1 /* 2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_UTILITIES_MACROS_HPP 26 #define SHARE_VM_UTILITIES_MACROS_HPP 27 28 // Use this to mark code that needs to be cleaned up (for development only) 29 #define NEEDS_CLEANUP 30 31 // Makes a string of the argument (which is not macro-expanded) 32 #define STR(a) #a 33 34 // Makes a string of the macro expansion of a 35 #define XSTR(a) STR(a) 36 37 // Allow commas in macro arguments. 38 #define COMMA , 39 40 // Apply pre-processor token pasting to the expansions of x and y. 41 // The token pasting operator (##) prevents its arguments from being 42 // expanded. This macro allows expansion of its arguments before the 43 // concatenation is performed. Note: One auxilliary level ought to be 44 // sufficient, but two are used because of bugs in some preprocesors. 45 #define PASTE_TOKENS(x, y) PASTE_TOKENS_AUX(x, y) 46 #define PASTE_TOKENS_AUX(x, y) PASTE_TOKENS_AUX2(x, y) 47 #define PASTE_TOKENS_AUX2(x, y) x ## y 48 49 // -DINCLUDE_<something>=0 | 1 can be specified on the command line to include 50 // or exclude functionality. 51 52 #ifndef INCLUDE_JVMTI 53 #define INCLUDE_JVMTI 1 54 #endif // INCLUDE_JVMTI 55 56 #if INCLUDE_JVMTI 57 #define JVMTI_ONLY(x) x 58 #define NOT_JVMTI(x) 59 #define NOT_JVMTI_RETURN 60 #define NOT_JVMTI_RETURN_(code) /* next token must be ; */ 61 #else 62 #define JVMTI_ONLY(x) 63 #define NOT_JVMTI(x) x 64 #define NOT_JVMTI_RETURN { return; } 65 #define NOT_JVMTI_RETURN_(code) { return code; } 66 #endif // INCLUDE_JVMTI 67 68 #ifndef INCLUDE_VM_STRUCTS 69 #define INCLUDE_VM_STRUCTS 1 70 #endif 71 72 #if INCLUDE_VM_STRUCTS 73 #define NOT_VM_STRUCTS_RETURN /* next token must be ; */ 74 #define NOT_VM_STRUCTS_RETURN_(code) /* next token must be ; */ 75 #else 76 #define NOT_VM_STRUCTS_RETURN {} 77 #define NOT_VM_STRUCTS_RETURN_(code) { return code; } 78 #endif // INCLUDE_VM_STRUCTS 79 80 #ifndef INCLUDE_JNI_CHECK 81 #define INCLUDE_JNI_CHECK 1 82 #endif 83 84 #if INCLUDE_JNI_CHECK 85 #define NOT_JNI_CHECK_RETURN /* next token must be ; */ 86 #define NOT_JNI_CHECK_RETURN_(code) /* next token must be ; */ 87 #else 88 #define NOT_JNI_CHECK_RETURN {} 89 #define NOT_JNI_CHECK_RETURN_(code) { return code; } 90 #endif // INCLUDE_JNI_CHECK 91 92 #ifndef INCLUDE_SERVICES 93 #define INCLUDE_SERVICES 1 94 #endif 95 96 #if INCLUDE_SERVICES 97 #define NOT_SERVICES_RETURN /* next token must be ; */ 98 #define NOT_SERVICES_RETURN_(code) /* next token must be ; */ 99 #else 100 #define NOT_SERVICES_RETURN {} 101 #define NOT_SERVICES_RETURN_(code) { return code; } 102 #endif // INCLUDE_SERVICES 103 104 #ifndef INCLUDE_CDS 105 #define INCLUDE_CDS 1 106 #endif 107 108 #if INCLUDE_CDS 109 #define CDS_ONLY(x) x 110 #define NOT_CDS(x) 111 #define NOT_CDS_RETURN /* next token must be ; */ 112 #define NOT_CDS_RETURN0 /* next token must be ; */ 113 #define NOT_CDS_RETURN_(code) /* next token must be ; */ 114 #else 115 #define CDS_ONLY(x) 116 #define NOT_CDS(x) x 117 #define NOT_CDS_RETURN {} 118 #define NOT_CDS_RETURN0 { return 0; } 119 #define NOT_CDS_RETURN_(code) { return code; } 120 #endif // INCLUDE_CDS 121 122 #ifndef INCLUDE_MANAGEMENT 123 #define INCLUDE_MANAGEMENT 1 124 #endif // INCLUDE_MANAGEMENT 125 126 #if INCLUDE_MANAGEMENT 127 #define NOT_MANAGEMENT_RETURN /* next token must be ; */ 128 #define NOT_MANAGEMENT_RETURN_(code) /* next token must be ; */ 129 #else 130 #define NOT_MANAGEMENT_RETURN {} 131 #define NOT_MANAGEMENT_RETURN_(code) { return code; } 132 #endif // INCLUDE_MANAGEMENT 133 134 #ifndef INCLUDE_CMSGC 135 #define INCLUDE_CMSGC 1 136 #endif // INCLUDE_CMSGC 137 138 #if INCLUDE_CMSGC 139 #define CMSGC_ONLY(x) x 140 #define CMSGC_ONLY_ARG(arg) arg, 141 #define NOT_CMSGC(x) 142 #define NOT_CMSGC_RETURN /* next token must be ; */ 143 #define NOT_CMSGC_RETURN_(code) /* next token must be ; */ 144 #else 145 #define CMSGC_ONLY(x) 146 #define CMSGC_ONLY_ARG(x) 147 #define NOT_CMSGC(x) x 148 #define NOT_CMSGC_RETURN {} 149 #define NOT_CMSGC_RETURN_(code) { return code; } 150 #endif // INCLUDE_CMSGC 151 152 #ifndef INCLUDE_EPSILONGC 153 #define INCLUDE_EPSILONGC 1 154 #endif // INCLUDE_EPSILONGC 155 156 #if INCLUDE_EPSILONGC 157 #define EPSILONGC_ONLY(x) x 158 #define EPSILONGC_ONLY_ARG(arg) arg, 159 #define NOT_EPSILONGC(x) 160 #define NOT_EPSILONGC_RETURN /* next token must be ; */ 161 #define NOT_EPSILONGC_RETURN_(code) /* next token must be ; */ 162 #else 163 #define EPSILONGC_ONLY(x) 164 #define EPSILONGC_ONLY_ARG(arg) 165 #define NOT_EPSILONGC(x) x 166 #define NOT_EPSILONGC_RETURN {} 167 #define NOT_EPSILONGC_RETURN_(code) { return code; } 168 #endif // INCLUDE_EPSILONGC 169 170 #ifndef INCLUDE_G1GC 171 #define INCLUDE_G1GC 1 172 #endif // INCLUDE_G1GC 173 174 #if INCLUDE_G1GC 175 #define G1GC_ONLY(x) x 176 #define G1GC_ONLY_ARG(arg) arg, 177 #define NOT_G1GC(x) 178 #define NOT_G1GC_RETURN /* next token must be ; */ 179 #define NOT_G1GC_RETURN_(code) /* next token must be ; */ 180 #else 181 #define G1GC_ONLY(x) 182 #define G1GC_ONLY_ARG(arg) 183 #define NOT_G1GC(x) x 184 #define NOT_G1GC_RETURN {} 185 #define NOT_G1GC_RETURN_(code) { return code; } 186 #endif // INCLUDE_G1GC 187 188 #ifndef INCLUDE_PARALLELGC 189 #define INCLUDE_PARALLELGC 1 190 #endif // INCLUDE_PARALLELGC 191 192 #if INCLUDE_PARALLELGC 193 #define PARALLELGC_ONLY(x) x 194 #define PARALLELGC_ONLY_ARG(arg) arg, 195 #define NOT_PARALLELGC(x) 196 #define NOT_PARALLELGC_RETURN /* next token must be ; */ 197 #define NOT_PARALLELGC_RETURN_(code) /* next token must be ; */ 198 #else 199 #define PARALLELGC_ONLY(x) 200 #define PARALLELGC_ONLY_ARG(arg) 201 #define NOT_PARALLELGC(x) x 202 #define NOT_PARALLELGC_RETURN {} 203 #define NOT_PARALLELGC_RETURN_(code) { return code; } 204 #endif // INCLUDE_PARALLELGC 205 206 #ifndef INCLUDE_SERIALGC 207 #define INCLUDE_SERIALGC 1 208 #endif // INCLUDE_SERIALGC 209 210 #if INCLUDE_SERIALGC 211 #define SERIALGC_ONLY(x) x 212 #define SERIALGC_ONLY_ARG(arg) arg, 213 #define NOT_SERIALGC(x) 214 #define NOT_SERIALGC_RETURN /* next token must be ; */ 215 #define NOT_SERIALGC_RETURN_(code) /* next token must be ; */ 216 #else 217 #define SERIALGC_ONLY(x) 218 #define