Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/frame.cpp @ 18096:ca6d25be853b jdk8u25-b13
8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene
| author | jiangli |
|---|---|
| date | Tue, 12 Aug 2014 17:46:16 -0400 |
| parents | 78bbf4d43a14 |
| children | 52b4284cb496 4af19b914f53 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
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26 #include "compiler/abstractCompiler.hpp" |
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27 #include "compiler/disassembler.hpp" |
| 1972 | 28 #include "gc_interface/collectedHeap.inline.hpp" |
| 29 #include "interpreter/interpreter.hpp" | |
| 30 #include "interpreter/oopMapCache.hpp" | |
| 31 #include "memory/resourceArea.hpp" | |
| 32 #include "memory/universe.inline.hpp" | |
| 33 #include "oops/markOop.hpp" | |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
| 1972 | 36 #include "oops/oop.inline.hpp" |
| 37 #include "oops/oop.inline2.hpp" | |
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38 #include "prims/methodHandles.hpp" |
| 1972 | 39 #include "runtime/frame.inline.hpp" |
| 40 #include "runtime/handles.inline.hpp" | |
| 41 #include "runtime/javaCalls.hpp" | |
| 42 #include "runtime/monitorChunk.hpp" | |
| 43 #include "runtime/sharedRuntime.hpp" | |
| 44 #include "runtime/signature.hpp" | |
| 45 #include "runtime/stubCodeGenerator.hpp" | |
| 46 #include "runtime/stubRoutines.hpp" | |
|
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47 #include "utilities/decoder.hpp" |
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48 |
| 1972 | 49 #ifdef TARGET_ARCH_x86 |
| 50 # include "nativeInst_x86.hpp" | |
| 51 #endif | |
| 52 #ifdef TARGET_ARCH_sparc | |
| 53 # include "nativeInst_sparc.hpp" | |
| 54 #endif | |
| 55 #ifdef TARGET_ARCH_zero | |
| 56 # include "nativeInst_zero.hpp" | |
| 57 #endif | |
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58 #ifdef TARGET_ARCH_arm |
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59 # include "nativeInst_arm.hpp" |
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60 #endif |
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61 #ifdef TARGET_ARCH_ppc |
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62 # include "nativeInst_ppc.hpp" |
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63 #endif |
| 0 | 64 |
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65 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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66 |
| 0 | 67 RegisterMap::RegisterMap(JavaThread *thread, bool update_map) { |
| 68 _thread = thread; | |
| 69 _update_map = update_map; | |
| 70 clear(); | |
| 71 debug_only(_update_for_id = NULL;) | |
| 72 #ifndef PRODUCT | |
| 73 for (int i = 0; i < reg_count ; i++ ) _location[i] = NULL; | |
| 74 #endif /* PRODUCT */ | |
| 75 } | |
| 76 | |
| 77 RegisterMap::RegisterMap(const RegisterMap* map) { | |
| 78 assert(map != this, "bad initialization parameter"); | |
| 79 assert(map != NULL, "RegisterMap must be present"); | |
| 80 _thread = map->thread(); | |
| 81 _update_map = map->update_map(); | |
| 82 _include_argument_oops = map->include_argument_oops(); | |
| 83 debug_only(_update_for_id = map->_update_for_id;) | |
| 84 pd_initialize_from(map); | |
| 85 if (update_map()) { | |
| 86 for(int i = 0; i < location_valid_size; i++) { | |
| 87 LocationValidType bits = !update_map() ? 0 : map->_location_valid[i]; | |
| 88 _location_valid[i] = bits; | |
| 89 // for whichever bits are set, pull in the corresponding map->_location | |
| 90 int j = i*location_valid_type_size; | |
| 91 while (bits != 0) { | |
| 92 if ((bits & 1) != 0) { | |
| 93 assert(0 <= j && j < reg_count, "range check"); | |
| 94 _location[j] = map->_location[j]; | |
| 95 } | |
| 96 bits >>= 1; | |
| 97 j += 1; | |
| 98 } | |
| 99 } | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 void RegisterMap::clear() { | |
| 104 set_include_argument_oops(true); | |
| 105 if (_update_map) { | |
| 106 for(int i = 0; i < location_valid_size; i++) { | |
| 107 _location_valid[i] = 0; | |
| 108 } | |
| 109 pd_clear(); | |
| 110 } else { | |
| 111 pd_initialize(); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 #ifndef PRODUCT | |
| 116 | |
| 117 void RegisterMap::print_on(outputStream* st) const { | |
| 118 st->print_cr("Register map"); | |
| 119 for(int i = 0; i < reg_count; i++) { | |
| 120 | |
| 121 VMReg r = VMRegImpl::as_VMReg(i); | |
| 122 intptr_t* src = (intptr_t*) location(r); | |
| 123 if (src != NULL) { | |
| 124 | |
| 417 | 125 r->print_on(st); |
| 126 st->print(" [" INTPTR_FORMAT "] = ", src); | |
| 0 | 127 if (((uintptr_t)src & (sizeof(*src)-1)) != 0) { |
| 417 | 128 st->print_cr("<misaligned>"); |
| 0 | 129 } else { |
| 417 | 130 st->print_cr(INTPTR_FORMAT, *src); |
| 0 | 131 } |
| 132 } | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 void RegisterMap::print() const { | |
| 137 print_on(tty); | |
| 138 } | |
| 139 | |
| 140 #endif | |
| 141 // This returns the pc that if you were in the debugger you'd see. Not | |
| 142 // the idealized value in the frame object. This undoes the magic conversion | |
| 143 // that happens for deoptimized frames. In addition it makes the value the | |
| 144 // hardware would want to see in the native frame. The only user (at this point) | |
| 145 // is deoptimization. It likely no one else should ever use it. | |
| 146 | |
| 147 address frame::raw_pc() const { | |
| 148 if (is_deoptimized_frame()) { | |
| 1204 | 149 nmethod* nm = cb()->as_nmethod_or_null(); |
| 150 if (nm->is_method_handle_return(pc())) | |
| 151 return nm->deopt_mh_handler_begin() - pc_return_offset; | |
| 152 else | |
| 153 return nm->deopt_handler_begin() - pc_return_offset; | |
| 0 | 154 } else { |
| 155 return (pc() - pc_return_offset); | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 // Change the pc in a frame object. This does not change the actual pc in | |
| 160 // actual frame. To do that use patch_pc. | |
| 161 // | |
| 162 void frame::set_pc(address newpc ) { | |
| 163 #ifdef ASSERT | |
| 164 if (_cb != NULL && _cb->is_nmethod()) { | |
| 165 assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant violation"); | |
| 166 } | |
| 167 #endif // ASSERT | |
| 168 | |
| 169 // Unsafe to use the is_deoptimzed tester after changing pc | |
| 170 _deopt_state = unknown; | |
| 171 _pc = newpc; | |
| 172 _cb = CodeCache::find_blob_unsafe(_pc); | |
| 173 | |
| 174 } | |
| 175 | |
| 176 // type testers | |
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177 bool frame::is_ignored_frame() const { |
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178 return false; // FIXME: some LambdaForm frames should be ignored |
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179 } |
| 0 | 180 bool frame::is_deoptimized_frame() const { |
| 181 assert(_deopt_state != unknown, "not answerable"); | |
| 182 return _deopt_state == is_deoptimized; | |
| 183 } | |
| 184 | |
| 185 bool frame::is_native_frame() const { | |
| 186 return (_cb != NULL && | |
| 187 _cb->is_nmethod() && | |
| 188 ((nmethod*)_cb)->is_native_method()); | |
| 189 } | |
| 190 | |
| 191 bool frame::is_java_frame() const { | |
| 192 if (is_interpreted_frame()) return true; | |
| 193 if (is_compiled_frame()) return true; | |
| 194 return false; | |
| 195 } | |
| 196 | |
| 197 | |
| 198 bool frame::is_compiled_frame() const { | |
| 199 if (_cb != NULL && | |
| 200 _cb->is_nmethod() && | |
| 201 ((nmethod*)_cb)->is_java_method()) { | |
| 202 return true; | |
| 203 } | |
| 204 return false; | |
| 205 } | |
| 206 | |
| 207 | |
| 208 bool frame::is_runtime_frame() const { | |
| 209 return (_cb != NULL && _cb->is_runtime_stub()); | |
| 210 } | |
| 211 | |
| 212 bool frame::is_safepoint_blob_frame() const { | |
| 213 return (_cb != NULL && _cb->is_safepoint_stub()); | |
| 214 } | |
| 215 | |
| 216 // testers | |
| 217 | |
| 218 bool frame::is_first_java_frame() const { | |
| 219 RegisterMap map(JavaThread::current(), false); // No update | |
| 220 frame s; | |
| 221 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)); | |
| 222 return s.is_first_frame(); | |
| 223 } | |
| 224 | |
| 225 | |
| 226 bool frame::entry_frame_is_first() const { | |
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227 return entry_frame_call_wrapper()->is_first_frame(); |
| 0 | 228 } |
| 229 | |
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230 JavaCallWrapper* frame::entry_frame_call_wrapper_if_safe(JavaThread* thread) const { |
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231 JavaCallWrapper** jcw = entry_frame_call_wrapper_addr(); |
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232 address addr = (address) jcw; |
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233 |
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234 // addr must be within the usable part of the stack |
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235 if (thread->is_in_usable_stack(addr)) { |
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236 return *jcw; |
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237 } |
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238 |
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239 return NULL; |
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240 } |
| 0 | 241 |
