Mercurial > hg > truffle
annotate src/share/vm/graal/graalRuntime.cpp @ 9573:a79e8020ad4b
added Stub.decipher() to print information about values in stubs
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 06 May 2013 13:49:20 +0200 |
| parents | 3d3da5a588bb |
| children | df3aa336a313 |
| rev | line source |
|---|---|
| 7221 | 1 /* |
| 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 #include "precompiled.hpp" | |
| 7735 | 25 #include "asm/codeBuffer.hpp" |
| 7221 | 26 #include "graal/graalRuntime.hpp" |
| 27 #include "graal/graalVMToCompiler.hpp" | |
| 7735 | 28 #include "memory/oopFactory.hpp" |
| 29 #include "prims/jvm.h" | |
| 7221 | 30 #include "runtime/biasedLocking.hpp" |
| 7735 | 31 #include "runtime/interfaceSupport.hpp" |
|
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32 #include "utilities/debug.hpp" |
| 7221 | 33 // Implementation of GraalStubAssembler |
| 34 | |
| 35 GraalStubAssembler::GraalStubAssembler(CodeBuffer* code, const char * name, int stub_id) : MacroAssembler(code) { | |
| 36 _name = name; | |
| 37 _must_gc_arguments = false; | |
| 38 _frame_size = no_frame_size; | |
| 39 _num_rt_args = 0; | |
| 40 _stub_id = stub_id; | |
| 41 } | |
| 42 | |
| 43 | |
| 44 void GraalStubAssembler::set_info(const char* name, bool must_gc_arguments) { | |
| 45 _name = name; | |
| 46 _must_gc_arguments = must_gc_arguments; | |
| 47 } | |
| 48 | |
| 49 | |
| 50 void GraalStubAssembler::set_frame_size(int size) { | |
| 51 if (_frame_size == no_frame_size) { | |
| 52 _frame_size = size; | |
| 53 } | |
| 54 assert(_frame_size == size, "can't change the frame size"); | |
| 55 } | |
| 56 | |
| 57 | |
| 58 void GraalStubAssembler::set_num_rt_args(int args) { | |
| 59 if (_num_rt_args == 0) { | |
| 60 _num_rt_args = args; | |
| 61 } | |
| 62 assert(_num_rt_args == args, "can't change the number of args"); | |
| 63 } | |
| 64 | |
| 65 // Implementation of GraalRuntime | |
| 66 | |
| 67 CodeBlob* GraalRuntime::_blobs[GraalRuntime::number_of_ids]; | |
| 68 const char *GraalRuntime::_blob_names[] = { | |
| 69 GRAAL_STUBS(STUB_NAME, LAST_STUB_NAME) | |
| 70 }; | |
| 71 | |
| 72 // Simple helper to see if the caller of a runtime stub which | |
| 73 // entered the VM has been deoptimized | |
| 74 | |
| 75 static bool caller_is_deopted() { | |
| 76 JavaThread* thread = JavaThread::current(); | |
| 77 RegisterMap reg_map(thread, false); | |
| 78 frame runtime_frame = thread->last_frame(); | |
| 79 frame caller_frame = runtime_frame.sender(®_map); | |
| 80 assert(caller_frame.is_compiled_frame(), "must be compiled"); | |
| 81 return caller_frame.is_deoptimized_frame(); | |
| 82 } | |
| 83 | |
| 84 // Stress deoptimization | |
| 85 static void deopt_caller() { | |
| 86 if ( !caller_is_deopted()) { | |
| 87 JavaThread* thread = JavaThread::current(); | |
| 88 RegisterMap reg_map(thread, false); | |
| 89 frame runtime_frame = thread->last_frame(); | |
| 90 frame caller_frame = runtime_frame.sender(®_map); | |
| 91 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); | |
| 92 assert(caller_is_deopted(), "Must be deoptimized"); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 static bool setup_code_buffer(CodeBuffer* code) { | |
| 97 // Preinitialize the consts section to some large size: | |
| 98 int locs_buffer_size = 1 * (relocInfo::length_limit + sizeof(relocInfo)); | |
| 99 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); | |
| 100 code->insts()->initialize_shared_locs((relocInfo*)locs_buffer, | |
| 101 locs_buffer_size / sizeof(relocInfo)); | |
| 102 | |
| 103 // Global stubs have neither constants nor local stubs | |
| 104 code->initialize_consts_size(0); | |
| 105 code->initialize_stubs_size(0); | |
| 106 | |
| 107 return true; | |
| 108 } | |
| 109 | |
| 110 void GraalRuntime::generate_blob_for(BufferBlob* buffer_blob, StubID id) { | |
| 111 assert(0 <= id && id < number_of_ids, "illegal stub id"); | |
| 112 ResourceMark rm; | |
| 113 // create code buffer for code storage | |
| 114 CodeBuffer code(buffer_blob); | |
| 115 | |
| 116 setup_code_buffer(&code); | |
| 117 | |
| 118 // create assembler for code generation | |
| 119 GraalStubAssembler* sasm = new GraalStubAssembler(&code, name_for(id), id); | |
| 120 // generate code for runtime stub | |
| 121 OopMapSet* oop_maps; | |
| 122 oop_maps = generate_code_for(id, sasm); | |
| 7226 | 123 assert(oop_maps == NULL || sasm->frame_size() != GraalStubAssembler::no_frame_size, |
| 7221 | 124 "if stub has an oop map it must have a valid frame size"); |
| 125 | |
| 126 #ifdef ASSERT | |
| 127 // Make sure that stubs that need oopmaps have them | |
| 128 switch (id) { | |
| 129 // These stubs don't need to have an oopmap | |
| 130 #if defined(SPARC) || defined(PPC) | |
|
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131 case handle_exception_nofpu_id: // Unused on sparc |
| 7221 | 132 #endif |
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133 case verify_oop_id: |
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134 case OSR_migration_end_id: |
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135 case arithmetic_frem_id: |
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diff
changeset
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136 case arithmetic_drem_id: |
| 7221 | 137 break; |
| 138 // All other stubs should have oopmaps | |
| 139 default: | |
| 140 assert(oop_maps != NULL, "must have an oopmap"); | |
| 141 } | |
| 142 #endif | |
| 143 | |
| 144 // align so printing shows nop's instead of random code at the end (SimpleStubs are aligned) | |
| 145 sasm->align(BytesPerWord); | |
| 146 // make sure all code is in code buffer | |
| 147 sasm->flush(); | |
| 148 // create blob - distinguish a few special cases | |
| 149 CodeBlob* blob = RuntimeStub::new_runtime_stub(name_for(id), | |
| 150 &code, | |
| 151 CodeOffsets::frame_never_safe, | |
| 152 sasm->frame_size(), | |
| 153 oop_maps, | |
| 154 sasm->must_gc_arguments()); | |
| 155 // install blob | |
| 156 assert(blob != NULL, "blob must exist"); | |
| 157 _blobs[id] = blob; | |
| 158 } | |
| 159 | |
| 160 | |
| 161 void GraalRuntime::initialize(BufferBlob* blob) { | |
| 162 // generate stubs | |
| 163 for (int id = 0; id < number_of_ids; id++) generate_blob_for(blob, (StubID)id); | |
| 164 // printing | |
| 165 #ifndef PRODUCT | |
| 7226 | 166 if (GraalPrintSimpleStubs) { |
| 7221 | 167 ResourceMark rm; |
| 168 for (int id = 0; id < number_of_ids; id++) { | |
| 169 _blobs[id]->print(); | |
| 170 if (_blobs[id]->oop_maps() != NULL) { | |
| 171 _blobs[id]->oop_maps()->print(); | |
| 172 } | |
| 173 } | |
| 174 } | |
| 175 #endif | |
| 176 } | |
| 177 | |
| 178 | |
| 179 CodeBlob* GraalRuntime::blob_for(StubID id) { | |
| 180 assert(0 <= id && id < number_of_ids, "illegal stub id"); | |
| 181 return _blobs[id]; | |
| 182 } | |
| 183 | |
| 184 | |
| 185 const char* GraalRuntime::name_for(StubID id) { | |
| 186 assert(0 <= id && id < number_of_ids, "illegal stub id"); | |
| 187 return _blob_names[id]; | |
| 188 } | |
| 189 | |
| 190 const char* GraalRuntime::name_for_address(address entry) { | |
| 191 for (int id = 0; id < number_of_ids; id++) { | |
| 192 if (entry == entry_for((StubID)id)) return name_for((StubID)id); | |
| 193 } | |
| 194 | |
| 195 #define FUNCTION_CASE(a, f) \ | |
| 196 if ((intptr_t)a == CAST_FROM_FN_PTR(intptr_t, f)) return #f | |
| 197 | |
| 198 FUNCTION_CASE(entry, os::javaTimeMillis); | |
| 199 FUNCTION_CASE(entry, os::javaTimeNanos); | |
| 200 FUNCTION_CASE(entry, SharedRuntime::OSR_migration_end); | |
| 201 FUNCTION_CASE(entry, SharedRuntime::d2f); | |
| 202 FUNCTION_CASE(entry, SharedRuntime::d2i); | |
| 203 FUNCTION_CASE(entry, SharedRuntime::d2l); | |
| 204 FUNCTION_CASE(entry, SharedRuntime::dcos); | |
| 205 FUNCTION_CASE(entry, SharedRuntime::dexp); | |
| 206 FUNCTION_CASE(entry, SharedRuntime::dlog); | |
| 207 FUNCTION_CASE(entry, SharedRuntime::dlog10); | |
| 208 FUNCTION_CASE(entry, SharedRuntime::dpow); | |
| 209 FUNCTION_CASE(entry, SharedRuntime::drem); | |
| 210 FUNCTION_CASE(entry, SharedRuntime::dsin); | |
| 211 FUNCTION_CASE(entry, SharedRuntime::dtan); | |
| 212 FUNCTION_CASE(entry, SharedRuntime::f2i); | |
| 213 FUNCTION_CASE(entry, SharedRuntime::f2l); | |
| 214 FUNCTION_CASE(entry, SharedRuntime::frem); | |
| 215 FUNCTION_CASE(entry, SharedRuntime::l2d); | |
| 216 FUNCTION_CASE(entry, SharedRuntime::l2f); | |
| 217 FUNCTION_CASE(entry, SharedRuntime::ldiv); | |
| 218 FUNCTION_CASE(entry, SharedRuntime::lmul); | |
| 219 FUNCTION_CASE(entry, SharedRuntime::lrem); | |
| 220 FUNCTION_CASE(entry, SharedRuntime::lrem); | |
| 221 FUNCTION_CASE(entry, SharedRuntime::dtrace_method_entry); | |
| 222 FUNCTION_CASE(entry, SharedRuntime::dtrace_method_exit); | |
| 223 #ifdef TRACE_HAVE_INTRINSICS | |
| 224 FUNCTION_CASE(entry, TRACE_TIME_METHOD); | |
| 225 #endif | |
| 226 | |
| 227 ShouldNotReachHere(); | |
| 228 return NULL; | |
| 229 | |
| 230 #undef FUNCTION_CASE | |
| 231 } | |
| 232 | |
| 233 | |
| 234 JRT_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) | |
| 235 assert(klass->is_klass(), "not a class"); | |
| 236 instanceKlassHandle h(thread, klass); | |
| 237 h->check_valid_for_instantiation(true, CHECK); | |
| 238 // make sure klass is initialized | |
| 239 h->initialize(CHECK); | |
| 240 // allocate instance and return via TLS | |
| 241 oop obj = h->allocate_instance(CHECK); | |
| 242 thread->set_vm_result(obj); | |
| 243 JRT_END | |
| 244 | |
| 245 JRT_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) | |
| 246 // Note: no handle for klass needed since they are not used | |
| 247 // anymore after new_objArray() and no GC can happen before. | |
| 248 // (This may have to change if this code changes!) | |
| 249 assert(array_klass->is_klass(), "not a class"); | |
| 250 oop obj; | |
| 251 if (array_klass->oop_is_typeArray()) { | |
| 252 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); | |
| 253 obj = oopFactory::new_typeArray(elt_type, length, CHECK); | |
| 254 } else { | |
| 255 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); | |
| 256 obj = oopFactory::new_objArray(elem_klass, length, CHECK); | |
| 257 } | |
| 258 thread->set_vm_result(obj); | |
| 259 // This is pretty rare but this runtime patch is stressful to deoptimization | |
| 260 // if we deoptimize here so force a deopt to stress the path. | |
| 261 if (DeoptimizeALot) { | |
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262 static int deopts = 0; |
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263 // Alternate between deoptimizing and raising an error (which will also cause a deopt) |
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264 if (deopts++ % 2 == 0) { |
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265 ResourceMark rm(THREAD); |
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266 THROW(vmSymbols::java_lang_OutOfMemoryError()); |
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267 } else { |
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268 deopt_caller(); |
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269 } |
| 7221 | 270 } |
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271 JRT_END |
| 7221 | 272 |
| 273 JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) | |
| 274 assert(klass->is_klass(), "not a class"); | |
| 275 assert(rank >= 1, "rank must be nonzero"); | |
| 276 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); | |
| 277 thread->set_vm_result(obj); | |
| 278 JRT_END | |
| 279 | |
| 280 JRT_ENTRY(void, GraalRuntime::unimplemented_entry(JavaThread* thread, StubID id)) | |
| 281 tty->print_cr("GraalRuntime::entry_for(%d) returned unimplemented entry point", id); | |
| 282 JRT_END | |
| 283 | |
| 284 extern void vm_exit(int code); | |
| 285 | |
| 286 // Enter this method from compiled code handler below. This is where we transition | |
| 287 // to VM mode. This is done as a helper routine so that the method called directly | |
| 288 // from compiled code does not have to transition to VM. This allows the entry | |
| 289 // method to see if the nmethod that we have just looked up a handler for has | |
| 290 // been deoptimized while we were in the vm. This simplifies the assembly code | |
| 291 // cpu directories. | |
| 292 // | |
| 293 // We are entering here from exception stub (via the entry method below) | |
| 294 // If there is a compiled exception handler in this method, we will continue there; | |
| 295 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 296 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to | |
| 297 // control the area where we can allow a safepoint. After we exit the safepoint area we can | |
| 298 // check to see if the handler we are going to return is now in a nmethod that has | |
| 299 // been deoptimized. If that is the case we return the deopt blob | |
| 300 // unpack_with_exception entry instead. This makes life for the exception blob easier | |
| 301 // because making that same check and diverting is painful from assembly language. | |
| 302 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) | |
| 303 // Reset method handle flag. | |
| 304 thread->set_is_method_handle_return(false); | |
| 305 | |
| 306 Handle exception(thread, ex); | |
| 307 nm = CodeCache::find_nmethod(pc); | |
| 308 assert(nm != NULL, "this is not an nmethod"); | |
| 309 // Adjust the pc as needed/ | |
| 310 if (nm->is_deopt_pc(pc)) { | |
| 311 RegisterMap map(thread, false); | |
| 312 frame exception_frame = thread->last_frame().sender(&map); | |
| 313 // if the frame isn't deopted then pc must not correspond to the caller of last_frame | |
| 314 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); | |
| 315 pc = exception_frame.pc(); | |
| 316 } | |
| 317 #ifdef ASSERT | |
| 318 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); | |
| 319 assert(exception->is_oop(), "just checking"); | |
| 320 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError | |
| 321 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { | |
| 322 if (ExitVMOnVerifyError) vm_exit(-1); | |
| 323 ShouldNotReachHere(); | |
| 324 } | |
| 325 #endif | |
| 326 | |
| 327 // Check the stack guard pages and reenable them if necessary and there is | |
| 328 // enough space on the stack to do so. Use fast exceptions only if the guard | |
| 329 // pages are enabled. | |
| 330 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); | |
| 331 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); | |
| 332 | |
| 333 if (JvmtiExport::can_post_on_exceptions()) { | |
| 334 // To ensure correct notification of exception catches and throws | |
| 335 // we have to deoptimize here. If we attempted to notify the | |
| 336 // catches and throws during this exception lookup it's possible | |
| 337 // we could deoptimize on the way out of the VM and end back in | |
| 338 // the interpreter at the throw site. This would result in double | |
| 339 // notifications since the interpreter would also notify about | |
| 340 // these same catches and throws as it unwound the frame. | |
| 341 | |
| 342 RegisterMap reg_map(thread); | |
| 343 frame stub_frame = thread->last_frame(); | |
| 344 frame caller_frame = stub_frame.sender(®_map); | |
| 345 | |
| 346 // We don't really want to deoptimize the nmethod itself since we | |
| 347 // can actually continue in the exception handler ourselves but I | |
| 348 // don't see an easy way to have the desired effect. | |
| 349 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); | |
| 350 assert(caller_is_deopted(), "Must be deoptimized"); | |
| 351 | |
| 352 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); | |
| 353 } | |
| 354 | |
| 355 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions | |
| 356 if (guard_pages_enabled) { | |
| 357 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); | |
| 358 if (fast_continuation != NULL) { | |
| 359 // Set flag if return address is a method handle call site. | |
| 360 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); | |
| 361 return fast_continuation; | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 // If the stack guard pages are enabled, check whether there is a handler in | |
| 366 // the current method. Otherwise (guard pages disabled), force an unwind and | |
| 367 // skip the exception cache update (i.e., just leave continuation==NULL). | |
| 368 address continuation = NULL; | |
| 369 if (guard_pages_enabled) { | |
| 370 | |
| 371 // New exception handling mechanism can support inlined methods | |
| 372 // with exception handlers since the mappings are from PC to PC | |
| 373 | |
| 374 // debugging support | |
| 375 // tracing | |
| 376 if (TraceExceptions) { | |
| 377 ttyLocker ttyl; | |
| 378 ResourceMark rm; | |
| 379 int offset = pc - nm->code_begin(); | |
| 380 tty->print_cr("Exception <%s> (0x%x) thrown in compiled method <%s> at PC " PTR_FORMAT " [" PTR_FORMAT "+%d] for thread 0x%x", | |
| 381 exception->print_value_string(), (address)exception(), nm->method()->print_value_string(), pc, nm->code_begin(), offset, thread); | |
| 382 } | |
| 383 // for AbortVMOnException flag | |
| 384 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 385 | |
| 386 // Clear out the exception oop and pc since looking up an | |
| 387 // exception handler can cause class loading, which might throw an | |
| 388 // exception and those fields are expected to be clear during | |
| 389 // normal bytecode execution. | |
| 390 thread->set_exception_oop(NULL); | |
| 391 thread->set_exception_pc(NULL); | |
| 392 | |
| 393 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); | |
| 394 // If an exception was thrown during exception dispatch, the exception oop may have changed | |
| 395 thread->set_exception_oop(exception()); | |
| 396 thread->set_exception_pc(pc); | |
| 397 | |
| 398 // the exception cache is used only by non-implicit exceptions | |
| 399 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { | |
| 400 nm->add_handler_for_exception_and_pc(exception, pc, continuation); | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 // Set flag if return address is a method handle call site. | |
| 405 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); | |
| 406 | |
| 407 if (TraceExceptions) { | |
| 408 ttyLocker ttyl; | |
| 409 ResourceMark rm; | |
| 410 tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, | |
| 411 thread, continuation, pc); | |
| 412 } | |
| 413 | |
| 414 return continuation; | |
| 415 JRT_END | |
| 416 | |
| 417 // Enter this method from compiled code only if there is a Java exception handler | |
| 418 // in the method handling the exception. | |
| 419 // We are entering here from exception stub. We don't do a normal VM transition here. | |
| 420 // We do it in a helper. This is so we can check to see if the nmethod we have just | |
| 421 // searched for an exception handler has been deoptimized in the meantime. | |
| 422 address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { | |
| 423 oop exception = thread->exception_oop(); | |
| 424 address pc = thread->exception_pc(); | |
| 425 // Still in Java mode | |
| 426 DEBUG_ONLY(ResetNoHandleMark rnhm); | |
| 427 nmethod* nm = NULL; | |
| 428 address continuation = NULL; | |
| 429 { | |
| 430 // Enter VM mode by calling the helper | |
| 431 ResetNoHandleMark rnhm; | |
| 432 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); | |
| 433 } | |
| 434 // Back in JAVA, use no oops DON'T safepoint | |
| 435 | |
| 436 // Now check to see if the nmethod we were called from is now deoptimized. | |
| 437 // If so we must return to the deopt blob and deoptimize the nmethod | |
| 438 if (nm != NULL && caller_is_deopted()) { | |
| 439 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); | |
| 440 } | |
| 441 | |
| 442 assert(continuation != NULL, "no handler found"); | |
| 443 return continuation; | |
| 444 } | |
| 445 | |
|
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446 JRT_ENTRY(void, GraalRuntime::create_null_exception(JavaThread* thread)) |
| 7221 | 447 thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_NullPointerException(), NULL)()); |
| 448 JRT_END | |
| 449 | |
|
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|
450 JRT_ENTRY(void, GraalRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) |
| 7221 | 451 char message[jintAsStringSize]; |
| 452 sprintf(message, "%d", index); | |
| 453 thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message)()); | |
| 454 JRT_END | |
| 455 | |
|
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|
456 JRT_ENTRY_NO_ASYNC(void, GraalRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
| 7221 | 457 if (TraceGraal >= 3) { |
