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annotate src/cpu/x86/vm/interpreterRT_x86_64.cpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 2338d41fbd81 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2010, 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 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_interpreterRT_x86_64.cpp.incl" | |
| 27 | |
| 28 #define __ _masm-> | |
| 29 | |
| 30 // Implementation of SignatureHandlerGenerator | |
| 31 | |
| 32 Register InterpreterRuntime::SignatureHandlerGenerator::from() { return r14; } | |
| 33 Register InterpreterRuntime::SignatureHandlerGenerator::to() { return rsp; } | |
| 34 Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rscratch1; } | |
| 35 | |
| 36 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() { | |
| 37 const Address src(from(), Interpreter::local_offset_in_bytes(offset())); | |
| 38 | |
| 39 #ifdef _WIN64 | |
| 40 switch (_num_args) { | |
| 41 case 0: | |
| 42 __ movl(c_rarg1, src); | |
| 43 _num_args++; | |
| 44 break; | |
| 45 case 1: | |
| 46 __ movl(c_rarg2, src); | |
| 47 _num_args++; | |
| 48 break; | |
| 49 case 2: | |
| 50 __ movl(c_rarg3, src); | |
| 51 _num_args++; | |
| 52 break; | |
| 53 default: | |
| 54 __ movl(rax, src); | |
| 55 __ movl(Address(to(), _stack_offset), rax); | |
| 56 _stack_offset += wordSize; | |
| 57 break; | |
| 58 } | |
| 59 #else | |
| 60 switch (_num_int_args) { | |
| 61 case 0: | |
| 62 __ movl(c_rarg1, src); | |
| 63 _num_int_args++; | |
| 64 break; | |
| 65 case 1: | |
| 66 __ movl(c_rarg2, src); | |
| 67 _num_int_args++; | |
| 68 break; | |
| 69 case 2: | |
| 70 __ movl(c_rarg3, src); | |
| 71 _num_int_args++; | |
| 72 break; | |
| 73 case 3: | |
| 74 __ movl(c_rarg4, src); | |
| 75 _num_int_args++; | |
| 76 break; | |
| 77 case 4: | |
| 78 __ movl(c_rarg5, src); | |
| 79 _num_int_args++; | |
| 80 break; | |
| 81 default: | |
| 82 __ movl(rax, src); | |
| 83 __ movl(Address(to(), _stack_offset), rax); | |
| 84 _stack_offset += wordSize; | |
| 85 break; | |
| 86 } | |
| 87 #endif | |
| 88 } | |
| 89 | |
| 90 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { | |
| 91 const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1)); | |
| 92 | |
| 93 #ifdef _WIN64 | |
| 94 switch (_num_args) { | |
| 95 case 0: | |
| 304 | 96 __ movptr(c_rarg1, src); |
| 0 | 97 _num_args++; |
| 98 break; | |
| 99 case 1: | |
| 304 | 100 __ movptr(c_rarg2, src); |
| 0 | 101 _num_args++; |
| 102 break; | |
| 103 case 2: | |
| 304 | 104 __ movptr(c_rarg3, src); |
| 0 | 105 _num_args++; |
| 106 break; | |
| 107 case 3: | |
| 108 default: | |
| 304 | 109 __ movptr(rax, src); |
| 110 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 111 _stack_offset += wordSize; |
| 112 break; | |
| 113 } | |
| 114 #else | |
| 115 switch (_num_int_args) { | |
| 116 case 0: | |
| 304 | 117 __ movptr(c_rarg1, src); |
| 0 | 118 _num_int_args++; |
| 119 break; | |
| 120 case 1: | |
| 304 | 121 __ movptr(c_rarg2, src); |
| 0 | 122 _num_int_args++; |
| 123 break; | |
| 124 case 2: | |
| 304 | 125 __ movptr(c_rarg3, src); |
| 0 | 126 _num_int_args++; |
| 127 break; | |
| 128 case 3: | |
| 304 | 129 __ movptr(c_rarg4, src); |
| 0 | 130 _num_int_args++; |
| 131 break; | |
| 132 case 4: | |
| 304 | 133 __ movptr(c_rarg5, src); |
| 0 | 134 _num_int_args++; |
| 135 break; | |
| 136 default: | |
| 304 | 137 __ movptr(rax, src); |
| 138 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 139 _stack_offset += wordSize; |
| 140 break; | |
| 141 } | |
| 142 #endif | |
| 143 } | |
| 144 | |
| 145 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { | |
| 146 const Address src(from(), Interpreter::local_offset_in_bytes(offset())); | |
