Mercurial > hg > graal-compiler
annotate src/share/vm/opto/runtime.cpp @ 1844:75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
Reviewed-by: kvn
| author | never |
|---|---|
| date | Thu, 07 Oct 2010 21:40:55 -0700 |
| parents | d6f45b55c972 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1368
diff
changeset
|
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1368
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1368
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1368
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_runtime.cpp.incl" | |
| 27 | |
| 28 | |
| 29 // For debugging purposes: | |
| 30 // To force FullGCALot inside a runtime function, add the following two lines | |
| 31 // | |
| 32 // Universe::release_fullgc_alot_dummy(); | |
| 33 // MarkSweep::invoke(0, "Debugging"); | |
| 34 // | |
| 35 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000 | |
| 36 | |
| 37 | |
| 38 | |
| 39 | |
| 40 // Compiled code entry points | |
| 41 address OptoRuntime::_new_instance_Java = NULL; | |
| 42 address OptoRuntime::_new_array_Java = NULL; | |
| 43 address OptoRuntime::_multianewarray2_Java = NULL; | |
| 44 address OptoRuntime::_multianewarray3_Java = NULL; | |
| 45 address OptoRuntime::_multianewarray4_Java = NULL; | |
| 46 address OptoRuntime::_multianewarray5_Java = NULL; | |
| 342 | 47 address OptoRuntime::_g1_wb_pre_Java = NULL; |
| 48 address OptoRuntime::_g1_wb_post_Java = NULL; | |
| 0 | 49 address OptoRuntime::_vtable_must_compile_Java = NULL; |
| 50 address OptoRuntime::_complete_monitor_locking_Java = NULL; | |
| 51 address OptoRuntime::_rethrow_Java = NULL; | |
| 52 | |
| 53 address OptoRuntime::_slow_arraycopy_Java = NULL; | |
| 54 address OptoRuntime::_register_finalizer_Java = NULL; | |
| 55 | |
| 56 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 57 address OptoRuntime::_zap_dead_Java_locals_Java = NULL; | |
| 58 address OptoRuntime::_zap_dead_native_locals_Java = NULL; | |
| 59 # endif | |
| 60 | |
| 61 | |
| 62 // This should be called in an assertion at the start of OptoRuntime routines | |
| 63 // which are entered from compiled code (all of them) | |
| 64 #ifndef PRODUCT | |
| 65 static bool check_compiled_frame(JavaThread* thread) { | |
| 66 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code"); | |
| 67 #ifdef ASSERT | |
| 68 RegisterMap map(thread, false); | |
| 69 frame caller = thread->last_frame().sender(&map); | |
| 70 assert(caller.is_compiled_frame(), "not being called from compiled like code"); | |
| 71 #endif /* ASSERT */ | |
| 72 return true; | |
| 73 } | |
| 74 #endif | |
| 75 | |
| 76 | |
| 77 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \ | |
| 78 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc) | |
| 79 | |
| 80 void OptoRuntime::generate(ciEnv* env) { | |
| 81 | |
| 82 generate_exception_blob(); | |
| 83 | |
| 84 // Note: tls: Means fetching the return oop out of the thread-local storage | |
| 85 // | |
| 86 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc | |
| 87 // ------------------------------------------------------------------------------------------------------------------------------- | |
| 88 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); | |
| 89 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false); | |
| 90 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); | |
| 91 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); | |
| 92 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); | |
| 93 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false); | |
| 342 | 94 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); |
| 95 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); | |
| 0 | 96 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C , 0 , false, false, false); |
| 97 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); | |
| 98 | |
| 99 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); | |
| 100 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); | |
| 101 | |
| 102 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 103 gen(env, _zap_dead_Java_locals_Java , zap_dead_locals_Type , zap_dead_Java_locals_C , 0 , false, true , false ); | |
| 104 gen(env, _zap_dead_native_locals_Java , zap_dead_locals_Type , zap_dead_native_locals_C , 0 , false, true , false ); | |
| 105 # endif | |
| 106 | |
| 107 } | |
| 108 | |
| 109 #undef gen | |
| 110 | |
| 111 | |
| 112 // Helper method to do generation of RunTimeStub's | |
| 113 address OptoRuntime::generate_stub( ciEnv* env, | |
| 114 TypeFunc_generator gen, address C_function, | |
| 115 const char *name, int is_fancy_jump, | |
| 116 bool pass_tls, | |
| 117 bool save_argument_registers, | |
| 118 bool return_pc ) { | |
| 119 ResourceMark rm; | |
| 120 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc ); | |
| 121 return C.stub_entry_point(); | |
| 122 } | |
| 123 | |
| 124 const char* OptoRuntime::stub_name(address entry) { | |
| 125 #ifndef PRODUCT | |
| 126 CodeBlob* cb = CodeCache::find_blob(entry); | |
| 127 RuntimeStub* rs =(RuntimeStub *)cb; | |
| 128 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub"); | |
| 129 return rs->name(); | |
| 130 #else | |
| 131 // Fast implementation for product mode (maybe it should be inlined too) | |
| 132 return "runtime stub"; | |
| 133 #endif | |
| 134 } | |
| 135 | |
| 136 | |
| 137 //============================================================================= | |
| 138 // Opto compiler runtime routines | |
| 139 //============================================================================= | |
| 140 | |
| 141 | |
| 142 //=============================allocation====================================== | |
| 143 // We failed the fast-path allocation. Now we need to do a scavenge or GC | |
| 144 // and try allocation again. | |
| 145 | |
| 1166 | 146 void OptoRuntime::new_store_pre_barrier(JavaThread* thread) { |
| 0 | 147 // After any safepoint, just before going back to compiled code, |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
148 // we inform the GC that we will be doing initializing writes to |
|
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
149 // this object in the future without emitting card-marks, so |
|
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
150 // GC may take any compensating steps. |
|
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
151 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
| 0 | 152 |
| 153 oop new_obj = thread->vm_result(); | |
| 154 if (new_obj == NULL) return; | |
| 155 | |
| 156 assert(Universe::heap()->can_elide_tlab_store_barriers(), | |
| 157 "compiler must check this first"); | |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
