Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/frame.cpp @ 17936:968a17f18337
8042786: Proper fix for 8032566
Summary: Check for overflow cases in range checks and collapse it if we can.
Reviewed-by: jrose, iveresov
author | kvn |
---|---|
date | Fri, 16 May 2014 12:05:14 -0700 |
parents | af8cc1dae608 |
children | 78bbf4d43a14 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 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" |
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26 #include "compiler/abstractCompiler.hpp" |
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27 #include "compiler/disassembler.hpp" |
1972 | 28 #include "gc_interface/collectedHeap.inline.hpp" |
29 #include "interpreter/interpreter.hpp" | |
30 #include "interpreter/oopMapCache.hpp" | |
31 #include "memory/resourceArea.hpp" | |
32 #include "memory/universe.inline.hpp" | |
33 #include "oops/markOop.hpp" | |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
1972 | 36 #include "oops/oop.inline.hpp" |
37 #include "oops/oop.inline2.hpp" | |
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38 #include "prims/methodHandles.hpp" |
1972 | 39 #include "runtime/frame.inline.hpp" |
40 #include "runtime/handles.inline.hpp" | |
41 #include "runtime/javaCalls.hpp" | |
42 #include "runtime/monitorChunk.hpp" | |
43 #include "runtime/sharedRuntime.hpp" | |
44 #include "runtime/signature.hpp" | |
45 #include "runtime/stubCodeGenerator.hpp" | |
46 #include "runtime/stubRoutines.hpp" | |
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47 #include "utilities/decoder.hpp" |
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48 |
1972 | 49 #ifdef TARGET_ARCH_x86 |
50 # include "nativeInst_x86.hpp" | |
51 #endif | |
52 #ifdef TARGET_ARCH_sparc | |
53 # include "nativeInst_sparc.hpp" | |
54 #endif | |
55 #ifdef TARGET_ARCH_zero | |
56 # include "nativeInst_zero.hpp" | |
57 #endif | |
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58 #ifdef TARGET_ARCH_arm |
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59 # include "nativeInst_arm.hpp" |
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60 #endif |
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61 #ifdef TARGET_ARCH_ppc |
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62 # include "nativeInst_ppc.hpp" |
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63 #endif |
0 | 64 |
65 RegisterMap::RegisterMap(JavaThread *thread, bool update_map) { | |
66 _thread = thread; | |
67 _update_map = update_map; | |
68 clear(); | |
69 debug_only(_update_for_id = NULL;) | |
70 #ifndef PRODUCT | |
71 for (int i = 0; i < reg_count ; i++ ) _location[i] = NULL; | |
72 #endif /* PRODUCT */ | |
73 } | |
74 | |
75 RegisterMap::RegisterMap(const RegisterMap* map) { | |
76 assert(map != this, "bad initialization parameter"); | |
77 assert(map != NULL, "RegisterMap must be present"); | |
78 _thread = map->thread(); | |
79 _update_map = map->update_map(); | |
80 _include_argument_oops = map->include_argument_oops(); | |
81 debug_only(_update_for_id = map->_update_for_id;) | |
82 pd_initialize_from(map); | |
83 if (update_map()) { | |
84 for(int i = 0; i < location_valid_size; i++) { | |
85 LocationValidType bits = !update_map() ? 0 : map->_location_valid[i]; | |
86 _location_valid[i] = bits; | |
87 // for whichever bits are set, pull in the corresponding map->_location | |
88 int j = i*location_valid_type_size; | |
89 while (bits != 0) { | |
90 if ((bits & 1) != 0) { | |
91 assert(0 <= j && j < reg_count, "range check"); | |
92 _location[j] = map->_location[j]; | |
93 } | |
94 bits >>= 1; | |
95 j += 1; | |
96 } | |
97 } | |
98 } | |
99 } | |
100 | |
101 void RegisterMap::clear() { | |
102 set_include_argument_oops(true); | |
103 if (_update_map) { | |
104 for(int i = 0; i < location_valid_size; i++) { | |
105 _location_valid[i] = 0; | |
106 } | |
107 pd_clear(); | |
108 } else { | |
109 pd_initialize(); | |
110 } | |
111 } | |
112 | |
113 #ifndef PRODUCT | |
114 | |
115 void RegisterMap::print_on(outputStream* st) const { | |
116 st->print_cr("Register map"); | |
117 for(int i = 0; i < reg_count; i++) { | |
118 | |
119 VMReg r = VMRegImpl::as_VMReg(i); | |
120 intptr_t* src = (intptr_t*) location(r); | |
121 if (src != NULL) { | |
122 | |
417 | 123 r->print_on(st); |
124 st->print(" [" INTPTR_FORMAT "] = ", src); | |
0 | 125 if (((uintptr_t)src & (sizeof(*src)-1)) != 0) { |
417 | 126 st->print_cr("<misaligned>"); |
0 | 127 } else { |
417 | 128 st->print_cr(INTPTR_FORMAT, *src); |
0 | 129 } |
130 } | |
131 } | |
132 } | |
133 | |
134 void RegisterMap::print() const { | |
135 print_on(tty); | |
136 } | |
137 | |
138 #endif | |
139 // This returns the pc that if you were in the debugger you'd see. Not | |
140 // the idealized value in the frame object. This undoes the magic conversion | |
141 // that happens for deoptimized frames. In addition it makes the value the | |
142 // hardware would want to see in the native frame. The only user (at this point) | |
143 // is deoptimization. It likely no one else should ever use it. | |
144 | |
145 address frame::raw_pc() const { | |
146 if (is_deoptimized_frame()) { | |
1204 | 147 nmethod* nm = cb()->as_nmethod_or_null(); |
148 if (nm->is_method_handle_return(pc())) | |
149 return nm->deopt_mh_handler_begin() - pc_return_offset; | |
150 else | |
151 return nm->deopt_handler_begin() - pc_return_offset; | |
0 | 152 } else { |
153 return (pc() - pc_return_offset); | |
154 } | |
155 } | |
156 | |
157 // Change the pc in a frame object. This does not change the actual pc in | |
158 // actual frame. To do that use patch_pc. | |
159 // | |
160 void frame::set_pc(address newpc ) { | |
161 #ifdef ASSERT | |
162 if (_cb != NULL && _cb->is_nmethod()) { | |
163 assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant violation"); | |
164 } | |
165 #endif // ASSERT | |
166 | |
167 // Unsafe to use the is_deoptimzed tester after changing pc | |
168 _deopt_state = unknown; | |
169 _pc = newpc; | |
170 _cb = CodeCache::find_blob_unsafe(_pc); | |
171 | |
172 } | |
173 | |
174 // type testers | |
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175 bool frame::is_ignored_frame() const { |
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176 return false; // FIXME: some LambdaForm frames should be ignored |
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177 } |
0 | 178 bool frame::is_deoptimized_frame() const { |
179 assert(_deopt_state != unknown, "not answerable"); | |
180 return _deopt_state == is_deoptimized; | |
181 } | |
182 | |
183 bool frame::is_native_frame() const { | |
184 return (_cb != NULL && | |
185 _cb->is_nmethod() && | |
186 ((nmethod*)_cb)->is_native_method()); | |
187 } | |
188 | |
189 bool frame::is_java_frame() const { | |
190 if (is_interpreted_frame()) return true; | |
191 if (is_compiled_frame()) return true; | |
192 return false; | |
193 } | |
194 | |
195 | |
196 bool frame::is_compiled_frame() const { | |
197 if (_cb != NULL && | |
198 _cb->is_nmethod() && | |
199 ((nmethod*)_cb)->is_java_method()) { | |
200 return true; | |
201 } | |
202 return false; | |
203 } | |
204 | |
205 | |
206 bool frame::is_runtime_frame() const { | |
207 return (_cb != NULL && _cb->is_runtime_stub()); | |
208 } | |
209 | |
210 bool frame::is_safepoint_blob_frame() const { | |
211 return (_cb != NULL && _cb->is_safepoint_stub()); | |
212 } | |
213 | |
214 // testers | |
215 | |
216 bool frame::is_first_java_frame() const { | |
217 RegisterMap map(JavaThread::current(), false); // No update | |
218 frame s; | |
219 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)); | |
220 return s.is_first_frame(); | |
221 } | |
222 | |
223 | |
224 bool frame::entry_frame_is_first() const { | |
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225 return entry_frame_call_wrapper()->is_first_frame(); |
0 | 226 } |
227 | |
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228 JavaCallWrapper* frame::entry_frame_call_wrapper_if_safe(JavaThread* thread) const { |
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229 JavaCallWrapper** jcw = entry_frame_call_wrapper_addr(); |
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230 address addr = (address) jcw; |
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231 |
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232 // addr must be within the usable part of the stack |
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233 if (thread->is_in_usable_stack(addr)) { |
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234 return *jcw; |
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235 } |
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236 |
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237 return NULL; |
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238 } |
0 | 239 |
240 bool frame::should_be_deoptimized() const { | |
241 if (_deopt_state == is_deoptimized || | |
242 !is_compiled_frame() ) return false; | |
243 assert(_cb != NULL && _cb->is_nmethod(), "must be an nmethod"); | |
244 nmethod* nm = (nmethod *)_cb; | |
245 if (TraceDependencies) { | |
246 tty->print("checking (%s) ", nm->is_marked_for_deoptimization() ? "true" : "false"); | |
247 nm->print_value_on(tty); | |
248 tty->cr(); | |
249 } | |
250 | |
251 if( !nm->is_marked_for_deoptimization() ) | |
252 return false; | |
253 | |
254 // If at the return point, then the frame has already been popped, and | |
255 // only the return needs to be executed. Don't deoptimize here. | |
256 return !nm->is_at_poll_return(pc()); | |
257 } | |
258 | |
259 bool frame::can_be_deoptimized() const { | |
260 if (!is_compiled_frame()) return false; | |
261 nmethod* nm = (nmethod*)_cb; | |
262 | |
263 if( !nm->can_be_deoptimized() ) | |
264 return false; | |
265 | |
266 return !nm->is_at_poll_return(pc()); | |
267 } | |
268 | |
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269 void frame::deoptimize(JavaThread* thread) { |
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270 // Schedule deoptimization of an nmethod activation with this frame. |
0 | 271 assert(_cb != NULL && _cb->is_nmethod(), "must be"); |
272 nmethod* nm = (nmethod*)_cb; | |
273 | |
274 // This is a fix for register window patching race | |
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275 if (NeedsDeoptSuspend && Thread::current() != thread) { |
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276 assert(SafepointSynchronize::is_at_safepoint(), |
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277 "patching other threads for deopt may only occur at a safepoint"); |
0 | 278 |
279 // It is possible especially with DeoptimizeALot/DeoptimizeRandom that | |
280 // we could see the frame again and ask for it to be deoptimized since | |
281 // it might move for a long time. That is harmless and we just ignore it. | |
282 if (id() == thread->must_deopt_id()) { | |
283 assert(thread->is_deopt_suspend(), "lost suspension"); | |
284 return; | |
285 } | |
286 | |
287 // We are at a safepoint so the target thread can only be | |
288 // in 4 states: | |
289 // blocked - no problem | |
290 // blocked_trans - no problem (i.e. could have woken up from blocked | |
291 // during a safepoint). | |
292 // native - register window pc patching race | |
293 // native_trans - momentary state | |
294 // | |
295 // We could just wait out a thread in native_trans to block. | |
296 // Then we'd have all the issues that the safepoint code has as to | |
297 // whether to spin or block. It isn't worth it. Just treat it like | |
298 // native and be done with it. | |
299 // | |
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300 // Examine the state of the thread at the start of safepoint since |
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301 // threads that were in native at the start of the safepoint could |
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302 // come to a halt during the safepoint, changing the current value |
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303 // of the safepoint_state. |
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304 JavaThreadState state = thread->safepoint_state()->orig_thread_state(); |
0 | 305 if (state == _thread_in_native || state == _thread_in_native_trans) { |
306 // Since we are at a safepoint the target thread will stop itself | |
307 // before it can return to java as long as we remain at the safepoint. | |
308 // Therefore we can put an additional request for the thread to stop | |
309 // no matter what no (like a suspend). This will cause the thread | |
310 // to notice it needs to do the deopt on its own once it leaves native. | |
311 // | |
312 // The only reason we must do this is because on machine with register | |
313 // windows we have a race with patching the return address and the | |
314 // window coming live as the thread returns to the Java code (but still | |
315 // in native mode) and then blocks. It is only this top most frame | |
316 // that is at risk. So in truth we could add an additional check to | |
317 // see if this frame is one that is at risk. | |
318 RegisterMap map(thread, false); | |
319 frame at_risk = thread->last_frame().sender(&map); | |
320 if (id() == at_risk.id()) { | |
321 thread->set_must_deopt_id(id()); | |
322 thread->set_deopt_suspend(); | |
323 return; | |
324 } | |
325 } | |
326 } // NeedsDeoptSuspend | |
327 | |
328 | |
1204 | 329 // If the call site is a MethodHandle call site use the MH deopt |
330 // handler. | |
331 address deopt = nm->is_method_handle_return(pc()) ? | |
332 nm->deopt_mh_handler_begin() : | |
333 nm->deopt_handler_begin(); | |
334 | |
0 | 335 // Save the original pc before we patch in the new one |
336 nm->set_original_pc(this, pc()); | |
337 patch_pc(thread, deopt); | |
1204 | 338 |
0 | 339 #ifdef ASSERT |
340 { | |
341 RegisterMap map(thread, false); | |
342 frame check = thread->last_frame(); | |
343 while (id() != check.id()) { | |
344 check = check.sender(&map); | |
345 } | |
346 assert(check.is_deoptimized_frame(), "missed deopt"); | |
347 } | |
348 #endif // ASSERT | |
349 } | |
350 | |
351 frame frame::java_sender() const { | |
352 RegisterMap map(JavaThread::current(), false); | |
353 frame s; | |
354 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)) ; | |
355 guarantee(s.is_java_frame(), "tried to get caller of first java frame"); | |
356 return s; | |
357 } | |
358 | |
359 frame frame::real_sender(RegisterMap* map) const { | |
360 frame result = sender(map); | |
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361 while (result.is_runtime_frame() || |
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362 result.is_ignored_frame()) { |
0 | 363 result = result.sender(map); |
364 } | |
365 return result; | |
366 } | |
367 | |
368 // Note: called by profiler - NOT for current thread | |
369 frame frame::profile_find_Java_sender_frame(JavaThread *thread) { | |
370 // If we don't recognize this frame, walk back up the stack until we do | |
371 RegisterMap map(thread, false); | |
372 frame first_java_frame = frame(); | |
373 | |
374 // Find the first Java frame on the stack starting with input frame | |
375 if (is_java_frame()) { | |
376 // top frame is compiled frame or deoptimized frame | |
377 first_java_frame = *this; | |
378 } else if (safe_for_sender(thread)) { | |
379 for (frame sender_frame = sender(&map); | |
380 sender_frame.safe_for_sender(thread) && !sender_frame.is_first_frame(); | |
381 sender_frame = sender_frame.sender(&map)) { | |
382 if (sender_frame.is_java_frame()) { | |
383 first_java_frame = sender_frame; | |
384 break; | |
385 } | |
386 } | |
387 } | |
388 return first_java_frame; | |
389 } | |
390 | |
391 // Interpreter frames | |
392 | |
393 | |
394 void frame::interpreter_frame_set_locals(intptr_t* locs) { | |
395 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
396 *interpreter_frame_locals_addr() = locs; | |
397 } | |
398 | |
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399 Method* frame::interpreter_frame_method() const { |
0 | 400 assert(is_interpreted_frame(), "interpreted frame expected"); |
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401 Method* m = *interpreter_frame_method_addr(); |
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402 assert(m->is_method(), "not a Method*"); |
0 | 403 return m; |
404 } | |
405 | |
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406 void frame::interpreter_frame_set_method(Method* method) { |
0 | 407 assert(is_interpreted_frame(), "interpreted frame expected"); |
408 *interpreter_frame_method_addr() = method; | |
409 } | |
410 | |
411 void frame::interpreter_frame_set_bcx(intptr_t bcx) { | |
412 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
413 if (ProfileInterpreter) { | |
414 bool formerly_bci = is_bci(interpreter_frame_bcx()); | |
415 bool is_now_bci = is_bci(bcx); | |
416 *interpreter_frame_bcx_addr() = bcx; | |
417 | |
418 intptr_t mdx = interpreter_frame_mdx(); | |
419 | |
420 if (mdx != 0) { | |
421 if (formerly_bci) { | |
422 if (!is_now_bci) { | |
423 // The bcx was just converted from bci to bcp. | |
424 // Convert the mdx in parallel. | |
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425 MethodData* mdo = interpreter_frame_method()->method_data(); |
0 | 426 assert(mdo != NULL, ""); |
427 int mdi = mdx - 1; // We distinguish valid mdi from zero by adding one. | |
428 address mdp = mdo->di_to_dp(mdi); | |
429 interpreter_frame_set_mdx((intptr_t)mdp); | |
430 } | |
431 } else { | |
432 if (is_now_bci) { | |
433 // The bcx was just converted from bcp to bci. | |
434 // Convert the mdx in parallel. | |
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435 MethodData* mdo = interpreter_frame_method()->method_data(); |
0 | 436 assert(mdo != NULL, ""); |
437 int mdi = mdo->dp_to_di((address)mdx); | |
438 interpreter_frame_set_mdx((intptr_t)mdi + 1); // distinguish valid from 0. | |
439 } | |
440 } | |
441 } | |
442 } else { | |
443 *interpreter_frame_bcx_addr() = bcx; | |
444 } | |
445 } | |
446 | |
447 jint frame::interpreter_frame_bci() const { | |
448 assert(is_interpreted_frame(), "interpreted frame expected"); | |
449 intptr_t bcx = interpreter_frame_bcx(); | |
450 return is_bci(bcx) ? bcx : interpreter_frame_method()->bci_from((address)bcx); | |
451 } | |
452 | |
453 void frame::interpreter_frame_set_bci(jint bci) { | |
454 assert(is_interpreted_frame(), "interpreted frame expected"); | |
455 assert(!is_bci(interpreter_frame_bcx()), "should not set bci during GC"); | |
456 interpreter_frame_set_bcx((intptr_t)interpreter_frame_method()->bcp_from(bci)); | |
457 } | |
458 | |
459 address frame::interpreter_frame_bcp() const { | |
460 assert(is_interpreted_frame(), "interpreted frame expected"); | |
461 intptr_t bcx = interpreter_frame_bcx(); | |
462 return is_bci(bcx) ? interpreter_frame_method()->bcp_from(bcx) : (address)bcx; | |
463 } | |
464 | |
465 void frame::interpreter_frame_set_bcp(address bcp) { | |
466 assert(is_interpreted_frame(), "interpreted frame expected"); | |
467 assert(!is_bci(interpreter_frame_bcx()), "should not set bcp during GC"); | |
468 interpreter_frame_set_bcx((intptr_t)bcp); | |
469 } | |
470 | |
471 void frame::interpreter_frame_set_mdx(intptr_t mdx) { | |
472 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
473 assert(ProfileInterpreter, "must be profiling interpreter"); | |
474 *interpreter_frame_mdx_addr() = mdx; | |
475 } | |
476 | |
477 address frame::interpreter_frame_mdp() const { | |
478 assert(ProfileInterpreter, "must be profiling interpreter"); | |
479 assert(is_interpreted_frame(), "interpreted frame expected"); | |
480 intptr_t bcx = interpreter_frame_bcx(); | |
481 intptr_t mdx = interpreter_frame_mdx(); | |
482 | |
483 assert(!is_bci(bcx), "should not access mdp during GC"); | |
484 return (address)mdx; | |
485 } | |
486 | |
487 void frame::interpreter_frame_set_mdp(address mdp) { | |
488 assert(is_interpreted_frame(), "interpreted frame expected"); | |
489 if (mdp == NULL) { | |
490 // Always allow the mdp to be cleared. | |
491 interpreter_frame_set_mdx((intptr_t)mdp); | |
492 } | |
493 intptr_t bcx = interpreter_frame_bcx(); | |
494 assert(!is_bci(bcx), "should not set mdp during GC"); | |
495 interpreter_frame_set_mdx((intptr_t)mdp); | |
496 } | |
497 | |
498 BasicObjectLock* frame::next_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
499 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
500 #ifdef ASSERT | |
501 interpreter_frame_verify_monitor(current); | |
502 #endif | |
503 BasicObjectLock* next = (BasicObjectLock*) (((intptr_t*) current) + interpreter_frame_monitor_size()); | |
504 return next; | |
505 } | |
506 | |
507 BasicObjectLock* frame::previous_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
508 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
509 #ifdef ASSERT | |
510 // // This verification needs to be checked before being enabled | |
511 // interpreter_frame_verify_monitor(current); | |
512 #endif | |
513 BasicObjectLock* previous = (BasicObjectLock*) (((intptr_t*) current) - interpreter_frame_monitor_size()); | |
514 return previous; | |
515 } | |
516 | |
517 // Interpreter locals and expression stack locations. | |
518 | |
519 intptr_t* frame::interpreter_frame_local_at(int index) const { | |
520 const int n = Interpreter::local_offset_in_bytes(index)/wordSize; | |
521 return &((*interpreter_frame_locals_addr())[n]); | |
522 } | |
523 | |
524 intptr_t* frame::interpreter_frame_expression_stack_at(jint offset) const { | |
525 const int i = offset * interpreter_frame_expression_stack_direction(); | |
1506 | 526 const int n = i * Interpreter::stackElementWords; |
0 | 527 return &(interpreter_frame_expression_stack()[n]); |
528 } | |
529 | |
530 jint frame::interpreter_frame_expression_stack_size() const { | |
531 // Number of elements on the interpreter expression stack | |
532 // Callers should span by stackElementWords | |
1506 | 533 int element_size = Interpreter::stackElementWords; |
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534 size_t stack_size = 0; |
0 | 535 if (frame::interpreter_frame_expression_stack_direction() < 0) { |
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536 stack_size = (interpreter_frame_expression_stack() - |
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537 interpreter_frame_tos_address() + 1)/element_size; |
0 | 538 } else { |
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539 stack_size = (interpreter_frame_tos_address() - |
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540 interpreter_frame_expression_stack() + 1)/element_size; |
0 | 541 } |
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542 assert( stack_size <= (size_t)max_jint, "stack size too big"); |
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543 return ((jint)stack_size); |
0 | 544 } |
545 | |
546 | |
547 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) | |
548 | |
549 const char* frame::print_name() const { | |
550 if (is_native_frame()) return "Native"; | |
551 if (is_interpreted_frame()) return "Interpreted"; | |
552 if (is_compiled_frame()) { | |
553 if (is_deoptimized_frame()) return "Deoptimized"; | |
554 return "Compiled"; | |
555 } | |
556 if (sp() == NULL) return "Empty"; | |
557 return "C"; | |
558 } | |
559 | |
560 void frame::print_value_on(outputStream* st, JavaThread *thread) const { | |
561 NOT_PRODUCT(address begin = pc()-40;) | |
562 NOT_PRODUCT(address end = NULL;) | |
563 | |
564 st->print("%s frame (sp=" INTPTR_FORMAT " unextended sp=" INTPTR_FORMAT, print_name(), sp(), unextended_sp()); | |
565 if (sp() != NULL) | |
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566 st->print(", fp=" INTPTR_FORMAT ", real_fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT, fp(), real_fp(), pc()); |
0 | 567 |
568 if (StubRoutines::contains(pc())) { | |
569 st->print_cr(")"); | |
570 st->print("("); | |
571 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
572 st->print("~Stub::%s", desc->name()); | |
573 NOT_PRODUCT(begin = desc->begin(); end = desc->end();) | |
574 } else if (Interpreter::contains(pc())) { | |
575 st->print_cr(")"); | |
576 st->print("("); | |
577 InterpreterCodelet* desc = Interpreter::codelet_containing(pc()); | |
578 if (desc != NULL) { | |
579 st->print("~"); | |
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580 desc->print_on(st); |
0 | 581 NOT_PRODUCT(begin = desc->code_begin(); end = desc->code_end();) |
582 } else { | |
583 st->print("~interpreter"); | |
584 } | |
585 } | |
586 st->print_cr(")"); | |
587 | |
588 if (_cb != NULL) { | |
589 st->print(" "); | |
590 _cb->print_value_on(st); | |
591 st->cr(); | |
592 #ifndef PRODUCT | |
593 if (end == NULL) { | |
1748 | 594 begin = _cb->code_begin(); |
595 end = _cb->code_end(); | |
0 | 596 } |
597 #endif | |
598 } | |
599 NOT_PRODUCT(if (WizardMode && Verbose) Disassembler::decode(begin, end);) | |
600 } | |
601 | |
602 | |
603 void frame::print_on(outputStream* st) const { | |
604 print_value_on(st,NULL); | |
605 if (is_interpreted_frame()) { | |
606 interpreter_frame_print_on(st); | |
607 } | |
608 } | |
609 | |
610 | |
611 void frame::interpreter_frame_print_on(outputStream* st) const { | |
612 #ifndef PRODUCT | |
613 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
614 jint i; | |
615 for (i = 0; i < interpreter_frame_method()->max_locals(); i++ ) { | |
616 intptr_t x = *interpreter_frame_local_at(i); | |
617 st->print(" - local [" INTPTR_FORMAT "]", x); | |
618 st->fill_to(23); | |
619 st->print_cr("; #%d", i); | |
620 } | |
621 for (i = interpreter_frame_expression_stack_size() - 1; i >= 0; --i ) { | |
622 intptr_t x = *interpreter_frame_expression_stack_at(i); | |
623 st->print(" - stack [" INTPTR_FORMAT "]", x); | |
624 st->fill_to(23); | |
625 st->print_cr("; #%d", i); | |
626 } | |
627 // locks for synchronization | |
628 for (BasicObjectLock* current = interpreter_frame_monitor_end(); | |
629 current < interpreter_frame_monitor_begin(); | |
630 current = next_monitor_in_interpreter_frame(current)) { | |
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631 st->print(" - obj ["); |
0 | 632 current->obj()->print_value_on(st); |
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633 st->print_cr("]"); |
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634 st->print(" - lock ["); |
0 | 635 current->lock()->print_on(st); |
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636 st->print_cr("]"); |
0 | 637 } |
638 // monitor | |
639 st->print_cr(" - monitor[" INTPTR_FORMAT "]", interpreter_frame_monitor_begin()); | |
640 // bcp | |
641 st->print(" - bcp [" INTPTR_FORMAT "]", interpreter_frame_bcp()); | |
642 st->fill_to(23); | |
643 st->print_cr("; @%d", interpreter_frame_bci()); | |
644 // locals | |
645 st->print_cr(" - locals [" INTPTR_FORMAT "]", interpreter_frame_local_at(0)); | |
646 // method | |
647 st->print(" - method [" INTPTR_FORMAT "]", (address)interpreter_frame_method()); | |
648 st->fill_to(23); | |
649 st->print("; "); | |
650 interpreter_frame_method()->print_name(st); | |
651 st->cr(); | |
652 #endif | |
653 } | |
654 | |
655 // Return whether the frame is in the VM or os indicating a Hotspot problem. | |
656 // Otherwise, it's likely a bug in the native library that the Java code calls, | |
657 // hopefully indicating where to submit bugs. | |
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658 void frame::print_C_frame(outputStream* st, char* buf, int buflen, address pc) { |
0 | 659 // C/C++ frame |
660 bool in_vm = os::address_is_in_vm(pc); | |
661 st->print(in_vm ? "V" : "C"); | |
662 | |
663 int offset; | |
664 bool found; | |
665 | |
666 // libname | |
667 found = os::dll_address_to_library_name(pc, buf, buflen, &offset); | |
668 if (found) { | |
669 // skip directory names | |
670 const char *p1, *p2; | |
671 p1 = buf; | |
672 int len = (int)strlen(os::file_separator()); | |
673 while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; | |
674 st->print(" [%s+0x%x]", p1, offset); | |
675 } else { | |
676 st->print(" " PTR_FORMAT, pc); | |
677 } | |
678 | |
679 // function name - os::dll_address_to_function_name() may return confusing | |
680 // names if pc is within jvm.dll or libjvm.so, because JVM only has | |
681 // JVM_xxxx and a few other symbols in the dynamic symbol table. Do this | |
682 // only for native libraries. | |
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683 if (!in_vm || Decoder::can_decode_C_frame_in_vm()) { |
0 | 684 found = os::dll_address_to_function_name(pc, buf, buflen, &offset); |
685 | |
686 if (found) { | |
687 st->print(" %s+0x%x", buf, offset); | |
688 } | |
689 } | |
690 } | |
691 | |
692 // frame::print_on_error() is called by fatal error handler. Notice that we may | |
693 // crash inside this function if stack frame is corrupted. The fatal error | |
694 // handler can catch and handle the crash. Here we assume the frame is valid. | |
695 // | |
696 // First letter indicates type of the frame: | |
697 // J: Java frame (compiled) | |
698 // j: Java frame (interpreted) | |
699 // V: VM frame (C/C++) | |
