Mercurial > hg > truffle
annotate src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp @ 3193:52087773be5b
IdealGraphVisualizer: Make scheduling more robust by ignoring graphs without any nodes and by using the node with the lowest id as root when there is no node labeled "Root" and no node without predecessors
| author | Peter Hofer <peter.hofer@jku.at> |
|---|---|
| date | Fri, 08 Jul 2011 14:26:12 +0200 |
| parents | f95d63e2154a |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP |
| 26 #define OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP | |
| 27 | |
| 0 | 28 // Processor dependent parts of ThreadLocalStorage |
| 29 | |
| 30 private: | |
| 31 static Thread* _get_thread_cache[]; // index by [(raw_id>>9)^(raw_id>>20) % _pd_cache_size] | |
| 32 static Thread* get_thread_via_cache_slowly(uintptr_t raw_id, int index); | |
| 33 | |
| 34 NOT_PRODUCT(static int _tcacheHit;) | |
| 35 NOT_PRODUCT(static int _tcacheMiss;) | |
| 36 | |
| 37 public: | |
| 38 // Cache hit/miss statistics | |
| 39 static void print_statistics() PRODUCT_RETURN; | |
| 40 | |
| 41 enum Constants { | |
| 42 #ifdef AMD64 | |
| 43 _pd_cache_size = 256*2 // projected typical # of threads * 2 | |
| 44 #else | |
| 45 _pd_cache_size = 128*2 // projected typical # of threads * 2 | |
| 46 #endif // AMD64 | |
| 47 }; | |
| 48 | |
| 49 enum pd_tlsAccessMode { | |
| 50 pd_tlsAccessUndefined = -1, | |
| 51 pd_tlsAccessSlow = 0, | |
| 52 pd_tlsAccessIndirect = 1, | |
| 53 pd_tlsAccessDirect = 2 | |
| 54 } ; | |
| 55 | |
| 56 static void set_thread_in_slot (Thread *) ; | |
| 57 | |
| 58 static pd_tlsAccessMode pd_getTlsAccessMode () ; | |
| 59 static ptrdiff_t pd_getTlsOffset () ; | |
| 60 | |
| 61 static uintptr_t pd_raw_thread_id() { | |
| 62 #ifdef _GNU_SOURCE | |
| 63 #ifdef AMD64 | |
| 64 uintptr_t rv; | |
| 65 __asm__ __volatile__ ("movq %%fs:0, %0" : "=r"(rv)); | |
| 66 return rv; | |
| 67 #else | |
| 68 return gs_thread(); | |
| 69 #endif // AMD64 | |
| 70 #else //_GNU_SOURCE | |
| 71 return _raw_thread_id(); | |
| 72 #endif //_GNU_SOURCE | |
| 73 } | |
| 74 | |
| 75 static int pd_cache_index(uintptr_t raw_id) { | |
| 76 // Copied from the sparc version. Dave said it should also work fine | |
| 77 // for solx86. | |
| 78 int ix = (int) (((raw_id >> 9) ^ (raw_id >> 20)) % _pd_cache_size); | |
| 79 return ix; | |
| 80 } | |
| 81 | |
| 82 // Java Thread | |
| 83 static inline Thread* thread(); | |
| 1972 | 84 |
| 85 #endif // OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP |