Mercurial > hg > truffle
annotate src/share/vm/utilities/macros.hpp @ 20543:e7d0505c8a30
8059758: Footprint regressions with JDK-8038423
Summary: Changes in JDK-8038423 always initialize (zero out) virtual memory used for auxiliary data structures. This causes a footprint regression for G1 in startup benchmarks. This is because they do not touch that memory at all, so the operating system does not actually commit these pages. The fix is to, if the initialization value of the data structures matches the default value of just committed memory (=0), do not do anything.
Reviewed-by: jwilhelm, brutisso
author | tschatzl |
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date | Fri, 10 Oct 2014 15:51:58 +0200 |
parents | a9becfeecd1b |
children | d8041d695d19 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_UTILITIES_MACROS_HPP |
26 #define SHARE_VM_UTILITIES_MACROS_HPP | |
27 | |
0 | 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 | |
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37 // -DINCLUDE_<something>=0 | 1 can be specified on the command line to include |
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38 // or exclude functionality. |
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39 |
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40 #ifndef INCLUDE_JVMTI |
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41 #define INCLUDE_JVMTI 1 |
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42 #endif // INCLUDE_JVMTI |
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43 |
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44 #if INCLUDE_JVMTI |
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45 #define JVMTI_ONLY(x) x |
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46 #define NOT_JVMTI(x) |
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47 #define NOT_JVMTI_RETURN |
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48 #define NOT_JVMTI_RETURN_(code) /* next token must be ; */ |
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49 #else |
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50 #define JVMTI_ONLY(x) |
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51 #define NOT_JVMTI(x) x |
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52 #define NOT_JVMTI_RETURN { return; } |
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53 #define NOT_JVMTI_RETURN_(code) { return code; } |
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54 #endif // INCLUDE_JVMTI |
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55 |
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56 #ifndef INCLUDE_FPROF |
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57 #define INCLUDE_FPROF 1 |
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58 #endif |
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59 |
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60 #if INCLUDE_FPROF |
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61 #define NOT_FPROF_RETURN /* next token must be ; */ |
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62 #define NOT_FPROF_RETURN_(code) /* next token must be ; */ |
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63 #else |
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64 #define NOT_FPROF_RETURN {} |
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65 #define NOT_FPROF_RETURN_(code) { return code; } |
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66 #endif // INCLUDE_FPROF |
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67 |
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68 #ifndef INCLUDE_VM_STRUCTS |
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69 #define INCLUDE_VM_STRUCTS 1 |
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70 #endif |
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71 |
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72 #if INCLUDE_VM_STRUCTS |
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73 #define NOT_VM_STRUCTS_RETURN /* next token must be ; */ |
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74 #define NOT_VM_STRUCTS_RETURN_(code) /* next token must be ; */ |
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75 #else |
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76 #define NOT_VM_STRUCTS_RETURN {} |
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77 #define NOT_VM_STRUCTS_RETURN_(code) { return code; } |
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78 #endif // INCLUDE_VM_STRUCTS |
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79 |
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80 #ifndef INCLUDE_JNI_CHECK |
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81 #define INCLUDE_JNI_CHECK 1 |
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82 #endif |
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83 |
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84 #if INCLUDE_JNI_CHECK |
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85 #define NOT_JNI_CHECK_RETURN /* next token must be ; */ |
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86 #define NOT_JNI_CHECK_RETURN_(code) /* next token must be ; */ |
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87 #else |
