[31510] | 1 | /* $Id: DBGPlugInWinNt.cpp 105532 2024-07-27 00:55:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DBGPlugInWindows - Debugger and Guest OS Digger Plugin For Windows NT.
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2009-2023 Oracle and/or its affiliates.
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[31510] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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[31510] | 26 | */
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| 27 |
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| 28 |
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[57358] | 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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[63567] | 32 | #define LOG_GROUP LOG_GROUP_DBGF /// @todo add new log group.
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[31510] | 33 | #include "DBGPlugIns.h"
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[35346] | 34 | #include <VBox/vmm/dbgf.h>
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[73460] | 35 | #include <VBox/vmm/cpumctx.h>
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| 36 | #include <VBox/vmm/mm.h>
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[96867] | 37 | #ifdef VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING
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| 38 | # include <VBox/vmm/vmapi.h>
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| 39 | # include <VBox/dis.h>
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| 40 | #endif
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[93470] | 41 | #include <VBox/vmm/vmmr3vtable.h>
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[31510] | 42 | #include <VBox/err.h>
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| 43 | #include <VBox/param.h>
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[73491] | 44 | #include <iprt/ctype.h>
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[46083] | 45 | #include <iprt/ldr.h>
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[31510] | 46 | #include <iprt/mem.h>
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[73491] | 47 | #include <iprt/path.h>
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[31510] | 48 | #include <iprt/stream.h>
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[46083] | 49 | #include <iprt/string.h>
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[76408] | 50 | #include <iprt/utf16.h>
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[58742] | 51 | #include <iprt/formats/pecoff.h>
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| 52 | #include <iprt/formats/mz.h>
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[73460] | 53 | #include <iprt/nt/nt-structures.h>
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[31510] | 54 |
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| 55 |
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[57358] | 56 | /*********************************************************************************************************************************
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| 57 | * Structures and Typedefs *
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| 58 | *********************************************************************************************************************************/
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[31510] | 59 |
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| 60 | /** @name Internal WinNT structures
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| 61 | * @{ */
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| 62 | /**
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| 63 | * PsLoadedModuleList entry for 32-bit NT aka LDR_DATA_TABLE_ENTRY.
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| 64 | * Tested with XP.
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[104433] | 65 | *
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| 66 | * See comments in NTMTE64.
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[31510] | 67 | */
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| 68 | typedef struct NTMTE32
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| 69 | {
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| 70 | struct
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| 71 | {
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| 72 | uint32_t Flink;
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| 73 | uint32_t Blink;
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| 74 | } InLoadOrderLinks,
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| 75 | InMemoryOrderModuleList,
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| 76 | InInitializationOrderModuleList;
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| 77 | uint32_t DllBase;
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| 78 | uint32_t EntryPoint;
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[70338] | 79 | /** @note This field is not a size in NT 3.1. It's NULL for images loaded by the
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| 80 | * boot loader, for other images it looks like some kind of pointer. */
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[31510] | 81 | uint32_t SizeOfImage;
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| 82 | struct
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| 83 | {
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| 84 | uint16_t Length;
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| 85 | uint16_t MaximumLength;
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| 86 | uint32_t Buffer;
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| 87 | } FullDllName,
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| 88 | BaseDllName;
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[104433] | 89 | uint32_t Flags; /**< NTMTE_F_XXX */
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[31510] | 90 | uint16_t LoadCount;
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| 91 | uint16_t TlsIndex;
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| 92 | /* ... there is more ... */
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| 93 | } NTMTE32;
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| 94 | typedef NTMTE32 *PNTMTE32;
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| 95 |
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| 96 | /**
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[57125] | 97 | * PsLoadedModuleList entry for 64-bit NT aka LDR_DATA_TABLE_ENTRY.
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[104433] | 98 | *
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| 99 | * Starting with XP it it's specialized for the kernel as KLDR_DATA_TABLE_ENTRY
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| 100 | * with compatible layout up to a point, the non-K version is used in user land.
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| 101 | * The Flags values probably differs a bit by now.
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[31510] | 102 | */
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| 103 | typedef struct NTMTE64
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| 104 | {
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| 105 | struct
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| 106 | {
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| 107 | uint64_t Flink;
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| 108 | uint64_t Blink;
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[46127] | 109 | } InLoadOrderLinks, /**< 0x00 */
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| 110 | InMemoryOrderModuleList, /**< 0x10 */
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| 111 | InInitializationOrderModuleList; /**< 0x20 */
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| 112 | uint64_t DllBase; /**< 0x30 */
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| 113 | uint64_t EntryPoint; /**< 0x38 */
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| 114 | uint32_t SizeOfImage; /**< 0x40 */
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| 115 | uint32_t Alignment; /**< 0x44 */
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[31510] | 116 | struct
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| 117 | {
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[46127] | 118 | uint16_t Length; /**< 0x48,0x58 */
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| 119 | uint16_t MaximumLength; /**< 0x4a,0x5a */
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| 120 | uint32_t Alignment; /**< 0x4c,0x5c */
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| 121 | uint64_t Buffer; /**< 0x50,0x60 */
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| 122 | } FullDllName, /**< 0x48 */
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| 123 | BaseDllName; /**< 0x58 */
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[104433] | 124 | uint32_t Flags; /**< 0x68 NTMTE_F_XXX */
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[46127] | 125 | uint16_t LoadCount; /**< 0x6c */
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| 126 | uint16_t TlsIndex; /**< 0x6e */
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[31510] | 127 | /* ... there is more ... */
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| 128 | } NTMTE64;
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| 129 | typedef NTMTE64 *PNTMTE64;
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| 130 |
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[104433] | 131 | #define NTMTE_F_FORCE_INTEGRITY 0x20 /* copy of IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY */
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| 132 |
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[31510] | 133 | /** MTE union. */
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| 134 | typedef union NTMTE
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| 135 | {
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| 136 | NTMTE32 vX_32;
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| 137 | NTMTE64 vX_64;
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| 138 | } NTMTE;
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| 139 | typedef NTMTE *PNTMTE;
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| 140 |
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| 141 |
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| 142 | /**
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| 143 | * The essential bits of the KUSER_SHARED_DATA structure.
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| 144 | */
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| 145 | typedef struct NTKUSERSHAREDDATA
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| 146 | {
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| 147 | uint32_t TickCountLowDeprecated;
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| 148 | uint32_t TickCountMultiplier;
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| 149 | struct
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| 150 | {
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| 151 | uint32_t LowPart;
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| 152 | int32_t High1Time;
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| 153 | int32_t High2Time;
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| 154 |
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| 155 | } InterruptTime,
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| 156 | SystemTime,
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| 157 | TimeZoneBias;
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| 158 | uint16_t ImageNumberLow;
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| 159 | uint16_t ImageNumberHigh;
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| 160 | RTUTF16 NtSystemRoot[260];
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| 161 | uint32_t MaxStackTraceDepth;
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| 162 | uint32_t CryptoExponent;
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| 163 | uint32_t TimeZoneId;
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| 164 | uint32_t LargePageMinimum;
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[86159] | 165 | uint32_t Reserved2[6];
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| 166 | uint32_t NtBuildNumber;
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[31510] | 167 | uint32_t NtProductType;
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| 168 | uint8_t ProductTypeIsValid;
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| 169 | uint8_t abPadding[3];
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| 170 | uint32_t NtMajorVersion;
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| 171 | uint32_t NtMinorVersion;
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| 172 | /* uint8_t ProcessorFeatures[64];
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| 173 | ...
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| 174 | */
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| 175 | } NTKUSERSHAREDDATA;
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| 176 | typedef NTKUSERSHAREDDATA *PNTKUSERSHAREDDATA;
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| 177 |
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| 178 | /** KI_USER_SHARED_DATA for i386 */
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| 179 | #define NTKUSERSHAREDDATA_WINNT32 UINT32_C(0xffdf0000)
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| 180 | /** KI_USER_SHARED_DATA for AMD64 */
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| 181 | #define NTKUSERSHAREDDATA_WINNT64 UINT64_C(0xfffff78000000000)
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| 182 |
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| 183 | /** NTKUSERSHAREDDATA::NtProductType */
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| 184 | typedef enum NTPRODUCTTYPE
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| 185 | {
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| 186 | kNtProductType_Invalid = 0,
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| 187 | kNtProductType_WinNt = 1,
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| 188 | kNtProductType_LanManNt,
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| 189 | kNtProductType_Server
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| 190 | } NTPRODUCTTYPE;
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| 191 |
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| 192 |
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[46101] | 193 | /** NT image header union. */
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| 194 | typedef union NTHDRSU
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[31510] | 195 | {
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[46101] | 196 | IMAGE_NT_HEADERS32 vX_32;
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| 197 | IMAGE_NT_HEADERS64 vX_64;
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| 198 | } NTHDRS;
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| 199 | /** Pointer to NT image header union. */
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| 200 | typedef NTHDRS *PNTHDRS;
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| 201 | /** Pointer to const NT image header union. */
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| 202 | typedef NTHDRS const *PCNTHDRS;
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[31510] | 203 |
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[86162] | 204 |
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| 205 | /**
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| 206 | * NT KD version block.
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| 207 | */
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| 208 | typedef struct NTKDVERSIONBLOCK
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| 209 | {
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| 210 | uint16_t MajorVersion;
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| 211 | uint16_t MinorVersion;
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| 212 | uint8_t ProtocolVersion;
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| 213 | uint8_t KdSecondaryVersion;
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| 214 | uint16_t Flags;
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| 215 | uint16_t MachineType;
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| 216 | uint8_t MaxPacketType;
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| 217 | uint8_t MaxStateChange;
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| 218 | uint8_t MaxManipulate;
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| 219 | uint8_t Simulation;
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| 220 | uint16_t Unused;
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| 221 | uint64_t KernBase;
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| 222 | uint64_t PsLoadedModuleList;
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| 223 | uint64_t DebuggerDataList;
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| 224 | } NTKDVERSIONBLOCK;
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| 225 | /** Pointer to an NT KD version block. */
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| 226 | typedef NTKDVERSIONBLOCK *PNTKDVERSIONBLOCK;
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| 227 | /** Pointer to a const NT KD version block. */
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| 228 | typedef const NTKDVERSIONBLOCK *PCNTKDVERSIONBLOCK;
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| 229 |
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[31510] | 230 | /** @} */
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| 231 |
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| 232 |
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[46101] | 233 |
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[31510] | 234 | typedef enum DBGDIGGERWINNTVER
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| 235 | {
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| 236 | DBGDIGGERWINNTVER_UNKNOWN,
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| 237 | DBGDIGGERWINNTVER_3_1,
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| 238 | DBGDIGGERWINNTVER_3_5,
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| 239 | DBGDIGGERWINNTVER_4_0,
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| 240 | DBGDIGGERWINNTVER_5_0,
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| 241 | DBGDIGGERWINNTVER_5_1,
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| 242 | DBGDIGGERWINNTVER_6_0
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| 243 | } DBGDIGGERWINNTVER;
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| 244 |
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| 245 | /**
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| 246 | * WinNT guest OS digger instance data.
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| 247 | */
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| 248 | typedef struct DBGDIGGERWINNT
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| 249 | {
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| 250 | /** Whether the information is valid or not.
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| 251 | * (For fending off illegal interface method calls.) */
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| 252 | bool fValid;
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| 253 | /** 32-bit (true) or 64-bit (false) */
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| 254 | bool f32Bit;
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[70338] | 255 | /** Set if NT 3.1 was detected.
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| 256 | * This implies both Misc.VirtualSize and NTMTE32::SizeOfImage are zero. */
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| 257 | bool fNt31;
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[31510] | 258 |
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| 259 | /** The NT version. */
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| 260 | DBGDIGGERWINNTVER enmVer;
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| 261 | /** NTKUSERSHAREDDATA::NtProductType */
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| 262 | NTPRODUCTTYPE NtProductType;
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| 263 | /** NTKUSERSHAREDDATA::NtMajorVersion */
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| 264 | uint32_t NtMajorVersion;
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| 265 | /** NTKUSERSHAREDDATA::NtMinorVersion */
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| 266 | uint32_t NtMinorVersion;
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[86159] | 267 | /** NTKUSERSHAREDDATA::NtBuildNumber */
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| 268 | uint32_t NtBuildNumber;
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[31510] | 269 |
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[105532] | 270 | /** The address of the bootmgr image if early during boot. */
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| 271 | DBGFADDRESS BootMgrAddr;
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| 272 | /** The address of the winload.exe image if early during boot.
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| 273 | * When this is set, f32Bit has also been determined. */
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| 274 | DBGFADDRESS WinLoadAddr;
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| 275 |
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[31510] | 276 | /** The address of the ntoskrnl.exe image. */
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| 277 | DBGFADDRESS KernelAddr;
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| 278 | /** The address of the ntoskrnl.exe module table entry. */
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| 279 | DBGFADDRESS KernelMteAddr;
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| 280 | /** The address of PsLoadedModuleList. */
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| 281 | DBGFADDRESS PsLoadedModuleListAddr;
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[86103] | 282 |
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| 283 | /** Array of detected KPCR addresses for each vCPU. */
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| 284 | PDBGFADDRESS paKpcrAddr;
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| 285 | /** Array of detected KPCRB addresses for each vCPU. */
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| 286 | PDBGFADDRESS paKpcrbAddr;
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| 287 |
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| 288 | /** The Windows NT specifics interface. */
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| 289 | DBGFOSIWINNT IWinNt;
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[96867] | 290 |
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| 291 | #ifdef VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING
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| 292 | /** Breakpoint owner handle for the DbgPrint/vDbgPrint{,Ex}... interception. */
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| 293 | DBGFBPOWNER hBpOwnerDbgPrint;
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| 294 | /** Breakpoint handle for the DbgPrint/vDbgPrint{,Ex}... interception. */
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| 295 | DBGFBP hBpDbgPrint;
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| 296 | #endif
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[31510] | 297 | } DBGDIGGERWINNT;
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| 298 | /** Pointer to the linux guest OS digger instance data. */
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| 299 | typedef DBGDIGGERWINNT *PDBGDIGGERWINNT;
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| 300 |
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| 301 |
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[46083] | 302 | /**
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| 303 | * The WinNT digger's loader reader instance data.
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| 304 | */
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| 305 | typedef struct DBGDIGGERWINNTRDR
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| 306 | {
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| 307 | /** The VM handle (referenced). */
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| 308 | PUVM pUVM;
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| 309 | /** The image base. */
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| 310 | DBGFADDRESS ImageAddr;
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| 311 | /** The image size. */
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| 312 | uint32_t cbImage;
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[46101] | 313 | /** The file offset of the SizeOfImage field in the optional header if it
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| 314 | * needs patching, otherwise set to UINT32_MAX. */
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| 315 | uint32_t offSizeOfImage;
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| 316 | /** The correct image size. */
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| 317 | uint32_t cbCorrectImageSize;
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[46083] | 318 | /** Number of entries in the aMappings table. */
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| 319 | uint32_t cMappings;
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| 320 | /** Mapping hint. */
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| 321 | uint32_t iHint;
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| 322 | /** Mapping file offset to memory offsets, ordered by file offset. */
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| 323 | struct
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| 324 | {
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| 325 | /** The file offset. */
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| 326 | uint32_t offFile;
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| 327 | /** The size of this mapping. */
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| 328 | uint32_t cbMem;
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| 329 | /** The offset to the memory from the start of the image. */
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| 330 | uint32_t offMem;
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| 331 | } aMappings[1];
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| 332 | } DBGDIGGERWINNTRDR;
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| 333 | /** Pointer a WinNT loader reader instance data. */
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| 334 | typedef DBGDIGGERWINNTRDR *PDBGDIGGERWINNTRDR;
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| 335 |
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| 336 |
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[57358] | 337 | /*********************************************************************************************************************************
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| 338 | * Defined Constants And Macros *
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| 339 | *********************************************************************************************************************************/
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[31510] | 340 | /** Validates a 32-bit Windows NT kernel address */
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| 341 | #define WINNT32_VALID_ADDRESS(Addr) ((Addr) > UINT32_C(0x80000000) && (Addr) < UINT32_C(0xfffff000))
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| 342 | /** Validates a 64-bit Windows NT kernel address */
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[73460] | 343 | #define WINNT64_VALID_ADDRESS(Addr) ((Addr) > UINT64_C(0xffff800000000000) && (Addr) < UINT64_C(0xfffffffffffff000))
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[31510] | 344 | /** Validates a kernel address. */
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| 345 | #define WINNT_VALID_ADDRESS(pThis, Addr) ((pThis)->f32Bit ? WINNT32_VALID_ADDRESS(Addr) : WINNT64_VALID_ADDRESS(Addr))
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| 346 | /** Versioned and bitness wrapper. */
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| 347 | #define WINNT_UNION(pThis, pUnion, Member) ((pThis)->f32Bit ? (pUnion)->vX_32. Member : (pUnion)->vX_64. Member )
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| 348 |
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| 349 | /** The length (in chars) of the kernel file name (no path). */
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| 350 | #define WINNT_KERNEL_BASE_NAME_LEN 12
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| 351 |
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| 352 | /** WindowsNT on little endian ASCII systems. */
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| 353 | #define DIG_WINNT_MOD_TAG UINT64_C(0x54696e646f774e54)
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| 354 |
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| 355 |
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[57358] | 356 | /*********************************************************************************************************************************
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| 357 | * Internal Functions *
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| 358 | *********************************************************************************************************************************/
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[93470] | 359 | static DECLCALLBACK(int) dbgDiggerWinNtInit(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData);
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[31510] | 360 |
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| 361 |
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[57358] | 362 | /*********************************************************************************************************************************
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| 363 | * Global Variables *
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| 364 | *********************************************************************************************************************************/
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[31510] | 365 | /** Kernel names. */
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| 366 | static const RTUTF16 g_wszKernelNames[][WINNT_KERNEL_BASE_NAME_LEN + 1] =
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| 367 | {
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| 368 | { 'n', 't', 'o', 's', 'k', 'r', 'n', 'l', '.', 'e', 'x', 'e' }
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| 369 | };
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| 370 |
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| 371 |
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[96867] | 372 | #ifdef VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING
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[105532] | 373 |
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[96867] | 374 | /**
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| 375 | * Queries the string from guest memory with the pointer in the given register, sanitizing it.
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| 376 | *
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| 377 | * @returns VBox status code.
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| 378 | * @param pUVM The user mode VM handle.
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| 379 | * @param idCpu The CPU ID.
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| 380 | * @param enmReg The register to query the string pointer from.
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| 381 | * @param pszBuf Where to store the sanitized string.
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| 382 | * @param cbBuf Size of the buffer in number of bytes.
