered only from adapters | |
1176 // exceptions from compiled java methods are handled in compiled code | |
1177 // using rethrow node | |
1178 | |
1179 nm = CodeCache::find_nmethod(pc); | |
1180 assert(nm != NULL, "No NMethod found"); | |
1181 if (nm->is_native_method()) { | |
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1182 fatal("Native method should not have path to exception handling"); |
0 | 1183 } else { |
1184 // we are switching to old paradigm: search for exception handler in caller_frame | |
1185 // instead in exception handler of caller_frame.sender() | |
1186 | |
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1187 if (JvmtiExport::can_post_on_exceptions()) { |
0 | 1188 // "Full-speed catching" is not necessary here, |
1189 // since we're notifying the VM on every catch. | |
1190 // Force deoptimization and the rest of the lookup | |
1191 // will be fine. | |
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1192 deoptimize_caller_frame(thread); |
0 | 1193 } |
1194 | |
1195 // Check the stack guard pages. If enabled, look for handler in this frame; | |
1196 // otherwise, forcibly unwind the frame. | |
1197 // | |
1198 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. | |
1199 bool force_unwind = !thread->reguard_stack(); | |
1200 bool deopting = false; | |
1201 if (nm->is_deopt_pc(pc)) { | |
1202 deopting = true; | |
1203 RegisterMap map(thread, false); | |
1204 frame deoptee = thread->last_frame().sender(&map); | |
1205 assert(deoptee.is_deoptimized_frame(), "must be deopted"); | |
1206 // Adjust the pc back to the original throwing pc | |
1207 pc = deoptee.pc(); | |
1208 } | |
1209 | |
1210 // If we are forcing an unwind because of stack overflow then deopt is | |
14391 | 1211 // irrelevant since we are throwing the frame away anyway. |
0 | 1212 |
1213 if (deopting && !force_unwind) { | |
1214 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
1215 } else { | |
1216 | |
1217 handler_address = | |
1218 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); | |
1219 | |
1220 if (handler_address == NULL) { | |
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1221 bool recursive_exception = false; |
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1222 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception); |
0 | 1223 assert (handler_address != NULL, "must have compiled handler"); |
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1224 // Update the exception cache only when the unwind was not forced |
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1225 // and there didn't happen another exception during the computation of the |
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1226 // compiled exception handler. Checking for exception oop equality is not |
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1227 // sufficient because some exceptions are pre-allocated and reused. |
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1228 if (!force_unwind && recursive_exception) { |
0 | 1229 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); |
1230 } | |
1231 } else { | |
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1232 #ifdef ASSERT |
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1233 bool recursive_exception = false; |
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1234 address computed_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception); |
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1235 assert(recursive_exception || (handler_address == computed_address), "Handler address inconsistency"); |
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1236 #endif |
0 | 1237 } |
1238 } | |
1239 | |
1240 thread->set_exception_pc(pc); | |
1241 thread->set_exception_handler_pc(handler_address); | |
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1242 |
1295 | 1243 // Check if the exception PC is a MethodHandle call site. |
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1244 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
0 | 1245 } |
1246 | |
1247 // Restore correct return pc. Was saved above. | |
1248 thread->set_exception_oop(exception()); | |
1249 return handler_address; | |
1250 | |
1251 JRT_END | |
1252 | |
1253 // We are entering here from exception_blob | |
1254 // If there is a compiled exception handler in this method, we will continue there; | |
1255 // otherwise we will unwind the stack and continue at the caller of top frame method | |
1256 // Note we enter without the usual JRT wrapper. We will call a helper routine that | |
1257 // will do the normal VM entry. We do it this way so that we can see if the nmethod | |
1258 // we looked up the handler for has been deoptimized in the meantime. If it has been | |
14391 | 1259 // we must not use the handler and instead return the deopt blob. |
0 | 1260 address OptoRuntime::handle_exception_C(JavaThread* thread) { |
1261 // | |
1262 // We are in Java not VM and in debug mode we have a NoHandleMark | |
1263 // | |
1264 #ifndef PRODUCT | |
1265 SharedRuntime::_find_handler_ctr++; // find exception handler | |
1266 #endif | |
1267 debug_only(NoHandleMark __hm;) | |
1268 nmethod* nm = NULL; | |
