Mercurial > hg > truffle
annotate src/share/vm/runtime/frame.cpp @ 13212:eb03a7335eb0
Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.
| author | Christian Wimmer <christian.wimmer@oracle.com> |
|---|---|
| date | Mon, 02 Dec 2013 14:20:32 -0800 |
| parents | cefad50507d8 |
| children | d8041d695d19 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
|
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26 #include "compiler/abstractCompiler.hpp" |
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27 #include "compiler/disassembler.hpp" |
| 1972 | 28 #include "gc_interface/collectedHeap.inline.hpp" |
| 29 #include "interpreter/interpreter.hpp" | |
| 30 #include "interpreter/oopMapCache.hpp" | |
| 31 #include "memory/resourceArea.hpp" | |
| 32 #include "memory/universe.inline.hpp" | |
| 33 #include "oops/markOop.hpp" | |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
| 1972 | 36 #include "oops/oop.inline.hpp" |
| 37 #include "oops/oop.inline2.hpp" | |
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38 #include "prims/methodHandles.hpp" |
| 1972 | 39 #include "runtime/frame.inline.hpp" |
| 40 #include "runtime/handles.inline.hpp" | |
| 41 #include "runtime/javaCalls.hpp" | |
| 42 #include "runtime/monitorChunk.hpp" | |
| 43 #include "runtime/sharedRuntime.hpp" | |
| 44 #include "runtime/signature.hpp" | |
| 45 #include "runtime/stubCodeGenerator.hpp" | |
| 46 #include "runtime/stubRoutines.hpp" | |
|
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47 #include "utilities/decoder.hpp" |
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48 |
| 1972 | 49 #ifdef TARGET_ARCH_x86 |
| 50 # include "nativeInst_x86.hpp" | |
| 51 #endif | |
| 52 #ifdef TARGET_ARCH_sparc | |
| 53 # include "nativeInst_sparc.hpp" | |
| 54 #endif | |
| 55 #ifdef TARGET_ARCH_zero | |
| 56 # include "nativeInst_zero.hpp" | |
| 57 #endif | |
|
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58 #ifdef TARGET_ARCH_arm |
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59 # include "nativeInst_arm.hpp" |
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60 #endif |
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61 #ifdef TARGET_ARCH_ppc |
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62 # include "nativeInst_ppc.hpp" |
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63 #endif |
| 0 | 64 |
| 65 RegisterMap::RegisterMap(JavaThread *thread, bool update_map) { | |
| 66 _thread = thread; | |
| 67 _update_map = update_map; | |
| 68 clear(); | |
| 69 debug_only(_update_for_id = NULL;) | |
| 70 #ifndef PRODUCT | |
| 71 for (int i = 0; i < reg_count ; i++ ) _location[i] = NULL; | |
| 72 #endif /* PRODUCT */ | |
| 73 } | |
| 74 | |
| 75 RegisterMap::RegisterMap(const RegisterMap* map) { | |
| 76 assert(map != this, "bad initialization parameter"); | |
| 77 assert(map != NULL, "RegisterMap must be present"); | |
| 78 _thread = map->thread(); | |
| 79 _update_map = map->update_map(); | |
| 80 _include_argument_oops = map->include_argument_oops(); | |
| 81 debug_only(_update_for_id = map->_update_for_id;) | |
| 82 pd_initialize_from(map); | |
| 83 if (update_map()) { | |
| 84 for(int i = 0; i < location_valid_size; i++) { | |
| 85 LocationValidType bits = !update_map() ? 0 : map->_location_valid[i]; | |
| 86 _location_valid[i] = bits; | |
| 87 // for whichever bits are set, pull in the corresponding map->_location | |
| 88 int j = i*location_valid_type_size; | |
| 89 while (bits != 0) { | |
| 90 if ((bits & 1) != 0) { | |
| 91 assert(0 <= j && j < reg_count, "range check"); | |
| 92 _location[j] = map->_location[j]; | |
| 93 } | |
| 94 bits >>= 1; | |
| 95 j += 1; | |
| 96 } | |
| 97 } | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 void RegisterMap::clear() { | |
| 102 set_include_argument_oops(true); | |
| 103 if (_update_map) { | |
| 104 for(int i = 0; i < location_valid_size; i++) { | |
| 105 _location_valid[i] = 0; | |
| 106 } | |
| 107 pd_clear(); | |
| 108 } else { | |
| 109 pd_initialize(); | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 #ifndef PRODUCT | |
| 114 | |
| 115 void RegisterMap::print_on(outputStream* st) const { | |
| 116 st->print_cr("Register map"); | |
| 117 for(int i = 0; i < reg_count; i++) { | |
| 118 | |
| 119 VMReg r = VMRegImpl::as_VMReg(i); | |
| 120 intptr_t* src = (intptr_t*) location(r); | |
| 121 if (src != NULL) { | |
| 122 | |
| 417 | 123 r->print_on(st); |
| 124 st->print(" [" INTPTR_FORMAT "] = ", src); | |
| 0 | 125 if (((uintptr_t)src & (sizeof(*src)-1)) != 0) { |
| 417 | 126 st->print_cr("<misaligned>"); |
| 0 | 127 } else { |
| 417 | 128 st->print_cr(INTPTR_FORMAT, *src); |
| 0 | 129 } |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 void RegisterMap::print() const { | |
| 135 print_on(tty); | |
| 136 } | |
| 137 | |
| 138 #endif | |
| 139 // This returns the pc that if you were in the debugger you'd see. Not | |
| 140 // the idealized value in the frame object. This undoes the magic conversion | |
| 141 // that happens for deoptimized frames. In addition it makes the value the | |
| 142 // hardware would want to see in the native frame. The only user (at this point) | |
| 143 // is deoptimization. It likely no one else should ever use it. | |
| 144 | |
| 145 address frame::raw_pc() const { | |
| 146 if (is_deoptimized_frame()) { | |
| 1204 | 147 nmethod* nm = cb()->as_nmethod_or_null(); |
| 148 if (nm->is_method_handle_return(pc())) | |
| 149 return nm->deopt_mh_handler_begin() - pc_return_offset; | |
| 150 else | |
| 151 return nm->deopt_handler_begin() - pc_return_offset; | |
| 0 | 152 } else { |
| 153 return (pc() - pc_return_offset); | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 // Change the pc in a frame object. This does not change the actual pc in | |
| 158 // actual frame. To do that use patch_pc. | |
| 159 // | |
| 160 void frame::set_pc(address newpc ) { | |
| 161 #ifdef ASSERT | |
| 162 if (_cb != NULL && _cb->is_nmethod()) { | |
| 163 assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant violation"); | |
| 164 } | |
| 165 #endif // ASSERT | |
| 166 | |
| 167 // Unsafe to use the is_deoptimzed tester after changing pc | |
| 168 _deopt_state = unknown; | |
| 169 _pc = newpc; | |
| 170 _cb = CodeCache::find_blob_unsafe(_pc); | |
| 171 | |
| 172 } | |
| 173 | |
| 174 // type testers | |
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175 bool frame::is_ignored_frame() const { |
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176 return false; // FIXME: some LambdaForm frames should be ignored |
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177 } |
| 0 | 178 bool frame::is_deoptimized_frame() const { |
| 179 assert(_deopt_state != unknown, "not answerable"); | |
| 180 return _deopt_state == is_deoptimized; | |
| 181 } | |
| 182 | |
| 183 bool frame::is_native_frame() const { | |
| 184 return (_cb != NULL && | |
| 185 _cb->is_nmethod() && | |
| 186 ((nmethod*)_cb)->is_native_method()); | |
| 187 } | |
| 188 | |
| 189 bool frame::is_java_frame() const { | |
| 190 if (is_interpreted_frame()) return true; | |
| 191 if (is_compiled_frame()) return true; | |
| 192 return false; | |
| 193 } | |
| 194 | |
| 195 | |
| 196 bool frame::is_compiled_frame() const { | |
| 197 if (_cb != NULL && | |
| 198 _cb->is_nmethod() && | |
| 199 ((nmethod*)_cb)->is_java_method()) { | |
| 200 return true; | |
| 201 } | |
| 202 return false; | |
| 203 } | |
| 204 | |
| 205 | |
| 206 bool frame::is_runtime_frame() const { | |
| 207 return (_cb != NULL && _cb->is_runtime_stub()); | |
| 208 } | |
| 209 | |
| 210 bool frame::is_safepoint_blob_frame() const { | |
| 211 return (_cb != NULL && _cb->is_safepoint_stub()); | |
| 212 } | |
| 213 | |
| 214 // testers | |
| 215 | |
| 216 bool frame::is_first_java_frame() const { | |
| 217 RegisterMap map(JavaThread::current(), false); // No update | |
| 218 frame s; | |
| 219 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)); | |
| 220 return s.is_first_frame(); | |
| 221 } | |
| 222 | |
| 223 | |
| 224 bool frame::entry_frame_is_first() const { | |
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225 return entry_frame_call_wrapper()->is_first_frame(); |
| 0 | 226 } |
| 227 | |
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228 JavaCallWrapper* frame::entry_frame_call_wrapper_if_safe(JavaThread* thread) const { |
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229 JavaCallWrapper** jcw = entry_frame_call_wrapper_addr(); |
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230 address addr = (address) jcw; |
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231 |
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232 // addr must be within the usable part of the stack |
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233 if (thread->is_in_usable_stack(addr)) { |
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234 return *jcw; |
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235 } |
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236 |
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237 return NULL; |
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238 } |
| 0 | 239 |
| 240 bool frame::should_be_deoptimized() const { | |
| 241 if (_deopt_state == is_deoptimized || | |
| 242 !is_compiled_frame() ) return false; | |
| 243 assert(_cb != NULL && _cb->is_nmethod(), "must be an nmethod"); | |
| 244 nmethod* nm = (nmethod *)_cb; | |
| 245 if (TraceDependencies) { | |
| 246 tty->print("checking (%s) ", nm->is_marked_for_deoptimization() ? "true" : "false"); | |
| 247 nm->print_value_on(tty); | |
| 248 tty->cr(); | |
| 249 } | |
| 250 | |
| 251 if( !nm->is_marked_for_deoptimization() ) | |
| 252 return false; | |
