Mercurial > hg > truffle
annotate src/cpu/x86/vm/interpreterRT_x86_64.cpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | f95d63e2154a |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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6964458: Reimplement class meta-data storage to use native memory
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "interpreter/interpreter.hpp" | |
| 27 #include "interpreter/interpreterRuntime.hpp" | |
| 28 #include "memory/allocation.inline.hpp" | |
| 29 #include "memory/universe.inline.hpp" | |
|
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30 #include "oops/method.hpp" |
| 1972 | 31 #include "oops/oop.inline.hpp" |
| 32 #include "runtime/handles.inline.hpp" | |
| 33 #include "runtime/icache.hpp" | |
| 34 #include "runtime/interfaceSupport.hpp" | |
| 35 #include "runtime/signature.hpp" | |
| 0 | 36 |
| 37 #define __ _masm-> | |
| 38 | |
| 39 // Implementation of SignatureHandlerGenerator | |
| 40 | |
| 41 Register InterpreterRuntime::SignatureHandlerGenerator::from() { return r14; } | |
| 42 Register InterpreterRuntime::SignatureHandlerGenerator::to() { return rsp; } | |
| 43 Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rscratch1; } | |
| 44 | |
| 45 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() { | |
| 46 const Address src(from(), Interpreter::local_offset_in_bytes(offset())); | |
| 47 | |
| 48 #ifdef _WIN64 | |
| 49 switch (_num_args) { | |
| 50 case 0: | |
| 51 __ movl(c_rarg1, src); | |
| 52 _num_args++; | |
| 53 break; | |
| 54 case 1: | |
| 55 __ movl(c_rarg2, src); | |
| 56 _num_args++; | |
| 57 break; | |
| 58 case 2: | |
| 59 __ movl(c_rarg3, src); | |
| 60 _num_args++; | |
| 61 break; | |
| 62 default: | |
| 63 __ movl(rax, src); | |
| 64 __ movl(Address(to(), _stack_offset), rax); | |
| 65 _stack_offset += wordSize; | |
| 66 break; | |
| 67 } | |
| 68 #else | |
| 69 switch (_num_int_args) { | |
| 70 case 0: | |
| 71 __ movl(c_rarg1, src); | |
| 72 _num_int_args++; | |
| 73 break; | |
| 74 case 1: | |
| 75 __ movl(c_rarg2, src); | |
| 76 _num_int_args++; | |
| 77 break; | |
| 78 case 2: | |
| 79 __ movl(c_rarg3, src); | |
| 80 _num_int_args++; | |
| 81 break; | |
| 82 case 3: | |
| 83 __ movl(c_rarg4, src); | |
| 84 _num_int_args++; | |
| 85 break; | |
| 86 case 4: | |
| 87 __ movl(c_rarg5, src); | |
| 88 _num_int_args++; | |
| 89 break; | |
| 90 default: | |
| 91 __ movl(rax, src); | |
| 92 __ movl(Address(to(), _stack_offset), rax); | |
| 93 _stack_offset += wordSize; | |
| 94 break; | |
| 95 } | |
| 96 #endif | |
| 97 } | |
| 98 | |
| 99 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { | |
| 100 const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1)); | |
| 101 | |
| 102 #ifdef _WIN64 | |
| 103 switch (_num_args) { | |
| 104 case 0: | |
| 304 | 105 __ movptr(c_rarg1, src); |
| 0 | 106 _num_args++; |
| 107 break; | |
| 108 case 1: | |
| 304 | 109 __ movptr(c_rarg2, src); |
| 0 | 110 _num_args++; |
| 111 break; | |
| 112 case 2: | |
| 304 | 113 __ movptr(c_rarg3, src); |
| 0 | 114 _num_args++; |
| 115 break; | |
| 116 case 3: | |
| 117 default: | |
| 304 | 118 __ movptr(rax, src); |
| 119 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 120 _stack_offset += wordSize; |
| 121 break; | |
| 122 } | |
| 123 #else | |
| 124 switch (_num_int_args) { | |
| 125 case 0: | |
| 304 | 126 __ movptr(c_rarg1, src); |
| 0 | 127 _num_int_args++; |
| 128 break; | |
| 129 case 1: | |
| 304 | 130 __ movptr(c_rarg2, src); |
| 0 | 131 _num_int_args++; |
| 132 break; | |
| 133 case 2: | |
| 304 | 134 __ movptr(c_rarg3, src); |
| 0 | 135 _num_int_args++; |
| 136 break; | |
| 137 case 3: | |
| 304 | 138 __ movptr(c_rarg4, src); |
| 0 | 139 _num_int_args++; |
| 140 break; | |
| 141 case 4: | |
| 304 | 142 __ movptr(c_rarg5, src); |
| 0 | 143 _num_int_args++; |
