Thu, 22 Jul 2010 15:29:22 -0700
6970566: runThese fails with SIGSEGV
Reviewed-by: kvn
duke@435 | 1 | /* |
trims@1907 | 2 | * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_codeBlob.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | unsigned int align_code_offset(int offset) { |
duke@435 | 29 | // align the size to CodeEntryAlignment |
duke@435 | 30 | return |
duke@435 | 31 | ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) |
duke@435 | 32 | - (int)CodeHeap::header_size(); |
duke@435 | 33 | } |
duke@435 | 34 | |
duke@435 | 35 | |
duke@435 | 36 | // This must be consistent with the CodeBlob constructor's layout actions. |
duke@435 | 37 | unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { |
duke@435 | 38 | unsigned int size = header_size; |
duke@435 | 39 | size += round_to(cb->total_relocation_size(), oopSize); |
duke@435 | 40 | // align the size to CodeEntryAlignment |
duke@435 | 41 | size = align_code_offset(size); |
duke@435 | 42 | size += round_to(cb->total_code_size(), oopSize); |
duke@435 | 43 | size += round_to(cb->total_oop_size(), oopSize); |
duke@435 | 44 | return size; |
duke@435 | 45 | } |
duke@435 | 46 | |
duke@435 | 47 | |
duke@435 | 48 | // Creates a simple CodeBlob. Sets up the size of the different regions. |
duke@435 | 49 | CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { |
duke@435 | 50 | assert(size == round_to(size, oopSize), "unaligned size"); |
duke@435 | 51 | assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); |
duke@435 | 52 | assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
duke@435 | 53 | assert(!UseRelocIndex, "no space allocated for reloc index yet"); |
duke@435 | 54 | |
duke@435 | 55 | // Note: If UseRelocIndex is enabled, there needs to be (at least) one |
duke@435 | 56 | // extra word for the relocation information, containing the reloc |
duke@435 | 57 | // index table length. Unfortunately, the reloc index table imple- |
duke@435 | 58 | // mentation is not easily understandable and thus it is not clear |
duke@435 | 59 | // what exactly the format is supposed to be. For now, we just turn |
duke@435 | 60 | // off the use of this table (gri 7/6/2000). |
duke@435 | 61 | |
duke@435 | 62 | _name = name; |
duke@435 | 63 | _size = size; |
duke@435 | 64 | _frame_complete_offset = frame_complete; |
duke@435 | 65 | _header_size = header_size; |
duke@435 | 66 | _relocation_size = locs_size; |
duke@435 | 67 | _instructions_offset = align_code_offset(header_size + locs_size); |
duke@435 | 68 | _data_offset = size; |
duke@435 | 69 | _frame_size = 0; |
duke@435 | 70 | set_oop_maps(NULL); |
duke@435 | 71 | } |
duke@435 | 72 | |
duke@435 | 73 | |
duke@435 | 74 | // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, |
duke@435 | 75 | // and copy code and relocation info. |
duke@435 | 76 | CodeBlob::CodeBlob( |
duke@435 | 77 | const char* name, |
duke@435 | 78 | CodeBuffer* cb, |
duke@435 | 79 | int header_size, |
duke@435 | 80 | int size, |
duke@435 | 81 | int frame_complete, |
duke@435 | 82 | int frame_size, |
duke@435 | 83 | OopMapSet* oop_maps |
duke@435 | 84 | ) { |
duke@435 | 85 | assert(size == round_to(size, oopSize), "unaligned size"); |
duke@435 | 86 | assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
duke@435 | 87 | |
duke@435 | 88 | _name = name; |
duke@435 | 89 | _size = size; |
duke@435 | 90 | _frame_complete_offset = frame_complete; |
duke@435 | 91 | _header_size = header_size; |
duke@435 | 92 | _relocation_size = round_to(cb->total_relocation_size(), oopSize); |
duke@435 | 93 | _instructions_offset = align_code_offset(header_size + _relocation_size); |
duke@435 | 94 | _data_offset = _instructions_offset + round_to(cb->total_code_size(), oopSize); |
duke@435 | 95 | assert(_data_offset <= size, "codeBlob is too small"); |
duke@435 | 96 | |
duke@435 | 97 | cb->copy_code_and_locs_to(this); |
duke@435 | 98 | set_oop_maps(oop_maps); |
