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view src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
---|---|
date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | f95d63e2154a |
children |
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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. * */ #ifndef OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP #define OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP // Processor dependent parts of ThreadLocalStorage private: static Thread* _get_thread_cache[]; // index by [(raw_id>>9)^(raw_id>>20) % _pd_cache_size] static Thread* get_thread_via_cache_slowly(uintptr_t raw_id, int index); NOT_PRODUCT(static int _tcacheHit;) NOT_PRODUCT(static int _tcacheMiss;) public: // Cache hit/miss statistics static void print_statistics() PRODUCT_RETURN; enum Constants { #ifdef AMD64 _pd_cache_size = 256*2 // projected typical # of threads * 2 #else _pd_cache_size = 128*2 // projected typical # of threads * 2 #endif // AMD64 }; enum pd_tlsAccessMode { pd_tlsAccessUndefined = -1, pd_tlsAccessSlow = 0, pd_tlsAccessIndirect = 1, pd_tlsAccessDirect = 2 } ; static void set_thread_in_slot (Thread *) ; static pd_tlsAccessMode pd_getTlsAccessMode () ; static ptrdiff_t pd_getTlsOffset () ; static uintptr_t pd_raw_thread_id() { #ifdef _GNU_SOURCE #ifdef AMD64 uintptr_t rv; __asm__ __volatile__ ("movq %%fs:0, %0" : "=r"(rv)); return rv; #else return gs_thread(); #endif // AMD64 #else //_GNU_SOURCE return _raw_thread_id(); #endif //_GNU_SOURCE } static int pd_cache_index(uintptr_t raw_id) { // Copied from the sparc version. Dave said it should also work fine // for solx86. int ix = (int) (((raw_id >> 9) ^ (raw_id >> 20)) % _pd_cache_size); return ix; } // Java Thread static inline Thread* thread(); #endif // OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP