1 | /* $Id: DBGCRemoteKd.cpp 86234 2020-09-23 12:15:27Z vboxsync $ */
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2 | /** @file
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3 | * DBGC - Debugger Console, Windows Kd Remote Stub.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2020 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #include <VBox/dbg.h>
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23 | #include <VBox/vmm/dbgf.h>
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24 | #include <VBox/vmm/vmapi.h> /* VMR3GetVM() */
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25 | #include <VBox/vmm/hm.h> /* HMR3IsEnabled */
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26 | #include <VBox/vmm/nem.h> /* NEMR3IsEnabled */
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27 | #include <iprt/assertcompile.h>
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28 | #include <iprt/cdefs.h>
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29 | #include <iprt/err.h>
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30 | #include <iprt/list.h>
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31 | #include <iprt/mem.h>
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32 | #include <iprt/sg.h>
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33 | #include <iprt/string.h>
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34 | #include <iprt/time.h>
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35 | #include <iprt/x86.h>
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36 | #include <iprt/formats/pecoff.h>
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37 | #include <iprt/formats/mz.h>
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38 |
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39 | #include <stdlib.h>
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40 |
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41 | #include "DBGCInternal.h"
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42 |
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43 |
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44 | /*********************************************************************************************************************************
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45 | * Defined Constants And Macros *
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46 | *********************************************************************************************************************************/
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47 |
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48 | /** Number of milliseconds we wait for new data to arrive when a new packet was detected. */
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49 | #define DBGC_KD_RECV_TIMEOUT_MS UINT32_C(1000)
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50 |
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51 | /** NT status code - Success. */
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52 | #define NTSTATUS_SUCCESS 0
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53 | /** NT status code - operation unsuccesful. */
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54 | #define NTSTATUS_UNSUCCESSFUL UINT32_C(0xc0000001)
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55 | /** NT status code - operation not implemented. */
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56 | #define NTSTATUS_NOT_IMPLEMENTED UINT32_C(0xc0000002)
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57 |
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58 | /** Offset where the KD version block pointer is stored in the KPCR.
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59 | * From: https://www.geoffchappell.com/studies/windows/km/ntoskrnl/structs/kprcb/amd64.htm */
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60 | #define KD_KPCR_VERSION_BLOCK_ADDR_OFF 0x34
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61 |
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62 |
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63 | /*********************************************************************************************************************************
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64 | * Structures and Typedefs *
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65 | *********************************************************************************************************************************/
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66 |
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67 | /**
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68 | * KD packet header as sent over the wire.
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69 | */
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70 | typedef struct KDPACKETHDR
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71 | {
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72 | /** Packet signature (leader) - defines the type of packet. */
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73 | uint32_t u32Signature;
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74 | /** Packet (sub) type. */
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75 | uint16_t u16SubType;
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76 | /** Size of the packet body in bytes.*/
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77 | uint16_t cbBody;
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78 | /** Packet ID. */
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79 | uint32_t idPacket;
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80 | /** Checksum of the packet body. */
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81 | uint32_t u32ChkSum;
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82 | } KDPACKETHDR;
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83 | AssertCompileSize(KDPACKETHDR, 16);
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84 | /** Pointer to a packet header. */
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85 | typedef KDPACKETHDR *PKDPACKETHDR;
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86 | /** Pointer to a const packet header. */
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87 | typedef const KDPACKETHDR *PCKDPACKETHDR;
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88 |
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89 | /** Signature for a data packet. */
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90 | #define KD_PACKET_HDR_SIGNATURE_DATA UINT32_C(0x30303030)
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91 | /** First byte for a data packet header. */
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92 | #define KD_PACKET_HDR_SIGNATURE_DATA_BYTE 0x30
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93 | /** Signature for a control packet. */
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94 | #define KD_PACKET_HDR_SIGNATURE_CONTROL UINT32_C(0x69696969)
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95 | /** First byte for a control packet header. */
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96 | #define KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE 0x69
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97 | /** Signature for a breakin packet. */
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98 | #define KD_PACKET_HDR_SIGNATURE_BREAKIN UINT32_C(0x62626262)
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99 | /** First byte for a breakin packet header. */
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100 | #define KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE 0x62
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101 |
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102 | /** @name Packet sub types.
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103 | * @{ */
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104 | #define KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32 UINT16_C(1)
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105 | #define KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE UINT16_C(2)
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106 | #define KD_PACKET_HDR_SUB_TYPE_DEBUG_IO UINT16_C(3)
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107 | #define KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE UINT16_C(4)
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108 | #define KD_PACKET_HDR_SUB_TYPE_RESEND UINT16_C(5)
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109 | #define KD_PACKET_HDR_SUB_TYPE_RESET UINT16_C(6)
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110 | #define KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64 UINT16_C(7)
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111 | #define KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN UINT16_C(8)
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112 | #define KD_PACKET_HDR_SUB_TYPE_TRACE_IO UINT16_C(9)
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113 | #define KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST UINT16_C(10)
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114 | #define KD_PACKET_HDR_SUB_TYPE_FILE_IO UINT16_C(11)
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115 | #define KD_PACKET_HDR_SUB_TYPE_MAX UINT16_C(12)
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116 | /** @} */
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117 |
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118 | /** Initial packet ID value. */
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119 | #define KD_PACKET_HDR_ID_INITIAL UINT32_C(0x80800800)
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120 | /** Packet ID value after a resync. */
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121 | #define KD_PACKET_HDR_ID_RESET UINT32_C(0x80800000)
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122 |
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123 | /** Trailing byte of a packet. */
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124 | #define KD_PACKET_TRAILING_BYTE 0xaa
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125 |
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126 |
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127 | /** Maximum number of parameters in the exception record. */
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128 | #define KDPACKETEXCP_PARMS_MAX 15
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129 |
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130 | /**
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131 | * 64bit exception record.
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132 | */
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133 | typedef struct KDPACKETEXCP64
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134 | {
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135 | /** The exception code identifying the excpetion. */
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136 | uint32_t u32ExcpCode;
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137 | /** Flags associated with the exception. */
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138 | uint32_t u32ExcpFlags;
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139 | /** Pointer to a chained exception record. */
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140 | uint64_t u64PtrExcpRecNested;
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141 | /** Address where the exception occurred. */
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142 | uint64_t u64PtrExcpAddr;
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143 | /** Number of parameters in the exception information array. */
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144 | uint32_t cExcpParms;
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145 | /** Alignment. */
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146 | uint32_t u32Alignment;
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147 | /** Exception parameters array. */
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148 | uint64_t au64ExcpParms[KDPACKETEXCP_PARMS_MAX];
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149 | } KDPACKETEXCP64;
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150 | AssertCompileSize(KDPACKETEXCP64, 152);
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151 | /** Pointer to an exception record. */
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152 | typedef KDPACKETEXCP64 *PKDPACKETEXCP64;
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153 | /** Pointer to a const exception record. */
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154 | typedef const KDPACKETEXCP64 *PCKDPACKETEXCP64;
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155 |
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156 |
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157 | /**
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158 | * amd64 NT context structure.
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159 | */
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160 | typedef struct NTCONTEXT64
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161 | {
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162 | /** The P[1-6]Home members. */
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163 | uint64_t au64PHome[6];
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164 | /** Context flags indicating the valid bits, see NTCONTEXT_F_XXX. */
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165 | uint32_t fContext;
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166 | /** MXCSR register. */
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167 | uint32_t u32RegMxCsr;
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168 | /** CS selector. */
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169 | uint16_t u16SegCs;
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170 | /** DS selector. */
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171 | uint16_t u16SegDs;
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172 | /** ES selector. */
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173 | uint16_t u16SegEs;
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174 | /** FS selector. */
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175 | uint16_t u16SegFs;
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176 | /** GS selector. */
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177 | uint16_t u16SegGs;
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178 | /** SS selector. */
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179 | uint16_t u16SegSs;
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180 | /** EFlags register. */
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181 | uint32_t u32RegEflags;
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182 | /** DR0 register. */
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183 | uint64_t u64RegDr0;
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184 | /** DR1 register. */
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185 | uint64_t u64RegDr1;
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186 | /** DR2 register. */
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187 | uint64_t u64RegDr2;
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188 | /** DR3 register. */
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189 | uint64_t u64RegDr3;
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190 | /** DR6 register. */
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191 | uint64_t u64RegDr6;
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192 | /** DR7 register. */
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193 | uint64_t u64RegDr7;
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194 | /** RAX register. */
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195 | uint64_t u64RegRax;
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196 | /** RCX register. */
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197 | uint64_t u64RegRcx;
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198 | /** RDX register. */
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199 | uint64_t u64RegRdx;
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200 | /** RBX register. */
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201 | uint64_t u64RegRbx;
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202 | /** RSP register. */
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203 | uint64_t u64RegRsp;
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204 | /** RBP register. */
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205 | uint64_t u64RegRbp;
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206 | /** RSI register. */
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207 | uint64_t u64RegRsi;
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208 | /** RDI register. */
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209 | uint64_t u64RegRdi;
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210 | /** R8 register. */
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211 | uint64_t u64RegR8;
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212 | /** R9 register. */
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213 | uint64_t u64RegR9;
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214 | /** R10 register. */
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215 | uint64_t u64RegR10;
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216 | /** R11 register. */
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217 | uint64_t u64RegR11;
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218 | /** R12 register. */
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219 | uint64_t u64RegR12;
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220 | /** R13 register. */
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221 | uint64_t u64RegR13;
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222 | /** R14 register. */
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223 | uint64_t u64RegR14;
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224 | /** R15 register. */
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225 | uint64_t u64RegR15;
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226 | /** RIP register. */
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227 | uint64_t u64RegRip;
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228 | /** Extended floating point save area. */
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229 | X86FXSTATE FxSave;
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230 | /** AVX(?) vector registers. */
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231 | RTUINT128U aRegsVec[26];
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232 | /** Vector control register. */
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233 | uint64_t u64RegVecCtrl;
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234 | /** Debug control. */
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235 | uint64_t u64DbgCtrl;
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236 | /** @todo */
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237 | uint64_t u64LastBrToRip;
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238 | uint64_t u64LastBrFromRip;
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239 | uint64_t u64LastExcpToRip;
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240 | uint64_t u64LastExcpFromRip;
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241 | } NTCONTEXT64;
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242 | AssertCompileSize(NTCONTEXT64, 1232);
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243 | AssertCompileMemberOffset(NTCONTEXT64, FxSave, 0x100);
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244 | AssertCompileMemberOffset(NTCONTEXT64, aRegsVec, 0x300);
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245 | /** Pointer to an amd64 NT context. */
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246 | typedef NTCONTEXT64 *PNTCONTEXT64;
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247 | /** Pointer to a const amd64 NT context. */
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248 | typedef const NTCONTEXT64 *PCNTCONTEXT64;
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249 |
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250 |
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251 | /**
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252 | * 64bit [GI]DT descriptor.
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253 | */
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254 | typedef struct NTKCONTEXTDESC64
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255 | {
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256 | /** Alignment. */
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257 | uint16_t au16Alignment[3];
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258 | /** Limit. */
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259 | uint16_t u16Limit;
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260 | /** Base address. */
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261 | uint64_t u64PtrBase;
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262 | } NTKCONTEXTDESC64;
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263 | AssertCompileSize(NTKCONTEXTDESC64, 2 * 8);
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264 | /** Pointer to a 64bit [GI]DT descriptor. */
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265 | typedef NTKCONTEXTDESC64 *PNTKCONTEXTDESC64;
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266 | /** Pointer to a const 64bit [GI]DT descriptor. */
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267 | typedef const NTKCONTEXTDESC64 *PCNTKCONTEXTDESC64;
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268 |
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269 |
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270 | /**
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271 | * Kernel context as queried by KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE
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272 | */
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273 | typedef struct NTKCONTEXT64
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274 | {
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275 | /** CR0 register. */
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276 | uint64_t u64RegCr0;
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277 | /** CR2 register. */
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278 | uint64_t u64RegCr2;
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279 | /** CR3 register. */
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280 | uint64_t u64RegCr3;
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281 | /** CR4 register. */
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282 | uint64_t u64RegCr4;
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283 | /** DR0 register. */
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284 | uint64_t u64RegDr0;
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285 | /** DR1 register. */
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286 | uint64_t u64RegDr1;
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287 | /** DR2 register. */
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288 | uint64_t u64RegDr2;
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289 | /** DR3 register. */
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290 | uint64_t u64RegDr3;
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291 | /** DR6 register. */
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292 | uint64_t u64RegDr6;
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293 | /** DR7 register. */
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294 | uint64_t u64RegDr7;
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295 | /** GDTR. */
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296 | NTKCONTEXTDESC64 Gdtr;
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297 | /** IDTR. */
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298 | NTKCONTEXTDESC64 Idtr;
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299 | /** TR register. */
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300 | uint16_t u16RegTr;
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301 | /** LDTR register. */
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302 | uint16_t u16RegLdtr;
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303 | /** MXCSR register. */
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304 | uint32_t u32RegMxCsr;
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305 | /** Debug control. */
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306 | uint64_t u64DbgCtrl;
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307 | /** @todo */
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308 | uint64_t u64LastBrToRip;
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309 | uint64_t u64LastBrFromRip;
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310 | uint64_t u64LastExcpToRip;
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311 | uint64_t u64LastExcpFromRip;
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312 | /** CR8 register. */
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313 | uint64_t u64RegCr8;
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314 | /** GS base MSR register. */
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315 | uint64_t u64MsrGsBase;
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316 | /** Kernel GS base MSR register. */
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317 | uint64_t u64MsrKernelGsBase;
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318 | /** STAR MSR register. */
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319 | uint64_t u64MsrStar;
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320 | /** LSTAR MSR register. */
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321 | uint64_t u64MsrLstar;
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322 | /** CSTAR MSR register. */
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323 | uint64_t u64MsrCstar;
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324 | /** SFMASK MSR register. */
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325 | uint64_t u64MsrSfMask;
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326 | /** XCR0 register. */
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327 | uint64_t u64RegXcr0;
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328 | /** Standard context. */
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329 | NTCONTEXT64 Ctx;
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330 | } NTKCONTEXT64;
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331 | AssertCompileMemberOffset(NTKCONTEXT64, Ctx, 224);
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332 | /** Pointer to an amd64 NT context. */
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333 | typedef NTKCONTEXT64 *PNTKCONTEXT64;
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334 | /** Pointer to a const amd64 NT context. */
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335 | typedef const NTKCONTEXT64 *PCNTKCONTEXT64;
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336 |
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337 |
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338 | /**
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339 | * 32bit context FPU save area.
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340 | */
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341 | typedef struct NTCONTEXT32_FPU_SAVE_AREA
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342 | {
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343 | uint32_t u32CtrlWord;
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344 | uint32_t u32StatusWord;
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345 | uint32_t u32TagWord;
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346 | uint32_t u32ErrorOff;
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347 | uint32_t u32ErrorSel;
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348 | uint32_t u32DataOff;
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349 | uint32_t u32DataSel;
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350 | uint8_t abRegArea[80];
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351 | uint32_t u32Cr0Npx;
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352 | } NTCONTEXT32_FPU_SAVE_AREA;
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353 | /** Pointer to an 32bit context FPU save area. */
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354 | typedef NTCONTEXT32_FPU_SAVE_AREA *PNTCONTEXT32_FPU_SAVE_AREA;
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355 | /** Pointer to a const 32bit context FPU save area. */
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356 | typedef const NTCONTEXT32_FPU_SAVE_AREA *PCNTCONTEXT32_FPU_SAVE_AREA;
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357 |
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358 |
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359 | /**
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360 | * i386 NT context structure.
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361 | */
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362 | typedef struct NTCONTEXT32
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363 | {
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364 | /** Context flags indicating the valid bits, see NTCONTEXT_F_XXX. */
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365 | uint32_t fContext;
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366 | /** DR0 register. */
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367 | uint32_t u32RegDr0;
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368 | /** DR1 register. */
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369 | uint32_t u32RegDr1;
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370 | /** DR2 register. */
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371 | uint32_t u32RegDr2;
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372 | /** DR3 register. */
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373 | uint32_t u32RegDr3;
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374 | /** DR6 register. */
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375 | uint32_t u32RegDr6;
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376 | /** DR7 register. */
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377 | uint32_t u32RegDr7;
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378 | /** Floating point save area. */
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379 | NTCONTEXT32_FPU_SAVE_AREA FloatSave;
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380 | /** GS segment. */
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381 | uint32_t u32SegGs;
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382 | /** FS segment. */
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383 | uint32_t u32SegFs;
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384 | /** ES segment. */
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385 | uint32_t u32SegEs;
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386 | /** DS segment. */
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387 | uint32_t u32SegDs;
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388 | /** EDI register. */
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389 | uint32_t u32RegEdi;
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390 | /** ESI register. */
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391 | uint32_t u32RegEsi;
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392 | /** EBX register. */
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393 | uint32_t u32RegEbx;
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394 | /** EDX register. */
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395 | uint32_t u32RegEdx;
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396 | /** ECX register. */
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397 | uint32_t u32RegEcx;
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398 | /** EAX register. */
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399 | uint32_t u32RegEax;
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400 | /** EBP register. */
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401 | uint32_t u32RegEbp;
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402 | /** EIP register. */
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403 | uint32_t u32RegEip;
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404 | /** CS segment. */
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405 | uint32_t u32SegCs;
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406 | /** EFLAGS register. */
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407 | uint32_t u32RegEflags;
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408 | /** ESP register. */
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409 | uint32_t u32RegEsp;
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410 | /** SS segment. */
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411 | uint32_t u32SegSs;
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412 | /** @todo Extended registers */
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413 | uint8_t abRegsExtended[512];
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414 | } NTCONTEXT32;
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415 | AssertCompileSize(NTCONTEXT32, 716);
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416 | /** Pointer to an i386 NT context. */
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417 | typedef NTCONTEXT32 *PNTCONTEXT32;
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418 | /** Pointer to a const i386 NT context. */
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419 | typedef const NTCONTEXT32 *PCNTCONTEXT32;
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420 |
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421 |
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422 | /**
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423 | * 32bit [GI]DT descriptor.
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424 | */
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425 | typedef struct NTKCONTEXTDESC32
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426 | {
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427 | /** Alignment. */
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428 | uint16_t u16Alignment;
|
---|
429 | /** Limit. */
|
---|
430 | uint16_t u16Limit;
|
---|
431 | /** Base address. */
|
---|
432 | uint32_t u32PtrBase;
|
---|
433 | } NTKCONTEXTDESC32;
|
---|
434 | AssertCompileSize(NTKCONTEXTDESC32, 2 * 4);
|
---|
435 | /** Pointer to an 32bit [GI]DT descriptor. */
|
---|
436 | typedef NTKCONTEXTDESC32 *PNTKCONTEXTDESC32;
|
---|
437 | /** Pointer to a const 32bit [GI]DT descriptor. */
|
---|
438 | typedef const NTKCONTEXTDESC32 *PCNTKCONTEXTDESC32;
|
---|
439 |
|
---|
440 |
|
---|
441 | /**
|
---|
442 | * 32bit Kernel context as queried by KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE
|
---|
443 | */
|
---|
444 | typedef struct NTKCONTEXT32
|
---|
445 | {
|
---|
446 | /** CR0 register. */
|
---|
447 | uint32_t u32RegCr0;
|
---|
448 | /** CR2 register. */
|
---|
449 | uint32_t u32RegCr2;
|
---|
450 | /** CR3 register. */
|
---|
451 | uint32_t u32RegCr3;
|
---|
452 | /** CR4 register. */
|
---|
453 | uint32_t u32RegCr4;
|
---|
454 | /** DR0 register. */
|
---|
455 | uint32_t u32RegDr0;
|
---|
456 | /** DR1 register. */
|
---|
457 | uint32_t u32RegDr1;
|
---|
458 | /** DR2 register. */
|
---|
459 | uint32_t u32RegDr2;
|
---|
460 | /** DR3 register. */
|
---|
461 | uint32_t u32RegDr3;
|
---|
462 | /** DR6 register. */
|
---|
463 | uint32_t u32RegDr6;
|
---|
464 | /** DR7 register. */
|
---|
465 | uint32_t u32RegDr7;
|
---|
466 | /** GDTR. */
|
---|
467 | NTKCONTEXTDESC32 Gdtr;
|
---|
468 | /** IDTR. */
|
---|
469 | NTKCONTEXTDESC32 Idtr;
|
---|
470 | /** TR register. */
|
---|
471 | uint16_t u16RegTr;
|
---|
472 | /** LDTR register. */
|
---|
473 | uint16_t u16RegLdtr;
|
---|
474 | /** Padding. */
|
---|
475 | uint8_t abPad[24];
|
---|
476 | } NTKCONTEXT32;
|
---|
477 | AssertCompileSize(NTKCONTEXT32, 84);
|
---|
478 | /** Pointer to an i386 NT context. */
|
---|
479 | typedef NTKCONTEXT32 *PNTKCONTEXT32;
|
---|
480 | /** Pointer to a const i386 NT context. */
|
---|
481 | typedef const NTKCONTEXT32 *PCNTKCONTEXT32;
|
---|
482 |
|
---|
483 |
|
---|
484 | /** x86 context. */
|
---|
485 | #define NTCONTEXT_F_X86 UINT32_C(0x00010000)
|
---|
486 | /** AMD64 context. */
|
---|
487 | #define NTCONTEXT_F_AMD64 UINT32_C(0x00100000)
|
---|
488 | /** Control registers valid (CS, (R)SP, (R)IP, FLAGS and BP). */
|
---|
489 | #define NTCONTEXT_F_CONTROL RT_BIT_32(0)
|
---|
490 | /** Integer registers valid. */
|
---|
491 | #define NTCONTEXT_F_INTEGER RT_BIT_32(1)
|
---|
492 | /** Segment registers valid. */
|
---|
493 | #define NTCONTEXT_F_SEGMENTS RT_BIT_32(2)
|
---|
494 | /** Floating point registers valid. */
|
---|
495 | #define NTCONTEXT_F_FLOATING_POINT RT_BIT_32(3)
|
---|
496 | /** Debug registers valid. */
|
---|
497 | #define NTCONTEXT_F_DEBUG RT_BIT_32(4)
|
---|
498 | /** Extended registers valid (x86 only). */
|
---|
499 | #define NTCONTEXT_F_EXTENDED RT_BIT_32(5)
|
---|
500 | /** Full x86 context valid. */
|
---|
501 | #define NTCONTEXT32_F_FULL (NTCONTEXT_F_X86 | NTCONTEXT_F_CONTROL | NTCONTEXT_F_INTEGER | NTCONTEXT_F_SEGMENTS)
|
---|
502 | /** Full amd64 context valid. */
|
---|
503 | #define NTCONTEXT64_F_FULL (NTCONTEXT_F_AMD64 | NTCONTEXT_F_CONTROL | NTCONTEXT_F_INTEGER | NTCONTEXT_F_SEGMENTS)
|
---|
504 |
|
---|
505 |
|
---|
506 | /**
|
---|
507 | * 32bit exception record.
|
---|
508 | */
|
---|
509 | typedef struct KDPACKETEXCP32
|
---|
510 | {
|
---|
511 | /** The exception code identifying the excpetion. */
|
---|
512 | uint32_t u32ExcpCode;
|
---|
513 | /** Flags associated with the exception. */
|
---|
514 | uint32_t u32ExcpFlags;
|
---|
515 | /** Pointer to a chained exception record. */
|
---|
516 | uint32_t u32PtrExcpRecNested;
|
---|
517 | /** Address where the exception occurred. */
|
---|
518 | uint32_t u32PtrExcpAddr;
|
---|
519 | /** Number of parameters in the exception information array. */
|
---|
520 | uint32_t cExcpParms;
|
---|
521 | /** Exception parameters array. */
|
---|
522 | uint32_t au32ExcpParms[KDPACKETEXCP_PARMS_MAX];
|
---|
523 | } KDPACKETEXCP32;
|
---|
524 | AssertCompileSize(KDPACKETEXCP32, 80);
|
---|
525 | /** Pointer to an exception record. */
|
---|
526 | typedef KDPACKETEXCP32 *PKDPACKETEXCP32;
|
---|
527 | /** Pointer to a const exception record. */
|
---|
528 | typedef const KDPACKETEXCP32 *PCKDPACKETEXCP32;
|
---|
529 |
|
---|
530 |
|
---|
531 | /** @name Exception codes.
|
---|
532 | * @{ */
|
---|
533 | /** A breakpoint was hit. */
|
---|
534 | #define KD_PACKET_EXCP_CODE_BKPT UINT32_C(0x80000003)
|
---|
535 | /** An instruction was single stepped. */
|
---|
536 | #define KD_PACKET_EXCP_CODE_SINGLE_STEP UINT32_C(0x80000004)
|
---|
537 | /** @} */
|
---|
538 |
|
---|
539 |
|
---|
540 | /** Maximum number of bytes in the instruction stream. */
|
---|
541 | #define KD_PACKET_CTRL_REPORT_INSN_STREAM_MAX 16
|
---|
542 |
|
---|
543 | /**
|
---|
544 | * 64bit control report record.
|
---|
545 | */
|
---|
546 | typedef struct KDPACKETCTRLREPORT64
|
---|
547 | {
|
---|
548 | /** Value of DR6. */
|
---|
549 | uint64_t u64RegDr6;
|
---|
550 | /** Value of DR7. */
|
---|
551 | uint64_t u64RegDr7;
|
---|
552 | /** EFLAGS. */
|
---|
553 | uint32_t u32RegEflags;
|
---|
554 | /** Number of instruction bytes in the instruction stream. */
|
---|
555 | uint16_t cbInsnStream;
|
---|
556 | /** Report flags. */
|
---|
557 | uint16_t fFlags;
|
---|
558 | /** The instruction stream. */
|
---|
559 | uint8_t abInsn[KD_PACKET_CTRL_REPORT_INSN_STREAM_MAX];
|
---|
560 | /** CS selector. */
|
---|
561 | uint16_t u16SegCs;
|
---|
562 | /** DS selector. */
|
---|
563 | uint16_t u16SegDs;
|
---|
564 | /** ES selector. */
|
---|
565 | uint16_t u16SegEs;
|
---|
566 | /** FS selector. */
|
---|
567 | uint16_t u16SegFs;
|
---|
568 | } KDPACKETCTRLREPORT64;
|
---|
569 | AssertCompileSize(KDPACKETCTRLREPORT64, 2 * 8 + 4 + 2 * 2 + 16 + 4 * 2);
|
---|
570 | /** Pointer to a control report record. */
|
---|
571 | typedef KDPACKETCTRLREPORT64 *PKDPACKETCTRLREPORT64;
|
---|
572 | /** Pointer to a const control report record. */
|
---|
573 | typedef const KDPACKETCTRLREPORT64 *PCKDPACKETCTRLREPORT64;
|
---|
574 |
|
---|
575 |
|
---|
576 | /**
|
---|
577 | * 64bit state change packet body.