duke@435 | 99 | _frame_size = frame_size; |
duke@435 | 100 | #ifdef COMPILER1 |
duke@435 | 101 | // probably wrong for tiered |
duke@435 | 102 | assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); |
duke@435 | 103 | #endif // COMPILER1 |
duke@435 | 104 | } |
duke@435 | 105 | |
duke@435 | 106 | |
duke@435 | 107 | void CodeBlob::set_oop_maps(OopMapSet* p) { |
duke@435 | 108 | // Danger Will Robinson! This method allocates a big |
duke@435 | 109 | // chunk of memory, its your job to free it. |
duke@435 | 110 | if (p != NULL) { |
duke@435 | 111 | // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps |
duke@435 | 112 | _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size()); |
duke@435 | 113 | p->copy_to((address)_oop_maps); |
duke@435 | 114 | } else { |
duke@435 | 115 | _oop_maps = NULL; |
duke@435 | 116 | } |
duke@435 | 117 | } |
duke@435 | 118 | |
duke@435 | 119 | |
duke@435 | 120 | void CodeBlob::flush() { |
duke@435 | 121 | if (_oop_maps) { |
duke@435 | 122 | FREE_C_HEAP_ARRAY(unsigned char, _oop_maps); |
duke@435 | 123 | _oop_maps = NULL; |
duke@435 | 124 | } |
duke@435 | 125 | _comments.free(); |
duke@435 | 126 | } |
duke@435 | 127 | |
duke@435 | 128 | |
duke@435 | 129 | OopMap* CodeBlob::oop_map_for_return_address(address return_address) { |
duke@435 | 130 | address pc = return_address ; |
duke@435 | 131 | assert (oop_maps() != NULL, "nope"); |
duke@435 | 132 | return oop_maps()->find_map_at_offset ((intptr_t) pc - (intptr_t) instructions_begin()); |
duke@435 | 133 | } |
duke@435 | 134 | |
duke@435 | 135 | |
duke@435 | 136 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 137 | // Implementation of BufferBlob |
duke@435 | 138 | |
duke@435 | 139 | |
duke@435 | 140 | BufferBlob::BufferBlob(const char* name, int size) |
duke@435 | 141 | : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) |
duke@435 | 142 | {} |
duke@435 | 143 | |
duke@435 | 144 | BufferBlob* BufferBlob::create(const char* name, int buffer_size) { |
duke@435 | 145 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 146 | |
duke@435 | 147 | BufferBlob* blob = NULL; |
duke@435 | 148 | unsigned int size = sizeof(BufferBlob); |
duke@435 | 149 | // align the size to CodeEntryAlignment |
duke@435 | 150 | size = align_code_offset(size); |
duke@435 | 151 | size += round_to(buffer_size, oopSize); |
duke@435 | 152 | assert(name != NULL, "must provide a name"); |
duke@435 | 153 | { |
duke@435 | 154 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 155 | blob = new (size) BufferBlob(name, size); |
duke@435 | 156 | } |
duke@435 | 157 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 158 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 159 | |
duke@435 | 160 | return blob; |
duke@435 | 161 | } |
duke@435 | 162 | |
duke@435 | 163 | |
duke@435 | 164 | BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) |
duke@435 | 165 | : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) |
duke@435 | 166 | {} |
duke@435 | 167 | |
duke@435 | 168 | BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { |
duke@435 | 169 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 170 | |
duke@435 | 171 | BufferBlob* blob = NULL; |
duke@435 | 172 | unsigned int size = allocation_size(cb, sizeof(BufferBlob)); |
duke@435 | 173 | assert(name != NULL, "must provide a name"); |
duke@435 | 174 | { |
duke@435 | 175 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 176 | blob = new (size) BufferBlob(name, size, cb); |
duke@435 | 177 | } |
duke@435 | 178 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 179 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 180 | |
duke@435 | 181 | return blob; |
duke@435 | 182 | } |
duke@435 | 183 | |
duke@435 | 184 | |
duke@435 | 185 | void* BufferBlob::operator new(size_t s, unsigned size) { |
duke@435 | 186 | void* p = CodeCache::allocate(size); |
duke@435 | 187 | return p; |
duke@435 | 188 | } |
