Mercurial > hg > truffle
annotate src/share/vm/runtime/vm_version.cpp @ 9093:cd22923e7ca7
removed unnecessary code
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 12 Apr 2013 21:35:27 +0200 |
parents | b9a918201d47 |
children | cefad50507d8 |
rev | line source |
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0 | 1 /* |
7951 | 2 * Copyright (c) 1998, 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 #include "precompiled.hpp" |
26 #include "memory/universe.hpp" | |
27 #include "oops/oop.inline.hpp" | |
28 #include "runtime/arguments.hpp" | |
29 #ifdef TARGET_ARCH_x86 | |
30 # include "vm_version_x86.hpp" | |
31 #endif | |
32 #ifdef TARGET_ARCH_sparc | |
33 # include "vm_version_sparc.hpp" | |
34 #endif | |
35 #ifdef TARGET_ARCH_zero | |
36 # include "vm_version_zero.hpp" | |
37 #endif | |
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38 #ifdef TARGET_ARCH_arm |
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39 # include "vm_version_arm.hpp" |
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40 #endif |
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41 #ifdef TARGET_ARCH_ppc |
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42 # include "vm_version_ppc.hpp" |
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43 #endif |
0 | 44 |
45 const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release(); | |
46 const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string(); | |
47 bool Abstract_VM_Version::_supports_cx8 = false; | |
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48 bool Abstract_VM_Version::_supports_atomic_getset4 = false; |
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49 bool Abstract_VM_Version::_supports_atomic_getset8 = false; |
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50 bool Abstract_VM_Version::_supports_atomic_getadd4 = false; |
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51 bool Abstract_VM_Version::_supports_atomic_getadd8 = false; |
0 | 52 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U; |
3854 | 53 int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0; |
0 | 54 |
55 #ifndef HOTSPOT_RELEASE_VERSION | |
56 #error HOTSPOT_RELEASE_VERSION must be defined | |
57 #endif | |
58 #ifndef JRE_RELEASE_VERSION | |
59 #error JRE_RELEASE_VERSION must be defined | |
60 #endif | |
61 #ifndef HOTSPOT_BUILD_TARGET | |
62 #error HOTSPOT_BUILD_TARGET must be defined | |
63 #endif | |
64 | |
65 #ifdef PRODUCT | |
66 #define VM_RELEASE HOTSPOT_RELEASE_VERSION | |
67 #else | |
68 #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET | |
69 #endif | |
70 | |
71 // HOTSPOT_RELEASE_VERSION must follow the release version naming convention | |
72 // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>] | |
73 int Abstract_VM_Version::_vm_major_version = 0; | |
74 int Abstract_VM_Version::_vm_minor_version = 0; | |
75 int Abstract_VM_Version::_vm_build_number = 0; | |
76 bool Abstract_VM_Version::_initialized = false; | |
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77 int Abstract_VM_Version::_parallel_worker_threads = 0; |
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78 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false; |
0 | 79 |
80 void Abstract_VM_Version::initialize() { | |
81 if (_initialized) { | |
82 return; | |
83 } | |
84 char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION); | |
85 | |
86 // Expecting the next vm_version format: | |
87 // <major_ver>.<minor_ver>-b<nn>[-<identifier>] | |
88 char* vm_major_ver = vm_version; | |
89 assert(isdigit(vm_major_ver[0]),"wrong vm major version number"); | |
90 char* vm_minor_ver = strchr(vm_major_ver, '.'); | |
91 assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number"); | |
92 vm_minor_ver[0] = '\0'; // terminate vm_major_ver | |
93 vm_minor_ver += 1; | |
94 char* vm_build_num = strchr(vm_minor_ver, '-'); | |
95 assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number"); | |
96 vm_build_num[0] = '\0'; // terminate vm_minor_ver | |
97 vm_build_num += 2; | |
98 | |
99 _vm_major_version = atoi(vm_major_ver); | |
100 _vm_minor_version = atoi(vm_minor_ver); | |
101 _vm_build_number = atoi(vm_build_num); | |
102 | |
103 os::free(vm_version); | |
104 _initialized = true; | |
105 } | |
106 | |
107 #if defined(_LP64) | |
108 #define VMLP "64-Bit " | |
109 #else | |
110 #define VMLP "" | |
111 #endif | |
112 | |
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113 #ifndef VMTYPE |
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114 #ifdef TIERED |
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115 #define VMTYPE "Server" |
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116 #else // TIERED |
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117 #ifdef ZERO |
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118 #ifdef SHARK |
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119 #define VMTYPE "Shark" |
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120 #else // SHARK |
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121 #define VMTYPE "Zero" |
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122 #endif // SHARK |
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123 #else // ZERO |
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124 #ifdef GRAALVM |
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125 #define VMTYPE "Graal" |
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126 #else // GRAAL |
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127 #define VMTYPE COMPILER1_PRESENT("Client") \ |
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128 COMPILER2_PRESENT("Server") |