158 // GC may decide to give back a safer copy of new_obj. |
| 1166 | 159 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
| 0 | 160 thread->set_vm_result(new_obj); |
| 161 } | |
| 162 | |
| 163 // object allocation | |
| 164 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(klassOopDesc* klass, JavaThread* thread)) | |
| 165 JRT_BLOCK; | |
| 166 #ifndef PRODUCT | |
| 167 SharedRuntime::_new_instance_ctr++; // new instance requires GC | |
| 168 #endif | |
| 169 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 170 | |
| 171 // These checks are cheap to make and support reflective allocation. | |
| 172 int lh = Klass::cast(klass)->layout_helper(); | |
| 173 if (Klass::layout_helper_needs_slow_path(lh) | |
| 174 || !instanceKlass::cast(klass)->is_initialized()) { | |
| 175 KlassHandle kh(THREAD, klass); | |
| 176 kh->check_valid_for_instantiation(false, THREAD); | |
| 177 if (!HAS_PENDING_EXCEPTION) { | |
| 178 instanceKlass::cast(kh())->initialize(THREAD); | |
| 179 } | |
| 180 if (!HAS_PENDING_EXCEPTION) { | |
| 181 klass = kh(); | |
| 182 } else { | |
| 183 klass = NULL; | |
| 184 } | |
| 185 } | |
| 186 | |
| 187 if (klass != NULL) { | |
| 188 // Scavenge and allocate an instance. | |
| 189 oop result = instanceKlass::cast(klass)->allocate_instance(THREAD); | |
| 190 thread->set_vm_result(result); | |
| 191 | |
| 192 // Pass oops back through thread local storage. Our apparent type to Java | |
| 193 // is that we return an oop, but we can block on exit from this routine and | |
| 194 // a GC can trash the oop in C's return register. The generated stub will | |
| 195 // fetch the oop from TLS after any possible GC. | |
| 196 } | |
| 197 | |
| 198 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 199 JRT_BLOCK_END; | |
| 200 | |
| 201 if (GraphKit::use_ReduceInitialCardMarks()) { | |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
202 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 203 new_store_pre_barrier(thread); |
| 0 | 204 } |
| 205 JRT_END | |
| 206 | |
| 207 | |
| 208 // array allocation | |
| 209 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(klassOopDesc* array_type, int len, JavaThread *thread)) | |
| 210 JRT_BLOCK; | |
| 211 #ifndef PRODUCT | |
| 212 SharedRuntime::_new_array_ctr++; // new array requires GC | |
| 213 #endif | |
| 214 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 215 | |
| 216 // Scavenge and allocate an instance. | |
| 217 oop result; | |
| 218 | |
| 219 if (Klass::cast(array_type)->oop_is_typeArray()) { | |
| 220 // The oopFactory likes to work with the element type. | |
| 221 // (We could bypass the oopFactory, since it doesn't add much value.) | |
| 222 BasicType elem_type = typeArrayKlass::cast(array_type)->element_type(); | |
| 223 result = oopFactory::new_typeArray(elem_type, len, THREAD); | |
| 224 } else { | |
| 225 // Although the oopFactory likes to work with the elem_type, | |
| 226 // the compiler prefers the array_type, since it must already have | |
| 227 // that latter value in hand for the fast path. | |
| 228 klassOopDesc* elem_type = objArrayKlass::cast(array_type)->element_klass(); | |
| 229 result = oopFactory::new_objArray(elem_type, len, THREAD); | |
| 230 } | |
| 231 | |
| 232 // Pass oops back through thread local storage. Our apparent type to Java | |
| 233 // is that we return an oop, but we can block on exit from this routine and | |
| 234 // a GC can trash the oop in C's return register. The generated stub will | |
| 235 // fetch the oop from TLS after any possible GC. | |
| 236 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 237 thread->set_vm_result(result); | |
| 238 JRT_BLOCK_END; | |
| 239 | |
| 240 if (GraphKit::use_ReduceInitialCardMarks()) { | |
|
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
605
diff
changeset
|
241 // inform GC that we won't do card marks for initializing writes. |
| 1166 | 242 new_store_pre_barrier(thread); |
| 0 | 243 } |
| 244 JRT_END | |
| 245 | |
| 246 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. | |
| 247 | |
| 248 // multianewarray for 2 dimensions | |
| 249 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(klassOopDesc* elem_type, int len1, int len2, JavaThread *thread)) | |
| 250 #ifndef PRODUCT | |
| 251 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension | |
| 252 #endif | |
| 253 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 254 assert(oop(elem_type)->is_klass(), "not a class"); | |
| 255 jint dims[2]; | |
| 256 dims[0] = len1; | |
| 257 dims[1] = len2; | |
| 258 oop obj = arrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); | |
| 259 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 260 thread->set_vm_result(obj); | |
| 261 JRT_END | |
| 262 | |
| 263 // multianewarray for 3 dimensions | |
| 264 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(klassOopDesc* elem_type, int len1, int len2, int len3, JavaThread *thread)) | |
| 265 #ifndef PRODUCT | |
| 266 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension | |
| 267 #endif | |
| 268 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 269 assert(oop(elem_type)->is_klass(), "not a class"); | |
| 270 jint dims[3]; | |
| 271 dims[0] = len1; | |
| 272 dims[1] = len2; | |
| 273 dims[2] = len3; | |
| 274 oop obj = arrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); | |
| 275 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 276 thread->set_vm_result(obj); | |
| 277 JRT_END | |
| 278 | |
| 279 // multianewarray for 4 dimensions | |
| 280 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(klassOopDesc* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) | |
| 281 #ifndef PRODUCT | |
| 282 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension | |
| 283 #endif | |
| 284 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 285 assert(oop(elem_type)->is_klass(), "not a class"); | |
| 286 jint dims[4]; | |
| 287 dims[0] = len1; | |
| 288 dims[1] = len2; | |
| 289 dims[2] = len3; | |
| 290 dims[3] = len4; | |
| 291 oop obj = arrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); | |
| 292 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 293 thread->set_vm_result(obj); | |
| 294 JRT_END | |
| 295 | |
| 296 // multianewarray for 5 dimensions | |
| 297 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(klassOopDesc* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) | |
| 298 #ifndef PRODUCT | |
| 299 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension | |
| 300 #endif | |
| 301 assert(check_compiled_frame(thread), "incorrect caller"); | |
| 302 assert(oop(elem_type)->is_klass(), "not a class"); | |
| 303 jint dims[5]; | |
| 304 dims[0] = len1; | |
| 305 dims[1] = len2; | |
| 306 dims[2] = len3; | |
| 307 dims[3] = len4; | |
| 308 dims[4] = len5; | |
| 309 oop obj = arrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD); | |
| 310 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); | |
| 311 thread->set_vm_result(obj); | |
| 312 JRT_END | |
| 313 | |
| 314 const TypeFunc *OptoRuntime::new_instance_Type() { | |
| 315 // create input type (domain) | |
| 316 const Type **fields = TypeTuple::fields(1); | |
| 317 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 318 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 319 | |
| 320 // create result type (range) | |
| 321 fields = TypeTuple::fields(1); | |
| 322 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 323 | |
| 324 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 325 | |
| 326 return TypeFunc::make(domain, range); | |
| 327 } | |
| 328 | |
| 329 | |
| 330 const TypeFunc *OptoRuntime::athrow_Type() { | |
| 331 // create input type (domain) | |
| 332 const Type **fields = TypeTuple::fields(1); | |
| 333 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated | |
| 334 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 335 | |
| 336 // create result type (range) | |
| 337 fields = TypeTuple::fields(0); | |
| 338 | |
| 339 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 340 | |
| 341 return TypeFunc::make(domain, range); | |
| 342 } | |
| 343 | |
| 344 | |
| 345 const TypeFunc *OptoRuntime::new_array_Type() { | |
| 346 // create input type (domain) | |
| 347 const Type **fields = TypeTuple::fields(2); | |
| 348 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 349 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size | |
| 350 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 351 | |
| 352 // create result type (range) | |
| 353 fields = TypeTuple::fields(1); | |
| 354 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 355 | |
| 356 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 357 | |
| 358 return TypeFunc::make(domain, range); | |
| 359 } | |
| 360 | |
| 361 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { | |
| 362 // create input type (domain) | |
| 363 const int nargs = ndim + 1; | |
| 364 const Type **fields = TypeTuple::fields(nargs); | |
| 365 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass | |
| 366 for( int i = 1; i < nargs; i++ ) | |
| 367 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size | |
| 368 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); | |
| 369 | |
| 370 // create result type (range) | |
| 371 fields = TypeTuple::fields(1); | |
| 372 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop | |
| 373 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 374 | |
| 375 return TypeFunc::make(domain, range); | |
| 376 } | |
| 377 | |
| 378 const TypeFunc *OptoRuntime::multianewarray2_Type() { | |
| 379 return multianewarray_Type(2); | |
| 380 } | |
| 381 | |
| 382 const TypeFunc *OptoRuntime::multianewarray3_Type() { | |
| 383 return multianewarray_Type(3); | |
| 384 } | |
| 385 | |
| 386 const TypeFunc *OptoRuntime::multianewarray4_Type() { | |
| 387 return multianewarray_Type(4); | |
| 388 } | |
| 389 | |
| 390 const TypeFunc *OptoRuntime::multianewarray5_Type() { | |
| 391 return multianewarray_Type(5); | |
| 392 } | |
| 393 | |
| 342 | 394 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { |
| 395 const Type **fields = TypeTuple::fields(2); | |
| 396 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value | |
| 397 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 398 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 399 | |
| 400 // create result type (range) | |
| 401 fields = TypeTuple::fields(0); | |
| 402 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 403 | |
| 404 return TypeFunc::make(domain, range); | |
| 405 } | |
| 406 | |
| 407 const TypeFunc *OptoRuntime::g1_wb_post_Type() { | |
| 408 | |
| 409 const Type **fields = TypeTuple::fields(2); | |
| 410 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr | |
| 411 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread | |
| 412 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 413 | |
| 414 // create result type (range) | |
| 415 fields = TypeTuple::fields(0); | |
| 416 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 417 | |
| 418 return TypeFunc::make(domain, range); | |
| 419 } | |
| 420 | |
| 0 | 421 const TypeFunc *OptoRuntime::uncommon_trap_Type() { |
| 422 // create input type (domain) | |
| 423 const Type **fields = TypeTuple::fields(1); | |
| 424 // symbolOop name of class to be loaded | |
| 425 fields[TypeFunc::Parms+0] = TypeInt::INT; | |
| 426 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 427 | |
| 428 // create result type (range) | |
| 429 fields = TypeTuple::fields(0); | |
| 430 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 431 | |
| 432 return TypeFunc::make(domain, range); | |
| 433 } | |
| 434 | |
| 435 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 436 // Type used for stub generation for zap_dead_locals. | |
| 437 // No inputs or outputs | |
| 438 const TypeFunc *OptoRuntime::zap_dead_locals_Type() { | |
| 439 // create input type (domain) | |
| 440 const Type **fields = TypeTuple::fields(0); | |
| 441 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields); | |
| 442 | |
| 443 // create result type (range) | |
| 444 fields = TypeTuple::fields(0); | |
| 445 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields); | |
| 446 | |
| 447 return TypeFunc::make(domain,range); | |
| 448 } | |
| 449 # endif | |
| 450 | |
| 451 | |
| 452 //----------------------------------------------------------------------------- | |
| 453 // Monitor Handling | |
| 454 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { | |
| 455 // create input type (domain) | |
| 456 const Type **fields = TypeTuple::fields(2); | |
| 457 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 458 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 459 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 460 | |
| 461 // create result type (range) | |
| 462 fields = TypeTuple::fields(0); | |
| 463 | |
| 464 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 465 | |
| 466 return TypeFunc::make(domain,range); | |
| 467 } | |
| 468 | |
| 469 | |
| 470 //----------------------------------------------------------------------------- | |
| 471 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { | |
| 472 // create input type (domain) | |
| 473 const Type **fields = TypeTuple::fields(2); | |
| 474 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked | |
| 475 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock | |
| 476 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 477 | |
| 478 // create result type (range) | |
| 479 fields = TypeTuple::fields(0); | |
| 480 | |
| 481 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 482 | |
| 483 return TypeFunc::make(domain,range); | |
| 484 } | |
| 485 | |
| 486 const TypeFunc* OptoRuntime::flush_windows_Type() { | |
| 487 // create input type (domain) | |
| 488 const Type** fields = TypeTuple::fields(1); | |
| 489 fields[TypeFunc::Parms+0] = NULL; // void | |
| 490 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); | |
| 491 | |
| 492 // create result type | |
| 493 fields = TypeTuple::fields(1); | |
| 494 fields[TypeFunc::Parms+0] = NULL; // void | |
| 495 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 496 | |
| 497 return TypeFunc::make(domain, range); | |
| 498 } | |
| 499 | |
| 500 const TypeFunc* OptoRuntime::l2f_Type() { | |
| 501 // create input type (domain) | |
| 502 const Type **fields = TypeTuple::fields(2); | |
| 503 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 504 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 505 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 506 | |
| 507 // create result type (range) | |
| 508 fields = TypeTuple::fields(1); | |
| 509 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 510 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 511 | |
| 512 return TypeFunc::make(domain, range); | |
| 513 } | |
| 514 | |
| 515 const TypeFunc* OptoRuntime::modf_Type() { | |
| 516 const Type **fields = TypeTuple::fields(2); | |
| 517 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 518 fields[TypeFunc::Parms+1] = Type::FLOAT; | |
| 519 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 520 | |
| 521 // create result type (range) | |
| 522 fields = TypeTuple::fields(1); | |
| 523 fields[TypeFunc::Parms+0] = Type::FLOAT; | |
| 524 | |
| 525 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 526 | |
| 527 return TypeFunc::make(domain, range); | |
| 528 } | |
| 529 | |
| 530 const TypeFunc *OptoRuntime::Math_D_D_Type() { | |
| 531 // create input type (domain) | |
| 532 const Type **fields = TypeTuple::fields(2); | |
| 533 // symbolOop name of class to be loaded | |
| 534 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 535 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 536 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 537 | |
| 538 // create result type (range) | |
| 539 fields = TypeTuple::fields(2); | |
| 540 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 541 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 542 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 543 | |
| 544 return TypeFunc::make(domain, range); | |
| 545 } | |
| 546 | |
| 547 const TypeFunc* OptoRuntime::Math_DD_D_Type() { | |
| 548 const Type **fields = TypeTuple::fields(4); | |
| 549 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 550 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 551 fields[TypeFunc::Parms+2] = Type::DOUBLE; | |
| 552 fields[TypeFunc::Parms+3] = Type::HALF; | |
| 553 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields); | |
| 554 | |
| 555 // create result type (range) | |
| 556 fields = TypeTuple::fields(2); | |
| 557 fields[TypeFunc::Parms+0] = Type::DOUBLE; | |
| 558 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 559 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 560 | |
| 561 return TypeFunc::make(domain, range); | |
| 562 } | |
| 563 | |
| 564 //-------------- currentTimeMillis | |
| 565 | |
| 566 const TypeFunc* OptoRuntime::current_time_millis_Type() { | |
| 567 // create input type (domain) | |
| 568 const Type **fields = TypeTuple::fields(0); | |
| 569 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); | |
| 570 | |
| 571 // create result type (range) | |
| 572 fields = TypeTuple::fields(2); | |
| 573 fields[TypeFunc::Parms+0] = TypeLong::LONG; | |
| 574 fields[TypeFunc::Parms+1] = Type::HALF; | |
| 575 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 576 | |
| 577 return TypeFunc::make(domain, range); | |
| 578 } | |
| 579 | |
| 580 // arraycopy stub variations: | |
| 581 enum ArrayCopyType { | |
| 582 ac_fast, // void(ptr, ptr, size_t) | |
| 583 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) | |
| 584 ac_slow, // void(ptr, int, ptr, int, int) | |
| 585 ac_generic // int(ptr, int, ptr, int, int) | |
| 586 }; | |
| 587 | |
| 588 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { | |
| 589 // create input type (domain) | |
| 590 int num_args = (act == ac_fast ? 3 : 5); | |
| 591 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); | |
| 592 int argcnt = num_args; | |
| 593 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths | |
| 594 const Type** fields = TypeTuple::fields(argcnt); | |
| 595 int argp = TypeFunc::Parms; | |
| 596 fields[argp++] = TypePtr::NOTNULL; // src | |
| 597 if (num_size_args == 0) { | |
| 598 fields[argp++] = TypeInt::INT; // src_pos | |
| 599 } | |
| 600 fields[argp++] = TypePtr::NOTNULL; // dest | |
| 601 if (num_size_args == 0) { | |
| 602 fields[argp++] = TypeInt::INT; // dest_pos | |
| 603 fields[argp++] = TypeInt::INT; // length | |
| 604 } | |
| 605 while (num_size_args-- > 0) { | |
| 606 fields[argp++] = TypeX_X; // size in whatevers (size_t) | |
| 607 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length | |
| 608 } | |
| 609 if (act == ac_checkcast) { | |
| 610 fields[argp++] = TypePtr::NOTNULL; // super_klass | |
| 611 } | |
| 612 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); | |
| 613 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); | |
| 614 | |
| 615 // create result type if needed | |
| 616 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); | |
| 617 fields = TypeTuple::fields(1); | |
| 618 if (retcnt == 0) | |
| 619 fields[TypeFunc::Parms+0] = NULL; // void | |
| 620 else | |
| 621 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed | |
| 622 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); | |
| 623 return TypeFunc::make(domain, range); | |
| 624 } | |
| 625 | |
| 626 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { | |
| 627 // This signature is simple: Two base pointers and a size_t. | |
| 628 return make_arraycopy_Type(ac_fast); | |
| 629 } | |
| 630 | |
| 631 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { | |
| 632 // An extension of fast_arraycopy_Type which adds type checking. | |
| 633 return make_arraycopy_Type(ac_checkcast); | |
| 634 } | |
| 635 | |
| 636 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { | |
| 637 // This signature is exactly the same as System.arraycopy. | |
| 638 // There are no intptr_t (int/long) arguments. | |