duke@435 | 189 | |
duke@435 | 190 | |
duke@435 | 191 | void BufferBlob::free( BufferBlob *blob ) { |
duke@435 | 192 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 193 | { |
duke@435 | 194 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 195 | CodeCache::free((CodeBlob*)blob); |
duke@435 | 196 | } |
duke@435 | 197 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 198 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 199 | } |
duke@435 | 200 | |
twisti@1734 | 201 | |
twisti@1734 | 202 | //---------------------------------------------------------------------------------------------------- |
twisti@1734 | 203 | // Implementation of AdapterBlob |
twisti@1734 | 204 | |
never@2018 | 205 | AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : |
never@2018 | 206 | BufferBlob("I2C/C2I adapters", size, cb) { |
never@2018 | 207 | CodeCache::commit(this); |
never@2018 | 208 | } |
never@2018 | 209 | |
twisti@1734 | 210 | AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { |
twisti@1734 | 211 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
twisti@1734 | 212 | |
twisti@1734 | 213 | AdapterBlob* blob = NULL; |
twisti@1734 | 214 | unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); |
twisti@1734 | 215 | { |
twisti@1734 | 216 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
twisti@1734 | 217 | blob = new (size) AdapterBlob(size, cb); |
twisti@1734 | 218 | } |
twisti@1734 | 219 | // Track memory usage statistic after releasing CodeCache_lock |
twisti@1734 | 220 | MemoryService::track_code_cache_memory_usage(); |
twisti@1734 | 221 | |
twisti@1734 | 222 | return blob; |
duke@435 | 223 | } |
duke@435 | 224 | |
twisti@1734 | 225 | |
twisti@1734 | 226 | //---------------------------------------------------------------------------------------------------- |
twisti@1734 | 227 | // Implementation of MethodHandlesAdapterBlob |
twisti@1734 | 228 | |
twisti@1734 | 229 | MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { |
twisti@1734 | 230 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
twisti@1734 | 231 | |
twisti@1734 | 232 | MethodHandlesAdapterBlob* blob = NULL; |
twisti@1734 | 233 | unsigned int size = sizeof(MethodHandlesAdapterBlob); |
twisti@1734 | 234 | // align the size to CodeEntryAlignment |
twisti@1734 | 235 | size = align_code_offset(size); |
twisti@1734 | 236 | size += round_to(buffer_size, oopSize); |
twisti@1734 | 237 | { |
twisti@1734 | 238 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
twisti@1734 | 239 | blob = new (size) MethodHandlesAdapterBlob(size); |
twisti@1734 | 240 | } |
twisti@1734 | 241 | // Track memory usage statistic after releasing CodeCache_lock |
twisti@1734 | 242 | MemoryService::track_code_cache_memory_usage(); |
twisti@1734 | 243 | |
twisti@1734 | 244 | return blob; |
twisti@1734 | 245 | } |
twisti@1734 | 246 | |
twisti@1734 | 247 | |
duke@435 | 248 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 249 | // Implementation of RuntimeStub |
duke@435 | 250 | |
duke@435 | 251 | RuntimeStub::RuntimeStub( |
duke@435 | 252 | const char* name, |
duke@435 | 253 | CodeBuffer* cb, |
duke@435 | 254 | int size, |
duke@435 | 255 | int frame_complete, |
duke@435 | 256 | int frame_size, |
duke@435 | 257 | OopMapSet* oop_maps, |
duke@435 | 258 | bool caller_must_gc_arguments |
duke@435 | 259 | ) |
duke@435 | 260 | : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) |
duke@435 | 261 | { |
duke@435 | 262 | _caller_must_gc_arguments = caller_must_gc_arguments; |
duke@435 | 263 | } |
duke@435 | 264 | |
duke@435 | 265 | |
duke@435 | 266 | RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, |
duke@435 | 267 | CodeBuffer* cb, |
duke@435 | 268 | int frame_complete, |
duke@435 | 269 | int frame_size, |
duke@435 | 270 | OopMapSet* oop_maps, |
duke@435 | 271 | bool caller_must_gc_arguments) |
duke@435 | 272 | { |
duke@435 | 273 | RuntimeStub* stub = NULL; |