|
---|
578 | */
|
---|
579 | typedef struct KDPACKETSTATECHANGE64
|
---|
580 | {
|
---|
581 | /** The new state. */
|
---|
582 | uint32_t u32StateNew;
|
---|
583 | /** The processor level. */
|
---|
584 | uint16_t u16CpuLvl;
|
---|
585 | /** The processor ID generating the state change. */
|
---|
586 | uint16_t idCpu;
|
---|
587 | /** Number of processors in the system. */
|
---|
588 | uint32_t cCpus;
|
---|
589 | /** Alignment. */
|
---|
590 | uint32_t u32Alignment;
|
---|
591 | /** The thread ID currently executing when the state change occurred. */
|
---|
592 | uint64_t idThread;
|
---|
593 | /** Program counter of the thread. */
|
---|
594 | uint64_t u64RipThread;
|
---|
595 | /** Data based on the state. */
|
---|
596 | union
|
---|
597 | {
|
---|
598 | /** Exception occurred data. */
|
---|
599 | struct
|
---|
600 | {
|
---|
601 | /** The exception record. */
|
---|
602 | KDPACKETEXCP64 ExcpRec;
|
---|
603 | /** First chance(?). */
|
---|
604 | uint32_t u32FirstChance;
|
---|
605 | } Exception;
|
---|
606 | } u;
|
---|
607 | /** The control report */
|
---|
608 | union
|
---|
609 | {
|
---|
610 | /** AMD64 control report. */
|
---|
611 | KDPACKETCTRLREPORT64 Amd64;
|
---|
612 | } uCtrlReport;
|
---|
613 | } KDPACKETSTATECHANGE64;
|
---|
614 | //AssertCompileSize(KDPACKETSTATECHANGE64, 4 + 2 * 2 + 2 * 4 + 2 * 8 + sizeof(KDPACKETEXCP64) + 4 + sizeof(KDPACKETCTRLREPORT64));
|
---|
615 | /** Pointer to a 64bit state change packet body. */
|
---|
616 | typedef KDPACKETSTATECHANGE64 *PKDPACKETSTATECHANGE64;
|
---|
617 | /** Pointer to a const 64bit state change packet body. */
|
---|
618 | typedef const KDPACKETSTATECHANGE64 *PCKDPACKETSTATECHANGE64;
|
---|
619 |
|
---|
620 |
|
---|
621 | /** @name State change state types.
|
---|
622 | * @{ */
|
---|
623 | /** Minimum state change type. */
|
---|
624 | #define KD_PACKET_STATE_CHANGE_MIN UINT32_C(0x00003030)
|
---|
625 | /** An exception occured. */
|
---|
626 | #define KD_PACKET_STATE_CHANGE_EXCEPTION KD_PACKET_STATE_CHANGE_MIN
|
---|
627 | /** Symbols were loaded(?). */
|
---|
628 | #define KD_PACKET_STATE_CHANGE_LOAD_SYMBOLS UINT32_C(0x00003031)
|
---|
629 | /** Command string (custom command was executed?). */
|
---|
630 | #define KD_PACKET_STATE_CHANGE_CMD_STRING UINT32_C(0x00003032)
|
---|
631 | /** Maximum state change type (exclusive). */
|
---|
632 | #define KD_PACKET_STATE_CHANGE_MAX UINT32_C(0x00003033)
|
---|
633 | /** @} */
|
---|
634 |
|
---|
635 |
|
---|
636 | /**
|
---|
637 | * Debug I/O payload.
|
---|
638 | */
|
---|
639 | typedef struct KDPACKETDEBUGIO
|
---|
640 | {
|
---|
641 | /** Debug I/O payload type (KD_PACKET_DEBUG_IO_STRING). */
|
---|
642 | uint32_t u32Type;
|
---|
643 | /** The processor level. */
|
---|
644 | uint16_t u16CpuLvl;
|
---|
645 | /** The processor ID generating this packet. */
|
---|
646 | uint16_t idCpu;
|
---|
647 | /** Type dependent data. */
|
---|
648 | union
|
---|
649 | {
|
---|
650 | /** Debug string sent. */
|
---|
651 | struct
|
---|
652 | {
|
---|
653 | /** Length of the string following in bytes. */
|
---|
654 | uint32_t cbStr;
|
---|
655 | /** Some padding it looks like. */
|
---|
656 | uint32_t u32Pad;
|
---|
657 | } Str;
|
---|
658 | /** Debug prompt. */
|
---|
659 | struct
|
---|
660 | {
|
---|
661 | /** Length of prompt. */
|
---|
662 | uint32_t cbPrompt;
|
---|
663 | /** Size of the string returned on success. */
|
---|
664 | uint32_t cbReturn;
|
---|
665 | } Prompt;
|
---|
666 | } u;
|
---|
667 | } KDPACKETDEBUGIO;
|
---|
668 | AssertCompileSize(KDPACKETDEBUGIO, 16);
|
---|
669 | /** Pointer to a Debug I/O payload. */
|
---|
670 | typedef KDPACKETDEBUGIO *PKDPACKETDEBUGIO;
|
---|
671 | /** Pointer to a const Debug I/O payload. */
|
---|
672 | typedef const KDPACKETDEBUGIO *PCKDPACKETDEBUGIO;
|
---|
673 |
|
---|
674 |
|
---|
675 | /** @name Debug I/O types.
|
---|
676 | * @{ */
|
---|
677 | /** Debug string output (usually DbgPrint() and friends). */
|
---|
678 | #define KD_PACKET_DEBUG_IO_STRING UINT32_C(0x00003230)
|
---|
679 | /** Get debug string (DbgPrompt()). */
|
---|
680 | #define KD_PACKET_DEBUG_IO_GET_STRING UINT32_C(0x00003231)
|
---|
681 | /** @} */
|
---|
682 |
|
---|
683 |
|
---|
684 | /**
|
---|
685 | * 64bit get version manipulate payload.
|
---|
686 | */
|
---|
687 | typedef struct KDPACKETMANIPULATE_GETVERSION64
|
---|
688 | {
|
---|
689 | /** Major version. */
|
---|
690 | uint16_t u16VersMaj;
|
---|
691 | /** Minor version. */
|
---|
692 | uint16_t u16VersMin;
|
---|
693 | /** Protocol version. */
|
---|
694 | uint8_t u8VersProtocol;
|
---|
695 | /** KD secondary version. */
|
---|
696 | uint8_t u8VersKdSecondary;
|
---|
697 | /** Flags. */
|
---|
698 | uint16_t fFlags;
|
---|
699 | /** Machine type. */
|
---|
700 | uint16_t u16MachineType;
|
---|
701 | /** Maximum packet type. */
|
---|
702 | uint8_t u8MaxPktType;
|
---|
703 | /** Maximum state change */
|
---|
704 | uint8_t u8MaxStateChange;
|
---|
705 | /** Maximum manipulate request ID. */
|
---|
706 | uint8_t u8MaxManipulate;
|
---|
707 | /** Some simulation flag. */
|
---|
708 | uint8_t u8Simulation;
|
---|
709 | /** Padding. */
|
---|
710 | uint16_t u16Padding;
|
---|
711 | /** Kernel base. */
|
---|
712 | uint64_t u64PtrKernBase;
|
---|
713 | /** Pointer of the loaded module list head. */
|
---|
714 | uint64_t u64PtrPsLoadedModuleList;
|
---|
715 | /** Pointer of the debugger data list. */
|
---|
716 | uint64_t u64PtrDebuggerDataList;
|
---|
717 | } KDPACKETMANIPULATE_GETVERSION64;
|
---|
718 | AssertCompileSize(KDPACKETMANIPULATE_GETVERSION64, 40);
|
---|
719 | /** Pointer to a 64bit get version manipulate payload. */
|
---|
720 | typedef KDPACKETMANIPULATE_GETVERSION64 *PKDPACKETMANIPULATE_GETVERSION64;
|
---|
721 | /** Pointer to a const 64bit get version manipulate payload. */
|
---|
722 | typedef const KDPACKETMANIPULATE_GETVERSION64 *PCKDPACKETMANIPULATE_GETVERSION64;
|
---|
723 |
|
---|
724 |
|
---|
725 | /** @name Get version flags.
|
---|
726 | * @{ */
|
---|
727 | /** Flag whether this is a multi processor kernel. */
|
---|
728 | #define KD_PACKET_MANIPULATE64_GET_VERSION_F_MP RT_BIT_32(0)
|
---|
729 | /** Flag whether the pointer is 64bit. */
|
---|
730 | #define KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64 RT_BIT_32(2)
|
---|
731 | /** @} */
|
---|
732 |
|
---|
733 |
|
---|
734 | /**
|
---|
735 | * 64bit memory transfer manipulate payload.
|
---|
736 | */
|
---|
737 | typedef struct KDPACKETMANIPULATE_XFERMEM64
|
---|
738 | {
|
---|
739 | /** Target base address. */
|
---|
740 | uint64_t u64PtrTarget;
|
---|
741 | /** Requested number of bytes to transfer*/
|
---|
742 | uint32_t cbXferReq;
|
---|
743 | /** Number of bytes actually transferred (response). */
|
---|
744 | uint32_t cbXfered;
|
---|
745 | /** Some padding?. */
|
---|
746 | uint64_t au64Pad[3];
|
---|
747 | } KDPACKETMANIPULATE_XFERMEM64;
|
---|
748 | AssertCompileSize(KDPACKETMANIPULATE_XFERMEM64, 40);
|
---|
749 | /** Pointer to a 64bit memory transfer manipulate payload. */
|
---|
750 | typedef KDPACKETMANIPULATE_XFERMEM64 *PKDPACKETMANIPULATE_XFERMEM64;
|
---|
751 | /** Pointer to a const 64bit memory transfer manipulate payload. */
|
---|
752 | typedef const KDPACKETMANIPULATE_XFERMEM64 *PCKDPACKETMANIPULATE_XFERMEM64;
|
---|
753 |
|
---|
754 |
|
---|
755 | /**
|
---|
756 | * 64bit control space transfer manipulate payload.
|
---|
757 | *
|
---|
758 | * @note Same layout as the memory transfer but the pointer has a different meaning so
|
---|
759 | * we moved it into a separate request structure.
|
---|
760 | */
|
---|
761 | typedef struct KDPACKETMANIPULATE_XFERCTRLSPACE64
|
---|
762 | {
|
---|
763 | /** Identifier of the item to transfer in the control space. */
|
---|
764 | uint64_t u64IdXfer;
|
---|
765 | /** Requested number of bytes to transfer*/
|
---|
766 | uint32_t cbXferReq;
|
---|
767 | /** Number of bytes actually transferred (response). */
|
---|
768 | uint32_t cbXfered;
|
---|
769 | /** Some padding?. */
|
---|
770 | uint64_t au64Pad[3];
|
---|
771 | } KDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
772 | AssertCompileSize(KDPACKETMANIPULATE_XFERCTRLSPACE64, 40);
|
---|
773 | /** Pointer to a 64bit memory transfer manipulate payload. */
|
---|
774 | typedef KDPACKETMANIPULATE_XFERCTRLSPACE64 *PKDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
775 | /** Pointer to a const 64bit memory transfer manipulate payload. */
|
---|
776 | typedef const KDPACKETMANIPULATE_XFERCTRLSPACE64 *PCKDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
777 |
|
---|
778 |
|
---|
779 | /** @name Known control space identifiers.
|
---|
780 | * @{ */
|
---|
781 | /** Read/Write KPCR address. */
|
---|
782 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR UINT64_C(0)
|
---|
783 | /** Read/Write KPCRB address. */
|
---|
784 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB UINT64_C(1)
|
---|
785 | /** Read/Write Kernel context. */
|
---|
786 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX UINT64_C(2)
|
---|
787 | /** Read/Write current kernel thread. */
|
---|
788 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD UINT64_C(3)
|
---|
789 | /** @} */
|
---|
790 |
|
---|
791 |
|
---|
792 | /**
|
---|
793 | * 64bit restore breakpoint manipulate payload.
|
---|
794 | */
|
---|
795 | typedef struct KDPACKETMANIPULATE_RESTOREBKPT64
|
---|
796 | {
|
---|
797 | /** The breakpoint handle to restore. */
|
---|
798 | uint32_t u32HndBkpt;
|
---|
799 | /** Blows up the request to the required size. */
|
---|
800 | uint8_t abPad[36];
|
---|
801 | } KDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
802 | AssertCompileSize(KDPACKETMANIPULATE_RESTOREBKPT64, 40);
|
---|
803 | /** Pointer to a 64bit restore breakpoint manipulate payload. */
|
---|
804 | typedef KDPACKETMANIPULATE_RESTOREBKPT64 *PKDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
805 | /** Pointer to a const 64bit restore breakpoint manipulate payload. */
|
---|
806 | typedef const KDPACKETMANIPULATE_RESTOREBKPT64 *PCKDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
807 |
|
---|
808 |
|
---|
809 | /**
|
---|
810 | * 64bit write breakpoint manipulate payload.
|
---|
811 | */
|
---|
812 | typedef struct KDPACKETMANIPULATE_WRITEBKPT64
|
---|
813 | {
|
---|
814 | /** Where to write the breakpoint. */
|
---|
815 | uint64_t u64PtrBkpt;
|
---|
816 | /** The breakpoint handle returned in the response. */
|
---|
817 | uint32_t u32HndBkpt;
|
---|
818 | /** Blows up the request to the required size. */
|
---|
819 | uint8_t abPad[28];
|
---|
820 | } KDPACKETMANIPULATE_WRITEBKPT64;
|
---|
821 | AssertCompileSize(KDPACKETMANIPULATE_WRITEBKPT64, 40);
|
---|
822 | /** Pointer to a 64bit write breakpoint manipulate payload. */
|
---|
823 | typedef KDPACKETMANIPULATE_WRITEBKPT64 *PKDPACKETMANIPULATE_WRITEBKPT64;
|
---|
824 | /** Pointer to a const 64bit write breakpoint manipulate payload. */
|
---|
825 | typedef const KDPACKETMANIPULATE_WRITEBKPT64 *PCKDPACKETMANIPULATE_WRITEBKPT64;
|
---|
826 |
|
---|
827 |
|
---|
828 | /**
|
---|
829 | * Context extended manipulate payload.
|
---|
830 | */
|
---|
831 | typedef struct KDPACKETMANIPULATE_CONTEXTEX
|
---|
832 | {
|
---|
833 | /** Where to start copying the context. */
|
---|
834 | uint32_t offStart;
|
---|
835 | /** Number of bytes to transfer. */
|
---|
836 | uint32_t cbXfer;
|
---|
837 | /** Number of bytes actually transfered. */
|
---|
838 | uint32_t cbXfered;
|
---|
839 | /** Blows up the request to the required size. */
|
---|
840 | uint8_t abPad[28];
|
---|
841 | } KDPACKETMANIPULATE_CONTEXTEX;
|
---|
842 | AssertCompileSize(KDPACKETMANIPULATE_CONTEXTEX, 40);
|
---|
843 | /** Pointer to a context extended manipulate payload. */
|
---|
844 | typedef KDPACKETMANIPULATE_CONTEXTEX *PKDPACKETMANIPULATE_CONTEXTEX;
|
---|
845 | /** Pointer to a const context extended manipulate payload. */
|
---|
846 | typedef const KDPACKETMANIPULATE_CONTEXTEX *PCKDPACKETMANIPULATE_CONTEXTEX;
|
---|
847 |
|
---|
848 |
|
---|
849 | /**
|
---|
850 | * Continue manipulate payload.
|
---|
851 | */
|
---|
852 | typedef struct KDPACKETMANIPULATE_CONTINUE
|
---|
853 | {
|
---|
854 | /** Continue (status?). */
|
---|
855 | uint32_t u32NtContSts;
|
---|
856 | /** Blows up the request to the required size. */
|
---|
857 | uint8_t abPad[36];
|
---|
858 | } KDPACKETMANIPULATE_CONTINUE;
|
---|
859 | AssertCompileSize(KDPACKETMANIPULATE_CONTINUE, 40);
|
---|
860 | /** Pointer to a continue manipulate payload. */
|
---|
861 | typedef KDPACKETMANIPULATE_CONTINUE *PKDPACKETMANIPULATE_CONTINUE;
|
---|
862 | /** Pointer to a const continue manipulate payload. */
|
---|
863 | typedef const KDPACKETMANIPULATE_CONTINUE *PCKDPACKETMANIPULATE_CONTINUE;
|
---|
864 |
|
---|
865 |
|
---|
866 | /**
|
---|
867 | * Continue 2 manipulate payload.
|
---|
868 | */
|
---|
869 | typedef struct KDPACKETMANIPULATE_CONTINUE2
|
---|
870 | {
|
---|
871 | /** Continue (status?). */
|
---|
872 | uint32_t u32NtContSts;
|
---|
873 | /** Trace flag. */
|
---|
874 | uint32_t fTrace;
|
---|
875 | /** Bitsize dependent data. */
|
---|
876 | union
|
---|
877 | {
|
---|
878 | /** 32bit. */
|
---|
879 | struct
|
---|
880 | {
|
---|
881 | /** DR7 value to continue with. */
|
---|
882 | uint32_t u32RegDr7;
|
---|
883 | /** @todo (?) */
|
---|
884 | uint32_t u32SymCurStart;
|
---|
885 | uint32_t u32SymCurEnd;
|
---|
886 | } x86;
|
---|
887 | /** 64bit. */
|
---|
888 | struct
|
---|
889 | {
|
---|
890 | /** DR7 value to continue with. */
|
---|
891 | uint64_t u64RegDr7;
|
---|
892 | /** @todo (?) */
|
---|
893 | uint64_t u64SymCurStart;
|
---|
894 | uint64_t u64SymCurEnd;
|
---|
895 | } amd64;
|
---|
896 | } u;
|
---|
897 | /** Blows up the request to the required size. */
|
---|
898 | uint8_t abPad[8];
|
---|
899 | } KDPACKETMANIPULATE_CONTINUE2;
|
---|
900 | AssertCompileSize(KDPACKETMANIPULATE_CONTINUE2, 40);
|
---|
901 | /** Pointer to a continue 2 manipulate payload. */
|
---|
902 | typedef KDPACKETMANIPULATE_CONTINUE2 *PKDPACKETMANIPULATE_CONTINUE2;
|
---|
903 | /** Pointer to a const continue 2 manipulate payload. */
|
---|
904 | typedef const KDPACKETMANIPULATE_CONTINUE2 *PCKDPACKETMANIPULATE_CONTINUE2;
|
---|
905 |
|
---|
906 |
|
---|
907 | /**
|
---|
908 | * Set context manipulate payload.
|
---|
909 | */
|
---|
910 | typedef struct KDPACKETMANIPULATE_SETCONTEXT
|
---|
911 | {
|
---|
912 | /** Continue (status?). */
|
---|
913 | uint32_t u32CtxFlags;
|
---|
914 | /** Blows up the request to the required size. */
|
---|
915 | uint8_t abPad[36];
|
---|
916 | } KDPACKETMANIPULATE_SETCONTEXT;
|
---|
917 | AssertCompileSize(KDPACKETMANIPULATE_SETCONTEXT, 40);
|
---|
918 | /** Pointer to a set context manipulate payload. */
|
---|
919 | typedef KDPACKETMANIPULATE_SETCONTEXT *PKDPACKETMANIPULATE_SETCONTEXT;
|
---|
920 | /** Pointer to a const set context manipulate payload. */
|
---|
921 | typedef const KDPACKETMANIPULATE_SETCONTEXT *PCKDPACKETMANIPULATE_SETCONTEXT;
|
---|
922 |
|
---|
923 |
|
---|
924 | /**
|
---|
925 | * Query memory properties payload.
|
---|
926 | */
|
---|
927 | typedef struct KDPACKETMANIPULATE_QUERYMEMORY
|
---|
928 | {
|
---|
929 | /** The address to query the properties for. */
|
---|
930 | uint64_t u64GCPtr;
|
---|
931 | /** Reserved. */
|
---|
932 | uint64_t u64Rsvd;
|
---|
933 | /** Address space type on return. */
|
---|
934 | uint32_t u32AddrSpace;
|
---|
935 | /** Protection flags. */
|
---|
936 | uint32_t u32Flags;
|
---|
937 | /** Blows up the request to the required size. */
|
---|
938 | uint8_t abPad[16];
|
---|
939 | } KDPACKETMANIPULATE_QUERYMEMORY;
|
---|
940 | AssertCompileSize(KDPACKETMANIPULATE_QUERYMEMORY, 40);
|
---|
941 | /** Pointer to a query memory properties payload. */
|
---|
942 | typedef KDPACKETMANIPULATE_QUERYMEMORY *PKDPACKETMANIPULATE_QUERYMEMORY;
|
---|
943 | /** Pointer to a const query memory properties payload. */
|
---|
944 | typedef const KDPACKETMANIPULATE_QUERYMEMORY *PCKDPACKETMANIPULATE_QUERYMEMORY;
|
---|
945 |
|
---|
946 |
|
---|
947 | /** @name Query memory address space identifiers.
|
---|
948 | * @{ */
|
---|
949 | /** Process memory space. */
|
---|
950 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_PROCESS UINT32_C(0)
|
---|
951 | /** Session memory space. */
|
---|
952 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_SESSION UINT32_C(1)
|
---|
953 | /** Kernel memory space. */
|
---|
954 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL UINT32_C(2)
|
---|
955 | /** @} */
|
---|
956 |
|
---|
957 |
|
---|
958 | /** @name Query memory address protection flags.
|
---|
959 | * @{ */
|
---|
960 | /** Readable. */
|
---|
961 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ RT_BIT_32(0)
|
---|
962 | /** Writable. */
|
---|
963 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE RT_BIT_32(1)
|
---|
964 | /** Executable. */
|
---|
965 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC RT_BIT_32(2)
|
---|
966 | /** Fixed address. */
|
---|
967 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_FIXED RT_BIT_32(3)
|
---|
968 | /** @} */
|
---|
969 |
|
---|
970 |
|
---|
971 | /**
|
---|
972 | * Manipulate request packet header (Same for 32bit and 64bit).
|
---|
973 | */
|
---|
974 | typedef struct KDPACKETMANIPULATEHDR
|
---|
975 | {
|
---|
976 | /** The request to execute. */
|
---|
977 | uint32_t idReq;
|
---|
978 | /** The processor level to execute the request on. */
|
---|
979 | uint16_t u16CpuLvl;
|
---|
980 | /** The processor ID to execute the request on. */
|
---|
981 | uint16_t idCpu;
|
---|
982 | /** Return status code. */
|
---|
983 | uint32_t u32NtStatus;
|
---|
984 | /** Alignment. */
|
---|
985 | uint32_t u32Alignment;
|
---|
986 | } KDPACKETMANIPULATEHDR;
|
---|
987 | AssertCompileSize(KDPACKETMANIPULATEHDR, 3 * 4 + 2 * 2);
|
---|
988 | /** Pointer to a manipulate request packet header. */
|
---|
989 | typedef KDPACKETMANIPULATEHDR *PKDPACKETMANIPULATEHDR;
|
---|
990 | /** Pointer to a const manipulate request packet header. */
|
---|
991 | typedef const KDPACKETMANIPULATEHDR *PCPKDPACKETMANIPULATEHDR;
|
---|
992 |
|
---|
993 |
|
---|
994 | /**
|
---|
995 | * 64bit manipulate state request packet.
|
---|
996 | */
|
---|
997 | typedef struct KDPACKETMANIPULATE64
|
---|
998 | {
|
---|
999 | /** Header. */
|
---|
1000 | KDPACKETMANIPULATEHDR Hdr;
|
---|
1001 | /** Request payloads. */
|
---|
1002 | union
|
---|
1003 | {
|
---|
1004 | /** Get Version. */
|
---|
1005 | KDPACKETMANIPULATE_GETVERSION64 GetVersion;
|
---|
1006 | /** Read/Write memory. */
|
---|
1007 | KDPACKETMANIPULATE_XFERMEM64 XferMem;
|
---|
1008 | /** Continue. */
|
---|
1009 | KDPACKETMANIPULATE_CONTINUE Continue;
|
---|
1010 | /** Continue2. */
|
---|
1011 | KDPACKETMANIPULATE_CONTINUE2 Continue2;
|
---|
1012 | /** Set context. */
|
---|
1013 | KDPACKETMANIPULATE_SETCONTEXT SetContext;
|
---|
1014 | /** Read/Write control space. */
|
---|
1015 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace;
|
---|
1016 | /** Restore breakpoint. */
|
---|
1017 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt;
|
---|
1018 | /** Write breakpoint. */
|
---|
1019 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt;
|
---|
1020 | /** Context extended. */
|
---|
1021 | KDPACKETMANIPULATE_CONTEXTEX ContextEx;
|
---|
1022 | /** Query memory. */
|
---|
1023 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
1024 | } u;
|
---|
1025 | } KDPACKETMANIPULATE64;
|
---|
1026 | AssertCompileSize(KDPACKETMANIPULATE64, 16 + 40);
|
---|
1027 | /** Pointer to a 64bit manipulate state request packet. */
|
---|
1028 | typedef KDPACKETMANIPULATE64 *PKDPACKETMANIPULATE64;
|
---|
1029 | /** Pointer to a const 64bit manipulate state request packet. */
|
---|
1030 | typedef const KDPACKETMANIPULATE64 *PCKDPACKETMANIPULATE64;
|
---|
1031 |
|
---|
1032 | /** @name Manipulate requests.
|
---|
1033 | * @{ */
|
---|
1034 | /** Minimum available request. */
|
---|
1035 | #define KD_PACKET_MANIPULATE_REQ_MIN UINT32_C(0x00003130)
|
---|
1036 | /** Read virtual memory request. */
|
---|
1037 | #define KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM KD_PACKET_MANIPULATE_REQ_MIN
|
---|
1038 | /** Write virtual memory request. */
|
---|
1039 | #define KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM UINT32_C(0x00003131)
|
---|
1040 | /** Get context request. */
|
---|
1041 | #define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT UINT32_C(0x00003132)
|
---|
1042 | /** Set context request. */
|
---|
1043 | #define KD_PACKET_MANIPULATE_REQ_SET_CONTEXT UINT32_C(0x00003133)
|
---|
1044 | /** Write breakpoint request. */
|
---|
1045 | #define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT UINT32_C(0x00003134)
|
---|
1046 | /** Restore breakpoint request. */
|
---|
1047 | #define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT UINT32_C(0x00003135)
|
---|
1048 | /** Continue request. */
|
---|
1049 | #define KD_PACKET_MANIPULATE_REQ_CONTINUE UINT32_C(0x00003136)
|
---|
1050 | /** Read control space request. */
|
---|
1051 | #define KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE UINT32_C(0x00003137)
|
---|
1052 | /** Write control space request. */
|
---|
1053 | #define KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE UINT32_C(0x00003138)
|
---|
1054 | /** Read I/O space request. */
|
---|
1055 | #define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE UINT32_C(0x00003139)
|
---|
1056 | /** Write I/O space request. */
|
---|
1057 | #define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE UINT32_C(0x0000313a)
|
---|
1058 | /** Reboot request. */
|
---|
1059 | #define KD_PACKET_MANIPULATE_REQ_REBOOT UINT32_C(0x0000313b)
|
---|
1060 | /** continue 2nd version request. */
|
---|
1061 | #define KD_PACKET_MANIPULATE_REQ_CONTINUE2 UINT32_C(0x0000313c)
|
---|
1062 | /** Read physical memory request. */
|
---|
1063 | #define KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM UINT32_C(0x0000313d)
|
---|
1064 | /** Write physical memory request. */
|
---|
1065 | #define KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM UINT32_C(0x0000313e)
|
---|
1066 | /** Query special calls request. */
|
---|
1067 | #define KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS UINT32_C(0x0000313f)
|
---|
1068 | /** Set special calls request. */
|
---|
1069 | #define KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS UINT32_C(0x00003140)
|
---|
1070 | /** Clear special calls request. */
|
---|
1071 | #define KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS UINT32_C(0x00003141)
|
---|
1072 | /** Set internal breakpoint request. */
|
---|
1073 | #define KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT UINT32_C(0x00003142)
|
---|
1074 | /** Get internal breakpoint request. */
|
---|
1075 | #define KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT UINT32_C(0x00003143)
|
---|
1076 | /** Read I/O space extended request. */
|
---|
1077 | #define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX UINT32_C(0x00003144)
|
---|
1078 | /** Write I/O space extended request. */
|
---|
1079 | #define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX UINT32_C(0x00003145)
|
---|
1080 | /** Get version request. */
|
---|
1081 | #define KD_PACKET_MANIPULATE_REQ_GET_VERSION UINT32_C(0x00003146)
|
---|
1082 | /** Write breakpoint extended request. */
|
---|
1083 | #define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT_EX UINT32_C(0x00003147)
|
---|
1084 | /** Restore breakpoint extended request. */
|
---|
1085 | #define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT_EX UINT32_C(0x00003148)
|
---|
1086 | /** Cause a bugcheck request. */
|
---|
1087 | #define KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK UINT32_C(0x00003149)
|
---|
1088 | /** @todo */
|
---|
1089 | /** Clear all internal breakpoints request. */
|
---|
1090 | #define KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT UINT32_C(0x0000315a)
|
---|
1091 | /** Fill memory. */
|
---|
1092 | #define KD_PACKET_MANIPULATE_REQ_FILL_MEMORY UINT32_C(0x0000315b)
|
---|
1093 | /** Query memory properties. */
|
---|
1094 | #define KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY UINT32_C(0x0000315c)
|
---|
1095 | /** @todo */
|
---|
1096 | /** Get context extended request. */
|
---|
1097 | #define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX UINT32_C(0x0000315f)
|
---|
1098 | /** @todo */
|
---|
1099 | /** Maximum available request (exclusive). */
|
---|
1100 | #define KD_PACKET_MANIPULATE_REQ_MAX UINT32_C(0x00003161)
|
---|
1101 | /** @} */
|
---|
1102 |
|
---|
1103 | /**
|
---|
1104 | * KD stub receive state.
|
---|
1105 | */
|
---|
1106 | typedef enum KDRECVSTATE
|
---|
1107 | {
|
---|
1108 | /** Invalid state. */
|
---|
1109 | KDRECVSTATE_INVALID = 0,
|
---|
1110 | /** Receiving the first byte of the packet header. */
|
---|
1111 | KDRECVSTATE_PACKET_HDR_FIRST_BYTE,
|
---|
1112 | /** Receiving the second byte of the packet header. */
|
---|
1113 | KDRECVSTATE_PACKET_HDR_SECOND_BYTE,
|
---|
1114 | /** Receiving the header. */
|
---|
1115 | KDRECVSTATE_PACKET_HDR,
|
---|
1116 | /** Receiving the packet body. */
|
---|
1117 | KDRECVSTATE_PACKET_BODY,
|
---|
1118 | /** Receiving the trailing byte. */
|
---|
1119 | KDRECVSTATE_PACKET_TRAILER,
|
---|
1120 | /** Blow up the enum to 32bits for easier alignment of members in structs. */
|
---|
1121 | KDRECVSTATE_32BIT_HACK = 0x7fffffff
|
---|
1122 | } KDRECVSTATE;
|
---|
1123 |
|
---|
1124 |
|
---|
1125 | /**
|
---|
1126 | * KD emulated hardware breakpoint.
|
---|
1127 | */
|
---|
1128 | typedef struct KDCTXHWBP
|
---|
1129 | {
|
---|
1130 | /** The DBGF breakpoint handle if active, UINT32_MAX if not active. */
|
---|
1131 | uint32_t iDbgfBp;
|
---|
1132 | /** The linear address of the breakpoint if active. */
|
---|
1133 | RTGCPTR GCPtrBp;
|
---|
1134 | /** Access type of the breakpoint, see X86_DR7_RW_*. */
|
---|
1135 | uint8_t fAcc;
|
---|
1136 | /** Length flags of the breakpoint. */
|
---|
1137 | uint8_t fLen;
|
---|
1138 | /** Flag whether it is a local breakpoint. */
|
---|
1139 | bool fLocal;
|
---|
1140 | /** Flag whether it is a global breakpoint. */
|
---|
1141 | bool fGlobal;
|
---|
1142 | /** Flag whether the breakpoint has triggered since the last time of the reset. */
|
---|
1143 | bool fTriggered;
|
---|
1144 | } KDCTXHWBP;
|
---|
1145 | /** Pointer to an emulated hardware breakpoint. */
|
---|
1146 | typedef KDCTXHWBP *PKDCTXHWBP;
|
---|
1147 | /** Pointer to a const emulated hardware breakpoint. */
|
---|
1148 | typedef const KDCTXHWBP *PCKDCTXHWBP;
|
---|
1149 |
|
---|
1150 |
|
---|
1151 | /**
|
---|
1152 | * KD context data.
|
---|
1153 | */
|
---|
1154 | typedef struct KDCTX
|
---|
1155 | {
|
---|
1156 | /** Internal debugger console data. */
|
---|
1157 | DBGC Dbgc;
|
---|
1158 | /** Number of bytes received left for the current state. */
|
---|
1159 | size_t cbRecvLeft;
|
---|
1160 | /** Pointer where to write the next received data. */
|
---|
1161 | uint8_t *pbRecv;
|
---|
1162 | /** The current state when receiving a new packet. */
|
---|
1163 | KDRECVSTATE enmState;
|
---|
1164 | /** The timeout waiting for new data. */
|
---|
1165 | RTMSINTERVAL msRecvTimeout;
|
---|
1166 | /** Timestamp when we last received data from the remote end. */
|
---|
1167 | uint64_t tsRecvLast;
|
---|
1168 | /** Packet header being received. */
|
---|
1169 | union
|
---|
1170 | {
|
---|
1171 | KDPACKETHDR Fields;
|
---|
1172 | uint8_t ab[16];
|
---|
1173 | } PktHdr;
|
---|
1174 | /** The next packet ID to send. */
|
---|
1175 | uint32_t idPktNext;
|
---|
1176 | /** Offset into the body receive buffer. */
|
---|
1177 | size_t offBodyRecv;
|
---|
1178 | /** Body data. */
|
---|
1179 | uint8_t abBody[_4K];
|
---|
1180 | /** The trailer byte storage. */
|
---|
1181 | uint8_t bTrailer;
|
---|
1182 | /** Flag whether a breakin packet was received since the last time it was reset. */
|
---|
1183 | bool fBreakinRecv;
|
---|
1184 | /** Flag whether we entered the native VBox hypervisor through a bugcheck request. */
|
---|
1185 | bool fInVBoxDbg;
|
---|
1186 |
|
---|
1187 | /** Emulated hardware breakpoint handling. */
|
---|
1188 | KDCTXHWBP aHwBp[4];
|
---|
1189 | /** Flag whether a single step completed since last time this was cleared. */
|
---|
1190 | bool fSingleStepped;
|
---|
1191 |
|
---|
1192 | /** Pointer to the OS digger WinNt interface if a matching guest was detected. */
|
---|
1193 | PDBGFOSIWINNT pIfWinNt;
|
---|
1194 | /** Flag whether the detected guest is 32bit (false if 64bit). */
|
---|
1195 | bool f32Bit;
|
---|
1196 | } KDCTX;
|
---|
1197 | /** Pointer to the KD context data. */
|
---|
1198 | typedef KDCTX *PKDCTX;
|
---|
1199 | /** Pointer to const KD context data. */
|
---|
1200 | typedef const KDCTX *PCKDCTX;
|
---|
1201 | /** Pointer to a KD context data pointer. */
|
---|
1202 | typedef PKDCTX *PPKDCTX;
|
---|
1203 |
|
---|
1204 |
|
---|
1205 | /** Creates a possibly sign extended guest context pointer which is required for 32bit targets. */
|
---|
1206 | #define KD_PTR_CREATE(a_pThis, a_GCPtr) ((a_pThis)->f32Bit && ((a_GCPtr) & RT_BIT_32(31)) ? (a_GCPtr) | UINT64_C(0xffffffff00000000) : (a_GCPtr))
|
---|
1207 | /** Returns the value of a possibly sign extended guest context pointer received for 32bit targets. */
|
---|
1208 | #define KD_PTR_GET(a_pThis, a_GCPtr) ((a_pThis)->f32Bit ? (a_GCPtr) & ~UINT64_C(0xffffffff00000000) : (a_GCPtr))
|
---|
1209 |
|
---|
1210 |
|
---|
1211 | /*********************************************************************************************************************************
|
---|
1212 | * Internal Functions *
|
---|
1213 | *********************************************************************************************************************************/
|
---|
1214 |
|
---|
1215 | static void dbgcKdCtxMsgSend(PKDCTX pThis, bool fWarning, const char *pszMsg);
|
---|
1216 |
|
---|
1217 |
|
---|
1218 | #ifdef LOG_ENABLED
|
---|
1219 | /**
|
---|
1220 | * Returns a human readable string of the given packet sub type.
|
---|
1221 | *
|
---|
1222 | * @returns Pointer to sub type string.
|
---|
1223 | * @param u16SubType The sub type to convert to a string.
|
---|
1224 | */
|
---|
1225 | static const char *dbgcKdPktDumpSubTypeToStr(uint16_t u16SubType)
|
---|
1226 | {
|
---|
1227 | switch (u16SubType)
|
---|
1228 | {
|
---|
1229 | case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32: return "StateChange32";
|
---|
1230 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE: return "Manipulate";
|
---|
1231 | case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO: return "DebugIo";
|
---|
1232 | case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE: return "Ack";
|
---|
1233 | case KD_PACKET_HDR_SUB_TYPE_RESEND: return "Resend";
|
---|
1234 | case KD_PACKET_HDR_SUB_TYPE_RESET: return "Reset";
|
---|
1235 | case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64: return "StateChange64";
|
---|
1236 | case KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN: return "PollBreakin";
|
---|
1237 | case KD_PACKET_HDR_SUB_TYPE_TRACE_IO: return "TraceIo";
|
---|
1238 | case KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST: return "ControlRequest";
|
---|
1239 | case KD_PACKET_HDR_SUB_TYPE_FILE_IO: return "FileIo";
|
---|
1240 | default: break;
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 | return "<UNKNOWN>";
|
---|
1244 | }
|
---|
1245 |
|
---|
1246 |
|
---|
1247 | /**
|
---|
1248 | * Returns a human readable string of the given manipulate request ID.
|
---|
1249 | *
|
---|
1250 | * @returns nothing.
|
---|
1251 | * @param idReq Request ID (API number in KD speak).
|
---|
1252 | */
|
---|
1253 | static const char *dbgcKdPktDumpManipulateReqToStr(uint32_t idReq)
|
---|
1254 | {
|
---|
1255 | switch (idReq)
|
---|
1256 | {
|
---|
1257 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM: return "ReadVirtMem";
|
---|
1258 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM: return "WriteVirtMem";
|
---|
1259 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT: return "GetContext";
|
---|
1260 | case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT: return "SetContext";
|
---|
1261 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT: return "WriteBkpt";
|
---|
1262 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT: return "RestoreBkpt";
|
---|
1263 | case KD_PACKET_MANIPULATE_REQ_CONTINUE: return "Continue";
|
---|
1264 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE: return "ReadCtrlSpace";
|
---|
1265 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE: return "WriteCtrlSpace";
|
---|
1266 | case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE: return "ReadIoSpace";
|
---|
1267 | case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE: return "WriteIoSpace";
|
---|
1268 | case KD_PACKET_MANIPULATE_REQ_REBOOT: return "Reboot";
|
---|
1269 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2: return "Continue2";
|
---|
1270 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM: return "ReadPhysMem";
|
---|
1271 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM: return "WritePhysMem";
|
---|
1272 | case KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS: return "QuerySpecCalls";
|
---|
1273 | case KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS: return "SetSpecCalls";
|
---|
1274 | case KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS: return "ClrSpecCalls";
|
---|
1275 | case KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT: return "SetIntBkpt";
|
---|
1276 | case KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT: return "GetIntBkpt";
|
---|
1277 | case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX: return "ReadIoSpaceEx";
|
---|
1278 | case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX: return "WriteIoSpaceEx";
|
---|
1279 | case KD_PACKET_MANIPULATE_REQ_GET_VERSION: return "GetVersion";
|
---|
1280 | case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT: return "ClrAllIntBkpt";
|
---|
1281 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX: return "GetContextEx";
|
---|
1282 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY: return "QueryMemory";
|
---|
1283 | case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK: return "CauseBugCheck";
|
---|
1284 | default: break;
|
---|
1285 | }
|
---|
1286 |
|
---|
1287 | return "<UNKNOWN>";
|
---|
1288 | }
|
---|
1289 |
|
---|
1290 |
|
---|
1291 | /**
|
---|
1292 | * Dumps the content of a manipulate packet.
|
---|
1293 | *
|
---|
1294 | * @returns nothing.
|
---|
1295 | * @param pSgBuf S/G buffer containing the manipulate packet payload.
|
---|
1296 | */
|
---|
1297 | static void dbgcKdPktDumpManipulate(PRTSGBUF pSgBuf)
|
---|
1298 | {
|
---|
1299 | KDPACKETMANIPULATEHDR Hdr;
|
---|
1300 | size_t cbCopied = RTSgBufCopyToBuf(pSgBuf, &Hdr, sizeof(Hdr));
|
---|
1301 |
|
---|
1302 | if (cbCopied == sizeof(Hdr))
|
---|
1303 | {
|
---|
1304 | const char *pszReq = dbgcKdPktDumpManipulateReqToStr(Hdr.idReq);
|
---|
1305 |
|
---|
1306 | Log3((" MANIPULATE(%#x (%s), %#x, %u, %#x)\n",
|
---|
1307 | Hdr.idReq, pszReq, Hdr.u16CpuLvl, Hdr.idCpu, Hdr.u32NtStatus));
|
---|
1308 |
|
---|
1309 | switch (Hdr.idReq)
|
---|
1310 | {
|
---|
1311 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
|
---|
1312 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
|
---|
1313 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
|
---|
1314 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
|
---|
1315 | {
|
---|
1316 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
1317 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferMem64, sizeof(XferMem64));
|
---|
1318 | if (cbCopied == sizeof(XferMem64))
|
---|
1319 | {
|
---|
1320 | Log3((" u64PtrTarget: %RX64\n"
|
---|
1321 | " cbXferReq: %RX32\n"
|
---|
1322 | " cbXfered: %RX32\n",
|
---|
1323 | XferMem64.u64PtrTarget, XferMem64.cbXferReq, XferMem64.cbXfered));
|
---|
1324 | }
|
---|
1325 | else
|
---|
1326 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferMem64), cbCopied));
|
---|
1327 | break;
|
---|
1328 | }
|
---|
1329 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
|
---|
1330 | {
|
---|
1331 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
|
---|
1332 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &RestoreBkpt64, sizeof(RestoreBkpt64));
|
---|
1333 | if (cbCopied == sizeof(RestoreBkpt64))
|
---|
1334 | Log3((" u32HndBkpt: %RX32\n", RestoreBkpt64.u32HndBkpt));
|
---|
1335 | else
|
---|
1336 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(RestoreBkpt64), cbCopied));
|
---|
1337 | break;
|
---|
1338 | }
|
---|
1339 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
|
---|
1340 | {
|
---|
1341 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
|
---|
1342 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &WriteBkpt64, sizeof(WriteBkpt64));
|
---|
1343 | if (cbCopied == sizeof(WriteBkpt64))
|
---|
1344 | Log3((" u64PtrBkpt: %RX64\n"
|
---|
1345 | " u32HndBkpt: %RX32\n",
|
---|
1346 | WriteBkpt64.u64PtrBkpt, WriteBkpt64.u32HndBkpt));
|
---|
1347 | else
|
---|
1348 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(WriteBkpt64), cbCopied));
|
---|
1349 | break;
|
---|
1350 | }
|
---|
1351 | case KD_PACKET_MANIPULATE_REQ_CONTINUE:
|
---|
1352 | {
|
---|
1353 | KDPACKETMANIPULATE_CONTINUE Continue;
|
---|
1354 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
|
---|
1355 | if (cbCopied == sizeof(Continue))
|
---|
1356 | Log3((" u32NtContSts: %RX32\n", Continue.u32NtContSts));
|
---|
1357 | else
|
---|
1358 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
|
---|
1359 | break;
|
---|
1360 | }
|
---|
1361 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
|
---|
1362 | {
|
---|
1363 | KDPACKETMANIPULATE_CONTINUE2 Continue;
|
---|
1364 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
|
---|
1365 | if (cbCopied == sizeof(Continue))
|
---|
1366 | Log3((" u32NtContSts: %RX32\n"
|
---|
1367 | " fTrace: %RX32\n",
|
---|
1368 | Continue.u32NtContSts, Continue.fTrace));
|
---|
1369 | else
|
---|
1370 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
|
---|
1371 | break;
|
---|
1372 | }
|
---|
1373 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
|
---|
1374 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
|
---|
1375 | {
|
---|
1376 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
1377 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferCtrlSpace64, sizeof(XferCtrlSpace64));
|
---|
1378 | if (cbCopied == sizeof(XferCtrlSpace64))
|
---|
1379 | {
|
---|
1380 | Log3((" u64IdXfer: %RX64\n"
|
---|
1381 | " cbXferReq: %RX32\n"
|
---|
1382 | " cbXfered: %RX32\n",
|
---|
1383 | XferCtrlSpace64.u64IdXfer, XferCtrlSpace64.cbXferReq, XferCtrlSpace64.cbXfered));
|
---|
1384 | }
|
---|
1385 | else
|
---|
1386 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferCtrlSpace64), cbCopied));
|
---|
1387 | break;
|
---|
1388 | }
|
---|
1389 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
|
---|
1390 | {
|
---|
1391 | KDPACKETMANIPULATE_CONTEXTEX GetContextEx;
|
---|
1392 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &GetContextEx, sizeof(GetContextEx));
|
---|
1393 | if (cbCopied == sizeof(GetContextEx))
|
---|
1394 | {
|
---|
1395 | Log3((" offStart: %RX32\n"
|
---|
1396 | " cbXferReq: %RX32\n"
|
---|
1397 | " cbXfered: %RX32\n",
|
---|
1398 | GetContextEx.offStart, GetContextEx.cbXfer, GetContextEx.cbXfered));
|
---|
1399 | }
|
---|
1400 | else
|
---|
1401 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(GetContextEx), cbCopied));
|
---|
1402 | break;
|
---|
1403 | }
|
---|
1404 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
|
---|
1405 | {
|
---|
1406 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
1407 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &QueryMemory, sizeof(QueryMemory));
|
---|
1408 | if (cbCopied == sizeof(QueryMemory))
|
---|
1409 | {
|
---|
1410 | Log3((" u64GCPtr: %RX64\n"
|
---|
1411 | " u32AddrSpace: %RX32\n"
|
---|
1412 | " u32Flags: %RX32\n",
|
---|
1413 | QueryMemory.u64GCPtr, QueryMemory.u32AddrSpace, QueryMemory.u32Flags));
|
---|
1414 | }
|
---|
1415 | else
|
---|
1416 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(QueryMemory), cbCopied));
|
---|
1417 | break;
|
---|
1418 | }
|
---|
1419 | default:
|
---|
1420 | break;
|
---|
1421 | }
|
---|
1422 | }
|
---|
1423 | else
|
---|
1424 | Log3((" MANIPULATE(Header too small, expected %u, got %zu)\n", sizeof(Hdr), cbCopied));
|
---|
1425 | }
|
---|
1426 |
|
---|
1427 |
|
---|
1428 | /**
|
---|
1429 | * Dumps the received packet to the debug log.
|
---|
1430 | *
|
---|
1431 | * @returns VBox status code.
|
---|
1432 | * @param pPktHdr The packet header to dump.
|
---|
1433 | * @param fRx Flag whether the packet was received (false indicates an outgoing packet).
|
---|
1434 | */
|
---|
1435 | static void dbgcKdPktDump(PCKDPACKETHDR pPktHdr, PCRTSGSEG paSegs, uint32_t cSegs, bool fRx)
|
---|
1436 | {
|
---|
1437 | RTSGBUF SgBuf;
|
---|
1438 |
|
---|
1439 | RTSgBufInit(&SgBuf, paSegs, cSegs);
|
---|
1440 |
|
---|
1441 | Log3(("%s KDPKTHDR(%#x, %#x (%s), %u, %#x, %#x)\n",
|
---|
1442 | fRx ? "=>" : "<=",
|
---|
1443 | pPktHdr->u32Signature, pPktHdr->u16SubType, dbgcKdPktDumpSubTypeToStr(pPktHdr->u16SubType),
|
---|
1444 | pPktHdr->cbBody, pPktHdr->idPacket, pPktHdr->u32ChkSum));
|
---|
1445 | switch (pPktHdr->u16SubType)
|
---|
1446 | {
|
---|
1447 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
|
---|
1448 | dbgcKdPktDumpManipulate(&SgBuf);
|
---|
1449 | break;
|
---|
1450 | default:
|
---|
1451 | break;
|
---|
1452 | }
|
---|
1453 | }
|
---|
1454 | #endif
|
---|
1455 |
|
---|
1456 |
|
---|
1457 | /**
|
---|
1458 | * Resets the emulated hardware breakpoint state to a state similar after a reboot.
|
---|
1459 | *
|
---|
1460 | * @returns nothing.
|
---|
1461 | * @param pThis The KD context.
|
---|
1462 | */
|
---|
1463 | static void dbgcKdCtxHwBpReset(PKDCTX pThis)
|
---|
1464 | {
|
---|
1465 | pThis->fSingleStepped = false;
|
---|
1466 |
|
---|
1467 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
1468 | {
|
---|
1469 | PKDCTXHWBP pBp = &pThis->aHwBp[i];
|
---|
1470 |
|
---|
1471 | if (pBp->iDbgfBp != UINT32_MAX)
|
---|
1472 | {
|
---|
1473 | int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pBp->iDbgfBp);
|
---|
1474 | AssertRC(rc);
|
---|
1475 | }
|
---|
1476 |
|
---|
1477 | pBp->iDbgfBp = UINT32_MAX;
|
---|
1478 | pBp->GCPtrBp = 0;
|
---|
1479 | pBp->fAcc = 0;
|
---|
1480 | pBp->fLen = 0;
|
---|
1481 | pBp->fLocal = false;
|
---|
1482 | pBp->fGlobal = false;
|
---|
1483 | pBp->fTriggered = false;
|
---|
1484 | }
|
---|
1485 | }
|
---|
1486 |
|
---|
1487 |
|
---|
1488 | /**
|
---|
1489 | * Updates the given breakpoint with the given properties.
|
---|
1490 | *
|
---|
1491 | * @returns VBox status code.
|
---|
1492 | * @param pThis The KD context.
|
---|
1493 | * @param pBp The breakpoint to update.
|
---|
1494 | * @param fAcc Access mode.
|
---|
1495 | * @param fLen Access length.
|
---|
1496 | * @param fGlobal Global breakpoint.
|
---|
1497 | * @param fLocal Local breakpoint.
|
---|
1498 | * @param GCPtrBp Linear address of the breakpoint.
|
---|
1499 | */
|
---|
1500 | static int dbgcKdCtxHwBpUpdate(PKDCTX pThis, PKDCTXHWBP pBp, uint8_t fAcc, uint8_t fLen,
|
---|
1501 | bool fGlobal, bool fLocal, RTGCPTR GCPtrBp)
|
---|
1502 | {
|
---|
1503 | int rc = VINF_SUCCESS;
|
---|
1504 |
|
---|
1505 | /* Did anything actually change?. */
|
---|
1506 | if ( pBp->fAcc != fAcc
|
---|
1507 | || pBp->fLen != fLen
|
---|
1508 | || pBp->fGlobal != fGlobal
|
---|
1509 | || pBp->fLocal != fLocal
|
---|
1510 | || pBp->GCPtrBp != GCPtrBp)
|
---|
1511 | {
|
---|
1512 | /* Clear the old breakpoint. */
|
---|
1513 | if (pBp->iDbgfBp != UINT32_MAX)
|
---|
1514 | {
|
---|
1515 | rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pBp->iDbgfBp);
|
---|
1516 | AssertRC(rc);
|
---|
1517 | pBp->iDbgfBp = UINT32_MAX;
|
---|
1518 | }
|
---|
1519 |
|
---|
1520 | pBp->fAcc = fAcc;
|
---|
1521 | pBp->fLen = fLen;
|
---|
1522 | pBp->fGlobal = fGlobal;
|
---|
1523 | pBp->fLocal = fLocal;
|
---|
1524 | pBp->GCPtrBp = GCPtrBp;
|
---|
1525 | if (pBp->fGlobal || pBp->fLocal)
|
---|
1526 | {
|
---|
1527 | DBGFADDRESS AddrBp;
|
---|
1528 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrBp, GCPtrBp);
|
---|
1529 |
|
---|
1530 | uint8_t cb = 0;
|
---|
1531 | switch (pBp->fLen)
|
---|
1532 | {
|
---|
1533 | case X86_DR7_LEN_BYTE:
|
---|
1534 | cb = 1;
|
---|
1535 | break;
|
---|
1536 | case X86_DR7_LEN_WORD:
|
---|
1537 | cb = 2;
|
---|
1538 | break;
|
---|
1539 | case X86_DR7_LEN_DWORD:
|
---|
1540 | cb = 4;
|
---|
1541 | break;
|
---|
1542 | case X86_DR7_LEN_QWORD:
|
---|
1543 | cb = 8;
|
---|
1544 | break;
|
---|
1545 | default:
|
---|
1546 | AssertFailed();
|
---|
1547 | return VERR_NET_PROTOCOL_ERROR;
|
---|
1548 | }
|
---|
1549 |
|
---|
1550 | rc = DBGFR3BpSetReg(pThis->Dbgc.pUVM, &AddrBp, 0 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/,
|
---|
1551 | pBp->fAcc, cb, &pBp->iDbgfBp);
|
---|
1552 | }
|
---|
1553 | }
|
---|
1554 |
|
---|
1555 | return rc;
|
---|
1556 | }
|
---|
1557 |
|
---|
1558 |
|
---|
1559 | /**
|
---|
1560 | * Updates emulated hardware breakpoints based on the written DR7 value.
|
---|
1561 | *
|
---|
1562 | * @returns VBox status code.
|
---|
1563 | * @param pThis The KD context.
|
---|
1564 | * @param uDr7 The DR7 value which is written.
|
---|
1565 | */
|
---|
1566 | static int dbgcKdCtxHwBpDr7Update(PKDCTX pThis, uint32_t uDr7)
|
---|
1567 | {
|
---|
1568 | int rc = VINF_SUCCESS;
|
---|
1569 |
|
---|
1570 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
1571 | {
|
---|
1572 | PKDCTXHWBP pBp = &pThis->aHwBp[i];
|
---|
1573 | uint8_t fAcc = X86_DR7_GET_RW(uDr7, i);
|
---|
1574 | uint8_t fLen = X86_DR7_GET_LEN(uDr7, i);
|
---|
1575 | bool fGlobal = (uDr7 & RT_BIT_32(1 + i * 2)) ? true : false;
|
---|
1576 | bool fLocal = (uDr7 & RT_BIT_32(i * 2)) ? true : false;
|
---|
1577 |
|
---|
1578 | int rc2 = dbgcKdCtxHwBpUpdate(pThis, pBp, fAcc, fLen, fGlobal, fLocal, pThis->aHwBp[i].GCPtrBp);
|
---|
1579 | if ( RT_FAILURE(rc2)
|
---|
1580 | && RT_SUCCESS(rc))
|
---|
1581 | rc = rc2;
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 | return rc;
|
---|
1585 | }
|
---|
1586 |
|
---|
1587 |
|
---|
1588 | /**
|
---|
1589 | * Updates the linear guest pointer for the given hardware breakpoint.
