Mercurial > hg > truffle
annotate src/share/vm/runtime/frame.cpp @ 7090:05ce1defa4f9
Common out some parts of UnsafeLoad/Store in UnsafeAccess
author | Gilles Duboscq <duboscq@ssw.jku.at> |
---|---|
date | Thu, 29 Nov 2012 13:24:08 +0100 |
parents | e522a00b91aa |
children | 291ffc492eb6 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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 "gc_interface/collectedHeap.inline.hpp" | |
27 #include "interpreter/interpreter.hpp" | |
28 #include "interpreter/oopMapCache.hpp" | |
29 #include "memory/resourceArea.hpp" | |
30 #include "memory/universe.inline.hpp" | |
31 #include "oops/markOop.hpp" | |
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32 #include "oops/methodData.hpp" |
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33 #include "oops/method.hpp" |
1972 | 34 #include "oops/oop.inline.hpp" |
35 #include "oops/oop.inline2.hpp" | |
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36 #include "prims/methodHandles.hpp" |
1972 | 37 #include "runtime/frame.inline.hpp" |
38 #include "runtime/handles.inline.hpp" | |
39 #include "runtime/javaCalls.hpp" | |
40 #include "runtime/monitorChunk.hpp" | |
41 #include "runtime/sharedRuntime.hpp" | |
42 #include "runtime/signature.hpp" | |
43 #include "runtime/stubCodeGenerator.hpp" | |
44 #include "runtime/stubRoutines.hpp" | |
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45 #include "utilities/decoder.hpp" |
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46 |
1972 | 47 #ifdef TARGET_ARCH_x86 |
48 # include "nativeInst_x86.hpp" | |
49 #endif | |
50 #ifdef TARGET_ARCH_sparc | |
51 # include "nativeInst_sparc.hpp" | |
52 #endif | |
53 #ifdef TARGET_ARCH_zero | |
54 # include "nativeInst_zero.hpp" | |
55 #endif | |
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56 #ifdef TARGET_ARCH_arm |
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57 # include "nativeInst_arm.hpp" |
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58 #endif |
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59 #ifdef TARGET_ARCH_ppc |
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60 # include "nativeInst_ppc.hpp" |
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61 #endif |
0 | 62 |
63 RegisterMap::RegisterMap(JavaThread *thread, bool update_map) { | |
64 _thread = thread; | |
65 _update_map = update_map; | |
66 clear(); | |
67 debug_only(_update_for_id = NULL;) | |
68 #ifndef PRODUCT | |
69 for (int i = 0; i < reg_count ; i++ ) _location[i] = NULL; | |
70 #endif /* PRODUCT */ | |
71 } | |
72 | |
73 RegisterMap::RegisterMap(const RegisterMap* map) { | |
74 assert(map != this, "bad initialization parameter"); | |
75 assert(map != NULL, "RegisterMap must be present"); | |
76 _thread = map->thread(); | |
77 _update_map = map->update_map(); | |
78 _include_argument_oops = map->include_argument_oops(); | |
79 debug_only(_update_for_id = map->_update_for_id;) | |
80 pd_initialize_from(map); | |
81 if (update_map()) { | |
82 for(int i = 0; i < location_valid_size; i++) { | |
83 LocationValidType bits = !update_map() ? 0 : map->_location_valid[i]; | |
84 _location_valid[i] = bits; | |
85 // for whichever bits are set, pull in the corresponding map->_location | |
86 int j = i*location_valid_type_size; | |
87 while (bits != 0) { | |
88 if ((bits & 1) != 0) { | |
89 assert(0 <= j && j < reg_count, "range check"); | |
90 _location[j] = map->_location[j]; | |
91 } | |
92 bits >>= 1; | |
93 j += 1; | |
94 } | |
95 } | |
96 } | |
97 } | |
98 | |
99 void RegisterMap::clear() { | |
100 set_include_argument_oops(true); | |
101 if (_update_map) { | |
102 for(int i = 0; i < location_valid_size; i++) { | |
103 _location_valid[i] = 0; | |
104 } | |
105 pd_clear(); | |
106 } else { | |
107 pd_initialize(); | |
108 } | |
109 } | |
110 | |
111 #ifndef PRODUCT | |
112 | |
113 void RegisterMap::print_on(outputStream* st) const { | |
114 st->print_cr("Register map"); | |
115 for(int i = 0; i < reg_count; i++) { | |
116 | |
117 VMReg r = VMRegImpl::as_VMReg(i); | |
118 intptr_t* src = (intptr_t*) location(r); | |
119 if (src != NULL) { | |
120 | |
417 | 121 r->print_on(st); |
122 st->print(" [" INTPTR_FORMAT "] = ", src); | |
0 | 123 if (((uintptr_t)src & (sizeof(*src)-1)) != 0) { |
417 | 124 st->print_cr("<misaligned>"); |
0 | 125 } else { |
417 | 126 st->print_cr(INTPTR_FORMAT, *src); |
0 | 127 } |
128 } | |
129 } | |
130 } | |
131 | |
132 void RegisterMap::print() const { | |
133 print_on(tty); | |
134 } | |
135 | |
136 #endif | |
137 // This returns the pc that if you were in the debugger you'd see. Not | |
138 // the idealized value in the frame object. This undoes the magic conversion | |
139 // that happens for deoptimized frames. In addition it makes the value the | |
140 // hardware would want to see in the native frame. The only user (at this point) | |
141 // is deoptimization. It likely no one else should ever use it. | |
142 | |
143 address frame::raw_pc() const { | |
144 if (is_deoptimized_frame()) { | |
1204 | 145 nmethod* nm = cb()->as_nmethod_or_null(); |
146 if (nm->is_method_handle_return(pc())) | |
147 return nm->deopt_mh_handler_begin() - pc_return_offset; | |
148 else | |
149 return nm->deopt_handler_begin() - pc_return_offset; | |
0 | 150 } else { |
151 return (pc() - pc_return_offset); | |
152 } | |
153 } | |
154 | |
155 // Change the pc in a frame object. This does not change the actual pc in | |
156 // actual frame. To do that use patch_pc. | |
157 // | |
158 void frame::set_pc(address newpc ) { | |
159 #ifdef ASSERT | |
160 if (_cb != NULL && _cb->is_nmethod()) { | |
161 assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant violation"); | |
162 } | |
163 #endif // ASSERT | |
164 | |
165 // Unsafe to use the is_deoptimzed tester after changing pc | |
166 _deopt_state = unknown; | |
167 _pc = newpc; | |
168 _cb = CodeCache::find_blob_unsafe(_pc); | |
169 | |
170 } | |
171 | |
172 // type testers | |
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173 bool frame::is_ignored_frame() const { |
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174 return false; // FIXME: some LambdaForm frames should be ignored |
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175 } |
0 | 176 bool frame::is_deoptimized_frame() const { |
177 assert(_deopt_state != unknown, "not answerable"); | |
178 return _deopt_state == is_deoptimized; | |
179 } | |
180 | |
181 bool frame::is_native_frame() const { | |
182 return (_cb != NULL && | |
183 _cb->is_nmethod() && | |
184 ((nmethod*)_cb)->is_native_method()); | |
185 } | |
186 | |
187 bool frame::is_java_frame() const { | |
188 if (is_interpreted_frame()) return true; | |
189 if (is_compiled_frame()) return true; | |
190 return false; | |
191 } | |
192 | |
193 | |
194 bool frame::is_compiled_frame() const { | |
195 if (_cb != NULL && | |
196 _cb->is_nmethod() && | |
197 ((nmethod*)_cb)->is_java_method()) { | |
198 return true; | |
199 } | |
200 return false; | |
201 } | |
202 | |
203 | |
204 bool frame::is_runtime_frame() const { | |
205 return (_cb != NULL && _cb->is_runtime_stub()); | |
206 } | |
207 | |
208 bool frame::is_safepoint_blob_frame() const { | |
209 return (_cb != NULL && _cb->is_safepoint_stub()); | |
210 } | |
211 | |
212 // testers | |
213 | |
214 bool frame::is_first_java_frame() const { | |
215 RegisterMap map(JavaThread::current(), false); // No update | |
216 frame s; | |
217 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)); | |
218 return s.is_first_frame(); | |
219 } | |
220 | |
221 | |
222 bool frame::entry_frame_is_first() const { | |
223 return entry_frame_call_wrapper()->anchor()->last_Java_sp() == NULL; | |
224 } | |
225 | |
226 | |
227 bool frame::should_be_deoptimized() const { | |
228 if (_deopt_state == is_deoptimized || | |
229 !is_compiled_frame() ) return false; | |
230 assert(_cb != NULL && _cb->is_nmethod(), "must be an nmethod"); | |
231 nmethod* nm = (nmethod *)_cb; | |
232 if (TraceDependencies) { | |
233 tty->print("checking (%s) ", nm->is_marked_for_deoptimization() ? "true" : "false"); | |
234 nm->print_value_on(tty); | |
235 tty->cr(); | |
236 } | |
237 | |
238 if( !nm->is_marked_for_deoptimization() ) | |
239 return false; | |
240 | |
241 // If at the return point, then the frame has already been popped, and | |
242 // only the return needs to be executed. Don't deoptimize here. | |
243 return !nm->is_at_poll_return(pc()); | |
244 } | |
245 | |
246 bool frame::can_be_deoptimized() const { | |
247 if (!is_compiled_frame()) return false; | |
248 nmethod* nm = (nmethod*)_cb; | |
249 | |
250 if( !nm->can_be_deoptimized() ) | |
251 return false; | |
252 | |
253 return !nm->is_at_poll_return(pc()); | |
254 } | |
255 | |
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256 void frame::deoptimize(JavaThread* thread) { |
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257 // Schedule deoptimization of an nmethod activation with this frame. |
0 | 258 assert(_cb != NULL && _cb->is_nmethod(), "must be"); |
259 nmethod* nm = (nmethod*)_cb; | |
260 | |
261 // This is a fix for register window patching race | |
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262 if (NeedsDeoptSuspend && Thread::current() != thread) { |
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263 assert(SafepointSynchronize::is_at_safepoint(), |
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264 "patching other threads for deopt may only occur at a safepoint"); |