SERIALGC_ONLY_ARG(arg) 219 #define NOT_SERIALGC(x) x 220 #define NOT_SERIALGC_RETURN {} 221 #define NOT_SERIALGC_RETURN_(code) { return code; } 222 #endif // INCLUDE_SERIALGC 223 224 #ifndef INCLUDE_ZGC 225 #define INCLUDE_ZGC 1 226 #endif // INCLUDE_ZGC 227 228 #if INCLUDE_ZGC 229 #define ZGC_ONLY(x) x 230 #define ZGC_ONLY_ARG(arg) arg, 231 #define NOT_ZGC(x) 232 #define NOT_ZGC_RETURN /* next token must be ; */ 233 #define NOT_ZGC_RETURN_(code) /* next token must be ; */ 234 #else 235 #define ZGC_ONLY(x) 236 #define ZGC_ONLY_ARG(arg) 237 #define NOT_ZGC(x) x 238 #define NOT_ZGC_RETURN {} 239 #define NOT_ZGC_RETURN_(code) { return code; } 240 #endif // INCLUDE_ZGC 241 242 #ifndef INCLUDE_NMT 243 #define INCLUDE_NMT 1 244 #endif // INCLUDE_NMT 245 246 #if INCLUDE_NMT 247 #define NOT_NMT_RETURN /* next token must be ; */ 248 #define NOT_NMT_RETURN_(code) /* next token must be ; */ 249 #define NMT_ONLY(x) x 250 #define NOT_NMT(x) 251 #else 252 #define NOT_NMT_RETURN {} 253 #define NOT_NMT_RETURN_(code) { return code; } 254 #define NMT_ONLY(x) 255 #define NOT_NMT(x) x 256 #endif // INCLUDE_NMT 257 258 #ifndef INCLUDE_JFR 259 #define INCLUDE_JFR 1 260 #endif 261 262 #if INCLUDE_JFR 263 #define JFR_ONLY(code) code 264 #else 265 #define JFR_ONLY(code) 266 #endif 267 268 #ifndef INCLUDE_JVMCI 269 #define INCLUDE_JVMCI 1 270 #endif 271 272 #ifndef INCLUDE_AOT 273 #define INCLUDE_AOT 1 274 #endif 275 276 #if INCLUDE_AOT && !INCLUDE_JVMCI 277 # error "Must have JVMCI for AOT" 278 #endif 279 280 #if INCLUDE_JVMCI 281 #define JVMCI_ONLY(code) code 282 #define NOT_JVMCI(code) 283 #define NOT_JVMCI_RETURN /* next token must be ; */ 284 #else 285 #define JVMCI_ONLY(code) 286 #define NOT_JVMCI(code) code 287 #define NOT_JVMCI_RETURN {} 288 #endif // INCLUDE_JVMCI 289 290 #if INCLUDE_AOT 291 #define AOT_ONLY(code) code 292 #define NOT_AOT(code) 293 #define NOT_AOT_RETURN /* next token must be ; */ 294 #else 295 #define AOT_ONLY(code) 296 #define NOT_AOT(code) code 297 #define NOT_AOT_RETURN {} 298 #endif // INCLUDE_AOT 299 300 // COMPILER1 variant 301 #ifdef COMPILER1 302 #ifdef COMPILER2 303 #define TIERED 304 #endif 305 #define COMPILER1_PRESENT(code) code 306 #define NOT_COMPILER1(code) 307 #else // COMPILER1 308 #define COMPILER1_PRESENT(code) 309 #define NOT_COMPILER1(code) code 310 #endif // COMPILER1 311 312 // COMPILER2 variant 313 #ifdef COMPILER2 314 #define COMPILER2_PRESENT(code) code 315 #define NOT_COMPILER2(code) 316 #else // COMPILER2 317 #define COMPILER2_PRESENT(code) 318 #define NOT_COMPILER2(code) code 319 #endif // COMPILER2 320 321 // COMPILER2 or JVMCI 322 #if defined(COMPILER2) || INCLUDE_JVMCI 323 #define COMPILER2_OR_JVMCI 1 324 #define COMPILER2_OR_JVMCI_PRESENT(code) code 325 #define NOT_COMPILER2_OR_JVMCI(code) 326 #else 327 #define COMPILER2_OR_JVMCI 0 328 #define COMPILER2_OR_JVMCI_PRESENT(code) 329 #define NOT_COMPILER2_OR_JVMCI(code) code 330 #endif 331 332 #ifdef TIERED 333 #define TIERED_ONLY(code) code 334 #define NOT_TIERED(code) 335 #else // TIERED 336 #define TIERED_ONLY(code) 337 #define