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_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_G1GC
153 #define INCLUDE_G1GC 1
154 #endif // INCLUDE_G1GC
155
156 #if INCLUDE_G1GC
157 #define G1GC_ONLY(x) x
158 #define G1GC_ONLY_ARG(arg) arg,
159 #define NOT_G1GC(x)
160 #define NOT_G1GC_RETURN /* next token must be ; */
161 #define NOT_G1GC_RETURN_(code) /* next token must be ; */
162 #else
163 #define G1GC_ONLY(x)
164 #define G1GC_ONLY_ARG(arg)
165 #define NOT_G1GC(x) x
166 #define NOT_G1GC_RETURN {}
167 #define NOT_G1GC_RETURN_(code) { return code; }
168 #endif // INCLUDE_G1GC
169
170 #ifndef INCLUDE_PARALLELGC
171 #define INCLUDE_PARALLELGC 1
172 #endif // INCLUDE_PARALLELGC
173
174 #if INCLUDE_PARALLELGC
175 #define PARALLELGC_ONLY(x) x
176 #define PARALLELGC_ONLY_ARG(arg) arg,
177 #define NOT_PARALLELGC(x)
178 #define NOT_PARALLELGC_RETURN /* next token must be ; */
179 #define NOT_PARALLELGC_RETURN_(code) /* next token must be ; */
180 #else
181 #define PARALLELGC_ONLY(x)
182 #define PARALLELGC_ONLY_ARG(arg)
183 #define NOT_PARALLELGC(x) x
184 #define NOT_PARALLELGC_RETURN {}
185 #define NOT_PARALLELGC_RETURN_(code) { return code; }
186 #endif // INCLUDE_PARALLELGC
187
188 #ifndef INCLUDE_SERIALGC
189 #define INCLUDE_SERIALGC 1
190 #endif // INCLUDE_SERIALGC
191
192 #if INCLUDE_SERIALGC
193 #define SERIALGC_ONLY(x) x
194 #define SERIALGC_ONLY_ARG(arg) arg,
195 #define NOT_SERIALGC(x)
196 #define NOT_SERIALGC_RETURN /* next token must be ; */
197 #define NOT_SERIALGC_RETURN_(code) /* next token must be ; */
198 #else
199 #define SERIALGC_ONLY(x)
200 #define SERIALGC_ONLY_ARG(arg)
201 #define NOT_SERIALGC(x) x
202 #define NOT_SERIALGC_RETURN {}
203 #define NOT_SERIALGC_RETURN_(code) { return code; }
204 #endif // INCLUDE_SERIALGC
205
206 #ifndef INCLUDE_EPSILONGC
207 #define INCLUDE_EPSILONGC 1
208 #endif // INCLUDE_EPSILONGC
209
210 #if INCLUDE_EPSILONGC
211 #define EPSILONGC_ONLY(x) x
212 #define EPSILONGC_ONLY_ARG(arg) arg,
213 #define NOT_EPSILONGC(x)
214 #define NOT_EPSILONGC_RETURN /* next token must be ; */
215 #define NOT_EPSILONGC_RETURN_(code) /* next token must be ; */
216 #else
217 #define EPSILONGC_ONLY(x)
218 #define EPSILONGC_ONLY_ARG(arg)
219 #define NOT_EPSILONGC(x) x
220 #define NOT_EPSILONGC_RETURN {}
221 #define NOT_EPSILONGC_RETURN_(code) { return code; }
222 #endif // INCLUDE_EPSILONGC
223
224 #if INCLUDE_CMSGC || INCLUDE_G1GC || INCLUDE_PARALLELGC || INCLUDE_EPSILONGC
225 #define INCLUDE_NOT_ONLY_SERIALGC 1
226 #else
227 #define INCLUDE_NOT_ONLY_SERIALGC 0
228 #endif
229
230 #define INCLUDE_OOP_OOP_ITERATE_BACKWARDS INCLUDE_NOT_ONLY_SERIALGC
231
232 #ifndef INCLUDE_NMT
233 #define INCLUDE_NMT 1
234 #endif // INCLUDE_NMT
235
236 #if INCLUDE_NMT
237 #define NOT_NMT_RETURN /* next token must be ; */
238 #define NOT_NMT_RETURN_(code) /* next token must be ; */
239 #define NMT_ONLY(x) x
240 #define NOT_NMT(x)
241 #else
242 #define NOT_NMT_RETURN {}
243 #define NOT_NMT_RETURN_(code) { return code; }
244 #define NMT_ONLY(x)
245 #define NOT_NMT(x) x
246 #endif // INCLUDE_NMT
247
248 #ifndef INCLUDE_TRACE
249 #define INCLUDE_TRACE 1
250 #endif // INCLUDE_TRACE
251
252 #ifndef INCLUDE_JVMCI
253 #define INCLUDE_JVMCI 1
254 #endif
255
256 #ifndef INCLUDE_AOT
257 #define INCLUDE_AOT 1
258 #endif
259
260 #if INCLUDE_AOT && !INCLUDE_JVMCI
261 # error "Must have JVMCI for AOT"
262 #endif
263
264 #if INCLUDE_JVMCI
265 #define JVMCI_ONLY(code) code
266 #define NOT_JVMCI(code)
267 #define NOT_JVMCI_RETURN /* next token must be ; */
268 #else
269 #define JVMCI_ONLY(code)
270 #define NOT_JVMCI(code) code
271 #define NOT_JVMCI_RETURN {}
272 #endif // INCLUDE_JVMCI
273
274 #if INCLUDE_AOT
275 #define AOT_ONLY(code) code
276 #define NOT_AOT(code)
277 #define NOT_AOT_RETURN /* next token must be ; */
278 #else
279 #define AOT_ONLY(code)
280 #define NOT_AOT(code) code
281 #define NOT_AOT_RETURN {}
282 #endif // INCLUDE_AOT
283
284 // COMPILER1 variant
285 #ifdef COMPILER1
286 #ifdef COMPILER2
287 #define TIERED
288 #endif
289 #define COMPILER1_PRESENT(code) code
290 #define NOT_COMPILER1(code)
291 #else // COMPILER1
292 #define COMPILER1_PRESENT(code)
293 #define NOT_COMPILER1(code) code
294 #endif // COMPILER1
295
296 // COMPILER2 variant
297 #ifdef COMPILER2
298 #define COMPILER2_PRESENT(code) code
299 #define NOT_COMPILER2(code)
300 #else // COMPILER2
301 #define COMPILER2_PRESENT(code)
302 #define NOT_COMPILER2(code) code
303 #endif // COMPILER2
304
305 // COMPILER2 or JVMCI
306 #if defined(COMPILER2) || INCLUDE_JVMCI
307 #define COMPILER2_OR_JVMCI 1
308 #define COMPILER2_OR_JVMCI_PRESENT(code) code
309 #define NOT_COMPILER2_OR_JVMCI(code)
310 #else
311 #define COMPILER2_OR_JVMCI 0
312 #define COMPILER2_OR_JVMCI_PRESENT(code)
313 #define NOT_COMPILER2_OR_JVMCI(code) code
314 #endif
315
316 #ifdef TIERED
317 #define TIERED_ONLY(code) code
318 #define NOT_TIERED(code)
319 #else // TIERED
320 #define TIERED_ONLY(code)
321 #define NOT_TIERED(code) code
322 #endif // TIERED
323
324
325 // PRODUCT variant
326 #ifdef PRODUCT
327 #define PRODUCT_ONLY(code) code
328 #define NOT_PRODUCT(code)
329 #define NOT_PRODUCT_ARG(arg)
330 #define PRODUCT_RETURN {}
331 #define PRODUCT_RETURN0 { return 0; }
332 #define PRODUCT_RETURN_(code) { code }
333 #else // PRODUCT
334 #define PRODUCT_ONLY(code)
335 #define NOT_PRODUCT(code) code
336 #define NOT_PRODUCT_ARG(arg) arg,
337 #define PRODUCT_RETURN /*next token must be ;*/
338 #define PRODUCT_RETURN0 /*next token must be ;*/
339 #define PRODUCT_RETURN_(code) /*next token must be ;*/
