Mercurial > hg > truffle
view src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp @ 795:215f81b4d9b3
6841831: G1: assert(contains_reference(from),"We just added it!") fires
Summary: During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads.
Reviewed-by: tonyp
author | iveresov |
---|---|
date | Mon, 18 May 2009 11:52:46 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 1998-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // 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();