| 242 bool frame::should_be_deoptimized() const { | |
| 243 if (_deopt_state == is_deoptimized || | |
| 244 !is_compiled_frame() ) return false; | |
| 245 assert(_cb != NULL && _cb->is_nmethod(), "must be an nmethod"); | |
| 246 nmethod* nm = (nmethod *)_cb; | |
| 247 if (TraceDependencies) { | |
| 248 tty->print("checking (%s) ", nm->is_marked_for_deoptimization() ? "true" : "false"); | |
| 249 nm->print_value_on(tty); | |
| 250 tty->cr(); | |
| 251 } | |
| 252 | |
| 253 if( !nm->is_marked_for_deoptimization() ) | |
| 254 return false; | |
| 255 | |
| 256 // If at the return point, then the frame has already been popped, and | |
| 257 // only the return needs to be executed. Don't deoptimize here. | |
| 258 return !nm->is_at_poll_return(pc()); | |
| 259 } | |
| 260 | |
| 261 bool frame::can_be_deoptimized() const { | |
| 262 if (!is_compiled_frame()) return false; | |
| 263 nmethod* nm = (nmethod*)_cb; | |
| 264 | |
| 265 if( !nm->can_be_deoptimized() ) | |
| 266 return false; | |
| 267 | |
| 268 return !nm->is_at_poll_return(pc()); | |
| 269 } | |
| 270 | |
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271 void frame::deoptimize(JavaThread* thread) { |
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272 // Schedule deoptimization of an nmethod activation with this frame. |
| 0 | 273 assert(_cb != NULL && _cb->is_nmethod(), "must be"); |
| 274 nmethod* nm = (nmethod*)_cb; | |
| 275 | |
| 276 // This is a fix for register window patching race | |
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277 if (NeedsDeoptSuspend && Thread::current() != thread) { |
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278 assert(SafepointSynchronize::is_at_safepoint(), |
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279 "patching other threads for deopt may only occur at a safepoint"); |
| 0 | 280 |
| 281 // It is possible especially with DeoptimizeALot/DeoptimizeRandom that | |
| 282 // we could see the frame again and ask for it to be deoptimized since | |
| 283 // it might move for a long time. That is harmless and we just ignore it. | |
| 284 if (id() == thread->must_deopt_id()) { | |
| 285 assert(thread->is_deopt_suspend(), "lost suspension"); | |
| 286 return; | |
| 287 } | |
| 288 | |
| 289 // We are at a safepoint so the target thread can only be | |
| 290 // in 4 states: | |
| 291 // blocked - no problem | |
| 292 // blocked_trans - no problem (i.e. could have woken up from blocked | |
| 293 // during a safepoint). | |
| 294 // native - register window pc patching race | |
| 295 // native_trans - momentary state | |
| 296 // | |
| 297 // We could just wait out a thread in native_trans to block. | |
| 298 // Then we'd have all the issues that the safepoint code has as to | |
| 299 // whether to spin or block. It isn't worth it. Just treat it like | |
| 300 // native and be done with it. | |
| 301 // | |
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302 // Examine the state of the thread at the start of safepoint since |
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303 // threads that were in native at the start of the safepoint could |
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304 // come to a halt during the safepoint, changing the current value |
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305 // of the safepoint_state. |
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306 JavaThreadState state = thread->safepoint_state()->orig_thread_state(); |
| 0 | 307 if (state == _thread_in_native || state == _thread_in_native_trans) { |
| 308 // Since we are at a safepoint the target thread will stop itself | |
| 309 // before it can return to java as long as we remain at the safepoint. | |
| 310 // Therefore we can put an additional request for the thread to stop | |
| 311 // no matter what no (like a suspend). This will cause the thread | |
| 312 // to notice it needs to do the deopt on its own once it leaves native. | |
| 313 // | |
| 314 // The only reason we must do this is because on machine with register | |
| 315 // windows we have a race with patching the return address and the | |
| 316 // window coming live as the thread returns to the Java code (but still | |
| 317 // in native mode) and then blocks. It is only this top most frame | |
| 318 // that is at risk. So in truth we could add an additional check to | |
| 319 // see if this frame is one that is at risk. | |
| 320 RegisterMap map(thread, false); | |
| 321 frame at_risk = thread->last_frame().sender(&map); | |
| 322 if (id() == at_risk.id()) { | |
| 323 thread->set_must_deopt_id(id()); | |
| 324 thread->set_deopt_suspend(); | |
| 325 return; | |
| 326 } | |
| 327 } | |
| 328 } // NeedsDeoptSuspend | |
| 329 | |
| 330 | |
| 1204 | 331 // If the call site is a MethodHandle call site use the MH deopt |
| 332 // handler. | |
| 333 address deopt = nm->is_method_handle_return(pc()) ? | |
| 334 nm->deopt_mh_handler_begin() : | |
| 335 nm->deopt_handler_begin(); | |
| 336 | |
| 0 | 337 // Save the original pc before we patch in the new one |
| 338 nm->set_original_pc(this, pc()); | |
| 339 patch_pc(thread, deopt); | |
| 1204 | 340 |
| 0 | 341 #ifdef ASSERT |
| 342 { | |
| 343 RegisterMap map(thread, false); | |
| 344 frame check = thread->last_frame(); | |
| 345 while (id() != check.id()) { | |
| 346 check = check.sender(&map); | |
| 347 } | |
| 348 assert(check.is_deoptimized_frame(), "missed deopt"); | |
| 349 } | |
| 350 #endif // ASSERT | |
| 351 } | |
| 352 | |
| 353 frame frame::java_sender() const { | |
| 354 RegisterMap map(JavaThread::current(), false); | |
| 355 frame s; | |
| 356 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)) ; | |
| 357 guarantee(s.is_java_frame(), "tried to get caller of first java frame"); | |
| 358 return s; | |
| 359 } | |
| 360 | |
| 361 frame frame::real_sender(RegisterMap* map) const { | |
| 362 frame result = sender(map); | |
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363 while (result.is_runtime_frame() || |
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364 result.is_ignored_frame()) { |
| 0 | 365 result = result.sender(map); |
| 366 } | |
| 367 return result; | |
| 368 } | |
| 369 | |
| 370 // Note: called by profiler - NOT for current thread | |
| 371 frame frame::profile_find_Java_sender_frame(JavaThread *thread) { | |
| 372 // If we don't recognize this frame, walk back up the stack until we do | |
| 373 RegisterMap map(thread, false); | |
| 374 frame first_java_frame = frame(); | |
| 375 | |
| 376 // Find the first Java frame on the stack starting with input frame | |
| 377 if (is_java_frame()) { | |
| 378 // top frame is compiled frame or deoptimized frame | |
| 379 first_java_frame = *this; | |
| 380 } else if (safe_for_sender(thread)) { | |
| 381 for (frame sender_frame = sender(&map); | |
| 382 sender_frame.safe_for_sender(thread) && !sender_frame.is_first_frame(); | |
| 383 sender_frame = sender_frame.sender(&map)) { | |
| 384 if (sender_frame.is_java_frame()) { | |
| 385 first_java_frame = sender_frame; | |
| 386 break; | |
| 387 } | |
| 388 } | |
| 389 } | |
| 390 return first_java_frame; | |
| 391 } | |
| 392 | |
| 393 // Interpreter frames | |
| 394 | |
| 395 | |
| 396 void frame::interpreter_frame_set_locals(intptr_t* locs) { | |
| 397 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 398 *interpreter_frame_locals_addr() = locs; | |
| 399 } | |
| 400 | |
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401 Method* frame::interpreter_frame_method() const { |
| 0 | 402 assert(is_interpreted_frame(), "interpreted frame expected"); |
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403 Method* m = *interpreter_frame_method_addr(); |
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404 assert(m->is_method(), "not a Method*"); |
| 0 | 405 return m; |
| 406 } | |
| 407 | |
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408 void frame::interpreter_frame_set_method(Method* method) { |
| 0 | 409 assert(is_interpreted_frame(), "interpreted frame expected"); |
| 410 *interpreter_frame_method_addr() = method; | |
| 411 } | |
| 412 | |
| 413 void frame::interpreter_frame_set_bcx(intptr_t bcx) { | |
| 414 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 415 if (ProfileInterpreter) { | |
| 416 bool formerly_bci = is_bci(interpreter_frame_bcx()); | |
| 417 bool is_now_bci = is_bci(bcx); | |
| 418 *interpreter_frame_bcx_addr() = bcx; | |
| 419 | |
| 420 intptr_t mdx = interpreter_frame_mdx(); | |
| 421 | |
| 422 if (mdx != 0) { | |
| 423 if (formerly_bci) { | |
| 424 if (!is_now_bci) { | |
| 425 // The bcx was just converted from bci to bcp. | |
| 426 // Convert the mdx in parallel. | |
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427 MethodData* mdo = interpreter_frame_method()->method_data(); |
| 0 | 428 assert(mdo != NULL, ""); |
| 429 int mdi = mdx - 1; // We distinguish valid mdi from zero by adding one. | |
| 430 address mdp = mdo->di_to_dp(mdi); | |
| 431 interpreter_frame_set_mdx((intptr_t)mdp); | |
| 432 } | |
| 433 } else { | |
| 434 if (is_now_bci) { | |
| 435 // The bcx was just converted from bcp to bci. | |
| 436 // Convert the mdx in parallel. | |
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437 MethodData* mdo = interpreter_frame_method()->method_data(); |
| 0 | 438 assert(mdo != NULL, ""); |
