1 | /* $Id: DBGCRemoteKd.cpp 86182 2020-09-20 10:24:38Z 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 | } u;
|
---|
659 | } KDPACKETDEBUGIO;
|
---|
660 | AssertCompileSize(KDPACKETDEBUGIO, 16);
|
---|
661 | /** Pointer to a Debug I/O payload. */
|
---|
662 | typedef KDPACKETDEBUGIO *PKDPACKETDEBUGIO;
|
---|
663 | /** Pointer to a const Debug I/O payload. */
|
---|
664 | typedef const KDPACKETDEBUGIO *PCKDPACKETDEBUGIO;
|
---|
665 |
|
---|
666 |
|
---|
667 | /** @name Debug I/O types.
|
---|
668 | * @{ */
|
---|
669 | /** Debug string output (usually DbgPrint() and friends). */
|
---|
670 | #define KD_PACKET_DEBUG_IO_STRING UINT32_C(0x00003230)
|
---|
671 | /** @} */
|
---|
672 |
|
---|
673 |
|
---|
674 | /**
|
---|
675 | * 64bit get version manipulate payload.
|
---|
676 | */
|
---|
677 | typedef struct KDPACKETMANIPULATE_GETVERSION64
|
---|
678 | {
|
---|
679 | /** Major version. */
|
---|
680 | uint16_t u16VersMaj;
|
---|
681 | /** Minor version. */
|
---|
682 | uint16_t u16VersMin;
|
---|
683 | /** Protocol version. */
|
---|
684 | uint8_t u8VersProtocol;
|
---|
685 | /** KD secondary version. */
|
---|
686 | uint8_t u8VersKdSecondary;
|
---|
687 | /** Flags. */
|
---|
688 | uint16_t fFlags;
|
---|
689 | /** Machine type. */
|
---|
690 | uint16_t u16MachineType;
|
---|
691 | /** Maximum packet type. */
|
---|
692 | uint8_t u8MaxPktType;
|
---|
693 | /** Maximum state change */
|
---|
694 | uint8_t u8MaxStateChange;
|
---|
695 | /** Maximum manipulate request ID. */
|
---|
696 | uint8_t u8MaxManipulate;
|
---|
697 | /** Some simulation flag. */
|
---|
698 | uint8_t u8Simulation;
|
---|
699 | /** Padding. */
|
---|
700 | uint16_t u16Padding;
|
---|
701 | /** Kernel base. */
|
---|
702 | uint64_t u64PtrKernBase;
|
---|
703 | /** Pointer of the loaded module list head. */
|
---|
704 | uint64_t u64PtrPsLoadedModuleList;
|
---|
705 | /** Pointer of the debugger data list. */
|
---|
706 | uint64_t u64PtrDebuggerDataList;
|
---|
707 | } KDPACKETMANIPULATE_GETVERSION64;
|
---|
708 | AssertCompileSize(KDPACKETMANIPULATE_GETVERSION64, 40);
|
---|
709 | /** Pointer to a 64bit get version manipulate payload. */
|
---|
710 | typedef KDPACKETMANIPULATE_GETVERSION64 *PKDPACKETMANIPULATE_GETVERSION64;
|
---|
711 | /** Pointer to a const 64bit get version manipulate payload. */
|
---|
712 | typedef const KDPACKETMANIPULATE_GETVERSION64 *PCKDPACKETMANIPULATE_GETVERSION64;
|
---|
713 |
|
---|
714 |
|
---|
715 | /** @name Get version flags.
|
---|
716 | * @{ */
|
---|
717 | /** Flag whether this is a multi processor kernel. */
|
---|
718 | #define KD_PACKET_MANIPULATE64_GET_VERSION_F_MP RT_BIT_32(0)
|
---|
719 | /** Flag whether the pointer is 64bit. */
|
---|
720 | #define KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64 RT_BIT_32(2)
|
---|
721 | /** @} */
|
---|
722 |
|
---|
723 |
|
---|
724 | /**
|
---|
725 | * 64bit memory transfer manipulate payload.
|
---|
726 | */
|
---|
727 | typedef struct KDPACKETMANIPULATE_XFERMEM64
|
---|
728 | {
|
---|
729 | /** Target base address. */
|
---|
730 | uint64_t u64PtrTarget;
|
---|
731 | /** Requested number of bytes to transfer*/
|
---|
732 | uint32_t cbXferReq;
|
---|
733 | /** Number of bytes actually transferred (response). */
|
---|
734 | uint32_t cbXfered;
|
---|
735 | /** Some padding?. */
|
---|
736 | uint64_t au64Pad[3];
|
---|
737 | } KDPACKETMANIPULATE_XFERMEM64;
|
---|
738 | AssertCompileSize(KDPACKETMANIPULATE_XFERMEM64, 40);
|
---|
739 | /** Pointer to a 64bit memory transfer manipulate payload. */
|
---|
740 | typedef KDPACKETMANIPULATE_XFERMEM64 *PKDPACKETMANIPULATE_XFERMEM64;
|
---|
741 | /** Pointer to a const 64bit memory transfer manipulate payload. */
|
---|
742 | typedef const KDPACKETMANIPULATE_XFERMEM64 *PCKDPACKETMANIPULATE_XFERMEM64;
|
---|
743 |
|
---|
744 |
|
---|
745 | /**
|
---|
746 | * 64bit control space transfer manipulate payload.
|
---|
747 | *
|
---|
748 | * @note Same layout as the memory transfer but the pointer has a different meaning so
|
---|
749 | * we moved it into a separate request structure.
|
---|
750 | */
|
---|
751 | typedef struct KDPACKETMANIPULATE_XFERCTRLSPACE64
|
---|
752 | {
|
---|
753 | /** Identifier of the item to transfer in the control space. */
|
---|
754 | uint64_t u64IdXfer;
|
---|
755 | /** Requested number of bytes to transfer*/
|
---|
756 | uint32_t cbXferReq;
|
---|
757 | /** Number of bytes actually transferred (response). */
|
---|
758 | uint32_t cbXfered;
|
---|
759 | /** Some padding?. */
|
---|
760 | uint64_t au64Pad[3];
|
---|
761 | } KDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
762 | AssertCompileSize(KDPACKETMANIPULATE_XFERCTRLSPACE64, 40);
|
---|
763 | /** Pointer to a 64bit memory transfer manipulate payload. */
|
---|
764 | typedef KDPACKETMANIPULATE_XFERCTRLSPACE64 *PKDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
765 | /** Pointer to a const 64bit memory transfer manipulate payload. */
|
---|
766 | typedef const KDPACKETMANIPULATE_XFERCTRLSPACE64 *PCKDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
767 |
|
---|
768 |
|
---|
769 | /** @name Known control space identifiers.
|
---|
770 | * @{ */
|
---|
771 | /** Read/Write KPCR address. */
|
---|
772 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR UINT64_C(0)
|
---|
773 | /** Read/Write KPCRB address. */
|
---|
774 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB UINT64_C(1)
|
---|
775 | /** Read/Write Kernel context. */
|
---|
776 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX UINT64_C(2)
|
---|
777 | /** Read/Write current kernel thread. */
|
---|
778 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD UINT64_C(3)
|
---|
779 | /** @} */
|
---|
780 |
|
---|
781 |
|
---|
782 | /**
|
---|
783 | * 64bit restore breakpoint manipulate payload.
|
---|
784 | */
|
---|
785 | typedef struct KDPACKETMANIPULATE_RESTOREBKPT64
|
---|
786 | {
|
---|
787 | /** The breakpoint handle to restore. */
|
---|
788 | uint32_t u32HndBkpt;
|
---|
789 | /** Blows up the request to the required size. */
|
---|
790 | uint8_t abPad[36];
|
---|
791 | } KDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
792 | AssertCompileSize(KDPACKETMANIPULATE_RESTOREBKPT64, 40);
|
---|
793 | /** Pointer to a 64bit restore breakpoint manipulate payload. */
|
---|
794 | typedef KDPACKETMANIPULATE_RESTOREBKPT64 *PKDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
795 | /** Pointer to a const 64bit restore breakpoint manipulate payload. */
|
---|
796 | typedef const KDPACKETMANIPULATE_RESTOREBKPT64 *PCKDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
797 |
|
---|
798 |
|
---|
799 | /**
|
---|
800 | * 64bit write breakpoint manipulate payload.
|
---|
801 | */
|
---|
802 | typedef struct KDPACKETMANIPULATE_WRITEBKPT64
|
---|
803 | {
|
---|
804 | /** Where to write the breakpoint. */
|
---|
805 | uint64_t u64PtrBkpt;
|
---|
806 | /** The breakpoint handle returned in the response. */
|
---|
807 | uint32_t u32HndBkpt;
|
---|
808 | /** Blows up the request to the required size. */
|
---|
809 | uint8_t abPad[28];
|
---|
810 | } KDPACKETMANIPULATE_WRITEBKPT64;
|
---|
811 | AssertCompileSize(KDPACKETMANIPULATE_WRITEBKPT64, 40);
|
---|
812 | /** Pointer to a 64bit write breakpoint manipulate payload. */
|
---|
813 | typedef KDPACKETMANIPULATE_WRITEBKPT64 *PKDPACKETMANIPULATE_WRITEBKPT64;
|
---|
814 | /** Pointer to a const 64bit write breakpoint manipulate payload. */
|
---|
815 | typedef const KDPACKETMANIPULATE_WRITEBKPT64 *PCKDPACKETMANIPULATE_WRITEBKPT64;
|
---|
816 |
|
---|
817 |
|
---|
818 | /**
|
---|
819 | * Context extended manipulate payload.
|
---|
820 | */
|
---|
821 | typedef struct KDPACKETMANIPULATE_CONTEXTEX
|
---|
822 | {
|
---|
823 | /** Where to start copying the context. */
|
---|
824 | uint32_t offStart;
|
---|
825 | /** Number of bytes to transfer. */
|
---|
826 | uint32_t cbXfer;
|
---|
827 | /** Number of bytes actually transfered. */
|
---|
828 | uint32_t cbXfered;
|
---|
829 | /** Blows up the request to the required size. */
|
---|
830 | uint8_t abPad[28];
|
---|
831 | } KDPACKETMANIPULATE_CONTEXTEX;
|
---|
832 | AssertCompileSize(KDPACKETMANIPULATE_CONTEXTEX, 40);
|
---|
833 | /** Pointer to a context extended manipulate payload. */
|
---|
834 | typedef KDPACKETMANIPULATE_CONTEXTEX *PKDPACKETMANIPULATE_CONTEXTEX;
|
---|
835 | /** Pointer to a const context extended manipulate payload. */
|
---|
836 | typedef const KDPACKETMANIPULATE_CONTEXTEX *PCKDPACKETMANIPULATE_CONTEXTEX;
|
---|
837 |
|
---|
838 |
|
---|
839 | /**
|
---|
840 | * Continue manipulate payload.
|
---|
841 | */
|
---|
842 | typedef struct KDPACKETMANIPULATE_CONTINUE
|
---|
843 | {
|
---|
844 | /** Continue (status?). */
|
---|
845 | uint32_t u32NtContSts;
|
---|
846 | /** Blows up the request to the required size. */
|
---|
847 | uint8_t abPad[36];
|
---|
848 | } KDPACKETMANIPULATE_CONTINUE;
|
---|
849 | AssertCompileSize(KDPACKETMANIPULATE_CONTINUE, 40);
|
---|
850 | /** Pointer to a continue manipulate payload. */
|
---|
851 | typedef KDPACKETMANIPULATE_CONTINUE *PKDPACKETMANIPULATE_CONTINUE;
|
---|
852 | /** Pointer to a const continue manipulate payload. */
|
---|
853 | typedef const KDPACKETMANIPULATE_CONTINUE *PCKDPACKETMANIPULATE_CONTINUE;
|
---|
854 |
|
---|
855 |
|
---|
856 | /**
|
---|
857 | * Continue 2 manipulate payload.
|
---|
858 | */
|
---|
859 | typedef struct KDPACKETMANIPULATE_CONTINUE2
|
---|
860 | {
|
---|
861 | /** Continue (status?). */
|
---|
862 | uint32_t u32NtContSts;
|
---|
863 | /** Trace flag. */
|
---|
864 | uint32_t fTrace;
|
---|
865 | /** Bitsize dependent data. */
|
---|
866 | union
|
---|
867 | {
|
---|
868 | /** 32bit. */
|
---|
869 | struct
|
---|
870 | {
|
---|
871 | /** DR7 value to continue with. */
|
---|
872 | uint32_t u32RegDr7;
|
---|
873 | /** @todo (?) */
|
---|
874 | uint32_t u32SymCurStart;
|
---|
875 | uint32_t u32SymCurEnd;
|
---|
876 | } x86;
|
---|
877 | /** 64bit. */
|
---|
878 | struct
|
---|
879 | {
|
---|
880 | /** DR7 value to continue with. */
|
---|
881 | uint64_t u64RegDr7;
|
---|
882 | /** @todo (?) */
|
---|
883 | uint64_t u64SymCurStart;
|
---|
884 | uint64_t u64SymCurEnd;
|
---|
885 | } amd64;
|
---|
886 | } u;
|
---|
887 | /** Blows up the request to the required size. */
|
---|
888 | uint8_t abPad[8];
|
---|
889 | } KDPACKETMANIPULATE_CONTINUE2;
|
---|
890 | AssertCompileSize(KDPACKETMANIPULATE_CONTINUE2, 40);
|
---|
891 | /** Pointer to a continue 2 manipulate payload. */
|
---|
892 | typedef KDPACKETMANIPULATE_CONTINUE2 *PKDPACKETMANIPULATE_CONTINUE2;
|
---|
893 | /** Pointer to a const continue 2 manipulate payload. */
|
---|
894 | typedef const KDPACKETMANIPULATE_CONTINUE2 *PCKDPACKETMANIPULATE_CONTINUE2;
|
---|
895 |
|
---|
896 |
|
---|
897 | /**
|
---|
898 | * Set context manipulate payload.
|
---|
899 | */
|
---|
900 | typedef struct KDPACKETMANIPULATE_SETCONTEXT
|
---|
901 | {
|
---|
902 | /** Continue (status?). */
|
---|
903 | uint32_t u32CtxFlags;
|
---|
904 | /** Blows up the request to the required size. */
|
---|
905 | uint8_t abPad[36];
|
---|
906 | } KDPACKETMANIPULATE_SETCONTEXT;
|
---|
907 | AssertCompileSize(KDPACKETMANIPULATE_SETCONTEXT, 40);
|
---|
908 | /** Pointer to a set context manipulate payload. */
|
---|
909 | typedef KDPACKETMANIPULATE_SETCONTEXT *PKDPACKETMANIPULATE_SETCONTEXT;
|
---|
910 | /** Pointer to a const set context manipulate payload. */
|
---|
911 | typedef const KDPACKETMANIPULATE_SETCONTEXT *PCKDPACKETMANIPULATE_SETCONTEXT;
|
---|
912 |
|
---|
913 |
|
---|
914 | /**
|
---|
915 | * Query memory properties payload.
|
---|
916 | */
|
---|
917 | typedef struct KDPACKETMANIPULATE_QUERYMEMORY
|
---|
918 | {
|
---|
919 | /** The address to query the properties for. */
|
---|
920 | uint64_t u64GCPtr;
|
---|
921 | /** Reserved. */
|
---|
922 | uint64_t u64Rsvd;
|
---|
923 | /** Address space type on return. */
|
---|
924 | uint32_t u32AddrSpace;
|
---|
925 | /** Protection flags. */
|
---|
926 | uint32_t u32Flags;
|
---|
927 | /** Blows up the request to the required size. */
|
---|
928 | uint8_t abPad[16];
|
---|
929 | } KDPACKETMANIPULATE_QUERYMEMORY;
|
---|
930 | AssertCompileSize(KDPACKETMANIPULATE_QUERYMEMORY, 40);
|
---|
931 | /** Pointer to a query memory properties payload. */
|
---|
932 | typedef KDPACKETMANIPULATE_QUERYMEMORY *PKDPACKETMANIPULATE_QUERYMEMORY;
|
---|
933 | /** Pointer to a const query memory properties payload. */
|
---|
934 | typedef const KDPACKETMANIPULATE_QUERYMEMORY *PCKDPACKETMANIPULATE_QUERYMEMORY;
|
---|
935 |
|
---|
936 |
|
---|
937 | /** @name Query memory address space identifiers.
|
---|
938 | * @{ */
|
---|
939 | /** Process memory space. */
|
---|
940 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_PROCESS UINT32_C(0)
|
---|
941 | /** Session memory space. */
|
---|
942 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_SESSION UINT32_C(1)
|
---|
943 | /** Kernel memory space. */
|
---|
944 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL UINT32_C(2)
|
---|
945 | /** @} */
|
---|
946 |
|
---|
947 |
|
---|
948 | /** @name Query memory address protection flags.
|
---|
949 | * @{ */
|
---|
950 | /** Readable. */
|
---|
951 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ RT_BIT_32(0)
|
---|
952 | /** Writable. */
|
---|
953 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE RT_BIT_32(1)
|
---|
954 | /** Executable. */
|
---|
955 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC RT_BIT_32(2)
|
---|
956 | /** Fixed address. */
|
---|
957 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_FIXED RT_BIT_32(3)
|
---|
958 | /** @} */
|
---|
959 |
|
---|
960 |
|
---|
961 | /**
|
---|
962 | * Manipulate request packet header (Same for 32bit and 64bit).
|
---|
963 | */
|
---|
964 | typedef struct KDPACKETMANIPULATEHDR
|
---|
965 | {
|
---|
966 | /** The request to execute. */
|
---|
967 | uint32_t idReq;
|
---|
968 | /** The processor level to execute the request on. */
|
---|
969 | uint16_t u16CpuLvl;
|
---|
970 | /** The processor ID to execute the request on. */
|
---|
971 | uint16_t idCpu;
|
---|
972 | /** Return status code. */
|
---|
973 | uint32_t u32NtStatus;
|
---|
974 | /** Alignment. */
|
---|
975 | uint32_t u32Alignment;
|
---|
976 | } KDPACKETMANIPULATEHDR;
|
---|
977 | AssertCompileSize(KDPACKETMANIPULATEHDR, 3 * 4 + 2 * 2);
|
---|
978 | /** Pointer to a manipulate request packet header. */
|
---|
979 | typedef KDPACKETMANIPULATEHDR *PKDPACKETMANIPULATEHDR;
|
---|
980 | /** Pointer to a const manipulate request packet header. */
|
---|
981 | typedef const KDPACKETMANIPULATEHDR *PCPKDPACKETMANIPULATEHDR;
|
---|
982 |
|
---|
983 |
|
---|
984 | /**
|
---|
985 | * 64bit manipulate state request packet.
|
---|
986 | */
|
---|
987 | typedef struct KDPACKETMANIPULATE64
|
---|
988 | {
|
---|
989 | /** Header. */
|
---|
990 | KDPACKETMANIPULATEHDR Hdr;
|
---|
991 | /** Request payloads. */
|
---|
992 | union
|
---|
993 | {
|
---|
994 | /** Get Version. */
|
---|
995 | KDPACKETMANIPULATE_GETVERSION64 GetVersion;
|
---|
996 | /** Read/Write memory. */
|
---|
997 | KDPACKETMANIPULATE_XFERMEM64 XferMem;
|
---|
998 | /** Continue. */
|
---|
999 | KDPACKETMANIPULATE_CONTINUE Continue;
|
---|
1000 | /** Continue2. */
|
---|
1001 | KDPACKETMANIPULATE_CONTINUE2 Continue2;
|
---|
1002 | /** Set context. */
|
---|
1003 | KDPACKETMANIPULATE_SETCONTEXT SetContext;
|
---|
1004 | /** Read/Write control space. */
|
---|
1005 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace;
|
---|
1006 | /** Restore breakpoint. */
|
---|
1007 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt;
|
---|
1008 | /** Write breakpoint. */
|
---|
1009 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt;
|
---|
1010 | /** Context extended. */
|
---|
1011 | KDPACKETMANIPULATE_CONTEXTEX ContextEx;
|
---|
1012 | /** Query memory. */
|
---|
1013 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
1014 | } u;
|
---|
1015 | } KDPACKETMANIPULATE64;
|
---|
1016 | AssertCompileSize(KDPACKETMANIPULATE64, 16 + 40);
|
---|
1017 | /** Pointer to a 64bit manipulate state request packet. */
|
---|
1018 | typedef KDPACKETMANIPULATE64 *PKDPACKETMANIPULATE64;
|
---|
1019 | /** Pointer to a const 64bit manipulate state request packet. */
|
---|
1020 | typedef const KDPACKETMANIPULATE64 *PCKDPACKETMANIPULATE64;
|
---|
1021 |
|
---|
1022 | /** @name Manipulate requests.