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88 #define NOT_JNI_CHECK_RETURN {} |
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89 #define NOT_JNI_CHECK_RETURN_(code) { return code; } |
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90 #endif // INCLUDE_JNI_CHECK |
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91 |
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92 #ifndef INCLUDE_SERVICES |
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93 #define INCLUDE_SERVICES 1 |
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94 #endif |
0 | 95 |
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96 #if INCLUDE_SERVICES |
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97 #define NOT_SERVICES_RETURN /* next token must be ; */ |
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98 #define NOT_SERVICES_RETURN_(code) /* next token must be ; */ |
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99 #else |
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100 #define NOT_SERVICES_RETURN {} |
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101 #define NOT_SERVICES_RETURN_(code) { return code; } |
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102 #endif // INCLUDE_SERVICES |
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103 |
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104 #ifndef INCLUDE_CDS |
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105 #define INCLUDE_CDS 1 |
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106 #endif |
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107 |
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108 #if INCLUDE_CDS |
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109 #define CDS_ONLY(x) x |
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110 #define NOT_CDS(x) |
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111 #define NOT_CDS_RETURN /* next token must be ; */ |
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112 #define NOT_CDS_RETURN_(code) /* next token must be ; */ |
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113 #else |
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114 #define CDS_ONLY(x) |
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115 #define NOT_CDS(x) x |
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116 #define NOT_CDS_RETURN {} |
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117 #define NOT_CDS_RETURN_(code) { return code; } |
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118 #endif // INCLUDE_CDS |
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119 |
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120 #ifndef INCLUDE_MANAGEMENT |
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121 #define INCLUDE_MANAGEMENT 1 |
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122 #endif // INCLUDE_MANAGEMENT |
0 | 123 |
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124 #if INCLUDE_MANAGEMENT |
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125 #define NOT_MANAGEMENT_RETURN /* next token must be ; */ |
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126 #define NOT_MANAGEMENT_RETURN_(code) /* next token must be ; */ |
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127 #else |
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128 #define NOT_MANAGEMENT_RETURN {} |
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129 #define NOT_MANAGEMENT_RETURN_(code) { return code; } |
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130 #endif // INCLUDE_MANAGEMENT |
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132 /* |
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133 * When INCLUDE_ALL_GCS is false the only garbage collectors |
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134 * included in the JVM are defaultNewGeneration and markCompact. |
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135 * |
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136 * When INCLUDE_ALL_GCS is true all garbage collectors are |
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137 * included in the JVM. |
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138 */ |
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139 #ifndef INCLUDE_ALL_GCS |
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140 #define INCLUDE_ALL_GCS 1 |
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141 #endif // INCLUDE_ALL_GCS |
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143 #if INCLUDE_ALL_GCS |
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144 #define NOT_ALL_GCS_RETURN /* next token must be ; */ |
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145 #define NOT_ALL_GCS_RETURN_(code) /* next token must be ; */ |
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146 #else |
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147 #define NOT_ALL_GCS_RETURN {} |
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148 #define NOT_ALL_GCS_RETURN_(code) { return code; } |
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149 #endif // INCLUDE_ALL_GCS |
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151 #ifndef INCLUDE_NMT |
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152 #define INCLUDE_NMT 1 |
