author | dcubed |
Wed, 20 Jan 2016 14:11:25 -0800 | |
changeset 35534 | 411cbe6b6bd5 |
parent 35495 | e27da438fa13 |
parent 35453 | d164ee5260a6 |
child 37430 | fd743dadef12 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "code/codeCacheExtensions.hpp" |
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#include "memory/universe.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/vm_version.hpp" |
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const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release(); |
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const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string(); |
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uint64_t Abstract_VM_Version::_features = 0; |
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const char* Abstract_VM_Version::_features_string = ""; |
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bool Abstract_VM_Version::_supports_cx8 = false; |
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bool Abstract_VM_Version::_supports_atomic_getset4 = false; |
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bool Abstract_VM_Version::_supports_atomic_getset8 = false; |
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bool Abstract_VM_Version::_supports_atomic_getadd4 = false; |
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bool Abstract_VM_Version::_supports_atomic_getadd8 = false; |
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unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U; |
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unsigned int Abstract_VM_Version::_L1_data_cache_line_size = 0; |
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int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0; |
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#ifndef HOTSPOT_VERSION_STRING |
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#error HOTSPOT_VERSION_STRING must be defined |
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#endif |
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#ifndef VERSION_MAJOR |
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#error VERSION_MAJOR must be defined |
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#endif |
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#ifndef VERSION_MINOR |
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#error VERSION_MINOR must be defined |
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#endif |
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#ifndef VERSION_SECURITY |
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#error VERSION_SECURITY must be defined |
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#endif |
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#ifndef VERSION_PATCH |
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#error VERSION_PATCH must be defined |
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#endif |
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#ifndef VERSION_BUILD |
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#error VERSION_BUILD must be defined |
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#endif |
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#ifndef VERSION_STRING |
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#error VERSION_STRING must be defined |
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#endif |
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#ifndef DEBUG_LEVEL |
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#error DEBUG_LEVEL must be defined |
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#endif |
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#define VM_RELEASE HOTSPOT_VERSION_STRING |
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// HOTSPOT_VERSION_STRING equals the JDK VERSION_STRING (unless overridden |
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// in a standalone build). |
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int Abstract_VM_Version::_vm_major_version = VERSION_MAJOR; |
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int Abstract_VM_Version::_vm_minor_version = VERSION_MINOR; |
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int Abstract_VM_Version::_vm_security_version = VERSION_SECURITY; |
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int Abstract_VM_Version::_vm_patch_version = VERSION_PATCH; |
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int Abstract_VM_Version::_vm_build_number = VERSION_BUILD; |
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unsigned int Abstract_VM_Version::_parallel_worker_threads = 0; |
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bool Abstract_VM_Version::_parallel_worker_threads_initialized = false; |
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#if defined(_LP64) |
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#define VMLP "64-Bit " |
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#else |
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#define VMLP "" |
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#endif |
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#ifndef VMTYPE |
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#ifdef TIERED |
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#define VMTYPE "Server" |
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#else // TIERED |
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#ifdef ZERO |
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#ifdef SHARK |
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#define VMTYPE "Shark" |
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#else // SHARK |
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#define VMTYPE "Zero" |
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#endif // SHARK |
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#else // ZERO |
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#define VMTYPE COMPILER1_PRESENT("Client") \ |
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COMPILER2_PRESENT("Server") |
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#endif // ZERO |
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#endif // TIERED |
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#endif |
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#ifndef HOTSPOT_VM_DISTRO |
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#error HOTSPOT_VM_DISTRO must be defined |
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#endif |
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#define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM" |
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const char* Abstract_VM_Version::vm_name() { |
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return VMNAME; |
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} |
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const char* Abstract_VM_Version::vm_vendor() { |
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#ifdef VENDOR |
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return XSTR(VENDOR); |
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#else |
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return "Oracle Corporation"; |
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#endif |
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} |
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const char* Abstract_VM_Version::vm_info_string() { |
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if (CodeCacheExtensions::use_pregenerated_interpreter()) { |
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return "interpreted mode, pregenerated"; |
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} |
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switch (Arguments::mode()) { |
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case Arguments::_int: |
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return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode"; |
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case Arguments::_mixed: |
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return UseSharedSpaces ? "mixed mode, sharing" : "mixed mode"; |
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case Arguments::_comp: |
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return UseSharedSpaces ? "compiled mode, sharing" : "compiled mode"; |
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}; |
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ShouldNotReachHere(); |
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return ""; |
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} |
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// NOTE: do *not* use stringStream. this function is called by |
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// fatal error handler. if the crash is in native thread, |
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// stringStream cannot get resource allocated and will SEGV. |
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const char* Abstract_VM_Version::vm_release() { |
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return VM_RELEASE; |
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} |
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// NOTE: do *not* use stringStream. this function is called by |
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// fatal error handlers. if the crash is in native thread, |
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// stringStream cannot get resource allocated and will SEGV. |
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const char* Abstract_VM_Version::jre_release_version() { |
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return VERSION_STRING; |
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} |
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#define OS LINUX_ONLY("linux") \ |
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WINDOWS_ONLY("windows") \ |
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SOLARIS_ONLY("solaris") \ |
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AIX_ONLY("aix") \ |
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BSD_ONLY("bsd") |
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#ifndef CPU |
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#ifdef ZERO |
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#define CPU ZERO_LIBARCH |
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#elif defined(PPC64) |
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#if defined(VM_LITTLE_ENDIAN) |
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#define CPU "ppc64le" |
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#else |
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#define CPU "ppc64" |
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#endif |
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#else |
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#define CPU IA32_ONLY("x86") \ |
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IA64_ONLY("ia64") \ |
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AMD64_ONLY("amd64") \ |
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AARCH64_ONLY("aarch64") \ |