340 #endif // PRODUCT
341
342 #ifdef CHECK_UNHANDLED_OOPS
343 #define CHECK_UNHANDLED_OOPS_ONLY(code) code
344 #define NOT_CHECK_UNHANDLED_OOPS(code)
345 #else
346 #define CHECK_UNHANDLED_OOPS_ONLY(code)
347 #define NOT_CHECK_UNHANDLED_OOPS(code) code
348 #endif // CHECK_UNHANDLED_OOPS
349
350 #ifdef CC_INTERP
351 #define CC_INTERP_ONLY(code) code
352 #define NOT_CC_INTERP(code)
353 #else
354 #define CC_INTERP_ONLY(code)
355 #define NOT_CC_INTERP(code) code
356 #endif // CC_INTERP
357
358 #ifdef ASSERT
359 #define DEBUG_ONLY(code) code
360 #define NOT_DEBUG(code)
361 #define NOT_DEBUG_RETURN /*next token must be ;*/
362 // Historical.
363 #define debug_only(code) code
364 #else // ASSERT
365 #define DEBUG_ONLY(code)
366 #define NOT_DEBUG(code) code
367 #define NOT_DEBUG_RETURN {}
368 #define debug_only(code)
369 #endif // ASSERT
370
371 #ifdef _LP64
372 #define LP64_ONLY(code) code
373 #define NOT_LP64(code)
374 #else // !_LP64
375 #define LP64_ONLY(code)
376 #define NOT_LP64(code) code
377 #endif // _LP64
378
379 #ifdef LINUX
380 #define LINUX_ONLY(code) code
381 #define NOT_LINUX(code)
382 #else
383 #define LINUX_ONLY(code)
384 #define NOT_LINUX(code) code
385 #endif
386
387 #ifdef AIX
388 #define AIX_ONLY(code) code
389 #define NOT_AIX(code)
390 #else
391 #define AIX_ONLY(code)
392 #define NOT_AIX(code) code
393 #endif
394
395 #ifdef SOLARIS
396 #define SOLARIS_ONLY(code) code
397 #define NOT_SOLARIS(code)
398 #else
399 #define SOLARIS_ONLY(code)
400 #define NOT_SOLARIS(code) code
401 #endif
402
403 #ifdef _WINDOWS
404 #define WINDOWS_ONLY(code) code
405 #define NOT_WINDOWS(code)
406 #else
407 #define WINDOWS_ONLY(code)
408 #define NOT_WINDOWS(code) code
409 #endif
410
411 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
412 #ifndef BSD
413 #define BSD
414 #endif // BSD defined in <sys/param.h>
415 #define BSD_ONLY(code) code
416 #define NOT_BSD(code)
417 #else
418 #define BSD_ONLY(code)
419 #define NOT_BSD(code) code
420 #endif
421
422 #ifdef _WIN64
423 #define WIN64_ONLY(code) code
424 #define NOT_WIN64(code)
425 #else
426 #define WIN64_ONLY(code)
427 #define NOT_WIN64(code) code
428 #endif
429
430 #if defined(ZERO)
431 #define ZERO_ONLY(code) code
432 #define NOT_ZERO(code)
433 #else
434 #define ZERO_ONLY(code)
435 #define NOT_ZERO(code) code
436 #endif
437
438 #if defined(IA32) || defined(AMD64)
439 #define X86
440 #define X86_ONLY(code) code
441 #define NOT_X86(code)
442 #else
443 #undef X86
444 #define X86_ONLY(code)
445 #define NOT_X86(code) code
446 #endif
447
448 #ifdef IA32
449 #define IA32_ONLY(code) code
450 #define NOT_IA32(code)
451 #else
452 #define IA32_ONLY(code)
453 #define NOT_IA32(code) code
454 #endif
455
456 // This is a REALLY BIG HACK, but on AIX <sys/systemcfg.h> unconditionally defines IA64.
