1 | /* $Id: DBGFReg.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
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2 | /** @file
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3 | * DBGF - Debugger Facility, Register Methods.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2010-2022 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #define LOG_GROUP LOG_GROUP_DBGF
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33 | #include <VBox/vmm/dbgf.h>
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34 | #include "DBGFInternal.h"
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35 | #include <VBox/vmm/mm.h>
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36 | #include <VBox/vmm/vm.h>
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37 | #include <VBox/vmm/uvm.h>
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38 | #include <VBox/param.h>
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39 | #include <VBox/err.h>
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40 | #include <VBox/log.h>
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41 | #include <iprt/ctype.h>
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42 | #include <iprt/string.h>
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43 | #include <iprt/uint128.h>
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44 |
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45 |
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46 | /*********************************************************************************************************************************
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47 | * Defined Constants And Macros *
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48 | *********************************************************************************************************************************/
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49 | /** Locks the register database for writing. */
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50 | #define DBGF_REG_DB_LOCK_WRITE(pUVM) \
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51 | do { \
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52 | int rcSem = RTSemRWRequestWrite((pUVM)->dbgf.s.hRegDbLock, RT_INDEFINITE_WAIT); \
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53 | AssertRC(rcSem); \
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54 | } while (0)
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55 |
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56 | /** Unlocks the register database after writing. */
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57 | #define DBGF_REG_DB_UNLOCK_WRITE(pUVM) \
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58 | do { \
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59 | int rcSem = RTSemRWReleaseWrite((pUVM)->dbgf.s.hRegDbLock); \
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60 | AssertRC(rcSem); \
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61 | } while (0)
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62 |
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63 | /** Locks the register database for reading. */
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64 | #define DBGF_REG_DB_LOCK_READ(pUVM) \
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65 | do { \
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66 | int rcSem = RTSemRWRequestRead((pUVM)->dbgf.s.hRegDbLock, RT_INDEFINITE_WAIT); \
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67 | AssertRC(rcSem); \
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68 | } while (0)
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69 |
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70 | /** Unlocks the register database after reading. */
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71 | #define DBGF_REG_DB_UNLOCK_READ(pUVM) \
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72 | do { \
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73 | int rcSem = RTSemRWReleaseRead((pUVM)->dbgf.s.hRegDbLock); \
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74 | AssertRC(rcSem); \
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75 | } while (0)
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76 |
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77 |
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78 | /** The max length of a set, register or sub-field name. */
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79 | #define DBGF_REG_MAX_NAME 40
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80 |
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81 |
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82 | /*********************************************************************************************************************************
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83 | * Structures and Typedefs *
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84 | *********************************************************************************************************************************/
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85 | /**
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86 | * Register set registration record type.
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87 | */
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88 | typedef enum DBGFREGSETTYPE
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89 | {
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90 | /** Invalid zero value. */
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91 | DBGFREGSETTYPE_INVALID = 0,
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92 | /** CPU record. */
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93 | DBGFREGSETTYPE_CPU,
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94 | /** Device record. */
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95 | DBGFREGSETTYPE_DEVICE,
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96 | /** End of valid record types. */
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97 | DBGFREGSETTYPE_END
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98 | } DBGFREGSETTYPE;
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99 |
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100 |
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101 | /**
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102 | * Register set registration record.
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103 | */
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104 | typedef struct DBGFREGSET
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105 | {
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106 | /** String space core. */
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107 | RTSTRSPACECORE Core;
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108 | /** The registration record type. */
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109 | DBGFREGSETTYPE enmType;
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110 | /** The user argument for the callbacks. */
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111 | union
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112 | {
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113 | /** The CPU view. */
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114 | PVMCPU pVCpu;
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115 | /** The device view. */
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116 | PPDMDEVINS pDevIns;
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117 | /** The general view. */
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118 | void *pv;
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119 | } uUserArg;
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120 |
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121 | /** The register descriptors. */
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122 | PCDBGFREGDESC paDescs;
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123 | /** The number of register descriptors. */
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124 | uint32_t cDescs;
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125 |
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126 | /** Array of lookup records.
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127 | * The first part of the array runs parallel to paDescs, the rest are
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128 | * covering for aliases and bitfield variations. It's done this way to
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129 | * simplify the query all operations. */
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130 | struct DBGFREGLOOKUP *paLookupRecs;
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131 | /** The number of lookup records. */
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132 | uint32_t cLookupRecs;
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133 |
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134 | /** The register name prefix. */
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135 | char szPrefix[1];
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136 | } DBGFREGSET;
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137 | /** Pointer to a register registration record. */
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138 | typedef DBGFREGSET *PDBGFREGSET;
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139 | /** Pointer to a const register registration record. */
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140 | typedef DBGFREGSET const *PCDBGFREGSET;
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141 |
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142 |
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143 | /**
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144 | * Register lookup record.
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145 | */
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146 | typedef struct DBGFREGLOOKUP
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147 | {
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148 | /** The string space core. */
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149 | RTSTRSPACECORE Core;
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150 | /** Pointer to the set. */
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151 | PCDBGFREGSET pSet;
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152 | /** Pointer to the register descriptor. */
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153 | PCDBGFREGDESC pDesc;
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154 | /** If an alias this points to the alias descriptor, NULL if not. */
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155 | PCDBGFREGALIAS pAlias;
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156 | /** If a sub-field this points to the sub-field descriptor, NULL if not. */
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157 | PCDBGFREGSUBFIELD pSubField;
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158 | } DBGFREGLOOKUP;
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159 | /** Pointer to a register lookup record. */
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160 | typedef DBGFREGLOOKUP *PDBGFREGLOOKUP;
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161 | /** Pointer to a const register lookup record. */
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162 | typedef DBGFREGLOOKUP const *PCDBGFREGLOOKUP;
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163 |
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164 |
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165 | /**
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166 | * Argument packet from DBGFR3RegNmQueryAll to dbgfR3RegNmQueryAllWorker.
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167 | */
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168 | typedef struct DBGFR3REGNMQUERYALLARGS
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169 | {
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170 | /** The output register array. */
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171 | PDBGFREGENTRYNM paRegs;
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172 | /** The number of entries in the output array. */
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173 | size_t cRegs;
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174 | /** The current register number when enumerating the string space.
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175 | * @remarks Only used by EMT(0). */
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176 | size_t iReg;
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177 | } DBGFR3REGNMQUERYALLARGS;
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178 | /** Pointer to a dbgfR3RegNmQueryAllWorker argument packet. */
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179 | typedef DBGFR3REGNMQUERYALLARGS *PDBGFR3REGNMQUERYALLARGS;
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180 |
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181 |
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182 | /**
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183 | * Argument packet passed by DBGFR3RegPrintfV to dbgfR3RegPrintfCbOutput and
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184 | * dbgfR3RegPrintfCbFormat.