700 // v: Other frames running VM generated code (e.g. stubs, adapters, etc.) | |
701 // C: C/C++ frame | |
702 // | |
703 // We don't need detailed frame type as that in frame::print_name(). "C" | |
704 // suggests the problem is in user lib; everything else is likely a VM bug. | |
705 | |
706 void frame::print_on_error(outputStream* st, char* buf, int buflen, bool verbose) const { | |
707 if (_cb != NULL) { | |
708 if (Interpreter::contains(pc())) { | |
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709 Method* m = this->interpreter_frame_method(); |
0 | 710 if (m != NULL) { |
711 m->name_and_sig_as_C_string(buf, buflen); | |
712 st->print("j %s", buf); | |
713 st->print("+%d", this->interpreter_frame_bci()); | |
714 } else { | |
715 st->print("j " PTR_FORMAT, pc()); | |
716 } | |
717 } else if (StubRoutines::contains(pc())) { | |
718 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
719 if (desc != NULL) { | |
720 st->print("v ~StubRoutines::%s", desc->name()); | |
721 } else { | |
722 st->print("v ~StubRoutines::" PTR_FORMAT, pc()); | |
723 } | |
724 } else if (_cb->is_buffer_blob()) { | |
725 st->print("v ~BufferBlob::%s", ((BufferBlob *)_cb)->name()); | |
726 } else if (_cb->is_nmethod()) { | |
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727 nmethod* nm = (nmethod*)_cb; |
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728 Method* m = nm->method(); |
0 | 729 if (m != NULL) { |
730 m->name_and_sig_as_C_string(buf, buflen); | |
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731 st->print("J %d%s %s %s (%d bytes) @ " PTR_FORMAT " [" PTR_FORMAT "+0x%x]", |
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732 nm->compile_id(), (nm->is_osr_method() ? "%" : ""), |
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733 ((nm->compiler() != NULL) ? nm->compiler()->name() : ""), |
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734 buf, m->code_size(), _pc, _cb->code_begin(), _pc - _cb->code_begin()); |
0 | 735 } else { |
736 st->print("J " PTR_FORMAT, pc()); | |
737 } | |
738 } else if (_cb->is_runtime_stub()) { | |
739 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); | |
740 } else if (_cb->is_deoptimization_stub()) { | |
741 st->print("v ~DeoptimizationBlob"); | |
742 } else if (_cb->is_exception_stub()) { | |
743 st->print("v ~ExceptionBlob"); | |
744 } else if (_cb->is_safepoint_stub()) { | |
745 st->print("v ~SafepointBlob"); | |
746 } else { | |
747 st->print("v blob " PTR_FORMAT, pc()); | |
748 } | |
749 } else { | |
750 print_C_frame(st, buf, buflen, pc()); | |
751 } | |
752 } | |
753 | |
754 | |
755 /* | |
756 The interpreter_frame_expression_stack_at method in the case of SPARC needs the | |
757 max_stack value of the method in order to compute the expression stack address. | |
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758 It uses the Method* in order to get the max_stack value but during GC this |
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759 Method* value saved on the frame is changed by reverse_and_push and hence cannot |
0 | 760 be used. So we save the max_stack value in the FrameClosure object and pass it |
761 down to the interpreter_frame_expression_stack_at method | |
762 */ | |
763 class InterpreterFrameClosure : public OffsetClosure { | |
764 private: | |
765 frame* _fr; | |
766 OopClosure* _f; | |
767 int _max_locals; | |
768 int _max_stack; | |
769 | |
770 public: | |
771 InterpreterFrameClosure(frame* fr, int max_locals, int max_stack, | |
772 OopClosure* f) { | |
773 _fr = fr; | |
774 _max_locals = max_locals; | |
775 _max_stack = max_stack; | |
776 _f = f; | |
777 } | |
778 | |
779 void offset_do(int offset) { | |
780 oop* addr; | |
781 if (offset < _max_locals) { | |
782 addr = (oop*) _fr->interpreter_frame_local_at(offset); | |
783 assert((intptr_t*)addr >= _fr->sp(), "must be inside the frame"); | |
784 _f->do_oop(addr); | |
785 } else { | |
786 addr = (oop*) _fr->interpreter_frame_expression_stack_at((offset - _max_locals)); | |
787 // In case of exceptions, the expression stack is invalid and the esp will be reset to express | |
788 // this condition. Therefore, we call f only if addr is 'inside' the stack (i.e., addr >= esp for Intel). | |
789 bool in_stack; | |
790 if (frame::interpreter_frame_expression_stack_direction() > 0) { | |
791 in_stack = (intptr_t*)addr <= _fr->interpreter_frame_tos_address(); | |
792 } else { | |
793 in_stack = (intptr_t*)addr >= _fr->interpreter_frame_tos_address(); | |
794 } | |
795 if (in_stack) { | |
796 _f->do_oop(addr); | |
797 } | |
798 } | |
799 } | |
800 | |
801 int max_locals() { return _max_locals; } | |
802 frame* fr() { return _fr; } | |
803 }; | |
804 | |
805 | |
806 class InterpretedArgumentOopFinder: public SignatureInfo { | |
807 private: | |
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808 OopClosure* _f; // Closure to invoke |
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809 int _offset; // TOS-relative offset, decremented with each argument |
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810 bool _has_receiver; // true if the callee has a receiver |
0 | 811 frame* _fr; |
812 | |
813 void set(int size, BasicType type) { | |
814 _offset -= size; | |
815 if (type == T_OBJECT || type == T_ARRAY) oop_offset_do(); | |
816 } | |
817 | |
818 void oop_offset_do() { | |
819 oop* addr; | |
820 addr = (oop*)_fr->interpreter_frame_tos_at(_offset); | |
821 _f->do_oop(addr); | |
822 } | |
823 | |
824 public: | |
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825 InterpretedArgumentOopFinder(Symbol* signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) { |
0 | 826 // compute size of arguments |
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827 int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
0 | 828 assert(!fr->is_interpreted_frame() || |
829 args_size <= fr->interpreter_frame_expression_stack_size(), | |
830 "args cannot be on stack anymore"); | |
831 // initialize InterpretedArgumentOopFinder | |
832 _f = f; | |
833 _fr = fr; | |
834 _offset = args_size; | |
835 } | |
836 | |
837 void oops_do() { | |
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838 if (_has_receiver) { |
0 | 839 --_offset; |
840 oop_offset_do(); | |
841 } | |
842 iterate_parameters(); | |
843 } | |
844 }; | |
845 | |
846 | |
847 // Entry frame has following form (n arguments) | |
848 // +-----------+ | |
849 // sp -> | last arg | | |
850 // +-----------+ | |
851 // : ::: : | |
852 // +-----------+ | |
853 // (sp+n)->| first arg| | |
854 // +-----------+ | |
855 | |
856 | |
857 | |
858 // visits and GC's all the arguments in entry frame | |
859 class EntryFrameOopFinder: public SignatureInfo { | |
860 private: | |
861 bool _is_static; | |
862 int _offset; | |
863 frame* _fr; | |
864 OopClosure* _f; | |
865 | |
866 void set(int size, BasicType type) { | |
867 assert (_offset >= 0, "illegal offset"); | |
868 if (type == T_OBJECT || type == T_ARRAY) oop_at_offset_do(_offset); | |
869 _offset -= size; | |
870 } | |
871 | |
872 void oop_at_offset_do(int offset) { | |
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873 assert (offset >= 0, "illegal offset"); |
0 | 874 oop* addr = (oop*) _fr->entry_frame_argument_at(offset); |
875 _f->do_oop(addr); | |
876 } | |
877 | |
878 public: | |
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879 EntryFrameOopFinder(frame* frame, Symbol* signature, bool is_static) : SignatureInfo(signature) { |
0 | 880 _f = NULL; // will be set later |
881 _fr = frame; | |
882 _is_static = is_static; | |
883 _offset = ArgumentSizeComputer(signature).size() - 1; // last parameter is at index 0 | |
884 } | |
885 | |
886 void arguments_do(OopClosure* f) { | |
887 _f = f; | |
888 if (!_is_static) oop_at_offset_do(_offset+1); // do the receiver | |
889 iterate_parameters(); | |
890 } | |
891 | |
892 }; | |
893 | |
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894 oop* frame::interpreter_callee_receiver_addr(Symbol* signature) { |
0 | 895 ArgumentSizeComputer asc(signature); |
896 int size = asc.size(); | |
897 return (oop *)interpreter_frame_tos_at(size); | |
898 } | |
899 | |
900 | |
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901 void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f, |
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902 const RegisterMap* map, bool query_oop_map_cache) { |
0 | 903 assert(is_interpreted_frame(), "Not an interpreted frame"); |
904 assert(map != NULL, "map must be set"); | |
905 Thread *thread = Thread::current(); | |
906 methodHandle m (thread, interpreter_frame_method()); | |
907 jint bci = interpreter_frame_bci(); | |
908 | |
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909 assert(!Universe::heap()->is_in(m()), |
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910 "must be valid oop"); |
0 | 911 assert(m->is_method(), "checking frame value"); |
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912 assert((m->is_native() && bci == 0) || |
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913 (!m->is_native() && bci >= 0 && bci < m->code_size()), |
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914 "invalid bci value"); |
0 | 915 |
916 // Handle the monitor elements in the activation | |
917 for ( | |
918 BasicObjectLock* current = interpreter_frame_monitor_end(); | |
919 current < interpreter_frame_monitor_begin(); | |
920 current = next_monitor_in_interpreter_frame(current) | |
921 ) { | |
922 #ifdef ASSERT | |
923 interpreter_frame_verify_monitor(current); | |
924 #endif | |
925 current->oops_do(f); | |
926 } | |
927 | |
928 // process fixed part | |
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929 if (cld_f != NULL) { |