| 639 return make_arraycopy_Type(ac_slow); | |
| 640 } | |
| 641 | |
| 642 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { | |
| 643 // This signature is like System.arraycopy, except that it returns status. | |
| 644 return make_arraycopy_Type(ac_generic); | |
| 645 } | |
| 646 | |
| 647 | |
| 1763 | 648 const TypeFunc* OptoRuntime::array_fill_Type() { |
|
1844
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
649 // create input type (domain): pointer, int, size_t |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
650 const Type** fields = TypeTuple::fields(3 LP64_ONLY( + 1)); |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
651 int argp = TypeFunc::Parms; |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
652 fields[argp++] = TypePtr::NOTNULL; |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
653 fields[argp++] = TypeInt::INT; |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
654 fields[argp++] = TypeX_X; // size in whatevers (size_t) |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
655 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length |
|
75588558f1bf
6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)"
never
parents:
1763
diff
changeset
|
656 const TypeTuple *domain = TypeTuple::make(argp, fields); |
| 1763 | 657 |
| 658 // create result type | |
| 659 fields = TypeTuple::fields(1); | |
| 660 fields[TypeFunc::Parms+0] = NULL; // void | |
| 661 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 662 | |
| 663 return TypeFunc::make(domain, range); | |
| 664 } | |
| 665 | |
| 0 | 666 //------------- Interpreter state access for on stack replacement |
| 667 const TypeFunc* OptoRuntime::osr_end_Type() { | |
| 668 // create input type (domain) | |
| 669 const Type **fields = TypeTuple::fields(1); | |
| 670 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf | |
| 671 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 672 | |
| 673 // create result type | |
| 674 fields = TypeTuple::fields(1); | |
| 675 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop | |
| 676 fields[TypeFunc::Parms+0] = NULL; // void | |
| 677 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 678 return TypeFunc::make(domain, range); | |
| 679 } | |
| 680 | |
| 681 //-------------- methodData update helpers | |
| 682 | |
| 683 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { | |
| 684 // create input type (domain) | |
| 685 const Type **fields = TypeTuple::fields(2); | |
| 686 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer | |
| 687 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop | |
| 688 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); | |
| 689 | |
| 690 // create result type | |
| 691 fields = TypeTuple::fields(1); | |
| 692 fields[TypeFunc::Parms+0] = NULL; // void | |
| 693 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); | |
| 694 return TypeFunc::make(domain,range); | |
| 695 } | |
| 696 | |
| 697 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) | |
| 698 if (receiver == NULL) return; | |
| 699 klassOop receiver_klass = receiver->klass(); | |
| 700 | |
| 701 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); | |
| 702 int empty_row = -1; // free row, if any is encountered | |
| 703 | |
| 704 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); | |
| 705 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { | |
| 706 // if (vc->receiver(row) == receiver_klass) | |
| 707 int receiver_off = ReceiverTypeData::receiver_cell_index(row); | |
| 708 intptr_t row_recv = *(mdp + receiver_off); | |
| 709 if (row_recv == (intptr_t) receiver_klass) { | |
| 710 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); | |
| 711 int count_off = ReceiverTypeData::receiver_count_cell_index(row); | |
| 712 *(mdp + count_off) += DataLayout::counter_increment; | |
| 713 return; | |
| 714 } else if (row_recv == 0) { | |
| 715 // else if (vc->receiver(row) == NULL) | |
| 716 empty_row = (int) row; | |
| 717 } | |
| 718 } | |
| 719 | |
| 720 if (empty_row != -1) { | |
| 721 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); | |
| 722 // vc->set_receiver(empty_row, receiver_klass); | |
| 723 *(mdp + receiver_off) = (intptr_t) receiver_klass; | |
| 724 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); | |
| 725 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); | |
| 726 *(mdp + count_off) = DataLayout::counter_increment; | |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
727 } else { |
|
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
728 // Receiver did not match any saved receiver and there is no empty row for it. |
|
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1206
diff
changeset
|
729 // Increment total counter to indicate polymorphic case. |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
730 intptr_t* count_p = (intptr_t*)(((byte*)(data)) + in_bytes(CounterData::count_offset())); |
|
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1166
diff
changeset
|
731 *count_p += DataLayout::counter_increment; |
| 0 | 732 } |
| 733 JRT_END | |
| 734 | |
| 735 //----------------------------------------------------------------------------- | |
| 736 // implicit exception support. | |
| 737 | |
| 738 static void report_null_exception_in_code_cache(address exception_pc) { | |
| 739 ResourceMark rm; | |
| 740 CodeBlob* n = CodeCache::find_blob(exception_pc); | |
| 741 if (n != NULL) { | |
| 742 tty->print_cr("#"); | |
| 743 tty->print_cr("# HotSpot Runtime Error, null exception in generated code"); | |
| 744 tty->print_cr("#"); | |
| 745 tty->print_cr("# pc where exception happened = " INTPTR_FORMAT, exception_pc); | |
| 746 | |
| 747 if (n->is_nmethod()) { | |
| 748 methodOop method = ((nmethod*)n)->method(); | |
| 749 tty->print_cr("# Method where it happened %s.%s ", Klass::cast(method->method_holder())->name()->as_C_string(), method->name()->as_C_string()); | |
| 750 tty->print_cr("#"); | |
| 751 if (ShowMessageBoxOnError && UpdateHotSpotCompilerFileOnError) { | |
| 752 const char* title = "HotSpot Runtime Error"; | |
| 753 const char* question = "Do you want to exclude compilation of this method in future runs?"; | |
| 754 if (os::message_box(title, question)) { | |
| 755 CompilerOracle::append_comment_to_file(""); | |
| 756 CompilerOracle::append_comment_to_file("Null exception in compiled code resulted in the following exclude"); | |
| 757 CompilerOracle::append_comment_to_file(""); | |
| 758 CompilerOracle::append_exclude_to_file(method); | |
| 759 tty->print_cr("#"); | |
| 760 tty->print_cr("# %s has been updated to exclude the specified method", CompileCommandFile); | |
| 761 tty->print_cr("#"); | |
| 762 } | |
| 763 } | |