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| 383 | */
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| 384 | static int dbgDiggerWinNtDbgPrintQueryStringFromReg(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, char *pszBuf, size_t cbBuf)
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| 385 | {
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| 386 | uint64_t u64RegPtr = 0;
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| 387 | int rc = DBGFR3RegCpuQueryU64(pUVM, idCpu, enmReg, &u64RegPtr);
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| 388 | if ( rc == VINF_SUCCESS
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| 389 | || rc == VINF_DBGF_ZERO_EXTENDED_REGISTER) /* Being strict about what we expect here. */
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| 390 | {
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| 391 | DBGFADDRESS AddrStr;
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| 392 | DBGFR3AddrFromFlat(pUVM, &AddrStr, u64RegPtr);
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| 393 | rc = DBGFR3MemRead(pUVM, idCpu, &AddrStr, pszBuf, cbBuf);
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| 394 | if (RT_SUCCESS(rc))
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| 395 | {
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| 396 | /* Check that there is a zero terminator and purge invalid encoding (expecting UTF-8 here). */
|
---|
| 397 | size_t idx = 0;
|
---|
| 398 | for (idx = 0; idx < cbBuf; idx++)
|
---|
| 399 | if (pszBuf[idx] == '\0')
|
---|
| 400 | break;
|
---|
[46083] | 401 |
|
---|
[96867] | 402 | if (idx == cbBuf)
|
---|
| 403 | pszBuf[cbBuf - 1] = '\0'; /* Force terminator, truncating the string. */
|
---|
| 404 | else
|
---|
| 405 | memset(&pszBuf[idx], 0, cbBuf - idx); /* Clear everything afterwards. */
|
---|
| 406 |
|
---|
| 407 | /* Purge the string encoding. */
|
---|
| 408 | RTStrPurgeEncoding(pszBuf);
|
---|
| 409 | }
|
---|
| 410 | }
|
---|
| 411 | else if (RT_SUCCESS(rc))
|
---|
| 412 | rc = VERR_INVALID_STATE;
|
---|
| 413 |
|
---|
| 414 | return rc;
|
---|
| 415 | }
|
---|
| 416 |
|
---|
| 417 |
|
---|
[31510] | 418 | /**
|
---|
[96867] | 419 | * @copydoc{FNDBGFBPHIT, Breakpoint callback for the DbgPrint interception.}
|
---|
| 420 | */
|
---|
| 421 | static DECLCALLBACK(VBOXSTRICTRC) dbgDiggerWinNtDbgPrintHit(PVM pVM, VMCPUID idCpu, void *pvUserBp, DBGFBP hBp, PCDBGFBPPUB pBpPub, uint16_t fFlags)
|
---|
| 422 | {
|
---|
| 423 | RT_NOREF(hBp, pBpPub, fFlags);
|
---|
| 424 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvUserBp;
|
---|
| 425 | PUVM pUVM = VMR3GetUVM(pVM);
|
---|
| 426 |
|
---|
| 427 | /*
|
---|
| 428 | * The worker prototype looks like the following:
|
---|
| 429 | * vDbgPrintExWorker(PCCH Prefix, ULONG ComponentId, ULONG Level, PCCH Format, va_list arglist, BOOL fUnknown)
|
---|
| 430 | *
|
---|
| 431 | * Depending on the bitness the parameters are grabbed from the appropriate registers and stack locations.
|
---|
| 432 | * For amd64 reading the following is recommended:
|
---|
| 433 | * https://docs.microsoft.com/en-us/cpp/build/x64-calling-convention?view=vs-2019
|
---|
| 434 | * https://docs.microsoft.com/en-us/cpp/build/prolog-and-epilog?view=vs-2019
|
---|
| 435 | * https://docs.microsoft.com/en-us/cpp/build/stack-usage?view=vs-2019
|
---|
| 436 | *
|
---|
| 437 | * @todo 32bit
|
---|
| 438 | */
|
---|
| 439 | int rc = VINF_SUCCESS;
|
---|
| 440 | uint32_t idComponent = 0;
|
---|
| 441 | uint32_t iLevel = 0;
|
---|
| 442 | char aszPrefixStr[128]; /* Restricted size. */
|
---|
| 443 | char aszFmtStr[_1K]; /* Restricted size. */
|
---|
| 444 | DBGFADDRESS AddrVaList;
|
---|
| 445 | if (!pThis->f32Bit)
|
---|
| 446 | {
|
---|
| 447 | /*
|
---|
| 448 | * Grab the prefix, component, level, format string pointer from the registers and the argument list from the
|
---|
| 449 | * stack (mind the home area for the register arguments).
|
---|
| 450 | */
|
---|
| 451 | rc = dbgDiggerWinNtDbgPrintQueryStringFromReg(pUVM, idCpu, DBGFREG_RCX, &aszPrefixStr[0], sizeof(aszPrefixStr));
|
---|
| 452 | if (RT_SUCCESS(rc))
|
---|
| 453 | rc = DBGFR3RegCpuQueryU32(pUVM, idCpu, DBGFREG_RDX, &idComponent);
|
---|
| 454 | if (RT_SUCCESS(rc))
|
---|
| 455 | rc = DBGFR3RegCpuQueryU32(pUVM, idCpu, DBGFREG_R8, &iLevel);
|
---|
| 456 | if (RT_SUCCESS(rc))
|
---|
| 457 | rc = dbgDiggerWinNtDbgPrintQueryStringFromReg(pUVM, idCpu, DBGFREG_R9, &aszFmtStr[0], sizeof(aszFmtStr));
|
---|
| 458 | if (RT_SUCCESS(rc))
|
---|
| 459 | {
|
---|
| 460 | /* Grabbing the pointer to the va list. The stack layout when we are here looks like (each entry is 64bit):
|
---|
| 461 | * +-------------+
|
---|
| 462 | * | ... |
|
---|
| 463 | * | VA list ptr |
|
---|
| 464 | * | (arg3/r9) |
|
---|
| 465 | * | (arg2/r8) |
|
---|
| 466 | * | (arg1/rdx) |
|
---|
| 467 | * | (arg0/rcx) |
|
---|
| 468 | * | return RIP |
|
---|
| 469 | * +-------------+ <- RSP
|
---|
| 470 | */
|
---|
| 471 | uint64_t uRegRsp = 0;
|
---|
| 472 | rc = DBGFR3RegCpuQueryU64(pUVM, idCpu, DBGFREG_RSP, &uRegRsp);
|
---|
| 473 | if (rc == VINF_SUCCESS)
|
---|
| 474 | {
|
---|
| 475 | DBGFADDRESS AddrVaListPtr;
|
---|
| 476 | RTGCUINTPTR GCPtrVaList = 0;
|
---|
| 477 |
|
---|
| 478 | DBGFR3AddrFromFlat(pUVM, &AddrVaListPtr, uRegRsp + 5 * sizeof(RTGCUINTPTR));
|
---|
| 479 | rc = DBGFR3MemRead(pUVM, idCpu, &AddrVaListPtr, &GCPtrVaList, sizeof(GCPtrVaList));
|
---|
| 480 | if (RT_SUCCESS(rc))
|
---|
| 481 | DBGFR3AddrFromFlat(pUVM, &AddrVaList, GCPtrVaList);
|
---|
| 482 | }
|
---|
| 483 | else
|
---|
| 484 | rc = VERR_INVALID_STATE;
|
---|
| 485 | }
|
---|
| 486 | }
|
---|
| 487 | else
|
---|
| 488 | rc = VERR_NOT_IMPLEMENTED; /** @todo */
|
---|
| 489 |
|
---|
| 490 | if (RT_SUCCESS(rc))
|
---|
| 491 | {
|
---|
| 492 | LogRel(("DigWinNt/DbgPrint: Queried arguments %s %#x %u %s %RGv\n", &aszPrefixStr[0], idComponent, iLevel, &aszFmtStr[0], AddrVaList.FlatPtr));
|
---|
| 493 | /** @todo Continue here. */
|
---|
| 494 | }
|
---|
| 495 | else
|
---|
| 496 | LogRel(("DigWinNt/DbgPrint: Failed to query all arguments with rc=%Rrc\n", rc));
|
---|
| 497 |
|
---|
| 498 | return VINF_SUCCESS;
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 |
|
---|
| 502 | /**
|
---|
| 503 | * Disassembles the given instruction and checks whether it is a call with a fixed address.
|
---|
| 504 | *
|
---|
| 505 | * @returns Flag whether the insturction at the given address is a call.
|
---|
| 506 | * @param pThis The instance data.
|
---|
| 507 | * @param pUVM The user mode VM handle.
|
---|
| 508 | * @param pAddrInsn Guest address of the instruction.
|
---|
| 509 | * @param pAddrCall Where to store the destination if the instruction is a call.
|
---|
| 510 | */
|
---|
| 511 | static bool dbgDiggerWinNtDbgPrintWrapperInsnIsCall(PDBGDIGGERWINNT pThis, PUVM pUVM, PCDBGFADDRESS pAddrInsn, PDBGFADDRESS pAddrCall)
|
---|
| 512 | {
|
---|
| 513 | DISSTATE DisState;
|
---|
| 514 | RT_ZERO(DisState);
|
---|
| 515 |
|
---|
| 516 | /* Prefetch the instruction. */
|
---|
| 517 | uint8_t abInstr[32];
|
---|
| 518 | int rc = DBGFR3MemRead(pUVM, 0 /*idCpu*/, pAddrInsn, &abInstr[0], sizeof(abInstr));
|
---|
| 519 | if (RT_SUCCESS(rc))
|
---|
| 520 | {
|
---|
| 521 | uint32_t cbInsn = 0;
|
---|
| 522 | rc = DISInstr(&abInstr[0], pThis->f32Bit ? DISCPUMODE_32BIT : DISCPUMODE_64BIT, &DisState, &cbInsn);
|
---|
| 523 | if ( RT_SUCCESS(rc)
|
---|
| 524 | && DisState.pCurInstr->uOpcode == OP_CALL
|
---|
| 525 | && DisState.Param1.fUse & DISUSE_IMMEDIATE)
|
---|
| 526 | {
|
---|
| 527 | if (DisState.Param1.fUse & (DISUSE_IMMEDIATE32 | DISUSE_IMMEDIATE64))
|
---|
| 528 | DBGFR3AddrFromFlat(pUVM, pAddrCall, DisState.Param1.uValue);
|
---|
| 529 | else if (DisState.Param1.fUse & (DISUSE_IMMEDIATE32_REL | DISUSE_IMMEDIATE64_REL))
|
---|
| 530 | {
|
---|
| 531 | *pAddrCall = *pAddrInsn;
|
---|
| 532 | DBGFR3AddrAdd(pAddrCall, DisState.Param1.uValue + cbInsn);
|
---|
| 533 | }
|
---|
| 534 |
|
---|
| 535 | return true;
|
---|
| 536 | }
|
---|
| 537 | }
|
---|
| 538 |
|
---|
| 539 | return false;
|
---|
| 540 | }
|
---|
| 541 |
|
---|
| 542 |
|
---|
| 543 | /**
|
---|
| 544 | * Tries to find the single call instruction of the DbgPrint/etc. worker in the given control flow graph
|
---|
| 545 | * (single basic block assumed).
|
---|
| 546 | *
|
---|
| 547 | * @returns VBox status code.
|
---|
| 548 | * @param pThis The instance data.
|
---|
| 549 | * @param pUVM The user mode VM handle.
|
---|
| 550 | * @param hFlow The control flow graph handle.
|
---|
| 551 | * @param pAddr Where to store the worker address on success.
|
---|
| 552 | */
|
---|
| 553 | static int dbgDiggerWinNtDbgPrintResolveWorker(PDBGDIGGERWINNT pThis, PUVM pUVM, DBGFFLOW hFlow, PDBGFADDRESS pAddr)
|
---|
| 554 | {
|
---|
| 555 | DBGFFLOWBB hBb;
|
---|
| 556 | int rc = DBGFR3FlowQueryStartBb(hFlow, &hBb);
|
---|
| 557 | if (RT_SUCCESS(rc))
|
---|
| 558 | {
|
---|
| 559 | bool fCallFound = false;
|
---|
| 560 |
|
---|
| 561 | for (uint32_t i = 0; i < DBGFR3FlowBbGetInstrCount(hBb) && RT_SUCCESS(rc); i++)
|
---|
| 562 | {
|
---|
| 563 | DBGFADDRESS AddrInsn;
|
---|
| 564 | uint32_t cbInsn;
|
---|
| 565 | rc = DBGFR3FlowBbQueryInstr(hBb, i, &AddrInsn, &cbInsn, NULL);
|
---|
| 566 | if (RT_SUCCESS(rc))
|
---|
| 567 | {
|
---|
| 568 | DBGFADDRESS AddrCall;
|
---|
| 569 | if (dbgDiggerWinNtDbgPrintWrapperInsnIsCall(pThis, pUVM, &AddrInsn, &AddrCall))
|
---|
| 570 | {
|
---|
| 571 | if (!fCallFound)
|
---|
| 572 | {
|
---|
| 573 | *pAddr = AddrCall;
|
---|
| 574 | fCallFound = true;
|
---|
| 575 | }
|
---|
| 576 | else
|
---|
| 577 | {
|
---|
| 578 | LogRel(("DigWinNt/DbgPrint: nt!vDbgPrintEx contains multiple call instructions!\n"));
|
---|
| 579 | rc = VERR_ALREADY_EXISTS;
|
---|
| 580 | }
|
---|
| 581 | }
|
---|
| 582 | }
|
---|
| 583 | }
|
---|
| 584 |
|
---|
| 585 | DBGFR3FlowBbRelease(hBb);
|
---|
| 586 | }
|
---|
| 587 |
|
---|
| 588 | return rc;
|
---|
| 589 | }
|
---|
| 590 |
|
---|
| 591 |
|
---|
| 592 | /**
|
---|
| 593 | * Tries to resolve and hook into the worker for all the DbgPrint like wrappers to be able
|
---|
| 594 | * to gather debug information from the system.
|
---|
| 595 | *
|
---|
| 596 | * @param pThis The instance data.
|
---|
| 597 | * @param pUVM The user mode VM handle.
|
---|
| 598 | */
|
---|
| 599 | static void dbgDiggerWinNtDbgPrintHook(PDBGDIGGERWINNT pThis, PUVM pUVM)
|
---|
| 600 | {
|
---|
| 601 | /*
|
---|
| 602 | * This is a multi step process:
|
---|
| 603 | * 1. Try to resolve the address of vDbgPrint() (available since XP).
|
---|
| 604 | * 2. Create a control flow graph from the code and verify the following assumptions:
|
---|
| 605 | * 1. Only a single basic block.
|
---|
| 606 | * 2. Just one call instruction.
|
---|
| 607 | * @todo More?
|
---|
| 608 | * 3. Get the address from the called worker
|
---|
| 609 | * 4. Set a hardware breakpoint with our callback.
|
---|
| 610 | */
|
---|
| 611 | RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, DBGF_AS_KERNEL);
|
---|
| 612 | if (hAs != NIL_RTDBGAS)
|
---|
| 613 | {
|
---|
| 614 | RTDBGSYMBOL SymInfo;
|
---|
| 615 | int rc = RTDbgAsSymbolByName(hAs, "nt!vDbgPrintEx", &SymInfo, NULL /*phMod*/);
|
---|
| 616 | if (RT_SUCCESS(rc))
|
---|
| 617 | {
|
---|
| 618 | DBGFADDRESS Addr;
|
---|
| 619 | DBGFR3AddrFromFlat(pUVM, &Addr, (RTGCPTR)SymInfo.Value);
|
---|
| 620 |
|
---|
| 621 | LogRel(("DigWinNt/DbgPrint: nt!vDbgPrintEx resolved to %RGv\n", SymInfo.Value));
|
---|
| 622 |
|
---|
| 623 | DBGFFLOW hCfg;
|
---|
| 624 | rc = DBGFR3FlowCreate(pUVM, 0 /*idCpu*/, &Addr, 512 /*cbDisasmMax*/,
|
---|
| 625 | 0 /*fFlagsFlow*/, DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED | DBGF_DISAS_FLAGS_DEFAULT_MODE,
|
---|
| 626 | &hCfg);
|
---|
| 627 | if (RT_SUCCESS(rc))
|
---|
| 628 | {
|
---|
| 629 | /* Verify assumptions. */
|
---|
| 630 | if (DBGFR3FlowGetBbCount(hCfg) == 1)
|
---|
| 631 | {
|
---|
| 632 | rc = dbgDiggerWinNtDbgPrintResolveWorker(pThis, pUVM, hCfg, &Addr);
|
---|
| 633 | if (RT_SUCCESS(rc))
|
---|
| 634 | {
|
---|
| 635 | /* Try to hook the worker. */
|
---|
| 636 | LogRel(("DigWinNt/DbgPrint: Worker for nt!vDbgPrintEx resolved to %RGv\n", Addr.FlatPtr));
|
---|
| 637 | rc = DBGFR3BpOwnerCreate(pUVM, dbgDiggerWinNtDbgPrintHit, NULL /*pfnBpIoHit*/, &pThis->hBpOwnerDbgPrint);
|
---|
| 638 | if (RT_SUCCESS(rc))
|
---|
| 639 | {
|
---|
| 640 | rc = DBGFR3BpSetInt3Ex(pUVM, pThis->hBpOwnerDbgPrint, pThis, 0 /*idCpu*/, &Addr, DBGF_BP_F_DEFAULT,
|
---|
| 641 | 0 /*iHitTrigger*/, 0 /*iHitDisable*/, &pThis->hBpDbgPrint);
|
---|
| 642 | if (RT_SUCCESS(rc))
|
---|
| 643 | LogRel(("DigWinNt/DbgPrint: Hooked nt!vDbgPrintEx worker hBp=%#x\n", pThis->hBpDbgPrint));
|
---|
| 644 | else
|
---|
| 645 | {
|
---|
| 646 | LogRel(("DigWinNt/DbgPrint: Setting hardware breakpoint for nt!vDbgPrintEx worker failed with rc=%Rrc\n", rc));
|
---|
| 647 | int rc2 = DBGFR3BpOwnerDestroy(pUVM, pThis->hBpOwnerDbgPrint);
|
---|
| 648 | pThis->hBpOwnerDbgPrint = NIL_DBGFBPOWNER;
|
---|
| 649 | AssertRC(rc2);
|
---|
| 650 | }
|
---|
| 651 | }
|
---|
| 652 | }
|
---|
| 653 | /* else LogRel() already done */
|
---|
| 654 | }
|
---|
| 655 | else
|
---|
| 656 | LogRel(("DigWinNt/DbgPrint: Control flow graph for nt!vDbgPrintEx has more than one basic block (%u)\n",
|
---|
| 657 | DBGFR3FlowGetBbCount(hCfg)));
|
---|
| 658 |
|
---|
| 659 | DBGFR3FlowRelease(hCfg);
|
---|
| 660 | }
|
---|
| 661 | else
|
---|
| 662 | LogRel(("DigWinNt/DbgPrint: Failed to create control flow graph from nt!vDbgPrintEx rc=%Rrc\n", rc));
|
---|
| 663 | }
|
---|
| 664 | else
|
---|
| 665 | LogRel(("DigWinNt/DbgPrint: Failed to resolve nt!vDbgPrintEx -> rc=%Rrc\n", rc));
|
---|
| 666 | RTDbgAsRelease(hAs);
|
---|
| 667 | }
|
---|
| 668 | else
|
---|
| 669 | LogRel(("DigWinNt/DbgPrint: Failed to resolve kernel address space handle\n"));
|
---|
| 670 | }
|
---|
| 671 |
|
---|
[105532] | 672 | #endif /* VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING */
|
---|
| 673 |
|
---|
[96867] | 674 | /**
|
---|
[86103] | 675 | * Tries to resolve the KPCR and KPCRB addresses for each vCPU.