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SPARC_ONLY("sparc") |
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#endif // |
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#endif |
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const char *Abstract_VM_Version::vm_platform_string() { |
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return OS "-" CPU; |
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} |
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const char* Abstract_VM_Version::internal_vm_info_string() { |
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#ifndef HOTSPOT_BUILD_USER |
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#define HOTSPOT_BUILD_USER unknown |
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#endif |
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#ifndef HOTSPOT_BUILD_COMPILER |
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#ifdef _MSC_VER |
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#if _MSC_VER == 1600 |
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#define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)" |
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#elif _MSC_VER == 1700 |
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#define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)" |
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#elif _MSC_VER == 1800 |
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#define HOTSPOT_BUILD_COMPILER "MS VC++ 12.0 (VS2013)" |
1 | 200 |
#else |
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#define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER) |
|
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#endif |
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#elif defined(__SUNPRO_CC) |
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#if __SUNPRO_CC == 0x420 |
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#define HOTSPOT_BUILD_COMPILER "Workshop 4.2" |
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#elif __SUNPRO_CC == 0x500 |
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207 |
#define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT) |
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208 |
#elif __SUNPRO_CC == 0x520 |
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209 |
#define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT) |
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210 |
#elif __SUNPRO_CC == 0x580 |
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211 |
#define HOTSPOT_BUILD_COMPILER "Workshop 5.8" |
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212 |
#elif __SUNPRO_CC == 0x590 |
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#define HOTSPOT_BUILD_COMPILER "Workshop 5.9" |
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#elif __SUNPRO_CC == 0x5100 |
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#define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1" |
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#elif __SUNPRO_CC == 0x5120 |
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#define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3" |
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#elif __SUNPRO_CC == 0x5130 |
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#define HOTSPOT_BUILD_COMPILER "Sun Studio 12u4" |
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#else |
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#define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC) |
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#endif |
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#elif defined(__GNUC__) |
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#define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__ |
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#elif defined(__IBMCPP__) |
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#define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__) |
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#else |
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#define HOTSPOT_BUILD_COMPILER "unknown compiler" |
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#endif |
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#endif |
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#ifndef FLOAT_ARCH |
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#if defined(__SOFTFP__) |
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#define FLOAT_ARCH_STR "-sflt" |
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#else |
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#define FLOAT_ARCH_STR "" |
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#endif |
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#else |
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#define FLOAT_ARCH_STR XSTR(FLOAT_ARCH) |
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#endif |
1 | 242 |
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#define INTERNAL_VERSION_SUFFIX VM_RELEASE ")" \ |
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" for " OS "-" CPU FLOAT_ARCH_STR \ |
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" JRE (" VERSION_STRING "), built on " __DATE__ " " __TIME__ \ |
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" by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER |
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|
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return strcmp(DEBUG_LEVEL, "release") == 0 |
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? VMNAME " (" INTERNAL_VERSION_SUFFIX |
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: VMNAME " (" DEBUG_LEVEL " " INTERNAL_VERSION_SUFFIX; |
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} |
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const char *Abstract_VM_Version::vm_build_user() { |
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return HOTSPOT_BUILD_USER; |
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} |
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const char *Abstract_VM_Version::jdk_debug_level() { |
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return DEBUG_LEVEL; |
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} |
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const char *Abstract_VM_Version::printable_jdk_debug_level() { |
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// Debug level is not printed for "release" builds |
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return strcmp(DEBUG_LEVEL, "release") == 0 ? "" : DEBUG_LEVEL " "; |
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} |
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unsigned int Abstract_VM_Version::jvm_version() { |
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return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) | |
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((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) | |
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((Abstract_VM_Version::vm_security_version() & 0xFF) << 8) | |
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(Abstract_VM_Version::vm_build_number() & 0xFF); |
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} |
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void VM_Version_init() { |
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VM_Version::initialize(); |
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#ifndef PRODUCT |
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if (PrintMiscellaneous && Verbose) { |
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char buf[512]; |
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os::print_cpu_info(tty, buf, sizeof(buf)); |
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} |
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#endif |
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} |
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unsigned int Abstract_VM_Version::nof_parallel_worker_threads( |
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unsigned int num, |
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unsigned int den, |
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unsigned int switch_pt) { |
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if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0"); |
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// For very large machines, there are diminishing returns |
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// for large numbers of worker threads. Instead of |
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// hogging the whole system, use a fraction of the workers for every |
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// processor after the first 8. For example, on a 72 cpu machine |
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// and a chosen fraction of 5/8 |
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// use 8 + (72 - 8) * (5/8) == 48 worker threads. |
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unsigned int ncpus = (unsigned int) os::active_processor_count(); |
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return (ncpus <= switch_pt) ? |
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ncpus : |
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(switch_pt + ((ncpus - switch_pt) * num) / den); |
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} else { |
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return ParallelGCThreads; |
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} |
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} |
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|
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unsigned int Abstract_VM_Version::calc_parallel_worker_threads() { |
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return nof_parallel_worker_threads(5, 8, 8); |
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} |
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309 |
|
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|
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// Does not set the _initialized flag since it is |
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// a global flag. |
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unsigned int Abstract_VM_Version::parallel_worker_threads() { |
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if (!_parallel_worker_threads_initialized) { |
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if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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_parallel_worker_threads = VM_Version::calc_parallel_worker_threads(); |
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} else { |
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_parallel_worker_threads = ParallelGCThreads; |
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} |
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_parallel_worker_threads_initialized = true; |
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} |
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return _parallel_worker_threads; |
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} |