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_SHENANDOAHGC
225 #define INCLUDE_SHENANDOAHGC 1
226 #endif // INCLUDE_SHENANDOAHGC
227
228 #if INCLUDE_SHENANDOAHGC
229 #define SHENANDOAHGC_ONLY(x) x
230 #define SHENANDOAHGC_ONLY_ARG(arg) arg,
231 #define NOT_SHENANDOAHGC(x)
232 #define NOT_SHENANDOAHGC_RETURN /* next token must be ; */
233 #define NOT_SHENANDOAHGC_RETURN_(code) /* next token must be ; */
234 #else
235 #define SHENANDOAHGC_ONLY(x)
236 #define SHENANDOAHGC_ONLY_ARG(arg)
237 #define NOT_SHENANDOAHGC(x) x
238 #define NOT_SHENANDOAHGC_RETURN {}
239 #define NOT_SHENANDOAHGC_RETURN_(code) { return code; }
240 #endif // INCLUDE_SHENANDOAHGC
241
242 #ifndef INCLUDE_ZGC
243 #define INCLUDE_ZGC 1
244 #endif // INCLUDE_ZGC
245
246 #if INCLUDE_ZGC
247 #define ZGC_ONLY(x) x
248 #define ZGC_ONLY_ARG(arg) arg,
249 #define NOT_ZGC(x)
250 #define NOT_ZGC_RETURN /* next token must be ; */
251 #define NOT_ZGC_RETURN_(code) /* next token must be ; */
252 #else
253 #define ZGC_ONLY(x)
254 #define ZGC_ONLY_ARG(arg)
255 #define NOT_ZGC(x) x
256 #define NOT_ZGC_RETURN {}
257 #define NOT_ZGC_RETURN_(code) { return code; }
258 #endif // INCLUDE_ZGC
259
260 #ifndef INCLUDE_NMT
261 #define INCLUDE_NMT 1
262 #endif // INCLUDE_NMT
263
264 #if INCLUDE_NMT
265 #define NOT_NMT_RETURN /* next token must be ; */
266 #define NOT_NMT_RETURN_(code) /* next token must be ; */
267 #define NMT_ONLY(x) x
268 #define NOT_NMT(x)
269 #else
270 #define NOT_NMT_RETURN {}
271 #define NOT_NMT_RETURN_(code) { return code; }
272 #define NMT_ONLY(x)
273 #define NOT_NMT(x) x
274 #endif // INCLUDE_NMT
275
276 #ifndef INCLUDE_JFR
277 #define INCLUDE_JFR 1
278 #endif
279
280 #if INCLUDE_JFR
281 #define JFR_ONLY(code) code
282 #else
283 #define JFR_ONLY(code)
284 #endif
285
286 #ifndef INCLUDE_JVMCI
287 #define INCLUDE_JVMCI 1
288 #endif
289
290 #ifndef INCLUDE_AOT
291 #define INCLUDE_AOT 1
292 #endif
293
294 #if INCLUDE_AOT && !INCLUDE_JVMCI
295 # error "Must have JVMCI for AOT"
296 #endif
297
298 #if INCLUDE_JVMCI
299 #define JVMCI_ONLY(code) code
300 #define NOT_JVMCI(code)
301 #define NOT_JVMCI_RETURN /* next token must be ; */
302 #else
303 #define JVMCI_ONLY(code)
304 #define NOT_JVMCI(code) code
305 #define NOT_JVMCI_RETURN {}
306 #endif // INCLUDE_JVMCI
307
308 #if INCLUDE_AOT
309 #define AOT_ONLY(code) code
310 #define NOT_AOT(code)
311 #define NOT_AOT_RETURN /* next token must be ; */
312 #else
313 #define AOT_ONLY(code)
314 #define NOT_AOT(code) code
315 #define NOT_AOT_RETURN {}
316 #endif // INCLUDE_AOT
317
318 // COMPILER1 variant
319 #ifdef COMPILER1
320 #ifdef COMPILER2
321 #define TIERED
322 #endif
323 #define COMPILER1_PRESENT(code) code
324 #define NOT_COMPILER1(code)
325 #else // COMPILER1
326 #define COMPILER1_PRESENT(code)
327 #define NOT_COMPILER1(code) code
328 #endif // COMPILER1
329
330 // COMPILER2 variant
331 #ifdef COMPILER2
332 #define COMPILER2_PRESENT(code) code
333 #define NOT_COMPILER2(code)
334 #else // COMPILER2
335 #define COMPILER2_PRESENT(code)
336 #define NOT_COMPILER2(code) code
337 #endif // COMPILER2
338
339 // COMPILER2 or JVMCI
340 #if defined(COMPILER2) || INCLUDE_JVMCI
341 #define COMPILER2_OR_JVMCI 1
342 #define COMPILER2_OR_JVMCI_PRESENT(code) code
343 #define NOT_COMPILER2_OR_JVMCI(code)
344 #else
345 #define COMPILER2_OR_JVMCI 0
346 #define COMPILER2_OR_JVMCI_PRESENT(code)
347 #define NOT_COMPILER2_OR_JVMCI(code) code
348 #endif
349
350 #ifdef TIERED
351 #define TIERED_ONLY(code) code
352 #define NOT_TIERED(code)
353 #else // TIERED
354 #define TIERED_ONLY(code)
355 #define NOT_TIERED(code) code
356 #endif // TIERED
357
358
359 // PRODUCT variant
360 #ifdef PRODUCT
361 #define PRODUCT_ONLY(code) code
362 #define NOT_PRODUCT(code)
363 #define NOT_PRODUCT_ARG(arg)
364 #define PRODUCT_RETURN {}
365 #define PRODUCT_RETURN0 { return 0; }
366 #define PRODUCT_RETURN_(code) { code }
367 #else // PRODUCT
368 #define PRODUCT_ONLY(code)
369 #define NOT_PRODUCT(code) code
370 #define NOT_PRODUCT_ARG(arg) arg,
371 #define PRODUCT_RETURN /*next token must be ;*/
372 #define PRODUCT_RETURN0 /*next token must be ;*/
373 #define PRODUCT_RETURN_(code) /*next token must be ;*/
374 #endif // PRODUCT
375
376 #ifdef CHECK_UNHANDLED_OOPS
377 #define CHECK_UNHANDLED_OOPS_ONLY(code) code
378 #define NOT_CHECK_UNHANDLED_OOPS(code)
379 #else
380 #define CHECK_UNHANDLED_OOPS_ONLY(code)
381 #define NOT_CHECK_UNHANDLED_OOPS(code) code
382 #endif // CHECK_UNHANDLED_OOPS
383
384 #ifdef CC_INTERP
385 #define CC_INTERP_ONLY(code) code
386 #define NOT_CC_INTERP(code)
387 #else
388 #define CC_INTERP_ONLY(code)
389 #define NOT_CC_INTERP(code) code
390 #endif // CC_INTERP
391
392 #ifdef ASSERT
393 #define DEBUG_ONLY(code) code
394 #define NOT_DEBUG(code)
395 #define NOT_DEBUG_RETURN /*next token must be ;*/
396 // Historical.
397 #define debug_only(code) code
398 #else // ASSERT
399 #define DEBUG_ONLY(code)
400 #define NOT_DEBUG(code) code
401 #define NOT_DEBUG_RETURN {}
402 #define debug_only(code)
403 #endif // ASSERT
404
405 #ifdef _LP64
406 #define LP64_ONLY(code) code
407 #define NOT_LP64(code)
408 #else // !_LP64
409 #define LP64_ONLY(code)
410 #define NOT_LP64(code) code
411 #endif // _LP64
412
413 #ifdef LINUX
414 #define LINUX_ONLY(code) code
415 #define NOT_LINUX(code)
416 #else
417 #define LINUX_ONLY(code)
418 #define NOT_LINUX(code) code
419 #endif
420
421 #ifdef AIX
422 #define AIX_ONLY(code) code
423 #define NOT_AIX(code)
424 #else
425 #define AIX_ONLY(code)
426 #define NOT_AIX(code) code
427 #endif
428
429 #ifdef SOLARIS
430 #define SOLARIS_ONLY(code) code
431 #define NOT_SOLARIS(code)
432 #else
433 #define SOLARIS_ONLY(code)
434 #define NOT_SOLARIS(code) code
435 #endif
436
437 #ifdef _WINDOWS
438 #define WINDOWS_ONLY(code) code
439 #define NOT_WINDOWS(code)
440 #else
441 #define WINDOWS_ONLY(code)
442 #define NOT_WINDOWS(code) code
443 #endif
444
445 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
446 #ifndef BSD
447 #define BSD
448 #endif // BSD defined in <sys/param.h>
449 #define BSD_ONLY(code) code
450 #define NOT_BSD(code)
451 #else
452 #define BSD_ONLY(code)
453 #define NOT_BSD(code) code
454 #endif
455
456 #ifdef _WIN64
457 #define WIN64_ONLY(code) code
458 #define NOT_WIN64(code)
459 #else
460 #define WIN64_ONLY(code)
461 #define NOT_WIN64(code) code
462 #endif
463
464 #if defined(ZERO)
465 #define ZERO_ONLY(code) code
466 #define NOT_ZERO(code)
467 #else
468 #define ZERO_ONLY(code)
469 #define NOT_ZERO(code) code
470 #endif
471
472 #if defined(IA32) || defined(AMD64)
473 #define X86
474 #define X86_ONLY(code) code
475 #define NOT_X86(code)
476 #else
477 #undef X86
478 #define X86_ONLY(code)
479 #define NOT_X86(code) code
480 #endif
481
482 #ifdef IA32
483 #define IA32_ONLY(code) code
484 #define NOT_IA32(code)
485 #else
486 #define IA32_ONLY(code)
487 #define NOT_IA32(code) code
488 #endif
489
490 // This is a REALLY BIG HACK, but on AIX <sys/systemcfg.h> unconditionally defines IA64.