|
---|
| 676 | *
|
---|
| 677 | * @param pThis The instance data.
|
---|
| 678 | * @param pUVM The user mode VM handle.
|
---|
[93470] | 679 | * @param pVMM The VMM function table.
|
---|
[86103] | 680 | */
|
---|
[93470] | 681 | static void dbgDiggerWinNtResolveKpcr(PDBGDIGGERWINNT pThis, PUVM pUVM, PCVMMR3VTABLE pVMM)
|
---|
[86103] | 682 | {
|
---|
[86162] | 683 | /*
|
---|
| 684 | * Getting at the KPCR and KPCRB is explained here:
|
---|
| 685 | * https://www.geoffchappell.com/studies/windows/km/ntoskrnl/structs/kpcr.htm
|
---|
| 686 | * Together with the available offsets from:
|
---|
| 687 | * https://github.com/tpn/winsdk-10/blob/master/Include/10.0.16299.0/shared/ksamd64.inc#L883
|
---|
| 688 | * we can verify that the found addresses are valid by cross checking that the GDTR and self reference
|
---|
| 689 | * match what we expect.
|
---|
| 690 | */
|
---|
[93470] | 691 | VMCPUID cCpus = pVMM->pfnDBGFR3CpuGetCount(pUVM);
|
---|
[86162] | 692 | pThis->paKpcrAddr = (PDBGFADDRESS)RTMemAllocZ(cCpus * 2 * sizeof(DBGFADDRESS));
|
---|
| 693 | if (RT_LIKELY(pThis->paKpcrAddr))
|
---|
[86103] | 694 | {
|
---|
[86162] | 695 | pThis->paKpcrbAddr = &pThis->paKpcrAddr[cCpus];
|
---|
| 696 |
|
---|
| 697 | /* Work each CPU, unexpected values in each CPU make the whole thing fail to play safe. */
|
---|
| 698 | int rc = VINF_SUCCESS;
|
---|
| 699 | for (VMCPUID idCpu = 0; (idCpu < cCpus) && RT_SUCCESS(rc); idCpu++)
|
---|
[86103] | 700 | {
|
---|
[86162] | 701 | PDBGFADDRESS pKpcrAddr = &pThis->paKpcrAddr[idCpu];
|
---|
| 702 | PDBGFADDRESS pKpcrbAddr = &pThis->paKpcrbAddr[idCpu];
|
---|
[86103] | 703 |
|
---|
[86162] | 704 | if (pThis->f32Bit)
|
---|
[86103] | 705 | {
|
---|
[86162] | 706 | /* Read FS base */
|
---|
| 707 | uint32_t GCPtrKpcrBase = 0;
|
---|
[86103] | 708 |
|
---|
[93470] | 709 | rc = pVMM->pfnDBGFR3RegCpuQueryU32(pUVM, idCpu, DBGFREG_FS_BASE, &GCPtrKpcrBase);
|
---|
[86162] | 710 | if ( RT_SUCCESS(rc)
|
---|
[86164] | 711 | && WINNT32_VALID_ADDRESS(GCPtrKpcrBase))
|
---|
[86162] | 712 | {
|
---|
| 713 | /*
|
---|
| 714 | * Read the start of the KPCR (@todo Probably move this to a global header)
|
---|
| 715 | * and verify its content.
|
---|
| 716 | */
|
---|
| 717 | struct
|
---|
| 718 | {
|
---|
| 719 | uint8_t abOoi[28]; /* Out of interest */
|
---|
| 720 | uint32_t GCPtrSelf;
|
---|
| 721 | uint32_t GCPtrCurrentPrcb;
|
---|
| 722 | uint32_t u32Irql;
|
---|
| 723 | uint32_t u32Iir;
|
---|
| 724 | uint32_t u32IirActive;
|
---|
| 725 | uint32_t u32Idr;
|
---|
| 726 | uint32_t GCPtrKdVersionBlock;
|
---|
| 727 | uint32_t GCPtrIdt;
|
---|
| 728 | uint32_t GCPtrGdt;
|
---|
| 729 | uint32_t GCPtrTss;
|
---|
| 730 | } Kpcr;
|
---|
| 731 |
|
---|
| 732 | LogFlow(("DigWinNt/KPCR[%u]: GS Base %RGv\n", idCpu, GCPtrKpcrBase));
|
---|
[93470] | 733 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, pKpcrAddr, GCPtrKpcrBase);
|
---|
[86162] | 734 |
|
---|
[93470] | 735 | rc = pVMM->pfnDBGFR3MemRead(pUVM, idCpu, pKpcrAddr, &Kpcr, sizeof(Kpcr));
|
---|
[86162] | 736 | if (RT_SUCCESS(rc))
|
---|
| 737 | {
|
---|
| 738 | uint32_t GCPtrGdt = 0;
|
---|
| 739 | uint32_t GCPtrIdt = 0;
|
---|
| 740 |
|
---|
[93470] | 741 | rc = pVMM->pfnDBGFR3RegCpuQueryU32(pUVM, idCpu, DBGFREG_GDTR_BASE, &GCPtrGdt);
|
---|
[86162] | 742 | if (RT_SUCCESS(rc))
|
---|
[93470] | 743 | rc = pVMM->pfnDBGFR3RegCpuQueryU32(pUVM, idCpu, DBGFREG_IDTR_BASE, &GCPtrIdt);
|
---|
[86162] | 744 | if (RT_SUCCESS(rc))
|
---|
| 745 | {
|
---|
| 746 | if ( Kpcr.GCPtrGdt == GCPtrGdt
|
---|
| 747 | && Kpcr.GCPtrIdt == GCPtrIdt
|
---|
| 748 | && Kpcr.GCPtrSelf == pKpcrAddr->FlatPtr)
|
---|
| 749 | {
|
---|
[93470] | 750 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, pKpcrbAddr, Kpcr.GCPtrCurrentPrcb);
|
---|
[86162] | 751 | LogRel(("DigWinNt/KPCR[%u]: KPCR=%RGv KPCRB=%RGv\n", idCpu, pKpcrAddr->FlatPtr, pKpcrbAddr->FlatPtr));
|
---|
| 752 |
|
---|
| 753 | /*
|
---|
| 754 | * Try to extract the NT build number from the KD version block if it exists,
|
---|
| 755 | * the shared user data might have set it to 0.
|
---|
| 756 | *
|
---|
| 757 | * @todo We can use this method to get at the kern base and loaded module list if the other detection
|
---|
| 758 | * method fails (seen with Windows 10 x86).
|
---|
| 759 | * @todo On 32bit Windows the debugger data list is also always accessible this way contrary to
|
---|
| 760 | * the amd64 version where it is only available with "/debug on" set.
|
---|
| 761 | */
|
---|
| 762 | if (!pThis->NtBuildNumber)
|
---|
| 763 | {
|
---|
| 764 | NTKDVERSIONBLOCK KdVersBlock;
|
---|
| 765 | DBGFADDRESS AddrKdVersBlock;
|
---|
| 766 |
|
---|
[93470] | 767 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &AddrKdVersBlock, Kpcr.GCPtrKdVersionBlock);
|
---|
| 768 | rc = pVMM->pfnDBGFR3MemRead(pUVM, idCpu, &AddrKdVersBlock, &KdVersBlock, sizeof(KdVersBlock));
|
---|
[86162] | 769 | if (RT_SUCCESS(rc))
|
---|
| 770 | pThis->NtBuildNumber = KdVersBlock.MinorVersion;
|
---|
| 771 | }
|
---|
| 772 | }
|
---|
| 773 | else
|
---|
| 774 | LogRel(("DigWinNt/KPCR[%u]: KPCR validation error GDT=(%RGv vs %RGv) KPCR=(%RGv vs %RGv)\n", idCpu,
|
---|
| 775 | Kpcr.GCPtrGdt, GCPtrGdt, Kpcr.GCPtrSelf, pKpcrAddr->FlatPtr));
|
---|
| 776 | }
|
---|
| 777 | else
|
---|
| 778 | LogRel(("DigWinNt/KPCR[%u]: Getting GDT or IDT base register failed with %Rrc\n", idCpu, rc));
|
---|
| 779 | }
|
---|
| 780 | }
|
---|
| 781 | else
|
---|
| 782 | LogRel(("DigWinNt/KPCR[%u]: Getting FS base register failed with %Rrc (%RGv)\n", idCpu, rc, GCPtrKpcrBase));
|
---|
| 783 | }
|
---|
| 784 | else
|
---|
| 785 | {
|
---|
[86103] | 786 | /* Read GS base which points to the base of the KPCR for each CPU. */
|
---|
| 787 | RTGCUINTPTR GCPtrTmp = 0;
|
---|
[93470] | 788 | rc = pVMM->pfnDBGFR3RegCpuQueryU64(pUVM, idCpu, DBGFREG_GS_BASE, &GCPtrTmp);
|
---|
[86162] | 789 | if ( RT_SUCCESS(rc)
|
---|
[86164] | 790 | && !WINNT64_VALID_ADDRESS(GCPtrTmp))
|
---|
[86103] | 791 | {
|
---|
[86162] | 792 | /*
|
---|
| 793 | * Could be a user address when we stopped the VM right in usermode,
|
---|
| 794 | * read the GS kernel base MSR instead.
|
---|
| 795 | */
|
---|
[93470] | 796 | rc = pVMM->pfnDBGFR3RegCpuQueryU64(pUVM, idCpu, DBGFREG_MSR_K8_KERNEL_GS_BASE, &GCPtrTmp);
|
---|
[86162] | 797 | }
|
---|
| 798 |
|
---|
| 799 | if ( RT_SUCCESS(rc)
|
---|
[86164] | 800 | && WINNT64_VALID_ADDRESS(GCPtrTmp))
|
---|
[86162] | 801 | {
|
---|
[86106] | 802 | LogFlow(("DigWinNt/KPCR[%u]: GS Base %RGv\n", idCpu, GCPtrTmp));
|
---|
[93470] | 803 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, pKpcrAddr, GCPtrTmp);
|
---|
[86103] | 804 |
|
---|
[93470] | 805 | rc = pVMM->pfnDBGFR3RegCpuQueryU64(pUVM, idCpu, DBGFREG_GDTR_BASE, &GCPtrTmp);
|
---|
[86103] | 806 | if (RT_SUCCESS(rc))
|
---|
| 807 | {
|
---|
| 808 | /*
|
---|
| 809 | * Read the start of the KPCR (@todo Probably move this to a global header)
|
---|
| 810 | * and verify its content.
|
---|
| 811 | */
|
---|
| 812 | struct
|
---|
| 813 | {
|
---|
| 814 | RTGCUINTPTR GCPtrGdt;
|
---|
| 815 | RTGCUINTPTR GCPtrTss;
|
---|
| 816 | RTGCUINTPTR GCPtrUserRsp;
|
---|
| 817 | RTGCUINTPTR GCPtrSelf;
|
---|
| 818 | RTGCUINTPTR GCPtrCurrentPrcb;
|
---|
| 819 | } Kpcr;
|
---|
| 820 |
|
---|
[93470] | 821 | rc = pVMM->pfnDBGFR3MemRead(pUVM, idCpu, pKpcrAddr, &Kpcr, sizeof(Kpcr));
|
---|
[86103] | 822 | if (RT_SUCCESS(rc))
|
---|
| 823 | {
|
---|
| 824 | if ( Kpcr.GCPtrGdt == GCPtrTmp
|
---|
| 825 | && Kpcr.GCPtrSelf == pKpcrAddr->FlatPtr
|
---|
| 826 | /** @todo && TSS */ )
|
---|
| 827 | {
|
---|
[93470] | 828 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, pKpcrbAddr, Kpcr.GCPtrCurrentPrcb);
|
---|
[86103] | 829 | LogRel(("DigWinNt/KPCR[%u]: KPCR=%RGv KPCRB=%RGv\n", idCpu, pKpcrAddr->FlatPtr, pKpcrbAddr->FlatPtr));
|
---|
| 830 | }
|
---|
| 831 | else
|
---|
[86162] | 832 | LogRel(("DigWinNt/KPCR[%u]: KPCR validation error GDT=(%RGv vs %RGv) KPCR=(%RGv vs %RGv)\n", idCpu,
|
---|
[86103] | 833 | Kpcr.GCPtrGdt, GCPtrTmp, Kpcr.GCPtrSelf, pKpcrAddr->FlatPtr));
|
---|
| 834 | }
|
---|
| 835 | else
|
---|
| 836 | LogRel(("DigWinNt/KPCR[%u]: Reading KPCR start at %RGv failed with %Rrc\n", idCpu, pKpcrAddr->FlatPtr, rc));
|
---|
| 837 | }
|
---|
| 838 | else
|
---|
| 839 | LogRel(("DigWinNt/KPCR[%u]: Getting GDT base register failed with %Rrc\n", idCpu, rc));
|
---|
| 840 | }
|
---|
| 841 | else
|
---|
| 842 | LogRel(("DigWinNt/KPCR[%u]: Getting GS base register failed with %Rrc\n", idCpu, rc));
|
---|
| 843 | }
|
---|
[86162] | 844 | }
|
---|
[86103] | 845 |
|
---|
[86162] | 846 | if (RT_FAILURE(rc))
|
---|
| 847 | {
|
---|
| 848 | LogRel(("DigWinNt/KPCR: Failed to detmine KPCR and KPCRB rc=%Rrc\n", rc));
|
---|
| 849 | RTMemFree(pThis->paKpcrAddr);
|
---|
| 850 | pThis->paKpcrAddr = NULL;
|
---|
| 851 | pThis->paKpcrbAddr = NULL;
|
---|
[86103] | 852 | }
|
---|
| 853 | }
|
---|
[86162] | 854 | else
|
---|
| 855 | LogRel(("DigWinNt/KPCR: Failed to allocate %u entries for the KPCR/KPCRB addresses\n", cCpus * 2));
|
---|
[86103] | 856 | }
|
---|
| 857 |
|
---|
| 858 |
|
---|
| 859 | /**
|
---|
[105532] | 860 | * Checks if the given headers are for the BootMgr image loaded very early
|
---|
| 861 | * during the BIOS boot process.
|
---|
| 862 | */
|
---|
| 863 | static bool dbgDiggerWinNtIsBootMgr(PUVM pUVM, PCVMMR3VTABLE pVMM, PCDBGFADDRESS pAddr,
|
---|
| 864 | uint8_t const *pbHdrs, size_t cbHdrs, uint32_t *pcbImage)
|
---|
| 865 | {
|
---|
| 866 | if (pcbImage)
|
---|
| 867 | *pcbImage = 0;
|
---|
| 868 |
|
---|
| 869 | /*
|
---|
| 870 | * Check and skip the DOS header.
|
---|
| 871 | */
|
---|
| 872 | AssertReturn(sizeof(IMAGE_DOS_HEADER) + sizeof(IMAGE_NT_HEADERS32) < cbHdrs, false);
|
---|
| 873 | IMAGE_DOS_HEADER const * const pMzHdr = (IMAGE_DOS_HEADER const *)pbHdrs;
|
---|
| 874 | if ( pMzHdr->e_magic != IMAGE_DOS_SIGNATURE
|
---|
| 875 | || pMzHdr->e_lfanew < 0x40
|
---|
| 876 | || pMzHdr->e_lfanew > 0x400)
|
---|
| 877 | return false;
|
---|
| 878 |
|
---|
| 879 | /*
|
---|
| 880 | * Check the NT headers.
|
---|
| 881 | */
|
---|
| 882 | AssertReturn(pMzHdr->e_lfanew + sizeof(IMAGE_NT_HEADERS32) <= cbHdrs, false);
|
---|
| 883 | IMAGE_NT_HEADERS32 const * const pHdrs = (PCIMAGE_NT_HEADERS32)&pbHdrs[pMzHdr->e_lfanew];
|
---|
| 884 | if (pHdrs->Signature != IMAGE_NT_SIGNATURE)
|
---|
| 885 | return false;
|
---|
| 886 | /* Not so many sections here, typically 3: */
|
---|
| 887 | if ( pHdrs->FileHeader.NumberOfSections <= 1
|
---|
| 888 | || pHdrs->FileHeader.NumberOfSections >= 6)
|
---|
| 889 | return false;
|
---|
| 890 | if ( pHdrs->FileHeader.Machine != IMAGE_FILE_MACHINE_I386
|
---|
| 891 | || pHdrs->FileHeader.SizeOfOptionalHeader != sizeof(pHdrs->OptionalHeader))
|
---|
| 892 | return false;
|
---|
| 893 | if (pHdrs->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
|
---|
| 894 | return false;
|
---|
| 895 | if (pHdrs->OptionalHeader.NumberOfRvaAndSizes != IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
|
---|
| 896 | return false;
|
---|
| 897 | /* Special subsystem with version 1.0: */
|
---|
| 898 | /** @todo which subsystem type does pre win11 use? (this is win11/amd64) */
|
---|
| 899 | if (pHdrs->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION)
|
---|
| 900 | return false;
|
---|
| 901 | if ( pHdrs->OptionalHeader.MajorSubsystemVersion != 1
|
---|
| 902 | || pHdrs->OptionalHeader.MinorSubsystemVersion != 0)
|
---|
| 903 | return false;
|
---|
| 904 | /* Image OS version and windows version value are all zero: */
|
---|
| 905 | if ( pHdrs->OptionalHeader.MajorOperatingSystemVersion != 0
|
---|
| 906 | || pHdrs->OptionalHeader.MinorOperatingSystemVersion != 0
|
---|
| 907 | || pHdrs->OptionalHeader.Win32VersionValue != 0)
|
---|
| 908 | return false;
|
---|
| 909 | /* DLL image with 32-bit machine code: */
|
---|
| 910 | if ( (pHdrs->FileHeader.Characteristics & (IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL | IMAGE_FILE_32BIT_MACHINE))
|
---|
| 911 | != (IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL | IMAGE_FILE_32BIT_MACHINE))
|
---|
| 912 | return false;
|
---|
| 913 | /* No imports: */
|
---|
| 914 | if ( pHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].Size != 0
|
---|
| 915 | || pHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT].Size != 0)
|
---|
| 916 | return false;
|
---|
| 917 | /* Has a bunch of exports ('BootLib.dll'), for win11/amd64 it's 2630 bytes: */
|
---|
| 918 | IMAGE_DATA_DIRECTORY const ExpRvaSize = pHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT]; /* cache for later */
|
---|
| 919 | if (ExpRvaSize.Size < 1024)
|
---|
| 920 | return false;
|
---|
| 921 | if ((uint64_t)ExpRvaSize.VirtualAddress + ExpRvaSize.Size > pHdrs->OptionalHeader.SizeOfImage)
|
---|
| 922 | return false;
|
---|
| 923 | /* Check the image size is reasonable (win11/amd64 is 872448): */
|
---|
| 924 | /** @todo adjust for older windows versions... */
|
---|
| 925 | if ( pHdrs->OptionalHeader.SizeOfImage < _64K
|
---|
| 926 | || pHdrs->OptionalHeader.SizeOfImage > _4M)
|
---|
| 927 | return false;
|
---|
| 928 | /* The image base is 0x00400000 (relocations typically stripped): */
|
---|
| 929 | if (pHdrs->OptionalHeader.ImageBase != UINT32_C(0x00400000))
|
---|
| 930 | return false;
|
---|
| 931 |
|
---|
| 932 | /*
|
---|
| 933 | * Final check is that export directory name is 'BootLib.dll'.