| 253 | |
| 254 // If at the return point, then the frame has already been popped, and | |
| 255 // only the return needs to be executed. Don't deoptimize here. | |
| 256 return !nm->is_at_poll_return(pc()); | |
| 257 } | |
| 258 | |
| 259 bool frame::can_be_deoptimized() const { | |
| 260 if (!is_compiled_frame()) return false; | |
| 261 nmethod* nm = (nmethod*)_cb; | |
| 262 | |
| 263 if( !nm->can_be_deoptimized() ) | |
| 264 return false; | |
| 265 | |
| 266 return !nm->is_at_poll_return(pc()); | |
| 267 } | |
| 268 | |
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269 void frame::deoptimize(JavaThread* thread) { |
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270 // Schedule deoptimization of an nmethod activation with this frame. |
| 0 | 271 assert(_cb != NULL && _cb->is_nmethod(), "must be"); |
| 272 nmethod* nm = (nmethod*)_cb; | |
| 273 | |
| 274 // This is a fix for register window patching race | |
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275 if (NeedsDeoptSuspend && Thread::current() != thread) { |
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276 assert(SafepointSynchronize::is_at_safepoint(), |
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277 "patching other threads for deopt may only occur at a safepoint"); |
| 0 | 278 |
| 279 // It is possible especially with DeoptimizeALot/DeoptimizeRandom that | |
| 280 // we could see the frame again and ask for it to be deoptimized since | |
| 281 // it might move for a long time. That is harmless and we just ignore it. | |
| 282 if (id() == thread->must_deopt_id()) { | |
| 283 assert(thread->is_deopt_suspend(), "lost suspension"); | |
| 284 return; | |
| 285 } | |
| 286 | |
| 287 // We are at a safepoint so the target thread can only be | |
| 288 // in 4 states: | |
| 289 // blocked - no problem | |
| 290 // blocked_trans - no problem (i.e. could have woken up from blocked | |
| 291 // during a safepoint). | |
| 292 // native - register window pc patching race | |
| 293 // native_trans - momentary state | |
| 294 // | |
| 295 // We could just wait out a thread in native_trans to block. | |
| 296 // Then we'd have all the issues that the safepoint code has as to | |
| 297 // whether to spin or block. It isn't worth it. Just treat it like | |
| 298 // native and be done with it. | |
| 299 // | |
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300 // Examine the state of the thread at the start of safepoint since |
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301 // threads that were in native at the start of the safepoint could |
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302 // come to a halt during the safepoint, changing the current value |
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303 // of the safepoint_state. |
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304 JavaThreadState state = thread->safepoint_state()->orig_thread_state(); |
| 0 | 305 if (state == _thread_in_native || state == _thread_in_native_trans) { |
| 306 // Since we are at a safepoint the target thread will stop itself | |
| 307 // before it can return to java as long as we remain at the safepoint. | |
| 308 // Therefore we can put an additional request for the thread to stop | |
| 309 // no matter what no (like a suspend). This will cause the thread | |
| 310 // to notice it needs to do the deopt on its own once it leaves native. | |
| 311 // | |
| 312 // The only reason we must do this is because on machine with register | |
| 313 // windows we have a race with patching the return address and the | |
| 314 // window coming live as the thread returns to the Java code (but still | |
| 315 // in native mode) and then blocks. It is only this top most frame | |
| 316 // that is at risk. So in truth we could add an additional check to | |
| 317 // see if this frame is one that is at risk. | |
| 318 RegisterMap map(thread, false); | |
| 319 frame at_risk = thread->last_frame().sender(&map); | |
| 320 if (id() == at_risk.id()) { | |
| 321 thread->set_must_deopt_id(id()); | |
| 322 thread->set_deopt_suspend(); | |
| 323 return; | |
| 324 } | |
| 325 } | |
| 326 } // NeedsDeoptSuspend | |
| 327 | |
| 328 | |
| 1204 | 329 // If the call site is a MethodHandle call site use the MH deopt |
| 330 // handler. | |
| 331 address deopt = nm->is_method_handle_return(pc()) ? | |
| 332 nm->deopt_mh_handler_begin() : | |
| 333 nm->deopt_handler_begin(); | |
| 334 | |
| 0 | 335 // Save the original pc before we patch in the new one |
| 336 nm->set_original_pc(this, pc()); | |
| 337 patch_pc(thread, deopt); | |
| 1204 | 338 |
| 0 | 339 #ifdef ASSERT |
| 340 { | |
| 341 RegisterMap map(thread, false); | |
| 342 frame check = thread->last_frame(); | |
| 343 while (id() != check.id()) { | |
| 344 check = check.sender(&map); | |
| 345 } | |
| 346 assert(check.is_deoptimized_frame(), "missed deopt"); | |
| 347 } | |
| 348 #endif // ASSERT | |
| 349 } | |
| 350 | |
| 351 frame frame::java_sender() const { | |
| 352 RegisterMap map(JavaThread::current(), false); | |
| 353 frame s; | |
| 354 for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)) ; | |
| 355 guarantee(s.is_java_frame(), "tried to get caller of first java frame"); | |
| 356 return s; | |
| 357 } | |
| 358 | |
| 359 frame frame::real_sender(RegisterMap* map) const { | |
| 360 frame result = sender(map); | |
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361 while (result.is_runtime_frame() || |
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362 result.is_ignored_frame()) { |
| 0 | 363 result = result.sender(map); |
| 364 } | |
| 365 return result; | |
| 366 } | |
| 367 | |
| 368 // Note: called by profiler - NOT for current thread | |
| 369 frame frame::profile_find_Java_sender_frame(JavaThread *thread) { | |
| 370 // If we don't recognize this frame, walk back up the stack until we do | |
| 371 RegisterMap map(thread, false); | |
| 372 frame first_java_frame = frame(); | |
| 373 | |
| 374 // Find the first Java frame on the stack starting with input frame | |
| 375 if (is_java_frame()) { | |
| 376 // top frame is compiled frame or deoptimized frame | |
| 377 first_java_frame = *this; | |
| 378 } else if (safe_for_sender(thread)) { | |
| 379 for (frame sender_frame = sender(&map); | |
| 380 sender_frame.safe_for_sender(thread) && !sender_frame.is_first_frame(); | |
| 381 sender_frame = sender_frame.sender(&map)) { | |
| 382 if (sender_frame.is_java_frame()) { | |
| 383 first_java_frame = sender_frame; | |
| 384 break; | |
| 385 } | |
| 386 } | |
| 387 } | |
| 388 return first_java_frame; | |
| 389 } | |
| 390 | |
| 391 // Interpreter frames | |
| 392 | |
| 393 | |
| 394 void frame::interpreter_frame_set_locals(intptr_t* locs) { | |
| 395 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 396 *interpreter_frame_locals_addr() = locs; | |
| 397 } | |
| 398 | |
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399 Method* frame::interpreter_frame_method() const { |
| 0 | 400 assert(is_interpreted_frame(), "interpreted frame expected"); |
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401 Method* m = *interpreter_frame_method_addr(); |
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402 assert(m->is_method(), "not a Method*"); |
| 0 | 403 return m; |
| 404 } | |
| 405 | |
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406 void frame::interpreter_frame_set_method(Method* method) { |
| 0 | 407 assert(is_interpreted_frame(), "interpreted frame expected"); |
| 408 *interpreter_frame_method_addr() = method; | |
| 409 } | |
| 410 | |
| 411 void frame::interpreter_frame_set_bcx(intptr_t bcx) { | |
| 412 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 413 if (ProfileInterpreter) { | |
| 414 bool formerly_bci = is_bci(interpreter_frame_bcx()); | |
| 415 bool is_now_bci = is_bci(bcx); | |
| 416 *interpreter_frame_bcx_addr() = bcx; | |
| 417 | |
| 418 intptr_t mdx = interpreter_frame_mdx(); | |
| 419 | |
| 420 if (mdx != 0) { | |
| 421 if (formerly_bci) { | |
| 422 if (!is_now_bci) { | |
| 423 // The bcx was just converted from bci to bcp. | |
| 424 // Convert the mdx in parallel. | |
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425 MethodData* mdo = interpreter_frame_method()->method_data(); |
| 0 | 426 assert(mdo != NULL, ""); |
| 427 int mdi = mdx - 1; // We distinguish valid mdi from zero by adding one. | |
| 428 address mdp = mdo->di_to_dp(mdi); | |
| 429 interpreter_frame_set_mdx((intptr_t)mdp); | |
| 430 } | |
| 431 } else { | |
| 432 if (is_now_bci) { | |
| 433 // The bcx was just converted from bcp to bci. | |
| 434 // Convert the mdx in parallel. | |
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435 MethodData* mdo = interpreter_frame_method()->method_data(); |
| 0 | 436 assert(mdo != NULL, ""); |
| 437 int mdi = mdo->dp_to_di((address)mdx); | |
| 438 interpreter_frame_set_mdx((intptr_t)mdi + 1); // distinguish valid from 0. | |
| 439 } | |
| 440 } | |
| 441 } | |
| 442 } else { | |
| 443 *interpreter_frame_bcx_addr() = bcx; | |
| 444 } | |
| 445 } | |
| 446 | |
| 447 jint frame::interpreter_frame_bci() const { | |
| 448 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 449 intptr_t bcx = interpreter_frame_bcx(); | |
| 450 return is_bci(bcx) ? bcx : interpreter_frame_method()->bci_from((address)bcx); | |
| 451 } | |
| 452 | |
| 453 void frame::interpreter_frame_set_bci(jint bci) { | |
| 454 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 455 assert(!is_bci(interpreter_frame_bcx()), "should not set bci during GC"); | |
| 456 interpreter_frame_set_bcx((intptr_t)interpreter_frame_method()->bcp_from(bci)); | |
| 457 } | |
| 458 | |
| 459 address frame::interpreter_frame_bcp() const { | |
