Mercurial > hg > truffle
annotate src/share/vm/runtime/frame.cpp @ 7666:31540ca73e81
Remove ControlFlowException in SimpleLanguage.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Fri, 01 Feb 2013 19:53:52 +0100 |
parents | 291ffc492eb6 |
children | a7a93887b4c4 |
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" |
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26 #include "compiler/disassembler.hpp" |
1972 | 27 #include "gc_interface/collectedHeap.inline.hpp" |
28 #include "interpreter/interpreter.hpp" | |
29 #include "interpreter/oopMapCache.hpp" | |
30 #include "memory/resourceArea.hpp" | |
31 #include "memory/universe.inline.hpp" | |
32 #include "oops/markOop.hpp" | |
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33 #include "oops/methodData.hpp" |
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34 #include "oops/method.hpp" |
1972 | 35 #include "oops/oop.inline.hpp" |
36 #include "oops/oop.inline2.hpp" | |
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37 #include "prims/methodHandles.hpp" |
1972 | 38 #include "runtime/frame.inline.hpp" |
39 #include "runtime/handles.inline.hpp" | |
40 #include "runtime/javaCalls.hpp" | |
41 #include "runtime/monitorChunk.hpp" | |
42 #include "runtime/sharedRuntime.hpp" | |
43 #include "runtime/signature.hpp" | |
44 #include "runtime/stubCodeGenerator.hpp" | |
45 #include "runtime/stubRoutines.hpp" | |
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46 #include "utilities/decoder.hpp" |
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47 |
1972 | 48 #ifdef TARGET_ARCH_x86 |
49 # include "nativeInst_x86.hpp" | |
50 #endif | |
51 #ifdef TARGET_ARCH_sparc | |
52 # include "nativeInst_sparc.hpp" | |
53 #endif | |
54 #ifdef TARGET_ARCH_zero | |
55 # include "nativeInst_zero.hpp" | |
56 #endif | |
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57 #ifdef TARGET_ARCH_arm |
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58 # include "nativeInst_arm.hpp" |
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59 #endif |
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60 #ifdef TARGET_ARCH_ppc |
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61 # include "nativeInst_ppc.hpp" |
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62 #endif |
0 | 63 |
64 RegisterMap::RegisterMap(JavaThread *thread, bool update_map) { | |
65 _thread = thread; | |
66 _update_map = update_map; | |
67 clear(); | |
68 debug_only(_update_for_id = NULL;) | |
69 #ifndef PRODUCT | |
70 for (int i = 0; i < reg_count ; i++ ) _location[i] = NULL; | |
71 #endif /* PRODUCT */ | |
72 } | |
73 | |
74 RegisterMap::RegisterMap(const RegisterMap* map) { | |
75 assert(map != this, "bad initialization parameter"); | |
76 assert(map != NULL, "RegisterMap must be present"); | |
77 _thread = map->thread(); | |
78 _update_map = map->update_map(); | |
79 _include_argument_oops = map->include_argument_oops(); | |
80 debug_only(_update_for_id = map->_update_for_id;) | |
81 pd_initialize_from(map); | |
82 if (update_map()) { | |
83 for(int i = 0; i < location_valid_size; i++) { | |
84 LocationValidType bits = !update_map() ? 0 : map->_location_valid[i]; | |
85 _location_valid[i] = bits; | |
86 // for whichever bits are set, pull in the corresponding map->_location | |
87 int j = i*location_valid_type_size; | |
88 while (bits != 0) { | |
89 if ((bits & 1) != 0) { | |
90 assert(0 <= j && j < reg_count, "range check"); | |
91 _location[j] = map->_location[j]; | |
92 } | |
93 bits >>= 1; | |
94 j += 1; | |
95 } | |
96 } | |
97 } | |
98 } | |
99 | |
100 void RegisterMap::clear() { | |
101 set_include_argument_oops(true); | |
102 if (_update_map) { | |
103 for(int i = 0; i < location_valid_size; i++) { | |
104 _location_valid[i] = 0; | |
105 } | |
106 pd_clear(); | |
107 } else { | |
108 pd_initialize(); | |
109 } | |
110 } | |
111 | |
112 #ifndef PRODUCT | |
113 | |
114 void RegisterMap::print_on(outputStream* st) const { | |
115 st->print_cr("Register map"); | |
116 for(int i = 0; i < reg_count; i++) { | |
117 | |
118 VMReg r = VMRegImpl::as_VMReg(i); | |
119 intptr_t* src = (intptr_t*) location(r); | |
120 if (src != NULL) { | |
121 | |
417 | 122 r->print_on(st); |
123 st->print(" [" INTPTR_FORMAT "] = ", src); | |
0 | 124 if (((uintptr_t)src & (sizeof(*src)-1)) != 0) { |
417 | 125 st->print_cr("<misaligned>"); |
0 | 126 } else { |
417 | 127 st->print_cr(INTPTR_FORMAT, *src); |
0 | 128 } |
129 } | |
130 } | |
131 } | |
132 | |
133 void RegisterMap::print() const { | |
134 print_on(tty); | |
135 } | |
136 | |
137 #endif | |
138 // This returns the pc that if you were in the debugger you'd see. Not | |
139 // the idealized value in the frame object. This undoes the magic conversion | |
140 // that happens for deoptimized frames. In addition it makes the value the | |
141 // hardware would want to see in the native frame. The only user (at this point) | |
142 // is deoptimization. It likely no one else should ever use it. | |
143 | |
144 address frame::raw_pc() const { | |
145 if (is_deoptimized_frame()) { | |
1204 | 146 nmethod* nm = cb()->as_nmethod_or_null(); |
147 if (nm->is_method_handle_return(pc())) | |
148 return nm->deopt_mh_handler_begin() - pc_return_offset; | |
149 else | |
150 return nm->deopt_handler_begin() - pc_return_offset; | |
0 | 151 } else { |
152 return (pc() - pc_return_offset); | |
153 } | |
154 } | |
155 | |
156 // Change the pc in a frame object. This does not change the actual pc in | |
157 // actual frame. To do that use patch_pc. | |
158 // | |
159 void frame::set_pc(address newpc ) { | |
160 #ifdef ASSERT | |
161 if (_cb != NULL && _cb->is_nmethod()) { | |
162 assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant violation"); | |
163 } | |
164 #endif // ASSERT | |
165 | |
166 // Unsafe to use the is_deoptimzed tester after changing pc | |
167 _deopt_state = unknown; | |
168 _pc = newpc; | |
169 _cb = CodeCache::find_blob_unsafe(_pc); | |
170 | |
171 } | |
172 | |
173 // type testers | |
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174 bool frame::is_ignored_frame() const { |
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175 return false; // FIXME: some LambdaForm frames should be ignored |
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176 } |
0 | 177 bool frame::is_deoptimized_frame() const { |
178 assert(_deopt_state != unknown, "not answerable"); | |
179 return _deopt_state == is_deoptimized; | |
180 } | |
181 | |
182 bool frame::is_native_frame() const { | |
183 return (_cb != NULL && | |
184 _cb->is_nmethod() && | |
185 ((nmethod*)_cb)->is_native_method()); | |
186 } | |
187 | |
188 bool frame::is_java_frame() const { | |
189 if (is_interpreted_frame()) return true; | |
190 if (is_compiled_frame()) return true; | |
191 return false; | |
192 } | |
193 | |
194 | |
195 bool frame::is_compiled_frame() const { | |
196 if (_cb != NULL && | |
197 _cb->is_nmethod() && | |
198 ((nmethod*)_cb)->is_java_method()) { | |
199 return true; | |
200 } | |
201 return false; | |
202 } | |
203 | |
204 | |
205 bool frame::is_runtime_frame() const { | |
206 return (_cb != NULL && _cb->is_runtime_stub()); | |
207 } | |
208 | |
209 bool frame::is_safepoint_blob_frame() const { | |
210 return (_cb != NULL && _cb->is_safepoint_stub()); | |
211 } | |
212 | |
213 // testers | |
214 | |
215 bool frame::is_first_java_frame() const { | |
216 RegisterMap map(JavaThread::current(), false); // No update | |
217 frame s; | |
218 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)); | |
219 return s.is_first_frame(); | |
220 } | |
221 | |
222 | |
223 bool frame::entry_frame_is_first() const { | |
224 return entry_frame_call_wrapper()->anchor()->last_Java_sp() == NULL; | |
225 } | |
226 | |
227 | |
228 bool frame::should_be_deoptimized() const { | |
229 if (_deopt_state == is_deoptimized || | |
230 !is_compiled_frame() ) return false; | |
231 assert(_cb != NULL && _cb->is_nmethod(), "must be an nmethod"); | |
232 nmethod* nm = (nmethod *)_cb; | |
233 if (TraceDependencies) { | |
234 tty->print("checking (%s) ", nm->is_marked_for_deoptimization() ? "true" : "false"); | |
235 nm->print_value_on(tty); | |
236 tty->cr(); | |
237 } | |
238 | |
239 if( !nm->is_marked_for_deoptimization() ) | |
240 return false; | |
241 | |
242 // If at the return point, then the frame has already been popped, and | |
243 // only the return needs to be executed. Don't deoptimize here. | |
244 return !nm->is_at_poll_return(pc()); | |
245 } | |
246 | |
247 bool frame::can_be_deoptimized() const { | |
248 if (!is_compiled_frame()) return false; | |
249 nmethod* nm = (nmethod*)_cb; | |
250 | |
251 if( !nm->can_be_deoptimized() ) | |
252 return false; | |
253 | |
254 return !nm->is_at_poll_return(pc()); | |
255 } | |
256 | |
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257 void frame::deoptimize(JavaThread* thread) { |
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258 // Schedule deoptimization of an nmethod activation with this frame. |
0 | 259 assert(_cb != NULL && _cb->is_nmethod(), "must be"); |
260 nmethod* nm = (nmethod*)_cb; | |
261 | |
262 // This is a fix for register window patching race | |
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263 if (NeedsDeoptSuspend && Thread::current() != thread) { |
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264 assert(SafepointSynchronize::is_at_safepoint(), |
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265 "patching other threads for deopt may only occur at a safepoint"); |
0 | 266 |
267 // It is possible especially with DeoptimizeALot/DeoptimizeRandom that | |
268 // we could see the frame again and ask for it to be deoptimized since | |
