Mercurial > hg > truffle
annotate src/share/vm/code/codeBlob.cpp @ 6197:d2a62e0f25eb
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
| author | zgu |
|---|---|
| date | Thu, 28 Jun 2012 17:03:16 -0400 |
| parents | 167b70ff3abc |
| children | 1d7922586cf6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2011, 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 | |
| 1972 | 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 #ifdef TARGET_ARCH_x86 | |
| 43 # include "nativeInst_x86.hpp" | |
| 44 #endif | |
| 45 #ifdef TARGET_ARCH_sparc | |
| 46 # include "nativeInst_sparc.hpp" | |
| 47 #endif | |
| 48 #ifdef TARGET_ARCH_zero | |
| 49 # include "nativeInst_zero.hpp" | |
| 50 #endif | |
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51 #ifdef TARGET_ARCH_arm |
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52 # include "nativeInst_arm.hpp" |
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53 #endif |
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54 #ifdef TARGET_ARCH_ppc |
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55 # include "nativeInst_ppc.hpp" |
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56 #endif |
| 1972 | 57 #ifdef COMPILER1 |
| 58 #include "c1/c1_Runtime1.hpp" | |
| 59 #endif | |
| 0 | 60 |
| 61 unsigned int align_code_offset(int offset) { | |
| 62 // align the size to CodeEntryAlignment | |
| 63 return | |
| 64 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) | |
| 65 - (int)CodeHeap::header_size(); | |
| 66 } | |
| 67 | |
| 68 | |
| 69 // This must be consistent with the CodeBlob constructor's layout actions. | |
| 70 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { | |
| 71 unsigned int size = header_size; | |
| 72 size += round_to(cb->total_relocation_size(), oopSize); | |
| 73 // align the size to CodeEntryAlignment | |
| 74 size = align_code_offset(size); | |
| 1748 | 75 size += round_to(cb->total_content_size(), oopSize); |
| 0 | 76 size += round_to(cb->total_oop_size(), oopSize); |
| 77 return size; | |
| 78 } | |
| 79 | |
| 80 | |
| 81 // Creates a simple CodeBlob. Sets up the size of the different regions. | |
| 82 CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { | |
| 1748 | 83 assert(size == round_to(size, oopSize), "unaligned size"); |
| 84 assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); | |
| 0 | 85 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
| 86 assert(!UseRelocIndex, "no space allocated for reloc index yet"); | |
| 87 | |
| 88 // Note: If UseRelocIndex is enabled, there needs to be (at least) one | |
| 89 // extra word for the relocation information, containing the reloc | |
| 90 // index table length. Unfortunately, the reloc index table imple- | |
| 91 // mentation is not easily understandable and thus it is not clear | |
| 92 // what exactly the format is supposed to be. For now, we just turn | |
| 93 // off the use of this table (gri 7/6/2000). | |
| 94 | |
| 95 _name = name; | |
| 96 _size = size; | |
| 97 _frame_complete_offset = frame_complete; | |
| 98 _header_size = header_size; | |
| 99 _relocation_size = locs_size; | |
| 1748 | 100 _content_offset = align_code_offset(header_size + _relocation_size); |
| 101 _code_offset = _content_offset; | |
| 0 | 102 _data_offset = size; |
| 103 _frame_size = 0; | |
| 104 set_oop_maps(NULL); | |
| 105 } | |
| 106 | |
| 107 | |
| 108 // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, | |
| 109 // and copy code and relocation info. | |
| 110 CodeBlob::CodeBlob( | |
| 111 const char* name, | |
| 112 CodeBuffer* cb, | |
| 113 int header_size, | |
| 114 int size, | |
| 115 int frame_complete, | |
| 116 int frame_size, | |
| 117 OopMapSet* oop_maps | |
| 118 ) { | |
| 1748 | 119 assert(size == round_to(size, oopSize), "unaligned size"); |
| 0 | 120 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
| 121 | |
| 122 _name = name; | |
| 123 _size = size; | |
| 124 _frame_complete_offset = frame_complete; | |
| 125 _header_size = header_size; | |
| 126 _relocation_size = round_to(cb->total_relocation_size(), oopSize); | |
| 1748 | 127 _content_offset = align_code_offset(header_size + _relocation_size); |
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128 _code_offset = _content_offset + cb->total_offset_of(cb->insts()); |
| 1748 | 129 _data_offset = _content_offset + round_to(cb->total_content_size(), oopSize); |
| 0 | 130 assert(_data_offset <= size, "codeBlob is too small"); |
| 131 | |
| 132 cb->copy_code_and_locs_to(this); | |
| 133 set_oop_maps(oop_maps); | |
| 134 _frame_size = frame_size; | |
| 135 #ifdef COMPILER1 | |
| 136 // probably wrong for tiered | |
| 137 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); | |
| 138 #endif // COMPILER1 | |
| 139 } | |
| 140 | |
| 141 | |
| 142 void CodeBlob::set_oop_maps(OopMapSet* p) { | |
| 143 // Danger Will Robinson! This method allocates a big | |
| 144 // chunk of memory, its your job to free it. | |
| 145 if (p != NULL) { | |
| 146 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps | |
| 6197 | 147 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode); |
| 0 | 148 p->copy_to((address)_oop_maps); |
| 149 } else { | |
| 150 _oop_maps = NULL; | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 | |
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155 void CodeBlob::trace_new_stub(CodeBlob* stub, const char* name1, const char* name2) { |
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156 // Do not hold the CodeCache lock during name formatting. |
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157 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub"); |
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158 |
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159 if (stub != NULL) { |
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160 char stub_id[256]; |
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161 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), ""); |
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162 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2); |
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163 if (PrintStubCode) { |
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164 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub); |
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165 Disassembler::decode(stub->code_begin(), stub->code_end()); |
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166 } |
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167 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); |
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168 |
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169 if (JvmtiExport::should_post_dynamic_code_generated()) { |
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170 const char* stub_name = name2; |
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171 if (name2[0] == '\0') stub_name = name1; |
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172 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); |
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173 } |
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174 } |
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175 |
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176 // Track memory usage statistic after releasing CodeCache_lock |
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177 MemoryService::track_code_cache_memory_usage(); |
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178 } |
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179 |
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180 |
| 0 | 181 void CodeBlob::flush() { |
| 182 if (_oop_maps) { | |
| 6197 | 183 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps, mtCode); |
| 0 | 184 _oop_maps = NULL; |
| 185 } | |
| 186 _comments.free(); | |
| 187 } | |
| 188 | |
| 189 | |
| 190 OopMap* CodeBlob::oop_map_for_return_address(address return_address) { | |
| 1748 | 191 assert(oop_maps() != NULL, "nope"); |
| 192 return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); | |
| 0 | 193 } |
| 194 | |
| 195 | |
| 196 //---------------------------------------------------------------------------------------------------- | |
| 197 // Implementation of BufferBlob | |
| 198 | |
| 199 | |
| 200 BufferBlob::BufferBlob(const char* name, int size) | |
| 201 : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) | |
| 202 {} | |
| 203 | |
| 204 BufferBlob* BufferBlob::create(const char* name, int buffer_size) { | |
| 205 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 206 | |
| 207 BufferBlob* blob = NULL; | |
| 208 unsigned int size = sizeof(BufferBlob); | |
| 209 // align the size to CodeEntryAlignment | |
| 210 size = align_code_offset(size); | |
| 211 size += round_to(buffer_size, oopSize); | |
| 212 assert(name != NULL, "must provide a name"); | |
| 213 { | |
| 214 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 215 blob = new (size) BufferBlob(name, size); | |
| 216 } | |
| 217 // Track memory usage statistic after releasing CodeCache_lock | |
| 218 MemoryService::track_code_cache_memory_usage(); | |
| 219 | |
| 220 return blob; | |
| 221 } | |
| 222 | |
| 223 | |
| 224 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) | |
| 225 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) | |
| 226 {} | |
| 227 | |
| 228 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { | |
| 229 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 230 | |
| 231 BufferBlob* blob = NULL; | |
| 232 unsigned int size = allocation_size(cb, sizeof(BufferBlob)); | |
| 233 assert(name != NULL, "must provide a name"); | |
| 234 { | |
| 235 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 236 blob = new (size) BufferBlob(name, size, cb); | |
| 237 } | |
| 238 // Track memory usage statistic after releasing CodeCache_lock | |
| 239 MemoryService::track_code_cache_memory_usage(); | |
| 240 | |
| 241 return blob; | |
| 242 } | |
| 243 | |
| 244 | |
| 245 void* BufferBlob::operator new(size_t s, unsigned size) { | |
| 246 void* p = CodeCache::allocate(size); | |
| 247 return p; | |
| 248 } | |
| 249 | |
| 250 | |
| 251 void BufferBlob::free( BufferBlob *blob ) { | |
| 252 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 253 { | |
| 254 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 255 CodeCache::free((CodeBlob*)blob); | |
| 256 } | |
| 257 // Track memory usage statistic after releasing CodeCache_lock | |
| 258 MemoryService::track_code_cache_memory_usage(); | |
| 259 } | |
| 260 | |
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261 |
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262 //---------------------------------------------------------------------------------------------------- |
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263 // Implementation of AdapterBlob |
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264 |
| 1663 | 265 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : |
| 266 BufferBlob("I2C/C2I adapters", size, cb) { | |
| 267 CodeCache::commit(this); | |
| 268 } | |
| 269 | |
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270 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { |
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271 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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272 |
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273 AdapterBlob* blob = NULL; |
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274 unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); |
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275 { |
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276 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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277 blob = new (size) AdapterBlob(size, cb); |
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278 } |
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279 // Track memory usage statistic after releasing CodeCache_lock |
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280 MemoryService::track_code_cache_memory_usage(); |
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281 |
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282 return blob; |
| 0 | 283 } |
| 284 | |
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285 |