|
---|
1590 | *
|
---|
1591 | * @returns VBox status code.
|
---|
1592 | * @param pThis The KD context.
|
---|
1593 | * @param pBp The breakpoint to update.
|
---|
1594 | * @param GCPtrBp The linear breakpoint address.
|
---|
1595 | */
|
---|
1596 | DECLINLINE(int) dbgcKdCtxHwBpGCPtrUpdate(PKDCTX pThis, PKDCTXHWBP pBp, RTGCPTR GCPtrBp)
|
---|
1597 | {
|
---|
1598 | return dbgcKdCtxHwBpUpdate(pThis, pBp, pBp->fAcc, pBp->fLen, pBp->fGlobal, pBp->fLocal, GCPtrBp);
|
---|
1599 | }
|
---|
1600 |
|
---|
1601 |
|
---|
1602 | /**
|
---|
1603 | * Calculates the DR7 value based on the emulated hardware breakpoint state and returns it.
|
---|
1604 | *
|
---|
1605 | * @returns The emulated DR7 value.
|
---|
1606 | * @param pThis The KD context.
|
---|
1607 | */
|
---|
1608 | static uint32_t dbgcKdCtxHwBpDr7Get(PKDCTX pThis)
|
---|
1609 | {
|
---|
1610 | uint32_t uDr7 = 0;
|
---|
1611 |
|
---|
1612 | uDr7 |= X86_DR7_RW(0, pThis->aHwBp[0].fAcc);
|
---|
1613 | uDr7 |= X86_DR7_RW(1, pThis->aHwBp[1].fAcc);
|
---|
1614 | uDr7 |= X86_DR7_RW(2, pThis->aHwBp[2].fAcc);
|
---|
1615 | uDr7 |= X86_DR7_RW(3, pThis->aHwBp[3].fAcc);
|
---|
1616 |
|
---|
1617 | uDr7 |= X86_DR7_LEN(0, pThis->aHwBp[0].fLen);
|
---|
1618 | uDr7 |= X86_DR7_LEN(1, pThis->aHwBp[1].fLen);
|
---|
1619 | uDr7 |= X86_DR7_LEN(2, pThis->aHwBp[2].fLen);
|
---|
1620 | uDr7 |= X86_DR7_LEN(3, pThis->aHwBp[3].fLen);
|
---|
1621 |
|
---|
1622 | uDr7 |= pThis->aHwBp[0].fGlobal ? X86_DR7_G(0) : 0;
|
---|
1623 | uDr7 |= pThis->aHwBp[1].fGlobal ? X86_DR7_G(1) : 0;
|
---|
1624 | uDr7 |= pThis->aHwBp[2].fGlobal ? X86_DR7_G(2) : 0;
|
---|
1625 | uDr7 |= pThis->aHwBp[3].fGlobal ? X86_DR7_G(3) : 0;
|
---|
1626 |
|
---|
1627 | uDr7 |= pThis->aHwBp[0].fLocal ? X86_DR7_L(0) : 0;
|
---|
1628 | uDr7 |= pThis->aHwBp[1].fLocal ? X86_DR7_L(1) : 0;
|
---|
1629 | uDr7 |= pThis->aHwBp[2].fLocal ? X86_DR7_L(2) : 0;
|
---|
1630 | uDr7 |= pThis->aHwBp[3].fLocal ? X86_DR7_L(3) : 0;
|
---|
1631 |
|
---|
1632 | return uDr7;
|
---|
1633 | }
|
---|
1634 |
|
---|
1635 |
|
---|
1636 | /**
|
---|
1637 | * Updates emulated hardware breakpoints based on the written DR6 value.
|
---|
1638 | *
|
---|
1639 | * @returns nothing.
|
---|
1640 | * @param pThis The KD context.
|
---|
1641 | * @param uDr6 The DR7 value which is written.
|
---|
1642 | */
|
---|
1643 | static void dbgcKdCtxHwBpDr6Update(PKDCTX pThis, uint32_t uDr6)
|
---|
1644 | {
|
---|
1645 | pThis->aHwBp[0].fTriggered = (uDr6 & X86_DR6_B0) ? true : false;
|
---|
1646 | pThis->aHwBp[1].fTriggered = (uDr6 & X86_DR6_B1) ? true : false;
|
---|
1647 | pThis->aHwBp[2].fTriggered = (uDr6 & X86_DR6_B2) ? true : false;
|
---|
1648 | pThis->aHwBp[3].fTriggered = (uDr6 & X86_DR6_B3) ? true : false;
|
---|
1649 | pThis->fSingleStepped = (uDr6 & X86_DR6_BS) ? true : false;
|
---|
1650 | }
|
---|
1651 |
|
---|
1652 |
|
---|
1653 | /**
|
---|
1654 | * Calculates the DR6 value based on the emulated hardware breakpoint state and returns it.
|
---|
1655 | *
|
---|
1656 | * @returns The emulated DR6 value.
|
---|
1657 | * @param pThis The KD context.
|
---|
1658 | */
|
---|
1659 | static uint32_t dbgcKdCtxHwBpDr6Get(PKDCTX pThis)
|
---|
1660 | {
|
---|
1661 | uint32_t uDr6 = 0;
|
---|
1662 |
|
---|
1663 | if (pThis->aHwBp[0].fTriggered)
|
---|
1664 | uDr6 |= X86_DR6_B0;
|
---|
1665 | if (pThis->aHwBp[1].fTriggered)
|
---|
1666 | uDr6 |= X86_DR6_B1;
|
---|
1667 | if (pThis->aHwBp[2].fTriggered)
|
---|
1668 | uDr6 |= X86_DR6_B2;
|
---|
1669 | if (pThis->aHwBp[3].fTriggered)
|
---|
1670 | uDr6 |= X86_DR6_B3;
|
---|
1671 | if (pThis->fSingleStepped)
|
---|
1672 | uDr6 |= X86_DR6_BS;
|
---|
1673 |
|
---|
1674 | return uDr6;
|
---|
1675 | }
|
---|
1676 |
|
---|
1677 |
|
---|
1678 | /**
|
---|
1679 | * Wrapper for the I/O interface write callback.
|
---|
1680 | *
|
---|
1681 | * @returns Status code.
|
---|
1682 | * @param pThis The KD context.
|
---|
1683 | * @param pvPkt The packet data to send.
|
---|
1684 | * @param cbPkt Size of the packet in bytes.
|
---|
1685 | */
|
---|
1686 | DECLINLINE(int) dbgcKdCtxWrite(PKDCTX pThis, const void *pvPkt, size_t cbPkt)
|
---|
1687 | {
|
---|
1688 | return pThis->Dbgc.pBack->pfnWrite(pThis->Dbgc.pBack, pvPkt, cbPkt, NULL /*pcbWritten*/);
|
---|
1689 | }
|
---|
1690 |
|
---|
1691 |
|
---|
1692 | /**
|
---|
1693 | * Fills in the given 64bit NT context structure with the requested values.
|
---|
1694 | *
|
---|
1695 | * @returns VBox status code.
|
---|
1696 | * @param pThis The KD context.
|
---|
1697 | * @param idCpu The CPU to query the context for.
|
---|
1698 | * @param pNtCtx The NT context structure to fill in.
|
---|
1699 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
1700 | */
|
---|
1701 | static int dbgcKdCtxQueryNtCtx64(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
|
---|
1702 | {
|
---|
1703 | RT_BZERO(pNtCtx, sizeof(*pNtCtx));
|
---|
1704 |
|
---|
1705 | pNtCtx->fContext = NTCONTEXT_F_AMD64;
|
---|
1706 | int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pNtCtx->u32RegMxCsr);
|
---|
1707 |
|
---|
1708 | if ( RT_SUCCESS(rc)
|
---|
1709 | && fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
1710 | {
|
---|
1711 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_CS, &pNtCtx->u16SegCs);
|
---|
1712 | if (RT_SUCCESS(rc))
|
---|
1713 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_SS, &pNtCtx->u16SegSs);
|
---|
1714 | if (RT_SUCCESS(rc))
|
---|
1715 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RIP, &pNtCtx->u64RegRip);
|
---|
1716 | if (RT_SUCCESS(rc))
|
---|
1717 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RSP, &pNtCtx->u64RegRsp);
|
---|
1718 | if (RT_SUCCESS(rc))
|
---|
1719 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RBP, &pNtCtx->u64RegRbp);
|
---|
1720 | if (RT_SUCCESS(rc))
|
---|
1721 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EFLAGS, &pNtCtx->u32RegEflags);
|
---|
1722 | if (RT_SUCCESS(rc))
|
---|
1723 | pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
|
---|
1724 | }
|
---|
1725 |
|
---|
1726 | if ( RT_SUCCESS(rc)
|
---|
1727 | && fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
1728 | {
|
---|
1729 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RAX, &pNtCtx->u64RegRax);
|
---|
1730 | if (RT_SUCCESS(rc))
|
---|
1731 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RCX, &pNtCtx->u64RegRcx);
|
---|
1732 | if (RT_SUCCESS(rc))
|
---|
1733 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RDX, &pNtCtx->u64RegRdx);
|
---|
1734 | if (RT_SUCCESS(rc))
|
---|
1735 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RBX, &pNtCtx->u64RegRbx);
|
---|
1736 | if (RT_SUCCESS(rc))
|
---|
1737 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RSI, &pNtCtx->u64RegRsi);
|
---|
1738 | if (RT_SUCCESS(rc))
|
---|
1739 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RDI, &pNtCtx->u64RegRdi);
|
---|
1740 | if (RT_SUCCESS(rc))
|
---|
1741 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R8, &pNtCtx->u64RegR8);
|
---|
1742 | if (RT_SUCCESS(rc))
|
---|
1743 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R9, &pNtCtx->u64RegR9);
|
---|
1744 | if (RT_SUCCESS(rc))
|
---|
1745 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R10, &pNtCtx->u64RegR10);
|
---|
1746 | if (RT_SUCCESS(rc))
|
---|
1747 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R11, &pNtCtx->u64RegR11);
|
---|
1748 | if (RT_SUCCESS(rc))
|
---|
1749 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R12, &pNtCtx->u64RegR12);
|
---|
1750 | if (RT_SUCCESS(rc))
|
---|
1751 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R13, &pNtCtx->u64RegR13);
|
---|
1752 | if (RT_SUCCESS(rc))
|
---|
1753 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R14, &pNtCtx->u64RegR14);
|
---|
1754 | if (RT_SUCCESS(rc))
|
---|
1755 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R15, &pNtCtx->u64RegR15);
|
---|
1756 | if (RT_SUCCESS(rc))
|
---|
1757 | pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
|
---|
1758 | }
|
---|
1759 |
|
---|
1760 | if ( RT_SUCCESS(rc)
|
---|
1761 | && fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
1762 | {
|
---|
1763 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_DS, &pNtCtx->u16SegDs);
|
---|
1764 | if (RT_SUCCESS(rc))
|
---|
1765 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_ES, &pNtCtx->u16SegEs);
|
---|
1766 | if (RT_SUCCESS(rc))
|
---|
1767 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_FS, &pNtCtx->u16SegFs);
|
---|
1768 | if (RT_SUCCESS(rc))
|
---|
1769 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GS, &pNtCtx->u16SegGs);
|
---|
1770 | if (RT_SUCCESS(rc))
|
---|
1771 | pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
|
---|
1772 | }
|
---|
1773 |
|
---|
1774 | if ( RT_SUCCESS(rc)
|
---|
1775 | && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
1776 | {
|
---|
1777 | /** @todo. */
|
---|
1778 | }
|
---|
1779 |
|
---|
1780 | if ( RT_SUCCESS(rc)
|
---|
1781 | && fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
1782 | {
|
---|
1783 | /** @todo */
|
---|
1784 | }
|
---|
1785 |
|
---|
1786 | return rc;
|
---|
1787 | }
|
---|
1788 |
|
---|
1789 |
|
---|
1790 | /**
|
---|
1791 | * Fills in the given 32bit NT context structure with the requested values.
|
---|
1792 | *
|
---|
1793 | * @returns VBox status code.
|
---|
1794 | * @param pThis The KD context.
|
---|
1795 | * @param idCpu The CPU to query the context for.
|
---|
1796 | * @param pNtCtx The NT context structure to fill in.
|
---|
1797 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
1798 | */
|
---|
1799 | static int dbgcKdCtxQueryNtCtx32(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT32 pNtCtx, uint32_t fCtxFlags)
|
---|
1800 | {
|
---|
1801 | RT_BZERO(pNtCtx, sizeof(*pNtCtx));
|
---|
1802 |
|
---|
1803 | pNtCtx->fContext = NTCONTEXT_F_X86;
|
---|
1804 |
|
---|
1805 | int rc = VINF_SUCCESS;
|
---|
1806 | if (fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
1807 | {
|
---|
1808 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CS, &pNtCtx->u32SegCs);
|
---|
1809 | if (RT_SUCCESS(rc))
|
---|
1810 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_SS, &pNtCtx->u32SegSs);
|
---|
1811 | if (RT_SUCCESS(rc))
|
---|
1812 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EIP, &pNtCtx->u32RegEip);
|
---|
1813 | if (RT_SUCCESS(rc))
|
---|
1814 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ESP, &pNtCtx->u32RegEsp);
|
---|
1815 | if (RT_SUCCESS(rc))
|
---|
1816 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EBP, &pNtCtx->u32RegEbp);
|
---|
1817 | if (RT_SUCCESS(rc))
|
---|
1818 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EFLAGS, &pNtCtx->u32RegEflags);
|
---|
1819 | if (RT_SUCCESS(rc))
|
---|
1820 | pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
|
---|
1821 | }
|
---|
1822 |
|
---|
1823 | if ( RT_SUCCESS(rc)
|
---|
1824 | && fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
1825 | {
|
---|
1826 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EAX, &pNtCtx->u32RegEax);
|
---|
1827 | if (RT_SUCCESS(rc))
|
---|
1828 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ECX, &pNtCtx->u32RegEcx);
|
---|
1829 | if (RT_SUCCESS(rc))
|
---|
1830 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EDX, &pNtCtx->u32RegEdx);
|
---|
1831 | if (RT_SUCCESS(rc))
|
---|
1832 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EBX, &pNtCtx->u32RegEbx);
|
---|
1833 | if (RT_SUCCESS(rc))
|
---|
1834 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ESI, &pNtCtx->u32RegEsi);
|
---|
1835 | if (RT_SUCCESS(rc))
|
---|
1836 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EDI, &pNtCtx->u32RegEdi);
|
---|
1837 | if (RT_SUCCESS(rc))
|
---|
1838 | pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
|
---|
1839 | }
|
---|
1840 |
|
---|
1841 | if ( RT_SUCCESS(rc)
|
---|
1842 | && fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
1843 | {
|
---|
1844 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DS, &pNtCtx->u32SegDs);
|
---|
1845 | if (RT_SUCCESS(rc))
|
---|
1846 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ES, &pNtCtx->u32SegEs);
|
---|
1847 | if (RT_SUCCESS(rc))
|
---|
1848 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_FS, &pNtCtx->u32SegFs);
|
---|
1849 | if (RT_SUCCESS(rc))
|
---|
1850 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_GS, &pNtCtx->u32SegGs);
|
---|
1851 | if (RT_SUCCESS(rc))
|
---|
1852 | pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
|
---|
1853 | }
|
---|
1854 |
|
---|
1855 | if ( RT_SUCCESS(rc)
|
---|
1856 | && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
1857 | {
|
---|
1858 | /** @todo. */
|
---|
1859 | }
|
---|
1860 |
|
---|
1861 | if ( RT_SUCCESS(rc)
|
---|
1862 | && fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
1863 | {
|
---|
1864 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR0, &pNtCtx->u32RegDr0);
|
---|
1865 | if (RT_SUCCESS(rc))
|
---|
1866 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR1, &pNtCtx->u32RegDr1);
|
---|
1867 | if (RT_SUCCESS(rc))
|
---|
1868 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR3, &pNtCtx->u32RegDr3);
|
---|
1869 | if (RT_SUCCESS(rc))
|
---|
1870 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR6, &pNtCtx->u32RegDr6);
|
---|
1871 | if (RT_SUCCESS(rc))
|
---|
1872 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR7, &pNtCtx->u32RegDr7);
|
---|
1873 | if (RT_SUCCESS(rc))
|
---|
1874 | pNtCtx->fContext |= NTCONTEXT_F_DEBUG;
|
---|
1875 | }
|
---|
1876 |
|
---|
1877 | return rc;
|
---|
1878 | }
|
---|
1879 |
|
---|
1880 |
|
---|
1881 | #define KD_REG_INIT(a_pszName, a_enmType, a_ValMember, a_Val) \
|
---|
1882 | do \
|
---|
1883 | { \
|
---|
1884 | aRegsSet[idxReg].pszName = a_pszName; \
|
---|
1885 | aRegsSet[idxReg].enmType = a_enmType; \
|
---|
1886 | aRegsSet[idxReg].Val.a_ValMember = a_Val; \
|
---|
1887 | idxReg++; \
|
---|
1888 | } while (0)
|
---|
1889 | #define KD_REG_INIT_DTR(a_pszName, a_Base, a_Limit) \
|
---|
1890 | do \
|
---|
1891 | { \
|
---|
1892 | aRegsSet[idxReg].pszName = a_pszName; \
|
---|
1893 | aRegsSet[idxReg].enmType = DBGFREGVALTYPE_DTR; \
|
---|
1894 | aRegsSet[idxReg].Val.dtr.u64Base = a_Base; \
|
---|
1895 | aRegsSet[idxReg].Val.dtr.u32Limit = a_Limit; \
|
---|
1896 | idxReg++; \
|
---|
1897 | } while (0)
|
---|
1898 | #define KD_REG_INIT_U16(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U16, u16, a_Val)
|
---|
1899 | #define KD_REG_INIT_U32(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U32, u32, a_Val)
|
---|
1900 | #define KD_REG_INIT_U64(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U64, u64, a_Val)
|
---|
1901 |
|
---|
1902 |
|
---|
1903 | /**
|
---|
1904 | * Writes the indicated values from the given context structure to the guests register set.
|
---|
1905 | *
|
---|
1906 | * @returns VBox status code.
|
---|
1907 | * @param pThis The KD context.
|
---|
1908 | * @param idCpu The CPU to query the context for.
|
---|
1909 | * @param pNtCtx The NT context structure to set.
|
---|
1910 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to set.
|
---|
1911 | */
|
---|
1912 | static int dbgcKdCtxSetNtCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
|
---|
1913 | {
|
---|
1914 | uint32_t idxReg = 0;
|
---|
1915 | DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
|
---|
1916 |
|
---|
1917 | KD_REG_INIT_U32("mxcsr", pNtCtx->u32RegMxCsr);
|
---|
1918 |
|
---|
1919 | if (fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
1920 | {
|
---|
1921 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
1922 | KD_REG_INIT_U16("cs", pNtCtx->u16SegCs);
|
---|
1923 | KD_REG_INIT_U16("ss", pNtCtx->u16SegSs);
|
---|
1924 | #endif
|
---|
1925 | KD_REG_INIT_U64("rip", pNtCtx->u64RegRip);
|
---|
1926 | KD_REG_INIT_U64("rsp", pNtCtx->u64RegRsp);
|
---|
1927 | KD_REG_INIT_U64("rbp", pNtCtx->u64RegRbp);
|
---|
1928 | KD_REG_INIT_U32("rflags", pNtCtx->u32RegEflags);
|
---|
1929 | }
|
---|
1930 |
|
---|
1931 | if (fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
1932 | {
|
---|
1933 | KD_REG_INIT_U64("rax", pNtCtx->u64RegRax);
|
---|
1934 | KD_REG_INIT_U64("rcx", pNtCtx->u64RegRcx);
|
---|
1935 | KD_REG_INIT_U64("rdx", pNtCtx->u64RegRdx);
|
---|
1936 | KD_REG_INIT_U64("rbx", pNtCtx->u64RegRbx);
|
---|
1937 | KD_REG_INIT_U64("rsi", pNtCtx->u64RegRsi);
|
---|
1938 | KD_REG_INIT_U64("rdi", pNtCtx->u64RegRdi);
|
---|
1939 | KD_REG_INIT_U64("r8", pNtCtx->u64RegR8);
|
---|
1940 | KD_REG_INIT_U64("r9", pNtCtx->u64RegR9);
|
---|
1941 | KD_REG_INIT_U64("r10", pNtCtx->u64RegR10);
|
---|
1942 | KD_REG_INIT_U64("r11", pNtCtx->u64RegR11);
|
---|
1943 | KD_REG_INIT_U64("r12", pNtCtx->u64RegR12);
|
---|
1944 | KD_REG_INIT_U64("r13", pNtCtx->u64RegR13);
|
---|
1945 | KD_REG_INIT_U64("r14", pNtCtx->u64RegR14);
|
---|
1946 | KD_REG_INIT_U64("r15", pNtCtx->u64RegR15);
|
---|
1947 | }
|
---|
1948 |
|
---|
1949 | if (fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
1950 | {
|
---|
1951 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
1952 | KD_REG_INIT_U16("ds", pNtCtx->u16SegDs);
|
---|
1953 | KD_REG_INIT_U16("es", pNtCtx->u16SegEs);
|
---|
1954 | KD_REG_INIT_U16("fs", pNtCtx->u16SegFs);
|
---|
1955 | KD_REG_INIT_U16("gs", pNtCtx->u16SegGs);
|
---|
1956 | #endif
|
---|
1957 | }
|
---|
1958 |
|
---|
1959 | if (fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
1960 | {
|
---|
1961 | /** @todo. */
|
---|
1962 | }
|
---|
1963 |
|
---|
1964 | if (fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
1965 | dbgcKdCtxMsgSend(pThis, true /*fWarning*/, "Setting local DR registers does not work!");
|
---|
1966 |
|
---|
1967 | return DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
|
---|
1968 | }
|
---|
1969 |
|
---|
1970 |
|
---|
1971 | /**
|
---|
1972 | * Fills in the given 64bit NT kernel context structure with the requested values.
|
---|
1973 | *
|
---|
1974 | * @returns VBox status code.
|
---|
1975 | * @param pThis The KD context.
|
---|
1976 | * @param idCpu The CPU to query the context for.
|
---|
1977 | * @param pKNtCtx The NT context structure to fill in.
|
---|
1978 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
1979 | */
|
---|
1980 | static int dbgcKdCtxQueryNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT64 pKNtCtx, uint32_t fCtxFlags)
|
---|
1981 | {
|
---|
1982 | RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
|
---|
1983 |
|
---|
1984 | int rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u64RegCr0);
|
---|
1985 | if (RT_SUCCESS(rc))
|
---|
1986 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u64RegCr2);
|
---|
1987 | if (RT_SUCCESS(rc))
|
---|
1988 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u64RegCr3);
|
---|
1989 | if (RT_SUCCESS(rc))
|
---|
1990 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u64RegCr4);
|
---|
1991 | if (RT_SUCCESS(rc))
|
---|
1992 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR8, &pKNtCtx->u64RegCr8);
|
---|
1993 | if (RT_SUCCESS(rc))
|
---|
1994 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
|
---|
1995 | if (RT_SUCCESS(rc))
|
---|
1996 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u64PtrBase);
|
---|
1997 | if (RT_SUCCESS(rc))
|
---|
1998 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
|
---|
1999 | if (RT_SUCCESS(rc))
|
---|
2000 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u64PtrBase);
|
---|
2001 | if (RT_SUCCESS(rc))
|
---|
2002 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
|
---|
2003 | if (RT_SUCCESS(rc))
|
---|
2004 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
|
---|
2005 | if (RT_SUCCESS(rc))
|
---|
2006 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pKNtCtx->u32RegMxCsr);
|
---|
2007 |
|
---|
2008 | if (RT_SUCCESS(rc))
|
---|
2009 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_GS_BASE, &pKNtCtx->u64MsrGsBase);
|
---|
2010 | if (RT_SUCCESS(rc))
|
---|
2011 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_KERNEL_GS_BASE, &pKNtCtx->u64MsrKernelGsBase);
|
---|
2012 | if (RT_SUCCESS(rc))
|
---|
2013 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K6_STAR, &pKNtCtx->u64MsrStar);
|
---|
2014 | if (RT_SUCCESS(rc))
|
---|
2015 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_LSTAR, &pKNtCtx->u64MsrLstar);
|
---|
2016 | if (RT_SUCCESS(rc))
|
---|
2017 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_CSTAR, &pKNtCtx->u64MsrCstar);
|
---|
2018 | if (RT_SUCCESS(rc))
|
---|
2019 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_SF_MASK, &pKNtCtx->u64MsrSfMask);
|
---|
2020 | /** @todo XCR0 */
|
---|
2021 |
|
---|
2022 | /* Get the emulated DR register state. */
|
---|
2023 | pKNtCtx->u64RegDr0 = pThis->aHwBp[0].GCPtrBp;
|
---|
2024 | pKNtCtx->u64RegDr1 = pThis->aHwBp[1].GCPtrBp;
|
---|
2025 | pKNtCtx->u64RegDr2 = pThis->aHwBp[2].GCPtrBp;
|
---|
2026 | pKNtCtx->u64RegDr3 = pThis->aHwBp[3].GCPtrBp;
|
---|
2027 | pKNtCtx->u64RegDr6 = dbgcKdCtxHwBpDr6Get(pThis);
|
---|
2028 | pKNtCtx->u64RegDr7 = dbgcKdCtxHwBpDr7Get(pThis);
|
---|
2029 |
|
---|
2030 | if (RT_SUCCESS(rc))
|
---|
2031 | rc = dbgcKdCtxQueryNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, fCtxFlags);
|
---|
2032 |
|
---|
2033 | return rc;
|
---|
2034 | }
|
---|
2035 |
|
---|
2036 |
|
---|
2037 | /**
|
---|
2038 | * Fills in the given 32bit NT kernel context structure with the requested values.
|
---|
2039 | *
|
---|
2040 | * @returns VBox status code.
|
---|
2041 | * @param pThis The KD context.
|
---|
2042 | * @param idCpu The CPU to query the context for.
|
---|
2043 | * @param pKNtCtx The NT context structure to fill in.
|
---|
2044 | */
|
---|
2045 | static int dbgcKdCtxQueryNtKCtx32(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT32 pKNtCtx)
|
---|
2046 | {
|
---|
2047 | RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
|
---|
2048 |
|
---|
2049 | int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u32RegCr0);
|
---|
2050 | if (RT_SUCCESS(rc))
|
---|
2051 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u32RegCr2);
|
---|
2052 | if (RT_SUCCESS(rc))
|
---|
2053 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u32RegCr3);
|
---|
2054 | if (RT_SUCCESS(rc))
|
---|
2055 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u32RegCr4);
|
---|
2056 |
|
---|
2057 | if (RT_SUCCESS(rc))
|
---|
2058 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
|
---|
2059 | if (RT_SUCCESS(rc))
|
---|
2060 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u32PtrBase);
|
---|
2061 | if (RT_SUCCESS(rc))
|
---|
2062 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
|
---|
2063 | if (RT_SUCCESS(rc))
|
---|
2064 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u32PtrBase);
|
---|
2065 | if (RT_SUCCESS(rc))
|
---|
2066 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
|
---|
2067 | if (RT_SUCCESS(rc))
|
---|
2068 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
|
---|
2069 |
|
---|
2070 | /* Get the emulated DR register state. */
|
---|
2071 | pKNtCtx->u32RegDr0 = (uint32_t)pThis->aHwBp[0].GCPtrBp;
|
---|
2072 | pKNtCtx->u32RegDr1 = (uint32_t)pThis->aHwBp[1].GCPtrBp;
|
---|
2073 | pKNtCtx->u32RegDr2 = (uint32_t)pThis->aHwBp[2].GCPtrBp;
|
---|
2074 | pKNtCtx->u32RegDr3 = (uint32_t)pThis->aHwBp[3].GCPtrBp;
|
---|
2075 | pKNtCtx->u32RegDr6 = dbgcKdCtxHwBpDr6Get(pThis);
|
---|
2076 | pKNtCtx->u32RegDr7 = dbgcKdCtxHwBpDr7Get(pThis);
|
---|
2077 |
|
---|
2078 | return rc;
|
---|
2079 | }
|
---|
2080 |
|
---|
2081 |
|
---|
2082 | /**
|
---|
2083 | * Fills in the given 64bit NT kernel context structure with the requested values.
|
---|
2084 | *
|
---|
2085 | * @returns VBox status code.
|
---|
2086 | * @param pThis The KD context.
|
---|
2087 | * @param idCpu The CPU to query the context for.
|
---|
2088 | * @param pKNtCtx The NT context structure to fill in.
|
---|
2089 | * @param cbSet How many bytes of the context are valid.
|
---|
2090 | */
|
---|
2091 | static int dbgcKdCtxSetNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTKCONTEXT64 pKNtCtx, size_t cbSet)
|
---|
2092 | {
|
---|
2093 | AssertReturn(cbSet >= RT_UOFFSETOF(NTKCONTEXT64, Ctx), VERR_INVALID_PARAMETER);
|
---|
2094 |
|
---|
2095 | uint32_t idxReg = 0;
|
---|
2096 | DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
|
---|
2097 |
|
---|
2098 | KD_REG_INIT_U64("cr0", pKNtCtx->u64RegCr0);
|
---|
2099 | KD_REG_INIT_U64("cr2", pKNtCtx->u64RegCr2);
|
---|
2100 | KD_REG_INIT_U64("cr3", pKNtCtx->u64RegCr3);
|
---|
2101 | KD_REG_INIT_U64("cr4", pKNtCtx->u64RegCr4);
|
---|
2102 | KD_REG_INIT_U64("cr8", pKNtCtx->u64RegCr8);
|
---|
2103 |
|
---|
2104 | KD_REG_INIT_DTR("gdtr", pKNtCtx->Gdtr.u64PtrBase, pKNtCtx->Gdtr.u16Limit);
|
---|
2105 | KD_REG_INIT_DTR("idtr", pKNtCtx->Idtr.u64PtrBase, pKNtCtx->Idtr.u16Limit);
|
---|
2106 |
|
---|
2107 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
2108 | KD_REG_INIT_U16("tr", pKNtCtx->u16RegTr);
|
---|
2109 | KD_REG_INIT_U16("ldtr", pKNtCtx->u16RegLdtr);
|
---|
2110 | #endif
|
---|
2111 | KD_REG_INIT_U32("mxcsr", pKNtCtx->u32RegMxCsr);
|
---|
2112 |
|
---|
2113 | KD_REG_INIT_U64("msr_gs_base", pKNtCtx->u64MsrGsBase);
|
---|
2114 | KD_REG_INIT_U64("krnl_gs_base", pKNtCtx->u64MsrKernelGsBase);
|
---|
2115 | KD_REG_INIT_U64("star", pKNtCtx->u64MsrStar);
|
---|
2116 | KD_REG_INIT_U64("lstar", pKNtCtx->u64MsrLstar);
|
---|
2117 | KD_REG_INIT_U64("cstar", pKNtCtx->u64MsrCstar);
|
---|
2118 | KD_REG_INIT_U64("sf_mask", pKNtCtx->u64MsrSfMask);
|
---|
2119 |
|
---|
2120 | int rc = DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
|
---|
2121 | if ( RT_SUCCESS(rc)
|
---|
2122 | && cbSet > RT_UOFFSETOF(NTKCONTEXT64, Ctx)) /** @todo Probably wrong. */
|
---|
2123 | rc = dbgcKdCtxSetNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, pKNtCtx->Ctx.fContext);
|
---|
2124 |
|
---|
2125 | if (RT_SUCCESS(rc))
|
---|
2126 | {
|
---|
2127 | /* Update emulated hardware breakpoint state. */
|
---|
2128 | dbgcKdCtxHwBpDr6Update(pThis, (uint32_t)pKNtCtx->u64RegDr6);
|
---|
2129 | rc = dbgcKdCtxHwBpDr7Update(pThis, (uint32_t)pKNtCtx->u64RegDr7);
|
---|
2130 | if (RT_SUCCESS(rc))
|
---|
2131 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[0], pKNtCtx->u64RegDr0);
|
---|
2132 | if (RT_SUCCESS(rc))
|
---|
2133 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[1], pKNtCtx->u64RegDr1);
|
---|
2134 | if (RT_SUCCESS(rc))
|
---|
2135 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[2], pKNtCtx->u64RegDr2);
|
---|
2136 | if (RT_SUCCESS(rc))
|
---|
2137 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[3], pKNtCtx->u64RegDr3);
|
---|
2138 | }
|
---|
2139 |
|
---|
2140 | return rc;
|
---|
2141 | }
|
---|
2142 |
|
---|
2143 | #undef KD_REG_INIT_64
|
---|
2144 | #undef KD_REG_INIT_32
|
---|
2145 | #undef KD_REG_INIT_16
|
---|
2146 | #undef KD_REG_INIT_DTR
|
---|
2147 | #undef KD_REG_INIT
|
---|
2148 |
|
---|
2149 |
|
---|
2150 | /**
|
---|
2151 | * Validates the given KD packet header.
|
---|
2152 | *
|
---|
2153 | * @returns Flag whether the packet header is valid, false if invalid.
|
---|
2154 | * @param pPktHdr The packet header to validate.
|
---|
2155 | */
|
---|
2156 | static bool dbgcKdPktHdrValidate(PCKDPACKETHDR pPktHdr)
|
---|
2157 | {
|
---|
2158 | if ( pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_DATA
|
---|
2159 | && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_CONTROL
|
---|
2160 | && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_BREAKIN)
|
---|
2161 | return false;
|
---|
2162 |
|
---|
2163 | if (pPktHdr->u16SubType >= KD_PACKET_HDR_SUB_TYPE_MAX)
|
---|
2164 | return false;
|
---|
2165 |
|
---|
2166 | uint32_t idPacket = pPktHdr->idPacket & UINT32_C(0xfffffffe);
|
---|
2167 | if ( idPacket != KD_PACKET_HDR_ID_INITIAL
|
---|
2168 | && idPacket != KD_PACKET_HDR_ID_RESET
|
---|
2169 | && idPacket != 0 /* Happens on the very first packet */)
|
---|
2170 | return false;
|
---|
2171 |
|
---|
2172 | return true;
|
---|
2173 | }
|
---|
2174 |
|
---|
2175 |
|
---|
2176 | /**
|
---|
2177 | * Generates a checksum from the given buffer.
|
---|
2178 | *
|
---|
2179 | * @returns Generated checksum.
|
---|
2180 | * @param pv The data to generate a checksum from.
|
---|
2181 | * @param cb Number of bytes to checksum.
|
---|
2182 | */
|
---|
2183 | static uint32_t dbgcKdPktChkSumGen(const void *pv, size_t cb)
|
---|
2184 | {
|
---|
2185 | const uint8_t *pb = (const uint8_t *)pv;
|
---|
2186 | uint32_t u32ChkSum = 0;
|
---|
2187 |
|
---|
2188 | while (cb--)
|
---|
2189 | u32ChkSum += *pb++;
|
---|
2190 |
|
---|
2191 | return u32ChkSum;
|
---|
2192 | }
|
---|
2193 |
|
---|
2194 |
|
---|
2195 | /**
|
---|
2196 | * Generates a checksum from the given segments.
|
---|
2197 | *
|
---|
2198 | * @returns Generated checksum.
|
---|
2199 | * @param paSegs Pointer to the array of segments containing the data.
|
---|
2200 | * @param cSegs Number of segments.
|
---|
2201 | * @param pcbChkSum Where to store the number of bytes checksummed, optional.
|
---|
2202 | */
|
---|
2203 | static uint32_t dbgcKdPktChkSumGenSg(PCRTSGSEG paSegs, uint32_t cSegs, size_t *pcbChkSum)
|
---|
2204 | {
|
---|
2205 | size_t cbChkSum = 0;
|
---|
2206 | uint32_t u32ChkSum = 0;
|
---|
2207 |
|
---|
2208 | for (uint32_t i = 0; i < cSegs; i++)
|
---|
2209 | {
|
---|
2210 | u32ChkSum += dbgcKdPktChkSumGen(paSegs[i].pvSeg, paSegs[i].cbSeg);
|
---|
2211 | cbChkSum += paSegs[i].cbSeg;
|
---|
2212 | }
|
---|
2213 |
|
---|
2214 | if (pcbChkSum)
|
---|
2215 | *pcbChkSum = cbChkSum;
|
---|
2216 |
|
---|
2217 | return u32ChkSum;
|
---|
2218 | }
|
---|
2219 |
|
---|
2220 |
|
---|
2221 | /**
|
---|
2222 | * Waits for an acknowledgment.
|
---|
2223 | *
|
---|
2224 | * @returns VBox status code.
|
---|
2225 | * @param pThis The KD context.
|
---|
2226 | * @param msWait Maximum number of milliseconds to wait for an acknowledge.
|
---|
2227 | * @param pfResend Where to store the resend requested flag on success.
|
---|
2228 | */
|
---|
2229 | static int dbgcKdCtxPktWaitForAck(PKDCTX pThis, RTMSINTERVAL msWait, bool *pfResend)
|
---|
2230 | {
|
---|
2231 | KDPACKETHDR PktAck;
|
---|
2232 | uint8_t *pbCur = (uint8_t *)&PktAck;
|
---|
2233 | size_t cbLeft = sizeof(PktAck);
|
---|
2234 | uint64_t tsStartMs = RTTimeMilliTS();
|
---|
2235 | int rc = VINF_SUCCESS;
|
---|
2236 |
|
---|
2237 | LogFlowFunc(("pThis=%p msWait=%u pfResend=%p\n", pThis, msWait, pfResend));
|
---|
2238 |
|
---|
2239 | RT_ZERO(PktAck);
|
---|
2240 |
|
---|
2241 | /* There might be breakin packets in the queue, read until we get something else. */
|
---|
2242 | while ( msWait
|
---|
2243 | && RT_SUCCESS(rc))
|
---|
2244 | {
|
---|
2245 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, msWait))
|
---|
2246 | {
|
---|
2247 | size_t cbRead = 0;
|
---|
2248 | rc = pThis->Dbgc.pBack->pfnRead(pThis->Dbgc.pBack, pbCur, 1, &cbRead);
|
---|
2249 | if ( RT_SUCCESS(rc)
|
---|
2250 | && cbRead == 1)
|
---|
2251 | {
|
---|
2252 | uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
|
---|
2253 | msWait -= RT_MIN(msWait, tsSpanMs);
|
---|
2254 | tsStartMs = RTTimeMilliTS();
|
---|
2255 |
|
---|
2256 | if (*pbCur == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
2257 | pThis->fBreakinRecv = true;
|
---|
2258 | else
|
---|
2259 | {
|
---|
2260 | pbCur++;
|
---|
2261 | cbLeft--;
|
---|
2262 | break;
|
---|
2263 | }
|
---|
2264 | }
|
---|
2265 | }
|
---|
2266 | else
|
---|
2267 | rc = VERR_TIMEOUT;
|
---|
2268 | }
|
---|
2269 |
|
---|
2270 | if ( RT_SUCCESS(rc)
|
---|
2271 | && !msWait)
|
---|
2272 | rc = VERR_TIMEOUT;
|
---|
2273 |
|
---|
2274 | if (RT_SUCCESS(rc))
|
---|
2275 | {
|
---|
2276 | while ( msWait
|
---|
2277 | && RT_SUCCESS(rc)
|
---|
2278 | && cbLeft)
|
---|
2279 | {
|
---|
2280 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, msWait))
|
---|
2281 | {
|
---|
2282 | size_t cbRead = 0;
|
---|
2283 | rc = pThis->Dbgc.pBack->pfnRead(pThis->Dbgc.pBack, pbCur, cbLeft, &cbRead);
|
---|
2284 | if (RT_SUCCESS(rc))
|
---|
2285 | {
|
---|
2286 | uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
|
---|
2287 | msWait -= RT_MIN(msWait, tsSpanMs);
|
---|
2288 | tsStartMs = RTTimeMilliTS();
|
---|
2289 |
|
---|
2290 | cbLeft -= cbRead;
|
---|
2291 | pbCur += cbRead;
|
---|
2292 | }
|
---|
2293 | }
|
---|
2294 | else
|
---|
2295 | rc = VERR_TIMEOUT;
|
---|
2296 | }
|
---|
2297 |
|
---|
2298 | if (RT_SUCCESS(rc))
|
---|
2299 | {
|
---|
2300 | if (PktAck.u32Signature == KD_PACKET_HDR_SIGNATURE_CONTROL)
|
---|
2301 | {
|
---|
2302 | if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE)
|
---|
2303 | rc = VINF_SUCCESS;
|
---|
2304 | else if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_RESEND)
|
---|
2305 | {
|
---|
2306 | *pfResend = true;
|
---|
2307 | rc = VINF_SUCCESS;
|
---|
2308 | }
|
---|
2309 | else
|
---|
2310 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
2311 | }
|
---|
2312 | else
|
---|
2313 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
2314 | }
|
---|
2315 | }
|
---|
2316 |
|
---|
2317 | LogFlowFunc(("returns rc=%Rrc *pfResend=%RTbool\n", rc, *pfResend));
|
---|
2318 | return rc;
|
---|
2319 | }
|
---|
2320 |
|
---|
2321 |
|
---|
2322 | /**
|
---|
2323 | * Sends the given packet header and optional segmented body (the trailing byte is sent automatically).
|
---|
2324 | *
|
---|
2325 | * @returns VBox status code.
|
---|
2326 | * @param pThis The KD context.
|
---|
2327 | * @param u32Signature The signature to send.
|
---|
2328 | * @param u16SubType The sub type to send.
|
---|
2329 | * @param paSegs Pointer to the array of segments to send in the body, optional.
|
---|
2330 | * @param cSegs Number of segments.
|
---|
2331 | * @param fAck Flag whether to wait for an acknowledge.
|
---|
2332 | */
|
---|
2333 | static int dbgcKdCtxPktSendSg(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
|
---|
2334 | PCRTSGSEG paSegs, uint32_t cSegs, bool fAck)
|
---|
2335 | {
|
---|
2336 | int rc = VINF_SUCCESS;
|
---|
2337 | uint32_t cRetriesLeft = 3;
|
---|
2338 | uint8_t bTrailer = KD_PACKET_TRAILING_BYTE;
|
---|
2339 | KDPACKETHDR Hdr;
|
---|
2340 |
|
---|
2341 | size_t cbChkSum = 0;
|
---|
2342 | uint32_t u32ChkSum = dbgcKdPktChkSumGenSg(paSegs, cSegs, &cbChkSum);
|
---|
2343 |
|
---|
2344 | Hdr.u32Signature = u32Signature;
|
---|
2345 | Hdr.u16SubType = u16SubType;
|
---|
2346 | Hdr.cbBody = (uint16_t)cbChkSum;
|
---|
2347 | Hdr.idPacket = pThis->idPktNext;
|
---|
2348 | Hdr.u32ChkSum = u32ChkSum;
|
---|
2349 |
|
---|
2350 | #ifdef LOG_ENABLED
|
---|
2351 | dbgcKdPktDump(&Hdr, paSegs, cSegs, false /*fRx*/);
|
---|
2352 | #endif
|
---|
2353 |
|
---|
2354 | while (cRetriesLeft--)
|
---|
2355 | {
|
---|
2356 | bool fResend = false;
|
---|
2357 |
|
---|
2358 | rc = dbgcKdCtxWrite(pThis, &Hdr, sizeof(Hdr));
|
---|
2359 | if ( RT_SUCCESS(rc)
|
---|
2360 | && paSegs
|
---|
2361 | && cSegs)
|
---|
2362 | {
|
---|
2363 | for (uint32_t i = 0; i < cSegs && RT_SUCCESS(rc); i++)
|
---|
2364 | rc = dbgcKdCtxWrite(pThis, paSegs[i].pvSeg, paSegs[i].cbSeg);
|
---|
2365 |
|
---|
2366 | if (RT_SUCCESS(rc))
|
---|
2367 | rc = dbgcKdCtxWrite(pThis, &bTrailer, sizeof(bTrailer));
|
---|
2368 | }
|
---|
2369 |
|
---|
2370 | if (RT_SUCCESS(rc))
|
---|
2371 | {
|
---|
2372 | if (fAck)
|
---|
2373 | rc = dbgcKdCtxPktWaitForAck(pThis, 10 * 1000, &fResend);
|
---|
2374 |
|
---|
2375 | if ( RT_SUCCESS(rc)
|
---|
2376 | && !fResend)
|
---|
2377 | break;
|
---|
2378 | }
|
---|
2379 | }
|
---|
2380 |
|
---|
2381 | return rc;
|
---|
2382 | }
|
---|
2383 |
|
---|
2384 |
|
---|
2385 | /**
|
---|
2386 | * Sends the given packet header and optional body (the trailing byte is sent automatically).
|
---|
2387 | *
|
---|
2388 | * @returns VBox status code.
|
---|
2389 | * @param pThis The KD context.
|
---|
2390 | * @param u32Signature The signature to send.
|
---|
2391 | * @param u16SubType The sub type to send.
|
---|
2392 | * @param pvBody The body to send, optional.
|
---|
2393 | * @param cbBody Body size in bytes.
|
---|
2394 | * @param fAck Flag whether to wait for an acknowledge.
|
---|
2395 | */
|
---|
2396 | DECLINLINE(int) dbgcKdCtxPktSend(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
|
---|
2397 | const void *pvBody, size_t cbBody,
|
---|
2398 | bool fAck)
|
---|
2399 | {
|
---|
2400 | RTSGSEG Seg;
|
---|
2401 |
|
---|
2402 | Seg.pvSeg = (void *)pvBody;
|
---|
2403 | Seg.cbSeg = cbBody;
|
---|
2404 | return dbgcKdCtxPktSendSg(pThis, u32Signature, u16SubType, cbBody ? &Seg : NULL, cbBody ? 1 : 0, fAck);
|
---|
2405 | }
|
---|
2406 |
|
---|
2407 |
|
---|
2408 | /**
|
---|
2409 | * Sends a resend packet answer.
|
---|
2410 | *
|
---|
2411 | * @returns VBox status code.
|
---|
2412 | * @param pThis The KD context.
|
---|
2413 | */
|
---|
2414 | DECLINLINE(int) dbgcKdCtxPktSendResend(PKDCTX pThis)
|
---|
2415 | {
|
---|
2416 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESEND,
|
---|
2417 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
2418 | }
|
---|
2419 |
|
---|
2420 |
|
---|
2421 | /**
|
---|
2422 | * Sends a resend packet answer.
|
---|
2423 | *
|
---|
2424 | * @returns VBox status code.
|
---|
2425 | * @param pThis The KD context.
|
---|
2426 | */
|
---|
2427 | DECLINLINE(int) dbgcKdCtxPktSendReset(PKDCTX pThis)
|
---|
2428 | {
|
---|
2429 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
2430 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESET,
|
---|
2431 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
2432 | }
|
---|
2433 |
|
---|
2434 |
|
---|
2435 | /**
|
---|
2436 | * Sends an acknowledge packet answer.
|
---|
2437 | *
|
---|
2438 | * @returns VBox status code.
|
---|
2439 | * @param pThis The KD context.
|
---|
2440 | */
|
---|
2441 | DECLINLINE(int) dbgcKdCtxPktSendAck(PKDCTX pThis)
|
---|
2442 | {
|
---|
2443 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE,
|
---|
2444 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
2445 | }
|
---|
2446 |
|
---|
2447 |
|
---|
2448 | /**
|
---|
2449 | * Resets the packet receive state machine.
|
---|
2450 | *
|
---|
2451 | * @returns nothing.
|
---|
2452 | * @param pThis The KD context.
|
---|
2453 | */
|
---|
2454 | static void dbgcKdCtxPktRecvReset(PKDCTX pThis)
|
---|
2455 | {
|
---|
2456 | pThis->enmState = KDRECVSTATE_PACKET_HDR_FIRST_BYTE;
|
---|
2457 | pThis->pbRecv = &pThis->PktHdr.ab[0];
|
---|
2458 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[0]);
|
---|
2459 | pThis->msRecvTimeout = RT_INDEFINITE_WAIT;
|
---|
2460 | pThis->tsRecvLast = RTTimeMilliTS();
|
---|
2461 | }
|
---|
2462 |
|
---|
2463 |
|
---|
2464 | /**
|
---|
2465 | * Sends a Debug I/O string packet.
|
---|
2466 | *
|
---|
2467 | * @returns VBox status code.
|
---|
2468 | * @param pThis The KD context data.
|
---|
2469 | * @param idCpu The CPU ID generating this packet.
|
---|
2470 | * @param pachChars The characters to send (ASCII).
|
---|
2471 | * @param cbChars Number of characters to send.
|
---|
2472 | */
|
---|
2473 | static int dbgcKdCtxDebugIoStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachChars, size_t cbChars)
|
---|
2474 | {
|
---|
2475 | KDPACKETDEBUGIO DebugIo;
|
---|
2476 | RT_ZERO(DebugIo);
|
---|
2477 |
|
---|
2478 | /* Fix your damn log strings if this exceeds 4GB... */
|
---|
2479 | if (cbChars != (uint32_t)cbChars)
|
---|
2480 | return VERR_BUFFER_OVERFLOW;
|
---|
2481 |
|
---|
2482 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
|
---|
2483 | DebugIo.u16CpuLvl = 0x6;
|
---|
2484 | DebugIo.idCpu = (uint16_t)idCpu;
|
---|
2485 | DebugIo.u.Str.cbStr = (uint32_t)cbChars;
|
---|
2486 |
|
---|
2487 | RTSGSEG aRespSegs[2];
|
---|
2488 |
|
---|
2489 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
2490 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
2491 | aRespSegs[1].pvSeg = (void *)pachChars;
|
---|
2492 | aRespSegs[1].cbSeg = cbChars;
|
---|
2493 |
|
---|
2494 | int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
2495 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2496 | if (RT_SUCCESS(rc))
|
---|
2497 | pThis->idPktNext ^= 0x1;
|
---|
2498 |
|
---|
2499 | return rc;
|
---|
2500 | }
|
---|
2501 |
|
---|
2502 |
|
---|
2503 | /**
|
---|
2504 | * Sends a message to the remotes end.
|
---|
2505 | *
|
---|
2506 | * @returns nothing.
|
---|
2507 | * @param pThis The KD context data.
|
---|
2508 | * @param fWarning Flag whether this is a warning or an informational message.
|
---|
2509 | * @param pszMsg The message to send.
|
---|
2510 | */
|
---|
2511 | static void dbgcKdCtxMsgSend(PKDCTX pThis, bool fWarning, const char *pszMsg)
|
---|
2512 | {
|
---|
2513 | size_t cchMsg = strlen(pszMsg);
|
---|
2514 |
|
---|
2515 | KDPACKETDEBUGIO DebugIo;
|
---|
2516 | RT_ZERO(DebugIo);
|
---|
2517 |
|
---|
2518 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
|
---|
2519 | DebugIo.u16CpuLvl = 0x6;
|
---|
2520 | DebugIo.idCpu = 0;
|
---|
2521 |
|
---|
2522 | RTSGSEG aRespSegs[5];
|
---|
2523 |
|
---|
2524 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
2525 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
2526 | aRespSegs[1].pvSeg = (void *)"VBoxDbg ";
|
---|
2527 | aRespSegs[1].cbSeg = sizeof("VBoxDbg ") - 1;
|
---|
2528 | if (fWarning)
|
---|
2529 | {
|
---|
2530 | aRespSegs[2].pvSeg = (void *)"WARNING ";
|
---|
2531 | aRespSegs[2].cbSeg = sizeof("WARNING ") - 1;
|
---|
2532 | }
|
---|
2533 | else
|
---|
2534 | {
|
---|
2535 | aRespSegs[2].pvSeg = (void *)"INFO ";
|
---|
2536 | aRespSegs[2].cbSeg = sizeof("INFO ") - 1;
|
---|
2537 | }
|
---|
2538 | aRespSegs[3].pvSeg = (void *)pszMsg;
|
---|
2539 | aRespSegs[3].cbSeg = cchMsg;
|
---|
2540 | aRespSegs[4].pvSeg = (void *)"\r\n";
|
---|
2541 | aRespSegs[4].cbSeg = 2;
|
---|
2542 |
|
---|
2543 | DebugIo.u.Str.cbStr = aRespSegs[1].cbSeg
|
---|
2544 | + aRespSegs[2].cbSeg
|
---|
2545 | + aRespSegs[3].cbSeg
|
---|
2546 | + aRespSegs[4].cbSeg;
|
---|
2547 |
|
---|
2548 | int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
2549 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2550 | if (RT_SUCCESS(rc))
|
---|
2551 | pThis->idPktNext ^= 0x1;
|
---|
2552 | }
|
---|
2553 |
|
---|
2554 |
|
---|
2555 | /**
|
---|
2556 | * Queries some user input from the remotes end.
|
---|
2557 | *
|
---|
2558 | * @returns VBox status code.
|
---|
2559 | * @param pThis The KD context data.
|
---|
2560 | * @param idCpu The CPU ID generating this packet.
|
---|
2561 | * @param pachPrompt The prompt to send (ASCII).
|
---|
2562 | * @param cbPrompt Number of characters to send for the prompt.
|
---|
2563 | * @param cbResponseMax Maximum size for the response.
|
---|
2564 | */
|
---|
2565 | static int dbgcKdCtxDebugIoGetStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachPrompt, size_t cbPrompt,
|
---|
2566 | size_t cbResponseMax)
|
---|
2567 | {
|
---|
2568 | KDPACKETDEBUGIO DebugIo;
|
---|
2569 | RT_ZERO(DebugIo);
|
---|
2570 |
|
---|
2571 | /* Fix your damn log strings if this exceeds 4GB... */
|
---|
2572 | if ( cbPrompt != (uint32_t)cbPrompt
|
---|
2573 | || cbResponseMax != (uint32_t)cbResponseMax)
|
---|
2574 | return VERR_BUFFER_OVERFLOW;
|
---|
2575 |
|
---|
2576 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_GET_STRING;
|
---|
2577 | DebugIo.u16CpuLvl = 0x6;
|
---|
2578 | DebugIo.idCpu = (uint16_t)idCpu;
|
---|
2579 | DebugIo.u.Prompt.cbPrompt = (uint32_t)cbPrompt;
|
---|
2580 | DebugIo.u.Prompt.cbReturn = (uint32_t)cbResponseMax;
|
---|
2581 |
|
---|
2582 | RTSGSEG aRespSegs[2];
|
---|
2583 |
|
---|
2584 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
2585 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
2586 | aRespSegs[1].pvSeg = (void *)pachPrompt;
|
---|
2587 | aRespSegs[1].cbSeg = cbPrompt;
|
---|
2588 |
|
---|
2589 | int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
2590 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2591 | if (RT_SUCCESS(rc))
|
---|
2592 | pThis->idPktNext ^= 0x1;
|
---|
2593 |
|
---|
2594 | return rc;
|
---|
2595 | }
|
---|
2596 |
|
---|
2597 |
|
---|
2598 | /**
|
---|
2599 | * Sends a state change event packet.