0 | 265 |
266 // It is possible especially with DeoptimizeALot/DeoptimizeRandom that | |
267 // we could see the frame again and ask for it to be deoptimized since | |
268 // it might move for a long time. That is harmless and we just ignore it. | |
269 if (id() == thread->must_deopt_id()) { | |
270 assert(thread->is_deopt_suspend(), "lost suspension"); | |
271 return; | |
272 } | |
273 | |
274 // We are at a safepoint so the target thread can only be | |
275 // in 4 states: | |
276 // blocked - no problem | |
277 // blocked_trans - no problem (i.e. could have woken up from blocked | |
278 // during a safepoint). | |
279 // native - register window pc patching race | |
280 // native_trans - momentary state | |
281 // | |
282 // We could just wait out a thread in native_trans to block. | |
283 // Then we'd have all the issues that the safepoint code has as to | |
284 // whether to spin or block. It isn't worth it. Just treat it like | |
285 // native and be done with it. | |
286 // | |
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287 // Examine the state of the thread at the start of safepoint since |
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288 // threads that were in native at the start of the safepoint could |
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289 // come to a halt during the safepoint, changing the current value |
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290 // of the safepoint_state. |
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291 JavaThreadState state = thread->safepoint_state()->orig_thread_state(); |
0 | 292 if (state == _thread_in_native || state == _thread_in_native_trans) { |
293 // Since we are at a safepoint the target thread will stop itself | |
294 // before it can return to java as long as we remain at the safepoint. | |
295 // Therefore we can put an additional request for the thread to stop | |
296 // no matter what no (like a suspend). This will cause the thread | |
297 // to notice it needs to do the deopt on its own once it leaves native. | |
298 // | |
299 // The only reason we must do this is because on machine with register | |
300 // windows we have a race with patching the return address and the | |
301 // window coming live as the thread returns to the Java code (but still | |
302 // in native mode) and then blocks. It is only this top most frame | |
303 // that is at risk. So in truth we could add an additional check to | |
304 // see if this frame is one that is at risk. | |
305 RegisterMap map(thread, false); | |
306 frame at_risk = thread->last_frame().sender(&map); | |
307 if (id() == at_risk.id()) { | |
308 thread->set_must_deopt_id(id()); | |
309 thread->set_deopt_suspend(); | |
310 return; | |
311 } | |
312 } | |
313 } // NeedsDeoptSuspend | |
314 | |
315 | |
1204 | 316 // If the call site is a MethodHandle call site use the MH deopt |
317 // handler. | |
318 address deopt = nm->is_method_handle_return(pc()) ? | |
319 nm->deopt_mh_handler_begin() : | |
320 nm->deopt_handler_begin(); | |
321 | |
0 | 322 // Save the original pc before we patch in the new one |
323 nm->set_original_pc(this, pc()); | |
324 patch_pc(thread, deopt); | |
1204 | 325 |
0 | 326 #ifdef ASSERT |
327 { | |
328 RegisterMap map(thread, false); | |
329 frame check = thread->last_frame(); | |
330 while (id() != check.id()) { | |
331 check = check.sender(&map); | |
332 } | |
333 assert(check.is_deoptimized_frame(), "missed deopt"); | |
334 } | |
335 #endif // ASSERT | |
336 } | |
337 | |
338 frame frame::java_sender() const { | |
339 RegisterMap map(JavaThread::current(), false); | |
340 frame s; | |
341 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)) ; | |
342 guarantee(s.is_java_frame(), "tried to get caller of first java frame"); | |
343 return s; | |
344 } | |
345 | |
346 frame frame::real_sender(RegisterMap* map) const { | |
347 frame result = sender(map); | |
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348 while (result.is_runtime_frame() || |
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349 result.is_ignored_frame()) { |
0 | 350 result = result.sender(map); |
351 } | |
352 return result; | |
353 } | |
354 | |
355 // Note: called by profiler - NOT for current thread | |
356 frame frame::profile_find_Java_sender_frame(JavaThread *thread) { | |
357 // If we don't recognize this frame, walk back up the stack until we do | |
358 RegisterMap map(thread, false); | |
359 frame first_java_frame = frame(); | |
360 | |
361 // Find the first Java frame on the stack starting with input frame | |
362 if (is_java_frame()) { | |
363 // top frame is compiled frame or deoptimized frame | |
364 first_java_frame = *this; | |
365 } else if (safe_for_sender(thread)) { | |
366 for (frame sender_frame = sender(&map); | |
367 sender_frame.safe_for_sender(thread) && !sender_frame.is_first_frame(); | |
368 sender_frame = sender_frame.sender(&map)) { | |
369 if (sender_frame.is_java_frame()) { | |
370 first_java_frame = sender_frame; | |
371 break; | |
372 } | |
373 } | |
374 } | |
375 return first_java_frame; | |
376 } | |
377 | |
378 // Interpreter frames | |
379 | |
380 | |
381 void frame::interpreter_frame_set_locals(intptr_t* locs) { | |
382 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
383 *interpreter_frame_locals_addr() = locs; | |
384 } | |
385 | |
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386 Method* frame::interpreter_frame_method() const { |
0 | 387 assert(is_interpreted_frame(), "interpreted frame expected"); |
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388 Method* m = *interpreter_frame_method_addr(); |
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389 assert(m->is_metadata(), "bad Method* in interpreter frame"); |
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390 assert(m->is_method(), "not a Method*"); |
0 | 391 return m; |
392 } | |
393 | |
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394 void frame::interpreter_frame_set_method(Method* method) { |
0 | 395 assert(is_interpreted_frame(), "interpreted frame expected"); |
396 *interpreter_frame_method_addr() = method; | |
397 } | |
398 | |
399 void frame::interpreter_frame_set_bcx(intptr_t bcx) { | |
400 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
401 if (ProfileInterpreter) { | |
402 bool formerly_bci = is_bci(interpreter_frame_bcx()); | |
403 bool is_now_bci = is_bci(bcx); | |
404 *interpreter_frame_bcx_addr() = bcx; | |
405 | |
406 intptr_t mdx = interpreter_frame_mdx(); | |
407 | |
408 if (mdx != 0) { | |
409 if (formerly_bci) { | |
410 if (!is_now_bci) { | |
411 // The bcx was just converted from bci to bcp. | |
412 // Convert the mdx in parallel. | |
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413 MethodData* mdo = interpreter_frame_method()->method_data(); |
0 | 414 assert(mdo != NULL, ""); |
415 int mdi = mdx - 1; // We distinguish valid mdi from zero by adding one. | |
416 address mdp = mdo->di_to_dp(mdi); | |
417 interpreter_frame_set_mdx((intptr_t)mdp); | |
418 } | |
419 } else { | |
420 if (is_now_bci) { | |
421 // The bcx was just converted from bcp to bci. | |
422 // Convert the mdx in parallel. | |
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423 MethodData* mdo = interpreter_frame_method()->method_data(); |
0 | 424 assert(mdo != NULL, ""); |
425 int mdi = mdo->dp_to_di((address)mdx); | |
426 interpreter_frame_set_mdx((intptr_t)mdi + 1); // distinguish valid from 0. | |
427 } | |
428 } | |
429 } | |
430 } else { | |
431 *interpreter_frame_bcx_addr() = bcx; | |
432 } | |
433 } | |
434 | |
435 jint frame::interpreter_frame_bci() const { | |
436 assert(is_interpreted_frame(), "interpreted frame expected"); | |
437 intptr_t bcx = interpreter_frame_bcx(); | |
438 return is_bci(bcx) ? bcx : interpreter_frame_method()->bci_from((address)bcx); | |
439 } | |
440 | |
441 void frame::interpreter_frame_set_bci(jint bci) { | |
442 assert(is_interpreted_frame(), "interpreted frame expected"); | |
443 assert(!is_bci(interpreter_frame_bcx()), "should not set bci during GC"); | |
444 interpreter_frame_set_bcx((intptr_t)interpreter_frame_method()->bcp_from(bci)); | |
445 } | |
446 | |
447 address frame::interpreter_frame_bcp() const { | |
448 assert(is_interpreted_frame(), "interpreted frame expected"); | |
449 intptr_t bcx = interpreter_frame_bcx(); | |
450 return is_bci(bcx) ? interpreter_frame_method()->bcp_from(bcx) : (address)bcx; | |
451 } | |
452 | |
453 void frame::interpreter_frame_set_bcp(address bcp) { | |
454 assert(is_interpreted_frame(), "interpreted frame expected"); | |
455 assert(!is_bci(interpreter_frame_bcx()), "should not set bcp during GC"); | |
456 interpreter_frame_set_bcx((intptr_t)bcp); | |
457 } | |
458 | |
459 void frame::interpreter_frame_set_mdx(intptr_t mdx) { | |
460 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
461 assert(ProfileInterpreter, "must be profiling interpreter"); | |
462 *interpreter_frame_mdx_addr() = mdx; | |
463 } | |
464 | |
465 address frame::interpreter_frame_mdp() const { | |
466 assert(ProfileInterpreter, "must be profiling interpreter"); | |
467 assert(is_interpreted_frame(), "interpreted frame expected"); | |
468 intptr_t bcx = interpreter_frame_bcx(); | |
469 intptr_t mdx = interpreter_frame_mdx(); | |
470 | |
471 assert(!is_bci(bcx), "should not access mdp during GC"); | |
