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hotspot/src/share/vm/runtime/vm_version.cpp

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  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/universe.hpp"
  27 #include "oops/oop.inline.hpp"
  28 #include "runtime/arguments.hpp"
  29 #include "runtime/vm_version.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 bool Abstract_VM_Version::_supports_cx8 = false;
  34 bool Abstract_VM_Version::_supports_atomic_getset4 = false;
  35 bool Abstract_VM_Version::_supports_atomic_getset8 = false;
  36 bool Abstract_VM_Version::_supports_atomic_getadd4 = false;
  37 bool Abstract_VM_Version::_supports_atomic_getadd8 = false;
  38 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;
  39 unsigned int Abstract_VM_Version::_L1_data_cache_line_size = 0;
  40 int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0;
  41 
  42 #ifndef HOTSPOT_RELEASE_VERSION
  43   #error HOTSPOT_RELEASE_VERSION must be defined
  44 #endif
  45 
  46 #ifndef JDK_MAJOR_VERSION
  47   #error JDK_MAJOR_VERSION must be defined
  48 #endif
  49 #ifndef JDK_MINOR_VERSION
  50   #error JDK_MINOR_VERSION must be defined
  51 #endif
  52 #ifndef JDK_MICRO_VERSION
  53   #error JDK_MICRO_VERSION must be defined
  54 #endif
  55 #ifndef JDK_BUILD_NUMBER
  56   #error JDK_BUILD_NUMBER must be defined
  57 #endif
  58 
  59 #ifndef JRE_RELEASE_VERSION
  60   #error JRE_RELEASE_VERSION must be defined
  61 #endif
  62 
  63 // NOTE: Builds within Visual Studio do not define the build target in
  64 //       HOTSPOT_RELEASE_VERSION, so it must be done here
  65 #if defined(VISUAL_STUDIO_BUILD) && !defined(PRODUCT)
  66   #ifndef HOTSPOT_BUILD_TARGET
  67     #error HOTSPOT_BUILD_TARGET must be defined
  68   #endif
  69   #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET
  70 #else
  71   #define VM_RELEASE HOTSPOT_RELEASE_VERSION
  72 #endif
  73 
  74 // HOTSPOT_RELEASE_VERSION follows the JDK release version naming convention
  75 // <major_ver>.<minor_ver>.<micro_ver>[-<identifier>][-<debug_target>][-b<nn>]
  76 int Abstract_VM_Version::_vm_major_version = 0;
  77 int Abstract_VM_Version::_vm_minor_version = 0;
  78 int Abstract_VM_Version::_vm_micro_version = 0;
  79 int Abstract_VM_Version::_vm_build_number = 0;
  80 bool Abstract_VM_Version::_initialized = false;
  81 unsigned int Abstract_VM_Version::_parallel_worker_threads = 0;
  82 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false;
  83 
  84 #ifdef ASSERT
  85 static void assert_digits(const char * s, const char * message) {
  86   for (int i = 0; s[i] != '\0'; i++) {
  87     assert(isdigit(s[i]), message);
  88   }
  89 }
  90 #endif
  91 
  92 static void set_version_field(int * version_field, const char * version_str,
  93                               const char * const assert_msg) {
  94   if (version_str != NULL && *version_str != '\0') {
  95     DEBUG_ONLY(assert_digits(version_str, assert_msg));
  96     *version_field = atoi(version_str);
  97   }
  98 }
  99 
 100 void Abstract_VM_Version::initialize() {

 101   if (_initialized) {
 102     return;
 103   }
 104 
 105   set_version_field(&_vm_major_version, JDK_MAJOR_VERSION, "bad major version");
 106   set_version_field(&_vm_minor_version, JDK_MINOR_VERSION, "bad minor version");
 107   set_version_field(&_vm_micro_version, JDK_MICRO_VERSION, "bad micro version");
 108   int offset = (JDK_BUILD_NUMBER != NULL && JDK_BUILD_NUMBER[0] == 'b') ? 1 : 0;
 109   set_version_field(&_vm_build_number, &JDK_BUILD_NUMBER[offset],
 110                     "bad build number");
 111 
 112   _initialized = true;
 113 }
 114 
 115 #if defined(_LP64)
 116   #define VMLP "64-Bit "
 117 #else
 118   #define VMLP ""
 119 #endif
 120 
 121 #ifndef VMTYPE
 122   #ifdef TIERED
 123     #define VMTYPE "Server"
 124   #else // TIERED
 125   #ifdef ZERO
 126   #ifdef SHARK
 127     #define VMTYPE "Shark"
 128   #else // SHARK
 129     #define VMTYPE "Zero"
 130   #endif // SHARK
 131   #else // ZERO