|
---|
| 934 | */
|
---|
| 935 | static char const s_szBootLibDll[] = "BootLib.dll";
|
---|
| 936 | DBGFADDRESS Addr2;
|
---|
| 937 | IMAGE_EXPORT_DIRECTORY ExpDir;
|
---|
| 938 | int rc = pVMM->pfnDBGFR3MemRead(pUVM, 0,
|
---|
| 939 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr2, pAddr->FlatPtr + ExpRvaSize.VirtualAddress),
|
---|
| 940 | &ExpDir, sizeof(ExpDir));
|
---|
| 941 | if (RT_FAILURE(rc))
|
---|
| 942 | return false;
|
---|
| 943 | /* There ought to be a few named exports here (win11 has 94): */
|
---|
| 944 | if (ExpDir.NumberOfNames < 48 || ExpDir.NumberOfNames > _4K)
|
---|
| 945 | return false;
|
---|
| 946 |
|
---|
| 947 | if ( ExpDir.Name < pMzHdr->e_lfanew + pHdrs->OptionalHeader.SizeOfHeaders
|
---|
| 948 | || (uint64_t)ExpDir.Name + sizeof(s_szBootLibDll) > pHdrs->OptionalHeader.SizeOfImage)
|
---|
| 949 | return false;
|
---|
| 950 |
|
---|
| 951 | char szActualName[sizeof(s_szBootLibDll)];
|
---|
| 952 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0, pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr2, pAddr->FlatPtr + ExpDir.Name),
|
---|
| 953 | &szActualName, sizeof(szActualName));
|
---|
| 954 | if (RT_FAILURE(rc))
|
---|
| 955 | return false;
|
---|
| 956 | if (szActualName[sizeof(s_szBootLibDll) - 1] != '\0')
|
---|
| 957 | return false;
|
---|
| 958 | if (RTStrICmpAscii(szActualName, s_szBootLibDll) != 0)
|
---|
| 959 | return false;
|
---|
| 960 |
|
---|
| 961 | if (pcbImage)
|
---|
| 962 | *pcbImage = pHdrs->OptionalHeader.SizeOfImage;
|
---|
| 963 | return true;
|
---|
| 964 | }
|
---|
| 965 |
|
---|
| 966 |
|
---|
| 967 | /**
|
---|
| 968 | * Checks if the given headers are for the WinLoad.exe/efi image loaded very
|
---|
| 969 | * early during the BIOS or EFI boot process.
|
---|
| 970 | */
|
---|
| 971 | static bool dbgDiggerWinNtIsWinLoad(PUVM pUVM, PCVMMR3VTABLE pVMM, PCDBGFADDRESS pAddr, uint8_t const *pbHdrs, size_t cbHdrs,
|
---|
| 972 | bool *pf32Bit, uint32_t *pcbImage, uint32_t *puNtMajorVersion, uint32_t *puNtMinorVersion)
|
---|
| 973 | {
|
---|
| 974 | if (pf32Bit)
|
---|
| 975 | *pf32Bit = false;
|
---|
| 976 | if (pcbImage)
|
---|
| 977 | *pcbImage = 0;
|
---|
| 978 | if (puNtMajorVersion)
|
---|
| 979 | *puNtMajorVersion = 0;
|
---|
| 980 | if (puNtMinorVersion)
|
---|
| 981 | *puNtMinorVersion = 0;
|
---|
| 982 |
|
---|
| 983 | /*
|
---|
| 984 | * Check and skip the DOS header.
|
---|
| 985 | */
|
---|
| 986 | AssertReturn(sizeof(IMAGE_DOS_HEADER) + sizeof(IMAGE_NT_HEADERS64) < cbHdrs, false);
|
---|
| 987 | IMAGE_DOS_HEADER const * const pMzHdr = (IMAGE_DOS_HEADER const *)pbHdrs;
|
---|
| 988 | if ( pMzHdr->e_magic != IMAGE_DOS_SIGNATURE
|
---|
| 989 | || pMzHdr->e_lfanew < 0x40
|
---|
| 990 | || pMzHdr->e_lfanew > 0x400)
|
---|
| 991 | return false;
|
---|
| 992 |
|
---|
| 993 | /*
|
---|
| 994 | * Check the NT headers.
|
---|
| 995 | *
|
---|
| 996 | * ASSUMES that the 64-bit and 32-bit optional headers match up to
|
---|
| 997 | * SizeOfStackReserve, if you exclude ImageBase and BaseOfData.
|
---|
| 998 | */
|
---|
| 999 | AssertReturn(pMzHdr->e_lfanew + sizeof(IMAGE_NT_HEADERS64) <= cbHdrs, false);
|
---|
| 1000 | IMAGE_NT_HEADERS32 const * const pHdrs32 = (PCIMAGE_NT_HEADERS32)&pbHdrs[pMzHdr->e_lfanew];
|
---|
| 1001 | IMAGE_NT_HEADERS64 const * const pHdrs64 = (PCIMAGE_NT_HEADERS64)&pbHdrs[pMzHdr->e_lfanew];
|
---|
| 1002 | if (pHdrs32->Signature != IMAGE_NT_SIGNATURE)
|
---|
| 1003 | return false;
|
---|
| 1004 | /* There are a few extra sections here, but not too many: */
|
---|
| 1005 | if ( pHdrs32->FileHeader.NumberOfSections <= 4
|
---|
| 1006 | || pHdrs32->FileHeader.NumberOfSections >= 15)
|
---|
| 1007 | return false;
|
---|
| 1008 | bool f32Bit;
|
---|
| 1009 | if (pHdrs32->FileHeader.Machine == IMAGE_FILE_MACHINE_I386)
|
---|
| 1010 | f32Bit = true;
|
---|
| 1011 | else if (pHdrs32->FileHeader.Machine == IMAGE_FILE_MACHINE_AMD64)
|
---|
| 1012 | f32Bit = false;
|
---|
| 1013 | else
|
---|
| 1014 | return false;
|
---|
| 1015 | if (pHdrs32->FileHeader.SizeOfOptionalHeader != (f32Bit ? sizeof(IMAGE_OPTIONAL_HEADER32) : sizeof(IMAGE_OPTIONAL_HEADER64)))
|
---|
| 1016 | return false;
|
---|
| 1017 | if (pHdrs32->OptionalHeader.Magic != (f32Bit ? IMAGE_NT_OPTIONAL_HDR32_MAGIC : IMAGE_NT_OPTIONAL_HDR64_MAGIC))
|
---|
| 1018 | return false;
|
---|
| 1019 | /* Special subsystem with version 6.0 or later: */
|
---|
| 1020 | /** @todo which subsystem type does pre win11 use? (this is win11/amd64) */
|
---|
| 1021 | if (pHdrs32->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION)
|
---|
| 1022 | return false;
|
---|
| 1023 | if (pHdrs32->OptionalHeader.MajorSubsystemVersion < 6)
|
---|
| 1024 | return false;
|
---|
| 1025 | /* Image OS version and windows version value are all zero: */
|
---|
| 1026 | if ( pHdrs32->OptionalHeader.MajorOperatingSystemVersion != 0
|
---|
| 1027 | || pHdrs32->OptionalHeader.MinorOperatingSystemVersion != 0
|
---|
| 1028 | || pHdrs32->OptionalHeader.Win32VersionValue != 0)
|
---|
| 1029 | return false;
|
---|
| 1030 | /* DLL image: */
|
---|
| 1031 | if ( (pHdrs32->FileHeader.Characteristics & (IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL))
|
---|
| 1032 | != (IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL))
|
---|
| 1033 | return false;
|
---|
| 1034 | /* Check the image size is reasonable (win11/amd64 is 1769472 for BIOS and ~2MB for EFI): */
|
---|
| 1035 | /** @todo adjust for older windows versions... */
|
---|
| 1036 | if ( pHdrs32->OptionalHeader.SizeOfImage < _1M
|
---|
| 1037 | || pHdrs32->OptionalHeader.SizeOfImage > _8M)
|
---|
| 1038 | return false;
|
---|
| 1039 |
|
---|
| 1040 | /* The rest of the fields differs in placement between 32-bit and 64-bit. */
|
---|
| 1041 |
|
---|
| 1042 | if ( (f32Bit ? pHdrs32->OptionalHeader.NumberOfRvaAndSizes : pHdrs64->OptionalHeader.NumberOfRvaAndSizes)
|
---|
| 1043 | != IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
|
---|
| 1044 | return false;
|
---|
| 1045 |
|
---|
| 1046 | /* No imports: */
|
---|
| 1047 | IMAGE_DATA_DIRECTORY const * const paDataDirs = f32Bit
|
---|
| 1048 | ? pHdrs32->OptionalHeader.DataDirectory : pHdrs64->OptionalHeader.DataDirectory;
|
---|
| 1049 | if ( paDataDirs[IMAGE_DIRECTORY_ENTRY_IMPORT].Size != 0
|
---|
| 1050 | || paDataDirs[IMAGE_DIRECTORY_ENTRY_IAT].Size != 0)
|
---|
| 1051 | return false;
|
---|
| 1052 | /* Has a bunch of exports ('winload.sys'), for win11/amd64 it's 11734 bytes: */
|
---|
| 1053 | IMAGE_DATA_DIRECTORY const ExpRvaSize = paDataDirs[IMAGE_DIRECTORY_ENTRY_EXPORT]; /* cache for later */
|
---|
| 1054 | if (ExpRvaSize.Size < 1024)
|
---|
| 1055 | return false;
|
---|
| 1056 | if ((uint64_t)ExpRvaSize.VirtualAddress + ExpRvaSize.Size > pHdrs32->OptionalHeader.SizeOfImage)
|
---|
| 1057 | return false;
|
---|
| 1058 |
|
---|
| 1059 | /*
|
---|
| 1060 | * Final check is that export directory name is 'winload.sys'.
|
---|
| 1061 | */
|
---|
| 1062 | static char const s_szWinLoadSys[] = "winload.sys";
|
---|
| 1063 | DBGFADDRESS Addr2;
|
---|
| 1064 | IMAGE_EXPORT_DIRECTORY ExpDir;
|
---|
| 1065 | int rc = pVMM->pfnDBGFR3MemRead(pUVM, 0,
|
---|
| 1066 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr2, pAddr->FlatPtr + ExpRvaSize.VirtualAddress),
|
---|
| 1067 | &ExpDir, sizeof(ExpDir));
|
---|
| 1068 | if (RT_FAILURE(rc))
|
---|
| 1069 | return false;
|
---|
| 1070 | /* There ought to be a few named exports here (win11 has 373): */
|
---|
| 1071 | if (ExpDir.NumberOfNames < 128 || ExpDir.NumberOfNames > _4K)
|
---|
| 1072 | return false;
|
---|
| 1073 |
|
---|
| 1074 | if ( ExpDir.Name < pMzHdr->e_lfanew + pHdrs32->OptionalHeader.SizeOfHeaders
|
---|
| 1075 | || (uint64_t)ExpDir.Name + sizeof(s_szWinLoadSys) > pHdrs32->OptionalHeader.SizeOfImage)
|
---|
| 1076 | return false;
|
---|
| 1077 |
|
---|
| 1078 | char szActualName[sizeof(s_szWinLoadSys)];
|
---|
| 1079 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0, pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr2, pAddr->FlatPtr + ExpDir.Name),
|
---|
| 1080 | &szActualName, sizeof(szActualName));
|
---|
| 1081 | if (RT_FAILURE(rc))
|
---|
| 1082 | return false;
|
---|
| 1083 | if (szActualName[sizeof(s_szWinLoadSys) - 1] != '\0')
|
---|
| 1084 | return false;
|
---|
| 1085 | if (RTStrICmpAscii(szActualName, s_szWinLoadSys) != 0)
|
---|
| 1086 | return false;
|
---|
| 1087 |
|
---|
| 1088 | if (pf32Bit)
|
---|
| 1089 | *pf32Bit = f32Bit;
|
---|
| 1090 | if (pcbImage)
|
---|
| 1091 | *pcbImage = pHdrs32->OptionalHeader.SizeOfImage;
|
---|
| 1092 | /* Note! We could get more accurate version info from the resource section if we wanted to... */
|
---|
| 1093 | if (puNtMajorVersion)
|
---|
| 1094 | *puNtMajorVersion = pHdrs32->OptionalHeader.MajorSubsystemVersion;
|
---|
| 1095 | if (puNtMinorVersion)
|
---|
| 1096 | *puNtMinorVersion = pHdrs32->OptionalHeader.MinorSubsystemVersion;
|
---|
| 1097 |
|
---|
| 1098 | return true;
|
---|
| 1099 | }
|
---|
| 1100 |
|
---|
| 1101 |
|
---|
| 1102 | /**
|
---|
[31510] | 1103 | * Process a PE image found in guest memory.
|
---|
| 1104 | *
|
---|
[44399] | 1105 | * @param pThis The instance data.
|
---|
| 1106 | * @param pUVM The user mode VM handle.
|
---|
[93470] | 1107 | * @param pVMM The VMM function table.
|
---|
[73491] | 1108 | * @param pszName The module name.
|
---|
| 1109 | * @param pszFilename The image filename.
|
---|
[44399] | 1110 | * @param pImageAddr The image address.
|
---|
| 1111 | * @param cbImage The size of the image.
|
---|
[105532] | 1112 | * @param enmArch Module architecture override. Default is determined
|
---|
| 1113 | * by DBGDIGGERWINNT::f32Bit.
|
---|
[31510] | 1114 | */
|
---|
[93470] | 1115 | static void dbgDiggerWinNtProcessImage(PDBGDIGGERWINNT pThis, PUVM pUVM, PCVMMR3VTABLE pVMM, const char *pszName,
|
---|
[105532] | 1116 | const char *pszFilename, PCDBGFADDRESS pImageAddr, uint32_t cbImage,
|
---|
| 1117 | RTLDRARCH enmArch = RTLDRARCH_WHATEVER)
|
---|
[31510] | 1118 | {
|
---|
| 1119 | LogFlow(("DigWinNt: %RGp %#x %s\n", pImageAddr->FlatPtr, cbImage, pszName));
|
---|
| 1120 |
|
---|
| 1121 | /*
|
---|
| 1122 | * Do some basic validation first.
|
---|
| 1123 | */
|
---|
[70338] | 1124 | if ( (cbImage < sizeof(IMAGE_NT_HEADERS64) && !pThis->fNt31)
|
---|
[31510] | 1125 | || cbImage >= _1M * 256)
|
---|
| 1126 | {
|
---|
| 1127 | Log(("DigWinNt: %s: Bad image size: %#x\n", pszName, cbImage));
|
---|
| 1128 | return;
|
---|
| 1129 | }
|
---|
| 1130 |
|
---|
| 1131 | /*
|
---|
[73416] | 1132 | * Use the common in-memory module reader to create a debug module.
|
---|
[31510] | 1133 | */
|
---|
[105532] | 1134 | if (enmArch == RTLDRARCH_WHATEVER)
|
---|
| 1135 | enmArch = pThis->f32Bit ? RTLDRARCH_X86_32 : RTLDRARCH_AMD64;
|
---|
[73416] | 1136 | RTERRINFOSTATIC ErrInfo;
|
---|
| 1137 | RTDBGMOD hDbgMod = NIL_RTDBGMOD;
|
---|
[93470] | 1138 | int rc = pVMM->pfnDBGFR3ModInMem(pUVM, pImageAddr, pThis->fNt31 ? DBGFMODINMEM_F_PE_NT31 : 0, pszName, pszFilename,
|
---|
[105532] | 1139 | enmArch, cbImage, &hDbgMod, RTErrInfoInitStatic(&ErrInfo));
|
---|
[73416] | 1140 | if (RT_SUCCESS(rc))
|
---|
[45994] | 1141 | {
|
---|
[46083] | 1142 | /*
|
---|
[73416] | 1143 | * Tag the module.
|
---|
[46083] | 1144 | */
|
---|
[73416] | 1145 | rc = RTDbgModSetTag(hDbgMod, DIG_WINNT_MOD_TAG);
|
---|
| 1146 | AssertRC(rc);
|
---|
[46083] | 1147 |
|
---|
[73416] | 1148 | /*
|
---|
| 1149 | * Link the module.
