Mercurial > hg > truffle
annotate src/share/vm/code/codeBlob.cpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | 5d0bb7d52783 |
| children | b8f261ba79c6 |
| rev | line source |
|---|---|
| 7066 | 1 /* |
| 2 * Copyright (c) 1998, 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 | |
| 25 #include "precompiled.hpp" | |
| 26 #include "code/codeBlob.hpp" | |
| 27 #include "code/codeCache.hpp" | |
| 28 #include "code/relocInfo.hpp" | |
| 29 #include "compiler/disassembler.hpp" | |
| 30 #include "interpreter/bytecode.hpp" | |
| 31 #include "memory/allocation.inline.hpp" | |
| 32 #include "memory/heap.hpp" | |
| 33 #include "oops/oop.inline.hpp" | |
| 34 #include "prims/forte.hpp" | |
| 35 #include "runtime/handles.inline.hpp" | |
| 36 #include "runtime/interfaceSupport.hpp" | |
| 37 #include "runtime/mutexLocker.hpp" | |
| 38 #include "runtime/safepoint.hpp" | |
| 39 #include "runtime/sharedRuntime.hpp" | |
| 40 #include "runtime/vframe.hpp" | |
| 41 #include "services/memoryService.hpp" | |
| 42 #include "utilities/machineCodePrinter.hpp" | |
| 43 #ifdef TARGET_ARCH_x86 | |
| 44 # include "nativeInst_x86.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_ARCH_sparc | |
| 47 # include "nativeInst_sparc.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_ARCH_zero | |
| 50 # include "nativeInst_zero.hpp" | |
| 51 #endif | |
| 52 #ifdef TARGET_ARCH_arm | |
| 53 # include "nativeInst_arm.hpp" | |
| 54 #endif | |
| 55 #ifdef TARGET_ARCH_ppc | |
| 56 # include "nativeInst_ppc.hpp" | |
| 57 #endif | |
| 58 #ifdef COMPILER1 | |
| 59 #include "c1/c1_Runtime1.hpp" | |
| 60 #endif | |
| 61 | |
| 62 unsigned int align_code_offset(int offset) { | |
| 63 // align the size to CodeEntryAlignment | |
| 64 return | |
| 65 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) | |
| 66 - (int)CodeHeap::header_size(); | |
| 67 } | |
| 68 | |
| 69 | |
| 70 // This must be consistent with the CodeBlob constructor's layout actions. | |
| 71 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { | |
| 72 unsigned int size = header_size; | |
| 73 size += round_to(cb->total_relocation_size(), oopSize); | |
| 74 // align the size to CodeEntryAlignment | |
| 75 size = align_code_offset(size); | |
| 76 size += round_to(cb->total_content_size(), oopSize); | |
| 77 size += round_to(cb->total_oop_size(), oopSize); | |
| 78 size += round_to(cb->total_metadata_size(), oopSize); | |
| 79 return size; | |
| 80 } | |
| 81 | |
| 82 | |
| 83 // Creates a simple CodeBlob. Sets up the size of the different regions. | |
| 84 CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { | |
| 85 assert(size == round_to(size, oopSize), "unaligned size"); | |
| 86 assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); | |
| 87 assert(header_size == round_to(header_size, oopSize), "unaligned size"); | |
| 88 assert(!UseRelocIndex, "no space allocated for reloc index yet"); | |
| 89 | |
| 90 // Note: If UseRelocIndex is enabled, there needs to be (at least) one | |
| 91 // extra word for the relocation information, containing the reloc | |
| 92 // index table length. Unfortunately, the reloc index table imple- | |
| 93 // mentation is not easily understandable and thus it is not clear | |
| 94 // what exactly the format is supposed to be. For now, we just turn | |
| 95 // off the use of this table (gri 7/6/2000). | |
| 96 | |
| 97 _name = name; | |
| 98 _size = size; | |
| 99 _frame_complete_offset = frame_complete; | |
| 100 _header_size = header_size; | |
| 101 _relocation_size = locs_size; | |
| 102 _content_offset = align_code_offset(header_size + _relocation_size); | |
| 103 _code_offset = _content_offset; | |
| 104 _data_offset = size; | |
| 105 _frame_size = 0; | |
| 106 set_oop_maps(NULL); | |
| 107 } | |
| 108 | |
| 109 | |
| 110 // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, | |
| 111 // and copy code and relocation info. | |
| 112 CodeBlob::CodeBlob( | |
| 113 const char* name, | |
| 114 CodeBuffer* cb, | |
| 115 int header_size, | |
| 116 int size, | |
| 117 int frame_complete, | |
| 118 int frame_size, | |
| 119 OopMapSet* oop_maps | |
| 120 ) { | |
