Mercurial > hg > truffle
annotate src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 4759:127b3692c168
7116452: Add support for AVX instructions
Summary: Added support for AVX extension to the x86 instruction set.
Reviewed-by: never
| author | kvn |
|---|---|
| date | Wed, 14 Dec 2011 14:54:38 -0800 |
| parents | b20d64f83668 |
| children | dca455dea3a7 069ab3f976d3 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
2118
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
2 * Copyright (c) 2003, 2011, 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "asm/assembler.hpp" | |
| 27 #include "interpreter/bytecodeHistogram.hpp" | |
| 28 #include "interpreter/interpreter.hpp" | |
| 29 #include "interpreter/interpreterGenerator.hpp" | |
| 30 #include "interpreter/interpreterRuntime.hpp" | |
| 31 #include "interpreter/templateTable.hpp" | |
| 32 #include "oops/arrayOop.hpp" | |
| 33 #include "oops/methodDataOop.hpp" | |
| 34 #include "oops/methodOop.hpp" | |
| 35 #include "oops/oop.inline.hpp" | |
| 36 #include "prims/jvmtiExport.hpp" | |
| 37 #include "prims/jvmtiThreadState.hpp" | |
| 38 #include "runtime/arguments.hpp" | |
| 39 #include "runtime/deoptimization.hpp" | |
| 40 #include "runtime/frame.inline.hpp" | |
| 41 #include "runtime/sharedRuntime.hpp" | |
| 42 #include "runtime/stubRoutines.hpp" | |
| 43 #include "runtime/synchronizer.hpp" | |
| 44 #include "runtime/timer.hpp" | |
| 45 #include "runtime/vframeArray.hpp" | |
| 46 #include "utilities/debug.hpp" | |
| 0 | 47 |
| 48 #define __ _masm-> | |
| 49 | |
| 304 | 50 #ifndef CC_INTERP |
| 51 | |
| 0 | 52 const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
| 53 const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; | |
| 54 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; | |
| 55 | |
| 56 //----------------------------------------------------------------------------- | |
| 57 | |
| 58 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { | |
| 59 address entry = __ pc(); | |
| 60 | |
| 61 #ifdef ASSERT | |
| 62 { | |
| 63 Label L; | |
| 304 | 64 __ lea(rax, Address(rbp, |
| 65 frame::interpreter_frame_monitor_block_top_offset * | |
| 66 wordSize)); | |
| 67 __ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack | |
| 68 // grows negative) | |
| 0 | 69 __ jcc(Assembler::aboveEqual, L); // check if frame is complete |
| 70 __ stop ("interpreter frame not set up"); | |
| 71 __ bind(L); | |
| 72 } | |
| 73 #endif // ASSERT | |
| 74 // Restore bcp under the assumption that the current frame is still | |
| 75 // interpreted | |
| 76 __ restore_bcp(); | |
| 77 | |
| 78 // expression stack must be empty before entering the VM if an | |
| 79 // exception happened | |
| 80 __ empty_expression_stack(); | |
| 81 // throw exception | |
| 82 __ call_VM(noreg, | |
| 83 CAST_FROM_FN_PTR(address, | |
| 84 InterpreterRuntime::throw_StackOverflowError)); | |
| 85 return entry; | |
| 86 } | |
| 87 | |
| 88 address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( | |
| 89 const char* name) { | |
| 90 address entry = __ pc(); | |
| 91 // expression stack must be empty before entering the VM if an | |
| 92 // exception happened | |
| 93 __ empty_expression_stack(); | |
| 94 // setup parameters | |
| 95 // ??? convention: expect aberrant index in register ebx | |
| 96 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 97 __ call_VM(noreg, | |
| 98 CAST_FROM_FN_PTR(address, | |
| 99 InterpreterRuntime:: | |
| 100 throw_ArrayIndexOutOfBoundsException), | |
| 101 c_rarg1, rbx); | |
| 102 return entry; | |
| 103 } | |
| 104 | |
| 105 address TemplateInterpreterGenerator::generate_ClassCastException_handler() { | |
| 106 address entry = __ pc(); | |
| 107 | |
| 108 // object is at TOS | |
| 304 | 109 __ pop(c_rarg1); |
| 0 | 110 |
| 111 // expression stack must be empty before entering the VM if an | |
| 112 // exception happened | |
| 113 __ empty_expression_stack(); | |
| 114 | |
| 115 __ call_VM(noreg, | |
| 116 CAST_FROM_FN_PTR(address, | |
| 117 InterpreterRuntime:: | |
| 118 throw_ClassCastException), | |
| 119 c_rarg1); | |
| 120 return entry; | |
| 121 } | |
| 122 | |
| 123 address TemplateInterpreterGenerator::generate_exception_handler_common( | |
| 124 const char* name, const char* message, bool pass_oop) { | |
| 125 assert(!pass_oop || message == NULL, "either oop or message but not both"); | |
| 126 address entry = __ pc(); | |
| 127 if (pass_oop) { | |
| 128 // object is at TOS | |
| 304 | 129 __ pop(c_rarg2); |
| 0 | 130 } |
| 131 // expression stack must be empty before entering the VM if an | |
| 132 // exception happened | |
| 133 __ empty_expression_stack(); | |
| 134 // setup parameters | |
| 135 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 136 if (pass_oop) { | |
| 137 __ call_VM(rax, CAST_FROM_FN_PTR(address, | |
| 138 InterpreterRuntime:: | |
| 139 create_klass_exception), | |
| 140 c_rarg1, c_rarg2); | |
| 141 } else { | |
| 142 // kind of lame ExternalAddress can't take NULL because | |
| 143 // external_word_Relocation will assert. | |
| 144 if (message != NULL) { | |
| 145 __ lea(c_rarg2, ExternalAddress((address)message)); | |
| 146 } else { | |
| 147 __ movptr(c_rarg2, NULL_WORD); | |
| 148 } | |
| 149 __ call_VM(rax, | |
| 150 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), | |
| 151 c_rarg1, c_rarg2); | |
| 152 } | |
| 153 // throw exception | |
| 154 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); | |
| 155 return entry; | |
| 156 } | |
| 157 | |
| 158 | |
| 159 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { | |
| 160 address entry = __ pc(); | |
| 161 // NULL last_sp until next java call | |
| 304 | 162 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 163 __ dispatch_next(state); |
| 164 return entry; | |
| 165 } | |
| 166 | |
| 167 | |
|
2245
638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
twisti
parents:
2141
diff
changeset
|
168 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) { |
| 0 | 169 address entry = __ pc(); |
| 170 | |
| 171 // Restore stack bottom in case i2c adjusted stack | |
| 304 | 172 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 0 | 173 // and NULL it as marker that esp is now tos until next java call |
| 304 | 174 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 175 |
| 176 __ restore_bcp(); | |
| 177 __ restore_locals(); | |
| 304 | 178 |
| 1108 | 179 Label L_got_cache, L_giant_index; |
| 180 if (EnableInvokeDynamic) { | |
| 181 __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic); | |
| 182 __ jcc(Assembler::equal, L_giant_index); | |
| 183 } | |
| 1565 | 184 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2)); |
| 1108 | 185 __ bind(L_got_cache); |
| 0 | 186 __ movl(rbx, Address(rbx, rcx, |
| 1108 | 187 Address::times_ptr, |
| 0 | 188 in_bytes(constantPoolCacheOopDesc::base_offset()) + |
| 189 3 * wordSize)); | |
| 190 __ andl(rbx, 0xFF); | |
| 304 | 191 __ lea(rsp, Address(rsp, rbx, Address::times_8)); |
| 0 | 192 __ dispatch_next(state, step); |
| 1108 | 193 |
| 194 // out of the main line of code... | |
| 195 if (EnableInvokeDynamic) { | |
| 196 __ bind(L_giant_index); | |
| 1565 | 197 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4)); |
| 1108 | 198 __ jmp(L_got_cache); |
| 199 } | |
| 200 | |
| 0 | 201 return entry; |
| 202 } | |
| 203 | |
| 204 | |
| 205 address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, | |
| 206 int step) { | |
| 207 address entry = __ pc(); | |
| 208 // NULL last_sp until next java call | |
| 304 | 209 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 210 __ restore_bcp(); |
| 211 __ restore_locals(); | |
| 212 // handle exceptions | |
| 213 { | |
| 214 Label L; | |
| 304 | 215 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 216 __ jcc(Assembler::zero, L); |
| 217 __ call_VM(noreg, | |
| 218 CAST_FROM_FN_PTR(address, | |
| 219 InterpreterRuntime::throw_pending_exception)); | |
| 220 __ should_not_reach_here(); | |
| 221 __ bind(L); | |
| 222 } | |
| 223 __ dispatch_next(state, step); | |
| 224 return entry; | |
| 225 } | |
| 226 | |
| 227 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 228 int i = 0; | |
| 229 switch (type) { | |
| 230 case T_BOOLEAN: i = 0; break; | |
| 231 case T_CHAR : i = 1; break; | |
| 232 case T_BYTE : i = 2; break; | |
| 233 case T_SHORT : i = 3; break; | |
| 234 case T_INT : i = 4; break; | |
| 235 case T_LONG : i = 5; break; | |
| 236 case T_VOID : i = 6; break; | |
| 237 case T_FLOAT : i = 7; break; | |
| 238 case T_DOUBLE : i = 8; break; | |
| 239 case T_OBJECT : i = 9; break; | |
| 240 case T_ARRAY : i = 9; break; | |
| 241 default : ShouldNotReachHere(); | |
| 242 } | |
| 243 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 244 "index out of bounds"); | |
| 245 return i; | |
| 246 } | |
| 247 | |
| 248 | |
| 249 address TemplateInterpreterGenerator::generate_result_handler_for( | |
| 250 BasicType type) { | |
| 251 address entry = __ pc(); | |
| 252 switch (type) { | |
| 253 case T_BOOLEAN: __ c2bool(rax); break; | |
| 254 case T_CHAR : __ movzwl(rax, rax); break; | |
| 255 case T_BYTE : __ sign_extend_byte(rax); break; | |
| 256 case T_SHORT : __ sign_extend_short(rax); break; | |
| 257 case T_INT : /* nothing to do */ break; | |
| 258 case T_LONG : /* nothing to do */ break; | |
| 259 case T_VOID : /* nothing to do */ break; | |
| 260 case T_FLOAT : /* nothing to do */ break; | |
| 261 case T_DOUBLE : /* nothing to do */ break; | |
| 262 case T_OBJECT : | |
| 263 // retrieve result from frame | |
| 304 | 264 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
| 0 | 265 // and verify it |
| 266 __ verify_oop(rax); | |
| 267 break; | |
| 268 default : ShouldNotReachHere(); | |
| 269 } | |
| 270 __ ret(0); // return from result handler | |
| 271 return entry; | |
| 272 } | |
| 273 | |
| 274 address TemplateInterpreterGenerator::generate_safept_entry_for( | |
| 275 TosState state, | |
| 276 address runtime_entry) { | |
| 277 address entry = __ pc(); | |
| 278 __ push(state); | |
| 279 __ call_VM(noreg, runtime_entry); | |
| 280 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); | |
| 281 return entry; | |
| 282 } | |
| 283 | |
| 284 | |
| 285 | |
| 286 // Helpers for commoning out cases in the various type of method entries. | |
| 287 // | |
| 288 | |
| 289 | |
| 290 // increment invocation count & check for overflow | |
| 291 // | |
| 292 // Note: checking for negative value instead of overflow | |
| 293 // so we have a 'sticky' overflow test | |
| 294 // | |
| 295 // rbx: method | |
| 296 // ecx: invocation counter | |
| 297 // | |
| 298 void InterpreterGenerator::generate_counter_incr( | |
| 299 Label* overflow, | |
| 300 Label* profile_method, | |
| 301 Label* profile_method_continue) { | |
| 1783 | 302 const Address invocation_counter(rbx, in_bytes(methodOopDesc::invocation_counter_offset()) + |
| 303 in_bytes(InvocationCounter::counter_offset())); | |
| 304 // Note: In tiered we increment either counters in methodOop or in MDO depending if we're profiling or not. | |