duke@435 | 274 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 275 | { |
duke@435 | 276 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 277 | unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); |
duke@435 | 278 | stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); |
duke@435 | 279 | } |
duke@435 | 280 | |
duke@435 | 281 | // Do not hold the CodeCache lock during name formatting. |
duke@435 | 282 | if (stub != NULL) { |
duke@435 | 283 | char stub_id[256]; |
duke@435 | 284 | jio_snprintf(stub_id, sizeof(stub_id), "RuntimeStub - %s", stub_name); |
duke@435 | 285 | if (PrintStubCode) { |
duke@435 | 286 | tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, stub); |
duke@435 | 287 | Disassembler::decode(stub->instructions_begin(), stub->instructions_end()); |
duke@435 | 288 | } |
duke@435 | 289 | Forte::register_stub(stub_id, stub->instructions_begin(), stub->instructions_end()); |
duke@435 | 290 | |
duke@435 | 291 | if (JvmtiExport::should_post_dynamic_code_generated()) { |
duke@435 | 292 | JvmtiExport::post_dynamic_code_generated(stub_name, stub->instructions_begin(), stub->instructions_end()); |
duke@435 | 293 | } |
duke@435 | 294 | } |
duke@435 | 295 | |
duke@435 | 296 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 297 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 298 | |
duke@435 | 299 | return stub; |
duke@435 | 300 | } |
duke@435 | 301 | |
duke@435 | 302 | |
duke@435 | 303 | void* RuntimeStub::operator new(size_t s, unsigned size) { |
duke@435 | 304 | void* p = CodeCache::allocate(size); |
duke@435 | 305 | if (!p) fatal("Initial size of CodeCache is too small"); |
duke@435 | 306 | return p; |
duke@435 | 307 | } |
duke@435 | 308 | |
duke@435 | 309 | |
duke@435 | 310 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 311 | // Implementation of DeoptimizationBlob |
duke@435 | 312 | |
duke@435 | 313 | DeoptimizationBlob::DeoptimizationBlob( |
duke@435 | 314 | CodeBuffer* cb, |
duke@435 | 315 | int size, |
duke@435 | 316 | OopMapSet* oop_maps, |
duke@435 | 317 | int unpack_offset, |
duke@435 | 318 | int unpack_with_exception_offset, |
duke@435 | 319 | int unpack_with_reexecution_offset, |
duke@435 | 320 | int frame_size |
duke@435 | 321 | ) |
duke@435 | 322 | : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) |
duke@435 | 323 | { |
duke@435 | 324 | _unpack_offset = unpack_offset; |
duke@435 | 325 | _unpack_with_exception = unpack_with_exception_offset; |
duke@435 | 326 | _unpack_with_reexecution = unpack_with_reexecution_offset; |
duke@435 | 327 | #ifdef COMPILER1 |
duke@435 | 328 | _unpack_with_exception_in_tls = -1; |
duke@435 | 329 | #endif |
duke@435 | 330 | } |
duke@435 | 331 | |
duke@435 | 332 | |
duke@435 | 333 | DeoptimizationBlob* DeoptimizationBlob::create( |
duke@435 | 334 | CodeBuffer* cb, |
duke@435 | 335 | OopMapSet* oop_maps, |
duke@435 | 336 | int unpack_offset, |
duke@435 | 337 | int unpack_with_exception_offset, |
duke@435 | 338 | int unpack_with_reexecution_offset, |
duke@435 | 339 | int frame_size) |
duke@435 | 340 | { |
duke@435 | 341 | DeoptimizationBlob* blob = NULL; |
duke@435 | 342 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 343 | { |
duke@435 | 344 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 345 | unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); |
duke@435 | 346 | blob = new (size) DeoptimizationBlob(cb, |
duke@435 | 347 | size, |
duke@435 | 348 | oop_maps, |
duke@435 | 349 | unpack_offset, |
duke@435 | 350 | unpack_with_exception_offset, |
duke@435 | 351 | unpack_with_reexecution_offset, |
duke@435 | 352 | frame_size); |
duke@435 | 353 | } |
duke@435 | 354 | |
duke@435 | 355 | // Do not hold the CodeCache lock during name formatting. |
duke@435 | 356 | if (blob != NULL) { |
duke@435 | 357 | char blob_id[256]; |
duke@435 | 358 | jio_snprintf(blob_id, sizeof(blob_id), "DeoptimizationBlob@" PTR_FORMAT, blob->instructions_begin()); |
duke@435 | 359 | if (PrintStubCode) { |
duke@435 | 360 | tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); |
duke@435 | 361 | Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 362 | } |
duke@435 | 363 | Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 364 | |
duke@435 | 365 | if (JvmtiExport::should_post_dynamic_code_generated()) { |
duke@435 | 366 | JvmtiExport::post_dynamic_code_generated("DeoptimizationBlob", |
duke@435 | 367 | blob->instructions_begin(), |
duke@435 | 368 | blob->instructions_end()); |
duke@435 | 369 | } |
duke@435 | 370 | } |
duke@435 | 371 | |
duke@435 | 372 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 373 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 374 | |
duke@435 | 375 | return blob; |
duke@435 | 376 | } |
duke@435 | 377 | |
duke@435 | 378 | |
duke@435 | 379 | void* DeoptimizationBlob::operator new(size_t s, unsigned size) { |
duke@435 | 380 | void* p = CodeCache::allocate(size); |
duke@435 | 381 | if (!p) fatal("Initial size of CodeCache is too small"); |
duke@435 | 382 | return p; |
duke@435 | 383 | } |
duke@435 | 384 | |
duke@435 | 385 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 386 | // Implementation of UncommonTrapBlob |
duke@435 | 387 | |
duke@435 | 388 | #ifdef COMPILER2 |
duke@435 | 389 | UncommonTrapBlob::UncommonTrapBlob( |
duke@435 | 390 | CodeBuffer* cb, |
duke@435 | 391 | int size, |
duke@435 | 392 | OopMapSet* oop_maps, |
duke@435 | 393 | int frame_size |
duke@435 | 394 | ) |
duke@435 | 395 | : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) |
duke@435 | 396 | {} |
duke@435 | 397 | |
duke@435 | 398 | |
duke@435 | 399 | UncommonTrapBlob* UncommonTrapBlob::create( |
duke@435 | 400 | CodeBuffer* cb, |
duke@435 | 401 | OopMapSet* oop_maps, |
duke@435 | 402 | int frame_size) |
duke@435 | 403 | { |
duke@435 | 404 | UncommonTrapBlob* blob = NULL; |
duke@435 | 405 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 406 | { |
duke@435 | 407 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 408 | unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); |
duke@435 | 409 | blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); |
duke@435 | 410 | } |
duke@435 | 411 | |
duke@435 | 412 | // Do not hold the CodeCache lock during name formatting. |
duke@435 | 413 | if (blob != NULL) { |
duke@435 | 414 | char blob_id[256]; |
duke@435 | 415 | jio_snprintf(blob_id, sizeof(blob_id), "UncommonTrapBlob@" PTR_FORMAT, blob->instructions_begin()); |
duke@435 | 416 | if (PrintStubCode) { |
duke@435 | 417 | tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); |
duke@435 | 418 | Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 419 | } |
duke@435 | 420 | Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 421 | |
duke@435 | 422 | if (JvmtiExport::should_post_dynamic_code_generated()) { |
duke@435 | 423 | JvmtiExport::post_dynamic_code_generated("UncommonTrapBlob", |
duke@435 | 424 | blob->instructions_begin(), |
duke@435 | 425 | blob->instructions_end()); |
duke@435 | 426 | } |
duke@435 | 427 | } |
duke@435 | 428 | |
duke@435 | 429 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 430 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 431 | |
duke@435 | 432 | return blob; |
duke@435 | 433 | } |
duke@435 | 434 | |
duke@435 | 435 | |
duke@435 | 436 | void* UncommonTrapBlob::operator new(size_t s, unsigned size) { |
duke@435 | 437 | void* p = CodeCache::allocate(size); |
duke@435 | 438 | if (!p) fatal("Initial size of CodeCache is too small"); |
duke@435 | 439 | return p; |
duke@435 | 440 | } |
duke@435 | 441 | #endif // COMPILER2 |
duke@435 | 442 | |
duke@435 | 443 | |
duke@435 | 444 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 445 | // Implementation of ExceptionBlob |
duke@435 | 446 | |
duke@435 | 447 | #ifdef COMPILER2 |
duke@435 | 448 | ExceptionBlob::ExceptionBlob( |
