Mercurial > hg > truffle
annotate src/share/vm/code/codeBlob.cpp @ 1748:3e8fbc61cee8
6978355: renaming for 6961697
Summary: This is the renaming part of 6961697 to keep the actual changes small for review.
Reviewed-by: kvn, never
| author | twisti |
|---|---|
| date | Wed, 25 Aug 2010 05:27:54 -0700 |
| parents | 126ea7725993 |
| children | 0878d7bae69f |
| rev | line source |
|---|---|
| 0 | 1 /* |
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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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_codeBlob.cpp.incl" | |
| 27 | |
| 28 unsigned int align_code_offset(int offset) { | |
| 29 // align the size to CodeEntryAlignment | |
| 30 return | |
| 31 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) | |
| 32 - (int)CodeHeap::header_size(); | |
| 33 } | |
| 34 | |
| 35 | |
| 36 // This must be consistent with the CodeBlob constructor's layout actions. | |
| 37 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { | |
| 38 unsigned int size = header_size; | |
| 39 size += round_to(cb->total_relocation_size(), oopSize); | |
| 40 // align the size to CodeEntryAlignment | |
| 41 size = align_code_offset(size); | |
| 1748 | 42 size += round_to(cb->total_content_size(), oopSize); |
| 0 | 43 size += round_to(cb->total_oop_size(), oopSize); |
| 44 return size; | |
| 45 } | |
| 46 | |
| 47 | |
| 48 // Creates a simple CodeBlob. Sets up the size of the different regions. | |
| 49 CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { | |
| 1748 | 50 assert(size == round_to(size, oopSize), "unaligned size"); |
| 51 assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); | |
| 0 | 52 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
| 53 assert(!UseRelocIndex, "no space allocated for reloc index yet"); | |
| 54 | |
| 55 // Note: If UseRelocIndex is enabled, there needs to be (at least) one | |
| 56 // extra word for the relocation information, containing the reloc | |
| 57 // index table length. Unfortunately, the reloc index table imple- | |
| 58 // mentation is not easily understandable and thus it is not clear | |
| 59 // what exactly the format is supposed to be. For now, we just turn | |
| 60 // off the use of this table (gri 7/6/2000). | |
| 61 | |
| 62 _name = name; | |
| 63 _size = size; | |
| 64 _frame_complete_offset = frame_complete; | |
| 65 _header_size = header_size; | |
| 66 _relocation_size = locs_size; | |
| 1748 | 67 _content_offset = align_code_offset(header_size + _relocation_size); |
| 68 _code_offset = _content_offset; | |
| 0 | 69 _data_offset = size; |
| 70 _frame_size = 0; | |
| 71 set_oop_maps(NULL); | |
| 72 } | |
| 73 | |
| 74 | |
| 75 // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, | |
| 76 // and copy code and relocation info. | |
| 77 CodeBlob::CodeBlob( | |
| 78 const char* name, | |
| 79 CodeBuffer* cb, | |
| 80 int header_size, | |
| 81 int size, | |
| 82 int frame_complete, | |
| 83 int frame_size, | |
| 84 OopMapSet* oop_maps | |
| 85 ) { | |
| 1748 | 86 assert(size == round_to(size, oopSize), "unaligned size"); |
| 0 | 87 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
| 88 | |
| 89 _name = name; | |
| 90 _size = size; | |
| 91 _frame_complete_offset = frame_complete; | |
| 92 _header_size = header_size; | |
| 93 _relocation_size = round_to(cb->total_relocation_size(), oopSize); | |
| 1748 | 94 _content_offset = align_code_offset(header_size + _relocation_size); |
| 95 _code_offset = _content_offset + cb->total_offset_of(cb->insts()->start()); | |
| 96 _data_offset = _content_offset + round_to(cb->total_content_size(), oopSize); | |
| 0 | 97 assert(_data_offset <= size, "codeBlob is too small"); |
| 98 | |
| 99 cb->copy_code_and_locs_to(this); | |
| 100 set_oop_maps(oop_maps); | |
| 101 _frame_size = frame_size; | |
| 102 #ifdef COMPILER1 | |
| 103 // probably wrong for tiered | |
| 104 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); | |
| 105 #endif // COMPILER1 | |
| 106 } | |
| 107 | |
| 108 | |
| 109 void CodeBlob::set_oop_maps(OopMapSet* p) { | |
| 110 // Danger Will Robinson! This method allocates a big | |
| 111 // chunk of memory, its your job to free it. | |
| 112 if (p != NULL) { | |