| 144 break; | |
| 145 default: | |
| 304 | 146 __ movptr(rax, src); |
| 147 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 148 _stack_offset += wordSize; |
| 149 break; | |
| 150 } | |
| 151 #endif | |
| 152 } | |
| 153 | |
| 154 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { | |
| 155 const Address src(from(), Interpreter::local_offset_in_bytes(offset())); | |
| 156 | |
| 157 #ifdef _WIN64 | |
| 158 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 159 __ movflt(as_XMMRegister(++_num_args), src); | |
| 160 } else { | |
| 161 __ movl(rax, src); | |
| 162 __ movl(Address(to(), _stack_offset), rax); | |
| 163 _stack_offset += wordSize; | |
| 164 } | |
| 165 #else | |
| 166 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 167 __ movflt(as_XMMRegister(_num_fp_args++), src); | |
| 168 } else { | |
| 169 __ movl(rax, src); | |
| 170 __ movl(Address(to(), _stack_offset), rax); | |
| 171 _stack_offset += wordSize; | |
| 172 } | |
| 173 #endif | |
| 174 } | |
| 175 | |
| 176 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() { | |
| 177 const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1)); | |
| 178 | |
| 179 #ifdef _WIN64 | |
| 180 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 181 __ movdbl(as_XMMRegister(++_num_args), src); | |
| 182 } else { | |
| 304 | 183 __ movptr(rax, src); |
| 184 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 185 _stack_offset += wordSize; |
| 186 } | |
| 187 #else | |
| 188 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 189 __ movdbl(as_XMMRegister(_num_fp_args++), src); | |
| 190 } else { | |
| 304 | 191 __ movptr(rax, src); |
| 192 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 193 _stack_offset += wordSize; |
| 194 } | |
| 195 #endif | |
| 196 } | |
| 197 | |
| 198 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { | |
| 199 const Address src(from(), Interpreter::local_offset_in_bytes(offset())); | |
| 200 | |
| 201 #ifdef _WIN64 | |
| 202 switch (_num_args) { | |
| 203 case 0: | |
| 204 assert(offset() == 0, "argument register 1 can only be (non-null) receiver"); | |
| 304 | 205 __ lea(c_rarg1, src); |
| 0 | 206 _num_args++; |
| 207 break; | |
| 208 case 1: | |
| 304 | 209 __ lea(rax, src); |
| 0 | 210 __ xorl(c_rarg2, c_rarg2); |
| 304 | 211 __ cmpptr(src, 0); |
| 212 __ cmov(Assembler::notEqual, c_rarg2, rax); | |
| 0 | 213 _num_args++; |
| 214 break; | |
| 215 case 2: | |
| 304 | 216 __ lea(rax, src); |
| 0 | 217 __ xorl(c_rarg3, c_rarg3); |
| 304 | 218 __ cmpptr(src, 0); |
| 219 __ cmov(Assembler::notEqual, c_rarg3, rax); | |
| 0 | 220 _num_args++; |
| 221 break; | |
| 222 default: | |
| 304 | 223 __ lea(rax, src); |
| 0 | 224 __ xorl(temp(), temp()); |
| 304 | 225 __ cmpptr(src, 0); |
| 226 __ cmov(Assembler::notEqual, temp(), rax); | |
| 227 __ movptr(Address(to(), _stack_offset), temp()); | |
| 0 | 228 _stack_offset += wordSize; |
| 229 break; | |
| 230 } | |
| 231 #else | |
| 232 switch (_num_int_args) { | |
| 233 case 0: | |
| 234 assert(offset() == 0, "argument register 1 can only be (non-null) receiver"); | |
| 304 | 235 __ lea(c_rarg1, src); |
| 0 | 236 _num_int_args++; |
| 237 break; | |
| 238 case 1: | |
| 304 | 239 __ lea(rax, src); |
| 0 | 240 __ xorl(c_rarg2, c_rarg2); |
| 304 | 241 __ cmpptr(src, 0); |
| 242 __ cmov(Assembler::notEqual, c_rarg2, rax); | |
| 0 | 243 _num_int_args++; |
| 244 break; | |
| 245 case 2: | |
| 304 | 246 __ lea(rax, src); |
| 0 | 247 __ xorl(c_rarg3, c_rarg3); |
| 304 | 248 __ cmpptr(src, 0); |
| 249 __ cmov(Assembler::notEqual, c_rarg3, rax); | |
| 0 | 250 _num_int_args++; |
| 251 break; | |
| 252 case 3: | |
| 304 | 253 __ lea(rax, src); |
| 0 | 254 __ xorl(c_rarg4, c_rarg4); |
| 304 | 255 __ cmpptr(src, 0); |
| 256 __ cmov(Assembler::notEqual, c_rarg4, rax); | |
| 0 | 257 _num_int_args++; |
| 258 break; | |
| 259 case 4: | |
| 304 | 260 __ lea(rax, src); |
| 0 | 261 __ xorl(c_rarg5, c_rarg5); |
| 304 | 262 __ cmpptr(src, 0); |
| 263 __ cmov(Assembler::notEqual, c_rarg5, rax); | |
| 0 | 264 _num_int_args++; |
| 265 break; | |
| 266 default: | |
| 304 | 267 __ lea(rax, src); |
| 0 | 268 __ xorl(temp(), temp()); |
| 304 | 269 __ cmpptr(src, 0); |
| 270 __ cmov(Assembler::notEqual, temp(), rax); | |
| 271 __ movptr(Address(to(), _stack_offset), temp()); | |
| 0 | 272 _stack_offset += wordSize; |
| 273 break; | |
| 274 } | |
| 275 #endif | |
| 276 } | |
| 277 | |
| 278 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) { | |
| 279 // generate code to handle arguments | |
| 280 iterate(fingerprint); | |
| 281 | |
| 282 // return result handler | |
| 283 __ lea(rax, ExternalAddress(Interpreter::result_handler(method()->result_type()))); | |
| 284 __ ret(0); | |
| 285 | |
| 286 __ flush(); | |
| 287 } | |
| 288 | |
| 289 | |
| 290 // Implementation of SignatureHandlerLibrary | |
| 291 | |
| 292 void SignatureHandlerLibrary::pd_set_handler(address handler) {} | |
| 293 | |
| 294 | |
| 295 #ifdef _WIN64 | |
| 296 class SlowSignatureHandler | |
| 297 : public NativeSignatureIterator { | |
| 298 private: | |
| 299 address _from; | |
| 300 intptr_t* _to; | |
| 301 intptr_t* _reg_args; | |
| 302 intptr_t* _fp_identifiers; | |
| 303 unsigned int _num_args; | |
| 304 | |
| 305 virtual void pass_int() | |
| 306 { | |
| 307 jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 308 _from -= Interpreter::stackElementSize; |
| 0 | 309 |
| 310 if (_num_args < Argument::n_int_register_parameters_c-1) { | |
| 311 *_reg_args++ = from_obj; | |
| 312 _num_args++; | |
| 313 } else { | |
| 314 *_to++ = from_obj; | |
| 315 } | |
| 316 } | |
| 317 | |
| 318 virtual void pass_long() | |
| 319 { | |
| 320 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 321 _from -= 2*Interpreter::stackElementSize; |
| 0 | 322 |
| 323 if (_num_args < Argument::n_int_register_parameters_c-1) { | |
| 324 *_reg_args++ = from_obj; | |
| 325 _num_args++; | |
| 326 } else { | |
| 327 *_to++ = from_obj; | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 virtual void pass_object() | |
| 332 { | |
| 333 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 334 _from -= Interpreter::stackElementSize; |
| 0 | 335 if (_num_args < Argument::n_int_register_parameters_c-1) { |
| 336 *_reg_args++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 337 _num_args++; | |
| 338 } else { | |
| 339 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 340 } | |
| 341 } | |
| 342 | |
| 343 virtual void pass_float() | |
| 344 { | |
| 345 jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 346 _from -= Interpreter::stackElementSize; |
| 0 | 347 |
| 348 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 349 *_reg_args++ = from_obj; | |
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350 *_fp_identifiers |= (intptr_t)(0x01 << (_num_args*2)); // mark as float |
| 0 | 351 _num_args++; |
| 352 } else { | |
| 353 *_to++ = from_obj; | |
| 354 } | |
| 355 } | |
| 356 | |
| 357 virtual void pass_double() | |
| 358 { | |
| 359 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 360 _from -= 2*Interpreter::stackElementSize; |
| 0 | 361 |
| 362 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 363 *_reg_args++ = from_obj; | |
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364 *_fp_identifiers |= (intptr_t)(0x3 << (_num_args*2)); // mark as double |
| 0 | 365 _num_args++; |
| 366 } else { | |
| 367 *_to++ = from_obj; | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 public: | |
| 372 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) | |
| 373 : NativeSignatureIterator(method) | |
| 374 { | |
| 375 _from = from; | |
| 376 _to = to; | |
| 377 | |
