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src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp@9b8ce46870df (annotated)
src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp
Thu, 16 Feb 2012 17:12:49 -0800
- author
- kvn
- date
- Thu, 16 Feb 2012 17:12:49 -0800
- changeset 3577
- 9b8ce46870df
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
- child 8187
- 3ad3f93fe3d2
- permissions
- -rw-r--r--
7145346: VerifyStackAtCalls is broken
Summary: Replace call_epilog() encoding with macroassembler use. Moved duplicated code to x86.ad. Fixed return_addr() definition.
Reviewed-by: never
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP |
| stefank@2314 | 26 | #define OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP |
| stefank@2314 | 27 | |
| duke@435 | 28 | // Processor dependent parts of ThreadLocalStorage |
| duke@435 | 29 | |
| duke@435 | 30 | private: |
| duke@435 | 31 | static Thread* _get_thread_cache[]; // index by [(raw_id>>9)^(raw_id>>20) % _pd_cache_size] |
| duke@435 | 32 | static Thread* get_thread_via_cache_slowly(uintptr_t raw_id, int index); |
| duke@435 | 33 | |
| duke@435 | 34 | NOT_PRODUCT(static int _tcacheHit;) |
| duke@435 | 35 | NOT_PRODUCT(static int _tcacheMiss;) |
| duke@435 | 36 | |
| duke@435 | 37 | public: |
| duke@435 | 38 | // Cache hit/miss statistics |
| duke@435 | 39 | static void print_statistics() PRODUCT_RETURN; |
| duke@435 | 40 | |
| duke@435 | 41 | enum Constants { |
| duke@435 | 42 | #ifdef AMD64 |
| duke@435 | 43 | _pd_cache_size = 256*2 // projected typical # of threads * 2 |
| duke@435 | 44 | #else |
| duke@435 | 45 | _pd_cache_size = 128*2 // projected typical # of threads * 2 |
| duke@435 | 46 | #endif // AMD64 |
| duke@435 | 47 | }; |
| duke@435 | 48 | |
| duke@435 | 49 | enum pd_tlsAccessMode { |
| duke@435 | 50 | pd_tlsAccessUndefined = -1, |
| duke@435 | 51 | pd_tlsAccessSlow = 0, |
| duke@435 | 52 | pd_tlsAccessIndirect = 1, |
| duke@435 | 53 | pd_tlsAccessDirect = 2 |
| duke@435 | 54 | } ; |
| duke@435 | 55 | |
| duke@435 | 56 | static void set_thread_in_slot (Thread *) ; |
| duke@435 | 57 | |
| duke@435 | 58 | static pd_tlsAccessMode pd_getTlsAccessMode () ; |
| duke@435 | 59 | static ptrdiff_t pd_getTlsOffset () ; |
| duke@435 | 60 | |
| duke@435 | 61 | static uintptr_t pd_raw_thread_id() { |
| duke@435 | 62 | #ifdef _GNU_SOURCE |
| duke@435 | 63 | #ifdef AMD64 |
| duke@435 | 64 | uintptr_t rv; |
| duke@435 | 65 | __asm__ __volatile__ ("movq %%fs:0, %0" : "=r"(rv)); |
| duke@435 | 66 | return rv; |
| duke@435 | 67 | #else |
| duke@435 | 68 | return gs_thread(); |
| duke@435 | 69 | #endif // AMD64 |
| duke@435 | 70 | #else //_GNU_SOURCE |
| duke@435 | 71 | return _raw_thread_id(); |
| duke@435 | 72 | #endif //_GNU_SOURCE |
| duke@435 | 73 | } |
| duke@435 | 74 | |
| duke@435 | 75 | static int pd_cache_index(uintptr_t raw_id) { |
| duke@435 | 76 | // Copied from the sparc version. Dave said it should also work fine |
| duke@435 | 77 | // for solx86. |
| duke@435 | 78 | int ix = (int) (((raw_id >> 9) ^ (raw_id >> 20)) % _pd_cache_size); |
| duke@435 | 79 | return ix; |
| duke@435 | 80 | } |
| duke@435 | 81 | |
| duke@435 | 82 | // Java Thread |
| duke@435 | 83 | static inline Thread* thread(); |
| stefank@2314 | 84 | |
| stefank@2314 | 85 | #endif // OS_CPU_SOLARIS_X86_VM_THREADLS_SOLARIS_X86_HPP |