269 // it might move for a long time. That is harmless and we just ignore it. | |
270 if (id() == thread->must_deopt_id()) { | |
271 assert(thread->is_deopt_suspend(), "lost suspension"); | |
272 return; | |
273 } | |
274 | |
275 // We are at a safepoint so the target thread can only be | |
276 // in 4 states: | |
277 // blocked - no problem | |
278 // blocked_trans - no problem (i.e. could have woken up from blocked | |
279 // during a safepoint). | |
280 // native - register window pc patching race | |
281 // native_trans - momentary state | |
282 // | |
283 // We could just wait out a thread in native_trans to block. | |
284 // Then we'd have all the issues that the safepoint code has as to | |
285 // whether to spin or block. It isn't worth it. Just treat it like | |
286 // native and be done with it. | |
287 // | |
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288 // Examine the state of the thread at the start of safepoint since |
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289 // threads that were in native at the start of the safepoint could |
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290 // come to a halt during the safepoint, changing the current value |
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291 // of the safepoint_state. |
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292 JavaThreadState state = thread->safepoint_state()->orig_thread_state(); |
0 | 293 if (state == _thread_in_native || state == _thread_in_native_trans) { |
294 // Since we are at a safepoint the target thread will stop itself | |
295 // before it can return to java as long as we remain at the safepoint. | |
296 // Therefore we can put an additional request for the thread to stop | |
297 // no matter what no (like a suspend). This will cause the thread | |
298 // to notice it needs to do the deopt on its own once it leaves native. | |
299 // | |
300 // The only reason we must do this is because on machine with register | |
301 // windows we have a race with patching the return address and the | |
302 // window coming live as the thread returns to the Java code (but still | |
303 // in native mode) and then blocks. It is only this top most frame | |
304 // that is at risk. So in truth we could add an additional check to | |
305 // see if this frame is one that is at risk. | |
306 RegisterMap map(thread, false); | |
307 frame at_risk = thread->last_frame().sender(&map); | |
308 if (id() == at_risk.id()) { | |
309 thread->set_must_deopt_id(id()); | |
310 thread->set_deopt_suspend(); | |
311 return; | |
312 } | |
313 } | |
314 } // NeedsDeoptSuspend | |
315 | |
316 | |
1204 | 317 // If the call site is a MethodHandle call site use the MH deopt |
318 // handler. | |
319 address deopt = nm->is_method_handle_return(pc()) ? | |
320 nm->deopt_mh_handler_begin() : | |
321 nm->deopt_handler_begin(); | |
322 | |
0 | 323 // Save the original pc before we patch in the new one |
324 nm->set_original_pc(this, pc()); | |
325 patch_pc(thread, deopt); | |
1204 | 326 |
0 | 327 #ifdef ASSERT |
328 { | |
329 RegisterMap map(thread, false); | |
330 frame check = thread->last_frame(); | |
331 while (id() != check.id()) { | |
332 check = check.sender(&map); | |
333 } | |
334 assert(check.is_deoptimized_frame(), "missed deopt"); | |
335 } | |
336 #endif // ASSERT | |
337 } | |
338 | |
339 frame frame::java_sender() const { | |
340 RegisterMap map(JavaThread::current(), false); | |
341 frame s; | |
342 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)) ; | |
343 guarantee(s.is_java_frame(), "tried to get caller of first java frame"); | |
344 return s; | |
345 } | |
346 | |
347 frame frame::real_sender(RegisterMap* map) const { | |
348 frame result = sender(map); | |
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349 while (result.is_runtime_frame() || |
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350 result.is_ignored_frame()) { |
0 | 351 result = result.sender(map); |
352 } | |
353 return result; | |
354 } | |
355 | |
356 // Note: called by profiler - NOT for current thread | |
357 frame frame::profile_find_Java_sender_frame(JavaThread *thread) { | |
358 // If we don't recognize this frame, walk back up the stack until we do | |
359 RegisterMap map(thread, false); | |
360 frame first_java_frame = frame(); | |
361 | |
362 // Find the first Java frame on the stack starting with input frame | |
363 if (is_java_frame()) { | |
364 // top frame is compiled frame or deoptimized frame | |
365 first_java_frame = *this; | |
366 } else if (safe_for_sender(thread)) { | |
367 for (frame sender_frame = sender(&map); | |
368 sender_frame.safe_for_sender(thread) && !sender_frame.is_first_frame(); | |
369 sender_frame = sender_frame.sender(&map)) { | |
370 if (sender_frame.is_java_frame()) { | |
371 first_java_frame = sender_frame; | |
372 break; | |
373 } | |
374 } | |
375 } | |
376 return first_java_frame; | |
377 } | |
378 | |
379 // Interpreter frames | |
380 | |
381 | |
382 void frame::interpreter_frame_set_locals(intptr_t* locs) { | |
383 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
384 *interpreter_frame_locals_addr() = locs; | |
385 } | |
386 | |
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387 Method* frame::interpreter_frame_method() const { |
0 | 388 assert(is_interpreted_frame(), "interpreted frame expected"); |
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389 Method* m = *interpreter_frame_method_addr(); |
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390 assert(m->is_metadata(), "bad Method* in interpreter frame"); |
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391 assert(m->is_method(), "not a Method*"); |
0 | 392 return m; |
393 } | |
394 | |
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395 void frame::interpreter_frame_set_method(Method* method) { |
0 | 396 assert(is_interpreted_frame(), "interpreted frame expected"); |
397 *interpreter_frame_method_addr() = method; | |
398 } | |
399 | |
400 void frame::interpreter_frame_set_bcx(intptr_t bcx) { | |
401 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
402 if (ProfileInterpreter) { | |
403 bool formerly_bci = is_bci(interpreter_frame_bcx()); | |
404 bool is_now_bci = is_bci(bcx); | |
405 *interpreter_frame_bcx_addr() = bcx; | |
406 | |
407 intptr_t mdx = interpreter_frame_mdx(); | |
408 | |
409 if (mdx != 0) { | |
410 if (formerly_bci) { | |
411 if (!is_now_bci) { | |
412 // The bcx was just converted from bci to bcp. | |
413 // Convert the mdx in parallel. | |
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414 MethodData* mdo = interpreter_frame_method()->method_data(); |
0 | 415 assert(mdo != NULL, ""); |
416 int mdi = mdx - 1; // We distinguish valid mdi from zero by adding one. | |
417 address mdp = mdo->di_to_dp(mdi); | |
418 interpreter_frame_set_mdx((intptr_t)mdp); | |
419 } | |
420 } else { | |
421 if (is_now_bci) { | |
422 // The bcx was just converted from bcp to bci. | |
423 // Convert the mdx in parallel. | |
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424 MethodData* mdo = interpreter_frame_method()->method_data(); |
0 | 425 assert(mdo != NULL, ""); |
426 int mdi = mdo->dp_to_di((address)mdx); | |
427 interpreter_frame_set_mdx((intptr_t)mdi + 1); // distinguish valid from 0. | |
428 } | |
429 } | |
430 } | |
431 } else { | |
432 *interpreter_frame_bcx_addr() = bcx; | |
433 } | |
434 } | |
435 | |
436 jint frame::interpreter_frame_bci() const { | |
437 assert(is_interpreted_frame(), "interpreted frame expected"); | |
438 intptr_t bcx = interpreter_frame_bcx(); | |
439 return is_bci(bcx) ? bcx : interpreter_frame_method()->bci_from((address)bcx); | |
440 } | |
441 | |
442 void frame::interpreter_frame_set_bci(jint bci) { | |
443 assert(is_interpreted_frame(), "interpreted frame expected"); | |
444 assert(!is_bci(interpreter_frame_bcx()), "should not set bci during GC"); | |
445 interpreter_frame_set_bcx((intptr_t)interpreter_frame_method()->bcp_from(bci)); | |
446 } | |
447 | |
448 address frame::interpreter_frame_bcp() const { | |
449 assert(is_interpreted_frame(), "interpreted frame expected"); | |
450 intptr_t bcx = interpreter_frame_bcx(); | |
451 return is_bci(bcx) ? interpreter_frame_method()->bcp_from(bcx) : (address)bcx; | |
452 } | |
453 | |
454 void frame::interpreter_frame_set_bcp(address bcp) { | |
455 assert(is_interpreted_frame(), "interpreted frame expected"); | |
456 assert(!is_bci(interpreter_frame_bcx()), "should not set bcp during GC"); | |
457 interpreter_frame_set_bcx((intptr_t)bcp); | |
458 } | |
459 | |
460 void frame::interpreter_frame_set_mdx(intptr_t mdx) { | |
461 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
462 assert(ProfileInterpreter, "must be profiling interpreter"); | |
463 *interpreter_frame_mdx_addr() = mdx; | |
464 } | |
465 | |
466 address frame::interpreter_frame_mdp() const { | |
467 assert(ProfileInterpreter, "must be profiling interpreter"); | |
468 assert(is_interpreted_frame(), "interpreted frame expected"); | |
469 intptr_t bcx = interpreter_frame_bcx(); | |
470 intptr_t mdx = interpreter_frame_mdx(); | |
471 | |
472 assert(!is_bci(bcx), "should not access mdp during GC"); | |
473 return (address)mdx; | |
474 } | |
475 | |
476 void frame::interpreter_frame_set_mdp(address mdp) { | |
477 assert(is_interpreted_frame(), "interpreted frame expected"); | |
478 if (mdp == NULL) { | |
479 // Always allow the mdp to be cleared. | |
480 interpreter_frame_set_mdx((intptr_t)mdp); | |
481 } | |
482 intptr_t bcx = interpreter_frame_bcx(); | |
483 assert(!is_bci(bcx), "should not set mdp during GC"); | |
484 interpreter_frame_set_mdx((intptr_t)mdp); | |