|
---|
| 1150 | */
|
---|
[93470] | 1151 | RTDBGAS hAs = pVMM->pfnDBGFR3AsResolveAndRetain(pUVM, DBGF_AS_KERNEL);
|
---|
[73416] | 1152 | if (hAs != NIL_RTDBGAS)
|
---|
| 1153 | rc = RTDbgAsModuleLink(hAs, hDbgMod, pImageAddr->FlatPtr, RTDBGASLINK_FLAGS_REPLACE /*fFlags*/);
|
---|
| 1154 | else
|
---|
| 1155 | rc = VERR_INTERNAL_ERROR;
|
---|
[104611] | 1156 | if (RT_FAILURE(rc))
|
---|
| 1157 | LogRel(("DigWinNt: %s: Linking module into address space failed with %Rrc\n", pszName, rc));
|
---|
[73416] | 1158 | RTDbgModRelease(hDbgMod);
|
---|
| 1159 | RTDbgAsRelease(hAs);
|
---|
[45994] | 1160 | }
|
---|
[73416] | 1161 | else if (RTErrInfoIsSet(&ErrInfo.Core))
|
---|
| 1162 | Log(("DigWinNt: %s: DBGFR3ModInMem failed: %Rrc - %s\n", pszName, rc, ErrInfo.Core.pszMsg));
|
---|
[31510] | 1163 | else
|
---|
[73416] | 1164 | Log(("DigWinNt: %s: DBGFR3ModInMem failed: %Rrc\n", pszName, rc));
|
---|
[31510] | 1165 | }
|
---|
| 1166 |
|
---|
| 1167 |
|
---|
| 1168 | /**
|
---|
[73493] | 1169 | * Generate a debugger compatible module name from a filename.
|
---|
[73491] | 1170 | *
|
---|
[73493] | 1171 | * @returns Pointer to module name (doesn't need to be pszName).
|
---|
| 1172 | * @param pszFilename The source filename.
|
---|
| 1173 | * @param pszName Buffer to put the module name in.
|
---|
| 1174 | * @param cbName Buffer size.
|
---|
[73491] | 1175 | */
|
---|
| 1176 | static const char *dbgDiggerWintNtFilenameToModuleName(const char *pszFilename, char *pszName, size_t cbName)
|
---|
| 1177 | {
|
---|
| 1178 | /* Skip to the filename part of the filename. :-) */
|
---|
| 1179 | pszFilename = RTPathFilenameEx(pszFilename, RTPATH_STR_F_STYLE_DOS);
|
---|
| 1180 |
|
---|
| 1181 | /* We try use 'nt' for the kernel. */
|
---|
| 1182 | if ( RTStrICmpAscii(pszFilename, "ntoskrnl.exe") == 0
|
---|
| 1183 | || RTStrICmpAscii(pszFilename, "ntkrnlmp.exe") == 0)
|
---|
| 1184 | return "nt";
|
---|
| 1185 |
|
---|
| 1186 |
|
---|
| 1187 | /* Drop the extension if .dll or .sys. */
|
---|
| 1188 | size_t cchFilename = strlen(pszFilename);
|
---|
| 1189 | if ( cchFilename > 4
|
---|
| 1190 | && pszFilename[cchFilename - 4] == '.')
|
---|
| 1191 | {
|
---|
| 1192 | if ( RTStrICmpAscii(&pszFilename[cchFilename - 4], ".sys") == 0
|
---|
| 1193 | || RTStrICmpAscii(&pszFilename[cchFilename - 4], ".dll") == 0)
|
---|
| 1194 | cchFilename -= 4;
|
---|
| 1195 | }
|
---|
| 1196 |
|
---|
| 1197 | /* Copy and do replacements. */
|
---|
| 1198 | if (cchFilename >= cbName)
|
---|
| 1199 | cchFilename = cbName - 1;
|
---|
| 1200 | size_t off;
|
---|
| 1201 | for (off = 0; off < cchFilename; off++)
|
---|
| 1202 | {
|
---|
| 1203 | char ch = pszFilename[off];
|
---|
| 1204 | if (!RT_C_IS_ALNUM(ch))
|
---|
| 1205 | ch = '_';
|
---|
| 1206 | pszName[off] = ch;
|
---|
| 1207 | }
|
---|
| 1208 | pszName[off] = '\0';
|
---|
| 1209 | return pszName;
|
---|
| 1210 | }
|
---|
| 1211 |
|
---|
| 1212 |
|
---|
| 1213 | /**
|
---|
[86103] | 1214 | * @interface_method_impl{DBGFOSIWINNT,pfnQueryVersion}
|
---|
| 1215 | */
|
---|
[93470] | 1216 | static DECLCALLBACK(int) dbgDiggerWinNtIWinNt_QueryVersion(struct DBGFOSIWINNT *pThis, PUVM pUVM, PCVMMR3VTABLE pVMM,
|
---|
[86159] | 1217 | uint32_t *puVersMajor, uint32_t *puVersMinor,
|
---|
| 1218 | uint32_t *puBuildNumber, bool *pf32Bit)
|
---|
[86103] | 1219 | {
|
---|
| 1220 | PDBGDIGGERWINNT pData = RT_FROM_MEMBER(pThis, DBGDIGGERWINNT, IWinNt);
|
---|
[93470] | 1221 | RT_NOREF(pUVM, pVMM);
|
---|
[86103] | 1222 |
|
---|
[86159] | 1223 | if (puVersMajor)
|
---|
| 1224 | *puVersMajor = pData->NtMajorVersion;
|
---|
| 1225 | if (puVersMinor)
|
---|
| 1226 | *puVersMinor = pData->NtMinorVersion;
|
---|
| 1227 | if (puBuildNumber)
|
---|
| 1228 | *puBuildNumber = pData->NtBuildNumber;
|
---|
| 1229 | if (pf32Bit)
|
---|
| 1230 | *pf32Bit = pData->f32Bit;
|
---|
[86103] | 1231 | return VINF_SUCCESS;
|
---|
| 1232 | }
|
---|
| 1233 |
|
---|
| 1234 |
|
---|
| 1235 | /**
|
---|
[86111] | 1236 | * @interface_method_impl{DBGFOSIWINNT,pfnQueryKernelPtrs}
|
---|
[86103] | 1237 | */
|
---|
[93470] | 1238 | static DECLCALLBACK(int) dbgDiggerWinNtIWinNt_QueryKernelPtrs(struct DBGFOSIWINNT *pThis, PUVM pUVM, PCVMMR3VTABLE pVMM,
|
---|
[86103] | 1239 | PRTGCUINTPTR pGCPtrKernBase, PRTGCUINTPTR pGCPtrPsLoadedModuleList)
|
---|
| 1240 | {
|
---|
| 1241 | PDBGDIGGERWINNT pData = RT_FROM_MEMBER(pThis, DBGDIGGERWINNT, IWinNt);
|
---|
[93470] | 1242 | RT_NOREF(pUVM, pVMM);
|
---|
[86103] | 1243 |
|
---|
| 1244 | *pGCPtrKernBase = pData->KernelAddr.FlatPtr;
|
---|
| 1245 | *pGCPtrPsLoadedModuleList = pData->PsLoadedModuleListAddr.FlatPtr;
|
---|
| 1246 | return VINF_SUCCESS;
|
---|
| 1247 | }
|
---|
| 1248 |
|
---|
| 1249 |
|
---|
| 1250 | /**
|
---|
| 1251 | * @interface_method_impl{DBGFOSIWINNT,pfnQueryKpcrForVCpu}
|
---|
| 1252 | */
|
---|
[93470] | 1253 | static DECLCALLBACK(int) dbgDiggerWinNtIWinNt_QueryKpcrForVCpu(struct DBGFOSIWINNT *pThis, PUVM pUVM, PCVMMR3VTABLE pVMM,
|
---|
| 1254 | VMCPUID idCpu, PRTGCUINTPTR pKpcr, PRTGCUINTPTR pKpcrb)
|
---|
[86103] | 1255 | {
|
---|
| 1256 | PDBGDIGGERWINNT pData = RT_FROM_MEMBER(pThis, DBGDIGGERWINNT, IWinNt);
|
---|
| 1257 |
|
---|
| 1258 | if (!pData->paKpcrAddr)
|
---|
| 1259 | return VERR_NOT_SUPPORTED;
|
---|
| 1260 |
|
---|
[93470] | 1261 | AssertReturn(idCpu < pVMM->pfnDBGFR3CpuGetCount(pUVM), VERR_INVALID_CPU_ID);
|
---|
[86103] | 1262 |
|
---|
| 1263 | if (pKpcr)
|
---|
| 1264 | *pKpcr = pData->paKpcrAddr[idCpu].FlatPtr;
|
---|
| 1265 | if (pKpcrb)
|
---|
| 1266 | *pKpcrb = pData->paKpcrbAddr[idCpu].FlatPtr;
|
---|
| 1267 | return VINF_SUCCESS;
|
---|
| 1268 | }
|
---|
| 1269 |
|
---|
| 1270 |
|
---|
| 1271 | /**
|
---|
| 1272 | * @interface_method_impl{DBGFOSIWINNT,pfnQueryCurThrdForVCpu}
|
---|
| 1273 | */
|
---|
[93470] | 1274 | static DECLCALLBACK(int) dbgDiggerWinNtIWinNt_QueryCurThrdForVCpu(struct DBGFOSIWINNT *pThis, PUVM pUVM, PCVMMR3VTABLE pVMM,
|
---|
| 1275 | VMCPUID idCpu, PRTGCUINTPTR pCurThrd)
|
---|
[86103] | 1276 | {
|
---|
| 1277 | PDBGDIGGERWINNT pData = RT_FROM_MEMBER(pThis, DBGDIGGERWINNT, IWinNt);
|
---|
| 1278 |
|
---|
| 1279 | if (!pData->paKpcrAddr)
|
---|
| 1280 | return VERR_NOT_SUPPORTED;
|
---|
| 1281 |
|
---|
[93470] | 1282 | AssertReturn(idCpu < pVMM->pfnDBGFR3CpuGetCount(pUVM), VERR_INVALID_CPU_ID);
|
---|
[86103] | 1283 |
|
---|
| 1284 | DBGFADDRESS AddrCurThrdPtr = pData->paKpcrbAddr[idCpu];
|
---|
[93470] | 1285 | pVMM->pfnDBGFR3AddrAdd(&AddrCurThrdPtr, 0x08); /** @todo Make this prettier. */
|
---|
| 1286 | return pVMM->pfnDBGFR3MemRead(pUVM, idCpu, &AddrCurThrdPtr, pCurThrd, sizeof(*pCurThrd));
|
---|
[86103] | 1287 | }
|
---|
| 1288 |
|
---|
| 1289 |
|
---|
| 1290 | /**
|
---|
[73460] | 1291 | * @copydoc DBGFOSREG::pfnStackUnwindAssist
|
---|
| 1292 | */
|
---|
[93470] | 1293 | static DECLCALLBACK(int) dbgDiggerWinNtStackUnwindAssist(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData, VMCPUID idCpu,
|
---|
| 1294 | PDBGFSTACKFRAME pFrame, PRTDBGUNWINDSTATE pState, PCCPUMCTX pInitialCtx,
|
---|
| 1295 | RTDBGAS hAs, uint64_t *puScratch)
|
---|
[73460] | 1296 | {
|
---|
| 1297 | Assert(pInitialCtx);
|
---|
| 1298 |
|
---|
| 1299 | /*
|
---|
| 1300 | * We want to locate trap frames here. The trap frame structure contains
|
---|
| 1301 | * the 64-bit IRET frame, so given unwind information it's easy to identify
|
---|
| 1302 | * using the return type and frame address.
|
---|
| 1303 | */
|
---|
| 1304 | if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_64BIT)
|
---|
| 1305 | {
|
---|
| 1306 | /*
|
---|
| 1307 | * Is this a trap frame? If so, try read the trap frame.
|
---|
| 1308 | */
|
---|
| 1309 | if ( pFrame->enmReturnType == RTDBGRETURNTYPE_IRET64
|
---|
| 1310 | && !(pFrame->AddrFrame.FlatPtr & 0x7)
|
---|
| 1311 | && WINNT64_VALID_ADDRESS(pFrame->AddrFrame.FlatPtr) )
|
---|
| 1312 | {
|
---|
| 1313 | KTRAP_FRAME_AMD64 TrapFrame;
|
---|
| 1314 | RT_ZERO(TrapFrame);
|
---|
| 1315 | uint64_t const uTrapFrameAddr = pFrame->AddrFrame.FlatPtr
|
---|
| 1316 | - RT_UOFFSETOF(KTRAP_FRAME_AMD64, ErrCdOrXcptFrameOrS);
|
---|
| 1317 | int rc = pState->pfnReadStack(pState, uTrapFrameAddr, sizeof(TrapFrame), &TrapFrame);
|
---|
| 1318 | if (RT_SUCCESS(rc))
|
---|
| 1319 | {
|
---|
| 1320 | /* Valid? Not too much else we can check here (EFlags isn't
|
---|
| 1321 | reliable in manually construct frames). */
|
---|
| 1322 | if (TrapFrame.ExceptionActive <= 2)
|
---|
| 1323 | {
|
---|
| 1324 | pFrame->fFlags |= DBGFSTACKFRAME_FLAGS_TRAP_FRAME;
|
---|
| 1325 |
|
---|
| 1326 | /*
|
---|
| 1327 | * Add sure 'register' information from the frame to the frame.
|
---|
| 1328 | *
|
---|
| 1329 | * To avoid code duplication, we do this in two steps in a loop.
|
---|
| 1330 | * The first iteration only figures out how many registers we're
|
---|
| 1331 | * going to save and allocates room for them. The second iteration
|
---|
| 1332 | * does the actual adding.
|
---|
| 1333 | */
|
---|
| 1334 | uint32_t cRegs = pFrame->cSureRegs;
|
---|
| 1335 | PDBGFREGVALEX paSureRegs = NULL;
|
---|
| 1336 | #define ADD_REG_NAMED(a_Type, a_ValMemb, a_Value, a_pszName) do { \
|
---|
| 1337 | if (paSureRegs) \
|
---|
| 1338 | { \
|
---|
| 1339 | paSureRegs[iReg].pszName = a_pszName;\
|
---|
| 1340 | paSureRegs[iReg].enmReg = DBGFREG_END; \
|
---|
| 1341 | paSureRegs[iReg].enmType = a_Type; \
|
---|
| 1342 | paSureRegs[iReg].Value.a_ValMemb = (a_Value); \
|
---|
| 1343 | } \
|
---|
| 1344 | iReg++; \
|
---|
| 1345 | } while (0)
|
---|
| 1346 | #define MAYBE_ADD_GREG(a_Value, a_enmReg, a_idxReg) do { \
|
---|
| 1347 | if (!(pState->u.x86.Loaded.s.fRegs & RT_BIT(a_idxReg))) \
|
---|
| 1348 | { \
|
---|
| 1349 | if (paSureRegs) \
|
---|
| 1350 | { \
|
---|
| 1351 | pState->u.x86.Loaded.s.fRegs |= RT_BIT(a_idxReg); \
|
---|
| 1352 | pState->u.x86.auRegs[a_idxReg] = (a_Value); \
|
---|
| 1353 | paSureRegs[iReg].Value.u64 = (a_Value); \
|
---|
| 1354 | paSureRegs[iReg].enmReg = a_enmReg; \
|
---|
| 1355 | paSureRegs[iReg].enmType = DBGFREGVALTYPE_U64; \
|
---|
| 1356 | paSureRegs[iReg].pszName = NULL; \
|
---|
| 1357 | } \
|
---|
| 1358 | iReg++; \
|
---|
| 1359 | } \
|
---|
| 1360 | } while (0)
|
---|
| 1361 | for (unsigned iLoop = 0; iLoop < 2; iLoop++)
|
---|
| 1362 | {
|
---|
| 1363 | uint32_t iReg = pFrame->cSureRegs;
|
---|
| 1364 | ADD_REG_NAMED(DBGFREGVALTYPE_U64, u64, uTrapFrameAddr, "TrapFrame");
|
---|
| 1365 | ADD_REG_NAMED(DBGFREGVALTYPE_U8, u8, TrapFrame.ExceptionActive, "ExceptionActive");
|
---|
| 1366 | if (TrapFrame.ExceptionActive == 0)
|
---|
| 1367 | {
|
---|
| 1368 | ADD_REG_NAMED(DBGFREGVALTYPE_U8, u8, TrapFrame.PreviousIrql, "PrevIrql");
|
---|
| 1369 | ADD_REG_NAMED(DBGFREGVALTYPE_U8, u8, (uint8_t)TrapFrame.ErrCdOrXcptFrameOrS, "IntNo");
|
---|
| 1370 | }
|
---|
| 1371 | else if ( TrapFrame.ExceptionActive == 1
|
---|
| 1372 | && TrapFrame.FaultIndicator == ((TrapFrame.ErrCdOrXcptFrameOrS >> 1) & 0x9))
|
---|
| 1373 | ADD_REG_NAMED(DBGFREGVALTYPE_U64, u64, TrapFrame.FaultAddrOrCtxRecOrTS, "cr2-probably");
|
---|
| 1374 | if (TrapFrame.SegCs & X86_SEL_RPL)
|
---|
| 1375 | ADD_REG_NAMED(DBGFREGVALTYPE_U8, u8, 1, "UserMode");
|
---|
| 1376 | else
|
---|
| 1377 | ADD_REG_NAMED(DBGFREGVALTYPE_U8, u8, 1, "KernelMode");
|
---|
| 1378 | if (TrapFrame.ExceptionActive <= 1)
|
---|
| 1379 | {
|
---|
| 1380 | MAYBE_ADD_GREG(TrapFrame.Rax, DBGFREG_RAX, X86_GREG_xAX);
|
---|
| 1381 | MAYBE_ADD_GREG(TrapFrame.Rcx, DBGFREG_RCX, X86_GREG_xCX);
|
---|
| 1382 | MAYBE_ADD_GREG(TrapFrame.Rdx, DBGFREG_RDX, X86_GREG_xDX);
|
---|
| 1383 | MAYBE_ADD_GREG(TrapFrame.R8, DBGFREG_R8, X86_GREG_x8);
|
---|
| 1384 | MAYBE_ADD_GREG(TrapFrame.R9, DBGFREG_R9, X86_GREG_x9);
|
---|
| 1385 | MAYBE_ADD_GREG(TrapFrame.R10, DBGFREG_R10, X86_GREG_x10);
|
---|
| 1386 | MAYBE_ADD_GREG(TrapFrame.R11, DBGFREG_R11, X86_GREG_x11);
|
---|
| 1387 | }
|
---|
| 1388 | else if (TrapFrame.ExceptionActive == 2)
|
---|
| 1389 | {
|
---|
| 1390 | MAYBE_ADD_GREG(TrapFrame.Rbx, DBGFREG_RBX, X86_GREG_xBX);
|
---|
| 1391 | MAYBE_ADD_GREG(TrapFrame.Rsi, DBGFREG_RSI, X86_GREG_xSI);
|
---|
| 1392 | MAYBE_ADD_GREG(TrapFrame.Rdi, DBGFREG_RDI, X86_GREG_xDI);
|
---|
| 1393 | }
|
---|
[73486] | 1394 | // MAYBE_ADD_GREG(TrapFrame.Rbp, DBGFREG_RBP, X86_GREG_xBP); - KiInterrupt[Sub]Dispatch* may leave this invalid.
