Mercurial > hg > truffle
annotate src/cpu/zero/vm/frame_zero.cpp @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
| author | mikael |
|---|---|
| date | Tue, 24 Dec 2013 11:48:39 -0800 |
| parents | e16282db4946 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 1010 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc. |
| 1010 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
| 27 #include "code/scopeDesc.hpp" | |
| 28 #include "interpreter/interpreter.hpp" | |
| 29 #include "interpreter/interpreterRuntime.hpp" | |
| 30 #include "memory/resourceArea.hpp" | |
| 31 #include "oops/markOop.hpp" | |
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32 #include "oops/method.hpp" |
| 1972 | 33 #include "oops/oop.inline.hpp" |
| 34 #include "runtime/frame.inline.hpp" | |
| 35 #include "runtime/handles.inline.hpp" | |
| 36 #include "runtime/javaCalls.hpp" | |
| 37 #include "runtime/monitorChunk.hpp" | |
| 38 #include "runtime/signature.hpp" | |
| 39 #include "runtime/stubCodeGenerator.hpp" | |
| 40 #include "runtime/stubRoutines.hpp" | |
| 41 #include "vmreg_zero.inline.hpp" | |
| 42 #ifdef COMPILER1 | |
| 43 #include "c1/c1_Runtime1.hpp" | |
| 44 #include "runtime/vframeArray.hpp" | |
| 45 #endif | |
| 1010 | 46 |
| 47 #ifdef ASSERT | |
| 48 void RegisterMap::check_location_valid() { | |
| 49 ShouldNotCallThis(); | |
| 50 } | |
| 51 #endif | |
| 52 | |
| 53 bool frame::is_interpreted_frame() const { | |
| 54 return zeroframe()->is_interpreter_frame(); | |
| 55 } | |
| 56 | |
| 1512 | 57 bool frame::is_fake_stub_frame() const { |
| 58 return zeroframe()->is_fake_stub_frame(); | |
| 59 } | |
| 60 | |
| 1010 | 61 frame frame::sender_for_entry_frame(RegisterMap *map) const { |
| 1078 | 62 assert(zeroframe()->is_entry_frame(), "wrong type of frame"); |
| 1010 | 63 assert(map != NULL, "map must be set"); |
| 64 assert(!entry_frame_is_first(), "next Java fp must be non zero"); | |
| 65 assert(entry_frame_call_wrapper()->anchor()->last_Java_sp() == sender_sp(), | |
| 66 "sender should be next Java frame"); | |
| 67 map->clear(); | |
| 68 assert(map->include_argument_oops(), "should be set by clear"); | |
| 1505 | 69 return frame(zeroframe()->next(), sender_sp()); |
| 1010 | 70 } |
| 71 | |
| 1078 | 72 frame frame::sender_for_nonentry_frame(RegisterMap *map) const { |
| 73 assert(zeroframe()->is_interpreter_frame() || | |
| 74 zeroframe()->is_shark_frame() || | |
| 75 zeroframe()->is_fake_stub_frame(), "wrong type of frame"); | |
| 1505 | 76 return frame(zeroframe()->next(), sender_sp()); |
| 1010 | 77 } |
| 78 | |
| 79 frame frame::sender(RegisterMap* map) const { | |
| 80 // Default is not to follow arguments; the various | |
| 81 // sender_for_xxx methods update this accordingly. | |
| 82 map->set_include_argument_oops(false); | |
| 83 | |
| 84 if (is_entry_frame()) | |
| 85 return sender_for_entry_frame(map); | |
| 1078 | 86 else |
| 87 return sender_for_nonentry_frame(map); | |
| 1010 | 88 } |
| 89 | |
| 90 #ifdef CC_INTERP | |
| 91 BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
| 92 return get_interpreterState()->monitor_base(); | |
| 93 } | |
| 94 | |
| 95 BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
| 96 return (BasicObjectLock*) get_interpreterState()->stack_base(); | |
| 97 } | |
| 98 #endif // CC_INTERP | |
| 99 | |
| 100 void frame::patch_pc(Thread* thread, address pc) { | |
| 7599 | 101 |
| 102 if (pc != NULL) { | |
| 103 _cb = CodeCache::find_blob(pc); | |
| 104 SharkFrame* sharkframe = zeroframe()->as_shark_frame(); | |
| 105 sharkframe->set_pc(pc); | |
| 106 _pc = pc; | |
| 107 _deopt_state = is_deoptimized; | |
| 108 | |
| 109 } else { | |
| 110 // We borrow this call to set the thread pointer in the interpreter | |
| 111 // state; the hook to set up deoptimized frames isn't supplied it. | |
| 112 assert(pc == NULL, "should be"); | |
| 113 get_interpreterState()->set_thread((JavaThread *) thread); | |
| 114 } | |