| 460 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 461 intptr_t bcx = interpreter_frame_bcx(); | |
| 462 return is_bci(bcx) ? interpreter_frame_method()->bcp_from(bcx) : (address)bcx; | |
| 463 } | |
| 464 | |
| 465 void frame::interpreter_frame_set_bcp(address bcp) { | |
| 466 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 467 assert(!is_bci(interpreter_frame_bcx()), "should not set bcp during GC"); | |
| 468 interpreter_frame_set_bcx((intptr_t)bcp); | |
| 469 } | |
| 470 | |
| 471 void frame::interpreter_frame_set_mdx(intptr_t mdx) { | |
| 472 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 473 assert(ProfileInterpreter, "must be profiling interpreter"); | |
| 474 *interpreter_frame_mdx_addr() = mdx; | |
| 475 } | |
| 476 | |
| 477 address frame::interpreter_frame_mdp() const { | |
| 478 assert(ProfileInterpreter, "must be profiling interpreter"); | |
| 479 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 480 intptr_t bcx = interpreter_frame_bcx(); | |
| 481 intptr_t mdx = interpreter_frame_mdx(); | |
| 482 | |
| 483 assert(!is_bci(bcx), "should not access mdp during GC"); | |
| 484 return (address)mdx; | |
| 485 } | |
| 486 | |
| 487 void frame::interpreter_frame_set_mdp(address mdp) { | |
| 488 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 489 if (mdp == NULL) { | |
| 490 // Always allow the mdp to be cleared. | |
| 491 interpreter_frame_set_mdx((intptr_t)mdp); | |
| 492 } | |
| 493 intptr_t bcx = interpreter_frame_bcx(); | |
| 494 assert(!is_bci(bcx), "should not set mdp during GC"); | |
| 495 interpreter_frame_set_mdx((intptr_t)mdp); | |
| 496 } | |
| 497 | |
| 498 BasicObjectLock* frame::next_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
| 499 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 500 #ifdef ASSERT | |
| 501 interpreter_frame_verify_monitor(current); | |
| 502 #endif | |
| 503 BasicObjectLock* next = (BasicObjectLock*) (((intptr_t*) current) + interpreter_frame_monitor_size()); | |
| 504 return next; | |
| 505 } | |
| 506 | |
| 507 BasicObjectLock* frame::previous_monitor_in_interpreter_frame(BasicObjectLock* current) const { | |
| 508 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 509 #ifdef ASSERT | |
| 510 // // This verification needs to be checked before being enabled | |
| 511 // interpreter_frame_verify_monitor(current); | |
| 512 #endif | |
| 513 BasicObjectLock* previous = (BasicObjectLock*) (((intptr_t*) current) - interpreter_frame_monitor_size()); | |
| 514 return previous; | |
| 515 } | |
| 516 | |
| 517 // Interpreter locals and expression stack locations. | |
| 518 | |
| 519 intptr_t* frame::interpreter_frame_local_at(int index) const { | |
| 520 const int n = Interpreter::local_offset_in_bytes(index)/wordSize; | |
| 521 return &((*interpreter_frame_locals_addr())[n]); | |
| 522 } | |
| 523 | |
| 524 intptr_t* frame::interpreter_frame_expression_stack_at(jint offset) const { | |
| 525 const int i = offset * interpreter_frame_expression_stack_direction(); | |
| 1506 | 526 const int n = i * Interpreter::stackElementWords; |
| 0 | 527 return &(interpreter_frame_expression_stack()[n]); |
| 528 } | |
| 529 | |
| 530 jint frame::interpreter_frame_expression_stack_size() const { | |
| 531 // Number of elements on the interpreter expression stack | |
| 532 // Callers should span by stackElementWords | |
| 1506 | 533 int element_size = Interpreter::stackElementWords; |
| 0 | 534 if (frame::interpreter_frame_expression_stack_direction() < 0) { |
| 535 return (interpreter_frame_expression_stack() - | |
| 536 interpreter_frame_tos_address() + 1)/element_size; | |
| 537 } else { | |
| 538 return (interpreter_frame_tos_address() - | |
| 539 interpreter_frame_expression_stack() + 1)/element_size; | |
| 540 } | |
| 541 } | |
| 542 | |
| 543 | |
| 544 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) | |
| 545 | |
| 546 const char* frame::print_name() const { | |
| 547 if (is_native_frame()) return "Native"; | |
| 548 if (is_interpreted_frame()) return "Interpreted"; | |
| 549 if (is_compiled_frame()) { | |
| 550 if (is_deoptimized_frame()) return "Deoptimized"; | |
| 551 return "Compiled"; | |
| 552 } | |
| 553 if (sp() == NULL) return "Empty"; | |
| 554 return "C"; | |
| 555 } | |
| 556 | |
| 557 void frame::print_value_on(outputStream* st, JavaThread *thread) const { | |
| 558 NOT_PRODUCT(address begin = pc()-40;) | |
| 559 NOT_PRODUCT(address end = NULL;) | |
| 560 | |
| 561 st->print("%s frame (sp=" INTPTR_FORMAT " unextended sp=" INTPTR_FORMAT, print_name(), sp(), unextended_sp()); | |
| 562 if (sp() != NULL) | |
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563 st->print(", fp=" INTPTR_FORMAT ", real_fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT, fp(), real_fp(), pc()); |
| 0 | 564 |
| 565 if (StubRoutines::contains(pc())) { | |
| 566 st->print_cr(")"); | |
| 567 st->print("("); | |
| 568 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
| 569 st->print("~Stub::%s", desc->name()); | |
| 570 NOT_PRODUCT(begin = desc->begin(); end = desc->end();) | |
| 571 } else if (Interpreter::contains(pc())) { | |
| 572 st->print_cr(")"); | |
| 573 st->print("("); | |
| 574 InterpreterCodelet* desc = Interpreter::codelet_containing(pc()); | |
| 575 if (desc != NULL) { | |
| 576 st->print("~"); | |
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577 desc->print_on(st); |
| 0 | 578 NOT_PRODUCT(begin = desc->code_begin(); end = desc->code_end();) |
| 579 } else { | |
| 580 st->print("~interpreter"); | |
| 581 } | |
| 582 } | |
| 583 st->print_cr(")"); | |
| 584 | |
| 585 if (_cb != NULL) { | |
| 586 st->print(" "); | |
| 587 _cb->print_value_on(st); | |
| 588 st->cr(); | |
| 589 #ifndef PRODUCT | |
| 590 if (end == NULL) { | |
| 1748 | 591 begin = _cb->code_begin(); |
| 592 end = _cb->code_end(); | |
| 0 | 593 } |
| 594 #endif | |
| 595 } | |
| 596 NOT_PRODUCT(if (WizardMode && Verbose) Disassembler::decode(begin, end);) | |
| 597 } | |
| 598 | |
| 599 | |
| 600 void frame::print_on(outputStream* st) const { | |
| 601 print_value_on(st,NULL); | |
| 602 if (is_interpreted_frame()) { | |
| 603 interpreter_frame_print_on(st); | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 | |
| 608 void frame::interpreter_frame_print_on(outputStream* st) const { | |
| 609 #ifndef PRODUCT | |
| 610 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 611 jint i; | |
| 612 for (i = 0; i < interpreter_frame_method()->max_locals(); i++ ) { | |
| 613 intptr_t x = *interpreter_frame_local_at(i); | |
| 614 st->print(" - local [" INTPTR_FORMAT "]", x); | |
| 615 st->fill_to(23); | |
| 616 st->print_cr("; #%d", i); | |
| 617 } | |
| 618 for (i = interpreter_frame_expression_stack_size() - 1; i >= 0; --i ) { | |
| 619 intptr_t x = *interpreter_frame_expression_stack_at(i); | |
| 620 st->print(" - stack [" INTPTR_FORMAT "]", x); | |
| 621 st->fill_to(23); | |
| 622 st->print_cr("; #%d", i); | |
| 623 } | |
| 624 // locks for synchronization | |
| 625 for (BasicObjectLock* current = interpreter_frame_monitor_end(); | |
| 626 current < interpreter_frame_monitor_begin(); | |
| 627 current = next_monitor_in_interpreter_frame(current)) { | |
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628 st->print(" - obj ["); |
| 0 | 629 current->obj()->print_value_on(st); |
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630 st->print_cr("]"); |
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631 st->print(" - lock ["); |
| 0 | 632 current->lock()->print_on(st); |
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633 st->print_cr("]"); |
| 0 | 634 } |
| 635 // monitor | |
| 636 st->print_cr(" - monitor[" INTPTR_FORMAT "]", interpreter_frame_monitor_begin()); | |
| 637 // bcp | |
| 638 st->print(" - bcp [" INTPTR_FORMAT "]", interpreter_frame_bcp()); | |
| 639 st->fill_to(23); | |
| 640 st->print_cr("; @%d", interpreter_frame_bci()); | |
| 641 // locals | |
| 642 st->print_cr(" - locals [" INTPTR_FORMAT "]", interpreter_frame_local_at(0)); | |
| 643 // method | |
| 644 st->print(" - method [" INTPTR_FORMAT "]", (address)interpreter_frame_method()); | |
| 645 st->fill_to(23); | |
| 646 st->print("; "); | |
| 647 interpreter_frame_method()->print_name(st); | |
| 648 st->cr(); | |
| 649 #endif | |
| 650 } | |
| 651 | |
| 652 // Return whether the frame is in the VM or os indicating a Hotspot problem. | |
| 653 // Otherwise, it's likely a bug in the native library that the Java code calls, | |
| 654 // hopefully indicating where to submit bugs. | |
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655 void frame::print_C_frame(outputStream* st, char* buf, int buflen, address pc) { |
| 0 | 656 // C/C++ frame |
| 657 bool in_vm = os::address_is_in_vm(pc); | |
| 658 st->print(in_vm ? "V" : "C"); | |
| 659 | |
| 660 int offset; | |
| 661 bool found; | |
| 662 | |
| 663 // libname | |
| 664 found = os::dll_address_to_library_name(pc, buf, buflen, &offset); | |
| 665 if (found) { | |
| 666 // skip directory names | |
| 667 const char *p1, *p2; | |
| 668 p1 = buf; | |
| 669 int len = (int)strlen(os::file_separator()); | |
| 670 while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; | |
| 671 st->print(" [%s+0x%x]", p1, offset); | |
| 672 } else { | |
| 673 st->print(" " PTR_FORMAT, pc); | |
| 674 } | |
| 675 | |
| 676 // function name - os::dll_address_to_function_name() may return confusing | |
| 677 // names if pc is within jvm.dll or libjvm.so, because JVM only has | |
| 678 // JVM_xxxx and a few other symbols in the dynamic symbol table. Do this | |
| 679 // only for native libraries. | |
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680 if (!in_vm || Decoder::can_decode_C_frame_in_vm()) { |