485 } | |
486 | |
487 BasicObjectLock* frame::next_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
488 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
489 #ifdef ASSERT | |
490 interpreter_frame_verify_monitor(current); | |
491 #endif | |
492 BasicObjectLock* next = (BasicObjectLock*) (((intptr_t*) current) + interpreter_frame_monitor_size()); | |
493 return next; | |
494 } | |
495 | |
496 BasicObjectLock* frame::previous_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
497 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
498 #ifdef ASSERT | |
499 // // This verification needs to be checked before being enabled | |
500 // interpreter_frame_verify_monitor(current); | |
501 #endif | |
502 BasicObjectLock* previous = (BasicObjectLock*) (((intptr_t*) current) - interpreter_frame_monitor_size()); | |
503 return previous; | |
504 } | |
505 | |
506 // Interpreter locals and expression stack locations. | |
507 | |
508 intptr_t* frame::interpreter_frame_local_at(int index) const { | |
509 const int n = Interpreter::local_offset_in_bytes(index)/wordSize; | |
510 return &((*interpreter_frame_locals_addr())[n]); | |
511 } | |
512 | |
513 intptr_t* frame::interpreter_frame_expression_stack_at(jint offset) const { | |
514 const int i = offset * interpreter_frame_expression_stack_direction(); | |
1506 | 515 const int n = i * Interpreter::stackElementWords; |
0 | 516 return &(interpreter_frame_expression_stack()[n]); |
517 } | |
518 | |
519 jint frame::interpreter_frame_expression_stack_size() const { | |
520 // Number of elements on the interpreter expression stack | |
521 // Callers should span by stackElementWords | |
1506 | 522 int element_size = Interpreter::stackElementWords; |
0 | 523 if (frame::interpreter_frame_expression_stack_direction() < 0) { |
524 return (interpreter_frame_expression_stack() - | |
525 interpreter_frame_tos_address() + 1)/element_size; | |
526 } else { | |
527 return (interpreter_frame_tos_address() - | |
528 interpreter_frame_expression_stack() + 1)/element_size; | |
529 } | |
530 } | |
531 | |
532 | |
533 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) | |
534 | |
535 const char* frame::print_name() const { | |
536 if (is_native_frame()) return "Native"; | |
537 if (is_interpreted_frame()) return "Interpreted"; | |
538 if (is_compiled_frame()) { | |
539 if (is_deoptimized_frame()) return "Deoptimized"; | |
540 return "Compiled"; | |
541 } | |
542 if (sp() == NULL) return "Empty"; | |
543 return "C"; | |
544 } | |
545 | |
546 void frame::print_value_on(outputStream* st, JavaThread *thread) const { | |
547 NOT_PRODUCT(address begin = pc()-40;) | |
548 NOT_PRODUCT(address end = NULL;) | |
549 | |
550 st->print("%s frame (sp=" INTPTR_FORMAT " unextended sp=" INTPTR_FORMAT, print_name(), sp(), unextended_sp()); | |
551 if (sp() != NULL) | |
552 st->print(", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT, fp(), pc()); | |
553 | |
554 if (StubRoutines::contains(pc())) { | |
555 st->print_cr(")"); | |
556 st->print("("); | |
557 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
558 st->print("~Stub::%s", desc->name()); | |
559 NOT_PRODUCT(begin = desc->begin(); end = desc->end();) | |
560 } else if (Interpreter::contains(pc())) { | |
561 st->print_cr(")"); | |
562 st->print("("); | |
563 InterpreterCodelet* desc = Interpreter::codelet_containing(pc()); | |
564 if (desc != NULL) { | |
565 st->print("~"); | |
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566 desc->print_on(st); |
0 | 567 NOT_PRODUCT(begin = desc->code_begin(); end = desc->code_end();) |
568 } else { | |
569 st->print("~interpreter"); | |
570 } | |
571 } | |
572 st->print_cr(")"); | |
573 | |
574 if (_cb != NULL) { | |
575 st->print(" "); | |
576 _cb->print_value_on(st); | |
577 st->cr(); | |
578 #ifndef PRODUCT | |
579 if (end == NULL) { | |
1748 | 580 begin = _cb->code_begin(); |
581 end = _cb->code_end(); | |
0 | 582 } |
583 #endif | |
584 } | |
585 NOT_PRODUCT(if (WizardMode && Verbose) Disassembler::decode(begin, end);) | |
586 } | |
587 | |
588 | |
589 void frame::print_on(outputStream* st) const { | |
590 print_value_on(st,NULL); | |
591 if (is_interpreted_frame()) { | |
592 interpreter_frame_print_on(st); | |
593 } | |
594 } | |
595 | |
596 | |
597 void frame::interpreter_frame_print_on(outputStream* st) const { | |
598 #ifndef PRODUCT | |
599 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
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600 assert(interpreter_frame_method() != NULL && interpreter_frame_method()->contains(interpreter_frame_bcp()), "must be"); |
0 | 601 jint i; |
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602 st->print_cr(" - sp = " INTPTR_FORMAT, sp()); |
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603 // expressions |
0 | 604 for (i = interpreter_frame_expression_stack_size() - 1; i >= 0; --i ) { |
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605 intptr_t* x = interpreter_frame_expression_stack_at(i); |
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606 st->print(" - stack at " INTPTR_FORMAT " = " INTPTR_FORMAT, x, *x); |
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607 st->fill_to(70); |
0 | 608 st->print_cr("; #%d", i); |
609 } | |
610 // locks for synchronization | |
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611 st->print_cr(" - monitorend = " INTPTR_FORMAT, interpreter_frame_monitor_end()); |
0 | 612 for (BasicObjectLock* current = interpreter_frame_monitor_end(); |
613 current < interpreter_frame_monitor_begin(); | |
614 current = next_monitor_in_interpreter_frame(current)) { | |
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615 st->print (" - lock at " INTPTR_FORMAT " = ", current->lock()); |
0 | 616 current->lock()->print_on(st); |
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617 st->cr(); |
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618 st->print (" - obj at " INTPTR_FORMAT " = " INTPTR_FORMAT " ", current->obj_addr(), *current->obj_addr()); |
0 | 619 current->obj()->print_value_on(st); |
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620 st->cr(); |
0 | 621 } |
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622 st->print_cr(" - monitorbegin = " INTPTR_FORMAT, interpreter_frame_monitor_begin()); |
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623 |
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624 // bcp/bcx |
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625 st->print (" - bcp at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_bcx_addr(), interpreter_frame_bcp()); |
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626 st->fill_to(70); |
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627 st->print_cr("; @%d - %s", interpreter_frame_bci(), Bytecodes::name(interpreter_frame_method()->code_at(interpreter_frame_bci()))); |
0 | 628 // locals |
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629 st->print_cr(" - locals at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_locals_addr(), *interpreter_frame_locals_addr()); |
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630 // constant pool cache |
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631 st->print_cr(" - constant pool at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_cache_addr(), *interpreter_frame_cache_addr()); |
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632 // method data |
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633 st->print_cr(" - method data at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_mdx_addr(), *interpreter_frame_mdx_addr()); |
0 | 634 // method |
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635 st->print (" - method at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_method_addr(), *interpreter_frame_method_addr()); |
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636 st->fill_to(70); |
0 | 637 st->print("; "); |
638 interpreter_frame_method()->print_name(st); | |
639 st->cr(); | |
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640 // last sp |
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641 st->print_cr(" - last sp at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_last_sp_addr(), *interpreter_frame_last_sp_addr()); |
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642 // sender sp |
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643 st->print_cr(" - sender sp at " INTPTR_FORMAT " = " INTPTR_FORMAT, interpreter_frame_sender_sp_addr(), *interpreter_frame_sender_sp_addr()); |
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644 // old fp |
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645 st->print_cr(" - old fp at " INTPTR_FORMAT " = " INTPTR_FORMAT, link_addr(), *link_addr()); |
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646 // return address |
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647 st->print_cr(" - return pc at " INTPTR_FORMAT " = " INTPTR_FORMAT, sender_pc_addr(), *sender_pc_addr()); |
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648 |
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649 // locals |
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650 for (i = interpreter_frame_method()->max_locals() - 1; i >= 0; i--) { |
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651 intptr_t* x = interpreter_frame_local_at(i); |
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652 st->print (" - local at " INTPTR_FORMAT " = " INTPTR_FORMAT, x, *x); |
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653 st->fill_to(70); |
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654 st->print_cr("; #%d", i); |