| 305 if (TieredCompilation) { | |
| 306 int increment = InvocationCounter::count_increment; | |
| 307 int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
| 308 Label no_mdo, done; | |
| 309 if (ProfileInterpreter) { | |
| 310 // Are we profiling? | |
| 311 __ movptr(rax, Address(rbx, methodOopDesc::method_data_offset())); | |
| 312 __ testptr(rax, rax); | |
| 313 __ jccb(Assembler::zero, no_mdo); | |
| 314 // Increment counter in the MDO | |
| 315 const Address mdo_invocation_counter(rax, in_bytes(methodDataOopDesc::invocation_counter_offset()) + | |
| 316 in_bytes(InvocationCounter::counter_offset())); | |
| 317 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); | |
| 318 __ jmpb(done); | |
| 319 } | |
| 320 __ bind(no_mdo); | |
| 321 // Increment counter in methodOop (we don't need to load it, it's in ecx). | |
| 322 __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, true, Assembler::zero, overflow); | |
| 323 __ bind(done); | |
| 324 } else { | |
| 325 const Address backedge_counter(rbx, | |
| 326 methodOopDesc::backedge_counter_offset() + | |
| 0 | 327 InvocationCounter::counter_offset()); |
| 328 | |
| 1783 | 329 if (ProfileInterpreter) { // %%% Merge this into methodDataOop |
| 330 __ incrementl(Address(rbx, | |
| 331 methodOopDesc::interpreter_invocation_counter_offset())); | |
| 332 } | |
| 333 // Update standard invocation counters | |
| 334 __ movl(rax, backedge_counter); // load backedge counter | |
| 0 | 335 |
| 1783 | 336 __ incrementl(rcx, InvocationCounter::count_increment); |
| 337 __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits | |
| 0 | 338 |
| 1783 | 339 __ movl(invocation_counter, rcx); // save invocation count |
| 340 __ addl(rcx, rax); // add both counters | |
| 0 | 341 |
| 1783 | 342 // profile_method is non-null only for interpreted method so |
| 343 // profile_method != NULL == !native_call | |
| 344 | |
| 345 if (ProfileInterpreter && profile_method != NULL) { | |
| 346 // Test to see if we should create a method data oop | |
| 347 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); | |
| 348 __ jcc(Assembler::less, *profile_method_continue); | |
| 0 | 349 |
| 1783 | 350 // if no method data exists, go to profile_method |
| 351 __ test_method_data_pointer(rax, *profile_method); | |
| 352 } | |
| 353 | |
| 354 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); | |
| 355 __ jcc(Assembler::aboveEqual, *overflow); | |
| 0 | 356 } |
| 357 } | |
| 358 | |
| 359 void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { | |
| 360 | |
| 361 // Asm interpreter on entry | |
| 362 // r14 - locals | |
| 363 // r13 - bcp | |
| 364 // rbx - method | |
| 365 // edx - cpool --- DOES NOT APPEAR TO BE TRUE | |
| 366 // rbp - interpreter frame | |
| 367 | |
| 368 // On return (i.e. jump to entry_point) [ back to invocation of interpreter ] | |
| 369 // Everything as it was on entry | |
| 370 // rdx is not restored. Doesn't appear to really be set. | |
| 371 | |
| 372 const Address size_of_parameters(rbx, | |
| 373 methodOopDesc::size_of_parameters_offset()); | |
| 374 | |
| 375 // InterpreterRuntime::frequency_counter_overflow takes two | |
| 376 // arguments, the first (thread) is passed by call_VM, the second | |
| 377 // indicates if the counter overflow occurs at a backwards branch | |
| 378 // (NULL bcp). We pass zero for it. The call returns the address | |
| 379 // of the verified entry point for the method or NULL if the | |
| 380 // compilation did not complete (either went background or bailed | |
| 381 // out). | |
| 382 __ movl(c_rarg1, 0); | |
| 383 __ call_VM(noreg, | |
| 384 CAST_FROM_FN_PTR(address, | |
| 385 InterpreterRuntime::frequency_counter_overflow), | |
| 386 c_rarg1); | |
| 387 | |
| 304 | 388 __ movptr(rbx, Address(rbp, method_offset)); // restore methodOop |
| 0 | 389 // Preserve invariant that r13/r14 contain bcp/locals of sender frame |
| 390 // and jump to the interpreted entry. | |
| 391 __ jmp(*do_continue, relocInfo::none); | |
| 392 } | |
| 393 | |
| 394 // See if we've got enough room on the stack for locals plus overhead. | |
| 395 // The expression stack grows down incrementally, so the normal guard | |
| 396 // page mechanism will work for that. | |
| 397 // | |
| 398 // NOTE: Since the additional locals are also always pushed (wasn't | |
| 399 // obvious in generate_method_entry) so the guard should work for them | |
| 400 // too. | |
| 401 // | |
| 402 // Args: | |
| 403 // rdx: number of additional locals this frame needs (what we must check) | |
| 404 // rbx: methodOop | |
| 405 // | |
| 406 // Kills: | |
| 407 // rax | |
| 408 void InterpreterGenerator::generate_stack_overflow_check(void) { | |
| 409 | |
| 410 // monitor entry size: see picture of stack set | |
| 411 // (generate_method_entry) and frame_amd64.hpp | |
| 412 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 413 | |
| 414 // total overhead size: entry_size + (saved rbp through expr stack | |
| 415 // bottom). be sure to change this if you add/subtract anything | |
| 416 // to/from the overhead area | |
| 417 const int overhead_size = | |
| 418 -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; | |
| 419 | |
| 420 const int page_size = os::vm_page_size(); | |
| 421 | |
| 422 Label after_frame_check; | |
| 423 | |
| 424 // see if the frame is greater than one page in size. If so, | |
| 425 // then we need to verify there is enough stack space remaining | |
| 426 // for the additional locals. | |
| 1506 | 427 __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
| 0 | 428 __ jcc(Assembler::belowEqual, after_frame_check); |
| 429 | |
| 430 // compute rsp as if this were going to be the last frame on | |
| 431 // the stack before the red zone | |
| 432 | |
| 433 const Address stack_base(r15_thread, Thread::stack_base_offset()); | |
| 434 const Address stack_size(r15_thread, Thread::stack_size_offset()); | |
| 435 | |
| 436 // locals + overhead, in bytes | |
| 304 | 437 __ mov(rax, rdx); |
| 1506 | 438 __ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
| 304 | 439 __ addptr(rax, overhead_size); |
| 0 | 440 |
| 441 #ifdef ASSERT | |
| 442 Label stack_base_okay, stack_size_okay; | |
| 443 // verify that thread stack base is non-zero | |
| 304 | 444 __ cmpptr(stack_base, (int32_t)NULL_WORD); |
| 0 | 445 __ jcc(Assembler::notEqual, stack_base_okay); |
| 446 __ stop("stack base is zero"); | |
| 447 __ bind(stack_base_okay); | |
| 448 // verify that thread stack size is non-zero | |
| 304 | 449 __ cmpptr(stack_size, 0); |
| 0 | 450 __ jcc(Assembler::notEqual, stack_size_okay); |
| 451 __ stop("stack size is zero"); | |
| 452 __ bind(stack_size_okay); | |
| 453 #endif | |
| 454 | |
| 455 // Add stack base to locals and subtract stack size | |
| 304 | 456 __ addptr(rax, stack_base); |
| 457 __ subptr(rax, stack_size); | |
| 0 | 458 |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
459 // Use the maximum number of pages we might bang. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
460 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
461 (StackRedPages+StackYellowPages); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
462 |
| 0 | 463 // add in the red and yellow zone sizes |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
464 __ addptr(rax, max_pages * page_size); |
| 0 | 465 |
| 466 // check against the current stack bottom | |
| 304 | 467 __ cmpptr(rsp, rax); |
| 0 | 468 __ jcc(Assembler::above, after_frame_check); |
| 469 | |
| 304 | 470 __ pop(rax); // get return address |
| 0 | 471 __ jump(ExternalAddress(Interpreter::throw_StackOverflowError_entry())); |
| 472 | |
| 473 // all done with frame size check | |
| 474 __ bind(after_frame_check); | |
| 475 } | |
| 476 | |
| 477 // Allocate monitor and lock method (asm interpreter) | |
| 478 // | |
| 479 // Args: | |
| 480 // rbx: methodOop | |
| 481 // r14: locals | |
| 482 // | |
| 483 // Kills: | |
| 484 // rax | |
| 485 // c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) | |
| 486 // rscratch1, rscratch2 (scratch regs) | |
| 487 void InterpreterGenerator::lock_method(void) { | |
| 488 // synchronize method | |
| 489 const Address access_flags(rbx, methodOopDesc::access_flags_offset()); | |
| 490 const Address monitor_block_top( | |
| 491 rbp, | |
| 492 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 493 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 494 | |
| 495 #ifdef ASSERT | |
| 496 { | |
| 497 Label L; | |
| 498 __ movl(rax, access_flags); | |
| 499 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 500 __ jcc(Assembler::notZero, L); | |
| 501 __ stop("method doesn't need synchronization"); | |
| 502 __ bind(L); | |
| 503 } | |
| 504 #endif // ASSERT | |
| 505 | |
| 506 // get synchronization object | |
| 507 { | |
| 508 const int mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + | |
| 509 Klass::java_mirror_offset_in_bytes(); | |
| 510 Label done; | |
| 511 __ movl(rax, access_flags); | |
| 512 __ testl(rax, JVM_ACC_STATIC); | |
| 513 // get receiver (assume this is frequent case) | |
| 304 | 514 __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
| 0 | 515 __ jcc(Assembler::zero, done); |
| 304 | 516 __ movptr(rax, Address(rbx, methodOopDesc::constants_offset())); |
| 517 __ movptr(rax, Address(rax, | |
| 518 constantPoolOopDesc::pool_holder_offset_in_bytes())); | |
| 519 __ movptr(rax, Address(rax, mirror_offset)); | |
| 0 | 520 |
| 521 #ifdef ASSERT | |
| 522 { | |
| 523 Label L; | |
| 304 | 524 __ testptr(rax, rax); |
| 0 | 525 __ jcc(Assembler::notZero, L); |
| 526 __ stop("synchronization object is NULL"); | |
| 527 __ bind(L); | |
| 528 } | |
| 529 #endif // ASSERT | |
| 530 | |
| 531 __ bind(done); | |
| 532 } | |
| 533 | |
| 534 // add space for monitor & lock | |
| 304 | 535 __ subptr(rsp, entry_size); // add space for a monitor entry |
| 536 __ movptr(monitor_block_top, rsp); // set new monitor block top | |
| 0 | 537 // store object |
| 304 | 538 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
| 539 __ movptr(c_rarg1, rsp); // object address | |
| 0 | 540 __ lock_object(c_rarg1); |
| 541 } | |
| 542 | |
| 543 // Generate a fixed interpreter frame. This is identical setup for | |
| 544 // interpreted methods and for native methods hence the shared code. | |
| 545 // | |
| 546 // Args: | |
| 547 // rax: return address | |
| 548 // rbx: methodOop | |
| 549 // r14: pointer to locals | |
| 550 // r13: sender sp | |
| 551 // rdx: cp cache | |
| 552 void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { | |
| 553 // initialize fixed part of activation frame | |
| 304 | 554 __ push(rax); // save return address |
| 0 | 555 __ enter(); // save old & set new rbp |
| 304 | 556 __ push(r13); // set sender sp |
| 557 __ push((int)NULL_WORD); // leave last_sp as null | |
| 558 __ movptr(r13, Address(rbx, methodOopDesc::const_offset())); // get constMethodOop | |
| 559 __ lea(r13, Address(r13, constMethodOopDesc::codes_offset())); // get codebase | |
| 560 __ push(rbx); // save methodOop | |
| 0 | 561 if (ProfileInterpreter) { |