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185 | */
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186 | typedef struct DBGFR3REGPRINTFARGS
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187 | {
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188 | /** The user mode VM handle. */
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189 | PUVM pUVM;
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190 | /** The target CPU. */
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191 | VMCPUID idCpu;
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192 | /** Set if we're looking at guest registers. */
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193 | bool fGuestRegs;
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194 | /** The output buffer. */
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195 | char *pszBuf;
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196 | /** The format string. */
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197 | const char *pszFormat;
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198 | /** The va list with format arguments. */
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199 | va_list va;
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200 |
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201 | /** The current buffer offset. */
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202 | size_t offBuf;
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203 | /** The amount of buffer space left, not counting the terminator char. */
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204 | size_t cchLeftBuf;
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205 | /** The status code of the whole operation. First error is return,
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206 | * subsequent ones are suppressed. */
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207 | int rc;
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208 | } DBGFR3REGPRINTFARGS;
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209 | /** Pointer to a DBGFR3RegPrintfV argument packet. */
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210 | typedef DBGFR3REGPRINTFARGS *PDBGFR3REGPRINTFARGS;
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211 |
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212 |
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213 |
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214 | /**
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215 | * Initializes the register database.
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216 | *
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217 | * @returns VBox status code.
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218 | * @param pUVM The user mode VM handle.
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219 | */
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220 | int dbgfR3RegInit(PUVM pUVM)
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221 | {
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222 | int rc = VINF_SUCCESS;
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223 | if (!pUVM->dbgf.s.fRegDbInitialized)
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224 | {
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225 | rc = RTSemRWCreate(&pUVM->dbgf.s.hRegDbLock);
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226 | pUVM->dbgf.s.fRegDbInitialized = RT_SUCCESS(rc);
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227 | }
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228 | return rc;
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229 | }
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230 |
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231 |
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232 | /**
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233 | * Terminates the register database.
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234 | *
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235 | * @param pUVM The user mode VM handle.
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236 | */
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237 | void dbgfR3RegTerm(PUVM pUVM)
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238 | {
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239 | RTSemRWDestroy(pUVM->dbgf.s.hRegDbLock);
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240 | pUVM->dbgf.s.hRegDbLock = NIL_RTSEMRW;
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241 | pUVM->dbgf.s.fRegDbInitialized = false;
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242 | }
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243 |
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244 |
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245 | /**
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246 | * Validates a register name.
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247 | *
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248 | * This is used for prefixes, aliases and field names.
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249 | *
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250 | * @returns true if valid, false if not.
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251 | * @param pszName The register name to validate.
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252 | * @param chDot Set to '.' if accepted, otherwise 0.
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253 | */
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254 | static bool dbgfR3RegIsNameValid(const char *pszName, char chDot)
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255 | {
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256 | const char *psz = pszName;
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257 | if (!RT_C_IS_ALPHA(*psz))
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258 | return false;
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259 | char ch;
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260 | while ((ch = *++psz))
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261 | if ( !RT_C_IS_LOWER(ch)
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262 | && !RT_C_IS_DIGIT(ch)
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263 | && ch != '_'
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264 | && ch != chDot)
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265 | return false;
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266 | if (psz - pszName > DBGF_REG_MAX_NAME)
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267 | return false;
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268 | return true;
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269 | }
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270 |
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271 |
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272 | /**
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273 | * Common worker for registering a register set.
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274 | *
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275 | * @returns VBox status code.
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276 | * @param pUVM The user mode VM handle.
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277 | * @param paRegisters The register descriptors.
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278 | * @param enmType The set type.
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279 | * @param pvUserArg The user argument for the callbacks.
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280 | * @param pszPrefix The name prefix.
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281 | * @param iInstance The instance number to be appended to @a
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282 | * pszPrefix when creating the set name.
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283 | */
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284 | static int dbgfR3RegRegisterCommon(PUVM pUVM, PCDBGFREGDESC paRegisters, DBGFREGSETTYPE enmType, void *pvUserArg,
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285 | const char *pszPrefix, uint32_t iInstance)
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286 | {
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287 | /*
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288 | * Validate input.
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289 | */
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290 | /* The name components. */
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291 | AssertMsgReturn(dbgfR3RegIsNameValid(pszPrefix, 0), ("%s\n", pszPrefix), VERR_INVALID_NAME);
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292 | const char *psz = RTStrEnd(pszPrefix, RTSTR_MAX);
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293 | bool const fNeedUnderscore = RT_C_IS_DIGIT(psz[-1]);
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294 | size_t const cchPrefix = psz - pszPrefix + fNeedUnderscore;
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295 | AssertMsgReturn(cchPrefix < RT_SIZEOFMEMB(DBGFREGSET, szPrefix) - 4 - 1, ("%s\n", pszPrefix), VERR_INVALID_NAME);
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296 |
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297 | AssertMsgReturn(iInstance <= 9999, ("%d\n", iInstance), VERR_INVALID_NAME);
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298 |
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299 | /* The descriptors. */
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300 | uint32_t cLookupRecs = 0;
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301 | uint32_t iDesc;
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302 | for (iDesc = 0; paRegisters[iDesc].pszName != NULL; iDesc++)
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303 | {
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304 | AssertMsgReturn(dbgfR3RegIsNameValid(paRegisters[iDesc].pszName, 0), ("%s (#%u)\n", paRegisters[iDesc].pszName, iDesc), VERR_INVALID_NAME);
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305 |
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306 | if (enmType == DBGFREGSETTYPE_CPU)
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307 | AssertMsgReturn(iDesc < (unsigned)DBGFREG_END && (unsigned)paRegisters[iDesc].enmReg == iDesc,
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308 | ("%d iDesc=%d\n", paRegisters[iDesc].enmReg, iDesc),
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309 | VERR_INVALID_PARAMETER);
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310 | else
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311 | AssertReturn(paRegisters[iDesc].enmReg == DBGFREG_END, VERR_INVALID_PARAMETER);
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312 | AssertReturn( paRegisters[iDesc].enmType > DBGFREGVALTYPE_INVALID
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313 | && paRegisters[iDesc].enmType < DBGFREGVALTYPE_END, VERR_INVALID_PARAMETER);
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314 | AssertMsgReturn(!(paRegisters[iDesc].fFlags & ~DBGFREG_FLAGS_READ_ONLY),
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315 | ("%#x (#%u)\n", paRegisters[iDesc].fFlags, iDesc),
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316 | VERR_INVALID_PARAMETER);
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317 | AssertPtrReturn(paRegisters[iDesc].pfnGet, VERR_INVALID_PARAMETER);
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318 | AssertReturn(RT_VALID_PTR(paRegisters[iDesc].pfnSet) || (paRegisters[iDesc].fFlags & DBGFREG_FLAGS_READ_ONLY),
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319 | VERR_INVALID_PARAMETER);
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320 |
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321 | uint32_t iAlias = 0;
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322 | PCDBGFREGALIAS paAliases = paRegisters[iDesc].paAliases;
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323 | if (paAliases)
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324 | {
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325 | AssertPtrReturn(paAliases, VERR_INVALID_PARAMETER);
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326 | for (; paAliases[iAlias].pszName; iAlias++)
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327 | {
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328 | AssertMsgReturn(dbgfR3RegIsNameValid(paAliases[iAlias].pszName, 0), ("%s (%s)\n", paAliases[iAlias].pszName, paRegisters[iDesc].pszName), VERR_INVALID_NAME);
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329 | AssertReturn( paAliases[iAlias].enmType > DBGFREGVALTYPE_INVALID
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330 | && paAliases[iAlias].enmType < DBGFREGVALTYPE_END, VERR_INVALID_PARAMETER);
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331 | }
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332 | }
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333 |
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334 | uint32_t iSubField = 0;
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335 | PCDBGFREGSUBFIELD paSubFields = paRegisters[iDesc].paSubFields;
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336 | if (paSubFields)
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337 | {
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338 | AssertPtrReturn(paSubFields, VERR_INVALID_PARAMETER);
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339 | for (; paSubFields[iSubField].pszName; iSubField++)
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340 | {
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341 | AssertMsgReturn(dbgfR3RegIsNameValid(paSubFields[iSubField].pszName, '.'), ("%s (%s)\n", paSubFields[iSubField].pszName, paRegisters[iDesc].pszName), VERR_INVALID_NAME);
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342 | AssertReturn(paSubFields[iSubField].iFirstBit + paSubFields[iSubField].cBits <= 128, VERR_INVALID_PARAMETER);
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343 | AssertReturn(paSubFields[iSubField].cBits + paSubFields[iSubField].cShift <= 128, VERR_INVALID_PARAMETER);
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344 | AssertPtrNullReturn(paSubFields[iSubField].pfnGet, VERR_INVALID_POINTER);
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345 | AssertPtrNullReturn(paSubFields[iSubField].pfnSet, VERR_INVALID_POINTER);
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346 | }
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347 | }
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348 |
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349 | cLookupRecs += (1 + iAlias) * (1 + iSubField);
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350 | }
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351 |
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352 | /* Check the instance number of the CPUs. */
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353 | AssertReturn(enmType != DBGFREGSETTYPE_CPU || iInstance < pUVM->cCpus, VERR_INVALID_CPU_ID);
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354 |
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355 | /*
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356 | * Allocate a new record and all associated lookup records.
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357 | */
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358 | size_t cbRegSet = RT_UOFFSETOF_DYN(DBGFREGSET, szPrefix[cchPrefix + 4 + 1]);
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359 | cbRegSet = RT_ALIGN_Z(cbRegSet, 32);
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360 | size_t const offLookupRecArray = cbRegSet;
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361 | cbRegSet += cLookupRecs * sizeof(DBGFREGLOOKUP);
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362 |
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363 | PDBGFREGSET pRegSet = (PDBGFREGSET)MMR3HeapAllocZU(pUVM, MM_TAG_DBGF_REG, cbRegSet);
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364 | if (!pRegSet)
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365 | return VERR_NO_MEMORY;
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366 |
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367 | /*
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368 | * Initialize the new record.
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369 | */
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370 | pRegSet->Core.pszString = pRegSet->szPrefix;
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371 | pRegSet->enmType = enmType;
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372 | pRegSet->uUserArg.pv = pvUserArg;
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373 | pRegSet->paDescs = paRegisters;
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374 | pRegSet->cDescs = iDesc;
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375 | pRegSet->cLookupRecs = cLookupRecs;
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376 | pRegSet->paLookupRecs = (PDBGFREGLOOKUP)((uintptr_t)pRegSet + offLookupRecArray);
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377 | if (fNeedUnderscore)
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378 | RTStrPrintf(pRegSet->szPrefix, cchPrefix + 4 + 1, "%s_%u", pszPrefix, iInstance);
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379 | else
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380 | RTStrPrintf(pRegSet->szPrefix, cchPrefix + 4 + 1, "%s%u", pszPrefix, iInstance);
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381 |
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382 |
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383 | /*
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384 | * Initialize the lookup records. See DBGFREGSET::paLookupRecs.
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385 | */
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386 | char szName[DBGF_REG_MAX_NAME * 3 + 16];
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387 | strcpy(szName, pRegSet->szPrefix);
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388 | char *pszReg = strchr(szName, '\0');
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389 | *pszReg++ = '.';
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390 |
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391 | /* Array parallel to the descriptors. */
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392 | int rc = VINF_SUCCESS;
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393 | PDBGFREGLOOKUP pLookupRec = &pRegSet->paLookupRecs[0];
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394 | for (iDesc = 0; paRegisters[iDesc].pszName != NULL && RT_SUCCESS(rc); iDesc++)
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395 | {
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396 | strcpy(pszReg, paRegisters[iDesc].pszName);
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397 | pLookupRec->Core.pszString = MMR3HeapStrDupU(pUVM, MM_TAG_DBGF_REG, szName);
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398 | if (!pLookupRec->Core.pszString)
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399 | rc = VERR_NO_STR_MEMORY;
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400 | pLookupRec->pSet = pRegSet;
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401 | pLookupRec->pDesc = &paRegisters[iDesc];
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402 | pLookupRec->pAlias = NULL;
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403 | pLookupRec->pSubField = NULL;
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404 | pLookupRec++;
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405 | }
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406 |
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407 | /* Aliases and sub-fields. */
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408 | for (iDesc = 0; paRegisters[iDesc].pszName != NULL && RT_SUCCESS(rc); iDesc++)
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409 | {
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410 | PCDBGFREGALIAS pCurAlias = NULL; /* first time we add sub-fields for the real name. */
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411 | PCDBGFREGALIAS pNextAlias = paRegisters[iDesc].paAliases;
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412 | const char *pszRegName = paRegisters[iDesc].pszName;
|
---|
413 | while (RT_SUCCESS(rc))
|
---|
414 | {
|
---|
415 | /* Add sub-field records. */
|
---|
416 | PCDBGFREGSUBFIELD paSubFields = paRegisters[iDesc].paSubFields;
|
---|
417 | if (paSubFields)
|
---|
418 | {
|
---|
419 | size_t cchReg = strlen(pszRegName);
|
---|
420 | memcpy(pszReg, pszRegName, cchReg);
|
---|
421 | char *pszSub = &pszReg[cchReg];
|
---|
422 | *pszSub++ = '.';
|
---|
423 | for (uint32_t iSubField = 0; paSubFields[iSubField].pszName && RT_SUCCESS(rc); iSubField++)
|
---|
424 | {
|
---|
425 | strcpy(pszSub, paSubFields[iSubField].pszName);
|
---|
426 | pLookupRec->Core.pszString = MMR3HeapStrDupU(pUVM, MM_TAG_DBGF_REG, szName);
|
---|
427 | if (!pLookupRec->Core.pszString)
|
---|
428 | rc = VERR_NO_STR_MEMORY;
|
---|
429 | pLookupRec->pSet = pRegSet;
|
---|
430 | pLookupRec->pDesc = &paRegisters[iDesc];
|
---|
431 | pLookupRec->pAlias = pCurAlias;
|
---|
432 | pLookupRec->pSubField = &paSubFields[iSubField];
|
---|
433 | pLookupRec++;
|
---|
434 | }
|
---|
435 | }
|
---|
436 |
|
---|
437 | /* Advance to the next alias. */
|
---|
438 | pCurAlias = pNextAlias++;
|
---|
439 | if (!pCurAlias)
|
---|
440 | break;
|
---|
441 | pszRegName = pCurAlias->pszName;
|
---|
442 | if (!pszRegName)
|
---|
443 | break;
|
---|
444 |
|
---|
445 | /* The alias record. */
|
---|
446 | strcpy(pszReg, pszRegName);
|
---|
447 | pLookupRec->Core.pszString = MMR3HeapStrDupU(pUVM, MM_TAG_DBGF_REG, szName);
|
---|
448 | if (!pLookupRec->Core.pszString)
|
---|
449 | rc = VERR_NO_STR_MEMORY;
|
---|
450 | pLookupRec->pSet = pRegSet;
|
---|
451 | pLookupRec->pDesc = &paRegisters[iDesc];
|
---|
452 | pLookupRec->pAlias = pCurAlias;
|
---|
453 | pLookupRec->pSubField = NULL;
|
---|
454 | pLookupRec++;
|
---|
455 | }
|
---|
456 | }
|
---|
457 | Assert(pLookupRec == &pRegSet->paLookupRecs[pRegSet->cLookupRecs]);
|
---|
458 |
|
---|
459 | if (RT_SUCCESS(rc))
|
---|
460 | {
|
---|
461 | /*
|
---|
462 | * Insert the record into the register set string space and optionally into
|
---|
463 | * the CPU register set cache.