| 378 _reg_args = to - (method->is_static() ? 4 : 5); | |
| 379 _fp_identifiers = to - 2; | |
| 380 _to = _to + 4; // Windows reserves stack space for register arguments | |
| 381 *(int*) _fp_identifiers = 0; | |
| 382 _num_args = (method->is_static() ? 1 : 0); | |
| 383 } | |
| 384 }; | |
| 385 #else | |
| 386 class SlowSignatureHandler | |
| 387 : public NativeSignatureIterator { | |
| 388 private: | |
| 389 address _from; | |
| 390 intptr_t* _to; | |
| 391 intptr_t* _int_args; | |
| 392 intptr_t* _fp_args; | |
| 393 intptr_t* _fp_identifiers; | |
| 394 unsigned int _num_int_args; | |
| 395 unsigned int _num_fp_args; | |
| 396 | |
| 397 virtual void pass_int() | |
| 398 { | |
| 399 jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 400 _from -= Interpreter::stackElementSize; |
| 0 | 401 |
| 402 if (_num_int_args < Argument::n_int_register_parameters_c-1) { | |
| 403 *_int_args++ = from_obj; | |
| 404 _num_int_args++; | |
| 405 } else { | |
| 406 *_to++ = from_obj; | |
| 407 } | |
| 408 } | |
| 409 | |
| 410 virtual void pass_long() | |
| 411 { | |
| 412 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 413 _from -= 2*Interpreter::stackElementSize; |
| 0 | 414 |
| 415 if (_num_int_args < Argument::n_int_register_parameters_c-1) { | |
| 416 *_int_args++ = from_obj; | |
| 417 _num_int_args++; | |
| 418 } else { | |
| 419 *_to++ = from_obj; | |
| 420 } | |
| 421 } | |
| 422 | |
| 423 virtual void pass_object() | |
| 424 { | |
| 425 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 426 _from -= Interpreter::stackElementSize; |
| 0 | 427 |
| 428 if (_num_int_args < Argument::n_int_register_parameters_c-1) { | |
| 429 *_int_args++ = (*from_addr == 0) ? NULL : (intptr_t)from_addr; | |
| 430 _num_int_args++; | |
| 431 } else { | |
| 432 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 433 } | |
| 434 } | |
| 435 | |
| 436 virtual void pass_float() | |
| 437 { | |
| 438 jint from_obj = *(jint*)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 439 _from -= Interpreter::stackElementSize; |
| 0 | 440 |
| 441 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 442 *_fp_args++ = from_obj; | |
| 443 _num_fp_args++; | |
| 444 } else { | |
| 445 *_to++ = from_obj; | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 virtual void pass_double() | |
| 450 { | |
| 451 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 452 _from -= 2*Interpreter::stackElementSize; |
| 0 | 453 |
| 454 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 455 *_fp_args++ = from_obj; | |
| 456 *_fp_identifiers |= (1 << _num_fp_args); // mark as double | |
| 457 _num_fp_args++; | |
| 458 } else { | |
| 459 *_to++ = from_obj; | |
| 460 } | |
| 461 } | |
| 462 | |
| 463 public: | |
| 464 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) | |
| 465 : NativeSignatureIterator(method) | |
| 466 { | |
| 467 _from = from; | |
| 468 _to = to; | |
| 469 | |
| 470 _int_args = to - (method->is_static() ? 14 : 15); | |
| 471 _fp_args = to - 9; | |
| 472 _fp_identifiers = to - 10; | |
| 473 *(int*) _fp_identifiers = 0; | |
| 474 _num_int_args = (method->is_static() ? 1 : 0); | |
| 475 _num_fp_args = 0; | |
| 476 } | |
| 477 }; | |
| 478 #endif | |
| 479 | |
| 480 | |
| 481 IRT_ENTRY(address, | |
| 482 InterpreterRuntime::slow_signature_handler(JavaThread* thread, | |
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483 Method* method, |
| 0 | 484 intptr_t* from, |
| 485 intptr_t* to)) | |
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486 methodHandle m(thread, (Method*)method); |
| 0 | 487 assert(m->is_native(), "sanity check"); |
| 488 | |
| 489 // handle arguments | |
| 490 SlowSignatureHandler(m, (address)from, to + 1).iterate(UCONST64(-1)); | |
| 491 | |
| 492 // return result handler | |
| 493 return Interpreter::result_handler(m->result_type()); | |
| 494 IRT_END |