Mercurial > hg > truffle
annotate src/share/vm/runtime/vm_version.cpp @ 14714:b602356a9cfc
additional canonicalizers for accesses and value nodes (improves number of implicit null checks)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 20 Mar 2014 17:15:36 +0100 |
parents | d8041d695d19 |
children | 4ca6dc0799b6 |
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 #ifdef COMPILERGRAAL |
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116 #define VMTYPE "Graal" |
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117 #else // COMPILERGRAAL |
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118 #define VMTYPE "Server" |
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119 #endif // COMPILERGRAAL |
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120 #else // TIERED |
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121 #ifdef ZERO |
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122 #ifdef SHARK |
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123 #define VMTYPE "Shark" |
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124 #else // SHARK |
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125 #define VMTYPE "Zero" |
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126 #endif // SHARK |
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127 #else // ZERO |
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128 #define VMTYPE COMPILER1_PRESENT("Client") \ |
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129 COMPILER2_PRESENT("Server") \ |
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130 COMPILERGRAAL_PRESENT("Graal") |
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131 #endif // ZERO |
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132 #endif // TIERED |
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133 #endif |
0 | 134 |
135 #ifndef HOTSPOT_VM_DISTRO | |
136 #error HOTSPOT_VM_DISTRO must be defined | |
137 #endif | |
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138 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM" |
0 | 139 |
140 const char* Abstract_VM_Version::vm_name() { | |
141 return VMNAME; | |
142 } | |
143 | |
144 | |
145 const char* Abstract_VM_Version::vm_vendor() { | |
146 #ifdef VENDOR | |
147 return XSTR(VENDOR); | |
148 #else | |
1800 | 149 return JDK_Version::is_gte_jdk17x_version() ? |
150 "Oracle Corporation" : "Sun Microsystems Inc."; | |
0 | 151 #endif |
152 } | |
153 | |
154 | |
155 const char* Abstract_VM_Version::vm_info_string() { | |
156 switch (Arguments::mode()) { | |
157 case Arguments::_int: | |
158 return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; | |
159 case Arguments::_mixed: | |
160 return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; | |
161 case Arguments::_comp: | |
162 return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; | |
163 }; | |
164 ShouldNotReachHere(); | |
165 return ""; | |
166 } | |
167 | |
168 // NOTE: do *not* use stringStream. this function is called by | |
169 // fatal error handler. if the crash is in native thread, | |
170 // stringStream cannot get resource allocated and will SEGV. | |
171 const char* Abstract_VM_Version::vm_release() { | |
172 return VM_RELEASE; | |
173 } | |
174 | |
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175 // NOTE: do *not* use stringStream. this function is called by |
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176 // fatal error handlers. if the crash is in native thread, |
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177 // stringStream cannot get resource allocated and will SEGV. |
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178 const char* Abstract_VM_Version::jre_release_version() { |
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179 return JRE_RELEASE_VERSION; |
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180 } |
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181 |
0 | 182 #define OS LINUX_ONLY("linux") \ |
183 WINDOWS_ONLY("windows") \ | |
3960 | 184 SOLARIS_ONLY("solaris") \ |
14411 | 185 AIX_ONLY("aix") \ |
3960 | 186 BSD_ONLY("bsd") |
0 | 187 |
1010 | 188 #ifdef ZERO |
189 #define CPU ZERO_LIBARCH | |
190 #else | |
0 | 191 #define CPU IA32_ONLY("x86") \ |
192 IA64_ONLY("ia64") \ | |
193 AMD64_ONLY("amd64") \ | |
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194 ARM_ONLY("arm") \ |
14390 | 195 PPC32_ONLY("ppc") \ |
14391 | 196 PPC64_ONLY("ppc64") \ |
0 | 197 SPARC_ONLY("sparc") |
1010 | 198 #endif // ZERO |
0 | 199 |
200 const char *Abstract_VM_Version::vm_platform_string() { | |
201 return OS "-" CPU; | |
202 } | |
203 | |
204 const char* Abstract_VM_Version::internal_vm_info_string() { | |
205 #ifndef HOTSPOT_BUILD_USER | |
206 #define HOTSPOT_BUILD_USER unknown | |
207 #endif | |
208 | |
209 #ifndef HOTSPOT_BUILD_COMPILER | |
210 #ifdef _MSC_VER | |
211 #if _MSC_VER == 1100 | |
212 #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0" | |
213 #elif _MSC_VER == 1200 | |
214 #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0" | |
215 #elif _MSC_VER == 1310 | |
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216 #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)" |
0 | 217 #elif _MSC_VER == 1400 |
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218 #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)" |
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219 #elif _MSC_VER == 1500 |
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220 #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)" |
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221 #elif _MSC_VER == 1600 |
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222 #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)" |
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223 #elif _MSC_VER == 1700 |
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224 #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)" |
0 | 225 #else |
226 #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) | |
227 #endif | |
228 #elif defined(__SUNPRO_CC) | |
229 #if __SUNPRO_CC == 0x420 | |
230 #define HOTSPOT_BUILD_COMPILER "Workshop 4.2" | |
231 #elif __SUNPRO_CC == 0x500 | |
232 #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
233 #elif __SUNPRO_CC == 0x520 | |
234 #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) | |
235 #elif __SUNPRO_CC == 0x580 | |
236 #define HOTSPOT_BUILD_COMPILER "Workshop 5.8" | |
237 #elif __SUNPRO_CC == 0x590 | |
238 #define HOTSPOT_BUILD_COMPILER "Workshop 5.9" | |
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239 #elif __SUNPRO_CC == 0x5100 |