| 1010 | 115 } |
| 116 | |
| 117 bool frame::safe_for_sender(JavaThread *thread) { | |
| 118 ShouldNotCallThis(); | |
| 12077 | 119 return false; |
| 1010 | 120 } |
| 121 | |
| 122 void frame::pd_gc_epilog() { | |
| 123 } | |
| 124 | |
| 125 bool frame::is_interpreted_frame_valid(JavaThread *thread) const { | |
| 126 ShouldNotCallThis(); | |
| 12077 | 127 return false; |
| 1010 | 128 } |
| 129 | |
| 130 BasicType frame::interpreter_frame_result(oop* oop_result, | |
| 131 jvalue* value_result) { | |
| 132 assert(is_interpreted_frame(), "interpreted frame expected"); | |
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133 Method* method = interpreter_frame_method(); |
| 1010 | 134 BasicType type = method->result_type(); |
| 135 intptr_t* tos_addr = (intptr_t *) interpreter_frame_tos_address(); | |
| 136 oop obj; | |
| 137 | |
| 138 switch (type) { | |
| 139 case T_VOID: | |
| 140 break; | |
| 141 case T_BOOLEAN: | |
| 142 value_result->z = *(jboolean *) tos_addr; | |
| 143 break; | |
| 144 case T_BYTE: | |
| 145 value_result->b = *(jbyte *) tos_addr; | |
| 146 break; | |
| 147 case T_CHAR: | |
| 148 value_result->c = *(jchar *) tos_addr; | |
| 149 break; | |
| 150 case T_SHORT: | |
| 151 value_result->s = *(jshort *) tos_addr; | |
| 152 break; | |
| 153 case T_INT: | |
| 154 value_result->i = *(jint *) tos_addr; | |
| 155 break; | |
| 156 case T_LONG: | |
| 157 value_result->j = *(jlong *) tos_addr; | |
| 158 break; | |
| 159 case T_FLOAT: | |
| 160 value_result->f = *(jfloat *) tos_addr; | |
| 161 break; | |
| 162 case T_DOUBLE: | |
| 163 value_result->d = *(jdouble *) tos_addr; | |
| 164 break; | |
| 165 | |
| 166 case T_OBJECT: | |
| 167 case T_ARRAY: | |
| 168 if (method->is_native()) { | |
| 169 obj = get_interpreterState()->oop_temp(); | |
| 170 } | |
| 171 else { | |
| 172 oop* obj_p = (oop *) tos_addr; | |
| 173 obj = (obj_p == NULL) ? (oop) NULL : *obj_p; | |
| 174 } | |
| 175 assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); | |
| 176 *oop_result = obj; | |
| 177 break; | |
| 178 | |
| 179 default: | |
| 180 ShouldNotReachHere(); | |
| 181 } | |
| 182 | |
| 183 return type; | |
| 184 } | |
| 185 | |
| 186 int frame::frame_size(RegisterMap* map) const { | |
| 187 #ifdef PRODUCT | |
| 188 ShouldNotCallThis(); | |
| 12077 | 189 #endif // PRODUCT |
| 1010 | 190 return 0; // make javaVFrame::print_value work |
| 191 } | |
| 192 | |
| 193 intptr_t* frame::interpreter_frame_tos_at(jint offset) const { | |
| 194 int index = (Interpreter::expr_offset_in_bytes(offset) / wordSize); | |
| 195 return &interpreter_frame_tos_address()[index]; | |
| 196 } | |
| 197 | |
| 198 void frame::zero_print_on_error(int frame_index, | |
| 199 outputStream* st, | |
| 200 char* buf, | |
| 201 int buflen) const { | |
| 202 // Divide the buffer between the field and the value | |
| 203 buflen >>= 1; | |
| 204 char *fieldbuf = buf; | |
| 205 char *valuebuf = buf + buflen; | |
| 206 | |
| 207 // Print each word of the frame | |
| 1505 | 208 for (intptr_t *addr = sp(); addr <= fp(); addr++) { |
| 209 int offset = fp() - addr; | |
| 1010 | 210 |
| 211 // Fill in default values, then try and improve them | |
| 212 snprintf(fieldbuf, buflen, "word[%d]", offset); | |
| 213 snprintf(valuebuf, buflen, PTR_FORMAT, *addr); | |
| 214 zeroframe()->identify_word(frame_index, offset, fieldbuf, valuebuf, buflen); | |
| 215 fieldbuf[buflen - 1] = '\0'; | |
| 216 valuebuf[buflen - 1] = '\0'; | |
| 217 | |
| 218 // Print the result | |
| 219 st->print_cr(" " PTR_FORMAT ": %-21s = %s", addr, fieldbuf, valuebuf); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 void ZeroFrame::identify_word(int frame_index, | |
| 224 int offset, | |
| 225 char* fieldbuf, | |
| 226 char* valuebuf, | |
| 227 int buflen) const { | |
| 228 switch (offset) { | |
| 229 case next_frame_off: | |
| 230 strncpy(fieldbuf, "next_frame", buflen); | |
| 231 break; | |
| 232 | |
| 233 case frame_type_off: | |
