Mercurial > hg > truffle
annotate src/share/vm/runtime/vm_version.cpp @ 5459:ecb598b9d535
add simple test for ControlFlowGraph block computation
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 31 May 2012 18:24:53 +0200 |
parents | 33df1aeaebbf |
children | e522a00b91aa |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2011, 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; | |
48 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U; | |
3854 | 49 int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0; |
0 | 50 |
51 #ifndef HOTSPOT_RELEASE_VERSION | |
52 #error HOTSPOT_RELEASE_VERSION must be defined | |
53 #endif | |
54 #ifndef JRE_RELEASE_VERSION | |
55 #error JRE_RELEASE_VERSION must be defined | |
56 #endif | |
57 #ifndef HOTSPOT_BUILD_TARGET | |
58 #error HOTSPOT_BUILD_TARGET must be defined | |
59 #endif | |
60 | |
61 #ifdef PRODUCT | |
62 #define VM_RELEASE HOTSPOT_RELEASE_VERSION | |
63 #else | |
64 #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET | |
65 #endif | |
66 | |
67 // HOTSPOT_RELEASE_VERSION must follow the release version naming convention | |
68 // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>] | |
69 int Abstract_VM_Version::_vm_major_version = 0; | |
70 int Abstract_VM_Version::_vm_minor_version = 0; | |
71 int Abstract_VM_Version::_vm_build_number = 0; | |
72 bool Abstract_VM_Version::_initialized = false; | |
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73 int Abstract_VM_Version::_parallel_worker_threads = 0; |
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74 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false; |
0 | 75 |
76 void Abstract_VM_Version::initialize() { | |
77 if (_initialized) { | |
78 return; | |
79 } | |
80 char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION); | |
81 | |
82 // Expecting the next vm_version format: | |
83 // <major_ver>.<minor_ver>-b<nn>[-<identifier>] | |
84 char* vm_major_ver = vm_version; | |
85 assert(isdigit(vm_major_ver[0]),"wrong vm major version number"); | |
86 char* vm_minor_ver = strchr(vm_major_ver, '.'); | |
87 assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number"); | |
88 vm_minor_ver[0] = '\0'; // terminate vm_major_ver | |
89 vm_minor_ver += 1; | |
90 char* vm_build_num = strchr(vm_minor_ver, '-'); | |
91 assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number"); | |
92 vm_build_num[0] = '\0'; // terminate vm_minor_ver | |
93 vm_build_num += 2; | |
94 | |
95 _vm_major_version = atoi(vm_major_ver); | |
96 _vm_minor_version = atoi(vm_minor_ver); | |
97 _vm_build_number = atoi(vm_build_num); | |
98 | |
99 os::free(vm_version); | |
100 _initialized = true; | |
101 } | |
102 | |
103 #if defined(_LP64) | |
104 #define VMLP "64-Bit " | |
105 #else | |
106 #define VMLP "" | |
107 #endif | |
108 | |
109 #ifdef KERNEL | |
110 #define VMTYPE "Kernel" | |
111 #else // KERNEL | |
112 #ifdef TIERED | |
113 #define VMTYPE "Server" | |
1010 | 114 #else // TIERED |
115 #ifdef ZERO | |
1692 | 116 #ifdef SHARK |
117 #define VMTYPE "Shark" | |
118 #else // SHARK | |
1010 | 119 #define VMTYPE "Zero" |
1692 | 120 #endif // SHARK |
1010 | 121 #else // ZERO |
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122 #ifdef GRAAL |
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123 #define VMTYPE "Graal" |
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124 #else // GRAAL |
1010 | 125 #define VMTYPE COMPILER1_PRESENT("Client") \ |
126 COMPILER2_PRESENT("Server") | |
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127 #endif // GRAAL |
1010 | 128 #endif // ZERO |
0 | 129 #endif // TIERED |
130 #endif // KERNEL | |
131 | |
132 #ifndef HOTSPOT_VM_DISTRO | |
133 #error HOTSPOT_VM_DISTRO must be defined | |
134 #endif | |
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135 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM" |
0 | 136 |
137 const char* Abstract_VM_Version::vm_name() { | |
138 return VMNAME; | |
139 } | |
140 | |
141 | |
142 const char* Abstract_VM_Version::vm_vendor() { | |
143 #ifdef VENDOR | |
144 return XSTR(VENDOR); | |
145 #else | |
1800 | 146 return JDK_Version::is_gte_jdk17x_version() ? |
147 "Oracle Corporation" : "Sun Microsystems Inc."; | |
0 | 148 #endif |
149 } | |
150 | |
151 | |
152 const char* Abstract_VM_Version::vm_info_string() { | |
153 switch (Arguments::mode()) { | |
154 case Arguments::_int: | |
155 return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; | |
156 case Arguments::_mixed: | |
157 return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; | |
158 case Arguments::_comp: | |
159 return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; | |
160 }; | |
161 ShouldNotReachHere(); | |
162 return ""; | |
163 } | |
164 | |
165 // NOTE: do *not* use stringStream. this function is called by | |
166 // fatal error handler. if the crash is in native thread, | |
167 // stringStream cannot get resource allocated and will SEGV. | |
168 const char* Abstract_VM_Version::vm_release() { | |
169 return VM_RELEASE; | |
170 } | |
171 | |
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172 // NOTE: do *not* use stringStream. this function is called by |
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173 // fatal error handlers. if the crash is in native thread, |
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174 // stringStream cannot get resource allocated and will SEGV. |
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175 const char* Abstract_VM_Version::jre_release_version() { |
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176 return JRE_RELEASE_VERSION; |
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177 } |
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178 |
0 | 179 #define OS LINUX_ONLY("linux") \ |
180 WINDOWS_ONLY("windows") \ | |
3960 | 181 SOLARIS_ONLY("solaris") \ |
182 BSD_ONLY("bsd") | |
0 | 183 |
1010 | 184 #ifdef ZERO |
185 #define CPU ZERO_LIBARCH | |
186 #else | |
0 | 187 #define CPU IA32_ONLY("x86") \ |
188 IA64_ONLY("ia64") \ | |
189 AMD64_ONLY("amd64") \ | |
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190 ARM_ONLY("arm") \ |
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191 PPC_ONLY("ppc") \ |
0 | 192 SPARC_ONLY("sparc") |
1010 | 193 #endif // ZERO |
0 | 194 |
195 const char *Abstract_VM_Version::vm_platform_string() { | |
196 return OS "-" CPU; | |
197 } | |
198 | |
199 const char* Abstract_VM_Version::internal_vm_info_string() { | |
200 #ifndef HOTSPOT_BUILD_USER | |
201 #define HOTSPOT_BUILD_USER unknown | |
202 #endif | |
203 | |
204 #ifndef HOTSPOT_BUILD_COMPILER | |
205 #ifdef _MSC_VER | |
206 #if _MSC_VER == 1100 | |
207 #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0" | |
208 #elif _MSC_VER == 1200 | |
209 #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0" | |
210 #elif _MSC_VER == 1310 | |
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211 #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)" |
0 | 212 #elif _MSC_VER == 1400 |
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213 #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)" |