|
---|
464 | */
|
---|
465 | DBGF_REG_DB_LOCK_WRITE(pUVM);
|
---|
466 |
|
---|
467 | bool fInserted = RTStrSpaceInsert(&pUVM->dbgf.s.RegSetSpace, &pRegSet->Core);
|
---|
468 | if (fInserted)
|
---|
469 | {
|
---|
470 | pUVM->dbgf.s.cRegs += pRegSet->cDescs;
|
---|
471 | if (enmType == DBGFREGSETTYPE_CPU)
|
---|
472 | {
|
---|
473 | if (pRegSet->cDescs > DBGFREG_ALL_COUNT)
|
---|
474 | pUVM->dbgf.s.cRegs -= pRegSet->cDescs - DBGFREG_ALL_COUNT;
|
---|
475 | if (!strcmp(pszPrefix, "cpu"))
|
---|
476 | pUVM->aCpus[iInstance].dbgf.s.pGuestRegSet = pRegSet;
|
---|
477 | else
|
---|
478 | pUVM->aCpus[iInstance].dbgf.s.pHyperRegSet = pRegSet;
|
---|
479 | }
|
---|
480 |
|
---|
481 | PDBGFREGLOOKUP paLookupRecs = pRegSet->paLookupRecs;
|
---|
482 | uint32_t iLookupRec = pRegSet->cLookupRecs;
|
---|
483 | while (iLookupRec-- > 0)
|
---|
484 | {
|
---|
485 | bool fInserted2 = RTStrSpaceInsert(&pUVM->dbgf.s.RegSpace, &paLookupRecs[iLookupRec].Core);
|
---|
486 | AssertMsg(fInserted2, ("'%s'", paLookupRecs[iLookupRec].Core.pszString)); NOREF(fInserted2);
|
---|
487 | }
|
---|
488 |
|
---|
489 | DBGF_REG_DB_UNLOCK_WRITE(pUVM);
|
---|
490 | return VINF_SUCCESS;
|
---|
491 | }
|
---|
492 |
|
---|
493 | DBGF_REG_DB_UNLOCK_WRITE(pUVM);
|
---|
494 | rc = VERR_DUPLICATE;
|
---|
495 | }
|
---|
496 |
|
---|
497 | /*
|
---|
498 | * Bail out.
|
---|
499 | */
|
---|
500 | for (uint32_t i = 0; i < pRegSet->cLookupRecs; i++)
|
---|
501 | MMR3HeapFree((char *)pRegSet->paLookupRecs[i].Core.pszString);
|
---|
502 | MMR3HeapFree(pRegSet);
|
---|
503 |
|
---|
504 | return rc;
|
---|
505 | }
|
---|
506 |
|
---|
507 |
|
---|
508 | /**
|
---|
509 | * Registers a set of registers for a CPU.
|
---|
510 | *
|
---|
511 | * @returns VBox status code.
|
---|
512 | * @param pVM The cross context VM structure.
|
---|
513 | * @param pVCpu The cross context virtual CPU structure.
|
---|
514 | * @param paRegisters The register descriptors.
|
---|
515 | * @param fGuestRegs Set if it's the guest registers, clear if
|
---|
516 | * hypervisor registers.
|
---|
517 | */
|
---|
518 | VMMR3_INT_DECL(int) DBGFR3RegRegisterCpu(PVM pVM, PVMCPU pVCpu, PCDBGFREGDESC paRegisters, bool fGuestRegs)
|
---|
519 | {
|
---|
520 | PUVM pUVM = pVM->pUVM;
|
---|
521 | if (!pUVM->dbgf.s.fRegDbInitialized)
|
---|
522 | {
|
---|
523 | int rc = dbgfR3RegInit(pUVM);
|
---|
524 | if (RT_FAILURE(rc))
|
---|
525 | return rc;
|
---|
526 | }
|
---|
527 |
|
---|
528 | return dbgfR3RegRegisterCommon(pUVM, paRegisters, DBGFREGSETTYPE_CPU, pVCpu,
|
---|
529 | fGuestRegs ? "cpu" : "hypercpu", pVCpu->idCpu);
|
---|
530 | }
|
---|
531 |
|
---|
532 |
|
---|
533 | /**
|
---|
534 | * Registers a set of registers for a device.
|
---|
535 | *
|
---|
536 | * @returns VBox status code.
|
---|
537 | * @param pVM The cross context VM structure.
|
---|
538 | * @param paRegisters The register descriptors.
|
---|
539 | * @param pDevIns The device instance. This will be the callback user
|
---|
540 | * argument.
|
---|
541 | * @param pszPrefix The device name.
|
---|
542 | * @param iInstance The device instance.