|
---|
1023 | * @{ */
|
---|
1024 | /** Minimum available request. */
|
---|
1025 | #define KD_PACKET_MANIPULATE_REQ_MIN UINT32_C(0x00003130)
|
---|
1026 | /** Read virtual memory request. */
|
---|
1027 | #define KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM KD_PACKET_MANIPULATE_REQ_MIN
|
---|
1028 | /** Write virtual memory request. */
|
---|
1029 | #define KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM UINT32_C(0x00003131)
|
---|
1030 | /** Get context request. */
|
---|
1031 | #define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT UINT32_C(0x00003132)
|
---|
1032 | /** Set context request. */
|
---|
1033 | #define KD_PACKET_MANIPULATE_REQ_SET_CONTEXT UINT32_C(0x00003133)
|
---|
1034 | /** Write breakpoint request. */
|
---|
1035 | #define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT UINT32_C(0x00003134)
|
---|
1036 | /** Restore breakpoint request. */
|
---|
1037 | #define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT UINT32_C(0x00003135)
|
---|
1038 | /** Continue request. */
|
---|
1039 | #define KD_PACKET_MANIPULATE_REQ_CONTINUE UINT32_C(0x00003136)
|
---|
1040 | /** Read control space request. */
|
---|
1041 | #define KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE UINT32_C(0x00003137)
|
---|
1042 | /** Write control space request. */
|
---|
1043 | #define KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE UINT32_C(0x00003138)
|
---|
1044 | /** Read I/O space request. */
|
---|
1045 | #define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE UINT32_C(0x00003139)
|
---|
1046 | /** Write I/O space request. */
|
---|
1047 | #define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE UINT32_C(0x0000313a)
|
---|
1048 | /** Reboot request. */
|
---|
1049 | #define KD_PACKET_MANIPULATE_REQ_REBOOT UINT32_C(0x0000313b)
|
---|
1050 | /** continue 2nd version request. */
|
---|
1051 | #define KD_PACKET_MANIPULATE_REQ_CONTINUE2 UINT32_C(0x0000313c)
|
---|
1052 | /** Read physical memory request. */
|
---|
1053 | #define KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM UINT32_C(0x0000313d)
|
---|
1054 | /** Write physical memory request. */
|
---|
1055 | #define KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM UINT32_C(0x0000313e)
|
---|
1056 | /** Query special calls request. */
|
---|
1057 | #define KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS UINT32_C(0x0000313f)
|
---|
1058 | /** Set special calls request. */
|
---|
1059 | #define KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS UINT32_C(0x00003140)
|
---|
1060 | /** Clear special calls request. */
|
---|
1061 | #define KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS UINT32_C(0x00003141)
|
---|
1062 | /** Set internal breakpoint request. */
|
---|
1063 | #define KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT UINT32_C(0x00003142)
|
---|
1064 | /** Get internal breakpoint request. */
|
---|
1065 | #define KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT UINT32_C(0x00003143)
|
---|
1066 | /** Read I/O space extended request. */
|
---|
1067 | #define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX UINT32_C(0x00003144)
|
---|
1068 | /** Write I/O space extended request. */
|
---|
1069 | #define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX UINT32_C(0x00003145)
|
---|
1070 | /** Get version request. */
|
---|
1071 | #define KD_PACKET_MANIPULATE_REQ_GET_VERSION UINT32_C(0x00003146)
|
---|
1072 | /** @todo */
|
---|
1073 | /** Clear all internal breakpoints request. */
|
---|
1074 | #define KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT UINT32_C(0x0000315a)
|
---|
1075 | /** Fill memory. */
|
---|
1076 | #define KD_PACKET_MANIPULATE_REQ_FILL_MEMORY UINT32_C(0x0000315b)
|
---|
1077 | /** Query memory properties. */
|
---|
1078 | #define KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY UINT32_C(0x0000315c)
|
---|
1079 | /** @todo */
|
---|
1080 | /** Get context extended request. */
|
---|
1081 | #define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX UINT32_C(0x0000315f)
|
---|
1082 | /** @todo */
|
---|
1083 | /** Maximum available request (exclusive). */
|
---|
1084 | #define KD_PACKET_MANIPULATE_REQ_MAX UINT32_C(0x00003161)
|
---|
1085 | /** @} */
|
---|
1086 |
|
---|
1087 | /**
|
---|
1088 | * KD stub receive state.
|
---|
1089 | */
|
---|
1090 | typedef enum KDRECVSTATE
|
---|
1091 | {
|
---|
1092 | /** Invalid state. */
|
---|
1093 | KDRECVSTATE_INVALID = 0,
|
---|
1094 | /** Receiving the first byte of the packet header. */
|
---|
1095 | KDRECVSTATE_PACKET_HDR_FIRST_BYTE,
|
---|
1096 | /** Receiving the second byte of the packet header. */
|
---|
1097 | KDRECVSTATE_PACKET_HDR_SECOND_BYTE,
|
---|
1098 | /** Receiving the header. */
|
---|
1099 | KDRECVSTATE_PACKET_HDR,
|
---|
1100 | /** Receiving the packet body. */
|
---|
1101 | KDRECVSTATE_PACKET_BODY,
|
---|
1102 | /** Receiving the trailing byte. */
|
---|
1103 | KDRECVSTATE_PACKET_TRAILER,
|
---|
1104 | /** Blow up the enum to 32bits for easier alignment of members in structs. */
|
---|
1105 | KDRECVSTATE_32BIT_HACK = 0x7fffffff
|
---|
1106 | } KDRECVSTATE;
|
---|
1107 |
|
---|
1108 |
|
---|
1109 | /**
|
---|
1110 | * KD context data.
|
---|
1111 | */
|
---|
1112 | typedef struct KDCTX
|
---|
1113 | {
|
---|
1114 | /** Internal debugger console data. */
|
---|
1115 | DBGC Dbgc;
|
---|
1116 | /** Number of bytes received left for the current state. */
|
---|
1117 | size_t cbRecvLeft;
|
---|
1118 | /** Pointer where to write the next received data. */
|
---|
1119 | uint8_t *pbRecv;
|
---|
1120 | /** The current state when receiving a new packet. */
|
---|
1121 | KDRECVSTATE enmState;
|
---|
1122 | /** The timeout waiting for new data. */
|
---|
1123 | RTMSINTERVAL msRecvTimeout;
|
---|
1124 | /** Timestamp when we last received data from the remote end. */
|
---|
1125 | uint64_t tsRecvLast;
|
---|
1126 | /** Packet header being received. */
|
---|
1127 | union
|
---|
1128 | {
|
---|
1129 | KDPACKETHDR Fields;
|
---|
1130 | uint8_t ab[16];
|
---|
1131 | } PktHdr;
|
---|
1132 | /** The next packet ID to send. */
|
---|
1133 | uint32_t idPktNext;
|
---|
1134 | /** Offset into the body receive buffer. */
|
---|
1135 | size_t offBodyRecv;
|
---|
1136 | /** Body data. */
|
---|
1137 | uint8_t abBody[_4K];
|
---|
1138 | /** The trailer byte storage. */
|
---|
1139 | uint8_t bTrailer;
|
---|
1140 | /** Flag whether a breakin packet was received since the last time it was reset. */
|
---|
1141 | bool fBreakinRecv;
|
---|
1142 |
|
---|
1143 | /** Pointer to the OS digger WinNt interface if a matching guest was detected. */
|
---|
1144 | PDBGFOSIWINNT pIfWinNt;
|
---|
1145 | /** Flag whether the detected guest is 32bit (false if 64bit). */
|
---|
1146 | bool f32Bit;
|
---|
1147 | } KDCTX;
|
---|
1148 | /** Pointer to the KD context data. */
|
---|
1149 | typedef KDCTX *PKDCTX;
|
---|
1150 | /** Pointer to const KD context data. */
|
---|
1151 | typedef const KDCTX *PCKDCTX;
|
---|
1152 | /** Pointer to a KD context data pointer. */
|
---|
1153 | typedef PKDCTX *PPKDCTX;
|
---|
1154 |
|
---|
1155 |
|
---|
1156 | /** Creates a possibly sign extended guest context pointer which is required for 32bit targets. */
|
---|
1157 | #define KD_PTR_CREATE(a_pThis, a_GCPtr) ((a_pThis)->f32Bit && ((a_GCPtr) & RT_BIT_32(31)) ? (a_GCPtr) | UINT64_C(0xffffffff00000000) : (a_GCPtr))
|
---|
1158 | /** Returns the value of a possibly sign extended guest context pointer received for 32bit targets. */
|
---|
1159 | #define KD_PTR_GET(a_pThis, a_GCPtr) ((a_pThis)->f32Bit ? (a_GCPtr) & ~UINT64_C(0xffffffff00000000) : (a_GCPtr))
|
---|
1160 |
|
---|
1161 |
|
---|
1162 | /*********************************************************************************************************************************
|
---|
1163 | * Internal Functions *
|
---|
1164 | *********************************************************************************************************************************/
|
---|
1165 |
|
---|
1166 |
|
---|
1167 | #ifdef LOG_ENABLED
|
---|
1168 | /**
|
---|
1169 | * Returns a human readable string of the given packet sub type.
|
---|
1170 | *
|
---|
1171 | * @returns Pointer to sub type string.
|
---|
1172 | * @param u16SubType The sub type to convert to a string.
|
---|
1173 | */
|
---|
1174 | static const char *dbgcKdPktDumpSubTypeToStr(uint16_t u16SubType)
|
---|
1175 | {
|
---|
1176 | switch (u16SubType)
|
---|
1177 | {
|
---|
1178 | case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32: return "StateChange32";
|
---|
1179 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE: return "Manipulate";
|
---|
1180 | case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO: return "DebugIo";
|
---|
1181 | case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE: return "Ack";
|
---|
1182 | case KD_PACKET_HDR_SUB_TYPE_RESEND: return "Resend";
|
---|
1183 | case KD_PACKET_HDR_SUB_TYPE_RESET: return "Reset";
|
---|
1184 | case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64: return "StateChange64";
|
---|
1185 | case KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN: return "PollBreakin";
|
---|
1186 | case KD_PACKET_HDR_SUB_TYPE_TRACE_IO: return "TraceIo";
|
---|
1187 | case KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST: return "ControlRequest";
|
---|
1188 | case KD_PACKET_HDR_SUB_TYPE_FILE_IO: return "FileIo";
|
---|
1189 | default: break;
|
---|
1190 | }
|
---|
1191 |
|
---|
1192 | return "<UNKNOWN>";
|
---|
1193 | }
|
---|
1194 |
|
---|
1195 |
|
---|
1196 | /**
|
---|
1197 | * Returns a human readable string of the given manipulate request ID.
|
---|
1198 | *
|
---|
1199 | * @returns nothing.
|
---|
1200 | * @param idReq Request ID (API number in KD speak).
|
---|
1201 | */
|
---|
1202 | static const char *dbgcKdPktDumpManipulateReqToStr(uint32_t idReq)
|
---|
1203 | {
|
---|
1204 | switch (idReq)
|
---|
1205 | {
|
---|
1206 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM: return "ReadVirtMem";
|
---|
1207 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM: return "WriteVirtMem";
|
---|
1208 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT: return "GetContext";
|
---|
1209 | case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT: return "SetContext";
|
---|
1210 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT: return "WriteBkpt";
|
---|
1211 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT: return "RestoreBkpt";
|
---|
1212 | case KD_PACKET_MANIPULATE_REQ_CONTINUE: return "Continue";
|
---|
1213 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE: return "ReadCtrlSpace";
|
---|
1214 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE: return "WriteCtrlSpace";
|
---|
1215 | case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE: return "ReadIoSpace";
|
---|
1216 | case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE: return "WriteIoSpace";
|
---|
1217 | case KD_PACKET_MANIPULATE_REQ_REBOOT: return "Reboot";
|
---|
1218 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2: return "Continue2";
|
---|
1219 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM: return "ReadPhysMem";
|
---|
1220 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM: return "WritePhysMem";
|
---|
1221 | case KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS: return "QuerySpecCalls";
|
---|
1222 | case KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS: return "SetSpecCalls";
|
---|
1223 | case KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS: return "ClrSpecCalls";
|
---|
1224 | case KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT: return "SetIntBkpt";
|
---|
1225 | case KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT: return "GetIntBkpt";
|
---|
1226 | case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX: return "ReadIoSpaceEx";
|
---|
1227 | case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX: return "WriteIoSpaceEx";
|
---|
1228 | case KD_PACKET_MANIPULATE_REQ_GET_VERSION: return "GetVersion";
|
---|
1229 | case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT: return "ClrAllIntBkpt";
|
---|
1230 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX: return "GetContextEx";
|
---|
1231 | default: break;
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | return "<UNKNOWN>";
|
---|
1235 | }
|
---|
1236 |
|
---|
1237 |
|
---|
1238 | /**
|
---|
1239 | * Dumps the content of a manipulate packet.
|
---|
1240 | *
|
---|
1241 | * @returns nothing.
|
---|
1242 | * @param pSgBuf S/G buffer containing the manipulate packet payload.
|
---|
1243 | */
|
---|
1244 | static void dbgcKdPktDumpManipulate(PRTSGBUF pSgBuf)
|
---|
1245 | {
|
---|
1246 | KDPACKETMANIPULATEHDR Hdr;
|
---|
1247 | size_t cbCopied = RTSgBufCopyToBuf(pSgBuf, &Hdr, sizeof(Hdr));
|
---|
1248 |
|
---|
1249 | if (cbCopied == sizeof(Hdr))
|
---|
1250 | {
|
---|
1251 | const char *pszReq = dbgcKdPktDumpManipulateReqToStr(Hdr.idReq);
|
---|
1252 |
|
---|
1253 | Log3((" MANIPULATE(%#x (%s), %#x, %u, %#x)\n",
|
---|
1254 | Hdr.idReq, pszReq, Hdr.u16CpuLvl, Hdr.idCpu, Hdr.u32NtStatus));
|
---|
1255 |
|
---|
1256 | switch (Hdr.idReq)
|
---|
1257 | {
|
---|
1258 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
|
---|
1259 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
|
---|
1260 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
|
---|
1261 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
|
---|
1262 | {
|
---|
1263 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
1264 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferMem64, sizeof(XferMem64));
|
---|
1265 | if (cbCopied == sizeof(XferMem64))
|
---|
1266 | {
|
---|
1267 | Log3((" u64PtrTarget: %RX64\n"
|
---|
1268 | " cbXferReq: %RX32\n"
|
---|
1269 | " cbXfered: %RX32\n",
|
---|
1270 | XferMem64.u64PtrTarget, XferMem64.cbXferReq, XferMem64.cbXfered));
|
---|
1271 | }
|
---|
1272 | else
|
---|
1273 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferMem64), cbCopied));
|
---|
1274 | break;
|
---|
1275 | }
|
---|
1276 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
|
---|
1277 | {
|
---|
1278 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
|
---|
1279 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &RestoreBkpt64, sizeof(RestoreBkpt64));
|
---|
1280 | if (cbCopied == sizeof(RestoreBkpt64))
|
---|
1281 | Log3((" u32HndBkpt: %RX32\n", RestoreBkpt64.u32HndBkpt));
|
---|
1282 | else
|
---|
1283 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(RestoreBkpt64), cbCopied));
|
---|
1284 | break;
|
---|
1285 | }
|
---|
1286 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
|
---|
1287 | {
|
---|
1288 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
|
---|
1289 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &WriteBkpt64, sizeof(WriteBkpt64));
|
---|
1290 | if (cbCopied == sizeof(WriteBkpt64))
|
---|
1291 | Log3((" u64PtrBkpt: %RX64\n"
|
---|
1292 | " u32HndBkpt: %RX32\n",
|
---|
1293 | WriteBkpt64.u64PtrBkpt, WriteBkpt64.u32HndBkpt));
|
---|
1294 | else
|
---|
1295 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(WriteBkpt64), cbCopied));
|
---|
1296 | break;
|
---|
1297 | }
|
---|
1298 | case KD_PACKET_MANIPULATE_REQ_CONTINUE:
|
---|
1299 | {
|
---|
1300 | KDPACKETMANIPULATE_CONTINUE Continue;
|
---|
1301 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
|
---|
1302 | if (cbCopied == sizeof(Continue))
|
---|
1303 | Log3((" u32NtContSts: %RX32\n", Continue.u32NtContSts));
|
---|
1304 | else
|
---|
1305 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
|
---|
1306 | break;
|
---|
1307 | }
|
---|
1308 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
|
---|
1309 | {
|
---|
1310 | KDPACKETMANIPULATE_CONTINUE2 Continue;
|
---|
1311 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
|
---|
1312 | if (cbCopied == sizeof(Continue))
|
---|
1313 | Log3((" u32NtContSts: %RX32\n"
|
---|
1314 | " fTrace: %RX32\n",
|
---|
1315 | Continue.u32NtContSts, Continue.fTrace));
|
---|
1316 | else
|
---|
1317 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
|
---|
1318 | break;
|
---|
1319 | }
|
---|
1320 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
|
---|
1321 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
|
---|
1322 | {
|
---|
1323 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
1324 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferCtrlSpace64, sizeof(XferCtrlSpace64));
|
---|
1325 | if (cbCopied == sizeof(XferCtrlSpace64))
|
---|
1326 | {
|
---|
1327 | Log3((" u64IdXfer: %RX64\n"
|
---|
1328 | " cbXferReq: %RX32\n"
|
---|
1329 | " cbXfered: %RX32\n",
|
---|
1330 | XferCtrlSpace64.u64IdXfer, XferCtrlSpace64.cbXferReq, XferCtrlSpace64.cbXfered));
|
---|
1331 | }
|
---|
1332 | else
|
---|
1333 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferCtrlSpace64), cbCopied));
|
---|
1334 | break;
|
---|
1335 | }
|
---|
1336 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
|
---|
1337 | {
|
---|
1338 | KDPACKETMANIPULATE_CONTEXTEX GetContextEx;
|
---|
1339 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &GetContextEx, sizeof(GetContextEx));
|
---|
1340 | if (cbCopied == sizeof(GetContextEx))
|
---|
1341 | {
|
---|
1342 | Log3((" offStart: %RX32\n"
|
---|
1343 | " cbXferReq: %RX32\n"
|
---|
1344 | " cbXfered: %RX32\n",
|
---|
1345 | GetContextEx.offStart, GetContextEx.cbXfer, GetContextEx.cbXfered));
|
---|
1346 | }
|
---|
1347 | else
|
---|
1348 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(GetContextEx), cbCopied));
|
---|
1349 | break;
|
---|
1350 | }
|
---|
1351 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
|
---|
1352 | {
|
---|
1353 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
1354 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &QueryMemory, sizeof(QueryMemory));
|
---|
1355 | if (cbCopied == sizeof(QueryMemory))
|
---|
1356 | {
|
---|
1357 | Log3((" u64GCPtr: %RX64\n"
|
---|
1358 | " u32AddrSpace: %RX32\n"
|
---|
1359 | " u32Flags: %RX32\n",
|
---|
1360 | QueryMemory.u64GCPtr, QueryMemory.u32AddrSpace, QueryMemory.u32Flags));
|
---|
1361 | }
|
---|
1362 | else
|
---|
1363 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(QueryMemory), cbCopied));
|
---|
1364 | break;
|
---|
1365 | }
|
---|
1366 | default:
|
---|
1367 | break;
|
---|
1368 | }
|
---|
1369 | }
|
---|
1370 | else
|
---|
1371 | Log3((" MANIPULATE(Header too small, expected %u, got %zu)\n", sizeof(Hdr), cbCopied));
|
---|
1372 | }
|
---|
1373 |
|
---|
1374 |
|
---|
1375 | /**
|
---|
1376 | * Dumps the received packet to the debug log.