| 147 | |
| 148 #ifdef _WIN64 | |
| 149 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 150 __ movflt(as_XMMRegister(++_num_args), src); | |
| 151 } else { | |
| 152 __ movl(rax, src); | |
| 153 __ movl(Address(to(), _stack_offset), rax); | |
| 154 _stack_offset += wordSize; | |
| 155 } | |
| 156 #else | |
| 157 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 158 __ movflt(as_XMMRegister(_num_fp_args++), src); | |
| 159 } else { | |
| 160 __ movl(rax, src); | |
| 161 __ movl(Address(to(), _stack_offset), rax); | |
| 162 _stack_offset += wordSize; | |
| 163 } | |
| 164 #endif | |
| 165 } | |
| 166 | |
| 167 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() { | |
| 168 const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1)); | |
| 169 | |
| 170 #ifdef _WIN64 | |
| 171 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 172 __ movdbl(as_XMMRegister(++_num_args), src); | |
| 173 } else { | |
| 304 | 174 __ movptr(rax, src); |
| 175 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 176 _stack_offset += wordSize; |
| 177 } | |
| 178 #else | |
| 179 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 180 __ movdbl(as_XMMRegister(_num_fp_args++), src); | |
| 181 } else { | |
| 304 | 182 __ movptr(rax, src); |
| 183 __ movptr(Address(to(), _stack_offset), rax); | |
| 0 | 184 _stack_offset += wordSize; |
| 185 } | |
| 186 #endif | |
| 187 } | |
| 188 | |
| 189 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { | |
| 190 const Address src(from(), Interpreter::local_offset_in_bytes(offset())); | |
| 191 | |
| 192 #ifdef _WIN64 | |
| 193 switch (_num_args) { | |
| 194 case 0: | |
| 195 assert(offset() == 0, "argument register 1 can only be (non-null) receiver"); | |
| 304 | 196 __ lea(c_rarg1, src); |
| 0 | 197 _num_args++; |
| 198 break; | |
| 199 case 1: | |
| 304 | 200 __ lea(rax, src); |
| 0 | 201 __ xorl(c_rarg2, c_rarg2); |
| 304 | 202 __ cmpptr(src, 0); |
| 203 __ cmov(Assembler::notEqual, c_rarg2, rax); | |
| 0 | 204 _num_args++; |
| 205 break; | |
| 206 case 2: | |
| 304 | 207 __ lea(rax, src); |
| 0 | 208 __ xorl(c_rarg3, c_rarg3); |
| 304 | 209 __ cmpptr(src, 0); |
| 210 __ cmov(Assembler::notEqual, c_rarg3, rax); | |
| 0 | 211 _num_args++; |
| 212 break; | |
| 213 default: | |
| 304 | 214 __ lea(rax, src); |
| 0 | 215 __ xorl(temp(), temp()); |
| 304 | 216 __ cmpptr(src, 0); |
| 217 __ cmov(Assembler::notEqual, temp(), rax); | |
| 218 __ movptr(Address(to(), _stack_offset), temp()); | |
| 0 | 219 _stack_offset += wordSize; |
| 220 break; | |
| 221 } | |
| 222 #else | |
| 223 switch (_num_int_args) { | |
| 224 case 0: | |
| 225 assert(offset() == 0, "argument register 1 can only be (non-null) receiver"); | |
| 304 | 226 __ lea(c_rarg1, src); |
| 0 | 227 _num_int_args++; |
| 228 break; | |
| 229 case 1: | |
| 304 | 230 __ lea(rax, src); |
| 0 | 231 __ xorl(c_rarg2, c_rarg2); |
| 304 | 232 __ cmpptr(src, 0); |
| 233 __ cmov(Assembler::notEqual, c_rarg2, rax); | |
| 0 | 234 _num_int_args++; |
| 235 break; | |
| 236 case 2: | |
| 304 | 237 __ lea(rax, src); |
| 0 | 238 __ xorl(c_rarg3, c_rarg3); |
| 304 | 239 __ cmpptr(src, 0); |
| 240 __ cmov(Assembler::notEqual, c_rarg3, rax); | |
| 0 | 241 _num_int_args++; |
| 242 break; | |
| 243 case 3: | |
| 304 | 244 __ lea(rax, src); |
| 0 | 245 __ xorl(c_rarg4, c_rarg4); |
| 304 | 246 __ cmpptr(src, 0); |
| 247 __ cmov(Assembler::notEqual, c_rarg4, rax); | |
| 0 | 248 _num_int_args++; |
| 249 break; | |
| 250 case 4: | |
| 304 | 251 __ lea(rax, src); |
| 0 | 252 __ xorl(c_rarg5, c_rarg5); |
| 304 | 253 __ cmpptr(src, 0); |
| 254 __ cmov(Assembler::notEqual, c_rarg5, rax); | |
| 0 | 255 _num_int_args++; |