|
---|
543 | */
|
---|
544 | VMMR3_INT_DECL(int) DBGFR3RegRegisterDevice(PVM pVM, PCDBGFREGDESC paRegisters, PPDMDEVINS pDevIns,
|
---|
545 | const char *pszPrefix, uint32_t iInstance)
|
---|
546 | {
|
---|
547 | AssertPtrReturn(paRegisters, VERR_INVALID_POINTER);
|
---|
548 | AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
|
---|
549 | AssertPtrReturn(pszPrefix, VERR_INVALID_POINTER);
|
---|
550 |
|
---|
551 | return dbgfR3RegRegisterCommon(pVM->pUVM, paRegisters, DBGFREGSETTYPE_DEVICE, pDevIns, pszPrefix, iInstance);
|
---|
552 | }
|
---|
553 |
|
---|
554 |
|
---|
555 | /**
|
---|
556 | * Clears the register value variable.
|
---|
557 | *
|
---|
558 | * @param pValue The variable to clear.
|
---|
559 | */
|
---|
560 | DECLINLINE(void) dbgfR3RegValClear(PDBGFREGVAL pValue)
|
---|
561 | {
|
---|
562 | pValue->au64[0] = 0;
|
---|
563 | pValue->au64[1] = 0;
|
---|
564 | pValue->au64[2] = 0;
|
---|
565 | pValue->au64[3] = 0;
|
---|
566 | pValue->au64[4] = 0;
|
---|
567 | pValue->au64[5] = 0;
|
---|
568 | pValue->au64[6] = 0;
|
---|
569 | pValue->au64[7] = 0;
|
---|
570 | }
|
---|
571 |
|
---|
572 |
|
---|
573 | /**
|
---|
574 | * Sets a 80-bit floating point variable to a 64-bit unsigned interger value.
|
---|
575 | *
|
---|
576 | * @param pValue The value.
|
---|
577 | * @param u64 The integer value.
|
---|
578 | */
|
---|
579 | DECLINLINE(void) dbgfR3RegValR80SetU64(PDBGFREGVAL pValue, uint64_t u64)
|
---|
580 | {
|
---|
581 | /** @todo fixme */
|
---|
582 | pValue->r80.s.fSign = 0;
|
---|
583 | pValue->r80.s.uExponent = 16383;
|
---|
584 | pValue->r80.s.uMantissa = u64;
|
---|
585 | }
|
---|
586 |
|
---|
587 |
|
---|
588 | /**
|
---|
589 | * Sets a 80-bit floating point variable to a 64-bit unsigned interger value.
|
---|
590 | *
|
---|
591 | * @param pValue The value.
|
---|
592 | * @param u128 The integer value.
|
---|
593 | */
|
---|
594 | DECLINLINE(void) dbgfR3RegValR80SetU128(PDBGFREGVAL pValue, RTUINT128U u128)
|
---|
595 | {
|
---|
596 | /** @todo fixme */
|
---|
597 | pValue->r80.s.fSign = 0;
|
---|
598 | pValue->r80.s.uExponent = 16383;
|
---|
599 | pValue->r80.s.uMantissa = u128.s.Lo;
|
---|
600 | }
|
---|
601 |
|
---|
602 |
|
---|
603 | /**
|
---|
604 | * Get a 80-bit floating point variable as a 64-bit unsigned integer.
|
---|
605 | *
|
---|
606 | * @returns 64-bit unsigned integer.
|
---|
607 | * @param pValue The value.
|
---|
608 | */
|
---|
609 | DECLINLINE(uint64_t) dbgfR3RegValR80GetU64(PCDBGFREGVAL pValue)
|
---|
610 | {
|
---|
611 | /** @todo stupid, stupid MSC. */
|
---|
612 | return pValue->r80.s.uMantissa;
|
---|
613 | }
|
---|
614 |
|
---|
615 |
|
---|
616 | /**
|
---|
617 | * Get a 80-bit floating point variable as a 128-bit unsigned integer.
|
---|
618 | *
|
---|
619 | * @returns 128-bit unsigned integer.
|
---|
620 | * @param pValue The value.
|
---|
621 | */
|
---|
622 | DECLINLINE(RTUINT128U) dbgfR3RegValR80GetU128(PCDBGFREGVAL pValue)
|
---|
623 | {
|
---|
624 | /** @todo stupid, stupid MSC. */
|
---|
625 | RTUINT128U uRet;
|
---|
626 | #if 0
|
---|
627 | uRet.s.Lo = (uint64_t)InVal.lrd;
|
---|
628 | uRet.s.Hi = (uint64_t)InVal.lrd / _4G / _4G;
|
---|
629 | #else
|
---|
630 | uRet.s.Lo = pValue->r80.s.uMantissa;
|
---|
631 | uRet.s.Hi = 0;
|
---|
632 | #endif
|
---|
633 | return uRet;
|
---|
634 | }
|
---|
635 |
|
---|
636 |
|
---|
637 | /**
|
---|
638 | * Performs a cast between register value types.
|
---|
639 | *
|
---|
640 | * @retval VINF_SUCCESS
|
---|
641 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
642 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
643 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
644 | *
|
---|
645 | * @param pValue The value to cast (input + output).
|
---|
646 | * @param enmFromType The input value.
|
---|
647 | * @param enmToType The desired output value.