|
---|
[73460] | 1395 |
|
---|
| 1396 | /* Done? */
|
---|
| 1397 | if (iLoop > 0)
|
---|
| 1398 | {
|
---|
| 1399 | Assert(cRegs == iReg);
|
---|
| 1400 | break;
|
---|
| 1401 | }
|
---|
| 1402 |
|
---|
| 1403 | /* Resize the array, zeroing the extension. */
|
---|
| 1404 | if (pFrame->cSureRegs)
|
---|
[93470] | 1405 | paSureRegs = (PDBGFREGVALEX)pVMM->pfnMMR3HeapRealloc(pFrame->paSureRegs, iReg * sizeof(paSureRegs[0]));
|
---|
[73460] | 1406 | else
|
---|
[93470] | 1407 | paSureRegs = (PDBGFREGVALEX)pVMM->pfnMMR3HeapAllocU(pUVM, MM_TAG_DBGF_STACK, iReg * sizeof(paSureRegs[0]));
|
---|
[73460] | 1408 | AssertReturn(paSureRegs, VERR_NO_MEMORY);
|
---|
| 1409 |
|
---|
| 1410 | pFrame->paSureRegs = paSureRegs;
|
---|
| 1411 | RT_BZERO(&paSureRegs[pFrame->cSureRegs], (iReg - pFrame->cSureRegs) * sizeof(paSureRegs[0]));
|
---|
| 1412 | cRegs = iReg;
|
---|
| 1413 | }
|
---|
| 1414 | #undef ADD_REG_NAMED
|
---|
| 1415 | #undef MAYBE_ADD_GREG
|
---|
| 1416 |
|
---|
| 1417 | /* Commit the register update. */
|
---|
| 1418 | pFrame->cSureRegs = cRegs;
|
---|
| 1419 | }
|
---|
| 1420 | }
|
---|
| 1421 | }
|
---|
| 1422 | }
|
---|
| 1423 |
|
---|
[93470] | 1424 | RT_NOREF(pUVM, pVMM, pvData, idCpu, hAs, pInitialCtx, puScratch);
|
---|
[73460] | 1425 | return VINF_SUCCESS;
|
---|
| 1426 | }
|
---|
| 1427 |
|
---|
| 1428 |
|
---|
| 1429 | /**
|
---|
[31510] | 1430 | * @copydoc DBGFOSREG::pfnQueryInterface
|
---|
| 1431 | */
|
---|
[93470] | 1432 | static DECLCALLBACK(void *) dbgDiggerWinNtQueryInterface(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData, DBGFOSINTERFACE enmIf)
|
---|
[31510] | 1433 | {
|
---|
[93470] | 1434 | RT_NOREF(pUVM, pVMM);
|
---|
[86103] | 1435 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
| 1436 |
|
---|
| 1437 | switch (enmIf)
|
---|
| 1438 | {
|
---|
| 1439 | case DBGFOSINTERFACE_WINNT:
|
---|
| 1440 | return &pThis->IWinNt;
|
---|
| 1441 | default:
|
---|
| 1442 | return NULL;
|
---|
| 1443 | }
|
---|
[31510] | 1444 | }
|
---|
| 1445 |
|
---|
| 1446 |
|
---|
| 1447 | /**
|
---|
| 1448 | * @copydoc DBGFOSREG::pfnQueryVersion
|
---|
| 1449 | */
|
---|
[93470] | 1450 | static DECLCALLBACK(int) dbgDiggerWinNtQueryVersion(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData,
|
---|
| 1451 | char *pszVersion, size_t cchVersion)
|
---|
[31510] | 1452 | {
|
---|
[93470] | 1453 | RT_NOREF(pUVM, pVMM);
|
---|
[31510] | 1454 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
| 1455 | Assert(pThis->fValid);
|
---|
[93470] | 1456 |
|
---|
[31510] | 1457 | const char *pszNtProductType;
|
---|
| 1458 | switch (pThis->NtProductType)
|
---|
| 1459 | {
|
---|
| 1460 | case kNtProductType_WinNt: pszNtProductType = "-WinNT"; break;
|
---|
| 1461 | case kNtProductType_LanManNt: pszNtProductType = "-LanManNT"; break;
|
---|
| 1462 | case kNtProductType_Server: pszNtProductType = "-Server"; break;
|
---|
| 1463 | default: pszNtProductType = ""; break;
|
---|
| 1464 | }
|
---|
[93470] | 1465 |
|
---|
[86159] | 1466 | RTStrPrintf(pszVersion, cchVersion, "%u.%u-%s%s (BuildNumber %u)", pThis->NtMajorVersion, pThis->NtMinorVersion,
|
---|
| 1467 | pThis->f32Bit ? "x86" : "AMD64", pszNtProductType, pThis->NtBuildNumber);
|
---|
[31510] | 1468 | return VINF_SUCCESS;
|
---|
| 1469 | }
|
---|
| 1470 |
|
---|
| 1471 |
|
---|
| 1472 | /**
|
---|
| 1473 | * @copydoc DBGFOSREG::pfnTerm
|
---|
| 1474 | */
|
---|
[93470] | 1475 | static DECLCALLBACK(void) dbgDiggerWinNtTerm(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData)
|
---|
[31510] | 1476 | {
|
---|
[62840] | 1477 | RT_NOREF1(pUVM);
|
---|
[31510] | 1478 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
| 1479 | Assert(pThis->fValid);
|
---|
| 1480 |
|
---|
[96867] | 1481 | #ifdef VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING
|
---|
| 1482 | if (pThis->hBpDbgPrint != NIL_DBGFBP)
|
---|
| 1483 | {
|
---|
| 1484 | int rc = DBGFR3BpClear(pUVM, pThis->hBpDbgPrint);
|
---|
| 1485 | AssertRC(rc);
|
---|
| 1486 | pThis->hBpDbgPrint = NIL_DBGFBP;
|
---|
| 1487 | }
|
---|
| 1488 |
|
---|
| 1489 | if (pThis->hBpOwnerDbgPrint != NIL_DBGFBPOWNER)
|
---|
| 1490 | {
|
---|
| 1491 | int rc = DBGFR3BpOwnerDestroy(pUVM, pThis->hBpOwnerDbgPrint);
|
---|
| 1492 | AssertRC(rc);
|
---|
| 1493 | pThis->hBpOwnerDbgPrint = NIL_DBGFBPOWNER;
|
---|
| 1494 | }
|
---|
| 1495 | #endif
|
---|
| 1496 |
|
---|
[31510] | 1497 | /*
|
---|
[73413] | 1498 | * As long as we're using our private LDR reader implementation,
|
---|
| 1499 | * we must unlink and ditch the modules we created.
|
---|
[31510] | 1500 | */
|
---|
[93470] | 1501 | RTDBGAS hDbgAs = pVMM->pfnDBGFR3AsResolveAndRetain(pUVM, DBGF_AS_KERNEL);
|
---|
[31510] | 1502 | if (hDbgAs != NIL_RTDBGAS)
|
---|
| 1503 | {
|
---|
| 1504 | uint32_t iMod = RTDbgAsModuleCount(hDbgAs);
|
---|
| 1505 | while (iMod-- > 0)
|
---|
| 1506 | {
|
---|
| 1507 | RTDBGMOD hMod = RTDbgAsModuleByIndex(hDbgAs, iMod);
|
---|
| 1508 | if (hMod != NIL_RTDBGMOD)
|
---|
| 1509 | {
|
---|
| 1510 | if (RTDbgModGetTag(hMod) == DIG_WINNT_MOD_TAG)
|
---|
| 1511 | {
|
---|
| 1512 | int rc = RTDbgAsModuleUnlink(hDbgAs, hMod);
|
---|
| 1513 | AssertRC(rc);
|
---|
| 1514 | }
|
---|
| 1515 | RTDbgModRelease(hMod);
|
---|
| 1516 | }
|
---|
| 1517 | }
|
---|
| 1518 | RTDbgAsRelease(hDbgAs);
|
---|
| 1519 | }
|
---|
| 1520 |
|
---|
[86103] | 1521 | if (pThis->paKpcrAddr)
|
---|
| 1522 | RTMemFree(pThis->paKpcrAddr);
|
---|
| 1523 | /* pThis->paKpcrbAddr comes from the same allocation as pThis->paKpcrAddr. */
|
---|
| 1524 |
|
---|
| 1525 | pThis->paKpcrAddr = NULL;
|
---|
| 1526 | pThis->paKpcrbAddr = NULL;
|
---|
| 1527 |
|
---|
[73413] | 1528 | pThis->fValid = false;
|
---|
| 1529 | }
|
---|
| 1530 |
|
---|
| 1531 |
|
---|
| 1532 | /**
|
---|
| 1533 | * @copydoc DBGFOSREG::pfnRefresh
|
---|
| 1534 | */
|
---|
[93470] | 1535 | static DECLCALLBACK(int) dbgDiggerWinNtRefresh(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData)
|
---|
[73413] | 1536 | {
|
---|
| 1537 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
| 1538 | NOREF(pThis);
|
---|
| 1539 | Assert(pThis->fValid);
|
---|
| 1540 |
|
---|
| 1541 | /*
|
---|
| 1542 | * For now we'll flush and reload everything.
|
---|
| 1543 | */
|
---|
[93470] | 1544 | dbgDiggerWinNtTerm(pUVM, pVMM, pvData);
|
---|
[73413] | 1545 |
|
---|
[93470] | 1546 | return dbgDiggerWinNtInit(pUVM, pVMM, pvData);
|
---|
[31510] | 1547 | }
|
---|
| 1548 |
|
---|
| 1549 |
|
---|
| 1550 | /**
|
---|
| 1551 | * @copydoc DBGFOSREG::pfnInit
|
---|
| 1552 | */
|
---|
[93470] | 1553 | static DECLCALLBACK(int) dbgDiggerWinNtInit(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData)
|
---|
[31510] | 1554 | {
|
---|
| 1555 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
| 1556 | Assert(!pThis->fValid);
|
---|
| 1557 |
|
---|
| 1558 | union
|
---|
| 1559 | {
|
---|
[102855] | 1560 | uint8_t au8[GUEST_PAGE_SIZE * 2];
|
---|
| 1561 | RTUTF16 wsz[GUEST_PAGE_SIZE];
|
---|
[31510] | 1562 | NTKUSERSHAREDDATA UserSharedData;
|
---|
| 1563 | } u;
|
---|
| 1564 | DBGFADDRESS Addr;
|
---|
| 1565 | int rc;
|
---|
| 1566 |
|
---|
| 1567 | /*
|
---|
[105532] | 1568 | * Load the bootmgr module if it was detected and is still present.
|
---|
| 1569 | * The boot manager is always 32-bit on x86.
|
---|
[31510] | 1570 | */
|
---|
[105532] | 1571 | if (DBGFADDRESS_IS_VALID(&pThis->BootMgrAddr))
|
---|
| 1572 | {
|
---|
| 1573 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &pThis->BootMgrAddr, &u, sizeof(u));
|
---|
| 1574 | if (RT_SUCCESS(rc))
|
---|
| 1575 | {
|
---|
| 1576 | uint32_t cbImage = 0;
|
---|
| 1577 | if (dbgDiggerWinNtIsBootMgr(pUVM, pVMM, &pThis->BootMgrAddr, &u.au8[0], sizeof(u), &cbImage))
|
---|
| 1578 | dbgDiggerWinNtProcessImage(pThis, pUVM, pVMM, "BootMgr", "BootMgr.exe",
|
---|
| 1579 | &pThis->BootMgrAddr, cbImage, RTLDRARCH_X86_32);
|
---|
| 1580 | }
|
---|
| 1581 | }
|
---|
| 1582 |
|
---|
| 1583 | /*
|
---|
| 1584 | * Load the winload module if it was detected and still present.
|
---|
| 1585 | */
|
---|
| 1586 | if (DBGFADDRESS_IS_VALID(&pThis->WinLoadAddr))
|
---|
| 1587 | {
|
---|
| 1588 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &pThis->WinLoadAddr, &u, sizeof(u));
|
---|
| 1589 | if (RT_SUCCESS(rc))
|
---|
| 1590 | {
|
---|
| 1591 | uint32_t cbImage = 0;
|
---|
| 1592 | uint32_t uNtMajorVersion = 0;
|
---|
| 1593 | uint32_t uNtMinorVersion = 0;
|
---|
| 1594 | if (dbgDiggerWinNtIsWinLoad(pUVM, pVMM, &pThis->WinLoadAddr, &u.au8[0], sizeof(u),
|
---|
| 1595 | NULL /*pf32Bit*/, &cbImage, &uNtMajorVersion, &uNtMinorVersion))
|
---|
| 1596 | {
|
---|
| 1597 | dbgDiggerWinNtProcessImage(pThis, pUVM, pVMM, "WinLoad", "WinLoad.exe", &pThis->WinLoadAddr, cbImage);
|
---|
| 1598 | pThis->NtMajorVersion = uNtMajorVersion;
|
---|
| 1599 | pThis->NtMinorVersion = uNtMinorVersion;
|
---|
| 1600 | }
|
---|
| 1601 | }
|
---|
| 1602 | }
|
---|
| 1603 |
|
---|
| 1604 | /*
|
---|
| 1605 | * Try figure the NT version.
|
---|
| 1606 | */
|
---|
[93470] | 1607 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, pThis->f32Bit ? NTKUSERSHAREDDATA_WINNT32 : NTKUSERSHAREDDATA_WINNT64);
|
---|
[102855] | 1608 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &Addr, &u, GUEST_PAGE_SIZE);
|
---|
[70338] | 1609 | if (RT_SUCCESS(rc))
|
---|
| 1610 | {
|
---|
| 1611 | pThis->NtProductType = u.UserSharedData.ProductTypeIsValid && u.UserSharedData.NtProductType <= kNtProductType_Server
|
---|
| 1612 | ? (NTPRODUCTTYPE)u.UserSharedData.NtProductType
|
---|
| 1613 | : kNtProductType_Invalid;
|
---|
| 1614 | pThis->NtMajorVersion = u.UserSharedData.NtMajorVersion;
|
---|
| 1615 | pThis->NtMinorVersion = u.UserSharedData.NtMinorVersion;
|
---|
[86159] | 1616 | pThis->NtBuildNumber = u.UserSharedData.NtBuildNumber;
|
---|
[70338] | 1617 | }
|
---|
| 1618 | else if (pThis->fNt31)
|
---|
| 1619 | {
|
---|
| 1620 | pThis->NtProductType = kNtProductType_WinNt;
|
---|
| 1621 | pThis->NtMajorVersion = 3;
|
---|
| 1622 | pThis->NtMinorVersion = 1;
|
---|
[86159] | 1623 | pThis->NtBuildNumber = 0;
|
---|
[70338] | 1624 | }
|
---|
| 1625 | else
|
---|
| 1626 | {
|
---|
| 1627 | Log(("DigWinNt: Error reading KUSER_SHARED_DATA: %Rrc\n", rc));
|
---|
[105532] | 1628 | if ( !DBGFADDRESS_IS_VALID(&pThis->KernelAddr)
|
---|
| 1629 | || !DBGFADDRESS_IS_VALID(&pThis->KernelMteAddr)
|
---|
| 1630 | || !DBGFADDRESS_IS_VALID(&pThis->PsLoadedModuleListAddr))
|
---|
| 1631 | return DBGFADDRESS_IS_VALID(&pThis->BootMgrAddr) || DBGFADDRESS_IS_VALID(&pThis->WinLoadAddr) ? VINF_SUCCESS : rc;
|
---|
[70338] | 1632 | }
|
---|
[31510] | 1633 |
|
---|
| 1634 | /*
|
---|
| 1635 | * Dig out the module chain.