| 0 | 681 found = os::dll_address_to_function_name(pc, buf, buflen, &offset); |
| 682 | |
| 683 if (found) { | |
| 684 st->print(" %s+0x%x", buf, offset); | |
| 685 } | |
| 686 } | |
| 687 } | |
| 688 | |
| 689 // frame::print_on_error() is called by fatal error handler. Notice that we may | |
| 690 // crash inside this function if stack frame is corrupted. The fatal error | |
| 691 // handler can catch and handle the crash. Here we assume the frame is valid. | |
| 692 // | |
| 693 // First letter indicates type of the frame: | |
| 694 // J: Java frame (compiled) | |
| 695 // j: Java frame (interpreted) | |
| 696 // V: VM frame (C/C++) | |
| 697 // v: Other frames running VM generated code (e.g. stubs, adapters, etc.) | |
| 698 // C: C/C++ frame | |
| 699 // | |
| 700 // We don't need detailed frame type as that in frame::print_name(). "C" | |
| 701 // suggests the problem is in user lib; everything else is likely a VM bug. | |
| 702 | |
| 703 void frame::print_on_error(outputStream* st, char* buf, int buflen, bool verbose) const { | |
| 704 if (_cb != NULL) { | |
| 705 if (Interpreter::contains(pc())) { | |
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706 Method* m = this->interpreter_frame_method(); |
| 0 | 707 if (m != NULL) { |
| 708 m->name_and_sig_as_C_string(buf, buflen); | |
| 709 st->print("j %s", buf); | |
| 710 st->print("+%d", this->interpreter_frame_bci()); | |
| 711 } else { | |
| 712 st->print("j " PTR_FORMAT, pc()); | |
| 713 } | |
| 714 } else if (StubRoutines::contains(pc())) { | |
| 715 StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); | |
| 716 if (desc != NULL) { | |
| 717 st->print("v ~StubRoutines::%s", desc->name()); | |
| 718 } else { | |
| 719 st->print("v ~StubRoutines::" PTR_FORMAT, pc()); | |
| 720 } | |
| 721 } else if (_cb->is_buffer_blob()) { | |
| 722 st->print("v ~BufferBlob::%s", ((BufferBlob *)_cb)->name()); | |
| 723 } else if (_cb->is_nmethod()) { | |
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724 nmethod* nm = (nmethod*)_cb; |
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725 Method* m = nm->method(); |
| 0 | 726 if (m != NULL) { |
| 727 m->name_and_sig_as_C_string(buf, buflen); | |
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728 st->print("J %d%s %s %s (%d bytes) @ " PTR_FORMAT " [" PTR_FORMAT "+0x%x]", |
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729 nm->compile_id(), (nm->is_osr_method() ? "%" : ""), |
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730 ((nm->compiler() != NULL) ? nm->compiler()->name() : ""), |
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731 buf, m->code_size(), _pc, _cb->code_begin(), _pc - _cb->code_begin()); |
| 0 | 732 } else { |
| 733 st->print("J " PTR_FORMAT, pc()); | |
| 734 } | |
| 735 } else if (_cb->is_runtime_stub()) { | |
| 736 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); | |
| 737 } else if (_cb->is_deoptimization_stub()) { | |
| 738 st->print("v ~DeoptimizationBlob"); | |
| 739 } else if (_cb->is_exception_stub()) { | |
| 740 st->print("v ~ExceptionBlob"); | |
| 741 } else if (_cb->is_safepoint_stub()) { | |
| 742 st->print("v ~SafepointBlob"); | |
| 743 } else { | |
| 744 st->print("v blob " PTR_FORMAT, pc()); | |
| 745 } | |
| 746 } else { | |
| 747 print_C_frame(st, buf, buflen, pc()); | |
| 748 } | |
| 749 } | |
| 750 | |
| 751 | |
| 752 /* | |
| 753 The interpreter_frame_expression_stack_at method in the case of SPARC needs the | |
| 754 max_stack value of the method in order to compute the expression stack address. | |
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755 It uses the Method* in order to get the max_stack value but during GC this |
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756 Method* value saved on the frame is changed by reverse_and_push and hence cannot |
| 0 | 757 be used. So we save the max_stack value in the FrameClosure object and pass it |
| 758 down to the interpreter_frame_expression_stack_at method | |
| 759 */ | |
| 760 class InterpreterFrameClosure : public OffsetClosure { | |
| 761 private: | |
| 762 frame* _fr; | |
| 763 OopClosure* _f; | |
| 764 int _max_locals; | |
| 765 int _max_stack; | |
| 766 | |
| 767 public: | |
| 768 InterpreterFrameClosure(frame* fr, int max_locals, int max_stack, | |
| 769 OopClosure* f) { | |
| 770 _fr = fr; | |
| 771 _max_locals = max_locals; | |
| 772 _max_stack = max_stack; | |
| 773 _f = f; | |
| 774 } | |
| 775 | |
| 776 void offset_do(int offset) { | |
| 777 oop* addr; | |
| 778 if (offset < _max_locals) { | |
| 779 addr = (oop*) _fr->interpreter_frame_local_at(offset); | |
| 780 assert((intptr_t*)addr >= _fr->sp(), "must be inside the frame"); | |
| 781 _f->do_oop(addr); | |
| 782 } else { | |
| 783 addr = (oop*) _fr->interpreter_frame_expression_stack_at((offset - _max_locals)); | |
| 784 // In case of exceptions, the expression stack is invalid and the esp will be reset to express | |
| 785 // this condition. Therefore, we call f only if addr is 'inside' the stack (i.e., addr >= esp for Intel). | |
| 786 bool in_stack; | |
| 787 if (frame::interpreter_frame_expression_stack_direction() > 0) { | |
| 788 in_stack = (intptr_t*)addr <= _fr->interpreter_frame_tos_address(); | |
| 789 } else { | |
| 790 in_stack = (intptr_t*)addr >= _fr->interpreter_frame_tos_address(); | |
| 791 } | |
| 792 if (in_stack) { | |
| 793 _f->do_oop(addr); | |
| 794 } | |
| 795 } | |
| 796 } | |
| 797 | |
| 798 int max_locals() { return _max_locals; } | |
| 799 frame* fr() { return _fr; } | |
| 800 }; | |
| 801 | |
| 802 | |
| 803 class InterpretedArgumentOopFinder: public SignatureInfo { | |
| 804 private: | |
|
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805 OopClosure* _f; // Closure to invoke |
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806 int _offset; // TOS-relative offset, decremented with each argument |
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807 bool _has_receiver; // true if the callee has a receiver |
| 0 | 808 frame* _fr; |
| 809 | |
| 810 void set(int size, BasicType type) { | |
| 811 _offset -= size; | |
| 812 if (type == T_OBJECT || type == T_ARRAY) oop_offset_do(); | |
| 813 } | |
| 814 | |
| 815 void oop_offset_do() { | |
| 816 oop* addr; | |
| 817 addr = (oop*)_fr->interpreter_frame_tos_at(_offset); | |
| 818 _f->do_oop(addr); | |
| 819 } | |
| 820 | |
| 821 public: | |
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822 InterpretedArgumentOopFinder(Symbol* signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) { |
| 0 | 823 // compute size of arguments |
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824 int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
| 0 | 825 assert(!fr->is_interpreted_frame() || |
| 826 args_size <= fr->interpreter_frame_expression_stack_size(), | |
| 827 "args cannot be on stack anymore"); | |
| 828 // initialize InterpretedArgumentOopFinder | |
| 829 _f = f; | |
| 830 _fr = fr; | |
| 831 _offset = args_size; | |
| 832 } | |
| 833 | |
| 834 void oops_do() { | |
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835 if (_has_receiver) { |
| 0 | 836 --_offset; |
| 837 oop_offset_do(); | |
| 838 } | |
| 839 iterate_parameters(); | |
| 840 } | |
| 841 }; | |
| 842 | |
| 843 | |
| 844 // Entry frame has following form (n arguments) | |
| 845 // +-----------+ | |
| 846 // sp -> | last arg | | |
| 847 // +-----------+ | |
| 848 // : ::: : | |
| 849 // +-----------+ | |
| 850 // (sp+n)->| first arg| | |
| 851 // +-----------+ | |
| 852 | |
| 853 | |
| 854 | |
| 855 // visits and GC's all the arguments in entry frame | |
| 856 class EntryFrameOopFinder: public SignatureInfo { | |
| 857 private: | |
| 858 bool _is_static; | |
| 859 int _offset; | |
| 860 frame* _fr; | |
| 861 OopClosure* _f; | |
| 862 | |
| 863 void set(int size, BasicType type) { | |
| 864 assert (_offset >= 0, "illegal offset"); | |
| 865 if (type == T_OBJECT || type == T_ARRAY) oop_at_offset_do(_offset); | |
| 866 _offset -= size; | |
| 867 } | |
| 868 | |
| 869 void oop_at_offset_do(int offset) { | |
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870 assert (offset >= 0, "illegal offset"); |
| 0 | 871 oop* addr = (oop*) _fr->entry_frame_argument_at(offset); |
| 872 _f->do_oop(addr); | |
| 873 } | |
| 874 | |
| 875 public: | |
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876 EntryFrameOopFinder(frame* frame, Symbol* signature, bool is_static) : SignatureInfo(signature) { |
| 0 | 877 _f = NULL; // will be set later |
| 878 _fr = frame; | |
| 879 _is_static = is_static; | |
| 880 _offset = ArgumentSizeComputer(signature).size() - 1; // last parameter is at index 0 | |
| 881 } | |
| 882 | |
| 883 void arguments_do(OopClosure* f) { | |
| 884 _f = f; | |
| 885 if (!_is_static) oop_at_offset_do(_offset+1); // do the receiver | |
| 886 iterate_parameters(); | |
| 887 } | |
| 888 | |
| 889 }; | |
| 890 | |
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891 oop* frame::interpreter_callee_receiver_addr(Symbol* signature) { |
| 0 | 892 ArgumentSizeComputer asc(signature); |
| 893 int size = asc.size(); | |
| 894 return (oop *)interpreter_frame_tos_at(size); | |
| 895 } | |
| 896 | |
| 897 | |
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898 void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f, |
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899 const RegisterMap* map, bool query_oop_map_cache) { |
| 0 | 900 assert(is_interpreted_frame(), "Not an interpreted frame"); |
| 901 assert(map != NULL, "map must be set"); | |
| 902 Thread *thread = Thread::current(); | |
| 903 methodHandle m (thread, interpreter_frame_method()); | |
| 904 jint bci = interpreter_frame_bci(); | |
| 905 | |