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930 // The method pointer in the frame might be the only path to the method's |
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931 // klass, and the klass needs to be kept alive while executing. The GCs |
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932 // don't trace through method pointers, so typically in similar situations |
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933 // the mirror or the class loader of the klass are installed as a GC root. |
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934 // To minimze the overhead of doing that here, we ask the GC to pass down a |
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935 // closure that knows how to keep klasses alive given a ClassLoaderData. |
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936 cld_f->do_cld(m->method_holder()->class_loader_data()); |
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937 } |
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938 |
17813 | 939 if (m->is_native() PPC32_ONLY(&& m->is_static())) { |
940 f->do_oop(interpreter_frame_temp_oop_addr()); | |
0 | 941 } |
942 | |
943 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
944 | |
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945 Symbol* signature = NULL; |
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946 bool has_receiver = false; |
0 | 947 |
948 // Process a callee's arguments if we are at a call site | |
949 // (i.e., if we are at an invoke bytecode) | |
950 // This is used sometimes for calling into the VM, not for another | |
951 // interpreted or compiled frame. | |
952 if (!m->is_native()) { | |
2142 | 953 Bytecode_invoke call = Bytecode_invoke_check(m, bci); |
954 if (call.is_valid()) { | |
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955 signature = call.signature(); |
2142 | 956 has_receiver = call.has_receiver(); |
0 | 957 if (map->include_argument_oops() && |
958 interpreter_frame_expression_stack_size() > 0) { | |
959 ResourceMark rm(thread); // is this right ??? | |
960 // we are at a call site & the expression stack is not empty | |
961 // => process callee's arguments | |
962 // | |
963 // Note: The expression stack can be empty if an exception | |
605 | 964 // occurred during method resolution/execution. In all |
0 | 965 // cases we empty the expression stack completely be- |
966 // fore handling the exception (the exception handling | |
967 // code in the interpreter calls a blocking runtime | |
968 // routine which can cause this code to be executed). | |
969 // (was bug gri 7/27/98) | |
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970 oops_interpreted_arguments_do(signature, has_receiver, f); |
0 | 971 } |
972 } | |
973 } | |
974 | |
1506 | 975 InterpreterFrameClosure blk(this, max_locals, m->max_stack(), f); |
976 | |
977 // process locals & expression stack | |
978 InterpreterOopMap mask; | |
979 if (query_oop_map_cache) { | |
980 m->mask_for(bci, &mask); | |
0 | 981 } else { |
1506 | 982 OopMapCache::compute_one_oop_map(m, bci, &mask); |
0 | 983 } |
1506 | 984 mask.iterate_oop(&blk); |
0 | 985 } |
986 | |
987 | |
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988 void frame::oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f) { |
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989 InterpretedArgumentOopFinder finder(signature, has_receiver, this, f); |
0 | 990 finder.oops_do(); |
991 } | |
992 | |
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993 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { |
0 | 994 assert(_cb != NULL, "sanity check"); |
995 if (_cb->oop_maps() != NULL) { | |
996 OopMapSet::oops_do(this, reg_map, f); | |
997 | |
998 // Preserve potential arguments for a callee. We handle this by dispatching | |
999 // on the codeblob. For c2i, we do | |
1000 if (reg_map->include_argument_oops()) { | |
1001 _cb->preserve_callee_argument_oops(*this, reg_map, f); | |
1002 } | |
1003 } | |
1004 // In cases where perm gen is collected, GC will want to mark | |
1005 // oops referenced from nmethods active on thread stacks so as to | |
1006 // prevent them from being collected. However, this visit should be | |
1007 // restricted to certain phases of the collection only. The | |
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1008 // closure decides how it wants nmethods to be traced. |
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1009 if (cf != NULL) |
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1010 cf->do_code_blob(_cb); |
0 | 1011 } |
1012 | |
1013 class CompiledArgumentOopFinder: public SignatureInfo { | |
1014 protected: | |
1015 OopClosure* _f; | |
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1016 int _offset; // the current offset, incremented with each argument |
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1017 bool _has_receiver; // true if the callee has a receiver |
10390 | 1018 bool _has_appendix; // true if the call has an appendix |
0 | 1019 frame _fr; |
1020 RegisterMap* _reg_map; | |
1021 int _arg_size; | |
1022 VMRegPair* _regs; // VMReg list of arguments | |
1023 | |
1024 void set(int size, BasicType type) { | |
1025 if (type == T_OBJECT || type == T_ARRAY) handle_oop_offset(); | |
1026 _offset += size; | |
1027 } | |
1028 | |
1029 virtual void handle_oop_offset() { | |
1030 // Extract low order register number from register array. | |
1031 // In LP64-land, the high-order bits are valid but unhelpful. | |
1032 VMReg reg = _regs[_offset].first(); | |
1033 oop *loc = _fr.oopmapreg_to_location(reg, _reg_map); | |
1034 _f->do_oop(loc); | |
1035 } | |
1036 | |
1037 public: | |
10390 | 1038 CompiledArgumentOopFinder(Symbol* signature, bool has_receiver, bool has_appendix, OopClosure* f, frame fr, const RegisterMap* reg_map) |
0 | 1039 : SignatureInfo(signature) { |
1040 | |
1041 // initialize CompiledArgumentOopFinder | |
1042 _f = f; | |
1043 _offset = 0; | |
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1044 _has_receiver = has_receiver; |
10390 | 1045 _has_appendix = has_appendix; |
0 | 1046 _fr = fr; |
1047 _reg_map = (RegisterMap*)reg_map; | |
10390 | 1048 _arg_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0) + (has_appendix ? 1 : 0); |
0 | 1049 |
1050 int arg_size; | |
10390 | 1051 _regs = SharedRuntime::find_callee_arguments(signature, has_receiver, has_appendix, &arg_size); |
0 | 1052 assert(arg_size == _arg_size, "wrong arg size"); |
1053 } | |
1054 | |
1055 void oops_do() { | |
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1056 if (_has_receiver) { |
0 | 1057 handle_oop_offset(); |
1058 _offset++; | |
1059 } | |
1060 iterate_parameters(); | |
10390 | 1061 if (_has_appendix) { |
1062 handle_oop_offset(); | |
1063 _offset++; | |
1064 } | |
0 | 1065 } |
1066 }; | |
1067 | |
10390 | 1068 void frame::oops_compiled_arguments_do(Symbol* signature, bool has_receiver, bool has_appendix, const RegisterMap* reg_map, OopClosure* f) { |
0 | 1069 ResourceMark rm; |
10390 | 1070 CompiledArgumentOopFinder finder(signature, has_receiver, has_appendix, f, *this, reg_map); |
0 | 1071 finder.oops_do(); |
1072 } | |
1073 | |
1074 | |
1075 // Get receiver out of callers frame, i.e. find parameter 0 in callers | |
1076 // frame. Consult ADLC for where parameter 0 is to be found. Then | |
1077 // check local reg_map for it being a callee-save register or argument | |
1078 // register, both of which are saved in the local frame. If not found | |
1079 // there, it must be an in-stack argument of the caller. | |
1080 // Note: caller.sp() points to callee-arguments | |
1081 oop frame::retrieve_receiver(RegisterMap* reg_map) { | |
1082 frame caller = *this; | |
1083 | |
1084 // First consult the ADLC on where it puts parameter 0 for this signature. | |
1085 VMReg reg = SharedRuntime::name_for_receiver(); | |
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1086 oop* oop_adr = caller.oopmapreg_to_location(reg, reg_map); |
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1087 if (oop_adr == NULL) { |
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1088 guarantee(oop_adr != NULL, "bad register save location"); |
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1089 return NULL; |
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1090 } |
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1091 oop r = *oop_adr; |
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1092 assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (void *) r, (void *) r)); |
0 | 1093 return r; |
1094 } | |
1095 | |
1096 | |
1097 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { | |
1098 if(reg->is_reg()) { | |
1099 // If it is passed in a register, it got spilled in the stub frame. | |
1100 return (oop *)reg_map->location(reg); | |
1101 } else { | |
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1102 int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size; |
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1103 return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes); |
0 | 1104 } |
1105 } | |
1106 | |
2019 | 1107 BasicLock* frame::get_native_monitor() { |
1108 nmethod* nm = (nmethod*)_cb; | |
1109 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
1110 "Should not call this unless it's a native nmethod"); | |
1111 int byte_offset = in_bytes(nm->native_basic_lock_sp_offset()); | |
0 | 1112 assert(byte_offset >= 0, "should not see invalid offset"); |
1113 return (BasicLock*) &sp()[byte_offset / wordSize]; | |
1114 } | |
1115 | |
2019 | 1116 oop frame::get_native_receiver() { |
1117 nmethod* nm = (nmethod*)_cb; | |
1118 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
1119 "Should not call this unless it's a native nmethod"); | |