| 764 fatal("Implicit null exception happened in compiled method"); | |
| 765 } else { | |
| 766 n->print(); | |
| 767 fatal("Implicit null exception happened in generated stub"); | |
| 768 } | |
| 769 } | |
| 770 fatal("Implicit null exception at wrong place"); | |
| 771 } | |
| 772 | |
| 773 | |
| 774 //------------------------------------------------------------------------------------- | |
| 775 // register policy | |
| 776 | |
| 777 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { | |
| 778 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); | |
| 779 switch (register_save_policy[reg]) { | |
| 780 case 'C': return false; //SOC | |
| 781 case 'E': return true ; //SOE | |
| 782 case 'N': return false; //NS | |
| 783 case 'A': return false; //AS | |
| 784 } | |
| 785 ShouldNotReachHere(); | |
| 786 return false; | |
| 787 } | |
| 788 | |
| 789 //----------------------------------------------------------------------- | |
| 790 // Exceptions | |
| 791 // | |
| 792 | |
| 793 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; | |
| 794 | |
| 795 // The method is an entry that is always called by a C++ method not | |
| 796 // directly from compiled code. Compiled code will call the C++ method following. | |
| 797 // We can't allow async exception to be installed during exception processing. | |
| 798 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) | |
| 799 | |
| 800 // Do not confuse exception_oop with pending_exception. The exception_oop | |
| 801 // is only used to pass arguments into the method. Not for general | |
| 802 // exception handling. DO NOT CHANGE IT to use pending_exception, since | |
| 803 // the runtime stubs checks this on exit. | |
| 804 assert(thread->exception_oop() != NULL, "exception oop is found"); | |
| 805 address handler_address = NULL; | |
| 806 | |
| 807 Handle exception(thread, thread->exception_oop()); | |
| 808 | |
| 809 if (TraceExceptions) { | |
| 810 trace_exception(exception(), thread->exception_pc(), ""); | |
| 811 } | |
| 812 // for AbortVMOnException flag | |
| 813 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 814 | |
| 815 #ifdef ASSERT | |
| 1142 | 816 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
| 0 | 817 // should throw an exception here |
| 818 ShouldNotReachHere(); | |
| 819 } | |
| 820 #endif | |
| 821 | |
| 822 | |
| 823 // new exception handling: this method is entered only from adapters | |
| 824 // exceptions from compiled java methods are handled in compiled code | |
| 825 // using rethrow node | |
| 826 | |
| 827 address pc = thread->exception_pc(); | |
| 828 nm = CodeCache::find_nmethod(pc); | |
| 829 assert(nm != NULL, "No NMethod found"); | |
| 830 if (nm->is_native_method()) { | |
| 831 fatal("Native mathod should not have path to exception handling"); | |
| 832 } else { | |
| 833 // we are switching to old paradigm: search for exception handler in caller_frame | |
| 834 // instead in exception handler of caller_frame.sender() | |
| 835 | |
|
1213
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1166
diff
changeset
|
836 if (JvmtiExport::can_post_on_exceptions()) { |
| 0 | 837 // "Full-speed catching" is not necessary here, |
| 838 // since we're notifying the VM on every catch. | |
| 839 // Force deoptimization and the rest of the lookup | |
| 840 // will be fine. | |
| 841 deoptimize_caller_frame(thread, true); | |
| 842 } | |
| 843 | |
| 844 // Check the stack guard pages. If enabled, look for handler in this frame; | |
| 845 // otherwise, forcibly unwind the frame. | |
| 846 // | |
| 847 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. | |
| 848 bool force_unwind = !thread->reguard_stack(); | |
| 849 bool deopting = false; | |
| 850 if (nm->is_deopt_pc(pc)) { | |
| 851 deopting = true; | |
| 852 RegisterMap map(thread, false); | |
| 853 frame deoptee = thread->last_frame().sender(&map); | |
| 854 assert(deoptee.is_deoptimized_frame(), "must be deopted"); | |
| 855 // Adjust the pc back to the original throwing pc | |
| 856 pc = deoptee.pc(); | |
| 857 } | |
| 858 | |
| 859 // If we are forcing an unwind because of stack overflow then deopt is | |
| 860 // irrelevant sice we are throwing the frame away anyway. | |
| 861 | |
| 862 if (deopting && !force_unwind) { | |
| 863 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 864 } else { | |
| 865 | |
| 866 handler_address = | |
| 867 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); | |
| 868 | |
| 869 if (handler_address == NULL) { | |
| 870 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true); | |
| 871 assert (handler_address != NULL, "must have compiled handler"); | |
| 872 // Update the exception cache only when the unwind was not forced. | |
| 873 if (!force_unwind) { | |
| 874 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); | |
| 875 } | |
| 876 } else { | |
| 877 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same"); | |
| 878 } | |
| 879 } | |
| 880 | |
| 881 thread->set_exception_pc(pc); | |
| 882 thread->set_exception_handler_pc(handler_address); | |
| 883 thread->set_exception_stack_size(0); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1027
diff
changeset
|
884 |
| 1295 | 885 // Check if the exception PC is a MethodHandle call site. |
|
1368
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1295
diff
changeset
|
886 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
| 0 | 887 } |
| 888 | |
| 889 // Restore correct return pc. Was saved above. | |
| 890 thread->set_exception_oop(exception()); | |
| 891 return handler_address; | |
| 892 | |
| 893 JRT_END | |
| 894 | |
| 895 // We are entering here from exception_blob | |
| 896 // If there is a compiled exception handler in this method, we will continue there; | |
| 897 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 898 // Note we enter without the usual JRT wrapper. We will call a helper routine that | |
| 899 // will do the normal VM entry. We do it this way so that we can see if the nmethod | |
| 900 // we looked up the handler for has been deoptimized in the meantime. If it has been | |
| 901 // we must not use the handler and instread return the deopt blob. | |
| 902 address OptoRuntime::handle_exception_C(JavaThread* thread) { | |
| 903 // | |
| 904 // We are in Java not VM and in debug mode we have a NoHandleMark | |
| 905 // | |
| 906 #ifndef PRODUCT | |
| 907 SharedRuntime::_find_handler_ctr++; // find exception handler | |
| 908 #endif | |
| 909 debug_only(NoHandleMark __hm;) | |
| 910 nmethod* nm = NULL; | |
| 911 address handler_address = NULL; | |
| 912 { | |
| 913 // Enter the VM | |
| 914 | |
| 915 ResetNoHandleMark rnhm; | |
| 916 handler_address = handle_exception_C_helper(thread, nm); | |