duke@435 | 449 | CodeBuffer* cb, |
duke@435 | 450 | int size, |
duke@435 | 451 | OopMapSet* oop_maps, |
duke@435 | 452 | int frame_size |
duke@435 | 453 | ) |
duke@435 | 454 | : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) |
duke@435 | 455 | {} |
duke@435 | 456 | |
duke@435 | 457 | |
duke@435 | 458 | ExceptionBlob* ExceptionBlob::create( |
duke@435 | 459 | CodeBuffer* cb, |
duke@435 | 460 | OopMapSet* oop_maps, |
duke@435 | 461 | int frame_size) |
duke@435 | 462 | { |
duke@435 | 463 | ExceptionBlob* blob = NULL; |
duke@435 | 464 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 465 | { |
duke@435 | 466 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 467 | unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); |
duke@435 | 468 | blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); |
duke@435 | 469 | } |
duke@435 | 470 | |
duke@435 | 471 | // We do not need to hold the CodeCache lock during name formatting |
duke@435 | 472 | if (blob != NULL) { |
duke@435 | 473 | char blob_id[256]; |
duke@435 | 474 | jio_snprintf(blob_id, sizeof(blob_id), "ExceptionBlob@" PTR_FORMAT, blob->instructions_begin()); |
duke@435 | 475 | if (PrintStubCode) { |
duke@435 | 476 | tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); |
duke@435 | 477 | Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 478 | } |
duke@435 | 479 | Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 480 | |
duke@435 | 481 | if (JvmtiExport::should_post_dynamic_code_generated()) { |
duke@435 | 482 | JvmtiExport::post_dynamic_code_generated("ExceptionBlob", |
duke@435 | 483 | blob->instructions_begin(), |
duke@435 | 484 | blob->instructions_end()); |
duke@435 | 485 | } |
duke@435 | 486 | } |
duke@435 | 487 | |
duke@435 | 488 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 489 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 490 | |
duke@435 | 491 | return blob; |
duke@435 | 492 | } |
duke@435 | 493 | |
duke@435 | 494 | |
duke@435 | 495 | void* ExceptionBlob::operator new(size_t s, unsigned size) { |
duke@435 | 496 | void* p = CodeCache::allocate(size); |
duke@435 | 497 | if (!p) fatal("Initial size of CodeCache is too small"); |
duke@435 | 498 | return p; |
duke@435 | 499 | } |
duke@435 | 500 | #endif // COMPILER2 |
duke@435 | 501 | |
duke@435 | 502 | |
duke@435 | 503 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 504 | // Implementation of SafepointBlob |
duke@435 | 505 | |
duke@435 | 506 | SafepointBlob::SafepointBlob( |
duke@435 | 507 | CodeBuffer* cb, |
duke@435 | 508 | int size, |
duke@435 | 509 | OopMapSet* oop_maps, |
duke@435 | 510 | int frame_size |
duke@435 | 511 | ) |
duke@435 | 512 | : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) |
duke@435 | 513 | {} |
duke@435 | 514 | |
duke@435 | 515 | |
duke@435 | 516 | SafepointBlob* SafepointBlob::create( |
duke@435 | 517 | CodeBuffer* cb, |
duke@435 | 518 | OopMapSet* oop_maps, |
duke@435 | 519 | int frame_size) |
duke@435 | 520 | { |
duke@435 | 521 | SafepointBlob* blob = NULL; |
duke@435 | 522 | ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
duke@435 | 523 | { |
duke@435 | 524 | MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
duke@435 | 525 | unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); |
duke@435 | 526 | blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); |
duke@435 | 527 | } |
duke@435 | 528 | |
duke@435 | 529 | // We do not need to hold the CodeCache lock during name formatting. |
duke@435 | 530 | if (blob != NULL) { |
duke@435 | 531 | char blob_id[256]; |
duke@435 | 532 | jio_snprintf(blob_id, sizeof(blob_id), "SafepointBlob@" PTR_FORMAT, blob->instructions_begin()); |
duke@435 | 533 | if (PrintStubCode) { |
duke@435 | 534 | tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); |
duke@435 | 535 | Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 536 | } |
duke@435 | 537 | Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); |
