Mercurial > hg > truffle
annotate src/share/vm/runtime/vm_version.cpp @ 1615:ff38d05ea86f
6956958: assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted() || is_optimized() || is_megam
Reviewed-by: kvn
author | never |
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date | Fri, 18 Jun 2010 16:51:54 -0700 |
parents | c18cbe5936b8 |
children | 126ea7725993 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2009, 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 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_vm_version.cpp.incl" | |
27 | |
28 const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release(); | |
29 const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string(); | |
30 bool Abstract_VM_Version::_supports_cx8 = false; | |
31 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U; | |
32 | |
33 #ifndef HOTSPOT_RELEASE_VERSION | |
34 #error HOTSPOT_RELEASE_VERSION must be defined | |
35 #endif | |
36 #ifndef JRE_RELEASE_VERSION | |
37 #error JRE_RELEASE_VERSION must be defined | |
38 #endif | |
39 #ifndef HOTSPOT_BUILD_TARGET | |
40 #error HOTSPOT_BUILD_TARGET must be defined | |
41 #endif | |
42 | |
43 #ifdef PRODUCT | |
44 #define VM_RELEASE HOTSPOT_RELEASE_VERSION | |
45 #else | |
46 #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET | |
47 #endif | |
48 | |
49 // HOTSPOT_RELEASE_VERSION must follow the release version naming convention | |
50 // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>] | |
51 int Abstract_VM_Version::_vm_major_version = 0; | |
52 int Abstract_VM_Version::_vm_minor_version = 0; | |
53 int Abstract_VM_Version::_vm_build_number = 0; | |
54 bool Abstract_VM_Version::_initialized = false; | |
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55 int Abstract_VM_Version::_parallel_worker_threads = 0; |
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56 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false; |
0 | 57 |
58 void Abstract_VM_Version::initialize() { | |
59 if (_initialized) { | |
60 return; | |
61 } | |
62 char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION); | |
63 | |
64 // Expecting the next vm_version format: | |
65 // <major_ver>.<minor_ver>-b<nn>[-<identifier>] | |
66 char* vm_major_ver = vm_version; | |
67 assert(isdigit(vm_major_ver[0]),"wrong vm major version number"); | |
68 char* vm_minor_ver = strchr(vm_major_ver, '.'); | |
69 assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number"); | |
70 vm_minor_ver[0] = '\0'; // terminate vm_major_ver | |
71 vm_minor_ver += 1; | |
72 char* vm_build_num = strchr(vm_minor_ver, '-'); | |
73 assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number"); | |
74 vm_build_num[0] = '\0'; // terminate vm_minor_ver | |
75 vm_build_num += 2; | |
76 | |
77 _vm_major_version = atoi(vm_major_ver); | |
78 _vm_minor_version = atoi(vm_minor_ver); | |
79 _vm_build_number = atoi(vm_build_num); | |
80 | |
81 os::free(vm_version); | |
82 _initialized = true; | |
83 } | |
84 | |
85 #if defined(_LP64) | |
86 #define VMLP "64-Bit " | |
87 #else | |
88 #define VMLP "" | |
89 #endif | |
90 | |
91 #ifdef KERNEL | |
92 #define VMTYPE "Kernel" | |
93 #else // KERNEL | |
94 #ifdef TIERED | |
95 #define VMTYPE "Server" | |
1010 | 96 #else // TIERED |
97 #ifdef ZERO | |
98 #define VMTYPE "Zero" | |
99 #else // ZERO | |
100 #define VMTYPE COMPILER1_PRESENT("Client") \ | |
101 COMPILER2_PRESENT("Server") | |
102 #endif // ZERO | |
0 | 103 #endif // TIERED |
104 #endif // KERNEL | |
105 | |
106 #ifndef HOTSPOT_VM_DISTRO | |
107 #error HOTSPOT_VM_DISTRO must be defined | |
108 #endif | |
109 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP VMTYPE " VM" | |
110 | |
111 const char* Abstract_VM_Version::vm_name() { | |
112 return VMNAME; | |
113 } | |
114 | |
115 | |
116 const char* Abstract_VM_Version::vm_vendor() { | |
117 #ifdef VENDOR | |
118 return XSTR(VENDOR); | |
119 #else | |
120 return "Sun Microsystems Inc."; | |
121 #endif | |
122 } | |
123 | |
124 | |
125 const char* Abstract_VM_Version::vm_info_string() { | |
126 switch (Arguments::mode()) { | |
127 case Arguments::_int: | |
128 return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; | |
129 case Arguments::_mixed: | |
130 return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; | |
131 case Arguments::_comp: | |
132 return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; | |
133 }; | |
134 ShouldNotReachHere(); | |
135 return ""; | |
136 } | |
137 | |
138 // NOTE: do *not* use stringStream. this function is called by | |
139 // fatal error handler. if the crash is in native thread, | |
140 // stringStream cannot get resource allocated and will SEGV. | |
141 const char* Abstract_VM_Version::vm_release() { | |
142 return VM_RELEASE; | |
143 } | |
144 | |
145 #define OS LINUX_ONLY("linux") \ | |
146 WINDOWS_ONLY("windows") \ | |
147 SOLARIS_ONLY("solaris") | |
148 | |
1010 | 149 #ifdef ZERO |
150 #define CPU ZERO_LIBARCH | |
151 #else | |
0 | 152 #define CPU IA32_ONLY("x86") \ |
153 IA64_ONLY("ia64") \ | |
154 AMD64_ONLY("amd64") \ | |
155 SPARC_ONLY("sparc") | |
1010 | 156 #endif // ZERO |
0 | 157 |
158 const char *Abstract_VM_Version::vm_platform_string() { | |
159 return OS "-" CPU; | |
160 } | |
161 | |
162 const char* Abstract_VM_Version::internal_vm_info_string() { | |
163 #ifndef HOTSPOT_BUILD_USER | |
164 #define HOTSPOT_BUILD_USER unknown | |
165 #endif | |
166 | |
167 #ifndef HOTSPOT_BUILD_COMPILER | |
168 #ifdef _MSC_VER | |
169 #if _MSC_VER == 1100 | |
170 #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0" | |
171 #elif _MSC_VER == 1200 | |
172 #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0" | |
173 #elif _MSC_VER == 1310 | |
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174 #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)" |
