1 /* 2 * Copyright (c) 1997, 2017, 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_RETURN_(code) /* next token must be ; */ 113 #else 114 #define CDS_ONLY(x) 115 #define NOT_CDS(x) x 116 #define NOT_CDS_RETURN {} 117 #define NOT_CDS_RETURN_(code) { return code; } 118 #endif // INCLUDE_CDS 119 120 #ifndef INCLUDE_MANAGEMENT 121 #define INCLUDE_MANAGEMENT 1 122 #endif // INCLUDE_MANAGEMENT 123 124 #if INCLUDE_MANAGEMENT 125 #define NOT_MANAGEMENT_RETURN /* next token must be ; */ 126 #define NOT_MANAGEMENT_RETURN_(code) /* next token must be ; */ 127 #else 128 #define NOT_MANAGEMENT_RETURN {} 129 #define NOT_MANAGEMENT_RETURN_(code) { return code; } 130 #endif // INCLUDE_MANAGEMENT 131 132 /* 133 * When INCLUDE_ALL_GCS is false the only garbage collectors 134 * included in the JVM are defaultNewGeneration and markCompact. 135 * 136 * When INCLUDE_ALL_GCS is true all garbage collectors are 137 * included in the JVM. 138 */ 139 #ifndef INCLUDE_ALL_GCS 140 #define INCLUDE_ALL_GCS 1 141 #endif // INCLUDE_ALL_GCS 142 143 #if INCLUDE_ALL_GCS 144 #define NOT_ALL_GCS_RETURN /* next token must be ; */ 145 #define NOT_ALL_GCS_RETURN_(code) /* next token must be ; */ 146 #else 147 #define NOT_ALL_GCS_RETURN {} 148 #define NOT_ALL_GCS_RETURN_(code) { return code; } 149 #endif // INCLUDE_ALL_GCS 150 151 #ifndef INCLUDE_NMT 152 #define INCLUDE_NMT 1 153 #endif // INCLUDE_NMT 154 155 #if INCLUDE_NMT 156 #define NOT_NMT_RETURN /* next token must be ; */ 157 #define NOT_NMT_RETURN_(code) /* next token must be ; */ 158 #else 159 #define NOT_NMT_RETURN {} 160 #define NOT_NMT_RETURN_(code) { return code; } 161 #endif // INCLUDE_NMT 162 163 #ifndef INCLUDE_TRACE 164 #define INCLUDE_TRACE 1 165 #endif // INCLUDE_TRACE 166 167 #ifndef INCLUDE_JVMCI 168 #define INCLUDE_JVMCI 1 169 #endif 170 171 #ifdef INCLUDE_AOT 172 # if INCLUDE_AOT && !(INCLUDE_JVMCI) 173 # error "Must have JVMCI for AOT" 174 # endif 175 #else 176 # define INCLUDE_AOT 0 177 #endif 178 179 #if INCLUDE_JVMCI 180 #define JVMCI_ONLY(code) code 181 #define NOT_JVMCI(code) 182 #define NOT_JVMCI_RETURN /* next token must be ; */ 183 #else 184 #define JVMCI_ONLY(code) 185 #define NOT_JVMCI(code) code 186 #define NOT_JVMCI_RETURN {} 187 #endif // INCLUDE_JVMCI 188 189 #if INCLUDE_AOT 190 #define AOT_ONLY(code) code 191 #define NOT_AOT(code) 192 #define NOT_AOT_RETURN /* next token must be ; */ 193 #else 194 #define AOT_ONLY(code) 195 #define NOT_AOT(code) code 196 #define NOT_AOT_RETURN {} 197 #endif // INCLUDE_AOT 198 199 // COMPILER1 variant 200 #ifdef COMPILER1 201 #ifdef COMPILER2 202 #define TIERED 203 #endif 204 #define COMPILER1_PRESENT(code) code 205 #else // COMPILER1 206 #define COMPILER1_PRESENT(code) 207 #endif // COMPILER1 208 209 // COMPILER2 variant 210 #ifdef COMPILER2 211 #define COMPILER2_PRESENT(code) code 212 #define NOT_COMPILER2(code) 213 #else // COMPILER2 214 #define COMPILER2_PRESENT(code) 215 #define NOT_COMPILER2(code) code 216 #endif // COMPILER2 217 218 // COMPILER2 or JVMCI 219 #if defined(COMPILER2) || INCLUDE_JVMCI 