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655 } |
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656 |
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657 // fp |
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658 st->print_cr(" - fp = " INTPTR_FORMAT, fp()); |
0 | 659 #endif |
660 } | |
661 | |
662 // Return whether the frame is in the VM or os indicating a Hotspot problem. | |
663 // Otherwise, it's likely a bug in the native library that the Java code calls, | |
664 // hopefully indicating where to submit bugs. | |
665 static void print_C_frame(outputStream* st, char* buf, int buflen, address pc) { | |
666 // C/C++ frame | |
667 bool in_vm = os::address_is_in_vm(pc); | |
668 st->print(in_vm ? "V" : "C"); | |
669 | |
670 int offset; | |
671 bool found; | |
672 | |
673 // libname | |
674 found = os::dll_address_to_library_name(pc, buf, buflen, &offset); | |
675 if (found) { | |
676 // skip directory names | |
677 const char *p1, *p2; | |
678 p1 = buf; | |
679 int len = (int)strlen(os::file_separator()); | |
680 while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; | |
681 st->print(" [%s+0x%x]", p1, offset); | |
682 } else { | |
683 st->print(" " PTR_FORMAT, pc); | |
684 } | |
685 | |
686 // function name - os::dll_address_to_function_name() may return confusing | |
687 // names if pc is within jvm.dll or libjvm.so, because JVM only has | |
688 // JVM_xxxx and a few other symbols in the dynamic symbol table. Do this | |
689 // only for native libraries. | |
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690 if (!in_vm || Decoder::can_decode_C_frame_in_vm()) { |
0 | 691 found = os::dll_address_to_function_name(pc, buf, buflen, &offset); |
692 | |
693 if (found) { | |
694 st->print(" %s+0x%x", buf, offset); | |
695 } | |
696 } | |
697 } | |
698 | |
699 // frame::print_on_error() is called by fatal error handler. Notice that we may | |
700 // crash inside this function if stack frame is corrupted. The fatal error | |
701 // handler can catch and handle the crash. Here we assume the frame is valid. | |
702 // | |
703 // First letter indicates type of the frame: | |
704 // J: Java frame (compiled) | |
705 // j: Java frame (interpreted) | |
706 // V: VM frame (C/C++) | |
707 // v: Other frames running VM generated code (e.g. stubs, adapters, etc.) | |
708 // C: C/C++ frame | |
709 // | |
710 // We don't need detailed frame type as that in frame::print_name(). "C" | |
711 // suggests the problem is in user lib; everything else is likely a VM bug. | |
712 | |
713 void frame::print_on_error(outputStream* st, char* buf, int buflen, bool verbose) const { | |
714 if (_cb != NULL) { | |
715 if (Interpreter::contains(pc())) { | |
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716 Method* m = this->interpreter_frame_method(); |
0 | 717 if (m != NULL) { |
718 m->name_and_sig_as_C_string(buf, buflen); | |
719 st->print("j %s", buf); | |
720 st->print("+%d", this->interpreter_frame_bci()); | |
721 } else { | |
722 st->print("j " PTR_FORMAT, pc()); | |
723 } | |
724 } else if (StubRoutines::contains(pc())) { | |
725 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
726 if (desc != NULL) { | |
727 st->print("v ~StubRoutines::%s", desc->name()); | |
728 } else { | |
729 st->print("v ~StubRoutines::" PTR_FORMAT, pc()); | |
730 } | |
731 } else if (_cb->is_buffer_blob()) { | |
732 st->print("v ~BufferBlob::%s", ((BufferBlob *)_cb)->name()); | |
733 } else if (_cb->is_nmethod()) { | |
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734 Method* m = ((nmethod *)_cb)->method(); |
0 | 735 if (m != NULL) { |
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736 address code = _cb->code_begin(); |
0 | 737 m->name_and_sig_as_C_string(buf, buflen); |
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738 st->print("J %s [" PTR_FORMAT "+%d]", buf, code, pc() - code); |
0 | 739 } else { |
740 st->print("J " PTR_FORMAT, pc()); | |
741 } | |
742 } else if (_cb->is_runtime_stub()) { | |
743 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); | |
744 } else if (_cb->is_deoptimization_stub()) { | |
745 st->print("v ~DeoptimizationBlob"); | |
746 } else if (_cb->is_exception_stub()) { | |
747 st->print("v ~ExceptionBlob"); | |
748 } else if (_cb->is_safepoint_stub()) { | |
749 st->print("v ~SafepointBlob"); | |
750 } else { | |
751 st->print("v blob " PTR_FORMAT, pc()); | |
752 } | |
753 } else { | |
754 print_C_frame(st, buf, buflen, pc()); | |
755 } | |
756 } | |
757 | |
758 | |
759 /* | |
760 The interpreter_frame_expression_stack_at method in the case of SPARC needs the | |
761 max_stack value of the method in order to compute the expression stack address. | |
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763 Method* value saved on the frame is changed by reverse_and_push and hence cannot |
0 | 764 be used. So we save the max_stack value in the FrameClosure object and pass it |
765 down to the interpreter_frame_expression_stack_at method | |
766 */ | |
767 class InterpreterFrameClosure : public OffsetClosure { | |
768 private: | |
769 frame* _fr; | |
770 OopClosure* _f; | |
771 int _max_locals; | |
772 int _max_stack; | |
773 | |
774 public: | |
775 InterpreterFrameClosure(frame* fr, int max_locals, int max_stack, | |
776 OopClosure* f) { | |
777 _fr = fr; | |
778 _max_locals = max_locals; | |
779 _max_stack = max_stack; | |
780 _f = f; | |
781 } | |
782 | |
783 void offset_do(int offset) { | |
784 oop* addr; | |
785 if (offset < _max_locals) { | |
786 addr = (oop*) _fr->interpreter_frame_local_at(offset); | |
787 assert((intptr_t*)addr >= _fr->sp(), "must be inside the frame"); | |
788 _f->do_oop(addr); | |
789 } else { | |
790 addr = (oop*) _fr->interpreter_frame_expression_stack_at((offset - _max_locals)); | |
791 // In case of exceptions, the expression stack is invalid and the esp will be reset to express | |
792 // this condition. Therefore, we call f only if addr is 'inside' the stack (i.e., addr >= esp for Intel). | |
793 bool in_stack; | |
794 if (frame::interpreter_frame_expression_stack_direction() > 0) { | |
795 in_stack = (intptr_t*)addr <= _fr->interpreter_frame_tos_address(); | |
796 } else { | |
797 in_stack = (intptr_t*)addr >= _fr->interpreter_frame_tos_address(); | |
798 } | |
799 if (in_stack) { | |
800 _f->do_oop(addr); | |
801 } | |
802 } | |
803 } | |
804 | |
805 int max_locals() { return _max_locals; } | |
806 frame* fr() { return _fr; } | |
807 }; | |
808 | |
809 | |
810 class InterpretedArgumentOopFinder: public SignatureInfo { | |
811 private: | |
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812 OopClosure* _f; // Closure to invoke |
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813 int _offset; // TOS-relative offset, decremented with each argument |
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814 bool _has_receiver; // true if the callee has a receiver |
0 | 815 frame* _fr; |
816 | |
817 void set(int size, BasicType type) { | |
818 _offset -= size; | |
819 if (type == T_OBJECT || type == T_ARRAY) oop_offset_do(); | |
820 } | |
821 | |
822 void oop_offset_do() { | |
823 oop* addr; | |
824 addr = (oop*)_fr->interpreter_frame_tos_at(_offset); | |
825 _f->do_oop(addr); | |
826 } | |
827 | |
828 public: | |
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829 InterpretedArgumentOopFinder(Symbol* signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) { |
0 | 830 // compute size of arguments |
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831 int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
0 | 832 assert(!fr->is_interpreted_frame() || |
833 args_size <= fr->interpreter_frame_expression_stack_size(), | |
834 "args cannot be on stack anymore"); | |
835 // initialize InterpretedArgumentOopFinder | |
836 _f = f; | |
837 _fr = fr; | |
838 _offset = args_size; | |
839 } | |
840 | |
841 void oops_do() { | |
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842 if (_has_receiver) { |
0 | 843 --_offset; |
844 oop_offset_do(); | |
845 } | |
846 iterate_parameters(); | |
847 } | |
848 }; | |
849 | |
850 | |
851 // Entry frame has following form (n arguments) | |
852 // +-----------+ | |
853 // sp -> | last arg | | |
854 // +-----------+ | |
855 // : ::: : | |
856 // +-----------+ | |
857 // (sp+n)->| first arg| | |
858 // +-----------+ | |
859 | |
860 | |
861 | |
862 // visits and GC's all the arguments in entry frame | |
863 class EntryFrameOopFinder: public SignatureInfo { | |
864 private: | |
865 bool _is_static; | |
866 int _offset; | |
867 frame* _fr; | |
868 OopClosure* _f; | |
869 | |
870 void set(int size, BasicType type) { | |
871 assert (_offset >= 0, "illegal offset"); | |
872 if (type == T_OBJECT || type == T_ARRAY) oop_at_offset_do(_offset); | |
873 _offset -= size; | |
874 } | |
875 | |
876 void oop_at_offset_do(int offset) { | |
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877 assert (offset >= 0, "illegal offset"); |
0 | 878 oop* addr = (oop*) _fr->entry_frame_argument_at(offset); |
879 _f->do_oop(addr); | |
880 } | |
881 | |
882 public: | |
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883 EntryFrameOopFinder(frame* frame, Symbol* signature, bool is_static) : SignatureInfo(signature) { |
0 | 884 _f = NULL; // will be set later |
885 _fr = frame; | |
886 _is_static = is_static; | |
887 _offset = ArgumentSizeComputer(signature).size() - 1; // last parameter is at index 0 | |
888 } | |
889 | |
890 void arguments_do(OopClosure* f) { | |
891 _f = f; | |
892 if (!_is_static) oop_at_offset_do(_offset+1); // do the receiver | |
893 iterate_parameters(); | |
894 } | |
895 | |
896 }; | |
897 | |
