Mercurial > hg > truffle
annotate src/share/vm/code/codeBlob.cpp @ 1775:30f67acf635d
6765718: Indicate which thread throwing OOME when generating the heap dump at OOME
Summary: Emit a fake frame that makes it look like the thread is in the OutOfMemoryError zero-parameter constructor
Reviewed-by: dcubed
author | thurka |
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date | Sat, 11 Sep 2010 08:18:31 +0200 |
parents | 0878d7bae69f |
children | f95d63e2154a |
rev | line source |
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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); |
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95 _code_offset = _content_offset + cb->total_offset_of(cb->insts()); |
1748 | 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 } |