| 121 assert(size == round_to(size, oopSize), "unaligned size"); | |
| 122 assert(header_size == round_to(header_size, oopSize), "unaligned size"); | |
| 123 | |
| 124 _name = name; | |
| 125 _size = size; | |
| 126 _frame_complete_offset = frame_complete; | |
| 127 _header_size = header_size; | |
| 128 _relocation_size = round_to(cb->total_relocation_size(), oopSize); | |
| 129 _content_offset = align_code_offset(header_size + _relocation_size); | |
| 130 _code_offset = _content_offset + cb->total_offset_of(cb->insts()); | |
| 131 _data_offset = _content_offset + round_to(cb->total_content_size(), oopSize); | |
| 132 assert(_data_offset <= size, "codeBlob is too small"); | |
| 133 | |
| 134 cb->copy_code_and_locs_to(this); | |
| 135 set_oop_maps(oop_maps); | |
| 136 _frame_size = frame_size; | |
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137 #if defined(COMPILER1) || defined(GRAAL) |
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138 |
| 7066 | 139 // probably wrong for tiered |
| 140 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); | |
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141 #endif // COMPILER1 || GRAAL |
| 7066 | 142 } |
| 143 | |
| 144 | |
| 145 void CodeBlob::set_oop_maps(OopMapSet* p) { | |
| 146 // Danger Will Robinson! This method allocates a big | |
| 147 // chunk of memory, its your job to free it. | |
| 148 if (p != NULL) { | |
| 149 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps | |
| 150 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode); | |
| 151 p->copy_to((address)_oop_maps); | |
| 152 } else { | |
| 153 _oop_maps = NULL; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 | |
| 158 void CodeBlob::trace_new_stub(CodeBlob* stub, const char* name1, const char* name2) { | |
| 159 // Do not hold the CodeCache lock during name formatting. | |
| 160 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub"); | |
| 161 | |
| 162 if (stub != NULL) { | |
| 163 char stub_id[256]; | |
| 164 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), ""); | |
| 165 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2); | |
| 166 if (PrintStubCode) { | |
| 167 ttyLocker ttyl; | |
| 168 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub); | |
| 169 Disassembler::decode(stub->code_begin(), stub->code_end()); | |
| 170 tty->cr(); | |
| 171 } | |
| 172 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); | |
| 173 | |
| 174 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 175 const char* stub_name = name2; | |
| 176 if (name2[0] == '\0') stub_name = name1; | |
| 177 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); | |
| 178 } | |
| 179 } | |
| 180 | |
| 181 // Track memory usage statistic after releasing CodeCache_lock | |
| 182 MemoryService::track_code_cache_memory_usage(); | |
| 183 } | |
| 184 | |
| 185 | |
| 186 void CodeBlob::flush() { | |
| 187 if (_oop_maps) { | |
| 188 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps, mtCode); | |
| 189 _oop_maps = NULL; | |
| 190 } | |
| 191 _comments.free(); | |
| 192 } | |
| 193 | |
| 194 | |
| 195 OopMap* CodeBlob::oop_map_for_return_address(address return_address) { | |
| 196 assert(oop_maps() != NULL, "nope"); | |
| 197 return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); | |
| 198 } | |
| 199 | |
| 200 | |
| 201 //---------------------------------------------------------------------------------------------------- | |
| 202 // Implementation of BufferBlob | |
| 203 | |
| 204 | |
| 205 BufferBlob::BufferBlob(const char* name, int size) | |
| 206 : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) | |
| 207 {} | |
| 208 | |
| 209 BufferBlob* BufferBlob::create(const char* name, int buffer_size) { | |
| 210 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 211 | |
| 212 BufferBlob* blob = NULL; | |
| 213 unsigned int size = sizeof(BufferBlob); | |
| 214 // align the size to CodeEntryAlignment | |
| 215 size = align_code_offset(size); | |
| 216 size += round_to(buffer_size, oopSize); | |
| 217 assert(name != NULL, "must provide a name"); | |
| 218 { | |
| 219 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 220 blob = new (size) BufferBlob(name, size); | |