|
---|
1377 | *
|
---|
1378 | * @returns VBox status code.
|
---|
1379 | * @param pPktHdr The packet header to dump.
|
---|
1380 | * @param fRx Flag whether the packet was received (false indicates an outgoing packet).
|
---|
1381 | */
|
---|
1382 | static void dbgcKdPktDump(PCKDPACKETHDR pPktHdr, PCRTSGSEG paSegs, uint32_t cSegs, bool fRx)
|
---|
1383 | {
|
---|
1384 | RTSGBUF SgBuf;
|
---|
1385 |
|
---|
1386 | RTSgBufInit(&SgBuf, paSegs, cSegs);
|
---|
1387 |
|
---|
1388 | Log3(("%s KDPKTHDR(%#x, %#x (%s), %u, %#x, %#x)\n",
|
---|
1389 | fRx ? "=>" : "<=",
|
---|
1390 | pPktHdr->u32Signature, pPktHdr->u16SubType, dbgcKdPktDumpSubTypeToStr(pPktHdr->u16SubType),
|
---|
1391 | pPktHdr->cbBody, pPktHdr->idPacket, pPktHdr->u32ChkSum));
|
---|
1392 | switch (pPktHdr->u16SubType)
|
---|
1393 | {
|
---|
1394 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
|
---|
1395 | dbgcKdPktDumpManipulate(&SgBuf);
|
---|
1396 | break;
|
---|
1397 | default:
|
---|
1398 | break;
|
---|
1399 | }
|
---|
1400 | }
|
---|
1401 | #endif
|
---|
1402 |
|
---|
1403 |
|
---|
1404 | /**
|
---|
1405 | * Wrapper for the I/O interface write callback.
|
---|
1406 | *
|
---|
1407 | * @returns Status code.
|
---|
1408 | * @param pThis The KD context.
|
---|
1409 | * @param pvPkt The packet data to send.
|
---|
1410 | * @param cbPkt Size of the packet in bytes.
|
---|
1411 | */
|
---|
1412 | DECLINLINE(int) dbgcKdCtxWrite(PKDCTX pThis, const void *pvPkt, size_t cbPkt)
|
---|
1413 | {
|
---|
1414 | return pThis->Dbgc.pBack->pfnWrite(pThis->Dbgc.pBack, pvPkt, cbPkt, NULL /*pcbWritten*/);
|
---|
1415 | }
|
---|
1416 |
|
---|
1417 |
|
---|
1418 | /**
|
---|
1419 | * Fills in the given 64bit NT context structure with the requested values.
|
---|
1420 | *
|
---|
1421 | * @returns VBox status code.
|
---|
1422 | * @param pThis The KD context.
|
---|
1423 | * @param idCpu The CPU to query the context for.
|
---|
1424 | * @param pNtCtx The NT context structure to fill in.
|
---|
1425 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
1426 | */
|
---|
1427 | static int dbgcKdCtxQueryNtCtx64(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
|
---|
1428 | {
|
---|
1429 | RT_BZERO(pNtCtx, sizeof(*pNtCtx));
|
---|
1430 |
|
---|
1431 | pNtCtx->fContext = NTCONTEXT_F_AMD64;
|
---|
1432 | int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pNtCtx->u32RegMxCsr);
|
---|
1433 |
|
---|
1434 | if ( RT_SUCCESS(rc)
|
---|
1435 | && fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
1436 | {
|
---|
1437 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_CS, &pNtCtx->u16SegCs);
|
---|
1438 | if (RT_SUCCESS(rc))
|
---|
1439 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_SS, &pNtCtx->u16SegSs);
|
---|
1440 | if (RT_SUCCESS(rc))
|
---|
1441 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RIP, &pNtCtx->u64RegRip);
|
---|
1442 | if (RT_SUCCESS(rc))
|
---|
1443 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RSP, &pNtCtx->u64RegRsp);
|
---|
1444 | if (RT_SUCCESS(rc))
|
---|
1445 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RBP, &pNtCtx->u64RegRbp);
|
---|
1446 | if (RT_SUCCESS(rc))
|
---|
1447 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EFLAGS, &pNtCtx->u32RegEflags);
|
---|
1448 | if (RT_SUCCESS(rc))
|
---|
1449 | pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
|
---|
1450 | }
|
---|
1451 |
|
---|
1452 | if ( RT_SUCCESS(rc)
|
---|
1453 | && fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
1454 | {
|
---|
1455 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RAX, &pNtCtx->u64RegRax);
|
---|
1456 | if (RT_SUCCESS(rc))
|
---|
1457 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RCX, &pNtCtx->u64RegRcx);
|
---|
1458 | if (RT_SUCCESS(rc))
|
---|
1459 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RDX, &pNtCtx->u64RegRdx);
|
---|
1460 | if (RT_SUCCESS(rc))
|
---|
1461 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RBX, &pNtCtx->u64RegRbx);
|
---|
1462 | if (RT_SUCCESS(rc))
|
---|
1463 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RSI, &pNtCtx->u64RegRsi);
|
---|
1464 | if (RT_SUCCESS(rc))
|
---|
1465 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_RDI, &pNtCtx->u64RegRdi);
|
---|
1466 | if (RT_SUCCESS(rc))
|
---|
1467 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R8, &pNtCtx->u64RegR8);
|
---|
1468 | if (RT_SUCCESS(rc))
|
---|
1469 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R9, &pNtCtx->u64RegR9);
|
---|
1470 | if (RT_SUCCESS(rc))
|
---|
1471 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R10, &pNtCtx->u64RegR10);
|
---|
1472 | if (RT_SUCCESS(rc))
|
---|
1473 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R11, &pNtCtx->u64RegR11);
|
---|
1474 | if (RT_SUCCESS(rc))
|
---|
1475 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R12, &pNtCtx->u64RegR12);
|
---|
1476 | if (RT_SUCCESS(rc))
|
---|
1477 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R13, &pNtCtx->u64RegR13);
|
---|
1478 | if (RT_SUCCESS(rc))
|
---|
1479 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R14, &pNtCtx->u64RegR14);
|
---|
1480 | if (RT_SUCCESS(rc))
|
---|
1481 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_R15, &pNtCtx->u64RegR15);
|
---|
1482 | if (RT_SUCCESS(rc))
|
---|
1483 | pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
|
---|
1484 | }
|
---|
1485 |
|
---|
1486 | if ( RT_SUCCESS(rc)
|
---|
1487 | && fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
1488 | {
|
---|
1489 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_DS, &pNtCtx->u16SegDs);
|
---|
1490 | if (RT_SUCCESS(rc))
|
---|
1491 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_ES, &pNtCtx->u16SegEs);
|
---|
1492 | if (RT_SUCCESS(rc))
|
---|
1493 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_FS, &pNtCtx->u16SegFs);
|
---|
1494 | if (RT_SUCCESS(rc))
|
---|
1495 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GS, &pNtCtx->u16SegGs);
|
---|
1496 | if (RT_SUCCESS(rc))
|
---|
1497 | pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
|
---|
1498 | }
|
---|
1499 |
|
---|
1500 | if ( RT_SUCCESS(rc)
|
---|
1501 | && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
1502 | {
|
---|
1503 | /** @todo. */
|
---|
1504 | }
|
---|
1505 |
|
---|
1506 | if ( RT_SUCCESS(rc)
|
---|
1507 | && fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
1508 | {
|
---|
1509 | /** @todo. */
|
---|
1510 | }
|
---|
1511 |
|
---|
1512 | return rc;
|
---|
1513 | }
|
---|
1514 |
|
---|
1515 |
|
---|
1516 | /**
|
---|
1517 | * Fills in the given 32bit NT context structure with the requested values.
|
---|
1518 | *
|
---|
1519 | * @returns VBox status code.
|
---|
1520 | * @param pThis The KD context.
|
---|
1521 | * @param idCpu The CPU to query the context for.
|
---|
1522 | * @param pNtCtx The NT context structure to fill in.
|
---|
1523 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
1524 | */
|
---|
1525 | static int dbgcKdCtxQueryNtCtx32(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT32 pNtCtx, uint32_t fCtxFlags)
|
---|
1526 | {
|
---|
1527 | RT_BZERO(pNtCtx, sizeof(*pNtCtx));
|
---|
1528 |
|
---|
1529 | pNtCtx->fContext = NTCONTEXT_F_X86;
|
---|
1530 |
|
---|
1531 | int rc = VINF_SUCCESS;
|
---|
1532 | if (fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
1533 | {
|
---|
1534 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CS, &pNtCtx->u32SegCs);
|
---|
1535 | if (RT_SUCCESS(rc))
|
---|
1536 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_SS, &pNtCtx->u32SegSs);
|
---|
1537 | if (RT_SUCCESS(rc))
|
---|
1538 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EIP, &pNtCtx->u32RegEip);
|
---|
1539 | if (RT_SUCCESS(rc))
|
---|
1540 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ESP, &pNtCtx->u32RegEsp);
|
---|
1541 | if (RT_SUCCESS(rc))
|
---|
1542 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EBP, &pNtCtx->u32RegEbp);
|
---|
1543 | if (RT_SUCCESS(rc))
|
---|
1544 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EFLAGS, &pNtCtx->u32RegEflags);
|
---|
1545 | if (RT_SUCCESS(rc))
|
---|
1546 | pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
|
---|
1547 | }
|
---|
1548 |
|
---|
1549 | if ( RT_SUCCESS(rc)
|
---|
1550 | && fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
1551 | {
|
---|
1552 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EAX, &pNtCtx->u32RegEax);
|
---|
1553 | if (RT_SUCCESS(rc))
|
---|
1554 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ECX, &pNtCtx->u32RegEcx);
|
---|
1555 | if (RT_SUCCESS(rc))
|
---|
1556 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EDX, &pNtCtx->u32RegEdx);
|
---|
1557 | if (RT_SUCCESS(rc))
|
---|
1558 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EBX, &pNtCtx->u32RegEbx);
|
---|
1559 | if (RT_SUCCESS(rc))
|
---|
1560 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ESI, &pNtCtx->u32RegEsi);
|
---|
1561 | if (RT_SUCCESS(rc))
|
---|
1562 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_EDI, &pNtCtx->u32RegEdi);
|
---|
1563 | if (RT_SUCCESS(rc))
|
---|
1564 | pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
|
---|
1565 | }
|
---|
1566 |
|
---|
1567 | if ( RT_SUCCESS(rc)
|
---|
1568 | && fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
1569 | {
|
---|
1570 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DS, &pNtCtx->u32SegDs);
|
---|
1571 | if (RT_SUCCESS(rc))
|
---|
1572 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_ES, &pNtCtx->u32SegEs);
|
---|
1573 | if (RT_SUCCESS(rc))
|
---|
1574 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_FS, &pNtCtx->u32SegFs);
|
---|
1575 | if (RT_SUCCESS(rc))
|
---|
1576 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_GS, &pNtCtx->u32SegGs);
|
---|
1577 | if (RT_SUCCESS(rc))
|
---|
1578 | pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
|
---|
1579 | }
|
---|
1580 |
|
---|
1581 | if ( RT_SUCCESS(rc)
|
---|
1582 | && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
1583 | {
|
---|
1584 | /** @todo. */
|
---|
1585 | }
|
---|
1586 |
|
---|
1587 | if ( RT_SUCCESS(rc)
|
---|
1588 | && fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
1589 | {
|
---|
1590 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR0, &pNtCtx->u32RegDr0);
|
---|
1591 | if (RT_SUCCESS(rc))
|
---|
1592 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR1, &pNtCtx->u32RegDr1);
|
---|
1593 | if (RT_SUCCESS(rc))
|
---|
1594 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR3, &pNtCtx->u32RegDr3);
|
---|
1595 | if (RT_SUCCESS(rc))
|
---|
1596 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR6, &pNtCtx->u32RegDr6);
|
---|
1597 | if (RT_SUCCESS(rc))
|
---|
1598 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR7, &pNtCtx->u32RegDr7);
|
---|
1599 | if (RT_SUCCESS(rc))
|
---|
1600 | pNtCtx->fContext |= NTCONTEXT_F_DEBUG;
|
---|
1601 | }
|
---|
1602 |
|
---|
1603 | return rc;
|
---|
1604 | }
|
---|
1605 |
|
---|
1606 |
|
---|
1607 | #define KD_REG_INIT(a_pszName, a_enmType, a_ValMember, a_Val) \
|
---|
1608 | do \
|
---|
1609 | { \
|
---|
1610 | aRegsSet[idxReg].pszName = a_pszName; \
|
---|
1611 | aRegsSet[idxReg].enmType = a_enmType; \
|
---|
1612 | aRegsSet[idxReg].Val.a_ValMember = a_Val; \
|
---|
1613 | idxReg++; \
|
---|
1614 | } while (0)
|
---|
1615 | #define KD_REG_INIT_DTR(a_pszName, a_Base, a_Limit) \
|
---|
1616 | do \
|
---|
1617 | { \
|
---|
1618 | aRegsSet[idxReg].pszName = a_pszName; \
|
---|
1619 | aRegsSet[idxReg].enmType = DBGFREGVALTYPE_DTR; \
|
---|
1620 | aRegsSet[idxReg].Val.dtr.u64Base = a_Base; \
|
---|
1621 | aRegsSet[idxReg].Val.dtr.u32Limit = a_Limit; \
|
---|
1622 | idxReg++; \
|
---|
1623 | } while (0)
|
---|
1624 | #define KD_REG_INIT_U16(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U16, u16, a_Val)
|
---|
1625 | #define KD_REG_INIT_U32(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U32, u32, a_Val)
|
---|
1626 | #define KD_REG_INIT_U64(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U64, u64, a_Val)
|
---|
1627 |
|
---|
1628 |
|
---|
1629 | /**
|
---|
1630 | * Writes the indicated values from the given context structure to the guests register set.
|
---|
1631 | *
|
---|
1632 | * @returns VBox status code.
|
---|
1633 | * @param pThis The KD context.
|
---|
1634 | * @param idCpu The CPU to query the context for.
|
---|
1635 | * @param pNtCtx The NT context structure to set.
|
---|
1636 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to set.
|
---|
1637 | */
|
---|
1638 | static int dbgcKdCtxSetNtCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
|
---|
1639 | {
|
---|
1640 | uint32_t idxReg = 0;
|
---|
1641 | DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
|
---|
1642 |
|
---|
1643 | KD_REG_INIT_U32("mxcsr", pNtCtx->u32RegMxCsr);
|
---|
1644 |
|
---|
1645 | if (fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
1646 | {
|
---|
1647 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
1648 | KD_REG_INIT_U16("cs", pNtCtx->u16SegCs);
|
---|
1649 | KD_REG_INIT_U16("ss", pNtCtx->u16SegSs);
|
---|
1650 | #endif
|
---|
1651 | KD_REG_INIT_U64("rip", pNtCtx->u64RegRip);
|
---|
1652 | KD_REG_INIT_U64("rsp", pNtCtx->u64RegRsp);
|
---|
1653 | KD_REG_INIT_U64("rbp", pNtCtx->u64RegRbp);
|
---|
1654 | KD_REG_INIT_U32("rflags", pNtCtx->u32RegEflags);
|
---|
1655 | }
|
---|
1656 |
|
---|
1657 | if (fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
1658 | {
|
---|
1659 | KD_REG_INIT_U64("rax", pNtCtx->u64RegRax);
|
---|
1660 | KD_REG_INIT_U64("rcx", pNtCtx->u64RegRcx);
|
---|
1661 | KD_REG_INIT_U64("rdx", pNtCtx->u64RegRdx);
|
---|
1662 | KD_REG_INIT_U64("rbx", pNtCtx->u64RegRbx);
|
---|
1663 | KD_REG_INIT_U64("rsi", pNtCtx->u64RegRsi);
|
---|
1664 | KD_REG_INIT_U64("rdi", pNtCtx->u64RegRdi);
|
---|
1665 | KD_REG_INIT_U64("r8", pNtCtx->u64RegR8);
|
---|
1666 | KD_REG_INIT_U64("r9", pNtCtx->u64RegR9);
|
---|
1667 | KD_REG_INIT_U64("r10", pNtCtx->u64RegR10);
|
---|
1668 | KD_REG_INIT_U64("r11", pNtCtx->u64RegR11);
|
---|
1669 | KD_REG_INIT_U64("r12", pNtCtx->u64RegR12);
|
---|
1670 | KD_REG_INIT_U64("r13", pNtCtx->u64RegR13);
|
---|
1671 | KD_REG_INIT_U64("r14", pNtCtx->u64RegR14);
|
---|
1672 | KD_REG_INIT_U64("r15", pNtCtx->u64RegR15);
|
---|
1673 | }
|
---|
1674 |
|
---|
1675 | if (fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
1676 | {
|
---|
1677 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
1678 | KD_REG_INIT_U16("ds", pNtCtx->u16SegDs);
|
---|
1679 | KD_REG_INIT_U16("es", pNtCtx->u16SegEs);
|
---|
1680 | KD_REG_INIT_U16("fs", pNtCtx->u16SegFs);
|
---|
1681 | KD_REG_INIT_U16("gs", pNtCtx->u16SegGs);
|
---|
1682 | #endif
|
---|
1683 | }
|
---|
1684 |
|
---|
1685 | if (fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
1686 | {
|
---|
1687 | /** @todo. */
|
---|
1688 | }
|
---|
1689 |
|
---|
1690 | if (fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
1691 | {
|
---|
1692 | /** @todo. */
|
---|
1693 | }
|
---|
1694 |
|
---|
1695 | return DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
|
---|
1696 | }
|
---|
1697 |
|
---|
1698 |
|
---|
1699 | /**
|
---|
1700 | * Fills in the given 64bit NT kernel context structure with the requested values.
|
---|
1701 | *
|
---|
1702 | * @returns VBox status code.
|
---|
1703 | * @param pThis The KD context.
|
---|
1704 | * @param idCpu The CPU to query the context for.
|
---|
1705 | * @param pKNtCtx The NT context structure to fill in.
|
---|
1706 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
1707 | */
|
---|
1708 | static int dbgcKdCtxQueryNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT64 pKNtCtx, uint32_t fCtxFlags)
|
---|
1709 | {
|
---|
1710 | RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
|
---|
1711 |
|
---|
1712 | int rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u64RegCr0);
|
---|
1713 | if (RT_SUCCESS(rc))
|
---|
1714 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u64RegCr2);
|
---|
1715 | if (RT_SUCCESS(rc))
|
---|
1716 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u64RegCr3);
|
---|
1717 | if (RT_SUCCESS(rc))
|
---|
1718 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u64RegCr4);
|
---|
1719 | if (RT_SUCCESS(rc))
|
---|
1720 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR8, &pKNtCtx->u64RegCr8);
|
---|
1721 | if (RT_SUCCESS(rc))
|
---|
1722 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR0, &pKNtCtx->u64RegDr0);
|
---|
1723 | if (RT_SUCCESS(rc))
|
---|
1724 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR1, &pKNtCtx->u64RegDr1);
|
---|
1725 | if (RT_SUCCESS(rc))
|
---|
1726 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR2, &pKNtCtx->u64RegDr2);
|
---|
1727 | if (RT_SUCCESS(rc))
|
---|
1728 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR3, &pKNtCtx->u64RegDr3);
|
---|
1729 | if (RT_SUCCESS(rc))
|
---|
1730 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR6, &pKNtCtx->u64RegDr6);
|
---|
1731 | if (RT_SUCCESS(rc))
|
---|
1732 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR7, &pKNtCtx->u64RegDr7);
|
---|
1733 | if (RT_SUCCESS(rc))
|
---|
1734 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
|
---|
1735 | if (RT_SUCCESS(rc))
|
---|
1736 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u64PtrBase);
|
---|
1737 | if (RT_SUCCESS(rc))
|
---|
1738 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
|
---|
1739 | if (RT_SUCCESS(rc))
|
---|
1740 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u64PtrBase);
|
---|
1741 | if (RT_SUCCESS(rc))
|
---|
1742 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
|
---|
1743 | if (RT_SUCCESS(rc))
|
---|
1744 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
|
---|
1745 | if (RT_SUCCESS(rc))
|
---|
1746 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pKNtCtx->u32RegMxCsr);
|
---|
1747 | /** @todo Debug control and stuff. */
|
---|
1748 |
|
---|
1749 | if (RT_SUCCESS(rc))
|
---|
1750 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_GS_BASE, &pKNtCtx->u64MsrGsBase);
|
---|
1751 | if (RT_SUCCESS(rc))
|
---|
1752 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_KERNEL_GS_BASE, &pKNtCtx->u64MsrKernelGsBase);
|
---|
1753 | if (RT_SUCCESS(rc))
|
---|
1754 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K6_STAR, &pKNtCtx->u64MsrStar);
|
---|
1755 | if (RT_SUCCESS(rc))
|
---|
1756 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_LSTAR, &pKNtCtx->u64MsrLstar);
|
---|
1757 | if (RT_SUCCESS(rc))
|
---|
1758 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_CSTAR, &pKNtCtx->u64MsrCstar);
|
---|
1759 | if (RT_SUCCESS(rc))
|
---|
1760 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_SF_MASK, &pKNtCtx->u64MsrSfMask);
|
---|
1761 | /** @todo XCR0 */
|
---|
1762 |
|
---|
1763 | if (RT_SUCCESS(rc))
|
---|
1764 | rc = dbgcKdCtxQueryNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, fCtxFlags);
|
---|
1765 |
|
---|
1766 | return rc;
|
---|
1767 | }
|
---|
1768 |
|
---|
1769 |
|
---|
1770 | /**
|
---|
1771 | * Fills in the given 32bit NT kernel context structure with the requested values.
|
---|
1772 | *
|
---|
1773 | * @returns VBox status code.
|
---|
1774 | * @param pThis The KD context.
|
---|
1775 | * @param idCpu The CPU to query the context for.
|
---|
1776 | * @param pKNtCtx The NT context structure to fill in.
|
---|
1777 | */
|
---|
1778 | static int dbgcKdCtxQueryNtKCtx32(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT32 pKNtCtx)
|
---|
1779 | {
|
---|
1780 | RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
|
---|
1781 |
|
---|
1782 | int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u32RegCr0);
|
---|
1783 | if (RT_SUCCESS(rc))
|
---|
1784 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u32RegCr2);
|
---|
1785 | if (RT_SUCCESS(rc))
|
---|
1786 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u32RegCr3);
|
---|
1787 | if (RT_SUCCESS(rc))
|
---|
1788 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u32RegCr4);
|
---|
1789 |
|
---|
1790 | if (RT_SUCCESS(rc))
|
---|
1791 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR0, &pKNtCtx->u32RegDr0);
|
---|
1792 | if (RT_SUCCESS(rc))
|
---|
1793 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR1, &pKNtCtx->u32RegDr1);
|
---|
1794 | if (RT_SUCCESS(rc))
|
---|
1795 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR2, &pKNtCtx->u32RegDr2);
|
---|
1796 | if (RT_SUCCESS(rc))
|
---|
1797 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR3, &pKNtCtx->u32RegDr3);
|
---|
1798 | if (RT_SUCCESS(rc))
|
---|
1799 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR6, &pKNtCtx->u32RegDr6);
|
---|
1800 | if (RT_SUCCESS(rc))
|
---|
1801 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_DR7, &pKNtCtx->u32RegDr7);
|
---|
1802 | if (RT_SUCCESS(rc))
|
---|
1803 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
|
---|
1804 | if (RT_SUCCESS(rc))
|
---|
1805 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u32PtrBase);
|
---|
1806 | if (RT_SUCCESS(rc))
|
---|
1807 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
|
---|
1808 | if (RT_SUCCESS(rc))
|
---|
1809 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u32PtrBase);
|
---|
1810 | if (RT_SUCCESS(rc))
|
---|
1811 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
|
---|
1812 | if (RT_SUCCESS(rc))
|
---|
1813 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
|
---|
1814 |
|
---|
1815 | return rc;
|
---|
1816 | }
|
---|
1817 |
|
---|
1818 |
|
---|
1819 | /**
|
---|
1820 | * Fills in the given 64bit NT kernel context structure with the requested values.
|
---|
1821 | *
|
---|
1822 | * @returns VBox status code.
|
---|
1823 | * @param pThis The KD context.
|
---|
1824 | * @param idCpu The CPU to query the context for.
|
---|
1825 | * @param pKNtCtx The NT context structure to fill in.
|
---|
1826 | * @param cbSet How many bytes of the context are valid.
|
---|
1827 | */
|
---|
1828 | static int dbgcKdCtxSetNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTKCONTEXT64 pKNtCtx, size_t cbSet)
|
---|
1829 | {
|
---|
1830 | AssertReturn(cbSet >= RT_UOFFSETOF(NTKCONTEXT64, Ctx), VERR_INVALID_PARAMETER);
|
---|
1831 |
|
---|
1832 | uint32_t idxReg = 0;
|
---|
1833 | DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
|
---|
1834 |
|
---|
1835 | KD_REG_INIT_U64("cr0", pKNtCtx->u64RegCr0);
|
---|
1836 | KD_REG_INIT_U64("cr2", pKNtCtx->u64RegCr2);
|
---|
1837 | KD_REG_INIT_U64("cr3", pKNtCtx->u64RegCr3);
|
---|
1838 | KD_REG_INIT_U64("cr4", pKNtCtx->u64RegCr4);
|
---|
1839 | KD_REG_INIT_U64("cr8", pKNtCtx->u64RegCr8);
|
---|
1840 | KD_REG_INIT_U64("dr0", pKNtCtx->u64RegDr0);
|
---|
1841 | KD_REG_INIT_U64("dr1", pKNtCtx->u64RegDr1);
|
---|
1842 | KD_REG_INIT_U64("dr2", pKNtCtx->u64RegDr2);
|
---|
1843 | KD_REG_INIT_U64("dr3", pKNtCtx->u64RegDr3);
|
---|
1844 | KD_REG_INIT_U64("dr6", pKNtCtx->u64RegDr6);
|
---|
1845 | KD_REG_INIT_U64("dr7", pKNtCtx->u64RegDr7);
|
---|
1846 |
|
---|
1847 | KD_REG_INIT_DTR("gdtr", pKNtCtx->Gdtr.u64PtrBase, pKNtCtx->Gdtr.u16Limit);
|
---|
1848 | KD_REG_INIT_DTR("idtr", pKNtCtx->Idtr.u64PtrBase, pKNtCtx->Idtr.u16Limit);
|
---|
1849 |
|
---|
1850 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
1851 | KD_REG_INIT_U16("tr", pKNtCtx->u16RegTr);
|
---|
1852 | KD_REG_INIT_U16("ldtr", pKNtCtx->u16RegLdtr);
|
---|
1853 | #endif
|
---|
1854 | KD_REG_INIT_U32("mxcsr", pKNtCtx->u32RegMxCsr);
|
---|
1855 |
|
---|
1856 | KD_REG_INIT_U64("msr_gs_base", pKNtCtx->u64MsrGsBase);
|
---|
1857 | KD_REG_INIT_U64("krnl_gs_base", pKNtCtx->u64MsrKernelGsBase);
|
---|
1858 | KD_REG_INIT_U64("star", pKNtCtx->u64MsrStar);
|
---|
1859 | KD_REG_INIT_U64("lstar", pKNtCtx->u64MsrLstar);
|
---|
1860 | KD_REG_INIT_U64("cstar", pKNtCtx->u64MsrCstar);
|
---|
1861 | KD_REG_INIT_U64("sf_mask", pKNtCtx->u64MsrSfMask);
|
---|
1862 |
|
---|
1863 | int rc = DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
|
---|
1864 | if ( RT_SUCCESS(rc)
|
---|
1865 | && cbSet > RT_UOFFSETOF(NTKCONTEXT64, Ctx)) /** @todo Probably wrong. */
|
---|
1866 | rc = dbgcKdCtxSetNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, pKNtCtx->Ctx.fContext);
|
---|
1867 |
|
---|
1868 | return rc;
|
---|
1869 | }
|
---|
1870 |
|
---|
1871 | #undef KD_REG_INIT_64
|
---|
1872 | #undef KD_REG_INIT_32
|
---|
1873 | #undef KD_REG_INIT_16
|
---|
1874 | #undef KD_REG_INIT_DTR
|
---|
1875 | #undef KD_REG_INIT
|
---|
1876 |
|
---|
1877 |
|
---|
1878 | /**
|
---|
1879 | * Validates the given KD packet header.
|
---|
1880 | *
|
---|
1881 | * @returns Flag whether the packet header is valid, false if invalid.
|
---|
1882 | * @param pPktHdr The packet header to validate.
|
---|
1883 | */
|
---|
1884 | static bool dbgcKdPktHdrValidate(PCKDPACKETHDR pPktHdr)
|
---|
1885 | {
|
---|
1886 | if ( pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_DATA
|
---|
1887 | && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_CONTROL
|
---|
1888 | && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_BREAKIN)
|
---|
1889 | return false;
|
---|
1890 |
|
---|
1891 | if (pPktHdr->u16SubType >= KD_PACKET_HDR_SUB_TYPE_MAX)
|
---|
1892 | return false;
|
---|
1893 |
|
---|
1894 | uint32_t idPacket = pPktHdr->idPacket & UINT32_C(0xfffffffe);
|
---|
1895 | if ( idPacket != KD_PACKET_HDR_ID_INITIAL
|
---|
1896 | && idPacket != KD_PACKET_HDR_ID_RESET
|
---|
1897 | && idPacket != 0 /* Happens on the very first packet */)
|
---|
1898 | return false;
|
---|
1899 |
|
---|
1900 | return true;
|
---|
1901 | }
|
---|
1902 |
|
---|
1903 |
|
---|
1904 | /**
|
---|
1905 | * Generates a checksum from the given buffer.
|
---|
1906 | *
|
---|
1907 | * @returns Generated checksum.
|
---|
1908 | * @param pv The data to generate a checksum from.
|
---|
1909 | * @param cb Number of bytes to checksum.
|
---|
1910 | */
|
---|
1911 | static uint32_t dbgcKdPktChkSumGen(const void *pv, size_t cb)
|
---|
1912 | {
|
---|
1913 | const uint8_t *pb = (const uint8_t *)pv;
|
---|
1914 | uint32_t u32ChkSum = 0;
|
---|
1915 |
|
---|
1916 | while (cb--)
|
---|
1917 | u32ChkSum += *pb++;
|
---|
1918 |
|
---|
1919 | return u32ChkSum;
|
---|
1920 | }
|
---|
1921 |
|
---|
1922 |
|
---|
1923 | /**
|
---|
1924 | * Generates a checksum from the given segments.
|
---|
1925 | *
|
---|
1926 | * @returns Generated checksum.
|
---|
1927 | * @param paSegs Pointer to the array of segments containing the data.
|
---|
1928 | * @param cSegs Number of segments.
|
---|
1929 | * @param pcbChkSum Where to store the number of bytes checksummed, optional.
|
---|
1930 | */
|
---|
1931 | static uint32_t dbgcKdPktChkSumGenSg(PCRTSGSEG paSegs, uint32_t cSegs, size_t *pcbChkSum)
|
---|
1932 | {
|
---|
1933 | size_t cbChkSum = 0;
|
---|
1934 | uint32_t u32ChkSum = 0;
|
---|
1935 |
|
---|
1936 | for (uint32_t i = 0; i < cSegs; i++)
|
---|
1937 | {
|
---|
1938 | u32ChkSum += dbgcKdPktChkSumGen(paSegs[i].pvSeg, paSegs[i].cbSeg);
|
---|
1939 | cbChkSum += paSegs[i].cbSeg;
|
---|
1940 | }
|
---|
1941 |
|
---|
1942 | if (pcbChkSum)
|
---|
1943 | *pcbChkSum = cbChkSum;
|
---|
1944 |
|
---|
1945 | return u32ChkSum;
|
---|
1946 | }
|
---|
1947 |
|
---|
1948 |
|
---|
1949 | /**
|
---|
1950 | * Waits for an acknowledgment.
|
---|
1951 | *
|
---|
1952 | * @returns VBox status code.
|
---|
1953 | * @param pThis The KD context.
|
---|
1954 | * @param msWait Maximum number of milliseconds to wait for an acknowledge.
|
---|
1955 | * @param pfResend Where to store the resend requested flag on success.
|
---|
1956 | */
|
---|
1957 | static int dbgcKdCtxPktWaitForAck(PKDCTX pThis, RTMSINTERVAL msWait, bool *pfResend)
|
---|
1958 | {
|
---|
1959 | KDPACKETHDR PktAck;
|
---|
1960 | uint8_t *pbCur = (uint8_t *)&PktAck;
|
---|
1961 | size_t cbLeft = sizeof(PktAck);
|
---|
1962 | uint64_t tsStartMs = RTTimeMilliTS();
|
---|
1963 | int rc = VINF_SUCCESS;
|
---|
1964 |
|
---|
1965 | LogFlowFunc(("pThis=%p msWait=%u pfResend=%p\n", pThis, msWait, pfResend));
|
---|
1966 |
|
---|
1967 | RT_ZERO(PktAck);
|
---|
1968 |
|
---|
1969 | /* There might be breakin packets in the queue, read until we get something else. */
|
---|
1970 | while ( msWait
|
---|
1971 | && RT_SUCCESS(rc))
|
---|
1972 | {
|
---|
1973 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, msWait))
|
---|
1974 | {
|
---|
1975 | size_t cbRead = 0;
|
---|
1976 | rc = pThis->Dbgc.pBack->pfnRead(pThis->Dbgc.pBack, pbCur, 1, &cbRead);
|
---|
1977 | if ( RT_SUCCESS(rc)
|
---|
1978 | && cbRead == 1)
|
---|
1979 | {
|
---|
1980 | uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
|
---|
1981 | msWait -= RT_MIN(msWait, tsSpanMs);
|
---|
1982 | tsStartMs = RTTimeMilliTS();
|
---|
1983 |
|
---|
1984 | if (*pbCur == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
1985 | pThis->fBreakinRecv = true;
|
---|
1986 | else
|
---|
1987 | {
|
---|
1988 | pbCur++;
|
---|
1989 | cbLeft--;
|
---|
1990 | break;
|
---|
1991 | }
|
---|
1992 | }
|
---|
1993 | }
|
---|
1994 | else
|
---|
1995 | rc = VERR_TIMEOUT;
|
---|
1996 | }
|
---|
1997 |
|
---|
1998 | if ( RT_SUCCESS(rc)
|
---|
1999 | && !msWait)
|
---|
2000 | rc = VERR_TIMEOUT;
|
---|
2001 |
|
---|
2002 | if (RT_SUCCESS(rc))
|
---|
2003 | {
|
---|
2004 | while ( msWait
|
---|
2005 | && RT_SUCCESS(rc)
|
---|
2006 | && cbLeft)
|
---|
2007 | {
|
---|
2008 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, msWait))
|
---|
2009 | {
|
---|
2010 | size_t cbRead = 0;
|
---|
2011 | rc = pThis->Dbgc.pBack->pfnRead(pThis->Dbgc.pBack, pbCur, cbLeft, &cbRead);
|
---|
2012 | if (RT_SUCCESS(rc))
|
---|
2013 | {
|
---|
2014 | uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
|
---|
2015 | msWait -= RT_MIN(msWait, tsSpanMs);
|
---|
2016 | tsStartMs = RTTimeMilliTS();
|
---|
2017 |
|
---|
2018 | cbLeft -= cbRead;
|
---|
2019 | pbCur += cbRead;
|
---|
2020 | }
|
---|
2021 | }
|
---|
2022 | else
|
---|
2023 | rc = VERR_TIMEOUT;
|
---|
2024 | }
|
---|
2025 |
|
---|
2026 | if (RT_SUCCESS(rc))
|
---|
2027 | {
|
---|
2028 | if (PktAck.u32Signature == KD_PACKET_HDR_SIGNATURE_CONTROL)
|
---|
2029 | {
|
---|
2030 | if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE)
|
---|
2031 | rc = VINF_SUCCESS;
|
---|
2032 | else if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_RESEND)
|
---|
2033 | {
|
---|
2034 | *pfResend = true;
|
---|
2035 | rc = VINF_SUCCESS;
|
---|
2036 | }
|
---|
2037 | else
|
---|
2038 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
2039 | }
|
---|
2040 | else
|
---|
2041 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
2042 | }
|
---|
2043 | }
|
---|
2044 |
|
---|
2045 | LogFlowFunc(("returns rc=%Rrc *pfResend=%RTbool\n", rc, *pfResend));
|
---|
2046 | return rc;
|
---|
2047 | }
|
---|
2048 |
|
---|
2049 |
|
---|
2050 | /**
|
---|
2051 | * Sends the given packet header and optional segmented body (the trailing byte is sent automatically).
|
---|
2052 | *
|
---|
2053 | * @returns VBox status code.
|
---|
2054 | * @param pThis The KD context.
|
---|
2055 | * @param u32Signature The signature to send.
|
---|
2056 | * @param u16SubType The sub type to send.
|
---|
2057 | * @param paSegs Pointer to the array of segments to send in the body, optional.
|
---|
2058 | * @param cSegs Number of segments.
|
---|
2059 | * @param fAck Flag whether to wait for an acknowledge.
|
---|
2060 | */
|
---|
2061 | static int dbgcKdCtxPktSendSg(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
|
---|
2062 | PCRTSGSEG paSegs, uint32_t cSegs, bool fAck)
|
---|
2063 | {
|
---|
2064 | int rc = VINF_SUCCESS;
|
---|
2065 | uint32_t cRetriesLeft = 3;
|
---|
2066 | uint8_t bTrailer = KD_PACKET_TRAILING_BYTE;
|
---|
2067 | KDPACKETHDR Hdr;
|
---|
2068 |
|
---|
2069 | size_t cbChkSum = 0;
|
---|
2070 | uint32_t u32ChkSum = dbgcKdPktChkSumGenSg(paSegs, cSegs, &cbChkSum);
|
---|
2071 |
|
---|
2072 | Hdr.u32Signature = u32Signature;
|
---|
2073 | Hdr.u16SubType = u16SubType;
|
---|
2074 | Hdr.cbBody = (uint16_t)cbChkSum;
|
---|
2075 | Hdr.idPacket = pThis->idPktNext;
|
---|
2076 | Hdr.u32ChkSum = u32ChkSum;
|
---|
2077 |
|
---|
2078 | #ifdef LOG_ENABLED
|
---|
2079 | dbgcKdPktDump(&Hdr, paSegs, cSegs, false /*fRx*/);
|
---|
2080 | #endif
|
---|
2081 |
|
---|
2082 | while (cRetriesLeft--)
|
---|
2083 | {
|
---|
2084 | bool fResend = false;
|
---|
2085 |
|
---|
2086 | rc = dbgcKdCtxWrite(pThis, &Hdr, sizeof(Hdr));
|
---|
2087 | if ( RT_SUCCESS(rc)
|
---|
2088 | && paSegs
|
---|
2089 | && cSegs)
|
---|
2090 | {
|
---|
2091 | for (uint32_t i = 0; i < cSegs && RT_SUCCESS(rc); i++)
|
---|
2092 | rc = dbgcKdCtxWrite(pThis, paSegs[i].pvSeg, paSegs[i].cbSeg);
|
---|
2093 |
|
---|
2094 | if (RT_SUCCESS(rc))
|
---|
2095 | rc = dbgcKdCtxWrite(pThis, &bTrailer, sizeof(bTrailer));
|
---|
2096 | }
|
---|
2097 |
|
---|
2098 | if (RT_SUCCESS(rc))
|
---|
2099 | {
|
---|
2100 | if (fAck)
|
---|
2101 | rc = dbgcKdCtxPktWaitForAck(pThis, 10 * 1000, &fResend);
|
---|
2102 |
|
---|
2103 | if ( RT_SUCCESS(rc)
|
---|
2104 | && !fResend)
|
---|
2105 | break;
|
---|
2106 | }
|
---|
2107 | }
|
---|
2108 |
|
---|
2109 | return rc;
|
---|
2110 | }
|
---|
2111 |
|
---|
2112 |
|
---|
2113 | /**
|
---|
2114 | * Sends the given packet header and optional body (the trailing byte is sent automatically).
|
---|
2115 | *
|
---|
2116 | * @returns VBox status code.
|
---|
2117 | * @param pThis The KD context.
|
---|
2118 | * @param u32Signature The signature to send.
|
---|
2119 | * @param u16SubType The sub type to send.
|
---|
2120 | * @param pvBody The body to send, optional.
|
---|
2121 | * @param cbBody Body size in bytes.
|
---|
2122 | * @param fAck Flag whether to wait for an acknowledge.
|
---|
2123 | */
|
---|
2124 | DECLINLINE(int) dbgcKdCtxPktSend(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
|
---|
2125 | const void *pvBody, size_t cbBody,
|
---|
2126 | bool fAck)
|
---|
2127 | {
|
---|
2128 | RTSGSEG Seg;
|
---|
2129 |
|
---|
2130 | Seg.pvSeg = (void *)pvBody;
|
---|
2131 | Seg.cbSeg = cbBody;
|
---|
2132 | return dbgcKdCtxPktSendSg(pThis, u32Signature, u16SubType, cbBody ? &Seg : NULL, cbBody ? 1 : 0, fAck);
|
---|
2133 | }
|
---|
2134 |
|
---|
2135 |
|
---|
2136 | /**
|
---|
2137 | * Sends a resend packet answer.
|
---|
2138 | *
|
---|
2139 | * @returns VBox status code.
|
---|
2140 | * @param pThis The KD context.
|
---|
2141 | */
|
---|
2142 | DECLINLINE(int) dbgcKdCtxPktSendResend(PKDCTX pThis)
|
---|
2143 | {
|
---|
2144 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESEND,
|
---|
2145 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
2146 | }
|
---|
2147 |
|
---|
2148 |
|
---|
2149 | /**
|
---|
2150 | * Sends a resend packet answer.
|
---|
2151 | *
|
---|
2152 | * @returns VBox status code.
|
---|
2153 | * @param pThis The KD context.
|
---|
2154 | */
|
---|
2155 | DECLINLINE(int) dbgcKdCtxPktSendReset(PKDCTX pThis)
|
---|
2156 | {
|
---|
2157 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
2158 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESET,
|
---|
2159 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
2160 | }
|
---|
2161 |
|
---|
2162 |
|
---|
2163 | /**
|
---|
2164 | * Sends an acknowledge packet answer.
|
---|
2165 | *
|
---|
2166 | * @returns VBox status code.
|
---|
2167 | * @param pThis The KD context.
|
---|
2168 | */
|
---|
2169 | DECLINLINE(int) dbgcKdCtxPktSendAck(PKDCTX pThis)
|
---|
2170 | {
|
---|
2171 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE,
|
---|
2172 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
2173 | }
|
---|
2174 |
|
---|
2175 |
|
---|
2176 | /**
|
---|
2177 | * Resets the packet receive state machine.
|
---|
2178 | *
|
---|
2179 | * @returns nothing.
|
---|
2180 | * @param pThis The KD context.
|
---|
2181 | */
|
---|
2182 | static void dbgcKdCtxPktRecvReset(PKDCTX pThis)
|
---|
2183 | {
|
---|
2184 | pThis->enmState = KDRECVSTATE_PACKET_HDR_FIRST_BYTE;
|
---|
2185 | pThis->pbRecv = &pThis->PktHdr.ab[0];
|
---|
2186 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[0]);
|
---|
2187 | pThis->msRecvTimeout = RT_INDEFINITE_WAIT;
|
---|
2188 | pThis->tsRecvLast = RTTimeMilliTS();
|
---|
2189 | }
|
---|
2190 |
|
---|
2191 |
|
---|
2192 | /**
|
---|
2193 | * Sends a Debug I/O string packet.
|
---|
2194 | *
|
---|
2195 | * @returns VBox status code.
|
---|
2196 | * @param pThis The KD context data.
|
---|
2197 | * @param idCpu The CPU ID generating this packet.
|
---|
2198 | * @param pachChars The characters to send (ASCII).
|
---|
2199 | * @param cbChars Number of characters to send.
|
---|
2200 | */
|
---|
2201 | static int dbgcKdCtxDebugIoStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachChars, size_t cbChars)
|
---|
2202 | {
|
---|
2203 | KDPACKETDEBUGIO DebugIo;
|
---|
2204 | RT_ZERO(DebugIo);
|
---|
2205 |
|
---|
2206 | /* Fix your damn log strings if this exceeds 4GB... */
|
---|
2207 | if (cbChars != (uint32_t)cbChars)
|
---|
2208 | return VERR_BUFFER_OVERFLOW;
|
---|
2209 |
|
---|
2210 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
|
---|
2211 | DebugIo.u16CpuLvl = 0x6;
|
---|
2212 | DebugIo.idCpu = (uint16_t)idCpu;
|
---|
2213 | DebugIo.u.Str.cbStr = (uint32_t)cbChars;
|
---|
2214 |
|
---|
2215 | RTSGSEG aRespSegs[2];
|
---|
2216 |
|
---|
2217 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
2218 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
2219 | aRespSegs[1].pvSeg = (void *)pachChars;
|
---|
2220 | aRespSegs[1].cbSeg = cbChars;
|
---|
2221 |
|
---|
2222 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
2223 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2224 | }
|
---|
2225 |
|
---|
2226 |
|
---|
2227 | /**
|
---|
2228 | * Sends a state change event packet.
|
---|
2229 | *
|
---|
2230 | * @returns VBox status code.
|
---|
2231 | * @param pThis The KD context data.
|
---|
2232 | * @param enmType The event type.
|
---|
2233 | */
|
---|
2234 | static int dbgcKdCtxStateChangeSend(PKDCTX pThis, DBGFEVENTTYPE enmType)
|
---|
2235 | {
|
---|
2236 | LogFlowFunc(("pThis=%p enmType=%u\n", pThis, enmType));
|
---|
2237 |
|
---|
2238 | /* Select the record to send based on the CPU mode. */
|
---|
2239 | int rc = VINF_SUCCESS;
|
---|
2240 | KDPACKETSTATECHANGE64 StateChange64;
|
---|
2241 | RT_ZERO(StateChange64);
|
---|
2242 |
|
---|
2243 | StateChange64.u32StateNew = KD_PACKET_STATE_CHANGE_EXCEPTION;
|
---|
2244 | StateChange64.u16CpuLvl = 0x6; /** @todo Figure this one out. */
|
---|
2245 | StateChange64.idCpu = pThis->Dbgc.idCpu;
|
---|
2246 | StateChange64.cCpus = (uint16_t)DBGFR3CpuGetCount(pThis->Dbgc.pUVM);
|
---|
2247 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RIP, &StateChange64.u64RipThread);
|
---|
2248 | if (RT_SUCCESS(rc))
|
---|
2249 | {
|
---|
2250 | DBGFADDRESS AddrRip;
|
---|
2251 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRip, StateChange64.u64RipThread);
|
---|
2252 |
|
---|
2253 | StateChange64.u64RipThread = KD_PTR_CREATE(pThis, StateChange64.u64RipThread);
|
---|
2254 |
|
---|
2255 | /** @todo Properly fill in the exception record. */
|
---|
2256 | switch (enmType)
|
---|
2257 | {
|
---|
2258 | case DBGFEVENT_HALT_DONE:
|
---|
2259 | case DBGFEVENT_BREAKPOINT:
|
---|
2260 | case DBGFEVENT_BREAKPOINT_IO:
|
---|
2261 | case DBGFEVENT_BREAKPOINT_MMIO:
|
---|
2262 | case DBGFEVENT_BREAKPOINT_HYPER:
|
---|
2263 | StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_BKPT;
|
---|
2264 | break;
|
---|
2265 | case DBGFEVENT_STEPPED:
|
---|
2266 | case DBGFEVENT_STEPPED_HYPER:
|
---|
2267 | StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_SINGLE_STEP;
|
---|
2268 | break;
|
---|
2269 | default:
|
---|
2270 | AssertMsgFailed(("Invalid DBGF event type for state change %d!\n", enmType));
|
---|
2271 | }
|
---|
2272 |
|
---|
2273 | StateChange64.u.Exception.ExcpRec.cExcpParms = 3;
|
---|
2274 | StateChange64.u.Exception.u32FirstChance = 0x1;
|
---|
2275 |
|
---|
2276 | /** @todo Properly fill in the control report. */
|
---|
2277 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR6, &StateChange64.uCtrlReport.Amd64.u64RegDr6);
|
---|
2278 | if (RT_SUCCESS(rc))
|
---|
2279 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR7, &StateChange64.uCtrlReport.Amd64.u64RegDr7);
|
---|
2280 | if (RT_SUCCESS(rc))
|
---|
2281 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RFLAGS, &StateChange64.uCtrlReport.Amd64.u32RegEflags);
|
---|
2282 | if (RT_SUCCESS(rc))
|
---|
2283 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_CS, &StateChange64.uCtrlReport.Amd64.u16SegCs);
|
---|
2284 | if (RT_SUCCESS(rc))
|
---|
2285 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DS, &StateChange64.uCtrlReport.Amd64.u16SegDs);
|
---|
2286 | if (RT_SUCCESS(rc))
|
---|
2287 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_ES, &StateChange64.uCtrlReport.Amd64.u16SegEs);
|
---|
2288 | if (RT_SUCCESS(rc))
|
---|
2289 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_FS, &StateChange64.uCtrlReport.Amd64.u16SegFs);
|
---|
2290 |
|
---|
2291 | /* Read instruction bytes. */
|
---|
2292 | StateChange64.uCtrlReport.Amd64.cbInsnStream = sizeof(StateChange64.uCtrlReport.Amd64.abInsn);
|
---|
2293 | rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRip,
|
---|
2294 | &StateChange64.uCtrlReport.Amd64.abInsn[0], StateChange64.uCtrlReport.Amd64.cbInsnStream);
|
---|
2295 | if (RT_SUCCESS(rc))
|
---|
2296 | {
|
---|
2297 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
2298 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64,
|
---|
2299 | &StateChange64, sizeof(StateChange64), false /*fAck*/);
|
---|
2300 | }
|
---|
2301 | }
|
---|
2302 |
|
---|
2303 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
2304 | return rc;
|
---|
2305 | }
|
---|
2306 |
|
---|
2307 |
|
---|
2308 | /**
|
---|
2309 | * Processes a get version 64 request.
|
---|
2310 | *
|
---|
2311 | * @returns VBox status code.
|
---|
2312 | * @param pThis The KD context.
|
---|
2313 | * @param pPktManip The manipulate packet request.
|
---|
2314 | */
|
---|
2315 | static int dbgcKdCtxPktManipulate64GetVersion(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2316 | {
|
---|
2317 | KDPACKETMANIPULATE64 Resp;
|
---|
2318 | RT_ZERO(Resp);
|
---|
2319 |
|
---|
2320 | /* Fill in the generic part. */
|
---|
2321 | Resp.Hdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_VERSION;
|
---|
2322 | Resp.Hdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2323 | Resp.Hdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2324 | Resp.Hdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2325 |
|
---|
2326 | /* Build our own response in case there is no Windows interface available. */
|
---|
2327 | uint32_t NtBuildNumber = 0x0f2800; /* Used when there is no NT interface available, which probably breaks symbol loading. */
|
---|
2328 | bool f32Bit = false;
|
---|
2329 | if (pThis->pIfWinNt)
|
---|
2330 | {
|
---|
2331 | int rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM,
|
---|
2332 | NULL /*puVersMajor*/, NULL /*puVersMinor*/,
|
---|
2333 | &NtBuildNumber, &f32Bit);
|
---|
2334 | if (RT_SUCCESS(rc))
|
---|
2335 | rc = pThis->pIfWinNt->pfnQueryKernelPtrs(pThis->pIfWinNt, pThis->Dbgc.pUVM, &Resp.u.GetVersion.u64PtrKernBase,
|
---|
2336 | &Resp.u.GetVersion.u64PtrPsLoadedModuleList);
|
---|
2337 | }
|
---|
2338 |
|
---|
2339 | /* Fill in the request specific part. */
|
---|
2340 | Resp.u.GetVersion.u16VersMaj = NtBuildNumber >> 16;
|
---|
2341 | Resp.u.GetVersion.u16VersMin = NtBuildNumber & UINT32_C(0xffff);
|
---|
2342 | Resp.u.GetVersion.u8VersProtocol = 0x6; /* From a Windows 10 guest. */
|
---|
2343 | Resp.u.GetVersion.u8VersKdSecondary = pThis->f32Bit ? 0 : 0x2; /* amd64 has a versioned context (0 and 1 are obsolete). */
|
---|
2344 | Resp.u.GetVersion.fFlags = KD_PACKET_MANIPULATE64_GET_VERSION_F_MP;
|
---|
2345 | Resp.u.GetVersion.u8MaxPktType = KD_PACKET_HDR_SUB_TYPE_MAX;
|
---|
2346 | Resp.u.GetVersion.u8MaxStateChange = KD_PACKET_STATE_CHANGE_MAX - KD_PACKET_STATE_CHANGE_MIN;
|
---|
2347 | Resp.u.GetVersion.u8MaxManipulate = KD_PACKET_MANIPULATE_REQ_MAX - KD_PACKET_MANIPULATE_REQ_MIN;
|
---|
2348 | Resp.u.GetVersion.u64PtrDebuggerDataList = 0;
|
---|
2349 |
|
---|
2350 | if (f32Bit)
|
---|
2351 | {
|
---|
2352 | Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_I386;
|
---|
2353 | Resp.u.GetVersion.u64PtrKernBase = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrKernBase);
|
---|
2354 | Resp.u.GetVersion.u64PtrPsLoadedModuleList = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrPsLoadedModuleList);
|
---|
2355 | }
|
---|
2356 | else
|
---|
2357 | {
|
---|
2358 | Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_AMD64;
|
---|
2359 | Resp.u.GetVersion.fFlags |= KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64;
|
---|
2360 | }
|
---|
2361 |
|
---|
2362 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2363 | &Resp, sizeof(Resp), true /*fAck*/);
|
---|
2364 | }
|
---|
2365 |
|
---|
2366 |
|
---|
2367 | /**
|
---|
2368 | * Processes a read memory 64 request.
|
---|
2369 | *
|
---|
2370 | * @returns VBox status code.
|
---|
2371 | * @param pThis The KD context.
|
---|
2372 | * @param pPktManip The manipulate packet request.
|
---|
2373 | */
|
---|
2374 | static int dbgcKdCtxPktManipulate64ReadMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2375 | {
|
---|
2376 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2377 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
2378 | uint8_t abMem[_4K];
|
---|
2379 | RT_ZERO(RespHdr); RT_ZERO(XferMem64);
|
---|
2380 |
|
---|
2381 | DBGFADDRESS AddrRead;
|
---|
2382 | uint32_t cbRead = RT_MIN(sizeof(abMem), pPktManip->u.XferMem.cbXferReq);
|
---|
2383 | if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM)
|
---|
2384 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2385 | else
|
---|
2386 | DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2387 |
|
---|
2388 | RTSGSEG aRespSegs[3];
|
---|
2389 | uint32_t cSegs = 2; /* Gets incremented when read is successful. */
|
---|
2390 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2391 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2392 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2393 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2394 |
|
---|
2395 | XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
|
---|
2396 | XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
|
---|
2397 | XferMem64.cbXfered = (uint32_t)cbRead;
|
---|
2398 |
|
---|
2399 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2400 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2401 | aRespSegs[1].pvSeg = &XferMem64;
|
---|
2402 | aRespSegs[1].cbSeg = sizeof(XferMem64);
|
---|
2403 |
|
---|
2404 | int rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRead, &abMem[0], cbRead);
|
---|
2405 | if (RT_SUCCESS(rc))
|
---|
2406 | {
|
---|
2407 | cSegs++;
|
---|
2408 | aRespSegs[2].pvSeg = &abMem[0];
|
---|
2409 | aRespSegs[2].cbSeg = cbRead;
|
---|
2410 | }
|
---|
2411 | else
|
---|
2412 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2413 |
|
---|
2414 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2415 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2416 | }
|
---|
2417 |
|
---|
2418 |
|
---|
2419 | /**
|
---|
2420 | * Processes a write memory 64 request.
|
---|
2421 | *
|
---|
2422 | * @returns VBox status code.
|
---|
2423 | * @param pThis The KD context.
|
---|
2424 | * @param pPktManip The manipulate packet request.
|
---|
2425 | */
|
---|
2426 | static int dbgcKdCtxPktManipulate64WriteMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2427 | {
|
---|
2428 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2429 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
2430 | RT_ZERO(RespHdr); RT_ZERO(XferMem64);
|
---|
2431 |
|
---|
2432 | DBGFADDRESS AddrWrite;
|
---|
2433 | const void *pv = &pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
2434 | uint32_t cbWrite = RT_MIN(sizeof(pThis->abBody) - sizeof(*pPktManip), pPktManip->u.XferMem.cbXferReq);
|
---|
2435 | if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM)
|
---|
2436 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2437 | else
|
---|
2438 | DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
2439 |
|
---|
2440 | RTSGSEG aRespSegs[2];
|
---|
2441 | uint32_t cSegs = 2;
|
---|
2442 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2443 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2444 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2445 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2446 |
|
---|
2447 | XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
|
---|
2448 | XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
|
---|
2449 | XferMem64.cbXfered = (uint32_t)cbWrite;
|
---|
2450 |
|
---|
2451 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2452 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2453 | aRespSegs[1].pvSeg = &XferMem64;
|
---|
2454 | aRespSegs[1].cbSeg = sizeof(XferMem64);
|
---|
2455 |
|
---|
2456 | int rc = DBGFR3MemWrite(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrWrite, pv, cbWrite);
|
---|
2457 | if (RT_FAILURE(rc))
|
---|
2458 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2459 |
|
---|
2460 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2461 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2462 | }
|
---|
2463 |
|
---|
2464 |
|
---|
2465 | /**
|
---|
2466 | * Processes a continue request.
|
---|
2467 | *
|
---|
2468 | * @returns VBox status code.
|
---|
2469 | * @param pThis The KD context.
|
---|
2470 | * @param pPktManip The manipulate packet request.
|
---|
2471 | */
|
---|
2472 | static int dbgcKdCtxPktManipulate64Continue(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2473 | {
|
---|
2474 | RT_NOREF(pPktManip);
|
---|
2475 | int rc = VINF_SUCCESS;
|
---|
2476 |
|
---|
2477 | /* No response, just resume. */
|
---|
2478 | if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
2479 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
2480 |
|
---|
2481 | return rc;
|
---|
2482 | }
|
---|
2483 |
|
---|
2484 |
|
---|
2485 | /**
|
---|
2486 | * Processes a continue request.
|
---|
2487 | *
|
---|
2488 | * @returns VBox status code.
|
---|
2489 | * @param pThis The KD context.
|
---|
2490 | * @param pPktManip The manipulate packet request.
|
---|
2491 | */
|
---|
2492 | static int dbgcKdCtxPktManipulate64Continue2(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2493 | {
|
---|
2494 | int rc = VINF_SUCCESS;
|
---|
2495 |
|
---|
2496 | /* Resume if not single stepping, the single step will get a state change when the VM stepped. */
|
---|
2497 | if (pPktManip->u.Continue2.fTrace)
|
---|
2498 | {
|
---|
2499 | PDBGFADDRESS pStackPop = NULL;
|
---|
2500 | RTGCPTR cbStackPop = 0;
|
---|
2501 | rc = DBGFR3StepEx(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGF_STEP_F_INTO, NULL,
|
---|
2502 | pStackPop, cbStackPop, 1 /*cMaxSteps*/);
|
---|
2503 | }
|
---|
2504 | else if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
2505 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
2506 |
|
---|
2507 | return rc;
|
---|
2508 | }
|
---|
2509 |
|
---|
2510 |
|
---|
2511 | /**
|
---|
2512 | * Processes a set context request.
|
---|
2513 | *
|
---|
2514 | * @returns VBox status code.
|
---|
2515 | * @param pThis The KD context.
