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