 161     case Arguments::_mixed:
 162       return UseSharedSpaces ? "mixed mode, sharing"       :  "mixed mode";
 163     case Arguments::_comp:
 164       return UseSharedSpaces ? "compiled mode, sharing"    : "compiled mode";
 165   };
 166   ShouldNotReachHere();
 167   return "";
 168 }
 169 
 170 // NOTE: do *not* use stringStream. this function is called by
 171 //       fatal error handler. if the crash is in native thread,
 172 //       stringStream cannot get resource allocated and will SEGV.
 173 const char* Abstract_VM_Version::vm_release() {
 174   return VM_RELEASE;
 175 }
 176 
 177 // NOTE: do *not* use stringStream. this function is called by
 178 //       fatal error handlers. if the crash is in native thread,
 179 //       stringStream cannot get resource allocated and will SEGV.
 180 const char* Abstract_VM_Version::jre_release_version() {
 181   return JRE_RELEASE_VERSION;
 182 }
 183 
 184 #define OS       LINUX_ONLY("linux")             \
 185                  WINDOWS_ONLY("windows")         \
 186                  SOLARIS_ONLY("solaris")         \
 187                  AIX_ONLY("aix")                 \
 188                  BSD_ONLY("bsd")
 189 
 190 #ifndef CPU
 191 #ifdef ZERO
 192 #define CPU      ZERO_LIBARCH
 193 #else
 194 #define CPU      IA32_ONLY("x86")                \
 195                  IA64_ONLY("ia64")               \
 196                  AMD64_ONLY("amd64")             \
 197                  PPC64_ONLY("ppc64")             \
 198                  AARCH64_ONLY("aarch64")         \
 199                  SPARC_ONLY("sparc")
 200 #endif // ZERO
 201 #endif


 242         #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__
 243     #elif defined(__IBMCPP__)
 244         #define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__)
 245 
 246     #else
 247       #define HOTSPOT_BUILD_COMPILER "unknown compiler"
 248     #endif
 249   #endif
 250 
 251   #ifndef FLOAT_ARCH
 252     #if defined(__SOFTFP__)
 253       #define FLOAT_ARCH_STR "-sflt"
 254     #else
 255       #define FLOAT_ARCH_STR ""
 256     #endif
 257   #else
 258     #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH)
 259   #endif
 260 
 261   return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR
 262          " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__
 263          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER;
 264 }
 265 
 266 const char *Abstract_VM_Version::vm_build_user() {
 267   return HOTSPOT_BUILD_USER;
 268 }
 269 
 270 unsigned int Abstract_VM_Version::jvm_version() {
 271   return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |
 272          ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |
 273          ((Abstract_VM_Version::vm_micro_version() & 0xFF) << 8) |
 274          (Abstract_VM_Version::vm_build_number() & 0xFF);
 275 }
 276 
 277 
 278 void VM_Version_init() {
 279   VM_Version::initialize();
 280 
 281 #ifndef PRODUCT
 282   if (PrintMiscellaneous && Verbose) {
 283     os::print_cpu_info(tty);
 284   }
 285 #endif
 286 }
 287 
 288 unsigned int Abstract_VM_Version::nof_parallel_worker_threads(
 289                                                       unsigned int num,
 290                                                       unsigned int den,
 291                                                       unsigned int switch_pt) {
 292   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
 293     assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0");




  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/universe.hpp"
  27 #include "oops/oop.inline.hpp"
  28 #include "runtime/arguments.hpp"
  29 #include "runtime/vm_version.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 bool Abstract_VM_Version::_supports_cx8 = false;
  34 bool Abstract_VM_Version::_supports_atomic_getset4 = false;
  35 bool Abstract_VM_Version::_supports_atomic_getset8 = false;
  36 bool Abstract_VM_Version::_supports_atomic_getadd4 = false;
  37 bool Abstract_VM_Version::_supports_atomic_getadd8 = false;
  38 unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;
  39 unsigned int Abstract_VM_Version::_L1_data_cache_line_size = 0;
  40 int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0;
  41 
  42 #ifndef HOTSPOT_VERSION_STRING
  43   #error HOTSPOT_VERSION_STRING must be defined
  44 #endif
  45 
  46 #ifndef VERSION_MAJOR
  47   #error VERSION_MAJOR must be defined
  48 #endif
  49 #ifndef VERSION_MINOR
  50   #error VERSION_MINOR must be defined
  51 #endif
  52 #ifndef VERSION_SECURITY
  53   #error VERSION_SECURITY must be defined
  54 #endif
  55 #ifndef VERSION_BUILD
  56   #error VERSION_BUILD must be defined
  57 #endif
  58 
  59 #ifndef VERSION_STRING
  60   #error VERSION_STRING must be defined
  61 #endif
  62 
  63 // NOTE: Builds within Visual Studio do not define the build target in
  64 //       HOTSPOT_VERSION_STRING, so it must be done here
  65 #if defined(VISUAL_STUDIO_BUILD) && !defined(PRODUCT)
  66   #ifndef HOTSPOT_BUILD_TARGET
  67     #error HOTSPOT_BUILD_TARGET must be defined
  68   #endif
  69   #define VM_RELEASE HOTSPOT_VERSION_STRING "-" HOTSPOT_BUILD_TARGET
  70 #else
  71   #define VM_RELEASE HOTSPOT_VERSION_STRING
  72 #endif
  73 
  74 // HOTSPOT_VERSION_STRING equals the JDK VERSION_STRING (unless overridden
  75 // in a standalone build).
  76 int Abstract_VM_Version::_vm_major_version = VERSION_MAJOR;
  77 int Abstract_VM_Version::_vm_minor_version = VERSION_MINOR;
  78 int Abstract_VM_Version::_vm_security_version = VERSION_SECURITY;
  79 int Abstract_VM_Version::_vm_build_number = VERSION_BUILD;
  80 bool Abstract_VM_Version::_initialized = false;
  81 unsigned int Abstract_VM_Version::_parallel_worker_threads = 0;
  82 bool Abstract_VM_Version::_parallel_worker_threads_initialized = false;
  83 
