| 113 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps | |
| 114 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size()); | |
| 115 p->copy_to((address)_oop_maps); | |
| 116 } else { | |
| 117 _oop_maps = NULL; | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void CodeBlob::flush() { | |
| 123 if (_oop_maps) { | |
| 124 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps); | |
| 125 _oop_maps = NULL; | |
| 126 } | |
| 127 _comments.free(); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 OopMap* CodeBlob::oop_map_for_return_address(address return_address) { | |
| 1748 | 132 assert(oop_maps() != NULL, "nope"); |
| 133 return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); | |
| 0 | 134 } |
| 135 | |
| 136 | |
| 137 //---------------------------------------------------------------------------------------------------- | |
| 138 // Implementation of BufferBlob | |
| 139 | |
| 140 | |
| 141 BufferBlob::BufferBlob(const char* name, int size) | |
| 142 : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) | |
| 143 {} | |
| 144 | |
| 145 BufferBlob* BufferBlob::create(const char* name, int buffer_size) { | |
| 146 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 147 | |
| 148 BufferBlob* blob = NULL; | |
| 149 unsigned int size = sizeof(BufferBlob); | |
| 150 // align the size to CodeEntryAlignment | |
| 151 size = align_code_offset(size); | |
| 152 size += round_to(buffer_size, oopSize); | |
| 153 assert(name != NULL, "must provide a name"); | |
| 154 { | |
| 155 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 156 blob = new (size) BufferBlob(name, size); | |
| 157 } | |
| 158 // Track memory usage statistic after releasing CodeCache_lock | |
| 159 MemoryService::track_code_cache_memory_usage(); | |
| 160 | |
| 161 return blob; | |
| 162 } | |
| 163 | |
| 164 | |
| 165 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) | |
| 166 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) | |
| 167 {} | |
| 168 | |
| 169 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { | |
| 170 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 171 | |
| 172 BufferBlob* blob = NULL; | |
| 173 unsigned int size = allocation_size(cb, sizeof(BufferBlob)); | |
| 174 assert(name != NULL, "must provide a name"); | |
| 175 { | |
| 176 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 177 blob = new (size) BufferBlob(name, size, cb); | |
| 178 } | |
| 179 // Track memory usage statistic after releasing CodeCache_lock | |
| 180 MemoryService::track_code_cache_memory_usage(); | |
| 181 | |
| 182 return blob; | |
| 183 } | |
| 184 | |
| 185 | |
| 186 void* BufferBlob::operator new(size_t s, unsigned size) { | |
| 187 void* p = CodeCache::allocate(size); | |
| 188 return p; | |
| 189 } | |
| 190 | |
| 191 | |
| 192 void BufferBlob::free( BufferBlob *blob ) { | |
| 193 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 194 { | |
| 195 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 196 CodeCache::free((CodeBlob*)blob); | |
| 197 } | |
| 198 // Track memory usage statistic after releasing CodeCache_lock | |
| 199 MemoryService::track_code_cache_memory_usage(); | |
| 200 } | |
| 201 | |
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202 |
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203 //---------------------------------------------------------------------------------------------------- |
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204 // Implementation of AdapterBlob |
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205 |
| 1663 | 206 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : |
| 207 BufferBlob("I2C/C2I adapters", size, cb) { | |
| 208 CodeCache::commit(this); | |
| 209 } | |
| 210 | |
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211 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { |
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212 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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213 |
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214 AdapterBlob* blob = NULL; |
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215 unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); |