472 return (address)mdx; | |
473 } | |
474 | |
475 void frame::interpreter_frame_set_mdp(address mdp) { | |
476 assert(is_interpreted_frame(), "interpreted frame expected"); | |
477 if (mdp == NULL) { | |
478 // Always allow the mdp to be cleared. | |
479 interpreter_frame_set_mdx((intptr_t)mdp); | |
480 } | |
481 intptr_t bcx = interpreter_frame_bcx(); | |
482 assert(!is_bci(bcx), "should not set mdp during GC"); | |
483 interpreter_frame_set_mdx((intptr_t)mdp); | |
484 } | |
485 | |
486 BasicObjectLock* frame::next_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
487 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
488 #ifdef ASSERT | |
489 interpreter_frame_verify_monitor(current); | |
490 #endif | |
491 BasicObjectLock* next = (BasicObjectLock*) (((intptr_t*) current) + interpreter_frame_monitor_size()); | |
492 return next; | |
493 } | |
494 | |
495 BasicObjectLock* frame::previous_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
496 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
497 #ifdef ASSERT | |
498 // // This verification needs to be checked before being enabled | |
499 // interpreter_frame_verify_monitor(current); | |
500 #endif | |
501 BasicObjectLock* previous = (BasicObjectLock*) (((intptr_t*) current) - interpreter_frame_monitor_size()); | |
502 return previous; | |
503 } | |
504 | |
505 // Interpreter locals and expression stack locations. | |
506 | |
507 intptr_t* frame::interpreter_frame_local_at(int index) const { | |
508 const int n = Interpreter::local_offset_in_bytes(index)/wordSize; | |
509 return &((*interpreter_frame_locals_addr())[n]); | |
510 } | |
511 | |
512 intptr_t* frame::interpreter_frame_expression_stack_at(jint offset) const { | |
513 const int i = offset * interpreter_frame_expression_stack_direction(); | |
1506 | 514 const int n = i * Interpreter::stackElementWords; |
0 | 515 return &(interpreter_frame_expression_stack()[n]); |
516 } | |
517 | |
518 jint frame::interpreter_frame_expression_stack_size() const { | |
519 // Number of elements on the interpreter expression stack | |
520 // Callers should span by stackElementWords | |
1506 | 521 int element_size = Interpreter::stackElementWords; |
0 | 522 if (frame::interpreter_frame_expression_stack_direction() < 0) { |
523 return (interpreter_frame_expression_stack() - | |
524 interpreter_frame_tos_address() + 1)/element_size; | |
525 } else { | |
526 return (interpreter_frame_tos_address() - | |
527 interpreter_frame_expression_stack() + 1)/element_size; | |
528 } | |
529 } | |
530 | |
531 | |
532 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) | |
533 | |
534 const char* frame::print_name() const { | |
535 if (is_native_frame()) return "Native"; | |
536 if (is_interpreted_frame()) return "Interpreted"; | |
537 if (is_compiled_frame()) { | |
538 if (is_deoptimized_frame()) return "Deoptimized"; | |
539 return "Compiled"; | |
540 } | |
541 if (sp() == NULL) return "Empty"; | |
542 return "C"; | |
543 } | |
544 | |
545 void frame::print_value_on(outputStream* st, JavaThread *thread) const { | |
546 NOT_PRODUCT(address begin = pc()-40;) | |
547 NOT_PRODUCT(address end = NULL;) | |
548 | |
549 st->print("%s frame (sp=" INTPTR_FORMAT " unextended sp=" INTPTR_FORMAT, print_name(), sp(), unextended_sp()); | |
550 if (sp() != NULL) | |
551 st->print(", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT, fp(), pc()); | |
552 | |
553 if (StubRoutines::contains(pc())) { | |
554 st->print_cr(")"); | |
555 st->print("("); | |
556 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
557 st->print("~Stub::%s", desc->name()); | |
558 NOT_PRODUCT(begin = desc->begin(); end = desc->end();) | |
559 } else if (Interpreter::contains(pc())) { | |
560 st->print_cr(")"); | |
561 st->print("("); | |
562 InterpreterCodelet* desc = Interpreter::codelet_containing(pc()); | |
563 if (desc != NULL) { | |
564 st->print("~"); | |
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565 desc->print_on(st); |
0 | 566 NOT_PRODUCT(begin = desc->code_begin(); end = desc->code_end();) |
567 } else { | |
568 st->print("~interpreter"); | |
569 } | |
570 } | |
571 st->print_cr(")"); | |
572 | |
573 if (_cb != NULL) { | |
574 st->print(" "); | |
575 _cb->print_value_on(st); | |
576 st->cr(); | |
577 #ifndef PRODUCT | |
578 if (end == NULL) { | |
1748 | 579 begin = _cb->code_begin(); |
580 end = _cb->code_end(); | |
0 | 581 } |
582 #endif | |
583 } | |
584 NOT_PRODUCT(if (WizardMode && Verbose) Disassembler::decode(begin, end);) | |
585 } | |
586 | |
587 | |
588 void frame::print_on(outputStream* st) const { | |
589 print_value_on(st,NULL); | |
590 if (is_interpreted_frame()) { | |
591 interpreter_frame_print_on(st); | |
592 } | |
593 } | |
594 | |
595 | |
596 void frame::interpreter_frame_print_on(outputStream* st) const { | |
597 #ifndef PRODUCT | |
598 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
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599 assert(interpreter_frame_method() != NULL && interpreter_frame_method()->contains(interpreter_frame_bcp()), "must be"); |
0 | 600 jint i; |
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601 st->print_cr(" - sp = " INTPTR_FORMAT, sp()); |
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602 // expressions |
0 | 603 for (i = interpreter_frame_expression_stack_size() - 1; i >= 0; --i ) { |
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604 intptr_t* x = interpreter_frame_expression_stack_at(i); |
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605 st->print(" - stack at " INTPTR_FORMAT " = " INTPTR_FORMAT, x, *x); |
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606 st->fill_to(70); |
0 | 607 st->print_cr("; #%d", i); |
608 } | |
609 // locks for synchronization | |
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610 st->print_cr(" - monitorend = " INTPTR_FORMAT, interpreter_frame_monitor_end()); |
0 | 611 for (BasicObjectLock* current = interpreter_frame_monitor_end(); |
612 current < interpreter_frame_monitor_begin(); | |
613 current = next_monitor_in_interpreter_frame(current)) { | |
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614 st->print (" - lock at " INTPTR_FORMAT " = ", current->lock()); |
0 | 615 current->lock()->print_on(st); |
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616 st->cr(); |
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617 st->print (" - obj at " INTPTR_FORMAT " = " INTPTR_FORMAT " ", current->obj_addr(), *current->obj_addr()); |
0 | 618 current->obj()->print_value_on(st); |
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619 st->cr(); |
0 | 620 } |
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621 st->print_cr(" - monitorbegin = " INTPTR_FORMAT, interpreter_frame_monitor_begin()); |
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622 |
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623 // bcp/bcx |
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624 st->print (" - bcp at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_bcx_addr(), interpreter_frame_bcp()); |
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625 st->fill_to(70); |
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626 st->print_cr("; @%d - %s", interpreter_frame_bci(), Bytecodes::name(interpreter_frame_method()->code_at(interpreter_frame_bci()))); |
0 | 627 // locals |
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628 st->print_cr(" - locals at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_locals_addr(), *interpreter_frame_locals_addr()); |
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629 // constant pool cache |
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630 st->print_cr(" - constant pool at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_cache_addr(), *interpreter_frame_cache_addr()); |
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631 // method data |
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632 st->print_cr(" - method data at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_mdx_addr(), *interpreter_frame_mdx_addr()); |
0 | 633 // method |
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634 st->print (" - method at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_method_addr(), *interpreter_frame_method_addr()); |
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635 st->fill_to(70); |
0 | 636 st->print("; "); |
637 interpreter_frame_method()->print_name(st); | |
638 st->cr(); | |
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639 // last sp |
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640 st->print_cr(" - last sp at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_last_sp_addr(), *interpreter_frame_last_sp_addr()); |
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641 // sender sp |
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642 st->print_cr(" - sender sp at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_sender_sp_addr(), *interpreter_frame_sender_sp_addr()); |
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643 // old fp |
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644 st->print_cr(" - old fp at " INTPTR_FORMAT " = " INTPTR_FORMAT, link_addr(), *link_addr()); |
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645 // return address |
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646 st->print_cr(" - return pc at " INTPTR_FORMAT " = " INTPTR_FORMAT, sender_pc_addr(), *sender_pc_addr()); |