| 439 int mdi = mdo->dp_to_di((address)mdx); | |
| 440 interpreter_frame_set_mdx((intptr_t)mdi + 1); // distinguish valid from 0. | |
| 441 } | |
| 442 } | |
| 443 } | |
| 444 } else { | |
| 445 *interpreter_frame_bcx_addr() = bcx; | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 jint frame::interpreter_frame_bci() const { | |
| 450 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 451 intptr_t bcx = interpreter_frame_bcx(); | |
| 452 return is_bci(bcx) ? bcx : interpreter_frame_method()->bci_from((address)bcx); | |
| 453 } | |
| 454 | |
| 455 void frame::interpreter_frame_set_bci(jint bci) { | |
| 456 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 457 assert(!is_bci(interpreter_frame_bcx()), "should not set bci during GC"); | |
| 458 interpreter_frame_set_bcx((intptr_t)interpreter_frame_method()->bcp_from(bci)); | |
| 459 } | |
| 460 | |
| 461 address frame::interpreter_frame_bcp() const { | |
| 462 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 463 intptr_t bcx = interpreter_frame_bcx(); | |
| 464 return is_bci(bcx) ? interpreter_frame_method()->bcp_from(bcx) : (address)bcx; | |
| 465 } | |
| 466 | |
| 467 void frame::interpreter_frame_set_bcp(address bcp) { | |
| 468 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 469 assert(!is_bci(interpreter_frame_bcx()), "should not set bcp during GC"); | |
| 470 interpreter_frame_set_bcx((intptr_t)bcp); | |
| 471 } | |
| 472 | |
| 473 void frame::interpreter_frame_set_mdx(intptr_t mdx) { | |
| 474 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 475 assert(ProfileInterpreter, "must be profiling interpreter"); | |
| 476 *interpreter_frame_mdx_addr() = mdx; | |
| 477 } | |
| 478 | |
| 479 address frame::interpreter_frame_mdp() const { | |
| 480 assert(ProfileInterpreter, "must be profiling interpreter"); | |
| 481 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 482 intptr_t bcx = interpreter_frame_bcx(); | |
| 483 intptr_t mdx = interpreter_frame_mdx(); | |
| 484 | |
| 485 assert(!is_bci(bcx), "should not access mdp during GC"); | |
| 486 return (address)mdx; | |
| 487 } | |
| 488 | |
| 489 void frame::interpreter_frame_set_mdp(address mdp) { | |
| 490 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 491 if (mdp == NULL) { | |
| 492 // Always allow the mdp to be cleared. | |
| 493 interpreter_frame_set_mdx((intptr_t)mdp); | |
| 494 } | |
| 495 intptr_t bcx = interpreter_frame_bcx(); | |
| 496 assert(!is_bci(bcx), "should not set mdp during GC"); | |
| 497 interpreter_frame_set_mdx((intptr_t)mdp); | |
| 498 } | |
| 499 | |
| 500 BasicObjectLock* frame::next_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
| 501 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 502 #ifdef ASSERT | |
| 503 interpreter_frame_verify_monitor(current); | |
| 504 #endif | |
| 505 BasicObjectLock* next = (BasicObjectLock*) (((intptr_t*) current) + interpreter_frame_monitor_size()); | |
| 506 return next; | |
| 507 } | |
| 508 | |
| 509 BasicObjectLock* frame::previous_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
| 510 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 511 #ifdef ASSERT | |
| 512 // // This verification needs to be checked before being enabled | |
| 513 // interpreter_frame_verify_monitor(current); | |
| 514 #endif | |
| 515 BasicObjectLock* previous = (BasicObjectLock*) (((intptr_t*) current) - interpreter_frame_monitor_size()); | |
| 516 return previous; | |
| 517 } | |
| 518 | |
| 519 // Interpreter locals and expression stack locations. | |
| 520 | |
| 521 intptr_t* frame::interpreter_frame_local_at(int index) const { | |
| 522 const int n = Interpreter::local_offset_in_bytes(index)/wordSize; | |
| 523 return &((*interpreter_frame_locals_addr())[n]); | |
| 524 } | |
| 525 | |
| 526 intptr_t* frame::interpreter_frame_expression_stack_at(jint offset) const { | |
| 527 const int i = offset * interpreter_frame_expression_stack_direction(); | |
| 1506 | 528 const int n = i * Interpreter::stackElementWords; |
| 0 | 529 return &(interpreter_frame_expression_stack()[n]); |
| 530 } | |
| 531 | |
| 532 jint frame::interpreter_frame_expression_stack_size() const { | |
| 533 // Number of elements on the interpreter expression stack | |
| 534 // Callers should span by stackElementWords | |
| 1506 | 535 int element_size = Interpreter::stackElementWords; |
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536 size_t stack_size = 0; |
| 0 | 537 if (frame::interpreter_frame_expression_stack_direction() < 0) { |
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538 stack_size = (interpreter_frame_expression_stack() - |
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539 interpreter_frame_tos_address() + 1)/element_size; |
| 0 | 540 } else { |
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541 stack_size = (interpreter_frame_tos_address() - |
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542 interpreter_frame_expression_stack() + 1)/element_size; |
| 0 | 543 } |
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544 assert( stack_size <= (size_t)max_jint, "stack size too big"); |
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545 return ((jint)stack_size); |
| 0 | 546 } |
| 547 | |
| 548 | |
| 549 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) | |
| 550 | |
| 551 const char* frame::print_name() const { | |
| 552 if (is_native_frame()) return "Native"; | |
| 553 if (is_interpreted_frame()) return "Interpreted"; | |
| 554 if (is_compiled_frame()) { | |
| 555 if (is_deoptimized_frame()) return "Deoptimized"; | |
| 556 return "Compiled"; | |
| 557 } | |
| 558 if (sp() == NULL) return "Empty"; | |
| 559 return "C"; | |
| 560 } | |
| 561 | |
| 562 void frame::print_value_on(outputStream* st, JavaThread *thread) const { | |
| 563 NOT_PRODUCT(address begin = pc()-40;) | |
| 564 NOT_PRODUCT(address end = NULL;) | |
| 565 | |
| 566 st->print("%s frame (sp=" INTPTR_FORMAT " unextended sp=" INTPTR_FORMAT, print_name(), sp(), unextended_sp()); | |
| 567 if (sp() != NULL) | |
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568 st->print(", fp=" INTPTR_FORMAT ", real_fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT, fp(), real_fp(), pc()); |
| 0 | 569 |
| 570 if (StubRoutines::contains(pc())) { | |
| 571 st->print_cr(")"); | |
| 572 st->print("("); | |
| 573 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
| 574 st->print("~Stub::%s", desc->name()); | |
| 575 NOT_PRODUCT(begin = desc->begin(); end = desc->end();) | |
| 576 } else if (Interpreter::contains(pc())) { | |
| 577 st->print_cr(")"); | |
| 578 st->print("("); | |
| 579 InterpreterCodelet* desc = Interpreter::codelet_containing(pc()); | |
| 580 if (desc != NULL) { | |
| 581 st->print("~"); | |
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582 desc->print_on(st); |
| 0 | 583 NOT_PRODUCT(begin = desc->code_begin(); end = desc->code_end();) |
| 584 } else { | |
| 585 st->print("~interpreter"); | |
| 586 } | |
| 587 } | |
| 588 st->print_cr(")"); | |
| 589 | |
| 590 if (_cb != NULL) { | |
| 591 st->print(" "); | |
| 592 _cb->print_value_on(st); | |
| 593 st->cr(); | |
| 594 #ifndef PRODUCT | |
| 595 if (end == NULL) { | |
| 1748 | 596 begin = _cb->code_begin(); |
| 597 end = _cb->code_end(); | |
| 0 | 598 } |
| 599 #endif | |
| 600 } | |
| 601 NOT_PRODUCT(if (WizardMode && Verbose) Disassembler::decode(begin, end);) | |
| 602 } | |
| 603 | |
| 604 | |
| 605 void frame::print_on(outputStream* st) const { | |
| 606 print_value_on(st,NULL); | |
| 607 if (is_interpreted_frame()) { | |
| 608 interpreter_frame_print_on(st); | |
| 609 } | |
| 610 } | |
| 611 | |
| 612 | |
| 613 void frame::interpreter_frame_print_on(outputStream* st) const { | |
| 614 #ifndef PRODUCT | |
| 615 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 616 jint i; | |
| 617 for (i = 0; i < interpreter_frame_method()->max_locals(); i++ ) { | |
| 618 intptr_t x = *interpreter_frame_local_at(i); | |
| 619 st->print(" - local [" INTPTR_FORMAT "]", x); | |
| 620 st->fill_to(23); | |
| 621 st->print_cr("; #%d", i); | |
| 622 } | |
| 623 for (i = interpreter_frame_expression_stack_size() - 1; i >= 0; --i ) { | |
| 624 intptr_t x = *interpreter_frame_expression_stack_at(i); | |
| 625 st->print(" - stack [" INTPTR_FORMAT "]", x); | |
| 626 st->fill_to(23); | |
| 627 st->print_cr("; #%d", i); | |
| 628 } | |
| 629 // locks for synchronization | |
| 630 for (BasicObjectLock* current = interpreter_frame_monitor_end(); | |
| 631 current < interpreter_frame_monitor_begin(); | |
| 632 current = next_monitor_in_interpreter_frame(current)) { | |
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633 st->print(" - obj ["); |
| 0 | 634 current->obj()->print_value_on(st); |
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635 st->print_cr("]"); |
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636 st->print(" - lock ["); |
| 0 | 637 current->lock()->print_on(st); |
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638 st->print_cr("]"); |
| 0 | 639 } |
| 640 // monitor | |
| 641 st->print_cr(" - monitor[" INTPTR_FORMAT "]", interpreter_frame_monitor_begin()); | |
| 642 // bcp | |
| 643 st->print(" - bcp [" INTPTR_FORMAT "]", interpreter_frame_bcp()); | |
| 644 st->fill_to(23); | |
| 645 st->print_cr("; @%d", interpreter_frame_bci()); | |
| 646 // locals | |
| 647 st->print_cr(" - locals [" INTPTR_FORMAT "]", interpreter_frame_local_at(0)); | |
| 648 // method | |
| 649 st->print(" - method [" INTPTR_FORMAT "]", (address)interpreter_frame_method()); | |
| 650 st->fill_to(23); | |
| 651 st->print("; "); | |
| 652 interpreter_frame_method()->print_name(st); | |
| 653 st->cr(); | |
| 654 #endif | |
| 655 } | |
| 656 | |
| 657 // Return whether the frame is in the VM or os indicating a Hotspot problem. | |
| 658 // Otherwise, it's likely a bug in the native library that the Java code calls, | |
| 659 // hopefully indicating where to submit bugs. | |
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660 void frame::print_C_frame(outputStream* st, char* buf, int buflen, address pc) { |
| 0 | 661 // C/C++ frame |
| 662 bool in_vm = os::address_is_in_vm(pc); | |
| 663 st->print(in_vm ? "V" : "C"); | |
| 664 | |
| 665 int offset; | |
| 666 bool found; | |
| 667 | |
| 668 // libname | |
| 669 found = os::dll_address_to_library_name(pc, buf, buflen, &offset); | |
| 670 if (found) { | |
| 671 // skip directory names | |
| 672 const char *p1, *p2; | |
| 673 p1 = buf; | |
| 674 int len = (int)strlen(os::file_separator()); | |
| 675 while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; | |
| 676 st->print(" [%s+0x%x]", p1, offset); | |
| 677 } else { | |
| 678 st->print(" " PTR_FORMAT, pc); | |
| 679 } | |
| 680 | |
| 681 // function name - os::dll_address_to_function_name() may return confusing | |
| 682 // names if pc is within jvm.dll or libjvm.so, because JVM only has | |
| 683 // JVM_xxxx and a few other symbols in the dynamic symbol table. Do this | |
| 684 // only for native libraries. | |
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685 if (!in_vm || Decoder::can_decode_C_frame_in_vm()) { |
| 0 | 686 found = os::dll_address_to_function_name(pc, buf, buflen, &offset); |
| 687 | |
| 688 if (found) { | |
| 689 st->print(" %s+0x%x", buf, offset); | |
| 690 } | |
| 691 } | |
| 692 } | |
| 693 | |
| 694 // frame::print_on_error() is called by fatal error handler. Notice that we may | |
| 695 // crash inside this function if stack frame is corrupted. The fatal error | |
| 696 // handler can catch and handle the crash. Here we assume the frame is valid. | |
| 697 // | |
| 698 // First letter indicates type of the frame: | |
| 699 // J: Java frame (compiled) | |
| 700 // j: Java frame (interpreted) | |
| 701 // V: VM frame (C/C++) | |
| 702 // v: Other frames running VM generated code (e.g. stubs, adapters, etc.) | |
| 703 // C: C/C++ frame | |
| 704 // | |
| 705 // We don't need detailed frame type as that in frame::print_name(). "C" | |
| 706 // suggests the problem is in user lib; everything else is likely a VM bug. | |
| 707 | |
| 708 void frame::print_on_error(outputStream* st, char* buf, int buflen, bool verbose) const { | |
| 709 if (_cb != NULL) { | |
| 710 if (Interpreter::contains(pc())) { | |
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711 Method* m = this->interpreter_frame_method(); |
| 0 | 712 if (m != NULL) { |
| 713 m->name_and_sig_as_C_string(buf, buflen); | |
| 714 st->print("j %s", buf); | |
| 715 st->print("+%d", this->interpreter_frame_bci()); | |
| 716 } else { | |
| 717 st->print("j " PTR_FORMAT, pc()); | |
| 718 } | |
| 719 } else if (StubRoutines::contains(pc())) { | |
| 720 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
| 721 if (desc != NULL) { | |
| 722 st->print("v ~StubRoutines::%s", desc->name()); | |
| 723 } else { | |
| 724 st->print("v ~StubRoutines::" PTR_FORMAT, pc()); | |
| 725 } | |
| 726 } else if (_cb->is_buffer_blob()) { | |
| 727 st->print("v ~BufferBlob::%s", ((BufferBlob *)_cb)->name()); | |
| 728 } else if (_cb->is_nmethod()) { | |
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729 nmethod* nm = (nmethod*)_cb; |
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730 Method* m = nm->method(); |
| 0 | 731 if (m != NULL) { |
| 732 m->name_and_sig_as_C_string(buf, buflen); | |
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733 st->print("J %d%s %s %s (%d bytes) @ " PTR_FORMAT " [" PTR_FORMAT "+0x%x]", |
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734 nm->compile_id(), (nm->is_osr_method() ? "%" : ""), |
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735 ((nm->compiler() != NULL) ? nm->compiler()->name() : ""), |
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736 buf, m->code_size(), _pc, _cb->code_begin(), _pc - _cb->code_begin()); |
| 0 | 737 } else { |
| 738 st->print("J " PTR_FORMAT, pc()); | |
| 739 } | |
| 740 } else if (_cb->is_runtime_stub()) { | |
| 741 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); | |
| 742 } else if (_cb->is_deoptimization_stub()) { | |
| 743 st->print("v ~DeoptimizationBlob"); | |
| 744 } else if (_cb->is_exception_stub()) { | |
| 745 st->print("v ~ExceptionBlob"); | |
| 746 } else if (_cb->is_safepoint_stub()) { | |
| 747 st->print("v ~SafepointBlob"); | |
| 748 } else { | |
| 749 st->print("v blob " PTR_FORMAT, pc()); | |
| 750 } | |
| 751 } else { | |
| 752 print_C_frame(st, buf, buflen, pc()); | |
| 753 } | |
| 754 } | |
| 755 | |
| 756 | |
| 757 /* | |
| 758 The interpreter_frame_expression_stack_at method in the case of SPARC needs the | |
| 759 max_stack value of the method in order to compute the expression stack address. | |
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760 It uses the Method* in order to get the max_stack value but during GC this |
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761 Method* value saved on the frame is changed by reverse_and_push and hence cannot |
| 0 | 762 be used. So we save the max_stack value in the FrameClosure object and pass it |
| 763 down to the interpreter_frame_expression_stack_at method | |
| 764 */ | |
| 765 class InterpreterFrameClosure : public OffsetClosure { | |
| 766 private: | |
| 767 frame* _fr; | |
| 768 OopClosure* _f; | |
| 769 int _max_locals; | |
| 770 int _max_stack; | |
| 771 | |
| 772 public: | |
| 773 InterpreterFrameClosure(frame* fr, int max_locals, int max_stack, | |
| 774 OopClosure* f) { | |
| 775 _fr = fr; | |
| 776 _max_locals = max_locals; | |
| 777 _max_stack = max_stack; | |
| 778 _f = f; | |
| 779 } | |
| 780 | |
| 781 void offset_do(int offset) { | |
| 782 oop* addr; | |
| 783 if (offset < _max_locals) { | |
| 784 addr = (oop*) _fr->interpreter_frame_local_at(offset); | |
| 785 assert((intptr_t*)addr >= _fr->sp(), "must be inside the frame"); | |
| 786 _f->do_oop(addr); | |
| 787 } else { | |
| 788 addr = (oop*) _fr->interpreter_frame_expression_stack_at((offset - _max_locals)); | |
| 789 // In case of exceptions, the expression stack is invalid and the esp will be reset to express | |
| 790 // this condition. Therefore, we call f only if addr is 'inside' the stack (i.e., addr >= esp for Intel). | |
| 791 bool in_stack; | |
| 792 if (frame::interpreter_frame_expression_stack_direction() > 0) { | |
| 793 in_stack = (intptr_t*)addr <= _fr->interpreter_frame_tos_address(); | |
| 794 } else { | |
| 795 in_stack = (intptr_t*)addr >= _fr->interpreter_frame_tos_address(); | |
| 796 } | |
| 797 if (in_stack) { | |
| 798 _f->do_oop(addr); | |
| 799 } | |
| 800 } | |
| 801 } | |
| 802 | |
| 803 int max_locals() { return _max_locals; } | |
| 804 frame* fr() { return _fr; } | |
| 805 }; | |
| 806 | |
| 807 | |
| 808 class InterpretedArgumentOopFinder: public SignatureInfo { | |
| 809 private: | |
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810 OopClosure* _f; // Closure to invoke |
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811 int _offset; // TOS-relative offset, decremented with each argument |
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812 bool _has_receiver; // true if the callee has a receiver |
| 0 | 813 frame* _fr; |
| 814 | |
| 815 void set(int size, BasicType type) { | |
| 816 _offset -= size; | |
| 817 if (type == T_OBJECT || type == T_ARRAY) oop_offset_do(); | |
| 818 } | |
| 819 | |
| 820 void oop_offset_do() { | |
| 821 oop* addr; | |
| 822 addr = (oop*)_fr->interpreter_frame_tos_at(_offset); | |
| 823 _f->do_oop(addr); | |
| 824 } | |
| 825 | |
| 826 public: | |
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827 InterpretedArgumentOopFinder(Symbol* signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) { |
| 0 | 828 // compute size of arguments |
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829 int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
| 0 | 830 assert(!fr->is_interpreted_frame() || |
| 831 args_size <= fr->interpreter_frame_expression_stack_size(), | |
| 832 "args cannot be on stack anymore"); | |
| 833 // initialize InterpretedArgumentOopFinder | |
| 834 _f = f; | |
| 835 _fr = fr; | |
| 836 _offset = args_size; | |
| 837 } | |
| 838 | |
| 839 void oops_do() { | |
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840 if (_has_receiver) { |
| 0 | 841 --_offset; |
| 842 oop_offset_do(); | |
| 843 } | |
| 844 iterate_parameters(); | |
| 845 } | |
| 846 }; | |
| 847 | |
| 848 | |
| 849 // Entry frame has following form (n arguments) | |
| 850 // +-----------+ | |
| 851 // sp -> | last arg | | |
| 852 // +-----------+ | |
| 853 // : ::: : | |
| 854 // +-----------+ | |
| 855 // (sp+n)->| first arg| | |
| 856 // +-----------+ | |
| 857 | |
| 858 | |
| 859 | |
| 860 // visits and GC's all the arguments in entry frame | |
| 861 class EntryFrameOopFinder: public SignatureInfo { | |
| 862 private: | |
| 863 bool _is_static; | |
| 864 int _offset; | |
| 865 frame* _fr; | |
| 866 OopClosure* _f; | |
| 867 | |
| 868 void set(int size, BasicType type) { | |
| 869 assert (_offset >= 0, "illegal offset"); | |
| 870 if (type == T_OBJECT || type == T_ARRAY) oop_at_offset_do(_offset); | |
| 871 _offset -= size; | |
| 872 } | |
| 873 | |
| 874 void oop_at_offset_do(int offset) { | |
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875 assert (offset >= 0, "illegal offset"); |
| 0 | 876 oop* addr = (oop*) _fr->entry_frame_argument_at(offset); |
| 877 _f->do_oop(addr); | |
| 878 } | |
| 879 | |
| 880 public: | |
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881 EntryFrameOopFinder(frame* frame, Symbol* signature, bool is_static) : SignatureInfo(signature) { |
| 0 | 882 _f = NULL; // will be set later |
| 883 _fr = frame; | |
| 884 _is_static = is_static; | |
| 885 _offset = ArgumentSizeComputer(signature).size() - 1; // last parameter is at index 0 | |
| 886 } | |
| 887 | |
| 888 void arguments_do(OopClosure* f) { | |
| 889 _f = f; | |
| 890 if (!_is_static) oop_at_offset_do(_offset+1); // do the receiver | |
| 891 iterate_parameters(); | |
| 892 } | |
| 893 | |
| 894 }; | |
| 895 | |
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896 oop* frame::interpreter_callee_receiver_addr(Symbol* signature) { |
| 0 | 897 ArgumentSizeComputer asc(signature); |
| 898 int size = asc.size(); | |
| 899 return (oop *)interpreter_frame_tos_at(size); | |
| 900 } | |
| 901 | |
| 902 | |
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903 void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f, |
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904 const RegisterMap* map, bool query_oop_map_cache) { |
| 0 | 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 | |
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931 if (cld_f != NULL) { |
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932 // The method pointer in the frame might be the only path to the method's |
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933 // klass, and the klass needs to be kept alive while executing. The GCs |
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934 // don't trace through method pointers, so typically in similar situations |
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935 // the mirror or the class loader of the klass are installed as a GC root. |
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936 // To minimze the overhead of doing that here, we ask the GC to pass down a |
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937 // closure that knows how to keep klasses alive given a ClassLoaderData. |
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938 cld_f->do_cld(m->method_holder()->class_loader_data()); |
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939 } |
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940 |
| 17813 | 941 if (m->is_native() PPC32_ONLY(&& m->is_static())) { |
| 942 f->do_oop(interpreter_frame_temp_oop_addr()); | |
| 0 | 943 } |
| 944 | |
| 945 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
| 946 | |
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947 Symbol* signature = NULL; |
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948 bool has_receiver = false; |
| 0 | 949 |
| 950 // Process a callee's arguments if we are at a call site | |
| 951 // (i.e., if we are at an invoke bytecode) | |
| 952 // This is used sometimes for calling into the VM, not for another | |
| 953 // interpreted or compiled frame. | |
| 954 if (!m->is_native()) { | |
| 2142 | 955 Bytecode_invoke call = Bytecode_invoke_check(m, bci); |
| 956 if (call.is_valid()) { | |
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957 signature = call.signature(); |
| 2142 | 958 has_receiver = call.has_receiver(); |
| 0 | 959 if (map->include_argument_oops() && |
| 960 interpreter_frame_expression_stack_size() > 0) { | |
| 961 ResourceMark rm(thread); // is this right ??? | |
| 962 // we are at a call site & the expression stack is not empty | |
| 963 // => process callee's arguments | |
| 964 // | |
| 965 // Note: The expression stack can be empty if an exception | |
| 605 | 966 // occurred during method resolution/execution. In all |
| 0 | 967 // cases we empty the expression stack completely be- |
| 968 // fore handling the exception (the exception handling | |
| 969 // code in the interpreter calls a blocking runtime | |
| 970 // routine which can cause this code to be executed). | |
| 971 // (was bug gri 7/27/98) | |
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972 oops_interpreted_arguments_do(signature, has_receiver, f); |
| 0 | 973 } |
| 974 } | |
| 975 } | |
| 976 | |
| 1506 | 977 InterpreterFrameClosure blk(this, max_locals, m->max_stack(), f); |
| 978 | |
| 979 // process locals & expression stack | |
| 980 InterpreterOopMap mask; | |
| 981 if (query_oop_map_cache) { | |
| 982 m->mask_for(bci, &mask); | |
| 0 | 983 } else { |
| 1506 | 984 OopMapCache::compute_one_oop_map(m, bci, &mask); |
| 0 | 985 } |
| 1506 | 986 mask.iterate_oop(&blk); |
| 0 | 987 } |
| 988 | |
| 989 | |
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990 void frame::oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f) { |
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991 InterpretedArgumentOopFinder finder(signature, has_receiver, this, f); |
| 0 | 992 finder.oops_do(); |
| 993 } | |
| 994 | |
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995 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { |
| 0 | 996 assert(_cb != NULL, "sanity check"); |
| 997 if (_cb->oop_maps() != NULL) { | |
| 998 OopMapSet::oops_do(this, reg_map, f); | |
| 999 | |
| 1000 // Preserve potential arguments for a callee. We handle this by dispatching | |
| 1001 // on the codeblob. For c2i, we do | |
| 1002 if (reg_map->include_argument_oops()) { | |
| 1003 _cb->preserve_callee_argument_oops(*this, reg_map, f); | |
| 1004 } | |
| 1005 } | |
| 1006 // In cases where perm gen is collected, GC will want to mark | |
| 1007 // oops referenced from nmethods active on thread stacks so as to | |
| 1008 // prevent them from being collected. However, this visit should be | |
| 1009 // restricted to certain phases of the collection only. The | |
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1010 // closure decides how it wants nmethods to be traced. |
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1011 if (cf != NULL) |
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1012 cf->do_code_blob(_cb); |
| 0 | 1013 } |
| 1014 | |
| 1015 class CompiledArgumentOopFinder: public SignatureInfo { | |
| 1016 protected: | |
| 1017 OopClosure* _f; | |
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1018 int _offset; // the current offset, incremented with each argument |
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1019 bool _has_receiver; // true if the callee has a receiver |
| 10390 | 1020 bool _has_appendix; // true if the call has an appendix |
| 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: | |
| 10390 | 1040 CompiledArgumentOopFinder(Symbol* signature, bool has_receiver, bool has_appendix, 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; |
| 10390 | 1047 _has_appendix = has_appendix; |
| 0 | 1048 _fr = fr; |
| 1049 _reg_map = (RegisterMap*)reg_map; | |
| 10390 | 1050 _arg_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0) + (has_appendix ? 1 : 0); |
| 0 | 1051 |
| 1052 int arg_size; | |
| 10390 | 1053 _regs = SharedRuntime::find_callee_arguments(signature, has_receiver, has_appendix, &arg_size); |
| 0 | 1054 assert(arg_size == _arg_size, "wrong arg size"); |
| 1055 } | |
| 1056 | |
| 1057 void oops_do() { | |
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1058 if (_has_receiver) { |
| 0 | 1059 handle_oop_offset(); |
| 1060 _offset++; | |
| 1061 } | |
| 1062 iterate_parameters(); | |
| 10390 | 1063 if (_has_appendix) { |
| 1064 handle_oop_offset(); | |
| 1065 _offset++; | |
| 1066 } | |
| 0 | 1067 } |
| 1068 }; | |
| 1069 | |
| 10390 | 1070 void frame::oops_compiled_arguments_do(Symbol* signature, bool has_receiver, bool has_appendix, const RegisterMap* reg_map, OopClosure* f) { |
| 0 | 1071 ResourceMark rm; |
| 10390 | 1072 CompiledArgumentOopFinder finder(signature, has_receiver, has_appendix, f, *this, reg_map); |
| 0 | 1073 finder.oops_do(); |
| 1074 } | |
| 1075 | |
| 1076 | |
| 1077 // Get receiver out of callers frame, i.e. find parameter 0 in callers | |
| 1078 // frame. Consult ADLC for where parameter 0 is to be found. Then | |
| 1079 // check local reg_map for it being a callee-save register or argument | |
| 1080 // register, both of which are saved in the local frame. If not found | |
| 1081 // there, it must be an in-stack argument of the caller. | |
| 1082 // Note: caller.sp() points to callee-arguments | |
| 1083 oop frame::retrieve_receiver(RegisterMap* reg_map) { | |
| 1084 frame caller = *this; | |
| 1085 | |
| 1086 // First consult the ADLC on where it puts parameter 0 for this signature. | |
| 1087 VMReg reg = SharedRuntime::name_for_receiver(); | |
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1088 oop* oop_adr = caller.oopmapreg_to_location(reg, reg_map); |