220 #define COMPILER2_OR_JVMCI 1 221 #define COMPILER2_OR_JVMCI_PRESENT(code) code 222 #define NOT_COMPILER2_OR_JVMCI(code) 223 #else 224 #define COMPILER2_OR_JVMCI 0 225 #define COMPILER2_OR_JVMCI_PRESENT(code) 226 #define NOT_COMPILER2_OR_JVMCI(code) code 227 #endif 228 229 #ifdef TIERED 230 #define TIERED_ONLY(code) code 231 #define NOT_TIERED(code) 232 #else // TIERED 233 #define TIERED_ONLY(code) 234 #define NOT_TIERED(code) code 235 #endif // TIERED 236 237 238 // PRODUCT variant 239 #ifdef PRODUCT 240 #define PRODUCT_ONLY(code) code 241 #define NOT_PRODUCT(code) 242 #define NOT_PRODUCT_ARG(arg) 243 #define PRODUCT_RETURN {} 244 #define PRODUCT_RETURN0 { return 0; } 245 #define PRODUCT_RETURN_(code) { code } 246 #else // PRODUCT 247 #define PRODUCT_ONLY(code) 248 #define NOT_PRODUCT(code) code 249 #define NOT_PRODUCT_ARG(arg) arg, 250 #define PRODUCT_RETURN /*next token must be ;*/ 251 #define PRODUCT_RETURN0 /*next token must be ;*/ 252 #define PRODUCT_RETURN_(code) /*next token must be ;*/ 253 #endif // PRODUCT 254 255 #ifdef CHECK_UNHANDLED_OOPS 256 #define CHECK_UNHANDLED_OOPS_ONLY(code) code 257 #define NOT_CHECK_UNHANDLED_OOPS(code) 258 #else 259 #define CHECK_UNHANDLED_OOPS_ONLY(code) 260 #define NOT_CHECK_UNHANDLED_OOPS(code) code 261 #endif // CHECK_UNHANDLED_OOPS 262 263 #ifdef CC_INTERP 264 #define CC_INTERP_ONLY(code) code 265 #define NOT_CC_INTERP(code) 266 #else 267 #define CC_INTERP_ONLY(code) 268 #define NOT_CC_INTERP(code) code 269 #endif // CC_INTERP 270 271 #ifdef ASSERT 272 #define DEBUG_ONLY(code) code 273 #define NOT_DEBUG(code) 274 #define NOT_DEBUG_RETURN /*next token must be ;*/ 275 // Historical. 276 #define debug_only(code) code 277 #else // ASSERT 278 #define DEBUG_ONLY(code) 279 #define NOT_DEBUG(code) code 280 #define NOT_DEBUG_RETURN {} 281 #define debug_only(code) 282 #endif // ASSERT 283 284 #ifdef _LP64 285 #define LP64_ONLY(code) code 286 #define NOT_LP64(code) 287 #else // !_LP64 288 #define LP64_ONLY(code) 289 #define NOT_LP64(code) code 290 #endif // _LP64 291 292 #ifdef LINUX 293 #define LINUX_ONLY(code) code 294 #define NOT_LINUX(code) 295 #else 296 #define LINUX_ONLY(code) 297 #define NOT_LINUX(code) code 298 #endif 299 300 #ifdef AIX 301 #define AIX_ONLY(code) code 302 #define NOT_AIX(code) 303 #else 304 #define AIX_ONLY(code) 305 #define NOT_AIX(code) code 306 #endif 307 308 #ifdef SOLARIS 309 #define SOLARIS_ONLY(code) code 310 #define NOT_SOLARIS(code) 311 #else 312 #define SOLARIS_ONLY(code) 313 #define NOT_SOLARIS(code) code 314 #endif 315 316 #ifdef _WINDOWS 317 #define WINDOWS_ONLY(code) code 318 #define NOT_WINDOWS(code) 319 #else 320 #define WINDOWS_ONLY(code) 321 #define NOT_WINDOWS(code) code 322 #endif 323 324 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) 325 #define BSD 326 #define BSD_ONLY(code) code 327 #define NOT_BSD(code) 328 #else 329 #define BSD_ONLY(code) 330 #define NOT_BSD(code) code 331 #endif 332 333 #ifdef _WIN64 334 #define WIN64_ONLY(code) code 335 #define NOT_WIN64(code) 