duke@435: /*
zgu@4492:  * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "memory/universe.hpp"
stefank@2314: #include "oops/oop.inline.hpp"
stefank@2314: #include "runtime/arguments.hpp"
stefank@2314: #ifdef TARGET_ARCH_x86
stefank@2314: # include "vm_version_x86.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_ARCH_sparc
stefank@2314: # include "vm_version_sparc.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_ARCH_zero
stefank@2314: # include "vm_version_zero.hpp"
stefank@2314: #endif
bobv@2508: #ifdef TARGET_ARCH_arm
bobv@2508: # include "vm_version_arm.hpp"
bobv@2508: #endif
bobv@2508: #ifdef TARGET_ARCH_ppc
bobv@2508: # include "vm_version_ppc.hpp"
bobv@2508: #endif
duke@435: 
duke@435: const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release();
duke@435: const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string();
duke@435: bool Abstract_VM_Version::_supports_cx8 = false;
roland@4106: bool Abstract_VM_Version::_supports_atomic_getset4 = false;
roland@4106: bool Abstract_VM_Version::_supports_atomic_getset8 = false;
roland@4106: bool Abstract_VM_Version::_supports_atomic_getadd4 = false;
roland@4106: bool Abstract_VM_Version::_supports_atomic_getadd8 = false;
duke@435: unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;
kvn@3052: int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0;
duke@435: 
duke@435: #ifndef HOTSPOT_RELEASE_VERSION
duke@435:   #error HOTSPOT_RELEASE_VERSION must be defined
duke@435: #endif
duke@435: #ifndef JRE_RELEASE_VERSION
duke@435:   #error JRE_RELEASE_VERSION must be defined
duke@435: #endif
duke@435: #ifndef HOTSPOT_BUILD_TARGET
duke@435:   #error HOTSPOT_BUILD_TARGET must be defined
duke@435: #endif
duke@435: 
duke@435: #ifdef PRODUCT
duke@435:   #define VM_RELEASE HOTSPOT_RELEASE_VERSION
duke@435: #else
duke@435:   #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET
duke@435: #endif
duke@435: 
duke@435: // HOTSPOT_RELEASE_VERSION must follow the release version naming convention
duke@435: // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>]
duke@435: int Abstract_VM_Version::_vm_major_version = 0;
duke@435: int Abstract_VM_Version::_vm_minor_version = 0;
duke@435: int Abstract_VM_Version::_vm_build_number = 0;
duke@435: bool Abstract_VM_Version::_initialized = false;
jmasa@445: int Abstract_VM_Version::_parallel_worker_threads = 0;
jmasa@445: bool Abstract_VM_Version::_parallel_worker_threads_initialized = false;
duke@435: 
duke@435: void Abstract_VM_Version::initialize() {
duke@435:   if (_initialized) {
duke@435:     return;
duke@435:   }
duke@435:   char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION);
duke@435: 
duke@435:   // Expecting the next vm_version format:
duke@435:   // <major_ver>.<minor_ver>-b<nn>[-<identifier>]
duke@435:   char* vm_major_ver = vm_version;
duke@435:   assert(isdigit(vm_major_ver[0]),"wrong vm major version number");
duke@435:   char* vm_minor_ver = strchr(vm_major_ver, '.');
duke@435:   assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number");
duke@435:   vm_minor_ver[0] = '\0'; // terminate vm_major_ver
duke@435:   vm_minor_ver += 1;
duke@435:   char* vm_build_num = strchr(vm_minor_ver, '-');
duke@435:   assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number");
duke@435:   vm_build_num[0] = '\0'; // terminate vm_minor_ver
duke@435:   vm_build_num += 2;
duke@435: 
duke@435:   _vm_major_version = atoi(vm_major_ver);
duke@435:   _vm_minor_version = atoi(vm_minor_ver);
duke@435:   _vm_build_number  = atoi(vm_build_num);
duke@435: 
duke@435:   os::free(vm_version);
duke@435:   _initialized = true;
duke@435: }
duke@435: 
duke@435: #if defined(_LP64)
duke@435:   #define VMLP "64-Bit "
duke@435: #else
duke@435:   #define VMLP ""
duke@435: #endif
duke@435: 
jprovino@4165: #ifndef VMTYPE
jprovino@4165:   #ifdef TIERED
jprovino@4165:     #define VMTYPE "Server"
jprovino@4165:   #else // TIERED
jprovino@4165:   #ifdef ZERO
jprovino@4165:   #ifdef SHARK
jprovino@4165:     #define VMTYPE "Shark"
jprovino@4165:   #else // SHARK
jprovino@4165:     #define VMTYPE "Zero"
jprovino@4165:   #endif // SHARK
jprovino@4165:   #else // ZERO
jprovino@4165:      #define VMTYPE COMPILER1_PRESENT("Client")   \
jprovino@4165:                     COMPILER2_PRESENT("Server")
jprovino@4165:   #endif // ZERO
jprovino@4165:   #endif // TIERED
jprovino@4165: #endif
duke@435: 
duke@435: #ifndef HOTSPOT_VM_DISTRO
duke@435:   #error HOTSPOT_VM_DISTRO must be defined
duke@435: #endif
dholmes@3201: #define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM"
duke@435: 
duke@435: const char* Abstract_VM_Version::vm_name() {
duke@435:   return VMNAME;
duke@435: }
duke@435: 
duke@435: 
duke@435: const char* Abstract_VM_Version::vm_vendor() {
duke@435: #ifdef VENDOR
duke@435:   return XSTR(VENDOR);
duke@435: #else
zgu@2155:   return JDK_Version::is_gte_jdk17x_version() ?