1120 int byte_offset = in_bytes(nm->native_receiver_sp_offset()); | |
0 | 1121 assert(byte_offset >= 0, "should not see invalid offset"); |
1122 oop owner = ((oop*) sp())[byte_offset / wordSize]; | |
1123 assert( Universe::heap()->is_in(owner), "bad receiver" ); | |
1124 return owner; | |
1125 } | |
1126 | |
1127 void frame::oops_entry_do(OopClosure* f, const RegisterMap* map) { | |
1128 assert(map != NULL, "map must be set"); | |
1129 if (map->include_argument_oops()) { | |
1130 // must collect argument oops, as nobody else is doing it | |
1131 Thread *thread = Thread::current(); | |
1132 methodHandle m (thread, entry_frame_call_wrapper()->callee_method()); | |
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1133 EntryFrameOopFinder finder(this, m->signature(), m->is_static()); |
0 | 1134 finder.arguments_do(f); |
1135 } | |
1136 // Traverse the Handle Block saved in the entry frame | |
1137 entry_frame_call_wrapper()->oops_do(f); | |
1138 } | |
1139 | |
1140 | |
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1141 void frame::oops_do_internal(OopClosure* f, CLDToOopClosure* cld_f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) { |
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1142 #ifndef PRODUCT |
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1143 // simulate GC crash here to dump java thread in error report |
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1144 if (CrashGCForDumpingJavaThread) { |
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1145 char *t = NULL; |
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1146 *t = 'c'; |
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1147 } |
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1148 #endif |
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1149 if (is_interpreted_frame()) { |
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1150 oops_interpreted_do(f, cld_f, map, use_interpreter_oop_map_cache); |
1119
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1151 } else if (is_entry_frame()) { |
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1152 oops_entry_do(f, map); |
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1153 } else if (CodeCache::contains(pc())) { |
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1154 oops_code_blob_do(f, cf, map); |
1692 | 1155 #ifdef SHARK |
1156 } else if (is_fake_stub_frame()) { | |
1157 // nothing to do | |
1158 #endif // SHARK | |
0 | 1159 } else { |
1160 ShouldNotReachHere(); | |
1161 } | |
1162 } | |
1163 | |
989
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1164 void frame::nmethods_do(CodeBlobClosure* cf) { |
0 | 1165 if (_cb != NULL && _cb->is_nmethod()) { |
989
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1166 cf->do_code_blob(_cb); |
0 | 1167 } |
1168 } | |
1169 | |
1170 | |
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1171 // call f() on the interpreted Method*s in the stack. |
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1172 // Have to walk the entire code cache for the compiled frames Yuck. |
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1173 void frame::metadata_do(void f(Metadata*)) { |
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1174 if (_cb != NULL && Interpreter::contains(pc())) { |
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1175 Method* m = this->interpreter_frame_method(); |
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1176 assert(m != NULL, "huh?"); |
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1177 f(m); |
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1178 } |
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1179 } |
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1180 |
0 | 1181 void frame::gc_prologue() { |
1182 if (is_interpreted_frame()) { | |
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1183 // set bcx to bci to become Method* position independent during GC |
0 | 1184 interpreter_frame_set_bcx(interpreter_frame_bci()); |
1185 } | |
1186 } | |
1187 | |
1188 | |
1189 void frame::gc_epilogue() { | |
1190 if (is_interpreted_frame()) { | |
1191 // set bcx back to bcp for interpreter | |
1192 interpreter_frame_set_bcx((intptr_t)interpreter_frame_bcp()); | |
1193 } | |
1194 // call processor specific epilog function | |
1195 pd_gc_epilog(); | |
1196 } | |
1197 | |
1198 | |
1199 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
1200 | |
1201 void frame::CheckValueClosure::do_oop(oop* p) { | |
1202 if (CheckOopishValues && Universe::heap()->is_in_reserved(*p)) { | |
1203 warning("value @ " INTPTR_FORMAT " looks oopish (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
1204 } | |
1205 } | |
1206 frame::CheckValueClosure frame::_check_value; | |
1207 | |
1208 | |
1209 void frame::CheckOopClosure::do_oop(oop* p) { | |
1210 if (*p != NULL && !(*p)->is_oop()) { | |
1211 warning("value @ " INTPTR_FORMAT " should be an oop (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
1212 } | |
1213 } | |
1214 frame::CheckOopClosure frame::_check_oop; | |
1215 | |
1216 void frame::check_derived_oop(oop* base, oop* derived) { | |
1217 _check_oop.do_oop(base); | |
1218 } | |
1219 | |
1220 | |
1221 void frame::ZapDeadClosure::do_oop(oop* p) { | |
1222 if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p); | |
12316
190899198332
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1223 *p = cast_to_oop<intptr_t>(0xbabebabe); |
0 | 1224 } |
1225 frame::ZapDeadClosure frame::_zap_dead; | |
1226 | |
1227 void frame::zap_dead_locals(JavaThread* thread, const RegisterMap* map) { | |
1228 assert(thread == Thread::current(), "need to synchronize to do this to another thread"); | |
1229 // Tracing - part 1 | |
1230 if (TraceZapDeadLocals) { | |
1231 ResourceMark rm(thread); | |
1232 tty->print_cr("--------------------------------------------------------------------------------"); | |
1233 tty->print("Zapping dead locals in "); | |
1234 print_on(tty); | |
1235 tty->cr(); | |
1236 } | |
1237 // Zapping | |
1238 if (is_entry_frame ()) zap_dead_entry_locals (thread, map); | |
1239 else if (is_interpreted_frame()) zap_dead_interpreted_locals(thread, map); | |
1240 else if (is_compiled_frame()) zap_dead_compiled_locals (thread, map); | |
1241 | |
1242 else | |
1243 // could be is_runtime_frame | |
1244 // so remove error: ShouldNotReachHere(); | |
1245 ; | |
1246 // Tracing - part 2 | |
1247 if (TraceZapDeadLocals) { | |
1248 tty->cr(); | |
1249 } | |
1250 } | |
1251 | |
1252 | |
1253 void frame::zap_dead_interpreted_locals(JavaThread *thread, const RegisterMap* map) { | |
1254 // get current interpreter 'pc' | |
1255 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
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1256 Method* m = interpreter_frame_method(); |
0 | 1257 int bci = interpreter_frame_bci(); |
1258 | |
1259 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
1260 | |
1506 | 1261 // process dynamic part |
1262 InterpreterFrameClosure value_blk(this, max_locals, m->max_stack(), | |
1263 &_check_value); | |
1264 InterpreterFrameClosure oop_blk(this, max_locals, m->max_stack(), | |
1265 &_check_oop ); | |
1266 InterpreterFrameClosure dead_blk(this, max_locals, m->max_stack(), | |
1267 &_zap_dead ); | |
0 | 1268 |
1506 | 1269 // get frame map |
1270 InterpreterOopMap mask; | |
1271 m->mask_for(bci, &mask); | |
1272 mask.iterate_all( &oop_blk, &value_blk, &dead_blk); | |
0 | 1273 } |
1274 | |
1275 | |
1276 void frame::zap_dead_compiled_locals(JavaThread* thread, const RegisterMap* reg_map) { | |
1277 | |
1278 ResourceMark rm(thread); | |
1279 assert(_cb != NULL, "sanity check"); | |
1280 if (_cb->oop_maps() != NULL) { | |
113
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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diff
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|
1281 OopMapSet::all_do(this, reg_map, &_check_oop, check_derived_oop, &_check_value); |
0 | 1282 } |
1283 } | |
1284 | |
1285 | |
1286 void frame::zap_dead_entry_locals(JavaThread*, const RegisterMap*) { | |
1287 if (TraceZapDeadLocals) warning("frame::zap_dead_entry_locals unimplemented"); | |
1288 } | |
1289 | |
1290 | |
1291 void frame::zap_dead_deoptimized_locals(JavaThread*, const RegisterMap*) { | |
1292 if (TraceZapDeadLocals) warning("frame::zap_dead_deoptimized_locals unimplemented"); | |
1293 } | |
1294 | |
1295 # endif // ENABLE_ZAP_DEAD_LOCALS | |
1296 | |
1297 void frame::verify(const RegisterMap* map) { | |
1298 // for now make sure receiver type is correct | |
1299 if (is_interpreted_frame()) { | |
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1300 Method* method = interpreter_frame_method(); |
0 | 1301 guarantee(method->is_method(), "method is wrong in frame::verify"); |
1302 if (!method->is_static()) { | |
1303 // fetch the receiver | |
1304 oop* p = (oop*) interpreter_frame_local_at(0); | |
1305 // make sure we have the right receiver type | |
1306 } | |
1307 } | |
1308 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) | |
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changeset
|
1309 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, NULL, (RegisterMap*)map, false); |
0 | 1310 } |
1311 | |
1312 | |
1313 #ifdef ASSERT | |
1314 bool frame::verify_return_pc(address x) { | |
1315 if (StubRoutines::returns_to_call_stub(x)) { | |
1316 return true; | |
1317 } | |
1318 if (CodeCache::contains(x)) { | |
1319 return true; | |
1320 } | |
1321 if (Interpreter::contains(x)) { | |
1322 return true; | |
1323 } | |
1324 return false; | |
1325 } | |
1326 #endif | |
1327 | |
1328 #ifdef ASSERT | |
1329 void frame::interpreter_frame_verify_monitor(BasicObjectLock* value) const { | |