336 #else 337 #define WIN64_ONLY(code) 338 #define NOT_WIN64(code) code 339 #endif 340 341 #if defined(ZERO) 342 #define ZERO_ONLY(code) code 343 #define NOT_ZERO(code) 344 #else 345 #define ZERO_ONLY(code) 346 #define NOT_ZERO(code) code 347 #endif 348 349 #if defined(SHARK) 350 #define SHARK_ONLY(code) code 351 #define NOT_SHARK(code) 352 #else 353 #define SHARK_ONLY(code) 354 #define NOT_SHARK(code) code 355 #endif 356 357 #if defined(IA32) || defined(AMD64) 358 #define X86 359 #define X86_ONLY(code) code 360 #define NOT_X86(code) 361 #else 362 #undef X86 363 #define X86_ONLY(code) 364 #define NOT_X86(code) code 365 #endif 366 367 #ifdef IA32 368 #define IA32_ONLY(code) code 369 #define NOT_IA32(code) 370 #else 371 #define IA32_ONLY(code) 372 #define NOT_IA32(code) code 373 #endif 374 375 // This is a REALLY BIG HACK, but on AIX <sys/systemcfg.h> unconditionally defines IA64. 376 // At least on AIX 7.1 this is a real problem because 'systemcfg.h' is indirectly included 377 // by 'pthread.h' and other common system headers. 378 379 #if defined(IA64) && !defined(AIX) 380 #define IA64_ONLY(code) code 381 #define NOT_IA64(code) 382 #else 383 #define IA64_ONLY(code) 384 #define NOT_IA64(code) code 385 #endif 386 387 #ifdef AMD64 388 #define AMD64_ONLY(code) code 389 #define NOT_AMD64(code) 390 #else 391 #define AMD64_ONLY(code) 392 #define NOT_AMD64(code) code 393 #endif 394 395 #ifdef S390 396 #define S390_ONLY(code) code 397 #define NOT_S390(code) 398 #else 399 #define S390_ONLY(code) 400 #define NOT_S390(code) code 401 #endif 402 403 #ifdef SPARC 404 #define SPARC_ONLY(code) code 405 #define NOT_SPARC(code) 406 #else 407 #define SPARC_ONLY(code) 408 #define NOT_SPARC(code) code 409 #endif 410 411 #if defined(PPC32) || defined(PPC64) 412 #ifndef PPC 413 #define PPC 414 #endif 415 #define PPC_ONLY(code) code 416 #define NOT_PPC(code) 417 #else 418 #undef PPC 419 #define PPC_ONLY(code) 420 #define NOT_PPC(code) code 421 #endif 422 423 #ifdef PPC32 424 #define PPC32_ONLY(code) code 425 #define NOT_PPC32(code) 426 #else 427 #define PPC32_ONLY(code) 428 #define NOT_PPC32(code) code 429 #endif 430 431 #ifdef PPC64 432 #define PPC64_ONLY(code) code 433 #define NOT_PPC64(code) 434 #else 435 #define PPC64_ONLY(code) 436 #define NOT_PPC64(code) code 437 #endif 438 439 #ifdef E500V2 440 #define E500V2_ONLY(code) code 441 #define NOT_E500V2(code) 442 #else 443 #define E500V2_ONLY(code) 444 #define NOT_E500V2(code) code 445 #endif 446 447 // Note: There are three ARM ports. They set the following in the makefiles: 448 // 1. Closed 32-bit port: -DARM -DARM32 -DTARGET_ARCH_arm 449 // 2. Closed 64-bit port: -DARM -DAARCH64 -D_LP64 -DTARGET_ARCH_arm 450 // 3. Open 64-bit port: -DAARCH64 -D_LP64 -DTARGET_ARCH_aaarch64 451 #ifdef ARM 452 #define ARM_ONLY(code) code 453 #define NOT_ARM(code) 454 #else 455 #define ARM_ONLY(code) 456 #define NOT_ARM(code) code 457 #endif 458 459 #ifdef ARM32 460 #define ARM32_ONLY(code) code 461 #define NOT_ARM32(code) 462 #else 463 #define ARM32_ONLY(code) 464 #define NOT_ARM32(code) code 465 #endif 466 467 #ifdef AARCH64 468 #define AARCH64_ONLY(code) code 469 #define NOT_AARCH64(code) 470 #else 471 #define AARCH64_ONLY(code) 472 #define NOT_AARCH64(code) code 473 #endif 474 475 #define define_pd_global(type, name, value) const type pd_##name = value; 476 477 // Helper macros for constructing file names for includes. 