zgu@2155:     "Oracle Corporation" : "Sun Microsystems Inc.";
duke@435: #endif
duke@435: }
duke@435: 
duke@435: 
duke@435: const char* Abstract_VM_Version::vm_info_string() {
duke@435:   switch (Arguments::mode()) {
duke@435:     case Arguments::_int:
duke@435:       return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode";
duke@435:     case Arguments::_mixed:
duke@435:       return UseSharedSpaces ? "mixed mode, sharing"       :  "mixed mode";
duke@435:     case Arguments::_comp:
duke@435:       return UseSharedSpaces ? "compiled mode, sharing"    : "compiled mode";
duke@435:   };
duke@435:   ShouldNotReachHere();
duke@435:   return "";
duke@435: }
duke@435: 
duke@435: // NOTE: do *not* use stringStream. this function is called by
duke@435: //       fatal error handler. if the crash is in native thread,
duke@435: //       stringStream cannot get resource allocated and will SEGV.
duke@435: const char* Abstract_VM_Version::vm_release() {
duke@435:   return VM_RELEASE;
duke@435: }
duke@435: 
ohrstrom@3517: // NOTE: do *not* use stringStream. this function is called by
ohrstrom@3517: //       fatal error handlers. if the crash is in native thread,
ohrstrom@3517: //       stringStream cannot get resource allocated and will SEGV.
ohrstrom@3517: const char* Abstract_VM_Version::jre_release_version() {
ohrstrom@3517:   return JRE_RELEASE_VERSION;
ohrstrom@3517: }
ohrstrom@3517: 
duke@435: #define OS       LINUX_ONLY("linux")             \
duke@435:                  WINDOWS_ONLY("windows")         \
never@3156:                  SOLARIS_ONLY("solaris")         \
never@3156:                  BSD_ONLY("bsd")
duke@435: 
never@1445: #ifdef ZERO
never@1445: #define CPU      ZERO_LIBARCH
never@1445: #else
duke@435: #define CPU      IA32_ONLY("x86")                \
duke@435:                  IA64_ONLY("ia64")               \
duke@435:                  AMD64_ONLY("amd64")             \
bobv@2036:                  ARM_ONLY("arm")                 \
bobv@2036:                  PPC_ONLY("ppc")                 \
duke@435:                  SPARC_ONLY("sparc")
never@1445: #endif // ZERO
duke@435: 
duke@435: const char *Abstract_VM_Version::vm_platform_string() {
duke@435:   return OS "-" CPU;
duke@435: }
duke@435: 
duke@435: const char* Abstract_VM_Version::internal_vm_info_string() {
duke@435:   #ifndef HOTSPOT_BUILD_USER
duke@435:     #define HOTSPOT_BUILD_USER unknown
duke@435:   #endif
duke@435: 
duke@435:   #ifndef HOTSPOT_BUILD_COMPILER
duke@435:     #ifdef _MSC_VER
duke@435:       #if   _MSC_VER == 1100
duke@435:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0"
duke@435:       #elif _MSC_VER == 1200
duke@435:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0"
duke@435:       #elif _MSC_VER == 1310
kvn@1080:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)"
duke@435:       #elif _MSC_VER == 1400
kvn@1080:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)"
kvn@1080:       #elif _MSC_VER == 1500
kvn@1080:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)"
kmo@4757:       #elif _MSC_VER == 1600
kmo@4757:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)"
kmo@4757:       #elif _MSC_VER == 1700
kmo@4757:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)"
duke@435:       #else
duke@435:         #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER)
duke@435:       #endif
duke@435:     #elif defined(__SUNPRO_CC)
duke@435:       #if   __SUNPRO_CC == 0x420
duke@435:         #define HOTSPOT_BUILD_COMPILER "Workshop 4.2"
duke@435:       #elif __SUNPRO_CC == 0x500
duke@435:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT)
duke@435:       #elif __SUNPRO_CC == 0x520
duke@435:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT)
duke@435:       #elif __SUNPRO_CC == 0x580
duke@435:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.8"
duke@435:       #elif __SUNPRO_CC == 0x590
duke@435:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.9"
jcoomes@1902:       #elif __SUNPRO_CC == 0x5100
jcoomes@1902:         #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1"