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647 |
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648 // locals |
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649 for (i = interpreter_frame_method()->max_locals() - 1; i >= 0; i--) { |
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650 intptr_t* x = interpreter_frame_local_at(i); |
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651 st->print (" - local at " INTPTR_FORMAT " = " INTPTR_FORMAT, x, *x); |
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652 st->fill_to(70); |
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653 st->print_cr("; #%d", i); |
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654 } |
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655 |
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656 // fp |
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657 st->print_cr(" - fp = " INTPTR_FORMAT, fp()); |
0 | 658 #endif |
659 } | |
660 | |
661 // Return whether the frame is in the VM or os indicating a Hotspot problem. | |
662 // Otherwise, it's likely a bug in the native library that the Java code calls, | |
663 // hopefully indicating where to submit bugs. | |
664 static void print_C_frame(outputStream* st, char* buf, int buflen, address pc) { | |
665 // C/C++ frame | |
666 bool in_vm = os::address_is_in_vm(pc); | |
667 st->print(in_vm ? "V" : "C"); | |
668 | |
669 int offset; | |
670 bool found; | |
671 | |
672 // libname | |
673 found = os::dll_address_to_library_name(pc, buf, buflen, &offset); | |
674 if (found) { | |
675 // skip directory names | |
676 const char *p1, *p2; | |
677 p1 = buf; | |
678 int len = (int)strlen(os::file_separator()); | |
679 while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; | |
680 st->print(" [%s+0x%x]", p1, offset); | |
681 } else { | |
682 st->print(" " PTR_FORMAT, pc); | |
683 } | |
684 | |
685 // function name - os::dll_address_to_function_name() may return confusing | |
686 // names if pc is within jvm.dll or libjvm.so, because JVM only has | |
687 // JVM_xxxx and a few other symbols in the dynamic symbol table. Do this | |
688 // only for native libraries. | |
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689 if (!in_vm || Decoder::can_decode_C_frame_in_vm()) { |
0 | 690 found = os::dll_address_to_function_name(pc, buf, buflen, &offset); |
691 | |
692 if (found) { | |
693 st->print(" %s+0x%x", buf, offset); | |
694 } | |
695 } | |
696 } | |
697 | |
698 // frame::print_on_error() is called by fatal error handler. Notice that we may | |
699 // crash inside this function if stack frame is corrupted. The fatal error | |
700 // handler can catch and handle the crash. Here we assume the frame is valid. | |
701 // | |
702 // First letter indicates type of the frame: | |
703 // J: Java frame (compiled) | |
704 // j: Java frame (interpreted) | |
705 // V: VM frame (C/C++) | |
706 // v: Other frames running VM generated code (e.g. stubs, adapters, etc.) | |
707 // C: C/C++ frame | |
708 // | |
709 // We don't need detailed frame type as that in frame::print_name(). "C" | |
710 // suggests the problem is in user lib; everything else is likely a VM bug. | |
711 | |
712 void frame::print_on_error(outputStream* st, char* buf, int buflen, bool verbose) const { | |
713 if (_cb != NULL) { | |
714 if (Interpreter::contains(pc())) { | |
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715 Method* m = this->interpreter_frame_method(); |
0 | 716 if (m != NULL) { |
717 m->name_and_sig_as_C_string(buf, buflen); | |
718 st->print("j %s", buf); | |
719 st->print("+%d", this->interpreter_frame_bci()); | |
720 } else { | |
721 st->print("j " PTR_FORMAT, pc()); | |
722 } | |
723 } else if (StubRoutines::contains(pc())) { | |
724 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
725 if (desc != NULL) { | |
726 st->print("v ~StubRoutines::%s", desc->name()); | |
727 } else { | |
728 st->print("v ~StubRoutines::" PTR_FORMAT, pc()); | |
729 } | |
730 } else if (_cb->is_buffer_blob()) { | |
731 st->print("v ~BufferBlob::%s", ((BufferBlob *)_cb)->name()); | |
732 } else if (_cb->is_nmethod()) { | |
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733 Method* m = ((nmethod *)_cb)->method(); |
0 | 734 if (m != NULL) { |
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735 address code = _cb->code_begin(); |
0 | 736 m->name_and_sig_as_C_string(buf, buflen); |
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737 st->print("J %s [" PTR_FORMAT "+%d]", buf, code, pc() - code); |
0 | 738 } else { |
739 st->print("J " PTR_FORMAT, pc()); | |
740 } | |
741 } else if (_cb->is_runtime_stub()) { | |
742 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); | |
743 } else if (_cb->is_deoptimization_stub()) { | |
744 st->print("v ~DeoptimizationBlob"); | |
745 } else if (_cb->is_exception_stub()) { | |
746 st->print("v ~ExceptionBlob"); | |
747 } else if (_cb->is_safepoint_stub()) { | |
748 st->print("v ~SafepointBlob"); | |
749 } else { | |
750 st->print("v blob " PTR_FORMAT, pc()); | |
751 } | |
752 } else { | |
753 print_C_frame(st, buf, buflen, pc()); | |
754 } | |
755 } | |
756 | |
757 | |
758 /* | |
759 The interpreter_frame_expression_stack_at method in the case of SPARC needs the | |
760 max_stack value of the method in order to compute the expression stack address. | |
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762 Method* value saved on the frame is changed by reverse_and_push and hence cannot |
0 | 763 be used. So we save the max_stack value in the FrameClosure object and pass it |
764 down to the interpreter_frame_expression_stack_at method | |
765 */ | |
766 class InterpreterFrameClosure : public OffsetClosure { | |
767 private: | |
768 frame* _fr; | |
769 OopClosure* _f; | |
770 int _max_locals; | |
771 int _max_stack; | |
772 | |
773 public: | |
774 InterpreterFrameClosure(frame* fr, int max_locals, int max_stack, | |
775 OopClosure* f) { | |
776 _fr = fr; | |
777 _max_locals = max_locals; | |
778 _max_stack = max_stack; | |
779 _f = f; | |
780 } | |
781 | |
782 void offset_do(int offset) { | |
783 oop* addr; | |
784 if (offset < _max_locals) { | |
785 addr = (oop*) _fr->interpreter_frame_local_at(offset); | |
786 assert((intptr_t*)addr >= _fr->sp(), "must be inside the frame"); | |
787 _f->do_oop(addr); | |
788 } else { | |
789 addr = (oop*) _fr->interpreter_frame_expression_stack_at((offset - _max_locals)); | |
790 // In case of exceptions, the expression stack is invalid and the esp will be reset to express | |
791 // this condition. Therefore, we call f only if addr is 'inside' the stack (i.e., addr >= esp for Intel). | |
792 bool in_stack; | |
793 if (frame::interpreter_frame_expression_stack_direction() > 0) { | |
794 in_stack = (intptr_t*)addr <= _fr->interpreter_frame_tos_address(); | |
795 } else { | |
796 in_stack = (intptr_t*)addr >= _fr->interpreter_frame_tos_address(); | |
797 } | |
798 if (in_stack) { | |
799 _f->do_oop(addr); | |
800 } | |
801 } | |
802 } | |
803 | |
804 int max_locals() { return _max_locals; } | |
805 frame* fr() { return _fr; } | |
806 }; | |
807 | |
808 | |
809 class InterpretedArgumentOopFinder: public SignatureInfo { | |
810 private: | |
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811 OopClosure* _f; // Closure to invoke |
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812 int _offset; // TOS-relative offset, decremented with each argument |
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813 bool _has_receiver; // true if the callee has a receiver |
0 | 814 frame* _fr; |
815 | |
816 void set(int size, BasicType type) { | |
817 _offset -= size; | |
818 if (type == T_OBJECT || type == T_ARRAY) oop_offset_do(); | |
819 } | |
820 | |
821 void oop_offset_do() { | |
822 oop* addr; | |
823 addr = (oop*)_fr->interpreter_frame_tos_at(_offset); | |
824 _f->do_oop(addr); | |
825 } | |
826 | |
827 public: | |
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828 InterpretedArgumentOopFinder(Symbol* signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) { |
0 | 829 // compute size of arguments |
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830 int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
0 | 831 assert(!fr->is_interpreted_frame() || |
832 args_size <= fr->interpreter_frame_expression_stack_size(), | |
833 "args cannot be on stack anymore"); | |
834 // initialize InterpretedArgumentOopFinder | |
835 _f = f; | |
836 _fr = fr; | |
837 _offset = args_size; | |
838 } | |
839 | |
840 void oops_do() { | |
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841 if (_has_receiver) { |
0 | 842 --_offset; |
843 oop_offset_do(); | |
844 } | |
845 iterate_parameters(); | |
846 } | |
847 }; | |
848 | |
849 | |
850 // Entry frame has following form (n arguments) | |
851 // +-----------+ | |
852 // sp -> | last arg | | |
853 // +-----------+ | |
854 // : ::: : | |
855 // +-----------+ | |
856 // (sp+n)->| first arg| | |
857 // +-----------+ | |
858 | |
859 | |
860 | |
861 // visits and GC's all the arguments in entry frame | |
862 class EntryFrameOopFinder: public SignatureInfo { | |
863 private: | |
864 bool _is_static; | |
865 int _offset; | |
866 frame* _fr; | |
867 OopClosure* _f; | |
868 | |
869 void set(int size, BasicType type) { | |
870 assert (_offset >= 0, "illegal offset"); | |