| 458 char type[O_BUFLEN]; | |
| 459 obj->klass()->name()->as_C_string(type, O_BUFLEN); | |
| 460 markOop mark = obj->mark(); | |
| 461 tty->print_cr("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, mark, lock); | |
| 462 tty->flush(); | |
| 463 } | |
| 464 #ifdef ASSERT | |
| 465 if (PrintBiasedLockingStatistics) { | |
| 466 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); | |
| 467 } | |
| 468 #endif | |
| 469 Handle h_obj(thread, obj); | |
| 470 assert(h_obj()->is_oop(), "must be NULL or an object"); | |
| 471 if (UseBiasedLocking) { | |
| 472 // Retry fast entry if bias is revoked to avoid unnecessary inflation | |
| 473 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); | |
| 474 } else { | |
| 7226 | 475 if (GraalUseFastLocking) { |
| 7221 | 476 // When using fast locking, the compiled code has already tried the fast case |
| 477 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); | |
| 478 } else { | |
| 479 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); | |
| 480 } | |
| 481 } | |
| 482 if (TraceGraal >= 3) { | |
| 483 tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), obj); | |
| 484 } | |
| 485 JRT_END | |
| 486 | |
| 8506 | 487 JRT_LEAF(void, GraalRuntime::wb_pre_call(JavaThread* thread, oopDesc* obj)) |
|
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-Create push patch
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diff
changeset
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488 thread->satb_mark_queue().enqueue(obj); |
|
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489 JRT_END |
|
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490 |
| 8506 | 491 JRT_LEAF(void, GraalRuntime::wb_post_call(JavaThread* thread, oopDesc* obj, void* card_addr)) |
|
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492 thread->dirty_card_queue().enqueue(card_addr); |
|
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493 JRT_END |
| 7221 | 494 |
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495 JRT_LEAF(void, GraalRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
| 7221 | 496 assert(thread == JavaThread::current(), "threads must correspond"); |
| 497 assert(thread->last_Java_sp(), "last_Java_sp must be set"); | |
| 498 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown | |
| 499 EXCEPTION_MARK; | |
| 500 | |
| 501 #ifdef DEBUG | |
| 502 if (!obj->is_oop()) { | |
| 503 ResetNoHandleMark rhm; | |
| 504 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); | |
| 505 if (method != NULL) { | |
| 506 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), obj); | |
| 507 } | |
| 508 thread->print_stack_on(tty); | |
| 509 assert(false, "invalid lock object pointer dected"); | |
| 510 } | |
| 511 #endif | |
| 512 | |
| 7226 | 513 if (GraalUseFastLocking) { |
| 7221 | 514 // When using fast locking, the compiled code has already tried the fast case |
| 515 ObjectSynchronizer::slow_exit(obj, lock, THREAD); | |
| 516 } else { | |
| 517 ObjectSynchronizer::fast_exit(obj, lock, THREAD); | |
| 518 } | |
| 519 if (TraceGraal >= 3) { | |
| 520 char type[O_BUFLEN]; | |
| 521 obj->klass()->name()->as_C_string(type, O_BUFLEN); | |
| 522 tty->print_cr("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, obj->mark(), lock); | |
| 523 tty->flush(); | |
| 524 } | |
| 525 JRT_END | |
| 526 | |
|
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527 JRT_ENTRY(void, GraalRuntime::log_object(JavaThread* thread, oop obj, jint flags)) |
| 7221 | 528 bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); |
| 529 bool address = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); | |
| 530 bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); | |
| 531 if (!string) { | |
| 532 if (!address && obj->is_oop_or_null(true)) { | |
| 533 char buf[O_BUFLEN]; | |
| 534 tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), obj); | |
| 535 } else { | |
| 536 tty->print("%p", obj); | |
| 537 } | |
| 538 } else { | |
| 539 ResourceMark rm; | |
| 540 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); | |
| 541 char *buf = java_lang_String::as_utf8_string(obj); | |
| 542 tty->print(buf); | |