| 562 Label method_data_continue; | |
| 304 | 563 __ movptr(rdx, Address(rbx, in_bytes(methodOopDesc::method_data_offset()))); |
| 564 __ testptr(rdx, rdx); | |
| 0 | 565 __ jcc(Assembler::zero, method_data_continue); |
| 304 | 566 __ addptr(rdx, in_bytes(methodDataOopDesc::data_offset())); |
| 0 | 567 __ bind(method_data_continue); |
| 304 | 568 __ push(rdx); // set the mdp (method data pointer) |
| 0 | 569 } else { |
| 304 | 570 __ push(0); |
| 0 | 571 } |
| 572 | |
| 304 | 573 __ movptr(rdx, Address(rbx, methodOopDesc::constants_offset())); |
| 574 __ movptr(rdx, Address(rdx, constantPoolOopDesc::cache_offset_in_bytes())); | |
| 575 __ push(rdx); // set constant pool cache | |
| 576 __ push(r14); // set locals pointer | |
| 0 | 577 if (native_call) { |
| 304 | 578 __ push(0); // no bcp |
| 0 | 579 } else { |
| 304 | 580 __ push(r13); // set bcp |
| 0 | 581 } |
| 304 | 582 __ push(0); // reserve word for pointer to expression stack bottom |
| 583 __ movptr(Address(rsp, 0), rsp); // set expression stack bottom | |
| 0 | 584 } |
| 585 | |
| 586 // End of helpers | |
| 587 | |
| 304 | 588 // Various method entries |
| 589 //------------------------------------------------------------------------------------------------------------------------ | |
| 590 // | |
| 591 // | |
| 592 | |
| 593 // Call an accessor method (assuming it is resolved, otherwise drop | |
| 594 // into vanilla (slow path) entry | |
| 595 address InterpreterGenerator::generate_accessor_entry(void) { | |
| 596 // rbx: methodOop | |
| 597 | |
| 598 // r13: senderSP must preserver for slow path, set SP to it on fast path | |
| 599 | |
| 600 address entry_point = __ pc(); | |
| 601 Label xreturn_path; | |
| 602 | |
| 603 // do fastpath for resolved accessor methods | |
| 604 if (UseFastAccessorMethods) { | |
| 605 // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites | |
| 606 // thereof; parameter size = 1 | |
| 607 // Note: We can only use this code if the getfield has been resolved | |
| 608 // and if we don't have a null-pointer exception => check for | |
| 609 // these conditions first and use slow path if necessary. | |
| 610 Label slow_path; | |
| 611 // If we need a safepoint check, generate full interpreter entry. | |
| 612 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 613 SafepointSynchronize::_not_synchronized); | |
| 614 | |
| 615 __ jcc(Assembler::notEqual, slow_path); | |
| 616 // rbx: method | |
| 617 __ movptr(rax, Address(rsp, wordSize)); | |
| 618 | |
| 619 // check if local 0 != NULL and read field | |
| 620 __ testptr(rax, rax); | |
| 621 __ jcc(Assembler::zero, slow_path); | |
| 622 | |
| 623 __ movptr(rdi, Address(rbx, methodOopDesc::constants_offset())); | |
| 624 // read first instruction word and extract bytecode @ 1 and index @ 2 | |
| 625 __ movptr(rdx, Address(rbx, methodOopDesc::const_offset())); | |
| 626 __ movl(rdx, Address(rdx, constMethodOopDesc::codes_offset())); | |
| 627 // Shift codes right to get the index on the right. | |
| 628 // The bytecode fetched looks like <index><0xb4><0x2a> | |
| 629 __ shrl(rdx, 2 * BitsPerByte); | |
| 630 __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); | |
| 631 __ movptr(rdi, Address(rdi, constantPoolOopDesc::cache_offset_in_bytes())); | |
| 632 | |
| 633 // rax: local 0 | |
| 634 // rbx: method | |
| 635 // rdx: constant pool cache index | |
| 636 // rdi: constant pool cache | |
| 637 | |
| 638 // check if getfield has been resolved and read constant pool cache entry | |
| 639 // check the validity of the cache entry by testing whether _indices field | |
| 640 // contains Bytecode::_getfield in b1 byte. | |
| 641 assert(in_words(ConstantPoolCacheEntry::size()) == 4, | |
| 642 "adjust shift below"); | |
| 643 __ movl(rcx, | |
| 644 Address(rdi, | |
| 645 rdx, | |
| 646 Address::times_8, | |
| 647 constantPoolCacheOopDesc::base_offset() + | |
| 648 ConstantPoolCacheEntry::indices_offset())); | |
| 649 __ shrl(rcx, 2 * BitsPerByte); | |
| 650 __ andl(rcx, 0xFF); | |
| 651 __ cmpl(rcx, Bytecodes::_getfield); | |
| 652 __ jcc(Assembler::notEqual, slow_path); | |
| 653 | |
| 654 // Note: constant pool entry is not valid before bytecode is resolved | |
| 655 __ movptr(rcx, | |
| 656 Address(rdi, | |
| 657 rdx, | |
| 658 Address::times_8, | |
| 659 constantPoolCacheOopDesc::base_offset() + | |
| 660 ConstantPoolCacheEntry::f2_offset())); | |
| 661 // edx: flags | |
| 662 __ movl(rdx, | |
| 663 Address(rdi, | |
| 664 rdx, | |
| 665 Address::times_8, | |
| 666 constantPoolCacheOopDesc::base_offset() + | |
| 667 ConstantPoolCacheEntry::flags_offset())); | |
| 668 | |
| 669 Label notObj, notInt, notByte, notShort; | |
| 670 const Address field_address(rax, rcx, Address::times_1); | |
| 671 | |
| 672 // Need to differentiate between igetfield, agetfield, bgetfield etc. | |
| 673 // because they are different sizes. | |
| 674 // Use the type from the constant pool cache | |
| 675 __ shrl(rdx, ConstantPoolCacheEntry::tosBits); | |
| 676 // Make sure we don't need to mask edx for tosBits after the above shift | |
| 677 ConstantPoolCacheEntry::verify_tosBits(); | |
| 678 | |
| 679 __ cmpl(rdx, atos); | |
| 680 __ jcc(Assembler::notEqual, notObj); | |
| 681 // atos | |
| 682 __ load_heap_oop(rax, field_address); | |
| 683 __ jmp(xreturn_path); | |
| 684 | |
| 685 __ bind(notObj); | |
| 686 __ cmpl(rdx, itos); | |
| 687 __ jcc(Assembler::notEqual, notInt); | |
| 688 // itos | |
| 689 __ movl(rax, field_address); | |
| 690 __ jmp(xreturn_path); | |
| 691 | |
| 692 __ bind(notInt); | |
| 693 __ cmpl(rdx, btos); | |
| 694 __ jcc(Assembler::notEqual, notByte); | |
| 695 // btos | |
| 696 __ load_signed_byte(rax, field_address); | |
| 697 __ jmp(xreturn_path); | |
| 698 | |
| 699 __ bind(notByte); | |
| 700 __ cmpl(rdx, stos); | |
| 701 __ jcc(Assembler::notEqual, notShort); | |
| 702 // stos | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
703 __ load_signed_short(rax, field_address); |
| 304 | 704 __ jmp(xreturn_path); |
| 705 | |
| 706 __ bind(notShort); | |
| 707 #ifdef ASSERT | |
| 708 Label okay; | |
| 709 __ cmpl(rdx, ctos); | |
| 710 __ jcc(Assembler::equal, okay); | |
| 711 __ stop("what type is this?"); | |
| 712 __ bind(okay); | |
| 713 #endif | |
| 714 // ctos | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
715 __ load_unsigned_short(rax, field_address); |
| 304 | 716 |
| 717 __ bind(xreturn_path); | |
| 718 | |
| 719 // _ireturn/_areturn | |
| 720 __ pop(rdi); | |
| 721 __ mov(rsp, r13); | |
| 722 __ jmp(rdi); | |
| 723 __ ret(0); | |
| 724 | |
| 725 // generate a vanilla interpreter entry as the slow path | |
| 726 __ bind(slow_path); | |
| 727 (void) generate_normal_entry(false); | |
| 728 } else { | |
| 729 (void) generate_normal_entry(false); | |
| 730 } | |
| 731 | |
| 732 return entry_point; | |
| 733 } | |
| 734 | |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
735 // Method entry for java.lang.ref.Reference.get. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
736 address InterpreterGenerator::generate_Reference_get_entry(void) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
737 #ifndef SERIALGC |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
738 // Code: _aload_0, _getfield, _areturn |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
739 // parameter size = 1 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
740 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
741 // The code that gets generated by this routine is split into 2 parts: |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
742 // 1. The "intrinsified" code for G1 (or any SATB based GC), |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
743 // 2. The slow path - which is an expansion of the regular method entry. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
744 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
745 // Notes:- |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
746 // * In the G1 code we do not check whether we need to block for |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
747 // a safepoint. If G1 is enabled then we must execute the specialized |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
748 // code for Reference.get (except when the Reference object is null) |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
749 // so that we can log the value in the referent field with an SATB |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
750 // update buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
751 // If the code for the getfield template is modified so that the |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
752 // G1 pre-barrier code is executed when the current method is |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
753 // Reference.get() then going through the normal method entry |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
754 // will be fine. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
755 // * The G1 code can, however, check the receiver object (the instance |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
756 // of java.lang.Reference) and jump to the slow path if null. If the |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
757 // Reference object is null then we obviously cannot fetch the referent |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
758 // and so we don't need to call the G1 pre-barrier. Thus we can use the |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
759 // regular method entry code to generate the NPE. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
760 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
761 // This code is based on generate_accessor_enty. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
762 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
763 // rbx: methodOop |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
764 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
765 // r13: senderSP must preserve for slow path, set SP to it on fast path |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
766 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
767 address entry = __ pc(); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
768 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
769 const int referent_offset = java_lang_ref_Reference::referent_offset; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
770 guarantee(referent_offset > 0, "referent offset not initialized"); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
771 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
772 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
773 Label slow_path; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
774 // rbx: method |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
775 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
776 // Check if local 0 != NULL |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
777 // If the receiver is null then it is OK to jump to the slow path. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