478 #define CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_CPU) 479 #define OS_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_OS) 480 #define OS_CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, PASTE_TOKENS(INCLUDE_SUFFIX_OS, INCLUDE_SUFFIX_CPU)) 481 #define COMPILER_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_COMPILER) 482 483 // Include platform dependent files. 484 // 485 // This macro constructs from basename and INCLUDE_SUFFIX_OS / 486 // INCLUDE_SUFFIX_CPU / INCLUDE_SUFFIX_COMPILER, which are set on 487 // the command line, the name of platform dependent files to be included. 488 // Example: INCLUDE_SUFFIX_OS=_linux / INCLUDE_SUFFIX_CPU=_sparc 489 // CPU_HEADER_INLINE(macroAssembler) --> macroAssembler_sparc.inline.hpp 490 // OS_CPU_HEADER(vmStructs) --> vmStructs_linux_sparc.hpp 491 // 492 // basename<cpu>.hpp / basename<cpu>.inline.hpp 493 #define CPU_HEADER_H(basename) XSTR(CPU_HEADER_STEM(basename).h) 494 #define CPU_HEADER(basename) XSTR(CPU_HEADER_STEM(basename).hpp) 495 #define CPU_HEADER_INLINE(basename) XSTR(CPU_HEADER_STEM(basename).inline.hpp) 496 // basename<os>.hpp / basename<os>.inline.hpp 497 #define OS_HEADER_H(basename) XSTR(OS_HEADER_STEM(basename).h) 498 #define OS_HEADER(basename) XSTR(OS_HEADER_STEM(basename).hpp) 499 #define OS_HEADER_INLINE(basename) XSTR(OS_HEADER_STEM(basename).inline.hpp) 500 // basename<os><cpu>.hpp / basename<os><cpu>.inline.hpp 501 #define OS_CPU_HEADER(basename) XSTR(OS_CPU_HEADER_STEM(basename).hpp) 502 #define OS_CPU_HEADER_INLINE(basename) XSTR(OS_CPU_HEADER_STEM(basename).inline.hpp) 503 // basename<compiler>.hpp / basename<compiler>.inline.hpp 504 #define COMPILER_HEADER(basename) XSTR(COMPILER_HEADER_STEM(basename).hpp) 505 #define COMPILER_HEADER_INLINE(basename) XSTR(COMPILER_HEADER_STEM(basename).inline.hpp) 506 507 // To use Atomic::inc(jshort* dest) and Atomic::dec(jshort* dest), the address must be specially 508 // aligned, such that (*dest) occupies the upper 16 bits of an aligned 32-bit word. The best way to 509 // achieve is to place your short value next to another short value, which doesn't need atomic ops. 510 // 511 // Example 512 // ATOMIC_SHORT_PAIR( 513 // volatile short _refcount, // needs atomic operation 514 // unsigned short _length // number of UTF8 characters in the symbol (does not need atomic op) 515 // ); 516 517 #ifdef VM_LITTLE_ENDIAN 518 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \ 519 non_atomic_decl; \ 520 atomic_decl 521 #else 522 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \ 523 atomic_decl; \ 524 non_atomic_decl 525 #endif 526 527 #endif // SHARE_VM_UTILITIES_MACROS_HPP