| 543 } | |
| 544 if (newline) { | |
| 545 tty->cr(); | |
| 546 } | |
| 547 JRT_END | |
| 548 | |
|
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549 JRT_ENTRY(void, GraalRuntime::vm_error(JavaThread* thread, oop where, oop format, jlong value)) |
| 7221 | 550 ResourceMark rm; |
| 551 assert(where == NULL || java_lang_String::is_instance(where), "must be"); | |
| 552 const char *error_msg = where == NULL ? "<internal Graal error>" : java_lang_String::as_utf8_string(where); | |
| 553 char *detail_msg = NULL; | |
| 554 if (format != NULL) { | |
| 555 const char* buf = java_lang_String::as_utf8_string(format); | |
| 556 size_t detail_msg_length = strlen(buf) * 2; | |
| 557 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); | |
| 558 jio_snprintf(detail_msg, detail_msg_length, buf, value); | |
| 559 } | |
| 560 report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); | |
| 561 JRT_END | |
| 562 | |
| 8506 | 563 |
| 564 JRT_LEAF(void, GraalRuntime::log_printf(JavaThread* thread, oop format, jlong v1, jlong v2, jlong v3)) | |
| 7221 | 565 ResourceMark rm; |
| 566 assert(format != NULL && java_lang_String::is_instance(format), "must be"); | |
| 567 char *buf = java_lang_String::as_utf8_string(format); | |
|
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568 tty->print(buf, v1, v2, v3); |
| 7221 | 569 JRT_END |
| 570 | |
|
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571 static void decipher(jlong v, bool ignoreZero) { |
|
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572 if (v != 0 || !ignoreZero) { |
|
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573 void* p = (void *)(address) v; |
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574 CodeBlob* cb = CodeCache::find_blob(p); |
|
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575 if (cb) { |
|
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576 if (cb->is_nmethod()) { |
|
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577 char buf[O_BUFLEN]; |
|
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578 tty->print("%s [%p+%d]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), cb->code_begin(), (address)v - cb->code_begin()); |
|
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579 return; |
|
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580 } |
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581 cb->print_value_on(tty); |
|
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582 return; |
|
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583 } |
|
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584 if (Universe::heap()->is_in(p)) { |
|
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585 oop obj = oop(p); |
|
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586 obj->print_value_on(tty); |
|
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587 return; |
|
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588 } |
|
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589 tty->print("%p [long: %d, double %f, char %c]", v, v, v, v); |
|
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|
590 } |
|
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591 } |
|
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|
592 |
|
9471
5fa54bf57f8c
replaced exception_handler_nofpu assembler stub with a compiled stub (GRAAL-81)
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diff
changeset
|
593 JRT_LEAF(void, GraalRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) |
|
9232
bb2447c64055
strings used in compiled stubs are lowered to malloc'ed C strings so that there are no embedded oops (for the strings) in the resulting installed code
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parents:
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diff
changeset
|
594 ResourceMark rm; |
|
bb2447c64055
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8506
diff
changeset
|
595 char *buf = (char*) (address) format; |
|
9471
5fa54bf57f8c
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diff
changeset
|
596 if (vmError) { |
|
9573
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changeset