491 // At least on AIX 7.1 this is a real problem because 'systemcfg.h' is indirectly included
492 // by 'pthread.h' and other common system headers.
493
494 #if defined(IA64) && !defined(AIX)
495 #define IA64_ONLY(code) code
496 #define NOT_IA64(code)
497 #else
498 #define IA64_ONLY(code)
499 #define NOT_IA64(code) code
500 #endif
501
502 #ifdef AMD64
503 #define AMD64_ONLY(code) code
504 #define NOT_AMD64(code)
505 #else
506 #define AMD64_ONLY(code)
507 #define NOT_AMD64(code) code
508 #endif
509
510 #ifdef S390
511 #define S390_ONLY(code) code
512 #define NOT_S390(code)
513 #else
514 #define S390_ONLY(code)
515 #define NOT_S390(code) code
516 #endif
517
518 #ifdef SPARC
519 #define SPARC_ONLY(code) code
520 #define NOT_SPARC(code)
521 #else
522 #define SPARC_ONLY(code)
523 #define NOT_SPARC(code) code
524 #endif
525
526 #if defined(PPC32) || defined(PPC64)
527 #ifndef PPC
528 #define PPC
529 #endif
530 #define PPC_ONLY(code) code
531 #define NOT_PPC(code)
532 #else
533 #undef PPC
534 #define PPC_ONLY(code)
535 #define NOT_PPC(code) code
536 #endif
537
538 #ifdef PPC32
539 #define PPC32_ONLY(code) code
540 #define NOT_PPC32(code)
541 #else
542 #define PPC32_ONLY(code)
543 #define NOT_PPC32(code) code
544 #endif
545
546 #ifdef PPC64
547 #define PPC64_ONLY(code) code
548 #define NOT_PPC64(code)
549 #else
550 #define PPC64_ONLY(code)
551 #define NOT_PPC64(code) code
552 #endif
553
554 #ifdef E500V2
555 #define E500V2_ONLY(code) code
556 #define NOT_E500V2(code)
557 #else
558 #define E500V2_ONLY(code)
559 #define NOT_E500V2(code) code
560 #endif
561
562 // Note: There are three ARM ports. They set the following in the makefiles:
563 // 1. Closed 32-bit port: -DARM -DARM32 -DTARGET_ARCH_arm
564 // 2. Closed 64-bit port: -DARM -DAARCH64 -D_LP64 -DTARGET_ARCH_arm
565 // 3. Open 64-bit port: -DAARCH64 -D_LP64 -DTARGET_ARCH_aaarch64
566 #ifdef ARM
567 #define ARM_ONLY(code) code
568 #define NOT_ARM(code)
569 #else
570 #define ARM_ONLY(code)
571 #define NOT_ARM(code) code
572 #endif
573
574 #ifdef ARM32
575 #define ARM32_ONLY(code) code
576 #define NOT_ARM32(code)
577 #else
578 #define ARM32_ONLY(code)
579 #define NOT_ARM32(code) code
580 #endif
581
582 #ifdef AARCH64
583 #define AARCH64_ONLY(code) code
584 #define NOT_AARCH64(code)
585 #else
586 #define AARCH64_ONLY(code)
587 #define NOT_AARCH64(code) code
588 #endif
589
590 #ifdef VM_LITTLE_ENDIAN
591 #define LITTLE_ENDIAN_ONLY(code) code
592 #define BIG_ENDIAN_ONLY(code)
593 #else
594 #define LITTLE_ENDIAN_ONLY(code)
595 #define BIG_ENDIAN_ONLY(code) code
596 #endif
597
598 #define define_pd_global(type, name, value) const type pd_##name = value;
599
600 // Helper macros for constructing file names for includes.