NOT_TIERED(code) code 338 #endif // TIERED 339 340 341 // PRODUCT variant 342 #ifdef PRODUCT 343 #define PRODUCT_ONLY(code) code 344 #define NOT_PRODUCT(code) 345 #define NOT_PRODUCT_ARG(arg) 346 #define PRODUCT_RETURN {} 347 #define PRODUCT_RETURN0 { return 0; } 348 #define PRODUCT_RETURN_(code) { code } 349 #else // PRODUCT 350 #define PRODUCT_ONLY(code) 351 #define NOT_PRODUCT(code) code 352 #define NOT_PRODUCT_ARG(arg) arg, 353 #define PRODUCT_RETURN /*next token must be ;*/ 354 #define PRODUCT_RETURN0 /*next token must be ;*/ 355 #define PRODUCT_RETURN_(code) /*next token must be ;*/ 356 #endif // PRODUCT 357 358 #ifdef CHECK_UNHANDLED_OOPS 359 #define CHECK_UNHANDLED_OOPS_ONLY(code) code 360 #define NOT_CHECK_UNHANDLED_OOPS(code) 361 #else 362 #define CHECK_UNHANDLED_OOPS_ONLY(code) 363 #define NOT_CHECK_UNHANDLED_OOPS(code) code 364 #endif // CHECK_UNHANDLED_OOPS 365 366 #ifdef CC_INTERP 367 #define CC_INTERP_ONLY(code) code 368 #define NOT_CC_INTERP(code) 369 #else 370 #define CC_INTERP_ONLY(code) 371 #define NOT_CC_INTERP(code) code 372 #endif // CC_INTERP 373 374 #ifdef ASSERT 375 #define DEBUG_ONLY(code) code 376 #define NOT_DEBUG(code) 377 #define NOT_DEBUG_RETURN /*next token must be ;*/ 378 // Historical. 379 #define debug_only(code) code 380 #else // ASSERT 381 #define DEBUG_ONLY(code) 382 #define NOT_DEBUG(code) code 383 #define NOT_DEBUG_RETURN {} 384 #define debug_only(code) 385 #endif // ASSERT 386 387 #ifdef _LP64 388 #define LP64_ONLY(code) code 389 #define NOT_LP64(code) 390 #else // !_LP64 391 #define LP64_ONLY(code) 392 #define NOT_LP64(code) code 393 #endif // _LP64 394 395 #ifdef LINUX 396 #define LINUX_ONLY(code) code 397 #define NOT_LINUX(code) 398 #else 399 #define LINUX_ONLY(code) 400 #define NOT_LINUX(code) code 401 #endif 402 403 #ifdef AIX 404 #define AIX_ONLY(code) code 405 #define NOT_AIX(code) 406 #else 407 #define AIX_ONLY(code) 408 #define NOT_AIX(code) code 409 #endif 410 411 #ifdef SOLARIS 412 #define SOLARIS_ONLY(code) code 413 #define NOT_SOLARIS(code) 414 #else 415 #define SOLARIS_ONLY(code) 416 #define NOT_SOLARIS(code) code 417 #endif 418 419 #ifdef _WINDOWS 420 #define WINDOWS_ONLY(code) code 421 #define NOT_WINDOWS(code) 422 #else 423 #define WINDOWS_ONLY(code) 424 #define NOT_WINDOWS(code) code 425 #endif 426 427 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) 428 #ifndef BSD 429 #define BSD 430 #endif // BSD defined in <sys/param.h> 431 #define BSD_ONLY(code) code 432 #define NOT_BSD(code) 433 #else 434 #define BSD_ONLY(code) 435 #define NOT_BSD(code) code 436 #endif 437 438 #ifdef _WIN64 439 #define WIN64_ONLY(code) code 440 #define NOT_WIN64(code) 441 #else 442 #define WIN64_ONLY(code) 443 #define NOT_WIN64(code) code 444 #endif 445 446 #if defined(ZERO) 447 #define ZERO_ONLY(code) code 448 #define NOT_ZERO(code) 449 #else 450 #define ZERO_ONLY(code) 451 #define NOT_ZERO(code) code 452 #endif 453 454 #if defined(IA32) || defined(AMD64) 455 #define X86 456 #define X86_ONLY(code) code 457 #define NOT_X86(code) 458 #else 459 #undef X86 460 #define X86_ONLY(code) 461 #define NOT_X86(code) code 462 #endif 463 464 #ifdef IA32 465 #define IA32_ONLY(code) code 466 #define NOT_IA32(code) 467 #else 468 #define IA32_ONLY(code) 469 #define NOT_IA32(code) code 470 #endif 471 472 // This is a REALLY BIG HACK, but on AIX <sys/systemcfg.h> unconditionally defines IA64. 473 // At least on AIX 7.1 this is a real problem because 'systemcfg.h' is indirectly included 474 // by 'pthread.h' and other common system headers. 475 476 #if defined(IA64) && !defined(AIX) 477 #define IA64_ONLY(code) code 478 #define NOT_IA64(code) 479 #else 480 #define IA64_ONLY(code) 481 #define NOT_IA64(code) code 482 #endif 483 484 #ifdef AMD64 485 #define AMD64_ONLY(code) code 486 #define NOT_AMD64(code) 487 #else 488 #define AMD64_ONLY(code) 489 #define NOT_AMD64(code) code 490 #endif 491 492 #ifdef S390 493 #define S390_ONLY(code) code 494 #define NOT_S390(code) 495 #else 496 #define S390_ONLY(code) 497 #define NOT_S390(code) code 498 #endif 499 500 #ifdef SPARC 501 #define SPARC_ONLY(code) code 502 #define NOT_SPARC(code) 503 #else 504 #define SPARC_ONLY(code) 505 #define NOT_SPARC(code) code 506 #endif 507 508 #if defined(PPC32) || defined(PPC64) 509 #ifndef PPC 510 #define PPC 511 #endif 512 #define PPC_ONLY(code) code 513 #define NOT_PPC(code) 514 #else 515 #undef PPC 516 #define PPC_ONLY(code) 517 #define NOT_PPC(code) code 518 #endif 519 520 #ifdef PPC32 521 #define PPC32_ONLY(code) code 522 #define NOT_PPC32(code) 523 #else 524 #define PPC32_ONLY(code) 525 #define NOT_PPC32(code) code 526 #endif 527 528 #ifdef PPC64 529 #define PPC64_ONLY(code) code 530 #define NOT_PPC64(code) 531 #else 532 #define PPC64_ONLY(code) 533 #define NOT_PPC64(code) code 534 #endif 535 536 #ifdef E500V2 537 #define E500V2_ONLY(code) code 538 #define NOT_E500V2(code) 539 #else 540 #define E500V2_ONLY(code) 541 #define NOT_E500V2(code) code 542 #endif 543 544 // Note: There are three ARM ports. They set the following in the makefiles: 545 // 1. Closed 32-bit port: -DARM -DARM32 -DTARGET_ARCH_arm 546 // 2. Closed 64-bit port: -DARM -DAARCH64 -D_LP64 -DTARGET_ARCH_arm 547 // 3. Open 64-bit port: -DAARCH64 -D_LP64 -DTARGET_ARCH_aaarch64 548 #ifdef ARM 549 #define ARM_ONLY(code) code 550 #define NOT_ARM(code) 551 #else 552 #define ARM_ONLY(code) 553 #define NOT_ARM(code) code 554 #endif 555 556 #ifdef ARM32 557 #define ARM32_ONLY(code) code 558 #define NOT_ARM32(code) 559 #else 560 #define ARM32_ONLY(code) 561 #define NOT_ARM32(code) code 562 #endif 563 564 #ifdef AARCH64 565 #define AARCH64_ONLY(code) code 566 #define NOT_AARCH64(code) 567 #else 568 #define AARCH64_ONLY(code) 569 #define NOT_AARCH64(code) code 570 #endif 571 572 #ifdef VM_LITTLE_ENDIAN 573 #define LITTLE_ENDIAN_ONLY(code) code 574 #define BIG_ENDIAN_ONLY(code) 575 #else 576 #define LITTLE_ENDIAN_ONLY(code) 577 #define BIG_ENDIAN_ONLY(code) code 578 #endif 579 580 #define define_pd_global(type, name, value) const type pd_##name = value; 581 582 // Helper macros for constructing file names for includes. 583 #define CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_CPU) 584 #define OS_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_OS) 585 #define OS_CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, PASTE_TOKENS(INCLUDE_SUFFIX_OS, INCLUDE_SUFFIX_CPU)) 586 #define COMPILER_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_COMPILER) 587 588 // Include platform dependent files. 589 // 590 // This macro constructs from basename and INCLUDE_SUFFIX_OS / 591 // INCLUDE_SUFFIX_CPU / INCLUDE_SUFFIX_COMPILER, which are set on 592 // the command line, the name of platform dependent files to be included. 593 // Example: INCLUDE_SUFFIX_OS=_linux / INCLUDE_SUFFIX_CPU=_sparc 594 // CPU_HEADER_INLINE(macroAssembler) --> macroAssembler_sparc.inline.hpp 595 // OS_CPU_HEADER(vmStructs) --> vmStructs_linux_sparc.hpp 596 // 597 // basename<cpu>.hpp / basename<cpu>.inline.hpp 598 #define CPU_HEADER_H(basename) XSTR(CPU_HEADER_STEM(basename).h) 599 #define CPU_HEADER(basename) XSTR(CPU_HEADER_STEM(basename).hpp) 600 #define CPU_HEADER_INLINE(basename) XSTR(CPU_HEADER_STEM(basename).inline.hpp) 601 // basename<os>.hpp / basename<os>.inline.hpp 602 #define OS_HEADER_H(basename) XSTR(OS_HEADER_STEM(basename).h) 603 #define OS_HEADER(basename) XSTR(OS_HEADER_STEM(basename).hpp) 604 #define OS_HEADER_INLINE(basename) XSTR(OS_HEADER_STEM(basename).inline.hpp) 605 // basename<os><cpu>.hpp / basename<os><cpu>.inline.hpp 606 #define OS_CPU_HEADER(basename) XSTR(OS_CPU_HEADER_STEM(basename).hpp) 607 #define OS_CPU_HEADER_INLINE(basename) XSTR(OS_CPU_HEADER_STEM(basename).inline.hpp) 608 // basename<compiler>.hpp / basename<compiler>.inline.hpp 609 #define COMPILER_HEADER(basename) XSTR(COMPILER_HEADER_STEM(basename).hpp) 610 #define COMPILER_HEADER_INLINE(basename) XSTR(COMPILER_HEADER_STEM(basename).inline.hpp) 611 612 // To use Atomic::inc(jshort* dest) and Atomic::dec(jshort* dest), the address must be specially 613 // aligned, such that (*dest) occupies the upper 16 bits of an aligned 32-bit word. The best way to 614 // achieve is to place your short value next to another short value, which doesn't need atomic ops. 615 // 616 // Example 617 // ATOMIC_SHORT_PAIR( 618 // volatile short _refcount, // needs atomic operation 619 // unsigned short _length // number of UTF8 characters in the symbol (does not need atomic op) 620 // ); 621 622 #ifdef VM_LITTLE_ENDIAN 623 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \ 624 non_atomic_decl; \ 625 atomic_decl 626 #else 627 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \ 628 atomic_decl; \ 629 non_atomic_decl 630 #endif 631 632 #if INCLUDE_CDS && INCLUDE_G1GC && defined(_LP64) && !defined(_WINDOWS) 633 #define INCLUDE_CDS_JAVA_HEAP 1 634 #define CDS_JAVA_HEAP_ONLY(x) x 635 #define NOT_CDS_JAVA_HEAP(x) 636 #define NOT_CDS_JAVA_HEAP_RETURN 637 #define NOT_CDS_JAVA_HEAP_RETURN_(code) 638 #else 639 #define INCLUDE_CDS_JAVA_HEAP 0 640 #define CDS_JAVA_HEAP_ONLY(x) 641 #define NOT_CDS_JAVA_HEAP(x) x 642 #define NOT_CDS_JAVA_HEAP_RETURN {} 643 #define NOT_CDS_JAVA_HEAP_RETURN_(code) { return code; } 644 #endif 645 646 #endif // SHARE_VM_UTILITIES_MACROS_HPP