871 if (type == T_OBJECT || type == T_ARRAY) oop_at_offset_do(_offset); | |
872 _offset -= size; | |
873 } | |
874 | |
875 void oop_at_offset_do(int offset) { | |
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876 assert (offset >= 0, "illegal offset"); |
0 | 877 oop* addr = (oop*) _fr->entry_frame_argument_at(offset); |
878 _f->do_oop(addr); | |
879 } | |
880 | |
881 public: | |
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882 EntryFrameOopFinder(frame* frame, Symbol* signature, bool is_static) : SignatureInfo(signature) { |
0 | 883 _f = NULL; // will be set later |
884 _fr = frame; | |
885 _is_static = is_static; | |
886 _offset = ArgumentSizeComputer(signature).size() - 1; // last parameter is at index 0 | |
887 } | |
888 | |
889 void arguments_do(OopClosure* f) { | |
890 _f = f; | |
891 if (!_is_static) oop_at_offset_do(_offset+1); // do the receiver | |
892 iterate_parameters(); | |
893 } | |
894 | |
895 }; | |
896 | |
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897 oop* frame::interpreter_callee_receiver_addr(Symbol* signature) { |
0 | 898 ArgumentSizeComputer asc(signature); |
899 int size = asc.size(); | |
900 return (oop *)interpreter_frame_tos_at(size); | |
901 } | |
902 | |
903 | |
904 void frame::oops_interpreted_do(OopClosure* f, const RegisterMap* map, bool query_oop_map_cache) { | |
905 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
906 assert(map != NULL, "map must be set"); | |
907 Thread *thread = Thread::current(); | |
908 methodHandle m (thread, interpreter_frame_method()); | |
909 jint bci = interpreter_frame_bci(); | |
910 | |
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911 assert(!Universe::heap()->is_in(m()), |
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912 "must be valid oop"); |
0 | 913 assert(m->is_method(), "checking frame value"); |
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914 assert((m->is_native() && bci == 0) || |
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915 (!m->is_native() && bci >= 0 && bci < m->code_size()), |
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916 "invalid bci value"); |
0 | 917 |
918 // Handle the monitor elements in the activation | |
919 for ( | |
920 BasicObjectLock* current = interpreter_frame_monitor_end(); | |
921 current < interpreter_frame_monitor_begin(); | |
922 current = next_monitor_in_interpreter_frame(current) | |
923 ) { | |
924 #ifdef ASSERT | |
925 interpreter_frame_verify_monitor(current); | |
926 #endif | |
927 current->oops_do(f); | |
928 } | |
929 | |
930 // process fixed part | |
1908 | 931 #if !defined(PPC) || defined(ZERO) |
0 | 932 if (m->is_native()) { |
933 #ifdef CC_INTERP | |
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934 interpreterState istate = get_interpreterState(); |
0 | 935 f->do_oop((oop*)&istate->_oop_temp); |
936 #else | |
937 f->do_oop((oop*)( fp() + interpreter_frame_oop_temp_offset )); | |
938 #endif /* CC_INTERP */ | |
939 } | |
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940 #else // PPC |
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941 if (m->is_native() && m->is_static()) { |
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942 f->do_oop(interpreter_frame_mirror_addr()); |
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943 } |
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944 #endif // PPC |
0 | 945 |
946 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
947 | |
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948 Symbol* signature = NULL; |
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949 bool has_receiver = false; |
0 | 950 |
951 // Process a callee's arguments if we are at a call site | |
952 // (i.e., if we are at an invoke bytecode) | |
953 // This is used sometimes for calling into the VM, not for another | |
954 // interpreted or compiled frame. | |
955 if (!m->is_native()) { | |
2142 | 956 Bytecode_invoke call = Bytecode_invoke_check(m, bci); |
957 if (call.is_valid()) { | |
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958 signature = call.signature(); |
2142 | 959 has_receiver = call.has_receiver(); |
0 | 960 if (map->include_argument_oops() && |
961 interpreter_frame_expression_stack_size() > 0) { | |
962 ResourceMark rm(thread); // is this right ??? | |
963 // we are at a call site & the expression stack is not empty | |
964 // => process callee's arguments | |
965 // | |
966 // Note: The expression stack can be empty if an exception | |
605 | 967 // occurred during method resolution/execution. In all |
0 | 968 // cases we empty the expression stack completely be- |
969 // fore handling the exception (the exception handling | |
970 // code in the interpreter calls a blocking runtime | |
971 // routine which can cause this code to be executed). | |
972 // (was bug gri 7/27/98) | |
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973 oops_interpreted_arguments_do(signature, has_receiver, f); |
0 | 974 } |
975 } | |
976 } | |
977 | |
1506 | 978 InterpreterFrameClosure blk(this, max_locals, m->max_stack(), f); |
979 | |
980 // process locals & expression stack | |
981 InterpreterOopMap mask; | |
982 if (query_oop_map_cache) { | |
983 m->mask_for(bci, &mask); | |
0 | 984 } else { |
1506 | 985 OopMapCache::compute_one_oop_map(m, bci, &mask); |
0 | 986 } |
1506 | 987 mask.iterate_oop(&blk); |
0 | 988 } |
989 | |
990 | |
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991 void frame::oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f) { |
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992 InterpretedArgumentOopFinder finder(signature, has_receiver, this, f); |
0 | 993 finder.oops_do(); |
994 } | |
995 | |
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996 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { |
0 | 997 assert(_cb != NULL, "sanity check"); |
998 if (_cb->oop_maps() != NULL) { | |
999 OopMapSet::oops_do(this, reg_map, f); | |
1000 | |
1001 // Preserve potential arguments for a callee. We handle this by dispatching | |
1002 // on the codeblob. For c2i, we do | |
1003 if (reg_map->include_argument_oops()) { | |
1004 _cb->preserve_callee_argument_oops(*this, reg_map, f); | |
1005 } | |
1006 } | |
1007 // In cases where perm gen is collected, GC will want to mark | |
1008 // oops referenced from nmethods active on thread stacks so as to | |
1009 // prevent them from being collected. However, this visit should be | |
1010 // restricted to certain phases of the collection only. The | |
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1011 // closure decides how it wants nmethods to be traced. |
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1012 if (cf != NULL) |
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1013 cf->do_code_blob(_cb); |
0 | 1014 } |
1015 | |
1016 class CompiledArgumentOopFinder: public SignatureInfo { | |
1017 protected: | |
1018 OopClosure* _f; | |
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1019 int _offset; // the current offset, incremented with each argument |
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1020 bool _has_receiver; // true if the callee has a receiver |
0 | 1021 frame _fr; |
1022 RegisterMap* _reg_map; | |
1023 int _arg_size; | |
1024 VMRegPair* _regs; // VMReg list of arguments | |
1025 | |
1026 void set(int size, BasicType type) { | |
1027 if (type == T_OBJECT || type == T_ARRAY) handle_oop_offset(); | |
1028 _offset += size; | |
1029 } | |
1030 | |
1031 virtual void handle_oop_offset() { | |
1032 // Extract low order register number from register array. | |
1033 // In LP64-land, the high-order bits are valid but unhelpful. | |
1034 VMReg reg = _regs[_offset].first(); | |
1035 oop *loc = _fr.oopmapreg_to_location(reg, _reg_map); | |
1036 _f->do_oop(loc); | |
1037 } | |
1038 | |
1039 public: | |
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1040 CompiledArgumentOopFinder(Symbol* signature, bool has_receiver, OopClosure* f, frame fr, const RegisterMap* reg_map) |
0 | 1041 : SignatureInfo(signature) { |
1042 | |
1043 // initialize CompiledArgumentOopFinder | |
1044 _f = f; | |
1045 _offset = 0; | |
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1046 _has_receiver = has_receiver; |
0 | 1047 _fr = fr; |
1048 _reg_map = (RegisterMap*)reg_map; | |
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1049 _arg_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
0 | 1050 |
1051 int arg_size; | |
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1052 _regs = SharedRuntime::find_callee_arguments(signature, has_receiver, &arg_size); |
0 | 1053 assert(arg_size == _arg_size, "wrong arg size"); |
1054 } | |
1055 | |
1056 void oops_do() { | |
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1057 if (_has_receiver) { |
0 | 1058 handle_oop_offset(); |
1059 _offset++; | |
1060 } | |
1061 iterate_parameters(); | |
1062 } | |
1063 }; | |
1064 | |
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1065 void frame::oops_compiled_arguments_do(Symbol* signature, bool has_receiver, const RegisterMap* reg_map, OopClosure* f) { |
0 | 1066 ResourceMark rm; |
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1067 CompiledArgumentOopFinder finder(signature, has_receiver, f, *this, reg_map); |
0 | 1068 finder.oops_do(); |
1069 } | |
1070 | |
1071 | |
1072 // Get receiver out of callers frame, i.e. find parameter 0 in callers | |
1073 // frame. Consult ADLC for where parameter 0 is to be found. Then | |