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153 #endif // INCLUDE_NMT |
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154 |
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155 #if INCLUDE_NMT |
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156 #define NOT_NMT_RETURN /* next token must be ; */ |
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157 #define NOT_NMT_RETURN_(code) /* next token must be ; */ |
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158 #else |
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159 #define NOT_NMT_RETURN {} |
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160 #define NOT_NMT_RETURN_(code) { return code; } |
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161 #endif // INCLUDE_NMT |
0 | 162 |
10405 | 163 #ifndef INCLUDE_TRACE |
164 #define INCLUDE_TRACE 1 | |
165 #endif // INCLUDE_TRACE | |
166 | |
0 | 167 // COMPILER1 variant |
168 #ifdef COMPILER1 | |
169 #ifdef COMPILER2 | |
170 #define TIERED | |
171 #endif | |
172 #define COMPILER1_PRESENT(code) code | |
173 #else // COMPILER1 | |
174 #define COMPILER1_PRESENT(code) | |
175 #endif // COMPILER1 | |
176 | |
177 // COMPILER2 variant | |
178 #ifdef COMPILER2 | |
179 #define COMPILER2_PRESENT(code) code | |
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180 #define NOT_COMPILER2(code) |
0 | 181 #else // COMPILER2 |
182 #define COMPILER2_PRESENT(code) | |
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183 #define NOT_COMPILER2(code) code |
0 | 184 #endif // COMPILER2 |
185 | |
1783 | 186 #ifdef TIERED |
187 #define TIERED_ONLY(code) code | |
188 #define NOT_TIERED(code) | |
189 #else | |
190 #define TIERED_ONLY(code) | |
191 #define NOT_TIERED(code) code | |
192 #endif // TIERED | |
193 | |
0 | 194 |
195 // PRODUCT variant | |
196 #ifdef PRODUCT | |
197 #define PRODUCT_ONLY(code) code | |
198 #define NOT_PRODUCT(code) | |
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199 #define NOT_PRODUCT_ARG(arg) |
0 | 200 #define PRODUCT_RETURN {} |
201 #define PRODUCT_RETURN0 { return 0; } | |
202 #define PRODUCT_RETURN_(code) { code } | |
203 #else // PRODUCT | |
204 #define PRODUCT_ONLY(code) | |
205 #define NOT_PRODUCT(code) code | |
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206 #define NOT_PRODUCT_ARG(arg) arg, |
0 | 207 #define PRODUCT_RETURN /*next token must be ;*/ |
208 #define PRODUCT_RETURN0 /*next token must be ;*/ | |
209 #define PRODUCT_RETURN_(code) /*next token must be ;*/ | |
210 #endif // PRODUCT | |
211 | |
212 #ifdef CHECK_UNHANDLED_OOPS | |
213 #define CHECK_UNHANDLED_OOPS_ONLY(code) code | |
214 #define NOT_CHECK_UNHANDLED_OOPS(code) | |
215 #else | |
216 #define CHECK_UNHANDLED_OOPS_ONLY(code) | |
217 #define NOT_CHECK_UNHANDLED_OOPS(code) code | |
218 #endif // CHECK_UNHANDLED_OOPS | |
219 | |
220 #ifdef CC_INTERP | |
221 #define CC_INTERP_ONLY(code) code | |
222 #define NOT_CC_INTERP(code) | |
223 #else | |
224 #define CC_INTERP_ONLY(code) | |
225 #define NOT_CC_INTERP(code) code | |
226 #endif // CC_INTERP | |
227 | |
228 #ifdef ASSERT | |
229 #define DEBUG_ONLY(code) code | |
230 #define NOT_DEBUG(code) | |
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231 #define NOT_DEBUG_RETURN /*next token must be ;*/ |
0 | 232 // Historical. |
233 #define debug_only(code) code | |
234 #else // ASSERT | |
235 #define DEBUG_ONLY(code) | |
236 #define NOT_DEBUG(code) code | |
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237 #define NOT_DEBUG_RETURN {} |
0 | 238 #define debug_only(code) |
239 #endif // ASSERT | |
240 | |
241 #ifdef _LP64 | |
242 #define LP64_ONLY(code) code | |
243 #define NOT_LP64(code) | |
244 #else // !_LP64 | |
245 #define LP64_ONLY(code) | |
246 #define NOT_LP64(code) code | |
247 #endif // _LP64 | |
248 | |
249 #ifdef LINUX | |
250 #define LINUX_ONLY(code) code | |
251 #define NOT_LINUX(code) | |
252 #else | |
253 #define LINUX_ONLY(code) | |
254 #define NOT_LINUX(code) code | |
255 #endif | |
256 | |
14411 | 257 #ifdef AIX |
258 #define AIX_ONLY(code) code | |
259 #define NOT_AIX(code) | |
260 #else | |
261 #define AIX_ONLY(code) | |
262 #define NOT_AIX(code) code | |
263 #endif | |
264 | |
0 | 265 #ifdef SOLARIS |
266 #define SOLARIS_ONLY(code) code | |
267 #define NOT_SOLARIS(code) | |
268 #else | |
269 #define SOLARIS_ONLY(code) | |
270 #define NOT_SOLARIS(code) code | |
271 #endif | |
272 | |
273 #ifdef _WINDOWS | |
274 #define WINDOWS_ONLY(code) code | |
275 #define NOT_WINDOWS(code) | |
276 #else | |
277 #define WINDOWS_ONLY(code) | |
278 #define NOT_WINDOWS(code) code | |
279 #endif | |
280 | |
3960 | 281 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) |
282 #define BSD_ONLY(code) code | |
283 #define NOT_BSD(code) | |
284 #else | |
285 #define BSD_ONLY(code) | |
286 #define NOT_BSD(code) code | |
287 #endif | |
288 | |
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289 #ifdef _WIN64 |
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290 #define WIN64_ONLY(code) code |
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291 #define NOT_WIN64(code) |
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292 #else |
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293 #define WIN64_ONLY(code) |
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294 #define NOT_WIN64(code) code |