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214 #elif _MSC_VER == 1500 |
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215 #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)" |
0 | 216 #else |
217 #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) | |
218 #endif | |
219 #elif defined(__SUNPRO_CC) | |
220 #if __SUNPRO_CC == 0x420 | |
221 #define HOTSPOT_BUILD_COMPILER "Workshop 4.2" | |
222 #elif __SUNPRO_CC == 0x500 | |
223 #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
224 #elif __SUNPRO_CC == 0x520 | |
225 #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
226 #elif __SUNPRO_CC == 0x580 | |
227 #define HOTSPOT_BUILD_COMPILER "Workshop 5.8" | |
228 #elif __SUNPRO_CC == 0x590 | |
229 #define HOTSPOT_BUILD_COMPILER "Workshop 5.9" | |
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230 #elif __SUNPRO_CC == 0x5100 |
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231 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" |
0 | 232 #else |
233 #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) | |
234 #endif | |
235 #elif defined(__GNUC__) | |
236 #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ | |
237 #else | |
238 #define HOTSPOT_BUILD_COMPILER "unknown compiler" | |
239 #endif | |
240 #endif | |
241 | |
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242 #ifndef FLOAT_ARCH |
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243 #if defined(__SOFTFP__) |
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244 #define FLOAT_ARCH "-sflt" |
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245 #elif defined(E500V2) |
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246 #define FLOAT_ARCH "-e500v2" |
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247 #elif defined(ARM) |
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248 #define FLOAT_ARCH "-vfp" |
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249 #elif defined(PPC) |
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250 #define FLOAT_ARCH "-hflt" |
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251 #else |
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252 #define FLOAT_ARCH "" |
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253 #endif |
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254 #endif |
0 | 255 |
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256 return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH |
0 | 257 " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__ |
258 " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER; | |
259 } | |
260 | |
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261 const char *Abstract_VM_Version::vm_build_user() { |
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262 return HOTSPOT_BUILD_USER; |
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263 } |
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264 |
0 | 265 unsigned int Abstract_VM_Version::jvm_version() { |
266 return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | | |
267 ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | | |
268 (Abstract_VM_Version::vm_build_number() & 0xFF); | |
269 } | |
270 | |
271 | |
272 void VM_Version_init() { | |
273 VM_Version::initialize(); | |
274 | |
275 #ifndef PRODUCT | |
276 if (PrintMiscellaneous && Verbose) { | |
277 os::print_cpu_info(tty); | |
278 } | |
279 #endif | |
280 } | |
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281 |
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282 unsigned int Abstract_VM_Version::nof_parallel_worker_threads( |
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283 unsigned int num, |
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284 unsigned int den, |
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285 unsigned int switch_pt) { |
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286 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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287 assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); |
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288 // For very large machines, there are diminishing returns |
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289 // for large numbers of worker threads. Instead of |
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290 // hogging the whole system, use a fraction of the workers for every |
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291 // processor after the first 8. For example, on a 72 cpu machine |
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292 // and a chosen fraction of 5/8 |
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293 // use 8 + (72 - 8) * (5/8) == 48 worker threads. |
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294 unsigned int ncpus = (unsigned int) os::active_processor_count(); |
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295 return (ncpus <= switch_pt) ? |
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296 ncpus : |
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297 (switch_pt + ((ncpus - switch_pt) * num) / den); |
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298 } else { |
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299 return ParallelGCThreads; |
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300 } |
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301 } |
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302 |
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303 unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { |
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304 return nof_parallel_worker_threads(5, 8, 8); |
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305 } |
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306 |
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307 |
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308 // Does not set the _initialized flag since it is |
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309 // a global flag. |
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310 unsigned int Abstract_VM_Version::parallel_worker_threads() { |
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311 if (!_parallel_worker_threads_initialized) { |
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312 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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313 _parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); |
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314 } else { |
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315 _parallel_worker_threads = ParallelGCThreads; |
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316 } |
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317 _parallel_worker_threads_initialized = true; |
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318 } |
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319 return _parallel_worker_threads; |
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320 } |