1074 // check local reg_map for it being a callee-save register or argument | |
1075 // register, both of which are saved in the local frame. If not found | |
1076 // there, it must be an in-stack argument of the caller. | |
1077 // Note: caller.sp() points to callee-arguments | |
1078 oop frame::retrieve_receiver(RegisterMap* reg_map) { | |
1079 frame caller = *this; | |
1080 | |
1081 // First consult the ADLC on where it puts parameter 0 for this signature. | |
1082 VMReg reg = SharedRuntime::name_for_receiver(); | |
1083 oop r = *caller.oopmapreg_to_location(reg, reg_map); | |
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1084 assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (intptr_t) r, (intptr_t) r)); |
0 | 1085 return r; |
1086 } | |
1087 | |
1088 | |
1089 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { | |
1090 if(reg->is_reg()) { | |
1091 // If it is passed in a register, it got spilled in the stub frame. | |
1092 return (oop *)reg_map->location(reg); | |
1093 } else { | |
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1094 int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size; |
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1095 return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes); |
0 | 1096 } |
1097 } | |
1098 | |
2019 | 1099 BasicLock* frame::get_native_monitor() { |
1100 nmethod* nm = (nmethod*)_cb; | |
1101 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
1102 "Should not call this unless it's a native nmethod"); | |
1103 int byte_offset = in_bytes(nm->native_basic_lock_sp_offset()); | |
0 | 1104 assert(byte_offset >= 0, "should not see invalid offset"); |
1105 return (BasicLock*) &sp()[byte_offset / wordSize]; | |
1106 } | |
1107 | |
2019 | 1108 oop frame::get_native_receiver() { |
1109 nmethod* nm = (nmethod*)_cb; | |
1110 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
1111 "Should not call this unless it's a native nmethod"); | |
1112 int byte_offset = in_bytes(nm->native_receiver_sp_offset()); | |
0 | 1113 assert(byte_offset >= 0, "should not see invalid offset"); |
1114 oop owner = ((oop*) sp())[byte_offset / wordSize]; | |
1115 assert( Universe::heap()->is_in(owner), "bad receiver" ); | |
1116 return owner; | |
1117 } | |
1118 | |
1119 void frame::oops_entry_do(OopClosure* f, const RegisterMap* map) { | |
1120 assert(map != NULL, "map must be set"); | |
1121 if (map->include_argument_oops()) { | |
1122 // must collect argument oops, as nobody else is doing it | |
1123 Thread *thread = Thread::current(); | |
1124 methodHandle m (thread, entry_frame_call_wrapper()->callee_method()); | |
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1125 EntryFrameOopFinder finder(this, m->signature(), m->is_static()); |
0 | 1126 finder.arguments_do(f); |
1127 } | |
1128 // Traverse the Handle Block saved in the entry frame | |
1129 entry_frame_call_wrapper()->oops_do(f); | |
1130 } | |
1131 | |
1132 | |
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1133 void frame::oops_do_internal(OopClosure* f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) { |
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1134 #ifndef PRODUCT |
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1135 // simulate GC crash here to dump java thread in error report |
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1136 if (CrashGCForDumpingJavaThread) { |
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1137 char *t = NULL; |
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1138 *t = 'c'; |
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1139 } |
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1140 #endif |
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1141 if (is_interpreted_frame()) { |
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1142 oops_interpreted_do(f, map, use_interpreter_oop_map_cache); |
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1143 } else if (is_entry_frame()) { |
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1144 oops_entry_do(f, map); |
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1145 } else if (CodeCache::contains(pc())) { |
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1146 oops_code_blob_do(f, cf, map); |
1692 | 1147 #ifdef SHARK |
1148 } else if (is_fake_stub_frame()) { | |
1149 // nothing to do | |
1150 #endif // SHARK | |
0 | 1151 } else { |
1152 ShouldNotReachHere(); | |
1153 } | |
1154 } | |
1155 | |
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1156 void frame::nmethods_do(CodeBlobClosure* cf) { |
0 | 1157 if (_cb != NULL && _cb->is_nmethod()) { |
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1158 cf->do_code_blob(_cb); |
0 | 1159 } |
1160 } | |
1161 | |
1162 | |
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1163 // call f() on the interpreted Method*s in the stack. |
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1164 // Have to walk the entire code cache for the compiled frames Yuck. |
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1165 void frame::metadata_do(void f(Metadata*)) { |
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1166 if (_cb != NULL && Interpreter::contains(pc())) { |
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1167 Method* m = this->interpreter_frame_method(); |
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1168 assert(m != NULL, "huh?"); |
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1169 f(m); |
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1170 } |
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1171 } |
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1172 |
0 | 1173 void frame::gc_prologue() { |
1174 if (is_interpreted_frame()) { | |
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1175 // set bcx to bci to become Method* position independent during GC |
0 | 1176 interpreter_frame_set_bcx(interpreter_frame_bci()); |
1177 } | |
1178 } | |
1179 | |
1180 | |
1181 void frame::gc_epilogue() { | |
1182 if (is_interpreted_frame()) { | |
1183 // set bcx back to bcp for interpreter | |
1184 interpreter_frame_set_bcx((intptr_t)interpreter_frame_bcp()); | |
1185 } | |
1186 // call processor specific epilog function | |
1187 pd_gc_epilog(); | |
1188 } | |
1189 | |
1190 | |
1191 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
1192 | |
1193 void frame::CheckValueClosure::do_oop(oop* p) { | |
1194 if (CheckOopishValues && Universe::heap()->is_in_reserved(*p)) { | |
1195 warning("value @ " INTPTR_FORMAT " looks oopish (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
1196 } | |
1197 } | |
1198 frame::CheckValueClosure frame::_check_value; | |
1199 | |
1200 | |
1201 void frame::CheckOopClosure::do_oop(oop* p) { | |
1202 if (*p != NULL && !(*p)->is_oop()) { | |
1203 warning("value @ " INTPTR_FORMAT " should be an oop (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
1204 } | |
1205 } | |
1206 frame::CheckOopClosure frame::_check_oop; | |
1207 | |
1208 void frame::check_derived_oop(oop* base, oop* derived) { | |
1209 _check_oop.do_oop(base); | |
1210 } | |
1211 | |
1212 | |
1213 void frame::ZapDeadClosure::do_oop(oop* p) { | |
1214 if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p); | |
1215 // Need cast because on _LP64 the conversion to oop is ambiguous. Constant | |
1216 // can be either long or int. | |
1217 *p = (oop)(int)0xbabebabe; | |
1218 } | |
1219 frame::ZapDeadClosure frame::_zap_dead; | |
1220 | |
1221 void frame::zap_dead_locals(JavaThread* thread, const RegisterMap* map) { | |
1222 assert(thread == Thread::current(), "need to synchronize to do this to another thread"); | |
1223 // Tracing - part 1 | |
1224 if (TraceZapDeadLocals) { | |
1225 ResourceMark rm(thread); | |
1226 tty->print_cr("--------------------------------------------------------------------------------"); | |
1227 tty->print("Zapping dead locals in "); | |
1228 print_on(tty); | |
1229 tty->cr(); | |
1230 } | |
1231 // Zapping | |
1232 if (is_entry_frame ()) zap_dead_entry_locals (thread, map); | |
1233 else if (is_interpreted_frame()) zap_dead_interpreted_locals(thread, map); | |
1234 else if (is_compiled_frame()) zap_dead_compiled_locals (thread, map); | |
1235 | |
1236 else | |
1237 // could be is_runtime_frame | |
1238 // so remove error: ShouldNotReachHere(); | |
1239 ; | |
1240 // Tracing - part 2 | |
1241 if (TraceZapDeadLocals) { | |
1242 tty->cr(); | |
1243 } | |
1244 } | |
1245 | |
1246 | |
1247 void frame::zap_dead_interpreted_locals(JavaThread *thread, const RegisterMap* map) { | |
1248 // get current interpreter 'pc' | |
1249 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
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1250 Method* m = interpreter_frame_method(); |
0 | 1251 int bci = interpreter_frame_bci(); |
1252 | |
1253 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
1254 | |
1506 | 1255 // process dynamic part |
1256 InterpreterFrameClosure value_blk(this, max_locals, m->max_stack(), | |
1257 &_check_value); | |
1258 InterpreterFrameClosure oop_blk(this, max_locals, m->max_stack(), | |
1259 &_check_oop ); | |
1260 InterpreterFrameClosure dead_blk(this, max_locals, m->max_stack(), | |
1261 &_zap_dead ); | |
0 | 1262 |
1506 | 1263 // get frame map |
1264 InterpreterOopMap mask; | |
1265 m->mask_for(bci, &mask); | |
1266 mask.iterate_all( &oop_blk, &value_blk, &dead_blk); | |
0 | 1267 } |
