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