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129 #endif // GRAAL |
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130 #endif // ZERO |
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131 #endif // TIERED |
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132 #endif |
0 | 133 |
134 #ifndef HOTSPOT_VM_DISTRO | |
135 #error HOTSPOT_VM_DISTRO must be defined | |
136 #endif | |
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137 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM" |
0 | 138 |
139 const char* Abstract_VM_Version::vm_name() { | |
140 return VMNAME; | |
141 } | |
142 | |
143 | |
144 const char* Abstract_VM_Version::vm_vendor() { | |
145 #ifdef VENDOR | |
146 return XSTR(VENDOR); | |
147 #else | |
1800 | 148 return JDK_Version::is_gte_jdk17x_version() ? |
149 "Oracle Corporation" : "Sun Microsystems Inc."; | |
0 | 150 #endif |
151 } | |
152 | |
153 | |
154 const char* Abstract_VM_Version::vm_info_string() { | |
155 switch (Arguments::mode()) { | |
156 case Arguments::_int: | |
157 return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; | |
158 case Arguments::_mixed: | |
159 return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; | |
160 case Arguments::_comp: | |
161 return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; | |
162 }; | |
163 ShouldNotReachHere(); | |
164 return ""; | |
165 } | |
166 | |
167 // NOTE: do *not* use stringStream. this function is called by | |
168 // fatal error handler. if the crash is in native thread, | |
169 // stringStream cannot get resource allocated and will SEGV. | |
170 const char* Abstract_VM_Version::vm_release() { | |
171 return VM_RELEASE; | |
172 } | |
173 | |
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174 // NOTE: do *not* use stringStream. this function is called by |
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175 // fatal error handlers. if the crash is in native thread, |
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176 // stringStream cannot get resource allocated and will SEGV. |
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177 const char* Abstract_VM_Version::jre_release_version() { |
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178 return JRE_RELEASE_VERSION; |
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179 } |
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180 |
0 | 181 #define OS LINUX_ONLY("linux") \ |
182 WINDOWS_ONLY("windows") \ | |
3960 | 183 SOLARIS_ONLY("solaris") \ |
184 BSD_ONLY("bsd") | |
0 | 185 |
1010 | 186 #ifdef ZERO |
187 #define CPU ZERO_LIBARCH | |
188 #else | |
0 | 189 #define CPU IA32_ONLY("x86") \ |
190 IA64_ONLY("ia64") \ | |
191 AMD64_ONLY("amd64") \ | |
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192 ARM_ONLY("arm") \ |
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193 PPC_ONLY("ppc") \ |
0 | 194 SPARC_ONLY("sparc") |
1010 | 195 #endif // ZERO |
0 | 196 |
197 const char *Abstract_VM_Version::vm_platform_string() { | |
198 return OS "-" CPU; | |
199 } | |
200 | |
201 const char* Abstract_VM_Version::internal_vm_info_string() { | |
202 #ifndef HOTSPOT_BUILD_USER | |
203 #define HOTSPOT_BUILD_USER unknown | |
204 #endif | |
205 | |
206 #ifndef HOTSPOT_BUILD_COMPILER | |
207 #ifdef _MSC_VER | |
208 #if _MSC_VER == 1100 | |
209 #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0" | |
210 #elif _MSC_VER == 1200 | |
211 #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0" | |
212 #elif _MSC_VER == 1310 | |
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213 #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)" |
0 | 214 #elif _MSC_VER == 1400 |
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215 #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)" |
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216 #elif _MSC_VER == 1500 |
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217 #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)" |
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218 #elif _MSC_VER == 1600 |
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219 #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)" |
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220 #elif _MSC_VER == 1700 |
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221 #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)" |
0 | 222 #else |
223 #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) | |
224 #endif | |
225 #elif defined(__SUNPRO_CC) | |
226 #if __SUNPRO_CC == 0x420 | |
227 #define HOTSPOT_BUILD_COMPILER "Workshop 4.2" | |
228 #elif __SUNPRO_CC == 0x500 | |
229 #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
230 #elif __SUNPRO_CC == 0x520 | |
231 #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
232 #elif __SUNPRO_CC == 0x580 | |
233 #define HOTSPOT_BUILD_COMPILER "Workshop 5.8" | |
234 #elif __SUNPRO_CC == 0x590 | |
235 #define HOTSPOT_BUILD_COMPILER "Workshop 5.9" | |
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236 #elif __SUNPRO_CC == 0x5100 |
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237 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" |
0 | 238 #else |
239 #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) | |
240 #endif | |
241 #elif defined(__GNUC__) | |
242 #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ | |
243 #else | |
244 #define HOTSPOT_BUILD_COMPILER "unknown compiler" | |
245 #endif | |
246 #endif | |
247 | |
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248 #ifndef FLOAT_ARCH |
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249 #if defined(__SOFTFP__) |
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250 #define FLOAT_ARCH_STR "-sflt" |