| 256 break; | |
| 257 default: | |
| 304 | 258 __ lea(rax, src); |
| 0 | 259 __ xorl(temp(), temp()); |
| 304 | 260 __ cmpptr(src, 0); |
| 261 __ cmov(Assembler::notEqual, temp(), rax); | |
| 262 __ movptr(Address(to(), _stack_offset), temp()); | |
| 0 | 263 _stack_offset += wordSize; |
| 264 break; | |
| 265 } | |
| 266 #endif | |
| 267 } | |
| 268 | |
| 269 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) { | |
| 270 // generate code to handle arguments | |
| 271 iterate(fingerprint); | |
| 272 | |
| 273 // return result handler | |
| 274 __ lea(rax, ExternalAddress(Interpreter::result_handler(method()->result_type()))); | |
| 275 __ ret(0); | |
| 276 | |
| 277 __ flush(); | |
| 278 } | |
| 279 | |
| 280 | |
| 281 // Implementation of SignatureHandlerLibrary | |
| 282 | |
| 283 void SignatureHandlerLibrary::pd_set_handler(address handler) {} | |
| 284 | |
| 285 | |
| 286 #ifdef _WIN64 | |
| 287 class SlowSignatureHandler | |
| 288 : public NativeSignatureIterator { | |
| 289 private: | |
| 290 address _from; | |
| 291 intptr_t* _to; | |
| 292 intptr_t* _reg_args; | |
| 293 intptr_t* _fp_identifiers; | |
| 294 unsigned int _num_args; | |
| 295 | |
| 296 virtual void pass_int() | |
| 297 { | |
| 298 jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 299 _from -= Interpreter::stackElementSize; |
| 0 | 300 |
| 301 if (_num_args < Argument::n_int_register_parameters_c-1) { | |
| 302 *_reg_args++ = from_obj; | |
| 303 _num_args++; | |
| 304 } else { | |
| 305 *_to++ = from_obj; | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 virtual void pass_long() | |
| 310 { | |
| 311 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 312 _from -= 2*Interpreter::stackElementSize; |
| 0 | 313 |
| 314 if (_num_args < Argument::n_int_register_parameters_c-1) { | |
| 315 *_reg_args++ = from_obj; | |
| 316 _num_args++; | |
| 317 } else { | |
| 318 *_to++ = from_obj; | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 virtual void pass_object() | |
| 323 { | |
| 324 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 325 _from -= Interpreter::stackElementSize; |
| 0 | 326 if (_num_args < Argument::n_int_register_parameters_c-1) { |
| 327 *_reg_args++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 328 _num_args++; | |
| 329 } else { | |
| 330 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 331 } | |
| 332 } | |
| 333 | |
| 334 virtual void pass_float() | |
| 335 { | |
| 336 jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 337 _from -= Interpreter::stackElementSize; |
| 0 | 338 |
| 339 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 340 *_reg_args++ = from_obj; | |
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341 *_fp_identifiers |= (intptr_t)(0x01 << (_num_args*2)); // mark as float |
| 0 | 342 _num_args++; |
| 343 } else { | |
| 344 *_to++ = from_obj; | |
| 345 } | |
| 346 } | |
| 347 | |
| 348 virtual void pass_double() | |
| 349 { | |
| 350 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 351 _from -= 2*Interpreter::stackElementSize; |
| 0 | 352 |
| 353 if (_num_args < Argument::n_float_register_parameters_c-1) { | |
| 354 *_reg_args++ = from_obj; | |
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355 *_fp_identifiers |= (intptr_t)(0x3 << (_num_args*2)); // mark as double |
| 0 | 356 _num_args++; |
| 357 } else { | |
| 358 *_to++ = from_obj; | |
| 359 } | |
| 360 } | |
| 361 | |
| 362 public: | |
| 363 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) | |
| 364 : NativeSignatureIterator(method) | |
| 365 { | |
| 366 _from = from; | |
| 367 _to = to; | |
| 368 | |
| 369 _reg_args = to - (method->is_static() ? 4 : 5); | |
| 370 _fp_identifiers = to - 2; | |
| 371 _to = _to + 4; // Windows reserves stack space for register arguments | |
| 372 *(int*) _fp_identifiers = 0; | |
| 373 _num_args = (method->is_static() ? 1 : 0); | |
| 374 } | |
| 375 }; | |
| 376 #else | |
| 377 class SlowSignatureHandler | |
| 378 : public NativeSignatureIterator { | |
| 379 private: | |
| 380 address _from; | |
| 381 intptr_t* _to; | |
| 382 intptr_t* _int_args; | |
| 383 intptr_t* _fp_args; | |
| 384 intptr_t* _fp_identifiers; | |
| 385 unsigned int _num_int_args; | |
| 386 unsigned int _num_fp_args; | |
| 387 | |
| 388 virtual void pass_int() | |
| 389 { | |
| 390 jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 391 _from -= Interpreter::stackElementSize; |
| 0 | 392 |
| 393 if (_num_int_args < Argument::n_int_register_parameters_c-1) { | |
| 394 *_int_args++ = from_obj; | |
| 395 _num_int_args++; | |
| 396 } else { | |
| 397 *_to++ = from_obj; | |
| 398 } | |
| 399 } | |
| 400 | |
| 401 virtual void pass_long() | |
| 402 { | |
| 403 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 404 _from -= 2*Interpreter::stackElementSize; |
| 0 | 405 |
| 406 if (_num_int_args < Argument::n_int_register_parameters_c-1) { | |
| 407 *_int_args++ = from_obj; | |
| 408 _num_int_args++; | |
| 409 } else { | |
| 410 *_to++ = from_obj; | |
| 411 } | |
| 412 } | |
| 413 | |
| 414 virtual void pass_object() | |
| 415 { | |
| 416 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 417 _from -= Interpreter::stackElementSize; |
| 0 | 418 |
| 419 if (_num_int_args < Argument::n_int_register_parameters_c-1) { | |
| 420 *_int_args++ = (*from_addr == 0) ? NULL : (intptr_t)from_addr; | |
| 421 _num_int_args++; | |
| 422 } else { | |
| 423 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 424 } | |
| 425 } | |
| 426 | |
| 427 virtual void pass_float() | |
| 428 { | |
| 429 jint from_obj = *(jint*)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 430 _from -= Interpreter::stackElementSize; |
| 0 | 431 |
| 432 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 433 *_fp_args++ = from_obj; | |
| 434 _num_fp_args++; | |
| 435 } else { | |
| 436 *_to++ = from_obj; | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 virtual void pass_double() | |
| 441 { | |
| 442 intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 443 _from -= 2*Interpreter::stackElementSize; |
| 0 | 444 |
| 445 if (_num_fp_args < Argument::n_float_register_parameters_c) { | |
| 446 *_fp_args++ = from_obj; | |
| 447 *_fp_identifiers |= (1 << _num_fp_args); // mark as double | |
| 448 _num_fp_args++; | |
| 449 } else { | |
| 450 *_to++ = from_obj; | |
| 451 } | |
| 452 } | |
| 453 | |
| 454 public: | |
| 455 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) | |
| 456 : NativeSignatureIterator(method) | |
| 457 { | |
| 458 _from = from; | |
| 459 _to = to; | |
| 460 | |
| 461 _int_args = to - (method->is_static() ? 14 : 15); | |
| 462 _fp_args = to - 9; | |
| 463 _fp_identifiers = to - 10; | |
| 464 *(int*) _fp_identifiers = 0; | |
| 465 _num_int_args = (method->is_static() ? 1 : 0); | |
| 466 _num_fp_args = 0; | |
| 467 } | |
| 468 }; | |
| 469 #endif | |
| 470 | |
| 471 | |
| 472 IRT_ENTRY(address, | |
| 473 InterpreterRuntime::slow_signature_handler(JavaThread* thread, | |
| 474 methodOopDesc* method, | |
| 475 intptr_t* from, | |
| 476 intptr_t* to)) | |
| 477 methodHandle m(thread, (methodOop)method); | |
| 478 assert(m->is_native(), "sanity check"); | |
| 479 | |
| 480 // handle arguments | |
| 481 SlowSignatureHandler(m, (address)from, to + 1).iterate(UCONST64(-1)); | |
| 482 | |
| 483 // return result handler | |
| 484 return Interpreter::result_handler(m->result_type()); | |
| 485 IRT_END |