|
---|
2600 | *
|
---|
2601 | * @returns VBox status code.
|
---|
2602 | * @param pThis The KD context data.
|
---|
2603 | * @param enmType The event type.
|
---|
2604 | */
|
---|
2605 | static int dbgcKdCtxStateChangeSend(PKDCTX pThis, DBGFEVENTTYPE enmType)
|
---|
2606 | {
|
---|
2607 | LogFlowFunc(("pThis=%p enmType=%u\n", pThis, enmType));
|
---|
2608 |
|
---|
2609 | /* Select the record to send based on the CPU mode. */
|
---|
2610 | int rc = VINF_SUCCESS;
|
---|
2611 | KDPACKETSTATECHANGE64 StateChange64;
|
---|
2612 | RT_ZERO(StateChange64);
|
---|
2613 |
|
---|
2614 | StateChange64.u32StateNew = KD_PACKET_STATE_CHANGE_EXCEPTION;
|
---|
2615 | StateChange64.u16CpuLvl = 0x6; /** @todo Figure this one out. */
|
---|
2616 | StateChange64.idCpu = pThis->Dbgc.idCpu;
|
---|
2617 | StateChange64.cCpus = (uint16_t)DBGFR3CpuGetCount(pThis->Dbgc.pUVM);
|
---|
2618 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RIP, &StateChange64.u64RipThread);
|
---|
2619 | if (RT_SUCCESS(rc))
|
---|
2620 | {
|
---|
2621 | DBGFADDRESS AddrRip;
|
---|
2622 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRip, StateChange64.u64RipThread);
|
---|
2623 |
|
---|
2624 | StateChange64.u64RipThread = KD_PTR_CREATE(pThis, StateChange64.u64RipThread);
|
---|
2625 |
|
---|
2626 | /** @todo Properly fill in the exception record. */
|
---|
2627 | switch (enmType)
|
---|
2628 | {
|
---|
2629 | case DBGFEVENT_HALT_DONE:
|
---|
2630 | case DBGFEVENT_BREAKPOINT:
|
---|
2631 | case DBGFEVENT_BREAKPOINT_IO:
|
---|
2632 | case DBGFEVENT_BREAKPOINT_MMIO:
|
---|
2633 | case DBGFEVENT_BREAKPOINT_HYPER:
|
---|
2634 | StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_BKPT;
|
---|
2635 | break;
|
---|
2636 | case DBGFEVENT_STEPPED:
|
---|
2637 | case DBGFEVENT_STEPPED_HYPER:
|
---|
2638 | pThis->fSingleStepped = true; /* For emulation of DR6. */
|
---|
2639 | StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_SINGLE_STEP;
|
---|
2640 | break;
|
---|
2641 | default:
|
---|
2642 | AssertMsgFailed(("Invalid DBGF event type for state change %d!\n", enmType));
|
---|
2643 | }
|
---|
2644 |
|
---|
2645 | StateChange64.u.Exception.ExcpRec.cExcpParms = 3;
|
---|
2646 | StateChange64.u.Exception.u32FirstChance = 0x1;
|
---|
2647 |
|
---|
2648 | /** @todo Properly fill in the control report. */
|
---|
2649 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR6, &StateChange64.uCtrlReport.Amd64.u64RegDr6);
|
---|
2650 | if (RT_SUCCESS(rc))
|
---|
2651 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR7, &StateChange64.uCtrlReport.Amd64.u64RegDr7);
|
---|
2652 | if (RT_SUCCESS(rc))
|
---|
2653 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RFLAGS, &StateChange64.uCtrlReport.Amd64.u32RegEflags);
|
---|
2654 | if (RT_SUCCESS(rc))
|
---|
2655 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_CS, &StateChange64.uCtrlReport.Amd64.u16SegCs);
|
---|
2656 | if (RT_SUCCESS(rc))
|
---|
2657 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DS, &StateChange64.uCtrlReport.Amd64.u16SegDs);
|
---|
2658 | if (RT_SUCCESS(rc))
|
---|
2659 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_ES, &StateChange64.uCtrlReport.Amd64.u16SegEs);
|
---|
2660 | if (RT_SUCCESS(rc))
|
---|
2661 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_FS, &StateChange64.uCtrlReport.Amd64.u16SegFs);
|
---|
2662 |
|
---|
2663 | /* Read instruction bytes. */
|
---|
2664 | StateChange64.uCtrlReport.Amd64.cbInsnStream = sizeof(StateChange64.uCtrlReport.Amd64.abInsn);
|
---|
2665 | rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRip,
|
---|
2666 | &StateChange64.uCtrlReport.Amd64.abInsn[0], StateChange64.uCtrlReport.Amd64.cbInsnStream);
|
---|
2667 | if (RT_SUCCESS(rc))
|
---|
2668 | {
|
---|
2669 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
2670 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64,
|
---|
2671 | &StateChange64, sizeof(StateChange64), false /*fAck*/);
|
---|
2672 | }
|
---|
2673 | }
|
---|
2674 |
|
---|
2675 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
2676 | return rc;
|
---|
2677 | }
|
---|
2678 |
|
---|
2679 |
|
---|
2680 | /**
|
---|
2681 | * Processes a get version 64 request.
|
---|
2682 | *
|
---|
2683 | * @returns VBox status code.
|
---|
2684 | * @param pThis The KD context.
|
---|
2685 | * @param pPktManip The manipulate packet request.
|
---|
2686 | */
|
---|
2687 | static int dbgcKdCtxPktManipulate64GetVersion(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2688 | {
|
---|
2689 | KDPACKETMANIPULATE64 Resp;
|
---|
2690 | RT_ZERO(Resp);
|
---|
2691 |
|
---|
2692 | /* Fill in the generic part. */
|
---|
2693 | Resp.Hdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_VERSION;
|
---|
2694 | Resp.Hdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2695 | Resp.Hdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2696 | Resp.Hdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2697 |
|
---|
2698 | /* Build our own response in case there is no Windows interface available. */
|
---|
2699 | uint32_t NtBuildNumber = 0x0f2800; /* Used when there is no NT interface available, which probably breaks symbol loading. */
|
---|
2700 | bool f32Bit = false;
|
---|
2701 | if (pThis->pIfWinNt)
|
---|
2702 | {
|
---|
2703 | int rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM,
|
---|
2704 | NULL /*puVersMajor*/, NULL /*puVersMinor*/,
|
---|
2705 | &NtBuildNumber, &f32Bit);
|
---|
2706 | if (RT_SUCCESS(rc))
|
---|
2707 | rc = pThis->pIfWinNt->pfnQueryKernelPtrs(pThis->pIfWinNt, pThis->Dbgc.pUVM, &Resp.u.GetVersion.u64PtrKernBase,
|
---|
2708 | &Resp.u.GetVersion.u64PtrPsLoadedModuleList);
|
---|
2709 | }
|
---|
2710 |
|
---|
2711 | /* Fill in the request specific part. */
|
---|
2712 | Resp.u.GetVersion.u16VersMaj = NtBuildNumber >> 16;
|
---|
2713 | Resp.u.GetVersion.u16VersMin = NtBuildNumber & UINT32_C(0xffff);
|
---|
2714 | Resp.u.GetVersion.u8VersProtocol = 0x6; /* From a Windows 10 guest. */
|
---|
2715 | Resp.u.GetVersion.u8VersKdSecondary = pThis->f32Bit ? 0 : 0x2; /* amd64 has a versioned context (0 and 1 are obsolete). */
|
---|
2716 | Resp.u.GetVersion.fFlags = KD_PACKET_MANIPULATE64_GET_VERSION_F_MP;
|
---|
2717 | Resp.u.GetVersion.u8MaxPktType = KD_PACKET_HDR_SUB_TYPE_MAX;
|
---|
2718 | Resp.u.GetVersion.u8MaxStateChange = KD_PACKET_STATE_CHANGE_MAX - KD_PACKET_STATE_CHANGE_MIN;
|
---|
2719 | Resp.u.GetVersion.u8MaxManipulate = KD_PACKET_MANIPULATE_REQ_MAX - KD_PACKET_MANIPULATE_REQ_MIN;
|
---|
2720 | Resp.u.GetVersion.u64PtrDebuggerDataList = 0;
|
---|
2721 |
|
---|
2722 | if (f32Bit)
|
---|
2723 | {
|
---|
2724 | Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_I386;
|
---|
2725 | Resp.u.GetVersion.u64PtrKernBase = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrKernBase);
|
---|
2726 | Resp.u.GetVersion.u64PtrPsLoadedModuleList = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrPsLoadedModuleList);
|
---|
2727 | }
|
---|
2728 | else
|
---|
2729 | {
|
---|
2730 | Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_AMD64;
|
---|
2731 | Resp.u.GetVersion.fFlags |= KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64;
|
---|
2732 | }
|
---|
2733 |
|
---|
2734 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2735 | &Resp, sizeof(Resp), true /*fAck*/);
|
---|
2736 | }
|
---|
2737 |
|
---|
2738 |
|
---|
2739 | /**
|
---|
2740 | * Processes a read memory 64 request.
|
---|
2741 | *
|
---|
2742 | * @returns VBox status code.
|
---|
2743 | * @param pThis The KD context.
|
---|
2744 | * @param pPktManip The manipulate packet request.
|
---|
2745 | */
|
---|
2746 | static int dbgcKdCtxPktManipulate64ReadMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2747 | {
|
---|
2748 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2749 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
2750 | uint8_t abMem[_4K];
|
---|
2751 | RT_ZERO(RespHdr); RT_ZERO(XferMem64);
|
---|
2752 |
|
---|
2753 | DBGFADDRESS AddrRead;
|
---|
2754 | uint32_t cbRead = RT_MIN(sizeof(abMem), pPktManip->u.XferMem.cbXferReq);
|
---|
2755 | if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM)
|
---|
2756 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2757 | else
|
---|
2758 | DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2759 |
|
---|
2760 | RTSGSEG aRespSegs[3];
|
---|
2761 | uint32_t cSegs = 2; /* Gets incremented when read is successful. */
|
---|
2762 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2763 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2764 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2765 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2766 |
|
---|
2767 | XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
|
---|
2768 | XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
|
---|
2769 | XferMem64.cbXfered = (uint32_t)cbRead;
|
---|
2770 |
|
---|
2771 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2772 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2773 | aRespSegs[1].pvSeg = &XferMem64;
|
---|
2774 | aRespSegs[1].cbSeg = sizeof(XferMem64);
|
---|
2775 |
|
---|
2776 | int rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRead, &abMem[0], cbRead);
|
---|
2777 | if (RT_SUCCESS(rc))
|
---|
2778 | {
|
---|
2779 | cSegs++;
|
---|
2780 | aRespSegs[2].pvSeg = &abMem[0];
|
---|
2781 | aRespSegs[2].cbSeg = cbRead;
|
---|
2782 | }
|
---|
2783 | else
|
---|
2784 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2785 |
|
---|
2786 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2787 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2788 | }
|
---|
2789 |
|
---|
2790 |
|
---|
2791 | /**
|
---|
2792 | * Processes a write memory 64 request.
|
---|
2793 | *
|
---|
2794 | * @returns VBox status code.
|
---|
2795 | * @param pThis The KD context.
|
---|
2796 | * @param pPktManip The manipulate packet request.
|
---|
2797 | */
|
---|
2798 | static int dbgcKdCtxPktManipulate64WriteMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2799 | {
|
---|
2800 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2801 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
2802 | RT_ZERO(RespHdr); RT_ZERO(XferMem64);
|
---|
2803 |
|
---|
2804 | DBGFADDRESS AddrWrite;
|
---|
2805 | const void *pv = &pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
2806 | uint32_t cbWrite = RT_MIN(sizeof(pThis->abBody) - sizeof(*pPktManip), pPktManip->u.XferMem.cbXferReq);
|
---|
2807 | if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM)
|
---|
2808 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2809 | else
|
---|
2810 | DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2811 |
|
---|
2812 | RTSGSEG aRespSegs[2];
|
---|
2813 | uint32_t cSegs = 2;
|
---|
2814 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2815 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2816 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2817 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2818 |
|
---|
2819 | XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
|
---|
2820 | XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
|
---|
2821 | XferMem64.cbXfered = (uint32_t)cbWrite;
|
---|
2822 |
|
---|
2823 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2824 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2825 | aRespSegs[1].pvSeg = &XferMem64;
|
---|
2826 | aRespSegs[1].cbSeg = sizeof(XferMem64);
|
---|
2827 |
|
---|
2828 | int rc = DBGFR3MemWrite(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrWrite, pv, cbWrite);
|
---|
2829 | if (RT_FAILURE(rc))
|
---|
2830 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2831 |
|
---|
2832 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2833 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2834 | }
|
---|
2835 |
|
---|
2836 |
|
---|
2837 | /**
|
---|
2838 | * Processes a continue request.
|
---|
2839 | *
|
---|
2840 | * @returns VBox status code.
|
---|
2841 | * @param pThis The KD context.
|
---|
2842 | * @param pPktManip The manipulate packet request.
|
---|
2843 | */
|
---|
2844 | static int dbgcKdCtxPktManipulate64Continue(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2845 | {
|
---|
2846 | RT_NOREF(pPktManip);
|
---|
2847 | int rc = VINF_SUCCESS;
|
---|
2848 |
|
---|
2849 | /* No response, just resume. */
|
---|
2850 | if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
2851 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
2852 |
|
---|
2853 | return rc;
|
---|
2854 | }
|
---|
2855 |
|
---|
2856 |
|
---|
2857 | /**
|
---|
2858 | * Processes a continue request.
|
---|
2859 | *
|
---|
2860 | * @returns VBox status code.
|
---|
2861 | * @param pThis The KD context.
|
---|
2862 | * @param pPktManip The manipulate packet request.
|
---|
2863 | */
|
---|
2864 | static int dbgcKdCtxPktManipulate64Continue2(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2865 | {
|
---|
2866 | int rc = VINF_SUCCESS;
|
---|
2867 |
|
---|
2868 | /* Update DR7. */
|
---|
2869 | if (pThis->f32Bit)
|
---|
2870 | rc = dbgcKdCtxHwBpDr7Update(pThis, pPktManip->u.Continue2.u.x86.u32RegDr7);
|
---|
2871 | else
|
---|
2872 | rc = dbgcKdCtxHwBpDr7Update(pThis, (uint32_t)pPktManip->u.Continue2.u.amd64.u64RegDr7);
|
---|
2873 |
|
---|
2874 | /* Resume if not single stepping, the single step will get a state change when the VM stepped. */
|
---|
2875 | if (pPktManip->u.Continue2.fTrace)
|
---|
2876 | {
|
---|
2877 | PDBGFADDRESS pStackPop = NULL;
|
---|
2878 | RTGCPTR cbStackPop = 0;
|
---|
2879 | rc = DBGFR3StepEx(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGF_STEP_F_INTO, NULL,
|
---|
2880 | pStackPop, cbStackPop, 1 /*cMaxSteps*/);
|
---|
2881 | }
|
---|
2882 | else if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
2883 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
2884 |
|
---|
2885 | return rc;
|
---|
2886 | }
|
---|
2887 |
|
---|
2888 |
|
---|
2889 | /**
|
---|
2890 | * Processes a set context request.
|
---|
2891 | *
|
---|
2892 | * @returns VBox status code.
|
---|
2893 | * @param pThis The KD context.
|
---|
2894 | * @param pPktManip The manipulate packet request.
|
---|
2895 | */
|
---|
2896 | static int dbgcKdCtxPktManipulate64SetContext(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2897 | {
|
---|
2898 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2899 | KDPACKETMANIPULATE_SETCONTEXT SetContext;
|
---|
2900 | RT_ZERO(RespHdr); RT_ZERO(SetContext);
|
---|
2901 |
|
---|
2902 | PCNTCONTEXT64 pNtCtx = (PCNTCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
2903 |
|
---|
2904 | RTSGSEG aRespSegs[2];
|
---|
2905 | uint32_t cSegs = 2;
|
---|
2906 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2907 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2908 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2909 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2910 |
|
---|
2911 | /** @todo What do these flags mean? Can't be the context state to set because the valid one is
|
---|
2912 | * in NTCONTEXT64::fContext (observed with WinDbg). */
|
---|
2913 | SetContext.u32CtxFlags = pPktManip->u.SetContext.u32CtxFlags;
|
---|
2914 |
|
---|
2915 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2916 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2917 | aRespSegs[1].pvSeg = &SetContext;
|
---|
2918 | aRespSegs[1].cbSeg = sizeof(SetContext);
|
---|
2919 |
|
---|
2920 | int rc = dbgcKdCtxSetNtCtx64(pThis, pPktManip->Hdr.idCpu, pNtCtx, pNtCtx->fContext);
|
---|
2921 | if (RT_FAILURE(rc))
|
---|
2922 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2923 |
|
---|
2924 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2925 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2926 | }
|
---|
2927 |
|
---|
2928 |
|
---|
2929 | /**
|
---|
2930 | * Processes a read control space 64 request.
|
---|
2931 | *
|
---|
2932 | * @returns VBox status code.
|
---|
2933 | * @param pThis The KD context.
|
---|
2934 | * @param pPktManip The manipulate packet request.
|
---|
2935 | */
|
---|
2936 | static int dbgcKdCtxPktManipulate64ReadCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2937 | {
|
---|
2938 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2939 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
2940 | uint8_t abResp[sizeof(NTKCONTEXT64)];
|
---|
2941 | uint32_t cbData = 0;
|
---|
2942 | RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
|
---|
2943 | RT_ZERO(abResp);
|
---|
2944 |
|
---|
2945 | RTSGSEG aRespSegs[3];
|
---|
2946 | uint32_t cSegs = 2; /* Gets incremented when read is successful. */
|
---|
2947 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE;
|
---|
2948 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2949 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2950 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2951 |
|
---|
2952 | XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
|
---|
2953 | XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
|
---|
2954 |
|
---|
2955 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2956 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2957 | aRespSegs[1].pvSeg = &XferCtrlSpace64;
|
---|
2958 | aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
|
---|
2959 |
|
---|
2960 | int rc = VINF_SUCCESS;
|
---|
2961 | if (pThis->f32Bit)
|
---|
2962 | {
|
---|
2963 | if (pPktManip->u.XferCtrlSpace.u64IdXfer == sizeof(NTCONTEXT32))
|
---|
2964 | {
|
---|
2965 | /* Queries the kernel context. */
|
---|
2966 | rc = dbgcKdCtxQueryNtKCtx32(pThis, RespHdr.idCpu, (PNTKCONTEXT32)&abResp[0]);
|
---|
2967 | if (RT_SUCCESS(rc))
|
---|
2968 | cbData = sizeof(NTKCONTEXT32);
|
---|
2969 | }
|
---|
2970 | }
|
---|
2971 | else
|
---|
2972 | {
|
---|
2973 | switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
|
---|
2974 | {
|
---|
2975 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
|
---|
2976 | {
|
---|
2977 | if (pThis->pIfWinNt)
|
---|
2978 | {
|
---|
2979 | RTGCUINTPTR GCPtrKpcr = 0;
|
---|
2980 |
|
---|
2981 | rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, RespHdr.idCpu,
|
---|
2982 | &GCPtrKpcr, NULL /*pKpcrb*/);
|
---|
2983 | if (RT_SUCCESS(rc))
|
---|
2984 | memcpy(&abResp[0], &GCPtrKpcr, sizeof(GCPtrKpcr));
|
---|
2985 | }
|
---|
2986 |
|
---|
2987 | cbData = sizeof(RTGCUINTPTR);
|
---|
2988 | break;
|
---|
2989 | }
|
---|
2990 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
|
---|
2991 | {
|
---|
2992 | if (pThis->pIfWinNt)
|
---|
2993 | {
|
---|
2994 | RTGCUINTPTR GCPtrKpcrb = 0;
|
---|
2995 |
|
---|
2996 | rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, RespHdr.idCpu,
|
---|
2997 | NULL /*pKpcr*/, &GCPtrKpcrb);
|
---|
2998 | if (RT_SUCCESS(rc))
|
---|
2999 | memcpy(&abResp[0], &GCPtrKpcrb, sizeof(GCPtrKpcrb));
|
---|
3000 | }
|
---|
3001 |
|
---|
3002 | cbData = sizeof(RTGCUINTPTR);
|
---|
3003 | break;
|
---|
3004 | }
|
---|
3005 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
|
---|
3006 | {
|
---|
3007 | rc = dbgcKdCtxQueryNtKCtx64(pThis, RespHdr.idCpu, (PNTKCONTEXT64)&abResp[0], NTCONTEXT64_F_FULL);
|
---|
3008 | if (RT_SUCCESS(rc))
|
---|
3009 | cbData = sizeof(NTKCONTEXT64);
|
---|
3010 | break;
|
---|
3011 | }
|
---|
3012 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
|
---|
3013 | {
|
---|
3014 | if (pThis->pIfWinNt)
|
---|
3015 | {
|
---|
3016 | RTGCUINTPTR GCPtrCurThrd = 0;
|
---|
3017 |
|
---|
3018 | rc = pThis->pIfWinNt->pfnQueryCurThrdForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, RespHdr.idCpu,
|
---|
3019 | &GCPtrCurThrd);
|
---|
3020 | if (RT_SUCCESS(rc))
|
---|
3021 | memcpy(&abResp[0], &GCPtrCurThrd, sizeof(GCPtrCurThrd));
|
---|
3022 | }
|
---|
3023 |
|
---|
3024 | cbData = sizeof(RTGCUINTPTR);
|
---|
3025 | break;
|
---|
3026 | }
|
---|
3027 | default:
|
---|
3028 | rc = VERR_NOT_SUPPORTED;
|
---|
3029 | break;
|
---|
3030 | }
|
---|
3031 | }
|
---|
3032 |
|
---|
3033 | if ( RT_SUCCESS(rc)
|
---|
3034 | && cbData)
|
---|
3035 | {
|
---|
3036 | XferCtrlSpace64.cbXfered = RT_MIN(cbData, XferCtrlSpace64.cbXferReq);
|
---|
3037 |
|
---|
3038 | cSegs++;
|
---|
3039 | aRespSegs[2].pvSeg = &abResp[0];
|
---|
3040 | aRespSegs[2].cbSeg = cbData;
|
---|
3041 | }
|
---|
3042 | else if (RT_FAILURE(rc))
|
---|
3043 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
3044 |
|
---|
3045 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3046 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
3047 | }
|
---|
3048 |
|
---|
3049 |
|
---|
3050 | /**
|
---|
3051 | * Processes a write control space 64 request.
|
---|
3052 | *
|
---|
3053 | * @returns VBox status code.
|
---|
3054 | * @param pThis The KD context.
|
---|
3055 | * @param pPktManip The manipulate packet request.
|
---|
3056 | */
|
---|
3057 | static int dbgcKdCtxPktManipulate64WriteCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
3058 | {
|
---|
3059 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
3060 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
3061 | uint32_t cbData = 0;
|
---|
3062 | RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
|
---|
3063 |
|
---|
3064 | RTSGSEG aRespSegs[2];
|
---|
3065 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE;
|
---|
3066 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
3067 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
3068 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
3069 |
|
---|
3070 | XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
|
---|
3071 | XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
|
---|
3072 |
|
---|
3073 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
3074 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
3075 | aRespSegs[1].pvSeg = &XferCtrlSpace64;
|
---|
3076 | aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
|
---|
3077 |
|
---|
3078 | int rc = VINF_SUCCESS;
|
---|
3079 | switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
|
---|
3080 | {
|
---|
3081 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
|
---|
3082 | {
|
---|
3083 | PCNTKCONTEXT64 pNtKCtx = (PCNTKCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
3084 | rc = dbgcKdCtxSetNtKCtx64(pThis, RespHdr.idCpu, pNtKCtx, XferCtrlSpace64.cbXferReq);
|
---|
3085 | if (RT_SUCCESS(rc))
|
---|
3086 | cbData = RT_MIN(XferCtrlSpace64.cbXferReq, sizeof(NTKCONTEXT64));
|
---|
3087 | break;
|
---|
3088 | }
|
---|
3089 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
|
---|
3090 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
|
---|
3091 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
|
---|
3092 | default:
|
---|
3093 | rc = VERR_NOT_SUPPORTED;
|
---|
3094 | break;
|
---|
3095 | }
|
---|
3096 |
|
---|
3097 | if (RT_FAILURE(rc))
|
---|
3098 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
3099 | else
|
---|
3100 | XferCtrlSpace64.cbXfered = cbData;
|
---|
3101 |
|
---|
3102 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3103 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
3104 | }
|
---|
3105 |
|
---|
3106 |
|
---|
3107 | /**
|
---|
3108 | * Processes a restore breakpoint 64 request.
|
---|
3109 | *
|
---|
3110 | * @returns VBox status code.
|
---|
3111 | * @param pThis The KD context.
|
---|
3112 | * @param pPktManip The manipulate packet request.
|
---|
3113 | */
|
---|
3114 | static int dbgcKdCtxPktManipulate64RestoreBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
3115 | {
|
---|
3116 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
3117 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
|
---|
3118 | RT_ZERO(RespHdr); RT_ZERO(RestoreBkpt64);
|
---|
3119 |
|
---|
3120 | RTSGSEG aRespSegs[2];
|
---|
3121 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT;
|
---|
3122 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
3123 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
3124 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
3125 |
|
---|
3126 | RestoreBkpt64.u32HndBkpt = pPktManip->u.RestoreBkpt.u32HndBkpt;
|
---|
3127 |
|
---|
3128 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
3129 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
3130 | aRespSegs[1].pvSeg = &RestoreBkpt64;
|
---|
3131 | aRespSegs[1].cbSeg = sizeof(RestoreBkpt64);
|
---|
3132 |
|
---|
3133 | int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pPktManip->u.RestoreBkpt.u32HndBkpt);
|
---|
3134 | if (RT_SUCCESS(rc))
|
---|
3135 | {
|
---|
3136 | rc = dbgcBpDelete(&pThis->Dbgc, pPktManip->u.RestoreBkpt.u32HndBkpt);
|
---|
3137 | AssertRC(rc);
|
---|
3138 | }
|
---|
3139 | else if (rc != VERR_DBGF_BP_NOT_FOUND)
|
---|
3140 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
3141 |
|
---|
3142 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3143 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
3144 | }
|
---|
3145 |
|
---|
3146 |
|
---|
3147 | /**
|
---|
3148 | * Processes a write breakpoint 64 request.
|
---|
3149 | *
|
---|
3150 | * @returns VBox status code.
|
---|
3151 | * @param pThis The KD context.
|
---|
3152 | * @param pPktManip The manipulate packet request.