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898 oop* frame::interpreter_callee_receiver_addr(Symbol* signature) { |
0 | 899 ArgumentSizeComputer asc(signature); |
900 int size = asc.size(); | |
901 return (oop *)interpreter_frame_tos_at(size); | |
902 } | |
903 | |
904 | |
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905 void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f, |
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906 const RegisterMap* map, bool query_oop_map_cache) { |
0 | 907 assert(is_interpreted_frame(), "Not an interpreted frame"); |
908 assert(map != NULL, "map must be set"); | |
909 Thread *thread = Thread::current(); | |
910 methodHandle m (thread, interpreter_frame_method()); | |
911 jint bci = interpreter_frame_bci(); | |
912 | |
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913 assert(!Universe::heap()->is_in(m()), |
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914 "must be valid oop"); |
0 | 915 assert(m->is_method(), "checking frame value"); |
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916 assert((m->is_native() && bci == 0) || |
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917 (!m->is_native() && bci >= 0 && bci < m->code_size()), |
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918 "invalid bci value"); |
0 | 919 |
920 // Handle the monitor elements in the activation | |
921 for ( | |
922 BasicObjectLock* current = interpreter_frame_monitor_end(); | |
923 current < interpreter_frame_monitor_begin(); | |
924 current = next_monitor_in_interpreter_frame(current) | |
925 ) { | |
926 #ifdef ASSERT | |
927 interpreter_frame_verify_monitor(current); | |
928 #endif | |
929 current->oops_do(f); | |
930 } | |
931 | |
932 // process fixed part | |
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933 if (cld_f != NULL) { |
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934 // The method pointer in the frame might be the only path to the method's |
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935 // klass, and the klass needs to be kept alive while executing. The GCs |
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936 // don't trace through method pointers, so typically in similar situations |
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937 // the mirror or the class loader of the klass are installed as a GC root. |
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938 // To minimze the overhead of doing that here, we ask the GC to pass down a |
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939 // closure that knows how to keep klasses alive given a ClassLoaderData. |
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940 cld_f->do_cld(m->method_holder()->class_loader_data()); |
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941 } |
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942 |
1908 | 943 #if !defined(PPC) || defined(ZERO) |
0 | 944 if (m->is_native()) { |
945 #ifdef CC_INTERP | |
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946 interpreterState istate = get_interpreterState(); |
0 | 947 f->do_oop((oop*)&istate->_oop_temp); |
948 #else | |
949 f->do_oop((oop*)( fp() + interpreter_frame_oop_temp_offset )); | |
950 #endif /* CC_INTERP */ | |
951 } | |
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952 #else // PPC |
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953 if (m->is_native() && m->is_static()) { |
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954 f->do_oop(interpreter_frame_mirror_addr()); |
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955 } |
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956 #endif // PPC |
0 | 957 |
958 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
959 | |
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960 Symbol* signature = NULL; |
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961 bool has_receiver = false; |
0 | 962 |
963 // Process a callee's arguments if we are at a call site | |
964 // (i.e., if we are at an invoke bytecode) | |
965 // This is used sometimes for calling into the VM, not for another | |
966 // interpreted or compiled frame. | |
967 if (!m->is_native()) { | |
2142 | 968 Bytecode_invoke call = Bytecode_invoke_check(m, bci); |
969 if (call.is_valid()) { | |
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970 signature = call.signature(); |
2142 | 971 has_receiver = call.has_receiver(); |
0 | 972 if (map->include_argument_oops() && |
973 interpreter_frame_expression_stack_size() > 0) { | |
974 ResourceMark rm(thread); // is this right ??? | |
975 // we are at a call site & the expression stack is not empty | |
976 // => process callee's arguments | |
977 // | |
978 // Note: The expression stack can be empty if an exception | |
605 | 979 // occurred during method resolution/execution. In all |
0 | 980 // cases we empty the expression stack completely be- |
981 // fore handling the exception (the exception handling | |
982 // code in the interpreter calls a blocking runtime | |
983 // routine which can cause this code to be executed). | |
984 // (was bug gri 7/27/98) | |
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985 oops_interpreted_arguments_do(signature, has_receiver, f); |
0 | 986 } |
987 } | |
988 } | |
989 | |
1506 | 990 InterpreterFrameClosure blk(this, max_locals, m->max_stack(), f); |
991 | |
992 // process locals & expression stack | |
993 InterpreterOopMap mask; | |
994 if (query_oop_map_cache) { | |
995 m->mask_for(bci, &mask); | |
0 | 996 } else { |
1506 | 997 OopMapCache::compute_one_oop_map(m, bci, &mask); |
0 | 998 } |
1506 | 999 mask.iterate_oop(&blk); |
0 | 1000 } |
1001 | |
1002 | |
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1003 void frame::oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f) { |
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1004 InterpretedArgumentOopFinder finder(signature, has_receiver, this, f); |
0 | 1005 finder.oops_do(); |
1006 } | |
1007 | |
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1008 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { |
0 | 1009 assert(_cb != NULL, "sanity check"); |
1010 if (_cb->oop_maps() != NULL) { | |
1011 OopMapSet::oops_do(this, reg_map, f); | |
1012 | |
1013 // Preserve potential arguments for a callee. We handle this by dispatching | |
1014 // on the codeblob. For c2i, we do | |
1015 if (reg_map->include_argument_oops()) { | |
1016 _cb->preserve_callee_argument_oops(*this, reg_map, f); | |
1017 } | |
1018 } | |
1019 // In cases where perm gen is collected, GC will want to mark | |
1020 // oops referenced from nmethods active on thread stacks so as to | |
1021 // prevent them from being collected. However, this visit should be | |
1022 // restricted to certain phases of the collection only. The | |
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1023 // closure decides how it wants nmethods to be traced. |
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1024 if (cf != NULL) |
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1025 cf->do_code_blob(_cb); |
0 | 1026 } |
1027 | |
1028 class CompiledArgumentOopFinder: public SignatureInfo { | |
1029 protected: | |
1030 OopClosure* _f; | |
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1031 int _offset; // the current offset, incremented with each argument |
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1032 bool _has_receiver; // true if the callee has a receiver |
0 | 1033 frame _fr; |
1034 RegisterMap* _reg_map; | |
1035 int _arg_size; | |
1036 VMRegPair* _regs; // VMReg list of arguments | |
1037 | |
1038 void set(int size, BasicType type) { | |
1039 if (type == T_OBJECT || type == T_ARRAY) handle_oop_offset(); | |
1040 _offset += size; | |
1041 } | |
1042 | |
1043 virtual void handle_oop_offset() { | |
1044 // Extract low order register number from register array. | |
1045 // In LP64-land, the high-order bits are valid but unhelpful. | |
1046 VMReg reg = _regs[_offset].first(); | |
1047 oop *loc = _fr.oopmapreg_to_location(reg, _reg_map); | |
1048 _f->do_oop(loc); | |
1049 } | |
1050 | |
1051 public: | |
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1052 CompiledArgumentOopFinder(Symbol* signature, bool has_receiver, OopClosure* f, frame fr, const RegisterMap* reg_map) |
0 | 1053 : SignatureInfo(signature) { |
1054 | |
1055 // initialize CompiledArgumentOopFinder | |
1056 _f = f; | |
1057 _offset = 0; | |
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1058 _has_receiver = has_receiver; |
0 | 1059 _fr = fr; |
1060 _reg_map = (RegisterMap*)reg_map; | |
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1061 _arg_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
0 | 1062 |
1063 int arg_size; | |
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1064 _regs = SharedRuntime::find_callee_arguments(signature, has_receiver, &arg_size); |
0 | 1065 assert(arg_size == _arg_size, "wrong arg size"); |
1066 } | |
1067 | |
1068 void oops_do() { | |
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1069 if (_has_receiver) { |
0 | 1070 handle_oop_offset(); |
1071 _offset++; | |
1072 } | |
1073 iterate_parameters(); | |
1074 } | |
1075 }; | |
1076 | |
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1077 void frame::oops_compiled_arguments_do(Symbol* signature, bool has_receiver, const RegisterMap* reg_map, OopClosure* f) { |
0 | 1078 ResourceMark rm; |
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1079 CompiledArgumentOopFinder finder(signature, has_receiver, f, *this, reg_map); |
0 | 1080 finder.oops_do(); |
1081 } | |
1082 | |
1083 | |
1084 // Get receiver out of callers frame, i.e. find parameter 0 in callers | |