| 221 } | |
| 222 // Track memory usage statistic after releasing CodeCache_lock | |
| 223 MemoryService::track_code_cache_memory_usage(); | |
| 224 | |
| 225 return blob; | |
| 226 } | |
| 227 | |
| 228 | |
| 229 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) | |
| 230 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) | |
| 231 {} | |
| 232 | |
| 233 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { | |
| 234 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 235 | |
| 236 BufferBlob* blob = NULL; | |
| 237 unsigned int size = allocation_size(cb, sizeof(BufferBlob)); | |
| 238 assert(name != NULL, "must provide a name"); | |
| 239 { | |
| 240 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 241 blob = new (size) BufferBlob(name, size, cb); | |
| 242 } | |
| 243 // Track memory usage statistic after releasing CodeCache_lock | |
| 244 MemoryService::track_code_cache_memory_usage(); | |
| 245 | |
| 246 return blob; | |
| 247 } | |
| 248 | |
| 249 | |
| 250 void* BufferBlob::operator new(size_t s, unsigned size) { | |
| 251 void* p = CodeCache::allocate(size); | |
| 252 return p; | |
| 253 } | |
| 254 | |
| 255 | |
| 256 void BufferBlob::free( BufferBlob *blob ) { | |
| 257 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 258 { | |
| 259 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 260 CodeCache::free((CodeBlob*)blob); | |
| 261 } | |
| 262 // Track memory usage statistic after releasing CodeCache_lock | |
| 263 MemoryService::track_code_cache_memory_usage(); | |
| 264 } | |
| 265 | |
| 266 | |
| 267 //---------------------------------------------------------------------------------------------------- | |
| 268 // Implementation of AdapterBlob | |
| 269 | |
| 270 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : | |
| 271 BufferBlob("I2C/C2I adapters", size, cb) { | |
| 272 CodeCache::commit(this); | |
| 273 } | |
| 274 | |
| 275 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { | |
| 276 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 277 | |
| 278 AdapterBlob* blob = NULL; | |
| 279 unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); | |
| 280 { | |
| 281 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 282 blob = new (size) AdapterBlob(size, cb); | |
| 283 } | |
| 284 // Track memory usage statistic after releasing CodeCache_lock | |
| 285 MemoryService::track_code_cache_memory_usage(); | |
| 286 | |
| 287 return blob; | |
| 288 } | |
| 289 | |
| 290 | |
| 291 //---------------------------------------------------------------------------------------------------- | |
| 292 // Implementation of MethodHandlesAdapterBlob | |
| 293 | |
| 294 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { | |
| 295 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 296 | |
| 297 MethodHandlesAdapterBlob* blob = NULL; | |
| 298 unsigned int size = sizeof(MethodHandlesAdapterBlob); | |
| 299 // align the size to CodeEntryAlignment | |
| 300 size = align_code_offset(size); | |
| 301 size += round_to(buffer_size, oopSize); | |
| 302 { | |
| 303 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 304 blob = new (size) MethodHandlesAdapterBlob(size); | |
| 305 } | |
| 306 // Track memory usage statistic after releasing CodeCache_lock | |
| 307 MemoryService::track_code_cache_memory_usage(); | |
| 308 | |
| 309 return blob; | |
| 310 } | |
| 311 | |
| 312 | |
| 313 //---------------------------------------------------------------------------------------------------- | |
| 314 // Implementation of RuntimeStub | |
| 315 | |
| 316 RuntimeStub::RuntimeStub( | |
| 317 const char* name, | |
| 318 CodeBuffer* cb, | |
| 319 int size, | |
| 320 int frame_complete, | |
| 321 int frame_size, | |
| 322 OopMapSet* oop_maps, | |
| 323 bool caller_must_gc_arguments | |
| 324 ) | |
| 325 : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) | |
| 326 { | |
| 327 _caller_must_gc_arguments = caller_must_gc_arguments; | |
| 328 } | |
| 329 | |
| 330 | |
| 331 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, | |
| 332 CodeBuffer* cb, | |
| 333 int frame_complete, | |
| 334 int frame_size, | |
| 335 OopMapSet* oop_maps, | |
| 336 bool caller_must_gc_arguments) | |
| 337 { | |
| 338 RuntimeStub* stub = NULL; | |
| 339 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 340 { | |
| 341 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 342 unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); | |
| 343 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); | |
| 344 } | |
| 345 | |
| 346 trace_new_stub(stub, "RuntimeStub - ", stub_name); | |
| 347 | |
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348 if (PrintMachineCodeToFile) { |
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349 MachineCodePrinter::print(stub); |
| 7066 | 350 } |
| 351 | |
| 352 return stub; | |
| 353 } | |
| 354 | |
| 355 | |
| 356 void* RuntimeStub::operator new(size_t s, unsigned size) { | |
| 357 void* p = CodeCache::allocate(size); | |
| 358 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 359 return p; | |
| 360 } | |
| 361 | |
| 362 // operator new shared by all singletons: | |
| 363 void* SingletonBlob::operator new(size_t s, unsigned size) { | |
| 364 void* p = CodeCache::allocate(size); | |
| 365 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 366 return p; | |
| 367 } | |
| 368 | |
| 369 | |
| 370 //---------------------------------------------------------------------------------------------------- | |
| 371 // Implementation of DeoptimizationBlob | |
| 372 | |
| 373 DeoptimizationBlob::DeoptimizationBlob( | |
| 374 CodeBuffer* cb, | |
| 375 int size, | |
| 376 OopMapSet* oop_maps, | |
| 377 int unpack_offset, | |
| 378 int unpack_with_exception_offset, | |
| 379 int unpack_with_reexecution_offset, | |
| 380 int frame_size | |
| 381 ) | |
| 382 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) | |
| 383 { | |
| 384 _unpack_offset = unpack_offset; | |
| 385 _unpack_with_exception = unpack_with_exception_offset; | |
| 386 _unpack_with_reexecution = unpack_with_reexecution_offset; | |
| 387 _unpack_with_exception_in_tls = -1; | |
| 388 } | |
| 389 | |
| 390 | |
| 391 DeoptimizationBlob* DeoptimizationBlob::create( | |
| 392 CodeBuffer* cb, | |
| 393 OopMapSet* oop_maps, | |
| 394 int unpack_offset, | |
| 395 int unpack_with_exception_offset, | |
| 396 int unpack_with_reexecution_offset, | |
| 397 int frame_size) | |
| 398 { | |
| 399 DeoptimizationBlob* blob = NULL; | |
| 400 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 401 { | |
| 402 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 403 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); | |
| 404 blob = new (size) DeoptimizationBlob(cb, | |
| 405 size, | |
| 406 oop_maps, | |
| 407 unpack_offset, | |
| 408 unpack_with_exception_offset, | |
| 409 unpack_with_reexecution_offset, | |
| 410 frame_size); | |
| 411 } | |
| 412 | |
| 413 trace_new_stub(blob, "DeoptimizationBlob"); | |
| 414 | |
| 415 return blob; | |
| 416 } | |
| 417 | |
| 418 | |
| 419 //---------------------------------------------------------------------------------------------------- | |
| 420 // Implementation of UncommonTrapBlob | |
| 421 | |
| 422 #ifdef COMPILER2 | |
| 423 UncommonTrapBlob::UncommonTrapBlob( | |
| 424 CodeBuffer* cb, | |
| 425 int size, | |
| 426 OopMapSet* oop_maps, | |
| 427 int frame_size | |
| 428 ) | |
| 429 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) | |
| 430 {} | |
| 431 | |
| 432 | |
| 433 UncommonTrapBlob* UncommonTrapBlob::create( | |
| 434 CodeBuffer* cb, | |
| 435 OopMapSet* oop_maps, | |
| 436 int frame_size) | |
| 437 { | |
| 438 UncommonTrapBlob* blob = NULL; | |
| 439 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 440 { | |
| 441 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 442 unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); | |
| 443 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); | |
| 444 } | |
| 445 | |
| 446 trace_new_stub(blob, "UncommonTrapBlob"); | |
| 447 | |
| 448 return blob; | |
| 449 } | |
| 450 | |
| 451 | |
| 452 #endif // COMPILER2 | |
| 453 | |
| 454 | |
| 455 //---------------------------------------------------------------------------------------------------- | |
