Mercurial > hg > truffle
view src/share/vm/runtime/vm_version.cpp @ 1949:058f494c8b6d
Merge
author | trims |
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date | Fri, 10 Dec 2010 15:46:59 -0800 |
parents | 728a287f6c20 |
children | f95d63e2154a |
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/* * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ # include "incls/_precompiled.incl" # include "incls/_vm_version.cpp.incl" const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release(); const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string(); bool Abstract_VM_Version::_supports_cx8 = false; unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U; #ifndef HOTSPOT_RELEASE_VERSION #error HOTSPOT_RELEASE_VERSION must be defined #endif #ifndef JRE_RELEASE_VERSION #error JRE_RELEASE_VERSION must be defined #endif #ifndef HOTSPOT_BUILD_TARGET #error HOTSPOT_BUILD_TARGET must be defined #endif #ifdef PRODUCT #define VM_RELEASE HOTSPOT_RELEASE_VERSION #else #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET #endif // HOTSPOT_RELEASE_VERSION must follow the release version naming convention // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>] int Abstract_VM_Version::_vm_major_version = 0; int Abstract_VM_Version::_vm_minor_version = 0; int Abstract_VM_Version::_vm_build_number = 0; bool Abstract_VM_Version::_initialized = false; int Abstract_VM_Version::_parallel_worker_threads = 0; bool Abstract_VM_Version::_parallel_worker_threads_initialized = false; void Abstract_VM_Version::initialize() { if (_initialized) { return; } char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION); // Expecting the next vm_version format: // <major_ver>.<minor_ver>-b<nn>[-<identifier>] char* vm_major_ver = vm_version; assert(isdigit(vm_major_ver[0]),"wrong vm major version number"); char* vm_minor_ver = strchr(vm_major_ver, '.'); assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number"); vm_minor_ver[0] = '\0'; // terminate vm_major_ver vm_minor_ver += 1; char* vm_build_num = strchr(vm_minor_ver, '-'); assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number"); vm_build_num[0] = '\0'; // terminate vm_minor_ver vm_build_num += 2; _vm_major_version = atoi(vm_major_ver); _vm_minor_version = atoi(vm_minor_ver); _vm_build_number = atoi(vm_build_num); os::free(vm_version); _initialized = true; } #if defined(_LP64) #define VMLP "64-Bit " #else #define VMLP "" #endif #ifdef KERNEL #define VMTYPE "Kernel" #else // KERNEL #ifdef TIERED #define VMTYPE "Server" #else // TIERED #ifdef ZERO #ifdef SHARK #define VMTYPE "Shark" #else // SHARK #define VMTYPE "Zero" #endif // SHARK #else // ZERO #define VMTYPE COMPILER1_PRESENT("Client") \ COMPILER2_PRESENT("Server") #endif // ZERO #endif // TIERED #endif // KERNEL #ifndef HOTSPOT_VM_DISTRO #error HOTSPOT_VM_DISTRO must be defined #endif #define VMNAME HOTSPOT_VM_DISTRO " " VMLP VMTYPE " VM" const char* Abstract_VM_Version::vm_name() { return VMNAME; } const char* Abstract_VM_Version::vm_vendor() { #ifdef VENDOR return XSTR(VENDOR); #else return JDK_Version::is_gte_jdk17x_version() ? "Oracle Corporation" : "Sun Microsystems Inc."; #endif } const char* Abstract_VM_Version::vm_info_string() { switch (Arguments::mode()) { case Arguments::_int: return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; case Arguments::_mixed: return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; case Arguments::_comp: return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; }; ShouldNotReachHere(); return ""; } // NOTE: do *not* use stringStream. this function is called by // fatal error handler. if the crash is in native thread, // stringStream cannot get resource allocated and will SEGV. const char* Abstract_VM_Version::vm_release() { return VM_RELEASE; } #define OS LINUX_ONLY("linux") \ WINDOWS_ONLY("windows") \ SOLARIS_ONLY("solaris") #ifdef ZERO #define CPU ZERO_LIBARCH #else #define CPU IA32_ONLY("x86") \ IA64_ONLY("ia64") \ AMD64_ONLY("amd64") \ ARM_ONLY("arm") \ PPC_ONLY("ppc") \ SPARC_ONLY("sparc") #endif // ZERO const char *Abstract_VM_Version::vm_platform_string() { return OS "-" CPU; } const char* Abstract_VM_Version::internal_vm_info_string() { #ifndef HOTSPOT_BUILD_USER #define HOTSPOT_BUILD_USER unknown #endif #ifndef HOTSPOT_BUILD_COMPILER #ifdef _MSC_VER #if _MSC_VER == 1100 #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0" #elif _MSC_VER == 1200 #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0" #elif _MSC_VER == 1310 #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)" #elif _MSC_VER == 1400 #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)" #elif _MSC_VER == 1500 #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)" #else #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) #endif #elif defined(__SUNPRO_CC) #if __SUNPRO_CC == 0x420 #define HOTSPOT_BUILD_COMPILER "Workshop 4.2" #elif __SUNPRO_CC == 0x500 #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) #elif __SUNPRO_CC == 0x520 #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) #elif __SUNPRO_CC == 0x580 #define HOTSPOT_BUILD_COMPILER "Workshop 5.8" #elif __SUNPRO_CC == 0x590 #define HOTSPOT_BUILD_COMPILER "Workshop 5.9" #elif __SUNPRO_CC == 0x5100 #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" #else #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) #endif #elif defined(__GNUC__) #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ #else #define HOTSPOT_BUILD_COMPILER "unknown compiler" #endif #endif return VMNAME " (" VM_RELEASE ") for " OS "-" CPU " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__ " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER; } unsigned int Abstract_VM_Version::jvm_version() { return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | (Abstract_VM_Version::vm_build_number() & 0xFF); } void VM_Version_init() { VM_Version::initialize(); #ifndef PRODUCT if (PrintMiscellaneous && Verbose) { os::print_cpu_info(tty); } #endif } unsigned int Abstract_VM_Version::nof_parallel_worker_threads( unsigned int num, unsigned int den, unsigned int switch_pt) { if (FLAG_IS_DEFAULT(ParallelGCThreads)) { assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); // For very large machines, there are diminishing returns // for large numbers of worker threads. Instead of // hogging the whole system, use a fraction of the workers for every // processor after the first 8. For example, on a 72 cpu machine // and a chosen fraction of 5/8 // use 8 + (72 - 8) * (5/8) == 48 worker threads. unsigned int ncpus = (unsigned int) os::active_processor_count(); return (ncpus <= switch_pt) ? ncpus : (switch_pt + ((ncpus - switch_pt) * num) / den); } else { return ParallelGCThreads; } } unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { return nof_parallel_worker_threads(5, 8, 8); } // Does not set the _initialized flag since it is // a global flag. unsigned int Abstract_VM_Version::parallel_worker_threads() { if (!_parallel_worker_threads_initialized) { if (FLAG_IS_DEFAULT(ParallelGCThreads)) { _parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); } else { _parallel_worker_threads = ParallelGCThreads; } _parallel_worker_threads_initialized = true; } return _parallel_worker_threads; }