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216 { |
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217 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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218 blob = new (size) AdapterBlob(size, cb); |
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219 } |
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220 // Track memory usage statistic after releasing CodeCache_lock |
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221 MemoryService::track_code_cache_memory_usage(); |
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222 |
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223 return blob; |
| 0 | 224 } |
| 225 | |
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226 |
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227 //---------------------------------------------------------------------------------------------------- |
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228 // Implementation of MethodHandlesAdapterBlob |
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229 |
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230 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { |
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231 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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232 |
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233 MethodHandlesAdapterBlob* blob = NULL; |
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234 unsigned int size = sizeof(MethodHandlesAdapterBlob); |
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235 // align the size to CodeEntryAlignment |
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236 size = align_code_offset(size); |
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237 size += round_to(buffer_size, oopSize); |
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238 { |
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239 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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240 blob = new (size) MethodHandlesAdapterBlob(size); |
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241 } |
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242 // Track memory usage statistic after releasing CodeCache_lock |
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243 MemoryService::track_code_cache_memory_usage(); |
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244 |
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245 return blob; |
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246 } |
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247 |
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248 |
| 0 | 249 //---------------------------------------------------------------------------------------------------- |
| 250 // Implementation of RuntimeStub | |
| 251 | |
| 252 RuntimeStub::RuntimeStub( | |
| 253 const char* name, | |
| 254 CodeBuffer* cb, | |
| 255 int size, | |
| 256 int frame_complete, | |
| 257 int frame_size, | |
| 258 OopMapSet* oop_maps, | |
| 259 bool caller_must_gc_arguments | |
| 260 ) | |
| 261 : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) | |
| 262 { | |
| 263 _caller_must_gc_arguments = caller_must_gc_arguments; | |
| 264 } | |
| 265 | |
| 266 | |
| 267 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, | |
| 268 CodeBuffer* cb, | |
| 269 int frame_complete, | |
| 270 int frame_size, | |
| 271 OopMapSet* oop_maps, | |
| 272 bool caller_must_gc_arguments) | |
| 273 { | |
| 274 RuntimeStub* stub = NULL; | |
| 275 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 276 { | |
| 277 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 278 unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); | |
| 279 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); | |
| 280 } | |
| 281 | |
| 282 // Do not hold the CodeCache lock during name formatting. | |
| 283 if (stub != NULL) { | |
| 284 char stub_id[256]; | |
| 285 jio_snprintf(stub_id, sizeof(stub_id), "RuntimeStub - %s", stub_name); | |
| 286 if (PrintStubCode) { | |
| 287 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, stub); | |
| 1748 | 288 Disassembler::decode(stub->code_begin(), stub->code_end()); |
| 0 | 289 } |
| 1748 | 290 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); |
| 0 | 291 |
| 292 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 1748 | 293 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); |
| 0 | 294 } |
| 295 } | |
| 296 | |
| 297 // Track memory usage statistic after releasing CodeCache_lock | |
| 298 MemoryService::track_code_cache_memory_usage(); | |
| 299 | |
| 300 return stub; | |
| 301 } | |
| 302 | |
| 303 | |
| 304 void* RuntimeStub::operator new(size_t s, unsigned size) { | |
| 305 void* p = CodeCache::allocate(size); | |
| 306 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 307 return p; | |
| 308 } | |
| 309 | |
| 310 | |
| 311 //---------------------------------------------------------------------------------------------------- | |
| 312 // Implementation of DeoptimizationBlob | |
| 313 | |
| 314 DeoptimizationBlob::DeoptimizationBlob( | |
| 315 CodeBuffer* cb, | |
| 316 int size, | |
| 317 OopMapSet* oop_maps, | |
| 318 int unpack_offset, | |
| 319 int unpack_with_exception_offset, | |
| 320 int unpack_with_reexecution_offset, | |
| 321 int frame_size | |
| 322 ) | |
| 323 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) | |
| 324 { | |
| 325 _unpack_offset = unpack_offset; | |
| 326 _unpack_with_exception = unpack_with_exception_offset; | |
| 327 _unpack_with_reexecution = unpack_with_reexecution_offset; | |
| 328 #ifdef COMPILER1 | |
| 329 _unpack_with_exception_in_tls = -1; | |
| 330 #endif | |
| 331 } | |
| 332 | |
| 333 | |
| 334 DeoptimizationBlob* DeoptimizationBlob::create( | |
| 335 CodeBuffer* cb, | |
| 336 OopMapSet* oop_maps, | |
| 337 int unpack_offset, | |
| 338 int unpack_with_exception_offset, | |
| 339 int unpack_with_reexecution_offset, | |
| 340 int frame_size) | |
| 341 { | |
| 342 DeoptimizationBlob* blob = NULL; | |
| 343 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 344 { | |
| 345 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 346 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); | |
| 347 blob = new (size) DeoptimizationBlob(cb, | |
| 348 size, | |
| 349 oop_maps, | |
| 350 unpack_offset, | |
| 351 unpack_with_exception_offset, | |
| 352 unpack_with_reexecution_offset, | |
| 353 frame_size); | |
| 354 } | |
| 355 | |
| 356 // Do not hold the CodeCache lock during name formatting. | |
| 357 if (blob != NULL) { | |
| 358 char blob_id[256]; | |
| 1748 | 359 jio_snprintf(blob_id, sizeof(blob_id), "DeoptimizationBlob@" PTR_FORMAT, blob->code_begin()); |
| 0 | 360 if (PrintStubCode) { |
| 361 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); | |
| 1748 | 362 Disassembler::decode(blob->code_begin(), blob->code_end()); |
| 0 | 363 } |
| 1748 | 364 Forte::register_stub(blob_id, blob->code_begin(), blob->code_end()); |
| 0 | 365 |
| 366 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 1748 | 367 JvmtiExport::post_dynamic_code_generated("DeoptimizationBlob", blob->code_begin(), blob->code_end()); |
| 0 | 368 } |
| 369 } | |
| 370 | |
| 371 // Track memory usage statistic after releasing CodeCache_lock | |
| 372 MemoryService::track_code_cache_memory_usage(); | |
| 373 | |
| 374 return blob; | |
| 375 } | |
| 376 | |
| 377 | |
| 378 void* DeoptimizationBlob::operator new(size_t s, unsigned size) { | |
| 379 void* p = CodeCache::allocate(size); | |
| 380 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 381 return p; | |
| 382 } | |
| 383 | |
| 384 //---------------------------------------------------------------------------------------------------- | |
| 385 // Implementation of UncommonTrapBlob | |
| 386 | |
| 387 #ifdef COMPILER2 | |
| 388 UncommonTrapBlob::UncommonTrapBlob( | |
| 389 CodeBuffer* cb, | |
| 390 int size, | |
| 391 OopMapSet* oop_maps, | |
| 392 int frame_size | |
| 393 ) | |
| 394 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) | |
| 395 {} | |
| 396 | |
| 397 | |
| 398 UncommonTrapBlob* UncommonTrapBlob::create( | |
| 399 CodeBuffer* cb, | |
| 400 OopMapSet* oop_maps, | |
| 401 int frame_size) | |
| 402 { | |
| 403 UncommonTrapBlob* blob = NULL; | |
| 404 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 405 { | |
