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annotate src/os_cpu/windows_x86/vm/os_windows_x86.hpp @ 14304:a2866d45e99e

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8027454: Do not traverse string table during G1 remark when treating them as strong roots during initial mark Summary: Do not try to unlink string table entries unconditionally during remark. This is without side effects as the preceding initial mark always uses the string table as strong roots. Needs to be fixed with class unloading during concurrent mark. Reviewed-by: brutisso, mgerdin
author tschatzl
date Mon, 20 Jan 2014 11:47:29 +0100
parents de6a9e811145
children 4ca6dc0799b6
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1 /*
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2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.
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22 *
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23 */
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24
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25 #ifndef OS_CPU_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP
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26 #define OS_CPU_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP
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27
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28 //
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29 // NOTE: we are back in class os here, not win32
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30 //
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31 #ifdef AMD64
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32 static jint (*atomic_xchg_func) (jint, volatile jint*);
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33 static intptr_t (*atomic_xchg_ptr_func) (intptr_t, volatile intptr_t*);
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34
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35 static jint (*atomic_cmpxchg_func) (jint, volatile jint*, jint);
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36 static jlong (*atomic_cmpxchg_long_func) (jlong, volatile jlong*, jlong);
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37
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38 static jint (*atomic_add_func) (jint, volatile jint*);
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39 static intptr_t (*atomic_add_ptr_func) (intptr_t, volatile intptr_t*);
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40
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41 static jint atomic_xchg_bootstrap (jint, volatile jint*);
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42 static intptr_t atomic_xchg_ptr_bootstrap (intptr_t, volatile intptr_t*);
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43
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44 static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint);
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45 #else
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46
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47 static jlong (*atomic_cmpxchg_long_func) (jlong, volatile jlong*, jlong);
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48
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49 #endif // AMD64
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50
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51 static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
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52
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53 #ifdef AMD64
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54 static jint atomic_add_bootstrap (jint, volatile jint*);
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55 static intptr_t atomic_add_ptr_bootstrap (intptr_t, volatile intptr_t*);
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56 #endif // AMD64
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57
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58 static void setup_fpu();
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59 static bool supports_sse() { return true; }
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60
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61 static jlong rdtsc();
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62
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63 static bool register_code_area(char *low, char *high);
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64
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65 #ifdef AMD64
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66 #define PLATFORM_PRINT_NATIVE_STACK 1
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67 static bool platform_print_native_stack(outputStream* st, void* context,
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68 char *buf, int buf_size);
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69 #endif
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70
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71 #endif // OS_CPU_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP