Mercurial > hg > truffle
annotate src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp @ 21947:9f70fc90169d
Truffle: remove expensive assertion
| author | Andreas Woess <andreas.woess@oracle.com> |
|---|---|
| date | Wed, 17 Jun 2015 04:09:30 +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 |