duke@435 | 538 | |
duke@435 | 539 | if (JvmtiExport::should_post_dynamic_code_generated()) { |
duke@435 | 540 | JvmtiExport::post_dynamic_code_generated("SafepointBlob", |
duke@435 | 541 | blob->instructions_begin(), |
duke@435 | 542 | blob->instructions_end()); |
duke@435 | 543 | } |
duke@435 | 544 | } |
duke@435 | 545 | |
duke@435 | 546 | // Track memory usage statistic after releasing CodeCache_lock |
duke@435 | 547 | MemoryService::track_code_cache_memory_usage(); |
duke@435 | 548 | |
duke@435 | 549 | return blob; |
duke@435 | 550 | } |
duke@435 | 551 | |
duke@435 | 552 | |
duke@435 | 553 | void* SafepointBlob::operator new(size_t s, unsigned size) { |
duke@435 | 554 | void* p = CodeCache::allocate(size); |
duke@435 | 555 | if (!p) fatal("Initial size of CodeCache is too small"); |
duke@435 | 556 | return p; |
duke@435 | 557 | } |
duke@435 | 558 | |
duke@435 | 559 | |
duke@435 | 560 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 561 | // Verification and printing |
duke@435 | 562 | |
duke@435 | 563 | void CodeBlob::verify() { |
duke@435 | 564 | ShouldNotReachHere(); |
duke@435 | 565 | } |
duke@435 | 566 | |
duke@435 | 567 | #ifndef PRODUCT |
duke@435 | 568 | |
duke@435 | 569 | void CodeBlob::print() const { |
duke@435 | 570 | tty->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this); |
duke@435 | 571 | tty->print_cr("Framesize: %d", _frame_size); |
duke@435 | 572 | } |
duke@435 | 573 | |
duke@435 | 574 | |
duke@435 | 575 | void CodeBlob::print_value_on(outputStream* st) const { |
duke@435 | 576 | st->print_cr("[CodeBlob]"); |
duke@435 | 577 | } |
duke@435 | 578 | |
duke@435 | 579 | #endif |
duke@435 | 580 | |
duke@435 | 581 | void BufferBlob::verify() { |
duke@435 | 582 | // unimplemented |
duke@435 | 583 | } |
duke@435 | 584 | |
duke@435 | 585 | #ifndef PRODUCT |
duke@435 | 586 | |
duke@435 | 587 | void BufferBlob::print() const { |
duke@435 | 588 | CodeBlob::print(); |
duke@435 | 589 | print_value_on(tty); |
duke@435 | 590 | } |
duke@435 | 591 | |
duke@435 | 592 | |
duke@435 | 593 | void BufferBlob::print_value_on(outputStream* st) const { |
duke@435 | 594 | st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", this, name()); |
duke@435 | 595 | } |
duke@435 | 596 | |
duke@435 | 597 | |
duke@435 | 598 | #endif |
duke@435 | 599 | |
duke@435 | 600 | void RuntimeStub::verify() { |
duke@435 | 601 | // unimplemented |
duke@435 | 602 | } |
duke@435 | 603 | |
duke@435 | 604 | #ifndef PRODUCT |
duke@435 | 605 | |
duke@435 | 606 | void RuntimeStub::print() const { |
duke@435 | 607 | CodeBlob::print(); |
duke@435 | 608 | tty->print("Runtime Stub (" INTPTR_FORMAT "): ", this); |
duke@435 | 609 | tty->print_cr(name()); |
duke@435 | 610 | Disassembler::decode((CodeBlob*)this); |
duke@435 | 611 | } |
duke@435 | 612 | |
duke@435 | 613 | |
duke@435 | 614 | void RuntimeStub::print_value_on(outputStream* st) const { |
duke@435 | 615 | st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name()); |
duke@435 | 616 | } |
duke@435 | 617 | |
duke@435 | 618 | #endif |
duke@435 | 619 | |
duke@435 | 620 | void SingletonBlob::verify() { |
duke@435 | 621 | // unimplemented |
duke@435 | 622 | } |
duke@435 | 623 | |
duke@435 | 624 | #ifndef PRODUCT |
duke@435 | 625 | |
duke@435 | 626 | void SingletonBlob::print() const { |
duke@435 | 627 | CodeBlob::print(); |
duke@435 | 628 | tty->print_cr(name()); |
duke@435 | 629 | Disassembler::decode((CodeBlob*)this); |
duke@435 | 630 | } |
duke@435 | 631 | |
duke@435 | 632 | |
duke@435 | 633 | void SingletonBlob::print_value_on(outputStream* st) const { |
duke@435 | 634 | st->print_cr(name()); |
duke@435 | 635 | } |
duke@435 | 636 | |
duke@435 | 637 | void DeoptimizationBlob::print_value_on(outputStream* st) const { |
duke@435 | 638 | st->print_cr("Deoptimization (frame not available)"); |
duke@435 | 639 | } |
duke@435 | 640 | |
duke@435 | 641 | #endif // PRODUCT |