hotspot/src/os_cpu/linux_x86/vm/threadLS_linux_x86.hpp
changeset 34763 138d9e3f9da7
parent 34762 d68b7daca533
parent 34748 3b2cde99bd99
child 34764 f9bcdce2df26
--- a/hotspot/src/os_cpu/linux_x86/vm/threadLS_linux_x86.hpp	Mon Dec 21 17:47:21 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,58 +0,0 @@
-/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef OS_CPU_LINUX_X86_VM_THREADLS_LINUX_X86_HPP
-#define OS_CPU_LINUX_X86_VM_THREADLS_LINUX_X86_HPP
-
-  // Processor dependent parts of ThreadLocalStorage
-
-#if !defined(AMD64) && !defined(MINIMIZE_RAM_USAGE)
-
-  // map stack pointer to thread pointer - see notes in threadLS_linux_x86.cpp
-  #define SP_BITLENGTH  32
-  #define PAGE_SHIFT    12
-  #define PAGE_SIZE     (1UL << PAGE_SHIFT)
-  static Thread* _sp_map[1UL << (SP_BITLENGTH - PAGE_SHIFT)];
-
-public:
-
-  static Thread** sp_map_addr() { return _sp_map; }
-
-  static Thread* thread() {
-    uintptr_t sp;
-    __asm__ volatile ("movl %%esp, %0" : "=r" (sp));
-    return _sp_map[sp >> PAGE_SHIFT];
-  }
-
-#else
-
-public:
-
-   static Thread* thread() {
-     return (Thread*) os::thread_local_storage_at(thread_index());
-   }
-
-#endif // AMD64 || MINIMIZE_RAM_USAGE
-
-#endif // OS_CPU_LINUX_X86_VM_THREADLS_LINUX_X86_HPP