|
---|
2516 | * @param pPktManip The manipulate packet request.
|
---|
2517 | */
|
---|
2518 | static int dbgcKdCtxPktManipulate64SetContext(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2519 | {
|
---|
2520 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2521 | KDPACKETMANIPULATE_SETCONTEXT SetContext;
|
---|
2522 | RT_ZERO(RespHdr); RT_ZERO(SetContext);
|
---|
2523 |
|
---|
2524 | PCNTCONTEXT64 pNtCtx = (PCNTCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
2525 |
|
---|
2526 | RTSGSEG aRespSegs[2];
|
---|
2527 | uint32_t cSegs = 2;
|
---|
2528 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2529 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2530 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2531 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2532 |
|
---|
2533 | /** @todo What do these flags mean? Can't be the context state to set because the valid one is
|
---|
2534 | * in NTCONTEXT64::fContext (observed with WinDbg). */
|
---|
2535 | SetContext.u32CtxFlags = pPktManip->u.SetContext.u32CtxFlags;
|
---|
2536 |
|
---|
2537 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2538 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2539 | aRespSegs[1].pvSeg = &SetContext;
|
---|
2540 | aRespSegs[1].cbSeg = sizeof(SetContext);
|
---|
2541 |
|
---|
2542 | int rc = dbgcKdCtxSetNtCtx64(pThis, pPktManip->Hdr.idCpu, pNtCtx, pNtCtx->fContext);
|
---|
2543 | if (RT_FAILURE(rc))
|
---|
2544 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2545 |
|
---|
2546 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2547 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2548 | }
|
---|
2549 |
|
---|
2550 |
|
---|
2551 | /**
|
---|
2552 | * Processes a read control space 64 request.
|
---|
2553 | *
|
---|
2554 | * @returns VBox status code.
|
---|
2555 | * @param pThis The KD context.
|
---|
2556 | * @param pPktManip The manipulate packet request.
|
---|
2557 | */
|
---|
2558 | static int dbgcKdCtxPktManipulate64ReadCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2559 | {
|
---|
2560 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2561 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
2562 | uint8_t abResp[sizeof(NTKCONTEXT64)];
|
---|
2563 | uint32_t cbData = 0;
|
---|
2564 | RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
|
---|
2565 | RT_ZERO(abResp);
|
---|
2566 |
|
---|
2567 | RTSGSEG aRespSegs[3];
|
---|
2568 | uint32_t cSegs = 2; /* Gets incremented when read is successful. */
|
---|
2569 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE;
|
---|
2570 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2571 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2572 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2573 |
|
---|
2574 | XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
|
---|
2575 | XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
|
---|
2576 |
|
---|
2577 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2578 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2579 | aRespSegs[1].pvSeg = &XferCtrlSpace64;
|
---|
2580 | aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
|
---|
2581 |
|
---|
2582 | int rc = VINF_SUCCESS;
|
---|
2583 | if (pThis->f32Bit)
|
---|
2584 | {
|
---|
2585 | if (pPktManip->u.XferCtrlSpace.u64IdXfer == sizeof(NTCONTEXT32))
|
---|
2586 | {
|
---|
2587 | /* Queries the kernel context. */
|
---|
2588 | rc = dbgcKdCtxQueryNtKCtx32(pThis, RespHdr.idCpu, (PNTKCONTEXT32)&abResp[0]);
|
---|
2589 | if (RT_SUCCESS(rc))
|
---|
2590 | cbData = sizeof(NTKCONTEXT32);
|
---|
2591 | }
|
---|
2592 | }
|
---|
2593 | else
|
---|
2594 | {
|
---|
2595 | switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
|
---|
2596 | {
|
---|
2597 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
|
---|
2598 | {
|
---|
2599 | if (pThis->pIfWinNt)
|
---|
2600 | {
|
---|
2601 | RTGCUINTPTR GCPtrKpcr = 0;
|
---|
2602 |
|
---|
2603 | rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, RespHdr.idCpu,
|
---|
2604 | &GCPtrKpcr, NULL /*pKpcrb*/);
|
---|
2605 | if (RT_SUCCESS(rc))
|
---|
2606 | memcpy(&abResp[0], &GCPtrKpcr, sizeof(GCPtrKpcr));
|
---|
2607 | }
|
---|
2608 |
|
---|
2609 | cbData = sizeof(RTGCUINTPTR);
|
---|
2610 | break;
|
---|
2611 | }
|
---|
2612 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
|
---|
2613 | {
|
---|
2614 | if (pThis->pIfWinNt)
|
---|
2615 | {
|
---|
2616 | RTGCUINTPTR GCPtrKpcrb = 0;
|
---|
2617 |
|
---|
2618 | rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, RespHdr.idCpu,
|
---|
2619 | NULL /*pKpcr*/, &GCPtrKpcrb);
|
---|
2620 | if (RT_SUCCESS(rc))
|
---|
2621 | memcpy(&abResp[0], &GCPtrKpcrb, sizeof(GCPtrKpcrb));
|
---|
2622 | }
|
---|
2623 |
|
---|
2624 | cbData = sizeof(RTGCUINTPTR);
|
---|
2625 | break;
|
---|
2626 | }
|
---|
2627 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
|
---|
2628 | {
|
---|
2629 | rc = dbgcKdCtxQueryNtKCtx64(pThis, RespHdr.idCpu, (PNTKCONTEXT64)&abResp[0], NTCONTEXT64_F_FULL);
|
---|
2630 | if (RT_SUCCESS(rc))
|
---|
2631 | cbData = sizeof(NTKCONTEXT64);
|
---|
2632 | break;
|
---|
2633 | }
|
---|
2634 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
|
---|
2635 | {
|
---|
2636 | if (pThis->pIfWinNt)
|
---|
2637 | {
|
---|
2638 | RTGCUINTPTR GCPtrCurThrd = 0;
|
---|
2639 |
|
---|
2640 | rc = pThis->pIfWinNt->pfnQueryCurThrdForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, RespHdr.idCpu,
|
---|
2641 | &GCPtrCurThrd);
|
---|
2642 | if (RT_SUCCESS(rc))
|
---|
2643 | memcpy(&abResp[0], &GCPtrCurThrd, sizeof(GCPtrCurThrd));
|
---|
2644 | }
|
---|
2645 |
|
---|
2646 | cbData = sizeof(RTGCUINTPTR);
|
---|
2647 | break;
|
---|
2648 | }
|
---|
2649 | default:
|
---|
2650 | rc = VERR_NOT_SUPPORTED;
|
---|
2651 | break;
|
---|
2652 | }
|
---|
2653 | }
|
---|
2654 |
|
---|
2655 | if ( RT_SUCCESS(rc)
|
---|
2656 | && cbData)
|
---|
2657 | {
|
---|
2658 | XferCtrlSpace64.cbXfered = RT_MIN(cbData, XferCtrlSpace64.cbXferReq);
|
---|
2659 |
|
---|
2660 | cSegs++;
|
---|
2661 | aRespSegs[2].pvSeg = &abResp[0];
|
---|
2662 | aRespSegs[2].cbSeg = cbData;
|
---|
2663 | }
|
---|
2664 | else if (RT_FAILURE(rc))
|
---|
2665 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2666 |
|
---|
2667 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2668 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2669 | }
|
---|
2670 |
|
---|
2671 |
|
---|
2672 | /**
|
---|
2673 | * Processes a write control space 64 request.
|
---|
2674 | *
|
---|
2675 | * @returns VBox status code.
|
---|
2676 | * @param pThis The KD context.
|
---|
2677 | * @param pPktManip The manipulate packet request.
|
---|
2678 | */
|
---|
2679 | static int dbgcKdCtxPktManipulate64WriteCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2680 | {
|
---|
2681 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2682 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
2683 | uint32_t cbData = 0;
|
---|
2684 | RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
|
---|
2685 |
|
---|
2686 | RTSGSEG aRespSegs[2];
|
---|
2687 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE;
|
---|
2688 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2689 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2690 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2691 |
|
---|
2692 | XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
|
---|
2693 | XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
|
---|
2694 |
|
---|
2695 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2696 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2697 | aRespSegs[1].pvSeg = &XferCtrlSpace64;
|
---|
2698 | aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
|
---|
2699 |
|
---|
2700 | int rc = VINF_SUCCESS;
|
---|
2701 | switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
|
---|
2702 | {
|
---|
2703 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
|
---|
2704 | {
|
---|
2705 | PCNTKCONTEXT64 pNtKCtx = (PCNTKCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
2706 | rc = dbgcKdCtxSetNtKCtx64(pThis, RespHdr.idCpu, pNtKCtx, XferCtrlSpace64.cbXferReq);
|
---|
2707 | if (RT_SUCCESS(rc))
|
---|
2708 | cbData = RT_MIN(XferCtrlSpace64.cbXferReq, sizeof(NTKCONTEXT64));
|
---|
2709 | break;
|
---|
2710 | }
|
---|
2711 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
|
---|
2712 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
|
---|
2713 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
|
---|
2714 | default:
|
---|
2715 | rc = VERR_NOT_SUPPORTED;
|
---|
2716 | break;
|
---|
2717 | }
|
---|
2718 |
|
---|
2719 | if (RT_FAILURE(rc))
|
---|
2720 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
2721 | else
|
---|
2722 | XferCtrlSpace64.cbXfered = cbData;
|
---|
2723 |
|
---|
2724 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2725 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2726 | }
|
---|
2727 |
|
---|
2728 |
|
---|
2729 | /**
|
---|
2730 | * Processes a restore breakpoint 64 request.
|
---|
2731 | *
|
---|
2732 | * @returns VBox status code.
|
---|
2733 | * @param pThis The KD context.
|
---|
2734 | * @param pPktManip The manipulate packet request.
|
---|
2735 | */
|
---|
2736 | static int dbgcKdCtxPktManipulate64RestoreBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2737 | {
|
---|
2738 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2739 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
|
---|
2740 | RT_ZERO(RespHdr); RT_ZERO(RestoreBkpt64);
|
---|
2741 |
|
---|
2742 | RTSGSEG aRespSegs[2];
|
---|
2743 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT;
|
---|
2744 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2745 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2746 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2747 |
|
---|
2748 | RestoreBkpt64.u32HndBkpt = pPktManip->u.RestoreBkpt.u32HndBkpt;
|
---|
2749 |
|
---|
2750 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2751 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2752 | aRespSegs[1].pvSeg = &RestoreBkpt64;
|
---|
2753 | aRespSegs[1].cbSeg = sizeof(RestoreBkpt64);
|
---|
2754 |
|
---|
2755 | int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pPktManip->u.RestoreBkpt.u32HndBkpt);
|
---|
2756 | if ( RT_FAILURE(rc)
|
---|
2757 | && rc != VERR_DBGF_BP_NOT_FOUND)
|
---|
2758 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
2759 |
|
---|
2760 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2761 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2762 | }
|
---|
2763 |
|
---|
2764 |
|
---|
2765 | /**
|
---|
2766 | * Processes a write breakpoint 64 request.
|
---|
2767 | *
|
---|
2768 | * @returns VBox status code.
|
---|
2769 | * @param pThis The KD context.
|
---|
2770 | * @param pPktManip The manipulate packet request.
|
---|
2771 | */
|
---|
2772 | static int dbgcKdCtxPktManipulate64WriteBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2773 | {
|
---|
2774 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2775 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
|
---|
2776 | RT_ZERO(RespHdr); RT_ZERO(WriteBkpt64);
|
---|
2777 |
|
---|
2778 | RTSGSEG aRespSegs[2];
|
---|
2779 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_BKPT;
|
---|
2780 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2781 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2782 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2783 |
|
---|
2784 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2785 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2786 | aRespSegs[1].pvSeg = &WriteBkpt64;
|
---|
2787 | aRespSegs[1].cbSeg = sizeof(WriteBkpt64);
|
---|
2788 |
|
---|
2789 | WriteBkpt64.u64PtrBkpt = pPktManip->u.WriteBkpt.u64PtrBkpt;
|
---|
2790 |
|
---|
2791 | DBGFADDRESS BpAddr;
|
---|
2792 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &BpAddr, KD_PTR_GET(pThis, pPktManip->u.WriteBkpt.u64PtrBkpt));
|
---|
2793 | int rc = DBGFR3BpSetInt3(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &BpAddr,
|
---|
2794 | 1 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/, &WriteBkpt64.u32HndBkpt);
|
---|
2795 | if (RT_FAILURE(rc))
|
---|
2796 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
2797 |
|
---|
2798 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2799 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2800 | }
|
---|
2801 |
|
---|
2802 |
|
---|
2803 | /**
|
---|
2804 | * Processes a get context extended 64 request.
|
---|
2805 | *
|
---|
2806 | * @returns VBox status code.
|
---|
2807 | * @param pThis The KD context.
|
---|
2808 | * @param pPktManip The manipulate packet request.
|
---|
2809 | */
|
---|
2810 | static int dbgcKdCtxPktManipulate64GetContextEx(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2811 | {
|
---|
2812 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2813 | KDPACKETMANIPULATE_CONTEXTEX ContextEx;
|
---|
2814 | union
|
---|
2815 | {
|
---|
2816 | NTCONTEXT64 v64;
|
---|
2817 | NTCONTEXT32 v32;
|
---|
2818 | } NtCtx;
|
---|
2819 | RT_ZERO(RespHdr); RT_ZERO(ContextEx); RT_ZERO(NtCtx);
|
---|
2820 |
|
---|
2821 | RTSGSEG aRespSegs[3];
|
---|
2822 | uint32_t cSegs = 2;
|
---|
2823 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX;
|
---|
2824 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2825 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2826 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
2827 |
|
---|
2828 | ContextEx.offStart = pPktManip->u.ContextEx.offStart;
|
---|
2829 | ContextEx.cbXfer = pPktManip->u.ContextEx.cbXfer;
|
---|
2830 | ContextEx.cbXfered = 0;
|
---|
2831 |
|
---|
2832 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2833 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2834 | aRespSegs[1].pvSeg = &ContextEx;
|
---|
2835 | aRespSegs[1].cbSeg = sizeof(ContextEx);
|
---|
2836 |
|
---|
2837 | int rc = VINF_SUCCESS;
|
---|
2838 | uint32_t cbCtx = pThis->f32Bit ? sizeof(NtCtx.v32) : sizeof(NtCtx.v64);
|
---|
2839 | if (pThis->f32Bit)
|
---|
2840 | dbgcKdCtxQueryNtCtx32(pThis, pPktManip->Hdr.idCpu, &NtCtx.v32, NTCONTEXT32_F_FULL);
|
---|
2841 | else
|
---|
2842 | dbgcKdCtxQueryNtCtx64(pThis, pPktManip->Hdr.idCpu, &NtCtx.v64, NTCONTEXT64_F_FULL);
|
---|
2843 | if ( RT_SUCCESS(rc)
|
---|
2844 | && pPktManip->u.ContextEx.offStart < cbCtx)
|
---|
2845 | {
|
---|
2846 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2847 | ContextEx.cbXfered = RT_MIN(cbCtx - ContextEx.offStart, ContextEx.cbXfer);
|
---|
2848 |
|
---|
2849 | aRespSegs[2].pvSeg = (uint8_t *)&NtCtx + ContextEx.offStart;
|
---|
2850 | aRespSegs[2].cbSeg = ContextEx.cbXfered;
|
---|
2851 | cSegs++;
|
---|
2852 | }
|
---|
2853 |
|
---|
2854 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2855 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
2856 | }
|
---|
2857 |
|
---|
2858 |
|
---|
2859 | /**
|
---|
2860 | * Processes a query memory 64 request.
|
---|
2861 | *
|
---|
2862 | * @returns VBox status code.
|
---|
2863 | * @param pThis The KD context.
|
---|
2864 | * @param pPktManip The manipulate packet request.
|
---|
2865 | */
|
---|
2866 | static int dbgcKdCtxPktManipulate64QueryMemory(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
2867 | {
|
---|
2868 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2869 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
2870 | RT_ZERO(RespHdr); RT_ZERO(QueryMemory);
|
---|
2871 |
|
---|
2872 | RTSGSEG aRespSegs[2];
|
---|
2873 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY;
|
---|
2874 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2875 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2876 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
2877 |
|
---|
2878 | /** @todo Need DBGF API to query protection and privilege level from guest page tables. */
|
---|
2879 | QueryMemory.u64GCPtr = pPktManip->u.QueryMemory.u64GCPtr;
|
---|
2880 | QueryMemory.u32AddrSpace = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL;
|
---|
2881 | QueryMemory.u32Flags = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ
|
---|
2882 | | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE
|
---|
2883 | | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC;
|
---|
2884 |
|
---|
2885 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
2886 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
2887 | aRespSegs[1].pvSeg = &QueryMemory;
|
---|
2888 | aRespSegs[1].cbSeg = sizeof(QueryMemory);
|
---|
2889 |
|
---|
2890 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2891 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
2892 | }
|
---|
2893 |
|
---|
2894 |
|
---|
2895 | /**
|
---|
2896 | * Processes a manipulate packet.
|
---|
2897 | *
|
---|
2898 | * @returns VBox status code.
|
---|
2899 | * @param pThis The KD context.
|
---|
2900 | */
|
---|
2901 | static int dbgcKdCtxPktManipulate64Process(PKDCTX pThis)
|
---|
2902 | {
|
---|
2903 | int rc = VINF_SUCCESS;
|
---|
2904 | PCKDPACKETMANIPULATE64 pPktManip = (PCKDPACKETMANIPULATE64)&pThis->abBody[0];
|
---|
2905 |
|
---|
2906 | switch (pPktManip->Hdr.idReq)
|
---|
2907 | {
|
---|
2908 | case KD_PACKET_MANIPULATE_REQ_GET_VERSION:
|
---|
2909 | {
|
---|
2910 | rc = dbgcKdCtxPktManipulate64GetVersion(pThis, pPktManip);
|
---|
2911 | break;
|
---|
2912 | }
|
---|
2913 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
|
---|
2914 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
|
---|
2915 | {
|
---|
2916 | rc = dbgcKdCtxPktManipulate64ReadMem(pThis, pPktManip);
|
---|
2917 | break;
|
---|
2918 | }
|
---|
2919 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
|
---|
2920 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
|
---|
2921 | {
|
---|
2922 | rc = dbgcKdCtxPktManipulate64WriteMem(pThis, pPktManip);
|
---|
2923 | break;
|
---|
2924 | }
|
---|
2925 | case KD_PACKET_MANIPULATE_REQ_CONTINUE:
|
---|
2926 | {
|
---|
2927 | rc = dbgcKdCtxPktManipulate64Continue(pThis, pPktManip);
|
---|
2928 | break;
|
---|
2929 | }
|
---|
2930 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
|
---|
2931 | {
|
---|
2932 | rc = dbgcKdCtxPktManipulate64Continue2(pThis, pPktManip);
|
---|
2933 | break;
|
---|
2934 | }
|
---|
2935 | case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT:
|
---|
2936 | {
|
---|
2937 | rc = dbgcKdCtxPktManipulate64SetContext(pThis, pPktManip);
|
---|
2938 | break;
|
---|
2939 | }
|
---|
2940 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
|
---|
2941 | {
|
---|
2942 | rc = dbgcKdCtxPktManipulate64ReadCtrlSpace(pThis, pPktManip);
|
---|
2943 | break;
|
---|
2944 | }
|
---|
2945 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
|
---|
2946 | {
|
---|
2947 | rc = dbgcKdCtxPktManipulate64WriteCtrlSpace(pThis, pPktManip);
|
---|
2948 | break;
|
---|
2949 | }
|
---|
2950 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
|
---|
2951 | {
|
---|
2952 | rc = dbgcKdCtxPktManipulate64RestoreBkpt(pThis, pPktManip);
|
---|
2953 | break;
|
---|
2954 | }
|
---|
2955 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
|
---|
2956 | {
|
---|
2957 | rc = dbgcKdCtxPktManipulate64WriteBkpt(pThis, pPktManip);
|
---|
2958 | break;
|
---|
2959 | }
|
---|
2960 | case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT:
|
---|
2961 | /* WinDbg doesn't seem to expect an answer apart from the ACK here. */
|
---|
2962 | break;
|
---|
2963 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
|
---|
2964 | {
|
---|
2965 | rc = dbgcKdCtxPktManipulate64GetContextEx(pThis, pPktManip);
|
---|
2966 | break;
|
---|
2967 | }
|
---|
2968 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
|
---|
2969 | {
|
---|
2970 | rc = dbgcKdCtxPktManipulate64QueryMemory(pThis, pPktManip);
|
---|
2971 | break;
|
---|
2972 | }
|
---|
2973 | default:
|
---|
2974 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
2975 | RT_ZERO(RespHdr);
|
---|
2976 |
|
---|
2977 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
2978 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
2979 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
2980 | RespHdr.u32NtStatus = NTSTATUS_NOT_IMPLEMENTED;
|
---|
2981 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
2982 | &RespHdr, sizeof(RespHdr), true /*fAck*/);
|
---|
2983 | break;
|
---|
2984 | }
|
---|
2985 |
|
---|
2986 | return rc;
|
---|
2987 | }
|
---|
2988 |
|
---|
2989 |
|
---|
2990 | /**
|
---|
2991 | * Processes a fully received packet.