| 917 } | |
| 918 | |
| 919 // Back in java: Use no oops, DON'T safepoint | |
| 920 | |
| 921 // Now check to see if the handler we are returning is in a now | |
| 922 // deoptimized frame | |
| 923 | |
| 924 if (nm != NULL) { | |
| 925 RegisterMap map(thread, false); | |
| 926 frame caller = thread->last_frame().sender(&map); | |
| 927 #ifdef ASSERT | |
| 928 assert(caller.is_compiled_frame(), "must be"); | |
| 929 #endif // ASSERT | |
| 930 if (caller.is_deoptimized_frame()) { | |
| 931 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); | |
| 932 } | |
| 933 } | |
| 934 return handler_address; | |
| 935 } | |
| 936 | |
| 937 //------------------------------rethrow---------------------------------------- | |
| 938 // We get here after compiled code has executed a 'RethrowNode'. The callee | |
| 939 // is either throwing or rethrowing an exception. The callee-save registers | |
| 940 // have been restored, synchronized objects have been unlocked and the callee | |
| 941 // stack frame has been removed. The return address was passed in. | |
| 942 // Exception oop is passed as the 1st argument. This routine is then called | |
| 943 // from the stub. On exit, we know where to jump in the caller's code. | |
| 944 // After this C code exits, the stub will pop his frame and end in a jump | |
| 945 // (instead of a return). We enter the caller's default handler. | |
| 946 // | |
| 947 // This must be JRT_LEAF: | |
| 948 // - caller will not change its state as we cannot block on exit, | |
| 949 // therefore raw_exception_handler_for_return_address is all it takes | |
| 950 // to handle deoptimized blobs | |
| 951 // | |
| 952 // However, there needs to be a safepoint check in the middle! So compiled | |
| 953 // safepoints are completely watertight. | |
| 954 // | |
| 955 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. | |
| 956 // | |
| 957 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* | |
| 958 // | |
| 959 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { | |
| 960 #ifndef PRODUCT | |
| 961 SharedRuntime::_rethrow_ctr++; // count rethrows | |
| 962 #endif | |
| 963 assert (exception != NULL, "should have thrown a NULLPointerException"); | |
| 964 #ifdef ASSERT | |
| 1142 | 965 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
| 0 | 966 // should throw an exception here |
| 967 ShouldNotReachHere(); | |
| 968 } | |
| 969 #endif | |
| 970 | |
| 971 thread->set_vm_result(exception); | |
| 972 // Frame not compiled (handles deoptimization blob) | |
| 1295 | 973 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); |
| 0 | 974 } |
| 975 | |
| 976 | |
| 977 const TypeFunc *OptoRuntime::rethrow_Type() { | |
| 978 // create input type (domain) | |
| 979 const Type **fields = TypeTuple::fields(1); | |
| 980 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 981 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 982 | |
| 983 // create result type (range) | |
| 984 fields = TypeTuple::fields(1); | |
| 985 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop | |
| 986 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); | |
| 987 | |
| 988 return TypeFunc::make(domain, range); | |
| 989 } | |
| 990 | |
| 991 | |
| 992 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { | |
| 993 // Deoptimize frame | |
| 994 if (doit) { | |
| 995 // Called from within the owner thread, so no need for safepoint | |
| 996 RegisterMap reg_map(thread); | |
| 997 frame stub_frame = thread->last_frame(); | |
| 998 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); | |
| 999 frame caller_frame = stub_frame.sender(®_map); | |
| 1000 | |
|
1213
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1166
diff
changeset
|
1001 // bypass VM_DeoptimizeFrame and deoptimize the frame directly |
|
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1166
diff
changeset
|
1002 Deoptimization::deoptimize_frame(thread, caller_frame.id()); |
| 0 | 1003 } |
| 1004 } | |
| 1005 | |
| 1006 | |
| 1007 const TypeFunc *OptoRuntime::register_finalizer_Type() { | |
| 1008 // create input type (domain) | |
| 1009 const Type **fields = TypeTuple::fields(1); | |
| 1010 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver | |
| 1011 // // The JavaThread* is passed to each routine as the last argument | |
| 1012 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread | |
| 1013 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); | |
| 1014 | |
| 1015 // create result type (range) | |
| 1016 fields = TypeTuple::fields(0); | |
| 1017 | |
| 1018 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1019 | |
| 1020 return TypeFunc::make(domain,range); | |
| 1021 } | |
| 1022 | |
| 1023 | |
| 1024 //----------------------------------------------------------------------------- | |
| 1025 // Dtrace support. entry and exit probes have the same signature | |
| 1026 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { | |
| 1027 // create input type (domain) | |
| 1028 const Type **fields = TypeTuple::fields(2); | |
| 1029 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
| 1030 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // methodOop; Method we are entering | |
| 1031 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 1032 | |
| 1033 // create result type (range) | |
| 1034 fields = TypeTuple::fields(0); | |
| 1035 | |
| 1036 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1037 | |
| 1038 return TypeFunc::make(domain,range); | |
| 1039 } | |
| 1040 | |
| 1041 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { | |
| 1042 // create input type (domain) | |
| 1043 const Type **fields = TypeTuple::fields(2); | |
| 1044 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage | |
| 1045 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object | |
| 1046 | |
| 1047 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); | |
| 1048 | |
| 1049 // create result type (range) | |
| 1050 fields = TypeTuple::fields(0); | |
| 1051 | |
| 1052 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); | |
| 1053 | |
| 1054 return TypeFunc::make(domain,range); | |
| 1055 } | |
| 1056 | |
| 1057 | |
| 1058 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) | |
| 1059 assert(obj->is_oop(), "must be a valid oop"); | |
| 1060 assert(obj->klass()->klass_part()->has_finalizer(), "shouldn't be here otherwise"); | |
| 1061 instanceKlass::register_finalizer(instanceOop(obj), CHECK); | |
| 1062 JRT_END | |
| 1063 | |
| 1064 //----------------------------------------------------------------------------- | |
| 1065 | |
| 1066 NamedCounter * volatile OptoRuntime::_named_counters = NULL; | |
| 1067 | |
| 1068 // | |
| 1069 // dump the collected NamedCounters. | |