1268 | |
1269 | |
1270 void frame::zap_dead_compiled_locals(JavaThread* thread, const RegisterMap* reg_map) { | |
1271 | |
1272 ResourceMark rm(thread); | |
1273 assert(_cb != NULL, "sanity check"); | |
1274 if (_cb->oop_maps() != NULL) { | |
113
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1275 OopMapSet::all_do(this, reg_map, &_check_oop, check_derived_oop, &_check_value); |
0 | 1276 } |
1277 } | |
1278 | |
1279 | |
1280 void frame::zap_dead_entry_locals(JavaThread*, const RegisterMap*) { | |
1281 if (TraceZapDeadLocals) warning("frame::zap_dead_entry_locals unimplemented"); | |
1282 } | |
1283 | |
1284 | |
1285 void frame::zap_dead_deoptimized_locals(JavaThread*, const RegisterMap*) { | |
1286 if (TraceZapDeadLocals) warning("frame::zap_dead_deoptimized_locals unimplemented"); | |
1287 } | |
1288 | |
1289 # endif // ENABLE_ZAP_DEAD_LOCALS | |
1290 | |
1291 void frame::verify(const RegisterMap* map) { | |
1292 // for now make sure receiver type is correct | |
1293 if (is_interpreted_frame()) { | |
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1294 Method* method = interpreter_frame_method(); |
0 | 1295 guarantee(method->is_method(), "method is wrong in frame::verify"); |
1296 if (!method->is_static()) { | |
1297 // fetch the receiver | |
1298 oop* p = (oop*) interpreter_frame_local_at(0); | |
1299 // make sure we have the right receiver type | |
1300 } | |
1301 } | |
1302 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) | |
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1303 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, (RegisterMap*)map, false); |
0 | 1304 } |
1305 | |
1306 | |
1307 #ifdef ASSERT | |
1308 bool frame::verify_return_pc(address x) { | |
1309 if (StubRoutines::returns_to_call_stub(x)) { | |
1310 return true; | |
1311 } | |
1312 if (CodeCache::contains(x)) { | |
1313 return true; | |
1314 } | |
1315 if (Interpreter::contains(x)) { | |
1316 return true; | |
1317 } | |
1318 return false; | |
1319 } | |
1320 #endif | |
1321 | |
1322 #ifdef ASSERT | |
1323 void frame::interpreter_frame_verify_monitor(BasicObjectLock* value) const { | |
1324 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
1325 // verify that the value is in the right part of the frame | |
1326 address low_mark = (address) interpreter_frame_monitor_end(); | |
1327 address high_mark = (address) interpreter_frame_monitor_begin(); | |
1328 address current = (address) value; | |
1329 | |
1330 const int monitor_size = frame::interpreter_frame_monitor_size(); | |
1331 guarantee((high_mark - current) % monitor_size == 0 , "Misaligned top of BasicObjectLock*"); | |
1332 guarantee( high_mark > current , "Current BasicObjectLock* higher than high_mark"); | |
1333 | |
1334 guarantee((current - low_mark) % monitor_size == 0 , "Misaligned bottom of BasicObjectLock*"); | |
1335 guarantee( current >= low_mark , "Current BasicObjectLock* below than low_mark"); | |
1336 } | |
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1337 #endif |
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1338 |
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1339 #ifndef PRODUCT |
3336
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1340 void frame::describe(FrameValues& values, int frame_no) { |
4818
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1341 // boundaries: sp and the 'real' frame pointer |
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1342 values.describe(-1, sp(), err_msg("sp for #%d", frame_no), 1); |
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1343 intptr_t* frame_pointer = real_fp(); // Note: may differ from fp() |
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|
1344 |
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1345 // print frame info at the highest boundary |
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|
1346 intptr_t* info_address = MAX2(sp(), frame_pointer); |
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|
1347 |
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1348 if (info_address != frame_pointer) { |
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|
1349 // print frame_pointer explicitly if not marked by the frame info |
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diff
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|
1350 values.describe(-1, frame_pointer, err_msg("frame pointer for #%d", frame_no), 1); |
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1351 } |
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|
1352 |
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1353 if (is_entry_frame() || is_compiled_frame() || is_interpreted_frame() || is_native_frame()) { |
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1354 // Label values common to most frames |
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1355 values.describe(-1, unextended_sp(), err_msg("unextended_sp for #%d", frame_no)); |
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|
1356 } |
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|
1357 |
3336
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1358 if (is_interpreted_frame()) { |
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1359 Method* m = interpreter_frame_method(); |
3336
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1360 int bci = interpreter_frame_bci(); |
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1361 |
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|
1362 // Label the method and current bci |
4818
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1363 values.describe(-1, info_address, |
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1364 FormatBuffer<1024>("#%d method %s @ %d", frame_no, m->name_and_sig_as_C_string(), bci), 2); |
4818
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1365 values.describe(-1, info_address, |
3336
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1366 err_msg("- %d locals %d max stack", m->max_locals(), m->max_stack()), 1); |
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1367 if (m->max_locals() > 0) { |
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1368 intptr_t* l0 = interpreter_frame_local_at(0); |
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1369 intptr_t* ln = interpreter_frame_local_at(m->max_locals() - 1); |
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|
1370 values.describe(-1, MAX2(l0, ln), err_msg("locals for #%d", frame_no), 1); |
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1371 // Report each local and mark as owned by this frame |
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1372 for (int l = 0; l < m->max_locals(); l++) { |
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1373 intptr_t* l0 = interpreter_frame_local_at(l); |
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1374 values.describe(frame_no, l0, err_msg("local %d", l)); |
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1375 } |
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1376 } |
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1377 |
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1378 // Compute the actual expression stack size |
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1379 InterpreterOopMap mask; |
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1380 OopMapCache::compute_one_oop_map(m, bci, &mask); |
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1381 intptr_t* tos = NULL; |
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1382 // Report each stack element and mark as owned by this frame |
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1383 for (int e = 0; e < mask.expression_stack_size(); e++) { |
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1384 tos = MAX2(tos, interpreter_frame_expression_stack_at(e)); |
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1385 values.describe(frame_no, interpreter_frame_expression_stack_at(e), |
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|
1386 err_msg("stack %d", e)); |
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|
1387 } |
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1388 if (tos != NULL) { |
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|
1389 values.describe(-1, tos, err_msg("expression stack for #%d", frame_no), 1); |
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|
1390 } |
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1391 if (interpreter_frame_monitor_begin() != interpreter_frame_monitor_end()) { |
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|
1392 values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_begin(), "monitors begin"); |
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|
1393 values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_end(), "monitors end"); |
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|
1394 } |
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changeset
|
1395 } else if (is_entry_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1396 // For now just label the frame |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1397 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
|
1398 } else if (is_compiled_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1399 // For now just label the frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1400 nmethod* nm = cb()->as_nmethod_or_null(); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1401 values.describe(-1, info_address, |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1402 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