|
---|
2992 | *
|
---|
2993 | * @returns VBox status code.
|
---|
2994 | * @param pThis The KD context.
|
---|
2995 | */
|
---|
2996 | static int dbgcKdCtxPktProcess(PKDCTX pThis)
|
---|
2997 | {
|
---|
2998 | int rc = VINF_SUCCESS;
|
---|
2999 |
|
---|
3000 | pThis->fBreakinRecv = false;
|
---|
3001 |
|
---|
3002 | /* Verify checksum. */
|
---|
3003 | if (dbgcKdPktChkSumGen(&pThis->abBody[0], pThis->PktHdr.Fields.cbBody) == pThis->PktHdr.Fields.u32ChkSum)
|
---|
3004 | {
|
---|
3005 | /** @todo Check packet id. */
|
---|
3006 | if (pThis->PktHdr.Fields.u16SubType != KD_PACKET_HDR_SUB_TYPE_RESET)
|
---|
3007 | {
|
---|
3008 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
|
---|
3009 | rc = dbgcKdCtxPktSendAck(pThis);
|
---|
3010 | }
|
---|
3011 | if (RT_SUCCESS(rc))
|
---|
3012 | {
|
---|
3013 | #ifdef LOG_ENABLED
|
---|
3014 | RTSGSEG Seg;
|
---|
3015 | Seg.pvSeg = &pThis->abBody[0];
|
---|
3016 | Seg.cbSeg = pThis->PktHdr.Fields.cbBody;
|
---|
3017 | dbgcKdPktDump(&pThis->PktHdr.Fields, &Seg, 1 /*cSegs*/, true /*fRx*/);
|
---|
3018 | #endif
|
---|
3019 |
|
---|
3020 | switch (pThis->PktHdr.Fields.u16SubType)
|
---|
3021 | {
|
---|
3022 | case KD_PACKET_HDR_SUB_TYPE_RESET:
|
---|
3023 | {
|
---|
3024 | pThis->idPktNext = 0;
|
---|
3025 | rc = dbgcKdCtxPktSendReset(pThis);
|
---|
3026 | if (RT_SUCCESS(rc))
|
---|
3027 | {
|
---|
3028 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3029 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
3030 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
3031 | }
|
---|
3032 | pThis->idPktNext = KD_PACKET_HDR_ID_RESET;
|
---|
3033 | break;
|
---|
3034 | }
|
---|
3035 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
|
---|
3036 | {
|
---|
3037 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
|
---|
3038 | rc = dbgcKdCtxPktManipulate64Process(pThis);
|
---|
3039 | break;
|
---|
3040 | }
|
---|
3041 | case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE:
|
---|
3042 | case KD_PACKET_HDR_SUB_TYPE_RESEND:
|
---|
3043 | {
|
---|
3044 | /* Don't do anything. */
|
---|
3045 | rc = VINF_SUCCESS;
|
---|
3046 | break;
|
---|
3047 | }
|
---|
3048 | default:
|
---|
3049 | rc = VERR_NOT_IMPLEMENTED;
|
---|
3050 | }
|
---|
3051 | }
|
---|
3052 | }
|
---|
3053 | else
|
---|
3054 | {
|
---|
3055 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
|
---|
3056 | rc = dbgcKdCtxPktSendResend(pThis);
|
---|
3057 | }
|
---|
3058 |
|
---|
3059 | if (pThis->fBreakinRecv)
|
---|
3060 | {
|
---|
3061 | pThis->fBreakinRecv = false;
|
---|
3062 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3063 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
3064 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
3065 | }
|
---|
3066 |
|
---|
3067 | /* Next packet. */
|
---|
3068 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3069 | return rc;
|
---|
3070 | }
|
---|
3071 |
|
---|
3072 |
|
---|
3073 | /**
|
---|
3074 | * Processes the received data based on the current state.
|
---|
3075 | *
|
---|
3076 | * @returns VBox status code.
|
---|
3077 | * @param pThis The KD context.
|
---|
3078 | */
|
---|
3079 | static int dbgcKdCtxRecvDataProcess(PKDCTX pThis)
|
---|
3080 | {
|
---|
3081 | int rc = VINF_SUCCESS;
|
---|
3082 |
|
---|
3083 | switch (pThis->enmState)
|
---|
3084 | {
|
---|
3085 | case KDRECVSTATE_PACKET_HDR_FIRST_BYTE:
|
---|
3086 | {
|
---|
3087 | /* Does it look like a valid packet start?. */
|
---|
3088 | if ( pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_DATA_BYTE
|
---|
3089 | || pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE)
|
---|
3090 | {
|
---|
3091 | pThis->pbRecv = &pThis->PktHdr.ab[1];
|
---|
3092 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
|
---|
3093 | pThis->enmState = KDRECVSTATE_PACKET_HDR_SECOND_BYTE;
|
---|
3094 | pThis->msRecvTimeout = DBGC_KD_RECV_TIMEOUT_MS;
|
---|
3095 | }
|
---|
3096 | else if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
3097 | {
|
---|
3098 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3099 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
3100 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
3101 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3102 | }
|
---|
3103 | /* else: Ignore and continue. */
|
---|
3104 | break;
|
---|
3105 | }
|
---|
3106 | case KDRECVSTATE_PACKET_HDR_SECOND_BYTE:
|
---|
3107 | {
|
---|
3108 | /*
|
---|
3109 | * If the first and second byte differ there might be a single breakin
|
---|
3110 | * packet byte received and this is actually the start of a new packet.
|
---|
3111 | */
|
---|
3112 | if (pThis->PktHdr.ab[0] != pThis->PktHdr.ab[1])
|
---|
3113 | {
|
---|
3114 | if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
3115 | {
|
---|
3116 | /* Halt the VM and rearrange the packet receiving state machine. */
|
---|
3117 | LogFlow(("DbgKd: Halting VM!\n"));
|
---|
3118 |
|
---|
3119 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3120 | pThis->PktHdr.ab[0] = pThis->PktHdr.ab[1]; /* Overwrite the first byte with the new start. */
|
---|
3121 | pThis->pbRecv = &pThis->PktHdr.ab[1];
|
---|
3122 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
|
---|
3123 | }
|
---|
3124 | else
|
---|
3125 | rc = VERR_NET_PROTOCOL_ERROR; /* Refuse talking to the remote end any further. */
|
---|
3126 | }
|
---|
3127 | else
|
---|
3128 | {
|
---|
3129 | /* Normal packet receive continues with the rest of the header. */
|
---|
3130 | pThis->pbRecv = &pThis->PktHdr.ab[2];
|
---|
3131 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.Fields) - 2;
|
---|
3132 | pThis->enmState = KDRECVSTATE_PACKET_HDR;
|
---|
3133 | }
|
---|
3134 | break;
|
---|
3135 | }
|
---|
3136 | case KDRECVSTATE_PACKET_HDR:
|
---|
3137 | {
|
---|
3138 | if ( dbgcKdPktHdrValidate(&pThis->PktHdr.Fields)
|
---|
3139 | && pThis->PktHdr.Fields.cbBody <= sizeof(pThis->abBody))
|
---|
3140 | {
|
---|
3141 | /* Start receiving the body. */
|
---|
3142 | if (pThis->PktHdr.Fields.cbBody)
|
---|
3143 | {
|
---|
3144 | pThis->pbRecv = &pThis->abBody[0];
|
---|
3145 | pThis->cbRecvLeft = pThis->PktHdr.Fields.cbBody;
|
---|
3146 | pThis->enmState = KDRECVSTATE_PACKET_BODY;
|
---|
3147 | }
|
---|
3148 | else /* No body means no trailer byte it looks like. */
|
---|
3149 | rc = dbgcKdCtxPktProcess(pThis);
|
---|
3150 | }
|
---|
3151 | else
|
---|
3152 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
3153 | break;
|
---|
3154 | }
|
---|
3155 | case KDRECVSTATE_PACKET_BODY:
|
---|
3156 | {
|
---|
3157 | pThis->enmState = KDRECVSTATE_PACKET_TRAILER;
|
---|
3158 | pThis->bTrailer = 0;
|
---|
3159 | pThis->pbRecv = &pThis->bTrailer;
|
---|
3160 | pThis->cbRecvLeft = sizeof(pThis->bTrailer);
|
---|
3161 | break;
|
---|
3162 | }
|
---|
3163 | case KDRECVSTATE_PACKET_TRAILER:
|
---|
3164 | {
|
---|
3165 | if (pThis->bTrailer == KD_PACKET_TRAILING_BYTE)
|
---|
3166 | rc = dbgcKdCtxPktProcess(pThis);
|
---|
3167 | else
|
---|
3168 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
3169 | break;
|
---|
3170 | }
|
---|
3171 | default:
|
---|
3172 | AssertMsgFailed(("Invalid receive state %d\n", pThis->enmState));
|
---|
3173 | }
|
---|
3174 |
|
---|
3175 | return rc;
|
---|
3176 | }
|
---|
3177 |
|
---|
3178 |
|
---|
3179 | /**
|
---|
3180 | * Receive data and processes complete packets.
|
---|
3181 | *
|
---|
3182 | * @returns Status code.
|
---|
3183 | * @param pThis The KD context.
|
---|
3184 | */
|
---|
3185 | static int dbgcKdCtxRecv(PKDCTX pThis)
|
---|
3186 | {
|
---|
3187 | int rc = VINF_SUCCESS;
|
---|
3188 |
|
---|
3189 | LogFlowFunc(("pThis=%p{.cbRecvLeft=%zu}\n", pThis, pThis->cbRecvLeft));
|
---|
3190 |
|
---|
3191 | if (pThis->cbRecvLeft)
|
---|
3192 | {
|
---|
3193 | size_t cbRead = 0;
|
---|
3194 | rc = pThis->Dbgc.pBack->pfnRead(pThis->Dbgc.pBack, pThis->pbRecv, pThis->cbRecvLeft, &cbRead);
|
---|
3195 | if (RT_SUCCESS(rc))
|
---|
3196 | {
|
---|
3197 | pThis->tsRecvLast = RTTimeMilliTS();
|
---|
3198 | pThis->cbRecvLeft -= cbRead;
|
---|
3199 | pThis->pbRecv += cbRead;
|
---|
3200 | if (!pThis->cbRecvLeft)
|
---|
3201 | rc = dbgcKdCtxRecvDataProcess(pThis);
|
---|
3202 | }
|
---|
3203 | }
|
---|
3204 |
|
---|
3205 | LogFlowFunc(("returns rc=%Rrc\n", rc));
|
---|
3206 | return rc;
|
---|
3207 | }
|
---|
3208 |
|
---|
3209 |
|
---|
3210 | /**
|
---|
3211 | * Processes debugger events.
|
---|
3212 | *
|
---|
3213 | * @returns VBox status code.
|
---|
3214 | * @param pThis The KD context data.
|
---|
3215 | * @param pEvent Pointer to event data.
|
---|
3216 | */
|
---|
3217 | static int dbgcKdCtxProcessEvent(PKDCTX pThis, PCDBGFEVENT pEvent)
|
---|
3218 | {
|
---|
3219 | /*
|
---|
3220 | * Process the event.
|
---|
3221 | */
|
---|
3222 | PDBGC pDbgc = &pThis->Dbgc;
|
---|
3223 | pThis->Dbgc.pszScratch = &pThis->Dbgc.achInput[0];
|
---|
3224 | pThis->Dbgc.iArg = 0;
|
---|
3225 | int rc = VINF_SUCCESS;
|
---|
3226 | VMCPUID idCpuOld = pDbgc->idCpu;
|
---|
3227 | pDbgc->idCpu = pEvent->idCpu;
|
---|
3228 | switch (pEvent->enmType)
|
---|
3229 | {
|
---|
3230 | /*
|
---|
3231 | * The first part is events we have initiated with commands.
|
---|
3232 | */
|
---|
3233 | case DBGFEVENT_HALT_DONE:
|
---|
3234 | {
|
---|
3235 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
3236 | break;
|
---|
3237 | }
|
---|
3238 |
|
---|
3239 | /*
|
---|
3240 | * The second part is events which can occur at any time.
|
---|
3241 | */
|
---|
3242 | case DBGFEVENT_FATAL_ERROR:
|
---|
3243 | {
|
---|
3244 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbf event: Fatal error! (%s)\n",
|
---|
3245 | dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3246 | if (RT_SUCCESS(rc))
|
---|
3247 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3248 | break;
|
---|
3249 | }
|
---|
3250 |
|
---|
3251 | case DBGFEVENT_BREAKPOINT:
|
---|
3252 | case DBGFEVENT_BREAKPOINT_IO:
|
---|
3253 | case DBGFEVENT_BREAKPOINT_MMIO:
|
---|
3254 | case DBGFEVENT_BREAKPOINT_HYPER:
|
---|
3255 | {
|
---|
3256 | rc = dbgcBpExec(pDbgc, pEvent->u.Bp.iBp);
|
---|
3257 | switch (rc)
|
---|
3258 | {
|
---|
3259 | case VERR_DBGC_BP_NOT_FOUND:
|
---|
3260 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Unknown breakpoint %u! (%s)\n",
|
---|
3261 | pEvent->u.Bp.iBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3262 | break;
|
---|
3263 |
|
---|
3264 | case VINF_DBGC_BP_NO_COMMAND:
|
---|
3265 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! (%s)\n",
|
---|
3266 | pEvent->u.Bp.iBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3267 | break;
|
---|
3268 |
|
---|
3269 | case VINF_BUFFER_OVERFLOW:
|
---|
3270 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! Command too long to execute! (%s)\n",
|
---|
3271 | pEvent->u.Bp.iBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
3272 | break;
|
---|
3273 |
|
---|
3274 | default:
|
---|
3275 | break;
|
---|
3276 | }
|
---|
3277 | if (RT_SUCCESS(rc) && DBGFR3IsHalted(pDbgc->pUVM, VMCPUID_ALL))
|
---|
3278 | {
|
---|
3279 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3280 |
|
---|
3281 | /* Set the resume flag to ignore the breakpoint when resuming execution. */
|
---|
3282 | if ( RT_SUCCESS(rc)
|
---|
3283 | && pEvent->enmType == DBGFEVENT_BREAKPOINT)
|
---|
3284 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r eflags.rf = 1");
|
---|
3285 | }
|
---|
3286 |
|
---|
3287 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
3288 | break;
|
---|
3289 | }
|
---|
3290 |
|
---|
3291 | case DBGFEVENT_STEPPED:
|
---|
3292 | case DBGFEVENT_STEPPED_HYPER:
|
---|
3293 | {
|
---|
3294 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
3295 | break;
|
---|
3296 | }
|
---|
3297 |
|
---|
3298 | case DBGFEVENT_ASSERTION_HYPER:
|
---|
3299 | {
|
---|
3300 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
3301 | "\ndbgf event: Hypervisor Assertion! (%s)\n"
|
---|
3302 | "%s"
|
---|
3303 | "%s"
|
---|
3304 | "\n",
|
---|
3305 | dbgcGetEventCtx(pEvent->enmCtx),
|
---|
3306 | pEvent->u.Assert.pszMsg1,
|
---|
3307 | pEvent->u.Assert.pszMsg2);
|
---|
3308 | if (RT_SUCCESS(rc))
|
---|
3309 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3310 | break;
|
---|
3311 | }
|
---|
3312 |
|
---|
3313 | case DBGFEVENT_DEV_STOP:
|
---|
3314 | {
|
---|
3315 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
3316 | "\n"
|
---|
3317 | "dbgf event: DBGFSTOP (%s)\n"
|
---|
3318 | "File: %s\n"
|
---|
3319 | "Line: %d\n"
|
---|
3320 | "Function: %s\n",
|
---|
3321 | dbgcGetEventCtx(pEvent->enmCtx),
|
---|
3322 | pEvent->u.Src.pszFile,
|
---|
3323 | pEvent->u.Src.uLine,
|
---|
3324 | pEvent->u.Src.pszFunction);
|
---|
3325 | if (RT_SUCCESS(rc) && pEvent->u.Src.pszMessage && *pEvent->u.Src.pszMessage)
|
---|
3326 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
3327 | "Message: %s\n",
|
---|
3328 | pEvent->u.Src.pszMessage);
|
---|
3329 | if (RT_SUCCESS(rc))
|
---|
3330 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
3331 | break;
|
---|
3332 | }
|
---|
3333 |
|
---|
3334 |
|
---|
3335 | case DBGFEVENT_INVALID_COMMAND:
|
---|
3336 | {
|
---|
3337 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Invalid command event!\n");
|
---|
3338 | break;
|
---|
3339 | }
|
---|
3340 |
|
---|
3341 | case DBGFEVENT_POWERING_OFF:
|
---|
3342 | {
|
---|
3343 | pThis->Dbgc.fReady = false;
|
---|
3344 | pThis->Dbgc.pBack->pfnSetReady(pThis->Dbgc.pBack, false);
|
---|
3345 | rc = VERR_GENERAL_FAILURE;
|
---|
3346 | break;
|
---|
3347 | }
|
---|
3348 |
|
---|
3349 | default:
|
---|
3350 | {
|
---|
3351 | /*
|
---|
3352 | * Probably a generic event. Look it up to find its name.
|
---|
3353 | */
|
---|
3354 | PCDBGCSXEVT pEvtDesc = dbgcEventLookup(pEvent->enmType);
|
---|
3355 | if (pEvtDesc)
|
---|
3356 | {
|
---|
3357 | if (pEvtDesc->enmKind == kDbgcSxEventKind_Interrupt)
|
---|
3358 | {
|
---|
3359 | Assert(pEvtDesc->pszDesc);
|
---|
3360 | Assert(pEvent->u.Generic.cArgs == 1);
|
---|
3361 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s no %#llx! (%s)\n",
|
---|
3362 | pEvtDesc->pszDesc, pEvent->u.Generic.auArgs[0], pEvtDesc->pszName);
|
---|
3363 | }
|
---|
3364 | else if (pEvtDesc->fFlags & DBGCSXEVT_F_BUGCHECK)
|
---|
3365 | {
|
---|
3366 | Assert(pEvent->u.Generic.cArgs >= 5);
|
---|
3367 | char szDetails[512];
|
---|
3368 | DBGFR3FormatBugCheck(pDbgc->pUVM, szDetails, sizeof(szDetails), pEvent->u.Generic.auArgs[0],
|
---|
3369 | pEvent->u.Generic.auArgs[1], pEvent->u.Generic.auArgs[2],
|
---|
3370 | pEvent->u.Generic.auArgs[3], pEvent->u.Generic.auArgs[4]);
|
---|
3371 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s %s%s!\n%s", pEvtDesc->pszName,
|
---|
3372 | pEvtDesc->pszDesc ? "- " : "", pEvtDesc->pszDesc ? pEvtDesc->pszDesc : "",
|
---|
3373 | szDetails);
|
---|
3374 | }
|
---|
3375 | else if ( (pEvtDesc->fFlags & DBGCSXEVT_F_TAKE_ARG)
|
---|
3376 | || pEvent->u.Generic.cArgs > 1
|
---|
3377 | || ( pEvent->u.Generic.cArgs == 1
|
---|
3378 | && pEvent->u.Generic.auArgs[0] != 0))
|
---|
3379 | {
|
---|
3380 | if (pEvtDesc->pszDesc)
|
---|
3381 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!",
|
---|
3382 | pEvtDesc->pszName, pEvtDesc->pszDesc);
|
---|
3383 | else
|
---|
3384 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!", pEvtDesc->pszName);
|
---|
3385 | if (pEvent->u.Generic.cArgs <= 1)
|
---|
3386 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " arg=%#llx\n", pEvent->u.Generic.auArgs[0]);
|
---|
3387 | else
|
---|
3388 | {
|
---|
3389 | for (uint32_t i = 0; i < pEvent->u.Generic.cArgs; i++)
|
---|
3390 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " args[%u]=%#llx", i, pEvent->u.Generic.auArgs[i]);
|
---|
3391 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\n");
|
---|
3392 | }
|
---|
3393 | }
|
---|
3394 | else
|
---|
3395 | {
|
---|
3396 | if (pEvtDesc->pszDesc)
|
---|
3397 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!\n",
|
---|
3398 | pEvtDesc->pszName, pEvtDesc->pszDesc);
|
---|
3399 | else
|
---|
3400 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!\n", pEvtDesc->pszName);
|
---|
3401 | }
|
---|
3402 | }
|
---|
3403 | else
|
---|
3404 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Unknown event %d!\n", pEvent->enmType);
|
---|
3405 | break;
|
---|
3406 | }
|
---|
3407 | }
|
---|
3408 |
|
---|
3409 | pDbgc->idCpu = idCpuOld;
|
---|
3410 | return rc;
|
---|
3411 | }
|
---|
3412 |
|
---|
3413 |
|
---|
3414 | /**
|
---|
3415 | * Handle a receive timeout.