0 | 175 #elif _MSC_VER == 1400 |
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176 #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)" |
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177 #elif _MSC_VER == 1500 |
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178 #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)" |
0 | 179 #else |
180 #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) | |
181 #endif | |
182 #elif defined(__SUNPRO_CC) | |
183 #if __SUNPRO_CC == 0x420 | |
184 #define HOTSPOT_BUILD_COMPILER "Workshop 4.2" | |
185 #elif __SUNPRO_CC == 0x500 | |
186 #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
187 #elif __SUNPRO_CC == 0x520 | |
188 #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
189 #elif __SUNPRO_CC == 0x580 | |
190 #define HOTSPOT_BUILD_COMPILER "Workshop 5.8" | |
191 #elif __SUNPRO_CC == 0x590 | |
192 #define HOTSPOT_BUILD_COMPILER "Workshop 5.9" | |
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193 #elif __SUNPRO_CC == 0x5100 |
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194 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" |
0 | 195 #else |
196 #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) | |
197 #endif | |
198 #elif defined(__GNUC__) | |
199 #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ | |
200 #else | |
201 #define HOTSPOT_BUILD_COMPILER "unknown compiler" | |
202 #endif | |
203 #endif | |
204 | |
205 | |
206 return VMNAME " (" VM_RELEASE ") for " OS "-" CPU | |
207 " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__ | |
208 " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER; | |
209 } | |
210 | |
211 unsigned int Abstract_VM_Version::jvm_version() { | |
212 return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | | |
213 ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | | |
214 (Abstract_VM_Version::vm_build_number() & 0xFF); | |
215 } | |
216 | |
217 | |
218 void VM_Version_init() { | |
219 VM_Version::initialize(); | |
220 | |
221 #ifndef PRODUCT | |
222 if (PrintMiscellaneous && Verbose) { | |
223 os::print_cpu_info(tty); | |
224 } | |
225 #endif | |
226 } | |
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227 |
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228 unsigned int Abstract_VM_Version::nof_parallel_worker_threads( |
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229 unsigned int num, |
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230 unsigned int den, |
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231 unsigned int switch_pt) { |
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232 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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233 assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); |
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234 // For very large machines, there are diminishing returns |
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235 // for large numbers of worker threads. Instead of |
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236 // hogging the whole system, use a fraction of the workers for every |
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237 // processor after the first 8. For example, on a 72 cpu machine |
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238 // and a chosen fraction of 5/8 |
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239 // use 8 + (72 - 8) * (5/8) == 48 worker threads. |
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240 unsigned int ncpus = (unsigned int) os::active_processor_count(); |
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241 return (ncpus <= switch_pt) ? |
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242 ncpus : |
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243 (switch_pt + ((ncpus - switch_pt) * num) / den); |
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244 } else { |
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245 return ParallelGCThreads; |
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246 } |
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247 } |
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248 |
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249 unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { |
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250 return nof_parallel_worker_threads(5, 8, 8); |
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251 } |
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252 |
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253 |
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254 // Does not set the _initialized flag since it is |
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255 // a global flag. |
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256 unsigned int Abstract_VM_Version::parallel_worker_threads() { |
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257 if (!_parallel_worker_threads_initialized) { |
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258 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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259 _parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); |
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260 } else { |
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261 _parallel_worker_threads = ParallelGCThreads; |
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262 } |
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263 _parallel_worker_threads_initialized = true; |
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264 } |
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265 return _parallel_worker_threads; |
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266 } |