Mercurial > jdk8-mips64-public > hotspot / annotate
src/os_cpu/linux_x86/vm/threadLS_linux_x86.hpp@f03d0a26bf83 (annotated)
src/os_cpu/linux_x86/vm/threadLS_linux_x86.hpp
Thu, 22 Apr 2010 13:23:15 -0700
- author
- jcoomes
- date
- Thu, 22 Apr 2010 13:23:15 -0700
- changeset 1845
- f03d0a26bf83
- parent 435
- a61af66fc99e
- child 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6888954: argument formatting for assert() and friends
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed
| duke@435 | 1 | /* |
| duke@435 | 2 | * Copyright 1999-2003 Sun Microsystems, Inc. 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 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | // Processor dependent parts of ThreadLocalStorage |
| duke@435 | 26 | |
| duke@435 | 27 | #ifndef AMD64 |
| duke@435 | 28 | // map stack pointer to thread pointer - see notes in threadLS_linux_x86.cpp |
| duke@435 | 29 | #define SP_BITLENGTH 32 |
| duke@435 | 30 | #define PAGE_SHIFT 12 |
| duke@435 | 31 | #define PAGE_SIZE (1UL << PAGE_SHIFT) |
| duke@435 | 32 | static Thread* _sp_map[1UL << (SP_BITLENGTH - PAGE_SHIFT)]; |
| duke@435 | 33 | #endif // !AMD64 |
| duke@435 | 34 | |
| duke@435 | 35 | public: |
| duke@435 | 36 | |
| duke@435 | 37 | #ifndef AMD64 |
| duke@435 | 38 | static Thread** sp_map_addr() { return _sp_map; } |
| duke@435 | 39 | #endif // !AMD64 |
| duke@435 | 40 | |
| duke@435 | 41 | static Thread* thread() { |
| duke@435 | 42 | #ifdef AMD64 |
| duke@435 | 43 | return (Thread*) os::thread_local_storage_at(thread_index()); |
| duke@435 | 44 | #else |
| duke@435 | 45 | uintptr_t sp; |
| duke@435 | 46 | __asm__ volatile ("movl %%esp, %0" : "=r" (sp)); |
| duke@435 | 47 | return _sp_map[sp >> PAGE_SHIFT]; |
| duke@435 | 48 | #endif // AMD64 |
| duke@435 | 49 | } |