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251 #elif defined(E500V2) |
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252 #define FLOAT_ARCH_STR "-e500v2" |
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253 #elif defined(ARM) |
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254 #define FLOAT_ARCH_STR "-vfp" |
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255 #elif defined(PPC) |
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256 #define FLOAT_ARCH_STR "-hflt" |
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257 #else |
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258 #define FLOAT_ARCH_STR "" |
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259 #endif |
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260 #else |
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261 #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH) |
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262 #endif |
0 | 263 |
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264 return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR |
0 | 265 " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__ |
266 " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER; | |
267 } | |
268 | |
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269 const char *Abstract_VM_Version::vm_build_user() { |
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270 return HOTSPOT_BUILD_USER; |
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271 } |
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272 |
0 | 273 unsigned int Abstract_VM_Version::jvm_version() { |
274 return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | | |
275 ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | | |
276 (Abstract_VM_Version::vm_build_number() & 0xFF); | |
277 } | |
278 | |
279 | |
280 void VM_Version_init() { | |
281 VM_Version::initialize(); | |
282 | |
283 #ifndef PRODUCT | |
284 if (PrintMiscellaneous && Verbose) { | |
285 os::print_cpu_info(tty); | |
286 } | |
287 #endif | |
288 } | |
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289 |
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290 unsigned int Abstract_VM_Version::nof_parallel_worker_threads( |
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291 unsigned int num, |
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292 unsigned int den, |
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293 unsigned int switch_pt) { |
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294 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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295 assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); |
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296 // For very large machines, there are diminishing returns |
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297 // for large numbers of worker threads. Instead of |
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298 // hogging the whole system, use a fraction of the workers for every |
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299 // processor after the first 8. For example, on a 72 cpu machine |
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300 // and a chosen fraction of 5/8 |
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301 // use 8 + (72 - 8) * (5/8) == 48 worker threads. |
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302 unsigned int ncpus = (unsigned int) os::active_processor_count(); |
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303 return (ncpus <= switch_pt) ? |
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304 ncpus : |
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305 (switch_pt + ((ncpus - switch_pt) * num) / den); |
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306 } else { |
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307 return ParallelGCThreads; |
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308 } |
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309 } |
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310 |
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311 unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { |
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312 return nof_parallel_worker_threads(5, 8, 8); |
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313 } |
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314 |
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315 |
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316 // Does not set the _initialized flag since it is |
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317 // a global flag. |
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318 unsigned int Abstract_VM_Version::parallel_worker_threads() { |
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319 if (!_parallel_worker_threads_initialized) { |
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320 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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321 _parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); |
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322 } else { |
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323 _parallel_worker_threads = ParallelGCThreads; |
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324 } |
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325 _parallel_worker_threads_initialized = true; |
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326 } |
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327 return _parallel_worker_threads; |
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328 } |