778 __ movptr(rax, Address(rsp, wordSize)); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
779 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
780 __ testptr(rax, rax); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
781 __ jcc(Assembler::zero, slow_path); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
782 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
783 // rax: local 0 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
784 // rbx: method (but can be used as scratch now) |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
785 // rdx: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
786 // rdi: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
787 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
788 // Generate the G1 pre-barrier code to log the value of |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
789 // the referent field in an SATB buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
790 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
791 // Load the value of the referent field. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
792 const Address field_address(rax, referent_offset); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
793 __ load_heap_oop(rax, field_address); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
794 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
795 // Generate the G1 pre-barrier code to log the value of |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
796 // the referent field in an SATB buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
797 __ g1_write_barrier_pre(noreg /* obj */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
798 rax /* pre_val */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
799 r15_thread /* thread */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
800 rbx /* tmp */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
801 true /* tosca_live */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
802 true /* expand_call */); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
803 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
804 // _areturn |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
805 __ pop(rdi); // get return address |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
806 __ mov(rsp, r13); // set sp to sender sp |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
807 __ jmp(rdi); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
808 __ ret(0); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
809 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
810 // generate a vanilla interpreter entry as the slow path |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
811 __ bind(slow_path); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
812 (void) generate_normal_entry(false); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
813 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
814 return entry; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
815 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
816 #endif // SERIALGC |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
817 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
818 // If G1 is not enabled then attempt to go through the accessor entry point |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
819 // Reference.get is an accessor |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
820 return generate_accessor_entry(); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
821 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
822 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
823 |
| 0 | 824 // Interpreter stub for calling a native method. (asm interpreter) |
| 825 // This sets up a somewhat different looking stack for calling the | |
| 826 // native method than the typical interpreter frame setup. | |
| 827 address InterpreterGenerator::generate_native_entry(bool synchronized) { | |
| 828 // determine code generation flags | |
| 829 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 830 | |
| 831 // rbx: methodOop | |
| 832 // r13: sender sp | |
| 833 | |
| 834 address entry_point = __ pc(); | |
| 835 | |
| 836 const Address size_of_parameters(rbx, methodOopDesc:: | |
| 837 size_of_parameters_offset()); | |
| 838 const Address invocation_counter(rbx, methodOopDesc:: | |
| 839 invocation_counter_offset() + | |
| 840 InvocationCounter::counter_offset()); | |
| 841 const Address access_flags (rbx, methodOopDesc::access_flags_offset()); | |
| 842 | |
| 843 // get parameter size (always needed) | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
844 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 845 |
| 846 // native calls don't need the stack size check since they have no | |
| 847 // expression stack and the arguments are already on the stack and | |
| 848 // we only add a handful of words to the stack | |
| 849 | |
| 850 // rbx: methodOop | |
| 851 // rcx: size of parameters | |
| 852 // r13: sender sp | |
| 304 | 853 __ pop(rax); // get return address |
| 0 | 854 |
| 855 // for natives the size of locals is zero | |
| 856 | |
| 857 // compute beginning of parameters (r14) | |
| 304 | 858 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 859 |
| 860 // add 2 zero-initialized slots for native calls | |
| 861 // initialize result_handler slot | |
| 304 | 862 __ push((int) NULL_WORD); |
| 0 | 863 // slot for oop temp |
| 864 // (static native method holder mirror/jni oop result) | |
| 304 | 865 __ push((int) NULL_WORD); |
| 0 | 866 |
| 867 if (inc_counter) { | |
| 868 __ movl(rcx, invocation_counter); // (pre-)fetch invocation count | |
| 869 } | |
| 870 | |
| 871 // initialize fixed part of activation frame | |
| 872 generate_fixed_frame(true); | |
| 873 | |
| 874 // make sure method is native & not abstract | |
| 875 #ifdef ASSERT | |
| 876 __ movl(rax, access_flags); | |
| 877 { | |
| 878 Label L; | |
| 879 __ testl(rax, JVM_ACC_NATIVE); | |
| 880 __ jcc(Assembler::notZero, L); | |
| 881 __ stop("tried to execute non-native method as native"); | |
| 882 __ bind(L); | |
| 883 } | |
| 884 { | |
| 885 Label L; | |
| 886 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 887 __ jcc(Assembler::zero, L); | |
| 888 __ stop("tried to execute abstract method in interpreter"); | |
| 889 __ bind(L); | |
| 890 } | |
| 891 #endif | |
| 892 | |
| 893 // Since at this point in the method invocation the exception handler | |
| 894 // would try to exit the monitor of synchronized methods which hasn't | |
| 895 // been entered yet, we set the thread local variable | |
| 896 // _do_not_unlock_if_synchronized to true. The remove_activation will | |
| 897 // check this flag. | |
| 898 | |
| 899 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 900 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 901 __ movbool(do_not_unlock_if_synchronized, true); | |
| 902 | |
| 903 // increment invocation count & check for overflow | |
| 904 Label invocation_counter_overflow; | |
| 905 if (inc_counter) { | |
| 906 generate_counter_incr(&invocation_counter_overflow, NULL, NULL); | |
| 907 } | |
| 908 | |
| 909 Label continue_after_compile; | |
| 910 __ bind(continue_after_compile); | |
| 911 | |
| 912 bang_stack_shadow_pages(true); | |
| 913 | |
| 914 // reset the _do_not_unlock_if_synchronized flag | |
| 915 __ movbool(do_not_unlock_if_synchronized, false); | |
| 916 | |
| 917 // check for synchronized methods | |
| 918 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 919 // so method is not locked if overflows. | |
| 920 if (synchronized) { | |
| 921 lock_method(); | |
| 922 } else { | |
| 923 // no synchronization necessary | |
| 924 #ifdef ASSERT | |
| 925 { | |
| 926 Label L; | |
| 927 __ movl(rax, access_flags); | |
| 928 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 929 __ jcc(Assembler::zero, L); | |
| 930 __ stop("method needs synchronization"); | |
| 931 __ bind(L); | |
| 932 } | |
| 933 #endif | |
| 934 } | |
| 935 | |
| 936 // start execution | |
| 937 #ifdef ASSERT | |
| 938 { | |
| 939 Label L; | |
| 940 const Address monitor_block_top(rbp, | |
| 941 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 942 __ movptr(rax, monitor_block_top); |
| 943 __ cmpptr(rax, rsp); | |
| 0 | 944 __ jcc(Assembler::equal, L); |
| 945 __ stop("broken stack frame setup in interpreter"); | |
| 946 __ bind(L); | |
| 947 } | |
| 948 #endif | |
| 949 | |
| 950 // jvmti support | |
| 951 __ notify_method_entry(); | |
| 952 | |
| 953 // work registers | |
| 954 const Register method = rbx; | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
955 const Register t = r11; |
| 0 | 956 |
| 957 // allocate space for parameters | |
| 958 __ get_method(method); | |
| 959 __ verify_oop(method); | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
960 __ load_unsigned_short(t, |
|
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
961 Address(method, |
|
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
962 methodOopDesc::size_of_parameters_offset())); |
| 1506 | 963 __ shll(t, Interpreter::logStackElementSize); |
| 0 | 964 |
| 304 | 965 __ subptr(rsp, t); |
| 966 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 605 | 967 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
| 0 | 968 |
| 969 // get signature handler | |
| 970 { | |
| 971 Label L; | |
| 304 | 972 __ movptr(t, Address(method, methodOopDesc::signature_handler_offset())); |
| 973 __ testptr(t, t); | |
| 0 | 974 __ jcc(Assembler::notZero, L); |
| 975 __ call_VM(noreg, | |
| 976 CAST_FROM_FN_PTR(address, | |
| 977 InterpreterRuntime::prepare_native_call), | |
| 978 method); | |
| 979 __ get_method(method); | |
| 304 | 980 __ movptr(t, Address(method, methodOopDesc::signature_handler_offset())); |
| 0 | 981 __ bind(L); |
| 982 } | |
| 983 | |
| 984 // call signature handler | |
| 985 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, | |
| 986 "adjust this code"); | |
| 987 assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, | |
| 988 "adjust this code"); | |
| 989 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, | |
| 990 "adjust this code"); | |
| 991 | |
| 992 // The generated handlers do not touch RBX (the method oop). | |
| 993 // However, large signatures cannot be cached and are generated | |
| 994 // each time here. The slow-path generator can do a GC on return, | |
| 995 // so we must reload it after the call. | |
| 996 __ call(t); | |
| 997 __ get_method(method); // slow path can do a GC, reload RBX | |
| 998 | |
| 999 | |
| 1000 // result handler is in rax | |
| 1001 // set result handler | |
| 304 | 1002 __ movptr(Address(rbp, |
| 1003 (frame::interpreter_frame_result_handler_offset) * wordSize), | |
| 1004 rax); | |
| 0 | 1005 |
| 1006 // pass mirror handle if static call | |
| 1007 { | |
| 1008 Label L; | |
| 1009 const int mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + | |
| 1010 Klass::java_mirror_offset_in_bytes(); | |
