Mercurial > hg > truffle
annotate src/share/vm/code/codeBlob.cpp @ 14714:b602356a9cfc
additional canonicalizers for accesses and value nodes (improves number of implicit null checks)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 20 Mar 2014 17:15:36 +0100 |
parents | 096c224171c4 |
children | 52b4284cb496 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2013, 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); |
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77 size += round_to(cb->total_metadata_size(), oopSize); |
0 | 78 return size; |
79 } | |
80 | |
81 | |
82 // Creates a simple CodeBlob. Sets up the size of the different regions. | |
83 CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { | |
1748 | 84 assert(size == round_to(size, oopSize), "unaligned size"); |
85 assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); | |
0 | 86 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
87 assert(!UseRelocIndex, "no space allocated for reloc index yet"); | |
88 | |
89 // Note: If UseRelocIndex is enabled, there needs to be (at least) one | |
90 // extra word for the relocation information, containing the reloc | |
91 // index table length. Unfortunately, the reloc index table imple- | |
92 // mentation is not easily understandable and thus it is not clear | |
93 // what exactly the format is supposed to be. For now, we just turn | |
94 // off the use of this table (gri 7/6/2000). | |
95 | |
96 _name = name; | |
97 _size = size; | |
98 _frame_complete_offset = frame_complete; | |
99 _header_size = header_size; | |
100 _relocation_size = locs_size; | |
1748 | 101 _content_offset = align_code_offset(header_size + _relocation_size); |
102 _code_offset = _content_offset; | |
0 | 103 _data_offset = size; |
104 _frame_size = 0; | |
105 set_oop_maps(NULL); | |
106 } | |
107 | |
108 | |
109 // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, | |
110 // and copy code and relocation info. | |
111 CodeBlob::CodeBlob( | |
112 const char* name, | |
113 CodeBuffer* cb, | |
114 int header_size, | |
115 int size, | |
116 int frame_complete, | |
117 int frame_size, | |
118 OopMapSet* oop_maps | |
119 ) { | |
1748 | 120 assert(size == round_to(size, oopSize), "unaligned size"); |
0 | 121 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
122 | |
123 _name = name; | |
124 _size = size; | |
125 _frame_complete_offset = frame_complete; | |
126 _header_size = header_size; | |
127 _relocation_size = round_to(cb->total_relocation_size(), oopSize); | |
1748 | 128 _content_offset = align_code_offset(header_size + _relocation_size); |
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129 _code_offset = _content_offset + cb->total_offset_of(cb->insts()); |
1748 | 130 _data_offset = _content_offset + round_to(cb->total_content_size(), oopSize); |
0 | 131 assert(_data_offset <= size, "codeBlob is too small"); |
132 | |
133 cb->copy_code_and_locs_to(this); | |
134 set_oop_maps(oop_maps); | |
135 _frame_size = frame_size; | |
136 #ifdef COMPILER1 | |
137 // probably wrong for tiered | |
138 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); | |
139 #endif // COMPILER1 | |
140 } | |
141 | |
142 | |
143 void CodeBlob::set_oop_maps(OopMapSet* p) { | |
144 // Danger Will Robinson! This method allocates a big | |
145 // chunk of memory, its your job to free it. | |
146 if (p != NULL) { | |
147 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps | |
6197 | 148 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode); |
0 | 149 p->copy_to((address)_oop_maps); |
150 } else { | |
151 _oop_maps = NULL; | |
152 } | |
153 } | |
154 | |
155 | |
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156 void CodeBlob::trace_new_stub(CodeBlob* stub, const char* name1, const char* name2) { |
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157 // Do not hold the CodeCache lock during name formatting. |
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158 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub"); |
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159 |
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160 if (stub != NULL) { |
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161 char stub_id[256]; |
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162 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), ""); |
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163 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2); |
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164 if (PrintStubCode) { |
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165 ttyLocker ttyl; |
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166 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub); |
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167 Disassembler::decode(stub->code_begin(), stub->code_end()); |
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168 tty->cr(); |
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169 } |
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170 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); |
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171 |
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172 if (JvmtiExport::should_post_dynamic_code_generated()) { |
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173 const char* stub_name = name2; |
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174 if (name2[0] == '\0') stub_name = name1; |
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175 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); |
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176 } |
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177 } |
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178 |
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179 // Track memory usage statistic after releasing CodeCache_lock |
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180 MemoryService::track_code_cache_memory_usage(); |
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181 } |
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182 |
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183 |
0 | 184 void CodeBlob::flush() { |
185 if (_oop_maps) { | |
6197 | 186 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps, mtCode); |
0 | 187 _oop_maps = NULL; |
188 } | |
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189 _strings.free(); |
0 | 190 } |
191 | |
192 | |
193 OopMap* CodeBlob::oop_map_for_return_address(address return_address) { | |
1748 | 194 assert(oop_maps() != NULL, "nope"); |
195 return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); | |
0 | 196 } |
197 | |
198 | |
199 //---------------------------------------------------------------------------------------------------- | |
200 // Implementation of BufferBlob | |
201 | |
202 | |
203 BufferBlob::BufferBlob(const char* name, int size) | |
204 : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) | |
205 {} | |
206 | |
207 BufferBlob* BufferBlob::create(const char* name, int buffer_size) { | |
208 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
209 | |
210 BufferBlob* blob = NULL; | |
211 unsigned int size = sizeof(BufferBlob); | |
212 // align the size to CodeEntryAlignment | |
213 size = align_code_offset(size); | |
214 size += round_to(buffer_size, oopSize); | |
215 assert(name != NULL, "must provide a name"); | |
216 { | |
217 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
218 blob = new (size) BufferBlob(name, size); | |
219 } | |
220 // Track memory usage statistic after releasing CodeCache_lock | |
221 MemoryService::track_code_cache_memory_usage(); | |
222 | |
223 return blob; | |
224 } | |
225 | |
226 | |
227 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) | |
228 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) | |
229 {} | |
230 | |
231 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { | |
232 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
233 | |
234 BufferBlob* blob = NULL; | |
235 unsigned int size = allocation_size(cb, sizeof(BufferBlob)); | |
236 assert(name != NULL, "must provide a name"); | |
237 { | |
238 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
239 blob = new (size) BufferBlob(name, size, cb); | |
240 } | |
241 // Track memory usage statistic after releasing CodeCache_lock | |
242 MemoryService::track_code_cache_memory_usage(); | |
243 | |
244 return blob; | |
245 } | |
246 | |
247 | |
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248 void* BufferBlob::operator new(size_t s, unsigned size, bool is_critical) throw() { |
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249 void* p = CodeCache::allocate(size, is_critical); |
0 | 250 return p; |
251 } | |
252 | |
253 | |
254 void BufferBlob::free( BufferBlob *blob ) { | |
255 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
256 { | |
257 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
258 CodeCache::free((CodeBlob*)blob); | |
259 } | |
260 // Track memory usage statistic after releasing CodeCache_lock | |
261 MemoryService::track_code_cache_memory_usage(); | |
262 } | |
263 | |
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264 |
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265 //---------------------------------------------------------------------------------------------------- |
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266 // Implementation of AdapterBlob |
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267 |
1663 | 268 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : |
269 BufferBlob("I2C/C2I adapters", size, cb) { | |
270 CodeCache::commit(this); | |
271 } | |
272 | |
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273 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { |
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274 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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275 |
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276 AdapterBlob* blob = NULL; |
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277 unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); |
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278 { |
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279 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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280 // The parameter 'true' indicates a critical memory allocation. |
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281 // This means that CodeCacheMinimumFreeSpace is used, if necessary |
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282 const bool is_critical = true; |
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283 blob = new (size, is_critical) AdapterBlob(size, cb); |
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284 } |
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285 // Track memory usage statistic after releasing CodeCache_lock |
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286 MemoryService::track_code_cache_memory_usage(); |
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287 |
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288 return blob; |
0 | 289 } |
290 | |
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291 |
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292 //---------------------------------------------------------------------------------------------------- |
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293 // Implementation of MethodHandlesAdapterBlob |
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294 |
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295 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { |
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296 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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297 |
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298 MethodHandlesAdapterBlob* blob = NULL; |
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299 unsigned int size = sizeof(MethodHandlesAdapterBlob); |
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300 // align the size to CodeEntryAlignment |
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301 size = align_code_offset(size); |
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302 size += round_to(buffer_size, oopSize); |
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303 { |
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304 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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305 // The parameter 'true' indicates a critical memory allocation. |
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306 // This means that CodeCacheMinimumFreeSpace is used, if necessary |
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307 const bool is_critical = true; |
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308 blob = new (size, is_critical) MethodHandlesAdapterBlob(size); |
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309 } |
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310 // Track memory usage statistic after releasing CodeCache_lock |
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311 MemoryService::track_code_cache_memory_usage(); |
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312 |
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313 return blob; |
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314 } |
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315 |
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316 |
0 | 317 //---------------------------------------------------------------------------------------------------- |
318 // Implementation of RuntimeStub | |
319 | |
320 RuntimeStub::RuntimeStub( | |
321 const char* name, | |
322 CodeBuffer* cb, | |
323 int size, | |
324 int frame_complete, | |
325 int frame_size, | |
326 OopMapSet* oop_maps, | |
327 bool caller_must_gc_arguments | |
328 ) | |
329 : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) | |
330 { | |
331 _caller_must_gc_arguments = caller_must_gc_arguments; | |
332 } | |
333 | |
334 | |
335 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, | |
336 CodeBuffer* cb, | |
337 int frame_complete, | |
338 int frame_size, | |
339 OopMapSet* oop_maps, | |
340 bool caller_must_gc_arguments) | |
341 { | |
342 RuntimeStub* stub = 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(RuntimeStub)); | |
347 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); | |
348 } | |
349 | |
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350 trace_new_stub(stub, "RuntimeStub - ", stub_name); |
0 | 351 |
352 return stub; | |
353 } | |
354 | |
355 | |
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356 void* RuntimeStub::operator new(size_t s, unsigned size) throw() { |
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357 void* p = CodeCache::allocate(size, true); |
0 | 358 if (!p) fatal("Initial size of CodeCache is too small"); |
359 return p; | |
360 } | |
361 | |
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362 // operator new shared by all singletons: |
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363 void* SingletonBlob::operator new(size_t s, unsigned size) throw() { |
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364 void* p = CodeCache::allocate(size, true); |
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365 if (!p) fatal("Initial size of CodeCache is too small"); |
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366 return p; |
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367 } |
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368 |
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369 |
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370 //---------------------------------------------------------------------------------------------------- |
0 | 371 // Implementation of DeoptimizationBlob |
372 | |
373 DeoptimizationBlob::DeoptimizationBlob( | |
374 CodeBuffer* cb, | |
375 int size, | |
376 OopMapSet* oop_maps, | |
377 int unpack_offset, | |
378 int unpack_with_exception_offset, | |
379 int unpack_with_reexecution_offset, | |
380 int frame_size | |
381 ) | |
382 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) | |
383 { | |
384 _unpack_offset = unpack_offset; | |
385 _unpack_with_exception = unpack_with_exception_offset; | |
386 _unpack_with_reexecution = unpack_with_reexecution_offset; | |
387 #ifdef COMPILER1 | |
388 _unpack_with_exception_in_tls = -1; | |
389 #endif | |
390 } | |
391 | |
392 | |
393 DeoptimizationBlob* DeoptimizationBlob::create( | |
394 CodeBuffer* cb, | |
395 OopMapSet* oop_maps, | |
396 int unpack_offset, | |
397 int unpack_with_exception_offset, | |
398 int unpack_with_reexecution_offset, | |
399 int frame_size) | |
400 { | |
401 DeoptimizationBlob* blob = NULL; | |
402 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
403 { | |
404 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
405 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); | |
406 blob = new (size) DeoptimizationBlob(cb, | |
407 size, | |
408 oop_maps, | |
409 unpack_offset, | |
410 unpack_with_exception_offset, | |
411 unpack_with_reexecution_offset, | |
412 frame_size); | |
413 } | |
414 | |
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415 trace_new_stub(blob, "DeoptimizationBlob"); |
0 | 416 |
417 return blob; | |
418 } | |
419 | |
420 | |
421 //---------------------------------------------------------------------------------------------------- | |
422 // Implementation of UncommonTrapBlob | |
423 | |
424 #ifdef COMPILER2 | |
425 UncommonTrapBlob::UncommonTrapBlob( | |
426 CodeBuffer* cb, | |
427 int size, | |
428 OopMapSet* oop_maps, | |
429 int frame_size | |
430 ) | |
431 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) | |
432 {} | |
433 | |
434 | |
435 UncommonTrapBlob* UncommonTrapBlob::create( | |
436 CodeBuffer* cb, | |
437 OopMapSet* oop_maps, | |
438 int frame_size) | |
439 { | |
440 UncommonTrapBlob* blob = NULL; | |
441 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
442 { | |
443 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
444 unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); | |
445 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); | |
446 } | |
447 | |
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448 trace_new_stub(blob, "UncommonTrapBlob"); |
0 | 449 |
450 return blob; | |
451 } | |
452 | |
453 | |
454 #endif // COMPILER2 | |
455 | |
456 | |
457 //---------------------------------------------------------------------------------------------------- | |
458 // Implementation of ExceptionBlob | |
459 | |
460 #ifdef COMPILER2 | |
461 ExceptionBlob::ExceptionBlob( | |
462 CodeBuffer* cb, | |
463 int size, | |
464 OopMapSet* oop_maps, | |
465 int frame_size | |
466 ) | |
467 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) | |
468 {} | |
469 | |
470 | |
471 ExceptionBlob* ExceptionBlob::create( | |
472 CodeBuffer* cb, | |
473 OopMapSet* oop_maps, | |
474 int frame_size) | |
475 { | |
476 ExceptionBlob* blob = NULL; | |
477 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
478 { | |
479 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
480 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); | |
481 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); | |
482 } | |
483 | |
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484 trace_new_stub(blob, "ExceptionBlob"); |
0 | 485 |
486 return blob; | |
487 } | |
488 | |
489 | |
490 #endif // COMPILER2 | |
491 | |
492 | |
493 //---------------------------------------------------------------------------------------------------- | |
494 // Implementation of SafepointBlob | |
495 | |
496 SafepointBlob::SafepointBlob( | |
497 CodeBuffer* cb, | |
498 int size, | |
499 OopMapSet* oop_maps, | |
500 int frame_size | |
501 ) | |
502 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) | |
503 {} | |
504 | |
505 | |
506 SafepointBlob* SafepointBlob::create( | |
507 CodeBuffer* cb, | |
508 OopMapSet* oop_maps, | |
509 int frame_size) | |
510 { | |
511 SafepointBlob* blob = NULL; | |
512 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
513 { | |
514 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
515 unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); | |
516 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); | |
517 } | |
518 | |
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519 trace_new_stub(blob, "SafepointBlob"); |
0 | 520 |
521 return blob; | |
522 } | |
523 | |
524 | |
525 //---------------------------------------------------------------------------------------------------- | |
526 // Verification and printing | |
527 | |
528 void CodeBlob::verify() { | |
529 ShouldNotReachHere(); | |
530 } | |
531 | |
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532 void CodeBlob::print_on(outputStream* st) const { |
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533 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this); |
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534 st->print_cr("Framesize: %d", _frame_size); |
0 | 535 } |
536 | |
537 void CodeBlob::print_value_on(outputStream* st) const { | |
538 st->print_cr("[CodeBlob]"); | |
539 } | |
540 | |
541 void BufferBlob::verify() { | |
542 // unimplemented | |
543 } | |
544 | |
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545 void BufferBlob::print_on(outputStream* st) const { |
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546 CodeBlob::print_on(st); |
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547 print_value_on(st); |
0 | 548 } |
549 | |
550 void BufferBlob::print_value_on(outputStream* st) const { | |
551 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", this, name()); | |
552 } | |
553 | |
554 void RuntimeStub::verify() { | |
555 // unimplemented | |
556 } | |
557 | |
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558 void RuntimeStub::print_on(outputStream* st) const { |
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559 ttyLocker ttyl; |
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560 CodeBlob::print_on(st); |
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561 st->print("Runtime Stub (" INTPTR_FORMAT "): ", this); |
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562 st->print_cr(name()); |
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563 Disassembler::decode((CodeBlob*)this, st); |
0 | 564 } |
565 | |
566 void RuntimeStub::print_value_on(outputStream* st) const { | |
567 st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name()); | |
568 } | |
569 | |
570 void SingletonBlob::verify() { | |
571 // unimplemented | |
572 } | |
573 | |
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574 void SingletonBlob::print_on(outputStream* st) const { |
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575 ttyLocker ttyl; |
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576 CodeBlob::print_on(st); |
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577 st->print_cr(name()); |
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578 Disassembler::decode((CodeBlob*)this, st); |
0 | 579 } |
580 | |
581 void SingletonBlob::print_value_on(outputStream* st) const { | |
582 st->print_cr(name()); | |
583 } | |
584 | |
585 void DeoptimizationBlob::print_value_on(outputStream* st) const { | |
586 st->print_cr("Deoptimization (frame not available)"); | |
587 } |