|
---|
3416 | *
|
---|
3417 | * @returns VBox status code.
|
---|
3418 | * @param pThis Pointer to the KD context.
|
---|
3419 | */
|
---|
3420 | static int dbgcKdCtxRecvTimeout(PKDCTX pThis)
|
---|
3421 | {
|
---|
3422 | int rc = VINF_SUCCESS;
|
---|
3423 |
|
---|
3424 | LogFlowFunc(("pThis=%p\n", pThis));
|
---|
3425 |
|
---|
3426 | /*
|
---|
3427 | * If a single breakin packet byte was received but the header is otherwise incomplete
|
---|
3428 | * the VM is halted and a state change will be sent in the event processing loop.
|
---|
3429 | */
|
---|
3430 | if ( pThis->enmState == KDRECVSTATE_PACKET_HDR_SECOND_BYTE
|
---|
3431 | && pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
3432 | {
|
---|
3433 | LogFlow(("DbgKd: Halting VM!\n"));
|
---|
3434 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
3435 | }
|
---|
3436 | else /* Send a reset packet (@todo Figure out the semantics in this case exactly). */
|
---|
3437 | rc = dbgcKdCtxPktSendReset(pThis);
|
---|
3438 |
|
---|
3439 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3440 |
|
---|
3441 | LogFlowFunc(("rc=%Rrc\n", rc));
|
---|
3442 | return rc;
|
---|
3443 | }
|
---|
3444 |
|
---|
3445 |
|
---|
3446 | /**
|
---|
3447 | * @copydoc DBGC::pfnOutput
|
---|
3448 | */
|
---|
3449 | static DECLCALLBACK(int) dbgcKdOutput(void *pvUser, const char *pachChars, size_t cbChars)
|
---|
3450 | {
|
---|
3451 | PKDCTX pThis = (PKDCTX)pvUser;
|
---|
3452 |
|
---|
3453 | return dbgcKdCtxDebugIoStrSend(pThis, pThis->Dbgc.idCpu, pachChars, cbChars);
|
---|
3454 | }
|
---|
3455 |
|
---|
3456 |
|
---|
3457 | /**
|
---|
3458 | * Run the debugger console.
|
---|
3459 | *
|
---|
3460 | * @returns VBox status code.
|
---|
3461 | * @param pThis Pointer to the KD context.
|
---|
3462 | */
|
---|
3463 | int dbgcKdRun(PKDCTX pThis)
|
---|
3464 | {
|
---|
3465 | /*
|
---|
3466 | * We're ready for commands now.
|
---|
3467 | */
|
---|
3468 | pThis->Dbgc.fReady = true;
|
---|
3469 | pThis->Dbgc.pBack->pfnSetReady(pThis->Dbgc.pBack, true);
|
---|
3470 |
|
---|
3471 | /*
|
---|
3472 | * Main Debugger Loop.
|
---|
3473 | *
|
---|
3474 | * This loop will either block on waiting for input or on waiting on
|
---|
3475 | * debug events. If we're forwarding the log we cannot wait for long
|
---|
3476 | * before we must flush the log.
|
---|
3477 | */
|
---|
3478 | int rc;
|
---|
3479 | for (;;)
|
---|
3480 | {
|
---|
3481 | rc = VERR_SEM_OUT_OF_TURN;
|
---|
3482 | if (pThis->Dbgc.pUVM)
|
---|
3483 | rc = DBGFR3QueryWaitable(pThis->Dbgc.pUVM);
|
---|
3484 |
|
---|
3485 | if (RT_SUCCESS(rc))
|
---|
3486 | {
|
---|
3487 | /*
|
---|
3488 | * Wait for a debug event.
|
---|
3489 | */
|
---|
3490 | DBGFEVENT Evt;
|
---|
3491 | rc = DBGFR3EventWait(pThis->Dbgc.pUVM, 32, &Evt);
|
---|
3492 | if (RT_SUCCESS(rc))
|
---|
3493 | {
|
---|
3494 | rc = dbgcKdCtxProcessEvent(pThis, &Evt);
|
---|
3495 | if (RT_FAILURE(rc))
|
---|
3496 | break;
|
---|
3497 | }
|
---|
3498 | else if (rc != VERR_TIMEOUT)
|
---|
3499 | break;
|
---|
3500 |
|
---|
3501 | /*
|
---|
3502 | * Check for input.
|
---|
3503 | */
|
---|
3504 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, 0))
|
---|
3505 | {
|
---|
3506 | rc = dbgcKdCtxRecv(pThis);
|
---|
3507 | if (RT_FAILURE(rc))
|
---|
3508 | break;
|
---|
3509 | }
|
---|
3510 | }
|
---|
3511 | else if (rc == VERR_SEM_OUT_OF_TURN)
|
---|
3512 | {
|
---|
3513 | /*
|
---|
3514 | * Wait for input.
|
---|
3515 | */
|
---|
3516 | if (pThis->Dbgc.pBack->pfnInput(pThis->Dbgc.pBack, 1000))
|
---|
3517 | {
|
---|
3518 | rc = dbgcKdCtxRecv(pThis);
|
---|
3519 | if (RT_FAILURE(rc))
|
---|
3520 | break;
|
---|
3521 | }
|
---|
3522 | else if ( pThis->msRecvTimeout != RT_INDEFINITE_WAIT
|
---|
3523 | && (RTTimeMilliTS() - pThis->tsRecvLast >= pThis->msRecvTimeout))
|
---|
3524 | rc = dbgcKdCtxRecvTimeout(pThis);
|
---|
3525 | }
|
---|
3526 | else
|
---|
3527 | break;
|
---|
3528 | }
|
---|
3529 |
|
---|
3530 | return rc;
|
---|
3531 | }
|
---|
3532 |
|
---|
3533 |
|
---|
3534 | /**
|
---|
3535 | * Creates a KD context instance with the given backend.
|
---|
3536 | *
|
---|
3537 | * @returns VBox status code.
|
---|
3538 | * @param ppKdCtx Where to store the pointer to the KD stub context instance on success.
|
---|
3539 | * @param pBack The backend to use for I/O.
|
---|
3540 | * @param fFlags Flags controlling the behavior.
|
---|
3541 | */
|
---|
3542 | static int dbgcKdCtxCreate(PPKDCTX ppKdCtx, PDBGCBACK pBack, unsigned fFlags)
|
---|
3543 | {
|
---|
3544 | /*
|
---|
3545 | * Validate input.
|
---|
3546 | */
|
---|
3547 | AssertPtrReturn(pBack, VERR_INVALID_POINTER);
|
---|
3548 | AssertMsgReturn(!fFlags, ("%#x", fFlags), VERR_INVALID_PARAMETER);
|
---|
3549 |
|
---|
3550 | /*
|
---|
3551 | * Allocate and initialize.
|
---|
3552 | */
|
---|
3553 | PKDCTX pThis = (PKDCTX)RTMemAllocZ(sizeof(*pThis));
|
---|
3554 | if (!pThis)
|
---|
3555 | return VERR_NO_MEMORY;
|
---|
3556 |
|
---|
3557 | dbgcInitCmdHlp(&pThis->Dbgc);
|
---|
3558 | /*
|
---|
3559 | * This is compied from the native debug console (will be used for monitor commands)
|
---|
3560 | * in DBGCConsole.cpp. Try to keep both functions in sync.
|
---|
3561 | */
|
---|
3562 | pThis->Dbgc.pBack = pBack;
|
---|
3563 | pThis->Dbgc.pfnOutput = dbgcKdOutput;
|
---|
3564 | pThis->Dbgc.pvOutputUser = pThis;
|
---|
3565 | pThis->Dbgc.pVM = NULL;
|
---|
3566 | pThis->Dbgc.pUVM = NULL;
|
---|
3567 | pThis->Dbgc.idCpu = 0;
|
---|
3568 | pThis->Dbgc.hDbgAs = DBGF_AS_GLOBAL;
|
---|
3569 | pThis->Dbgc.pszEmulation = "CodeView/WinDbg";
|
---|
3570 | pThis->Dbgc.paEmulationCmds = &g_aCmdsCodeView[0];
|
---|
3571 | pThis->Dbgc.cEmulationCmds = g_cCmdsCodeView;
|
---|
3572 | pThis->Dbgc.paEmulationFuncs = &g_aFuncsCodeView[0];
|
---|
3573 | pThis->Dbgc.cEmulationFuncs = g_cFuncsCodeView;
|
---|
3574 | //pThis->Dbgc.fLog = false;
|
---|
3575 | pThis->Dbgc.fRegTerse = true;
|
---|
3576 | pThis->Dbgc.fStepTraceRegs = true;
|
---|
3577 | //pThis->Dbgc.cPagingHierarchyDumps = 0;
|
---|
3578 | //pThis->Dbgc.DisasmPos = {0};
|
---|
3579 | //pThis->Dbgc.SourcePos = {0};
|
---|
3580 | //pThis->Dbgc.DumpPos = {0};
|
---|
3581 | pThis->Dbgc.pLastPos = &pThis->Dbgc.DisasmPos;
|
---|
3582 | //pThis->Dbgc.cbDumpElement = 0;
|
---|
3583 | //pThis->Dbgc.cVars = 0;
|
---|
3584 | //pThis->Dbgc.paVars = NULL;
|
---|
3585 | //pThis->Dbgc.pPlugInHead = NULL;
|
---|
3586 | //pThis->Dbgc.pFirstBp = NULL;
|
---|
3587 | //pThis->Dbgc.abSearch = {0};
|
---|
3588 | //pThis->Dbgc.cbSearch = 0;
|
---|
3589 | pThis->Dbgc.cbSearchUnit = 1;
|
---|
3590 | pThis->Dbgc.cMaxSearchHits = 1;
|
---|
3591 | //pThis->Dbgc.SearchAddr = {0};
|
---|
3592 | //pThis->Dbgc.cbSearchRange = 0;
|
---|
3593 |
|
---|
3594 | //pThis->Dbgc.uInputZero = 0;
|
---|
3595 | //pThis->Dbgc.iRead = 0;
|
---|
3596 | //pThis->Dbgc.iWrite = 0;
|
---|
3597 | //pThis->Dbgc.cInputLines = 0;
|
---|
3598 | //pThis->Dbgc.fInputOverflow = false;
|
---|
3599 | pThis->Dbgc.fReady = true;
|
---|
3600 | pThis->Dbgc.pszScratch = &pThis->Dbgc.achScratch[0];
|
---|
3601 | //pThis->Dbgc.iArg = 0;
|
---|
3602 | //pThis->Dbgc.rcOutput = 0;
|
---|
3603 | //pThis->Dbgc.rcCmd = 0;
|
---|
3604 |
|
---|
3605 | //pThis->Dbgc.pszHistoryFile = NULL;
|
---|
3606 | //pThis->Dbgc.pszGlobalInitScript = NULL;
|
---|
3607 | //pThis->Dbgc.pszLocalInitScript = NULL;
|
---|
3608 |
|
---|
3609 | dbgcEvalInit();
|
---|
3610 |
|
---|
3611 | pThis->fBreakinRecv = false;
|
---|
3612 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
3613 | pThis->pIfWinNt = NULL;
|
---|
3614 | pThis->f32Bit = false;
|
---|
3615 | dbgcKdCtxPktRecvReset(pThis);
|
---|
3616 |
|
---|
3617 | *ppKdCtx = pThis;
|
---|
3618 | return VINF_SUCCESS;
|
---|
3619 | }
|
---|
3620 |
|
---|
3621 |
|
---|
3622 | /**
|
---|
3623 | * Destroys the given KD context.
|
---|
3624 | *
|
---|
3625 | * @returns nothing.
|
---|
3626 | * @param pThis The KD context to destroy.
|
---|
3627 | */
|
---|
3628 | static void dbgcKdCtxDestroy(PKDCTX pThis)
|
---|
3629 | {
|
---|
3630 | AssertPtr(pThis);
|
---|
3631 |
|
---|
3632 | pThis->pIfWinNt = NULL;
|
---|
3633 |
|
---|
3634 | /* Detach from the VM. */
|
---|
3635 | if (pThis->Dbgc.pUVM)
|
---|
3636 | DBGFR3Detach(pThis->Dbgc.pUVM);
|
---|
3637 |
|
---|
3638 | /* Free config strings. */
|
---|
3639 | RTStrFree(pThis->Dbgc.pszGlobalInitScript);
|
---|
3640 | pThis->Dbgc.pszGlobalInitScript = NULL;
|
---|
3641 | RTStrFree(pThis->Dbgc.pszLocalInitScript);
|
---|
3642 | pThis->Dbgc.pszLocalInitScript = NULL;
|
---|
3643 | RTStrFree(pThis->Dbgc.pszHistoryFile);
|
---|
3644 | pThis->Dbgc.pszHistoryFile = NULL;
|
---|
3645 |
|
---|
3646 | /* Finally, free the instance memory. */
|
---|
3647 | RTMemFree(pThis);
|
---|
3648 | }
|
---|
3649 |
|
---|
3650 |
|
---|
3651 | DECLHIDDEN(int) dbgcKdStubCreate(PUVM pUVM, PDBGCBACK pBack, unsigned fFlags)
|
---|
3652 | {
|
---|
3653 | /*
|
---|
3654 | * Validate input.
|
---|
3655 | */
|
---|
3656 | AssertPtrNullReturn(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
3657 | PVM pVM = NULL;
|
---|
3658 | if (pUVM)
|
---|
3659 | {
|
---|
3660 | pVM = VMR3GetVM(pUVM);
|
---|
3661 | AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
3662 | }
|
---|
3663 |
|
---|
3664 | /*
|
---|
3665 | * Allocate and initialize instance data
|
---|
3666 | */
|
---|
3667 | PKDCTX pThis;
|
---|
3668 | int rc = dbgcKdCtxCreate(&pThis, pBack, fFlags);
|
---|
3669 | if (RT_FAILURE(rc))
|
---|
3670 | return rc;
|
---|
3671 | if (!HMR3IsEnabled(pUVM) && !NEMR3IsEnabled(pUVM))
|
---|
3672 | pThis->Dbgc.hDbgAs = DBGF_AS_RC_AND_GC_GLOBAL;
|
---|
3673 |
|
---|
3674 | /*
|
---|
3675 | * Attach to the specified VM.
|
---|
3676 | */
|
---|
3677 | if (RT_SUCCESS(rc) && pUVM)
|
---|
3678 | {
|
---|
3679 | rc = DBGFR3Attach(pUVM);
|
---|
3680 | if (RT_SUCCESS(rc))
|
---|
3681 | {
|
---|
3682 | pThis->Dbgc.pVM = pVM;
|
---|
3683 | pThis->Dbgc.pUVM = pUVM;
|
---|
3684 | pThis->Dbgc.idCpu = 0;
|
---|
3685 |
|
---|
3686 | /* Try detecting a Windows NT guest. */
|
---|
3687 | char szName[64];
|
---|
3688 | rc = DBGFR3OSDetect(pUVM, szName, sizeof(szName));
|
---|
3689 | if (RT_SUCCESS(rc))
|
---|
3690 | {
|
---|
3691 | pThis->pIfWinNt = (PDBGFOSIWINNT)DBGFR3OSQueryInterface(pUVM, DBGFOSINTERFACE_WINNT);
|
---|
3692 | if (pThis->pIfWinNt)
|
---|
3693 | LogRel(("DBGC/Kd: Detected Windows NT guest OS (%s)\n", &szName[0]));
|
---|
3694 | else
|
---|
3695 | LogRel(("DBGC/Kd: Detected guest OS is not of the Windows NT kind (%s)\n", &szName[0]));
|
---|
3696 | }
|
---|
3697 | else
|
---|
3698 | {
|
---|
3699 | LogRel(("DBGC/Kd: Unable to detect any guest operating system type, rc=%Rrc\n", rc));
|
---|
3700 | rc = VINF_SUCCESS; /* Try to continue nevertheless. */
|
---|
3701 | }
|
---|
3702 |
|
---|
3703 | if (pThis->pIfWinNt)
|
---|
3704 | {
|
---|
3705 | rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM,
|
---|
3706 | NULL /*puVersMajor*/, NULL /*puVersMinor*/,
|
---|
3707 | NULL /*puBuildNumber*/, &pThis->f32Bit);
|
---|
3708 | AssertRC(rc);
|
---|
3709 | }
|
---|
3710 | else
|
---|
3711 | {
|
---|
3712 | /*
|
---|
3713 | * Try to detect bitness based on the current CPU mode which might fool us (32bit process running
|
---|
3714 | * inside of 64bit host).
|
---|
3715 | */
|
---|
3716 | CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(&pThis->Dbgc.CmdHlp);
|
---|
3717 | if (enmMode == CPUMMODE_PROTECTED)
|
---|
3718 | pThis->f32Bit = true;
|
---|
3719 | else if (enmMode == CPUMMODE_LONG)
|
---|
3720 | pThis->f32Bit = false;
|
---|
3721 | else
|
---|
3722 | LogRel(("DBGC/Kd: Heh, trying to debug real mode code with WinDbg are we? Good luck with that...\n"));
|
---|
3723 | }
|
---|
3724 | }
|
---|
3725 | else
|
---|
3726 | rc = pThis->Dbgc.CmdHlp.pfnVBoxError(&pThis->Dbgc.CmdHlp, rc, "When trying to attach to VM %p\n", pThis->Dbgc.pVM);
|
---|
3727 | }
|
---|
3728 |
|
---|
3729 | /*
|
---|
3730 | * Load plugins.
|
---|
3731 | */
|
---|
3732 | if (RT_SUCCESS(rc))
|
---|
3733 | {
|
---|
3734 | if (pVM)
|
---|
3735 | DBGFR3PlugInLoadAll(pThis->Dbgc.pUVM);
|
---|
3736 | dbgcEventInit(&pThis->Dbgc);
|
---|
3737 |
|
---|
3738 | /*
|
---|
3739 | * Run the debugger main loop.
|
---|
3740 | */
|
---|
3741 | rc = dbgcKdRun(pThis);
|
---|
3742 | dbgcEventTerm(&pThis->Dbgc);
|
---|
3743 | }
|
---|
3744 |
|
---|
3745 | /*
|
---|
3746 | * Cleanup console debugger session.
|
---|
3747 | */
|
---|
3748 | dbgcKdCtxDestroy(pThis);
|
---|
3749 | return rc == VERR_DBGC_QUIT ? VINF_SUCCESS : rc;
|
---|
3750 | }
|
---|
3751 |
|
---|