| 1070 // | |
| 1071 void OptoRuntime::print_named_counters() { | |
| 1072 int total_lock_count = 0; | |
| 1073 int eliminated_lock_count = 0; | |
| 1074 | |
| 1075 NamedCounter* c = _named_counters; | |
| 1076 while (c) { | |
| 1077 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { | |
| 1078 int count = c->count(); | |
| 1079 if (count > 0) { | |
| 1080 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; | |
| 1081 if (Verbose) { | |
| 1082 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); | |
| 1083 } | |
| 1084 total_lock_count += count; | |
| 1085 if (eliminated) { | |
| 1086 eliminated_lock_count += count; | |
| 1087 } | |
| 1088 } | |
| 1089 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { | |
| 1090 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); | |
| 1091 if (blc->nonzero()) { | |
| 1092 tty->print_cr("%s", c->name()); | |
| 1093 blc->print_on(tty); | |
| 1094 } | |
| 1095 } | |
| 1096 c = c->next(); | |
| 1097 } | |
| 1098 if (total_lock_count > 0) { | |
| 1099 tty->print_cr("dynamic locks: %d", total_lock_count); | |
| 1100 if (eliminated_lock_count) { | |
| 1101 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, | |
| 1102 (int)(eliminated_lock_count * 100.0 / total_lock_count)); | |
| 1103 } | |
| 1104 } | |
| 1105 } | |
| 1106 | |
| 1107 // | |
| 1108 // Allocate a new NamedCounter. The JVMState is used to generate the | |
| 1109 // name which consists of method@line for the inlining tree. | |
| 1110 // | |
| 1111 | |
| 1112 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { | |
| 1113 int max_depth = youngest_jvms->depth(); | |
| 1114 | |
| 1115 // Visit scopes from youngest to oldest. | |
| 1116 bool first = true; | |
| 1117 stringStream st; | |
| 1118 for (int depth = max_depth; depth >= 1; depth--) { | |
| 1119 JVMState* jvms = youngest_jvms->of_depth(depth); | |
| 1120 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; | |
| 1121 if (!first) { | |
| 1122 st.print(" "); | |
| 1123 } else { | |
| 1124 first = false; | |
| 1125 } | |
| 1126 int bci = jvms->bci(); | |
| 1127 if (bci < 0) bci = 0; | |
| 1128 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); | |
| 1129 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) | |
| 1130 } | |
| 1131 NamedCounter* c; | |
| 1132 if (tag == NamedCounter::BiasedLockingCounter) { | |
| 1133 c = new BiasedLockingNamedCounter(strdup(st.as_string())); | |
| 1134 } else { | |
| 1135 c = new NamedCounter(strdup(st.as_string()), tag); | |
| 1136 } | |
| 1137 | |
| 1138 // atomically add the new counter to the head of the list. We only | |
| 1139 // add counters so this is safe. | |
| 1140 NamedCounter* head; | |
| 1141 do { | |
| 1142 head = _named_counters; | |
| 1143 c->set_next(head); | |
| 1144 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); | |
| 1145 return c; | |
| 1146 } | |
| 1147 | |
| 1148 //----------------------------------------------------------------------------- | |
| 1149 // Non-product code | |
| 1150 #ifndef PRODUCT | |
| 1151 | |
| 1152 int trace_exception_counter = 0; | |
| 1153 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { | |
| 1154 ttyLocker ttyl; | |
| 1155 trace_exception_counter++; | |
| 1156 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); | |
| 1157 exception_oop->print_value(); | |
| 1158 tty->print(" in "); | |
| 1159 CodeBlob* blob = CodeCache::find_blob(exception_pc); | |
| 1160 if (blob->is_nmethod()) { | |
| 1161 ((nmethod*)blob)->method()->print_value(); | |
| 1162 } else if (blob->is_runtime_stub()) { | |
| 1163 tty->print("<runtime-stub>"); | |
| 1164 } else { | |
| 1165 tty->print("<unknown>"); | |
| 1166 } | |
| 1167 tty->print(" at " INTPTR_FORMAT, exception_pc); | |
| 1168 tty->print_cr("]"); | |
| 1169 } | |
| 1170 | |
| 1171 #endif // PRODUCT | |
| 1172 | |
| 1173 | |
| 1174 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 1175 // Called from call sites in compiled code with oop maps (actually safepoints) | |
| 1176 // Zaps dead locals in first java frame. | |
| 1177 // Is entry because may need to lock to generate oop maps | |
| 1178 // Currently, only used for compiler frames, but someday may be used | |
| 1179 // for interpreter frames, too. | |
| 1180 | |
| 1181 int OptoRuntime::ZapDeadCompiledLocals_count = 0; | |
| 1182 | |
| 1183 // avoid pointers to member funcs with these helpers | |
| 1184 static bool is_java_frame( frame* f) { return f->is_java_frame(); } | |
| 1185 static bool is_native_frame(frame* f) { return f->is_native_frame(); } | |
| 1186 | |
| 1187 | |
| 1188 void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread, | |
| 1189 bool (*is_this_the_right_frame_to_zap)(frame*)) { | |
| 1190 assert(JavaThread::current() == thread, "is this needed?"); | |
| 1191 | |
| 1192 if ( !ZapDeadCompiledLocals ) return; | |
| 1193 | |
| 1194 bool skip = false; | |
| 1195 | |
| 1196 if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special | |
| 1197 else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true; | |
| 1198 else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count ) | |
| 1199 warning("starting zapping after skipping"); | |
| 1200 | |
| 1201 if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special | |
| 1202 else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true; | |
| 1203 else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count ) | |
| 1204 warning("about to zap last zap"); | |
| 1205 | |
| 1206 ++ZapDeadCompiledLocals_count; // counts skipped zaps, too | |
| 1207 | |
| 1208 if ( skip ) return; | |
| 1209 | |
| 1210 // find java frame and zap it | |
| 1211 | |
| 1212 for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) { | |
| 1213 if (is_this_the_right_frame_to_zap(sfs.current()) ) { | |
| 1214 sfs.current()->zap_dead_locals(thread, sfs.register_map()); | |
| 1215 return; | |
| 1216 } | |
| 1217 } | |
| 1218 warning("no frame found to zap in zap_dead_Java_locals_C"); | |
| 1219 } | |
| 1220 | |
| 1221 JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread)) | |
| 1222 zap_dead_java_or_native_locals(thread, is_java_frame); | |
| 1223 JRT_END | |
| 1224 | |
| 1225 // The following does not work because for one thing, the | |
| 1226 // thread state is wrong; it expects java, but it is native. | |
| 605 | 1227 // Also, the invariants in a native stub are different and |
| 0 | 1228 // I'm not sure it is safe to have a MachCalRuntimeDirectNode |
| 1229 // in there. | |
| 1230 // So for now, we do not zap in native stubs. | |
| 1231 | |
| 1232 JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread)) | |
| 1233 zap_dead_java_or_native_locals(thread, is_native_frame); | |
| 1234 JRT_END | |
| 1235 | |
| 1236 # endif |