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295 #endif |
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296 |
6926 | 297 #if defined(ZERO) |
298 #define ZERO_ONLY(code) code | |
299 #define NOT_ZERO(code) | |
300 #else | |
301 #define ZERO_ONLY(code) | |
302 #define NOT_ZERO(code) code | |
303 #endif | |
304 | |
305 #if defined(SHARK) | |
306 #define SHARK_ONLY(code) code | |
307 #define NOT_SHARK(code) | |
308 #else | |
309 #define SHARK_ONLY(code) | |
310 #define NOT_SHARK(code) code | |
311 #endif | |
312 | |
304 | 313 #if defined(IA32) || defined(AMD64) |
314 #define X86 | |
315 #define X86_ONLY(code) code | |
1692 | 316 #define NOT_X86(code) |
304 | 317 #else |
318 #undef X86 | |
319 #define X86_ONLY(code) | |
1692 | 320 #define NOT_X86(code) code |
304 | 321 #endif |
322 | |
0 | 323 #ifdef IA32 |
324 #define IA32_ONLY(code) code | |
325 #define NOT_IA32(code) | |
326 #else | |
327 #define IA32_ONLY(code) | |
328 #define NOT_IA32(code) code | |
329 #endif | |
330 | |
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331 // This is a REALLY BIG HACK, but on AIX <sys/systemcfg.h> unconditionally defines IA64. |
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332 // At least on AIX 7.1 this is a real problem because 'systemcfg.h' is indirectly included |
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333 // by 'pthread.h' and other common system headers. |
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334 |
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335 #if defined(IA64) && !defined(AIX) |
0 | 336 #define IA64_ONLY(code) code |
337 #define NOT_IA64(code) | |
338 #else | |
339 #define IA64_ONLY(code) | |
340 #define NOT_IA64(code) code | |
341 #endif | |
342 | |
343 #ifdef AMD64 | |
344 #define AMD64_ONLY(code) code | |
345 #define NOT_AMD64(code) | |
346 #else | |
347 #define AMD64_ONLY(code) | |
348 #define NOT_AMD64(code) code | |
349 #endif | |
350 | |
351 #ifdef SPARC | |
352 #define SPARC_ONLY(code) code | |
353 #define NOT_SPARC(code) | |
354 #else | |
355 #define SPARC_ONLY(code) | |
356 #define NOT_SPARC(code) code | |
357 #endif | |
358 | |
14390 | 359 #if defined(PPC32) || defined(PPC64) |
360 #ifndef PPC | |
361 #define PPC | |
362 #endif | |
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363 #define PPC_ONLY(code) code |
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364 #define NOT_PPC(code) |
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365 #else |
14390 | 366 #undef PPC |
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367 #define PPC_ONLY(code) |
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368 #define NOT_PPC(code) code |
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369 #endif |
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370 |
14390 | 371 #ifdef PPC32 |
372 #define PPC32_ONLY(code) code | |
373 #define NOT_PPC32(code) | |
374 #else | |
375 #define PPC32_ONLY(code) | |
376 #define NOT_PPC32(code) code | |
377 #endif | |
378 | |
379 #ifdef PPC64 | |
380 #define PPC64_ONLY(code) code | |
381 #define NOT_PPC64(code) | |
382 #else | |
383 #define PPC64_ONLY(code) | |
384 #define NOT_PPC64(code) code | |
385 #endif | |
386 | |
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387 #ifdef E500V2 |
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388 #define E500V2_ONLY(code) code |
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389 #define NOT_E500V2(code) |
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390 #else |
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391 #define E500V2_ONLY(code) |
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392 #define NOT_E500V2(code) code |
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393 #endif |
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394 |
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395 |
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396 #ifdef ARM |
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397 #define ARM_ONLY(code) code |
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398 #define NOT_ARM(code) |
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399 #else |
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400 #define ARM_ONLY(code) |
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401 #define NOT_ARM(code) code |
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402 #endif |
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403 |
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404 #ifdef JAVASE_EMBEDDED |
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405 #define EMBEDDED_ONLY(code) code |
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406 #define NOT_EMBEDDED(code) |
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407 #else |
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408 #define EMBEDDED_ONLY(code) |
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409 #define NOT_EMBEDDED(code) code |
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410 #endif |
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411 |
0 | 412 #define define_pd_global(type, name, value) const type pd_##name = value; |
1972 | 413 |
414 #endif // SHARE_VM_UTILITIES_MACROS_HPP |