| 1011 __ movl(t, Address(method, methodOopDesc::access_flags_offset())); | |
| 1012 __ testl(t, JVM_ACC_STATIC); | |
| 1013 __ jcc(Assembler::zero, L); | |
| 1014 // get mirror | |
| 304 | 1015 __ movptr(t, Address(method, methodOopDesc::constants_offset())); |
| 1016 __ movptr(t, Address(t, constantPoolOopDesc::pool_holder_offset_in_bytes())); | |
| 1017 __ movptr(t, Address(t, mirror_offset)); | |
| 0 | 1018 // copy mirror into activation frame |
| 304 | 1019 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
| 0 | 1020 t); |
| 1021 // pass handle to mirror | |
| 304 | 1022 __ lea(c_rarg1, |
| 1023 Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); | |
| 0 | 1024 __ bind(L); |
| 1025 } | |
| 1026 | |
| 1027 // get native function entry point | |
| 1028 { | |
| 1029 Label L; | |
| 304 | 1030 __ movptr(rax, Address(method, methodOopDesc::native_function_offset())); |
| 0 | 1031 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
| 1032 __ movptr(rscratch2, unsatisfied.addr()); | |
| 304 | 1033 __ cmpptr(rax, rscratch2); |
| 0 | 1034 __ jcc(Assembler::notEqual, L); |
| 1035 __ call_VM(noreg, | |
| 1036 CAST_FROM_FN_PTR(address, | |
| 1037 InterpreterRuntime::prepare_native_call), | |
| 1038 method); | |
| 1039 __ get_method(method); | |
| 1040 __ verify_oop(method); | |
| 304 | 1041 __ movptr(rax, Address(method, methodOopDesc::native_function_offset())); |
| 0 | 1042 __ bind(L); |
| 1043 } | |
| 1044 | |
| 1045 // pass JNIEnv | |
| 304 | 1046 __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
| 0 | 1047 |
| 1048 // It is enough that the pc() points into the right code | |
| 1049 // segment. It does not have to be the correct return pc. | |
| 1050 __ set_last_Java_frame(rsp, rbp, (address) __ pc()); | |
| 1051 | |
| 1052 // change thread state | |
| 1053 #ifdef ASSERT | |
| 1054 { | |
| 1055 Label L; | |
| 1056 __ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); | |
| 1057 __ cmpl(t, _thread_in_Java); | |
| 1058 __ jcc(Assembler::equal, L); | |
| 1059 __ stop("Wrong thread state in native stub"); | |
| 1060 __ bind(L); | |
| 1061 } | |
| 1062 #endif | |
| 1063 | |
| 1064 // Change state to native | |
| 1065 | |
| 1066 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1067 _thread_in_native); | |
| 1068 | |
| 1069 // Call the native method. | |
| 1070 __ call(rax); | |
| 1071 // result potentially in rax or xmm0 | |
| 1072 | |
| 1073 // Depending on runtime options, either restore the MXCSR | |
| 1074 // register after returning from the JNI Call or verify that | |
| 1075 // it wasn't changed during -Xcheck:jni. | |
| 1076 if (RestoreMXCSROnJNICalls) { | |
| 304 | 1077 __ ldmxcsr(ExternalAddress(StubRoutines::x86::mxcsr_std())); |
| 0 | 1078 } |
| 1079 else if (CheckJNICalls) { | |
| 304 | 1080 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::x86::verify_mxcsr_entry()))); |
| 0 | 1081 } |
| 1082 | |
| 1083 // NOTE: The order of these pushes is known to frame::interpreter_frame_result | |
| 1084 // in order to extract the result of a method call. If the order of these | |
| 1085 // pushes change or anything else is added to the stack then the code in | |
| 1086 // interpreter_frame_result must also change. | |
| 1087 | |
| 1088 __ push(dtos); | |
| 1089 __ push(ltos); | |
| 1090 | |
| 1091 // change thread state | |
| 1092 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1093 _thread_in_native_trans); | |
| 1094 | |
| 1095 if (os::is_MP()) { | |
| 1096 if (UseMembar) { | |
| 1097 // Force this write out before the read below | |
| 1098 __ membar(Assembler::Membar_mask_bits( | |
| 1099 Assembler::LoadLoad | Assembler::LoadStore | | |
| 1100 Assembler::StoreLoad | Assembler::StoreStore)); | |
| 1101 } else { | |
| 1102 // Write serialization page so VM thread can do a pseudo remote membar. | |
| 1103 // We use the current thread pointer to calculate a thread specific | |
| 1104 // offset to write to within the page. This minimizes bus traffic | |
| 1105 // due to cache line collision. | |
| 1106 __ serialize_memory(r15_thread, rscratch2); | |
| 1107 } | |
| 1108 } | |
| 1109 | |
| 1110 // check for safepoint operation in progress and/or pending suspend requests | |
| 1111 { | |
| 1112 Label Continue; | |
| 1113 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 1114 SafepointSynchronize::_not_synchronized); | |
| 1115 | |
| 1116 Label L; | |
| 1117 __ jcc(Assembler::notEqual, L); | |
| 1118 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
| 1119 __ jcc(Assembler::equal, Continue); | |
| 1120 __ bind(L); | |
| 1121 | |
| 1122 // Don't use call_VM as it will see a possible pending exception | |
| 1123 // and forward it and never return here preventing us from | |
| 1124 // clearing _last_native_pc down below. Also can't use | |
| 1125 // call_VM_leaf either as it will check to see if r13 & r14 are | |
| 1126 // preserved and correspond to the bcp/locals pointers. So we do a | |
| 1127 // runtime call by hand. | |
| 1128 // | |
| 304 | 1129 __ mov(c_rarg0, r15_thread); |
|
1976
0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
1972
diff
changeset
|
1130 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1131 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1132 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1133 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
| 304 | 1134 __ mov(rsp, r12); // restore sp |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1135 __ reinit_heapbase(); |
| 0 | 1136 __ bind(Continue); |
| 1137 } | |
| 1138 | |
| 1139 // change thread state | |
| 1140 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
| 1141 | |
| 1142 // reset_last_Java_frame | |
| 1143 __ reset_last_Java_frame(true, true); | |
| 1144 | |
| 1145 // reset handle block | |
| 304 | 1146 __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
| 1147 __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); | |
| 0 | 1148 |
| 1149 // If result is an oop unbox and store it in frame where gc will see it | |
| 1150 // and result handler will pick it up | |
| 1151 | |
| 1152 { | |
| 1153 Label no_oop, store_result; | |
| 1154 __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); | |
| 304 | 1155 __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
| 0 | 1156 __ jcc(Assembler::notEqual, no_oop); |
| 1157 // retrieve result | |
| 1158 __ pop(ltos); | |
| 304 | 1159 __ testptr(rax, rax); |
| 0 | 1160 __ jcc(Assembler::zero, store_result); |
| 304 | 1161 __ movptr(rax, Address(rax, 0)); |
| 0 | 1162 __ bind(store_result); |
| 304 | 1163 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
| 0 | 1164 // keep stack depth as expected by pushing oop which will eventually be discarde |
| 1165 __ push(ltos); | |
| 1166 __ bind(no_oop); | |
| 1167 } | |
| 1168 | |
| 1169 | |
| 1170 { | |
| 1171 Label no_reguard; | |
| 1172 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), | |
| 1173 JavaThread::stack_guard_yellow_disabled); | |
| 1174 __ jcc(Assembler::notEqual, no_reguard); | |
| 1175 | |
| 304 | 1176 __ pusha(); // XXX only save smashed registers |
|
1976
0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
1972
diff
changeset
|
1177 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1178 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1179 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1180 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
| 304 | 1181 __ mov(rsp, r12); // restore sp |
| 1182 __ popa(); // XXX only restore smashed registers | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1183 __ reinit_heapbase(); |
| 0 | 1184 |
| 1185 __ bind(no_reguard); | |
| 1186 } | |
| 1187 | |
| 1188 | |
| 1189 // The method register is junk from after the thread_in_native transition | |
| 1190 // until here. Also can't call_VM until the bcp has been | |
| 1191 // restored. Need bcp for throwing exception below so get it now. | |
| 1192 __ get_method(method); | |
| 1193 __ verify_oop(method); | |
| 1194 | |
| 1195 // restore r13 to have legal interpreter frame, i.e., bci == 0 <=> | |
| 1196 // r13 == code_base() | |
| 304 | 1197 __ movptr(r13, Address(method, methodOopDesc::const_offset())); // get constMethodOop |
| 1198 __ lea(r13, Address(r13, constMethodOopDesc::codes_offset())); // get codebase | |
| 0 | 1199 // handle exceptions (exception handling will handle unlocking!) |
| 1200 { | |
| 1201 Label L; | |
| 304 | 1202 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 1203 __ jcc(Assembler::zero, L); |
| 1204 // Note: At some point we may want to unify this with the code | |
| 1205 // used in call_VM_base(); i.e., we should use the | |
| 1206 // StubRoutines::forward_exception code. For now this doesn't work | |
| 1207 // here because the rsp is not correctly set at this point. | |
| 1208 __ MacroAssembler::call_VM(noreg, | |
| 1209 CAST_FROM_FN_PTR(address, | |
| 1210 InterpreterRuntime::throw_pending_exception)); | |
| 1211 __ should_not_reach_here(); | |
| 1212 __ bind(L); | |
| 1213 } | |
| 1214 | |
| 1215 // do unlocking if necessary | |
| 1216 { | |
| 1217 Label L; | |
| 1218 __ movl(t, Address(method, methodOopDesc::access_flags_offset())); | |
| 1219 __ testl(t, JVM_ACC_SYNCHRONIZED); | |
| 1220 __ jcc(Assembler::zero, L); | |
| 1221 // the code below should be shared with interpreter macro | |
| 1222 // assembler implementation | |
| 1223 { | |
| 1224 Label unlock; | |
| 1225 // BasicObjectLock will be first in list, since this is a | |
| 1226 // synchronized method. However, need to check that the object | |
| 1227 // has not been unlocked by an explicit monitorexit bytecode. | |
| 1228 const Address monitor(rbp, | |
| 1229 (intptr_t)(frame::interpreter_frame_initial_sp_offset * | |
| 1230 wordSize - sizeof(BasicObjectLock))); | |
| 1231 | |
| 1232 // monitor expect in c_rarg1 for slow unlock path | |
| 304 | 1233 __ lea(c_rarg1, monitor); // address of first monitor |
| 0 | 1234 |
| 304 | 1235 __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
| 1236 __ testptr(t, t); | |
| 0 | 1237 __ jcc(Assembler::notZero, unlock); |
| 1238 | |
| 1239 // Entry already unlocked, need to throw exception | |
| 1240 __ MacroAssembler::call_VM(noreg, | |
| 1241 CAST_FROM_FN_PTR(address, | |
| 1242 InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
| 1243 __ should_not_reach_here(); | |
| 1244 | |
| 1245 __ bind(unlock); | |
| 1246 __ unlock_object(c_rarg1); | |
| 1247 } | |
| 1248 __ bind(L); | |
| 1249 } | |
| 1250 | |
| 1251 // jvmti support | |
| 1252 // Note: This must happen _after_ handling/throwing any exceptions since | |
| 1253 // the exception handler code notifies the runtime of method exits | |
| 1254 // too. If this happens before, method entry/exit notifications are | |
| 1255 // not properly paired (was bug - gri 11/22/99). | |
| 1256 __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); | |
| 1257 | |
| 1258 // restore potential result in edx:eax, call result handler to | |
| 1259 // restore potential result in ST0 & handle result | |
| 1260 | |
| 1261 __ pop(ltos); | |
| 1262 __ pop(dtos); | |