1085 // frame. Consult ADLC for where parameter 0 is to be found. Then | |
1086 // check local reg_map for it being a callee-save register or argument | |
1087 // register, both of which are saved in the local frame. If not found | |
1088 // there, it must be an in-stack argument of the caller. | |
1089 // Note: caller.sp() points to callee-arguments | |
1090 oop frame::retrieve_receiver(RegisterMap* reg_map) { | |
1091 frame caller = *this; | |
1092 | |
1093 // First consult the ADLC on where it puts parameter 0 for this signature. | |
1094 VMReg reg = SharedRuntime::name_for_receiver(); | |
1095 oop r = *caller.oopmapreg_to_location(reg, reg_map); | |
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1096 assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (intptr_t) r, (intptr_t) r)); |
0 | 1097 return r; |
1098 } | |
1099 | |
1100 | |
1101 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { | |
1102 if(reg->is_reg()) { | |
1103 // If it is passed in a register, it got spilled in the stub frame. | |
1104 return (oop *)reg_map->location(reg); | |
1105 } else { | |
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1106 int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size; |
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1107 return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes); |
0 | 1108 } |
1109 } | |
1110 | |
2019 | 1111 BasicLock* frame::get_native_monitor() { |
1112 nmethod* nm = (nmethod*)_cb; | |
1113 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
1114 "Should not call this unless it's a native nmethod"); | |
1115 int byte_offset = in_bytes(nm->native_basic_lock_sp_offset()); | |
0 | 1116 assert(byte_offset >= 0, "should not see invalid offset"); |
1117 return (BasicLock*) &sp()[byte_offset / wordSize]; | |
1118 } | |
1119 | |
2019 | 1120 oop frame::get_native_receiver() { |
1121 nmethod* nm = (nmethod*)_cb; | |
1122 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
1123 "Should not call this unless it's a native nmethod"); | |
1124 int byte_offset = in_bytes(nm->native_receiver_sp_offset()); | |
0 | 1125 assert(byte_offset >= 0, "should not see invalid offset"); |
1126 oop owner = ((oop*) sp())[byte_offset / wordSize]; | |
1127 assert( Universe::heap()->is_in(owner), "bad receiver" ); | |
1128 return owner; | |
1129 } | |
1130 | |
1131 void frame::oops_entry_do(OopClosure* f, const RegisterMap* map) { | |
1132 assert(map != NULL, "map must be set"); | |
1133 if (map->include_argument_oops()) { | |
1134 // must collect argument oops, as nobody else is doing it | |
1135 Thread *thread = Thread::current(); | |
1136 methodHandle m (thread, entry_frame_call_wrapper()->callee_method()); | |
2177
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1137 EntryFrameOopFinder finder(this, m->signature(), m->is_static()); |
0 | 1138 finder.arguments_do(f); |
1139 } | |
1140 // Traverse the Handle Block saved in the entry frame | |
1141 entry_frame_call_wrapper()->oops_do(f); | |
1142 } | |
1143 | |
1144 | |
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1145 void frame::oops_do_internal(OopClosure* f, CLDToOopClosure* cld_f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) { |
1119
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1146 #ifndef PRODUCT |
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1147 // simulate GC crash here to dump java thread in error report |
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1148 if (CrashGCForDumpingJavaThread) { |
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1149 char *t = NULL; |
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1150 *t = 'c'; |
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1151 } |
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1152 #endif |
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1153 if (is_interpreted_frame()) { |
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1154 oops_interpreted_do(f, cld_f, map, use_interpreter_oop_map_cache); |
1119
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1155 } else if (is_entry_frame()) { |
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1156 oops_entry_do(f, map); |
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1157 } else if (CodeCache::contains(pc())) { |
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1158 oops_code_blob_do(f, cf, map); |
1692 | 1159 #ifdef SHARK |
1160 } else if (is_fake_stub_frame()) { | |
1161 // nothing to do | |
1162 #endif // SHARK | |
0 | 1163 } else { |
1164 ShouldNotReachHere(); | |
1165 } | |
1166 } | |
1167 | |
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1168 void frame::nmethods_do(CodeBlobClosure* cf) { |
0 | 1169 if (_cb != NULL && _cb->is_nmethod()) { |
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1170 cf->do_code_blob(_cb); |
0 | 1171 } |
1172 } | |
1173 | |
1174 | |
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1175 // call f() on the interpreted Method*s in the stack. |
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1176 // Have to walk the entire code cache for the compiled frames Yuck. |
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1177 void frame::metadata_do(void f(Metadata*)) { |
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1178 if (_cb != NULL && Interpreter::contains(pc())) { |
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1179 Method* m = this->interpreter_frame_method(); |
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1180 assert(m != NULL, "huh?"); |
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1181 f(m); |
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1182 } |
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1183 } |
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1184 |
0 | 1185 void frame::gc_prologue() { |
1186 if (is_interpreted_frame()) { | |
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1187 // set bcx to bci to become Method* position independent during GC |
0 | 1188 interpreter_frame_set_bcx(interpreter_frame_bci()); |
1189 } | |
1190 } | |
1191 | |
1192 | |
1193 void frame::gc_epilogue() { | |
1194 if (is_interpreted_frame()) { | |
1195 // set bcx back to bcp for interpreter | |
1196 interpreter_frame_set_bcx((intptr_t)interpreter_frame_bcp()); | |
1197 } | |
1198 // call processor specific epilog function | |
1199 pd_gc_epilog(); | |
1200 } | |
1201 | |
1202 | |
1203 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
1204 | |
1205 void frame::CheckValueClosure::do_oop(oop* p) { | |
1206 if (CheckOopishValues && Universe::heap()->is_in_reserved(*p)) { | |
1207 warning("value @ " INTPTR_FORMAT " looks oopish (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
1208 } | |
1209 } | |
1210 frame::CheckValueClosure frame::_check_value; | |
1211 | |
1212 | |
1213 void frame::CheckOopClosure::do_oop(oop* p) { | |
1214 if (*p != NULL && !(*p)->is_oop()) { | |
1215 warning("value @ " INTPTR_FORMAT " should be an oop (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
1216 } | |
1217 } | |
1218 frame::CheckOopClosure frame::_check_oop; | |
1219 | |
1220 void frame::check_derived_oop(oop* base, oop* derived) { | |
1221 _check_oop.do_oop(base); | |
1222 } | |
1223 | |
1224 | |
1225 void frame::ZapDeadClosure::do_oop(oop* p) { | |
1226 if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p); | |
1227 // Need cast because on _LP64 the conversion to oop is ambiguous. Constant | |
1228 // can be either long or int. | |
1229 *p = (oop)(int)0xbabebabe; | |
1230 } | |
1231 frame::ZapDeadClosure frame::_zap_dead; | |
1232 | |
1233 void frame::zap_dead_locals(JavaThread* thread, const RegisterMap* map) { | |
1234 assert(thread == Thread::current(), "need to synchronize to do this to another thread"); | |
1235 // Tracing - part 1 | |
1236 if (TraceZapDeadLocals) { | |
1237 ResourceMark rm(thread); | |
1238 tty->print_cr("--------------------------------------------------------------------------------"); | |
1239 tty->print("Zapping dead locals in "); | |
1240 print_on(tty); | |
1241 tty->cr(); | |
1242 } | |
1243 // Zapping | |
1244 if (is_entry_frame ()) zap_dead_entry_locals (thread, map); | |
1245 else if (is_interpreted_frame()) zap_dead_interpreted_locals(thread, map); | |
1246 else if (is_compiled_frame()) zap_dead_compiled_locals (thread, map); | |
1247 | |
1248 else | |
1249 // could be is_runtime_frame | |
1250 // so remove error: ShouldNotReachHere(); | |
1251 ; | |
1252 // Tracing - part 2 | |
1253 if (TraceZapDeadLocals) { | |
1254 tty->cr(); | |
1255 } | |
1256 } | |
1257 | |
1258 | |
1259 void frame::zap_dead_interpreted_locals(JavaThread *thread, const RegisterMap* map) { | |
1260 // get current interpreter 'pc' | |
1261 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
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1262 Method* m = interpreter_frame_method(); |
0 | 1263 int bci = interpreter_frame_bci(); |
1264 | |
1265 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
1266 | |
1506 | 1267 // process dynamic part |
1268 InterpreterFrameClosure value_blk(this, max_locals, m->max_stack(), | |
1269 &_check_value); | |
1270 InterpreterFrameClosure oop_blk(this, max_locals, m->max_stack(), | |
1271 &_check_oop ); | |
1272 InterpreterFrameClosure dead_blk(this, max_locals, m->max_stack(), | |
1273 &_zap_dead ); | |
0 | 1274 |
1506 | 1275 // get frame map |
1276 InterpreterOopMap mask; | |
1277 m->mask_for(bci, &mask); | |
1278 mask.iterate_all( &oop_blk, &value_blk, &dead_blk); | |
0 | 1279 } |
1280 | |
1281 | |
1282 void frame::zap_dead_compiled_locals(JavaThread* thread, const RegisterMap* reg_map) { | |
1283 | |
1284 ResourceMark rm(thread); | |