457 // At least on AIX 7.1 this is a real problem because 'systemcfg.h' is indirectly included
458 // by 'pthread.h' and other common system headers.
459
460 #if defined(IA64) && !defined(AIX)
461 #define IA64_ONLY(code) code
462 #define NOT_IA64(code)
463 #else
464 #define IA64_ONLY(code)
465 #define NOT_IA64(code) code
466 #endif
467
468 #ifdef AMD64
469 #define AMD64_ONLY(code) code
470 #define NOT_AMD64(code)
471 #else
472 #define AMD64_ONLY(code)
473 #define NOT_AMD64(code) code
474 #endif
475
476 #ifdef S390
477 #define S390_ONLY(code) code
478 #define NOT_S390(code)
479 #else
480 #define S390_ONLY(code)
481 #define NOT_S390(code) code
482 #endif
483
484 #ifdef SPARC
485 #define SPARC_ONLY(code) code
486 #define NOT_SPARC(code)
487 #else
488 #define SPARC_ONLY(code)
489 #define NOT_SPARC(code) code
490 #endif
491
492 #if defined(PPC32) || defined(PPC64)
493 #ifndef PPC
494 #define PPC
495 #endif
496 #define PPC_ONLY(code) code
497 #define NOT_PPC(code)
498 #else
499 #undef PPC
500 #define PPC_ONLY(code)
501 #define NOT_PPC(code) code
502 #endif
503
504 #ifdef PPC32
505 #define PPC32_ONLY(code) code
506 #define NOT_PPC32(code)
507 #else
508 #define PPC32_ONLY(code)
509 #define NOT_PPC32(code) code
510 #endif
511
512 #ifdef PPC64
513 #define PPC64_ONLY(code) code
514 #define NOT_PPC64(code)
515 #else
516 #define PPC64_ONLY(code)
517 #define NOT_PPC64(code) code
518 #endif
519
520 #ifdef E500V2
521 #define E500V2_ONLY(code) code
522 #define NOT_E500V2(code)
523 #else
524 #define E500V2_ONLY(code)
525 #define NOT_E500V2(code) code
526 #endif
527
528 // Note: There are three ARM ports. They set the following in the makefiles:
529 // 1. Closed 32-bit port: -DARM -DARM32 -DTARGET_ARCH_arm
530 // 2. Closed 64-bit port: -DARM -DAARCH64 -D_LP64 -DTARGET_ARCH_arm
531 // 3. Open 64-bit port: -DAARCH64 -D_LP64 -DTARGET_ARCH_aaarch64
532 #ifdef ARM
533 #define ARM_ONLY(code) code
534 #define NOT_ARM(code)
535 #else
536 #define ARM_ONLY(code)
537 #define NOT_ARM(code) code
538 #endif
539
540 #ifdef ARM32
541 #define ARM32_ONLY(code) code
542 #define NOT_ARM32(code)
543 #else
544 #define ARM32_ONLY(code)
545 #define NOT_ARM32(code) code
546 #endif
547
548 #ifdef AARCH64
549 #define AARCH64_ONLY(code) code
550 #define NOT_AARCH64(code)
551 #else
552 #define AARCH64_ONLY(code)
553 #define NOT_AARCH64(code) code
554 #endif
555
556 #define define_pd_global(type, name, value) const type pd_##name = value;
557
558 // Helper macros for constructing file names for includes.
559 #define CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_CPU)
560 #define OS_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_OS)
561 #define OS_CPU_HEADER_STEM(basename) PASTE_TOKENS(basename, PASTE_TOKENS(INCLUDE_SUFFIX_OS, INCLUDE_SUFFIX_CPU))
562 #define COMPILER_HEADER_STEM(basename) PASTE_TOKENS(basename, INCLUDE_SUFFIX_COMPILER)
563
564 // Include platform dependent files.