|
---|
3153 | */
|
---|
3154 | static int dbgcKdCtxPktManipulate64WriteBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
3155 | {
|
---|
3156 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
3157 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
|
---|
3158 | RT_ZERO(RespHdr); RT_ZERO(WriteBkpt64);
|
---|
3159 |
|
---|
3160 | RTSGSEG aRespSegs[2];
|
---|
3161 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_BKPT;
|
---|
3162 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
3163 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
3164 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
3165 |
|
---|
3166 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
3167 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
3168 | aRespSegs[1].pvSeg = &WriteBkpt64;
|
---|
3169 | aRespSegs[1].cbSeg = sizeof(WriteBkpt64);
|
---|
3170 |
|
---|
3171 | WriteBkpt64.u64PtrBkpt = pPktManip->u.WriteBkpt.u64PtrBkpt;
|
---|
3172 |
|
---|
3173 | DBGFADDRESS BpAddr;
|
---|
3174 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &BpAddr, KD_PTR_GET(pThis, pPktManip->u.WriteBkpt.u64PtrBkpt));
|
---|
3175 | int rc = DBGFR3BpSetInt3(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &BpAddr,
|
---|
3176 | 1 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/, &WriteBkpt64.u32HndBkpt);
|
---|
3177 | if (RT_SUCCESS(rc))
|
---|
3178 | {
|
---|
3179 | rc = dbgcBpAdd(&pThis->Dbgc, WriteBkpt64.u32HndBkpt, NULL /*pszCmd*/);
|
---|
3180 | if (RT_FAILURE(rc))
|
---|
3181 | DBGFR3BpClear(pThis->Dbgc.pUVM, WriteBkpt64.u32HndBkpt);
|
---|
3182 | }
|
---|
3183 | else
|
---|
3184 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
3185 |
|
---|
3186 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3187 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
3188 | }
|
---|
3189 |
|
---|
3190 |
|
---|
3191 | /**
|
---|
3192 | * Processes a get context extended 64 request.
|
---|
3193 | *
|
---|
3194 | * @returns VBox status code.
|
---|
3195 | * @param pThis The KD context.
|
---|
3196 | * @param pPktManip The manipulate packet request.
|
---|
3197 | */
|
---|
3198 | static int dbgcKdCtxPktManipulate64GetContextEx(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
3199 | {
|
---|
3200 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
3201 | KDPACKETMANIPULATE_CONTEXTEX ContextEx;
|
---|
3202 | union
|
---|
3203 | {
|
---|
3204 | NTCONTEXT64 v64;
|
---|
3205 | NTCONTEXT32 v32;
|
---|
3206 | } NtCtx;
|
---|
3207 | RT_ZERO(RespHdr); RT_ZERO(ContextEx); RT_ZERO(NtCtx);
|
---|
3208 |
|
---|
3209 | RTSGSEG aRespSegs[3];
|
---|
3210 | uint32_t cSegs = 2;
|
---|
3211 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX;
|
---|
3212 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
3213 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
3214 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
3215 |
|
---|
3216 | ContextEx.offStart = pPktManip->u.ContextEx.offStart;
|
---|
3217 | ContextEx.cbXfer = pPktManip->u.ContextEx.cbXfer;
|
---|
3218 | ContextEx.cbXfered = 0;
|
---|
3219 |
|
---|
3220 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
3221 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
3222 | aRespSegs[1].pvSeg = &ContextEx;
|
---|
3223 | aRespSegs[1].cbSeg = sizeof(ContextEx);
|
---|
3224 |
|
---|
3225 | int rc = VINF_SUCCESS;
|
---|
3226 | uint32_t cbCtx = pThis->f32Bit ? sizeof(NtCtx.v32) : sizeof(NtCtx.v64);
|
---|
3227 | if (pThis->f32Bit)
|
---|
3228 | dbgcKdCtxQueryNtCtx32(pThis, pPktManip->Hdr.idCpu, &NtCtx.v32, NTCONTEXT32_F_FULL);
|
---|
3229 | else
|
---|
3230 | dbgcKdCtxQueryNtCtx64(pThis, pPktManip->Hdr.idCpu, &NtCtx.v64, NTCONTEXT64_F_FULL);
|
---|
3231 | if ( RT_SUCCESS(rc)
|
---|
3232 | && pPktManip->u.ContextEx.offStart < cbCtx)
|
---|
3233 | {
|
---|
3234 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
3235 | ContextEx.cbXfered = RT_MIN(cbCtx - ContextEx.offStart, ContextEx.cbXfer);
|
---|
3236 |
|
---|
3237 | aRespSegs[2].pvSeg = (uint8_t *)&NtCtx + ContextEx.offStart;
|
---|
3238 | aRespSegs[2].cbSeg = ContextEx.cbXfered;
|
---|
3239 | cSegs++;
|
---|
3240 | }
|
---|
3241 |
|
---|
3242 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3243 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
3244 | }
|
---|
3245 |
|
---|
3246 |
|
---|
3247 | /**
|
---|
3248 | * Processes a query memory 64 request.
|
---|
3249 | *
|
---|
3250 | * @returns VBox status code.
|
---|
3251 | * @param pThis The KD context.
|
---|
3252 | * @param pPktManip The manipulate packet request.
|
---|
3253 | */
|
---|
3254 | static int dbgcKdCtxPktManipulate64QueryMemory(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
3255 | {
|
---|
3256 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
3257 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
3258 | RT_ZERO(RespHdr); RT_ZERO(QueryMemory);
|
---|
3259 |
|
---|
3260 | RTSGSEG aRespSegs[2];
|
---|
3261 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY;
|
---|
3262 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
3263 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
3264 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
3265 |
|
---|
3266 | /** @todo Need DBGF API to query protection and privilege level from guest page tables. */
|
---|
3267 | QueryMemory.u64GCPtr = pPktManip->u.QueryMemory.u64GCPtr;
|
---|
3268 | QueryMemory.u32AddrSpace = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL;
|
---|
3269 | QueryMemory.u32Flags = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ
|
---|
3270 | | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE
|
---|
3271 | | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC;
|
---|
3272 |
|
---|
3273 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
3274 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
3275 | aRespSegs[1].pvSeg = &QueryMemory;
|
---|
3276 | aRespSegs[1].cbSeg = sizeof(QueryMemory);
|
---|
3277 |
|
---|
3278 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3279 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
3280 | }
|
---|
3281 |
|
---|
3282 |
|
---|
3283 | /**
|
---|
3284 | * Processes a cause bugcheck 64 request.
|
---|
3285 | *
|
---|
3286 | * @returns VBox status code.
|
---|
3287 | * @param pThis The KD context.
|
---|
3288 | * @param pPktManip The manipulate packet request.
|
---|
3289 | *
|
---|
3290 | * @note We abuse this request to initiate a native VBox debugger command prompt from the remote end
|
---|
3291 | * (There is monitor/Rcmd equivalent like with GDB unfortunately).
|
---|
3292 | */
|
---|
3293 | static int dbgcKdCtxPktManipulate64CauseBugCheck(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
3294 | {
|
---|
3295 | RT_NOREF(pPktManip);
|
---|
3296 | pThis->fInVBoxDbg = true;
|
---|
3297 | return dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
|
---|
3298 | 512 /*cbResponseMax*/);
|
---|
3299 | }
|
---|
3300 |
|
---|
3301 |
|
---|
3302 | /**
|
---|
3303 | * Processes a manipulate packet.
|
---|
3304 | *
|
---|
3305 | * @returns VBox status code.
|
---|
3306 | * @param pThis The KD context.
|
---|
3307 | */
|
---|
3308 | static int dbgcKdCtxPktManipulate64Process(PKDCTX pThis)
|
---|
3309 | {
|
---|
3310 | int rc = VINF_SUCCESS;
|
---|
3311 | PCKDPACKETMANIPULATE64 pPktManip = (PCKDPACKETMANIPULATE64)&pThis->abBody[0];
|
---|
3312 |
|
---|
3313 | switch (pPktManip->Hdr.idReq)
|
---|
3314 | {
|
---|
3315 | case KD_PACKET_MANIPULATE_REQ_GET_VERSION:
|
---|
3316 | {
|
---|
3317 | rc = dbgcKdCtxPktManipulate64GetVersion(pThis, pPktManip);
|
---|
3318 | break;
|
---|
3319 | }
|
---|
3320 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
|
---|
3321 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
|
---|
3322 | {
|
---|
3323 | rc = dbgcKdCtxPktManipulate64ReadMem(pThis, pPktManip);
|
---|
3324 | break;
|
---|
3325 | }
|
---|
3326 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
|
---|
3327 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
|
---|
3328 | {
|
---|
3329 | rc = dbgcKdCtxPktManipulate64WriteMem(pThis, pPktManip);
|
---|
3330 | break;
|
---|
3331 | }
|
---|
3332 | case KD_PACKET_MANIPULATE_REQ_CONTINUE:
|
---|
3333 | {
|
---|
3334 | rc = dbgcKdCtxPktManipulate64Continue(pThis, pPktManip);
|
---|
3335 | break;
|
---|
3336 | }
|
---|
3337 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
|
---|
3338 | {
|
---|
3339 | rc = dbgcKdCtxPktManipulate64Continue2(pThis, pPktManip);
|
---|
3340 | break;
|
---|
3341 | }
|
---|
3342 | case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT:
|
---|
3343 | {
|
---|
3344 | rc = dbgcKdCtxPktManipulate64SetContext(pThis, pPktManip);
|
---|
3345 | break;
|
---|
3346 | }
|
---|
3347 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
|
---|
3348 | {
|
---|
3349 | rc = dbgcKdCtxPktManipulate64ReadCtrlSpace(pThis, pPktManip);
|
---|
3350 | break;
|
---|
3351 | }
|
---|
3352 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
|
---|
3353 | {
|
---|
3354 | rc = dbgcKdCtxPktManipulate64WriteCtrlSpace(pThis, pPktManip);
|
---|
3355 | break;
|
---|
3356 | }
|
---|
3357 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
|
---|
3358 | {
|
---|
3359 | rc = dbgcKdCtxPktManipulate64RestoreBkpt(pThis, pPktManip);
|
---|
3360 | break;
|
---|
3361 | }
|
---|
3362 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
|
---|
3363 | {
|
---|
3364 | rc = dbgcKdCtxPktManipulate64WriteBkpt(pThis, pPktManip);
|
---|
3365 | break;
|
---|
3366 | }
|
---|
3367 | case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT:
|
---|
3368 | /* WinDbg doesn't seem to expect an answer apart from the ACK here. */
|
---|
3369 | break;
|
---|
3370 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
|
---|
3371 | {
|
---|
3372 | rc = dbgcKdCtxPktManipulate64GetContextEx(pThis, pPktManip);
|
---|
3373 | break;
|
---|
3374 | }
|
---|
3375 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
|
---|
3376 | {
|
---|
3377 | rc = dbgcKdCtxPktManipulate64QueryMemory(pThis, pPktManip);
|
---|
3378 | break;
|
---|
3379 | }
|
---|
3380 | case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK:
|
---|
3381 | {
|
---|
3382 | rc = dbgcKdCtxPktManipulate64CauseBugCheck(pThis, pPktManip);
|
---|
3383 | break;
|
---|
3384 | }
|
---|
3385 | case KD_PACKET_MANIPULATE_REQ_REBOOT:
|
---|
3386 | {
|
---|
3387 | rc = VMR3Reset(pThis->Dbgc.pUVM); /* Doesn't expect an answer here. */
|
---|
3388 | break;
|
---|
3389 | }
|
---|
3390 | default:
|
---|
3391 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
3392 | RT_ZERO(RespHdr);
|
---|
3393 |
|
---|
3394 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
3395 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
3396 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
3397 | RespHdr.u32NtStatus = NTSTATUS_NOT_IMPLEMENTED;
|
---|
3398 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
3399 | &RespHdr, sizeof(RespHdr), true /*fAck*/);
|
---|
3400 | break;
|
---|
3401 | }
|
---|
3402 |
|
---|
3403 | return rc;
|
---|
3404 | }
|
---|
3405 |
|
---|
3406 |
|
---|
3407 | /**
|
---|
3408 | * Tries to detect the guest OS running in the VM looking specifically for the Windows NT kind.
|
---|
3409 | *
|
---|
3410 | * @returns Nothing.
|
---|
3411 | * @param pThis The KD context.
|
---|
3412 | */
|
---|
3413 | static void dbgcKdCtxDetectGstOs(PKDCTX pThis)
|
---|
3414 | {
|
---|
3415 | pThis->pIfWinNt = NULL;
|
---|
3416 |
|
---|
3417 | /* Try detecting a Windows NT guest. */
|
---|
3418 | char szName[64];
|
---|
3419 | int rc = DBGFR3OSDetect(pThis->Dbgc.pUVM, szName, sizeof(szName));
|
---|
3420 | if (RT_SUCCESS(rc))
|
---|
3421 | {
|
---|
3422 | pThis->pIfWinNt = (PDBGFOSIWINNT)DBGFR3OSQueryInterface(pThis->Dbgc.pUVM, DBGFOSINTERFACE_WINNT);
|
---|
3423 | if (pThis->pIfWinNt)
|
---|
3424 | LogRel(("DBGC/Kd: Detected Windows NT guest OS (%s)\n", &szName[0]));
|
---|
3425 | else
|
---|
3426 | LogRel(("DBGC/Kd: Detected guest OS is not of the Windows NT kind (%s)\n", &szName[0]));
|
---|
3427 | }
|
---|
3428 | else
|
---|
3429 | {
|
---|
3430 | LogRel(("DBGC/Kd: Unable to detect any guest operating system type, rc=%Rrc\n", rc));
|
---|
3431 | rc = VINF_SUCCESS; /* Try to continue nevertheless. */
|
---|
3432 | }
|
---|
3433 |
|
---|
3434 | if (pThis->pIfWinNt)
|
---|
3435 | {
|
---|
3436 | rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM,
|
---|
3437 | NULL /*puVersMajor*/, NULL /*puVersMinor*/,
|
---|
3438 | NULL /*puBuildNumber*/, &pThis->f32Bit);
|
---|
3439 | AssertRC(rc);
|
---|
3440 | }
|
---|
3441 | else
|
---|
3442 | {
|
---|
3443 | /*
|
---|
3444 | * Try to detect bitness based on the current CPU mode which might fool us (32bit process running
|
---|
3445 | * inside of 64bit host).
|
---|
3446 | */
|
---|
3447 | CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(&pThis->Dbgc.CmdHlp);
|
---|
3448 | if (enmMode == CPUMMODE_PROTECTED)
|
---|
3449 | pThis->f32Bit = true;
|
---|
3450 | else if (enmMode == CPUMMODE_LONG)
|
---|
3451 | pThis->f32Bit = false;
|
---|
3452 | else
|
---|
3453 | LogRel(("DBGC/Kd: Heh, trying to debug real mode code with WinDbg are we? Good luck with that...\n"));
|
---|
3454 | }
|
---|
3455 | }
|
---|
3456 |
|
---|
3457 |
|
---|
3458 | /**
|
---|
3459 | * Processes a fully received packet.
|
---|
3460 | *
|
---|
3461 | * @returns VBox status code.
|
---|
3462 | * @param pThis The KD context.
|
---|
3463 | */
|
---|
3464 | static int dbgcKdCtxPktProcess(PKDCTX pThis)
|
---|
3465 | {
|
---|
3466 | int rc = VINF_SUCCESS;
|
---|
3467 |
|
---|
3468 | pThis->fBreakinRecv = false;
|
---|
3469 |
|
---|
3470 | /* Verify checksum. */
|
---|
3471 | if (dbgcKdPktChkSumGen(&pThis->abBody[0], pThis->PktHdr.Fields.cbBody) == pThis->PktHdr.Fields.u32ChkSum)
|
---|
3472 | {
|
---|
3473 | /** @todo Check packet id. */
|
---|
3474 | if (pThis->PktHdr.Fields.u16SubType != KD_PACKET_HDR_SUB_TYPE_RESET)
|
---|
3475 | {
|
---|
3476 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
|
---|
3477 | rc = dbgcKdCtxPktSendAck(pThis);
|
---|
3478 | }
|
---|
3479 | if (RT_SUCCESS(rc))
|
---|
3480 | {
|
---|
3481 | #ifdef LOG_ENABLED
|
---|
3482 | RTSGSEG Seg;
|
---|
3483 | Seg.pvSeg = &pThis->abBody[0];
|
---|
3484 | Seg.cbSeg = pThis->PktHdr.Fields.cbBody;
|
---|
3485 | dbgcKdPktDump(&pThis->PktHdr.Fields, &Seg, 1 /*cSegs*/, true /*fRx*/);
|
---|
3486 | #endif
|
---|
3487 |
|
---|
3488 | switch (pThis->PktHdr.Fields.u16SubType)
|
---|
3489 | {
|
---|
3490 | case KD_PACKET_HDR_SUB_TYPE_RESET:
|
---|
3491 | {
|
---|
3492 | dbgcKdCtxDetectGstOs(pThis);
|
---|
3493 |
|
---|
3494 | pThis->idPktNext = 0;
|
---|
3495 | rc = dbgcKdCtxPktSendReset(pThis);
|
---|
3496 | if (RT_SUCCESS(rc))
|
---|
3497 | {
|
---|
3498 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3499 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
3500 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
3501 | }
|
---|
3502 | pThis->idPktNext = KD_PACKET_HDR_ID_RESET;
|
---|
3503 | break;
|
---|
3504 | }
|
---|
3505 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
|
---|
3506 | {
|
---|
3507 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
|
---|
3508 | rc = dbgcKdCtxPktManipulate64Process(pThis);
|
---|
3509 | break;
|
---|
3510 | }
|
---|
3511 | case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE:
|
---|
3512 | case KD_PACKET_HDR_SUB_TYPE_RESEND:
|
---|
3513 | {
|
---|
3514 | /* Don't do anything. */
|
---|
3515 | rc = VINF_SUCCESS;
|
---|
3516 | break;
|
---|
3517 | }
|
---|
3518 | case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO:
|
---|
3519 | {
|
---|
3520 | if (pThis->fInVBoxDbg)
|
---|
3521 | {
|
---|
3522 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
|
---|
3523 | /* Get the string and execute it. */
|
---|
3524 | PCKDPACKETDEBUGIO pPktDbgIo = (PCKDPACKETDEBUGIO)&pThis->abBody[0];
|
---|
3525 | if ( pPktDbgIo->u32Type == KD_PACKET_DEBUG_IO_GET_STRING
|
---|
3526 | && pPktDbgIo->u.Prompt.cbReturn <= sizeof(pThis->abBody) - sizeof(*pPktDbgIo) - 1)
|
---|
3527 | {
|
---|
3528 | if (pPktDbgIo->u.Prompt.cbReturn)
|
---|
3529 | {
|
---|
3530 | /* Terminate return value. */
|
---|
3531 | pThis->abBody[sizeof(*pPktDbgIo) + pPktDbgIo->u.Prompt.cbReturn] = '\0';
|
---|
3532 |
|
---|
3533 | const char *pszCmd = (const char *)&pThis->abBody[sizeof(*pPktDbgIo)];
|
---|
3534 | /* Filter out 'exit' which is handled here directly and exits the debug loop. */
|
---|
3535 | if (!strcmp(pszCmd, "exit"))
|
---|
3536 | pThis->fInVBoxDbg = false;
|
---|
3537 | else
|
---|
3538 | {
|
---|
3539 | rc = pThis->Dbgc.CmdHlp.pfnExec(&pThis->Dbgc.CmdHlp, pszCmd);
|
---|
3540 | if (RT_SUCCESS(rc))
|
---|
3541 | rc = dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
|
---|
3542 | 512 /*cbResponseMax*/);
|
---|
3543 | else
|
---|
3544 | LogRel(("DBGC/Kd: Executing command \"%s\" failed with rc=%Rrc\n", pszCmd, rc));
|
---|
3545 | }
|
---|
3546 | }
|
---|
3547 | else
|
---|
3548 | rc = dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
|
---|
3549 | 512 /*cbResponseMax*/);
|
---|
3550 | }
|
---|
3551 | else
|
---|
3552 | LogRel(("DBGC/Kd: Received invalid DEBUG_IO packet from remote end, ignoring\n"));
|
---|
3553 | }
|
---|
3554 | else
|
---|
3555 | LogRel(("DBGC/Kd: Received out of band DEBUG_IO packet from remote end, ignoring\n"));
|
---|
3556 | break;
|
---|
3557 | }
|
---|
3558 | default:
|
---|
3559 | rc = VERR_NOT_IMPLEMENTED;
|
---|
3560 | }
|
---|
3561 | }
|
---|
3562 | }
|
---|
3563 | else
|
---|
3564 | {
|
---|
3565 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
|
---|
3566 | rc = dbgcKdCtxPktSendResend(pThis);
|
---|
3567 | }
|
---|
3568 |
|
---|
3569 | if (pThis->fBreakinRecv)
|
---|
3570 | {
|
---|
3571 | pThis->fBreakinRecv = false;
|
---|
3572 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3573 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
3574 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
3575 | }
|
---|
3576 |
|
---|
3577 | /* Next packet. */
|
---|
3578 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3579 | return rc;
|
---|
3580 | }
|
---|
3581 |
|
---|
3582 |
|
---|
3583 | /**
|
---|
3584 | * Processes the received data based on the current state.
|
---|
3585 | *
|
---|
3586 | * @returns VBox status code.
|
---|
3587 | * @param pThis The KD context.
|
---|
3588 | */
|
---|
3589 | static int dbgcKdCtxRecvDataProcess(PKDCTX pThis)
|
---|
3590 | {
|
---|
3591 | int rc = VINF_SUCCESS;
|
---|
3592 |
|
---|
3593 | switch (pThis->enmState)
|
---|
3594 | {
|
---|
3595 | case KDRECVSTATE_PACKET_HDR_FIRST_BYTE:
|
---|
3596 | {
|
---|
3597 | /* Does it look like a valid packet start?. */
|
---|
3598 | if ( pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_DATA_BYTE
|
---|
3599 | || pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE)
|
---|
3600 | {
|
---|
3601 | pThis->pbRecv = &pThis->PktHdr.ab[1];
|
---|
3602 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
|
---|
3603 | pThis->enmState = KDRECVSTATE_PACKET_HDR_SECOND_BYTE;
|
---|
3604 | pThis->msRecvTimeout = DBGC_KD_RECV_TIMEOUT_MS;
|
---|
3605 | }
|
---|
3606 | else if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
3607 | {
|
---|
3608 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3609 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
3610 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
3611 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3612 | }
|
---|
3613 | /* else: Ignore and continue. */
|
---|
3614 | break;
|
---|
3615 | }
|
---|
3616 | case KDRECVSTATE_PACKET_HDR_SECOND_BYTE:
|
---|
3617 | {
|
---|
3618 | /*
|
---|
3619 | * If the first and second byte differ there might be a single breakin
|
---|
3620 | * packet byte received and this is actually the start of a new packet.
|
---|
3621 | */
|
---|
3622 | if (pThis->PktHdr.ab[0] != pThis->PktHdr.ab[1])
|
---|
3623 | {
|
---|
3624 | if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
3625 | {
|
---|
3626 | /* Halt the VM and rearrange the packet receiving state machine. */
|
---|
3627 | LogFlow(("DbgKd: Halting VM!\n"));
|
---|
3628 |
|
---|
3629 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3630 | pThis->PktHdr.ab[0] = pThis->PktHdr.ab[1]; /* Overwrite the first byte with the new start. */
|
---|
3631 | pThis->pbRecv = &pThis->PktHdr.ab[1];
|
---|
3632 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
|
---|
3633 | }
|
---|
3634 | else
|
---|
3635 | rc = VERR_NET_PROTOCOL_ERROR; /* Refuse talking to the remote end any further. */
|
---|
3636 | }
|
---|
3637 | else
|
---|
3638 | {
|
---|
3639 | /* Normal packet receive continues with the rest of the header. */
|
---|
3640 | pThis->pbRecv = &pThis->PktHdr.ab[2];
|
---|
3641 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.Fields) - 2;
|
---|
3642 | pThis->enmState = KDRECVSTATE_PACKET_HDR;
|
---|
3643 | }
|
---|
3644 | break;
|
---|
3645 | }
|
---|
3646 | case KDRECVSTATE_PACKET_HDR:
|
---|
3647 | {
|
---|
3648 | if ( dbgcKdPktHdrValidate(&pThis->PktHdr.Fields)
|
---|
3649 | && pThis->PktHdr.Fields.cbBody <= sizeof(pThis->abBody))
|
---|
3650 | {
|
---|
3651 | /* Start receiving the body. */
|
---|
3652 | if (pThis->PktHdr.Fields.cbBody)
|
---|
3653 | {
|
---|
3654 | pThis->pbRecv = &pThis->abBody[0];
|
---|
3655 | pThis->cbRecvLeft = pThis->PktHdr.Fields.cbBody;
|
---|
3656 | pThis->enmState = KDRECVSTATE_PACKET_BODY;
|
---|
3657 | }
|
---|
3658 | else /* No body means no trailer byte it looks like. */
|
---|
3659 | rc = dbgcKdCtxPktProcess(pThis);
|
---|
3660 | }
|
---|
3661 | else
|
---|
3662 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
3663 | break;
|
---|
3664 | }
|
---|
3665 | case KDRECVSTATE_PACKET_BODY:
|
---|
3666 | {
|
---|
3667 | pThis->enmState = KDRECVSTATE_PACKET_TRAILER;
|
---|
3668 | pThis->bTrailer = 0;
|
---|
3669 | pThis->pbRecv = &pThis->bTrailer;
|
---|
3670 | pThis->cbRecvLeft = sizeof(pThis->bTrailer);
|
---|
3671 | break;
|
---|
3672 | }
|
---|
3673 | case KDRECVSTATE_PACKET_TRAILER:
|
---|
3674 | {
|
---|
3675 | if (pThis->bTrailer == KD_PACKET_TRAILING_BYTE)
|
---|
3676 | rc = dbgcKdCtxPktProcess(pThis);
|
---|
3677 | else
|
---|
3678 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
3679 | break;
|
---|
3680 | }
|
---|
3681 | default:
|
---|
3682 | AssertMsgFailed(("Invalid receive state %d\n", pThis->enmState));
|
---|
3683 | }
|
---|
3684 |
|
---|
3685 | return rc;
|
---|
3686 | }
|
---|
3687 |
|
---|
3688 |
|
---|
3689 | /**
|
---|
3690 | * Receive data and processes complete packets.
|
---|
3691 | *
|
---|
3692 | * @returns Status code.
|
---|
3693 | * @param pThis The KD context.
|
---|
3694 | */
|
---|
3695 | static int dbgcKdCtxRecv(PKDCTX pThis)
|
---|
3696 | {
|
---|
3697 | int rc = VINF_SUCCESS;
|
---|
3698 |
|
---|
3699 | LogFlowFunc(("pThis=%p{.cbRecvLeft=%zu}\n", pThis, pThis->cbRecvLeft));
|
---|
3700 |
|
---|
3701 | if (pThis->cbRecvLeft)
|
---|
3702 | {
|
---|
3703 | size_t cbRead = 0;
|
---|
3704 | rc = pThis->Dbgc.pBack->pfnRead(pThis->Dbgc.pBack, pThis->pbRecv, pThis->cbRecvLeft, &cbRead);
|
---|
3705 | if (RT_SUCCESS(rc))
|
---|
3706 | {
|
---|
3707 | pThis->tsRecvLast = RTTimeMilliTS();
|
---|
3708 | pThis->cbRecvLeft -= cbRead;
|
---|
3709 | pThis->pbRecv += cbRead;
|
---|
3710 | if (!pThis->cbRecvLeft)
|
---|
3711 | rc = dbgcKdCtxRecvDataProcess(pThis);
|
---|
3712 | }
|
---|
3713 | }
|
---|
3714 |
|
---|
3715 | LogFlowFunc(("returns rc=%Rrc\n", rc));
|
---|
3716 | return rc;
|
---|
3717 | }
|
---|
3718 |
|
---|
3719 |
|
---|
3720 | /**
|
---|
3721 | * Processes debugger events.