|
1403 nm, nm->method()->name_and_sig_as_C_string(), |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1404 (_deopt_state == is_deoptimized) ? |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1405 " (deoptimized)" : |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1406 ((_deopt_state == unknown) ? " (state unknown)" : "")), |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1407 2); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1408 } else if (is_native_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1409 // For now just label the frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1410 nmethod* nm = cb()->as_nmethod_or_null(); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1411 values.describe(-1, info_address, |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1412 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
|
1413 nm, nm->method()->name_and_sig_as_C_string()), 2); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1414 } else { |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1415 // provide default info if not handled before |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1416 char *info = (char *) "special frame"; |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1417 if ((_cb != NULL) && |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1418 (_cb->name() != NULL)) { |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1419 info = (char *)_cb->name(); |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1420 } |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1421 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
|
1422 } |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1423 |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1424 // platform dependent additional data |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1425 describe_pd(values, frame_no); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1426 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1427 |
0 | 1428 #endif |
1429 | |
1430 | |
1431 //----------------------------------------------------------------------------------- | |
1432 // StackFrameStream implementation | |
1433 | |
1434 StackFrameStream::StackFrameStream(JavaThread *thread, bool update) : _reg_map(thread, update) { | |
1435 assert(thread->has_last_Java_frame(), "sanity check"); | |
1436 _fr = thread->last_frame(); | |
1437 _is_done = false; | |
1438 } | |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1439 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1440 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1441 #ifndef PRODUCT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1442 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1443 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
|
1444 FrameValue fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1445 fv.location = location; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1446 fv.owner = owner; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1447 fv.priority = priority; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1448 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
|
1449 strcpy(fv.description, description); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1450 _values.append(fv); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1451 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1452 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1453 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1454 #ifdef ASSERT |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1455 void FrameValues::validate() { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1456 _values.sort(compare); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1457 bool error = false; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1458 FrameValue prev; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1459 prev.owner = -1; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1460 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
|
1461 FrameValue fv = _values.at(i); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1462 if (fv.owner == -1) continue; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1463 if (prev.owner == -1) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1464 prev = fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1465 continue; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1466 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1467 if (prev.location == fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1468 if (fv.owner != prev.owner) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1469 tty->print_cr("overlapping storage"); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1470 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
|
1471 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
|
1472 error = true; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1473 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1474 } else { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1475 prev = fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1476 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1477 } |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1478 assert(!error, "invalid layout"); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1479 } |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1480 #endif // ASSERT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1481 |
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1482 void FrameValues::print(JavaThread* thread) { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1483 _values.sort(compare); |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1484 |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1485 // 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
|
1486 // 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
|
1487 // 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
|
1488 int min_index = 0; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1489 int max_index = _values.length() - 1; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1490 intptr_t* v0 = _values.at(min_index).location; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1491 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
|
1492 |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1493 if (thread == Thread::current()) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1494 while (!thread->is_in_stack((address)v0)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1495 v0 = _values.at(++min_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1496 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1497 while (!thread->is_in_stack((address)v1)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1498 v1 = _values.at(--max_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1499 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1500 } else { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1501 while (!thread->on_local_stack((address)v0)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1502 v0 = _values.at(++min_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1503 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1504 while (!thread->on_local_stack((address)v1)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1505 v1 = _values.at(--max_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1506 } |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1507 } |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1508 intptr_t* min = MIN2(v0, v1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1509 intptr_t* max = MAX2(v0, v1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1510 intptr_t* cur = max; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1511 intptr_t* last = NULL; |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1512 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
|
1513 FrameValue fv = _values.at(i); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1514 while (cur > fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1515 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
|
1516 cur--; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1517 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1518 if (last == fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1519 const char* spacer = " " LP64_ONLY(" "); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1520 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
|
1521 } else { |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1522 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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1523 last = fv.location; |
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1524 cur--; |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1525 } |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1526 } |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1527 } |
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1528 |
4824
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7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
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1529 #endif // ndef PRODUCT |