| 406 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 407 unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); | |
| 408 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); | |
| 409 } | |
| 410 | |
| 411 // Do not hold the CodeCache lock during name formatting. | |
| 412 if (blob != NULL) { | |
| 413 char blob_id[256]; | |
| 1748 | 414 jio_snprintf(blob_id, sizeof(blob_id), "UncommonTrapBlob@" PTR_FORMAT, blob->code_begin()); |
| 0 | 415 if (PrintStubCode) { |
| 416 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); | |
| 1748 | 417 Disassembler::decode(blob->code_begin(), blob->code_end()); |
| 0 | 418 } |
| 1748 | 419 Forte::register_stub(blob_id, blob->code_begin(), blob->code_end()); |
| 0 | 420 |
| 421 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 1748 | 422 JvmtiExport::post_dynamic_code_generated("UncommonTrapBlob", blob->code_begin(), blob->code_end()); |
| 0 | 423 } |
| 424 } | |
| 425 | |
| 426 // Track memory usage statistic after releasing CodeCache_lock | |
| 427 MemoryService::track_code_cache_memory_usage(); | |
| 428 | |
| 429 return blob; | |
| 430 } | |
| 431 | |
| 432 | |
| 433 void* UncommonTrapBlob::operator new(size_t s, unsigned size) { | |
| 434 void* p = CodeCache::allocate(size); | |
| 435 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 436 return p; | |
| 437 } | |
| 438 #endif // COMPILER2 | |
| 439 | |
| 440 | |
| 441 //---------------------------------------------------------------------------------------------------- | |
| 442 // Implementation of ExceptionBlob | |
| 443 | |
| 444 #ifdef COMPILER2 | |
| 445 ExceptionBlob::ExceptionBlob( | |
| 446 CodeBuffer* cb, | |
| 447 int size, | |
| 448 OopMapSet* oop_maps, | |
| 449 int frame_size | |
| 450 ) | |
| 451 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) | |
| 452 {} | |
| 453 | |
| 454 | |
| 455 ExceptionBlob* ExceptionBlob::create( | |
| 456 CodeBuffer* cb, | |
| 457 OopMapSet* oop_maps, | |
| 458 int frame_size) | |
| 459 { | |
| 460 ExceptionBlob* blob = NULL; | |
| 461 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 462 { | |
| 463 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 464 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); | |
| 465 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); | |
| 466 } | |
| 467 | |
| 468 // We do not need to hold the CodeCache lock during name formatting | |
| 469 if (blob != NULL) { | |
| 470 char blob_id[256]; | |
| 1748 | 471 jio_snprintf(blob_id, sizeof(blob_id), "ExceptionBlob@" PTR_FORMAT, blob->code_begin()); |
| 0 | 472 if (PrintStubCode) { |
| 473 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); | |
| 1748 | 474 Disassembler::decode(blob->code_begin(), blob->code_end()); |
| 0 | 475 } |
| 1748 | 476 Forte::register_stub(blob_id, blob->code_begin(), blob->code_end()); |
| 0 | 477 |
| 478 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 1748 | 479 JvmtiExport::post_dynamic_code_generated("ExceptionBlob", blob->code_begin(), blob->code_end()); |
| 0 | 480 } |
| 481 } | |
| 482 | |
| 483 // Track memory usage statistic after releasing CodeCache_lock | |
| 484 MemoryService::track_code_cache_memory_usage(); | |
| 485 | |
| 486 return blob; | |
| 487 } | |
| 488 | |
| 489 | |
| 490 void* ExceptionBlob::operator new(size_t s, unsigned size) { | |
| 491 void* p = CodeCache::allocate(size); | |
| 492 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 493 return p; | |
| 494 } | |
| 495 #endif // COMPILER2 | |
| 496 | |
| 497 | |
| 498 //---------------------------------------------------------------------------------------------------- | |
| 499 // Implementation of SafepointBlob | |
| 500 | |
| 501 SafepointBlob::SafepointBlob( | |
| 502 CodeBuffer* cb, | |
| 503 int size, | |
| 504 OopMapSet* oop_maps, | |
| 505 int frame_size | |
| 506 ) | |
| 507 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) | |
| 508 {} | |
| 509 | |
| 510 | |
| 511 SafepointBlob* SafepointBlob::create( | |
| 512 CodeBuffer* cb, | |
| 513 OopMapSet* oop_maps, | |
| 514 int frame_size) | |
| 515 { | |
| 516 SafepointBlob* blob = NULL; | |
| 517 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 518 { | |