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906 assert(!Universe::heap()->is_in(m()), |
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907 "must be valid oop"); |
| 0 | 908 assert(m->is_method(), "checking frame value"); |
|
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909 assert((m->is_native() && bci == 0) || |
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910 (!m->is_native() && bci >= 0 && bci < m->code_size()), |
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911 "invalid bci value"); |
| 0 | 912 |
| 913 // Handle the monitor elements in the activation | |
| 914 for ( | |
| 915 BasicObjectLock* current = interpreter_frame_monitor_end(); | |
| 916 current < interpreter_frame_monitor_begin(); | |
| 917 current = next_monitor_in_interpreter_frame(current) | |
| 918 ) { | |
| 919 #ifdef ASSERT | |
| 920 interpreter_frame_verify_monitor(current); | |
| 921 #endif | |
| 922 current->oops_do(f); | |
| 923 } | |
| 924 | |
| 925 // process fixed part | |
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926 if (cld_f != NULL) { |
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927 // The method pointer in the frame might be the only path to the method's |
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928 // klass, and the klass needs to be kept alive while executing. The GCs |
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929 // don't trace through method pointers, so typically in similar situations |
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930 // the mirror or the class loader of the klass are installed as a GC root. |
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931 // To minimze the overhead of doing that here, we ask the GC to pass down a |
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932 // closure that knows how to keep klasses alive given a ClassLoaderData. |
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933 cld_f->do_cld(m->method_holder()->class_loader_data()); |
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934 } |
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935 |
| 1908 | 936 #if !defined(PPC) || defined(ZERO) |
| 0 | 937 if (m->is_native()) { |
| 938 #ifdef CC_INTERP | |
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939 interpreterState istate = get_interpreterState(); |
| 0 | 940 f->do_oop((oop*)&istate->_oop_temp); |
| 941 #else | |
| 942 f->do_oop((oop*)( fp() + interpreter_frame_oop_temp_offset )); | |
| 943 #endif /* CC_INTERP */ | |
| 944 } | |
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945 #else // PPC |
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946 if (m->is_native() && m->is_static()) { |
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947 f->do_oop(interpreter_frame_mirror_addr()); |
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948 } |
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949 #endif // PPC |
| 0 | 950 |
| 951 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
| 952 | |
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953 Symbol* signature = NULL; |
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954 bool has_receiver = false; |
| 0 | 955 |
| 956 // Process a callee's arguments if we are at a call site | |
| 957 // (i.e., if we are at an invoke bytecode) | |
| 958 // This is used sometimes for calling into the VM, not for another | |
| 959 // interpreted or compiled frame. | |
| 960 if (!m->is_native()) { | |
| 2142 | 961 Bytecode_invoke call = Bytecode_invoke_check(m, bci); |
| 962 if (call.is_valid()) { | |
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963 signature = call.signature(); |
| 2142 | 964 has_receiver = call.has_receiver(); |
| 0 | 965 if (map->include_argument_oops() && |
| 966 interpreter_frame_expression_stack_size() > 0) { | |
| 967 ResourceMark rm(thread); // is this right ??? | |
| 968 // we are at a call site & the expression stack is not empty | |
| 969 // => process callee's arguments | |
| 970 // | |
| 971 // Note: The expression stack can be empty if an exception | |
| 605 | 972 // occurred during method resolution/execution. In all |
| 0 | 973 // cases we empty the expression stack completely be- |
| 974 // fore handling the exception (the exception handling | |
| 975 // code in the interpreter calls a blocking runtime | |
| 976 // routine which can cause this code to be executed). | |
| 977 // (was bug gri 7/27/98) | |
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978 oops_interpreted_arguments_do(signature, has_receiver, f); |
| 0 | 979 } |
| 980 } | |
| 981 } | |
| 982 | |
| 1506 | 983 InterpreterFrameClosure blk(this, max_locals, m->max_stack(), f); |
| 984 | |
| 985 // process locals & expression stack | |
| 986 InterpreterOopMap mask; | |
| 987 if (query_oop_map_cache) { | |
| 988 m->mask_for(bci, &mask); | |
| 0 | 989 } else { |
| 1506 | 990 OopMapCache::compute_one_oop_map(m, bci, &mask); |
| 0 | 991 } |
| 1506 | 992 mask.iterate_oop(&blk); |
| 0 | 993 } |
| 994 | |
| 995 | |
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996 void frame::oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f) { |
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997 InterpretedArgumentOopFinder finder(signature, has_receiver, this, f); |
| 0 | 998 finder.oops_do(); |
| 999 } | |
| 1000 | |
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1001 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { |
| 0 | 1002 assert(_cb != NULL, "sanity check"); |
| 1003 if (_cb->oop_maps() != NULL) { | |
| 1004 OopMapSet::oops_do(this, reg_map, f); | |
| 1005 | |
| 1006 // Preserve potential arguments for a callee. We handle this by dispatching | |
| 1007 // on the codeblob. For c2i, we do | |
| 1008 if (reg_map->include_argument_oops()) { | |
| 1009 _cb->preserve_callee_argument_oops(*this, reg_map, f); | |
| 1010 } | |
| 1011 } | |
| 1012 // In cases where perm gen is collected, GC will want to mark | |
| 1013 // oops referenced from nmethods active on thread stacks so as to | |
| 1014 // prevent them from being collected. However, this visit should be | |
| 1015 // restricted to certain phases of the collection only. The | |
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1016 // closure decides how it wants nmethods to be traced. |
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1017 if (cf != NULL) |
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1018 cf->do_code_blob(_cb); |
| 0 | 1019 } |
| 1020 | |
| 1021 class CompiledArgumentOopFinder: public SignatureInfo { | |
| 1022 protected: | |
| 1023 OopClosure* _f; | |
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1024 int _offset; // the current offset, incremented with each argument |
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1025 bool _has_receiver; // true if the callee has a receiver |
| 10390 | 1026 bool _has_appendix; // true if the call has an appendix |
| 0 | 1027 frame _fr; |
| 1028 RegisterMap* _reg_map; | |
| 1029 int _arg_size; | |
| 1030 VMRegPair* _regs; // VMReg list of arguments | |
| 1031 | |
| 1032 void set(int size, BasicType type) { | |
| 1033 if (type == T_OBJECT || type == T_ARRAY) handle_oop_offset(); | |
| 1034 _offset += size; | |
| 1035 } | |
| 1036 | |
| 1037 virtual void handle_oop_offset() { | |
| 1038 // Extract low order register number from register array. | |
| 1039 // In LP64-land, the high-order bits are valid but unhelpful. | |
| 1040 VMReg reg = _regs[_offset].first(); | |
| 1041 oop *loc = _fr.oopmapreg_to_location(reg, _reg_map); | |
| 1042 _f->do_oop(loc); | |
| 1043 } | |
| 1044 | |
| 1045 public: | |
| 10390 | 1046 CompiledArgumentOopFinder(Symbol* signature, bool has_receiver, bool has_appendix, OopClosure* f, frame fr, const RegisterMap* reg_map) |
| 0 | 1047 : SignatureInfo(signature) { |
| 1048 | |
| 1049 // initialize CompiledArgumentOopFinder | |
| 1050 _f = f; | |
| 1051 _offset = 0; | |
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1052 _has_receiver = has_receiver; |
| 10390 | 1053 _has_appendix = has_appendix; |
| 0 | 1054 _fr = fr; |
| 1055 _reg_map = (RegisterMap*)reg_map; | |
| 10390 | 1056 _arg_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0) + (has_appendix ? 1 : 0); |
| 0 | 1057 |
| 1058 int arg_size; | |
| 10390 | 1059 _regs = SharedRuntime::find_callee_arguments(signature, has_receiver, has_appendix, &arg_size); |
| 0 | 1060 assert(arg_size == _arg_size, "wrong arg size"); |
| 1061 } | |
| 1062 | |
| 1063 void oops_do() { | |
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1064 if (_has_receiver) { |
| 0 | 1065 handle_oop_offset(); |
| 1066 _offset++; | |
| 1067 } | |
| 1068 iterate_parameters(); | |
| 10390 | 1069 if (_has_appendix) { |
| 1070 handle_oop_offset(); | |
| 1071 _offset++; | |
| 1072 } | |
| 0 | 1073 } |
| 1074 }; | |
| 1075 | |
| 10390 | 1076 void frame::oops_compiled_arguments_do(Symbol* signature, bool has_receiver, bool has_appendix, const RegisterMap* reg_map, OopClosure* f) { |
| 0 | 1077 ResourceMark rm; |
| 10390 | 1078 CompiledArgumentOopFinder finder(signature, has_receiver, has_appendix, f, *this, reg_map); |
| 0 | 1079 finder.oops_do(); |
| 1080 } | |
| 1081 | |
| 1082 | |
| 1083 // Get receiver out of callers frame, i.e. find parameter 0 in callers | |
| 1084 // frame. Consult ADLC for where parameter 0 is to be found. Then | |
| 1085 // check local reg_map for it being a callee-save register or argument | |
| 1086 // register, both of which are saved in the local frame. If not found | |
| 1087 // there, it must be an in-stack argument of the caller. | |
| 1088 // Note: caller.sp() points to callee-arguments | |
| 1089 oop frame::retrieve_receiver(RegisterMap* reg_map) { | |
