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annotate src/os_cpu/windows_x86/vm/unwind_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 33c52908bcdb
children
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1 /*
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2 * Copyright (c) 2004, 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_UNWIND_WINDOWS_X86_HPP
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26 #define OS_CPU_WINDOWS_X86_VM_UNWIND_WINDOWS_X86_HPP
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27
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28
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29 #ifdef AMD64
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30 typedef unsigned char UBYTE;
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31
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32 #if _MSC_VER < 1700
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33
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34 /* Not needed for VS2012 compiler, comes from winnt.h. */
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35 #define UNW_FLAG_EHANDLER 0x01
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36 #define UNW_FLAG_UHANDLER 0x02
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37 #define UNW_FLAG_CHAININFO 0x04
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38
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39 #endif
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40
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41 // This structure is used to define an UNWIND_INFO that
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42 // only has an ExceptionHandler. There are no UnwindCodes
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43 // declared.
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44 typedef struct _UNWIND_INFO_EH_ONLY {
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45 UBYTE Version : 3;
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46 UBYTE Flags : 5;
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47 UBYTE SizeOfProlog;
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48 UBYTE CountOfCodes;
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49 UBYTE FrameRegister : 4;
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50 UBYTE FrameOffset : 4;
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51 union {
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52 OPTIONAL ULONG ExceptionHandler;
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53 OPTIONAL ULONG FunctionEntry;
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54 };
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55 OPTIONAL ULONG ExceptionData[1];
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56 } UNWIND_INFO_EH_ONLY, *PUNWIND_INFO_EH_ONLY;
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57
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58
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59 /*
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60 typedef struct _RUNTIME_FUNCTION {
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61 ULONG BeginAddress;
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62 ULONG EndAddress;
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63 ULONG UnwindData;
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64 } RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;
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65 */
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66
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67 #if _MSC_VER < 1700
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68
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69 /* Not needed for VS2012 compiler, comes from winnt.h. */
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70 typedef struct _DISPATCHER_CONTEXT {
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71 ULONG64 ControlPc;
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72 ULONG64 ImageBase;
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73 PRUNTIME_FUNCTION FunctionEntry;
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74 ULONG64 EstablisherFrame;
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75 ULONG64 TargetIp;
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76 PCONTEXT ContextRecord;
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77 // PEXCEPTION_ROUTINE LanguageHandler;
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78 char * LanguageHandler; // double dependency problem
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79 PVOID HandlerData;
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80 } DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT;
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81
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82 #endif
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83
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84 #if _MSC_VER < 1500
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86 /* Not needed for VS2008 compiler, comes from winnt.h. */
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87 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) (
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88 IN PEXCEPTION_RECORD ExceptionRecord,
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89 IN ULONG64 EstablisherFrame,
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90 IN OUT PCONTEXT ContextRecord,
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91 IN OUT PDISPATCHER_CONTEXT DispatcherContext
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92 );
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93
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94 #endif
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96 #endif // AMD64
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98 #endif // OS_CPU_WINDOWS_X86_VM_UNWIND_WINDOWS_X86_HPP