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1089 if (oop_adr == NULL) { |
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1090 guarantee(oop_adr != NULL, "bad register save location"); |
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1091 return NULL; |
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1092 } |
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1093 oop r = *oop_adr; |
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1094 assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (void *) r, (void *) r)); |
| 0 | 1095 return r; |
| 1096 } | |
| 1097 | |
| 1098 | |
| 1099 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { | |
| 1100 if(reg->is_reg()) { | |
| 1101 // If it is passed in a register, it got spilled in the stub frame. | |
| 1102 return (oop *)reg_map->location(reg); | |
| 1103 } else { | |
|
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1104 int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size; |
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1105 return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes); |
| 0 | 1106 } |
| 1107 } | |
| 1108 | |
| 2019 | 1109 BasicLock* frame::get_native_monitor() { |
| 1110 nmethod* nm = (nmethod*)_cb; | |
| 1111 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
| 1112 "Should not call this unless it's a native nmethod"); | |
| 1113 int byte_offset = in_bytes(nm->native_basic_lock_sp_offset()); | |
| 0 | 1114 assert(byte_offset >= 0, "should not see invalid offset"); |
| 1115 return (BasicLock*) &sp()[byte_offset / wordSize]; | |
| 1116 } | |
| 1117 | |
| 2019 | 1118 oop frame::get_native_receiver() { |
| 1119 nmethod* nm = (nmethod*)_cb; | |
| 1120 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
| 1121 "Should not call this unless it's a native nmethod"); | |
| 1122 int byte_offset = in_bytes(nm->native_receiver_sp_offset()); | |
| 0 | 1123 assert(byte_offset >= 0, "should not see invalid offset"); |
| 1124 oop owner = ((oop*) sp())[byte_offset / wordSize]; | |
| 1125 assert( Universe::heap()->is_in(owner), "bad receiver" ); | |
| 1126 return owner; | |
| 1127 } | |
| 1128 | |
| 1129 void frame::oops_entry_do(OopClosure* f, const RegisterMap* map) { | |
| 1130 assert(map != NULL, "map must be set"); | |
| 1131 if (map->include_argument_oops()) { | |
| 1132 // must collect argument oops, as nobody else is doing it | |
| 1133 Thread *thread = Thread::current(); | |
| 1134 methodHandle m (thread, entry_frame_call_wrapper()->callee_method()); | |
|
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1135 EntryFrameOopFinder finder(this, m->signature(), m->is_static()); |
| 0 | 1136 finder.arguments_do(f); |
| 1137 } | |
| 1138 // Traverse the Handle Block saved in the entry frame | |
| 1139 entry_frame_call_wrapper()->oops_do(f); | |
| 1140 } | |
| 1141 | |
| 1142 | |
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1143 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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1144 #ifndef PRODUCT |
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1145 // simulate GC crash here to dump java thread in error report |
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1146 if (CrashGCForDumpingJavaThread) { |
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1147 char *t = NULL; |
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1148 *t = 'c'; |
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1149 } |
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1150 #endif |
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1151 if (is_interpreted_frame()) { |
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1152 oops_interpreted_do(f, cld_f, map, use_interpreter_oop_map_cache); |
|
1119
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1153 } else if (is_entry_frame()) { |
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1154 oops_entry_do(f, map); |
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1155 } else if (CodeCache::contains(pc())) { |
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1156 oops_code_blob_do(f, cf, map); |
| 1692 | 1157 #ifdef SHARK |
| 1158 } else if (is_fake_stub_frame()) { | |
| 1159 // nothing to do | |
| 1160 #endif // SHARK | |
| 0 | 1161 } else { |
| 1162 ShouldNotReachHere(); | |
| 1163 } | |
| 1164 } | |
| 1165 | |
|
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1166 void frame::nmethods_do(CodeBlobClosure* cf) { |
| 0 | 1167 if (_cb != NULL && _cb->is_nmethod()) { |
|
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1168 cf->do_code_blob(_cb); |
| 0 | 1169 } |
| 1170 } | |
| 1171 | |
| 1172 | |
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1173 // call f() on the interpreted Method*s in the stack. |
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1174 // Have to walk the entire code cache for the compiled frames Yuck. |
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1175 void frame::metadata_do(void f(Metadata*)) { |
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1176 if (_cb != NULL && Interpreter::contains(pc())) { |
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1177 Method* m = this->interpreter_frame_method(); |
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1178 assert(m != NULL, "huh?"); |
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1179 f(m); |
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1180 } |
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1181 } |
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1182 |
| 0 | 1183 void frame::gc_prologue() { |
| 1184 if (is_interpreted_frame()) { | |
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1185 // set bcx to bci to become Method* position independent during GC |
| 0 | 1186 interpreter_frame_set_bcx(interpreter_frame_bci()); |
| 1187 } | |
| 1188 } | |
| 1189 | |
| 1190 | |
| 1191 void frame::gc_epilogue() { | |
| 1192 if (is_interpreted_frame()) { | |
| 1193 // set bcx back to bcp for interpreter | |
| 1194 interpreter_frame_set_bcx((intptr_t)interpreter_frame_bcp()); | |
| 1195 } | |
| 1196 // call processor specific epilog function | |
| 1197 pd_gc_epilog(); | |
| 1198 } | |
| 1199 | |
| 1200 | |
| 1201 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 1202 | |
| 1203 void frame::CheckValueClosure::do_oop(oop* p) { | |
| 1204 if (CheckOopishValues && Universe::heap()->is_in_reserved(*p)) { | |
| 1205 warning("value @ " INTPTR_FORMAT " looks oopish (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
| 1206 } | |
| 1207 } | |
| 1208 frame::CheckValueClosure frame::_check_value; | |
| 1209 | |
| 1210 | |
| 1211 void frame::CheckOopClosure::do_oop(oop* p) { | |
| 1212 if (*p != NULL && !(*p)->is_oop()) { | |
| 1213 warning("value @ " INTPTR_FORMAT " should be an oop (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
| 1214 } | |
| 1215 } | |
| 1216 frame::CheckOopClosure frame::_check_oop; | |
| 1217 | |
| 1218 void frame::check_derived_oop(oop* base, oop* derived) { | |
| 1219 _check_oop.do_oop(base); | |
| 1220 } | |
| 1221 | |
| 1222 | |
| 1223 void frame::ZapDeadClosure::do_oop(oop* p) { | |
| 1224 if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p); | |
|
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1225 *p = cast_to_oop<intptr_t>(0xbabebabe); |
| 0 | 1226 } |
| 1227 frame::ZapDeadClosure frame::_zap_dead; | |
| 1228 | |
| 1229 void frame::zap_dead_locals(JavaThread* thread, const RegisterMap* map) { | |
| 1230 assert(thread == Thread::current(), "need to synchronize to do this to another thread"); | |
| 1231 // Tracing - part 1 | |
| 1232 if (TraceZapDeadLocals) { | |
| 1233 ResourceMark rm(thread); | |
| 1234 tty->print_cr("--------------------------------------------------------------------------------"); | |
| 1235 tty->print("Zapping dead locals in "); | |
| 1236 print_on(tty); | |
| 1237 tty->cr(); | |
| 1238 } | |
| 1239 // Zapping | |
| 1240 if (is_entry_frame ()) zap_dead_entry_locals (thread, map); | |
| 1241 else if (is_interpreted_frame()) zap_dead_interpreted_locals(thread, map); | |
| 1242 else if (is_compiled_frame()) zap_dead_compiled_locals (thread, map); | |
| 1243 | |
| 1244 else | |
| 1245 // could be is_runtime_frame | |
| 1246 // so remove error: ShouldNotReachHere(); | |
| 1247 ; | |
| 1248 // Tracing - part 2 | |
| 1249 if (TraceZapDeadLocals) { | |
| 1250 tty->cr(); | |
| 1251 } | |
| 1252 } | |
| 1253 | |
| 1254 | |
| 1255 void frame::zap_dead_interpreted_locals(JavaThread *thread, const RegisterMap* map) { | |
| 1256 // get current interpreter 'pc' | |
| 1257 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
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1258 Method* m = interpreter_frame_method(); |
| 0 | 1259 int bci = interpreter_frame_bci(); |
| 1260 | |
| 1261 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
| 1262 | |
| 1506 | 1263 // process dynamic part |
| 1264 InterpreterFrameClosure value_blk(this, max_locals, m->max_stack(), | |
| 1265 &_check_value); | |
| 1266 InterpreterFrameClosure oop_blk(this, max_locals, m->max_stack(), | |
| 1267 &_check_oop ); | |
| 1268 InterpreterFrameClosure dead_blk(this, max_locals, m->max_stack(), | |
| 1269 &_zap_dead ); | |
| 0 | 1270 |
| 1506 | 1271 // get frame map |
| 1272 InterpreterOopMap mask; | |