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240 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" |
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241 #elif __SUNPRO_CC == 0x5120 |
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242 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3" |
0 | 243 #else |
244 #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) | |
245 #endif | |
246 #elif defined(__GNUC__) | |
247 #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ | |
14411 | 248 #elif defined(__IBMCPP__) |
249 #define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__) | |
250 | |
0 | 251 #else |
252 #define HOTSPOT_BUILD_COMPILER "unknown compiler" | |
253 #endif | |
254 #endif | |
255 | |
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256 #ifndef FLOAT_ARCH |
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257 #if defined(__SOFTFP__) |
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258 #define FLOAT_ARCH_STR "-sflt" |
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259 #elif defined(E500V2) |
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260 #define FLOAT_ARCH_STR "-e500v2" |
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261 #elif defined(ARM) |
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262 #define FLOAT_ARCH_STR "-vfp" |
14390 | 263 #elif defined(PPC32) |
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264 #define FLOAT_ARCH_STR "-hflt" |
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265 #else |
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266 #define FLOAT_ARCH_STR "" |
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267 #endif |
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268 #else |
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269 #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH) |
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270 #endif |
0 | 271 |
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272 return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR |
0 | 273 " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__ |
274 " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER; | |
275 } | |
276 | |
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277 const char *Abstract_VM_Version::vm_build_user() { |
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278 return HOTSPOT_BUILD_USER; |
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279 } |
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280 |
0 | 281 unsigned int Abstract_VM_Version::jvm_version() { |
282 return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | | |
283 ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | | |
284 (Abstract_VM_Version::vm_build_number() & 0xFF); | |
285 } | |
286 | |
287 | |
288 void VM_Version_init() { | |
289 VM_Version::initialize(); | |
290 | |
291 #ifndef PRODUCT | |
292 if (PrintMiscellaneous && Verbose) { | |
293 os::print_cpu_info(tty); | |
294 } | |
295 #endif | |
296 } | |
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297 |
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298 unsigned int Abstract_VM_Version::nof_parallel_worker_threads( |
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299 unsigned int num, |
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300 unsigned int den, |
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301 unsigned int switch_pt) { |
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302 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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303 assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); |
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304 // For very large machines, there are diminishing returns |
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305 // for large numbers of worker threads. Instead of |
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306 // hogging the whole system, use a fraction of the workers for every |
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307 // processor after the first 8. For example, on a 72 cpu machine |
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308 // and a chosen fraction of 5/8 |
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309 // use 8 + (72 - 8) * (5/8) == 48 worker threads. |
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310 unsigned int ncpus = (unsigned int) os::active_processor_count(); |
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311 return (ncpus <= switch_pt) ? |
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312 ncpus : |
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313 (switch_pt + ((ncpus - switch_pt) * num) / den); |
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314 } else { |
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315 return ParallelGCThreads; |
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316 } |
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317 } |
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318 |
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319 unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { |
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320 return nof_parallel_worker_threads(5, 8, 8); |
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321 } |
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322 |
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323 |
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324 // Does not set the _initialized flag since it is |
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325 // a global flag. |
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326 unsigned int Abstract_VM_Version::parallel_worker_threads() { |
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327 if (!_parallel_worker_threads_initialized) { |
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328 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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329 _parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); |
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330 } else { |
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331 _parallel_worker_threads = ParallelGCThreads; |
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332 } |
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333 _parallel_worker_threads_initialized = true; |
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334 } |
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335 return _parallel_worker_threads; |
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336 } |