1330 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
1331 // verify that the value is in the right part of the frame | |
1332 address low_mark = (address) interpreter_frame_monitor_end(); | |
1333 address high_mark = (address) interpreter_frame_monitor_begin(); | |
1334 address current = (address) value; | |
1335 | |
1336 const int monitor_size = frame::interpreter_frame_monitor_size(); | |
1337 guarantee((high_mark - current) % monitor_size == 0 , "Misaligned top of BasicObjectLock*"); | |
1338 guarantee( high_mark > current , "Current BasicObjectLock* higher than high_mark"); | |
1339 | |
1340 guarantee((current - low_mark) % monitor_size == 0 , "Misaligned bottom of BasicObjectLock*"); | |
1341 guarantee( current >= low_mark , "Current BasicObjectLock* below than low_mark"); | |
1342 } | |
4824
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4818
diff
changeset
|
1343 #endif |
3336
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diff
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|
1344 |
4824
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diff
changeset
|
1345 #ifndef PRODUCT |
3336
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diff
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|
1346 void frame::describe(FrameValues& values, int frame_no) { |
4818
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7120450: complete information dumped by frame_describe
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changeset
|
1347 // boundaries: sp and the 'real' frame pointer |
82e5a84b7436
7120450: complete information dumped by frame_describe
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diff
changeset
|
1348 values.describe(-1, sp(), err_msg("sp for #%d", frame_no), 1); |
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7120450: complete information dumped by frame_describe
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changeset
|
1349 intptr_t* frame_pointer = real_fp(); // Note: may differ from fp() |
82e5a84b7436
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parents:
4806
diff
changeset
|
1350 |
82e5a84b7436
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diff
changeset
|
1351 // print frame info at the highest boundary |
82e5a84b7436
7120450: complete information dumped by frame_describe
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diff
changeset
|
1352 intptr_t* info_address = MAX2(sp(), frame_pointer); |
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diff
changeset
|
1353 |
82e5a84b7436
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parents:
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diff
changeset
|
1354 if (info_address != frame_pointer) { |
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diff
changeset
|
1355 // print frame_pointer explicitly if not marked by the frame info |
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7120450: complete information dumped by frame_describe
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parents:
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diff
changeset
|
1356 values.describe(-1, frame_pointer, err_msg("frame pointer for #%d", frame_no), 1); |
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changeset
|
1357 } |
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diff
changeset
|
1358 |
3336
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diff
changeset
|
1359 if (is_entry_frame() || is_compiled_frame() || is_interpreted_frame() || is_native_frame()) { |
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changeset
|
1360 // Label values common to most frames |
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diff
changeset
|
1361 values.describe(-1, unextended_sp(), err_msg("unextended_sp for #%d", frame_no)); |
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diff
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|
1362 } |
4818
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diff
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|
1363 |
3336
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changeset
|
1364 if (is_interpreted_frame()) { |
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1365 Method* m = interpreter_frame_method(); |
3336
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|
1366 int bci = interpreter_frame_bci(); |
2e038ad0c1d0
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|
1367 |
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diff
changeset
|
1368 // Label the method and current bci |
4818
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diff
changeset
|
1369 values.describe(-1, info_address, |
3336
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parents:
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diff
changeset
|
1370 FormatBuffer<1024>("#%d method %s @ %d", frame_no, m->name_and_sig_as_C_string(), bci), 2); |
4818
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|
1371 values.describe(-1, info_address, |
3336
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|
1372 err_msg("- %d locals %d max stack", m->max_locals(), m->max_stack()), 1); |
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|
1373 if (m->max_locals() > 0) { |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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diff
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|
1374 intptr_t* l0 = interpreter_frame_local_at(0); |
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|
1375 intptr_t* ln = interpreter_frame_local_at(m->max_locals() - 1); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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diff
changeset
|
1376 values.describe(-1, MAX2(l0, ln), err_msg("locals for #%d", frame_no), 1); |
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changeset
|
1377 // Report each local and mark as owned by this frame |
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|
1378 for (int l = 0; l < m->max_locals(); l++) { |
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|
1379 intptr_t* l0 = interpreter_frame_local_at(l); |
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1380 values.describe(frame_no, l0, err_msg("local %d", l)); |
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|
1381 } |
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|
1382 } |
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|
1383 |
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|
1384 // Compute the actual expression stack size |
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|
1385 InterpreterOopMap mask; |
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|
1386 OopMapCache::compute_one_oop_map(m, bci, &mask); |
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|
1387 intptr_t* tos = NULL; |
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|
1388 // Report each stack element and mark as owned by this frame |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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changeset
|
1389 for (int e = 0; e < mask.expression_stack_size(); e++) { |
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changeset
|
1390 tos = MAX2(tos, interpreter_frame_expression_stack_at(e)); |
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diff
changeset
|
1391 values.describe(frame_no, interpreter_frame_expression_stack_at(e), |
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diff
changeset
|
1392 err_msg("stack %d", e)); |
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|
1393 } |
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|
1394 if (tos != NULL) { |
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changeset
|
1395 values.describe(-1, tos, err_msg("expression stack for #%d", frame_no), 1); |
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diff
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|
1396 } |
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|
1397 if (interpreter_frame_monitor_begin() != interpreter_frame_monitor_end()) { |
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|
1398 values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_begin(), "monitors begin"); |
2e038ad0c1d0
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diff
changeset
|
1399 values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_end(), "monitors end"); |
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|
1400 } |
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|
1401 } else if (is_entry_frame()) { |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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parents:
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diff
changeset
|