|
---|
| 1636 | */
|
---|
| 1637 | DBGFADDRESS AddrPrev = pThis->PsLoadedModuleListAddr;
|
---|
| 1638 | Addr = pThis->KernelMteAddr;
|
---|
| 1639 | do
|
---|
| 1640 | {
|
---|
| 1641 | /* Read the validate the MTE. */
|
---|
| 1642 | NTMTE Mte;
|
---|
[93470] | 1643 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &Addr, &Mte, pThis->f32Bit ? sizeof(Mte.vX_32) : sizeof(Mte.vX_64));
|
---|
[31510] | 1644 | if (RT_FAILURE(rc))
|
---|
| 1645 | break;
|
---|
| 1646 | if (WINNT_UNION(pThis, &Mte, InLoadOrderLinks.Blink) != AddrPrev.FlatPtr)
|
---|
| 1647 | {
|
---|
| 1648 | Log(("DigWinNt: Bad Mte At %RGv - backpointer\n", Addr.FlatPtr));
|
---|
| 1649 | break;
|
---|
| 1650 | }
|
---|
| 1651 | if (!WINNT_VALID_ADDRESS(pThis, WINNT_UNION(pThis, &Mte, InLoadOrderLinks.Flink)) )
|
---|
| 1652 | {
|
---|
| 1653 | Log(("DigWinNt: Bad Mte at %RGv - forward pointer\n", Addr.FlatPtr));
|
---|
| 1654 | break;
|
---|
| 1655 | }
|
---|
| 1656 | if (!WINNT_VALID_ADDRESS(pThis, WINNT_UNION(pThis, &Mte, BaseDllName.Buffer)))
|
---|
| 1657 | {
|
---|
| 1658 | Log(("DigWinNt: Bad Mte at %RGv - BaseDllName=%llx\n", Addr.FlatPtr, WINNT_UNION(pThis, &Mte, BaseDllName.Buffer)));
|
---|
| 1659 | break;
|
---|
| 1660 | }
|
---|
| 1661 | if (!WINNT_VALID_ADDRESS(pThis, WINNT_UNION(pThis, &Mte, FullDllName.Buffer)))
|
---|
| 1662 | {
|
---|
| 1663 | Log(("DigWinNt: Bad Mte at %RGv - FullDllName=%llx\n", Addr.FlatPtr, WINNT_UNION(pThis, &Mte, FullDllName.Buffer)));
|
---|
| 1664 | break;
|
---|
| 1665 | }
|
---|
[70338] | 1666 | if (!WINNT_VALID_ADDRESS(pThis, WINNT_UNION(pThis, &Mte, DllBase)))
|
---|
[31510] | 1667 | {
|
---|
[70338] | 1668 | Log(("DigWinNt: Bad Mte at %RGv - DllBase=%llx\n", Addr.FlatPtr, WINNT_UNION(pThis, &Mte, DllBase) ));
|
---|
| 1669 | break;
|
---|
| 1670 | }
|
---|
| 1671 |
|
---|
| 1672 | uint32_t const cbImageMte = !pThis->fNt31 ? WINNT_UNION(pThis, &Mte, SizeOfImage) : 0;
|
---|
| 1673 | if ( !pThis->fNt31
|
---|
| 1674 | && ( cbImageMte > _256M
|
---|
| 1675 | || WINNT_UNION(pThis, &Mte, EntryPoint) - WINNT_UNION(pThis, &Mte, DllBase) > cbImageMte) )
|
---|
| 1676 | {
|
---|
[31510] | 1677 | Log(("DigWinNt: Bad Mte at %RGv - EntryPoint=%llx SizeOfImage=%x DllBase=%llx\n",
|
---|
[70338] | 1678 | Addr.FlatPtr, WINNT_UNION(pThis, &Mte, EntryPoint), cbImageMte, WINNT_UNION(pThis, &Mte, DllBase)));
|
---|
[31510] | 1679 | break;
|
---|
| 1680 | }
|
---|
| 1681 |
|
---|
| 1682 | /* Read the full name. */
|
---|
| 1683 | DBGFADDRESS AddrName;
|
---|
[93470] | 1684 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &AddrName, WINNT_UNION(pThis, &Mte, FullDllName.Buffer));
|
---|
[31510] | 1685 | uint16_t cbName = WINNT_UNION(pThis, &Mte, FullDllName.Length);
|
---|
| 1686 | if (cbName < sizeof(u))
|
---|
[93470] | 1687 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &AddrName, &u, cbName);
|
---|
[31510] | 1688 | else
|
---|
| 1689 | rc = VERR_OUT_OF_RANGE;
|
---|
| 1690 | if (RT_FAILURE(rc))
|
---|
| 1691 | {
|
---|
[93470] | 1692 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &AddrName, WINNT_UNION(pThis, &Mte, BaseDllName.Buffer));
|
---|
[31510] | 1693 | cbName = WINNT_UNION(pThis, &Mte, BaseDllName.Length);
|
---|
| 1694 | if (cbName < sizeof(u))
|
---|
[93470] | 1695 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &AddrName, &u, cbName);
|
---|
[31510] | 1696 | else
|
---|
| 1697 | rc = VERR_OUT_OF_RANGE;
|
---|
| 1698 | }
|
---|
| 1699 | if (RT_SUCCESS(rc))
|
---|
| 1700 | {
|
---|
[73416] | 1701 | u.wsz[cbName / 2] = '\0';
|
---|
| 1702 |
|
---|
[73491] | 1703 | char *pszFilename;
|
---|
| 1704 | rc = RTUtf16ToUtf8(u.wsz, &pszFilename);
|
---|
[31510] | 1705 | if (RT_SUCCESS(rc))
|
---|
| 1706 | {
|
---|
[73491] | 1707 | char szModName[128];
|
---|
| 1708 | const char *pszModName = dbgDiggerWintNtFilenameToModuleName(pszFilename, szModName, sizeof(szModName));
|
---|
| 1709 |
|
---|
[31510] | 1710 | /* Read the start of the PE image and pass it along to a worker. */
|
---|
| 1711 | DBGFADDRESS ImageAddr;
|
---|
[93470] | 1712 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &ImageAddr, WINNT_UNION(pThis, &Mte, DllBase));
|
---|
| 1713 | dbgDiggerWinNtProcessImage(pThis, pUVM, pVMM, pszModName, pszFilename, &ImageAddr, cbImageMte);
|
---|
[73491] | 1714 | RTStrFree(pszFilename);
|
---|
[31510] | 1715 | }
|
---|
| 1716 | }
|
---|
| 1717 |
|
---|
| 1718 | /* next */
|
---|
| 1719 | AddrPrev = Addr;
|
---|
[93470] | 1720 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, WINNT_UNION(pThis, &Mte, InLoadOrderLinks.Flink));
|
---|
[31510] | 1721 | } while ( Addr.FlatPtr != pThis->KernelMteAddr.FlatPtr
|
---|
| 1722 | && Addr.FlatPtr != pThis->PsLoadedModuleListAddr.FlatPtr);
|
---|
| 1723 |
|
---|
[86103] | 1724 | /* Try resolving the KPCR and KPCRB addresses for each vCPU. */
|
---|
[93470] | 1725 | dbgDiggerWinNtResolveKpcr(pThis, pUVM, pVMM);
|
---|
[86103] | 1726 |
|
---|
[96867] | 1727 | #ifdef VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING
|
---|
| 1728 | /* Try to hook into the DbgPrint/vDbgPrint... code so we can gather information from the drivers. */
|
---|
| 1729 | dbgDiggerWinNtDbgPrintHook(pThis, pUVM);
|
---|
| 1730 | #endif
|
---|
| 1731 |
|
---|
[31510] | 1732 | pThis->fValid = true;
|
---|
| 1733 | return VINF_SUCCESS;
|
---|
| 1734 | }
|
---|
| 1735 |
|
---|
| 1736 |
|
---|
| 1737 | /**
|
---|
| 1738 | * @copydoc DBGFOSREG::pfnProbe
|
---|
| 1739 | */
|
---|
[93470] | 1740 | static DECLCALLBACK(bool) dbgDiggerWinNtProbe(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData)
|
---|
[31510] | 1741 | {
|
---|
| 1742 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
[105532] | 1743 | bool fRet = false;
|
---|
[31510] | 1744 | DBGFADDRESS Addr;
|
---|
| 1745 | union
|
---|
| 1746 | {
|
---|
| 1747 | uint8_t au8[8192];
|
---|
| 1748 | uint16_t au16[8192/2];
|
---|
| 1749 | uint32_t au32[8192/4];
|
---|
| 1750 | IMAGE_DOS_HEADER MzHdr;
|
---|
| 1751 | RTUTF16 wsz[8192/2];
|
---|
[77665] | 1752 | X86DESCGATE a32Gates[X86_XCPT_PF + 1];
|
---|
[73418] | 1753 | X86DESC64GATE a64Gates[X86_XCPT_PF + 1];
|
---|
[31510] | 1754 | } u;
|
---|
| 1755 |
|
---|
[46127] | 1756 | union
|
---|
| 1757 | {
|
---|
| 1758 | NTMTE32 v32;
|
---|
| 1759 | NTMTE64 v64;
|
---|
| 1760 | } uMte, uMte2, uMte3;
|
---|
| 1761 |
|
---|
[31510] | 1762 | /*
|
---|
[105532] | 1763 | * Reset the state (paranoia)
|
---|
| 1764 | */
|
---|
| 1765 | RT_ZERO(pThis->BootMgrAddr);
|
---|
| 1766 | RT_ZERO(pThis->WinLoadAddr);
|
---|
| 1767 | RT_ZERO(pThis->KernelAddr);
|
---|
| 1768 | RT_ZERO(pThis->KernelMteAddr);
|
---|
| 1769 | RT_ZERO(pThis->PsLoadedModuleListAddr);
|
---|
| 1770 | pThis->f32Bit = false;
|
---|
| 1771 | pThis->fNt31 = false;
|
---|
| 1772 |
|
---|
| 1773 | /*
|
---|
| 1774 | * Look for the BootMgr/BootLib.dll module at 0x400000.
|
---|
| 1775 | * This is only relevant when booting via BIOS.
|
---|
| 1776 | */
|
---|
| 1777 | if (1/** @todo BIOS + x86/amd64 only */)
|
---|
| 1778 | {
|
---|
| 1779 | int rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 1780 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, UINT32_C(0x400000)),
|
---|
| 1781 | &u.au8[0], sizeof(u));
|
---|
| 1782 | if (RT_SUCCESS(rc) && dbgDiggerWinNtIsBootMgr(pUVM, pVMM, &Addr, &u.au8[0], sizeof(u), NULL))
|
---|
| 1783 | {
|
---|
| 1784 | pThis->BootMgrAddr = Addr;
|
---|
| 1785 | fRet = true;
|
---|
| 1786 | }
|
---|
| 1787 | }
|
---|
| 1788 |
|
---|
| 1789 | /*
|
---|
| 1790 | * Look for the winload.exe/winload.sys module that's, from the looks of it,
|
---|
| 1791 | * responsible for loading the kernel and boot drivers.
|
---|
| 1792 | */
|
---|
| 1793 | if (DBGFADDRESS_IS_VALID(&pThis->BootMgrAddr))
|
---|
| 1794 | {
|
---|
| 1795 | static const char s_szNeedle[] = "PAGER32C"; /* Section name. No terminator. */
|
---|
| 1796 | uint32_t const uEndAddr = _16M + _1M;
|
---|
| 1797 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, pThis->BootMgrAddr.FlatPtr + _64K);
|
---|
| 1798 | do
|
---|
| 1799 | {
|
---|
| 1800 | int rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, &Addr, uEndAddr - Addr.FlatPtr,
|
---|
| 1801 | 8 /*uAlign*/, s_szNeedle, sizeof(s_szNeedle) - 1, &Addr);
|
---|
| 1802 | if (RT_FAILURE(rc))
|
---|
| 1803 | break;
|
---|
| 1804 |
|
---|
| 1805 | DBGFADDRESS AddrMz;
|
---|
| 1806 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 1807 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &AddrMz,
|
---|
| 1808 | Addr.FlatPtr & ~(RTGCUINTPTR)GUEST_PAGE_OFFSET_MASK),
|
---|
| 1809 | &u.au8[0], sizeof(u));
|
---|
| 1810 | bool f32Bit = false;
|
---|
| 1811 | if (RT_SUCCESS(rc) && dbgDiggerWinNtIsWinLoad(pUVM, pVMM, &AddrMz, &u.au8[0], sizeof(u), &f32Bit, NULL, NULL, NULL))
|
---|
| 1812 | {
|
---|
| 1813 | pThis->WinLoadAddr = AddrMz;
|
---|
| 1814 | pThis->f32Bit = f32Bit;
|
---|
| 1815 | fRet = true;
|
---|
| 1816 | break;
|
---|
| 1817 | }
|
---|
| 1818 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, AddrMz.FlatPtr + GUEST_PAGE_SIZE);
|
---|
| 1819 | } while (Addr.FlatPtr + _64K < uEndAddr);
|
---|
| 1820 | }
|
---|
| 1821 |
|
---|
| 1822 | /*
|
---|
[73418] | 1823 | * NT only runs in protected or long mode.
|
---|
| 1824 | */
|
---|
[93470] | 1825 | CPUMMODE const enmMode = pVMM->pfnDBGFR3CpuGetMode(pUVM, 0 /*idCpu*/);
|
---|
[73418] | 1826 | if (enmMode != CPUMMODE_PROTECTED && enmMode != CPUMMODE_LONG)
|
---|
[105532] | 1827 | return fRet;
|
---|
| 1828 | bool const f64Bit = enmMode == CPUMMODE_LONG
|
---|
| 1829 | || (DBGFADDRESS_IS_VALID(&pThis->WinLoadAddr) && !pThis->f32Bit);
|
---|
| 1830 | uint64_t const uStart = f64Bit ? UINT64_C(0xffff800000000000) : UINT32_C(0x80001000);
|
---|
[73418] | 1831 | uint64_t const uEnd = f64Bit ? UINT64_C(0xffffffffffff0000) : UINT32_C(0xffff0000);
|
---|
| 1832 |
|
---|
| 1833 | /*
|
---|
| 1834 | * To approximately locate the kernel we examine the IDTR handlers.
|
---|
| 1835 | *
|
---|
| 1836 | * The exception/trap/fault handlers are all in NT kernel image, we pick
|
---|
| 1837 | * KiPageFault here.
|
---|
| 1838 | */
|
---|
| 1839 | uint64_t uIdtrBase = 0;
|
---|
| 1840 | uint16_t uIdtrLimit = 0;
|
---|
[93470] | 1841 | int rc = pVMM->pfnDBGFR3RegCpuQueryXdtr(pUVM, 0, DBGFREG_IDTR, &uIdtrBase, &uIdtrLimit);
|
---|
[105532] | 1842 | AssertRCReturn(rc, fRet);
|
---|
[73418] | 1843 |
|
---|
| 1844 | const uint16_t cbMinIdtr = (X86_XCPT_PF + 1) * (f64Bit ? sizeof(X86DESC64GATE) : sizeof(X86DESCGATE));
|
---|
| 1845 | if (uIdtrLimit < cbMinIdtr)
|
---|
[105532] | 1846 | return fRet;
|
---|
[73418] | 1847 |
|
---|
[93470] | 1848 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, uIdtrBase), &u, cbMinIdtr);
|
---|
[73418] | 1849 | if (RT_FAILURE(rc))
|
---|
[105532] | 1850 | return fRet;
|
---|
[73418] | 1851 |
|
---|
[105532] | 1852 | uint64_t uKrnlStart = uStart;
|
---|
| 1853 | uint64_t uKrnlEnd = uEnd;
|
---|
[73418] | 1854 | if (f64Bit)
|
---|
| 1855 | {
|
---|
| 1856 | uint64_t uHandler = u.a64Gates[X86_XCPT_PF].u16OffsetLow
|
---|
| 1857 | | ((uint32_t)u.a64Gates[X86_XCPT_PF].u16OffsetHigh << 16)
|
---|
| 1858 | | ((uint64_t)u.a64Gates[X86_XCPT_PF].u32OffsetTop << 32);
|
---|
[105532] | 1859 | if (uHandler >= uStart && uHandler <= uEnd)
|
---|
| 1860 | {
|
---|
| 1861 | uKrnlStart = (uHandler & ~(uint64_t)_4M) - _512M;
|
---|
| 1862 | uKrnlEnd = (uHandler + (uint64_t)_4M) & ~(uint64_t)_4M;
|
---|
| 1863 | }
|
---|
| 1864 | else if (!DBGFADDRESS_IS_VALID(&pThis->WinLoadAddr))
|
---|
| 1865 | return fRet;
|
---|
[73418] | 1866 | }
|
---|
| 1867 | else
|
---|
| 1868 | {
|
---|
[77665] | 1869 | uint32_t uHandler = RT_MAKE_U32(u.a32Gates[X86_XCPT_PF].u16OffsetLow, u.a32Gates[X86_XCPT_PF].u16OffsetHigh);
|
---|
[105532] | 1870 | if (uHandler >= uStart && uHandler <= uEnd)
|
---|
| 1871 | {
|
---|
| 1872 | uKrnlStart = (uHandler & ~(uint64_t)_4M) - _64M;
|
---|
| 1873 | uKrnlEnd = (uHandler + (uint64_t)_4M) & ~(uint64_t)_4M;
|
---|
| 1874 | }
|
---|
| 1875 | else if (!DBGFADDRESS_IS_VALID(&pThis->WinLoadAddr))
|
---|
| 1876 | return fRet;
|
---|
[73418] | 1877 | }
|
---|
| 1878 |
|
---|
| 1879 | /*
|
---|
[45983] | 1880 | * Look for the PAGELK section name that seems to be a part of all kernels.
|
---|
[31510] | 1881 | * Then try find the module table entry for it. Since it's the first entry
|
---|
| 1882 | * in the PsLoadedModuleList we can easily validate the list head and report
|
---|
| 1883 | * success.
|
---|
[70338] | 1884 | *
|
---|
| 1885 | * Note! We ASSUME the section name is 8 byte aligned.