| 1090 frame caller = *this; | |
| 1091 | |
| 1092 // First consult the ADLC on where it puts parameter 0 for this signature. | |
| 1093 VMReg reg = SharedRuntime::name_for_receiver(); | |
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1094 oop* oop_adr = caller.oopmapreg_to_location(reg, reg_map); |
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1095 if (oop_adr == NULL) { |
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1096 guarantee(oop_adr != NULL, "bad register save location"); |
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1097 return NULL; |
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1098 } |
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1099 oop r = *oop_adr; |
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1100 assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (void *) r, (void *) r)); |
| 0 | 1101 return r; |
| 1102 } | |
| 1103 | |
| 1104 | |
| 1105 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { | |
| 1106 if(reg->is_reg()) { | |
| 1107 // If it is passed in a register, it got spilled in the stub frame. | |
| 1108 return (oop *)reg_map->location(reg); | |
| 1109 } else { | |
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1110 int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size; |
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1111 return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes); |
| 0 | 1112 } |
| 1113 } | |
| 1114 | |
| 2019 | 1115 BasicLock* frame::get_native_monitor() { |
| 1116 nmethod* nm = (nmethod*)_cb; | |
| 1117 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
| 1118 "Should not call this unless it's a native nmethod"); | |
| 1119 int byte_offset = in_bytes(nm->native_basic_lock_sp_offset()); | |
| 0 | 1120 assert(byte_offset >= 0, "should not see invalid offset"); |
| 1121 return (BasicLock*) &sp()[byte_offset / wordSize]; | |
| 1122 } | |
| 1123 | |
| 2019 | 1124 oop frame::get_native_receiver() { |
| 1125 nmethod* nm = (nmethod*)_cb; | |
| 1126 assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), | |
| 1127 "Should not call this unless it's a native nmethod"); | |
| 1128 int byte_offset = in_bytes(nm->native_receiver_sp_offset()); | |
| 0 | 1129 assert(byte_offset >= 0, "should not see invalid offset"); |
| 1130 oop owner = ((oop*) sp())[byte_offset / wordSize]; | |
| 1131 assert( Universe::heap()->is_in(owner), "bad receiver" ); | |
| 1132 return owner; | |
| 1133 } | |
| 1134 | |
| 1135 void frame::oops_entry_do(OopClosure* f, const RegisterMap* map) { | |
| 1136 assert(map != NULL, "map must be set"); | |
| 1137 if (map->include_argument_oops()) { | |
| 1138 // must collect argument oops, as nobody else is doing it | |
| 1139 Thread *thread = Thread::current(); | |
| 1140 methodHandle m (thread, entry_frame_call_wrapper()->callee_method()); | |
|
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1141 EntryFrameOopFinder finder(this, m->signature(), m->is_static()); |
| 0 | 1142 finder.arguments_do(f); |
| 1143 } | |
| 1144 // Traverse the Handle Block saved in the entry frame | |
| 1145 entry_frame_call_wrapper()->oops_do(f); | |
| 1146 } | |
| 1147 | |
| 1148 | |
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1149 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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1150 #ifndef PRODUCT |
|
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1151 // simulate GC crash here to dump java thread in error report |
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1152 if (CrashGCForDumpingJavaThread) { |
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1153 char *t = NULL; |
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1154 *t = 'c'; |
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1155 } |
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1156 #endif |
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1157 if (is_interpreted_frame()) { |
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1158 oops_interpreted_do(f, cld_f, map, use_interpreter_oop_map_cache); |
|
1119
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1159 } else if (is_entry_frame()) { |
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1160 oops_entry_do(f, map); |
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1161 } else if (CodeCache::contains(pc())) { |
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1162 oops_code_blob_do(f, cf, map); |
| 1692 | 1163 #ifdef SHARK |
| 1164 } else if (is_fake_stub_frame()) { | |
| 1165 // nothing to do | |
| 1166 #endif // SHARK | |
| 0 | 1167 } else { |
| 1168 ShouldNotReachHere(); | |
| 1169 } | |
| 1170 } | |
| 1171 | |
|
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1172 void frame::nmethods_do(CodeBlobClosure* cf) { |
| 0 | 1173 if (_cb != NULL && _cb->is_nmethod()) { |
|
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1174 cf->do_code_blob(_cb); |
| 0 | 1175 } |
| 1176 } | |
| 1177 | |
| 1178 | |
|
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1179 // call f() on the interpreted Method*s in the stack. |
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1180 // Have to walk the entire code cache for the compiled frames Yuck. |
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1181 void frame::metadata_do(void f(Metadata*)) { |
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1182 if (_cb != NULL && Interpreter::contains(pc())) { |
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1183 Method* m = this->interpreter_frame_method(); |
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1184 assert(m != NULL, "huh?"); |
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1185 f(m); |
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1186 } |
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1187 } |
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1188 |
| 0 | 1189 void frame::gc_prologue() { |
| 1190 if (is_interpreted_frame()) { | |
|
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1191 // set bcx to bci to become Method* position independent during GC |
| 0 | 1192 interpreter_frame_set_bcx(interpreter_frame_bci()); |
| 1193 } | |
| 1194 } | |
| 1195 | |
| 1196 | |
| 1197 void frame::gc_epilogue() { | |
| 1198 if (is_interpreted_frame()) { | |
| 1199 // set bcx back to bcp for interpreter | |
| 1200 interpreter_frame_set_bcx((intptr_t)interpreter_frame_bcp()); | |
| 1201 } | |
| 1202 // call processor specific epilog function | |
| 1203 pd_gc_epilog(); | |
| 1204 } | |
| 1205 | |
| 1206 | |
| 1207 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 1208 | |
| 1209 void frame::CheckValueClosure::do_oop(oop* p) { | |
| 1210 if (CheckOopishValues && Universe::heap()->is_in_reserved(*p)) { | |
| 1211 warning("value @ " INTPTR_FORMAT " looks oopish (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
| 1212 } | |
| 1213 } | |
| 1214 frame::CheckValueClosure frame::_check_value; | |
| 1215 | |
| 1216 | |
| 1217 void frame::CheckOopClosure::do_oop(oop* p) { | |
| 1218 if (*p != NULL && !(*p)->is_oop()) { | |
| 1219 warning("value @ " INTPTR_FORMAT " should be an oop (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); | |
| 1220 } | |
| 1221 } | |
| 1222 frame::CheckOopClosure frame::_check_oop; | |
| 1223 | |
| 1224 void frame::check_derived_oop(oop* base, oop* derived) { | |
| 1225 _check_oop.do_oop(base); | |
| 1226 } | |
| 1227 | |
| 1228 | |
| 1229 void frame::ZapDeadClosure::do_oop(oop* p) { | |
| 1230 if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p); | |
|
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1231 *p = cast_to_oop<intptr_t>(0xbabebabe); |
| 0 | 1232 } |
| 1233 frame::ZapDeadClosure frame::_zap_dead; | |
| 1234 | |
| 1235 void frame::zap_dead_locals(JavaThread* thread, const RegisterMap* map) { | |
| 1236 assert(thread == Thread::current(), "need to synchronize to do this to another thread"); | |
| 1237 // Tracing - part 1 | |
| 1238 if (TraceZapDeadLocals) { | |
| 1239 ResourceMark rm(thread); | |
| 1240 tty->print_cr("--------------------------------------------------------------------------------"); | |
| 1241 tty->print("Zapping dead locals in "); | |
| 1242 print_on(tty); | |
| 1243 tty->cr(); | |
| 1244 } | |
| 1245 // Zapping | |
| 1246 if (is_entry_frame ()) zap_dead_entry_locals (thread, map); | |
| 1247 else if (is_interpreted_frame()) zap_dead_interpreted_locals(thread, map); | |
| 1248 else if (is_compiled_frame()) zap_dead_compiled_locals (thread, map); | |
| 1249 | |
| 1250 else | |
| 1251 // could be is_runtime_frame | |
| 1252 // so remove error: ShouldNotReachHere(); | |
| 1253 ; | |
| 1254 // Tracing - part 2 | |
| 1255 if (TraceZapDeadLocals) { | |
| 1256 tty->cr(); | |
| 1257 } | |
| 1258 } | |
| 1259 | |
| 1260 | |
| 1261 void frame::zap_dead_interpreted_locals(JavaThread *thread, const RegisterMap* map) { | |
| 1262 // get current interpreter 'pc' | |
| 1263 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
|
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1264 Method* m = interpreter_frame_method(); |
| 0 | 1265 int bci = interpreter_frame_bci(); |
| 1266 | |
| 1267 int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); | |
| 1268 | |
| 1506 | 1269 // process dynamic part |
| 1270 InterpreterFrameClosure value_blk(this, max_locals, m->max_stack(), | |
| 1271 &_check_value); | |
| 1272 InterpreterFrameClosure oop_blk(this, max_locals, m->max_stack(), | |
| 1273 &_check_oop ); | |
| 1274 InterpreterFrameClosure dead_blk(this, max_locals, m->max_stack(), | |
| 1275 &_zap_dead ); | |
| 0 | 1276 |
| 1506 | 1277 // get frame map |
| 1278 InterpreterOopMap mask; | |
| 1279 m->mask_for(bci, &mask); | |
| 1280 mask.iterate_all( &oop_blk, &value_blk, &dead_blk); | |