1269 address handler_address = NULL; | |
1270 { | |
1271 // Enter the VM | |
1272 | |
1273 ResetNoHandleMark rnhm; | |
1274 handler_address = handle_exception_C_helper(thread, nm); | |
1275 } | |
1276 | |
1277 // Back in java: Use no oops, DON'T safepoint | |
1278 | |
1279 // Now check to see if the handler we are returning is in a now | |
1280 // deoptimized frame | |
1281 | |
1282 if (nm != NULL) { | |
1283 RegisterMap map(thread, false); | |
1284 frame caller = thread->last_frame().sender(&map); | |
1285 #ifdef ASSERT | |
1286 assert(caller.is_compiled_frame(), "must be"); | |
1287 #endif // ASSERT | |
1288 if (caller.is_deoptimized_frame()) { | |
1289 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
1290 } | |
1291 } | |
1292 return handler_address; | |
1293 } | |
1294 | |
1295 //------------------------------rethrow---------------------------------------- | |
1296 // We get here after compiled code has executed a 'RethrowNode'. The callee | |
1297 // is either throwing or rethrowing an exception. The callee-save registers | |
1298 // have been restored, synchronized objects have been unlocked and the callee | |
1299 // stack frame has been removed. The return address was passed in. | |
1300 // Exception oop is passed as the 1st argument. This routine is then called | |
1301 // from the stub. On exit, we know where to jump in the caller's code. | |
1302 // After this C code exits, the stub will pop his frame and end in a jump | |
1303 // (instead of a return). We enter the caller's default handler. | |
1304 // | |
1305 // This must be JRT_LEAF: | |
1306 // - caller will not change its state as we cannot block on exit, | |
1307 // therefore raw_exception_handler_for_return_address is all it takes | |
1308 // to handle deoptimized blobs | |
1309 // | |
1310 // However, there needs to be a safepoint check in the middle! So compiled | |
1311 // safepoints are completely watertight. | |
1312 // | |
1313 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. | |
1314 // | |
1315 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* | |
1316 // | |
1317 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { | |
1318 #ifndef PRODUCT | |
1319 SharedRuntime::_rethrow_ctr++; // count rethrows | |
1320 #endif | |
1321 assert (exception != NULL, "should have thrown a NULLPointerException"); | |
1322 #ifdef ASSERT | |
1142 | 1323 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
0 | 1324 // should throw an exception here |
1325 ShouldNotReachHere(); | |
1326 } | |
1327 #endif | |
1328 | |
1329 thread->set_vm_result(exception); | |
1330 // Frame not compiled (handles deoptimization blob) | |
1295 | 1331 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); |
0 | 1332 } |
1333 | |
1334 | |
1335 const TypeFunc *OptoRuntime::rethrow_Type() { | |
1336 // create input type (domain) | |
1337 const Type **fields = TypeTuple::fields(1); | |
1338 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
1339 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
1340 | |
1341 // create result type (range) | |
1342 fields = TypeTuple::fields(1); | |
1343 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
1344 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
1345 | |
1346 return TypeFunc::make(domain, range); | |
1347 } | |
1348 | |
1349 | |
1350 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { | |
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1351 // Deoptimize the caller before continuing, as the compiled |
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1352 // exception handler table may not be valid. |
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1353 if (!StressCompiledExceptionHandlers && doit) { |
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1354 deoptimize_caller_frame(thread); |
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1355 } |
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1356 } |
0 | 1357 |
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1358 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) { |
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1359 // Called from within the owner thread, so no need for safepoint |
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1360 RegisterMap reg_map(thread); |
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1361 frame stub_frame = thread->last_frame(); |
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1362 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
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1363 frame caller_frame = stub_frame.sender(®_map); |
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1364 |
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1365 // Deoptimize the caller frame. |
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1366 Deoptimization::deoptimize_frame(thread, caller_frame.id()); |
0 | 1367 } |
1368 | |
1369 | |
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1370 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { |
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1371 // Called from within the owner thread, so no need for safepoint |
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1372 RegisterMap reg_map(thread); |