|
---|
3722 | *
|
---|
3723 | * @returns VBox status code.
|
---|
3724 | * @param pThis The KD context data.
|
---|
3725 | * @param pEvent Pointer to event data.
|
---|
3726 | */
|
---|
3727 | static int dbgcKdCtxProcessEvent(PKDCTX pThis, PCDBGFEVENT pEvent)
|
---|
3728 | {
|
---|
3729 | /*
|
---|
3730 | * Process the event.
|
---|
3731 | */
|
---|
3732 | PDBGC pDbgc = &pThis->Dbgc;
|
---|
3733 | pThis->Dbgc.pszScratch = &pThis->Dbgc.achInput[0];
|
---|
3734 | pThis->Dbgc.iArg = 0;
|
---|
3735 | int rc = VINF_SUCCESS;
|
---|
3736 | VMCPUID idCpuOld = pDbgc->idCpu;
|
---|
3737 | pDbgc->idCpu = pEvent->idCpu;
|
---|
3738 | switch (pEvent->enmType)
|
---|
3739 | {
|
---|
3740 | /*
|
---|
3741 | * The first part is events we have initiated with commands.
|
---|
3742 | */
|
---|
3743 | case DBGFEVENT_HALT_DONE:
|
---|
3744 | {
|
---|
3745 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
3746 | break;
|
---|
3747 | }
|
---|
3748 |
|
---|
3749 | /*
|
---|
3750 | * The second part is events which can occur at any time.
|
---|
3751 | */
|
---|
3752 | case DBGFEVENT_FATAL_ERROR:
|
---|
3753 | {
|
---|
3754 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbf event: Fatal error! (%s)\n",
|
---|
3755 | dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3756 | if (RT_SUCCESS(rc))
|
---|
3757 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3758 | break;
|
---|
3759 | }
|
---|
3760 |
|
---|
3761 | case DBGFEVENT_BREAKPOINT:
|
---|
3762 | case DBGFEVENT_BREAKPOINT_IO:
|
---|
3763 | case DBGFEVENT_BREAKPOINT_MMIO:
|
---|
3764 | case DBGFEVENT_BREAKPOINT_HYPER:
|
---|
3765 | {
|
---|
3766 | rc = dbgcBpExec(pDbgc, pEvent->u.Bp.iBp);
|
---|
3767 | switch (rc)
|
---|
3768 | {
|
---|
3769 | case VERR_DBGC_BP_NOT_FOUND:
|
---|
3770 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Unknown breakpoint %u! (%s)\n",
|
---|
3771 | pEvent->u.Bp.iBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3772 | break;
|
---|
3773 |
|
---|
3774 | case VINF_DBGC_BP_NO_COMMAND:
|
---|
3775 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! (%s)\n",
|
---|
3776 | pEvent->u.Bp.iBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3777 | break;
|
---|
3778 |
|
---|
3779 | case VINF_BUFFER_OVERFLOW:
|
---|
3780 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! Command too long to execute! (%s)\n",
|
---|
3781 | pEvent->u.Bp.iBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3782 | break;
|
---|
3783 |
|
---|
3784 | default:
|
---|
3785 | break;
|
---|
3786 | }
|
---|
3787 | if (RT_SUCCESS(rc) && DBGFR3IsHalted(pDbgc->pUVM, VMCPUID_ALL))
|
---|
3788 | {
|
---|
3789 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3790 |
|
---|
3791 | /* Set the resume flag to ignore the breakpoint when resuming execution. */
|
---|
3792 | if ( RT_SUCCESS(rc)
|
---|
3793 | && pEvent->enmType == DBGFEVENT_BREAKPOINT)
|
---|
3794 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r eflags.rf = 1");
|
---|
3795 | }
|
---|
3796 |
|
---|
3797 | /* Figure out the breakpoint and set the triggered flag for emulation of DR6. */
|
---|
3798 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
3799 | {
|
---|
3800 | if (pThis->aHwBp[i].iDbgfBp == pEvent->u.Bp.iBp)
|
---|
3801 | {
|
---|
3802 | pThis->aHwBp[i].fTriggered = true;
|
---|
3803 | break;
|
---|
3804 | }
|
---|
3805 | }
|
---|
3806 |
|
---|
3807 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
3808 | break;
|
---|
3809 | }
|
---|
3810 |
|
---|
3811 | case DBGFEVENT_STEPPED:
|
---|
3812 | case DBGFEVENT_STEPPED_HYPER:
|
---|
3813 | {
|
---|
3814 | pThis->fSingleStepped = true; /* For emulation of DR6. */
|
---|
3815 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
3816 | break;
|
---|
3817 | }
|
---|
3818 |
|
---|
3819 | case DBGFEVENT_ASSERTION_HYPER:
|
---|
3820 | {
|
---|
3821 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
3822 | "\ndbgf event: Hypervisor Assertion! (%s)\n"
|
---|
3823 | "%s"
|
---|
3824 | "%s"
|
---|
3825 | "\n",
|
---|
3826 | dbgcGetEventCtx(pEvent->enmCtx),
|
---|
3827 | pEvent->u.Assert.pszMsg1,
|
---|
3828 | pEvent->u.Assert.pszMsg2);
|
---|
3829 | if (RT_SUCCESS(rc))
|
---|
3830 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3831 | break;
|
---|
3832 | }
|
---|
3833 |
|
---|
3834 | case DBGFEVENT_DEV_STOP:
|
---|
3835 | {
|
---|
3836 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
3837 | "\n"
|
---|
3838 | "dbgf event: DBGFSTOP (%s)\n"
|
---|
3839 | "File: %s\n"
|
---|
3840 | "Line: %d\n"
|
---|
3841 | "Function: %s\n",
|
---|
3842 | dbgcGetEventCtx(pEvent->enmCtx),
|
---|
3843 | pEvent->u.Src.pszFile,
|
---|
3844 | pEvent->u.Src.uLine,
|
---|
3845 | pEvent->u.Src.pszFunction);
|
---|
3846 | if (RT_SUCCESS(rc) && pEvent->u.Src.pszMessage && *pEvent->u.Src.pszMessage)
|
---|
3847 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
3848 | "Message: %s\n",
|
---|
3849 | pEvent->u.Src.pszMessage);
|
---|
3850 | if (RT_SUCCESS(rc))
|
---|
3851 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3852 | break;
|
---|
3853 | }
|
---|
3854 |
|
---|
3855 |
|
---|
3856 | case DBGFEVENT_INVALID_COMMAND:
|
---|
3857 | {
|
---|
3858 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Invalid command event!\n");
|
---|
3859 | break;
|
---|
3860 | }
|
---|
3861 |
|
---|
3862 | case DBGFEVENT_POWERING_OFF:
|
---|
3863 | {
|
---|
3864 | pThis->Dbgc.fReady = false;
|
---|
3865 | pThis->Dbgc.pBack->pfnSetReady(pThis->Dbgc.pBack, false);
|
---|
3866 | rc = VERR_GENERAL_FAILURE;
|
---|
3867 | break;
|
---|
3868 | }
|
---|
3869 |
|
---|
3870 | default:
|
---|
3871 | {
|
---|
3872 | /*
|
---|
3873 | * Probably a generic event. Look it up to find its name.
|
---|
3874 | */
|
---|
3875 | PCDBGCSXEVT pEvtDesc = dbgcEventLookup(pEvent->enmType);
|
---|
3876 | if (pEvtDesc)
|
---|
3877 | {
|
---|
3878 | if (pEvtDesc->enmKind == kDbgcSxEventKind_Interrupt)
|
---|
3879 | {
|
---|
3880 | Assert(pEvtDesc->pszDesc);
|
---|
3881 | Assert(pEvent->u.Generic.cArgs == 1);
|
---|
3882 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s no %#llx! (%s)\n",
|
---|
3883 | pEvtDesc->pszDesc, pEvent->u.Generic.auArgs[0], pEvtDesc->pszName);
|
---|
3884 | }
|
---|
3885 | else if (pEvtDesc->fFlags & DBGCSXEVT_F_BUGCHECK)
|
---|
3886 | {
|
---|
3887 | Assert(pEvent->u.Generic.cArgs >= 5);
|
---|
3888 | char szDetails[512];
|
---|
3889 | DBGFR3FormatBugCheck(pDbgc->pUVM, szDetails, sizeof(szDetails), pEvent->u.Generic.auArgs[0],
|
---|
3890 | pEvent->u.Generic.auArgs[1], pEvent->u.Generic.auArgs[2],
|
---|
3891 | pEvent->u.Generic.auArgs[3], pEvent->u.Generic.auArgs[4]);
|
---|
3892 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s %s%s!\n%s", pEvtDesc->pszName,
|
---|
3893 | pEvtDesc->pszDesc ? "- " : "", pEvtDesc->pszDesc ? pEvtDesc->pszDesc : "",
|
---|
3894 | szDetails);
|
---|
3895 | }
|
---|
3896 | else if ( (pEvtDesc->fFlags & DBGCSXEVT_F_TAKE_ARG)
|
---|
3897 | || pEvent->u.Generic.cArgs > 1
|
---|
3898 | || ( pEvent->u.Generic.cArgs == 1
|
---|
3899 | && pEvent->u.Generic.auArgs[0] != 0))
|
---|
3900 | {
|
---|
3901 | if (pEvtDesc->pszDesc)
|
---|
3902 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!",
|
---|
3903 | pEvtDesc->pszName, pEvtDesc->pszDesc);
|
---|
3904 | else
|
---|
3905 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!", pEvtDesc->pszName);
|
---|
3906 | if (pEvent->u.Generic.cArgs <= 1)
|
---|
3907 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " arg=%#llx\n", pEvent->u.Generic.auArgs[0]);
|
---|
3908 | else
|
---|
3909 | {
|
---|
3910 | for (uint32_t i = 0; i < pEvent->u.Generic.cArgs; i++)
|
---|
3911 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " args[%u]=%#llx", i, pEvent->u.Generic.auArgs[i]);
|
---|
3912 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\n");
|
---|
3913 | }
|
---|
3914 | }
|
---|
3915 | else
|
---|
3916 | {
|
---|
3917 | if (pEvtDesc->pszDesc)
|
---|
3918 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!\n",
|
---|
3919 | pEvtDesc->pszName, pEvtDesc->pszDesc);
|
---|
3920 | else
|
---|
3921 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!\n", pEvtDesc->pszName);
|
---|
3922 | }
|
---|
3923 | }
|
---|
3924 | else
|
---|
3925 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Unknown event %d!\n", pEvent->enmType);
|
---|
3926 | break;
|
---|
3927 | }
|
---|
3928 | }
|
---|
3929 |
|
---|
3930 | pDbgc->idCpu = idCpuOld;
|
---|
3931 | return rc;
|
---|
3932 | }
|
---|
3933 |
|
---|
3934 |
|
---|
3935 | /**
|
---|
3936 | * Handle a receive timeout.
|
---|
3937 | *
|
---|
3938 | * @returns VBox status code.
|
---|
3939 | * @param pThis Pointer to the KD context.
|
---|
3940 | */
|
---|
3941 | static int dbgcKdCtxRecvTimeout(PKDCTX pThis)
|
---|
3942 | {
|
---|
3943 | int rc = VINF_SUCCESS;
|
---|
3944 |
|
---|
3945 | LogFlowFunc(("pThis=%p\n", pThis));
|
---|
3946 |
|
---|
3947 | /*
|
---|
3948 | * If a single breakin packet byte was received but the header is otherwise incomplete
|
---|
3949 | * the VM is halted and a state change will be sent in the event processing loop.
|
---|
3950 | */
|
---|
3951 | if ( pThis->enmState == KDRECVSTATE_PACKET_HDR_SECOND_BYTE
|
---|
3952 | && pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
3953 | {
|
---|
3954 | LogFlow(("DbgKd: Halting VM!\n"));
|
---|
3955 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3956 | }
|
---|
3957 | else /* Send a reset packet (@todo Figure out the semantics in this case exactly). */
|
---|
3958 | rc = dbgcKdCtxPktSendReset(pThis);
|
---|
3959 |
|
---|
3960 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3961 |
|
---|
3962 | LogFlowFunc(("rc=%Rrc\n", rc));
|
---|
3963 | return rc;
|
---|
3964 | }
|
---|
3965 |
|
---|
3966 |
|
---|
3967 | /**
|
---|
3968 | * @copydoc DBGC::pfnOutput
|
---|
3969 | */
|
---|
3970 | static DECLCALLBACK(int) dbgcKdOutput(void *pvUser, const char *pachChars, size_t cbChars)
|
---|
3971 | {
|
---|
3972 | PKDCTX pThis = (PKDCTX)pvUser;
|
---|
3973 |
|
---|
3974 | return dbgcKdCtxDebugIoStrSend(pThis, pThis->Dbgc.idCpu, pachChars, cbChars);
|
---|
3975 | }
|
---|
3976 |
|
---|
3977 |
|
---|
3978 | /**
|
---|
3979 | * Run the debugger console.
|
---|
3980 | *
|
---|
3981 | * @returns VBox status code.
|
---|
3982 | * @param pThis Pointer to the KD context.
|
---|
3983 | */
|
---|
3984 | int dbgcKdRun(PKDCTX pThis)
|
---|
3985 | {
|
---|
3986 | /*
|
---|
3987 | * We're ready for commands now.
|
---|
3988 | */
|
---|
3989 | pThis->Dbgc.fReady = true;
|
---|
3990 | pThis->Dbgc.pBack->pfnSetReady(pThis->Dbgc.pBack, true);
|
---|
3991 |
|
---|
3992 | /*
|
---|
3993 | * Main Debugger Loop.
|
---|
3994 | *
|
---|
3995 | * This loop will either block on waiting for input or on waiting on
|
---|
3996 | * debug events. If we're forwarding the log we cannot wait for long
|
---|
3997 | * before we must flush the log.
|
---|
3998 | */
|
---|
3999 | int rc;
|
---|
4000 | for (;;)
|
---|
4001 | {
|
---|
4002 | rc = VERR_SEM_OUT_OF_TURN;
|
---|
4003 | if (pThis->Dbgc.pUVM)
|
---|
4004 | rc = DBGFR3QueryWaitable(pThis->Dbgc.pUVM);
|
---|
4005 |
|
---|
4006 | if (RT_SUCCESS(rc))
|
---|
4007 | {
|
---|
4008 | /*
|
---|
4009 | * Wait for a debug event.
|
---|
4010 | */
|
---|
4011 | DBGFEVENT Evt;
|
---|
4012 | rc = DBGFR3EventWait(pThis->Dbgc.pUVM, 32, &Evt);
|
---|
4013 | if (RT_SUCCESS(rc))
|
---|
4014 | {
|
---|
4015 | rc = dbgcKdCtxProcessEvent(pThis, &Evt);
|
---|
4016 | if (RT_FAILURE(rc))
|
---|
4017 | break;
|
---|
4018 | }
|
---|
4019 | else if (rc != VERR_TIMEOUT)
|
---|
4020 | break;
|
---|
4021 |
|
---|
4022 | /*
|
---|
4023 | * Check for input.
|
---|
4024 | */
|
---|
4025 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, 0))
|
---|
4026 | {
|
---|
4027 | rc = dbgcKdCtxRecv(pThis);
|
---|
4028 | if (RT_FAILURE(rc))
|
---|
4029 | break;
|
---|
4030 | }
|
---|
4031 | }
|
---|
4032 | else if (rc == VERR_SEM_OUT_OF_TURN)
|
---|
4033 | {
|
---|
4034 | /*
|
---|
4035 | * Wait for input.
|
---|
4036 | */
|
---|
4037 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, 1000))
|
---|
4038 | {
|
---|
4039 | rc = dbgcKdCtxRecv(pThis);
|
---|
4040 | if (RT_FAILURE(rc))
|
---|
4041 | break;
|
---|
4042 | }
|
---|
4043 | else if ( pThis->msRecvTimeout != RT_INDEFINITE_WAIT
|
---|
4044 | && (RTTimeMilliTS() - pThis->tsRecvLast >= pThis->msRecvTimeout))
|
---|
4045 | rc = dbgcKdCtxRecvTimeout(pThis);
|
---|
4046 | }
|
---|
4047 | else
|
---|
4048 | break;
|
---|
4049 | }
|
---|
4050 |
|
---|
4051 | return rc;
|
---|
4052 | }
|
---|
4053 |
|
---|
4054 |
|
---|
4055 | /**
|
---|
4056 | * Creates a KD context instance with the given backend.
|
---|
4057 | *
|
---|
4058 | * @returns VBox status code.
|
---|
4059 | * @param ppKdCtx Where to store the pointer to the KD stub context instance on success.
|
---|
4060 | * @param pBack The backend to use for I/O.
|
---|
4061 | * @param fFlags Flags controlling the behavior.
|
---|
4062 | */
|
---|
4063 | static int dbgcKdCtxCreate(PPKDCTX ppKdCtx, PDBGCBACK pBack, unsigned fFlags)
|
---|
4064 | {
|
---|
4065 | /*
|
---|
4066 | * Validate input.
|
---|
4067 | */
|
---|
4068 | AssertPtrReturn(pBack, VERR_INVALID_POINTER);
|
---|
4069 | AssertMsgReturn(!fFlags, ("%#x", fFlags), VERR_INVALID_PARAMETER);
|
---|
4070 |
|
---|
4071 | /*
|
---|
4072 | * Allocate and initialize.
|
---|
4073 | */
|
---|
4074 | PKDCTX pThis = (PKDCTX)RTMemAllocZ(sizeof(*pThis));
|
---|
4075 | if (!pThis)
|
---|
4076 | return VERR_NO_MEMORY;
|
---|
4077 |
|
---|
4078 | dbgcInitCmdHlp(&pThis->Dbgc);
|
---|
4079 | /*
|
---|
4080 | * This is compied from the native debug console (will be used for monitor commands)
|
---|
4081 | * in DBGCConsole.cpp. Try to keep both functions in sync.
|
---|
4082 | */
|
---|
4083 | pThis->Dbgc.pBack = pBack;
|
---|
4084 | pThis->Dbgc.pfnOutput = dbgcKdOutput;
|
---|
4085 | pThis->Dbgc.pvOutputUser = pThis;
|
---|
4086 | pThis->Dbgc.pVM = NULL;
|
---|
4087 | pThis->Dbgc.pUVM = NULL;
|
---|
4088 | pThis->Dbgc.idCpu = 0;
|
---|
4089 | pThis->Dbgc.hDbgAs = DBGF_AS_GLOBAL;
|
---|
4090 | pThis->Dbgc.pszEmulation = "CodeView/WinDbg";
|
---|
4091 | pThis->Dbgc.paEmulationCmds = &g_aCmdsCodeView[0];
|
---|
4092 | pThis->Dbgc.cEmulationCmds = g_cCmdsCodeView;
|
---|
4093 | pThis->Dbgc.paEmulationFuncs = &g_aFuncsCodeView[0];
|
---|
4094 | pThis->Dbgc.cEmulationFuncs = g_cFuncsCodeView;
|
---|
4095 | //pThis->Dbgc.fLog = false;
|
---|
4096 | pThis->Dbgc.fRegTerse = true;
|
---|
4097 | pThis->Dbgc.fStepTraceRegs = true;
|
---|
4098 | //pThis->Dbgc.cPagingHierarchyDumps = 0;
|
---|
4099 | //pThis->Dbgc.DisasmPos = {0};
|
---|
4100 | //pThis->Dbgc.SourcePos = {0};
|
---|
4101 | //pThis->Dbgc.DumpPos = {0};
|
---|
4102 | pThis->Dbgc.pLastPos = &pThis->Dbgc.DisasmPos;
|
---|
4103 | //pThis->Dbgc.cbDumpElement = 0;
|
---|
4104 | //pThis->Dbgc.cVars = 0;
|
---|
4105 | //pThis->Dbgc.paVars = NULL;
|
---|
4106 | //pThis->Dbgc.pPlugInHead = NULL;
|
---|
4107 | //pThis->Dbgc.pFirstBp = NULL;
|
---|
4108 | //pThis->Dbgc.abSearch = {0};
|
---|
4109 | //pThis->Dbgc.cbSearch = 0;
|
---|
4110 | pThis->Dbgc.cbSearchUnit = 1;
|
---|
4111 | pThis->Dbgc.cMaxSearchHits = 1;
|
---|
4112 | //pThis->Dbgc.SearchAddr = {0};
|
---|
4113 | //pThis->Dbgc.cbSearchRange = 0;
|
---|
4114 |
|
---|
4115 | //pThis->Dbgc.uInputZero = 0;
|
---|
4116 | //pThis->Dbgc.iRead = 0;
|
---|
4117 | //pThis->Dbgc.iWrite = 0;
|
---|
4118 | //pThis->Dbgc.cInputLines = 0;
|
---|
4119 | //pThis->Dbgc.fInputOverflow = false;
|
---|
4120 | pThis->Dbgc.fReady = true;
|
---|
4121 | pThis->Dbgc.pszScratch = &pThis->Dbgc.achScratch[0];
|
---|
4122 | //pThis->Dbgc.iArg = 0;
|
---|
4123 | //pThis->Dbgc.rcOutput = 0;
|
---|
4124 | //pThis->Dbgc.rcCmd = 0;
|
---|
4125 |
|
---|
4126 | //pThis->Dbgc.pszHistoryFile = NULL;
|
---|
4127 | //pThis->Dbgc.pszGlobalInitScript = NULL;
|
---|
4128 | //pThis->Dbgc.pszLocalInitScript = NULL;
|
---|
4129 |
|
---|
4130 | dbgcEvalInit();
|
---|
4131 |
|
---|
4132 | pThis->fBreakinRecv = false;
|
---|
4133 | pThis->fInVBoxDbg = false;
|
---|
4134 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
4135 | pThis->pIfWinNt = NULL;
|
---|
4136 | pThis->f32Bit = false;
|
---|
4137 | dbgcKdCtxPktRecvReset(pThis);
|
---|
4138 |
|
---|
4139 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
4140 | {
|
---|
4141 | PKDCTXHWBP pBp = &pThis->aHwBp[i];
|
---|
4142 | pBp->iDbgfBp = UINT32_MAX;
|
---|
4143 | }
|
---|
4144 |
|
---|
4145 | dbgcKdCtxHwBpReset(pThis);
|
---|
4146 |
|
---|
4147 | *ppKdCtx = pThis;
|
---|
4148 | return VINF_SUCCESS;
|
---|
4149 | }
|
---|
4150 |
|
---|
4151 |
|
---|
4152 | /**
|
---|
4153 | * Destroys the given KD context.
|
---|
4154 | *
|
---|
4155 | * @returns nothing.
|
---|
4156 | * @param pThis The KD context to destroy.
|
---|
4157 | */
|
---|
4158 | static void dbgcKdCtxDestroy(PKDCTX pThis)
|
---|
4159 | {
|
---|
4160 | AssertPtr(pThis);
|
---|
4161 |
|
---|
4162 | pThis->pIfWinNt = NULL;
|
---|
4163 |
|
---|
4164 | /* Detach from the VM. */
|
---|
4165 | if (pThis->Dbgc.pUVM)
|
---|
4166 | DBGFR3Detach(pThis->Dbgc.pUVM);
|
---|
4167 |
|
---|
4168 | /* Free config strings. */
|
---|
4169 | RTStrFree(pThis->Dbgc.pszGlobalInitScript);
|
---|
4170 | pThis->Dbgc.pszGlobalInitScript = NULL;
|
---|
4171 | RTStrFree(pThis->Dbgc.pszLocalInitScript);
|
---|
4172 | pThis->Dbgc.pszLocalInitScript = NULL;
|
---|
4173 | RTStrFree(pThis->Dbgc.pszHistoryFile);
|
---|
4174 | pThis->Dbgc.pszHistoryFile = NULL;
|
---|
4175 |
|
---|
4176 | /* Finally, free the instance memory. */
|
---|
4177 | RTMemFree(pThis);
|
---|
4178 | }
|
---|
4179 |
|
---|
4180 |
|
---|
4181 | DECLHIDDEN(int) dbgcKdStubCreate(PUVM pUVM, PDBGCBACK pBack, unsigned fFlags)
|
---|
4182 | {
|
---|
4183 | /*
|
---|
4184 | * Validate input.
|
---|
4185 | */
|
---|
4186 | AssertPtrNullReturn(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
4187 | PVM pVM = NULL;
|
---|
4188 | if (pUVM)
|
---|
4189 | {
|
---|
4190 | pVM = VMR3GetVM(pUVM);
|
---|
4191 | AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
4192 | }
|
---|
4193 |
|
---|
4194 | /*
|
---|
4195 | * Allocate and initialize instance data
|
---|
4196 | */
|
---|
4197 | PKDCTX pThis;
|
---|
4198 | int rc = dbgcKdCtxCreate(&pThis, pBack, fFlags);
|
---|
4199 | if (RT_FAILURE(rc))
|
---|
4200 | return rc;
|
---|
4201 | if (!HMR3IsEnabled(pUVM) && !NEMR3IsEnabled(pUVM))
|
---|
4202 | pThis->Dbgc.hDbgAs = DBGF_AS_RC_AND_GC_GLOBAL;
|
---|
4203 |
|
---|
4204 | /*
|
---|
4205 | * Attach to the specified VM.
|
---|
4206 | */
|
---|
4207 | if (RT_SUCCESS(rc) && pUVM)
|
---|
4208 | {
|
---|
4209 | rc = DBGFR3Attach(pUVM);
|
---|
4210 | if (RT_SUCCESS(rc))
|
---|
4211 | {
|
---|
4212 | pThis->Dbgc.pVM = pVM;
|
---|
4213 | pThis->Dbgc.pUVM = pUVM;
|
---|
4214 | pThis->Dbgc.idCpu = 0;
|
---|
4215 | }
|
---|
4216 | else
|
---|
4217 | rc = pThis->Dbgc.CmdHlp.pfnVBoxError(&pThis->Dbgc.CmdHlp, rc, "When trying to attach to VM %p\n", pThis->Dbgc.pVM);
|
---|
4218 | }
|
---|
4219 |
|
---|
4220 | /*
|
---|
4221 | * Load plugins.
|
---|
4222 | */
|
---|
4223 | if (RT_SUCCESS(rc))
|
---|
4224 | {
|
---|
4225 | if (pVM)
|
---|
4226 | DBGFR3PlugInLoadAll(pThis->Dbgc.pUVM);
|
---|
4227 | dbgcEventInit(&pThis->Dbgc);
|
---|
4228 |
|
---|
4229 | /*
|
---|
4230 | * Run the debugger main loop.
|
---|
4231 | */
|
---|
4232 | rc = dbgcKdRun(pThis);
|
---|
4233 | dbgcEventTerm(&pThis->Dbgc);
|
---|
4234 | }
|
---|
4235 |
|
---|
4236 | /*
|
---|
4237 | * Cleanup console debugger session.
|
---|
4238 | */
|
---|
4239 | dbgcKdCtxDestroy(pThis);
|
---|
4240 | return rc == VERR_DBGC_QUIT ? VINF_SUCCESS : rc;
|
---|
4241 | }
|
---|
4242 |
|
---|