| 456 // Implementation of ExceptionBlob | |
| 457 | |
| 458 #ifdef COMPILER2 | |
| 459 ExceptionBlob::ExceptionBlob( | |
| 460 CodeBuffer* cb, | |
| 461 int size, | |
| 462 OopMapSet* oop_maps, | |
| 463 int frame_size | |
| 464 ) | |
| 465 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) | |
| 466 {} | |
| 467 | |
| 468 | |
| 469 ExceptionBlob* ExceptionBlob::create( | |
| 470 CodeBuffer* cb, | |
| 471 OopMapSet* oop_maps, | |
| 472 int frame_size) | |
| 473 { | |
| 474 ExceptionBlob* blob = NULL; | |
| 475 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 476 { | |
| 477 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 478 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); | |
| 479 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); | |
| 480 } | |
| 481 | |
| 482 trace_new_stub(blob, "ExceptionBlob"); | |
| 483 | |
| 484 return blob; | |
| 485 } | |
| 486 | |
| 487 | |
| 488 #endif // COMPILER2 | |
| 489 | |
| 490 | |
| 491 //---------------------------------------------------------------------------------------------------- | |
| 492 // Implementation of SafepointBlob | |
| 493 | |
| 494 SafepointBlob::SafepointBlob( | |
| 495 CodeBuffer* cb, | |
| 496 int size, | |
| 497 OopMapSet* oop_maps, | |
| 498 int frame_size | |
| 499 ) | |
| 500 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) | |
| 501 {} | |
| 502 | |
| 503 | |
| 504 SafepointBlob* SafepointBlob::create( | |
| 505 CodeBuffer* cb, | |
| 506 OopMapSet* oop_maps, | |
| 507 int frame_size) | |
| 508 { | |
| 509 SafepointBlob* blob = NULL; | |
| 510 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 511 { | |
| 512 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 513 unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); | |
| 514 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); | |
| 515 } | |
| 516 | |
| 517 trace_new_stub(blob, "SafepointBlob"); | |
| 518 | |
| 519 return blob; | |
| 520 } | |
| 521 | |
| 522 | |
| 523 //---------------------------------------------------------------------------------------------------- | |
| 524 // Verification and printing | |
| 525 | |
| 526 void CodeBlob::verify() { | |
| 527 ShouldNotReachHere(); | |
| 528 } | |
| 529 | |
| 530 void CodeBlob::print_on(outputStream* st) const { | |
| 531 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this); | |
| 532 st->print_cr("Framesize: %d", _frame_size); | |
| 533 } | |
| 534 | |
| 535 void CodeBlob::print_value_on(outputStream* st) const { | |
| 536 st->print_cr("[CodeBlob]"); | |
| 537 } | |
| 538 | |
| 539 void BufferBlob::verify() { | |
| 540 // unimplemented | |
| 541 } | |
| 542 | |
| 543 void BufferBlob::print_on(outputStream* st) const { | |
| 544 CodeBlob::print_on(st); | |
| 545 print_value_on(st); | |
| 546 } | |
| 547 | |
| 548 void BufferBlob::print_value_on(outputStream* st) const { | |
| 549 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", this, name()); | |
| 550 } | |
| 551 | |
| 552 void RuntimeStub::verify() { | |
| 553 // unimplemented | |
| 554 } | |
| 555 | |
| 556 void RuntimeStub::print_on(outputStream* st) const { | |
| 557 ttyLocker ttyl; | |
| 558 CodeBlob::print_on(st); | |
| 559 st->print("Runtime Stub (" INTPTR_FORMAT "): ", this); | |
| 560 st->print_cr(name()); | |
| 561 Disassembler::decode((CodeBlob*)this, st); | |
| 562 } | |
| 563 | |
| 564 void RuntimeStub::print_value_on(outputStream* st) const { | |
| 565 st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name()); | |
| 566 } | |
| 567 | |
| 568 void SingletonBlob::verify() { | |
| 569 // unimplemented | |
| 570 } | |
| 571 | |
| 572 void SingletonBlob::print_on(outputStream* st) const { | |
| 573 ttyLocker ttyl; | |
| 574 CodeBlob::print_on(st); | |
| 575 st->print_cr(name()); | |
| 576 Disassembler::decode((CodeBlob*)this, st); | |
| 577 } | |
| 578 | |
| 579 void SingletonBlob::print_value_on(outputStream* st) const { | |
| 580 st->print_cr(name()); | |
| 581 } | |
| 582 | |
| 583 void DeoptimizationBlob::print_value_on(outputStream* st) const { | |
| 584 st->print_cr("Deoptimization (frame not available)"); | |
| 585 } |