| 1263 | |
| 304 | 1264 __ movptr(t, Address(rbp, |
| 1265 (frame::interpreter_frame_result_handler_offset) * wordSize)); | |
| 0 | 1266 __ call(t); |
| 1267 | |
| 1268 // remove activation | |
| 304 | 1269 __ movptr(t, Address(rbp, |
| 1270 frame::interpreter_frame_sender_sp_offset * | |
| 1271 wordSize)); // get sender sp | |
| 0 | 1272 __ leave(); // remove frame anchor |
| 304 | 1273 __ pop(rdi); // get return address |
| 1274 __ mov(rsp, t); // set sp to sender sp | |
| 0 | 1275 __ jmp(rdi); |
| 1276 | |
| 1277 if (inc_counter) { | |
| 1278 // Handle overflow of counter and compile method | |
| 1279 __ bind(invocation_counter_overflow); | |
| 1280 generate_counter_overflow(&continue_after_compile); | |
| 1281 } | |
| 1282 | |
| 1283 return entry_point; | |
| 1284 } | |
| 1285 | |
| 1286 // | |
| 1287 // Generic interpreted method entry to (asm) interpreter | |
| 1288 // | |
| 1289 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 1290 // determine code generation flags | |
| 1291 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1292 | |
| 1293 // ebx: methodOop | |
| 1294 // r13: sender sp | |
| 1295 address entry_point = __ pc(); | |
| 1296 | |
| 1297 const Address size_of_parameters(rbx, | |
| 1298 methodOopDesc::size_of_parameters_offset()); | |
| 1299 const Address size_of_locals(rbx, methodOopDesc::size_of_locals_offset()); | |
| 1300 const Address invocation_counter(rbx, | |
| 1301 methodOopDesc::invocation_counter_offset() + | |
| 1302 InvocationCounter::counter_offset()); | |
| 1303 const Address access_flags(rbx, methodOopDesc::access_flags_offset()); | |
| 1304 | |
| 1305 // get parameter size (always needed) | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
1306 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1307 |
| 1308 // rbx: methodOop | |
| 1309 // rcx: size of parameters | |
| 1310 // r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) | |
| 1311 | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
1312 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
| 0 | 1313 __ subl(rdx, rcx); // rdx = no. of additional locals |
| 1314 | |
| 1315 // YYY | |
| 1316 // __ incrementl(rdx); | |
| 1317 // __ andl(rdx, -2); | |
| 1318 | |
| 1319 // see if we've got enough room on the stack for locals plus overhead. | |
| 1320 generate_stack_overflow_check(); | |
| 1321 | |
| 1322 // get return address | |
| 304 | 1323 __ pop(rax); |
| 0 | 1324 |
| 1325 // compute beginning of parameters (r14) | |
| 304 | 1326 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1327 |
| 1328 // rdx - # of additional locals | |
| 1329 // allocate space for locals | |
| 1330 // explicitly initialize locals | |
| 1331 { | |
| 1332 Label exit, loop; | |
| 1333 __ testl(rdx, rdx); | |
| 1334 __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 | |
| 1335 __ bind(loop); | |
| 304 | 1336 __ push((int) NULL_WORD); // initialize local variables |
| 0 | 1337 __ decrementl(rdx); // until everything initialized |
| 1338 __ jcc(Assembler::greater, loop); | |
| 1339 __ bind(exit); | |
| 1340 } | |
| 1341 | |
| 1342 // (pre-)fetch invocation count | |
| 1343 if (inc_counter) { | |
| 1344 __ movl(rcx, invocation_counter); | |
| 1345 } | |
| 1346 // initialize fixed part of activation frame | |
| 1347 generate_fixed_frame(false); | |
| 1348 | |
| 1349 // make sure method is not native & not abstract | |
| 1350 #ifdef ASSERT | |
| 1351 __ movl(rax, access_flags); | |
| 1352 { | |
| 1353 Label L; | |
| 1354 __ testl(rax, JVM_ACC_NATIVE); | |
| 1355 __ jcc(Assembler::zero, L); | |
| 1356 __ stop("tried to execute native method as non-native"); | |
| 1357 __ bind(L); | |
| 1358 } | |
| 1359 { | |
| 1360 Label L; | |
| 1361 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1362 __ jcc(Assembler::zero, L); | |
| 1363 __ stop("tried to execute abstract method in interpreter"); | |
| 1364 __ bind(L); | |
| 1365 } | |
| 1366 #endif | |
| 1367 | |
| 1368 // Since at this point in the method invocation the exception | |
| 1369 // handler would try to exit the monitor of synchronized methods | |
| 1370 // which hasn't been entered yet, we set the thread local variable | |
| 1371 // _do_not_unlock_if_synchronized to true. The remove_activation | |
| 1372 // will check this flag. | |
| 1373 | |
| 1374 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1375 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1376 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1377 | |
| 1378 // increment invocation count & check for overflow | |
| 1379 Label invocation_counter_overflow; | |
| 1380 Label profile_method; | |
| 1381 Label profile_method_continue; | |
| 1382 if (inc_counter) { | |
| 1383 generate_counter_incr(&invocation_counter_overflow, | |
| 1384 &profile_method, | |
| 1385 &profile_method_continue); | |
| 1386 if (ProfileInterpreter) { | |
| 1387 __ bind(profile_method_continue); | |
| 1388 } | |
| 1389 } | |
| 1390 | |
| 1391 Label continue_after_compile; | |
| 1392 __ bind(continue_after_compile); | |
| 1393 | |
| 1394 // check for synchronized interpreted methods | |
| 1395 bang_stack_shadow_pages(false); | |
| 1396 | |
| 1397 // reset the _do_not_unlock_if_synchronized flag | |
| 1398 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1399 | |
| 1400 // check for synchronized methods | |
| 1401 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1402 // so method is not locked if overflows. | |
| 1403 if (synchronized) { | |
| 1404 // Allocate monitor and lock method | |
| 1405 lock_method(); | |
| 1406 } else { | |
| 1407 // no synchronization necessary | |
| 1408 #ifdef ASSERT | |
| 1409 { | |
| 1410 Label L; | |
| 1411 __ movl(rax, access_flags); | |
| 1412 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1413 __ jcc(Assembler::zero, L); | |
| 1414 __ stop("method needs synchronization"); | |
| 1415 __ bind(L); | |
| 1416 } | |
| 1417 #endif | |
| 1418 } | |
| 1419 | |
| 1420 // start execution | |
| 1421 #ifdef ASSERT | |
| 1422 { | |
| 1423 Label L; | |
| 1424 const Address monitor_block_top (rbp, | |
| 1425 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1426 __ movptr(rax, monitor_block_top); |
| 1427 __ cmpptr(rax, rsp); | |
| 0 | 1428 __ jcc(Assembler::equal, L); |
| 1429 __ stop("broken stack frame setup in interpreter"); | |
| 1430 __ bind(L); | |
| 1431 } | |
| 1432 #endif | |
| 1433 | |
| 1434 // jvmti support | |
| 1435 __ notify_method_entry(); | |
| 1436 | |
| 1437 __ dispatch_next(vtos); | |
| 1438 | |
| 1439 // invocation counter overflow | |
| 1440 if (inc_counter) { | |
| 1441 if (ProfileInterpreter) { | |
| 1442 // We have decided to profile this method in the interpreter | |
| 1443 __ bind(profile_method); | |
|
2118
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
1444 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
|
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
1445 __ set_method_data_pointer_for_bcp(); |
|
2141
b599a4c6c2df
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
2118
diff
changeset
|
1446 __ get_method(rbx); |
| 0 | 1447 __ jmp(profile_method_continue); |
| 1448 } | |
| 1449 // Handle overflow of counter and compile method | |
| 1450 __ bind(invocation_counter_overflow); | |
| 1451 generate_counter_overflow(&continue_after_compile); | |
| 1452 } | |
| 1453 | |
| 1454 return entry_point; | |
| 1455 } | |
| 1456 | |
| 1457 // Entry points | |
| 1458 // | |
| 1459 // Here we generate the various kind of entries into the interpreter. | |
| 1460 // The two main entry type are generic bytecode methods and native | |
| 1461 // call method. These both come in synchronized and non-synchronized | |
| 1462 // versions but the frame layout they create is very similar. The | |
| 1463 // other method entry types are really just special purpose entries | |
| 1464 // that are really entry and interpretation all in one. These are for | |
| 1465 // trivial methods like accessor, empty, or special math methods. | |
| 1466 // | |
| 1467 // When control flow reaches any of the entry types for the interpreter | |
| 1468 // the following holds -> | |
| 1469 // | |
| 1470 // Arguments: | |
| 1471 // | |
| 1472 // rbx: methodOop | |
| 1473 // | |
| 1474 // Stack layout immediately at entry | |
| 1475 // | |
| 1476 // [ return address ] <--- rsp | |
| 1477 // [ parameter n ] | |
| 1478 // ... | |
| 1479 // [ parameter 1 ] | |
| 1480 // [ expression stack ] (caller's java expression stack) | |
| 1481 | |
| 1482 // Assuming that we don't go to one of the trivial specialized entries | |
| 1483 // the stack will look like below when we are ready to execute the | |
| 1484 // first bytecode (or call the native routine). The register usage | |
| 1485 // will be as the template based interpreter expects (see | |
| 1486 // interpreter_amd64.hpp). | |
| 1487 // | |
| 1488 // local variables follow incoming parameters immediately; i.e. | |
| 1489 // the return address is moved to the end of the locals). | |
| 1490 // | |
| 1491 // [ monitor entry ] <--- rsp | |
| 1492 // ... | |
| 1493 // [ monitor entry ] | |
| 1494 // [ expr. stack bottom ] | |
| 1495 // [ saved r13 ] | |
| 1496 // [ current r14 ] | |
| 1497 // [ methodOop ] | |
| 1498 // [ saved ebp ] <--- rbp | |
| 1499 // [ return address ] | |
| 1500 // [ local variable m ] | |
| 1501 // ... | |
| 1502 // [ local variable 1 ] | |
| 1503 // [ parameter n ] | |
| 1504 // ... | |
| 1505 // [ parameter 1 ] <--- r14 | |
| 1506 | |
| 1507 address AbstractInterpreterGenerator::generate_method_entry( | |
| 1508 AbstractInterpreter::MethodKind kind) { | |
| 1509 // determine code generation flags | |
| 1510 bool synchronized = false; | |
| 1511 address entry_point = NULL; | |
| 1512 | |
| 1513 switch (kind) { | |
| 1514 case Interpreter::zerolocals : break; | |
| 1515 case Interpreter::zerolocals_synchronized: synchronized = true; break; | |
| 1516 case Interpreter::native : entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); break; | |
| 1517 case Interpreter::native_synchronized : entry_point = ((InterpreterGenerator*) this)->generate_native_entry(true); break; | |
| 1518 case Interpreter::empty : entry_point = ((InterpreterGenerator*) this)->generate_empty_entry(); break; | |
| 1519 case Interpreter::accessor : entry_point = ((InterpreterGenerator*) this)->generate_accessor_entry(); break; | |
| 1520 case Interpreter::abstract : entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry(); break; | |
| 710 | 1521 case Interpreter::method_handle : entry_point = ((InterpreterGenerator*) this)->generate_method_handle_entry();break; |
|
706
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1522 |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1523 case Interpreter::java_lang_math_sin : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1524 case Interpreter::java_lang_math_cos : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1525 case Interpreter::java_lang_math_tan : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1526 case Interpreter::java_lang_math_abs : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1527 case Interpreter::java_lang_math_log : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1528 case Interpreter::java_lang_math_log10 : // fall thru |