565 //
566 // This macro constructs from basename and INCLUDE_SUFFIX_OS /
567 // INCLUDE_SUFFIX_CPU / INCLUDE_SUFFIX_COMPILER, which are set on
568 // the command line, the name of platform dependent files to be included.
569 // Example: INCLUDE_SUFFIX_OS=_linux / INCLUDE_SUFFIX_CPU=_sparc
570 // CPU_HEADER_INLINE(macroAssembler) --> macroAssembler_sparc.inline.hpp
571 // OS_CPU_HEADER(vmStructs) --> vmStructs_linux_sparc.hpp
572 //
573 // basename<cpu>.hpp / basename<cpu>.inline.hpp
574 #define CPU_HEADER_H(basename) XSTR(CPU_HEADER_STEM(basename).h)
575 #define CPU_HEADER(basename) XSTR(CPU_HEADER_STEM(basename).hpp)
576 #define CPU_HEADER_INLINE(basename) XSTR(CPU_HEADER_STEM(basename).inline.hpp)
577 // basename<os>.hpp / basename<os>.inline.hpp
578 #define OS_HEADER_H(basename) XSTR(OS_HEADER_STEM(basename).h)
579 #define OS_HEADER(basename) XSTR(OS_HEADER_STEM(basename).hpp)
580 #define OS_HEADER_INLINE(basename) XSTR(OS_HEADER_STEM(basename).inline.hpp)
581 // basename<os><cpu>.hpp / basename<os><cpu>.inline.hpp
582 #define OS_CPU_HEADER(basename) XSTR(OS_CPU_HEADER_STEM(basename).hpp)
583 #define OS_CPU_HEADER_INLINE(basename) XSTR(OS_CPU_HEADER_STEM(basename).inline.hpp)
584 // basename<compiler>.hpp / basename<compiler>.inline.hpp
585 #define COMPILER_HEADER(basename) XSTR(COMPILER_HEADER_STEM(basename).hpp)
586 #define COMPILER_HEADER_INLINE(basename) XSTR(COMPILER_HEADER_STEM(basename).inline.hpp)
587
588 // To use Atomic::inc(jshort* dest) and Atomic::dec(jshort* dest), the address must be specially
589 // aligned, such that (*dest) occupies the upper 16 bits of an aligned 32-bit word. The best way to
590 // achieve is to place your short value next to another short value, which doesn't need atomic ops.
591 //
592 // Example
593 // ATOMIC_SHORT_PAIR(
594 // volatile short _refcount, // needs atomic operation
595 // unsigned short _length // number of UTF8 characters in the symbol (does not need atomic op)
596 // );
597
598 #ifdef VM_LITTLE_ENDIAN
599 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \
600 non_atomic_decl; \
601 atomic_decl
602 #else
603 #define ATOMIC_SHORT_PAIR(atomic_decl, non_atomic_decl) \
604 atomic_decl; \
605 non_atomic_decl
606 #endif
607
608 #if INCLUDE_CDS && INCLUDE_G1GC && defined(_LP64) && !defined(_WINDOWS)
609 #define INCLUDE_CDS_JAVA_HEAP 1
610 #define CDS_JAVA_HEAP_ONLY(x) x
611 #define NOT_CDS_JAVA_HEAP(x)
612 #define NOT_CDS_JAVA_HEAP_RETURN
613 #define NOT_CDS_JAVA_HEAP_RETURN_(code)
614 #else
615 #define INCLUDE_CDS_JAVA_HEAP 0
616 #define CDS_JAVA_HEAP_ONLY(x)
617 #define NOT_CDS_JAVA_HEAP(x) x
618 #define NOT_CDS_JAVA_HEAP_RETURN {}
619 #define NOT_CDS_JAVA_HEAP_RETURN_(code) { return code; }
620 #endif
621
622 #endif // SHARE_VM_UTILITIES_MACROS_HPP