| 234 strncpy(fieldbuf, "frame_type", buflen); | |
| 235 if (is_entry_frame()) | |
| 236 strncpy(valuebuf, "ENTRY_FRAME", buflen); | |
| 237 else if (is_interpreter_frame()) | |
| 238 strncpy(valuebuf, "INTERPRETER_FRAME", buflen); | |
| 239 else if (is_shark_frame()) | |
| 240 strncpy(valuebuf, "SHARK_FRAME", buflen); | |
| 241 else if (is_fake_stub_frame()) | |
| 242 strncpy(valuebuf, "FAKE_STUB_FRAME", buflen); | |
| 243 break; | |
| 244 | |
| 245 default: | |
| 246 if (is_entry_frame()) { | |
| 247 as_entry_frame()->identify_word( | |
| 248 frame_index, offset, fieldbuf, valuebuf, buflen); | |
| 249 } | |
| 250 else if (is_interpreter_frame()) { | |
| 251 as_interpreter_frame()->identify_word( | |
| 252 frame_index, offset, fieldbuf, valuebuf, buflen); | |
| 253 } | |
| 254 else if (is_shark_frame()) { | |
| 255 as_shark_frame()->identify_word( | |
| 256 frame_index, offset, fieldbuf, valuebuf, buflen); | |
| 257 } | |
| 258 else if (is_fake_stub_frame()) { | |
| 259 as_fake_stub_frame()->identify_word( | |
| 260 frame_index, offset, fieldbuf, valuebuf, buflen); | |
| 261 } | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 void EntryFrame::identify_word(int frame_index, | |
| 266 int offset, | |
| 267 char* fieldbuf, | |
| 268 char* valuebuf, | |
| 269 int buflen) const { | |
| 270 switch (offset) { | |
| 271 case call_wrapper_off: | |
| 272 strncpy(fieldbuf, "call_wrapper", buflen); | |
| 273 break; | |
| 274 | |
| 275 default: | |
| 276 snprintf(fieldbuf, buflen, "local[%d]", offset - 3); | |
| 277 } | |
| 278 } | |
| 279 | |
| 280 void InterpreterFrame::identify_word(int frame_index, | |
| 281 int offset, | |
| 282 char* fieldbuf, | |
| 283 char* valuebuf, | |
| 284 int buflen) const { | |
| 285 interpreterState istate = interpreter_state(); | |
| 286 bool is_valid = istate->self_link() == istate; | |
| 287 intptr_t *addr = addr_of_word(offset); | |
| 288 | |
| 289 // Fixed part | |
| 290 if (addr >= (intptr_t *) istate) { | |
| 291 const char *field = istate->name_of_field_at_address((address) addr); | |
| 292 if (field) { | |
| 293 if (is_valid && !strcmp(field, "_method")) { | |
| 294 istate->method()->name_and_sig_as_C_string(valuebuf, buflen); | |
| 295 } | |
| 296 else if (is_valid && !strcmp(field, "_bcp") && istate->bcp()) { | |
| 297 snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)", | |
| 298 (intptr_t) istate->bcp(), | |
| 299 istate->method()->bci_from(istate->bcp())); | |
| 300 } | |
| 301 snprintf(fieldbuf, buflen, "%sistate->%s", | |
| 302 field[strlen(field) - 1] == ')' ? "(": "", field); | |
| 303 } | |
| 304 else if (addr == (intptr_t *) istate) { | |
| 305 strncpy(fieldbuf, "(vtable for istate)", buflen); | |
| 306 } | |
| 307 return; | |
| 308 } | |
| 309 | |
| 310 // Variable part | |
| 311 if (!is_valid) | |
| 312 return; | |
| 313 | |
| 314 // JNI stuff | |
| 315 if (istate->method()->is_native() && addr < istate->stack_base()) { | |
| 316 address hA = istate->method()->signature_handler(); | |
| 317 if (hA != NULL) { | |
| 318 if (hA != (address) InterpreterRuntime::slow_signature_handler) { | |
| 319 InterpreterRuntime::SignatureHandler *handler = | |
| 320 InterpreterRuntime::SignatureHandler::from_handlerAddr(hA); | |
| 321 | |
| 322 intptr_t *params = istate->stack_base() - handler->argument_count(); | |
| 323 if (addr >= params) { | |
| 324 int param = addr - params; | |
| 325 const char *desc = ""; | |
| 326 if (param == 0) | |
| 327 desc = " (JNIEnv)"; | |
| 328 else if (param == 1) { | |
| 329 if (istate->method()->is_static()) | |
| 330 desc = " (mirror)"; | |
| 331 else | |
| 332 desc = " (this)"; | |
| 333 } | |
| 334 snprintf(fieldbuf, buflen, "parameter[%d]%s", param, desc); | |
| 335 return; | |
| 336 } | |
| 337 | |
| 338 for (int i = 0; i < handler->argument_count(); i++) { | |
| 339 if (params[i] == (intptr_t) addr) { | |
| 340 snprintf(fieldbuf, buflen, "unboxed parameter[%d]", i); | |
