1 /*
   2  * Copyright (c) 1998, 2020, Oracle and/or its affiliates. All rights reserved.
   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  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "compiler/compilerDefinitions.hpp"
  27 #include "runtime/arguments.hpp"
  28 #include "runtime/vm_version.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 
  31 const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release();
  32 const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string();
  33 
  34 uint64_t Abstract_VM_Version::_features = 0;
  35 const char* Abstract_VM_Version::_features_string = "";
  36 
  37 bool Abstract_VM_Version::_supports_cx8 = false;
  38 bool Abstract_VM_Version::_supports_atomic_getset4 = false;
  39 bool Abstract_VM_Version::_supports_atomic_getset8 = false;
  40 bool Abstract_VM_Version::_supports_atomic_getadd4 = false;
  41 bool Abstract_VM_Version::_supports_atomic_getadd8 = false;
  42 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;
  43 unsigned int Abstract_VM_Version::_L1_data_cache_line_size = 0;
  44 unsigned int Abstract_VM_Version::_data_cache_line_flush_size = 0;
  45 
  46 VirtualizationType Abstract_VM_Version::_detected_virtualization = NoDetectedVirtualization;
  47 
  48 #ifndef HOTSPOT_VERSION_STRING
  49   #error HOTSPOT_VERSION_STRING must be defined
  50 #endif
  51 
  52 #ifndef VERSION_FEATURE
  53   #error VERSION_FEATURE must be defined
  54 #endif
  55 #ifndef VERSION_INTERIM
  56   #error VERSION_INTERIM must be defined
  57 #endif
  58 #ifndef VERSION_UPDATE
  59   #error VERSION_UPDATE must be defined
  60 #endif
  61 #ifndef VERSION_PATCH
  62   #error VERSION_PATCH must be defined
  63 #endif
  64 #ifndef VERSION_BUILD
  65   #error VERSION_BUILD must be defined
  66 #endif
  67 
  68 #ifndef VERSION_STRING
  69   #error VERSION_STRING must be defined
  70 #endif
  71 
  72 #ifndef DEBUG_LEVEL
  73   #error DEBUG_LEVEL must be defined
  74 #endif
  75 
  76 #define VM_RELEASE HOTSPOT_VERSION_STRING
  77 
  78 // HOTSPOT_VERSION_STRING equals the JDK VERSION_STRING (unless overridden
  79 // in a standalone build).
  80 int Abstract_VM_Version::_vm_major_version = VERSION_FEATURE;
  81 int Abstract_VM_Version::_vm_minor_version = VERSION_INTERIM;
  82 int Abstract_VM_Version::_vm_security_version = VERSION_UPDATE;
  83 int Abstract_VM_Version::_vm_patch_version = VERSION_PATCH;
  84 int Abstract_VM_Version::_vm_build_number = VERSION_BUILD;
  85 
  86 #if defined(_LP64)
  87   #define VMLP "64-Bit "
  88 #else
  89   #define VMLP ""
  90 #endif
  91 
  92 #ifndef VMTYPE
  93   #ifdef TIERED
  94     #define VMTYPE "Server"
  95   #else // TIERED
  96   #ifdef ZERO
  97     #define VMTYPE "Zero"
  98   #else // ZERO
  99      #define VMTYPE COMPILER1_PRESENT("Client")   \
 100                     COMPILER2_PRESENT("Server")
 101   #endif // ZERO
 102   #endif // TIERED
 103 #endif
 104 
 105 #ifndef HOTSPOT_VM_DISTRO
 106   #error HOTSPOT_VM_DISTRO must be defined
 107 #endif
 108 #define VMNAME HOTSPOT_VM_DISTRO " " VMLP VMTYPE " VM"
 109 
 110 const char* Abstract_VM_Version::vm_name() {
 111   return VMNAME;
 112 }
 113 
 114 
 115 const char* Abstract_VM_Version::vm_vendor() {
 116 #ifdef VENDOR
 117   return VENDOR;
 118 #else
 119   return "Oracle Corporation";
 120 #endif
 121 }
 122 
 123 
 124 const char* Abstract_VM_Version::vm_info_string() {
 125   switch (Arguments::mode()) {
 126     case Arguments::_int:
 127       return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode";
 128     case Arguments::_mixed:
 129       if (UseSharedSpaces) {
 130         if (UseAOT) {
 131           return "mixed mode, aot, sharing";
 132 #ifdef TIERED
 133         } else if(is_client_compilation_mode_vm()) {
 134           return "mixed mode, emulated-client, sharing";
 135 #endif
 136         } else {
 137           return "mixed mode, sharing";
 138          }
 139       } else {
 140         if (UseAOT) {
 141           return "mixed mode, aot";
 142 #ifdef TIERED
 143         } else if(is_client_compilation_mode_vm()) {
 144           return "mixed mode, emulated-client";
 145 #endif
 146         } else {
 147           return "mixed mode";
 148         }
 149       }
 150     case Arguments::_comp:
 151 #ifdef TIERED
 152       if (is_client_compilation_mode_vm()) {
 153          return UseSharedSpaces ? "compiled mode, emulated-client, sharing" : "compiled mode, emulated-client";
 154       }
 155 #endif
 156       return UseSharedSpaces ? "compiled mode, sharing"    : "compiled mode";
 157   };
 158   ShouldNotReachHere();
 159   return "";
 160 }
 161 
 162 // NOTE: do *not* use stringStream. this function is called by
 163 //       fatal error handler. if the crash is in native thread,
 164 //       stringStream cannot get resource allocated and will SEGV.
 165 const char* Abstract_VM_Version::vm_release() {
 166   return VM_RELEASE;
 167 }
 168 
 169 // NOTE: do *not* use stringStream. this function is called by
 170 //       fatal error handlers. if the crash is in native thread,
 171 //       stringStream cannot get resource allocated and will SEGV.
 172 const char* Abstract_VM_Version::jre_release_version() {
 173   return VERSION_STRING;
 174 }
 175 
 176 #define OS       LINUX_ONLY("linux")             \
 177                  WINDOWS_ONLY("windows")         \
 178                  AIX_ONLY("aix")                 \
 179                  BSD_ONLY("bsd")
 180 
 181 #ifndef CPU
 182 #ifdef ZERO
 183 #define CPU      ZERO_LIBARCH
 184 #elif defined(PPC64)
 185 #if defined(VM_LITTLE_ENDIAN)
 186 #define CPU      "ppc64le"
 187 #else
 188 #define CPU      "ppc64"
 189 #endif // PPC64
 190 #else
 191 #define CPU      AARCH64_ONLY("aarch64")         \
 192                  AMD64_ONLY("amd64")             \
 193                  IA32_ONLY("x86")                \
 194                  IA64_ONLY("ia64")               \
 195                  S390_ONLY("s390")
 196 #endif // !ZERO
 197 #endif // !CPU
 198 
 199 const char *Abstract_VM_Version::vm_platform_string() {
 200   return OS "-" CPU;
 201 }
 202 
 203 const char* Abstract_VM_Version::internal_vm_info_string() {
 204   #ifndef HOTSPOT_BUILD_USER
 205     #define HOTSPOT_BUILD_USER unknown
 206   #endif
 207 
 208   #ifndef HOTSPOT_BUILD_COMPILER
 209     #ifdef _MSC_VER
 210       #if _MSC_VER == 1600
 211         #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)"
 212       #elif _MSC_VER == 1700
 213         #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)"
 214       #elif _MSC_VER == 1800
 215         #define HOTSPOT_BUILD_COMPILER "MS VC++ 12.0 (VS2013)"
 216       #elif _MSC_VER == 1900
 217         #define HOTSPOT_BUILD_COMPILER "MS VC++ 14.0 (VS2015)"
 218       #elif _MSC_VER == 1911
 219         #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.3 (VS2017)"
 220       #elif _MSC_VER == 1912
 221         #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.5 (VS2017)"
 222       #elif _MSC_VER == 1913
 223         #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.6 (VS2017)"
 224       #elif _MSC_VER == 1914
 225         #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.7 (VS2017)"
 226       #elif _MSC_VER == 1915
 227         #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.8 (VS2017)"
 228       #elif _MSC_VER == 1916
 229         #define HOTSPOT_BUILD_COMPILER "MS VC++ 15.9 (VS2017)"
 230       #elif _MSC_VER == 1920
 231         #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.0 (VS2019)"
 232       #elif _MSC_VER == 1921
 233         #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.1 (VS2019)"
 234       #elif _MSC_VER == 1922
 235         #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.2 (VS2019)"
 236       #elif _MSC_VER == 1923
 237         #define HOTSPOT_BUILD_COMPILER "MS VC++ 16.3 (VS2019)"
 238       #else
 239         #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER)
 240       #endif
 241     #elif defined(__clang_version__)
 242         #define HOTSPOT_BUILD_COMPILER "clang " __VERSION__
 243     #elif defined(__GNUC__)
 244         #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__
 245     #else
 246       #define HOTSPOT_BUILD_COMPILER "unknown compiler"
 247     #endif
 248   #endif
 249 
 250   #ifndef FLOAT_ARCH
 251     #if defined(__SOFTFP__)
 252       #define FLOAT_ARCH_STR "-sflt"
 253     #else
 254       #define FLOAT_ARCH_STR ""
 255     #endif
 256   #else
 257     #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH)
 258   #endif
 259 
 260   #ifndef HOTSPOT_BUILD_TIME
 261     #define HOTSPOT_BUILD_TIME __DATE__ " " __TIME__
 262   #endif
 263 
 264   #define INTERNAL_VERSION_SUFFIX VM_RELEASE ")" \
 265          " for " OS "-" CPU FLOAT_ARCH_STR \
 266          " JRE (" VERSION_STRING "), built on " HOTSPOT_BUILD_TIME \
 267          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER
 268 
 269   return strcmp(DEBUG_LEVEL, "release") == 0
 270       ? VMNAME " (" INTERNAL_VERSION_SUFFIX
 271       : VMNAME " (" DEBUG_LEVEL " " INTERNAL_VERSION_SUFFIX;
 272 }
 273 
 274 const char *Abstract_VM_Version::vm_build_user() {
 275   return HOTSPOT_BUILD_USER;
 276 }
 277 
 278 const char *Abstract_VM_Version::jdk_debug_level() {
 279   return DEBUG_LEVEL;
 280 }
 281 
 282 const char *Abstract_VM_Version::printable_jdk_debug_level() {
 283   // Debug level is not printed for "release" builds
 284   return strcmp(DEBUG_LEVEL, "release") == 0 ? "" : DEBUG_LEVEL " ";
 285 }
 286 
 287 unsigned int Abstract_VM_Version::jvm_version() {
 288   return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |
 289          ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |
 290          ((Abstract_VM_Version::vm_security_version() & 0xFF) << 8) |
 291          (Abstract_VM_Version::vm_build_number() & 0xFF);
 292 }
 293 
 294 bool Abstract_VM_Version::print_matching_lines_from_file(const char* filename, outputStream* st, const char* keywords_to_match[]) {
 295   char line[500];
 296   FILE* fp = fopen(filename, "r");
 297   if (fp == NULL) {
 298     return false;
 299   }
 300 
 301   st->print_cr("Virtualization information:");
 302   while (fgets(line, sizeof(line), fp) != NULL) {
 303     int i = 0;
 304     while (keywords_to_match[i] != NULL) {
 305       if (strncmp(line, keywords_to_match[i], strlen(keywords_to_match[i])) == 0) {
 306         st->print("%s", line);
 307         break;
 308       }
 309       i++;
 310     }
 311   }
 312   fclose(fp);
 313   return true;
 314 }