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1373 frame stub_frame = thread->last_frame(); |
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1374 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); |
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1375 frame caller_frame = stub_frame.sender(®_map); |
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1376 return caller_frame.is_deoptimized_frame(); |
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1377 } |
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1378 |
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1379 |
0 | 1380 const TypeFunc *OptoRuntime::register_finalizer_Type() { |
1381 // create input type (domain) | |
1382 const Type **fields = TypeTuple::fields(1); | |
1383 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver | |
1384 // // The JavaThread* is passed to each routine as the last argument | |
1385 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread | |
1386 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
1387 | |
1388 // create result type (range) | |
1389 fields = TypeTuple::fields(0); | |
1390 | |
1391 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
1392 | |
1393 return TypeFunc::make(domain,range); | |
1394 } | |
1395 | |
1396 | |
1397 //----------------------------------------------------------------------------- | |
1398 // Dtrace support. entry and exit probes have the same signature | |
1399 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { | |
1400 // create input type (domain) | |
1401 const Type **fields = TypeTuple::fields(2); | |
1402 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
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1403 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering |
0 | 1404 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); |
1405 | |
1406 // create result type (range) | |
1407 fields = TypeTuple::fields(0); | |
1408 | |
1409 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
1410 | |
1411 return TypeFunc::make(domain,range); | |
1412 } | |
1413 | |
1414 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { | |
1415 // create input type (domain) | |
1416 const Type **fields = TypeTuple::fields(2); | |
1417 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
1418 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object | |
1419 | |
1420 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
1421 | |
1422 // create result type (range) | |
1423 fields = TypeTuple::fields(0); | |
1424 | |
1425 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
1426 | |
1427 return TypeFunc::make(domain,range); | |
1428 } | |
1429 | |
1430 | |
1431 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) | |
1432 assert(obj->is_oop(), "must be a valid oop"); | |
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1433 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
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1434 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
0 | 1435 JRT_END |
1436 | |
1437 //----------------------------------------------------------------------------- | |
1438 | |
1439 NamedCounter * volatile OptoRuntime::_named_counters = NULL; | |
1440 | |
1441 // | |
1442 // dump the collected NamedCounters. | |
1443 // | |
1444 void OptoRuntime::print_named_counters() { | |
1445 int total_lock_count = 0; | |
1446 int eliminated_lock_count = 0; | |
1447 | |
1448 NamedCounter* c = _named_counters; | |
1449 while (c) { | |
1450 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { | |
1451 int count = c->count(); | |
1452 if (count > 0) { | |
1453 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; | |
1454 if (Verbose) { | |
1455 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); | |
1456 } | |
1457 total_lock_count += count; | |
1458 if (eliminated) { | |
1459 eliminated_lock_count += count; | |
1460 } | |
1461 } | |
1462 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { | |
1463 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); | |
1464 if (blc->nonzero()) { | |
1465 tty->print_cr("%s", c->name()); | |
1466 blc->print_on(tty); | |
1467 } | |
17780 | 1468 #if INCLUDE_RTM_OPT |
1469 } else if (c->tag() == NamedCounter::RTMLockingCounter) { | |
1470 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters(); | |
1471 if (rlc->nonzero()) { | |
1472 tty->print_cr("%s", c->name()); | |
1473 rlc->print_on(tty); | |
1474 } | |
1475 #endif | |
0 | 1476 } |
1477 c = c->next(); | |
1478 } | |
1479 if (total_lock_count > 0) { | |
1480 tty->print_cr("dynamic locks: %d", total_lock_count); | |
1481 if (eliminated_lock_count) { | |
1482 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, | |
1483 (int)(eliminated_lock_count * 100.0 / total_lock_count)); | |
1484 } | |
1485 } | |
1486 } | |
1487 | |
1488 // | |
1489 // Allocate a new NamedCounter. The JVMState is used to generate the | |
1490 // name which consists of method@line for the inlining tree. | |
1491 // | |
1492 | |
1493 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { | |
1494 int max_depth = youngest_jvms->depth(); | |
1495 | |