1402 // For now just label the frame |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1403 values.describe(-1, info_address, err_msg("#%d entry frame", frame_no), 2); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1404 } else if (is_compiled_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1405 // For now just label the frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1406 nmethod* nm = cb()->as_nmethod_or_null(); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1407 values.describe(-1, info_address, |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1408 FormatBuffer<1024>("#%d nmethod " INTPTR_FORMAT " for method %s%s", frame_no, |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1409 nm, nm->method()->name_and_sig_as_C_string(), |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1410 (_deopt_state == is_deoptimized) ? |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1411 " (deoptimized)" : |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1412 ((_deopt_state == unknown) ? " (state unknown)" : "")), |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1413 2); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1414 } else if (is_native_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1415 // For now just label the frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1416 nmethod* nm = cb()->as_nmethod_or_null(); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1417 values.describe(-1, info_address, |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1418 FormatBuffer<1024>("#%d nmethod " INTPTR_FORMAT " for native method %s", frame_no, |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1419 nm, nm->method()->name_and_sig_as_C_string()), 2); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1420 } else { |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1421 // provide default info if not handled before |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1422 char *info = (char *) "special frame"; |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1423 if ((_cb != NULL) && |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1424 (_cb->name() != NULL)) { |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1425 info = (char *)_cb->name(); |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1426 } |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1427 values.describe(-1, info_address, err_msg("#%d <%s>", frame_no, info), 2); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1428 } |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1429 |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1430 // platform dependent additional data |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1431 describe_pd(values, frame_no); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1432 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1433 |
0 | 1434 #endif |
1435 | |
1436 | |
1437 //----------------------------------------------------------------------------------- | |
1438 // StackFrameStream implementation | |
1439 | |
1440 StackFrameStream::StackFrameStream(JavaThread *thread, bool update) : _reg_map(thread, update) { | |
1441 assert(thread->has_last_Java_frame(), "sanity check"); | |
1442 _fr = thread->last_frame(); | |
1443 _is_done = false; | |
1444 } | |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1445 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1446 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1447 #ifndef PRODUCT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1448 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1449 void FrameValues::describe(int owner, intptr_t* location, const char* description, int priority) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1450 FrameValue fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1451 fv.location = location; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1452 fv.owner = owner; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1453 fv.priority = priority; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1454 fv.description = NEW_RESOURCE_ARRAY(char, strlen(description) + 1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1455 strcpy(fv.description, description); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1456 _values.append(fv); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1457 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1458 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1459 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1460 #ifdef ASSERT |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1461 void FrameValues::validate() { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1462 _values.sort(compare); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1463 bool error = false; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1464 FrameValue prev; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1465 prev.owner = -1; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1466 for (int i = _values.length() - 1; i >= 0; i--) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1467 FrameValue fv = _values.at(i); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1468 if (fv.owner == -1) continue; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1469 if (prev.owner == -1) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1470 prev = fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1471 continue; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1472 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1473 if (prev.location == fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1474 if (fv.owner != prev.owner) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1475 tty->print_cr("overlapping storage"); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1476 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", prev.location, *prev.location, prev.description); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1477 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1478 error = true; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1479 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1480 } else { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1481 prev = fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1482 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1483 } |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1484 assert(!error, "invalid layout"); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1485 } |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1486 #endif // ASSERT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1487 |
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1488 void FrameValues::print(JavaThread* thread) { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1489 _values.sort(compare); |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1490 |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1491 // Sometimes values like the fp can be invalid values if the |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1492 // register map wasn't updated during the walk. Trim out values |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1493 // that aren't actually in the stack of the thread. |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1494 int min_index = 0; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1495 int max_index = _values.length() - 1; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1496 intptr_t* v0 = _values.at(min_index).location; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1497 intptr_t* v1 = _values.at(max_index).location; |
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1498 |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1499 if (thread == Thread::current()) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1500 while (!thread->is_in_stack((address)v0)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1501 v0 = _values.at(++min_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1502 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1503 while (!thread->is_in_stack((address)v1)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1504 v1 = _values.at(--max_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1505 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1506 } else { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1507 while (!thread->on_local_stack((address)v0)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1508 v0 = _values.at(++min_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1509 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1510 while (!thread->on_local_stack((address)v1)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1511 v1 = _values.at(--max_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1512 } |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1513 } |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1514 intptr_t* min = MIN2(v0, v1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1515 intptr_t* max = MAX2(v0, v1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1516 intptr_t* cur = max; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1517 intptr_t* last = NULL; |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1518 for (int i = max_index; i >= min_index; i--) { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1519 FrameValue fv = _values.at(i); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1520 while (cur > fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1521 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT, cur, *cur); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1522 cur--; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1523 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1524 if (last == fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1525 const char* spacer = " " LP64_ONLY(" "); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1526 tty->print_cr(" %s %s %s", spacer, spacer, fv.description); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1527 } else { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1528 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1529 last = fv.location; |
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1530 cur--; |
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1531 } |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1532 } |
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1533 } |
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1534 |
4824
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7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
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1535 #endif // ndef PRODUCT |