|
597 if (buf != NULL) { |
|
a79e8020ad4b
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|
598 fatal(err_msg(buf, v1, v2, v3)); |
|
a79e8020ad4b
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599 } else { |
|
a79e8020ad4b
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|
600 fatal("<anonymous error>"); |
|
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601 } |
|
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changeset
|
602 } else if (buf != NULL) { |
|
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changeset
|
603 tty->print(buf, v1, v2, v3); |
|
9471
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replaced exception_handler_nofpu assembler stub with a compiled stub (GRAAL-81)
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changeset
|
604 } else { |
|
9573
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changeset
|
605 assert(v2 == 0, "v2 != 0"); |
|
a79e8020ad4b
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|
606 assert(v3 == 0, "v3 != 0"); |
|
a79e8020ad4b
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diff
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|
607 decipher(v1, false); |
|
9471
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9457
diff
changeset
|
608 } |
|
9232
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parents:
8506
diff
changeset
|
609 JRT_END |
|
bb2447c64055
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parents:
8506
diff
changeset
|
610 |
|
7911
983f7bdb85ff
removed redundant graal_ prefix from Graal specific functions and variable in native code
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diff
changeset
|
611 JRT_ENTRY(void, GraalRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) |
| 7221 | 612 union { |
| 613 jlong l; | |
| 614 jdouble d; | |
| 615 jfloat f; | |
| 616 } uu; | |
| 617 uu.l = value; | |
| 618 switch (typeChar) { | |
| 619 case 'z': tty->print(value == 0 ? "false" : "true"); break; | |
| 620 case 'b': tty->print("%d", (jbyte) value); break; | |
| 621 case 'c': tty->print("%c", (jchar) value); break; | |
| 622 case 's': tty->print("%d", (jshort) value); break; | |
| 623 case 'i': tty->print("%d", (jint) value); break; | |
| 624 case 'f': tty->print("%f", uu.f); break; | |
| 625 case 'j': tty->print(INT64_FORMAT, value); break; | |
| 626 case 'd': tty->print("%lf", uu.d); break; | |
| 627 default: assert(false, "unknown typeChar"); break; | |
| 628 } | |
| 629 if (newline) { | |
| 630 tty->cr(); | |
| 631 } | |
| 632 JRT_END | |
| 633 | |
|
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diff
changeset
|
634 JRT_ENTRY(jint, GraalRuntime::identity_hash_code(JavaThread* thread, oop obj)) |
| 7221 | 635 return (jint) obj->identity_hash(); |
| 636 JRT_END | |
| 637 | |
|
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
638 JRT_ENTRY(jboolean, GraalRuntime::thread_is_interrupted(JavaThread* thread, oop receiver, jboolean clear_interrupted)) |
|
7220
fcae6d960acd
added more compiler intrinsics
Christian Haeubl <haeubl@ssw.jku.at>
parents:
7216
diff
changeset
|
639 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate |
|
fcae6d960acd
added more compiler intrinsics
Christian Haeubl <haeubl@ssw.jku.at>
parents:
7216
diff
changeset
|
640 Handle receiverHandle(thread, receiver); |
|
7386
707e9cca11de
fixed HotSpot windows build
Christian Haeubl <haeubl@ssw.jku.at>
parents:
7235
diff
changeset
|
641 MutexLockerEx ml(thread->threadObj() == receiver ? NULL : Threads_lock); |
|
707e9cca11de
fixed HotSpot windows build
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parents:
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diff
changeset
|
642 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); |
|
707e9cca11de
fixed HotSpot windows build
Christian Haeubl <haeubl@ssw.jku.at>
parents:
7235
diff
changeset
|
643 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); |
| 7221 | 644 JRT_END |
| 645 | |
| 646 // JVM_InitializeGraalRuntime | |
| 647 JVM_ENTRY(jobject, JVM_InitializeGraalRuntime(JNIEnv *env, jclass graalclass)) | |
| 648 return VMToCompiler::graalRuntimePermObject(); | |
| 649 JVM_END |