1285 assert(_cb != NULL, "sanity check"); | |
1286 if (_cb->oop_maps() != NULL) { | |
113
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1287 OopMapSet::all_do(this, reg_map, &_check_oop, check_derived_oop, &_check_value); |
0 | 1288 } |
1289 } | |
1290 | |
1291 | |
1292 void frame::zap_dead_entry_locals(JavaThread*, const RegisterMap*) { | |
1293 if (TraceZapDeadLocals) warning("frame::zap_dead_entry_locals unimplemented"); | |
1294 } | |
1295 | |
1296 | |
1297 void frame::zap_dead_deoptimized_locals(JavaThread*, const RegisterMap*) { | |
1298 if (TraceZapDeadLocals) warning("frame::zap_dead_deoptimized_locals unimplemented"); | |
1299 } | |
1300 | |
1301 # endif // ENABLE_ZAP_DEAD_LOCALS | |
1302 | |
1303 void frame::verify(const RegisterMap* map) { | |
1304 // for now make sure receiver type is correct | |
1305 if (is_interpreted_frame()) { | |
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1306 Method* method = interpreter_frame_method(); |
0 | 1307 guarantee(method->is_method(), "method is wrong in frame::verify"); |
1308 if (!method->is_static()) { | |
1309 // fetch the receiver | |
1310 oop* p = (oop*) interpreter_frame_local_at(0); | |
1311 // make sure we have the right receiver type | |
1312 } | |
1313 } | |
1314 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) | |
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1315 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, NULL, (RegisterMap*)map, false); |
0 | 1316 } |
1317 | |
1318 | |
1319 #ifdef ASSERT | |
1320 bool frame::verify_return_pc(address x) { | |
1321 if (StubRoutines::returns_to_call_stub(x)) { | |
1322 return true; | |
1323 } | |
1324 if (CodeCache::contains(x)) { | |
1325 return true; | |
1326 } | |
1327 if (Interpreter::contains(x)) { | |
1328 return true; | |
1329 } | |
1330 return false; | |
1331 } | |
1332 #endif | |
1333 | |
1334 #ifdef ASSERT | |
1335 void frame::interpreter_frame_verify_monitor(BasicObjectLock* value) const { | |
1336 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
1337 // verify that the value is in the right part of the frame | |
1338 address low_mark = (address) interpreter_frame_monitor_end(); | |
1339 address high_mark = (address) interpreter_frame_monitor_begin(); | |
1340 address current = (address) value; | |
1341 | |
1342 const int monitor_size = frame::interpreter_frame_monitor_size(); | |
1343 guarantee((high_mark - current) % monitor_size == 0 , "Misaligned top of BasicObjectLock*"); | |
1344 guarantee( high_mark > current , "Current BasicObjectLock* higher than high_mark"); | |
1345 | |
1346 guarantee((current - low_mark) % monitor_size == 0 , "Misaligned bottom of BasicObjectLock*"); | |
1347 guarantee( current >= low_mark , "Current BasicObjectLock* below than low_mark"); | |
1348 } | |
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1349 #endif |
3336
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1350 |
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1351 #ifndef PRODUCT |
3336
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1352 void frame::describe(FrameValues& values, int frame_no) { |
4818
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1353 // boundaries: sp and the 'real' frame pointer |
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1354 values.describe(-1, sp(), err_msg("sp for #%d", frame_no), 1); |
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1355 intptr_t* frame_pointer = real_fp(); // Note: may differ from fp() |
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1356 |
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1357 // print frame info at the highest boundary |
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1358 intptr_t* info_address = MAX2(sp(), frame_pointer); |
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|
1359 |
82e5a84b7436
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1360 if (info_address != frame_pointer) { |
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|
1361 // print frame_pointer explicitly if not marked by the frame info |
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1362 values.describe(-1, frame_pointer, err_msg("frame pointer for #%d", frame_no), 1); |
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1363 } |
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|
1364 |
3336
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|
1365 if (is_entry_frame() || is_compiled_frame() || is_interpreted_frame() || is_native_frame()) { |
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1366 // Label values common to most frames |
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1367 values.describe(-1, unextended_sp(), err_msg("unextended_sp for #%d", frame_no)); |
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|
1368 } |
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|
1369 |
3336
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1370 if (is_interpreted_frame()) { |
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1371 Method* m = interpreter_frame_method(); |
3336
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1372 int bci = interpreter_frame_bci(); |
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1373 |
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|
1374 // Label the method and current bci |
4818
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|
1375 values.describe(-1, info_address, |
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1376 FormatBuffer<1024>("#%d method %s @ %d", frame_no, m->name_and_sig_as_C_string(), bci), 2); |
4818
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1377 values.describe(-1, info_address, |
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1378 err_msg("- %d locals %d max stack", m->max_locals(), m->max_stack()), 1); |
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1379 if (m->max_locals() > 0) { |
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1380 intptr_t* l0 = interpreter_frame_local_at(0); |
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1381 intptr_t* ln = interpreter_frame_local_at(m->max_locals() - 1); |
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|
1382 values.describe(-1, MAX2(l0, ln), err_msg("locals for #%d", frame_no), 1); |
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1383 // Report each local and mark as owned by this frame |
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1384 for (int l = 0; l < m->max_locals(); l++) { |
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1385 intptr_t* l0 = interpreter_frame_local_at(l); |
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1386 values.describe(frame_no, l0, err_msg("local %d", l)); |
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|
1387 } |
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|
1388 } |
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|
1389 |
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|
1390 // Compute the actual expression stack size |
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|
1391 InterpreterOopMap mask; |
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1392 OopMapCache::compute_one_oop_map(m, bci, &mask); |
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1393 intptr_t* tos = NULL; |
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|
1394 // Report each stack element and mark as owned by this frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1395 for (int e = 0; e < mask.expression_stack_size(); e++) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1396 tos = MAX2(tos, interpreter_frame_expression_stack_at(e)); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1397 values.describe(frame_no, interpreter_frame_expression_stack_at(e), |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1398 err_msg("stack %d", e)); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1399 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1400 if (tos != NULL) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1401 values.describe(-1, tos, err_msg("expression stack for #%d", frame_no), 1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1402 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1403 if (interpreter_frame_monitor_begin() != interpreter_frame_monitor_end()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1404 values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_begin(), "monitors begin"); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1405 values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_end(), "monitors end"); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1406 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1407 } else if (is_entry_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1408 // For now just label the frame |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1409 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
|
1410 } else if (is_compiled_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1411 // For now just label the frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1412 nmethod* nm = cb()->as_nmethod_or_null(); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1413 values.describe(-1, info_address, |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1414 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
|