| 0 | 1281 } |
| 1282 | |
| 1283 | |
| 1284 void frame::zap_dead_compiled_locals(JavaThread* thread, const RegisterMap* reg_map) { | |
| 1285 | |
| 1286 ResourceMark rm(thread); | |
| 1287 assert(_cb != NULL, "sanity check"); | |
| 1288 if (_cb->oop_maps() != NULL) { | |
|
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1289 OopMapSet::all_do(this, reg_map, &_check_oop, check_derived_oop, &_check_value); |
| 0 | 1290 } |
| 1291 } | |
| 1292 | |
| 1293 | |
| 1294 void frame::zap_dead_entry_locals(JavaThread*, const RegisterMap*) { | |
| 1295 if (TraceZapDeadLocals) warning("frame::zap_dead_entry_locals unimplemented"); | |
| 1296 } | |
| 1297 | |
| 1298 | |
| 1299 void frame::zap_dead_deoptimized_locals(JavaThread*, const RegisterMap*) { | |
| 1300 if (TraceZapDeadLocals) warning("frame::zap_dead_deoptimized_locals unimplemented"); | |
| 1301 } | |
| 1302 | |
| 1303 # endif // ENABLE_ZAP_DEAD_LOCALS | |
| 1304 | |
| 1305 void frame::verify(const RegisterMap* map) { | |
| 1306 // for now make sure receiver type is correct | |
| 1307 if (is_interpreted_frame()) { | |
|
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1308 Method* method = interpreter_frame_method(); |
| 0 | 1309 guarantee(method->is_method(), "method is wrong in frame::verify"); |
| 1310 if (!method->is_static()) { | |
| 1311 // fetch the receiver | |
| 1312 oop* p = (oop*) interpreter_frame_local_at(0); | |
| 1313 // make sure we have the right receiver type | |
| 1314 } | |
| 1315 } | |
| 1316 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) | |
|
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1317 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, NULL, (RegisterMap*)map, false); |
| 0 | 1318 } |
| 1319 | |
| 1320 | |
| 1321 #ifdef ASSERT | |
| 1322 bool frame::verify_return_pc(address x) { | |
| 1323 if (StubRoutines::returns_to_call_stub(x)) { | |
| 1324 return true; | |
| 1325 } | |
| 1326 if (CodeCache::contains(x)) { | |
| 1327 return true; | |
| 1328 } | |
| 1329 if (Interpreter::contains(x)) { | |
| 1330 return true; | |
| 1331 } | |
| 1332 return false; | |
| 1333 } | |
| 1334 #endif | |
| 1335 | |
| 1336 #ifdef ASSERT | |
| 1337 void frame::interpreter_frame_verify_monitor(BasicObjectLock* value) const { | |
| 1338 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 1339 // verify that the value is in the right part of the frame | |
| 1340 address low_mark = (address) interpreter_frame_monitor_end(); | |
| 1341 address high_mark = (address) interpreter_frame_monitor_begin(); | |
| 1342 address current = (address) value; | |
| 1343 | |
| 1344 const int monitor_size = frame::interpreter_frame_monitor_size(); | |
| 1345 guarantee((high_mark - current) % monitor_size == 0 , "Misaligned top of BasicObjectLock*"); | |
| 1346 guarantee( high_mark > current , "Current BasicObjectLock* higher than high_mark"); | |
| 1347 | |
| 1348 guarantee((current - low_mark) % monitor_size == 0 , "Misaligned bottom of BasicObjectLock*"); | |
| 1349 guarantee( current >= low_mark , "Current BasicObjectLock* below than low_mark"); | |
| 1350 } | |
|
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1351 #endif |
|
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1352 |
|
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1353 #ifndef PRODUCT |
|
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1354 void frame::describe(FrameValues& values, int frame_no) { |
|
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1355 // boundaries: sp and the 'real' frame pointer |
|
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|
1356 values.describe(-1, sp(), err_msg("sp for #%d", frame_no), 1); |
|
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1357 intptr_t* frame_pointer = real_fp(); // Note: may differ from fp() |
|
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1358 |
|
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|
1359 // print frame info at the highest boundary |
|
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|
1360 intptr_t* info_address = MAX2(sp(), frame_pointer); |
|
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1361 |
|
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1362 if (info_address != frame_pointer) { |
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1363 // print frame_pointer explicitly if not marked by the frame info |
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1364 values.describe(-1, frame_pointer, err_msg("frame pointer for #%d", frame_no), 1); |
|
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1365 } |
|
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1366 |
|
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1367 if (is_entry_frame() || is_compiled_frame() || is_interpreted_frame() || is_native_frame()) { |
|
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1368 // Label values common to most frames |
|
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1369 values.describe(-1, unextended_sp(), err_msg("unextended_sp for #%d", frame_no)); |
|
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1370 } |
|
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1371 |
|
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1372 if (is_interpreted_frame()) { |
|
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1373 Method* m = interpreter_frame_method(); |
|
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1374 int bci = interpreter_frame_bci(); |
|
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1375 |
|
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|
1376 // Label the method and current bci |
|
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1377 values.describe(-1, info_address, |
|
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1378 FormatBuffer<1024>("#%d method %s @ %d", frame_no, m->name_and_sig_as_C_string(), bci), 2); |
|
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1379 values.describe(-1, info_address, |
|
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1380 err_msg("- %d locals %d max stack", m->max_locals(), m->max_stack()), 1); |
|
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1381 if (m->max_locals() > 0) { |
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|
1382 intptr_t* l0 = interpreter_frame_local_at(0); |
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1383 intptr_t* ln = interpreter_frame_local_at(m->max_locals() - 1); |
|
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|
1384 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
|
1385 // 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
|
1386 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
|
1387 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
|
1388 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
|
1389 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1390 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1391 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1392 // Compute the actual expression stack size |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1393 InterpreterOopMap mask; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1394 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
|
1395 intptr_t* tos = NULL; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1396 // 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
|
1397 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
|
1398 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
|
1399 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
|
1400 err_msg("stack %d", e)); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1401 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1402 if (tos != NULL) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1403 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
|
1404 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1405 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
|
1406 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
|
1407 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
|
1408 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1409 } else if (is_entry_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1410 // For now just label the frame |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1411 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
|
1412 } else if (is_compiled_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1413 // For now just label the frame |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1414 nmethod* nm = cb()->as_nmethod_or_null(); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1415 values.describe(-1, info_address, |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1416 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
|
1417 nm, nm->method()->name_and_sig_as_C_string(), |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1418 (_deopt_state == is_deoptimized) ? |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1419 " (deoptimized)" : |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1420 ((_deopt_state == unknown) ? " (state unknown)" : "")), |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1421 2); |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1422 } else if (is_native_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1423 // For now just label the frame |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1424 nmethod* nm = cb()->as_nmethod_or_null(); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1425 values.describe(-1, info_address, |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1426 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
|
