| 1 | /* $Id: DBGFLog.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DBGF - Debugger Facility, Log Manager.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 |
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| 19 | /*********************************************************************************************************************************
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| 20 | * Header Files *
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| 21 | *********************************************************************************************************************************/
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| 22 | #define LOG_GROUP LOG_GROUP_DBGF
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| 23 | #include <VBox/vmm/vmapi.h>
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| 24 | #include <VBox/vmm/vmm.h>
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| 25 | #include <VBox/vmm/dbgf.h>
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| 26 | #include <VBox/vmm/uvm.h>
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| 27 | #include <VBox/vmm/vm.h>
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| 28 | #include <VBox/log.h>
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| 29 | #include <VBox/err.h>
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| 30 | #include <iprt/assert.h>
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| 31 | #include <iprt/param.h>
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| 32 | #include <iprt/string.h>
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| 33 |
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| 34 |
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| 35 | /**
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| 36 | * Checkes for logger prefixes and selects the right logger.
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| 37 | *
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| 38 | * @returns Target logger.
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| 39 | * @param ppsz Pointer to the string pointer.
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| 40 | */
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| 41 | static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
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| 42 | {
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| 43 | PRTLOGGER pLogger;
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| 44 | const char *psz = *ppsz;
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| 45 | if (!strncmp(psz, RT_STR_TUPLE("release:")))
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| 46 | {
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| 47 | *ppsz += sizeof("release:") - 1;
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| 48 | pLogger = RTLogRelGetDefaultInstance();
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| 49 | }
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| 50 | else
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| 51 | {
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| 52 | if (!strncmp(psz, RT_STR_TUPLE("debug:")))
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| 53 | *ppsz += sizeof("debug:") - 1;
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| 54 | pLogger = RTLogDefaultInstance();
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| 55 | }
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| 56 | return pLogger;
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| 57 | }
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| 58 |
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| 59 |
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| 60 | /**
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| 61 | * EMT worker for DBGFR3LogModifyGroups.
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| 62 | *
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| 63 | * @returns VBox status code.
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| 64 | * @param pUVM The user mode VM handle.
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| 65 | * @param pszGroupSettings The group settings string. (VBOX_LOG)
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| 66 | */
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| 67 | static DECLCALLBACK(int) dbgfR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
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| 68 | {
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| 69 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszGroupSettings);
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| 70 | if (!pLogger)
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| 71 | return VINF_SUCCESS;
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| 72 |
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| 73 | int rc = RTLogGroupSettings(pLogger, pszGroupSettings);
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| 74 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 75 | {
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| 76 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 77 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 78 | }
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| 79 | return rc;
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| 80 | }
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| 81 |
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| 82 |
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| 83 | /**
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| 84 | * Changes the logger group settings.
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| 85 | *
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| 86 | * @returns VBox status code.
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| 87 | * @param pUVM The user mode VM handle.
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| 88 | * @param pszGroupSettings The group settings string. (VBOX_LOG)
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| 89 | * By prefixing the string with \"release:\" the
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| 90 | * changes will be applied to the release log
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| 91 | * instead of the debug log. The prefix \"debug:\"
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| 92 | * is also recognized.
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| 93 | */
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| 94 | VMMR3DECL(int) DBGFR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
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| 95 | {
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| 96 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 97 | AssertPtrReturn(pszGroupSettings, VERR_INVALID_POINTER);
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| 98 |
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| 99 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyGroups, 2, pUVM, pszGroupSettings);
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| 100 | }
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| 101 |
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| 102 |
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| 103 | /**
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| 104 | * EMT worker for DBGFR3LogModifyFlags.
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| 105 | *
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| 106 | * @returns VBox status code.
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| 107 | * @param pUVM The user mode VM handle.
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| 108 | * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
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| 109 | */
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| 110 | static DECLCALLBACK(int) dbgfR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
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| 111 | {
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| 112 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszFlagSettings);
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| 113 | if (!pLogger)
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| 114 | return VINF_SUCCESS;
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| 115 |
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| 116 | int rc = RTLogFlags(pLogger, pszFlagSettings);
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| 117 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 118 | {
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| 119 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 120 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 121 | }
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| 122 | return rc;
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| 123 | }
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| 124 |
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| 125 |
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| 126 | /**
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| 127 | * Changes the logger flag settings.
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| 128 | *
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| 129 | * @returns VBox status code.
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| 130 | * @param pUVM The user mode VM handle.
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| 131 | * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
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| 132 | * By prefixing the string with \"release:\" the
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| 133 | * changes will be applied to the release log
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| 134 | * instead of the debug log. The prefix \"debug:\"
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| 135 | * is also recognized.
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| 136 | */
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| 137 | VMMR3DECL(int) DBGFR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
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| 138 | {
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| 139 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 140 | AssertPtrReturn(pszFlagSettings, VERR_INVALID_POINTER);
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| 141 |
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| 142 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyFlags, 2, pUVM, pszFlagSettings);
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| 143 | }
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| 144 |
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| 145 |
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| 146 | /**
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| 147 | * EMT worker for DBGFR3LogModifyFlags.
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| 148 | *
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| 149 | * @returns VBox status code.
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| 150 | * @param pUVM The user mode VM handle.
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| 151 | * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
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| 152 | */
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| 153 | static DECLCALLBACK(int) dbgfR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
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| 154 | {
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| 155 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszDestSettings);
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| 156 | if (!pLogger)
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| 157 | return VINF_SUCCESS;
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| 158 |
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| 159 | int rc = RTLogDestinations(NULL, pszDestSettings);
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| 160 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 161 | {
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| 162 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 163 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 164 | }
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| 165 | return rc;
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| 166 | }
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| 167 |
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| 168 |
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| 169 | /**
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| 170 | * Changes the logger destination settings.
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| 171 | *
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| 172 | * @returns VBox status code.
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| 173 | * @param pUVM The user mode VM handle.
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| 174 | * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
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| 175 | * By prefixing the string with \"release:\" the
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| 176 | * changes will be applied to the release log
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| 177 | * instead of the debug log. The prefix \"debug:\"
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| 178 | * is also recognized.
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| 179 | */
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| 180 | VMMR3DECL(int) DBGFR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
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| 181 | {
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| 182 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 183 | AssertPtrReturn(pszDestSettings, VERR_INVALID_POINTER);
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| 184 |
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| 185 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyDestinations, 2, pUVM, pszDestSettings);
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| 186 | }
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| 187 |
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