601 #define CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_CPU)
602 #define OS_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_OS)
603 #define OS_CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, PASTE_TOKENS(INCLUDE_SUFFIX_OS, INCLUDE_SUFFIX_CPU))
604 #define COMPILER_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_COMPILER)
605
606 // Include platform dependent files.
607 //
608 // This macro constructs from basename and INCLUDE_SUFFIX_OS /
609 // INCLUDE_SUFFIX_CPU / INCLUDE_SUFFIX_COMPILER, which are set on
610 // the command line, the name of platform dependent files to be included.
611 // Example: INCLUDE_SUFFIX_OS=_linux / INCLUDE_SUFFIX_CPU=_sparc
612 // CPU_HEADER_INLINE(macroAssembler) --> macroAssembler_sparc.inline.hpp
613 // OS_CPU_HEADER(vmStructs) --> vmStructs_linux_sparc.hpp
614 //
615 // basename<cpu>.hpp / basename<cpu>.inline.hpp
616 #define CPU_HEADER_H(basename) XSTR(CPU_HEADER_STEM(basename).h)
617 #define CPU_HEADER(basename) XSTR(CPU_HEADER_STEM(basename).hpp)
618 #define CPU_HEADER_INLINE(basename) XSTR(CPU_HEADER_STEM(basename).inline.hpp)
619 // basename<os>.hpp / basename<os>.inline.hpp
620 #define OS_HEADER_H(basename) XSTR(OS_HEADER_STEM(basename).h)
621 #define OS_HEADER(basename) XSTR(OS_HEADER_STEM(basename).hpp)
622 #define OS_HEADER_INLINE(basename) XSTR(OS_HEADER_STEM(basename).inline.hpp)
623 // basename<os><cpu>.hpp / basename<os><cpu>.inline.hpp
624 #define OS_CPU_HEADER(basename) XSTR(OS_CPU_HEADER_STEM(basename).hpp)
625 #define OS_CPU_HEADER_INLINE(basename) XSTR(OS_CPU_HEADER_STEM(basename).inline.hpp)
626 // basename<compiler>.hpp / basename<compiler>.inline.hpp
627 #define COMPILER_HEADER(basename) XSTR(COMPILER_HEADER_STEM(basename).hpp)
628 #define COMPILER_HEADER_INLINE(basename) XSTR(COMPILER_HEADER_STEM(basename).inline.hpp)
629
630 // To use Atomic::inc(jshort* dest) and Atomic::dec(jshort* dest), the address must be specially
631 // aligned, such that (*dest) occupies the upper 16 bits of an aligned 32-bit word. The best way to
632 // achieve is to place your short value next to another short value, which doesn't need atomic ops.
633 //
634 // Example
635 // ATOMIC_SHORT_PAIR(
636 // volatile short _refcount, // needs atomic operation
637 // unsigned short _length // number of UTF8 characters in the symbol (does not need atomic op)
638 // );
639
640 #ifdef VM_LITTLE_ENDIAN
641 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \
642 non_atomic_decl; \
643 atomic_decl
644 #else
645 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \
646 atomic_decl; \
647 non_atomic_decl
648 #endif
649
650 #if INCLUDE_CDS && INCLUDE_G1GC && defined(_LP64) && !defined(_WINDOWS)
651 #define INCLUDE_CDS_JAVA_HEAP 1
652 #define CDS_JAVA_HEAP_ONLY(x) x
653 #define NOT_CDS_JAVA_HEAP(x)
654 #define NOT_CDS_JAVA_HEAP_RETURN
655 #define NOT_CDS_JAVA_HEAP_RETURN_(code)
656 #else
657 #define INCLUDE_CDS_JAVA_HEAP 0
658 #define CDS_JAVA_HEAP_ONLY(x)
659 #define NOT_CDS_JAVA_HEAP(x) x
660 #define NOT_CDS_JAVA_HEAP_RETURN {}
661 #define NOT_CDS_JAVA_HEAP_RETURN_(code) { return code; }
662 #endif
663
664 #endif // SHARE_VM_UTILITIES_MACROS_HPP