dcubed@5537:       #elif __SUNPRO_CC == 0x5120
dcubed@5537:         #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3"
duke@435:       #else
duke@435:         #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC)
duke@435:       #endif
duke@435:     #elif defined(__GNUC__)
duke@435:         #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__
duke@435:     #else
duke@435:       #define HOTSPOT_BUILD_COMPILER "unknown compiler"
duke@435:     #endif
duke@435:   #endif
duke@435: 
bobv@2508:   #ifndef FLOAT_ARCH
bobv@2508:     #if defined(__SOFTFP__)
dholmes@4288:       #define FLOAT_ARCH_STR "-sflt"
bobv@2508:     #elif defined(E500V2)
dholmes@4288:       #define FLOAT_ARCH_STR "-e500v2"
bobv@2508:     #elif defined(ARM)
dholmes@4288:       #define FLOAT_ARCH_STR "-vfp"
bobv@2508:     #elif defined(PPC)
dholmes@4288:       #define FLOAT_ARCH_STR "-hflt"
bobv@2508:     #else
dholmes@4288:       #define FLOAT_ARCH_STR ""
bobv@2508:     #endif
dholmes@4288:   #else
dholmes@4288:     #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH)
bobv@2508:   #endif
duke@435: 
dholmes@4288:   return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR
duke@435:          " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__
duke@435:          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER;
duke@435: }
duke@435: 
kamg@2515: const char *Abstract_VM_Version::vm_build_user() {
kamg@2515:   return HOTSPOT_BUILD_USER;
kamg@2515: }
kamg@2515: 
duke@435: unsigned int Abstract_VM_Version::jvm_version() {
duke@435:   return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |
duke@435:          ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |
duke@435:          (Abstract_VM_Version::vm_build_number() & 0xFF);
duke@435: }
duke@435: 
duke@435: 
duke@435: void VM_Version_init() {
duke@435:   VM_Version::initialize();
duke@435: 
duke@435: #ifndef PRODUCT
duke@435:   if (PrintMiscellaneous && Verbose) {
duke@435:     os::print_cpu_info(tty);
duke@435:   }
duke@435: #endif
duke@435: }
jmasa@445: 
jmasa@445: unsigned int Abstract_VM_Version::nof_parallel_worker_threads(
jmasa@445:                                                       unsigned int num,
jmasa@445:                                                       unsigned int den,
jmasa@445:                                                       unsigned int switch_pt) {
jmasa@445:   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
jmasa@445:     assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0");
jmasa@445:     // For very large machines, there are diminishing returns
jmasa@445:     // for large numbers of worker threads.  Instead of
jmasa@445:     // hogging the whole system, use a fraction of the workers for every
jmasa@445:     // processor after the first 8.  For example, on a 72 cpu machine
jmasa@445:     // and a chosen fraction of 5/8
jmasa@445:     // use 8 + (72 - 8) * (5/8) == 48 worker threads.
jmasa@445:     unsigned int ncpus = (unsigned int) os::active_processor_count();
jmasa@445:     return (ncpus <= switch_pt) ?
jmasa@445:            ncpus :
jmasa@445:           (switch_pt + ((ncpus - switch_pt) * num) / den);
jmasa@445:   } else {
jmasa@445:     return ParallelGCThreads;
jmasa@445:   }
jmasa@445: }
jmasa@445: 
jmasa@445: unsigned int Abstract_VM_Version::calc_parallel_worker_threads() {
jmasa@445:   return nof_parallel_worker_threads(5, 8, 8);
jmasa@445: }
jmasa@445: 
jmasa@445: 
jmasa@445: // Does not set the _initialized flag since it is
jmasa@445: // a global flag.
jmasa@445: unsigned int Abstract_VM_Version::parallel_worker_threads() {
jmasa@445:   if (!_parallel_worker_threads_initialized) {
jmasa@445:     if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
jmasa@445:       _parallel_worker_threads = VM_Version::calc_parallel_worker_threads();
jmasa@445:     } else {
jmasa@445:       _parallel_worker_threads = ParallelGCThreads;
jmasa@445:     }
jmasa@445:     _parallel_worker_threads_initialized = true;
jmasa@445:   }
jmasa@445:   return _parallel_worker_threads;
jmasa@445: }