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286 //---------------------------------------------------------------------------------------------------- |
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287 // Implementation of MethodHandlesAdapterBlob |
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288 |
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289 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { |
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290 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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291 |
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292 MethodHandlesAdapterBlob* blob = NULL; |
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293 unsigned int size = sizeof(MethodHandlesAdapterBlob); |
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294 // align the size to CodeEntryAlignment |
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295 size = align_code_offset(size); |
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296 size += round_to(buffer_size, oopSize); |
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297 { |
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298 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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299 blob = new (size) MethodHandlesAdapterBlob(size); |
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300 } |
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301 // Track memory usage statistic after releasing CodeCache_lock |
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302 MemoryService::track_code_cache_memory_usage(); |
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303 |
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304 return blob; |
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305 } |
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306 |
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307 |
| 0 | 308 //---------------------------------------------------------------------------------------------------- |
| 309 // Implementation of RuntimeStub | |
| 310 | |
| 311 RuntimeStub::RuntimeStub( | |
| 312 const char* name, | |
| 313 CodeBuffer* cb, | |
| 314 int size, | |
| 315 int frame_complete, | |
| 316 int frame_size, | |
| 317 OopMapSet* oop_maps, | |
| 318 bool caller_must_gc_arguments | |
| 319 ) | |
| 320 : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) | |
| 321 { | |
| 322 _caller_must_gc_arguments = caller_must_gc_arguments; | |
| 323 } | |
| 324 | |
| 325 | |
| 326 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, | |
| 327 CodeBuffer* cb, | |
| 328 int frame_complete, | |
| 329 int frame_size, | |
| 330 OopMapSet* oop_maps, | |
| 331 bool caller_must_gc_arguments) | |
| 332 { | |
| 333 RuntimeStub* stub = NULL; | |
| 334 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 335 { | |
| 336 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 337 unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); | |
| 338 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); | |
| 339 } | |
| 340 | |
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341 trace_new_stub(stub, "RuntimeStub - ", stub_name); |
| 0 | 342 |
| 343 return stub; | |
| 344 } | |
| 345 | |
| 346 | |
| 347 void* RuntimeStub::operator new(size_t s, unsigned size) { | |
| 348 void* p = CodeCache::allocate(size); | |
| 349 if (!p) fatal("Initial size of CodeCache is too small"); | |
| 350 return p; | |
| 351 } | |
| 352 | |
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353 // operator new shared by all singletons: |
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354 void* SingletonBlob::operator new(size_t s, unsigned size) { |
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355 void* p = CodeCache::allocate(size); |
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356 if (!p) fatal("Initial size of CodeCache is too small"); |
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357 return p; |
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358 } |
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359 |
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360 |
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361 //---------------------------------------------------------------------------------------------------- |
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362 // Implementation of RicochetBlob |
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363 |
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364 RicochetBlob::RicochetBlob( |
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365 CodeBuffer* cb, |
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366 int size, |
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367 int bounce_offset, |
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368 int exception_offset, |
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369 int frame_size |
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370 ) |
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371 : SingletonBlob("RicochetBlob", cb, sizeof(RicochetBlob), size, frame_size, (OopMapSet*) NULL) |
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372 { |
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373 _bounce_offset = bounce_offset; |
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374 _exception_offset = exception_offset; |
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375 } |
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376 |
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377 |
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378 RicochetBlob* RicochetBlob::create( |
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379 CodeBuffer* cb, |
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380 int bounce_offset, |
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381 int exception_offset, |
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382 int frame_size) |
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383 { |
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384 RicochetBlob* blob = NULL; |
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385 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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386 { |
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387 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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388 unsigned int size = allocation_size(cb, sizeof(RicochetBlob)); |
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389 blob = new (size) RicochetBlob(cb, size, bounce_offset, exception_offset, frame_size); |
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390 } |
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391 |
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392 trace_new_stub(blob, "RicochetBlob"); |
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393 |
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394 return blob; |
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395 } |
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396 |
| 0 | 397 |
| 398 //---------------------------------------------------------------------------------------------------- | |
| 399 // Implementation of DeoptimizationBlob | |
| 400 | |
| 401 DeoptimizationBlob::DeoptimizationBlob( | |
| 402 CodeBuffer* cb, | |
| 403 int size, | |
| 404 OopMapSet* oop_maps, | |
| 405 int unpack_offset, | |
| 406 int unpack_with_exception_offset, | |
| 407 int unpack_with_reexecution_offset, | |
| 408 int frame_size | |
| 409 ) | |
| 410 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) | |
| 411 { | |
| 412 _unpack_offset = unpack_offset; | |
| 413 _unpack_with_exception = unpack_with_exception_offset; | |
| 414 _unpack_with_reexecution = unpack_with_reexecution_offset; | |
| 415 #ifdef COMPILER1 | |
| 416 _unpack_with_exception_in_tls = -1; | |
| 417 #endif | |
| 418 } | |
| 419 | |
| 420 | |
| 421 DeoptimizationBlob* DeoptimizationBlob::create( | |
| 422 CodeBuffer* cb, | |
| 423 OopMapSet* oop_maps, | |
| 424 int unpack_offset, | |
| 425 int unpack_with_exception_offset, | |
| 426 int unpack_with_reexecution_offset, | |
| 427 int frame_size) | |
| 428 { | |
| 429 DeoptimizationBlob* blob = NULL; | |
| 430 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 431 { | |
| 432 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 433 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); | |
| 434 blob = new (size) DeoptimizationBlob(cb, | |
| 435 size, | |
| 436 oop_maps, | |
| 437 unpack_offset, | |
| 438 unpack_with_exception_offset, | |
| 439 unpack_with_reexecution_offset, | |
| 440 frame_size); | |
| 441 } | |
| 442 | |
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443 trace_new_stub(blob, "DeoptimizationBlob"); |
| 0 | 444 |
| 445 return blob; | |
| 446 } | |
| 447 | |
| 448 | |
| 449 //---------------------------------------------------------------------------------------------------- | |
| 450 // Implementation of UncommonTrapBlob | |
| 451 | |
| 452 #ifdef COMPILER2 | |
| 453 UncommonTrapBlob::UncommonTrapBlob( | |
| 454 CodeBuffer* cb, | |
| 455 int size, | |
| 456 OopMapSet* oop_maps, | |
| 457 int frame_size | |
| 458 ) | |
| 459 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) | |
| 460 {} | |
| 461 | |
| 462 | |
| 463 UncommonTrapBlob* UncommonTrapBlob::create( | |
| 464 CodeBuffer* cb, | |
| 465 OopMapSet* oop_maps, | |
| 466 int frame_size) | |
| 467 { | |
| 468 UncommonTrapBlob* blob = NULL; | |
| 469 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 470 { | |
| 471 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 472 unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); | |
| 473 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); | |
| 474 } | |
| 475 | |
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476 trace_new_stub(blob, "UncommonTrapBlob"); |
| 0 | 477 |
| 478 return blob; | |
| 479 } | |
| 480 | |
| 481 | |
| 482 #endif // COMPILER2 | |
| 483 | |
| 484 | |
| 485 //---------------------------------------------------------------------------------------------------- | |
| 486 // Implementation of ExceptionBlob | |
| 487 | |
| 488 #ifdef COMPILER2 | |
| 489 ExceptionBlob::ExceptionBlob( | |
| 490 CodeBuffer* cb, | |
| 491 int size, | |
| 492 OopMapSet* oop_maps, | |
| 493 int frame_size | |
| 494 ) | |
| 495 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) | |
| 496 {} | |
| 497 | |
| 498 | |
| 499 ExceptionBlob* ExceptionBlob::create( | |
| 500 CodeBuffer* cb, | |
| 501 OopMapSet* oop_maps, | |
| 502 int frame_size) | |
| 503 { | |
| 504 ExceptionBlob* blob = NULL; | |
| 505 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 506 { | |
| 507 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 508 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); | |
| 509 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); | |
| 510 } | |
| 511 | |
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512 trace_new_stub(blob, "ExceptionBlob"); |
| 0 | 513 |
| 514 return blob; | |
| 515 } | |
| 516 | |
| 517 | |
| 518 #endif // COMPILER2 | |
| 519 | |
| 520 | |
| 521 //---------------------------------------------------------------------------------------------------- | |
| 522 // Implementation of SafepointBlob | |
| 523 | |
| 524 SafepointBlob::SafepointBlob( | |
| 525 CodeBuffer* cb, | |
| 526 int size, | |
| 527 OopMapSet* oop_maps, | |
| 528 int frame_size | |
| 529 ) | |
| 530 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) | |
| 531 {} | |
| 532 | |
| 533 | |
| 534 SafepointBlob* SafepointBlob::create( | |
| 535 CodeBuffer* cb, | |
| 536 OopMapSet* oop_maps, | |
| 537 int frame_size) | |
| 538 { | |
| 539 SafepointBlob* blob = NULL; | |
| 540 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 541 { | |
| 542 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 543 unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); | |
| 544 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); | |
| 545 } | |
| 546 | |
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547 trace_new_stub(blob, "SafepointBlob"); |
| 0 | 548 |
| 549 return blob; | |
| 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 } |