1415 nm, nm->method()->name_and_sig_as_C_string(), |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1416 (_deopt_state == is_deoptimized) ? |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1417 " (deoptimized)" : |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1418 ((_deopt_state == unknown) ? " (state unknown)" : "")), |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1419 2); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1420 } else if (is_native_frame()) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1421 // For now just label the frame |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1422 nmethod* nm = cb()->as_nmethod_or_null(); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1423 values.describe(-1, info_address, |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1424 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
|
1425 nm, nm->method()->name_and_sig_as_C_string()), 2); |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1426 } else { |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1427 // provide default info if not handled before |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1428 char *info = (char *) "special frame"; |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1429 if ((_cb != NULL) && |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1430 (_cb->name() != NULL)) { |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1431 info = (char *)_cb->name(); |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1432 } |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1433 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
|
1434 } |
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1435 |
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1436 // platform dependent additional data |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1437 describe_pd(values, frame_no); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1438 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1439 |
0 | 1440 #endif |
1441 | |
1442 | |
1443 //----------------------------------------------------------------------------------- | |
1444 // StackFrameStream implementation | |
1445 | |
1446 StackFrameStream::StackFrameStream(JavaThread *thread, bool update) : _reg_map(thread, update) { | |
1447 assert(thread->has_last_Java_frame(), "sanity check"); | |
1448 _fr = thread->last_frame(); | |
1449 _is_done = false; | |
1450 } | |
3336
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 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1453 #ifndef PRODUCT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1454 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1455 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
|
1456 FrameValue fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1457 fv.location = location; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1458 fv.owner = owner; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1459 fv.priority = priority; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1460 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
|
1461 strcpy(fv.description, description); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1462 _values.append(fv); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1463 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1464 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1465 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1466 #ifdef ASSERT |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1467 void FrameValues::validate() { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1468 _values.sort(compare); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1469 bool error = false; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1470 FrameValue prev; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1471 prev.owner = -1; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1472 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
|
1473 FrameValue fv = _values.at(i); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1474 if (fv.owner == -1) continue; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1475 if (prev.owner == -1) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1476 prev = fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1477 continue; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1478 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1479 if (prev.location == fv.location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1480 if (fv.owner != prev.owner) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1481 tty->print_cr("overlapping storage"); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1482 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
|
1483 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
|
1484 error = true; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1485 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1486 } else { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1487 prev = fv; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1488 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1489 } |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1490 assert(!error, "invalid layout"); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1491 } |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1492 #endif // ASSERT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1493 |
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1494 void FrameValues::print(JavaThread* thread) { |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1495 _values.sort(compare); |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1496 |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1497 // 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
|
1498 // 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
|
1499 // 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
|
1500 int min_index = 0; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1501 int max_index = _values.length() - 1; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1502 intptr_t* v0 = _values.at(min_index).location; |
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1503 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
|
1504 |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1505 if (thread == Thread::current()) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1506 while (!thread->is_in_stack((address)v0)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1507 v0 = _values.at(++min_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1508 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1509 while (!thread->is_in_stack((address)v1)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1510 v1 = _values.at(--max_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1511 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1512 } else { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1513 while (!thread->on_local_stack((address)v0)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1514 v0 = _values.at(++min_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1515 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1516 while (!thread->on_local_stack((address)v1)) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1517 v1 = _values.at(--max_index).location; |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1518 } |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1519 } |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
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2192
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1520 intptr_t* min = MIN2(v0, v1); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
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2192
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1521 intptr_t* max = MAX2(v0, v1); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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2192
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1522 intptr_t* cur = max; |
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never
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1523 intptr_t* last = NULL; |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
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1524 for (int i = max_index; i >= min_index; i--) { |
3336
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1525 FrameValue fv = _values.at(i); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1526 while (cur > fv.location) { |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
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1527 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT, cur, *cur); |
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1528 cur--; |
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1529 } |
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1530 if (last == fv.location) { |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1531 const char* spacer = " " LP64_ONLY(" "); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
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1532 tty->print_cr(" %s %s %s", spacer, spacer, fv.description); |
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1533 } else { |
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1534 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
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1535 last = fv.location; |
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1536 cur--; |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1537 } |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1538 } |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1539 } |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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|
1540 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
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changeset
|
1541 #endif // ndef PRODUCT |