| 341 return; | |
| 342 } | |
| 343 } | |
| 344 } | |
| 345 } | |
| 346 return; | |
| 347 } | |
| 348 | |
| 349 // Monitors and stack | |
| 350 identify_vp_word(frame_index, addr, | |
| 351 (intptr_t *) istate->monitor_base(), | |
| 352 istate->stack_base(), | |
| 353 fieldbuf, buflen); | |
| 354 } | |
| 355 | |
| 356 void SharkFrame::identify_word(int frame_index, | |
| 357 int offset, | |
| 358 char* fieldbuf, | |
| 359 char* valuebuf, | |
| 360 int buflen) const { | |
| 361 // Fixed part | |
| 362 switch (offset) { | |
| 363 case pc_off: | |
| 364 strncpy(fieldbuf, "pc", buflen); | |
| 6926 | 365 if (method()->is_method()) { |
| 1010 | 366 nmethod *code = method()->code(); |
| 367 if (code && code->pc_desc_at(pc())) { | |
| 368 SimpleScopeDesc ssd(code, pc()); | |
| 369 snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)", | |
| 370 (intptr_t) pc(), ssd.bci()); | |
| 371 } | |
| 372 } | |
| 373 return; | |
| 374 | |
| 375 case unextended_sp_off: | |
| 376 strncpy(fieldbuf, "unextended_sp", buflen); | |
| 377 return; | |
| 378 | |
| 379 case method_off: | |
| 380 strncpy(fieldbuf, "method", buflen); | |
| 6926 | 381 if (method()->is_method()) { |
| 1010 | 382 method()->name_and_sig_as_C_string(valuebuf, buflen); |
| 383 } | |
| 384 return; | |
| 385 | |
| 386 case oop_tmp_off: | |
| 387 strncpy(fieldbuf, "oop_tmp", buflen); | |
| 388 return; | |
| 389 } | |
| 390 | |
| 391 // Variable part | |
| 6926 | 392 if (method()->is_method()) { |
| 1010 | 393 identify_vp_word(frame_index, addr_of_word(offset), |
| 394 addr_of_word(header_words + 1), | |
| 395 unextended_sp() + method()->max_stack(), | |
| 396 fieldbuf, buflen); | |
| 397 } | |
| 398 } | |
| 399 | |
| 400 void ZeroFrame::identify_vp_word(int frame_index, | |
| 401 intptr_t* addr, | |
| 402 intptr_t* monitor_base, | |
| 403 intptr_t* stack_base, | |
| 404 char* fieldbuf, | |
| 405 int buflen) const { | |
| 406 // Monitors | |
| 407 if (addr >= stack_base && addr < monitor_base) { | |
| 408 int monitor_size = frame::interpreter_frame_monitor_size(); | |
| 409 int last_index = (monitor_base - stack_base) / monitor_size - 1; | |
| 410 int index = last_index - (addr - stack_base) / monitor_size; | |
| 411 intptr_t monitor = (intptr_t) ( | |
| 412 (BasicObjectLock *) monitor_base - 1 - index); | |
| 413 intptr_t offset = (intptr_t) addr - monitor; | |
| 414 | |
| 415 if (offset == BasicObjectLock::obj_offset_in_bytes()) | |
| 416 snprintf(fieldbuf, buflen, "monitor[%d]->_obj", index); | |
| 417 else if (offset == BasicObjectLock::lock_offset_in_bytes()) | |
| 418 snprintf(fieldbuf, buflen, "monitor[%d]->_lock", index); | |
| 419 | |
| 420 return; | |
| 421 } | |
| 422 | |
| 423 // Expression stack | |
| 424 if (addr < stack_base) { | |
| 425 snprintf(fieldbuf, buflen, "%s[%d]", | |
| 426 frame_index == 0 ? "stack_word" : "local", | |
| 427 (int) (stack_base - addr - 1)); | |
| 428 return; | |
| 429 } | |
| 430 } | |
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431 |
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432 #ifndef PRODUCT |
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433 |
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434 void frame::describe_pd(FrameValues& values, int frame_no) { |
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435 |
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436 } |
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437 |
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438 #endif |
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439 |
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440 intptr_t *frame::initial_deoptimization_info() { |
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441 // unused... but returns fp() to minimize changes introduced by 7087445 |
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442 return fp(); |
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443 } |