| 0 | 1529 case Interpreter::java_lang_math_sqrt : entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind); break; |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
1530 case Interpreter::java_lang_ref_reference_get |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
1531 : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break; |
| 0 | 1532 default : ShouldNotReachHere(); break; |
| 1533 } | |
| 1534 | |
| 1535 if (entry_point) { | |
| 1536 return entry_point; | |
| 1537 } | |
| 1538 | |
| 1539 return ((InterpreterGenerator*) this)-> | |
| 1540 generate_normal_entry(synchronized); | |
| 1541 } | |
| 1542 | |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1543 // These should never be compiled since the interpreter will prefer |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1544 // the compiled version to the intrinsic version. |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1545 bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1546 switch (method_kind(m)) { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1547 case Interpreter::java_lang_math_sin : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1548 case Interpreter::java_lang_math_cos : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1549 case Interpreter::java_lang_math_tan : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1550 case Interpreter::java_lang_math_abs : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1551 case Interpreter::java_lang_math_log : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1552 case Interpreter::java_lang_math_log10 : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1553 case Interpreter::java_lang_math_sqrt : |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1554 return false; |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1555 default: |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1556 return true; |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1557 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1558 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1559 |
| 0 | 1560 // How much stack a method activation needs in words. |
| 1561 int AbstractInterpreter::size_top_interpreter_activation(methodOop method) { | |
| 1562 const int entry_size = frame::interpreter_frame_monitor_size(); | |
| 1563 | |
| 1564 // total overhead size: entry_size + (saved rbp thru expr stack | |
| 1565 // bottom). be sure to change this if you add/subtract anything | |
| 1566 // to/from the overhead area | |
| 1567 const int overhead_size = | |
| 1568 -(frame::interpreter_frame_initial_sp_offset) + entry_size; | |
| 1569 | |
| 1570 const int stub_code = frame::entry_frame_after_call_words; | |
| 710 | 1571 const int extra_stack = methodOopDesc::extra_stack_entries(); |
| 1572 const int method_stack = (method->max_locals() + method->max_stack() + extra_stack) * | |
| 1506 | 1573 Interpreter::stackElementWords; |
| 0 | 1574 return (overhead_size + method_stack + stub_code); |
| 1575 } | |
| 1576 | |
| 1577 int AbstractInterpreter::layout_activation(methodOop method, | |
| 1578 int tempcount, | |
| 1579 int popframe_extra_args, | |
| 1580 int moncount, | |
|
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3252
diff
changeset
|
1581 int caller_actual_parameters, |
| 0 | 1582 int callee_param_count, |
| 1583 int callee_locals, | |
| 1584 frame* caller, | |
| 1585 frame* interpreter_frame, | |
| 1586 bool is_top_frame) { | |
| 1587 // Note: This calculation must exactly parallel the frame setup | |
| 1588 // in AbstractInterpreterGenerator::generate_method_entry. | |
| 1589 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
| 1590 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
| 1591 // right size, as determined by a previous call to this method. | |
| 1592 // It is also guaranteed to be walkable even though it is in a skeletal state | |
| 1593 | |
| 1594 // fixed size of an interpreter frame: | |
| 1506 | 1595 int max_locals = method->max_locals() * Interpreter::stackElementWords; |
| 0 | 1596 int extra_locals = (method->max_locals() - method->size_of_parameters()) * |
| 1506 | 1597 Interpreter::stackElementWords; |
| 0 | 1598 |
| 1599 int overhead = frame::sender_sp_offset - | |
| 1600 frame::interpreter_frame_initial_sp_offset; | |
| 1601 // Our locals were accounted for by the caller (or last_frame_adjust | |
| 1602 // on the transistion) Since the callee parameters already account | |
| 1603 // for the callee's params we only need to account for the extra | |
| 1604 // locals. | |
| 1605 int size = overhead + | |
| 1506 | 1606 (callee_locals - callee_param_count)*Interpreter::stackElementWords + |
| 0 | 1607 moncount * frame::interpreter_frame_monitor_size() + |
| 1506 | 1608 tempcount* Interpreter::stackElementWords + popframe_extra_args; |
| 0 | 1609 if (interpreter_frame != NULL) { |
| 1610 #ifdef ASSERT | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2245
diff
changeset
|
1611 if (!EnableInvokeDynamic) |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1612 // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences? |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1613 // Probably, since deoptimization doesn't work yet. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1614 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); |
| 0 | 1615 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); |
| 1616 #endif | |
| 1617 | |
| 1618 interpreter_frame->interpreter_frame_set_method(method); | |
| 1619 // NOTE the difference in using sender_sp and | |
| 1620 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
| 1621 // the original sp of the caller (the unextended_sp) and | |
| 1622 // sender_sp is fp+16 XXX | |
| 1623 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
| 1624 | |
|
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1625 #ifdef ASSERT |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1626 if (caller->is_interpreted_frame()) { |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1627 assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1628 } |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1629 #endif |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1630 |
| 0 | 1631 interpreter_frame->interpreter_frame_set_locals(locals); |
| 1632 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
| 1633 BasicObjectLock* monbot = montop - moncount; | |
| 1634 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
| 1635 | |
| 1636 // Set last_sp | |
| 1637 intptr_t* esp = (intptr_t*) monbot - | |
| 1506 | 1638 tempcount*Interpreter::stackElementWords - |
| 0 | 1639 popframe_extra_args; |
| 1640 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
| 1641 | |
| 1642 // All frames but the initial (oldest) interpreter frame we fill in have | |
| 1643 // a value for sender_sp that allows walking the stack but isn't | |
| 1644 // truly correct. Correct the value here. | |
| 1645 if (extra_locals != 0 && | |
| 1646 interpreter_frame->sender_sp() == | |
| 1647 interpreter_frame->interpreter_frame_sender_sp()) { | |
| 1648 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
| 1649 extra_locals); | |
| 1650 } | |
| 1651 *interpreter_frame->interpreter_frame_cache_addr() = | |
| 1652 method->constants()->cache(); | |
| 1653 } | |
| 1654 return size; | |
| 1655 } | |
| 1656 | |
| 1657 //----------------------------------------------------------------------------- | |
| 1658 // Exceptions | |
| 1659 | |
| 1660 void TemplateInterpreterGenerator::generate_throw_exception() { | |
| 1661 // Entry point in previous activation (i.e., if the caller was | |
| 1662 // interpreted) | |
| 1663 Interpreter::_rethrow_exception_entry = __ pc(); | |
| 1664 // Restore sp to interpreter_frame_last_sp even though we are going | |
| 1665 // to empty the expression stack for the exception processing. | |
| 304 | 1666 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 1667 // rax: exception |
| 1668 // rdx: return address/pc that threw exception | |
| 1669 __ restore_bcp(); // r13 points to call/send | |
| 1670 __ restore_locals(); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1671 __ reinit_heapbase(); // restore r12 as heapbase. |
| 0 | 1672 // Entry point for exceptions thrown within interpreter code |
| 1673 Interpreter::_throw_exception_entry = __ pc(); | |
| 1674 // expression stack is undefined here | |
| 1675 // rax: exception | |
| 1676 // r13: exception bcp | |
| 1677 __ verify_oop(rax); | |
| 304 | 1678 __ mov(c_rarg1, rax); |
| 0 | 1679 |
| 1680 // expression stack must be empty before entering the VM in case of | |
| 1681 // an exception | |
| 1682 __ empty_expression_stack(); | |
| 1683 // find exception handler address and preserve exception oop | |
| 1684 __ call_VM(rdx, | |
| 1685 CAST_FROM_FN_PTR(address, | |
| 1686 InterpreterRuntime::exception_handler_for_exception), | |
| 1687 c_rarg1); | |
| 1688 // rax: exception handler entry point | |
| 1689 // rdx: preserved exception oop | |
| 1690 // r13: bcp for exception handler | |
| 1691 __ push_ptr(rdx); // push exception which is now the only value on the stack | |
| 1692 __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) | |
| 1693 | |
| 1694 // If the exception is not handled in the current frame the frame is | |
| 1695 // removed and the exception is rethrown (i.e. exception | |
| 1696 // continuation is _rethrow_exception). | |
| 1697 // | |
| 1698 // Note: At this point the bci is still the bxi for the instruction | |
| 1699 // which caused the exception and the expression stack is | |
| 1700 // empty. Thus, for any VM calls at this point, GC will find a legal | |
| 1701 // oop map (with empty expression stack). | |
| 1702 | |
| 1703 // In current activation | |
| 1704 // tos: exception | |
| 1705 // esi: exception bcp | |
| 1706 | |
| 1707 // | |
| 1708 // JVMTI PopFrame support | |
| 1709 // | |
| 1710 | |
| 1711 Interpreter::_remove_activation_preserving_args_entry = __ pc(); | |
| 1712 __ empty_expression_stack(); | |
| 1713 // Set the popframe_processing bit in pending_popframe_condition | |
| 1714 // indicating that we are currently handling popframe, so that | |
| 1715 // call_VMs that may happen later do not trigger new popframe | |
| 1716 // handling cycles. | |
| 1717 __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); | |
| 1718 __ orl(rdx, JavaThread::popframe_processing_bit); | |
| 1719 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); | |
| 1720 | |
| 1721 { | |
| 1722 // Check to see whether we are returning to a deoptimized frame. | |
| 1723 // (The PopFrame call ensures that the caller of the popped frame is | |
| 1724 // either interpreted or compiled and deoptimizes it if compiled.) | |
| 1725 // In this case, we can't call dispatch_next() after the frame is | |