1427 nm, nm->method()->name_and_sig_as_C_string()), 2); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1428 } else { |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1429 // provide default info if not handled before |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1430 char *info = (char *) "special frame"; |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1431 if ((_cb != NULL) && |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1432 (_cb->name() != NULL)) { |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1433 info = (char *)_cb->name(); |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1434 } |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1435 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
|
1436 } |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1437 |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
4806
diff
changeset
|
1438 // platform dependent additional data |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1439 describe_pd(values, frame_no); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1440 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1441 |
| 0 | 1442 #endif |
| 1443 | |
| 1444 | |
| 1445 //----------------------------------------------------------------------------------- | |
| 1446 // StackFrameStream implementation | |
| 1447 | |
| 1448 StackFrameStream::StackFrameStream(JavaThread *thread, bool update) : _reg_map(thread, update) { | |
| 1449 assert(thread->has_last_Java_frame(), "sanity check"); | |
| 1450 _fr = thread->last_frame(); | |
| 1451 _is_done = false; | |
| 1452 } | |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1453 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1454 |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1455 #ifndef PRODUCT |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1456 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1457 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
|
1458 FrameValue fv; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1459 fv.location = location; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1460 fv.owner = owner; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1461 fv.priority = priority; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1462 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
|
1463 strcpy(fv.description, description); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1464 _values.append(fv); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1465 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1466 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1467 |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1468 #ifdef ASSERT |
|
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1469 void FrameValues::validate() { |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1470 _values.sort(compare); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1471 bool error = false; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1472 FrameValue prev; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1473 prev.owner = -1; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1474 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
|
1475 FrameValue fv = _values.at(i); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1476 if (fv.owner == -1) continue; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1477 if (prev.owner == -1) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1478 prev = fv; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1479 continue; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1480 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1481 if (prev.location == fv.location) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1482 if (fv.owner != prev.owner) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1483 tty->print_cr("overlapping storage"); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1484 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
|
1485 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
|
1486 error = true; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1487 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1488 } else { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1489 prev = fv; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1490 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1491 } |
|
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
1492 assert(!error, "invalid layout"); |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1493 } |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
1494 #endif // ASSERT |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1495 |
|
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
diff
changeset
|
1496 void FrameValues::print(JavaThread* thread) { |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2192
diff
changeset
|
1497 _values.sort(compare); |
|
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1498 |
|
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1499 // 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
|
1500 // 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
|
1501 // 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
|
1502 int min_index = 0; |
|
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1503 int max_index = _values.length() - 1; |
|
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1504 intptr_t* v0 = _values.at(min_index).location; |
|
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3365
diff
changeset
|
1505 intptr_t* v1 = _values.at(max_index).location; |
|
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3369
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1506 |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1507 if (thread == Thread::current()) { |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1508 while (!thread->is_in_stack((address)v0)) { |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1509 v0 = _values.at(++min_index).location; |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1510 } |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1511 while (!thread->is_in_stack((address)v1)) { |
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1512 v1 = _values.at(--max_index).location; |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1513 } |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1514 } else { |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1515 while (!thread->on_local_stack((address)v0)) { |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1516 v0 = _values.at(++min_index).location; |
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1517 } |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1518 while (!thread->on_local_stack((address)v1)) { |
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1519 v1 = _values.at(--max_index).location; |
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1520 } |
|
3369
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7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
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1521 } |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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parents:
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1522 intptr_t* min = MIN2(v0, v1); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1523 intptr_t* max = MAX2(v0, v1); |
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2e038ad0c1d0
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1524 intptr_t* cur = max; |
|
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1525 intptr_t* last = NULL; |
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1526 for (int i = max_index; i >= min_index; i--) { |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1527 FrameValue fv = _values.at(i); |
|
2e038ad0c1d0
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|
1528 while (cur > fv.location) { |
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never
parents:
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1529 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT, cur, *cur); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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|
1530 cur--; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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|
1531 } |
|
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|
1532 if (last == fv.location) { |
|
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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|
1533 const char* spacer = " " LP64_ONLY(" "); |
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1534 tty->print_cr(" %s %s %s", spacer, spacer, fv.description); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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1535 } else { |
|
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|
1536 tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
|
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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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|
1537 last = fv.location; |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
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changeset
|
1538 cur--; |
|
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diff
changeset
|
1539 } |
|
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|
1540 } |
|
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|
1541 } |
|
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|
1542 |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
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changeset
|
1543 #endif // ndef PRODUCT |