| 1273 m->mask_for(bci, &mask); | |
| 1274 mask.iterate_all( &oop_blk, &value_blk, &dead_blk); | |
| 0 | 1275 } |
| 1276 | |
| 1277 | |
| 1278 void frame::zap_dead_compiled_locals(JavaThread* thread, const RegisterMap* reg_map) { | |
| 1279 | |
| 1280 ResourceMark rm(thread); | |
| 1281 assert(_cb != NULL, "sanity check"); | |
| 1282 if (_cb->oop_maps() != NULL) { | |
|
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1283 OopMapSet::all_do(this, reg_map, &_check_oop, check_derived_oop, &_check_value); |
| 0 | 1284 } |
| 1285 } | |
| 1286 | |
| 1287 | |
| 1288 void frame::zap_dead_entry_locals(JavaThread*, const RegisterMap*) { | |
| 1289 if (TraceZapDeadLocals) warning("frame::zap_dead_entry_locals unimplemented"); | |
| 1290 } | |
| 1291 | |
| 1292 | |
| 1293 void frame::zap_dead_deoptimized_locals(JavaThread*, const RegisterMap*) { | |
| 1294 if (TraceZapDeadLocals) warning("frame::zap_dead_deoptimized_locals unimplemented"); | |
| 1295 } | |
| 1296 | |
| 1297 # endif // ENABLE_ZAP_DEAD_LOCALS | |
| 1298 | |
| 1299 void frame::verify(const RegisterMap* map) { | |
| 1300 // for now make sure receiver type is correct | |
| 1301 if (is_interpreted_frame()) { | |
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1302 Method* method = interpreter_frame_method(); |
| 0 | 1303 guarantee(method->is_method(), "method is wrong in frame::verify"); |
| 1304 if (!method->is_static()) { | |
| 1305 // fetch the receiver | |
| 1306 oop* p = (oop*) interpreter_frame_local_at(0); | |
| 1307 // make sure we have the right receiver type | |
| 1308 } | |
| 1309 } | |
| 1310 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) | |
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1311 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, NULL, (RegisterMap*)map, false); |
| 0 | 1312 } |
| 1313 | |
| 1314 | |
| 1315 #ifdef ASSERT | |
| 1316 bool frame::verify_return_pc(address x) { | |
| 1317 if (StubRoutines::returns_to_call_stub(x)) { | |
| 1318 return true; | |
| 1319 } | |
| 1320 if (CodeCache::contains(x)) { | |
| 1321 return true; | |
| 1322 } | |
| 1323 if (Interpreter::contains(x)) { | |
| 1324 return true; | |
| 1325 } | |
| 1326 return false; | |
| 1327 } | |
| 1328 #endif | |
| 1329 | |
| 1330 #ifdef ASSERT | |
| 1331 void frame::interpreter_frame_verify_monitor(BasicObjectLock* value) const { | |
| 1332 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 1333 // verify that the value is in the right part of the frame | |
| 1334 address low_mark = (address) interpreter_frame_monitor_end(); | |
| 1335 address high_mark = (address) interpreter_frame_monitor_begin(); | |
| 1336 address current = (address) value; | |
| 1337 | |
| 1338 const int monitor_size = frame::interpreter_frame_monitor_size(); | |
| 1339 guarantee((high_mark - current) % monitor_size == 0 , "Misaligned top of BasicObjectLock*"); | |
| 1340 guarantee( high_mark > current , "Current BasicObjectLock* higher than high_mark"); | |
| 1341 | |
| 1342 guarantee((current - low_mark) % monitor_size == 0 , "Misaligned bottom of BasicObjectLock*"); | |
| 1343 guarantee( current >= low_mark , "Current BasicObjectLock* below than low_mark"); | |
| 1344 } | |
|
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1345 #endif |
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1346 |
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1347 #ifndef PRODUCT |
|
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1348 void frame::describe(FrameValues& values, int frame_no) { |
|
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1349 // boundaries: sp and the 'real' frame pointer |
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1350 values.describe(-1, sp(), err_msg("sp for #%d", frame_no), 1); |
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1351 intptr_t* frame_pointer = real_fp(); // Note: may differ from fp() |
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1352 |
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1353 // print frame info at the highest boundary |
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1354 intptr_t* info_address = MAX2(sp(), frame_pointer); |
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1355 |
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1356 if (info_address != frame_pointer) { |
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1357 // print frame_pointer explicitly if not marked by the frame info |
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1358 values.describe(-1, frame_pointer, err_msg("frame pointer for #%d", frame_no), 1); |
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1359 } |
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1360 |
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1361 if (is_entry_frame() || is_compiled_frame() || is_interpreted_frame() || is_native_frame()) { |
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1362 // Label values common to most frames |
|
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1363 values.describe(-1, unextended_sp(), err_msg("unextended_sp for #%d", frame_no)); |
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1364 } |
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1365 |
|
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1366 if (is_interpreted_frame()) { |
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1367 Method* m = interpreter_frame_method(); |
|
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1368 int bci = interpreter_frame_bci(); |
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1369 |
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1370 // Label the method and current bci |
|
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1371 values.describe(-1, info_address, |
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1372 FormatBuffer<1024>("#%d method %s @ %d", frame_no, m->name_and_sig_as_C_string(), bci), 2); |
|
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1373 values.describe(-1, info_address, |
|
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1374 err_msg("- %d locals %d max stack", m->max_locals(), m->max_stack()), 1); |
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1375 if (m->max_locals() > 0) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1376 intptr_t* l0 = interpreter_frame_local_at(0); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1377 intptr_t* ln = interpreter_frame_local_at(m->max_locals() - 1); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1378 values.describe(-1, MAX2(l0, ln), err_msg("locals for #%d", frame_no), 1); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1379 // Report each local 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
|
1380 for (int l = 0; l < m->max_locals(); l++) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1381 intptr_t* l0 = interpreter_frame_local_at(l); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1382 values.describe(frame_no, l0, err_msg("local %d", l)); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1383 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1384 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1385 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1386 // Compute the actual expression stack size |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1387 InterpreterOopMap mask; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1388 OopMapCache::compute_one_oop_map(m, bci, &mask); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1389 intptr_t* tos = NULL; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1390 // 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
|
1391 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
|
1392 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
|
1393 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
|
1394 err_msg("stack %d", e)); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1395 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1396 if (tos != NULL) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1397 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
|
1398 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1399 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
|
1400 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
|
1401 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
|
1402 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1403 } else if (is_entry_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1404 // For now just label the frame |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1405 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
|
1406 } else if (is_compiled_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1407 // For now just label the frame |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1408 nmethod* nm = cb()->as_nmethod_or_null(); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1409 values.describe(-1, info_address, |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1410 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
|