| 1726 // popped, but instead must save the incoming arguments and restore | |
| 1727 // them after deoptimization has occurred. | |
| 1728 // | |
| 1729 // Note that we don't compare the return PC against the | |
| 1730 // deoptimization blob's unpack entry because of the presence of | |
| 1731 // adapter frames in C2. | |
| 1732 Label caller_not_deoptimized; | |
| 304 | 1733 __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
| 0 | 1734 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1735 InterpreterRuntime::interpreter_contains), c_rarg1); | |
| 1736 __ testl(rax, rax); | |
| 1737 __ jcc(Assembler::notZero, caller_not_deoptimized); | |
| 1738 | |
| 1739 // Compute size of arguments for saving when returning to | |
| 1740 // deoptimized caller | |
| 1741 __ get_method(rax); | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
1742 __ load_unsigned_short(rax, Address(rax, in_bytes(methodOopDesc:: |
| 0 | 1743 size_of_parameters_offset()))); |
| 1506 | 1744 __ shll(rax, Interpreter::logStackElementSize); |
| 0 | 1745 __ restore_locals(); // XXX do we need this? |
| 304 | 1746 __ subptr(r14, rax); |
| 1747 __ addptr(r14, wordSize); | |
| 0 | 1748 // Save these arguments |
| 1749 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, | |
| 1750 Deoptimization:: | |
| 1751 popframe_preserve_args), | |
| 1752 r15_thread, rax, r14); | |
| 1753 | |
| 1754 __ remove_activation(vtos, rdx, | |
| 1755 /* throw_monitor_exception */ false, | |
| 1756 /* install_monitor_exception */ false, | |
| 1757 /* notify_jvmdi */ false); | |
| 1758 | |
| 1759 // Inform deoptimization that it is responsible for restoring | |
| 1760 // these arguments | |
| 1761 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1762 JavaThread::popframe_force_deopt_reexecution_bit); | |
| 1763 | |
| 1764 // Continue in deoptimization handler | |
| 1765 __ jmp(rdx); | |
| 1766 | |
| 1767 __ bind(caller_not_deoptimized); | |
| 1768 } | |
| 1769 | |
| 1770 __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ | |
| 1771 /* throw_monitor_exception */ false, | |
| 1772 /* install_monitor_exception */ false, | |
| 1773 /* notify_jvmdi */ false); | |
| 1774 | |
| 1775 // Finish with popframe handling | |
| 1776 // A previous I2C followed by a deoptimization might have moved the | |
| 1777 // outgoing arguments further up the stack. PopFrame expects the | |
| 1778 // mutations to those outgoing arguments to be preserved and other | |
| 1779 // constraints basically require this frame to look exactly as | |
| 1780 // though it had previously invoked an interpreted activation with | |
| 1781 // no space between the top of the expression stack (current | |
| 1782 // last_sp) and the top of stack. Rather than force deopt to | |
| 1783 // maintain this kind of invariant all the time we call a small | |
| 1784 // fixup routine to move the mutated arguments onto the top of our | |
| 1785 // expression stack if necessary. | |
| 304 | 1786 __ mov(c_rarg1, rsp); |
| 1787 __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); | |
| 0 | 1788 // PC must point into interpreter here |
| 1789 __ set_last_Java_frame(noreg, rbp, __ pc()); | |
| 1790 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); | |
| 1791 __ reset_last_Java_frame(true, true); | |
| 1792 // Restore the last_sp and null it out | |
| 304 | 1793 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 1794 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); | |
| 0 | 1795 |
| 1796 __ restore_bcp(); // XXX do we need this? | |
| 1797 __ restore_locals(); // XXX do we need this? | |
| 1798 // The method data pointer was incremented already during | |
| 1799 // call profiling. We have to restore the mdp for the current bcp. | |
| 1800 if (ProfileInterpreter) { | |
| 1801 __ set_method_data_pointer_for_bcp(); | |
| 1802 } | |
| 1803 | |
| 1804 // Clear the popframe condition flag | |
| 1805 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1806 JavaThread::popframe_inactive); | |
| 1807 | |
| 1808 __ dispatch_next(vtos); | |
| 1809 // end of PopFrame support | |
| 1810 | |
| 1811 Interpreter::_remove_activation_entry = __ pc(); | |
| 1812 | |
| 1813 // preserve exception over this code sequence | |
| 1814 __ pop_ptr(rax); | |
| 304 | 1815 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
| 0 | 1816 // remove the activation (without doing throws on illegalMonitorExceptions) |
| 1817 __ remove_activation(vtos, rdx, false, true, false); | |
| 1818 // restore exception | |
| 304 | 1819 __ movptr(rax, Address(r15_thread, JavaThread::vm_result_offset())); |
| 1820 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), (int32_t)NULL_WORD); | |
| 0 | 1821 __ verify_oop(rax); |
| 1822 | |
| 1823 // In between activations - previous activation type unknown yet | |
| 1824 // compute continuation point - the continuation point expects the | |
| 1825 // following registers set up: | |
| 1826 // | |
| 1827 // rax: exception | |
| 1828 // rdx: return address/pc that threw exception | |
| 1829 // rsp: expression stack of caller | |
| 1830 // rbp: ebp of caller | |
| 304 | 1831 __ push(rax); // save exception |
| 1832 __ push(rdx); // save return address | |
| 0 | 1833 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1834 SharedRuntime::exception_handler_for_return_address), | |
| 1295 | 1835 r15_thread, rdx); |
| 304 | 1836 __ mov(rbx, rax); // save exception handler |
| 1837 __ pop(rdx); // restore return address | |
| 1838 __ pop(rax); // restore exception | |
| 0 | 1839 // Note that an "issuing PC" is actually the next PC after the call |
| 1840 __ jmp(rbx); // jump to exception | |
| 1841 // handler of caller | |
| 1842 } | |
| 1843 | |
| 1844 | |
| 1845 // | |
| 1846 // JVMTI ForceEarlyReturn support | |
| 1847 // | |
| 1848 address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { | |
| 1849 address entry = __ pc(); | |
| 1850 | |
| 1851 __ restore_bcp(); | |
| 1852 __ restore_locals(); | |
| 1853 __ empty_expression_stack(); | |
| 1854 __ load_earlyret_value(state); | |
| 1855 | |
| 304 | 1856 __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
| 0 | 1857 Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
| 1858 | |
| 1859 // Clear the earlyret state | |
| 1860 __ movl(cond_addr, JvmtiThreadState::earlyret_inactive); | |
| 1861 | |
| 1862 __ remove_activation(state, rsi, | |
| 1863 false, /* throw_monitor_exception */ | |
| 1864 false, /* install_monitor_exception */ | |
| 1865 true); /* notify_jvmdi */ | |
| 1866 __ jmp(rsi); | |
| 1867 | |
| 1868 return entry; | |
| 1869 } // end of ForceEarlyReturn support | |
| 1870 | |
| 1871 | |
| 1872 //----------------------------------------------------------------------------- | |
| 1873 // Helper for vtos entry point generation | |
| 1874 | |
| 1875 void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, | |
| 1876 address& bep, | |
| 1877 address& cep, | |
| 1878 address& sep, | |
| 1879 address& aep, | |
| 1880 address& iep, | |
| 1881 address& lep, | |
| 1882 address& fep, | |
| 1883 address& dep, | |
| 1884 address& vep) { | |
| 1885 assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); | |
| 1886 Label L; | |
| 1887 aep = __ pc(); __ push_ptr(); __ jmp(L); | |
| 1888 fep = __ pc(); __ push_f(); __ jmp(L); | |
| 1889 dep = __ pc(); __ push_d(); __ jmp(L); | |
| 1890 lep = __ pc(); __ push_l(); __ jmp(L); | |
| 1891 bep = cep = sep = | |
| 1892 iep = __ pc(); __ push_i(); | |
| 1893 vep = __ pc(); | |
| 1894 __ bind(L); | |
| 1895 generate_and_dispatch(t); | |
| 1896 } | |
| 1897 | |
| 1898 | |
| 1899 //----------------------------------------------------------------------------- | |
| 1900 // Generation of individual instructions | |
| 1901 | |
| 1902 // helpers for generate_and_dispatch | |
| 1903 | |
| 1904 | |
| 1905 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 1906 : TemplateInterpreterGenerator(code) { | |
| 1907 generate_all(); // down here so it can be "virtual" | |
| 1908 } | |
| 1909 | |
| 1910 //----------------------------------------------------------------------------- | |
| 1911 | |
| 1912 // Non-product code | |
| 1913 #ifndef PRODUCT | |
| 1914 address TemplateInterpreterGenerator::generate_trace_code(TosState state) { | |
| 1915 address entry = __ pc(); | |
| 1916 | |
| 1917 __ push(state); | |
| 304 | 1918 __ push(c_rarg0); |
| 1919 __ push(c_rarg1); | |
| 1920 __ push(c_rarg2); | |
| 1921 __ push(c_rarg3); | |
| 1922 __ mov(c_rarg2, rax); // Pass itos | |
| 0 | 1923 #ifdef _WIN64 |
| 1924 __ movflt(xmm3, xmm0); // Pass ftos | |
| 1925 #endif | |
| 1926 __ call_VM(noreg, | |
| 1927 CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), | |
| 1928 c_rarg1, c_rarg2, c_rarg3); | |
| 304 | 1929 __ pop(c_rarg3); |
| 1930 __ pop(c_rarg2); | |
| 1931 __ pop(c_rarg1); | |
| 1932 __ pop(c_rarg0); | |
| 0 | 1933 __ pop(state); |
| 1934 __ ret(0); // return from result handler | |
| 1935 | |
| 1936 return entry; | |
| 1937 } | |
| 1938 | |
| 1939 void TemplateInterpreterGenerator::count_bytecode() { | |
| 1940 __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); | |
| 1941 } | |
| 1942 | |
| 1943 void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { | |
| 1944 __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); | |
| 1945 } | |
| 1946 | |
| 1947 void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { | |
| 1948 __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); | |
| 1949 __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); | |
| 1950 __ orl(rbx, | |
| 1951 ((int) t->bytecode()) << | |
| 1952 BytecodePairHistogram::log2_number_of_codes); | |
| 1953 __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); | |
| 1954 __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); | |
| 1955 __ incrementl(Address(rscratch1, rbx, Address::times_4)); | |
| 1956 } | |
| 1957 | |
| 1958 | |
| 1959 void TemplateInterpreterGenerator::trace_bytecode(Template* t) { | |
| 1960 // Call a little run-time stub to avoid blow-up for each bytecode. | |
| 1961 // The run-time runtime saves the right registers, depending on | |
| 1962 // the tosca in-state for the given template. | |
| 1963 | |
| 1964 assert(Interpreter::trace_code(t->tos_in()) != NULL, | |
| 1965 "entry must have been generated"); | |
|
1976
0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
1972
diff
changeset
|
1966 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1967 __ andptr(rsp, -16); // align stack as required by ABI |
| 0 | 1968 __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
| 304 | 1969 __ mov(rsp, r12); // restore sp |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1970 __ reinit_heapbase(); |
| 0 | 1971 } |
| 1972 | |
| 1973 | |
| 1974 void TemplateInterpreterGenerator::stop_interpreter_at() { | |
| 1975 Label L; | |
| 1976 __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), | |
| 1977 StopInterpreterAt); | |
| 1978 __ jcc(Assembler::notEqual, L); | |
| 1979 __ int3(); | |
| 1980 __ bind(L); | |
| 1981 } | |
| 1982 #endif // !PRODUCT | |
| 304 | 1983 #endif // ! CC_INTERP |