| 519 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 520 unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); | |
| 521 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); | |
| 522 } | |
| 523 | |
| 524 // We do not need to hold the CodeCache lock during name formatting. | |
| 525 if (blob != NULL) { | |
| 526 char blob_id[256]; | |
| 1748 | 527 jio_snprintf(blob_id, sizeof(blob_id), "SafepointBlob@" PTR_FORMAT, blob->code_begin()); |
| 0 | 528 if (PrintStubCode) { |
| 529 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); | |
| 1748 | 530 Disassembler::decode(blob->code_begin(), blob->code_end()); |
| 0 | 531 } |
| 1748 | 532 Forte::register_stub(blob_id, blob->code_begin(), blob->code_end()); |
| 0 | 533 |
| 534 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 1748 | 535 JvmtiExport::post_dynamic_code_generated("SafepointBlob", blob->code_begin(), blob->code_end()); |
| 0 | 536 } |
| 537 } | |
| 538 | |
| 539 // Track memory usage statistic after releasing CodeCache_lock | |
| 540 MemoryService::track_code_cache_memory_usage(); | |
| 541 | |
| 542 return blob; | |
| 543 } | |
| 544 | |
| 545 | |
| 546 void* SafepointBlob::operator new(size_t s, unsigned size) { | |
| 547 void* p = CodeCache::allocate(size); | |
| 548 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 549 return p; | |
| 550 } | |
| 551 | |
| 552 | |
| 553 //---------------------------------------------------------------------------------------------------- | |
| 554 // Verification and printing | |
| 555 | |
| 556 void CodeBlob::verify() { | |
| 557 ShouldNotReachHere(); | |
| 558 } | |
| 559 | |
|
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560 void CodeBlob::print_on(outputStream* st) const { |
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561 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this); |
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562 st->print_cr("Framesize: %d", _frame_size); |
| 0 | 563 } |
| 564 | |
| 565 void CodeBlob::print_value_on(outputStream* st) const { | |
| 566 st->print_cr("[CodeBlob]"); | |
| 567 } | |
| 568 | |
| 569 void BufferBlob::verify() { | |
| 570 // unimplemented | |
| 571 } | |
| 572 | |
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573 void BufferBlob::print_on(outputStream* st) const { |
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574 CodeBlob::print_on(st); |
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575 print_value_on(st); |
| 0 | 576 } |
| 577 | |
| 578 void BufferBlob::print_value_on(outputStream* st) const { | |
| 579 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", this, name()); | |
| 580 } | |
| 581 | |
| 582 void RuntimeStub::verify() { | |
| 583 // unimplemented | |
| 584 } | |
| 585 | |
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586 void RuntimeStub::print_on(outputStream* st) const { |
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587 CodeBlob::print_on(st); |
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588 st->print("Runtime Stub (" INTPTR_FORMAT "): ", this); |
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589 st->print_cr(name()); |
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590 Disassembler::decode((CodeBlob*)this, st); |
| 0 | 591 } |
| 592 | |
| 593 void RuntimeStub::print_value_on(outputStream* st) const { | |
| 594 st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name()); | |
| 595 } | |
| 596 | |
| 597 void SingletonBlob::verify() { | |
| 598 // unimplemented | |
| 599 } | |
| 600 | |
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601 void SingletonBlob::print_on(outputStream* st) const { |
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602 CodeBlob::print_on(st); |
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603 st->print_cr(name()); |
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604 Disassembler::decode((CodeBlob*)this, st); |
| 0 | 605 } |
| 606 | |
| 607 void SingletonBlob::print_value_on(outputStream* st) const { | |
| 608 st->print_cr(name()); | |
| 609 } | |
| 610 | |
| 611 void DeoptimizationBlob::print_value_on(outputStream* st) const { | |
| 612 st->print_cr("Deoptimization (frame not available)"); | |
| 613 } |