  84 void Abstract_VM_Version::initialize() {
  85   // FIXME: Initialization can probably be removed now.
  86   if (_initialized) {
  87     return;
  88   }
  89 







  90   _initialized = true;
  91 }
  92 
  93 #if defined(_LP64)
  94   #define VMLP "64-Bit "
  95 #else
  96   #define VMLP ""
  97 #endif
  98 
  99 #ifndef VMTYPE
 100   #ifdef TIERED
 101     #define VMTYPE "Server"
 102   #else // TIERED
 103   #ifdef ZERO
 104   #ifdef SHARK
 105     #define VMTYPE "Shark"
 106   #else // SHARK
 107     #define VMTYPE "Zero"
 108   #endif // SHARK
 109   #else // ZERO


 139     case Arguments::_mixed:
 140       return UseSharedSpaces ? "mixed mode, sharing"       :  "mixed mode";
 141     case Arguments::_comp:
 142       return UseSharedSpaces ? "compiled mode, sharing"    : "compiled mode";
 143   };
 144   ShouldNotReachHere();
 145   return "";
 146 }
 147 
 148 // NOTE: do *not* use stringStream. this function is called by
 149 //       fatal error handler. if the crash is in native thread,
 150 //       stringStream cannot get resource allocated and will SEGV.
 151 const char* Abstract_VM_Version::vm_release() {
 152   return VM_RELEASE;
 153 }
 154 
 155 // NOTE: do *not* use stringStream. this function is called by
 156 //       fatal error handlers. if the crash is in native thread,
 157 //       stringStream cannot get resource allocated and will SEGV.
 158 const char* Abstract_VM_Version::jre_release_version() {
 159   return VERSION_STRING;
 160 }
 161 
 162 #define OS       LINUX_ONLY("linux")             \
 163                  WINDOWS_ONLY("windows")         \
 164                  SOLARIS_ONLY("solaris")         \
 165                  AIX_ONLY("aix")                 \
 166                  BSD_ONLY("bsd")
 167 
 168 #ifndef CPU
 169 #ifdef ZERO
 170 #define CPU      ZERO_LIBARCH
 171 #else
 172 #define CPU      IA32_ONLY("x86")                \
 173                  IA64_ONLY("ia64")               \
 174                  AMD64_ONLY("amd64")             \
 175                  PPC64_ONLY("ppc64")             \
 176                  AARCH64_ONLY("aarch64")         \
 177                  SPARC_ONLY("sparc")
 178 #endif // ZERO
 179 #endif


 220         #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__
 221     #elif defined(__IBMCPP__)
 222         #define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__)
 223 
 224     #else
 225       #define HOTSPOT_BUILD_COMPILER "unknown compiler"
 226     #endif
 227   #endif
 228 
 229   #ifndef FLOAT_ARCH
 230     #if defined(__SOFTFP__)
 231       #define FLOAT_ARCH_STR "-sflt"
 232     #else
 233       #define FLOAT_ARCH_STR ""
 234     #endif
 235   #else
 236     #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH)
 237   #endif
 238 
 239   return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR
 240          " JRE (" VERSION_STRING "), built on " __DATE__ " " __TIME__
 241          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER;
 242 }
 243 
 244 const char *Abstract_VM_Version::vm_build_user() {
 245   return HOTSPOT_BUILD_USER;
 246 }
 247 
 248 unsigned int Abstract_VM_Version::jvm_version() {
 249   return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |
 250          ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |
 251          ((Abstract_VM_Version::vm_security_version() & 0xFF) << 8) |
 252          (Abstract_VM_Version::vm_build_number() & 0xFF);
 253 }
 254 
 255 
 256 void VM_Version_init() {
 257   VM_Version::initialize();
 258 
 259 #ifndef PRODUCT
 260   if (PrintMiscellaneous && Verbose) {
 261     os::print_cpu_info(tty);
 262   }
 263 #endif
 264 }
 265 
 266 unsigned int Abstract_VM_Version::nof_parallel_worker_threads(
 267                                                       unsigned int num,
 268                                                       unsigned int den,
 269                                                       unsigned int switch_pt) {
 270   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
 271     assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0");


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