1496 // Visit scopes from youngest to oldest. | |
1497 bool first = true; | |
1498 stringStream st; | |
1499 for (int depth = max_depth; depth >= 1; depth--) { | |
1500 JVMState* jvms = youngest_jvms->of_depth(depth); | |
1501 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; | |
1502 if (!first) { | |
1503 st.print(" "); | |
1504 } else { | |
1505 first = false; | |
1506 } | |
1507 int bci = jvms->bci(); | |
1508 if (bci < 0) bci = 0; | |
1509 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); | |
1510 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) | |
1511 } | |
1512 NamedCounter* c; | |
1513 if (tag == NamedCounter::BiasedLockingCounter) { | |
1514 c = new BiasedLockingNamedCounter(strdup(st.as_string())); | |
17780 | 1515 } else if (tag == NamedCounter::RTMLockingCounter) { |
1516 c = new RTMLockingNamedCounter(strdup(st.as_string())); | |
0 | 1517 } else { |
1518 c = new NamedCounter(strdup(st.as_string()), tag); | |
1519 } | |
1520 | |
1521 // atomically add the new counter to the head of the list. We only | |
1522 // add counters so this is safe. | |
1523 NamedCounter* head; | |
1524 do { | |
17780 | 1525 c->set_next(NULL); |
0 | 1526 head = _named_counters; |
1527 c->set_next(head); | |
1528 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); | |
1529 return c; | |
1530 } | |
1531 | |
1532 //----------------------------------------------------------------------------- | |
1533 // Non-product code | |
1534 #ifndef PRODUCT | |
1535 | |
1536 int trace_exception_counter = 0; | |
1537 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { | |
1538 ttyLocker ttyl; | |
1539 trace_exception_counter++; | |
1540 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); | |
1541 exception_oop->print_value(); | |
1542 tty->print(" in "); | |
1543 CodeBlob* blob = CodeCache::find_blob(exception_pc); | |
1544 if (blob->is_nmethod()) { | |
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1545 nmethod* nm = blob->as_nmethod_or_null(); |
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1546 nm->method()->print_value(); |
0 | 1547 } else if (blob->is_runtime_stub()) { |
1548 tty->print("<runtime-stub>"); | |
1549 } else { | |
1550 tty->print("<unknown>"); | |
1551 } | |
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1552 tty->print(" at " INTPTR_FORMAT, p2i(exception_pc)); |
0 | 1553 tty->print_cr("]"); |
1554 } | |
1555 | |
1556 #endif // PRODUCT | |
1557 | |
1558 | |
1559 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
1560 // Called from call sites in compiled code with oop maps (actually safepoints) | |
1561 // Zaps dead locals in first java frame. | |
1562 // Is entry because may need to lock to generate oop maps | |
1563 // Currently, only used for compiler frames, but someday may be used | |
1564 // for interpreter frames, too. | |
1565 | |
1566 int OptoRuntime::ZapDeadCompiledLocals_count = 0; | |
1567 | |
1568 // avoid pointers to member funcs with these helpers | |
1569 static bool is_java_frame( frame* f) { return f->is_java_frame(); } | |
1570 static bool is_native_frame(frame* f) { return f->is_native_frame(); } | |
1571 | |
1572 | |
1573 void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread, | |
1574 bool (*is_this_the_right_frame_to_zap)(frame*)) { | |
1575 assert(JavaThread::current() == thread, "is this needed?"); | |
1576 | |
1577 if ( !ZapDeadCompiledLocals ) return; | |
1578 | |
1579 bool skip = false; | |
1580 | |
1581 if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special | |
1582 else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true; | |
1583 else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count ) | |
1584 warning("starting zapping after skipping"); | |
1585 | |
1586 if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special | |
1587 else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true; | |
1588 else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count ) | |
1589 warning("about to zap last zap"); | |
1590 | |
1591 ++ZapDeadCompiledLocals_count; // counts skipped zaps, too | |
1592 | |
1593 if ( skip ) return; | |
1594 | |
1595 // find java frame and zap it | |
1596 | |
1597 for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) { | |
1598 if (is_this_the_right_frame_to_zap(sfs.current()) ) { | |
1599 sfs.current()->zap_dead_locals(thread, sfs.register_map()); | |
1600 return; | |
1601 } | |
1602 } | |
1603 warning("no frame found to zap in zap_dead_Java_locals_C"); | |
1604 } | |
1605 | |
1606 JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread)) | |
1607 zap_dead_java_or_native_locals(thread, is_java_frame); | |
1608 JRT_END | |
1609 | |
1610 // The following does not work because for one thing, the | |
1611 // thread state is wrong; it expects java, but it is native. | |
605 | 1612 // Also, the invariants in a native stub are different and |
0 | 1613 // I'm not sure it is safe to have a MachCalRuntimeDirectNode |
1614 // in there. | |
1615 // So for now, we do not zap in native stubs. | |
1616 | |
1617 JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread)) | |
1618 zap_dead_java_or_native_locals(thread, is_native_frame); | |
1619 JRT_END | |
1620 | |
1621 # endif |