1411 nm, nm->method()->name_and_sig_as_C_string(), |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1412 (_deopt_state == is_deoptimized) ? |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1413 " (deoptimized)" : |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1414 ((_deopt_state == unknown) ? " (state unknown)" : "")), |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1415 2); |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1416 } else if (is_native_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1417 // For now just label the frame |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1418 nmethod* nm = cb()->as_nmethod_or_null(); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1419 values.describe(-1, info_address, |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1420 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
|
1421 nm, nm->method()->name_and_sig_as_C_string()), 2); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1422 } else { |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1423 // provide default info if not handled before |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1424 char *info = (char *) "special frame"; |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1425 if ((_cb != NULL) && |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1426 (_cb->name() != NULL)) { |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1427 info = (char *)_cb->name(); |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1428 } |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1429 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
|
1430 } |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1431 |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1432 // platform dependent additional data |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1433 describe_pd(values, frame_no); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1434 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1435 |
| 0 | 1436 #endif |
| 1437 | |
| 1438 | |
| 1439 //----------------------------------------------------------------------------------- | |
| 1440 // StackFrameStream implementation | |
| 1441 | |
| 1442 StackFrameStream::StackFrameStream(JavaThread *thread, bool update) : _reg_map(thread, update) { | |
| 1443 assert(thread->has_last_Java_frame(), "sanity check"); | |
| 1444 _fr = thread->last_frame(); | |
| 1445 _is_done = false; | |
| 1446 } | |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1447 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1448 |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1449 #ifndef PRODUCT |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1450 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1451 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
|
1452 FrameValue fv; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1453 fv.location = location; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1454 fv.owner = owner; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1455 fv.priority = priority; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1456 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
|
1457 strcpy(fv.description, description); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1458 _values.append(fv); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1459 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1460 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1461 |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1462 #ifdef ASSERT |
|
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1463 void FrameValues::validate() { |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1464 _values.sort(compare); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1465 bool error = false; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1466 FrameValue prev; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1467 prev.owner = -1; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1468 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
|
1469 FrameValue fv = _values.at(i); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1470 if (fv.owner == -1) continue; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1471 if (prev.owner == -1) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1472 prev = fv; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1473 continue; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1474 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1475 if (prev.location == fv.location) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1476 if (fv.owner != prev.owner) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1477 tty->print_cr("overlapping storage"); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1478 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
|
1479 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
|
1480 error = true; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1481 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1482 } else { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1483 prev = fv; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1484 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1485 } |
|
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1486 assert(!error, "invalid layout"); |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1487 } |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1488 #endif // ASSERT |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1489 |
|
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1490 void FrameValues::print(JavaThread* thread) { |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1491 _values.sort(compare); |
|
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1492 |
|
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1493 // 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
|
1494 // 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
|
1495 // 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
|
1496 int min_index = 0; |
|
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1497 int max_index = _values.length() - 1; |
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1498 intptr_t* v0 = _values.at(min_index).location; |
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1499 intptr_t* v1 = _values.at(max_index).location; |
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1500 |
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1501 if (thread == Thread::current()) { |
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1502 while (!thread->is_in_stack((address)v0)) { |
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1503 v0 = _values.at(++min_index).location; |
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1504 } |
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1505 while (!thread->is_in_stack((address)v1)) { |
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1506 v1 = _values.at(--max_index).location; |
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1507 } |
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1508 } else { |
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1509 while (!thread->on_local_stack((address)v0)) { |
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1510 v0 = _values.at(++min_index).location; |
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1511 } |
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1512 while (!thread->on_local_stack((address)v1)) { |
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1513 v1 = _values.at(--max_index).location; |
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1514 } |
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1515 } |
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1516 intptr_t* min = MIN2(v0, v1); |
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1517 intptr_t* max = MAX2(v0, v1); |
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1518 intptr_t* cur = max; |
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1519 intptr_t* last = NULL; |
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1520 for (int i = max_index; i >= min_index; i--) { |
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1521 FrameValue fv = _values.at(i); |
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1522 while (cur > fv.location) { |
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1523 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT, cur, *cur); |
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1524 cur--; |
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1525 } |
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1526 if (last == fv.location) { |
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1527 const char* spacer = " " LP64_ONLY(" "); |
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1528 tty->print_cr(" %s %s %s", spacer, spacer, fv.description); |
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1529 } else { |
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1530 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
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1531 last = fv.location; |
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1532 cur--; |
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1533 } |
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1534 } |
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1535 } |
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|
1536 |
|
4824
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1537 #endif // ndef PRODUCT |