|
---|
[31510] | 1886 | */
|
---|
[73418] | 1887 | DBGFADDRESS KernelAddr;
|
---|
[93470] | 1888 | for (pVMM->pfnDBGFR3AddrFromFlat(pUVM, &KernelAddr, uKrnlStart);
|
---|
[73418] | 1889 | KernelAddr.FlatPtr < uKrnlEnd;
|
---|
[102855] | 1890 | KernelAddr.FlatPtr += GUEST_PAGE_SIZE)
|
---|
[31510] | 1891 | {
|
---|
[70338] | 1892 | bool fNt31 = false;
|
---|
| 1893 | DBGFADDRESS const RetryAddress = KernelAddr;
|
---|
[93470] | 1894 | rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, &KernelAddr, uEnd - KernelAddr.FlatPtr,
|
---|
| 1895 | 8, "PAGELK\0", sizeof("PAGELK\0"), &KernelAddr);
|
---|
[70338] | 1896 | if ( rc == VERR_DBGF_MEM_NOT_FOUND
|
---|
[105532] | 1897 | && !f64Bit)
|
---|
[70338] | 1898 | {
|
---|
| 1899 | /* NT3.1 didn't have a PAGELK section, so look for _TEXT instead. The
|
---|
| 1900 | following VirtualSize is zero, so check for that too. */
|
---|
[93470] | 1901 | rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, &RetryAddress, uEnd - RetryAddress.FlatPtr,
|
---|
| 1902 | 8, "_TEXT\0\0\0\0\0\0", sizeof("_TEXT\0\0\0\0\0\0"), &KernelAddr);
|
---|
[70338] | 1903 | fNt31 = true;
|
---|
| 1904 | }
|
---|
[46127] | 1905 | if (RT_FAILURE(rc))
|
---|
| 1906 | break;
|
---|
[102855] | 1907 | pVMM->pfnDBGFR3AddrSub(&KernelAddr, KernelAddr.FlatPtr & GUEST_PAGE_OFFSET_MASK);
|
---|
[46127] | 1908 |
|
---|
| 1909 | /* MZ + PE header. */
|
---|
[93470] | 1910 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/, &KernelAddr, &u, sizeof(u));
|
---|
[46127] | 1911 | if ( RT_SUCCESS(rc)
|
---|
| 1912 | && u.MzHdr.e_magic == IMAGE_DOS_SIGNATURE
|
---|
| 1913 | && !(u.MzHdr.e_lfanew & 0x7)
|
---|
| 1914 | && u.MzHdr.e_lfanew >= 0x080
|
---|
| 1915 | && u.MzHdr.e_lfanew <= 0x400) /* W8 is at 0x288*/
|
---|
[31510] | 1916 | {
|
---|
[105532] | 1917 | if (!f64Bit)
|
---|
[31510] | 1918 | {
|
---|
| 1919 | IMAGE_NT_HEADERS32 const *pHdrs = (IMAGE_NT_HEADERS32 const *)&u.au8[u.MzHdr.e_lfanew];
|
---|
| 1920 | if ( pHdrs->Signature == IMAGE_NT_SIGNATURE
|
---|
| 1921 | && pHdrs->FileHeader.Machine == IMAGE_FILE_MACHINE_I386
|
---|
| 1922 | && pHdrs->FileHeader.SizeOfOptionalHeader == sizeof(pHdrs->OptionalHeader)
|
---|
| 1923 | && pHdrs->FileHeader.NumberOfSections >= 10 /* the kernel has lots */
|
---|
| 1924 | && (pHdrs->FileHeader.Characteristics & (IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL)) == IMAGE_FILE_EXECUTABLE_IMAGE
|
---|
| 1925 | && pHdrs->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC
|
---|
| 1926 | && pHdrs->OptionalHeader.NumberOfRvaAndSizes == IMAGE_NUMBEROF_DIRECTORY_ENTRIES
|
---|
| 1927 | )
|
---|
| 1928 | {
|
---|
| 1929 | /* Find the MTE. */
|
---|
[46127] | 1930 | RT_ZERO(uMte);
|
---|
| 1931 | uMte.v32.DllBase = KernelAddr.FlatPtr;
|
---|
| 1932 | uMte.v32.EntryPoint = KernelAddr.FlatPtr + pHdrs->OptionalHeader.AddressOfEntryPoint;
|
---|
[70338] | 1933 | uMte.v32.SizeOfImage = !fNt31 ? pHdrs->OptionalHeader.SizeOfImage : 0; /* NT 3.1 didn't set the size. */
|
---|
[31510] | 1934 | DBGFADDRESS HitAddr;
|
---|
[93470] | 1935 | rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, &KernelAddr, uEnd - KernelAddr.FlatPtr,
|
---|
| 1936 | 4 /*align*/, &uMte.v32.DllBase, 3 * sizeof(uint32_t), &HitAddr);
|
---|
[31510] | 1937 | while (RT_SUCCESS(rc))
|
---|
| 1938 | {
|
---|
| 1939 | /* check the name. */
|
---|
| 1940 | DBGFADDRESS MteAddr = HitAddr;
|
---|
[93470] | 1941 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 1942 | pVMM->pfnDBGFR3AddrSub(&MteAddr, RT_OFFSETOF(NTMTE32, DllBase)),
|
---|
| 1943 | &uMte2.v32, sizeof(uMte2.v32));
|
---|
[31510] | 1944 | if ( RT_SUCCESS(rc)
|
---|
[46127] | 1945 | && uMte2.v32.DllBase == uMte.v32.DllBase
|
---|
| 1946 | && uMte2.v32.EntryPoint == uMte.v32.EntryPoint
|
---|
| 1947 | && uMte2.v32.SizeOfImage == uMte.v32.SizeOfImage
|
---|
| 1948 | && WINNT32_VALID_ADDRESS(uMte2.v32.InLoadOrderLinks.Flink)
|
---|
| 1949 | && WINNT32_VALID_ADDRESS(uMte2.v32.BaseDllName.Buffer)
|
---|
| 1950 | && WINNT32_VALID_ADDRESS(uMte2.v32.FullDllName.Buffer)
|
---|
[46128] | 1951 | && uMte2.v32.BaseDllName.Length <= 128
|
---|
| 1952 | && uMte2.v32.FullDllName.Length <= 260
|
---|
[31510] | 1953 | )
|
---|
| 1954 | {
|
---|
[93470] | 1955 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 1956 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, uMte2.v32.BaseDllName.Buffer),
|
---|
| 1957 | u.wsz, uMte2.v32.BaseDllName.Length);
|
---|
[46127] | 1958 | u.wsz[uMte2.v32.BaseDllName.Length / 2] = '\0';
|
---|
[31510] | 1959 | if ( RT_SUCCESS(rc)
|
---|
| 1960 | && ( !RTUtf16ICmp(u.wsz, g_wszKernelNames[0])
|
---|
| 1961 | /* || !RTUtf16ICmp(u.wsz, g_wszKernelNames[1]) */
|
---|
| 1962 | )
|
---|
| 1963 | )
|
---|
| 1964 | {
|
---|
[93470] | 1965 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 1966 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr,
|
---|
| 1967 | uMte2.v32.InLoadOrderLinks.Blink),
|
---|
| 1968 | &uMte3.v32, RT_SIZEOFMEMB(NTMTE32, InLoadOrderLinks));
|
---|
[31510] | 1969 | if ( RT_SUCCESS(rc)
|
---|
[46127] | 1970 | && uMte3.v32.InLoadOrderLinks.Flink == MteAddr.FlatPtr
|
---|
| 1971 | && WINNT32_VALID_ADDRESS(uMte3.v32.InLoadOrderLinks.Blink) )
|
---|
[31510] | 1972 | {
|
---|
| 1973 | Log(("DigWinNt: MteAddr=%RGv KernelAddr=%RGv SizeOfImage=%x &PsLoadedModuleList=%RGv (32-bit)\n",
|
---|
[46127] | 1974 | MteAddr.FlatPtr, KernelAddr.FlatPtr, uMte2.v32.SizeOfImage, Addr.FlatPtr));
|
---|
[31510] | 1975 | pThis->KernelAddr = KernelAddr;
|
---|
| 1976 | pThis->KernelMteAddr = MteAddr;
|
---|
| 1977 | pThis->PsLoadedModuleListAddr = Addr;
|
---|
| 1978 | pThis->f32Bit = true;
|
---|
[70338] | 1979 | pThis->fNt31 = fNt31;
|
---|
[31510] | 1980 | return true;
|
---|
| 1981 | }
|
---|
| 1982 | }
|
---|
[46128] | 1983 | else if (RT_SUCCESS(rc))
|
---|
| 1984 | {
|
---|
| 1985 | Log2(("DigWinNt: Wrong module: MteAddr=%RGv ImageAddr=%RGv SizeOfImage=%#x '%ls'\n",
|
---|
| 1986 | MteAddr.FlatPtr, KernelAddr.FlatPtr, uMte2.v32.SizeOfImage, u.wsz));
|
---|
| 1987 | break; /* Not NT kernel */
|
---|
| 1988 | }
|
---|
[31510] | 1989 | }
|
---|
| 1990 |
|
---|
| 1991 | /* next */
|
---|
[93470] | 1992 | pVMM->pfnDBGFR3AddrAdd(&HitAddr, 4);
|
---|
[46127] | 1993 | if (HitAddr.FlatPtr < uEnd)
|
---|
[93470] | 1994 | rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, &HitAddr, uEnd - HitAddr.FlatPtr,
|
---|
| 1995 | 4 /*align*/, &uMte.v32.DllBase, 3 * sizeof(uint32_t), &HitAddr);
|
---|
[31510] | 1996 | else
|
---|
| 1997 | rc = VERR_DBGF_MEM_NOT_FOUND;
|
---|
| 1998 | }
|
---|
| 1999 | }
|
---|
| 2000 | }
|
---|
[46127] | 2001 | else
|
---|
| 2002 | {
|
---|
| 2003 | IMAGE_NT_HEADERS64 const *pHdrs = (IMAGE_NT_HEADERS64 const *)&u.au8[u.MzHdr.e_lfanew];
|
---|
| 2004 | if ( pHdrs->Signature == IMAGE_NT_SIGNATURE
|
---|
| 2005 | && pHdrs->FileHeader.Machine == IMAGE_FILE_MACHINE_AMD64
|
---|
| 2006 | && pHdrs->FileHeader.SizeOfOptionalHeader == sizeof(pHdrs->OptionalHeader)
|
---|
| 2007 | && pHdrs->FileHeader.NumberOfSections >= 10 /* the kernel has lots */
|
---|
[57125] | 2008 | && (pHdrs->FileHeader.Characteristics & (IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL))
|
---|
| 2009 | == IMAGE_FILE_EXECUTABLE_IMAGE
|
---|
[46127] | 2010 | && pHdrs->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC
|
---|
| 2011 | && pHdrs->OptionalHeader.NumberOfRvaAndSizes == IMAGE_NUMBEROF_DIRECTORY_ENTRIES
|
---|
| 2012 | )
|
---|
| 2013 | {
|
---|
| 2014 | /* Find the MTE. */
|
---|
| 2015 | RT_ZERO(uMte.v64);
|
---|
| 2016 | uMte.v64.DllBase = KernelAddr.FlatPtr;
|
---|
| 2017 | uMte.v64.EntryPoint = KernelAddr.FlatPtr + pHdrs->OptionalHeader.AddressOfEntryPoint;
|
---|
| 2018 | uMte.v64.SizeOfImage = pHdrs->OptionalHeader.SizeOfImage;
|
---|
| 2019 | DBGFADDRESS ScanAddr;
|
---|
| 2020 | DBGFADDRESS HitAddr;
|
---|
[93470] | 2021 | rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, pVMM->pfnDBGFR3AddrFromFlat(pUVM, &ScanAddr, uStart),
|
---|
| 2022 | uEnd - uStart, 8 /*align*/, &uMte.v64.DllBase, 5 * sizeof(uint32_t), &HitAddr);
|
---|
[46127] | 2023 | while (RT_SUCCESS(rc))
|
---|
| 2024 | {
|
---|
[57125] | 2025 | /* Read the start of the MTE and check some basic members. */
|
---|
[46127] | 2026 | DBGFADDRESS MteAddr = HitAddr;
|
---|
[93470] | 2027 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 2028 | pVMM->pfnDBGFR3AddrSub(&MteAddr, RT_OFFSETOF(NTMTE64, DllBase)),
|
---|
| 2029 | &uMte2.v64, sizeof(uMte2.v64));
|
---|
[46127] | 2030 | if ( RT_SUCCESS(rc)
|
---|
| 2031 | && uMte2.v64.DllBase == uMte.v64.DllBase
|
---|
| 2032 | && uMte2.v64.EntryPoint == uMte.v64.EntryPoint
|
---|
| 2033 | && uMte2.v64.SizeOfImage == uMte.v64.SizeOfImage
|
---|
| 2034 | && WINNT64_VALID_ADDRESS(uMte2.v64.InLoadOrderLinks.Flink)
|
---|
| 2035 | && WINNT64_VALID_ADDRESS(uMte2.v64.BaseDllName.Buffer)
|
---|
| 2036 | && WINNT64_VALID_ADDRESS(uMte2.v64.FullDllName.Buffer)
|
---|
[46128] | 2037 | && uMte2.v64.BaseDllName.Length <= 128
|
---|
| 2038 | && uMte2.v64.FullDllName.Length <= 260
|
---|
[46127] | 2039 | )
|
---|
| 2040 | {
|
---|
[57125] | 2041 | /* Try read the base name and compare with known NT kernel names. */
|
---|
[93470] | 2042 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 2043 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr, uMte2.v64.BaseDllName.Buffer),
|
---|
| 2044 | u.wsz, uMte2.v64.BaseDllName.Length);
|
---|
[46127] | 2045 | u.wsz[uMte2.v64.BaseDllName.Length / 2] = '\0';
|
---|
| 2046 | if ( RT_SUCCESS(rc)
|
---|
| 2047 | && ( !RTUtf16ICmp(u.wsz, g_wszKernelNames[0])
|
---|
| 2048 | /* || !RTUtf16ICmp(u.wsz, g_wszKernelNames[1]) */
|
---|
| 2049 | )
|
---|
| 2050 | )
|
---|
| 2051 | {
|
---|
[57125] | 2052 | /* Read the link entry of the previous entry in the list and check that its
|
---|
| 2053 | forward pointer points at the MTE we've found. */
|
---|
[93470] | 2054 | rc = pVMM->pfnDBGFR3MemRead(pUVM, 0 /*idCpu*/,
|
---|
| 2055 | pVMM->pfnDBGFR3AddrFromFlat(pUVM, &Addr,
|
---|
| 2056 | uMte2.v64.InLoadOrderLinks.Blink),
|
---|
| 2057 | &uMte3.v64, RT_SIZEOFMEMB(NTMTE64, InLoadOrderLinks));
|
---|
[46127] | 2058 | if ( RT_SUCCESS(rc)
|
---|
| 2059 | && uMte3.v64.InLoadOrderLinks.Flink == MteAddr.FlatPtr
|
---|
| 2060 | && WINNT64_VALID_ADDRESS(uMte3.v64.InLoadOrderLinks.Blink) )
|
---|
| 2061 | {
|
---|
| 2062 | Log(("DigWinNt: MteAddr=%RGv KernelAddr=%RGv SizeOfImage=%x &PsLoadedModuleList=%RGv (32-bit)\n",
|
---|
| 2063 | MteAddr.FlatPtr, KernelAddr.FlatPtr, uMte2.v64.SizeOfImage, Addr.FlatPtr));
|
---|
| 2064 | pThis->KernelAddr = KernelAddr;
|
---|
| 2065 | pThis->KernelMteAddr = MteAddr;
|
---|
| 2066 | pThis->PsLoadedModuleListAddr = Addr;
|
---|
| 2067 | pThis->f32Bit = false;
|
---|
[70338] | 2068 | pThis->fNt31 = false;
|
---|
[46127] | 2069 | return true;
|
---|
| 2070 | }
|
---|
| 2071 | }
|
---|
| 2072 | else if (RT_SUCCESS(rc))
|
---|
| 2073 | {
|
---|
| 2074 | Log2(("DigWinNt: Wrong module: MteAddr=%RGv ImageAddr=%RGv SizeOfImage=%#x '%ls'\n",
|
---|
| 2075 | MteAddr.FlatPtr, KernelAddr.FlatPtr, uMte2.v64.SizeOfImage, u.wsz));
|
---|
| 2076 | break; /* Not NT kernel */
|
---|
| 2077 | }
|
---|
| 2078 | }
|
---|
| 2079 |
|
---|
| 2080 | /* next */
|
---|
[93470] | 2081 | pVMM->pfnDBGFR3AddrAdd(&HitAddr, 8);
|
---|
[46127] | 2082 | if (HitAddr.FlatPtr < uEnd)
|
---|
[93470] | 2083 | rc = pVMM->pfnDBGFR3MemScan(pUVM, 0 /*idCpu*/, &HitAddr, uEnd - HitAddr.FlatPtr,
|
---|
| 2084 | 8 /*align*/, &uMte.v64.DllBase, 3 * sizeof(uint32_t), &HitAddr);
|
---|
[46127] | 2085 | else
|
---|
| 2086 | rc = VERR_DBGF_MEM_NOT_FOUND;
|
---|
| 2087 | }
|
---|
| 2088 | }
|
---|
| 2089 | }
|
---|
[31510] | 2090 | }
|
---|
| 2091 | }
|
---|
[105532] | 2092 |
|
---|
| 2093 | return fRet;
|
---|
[31510] | 2094 | }
|
---|
| 2095 |
|
---|
| 2096 |
|
---|
| 2097 | /**
|
---|
| 2098 | * @copydoc DBGFOSREG::pfnDestruct
|
---|
| 2099 | */
|
---|
[93470] | 2100 | static DECLCALLBACK(void) dbgDiggerWinNtDestruct(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData)
|
---|
[31510] | 2101 | {
|
---|
[93470] | 2102 | RT_NOREF(pUVM, pVMM, pvData);
|
---|
[31510] | 2103 | }
|
---|
| 2104 |
|
---|
| 2105 |
|
---|
| 2106 | /**
|
---|
| 2107 | * @copydoc DBGFOSREG::pfnConstruct
|
---|
| 2108 | */
|
---|
[93470] | 2109 | static DECLCALLBACK(int) dbgDiggerWinNtConstruct(PUVM pUVM, PCVMMR3VTABLE pVMM, void *pvData)
|
---|
[31510] | 2110 | {
|
---|
[93470] | 2111 | RT_NOREF(pUVM, pVMM);
|
---|
[31510] | 2112 | PDBGDIGGERWINNT pThis = (PDBGDIGGERWINNT)pvData;
|
---|
[86103] | 2113 | pThis->fValid = false;
|
---|
| 2114 | pThis->f32Bit = false;
|
---|
| 2115 | pThis->enmVer = DBGDIGGERWINNTVER_UNKNOWN;
|
---|
| 2116 |
|
---|
| 2117 | pThis->IWinNt.u32Magic = DBGFOSIWINNT_MAGIC;
|
---|
| 2118 | pThis->IWinNt.pfnQueryVersion = dbgDiggerWinNtIWinNt_QueryVersion;
|
---|
| 2119 | pThis->IWinNt.pfnQueryKernelPtrs = dbgDiggerWinNtIWinNt_QueryKernelPtrs;
|
---|
| 2120 | pThis->IWinNt.pfnQueryKpcrForVCpu = dbgDiggerWinNtIWinNt_QueryKpcrForVCpu;
|
---|
| 2121 | pThis->IWinNt.pfnQueryCurThrdForVCpu = dbgDiggerWinNtIWinNt_QueryCurThrdForVCpu;
|
---|
| 2122 | pThis->IWinNt.u32EndMagic = DBGFOSIWINNT_MAGIC;
|
---|
| 2123 |
|
---|
[96867] | 2124 | #ifdef VBOX_DEBUGGER_WITH_WIN_DBG_PRINT_HOOKING
|
---|
| 2125 | pThis->hBpDbgPrint = NIL_DBGFBP;
|
---|
| 2126 | pThis->hBpOwnerDbgPrint = NIL_DBGFBPOWNER;
|
---|
| 2127 | #endif
|
---|
| 2128 |
|
---|
[31510] | 2129 | return VINF_SUCCESS;
|
---|
| 2130 | }
|
---|
| 2131 |
|
---|
| 2132 |
|
---|
| 2133 | const DBGFOSREG g_DBGDiggerWinNt =
|
---|
| 2134 | {
|
---|
[73460] | 2135 | /* .u32Magic = */ DBGFOSREG_MAGIC,
|
---|
| 2136 | /* .fFlags = */ 0,
|
---|
| 2137 | /* .cbData = */ sizeof(DBGDIGGERWINNT),
|
---|
| 2138 | /* .szName = */ "WinNT",
|
---|
| 2139 | /* .pfnConstruct = */ dbgDiggerWinNtConstruct,
|
---|
| 2140 | /* .pfnDestruct = */ dbgDiggerWinNtDestruct,
|
---|
| 2141 | /* .pfnProbe = */ dbgDiggerWinNtProbe,
|
---|
| 2142 | /* .pfnInit = */ dbgDiggerWinNtInit,
|
---|
| 2143 | /* .pfnRefresh = */ dbgDiggerWinNtRefresh,
|
---|
| 2144 | /* .pfnTerm = */ dbgDiggerWinNtTerm,
|
---|
| 2145 | /* .pfnQueryVersion = */ dbgDiggerWinNtQueryVersion,
|
---|
| 2146 | /* .pfnQueryInterface = */ dbgDiggerWinNtQueryInterface,
|
---|
| 2147 | /* .pfnStackUnwindAssist = */ dbgDiggerWinNtStackUnwindAssist,
|
---|
| 2148 | /* .u32EndMagic = */ DBGFOSREG_MAGIC
|
---|
[31510] | 2149 | };
|
---|
| 2150 |
|
---|