|
---|
648 | */
|
---|
649 | static int dbgfR3RegValCast(PDBGFREGVAL pValue, DBGFREGVALTYPE enmFromType, DBGFREGVALTYPE enmToType)
|
---|
650 | {
|
---|
651 | DBGFREGVAL const InVal = *pValue;
|
---|
652 | dbgfR3RegValClear(pValue);
|
---|
653 |
|
---|
654 | /* Note! No default cases here as gcc warnings about missing enum values
|
---|
655 | are desired. */
|
---|
656 | switch (enmFromType)
|
---|
657 | {
|
---|
658 | case DBGFREGVALTYPE_U8:
|
---|
659 | switch (enmToType)
|
---|
660 | {
|
---|
661 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u8; return VINF_SUCCESS;
|
---|
662 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
663 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
664 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
665 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
666 | case DBGFREGVALTYPE_U256: pValue->u256.Words.w0 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
667 | case DBGFREGVALTYPE_U512: pValue->u512.Words.w0 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
668 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u8); return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
669 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
670 |
|
---|
671 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
672 | case DBGFREGVALTYPE_END:
|
---|
673 | case DBGFREGVALTYPE_INVALID:
|
---|
674 | break;
|
---|
675 | }
|
---|
676 | break;
|
---|
677 |
|
---|
678 | case DBGFREGVALTYPE_U16:
|
---|
679 | switch (enmToType)
|
---|
680 | {
|
---|
681 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u16; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
682 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u16; return VINF_SUCCESS;
|
---|
683 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
684 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
685 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
686 | case DBGFREGVALTYPE_U256: pValue->u256.Words.w0 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
687 | case DBGFREGVALTYPE_U512: pValue->u512.Words.w0 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
688 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u16); return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
689 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
690 |
|
---|
691 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
692 | case DBGFREGVALTYPE_END:
|
---|
693 | case DBGFREGVALTYPE_INVALID:
|
---|
694 | break;
|
---|
695 | }
|
---|
696 | break;
|
---|
697 |
|
---|
698 | case DBGFREGVALTYPE_U32:
|
---|
699 | switch (enmToType)
|
---|
700 | {
|
---|
701 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u32; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
702 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u32; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
703 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u32; return VINF_SUCCESS;
|
---|
704 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
705 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
706 | case DBGFREGVALTYPE_U256: pValue->u256.DWords.dw0 = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
707 | case DBGFREGVALTYPE_U512: pValue->u512.DWords.dw0 = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
708 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u32); return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
709 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
710 |
|
---|
711 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
712 | case DBGFREGVALTYPE_END:
|
---|
713 | case DBGFREGVALTYPE_INVALID:
|
---|
714 | break;
|
---|
715 | }
|
---|
716 | break;
|
---|
717 |
|
---|
718 | case DBGFREGVALTYPE_U64:
|
---|
719 | switch (enmToType)
|
---|
720 | {
|
---|
721 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
722 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
723 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
724 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u64; return VINF_SUCCESS;
|
---|
725 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
726 | case DBGFREGVALTYPE_U256: pValue->u256.QWords.qw0 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
727 | case DBGFREGVALTYPE_U512: pValue->u512.QWords.qw0 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
728 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u64); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
729 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
730 |
|
---|
731 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
732 | case DBGFREGVALTYPE_END:
|
---|
733 | case DBGFREGVALTYPE_INVALID:
|
---|
734 | break;
|
---|
735 | }
|
---|
736 | break;
|
---|
737 |
|
---|
738 | case DBGFREGVALTYPE_U128:
|
---|
739 | switch (enmToType)
|
---|
740 | {
|
---|
741 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
742 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
743 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
744 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
745 | case DBGFREGVALTYPE_U128: pValue->u128 = InVal.u128; return VINF_SUCCESS;
|
---|
746 | case DBGFREGVALTYPE_U256: pValue->u256.DQWords.dqw0 = InVal.u128; return VINF_SUCCESS;
|
---|
747 | case DBGFREGVALTYPE_U512: pValue->u512.DQWords.dqw0 = InVal.u128; return VINF_SUCCESS;
|
---|
748 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU128(pValue, InVal.u128); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
749 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
750 |
|
---|
751 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
752 | case DBGFREGVALTYPE_END:
|
---|
753 | case DBGFREGVALTYPE_INVALID:
|
---|
754 | break;
|
---|
755 | }
|
---|
756 | break;
|
---|
757 |
|
---|
758 | case DBGFREGVALTYPE_U256:
|
---|
759 | switch (enmToType)
|
---|
760 | {
|
---|
761 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u256.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
762 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u256.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
763 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u256.DWords.dw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
764 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u256.QWords.qw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
765 | case DBGFREGVALTYPE_U128: pValue->u128 = InVal.u256.DQWords.dqw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
766 | case DBGFREGVALTYPE_U256: pValue->u256 = InVal.u256; return VINF_SUCCESS;
|
---|
767 | case DBGFREGVALTYPE_U512: pValue->u512.OWords.ow0 = InVal.u256; return VINF_SUCCESS;
|
---|
768 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU128(pValue, InVal.u256.DQWords.dqw0); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
769 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
770 |
|
---|
771 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
772 | case DBGFREGVALTYPE_END:
|
---|
773 | case DBGFREGVALTYPE_INVALID:
|
---|
774 | break;
|
---|
775 | }
|
---|
776 | break;
|
---|
777 |
|
---|
778 | case DBGFREGVALTYPE_U512:
|
---|
779 | switch (enmToType)
|
---|
780 | {
|
---|
781 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u512.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
782 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u512.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
783 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u512.DWords.dw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
784 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u512.QWords.qw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
785 | case DBGFREGVALTYPE_U128: pValue->u128 = InVal.u512.DQWords.dqw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
786 | case DBGFREGVALTYPE_U256: pValue->u256 = InVal.u512.OWords.ow0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
787 | case DBGFREGVALTYPE_U512: pValue->u512 = InVal.u512; return VINF_SUCCESS;
|
---|
788 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU128(pValue, InVal.u512.DQWords.dqw0); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
789 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
790 |
|
---|
791 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
792 | case DBGFREGVALTYPE_END:
|
---|
793 | case DBGFREGVALTYPE_INVALID:
|
---|
794 | break;
|
---|
795 | }
|
---|
796 | break;
|
---|
797 |
|
---|
798 | case DBGFREGVALTYPE_R80:
|
---|
799 | switch (enmToType)
|
---|
800 | {
|
---|
801 | case DBGFREGVALTYPE_U8: pValue->u8 = (uint8_t )dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
802 | case DBGFREGVALTYPE_U16: pValue->u16 = (uint16_t)dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
803 | case DBGFREGVALTYPE_U32: pValue->u32 = (uint32_t)dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
804 | case DBGFREGVALTYPE_U64: pValue->u64 = (uint64_t)dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
805 | case DBGFREGVALTYPE_U128: pValue->u128 = dbgfR3RegValR80GetU128(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
806 | case DBGFREGVALTYPE_U256: pValue->u256.DQWords.dqw0 = dbgfR3RegValR80GetU128(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
807 | case DBGFREGVALTYPE_U512: pValue->u512.DQWords.dqw0 = dbgfR3RegValR80GetU128(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
808 | case DBGFREGVALTYPE_R80: pValue->r80 = InVal.r80; return VINF_SUCCESS;
|
---|
809 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
810 |
|
---|
811 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
812 | case DBGFREGVALTYPE_END:
|
---|
813 | case DBGFREGVALTYPE_INVALID:
|
---|
814 | break;
|
---|
815 | }
|
---|
816 | break;
|
---|
817 |
|
---|
818 | case DBGFREGVALTYPE_DTR:
|
---|
819 | switch (enmToType)
|
---|
820 | {
|
---|
821 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
822 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
823 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
824 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
825 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
826 | case DBGFREGVALTYPE_U256: pValue->u256.QWords.qw0 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
827 | case DBGFREGVALTYPE_U512: pValue->u512.QWords.qw0 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
828 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.dtr.u64Base); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
829 | case DBGFREGVALTYPE_DTR: pValue->dtr = InVal.dtr; return VINF_SUCCESS;
|
---|
830 |
|
---|
831 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
832 | case DBGFREGVALTYPE_END:
|
---|
833 | case DBGFREGVALTYPE_INVALID:
|
---|
834 | break;
|
---|
835 | }
|
---|
836 | break;
|
---|
837 |
|
---|
838 | case DBGFREGVALTYPE_INVALID:
|
---|
839 | case DBGFREGVALTYPE_END:
|
---|
840 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
841 | break;
|
---|
842 | }
|
---|
843 |
|
---|
844 | AssertMsgFailed(("%d / %d\n", enmFromType, enmToType));
|
---|
845 | return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
846 | }
|
---|
847 |
|
---|
848 |
|
---|
849 | /**
|
---|
850 | * Worker for the CPU register queries.
|
---|
851 | *
|
---|
852 | * @returns VBox status code.
|
---|
853 | * @retval VINF_SUCCESS
|
---|
854 | * @retval VERR_INVALID_VM_HANDLE
|
---|
855 | * @retval VERR_INVALID_CPU_ID
|
---|
856 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
857 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
858 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
859 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
860 | *
|
---|
861 | * @param pUVM The user mode VM handle.
|
---|
862 | * @param idCpu The virtual CPU ID.
|
---|
863 | * @param enmReg The register to query.
|
---|
864 | * @param enmType The desired return type.
|
---|
865 | * @param fGuestRegs Query guest CPU registers if set (true),
|
---|
866 | * hypervisor CPU registers if clear (false).
|
---|
867 | * @param pValue Where to return the register value.
|
---|
868 | */
|
---|
869 | static DECLCALLBACK(int) dbgfR3RegCpuQueryWorkerOnCpu(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, DBGFREGVALTYPE enmType,
|
---|
870 | bool fGuestRegs, PDBGFREGVAL pValue)
|
---|
871 | {
|
---|
872 | int rc = VINF_SUCCESS;
|
---|
873 | DBGF_REG_DB_LOCK_READ(pUVM);
|
---|
874 |
|
---|
875 | /*
|
---|
876 | * Look up the register set of the specified CPU.
|
---|
877 | */
|
---|
878 | PDBGFREGSET pSet = fGuestRegs
|
---|
879 | ? pUVM->aCpus[idCpu].dbgf.s.pGuestRegSet
|
---|
880 | : pUVM->aCpus[idCpu].dbgf.s.pHyperRegSet;
|
---|
881 | if (RT_LIKELY(pSet))
|
---|
882 | {
|
---|
883 | /*
|
---|
884 | * Look up the register and get the register value.
|
---|
885 | */
|
---|
886 | if (RT_LIKELY(pSet->cDescs > (size_t)enmReg))
|
---|
887 | {
|
---|
888 | PCDBGFREGDESC pDesc = &pSet->paDescs[enmReg];
|
---|
889 |
|
---|
890 | pValue->au64[0] = pValue->au64[1] = 0;
|
---|
891 | rc = pDesc->pfnGet(pSet->uUserArg.pv, pDesc, pValue);
|
---|
892 | if (RT_SUCCESS(rc))
|
---|
893 | {
|
---|
894 | /*
|
---|
895 | * Do the cast if the desired return type doesn't match what
|
---|
896 | * the getter returned.
|
---|
897 | */
|
---|
898 | if (pDesc->enmType == enmType)
|
---|
899 | rc = VINF_SUCCESS;
|
---|
900 | else
|
---|
901 | rc = dbgfR3RegValCast(pValue, pDesc->enmType, enmType);
|
---|
902 | }
|
---|
903 | }
|
---|
904 | else
|
---|
905 | rc = VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
906 | }
|
---|
907 | else
|
---|
908 | rc = VERR_INVALID_CPU_ID;
|
---|
909 |
|
---|
910 | DBGF_REG_DB_UNLOCK_READ(pUVM);
|
---|
911 | return rc;
|
---|
912 | }
|
---|
913 |
|
---|
914 |
|
---|
915 | /**
|
---|
916 | * Internal worker for the CPU register query functions.
|
---|
917 | *
|
---|
918 | * @returns VBox status code.
|
---|
919 | * @retval VINF_SUCCESS
|
---|
920 | * @retval VERR_INVALID_VM_HANDLE
|
---|
921 | * @retval VERR_INVALID_CPU_ID
|
---|
922 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
923 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
924 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
925 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
926 | *
|
---|
927 | * @param pUVM The user mode VM handle.
|
---|
928 | * @param idCpu The virtual CPU ID. Can be OR'ed with
|
---|
929 | * DBGFREG_HYPER_VMCPUID.
|
---|
930 | * @param enmReg The register to query.
|
---|
931 | * @param enmType The desired return type.
|
---|
932 | * @param pValue Where to return the register value.
|
---|
933 | */
|
---|
934 | static int dbgfR3RegCpuQueryWorker(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, DBGFREGVALTYPE enmType, PDBGFREGVAL pValue)
|
---|
935 | {
|
---|
936 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
937 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
938 | AssertMsgReturn(enmReg >= DBGFREG_AL && enmReg <= DBGFREG_END, ("%d\n", enmReg), VERR_INVALID_PARAMETER);
|
---|
939 |
|
---|
940 | bool const fGuestRegs = !(idCpu & DBGFREG_HYPER_VMCPUID);
|
---|
941 | idCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
942 | AssertReturn(idCpu < pUVM->cCpus, VERR_INVALID_CPU_ID);
|
---|
943 |
|
---|
944 | return VMR3ReqPriorityCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3RegCpuQueryWorkerOnCpu, 6,
|
---|
945 | pUVM, idCpu, enmReg, enmType, fGuestRegs, pValue);
|
---|
946 | }
|
---|
947 |
|
---|
948 |
|
---|
949 | /**
|
---|
950 | * Queries a 8-bit CPU register value.
|
---|
951 | *
|
---|
952 | * @retval VINF_SUCCESS
|
---|
953 | * @retval VERR_INVALID_VM_HANDLE
|
---|
954 | * @retval VERR_INVALID_CPU_ID
|
---|
955 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
956 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
957 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
958 | *
|
---|
959 | * @param pUVM The user mode VM handle.
|
---|
960 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
961 | * DBGFREG_HYPER_VMCPUID.
|
---|
962 | * @param enmReg The register that's being queried.
|
---|
963 | * @param pu8 Where to store the register value.
|
---|
964 | */
|
---|
965 | VMMR3DECL(int) DBGFR3RegCpuQueryU8(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint8_t *pu8)
|
---|
966 | {
|
---|
967 | DBGFREGVAL Value;
|
---|
968 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U8, &Value);
|
---|
969 | if (RT_SUCCESS(rc))
|
---|
970 | *pu8 = Value.u8;
|
---|
971 | else
|
---|
972 | *pu8 = 0;
|
---|
973 | return rc;
|
---|
974 | }
|
---|
975 |
|
---|
976 |
|
---|
977 | /**
|
---|
978 | * Queries a 16-bit CPU register value.
|
---|
979 | *
|
---|
980 | * @retval VINF_SUCCESS
|
---|
981 | * @retval VERR_INVALID_VM_HANDLE
|
---|
982 | * @retval VERR_INVALID_CPU_ID
|
---|
983 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
984 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
985 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
986 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
987 | *
|
---|
988 | * @param pUVM The user mode VM handle.
|
---|
989 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
990 | * DBGFREG_HYPER_VMCPUID.
|
---|
991 | * @param enmReg The register that's being queried.
|
---|
992 | * @param pu16 Where to store the register value.
|
---|
993 | */
|
---|
994 | VMMR3DECL(int) DBGFR3RegCpuQueryU16(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint16_t *pu16)
|
---|
995 | {
|
---|
996 | DBGFREGVAL Value;
|
---|
997 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U16, &Value);
|
---|
998 | if (RT_SUCCESS(rc))
|
---|
999 | *pu16 = Value.u16;
|
---|
1000 | else
|
---|
1001 | *pu16 = 0;
|
---|
1002 | return rc;
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 |
|
---|
1006 | /**
|
---|
1007 | * Queries a 32-bit CPU register value.
|
---|
1008 | *
|
---|
1009 | * @retval VINF_SUCCESS
|
---|
1010 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1011 | * @retval VERR_INVALID_CPU_ID
|
---|
1012 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1013 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1014 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1015 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1016 | *
|
---|
1017 | * @param pUVM The user mode VM handle.
|
---|
1018 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
1019 | * DBGFREG_HYPER_VMCPUID.
|
---|
1020 | * @param enmReg The register that's being queried.
|
---|
1021 | * @param pu32 Where to store the register value.
|
---|
1022 | */
|
---|
1023 | VMMR3DECL(int) DBGFR3RegCpuQueryU32(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint32_t *pu32)
|
---|
1024 | {
|
---|
1025 | DBGFREGVAL Value;
|
---|
1026 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U32, &Value);
|
---|
1027 | if (RT_SUCCESS(rc))
|
---|
1028 | *pu32 = Value.u32;
|
---|
1029 | else
|
---|
1030 | *pu32 = 0;
|
---|
1031 | return rc;
|
---|
1032 | }
|
---|
1033 |
|
---|
1034 |
|
---|
1035 | /**
|
---|
1036 | * Queries a 64-bit CPU register value.
|
---|
1037 | *
|
---|
1038 | * @retval VINF_SUCCESS
|
---|
1039 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1040 | * @retval VERR_INVALID_CPU_ID
|
---|
1041 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1042 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1043 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1044 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1045 | *
|
---|
1046 | * @param pUVM The user mode VM handle.
|
---|
1047 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
1048 | * DBGFREG_HYPER_VMCPUID.
|
---|
1049 | * @param enmReg The register that's being queried.
|
---|
1050 | * @param pu64 Where to store the register value.
|
---|
1051 | */
|
---|
1052 | VMMR3DECL(int) DBGFR3RegCpuQueryU64(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint64_t *pu64)
|
---|
1053 | {
|
---|
1054 | DBGFREGVAL Value;
|
---|
1055 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U64, &Value);
|
---|
1056 | if (RT_SUCCESS(rc))
|
---|
1057 | *pu64 = Value.u64;
|
---|
1058 | else
|
---|
1059 | *pu64 = 0;
|
---|
1060 | return rc;
|
---|
1061 | }
|
---|
1062 |
|
---|
1063 |
|
---|
1064 | /**
|
---|
1065 | * Queries a descriptor table register value.
|
---|
1066 | *
|
---|
1067 | * @retval VINF_SUCCESS
|
---|
1068 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1069 | * @retval VERR_INVALID_CPU_ID
|
---|
1070 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1071 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1072 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1073 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1074 | *
|
---|
1075 | * @param pUVM The user mode VM handle.
|
---|
1076 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
1077 | * DBGFREG_HYPER_VMCPUID.
|
---|
1078 | * @param enmReg The register that's being queried.
|
---|
1079 | * @param pu64Base Where to store the register base value.
|
---|
1080 | * @param pu16Limit Where to store the register limit value.
|
---|
1081 | */
|
---|
1082 | VMMR3DECL(int) DBGFR3RegCpuQueryXdtr(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint64_t *pu64Base, uint16_t *pu16Limit)
|
---|
1083 | {
|
---|
1084 | DBGFREGVAL Value;
|
---|
1085 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_DTR, &Value);
|
---|
1086 | if (RT_SUCCESS(rc))
|
---|
1087 | {
|
---|
1088 | *pu64Base = Value.dtr.u64Base;
|
---|
1089 | *pu16Limit = Value.dtr.u32Limit;
|
---|
1090 | }
|
---|
1091 | else
|
---|
1092 | {
|
---|
1093 | *pu64Base = 0;
|
---|
1094 | *pu16Limit = 0;
|
---|
1095 | }
|
---|
1096 | return rc;
|
---|
1097 | }
|
---|
1098 |
|
---|
1099 |
|
---|
1100 | #if 0 /* rewrite / remove */
|
---|
1101 |
|
---|
1102 | /**
|
---|
1103 | * Wrapper around CPUMQueryGuestMsr for dbgfR3RegCpuQueryBatchWorker.
|
---|
1104 | *
|
---|
1105 | * @retval VINF_SUCCESS
|
---|
1106 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1107 | *
|
---|
1108 | * @param pVCpu The cross context virtual CPU structure of the calling EMT.
|
---|
1109 | * @param pReg The where to store the register value and
|
---|
1110 | * size.
|
---|
1111 | * @param idMsr The MSR to get.
|
---|
1112 | */
|
---|
1113 | static void dbgfR3RegGetMsrBatch(PVMCPU pVCpu, PDBGFREGENTRY pReg, uint32_t idMsr)
|
---|
1114 | {
|
---|
1115 | pReg->enmType = DBGFREGVALTYPE_U64;
|
---|
1116 | int rc = CPUMQueryGuestMsr(pVCpu, idMsr, &pReg->Val.u64);
|
---|
1117 | if (RT_FAILURE(rc))
|
---|
1118 | {
|
---|
1119 | AssertMsg(rc == VERR_CPUM_RAISE_GP_0, ("%Rrc\n", rc));
|
---|
1120 | pReg->Val.u64 = 0;
|
---|
1121 | }
|
---|
1122 | }
|
---|
1123 |
|
---|
1124 |
|
---|
1125 | static DECLCALLBACK(int) dbgfR3RegCpuQueryBatchWorker(PUVM pUVM, VMCPUID idCpu, PDBGFREGENTRY paRegs, size_t cRegs)
|
---|
1126 | {
|
---|
1127 | #if 0
|
---|
1128 | PVMCPU pVCpu = &pUVM->pVM->aCpus[idCpu];
|
---|
1129 | PCCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
|
---|
1130 |
|
---|
1131 | PDBGFREGENTRY pReg = paRegs - 1;
|
---|
1132 | while (cRegs-- > 0)
|
---|
1133 | {
|
---|
1134 | pReg++;
|
---|
1135 | pReg->Val.au64[0] = 0;
|
---|
1136 | pReg->Val.au64[1] = 0;
|
---|
1137 |
|
---|
1138 | DBGFREG const enmReg = pReg->enmReg;
|
---|
1139 | AssertMsgReturn(enmReg >= 0 && enmReg <= DBGFREG_END, ("%d (%#x)\n", enmReg, enmReg), VERR_DBGF_REGISTER_NOT_FOUND);
|
---|
1140 | if (enmReg != DBGFREG_END)
|
---|
1141 | {
|
---|
1142 | PCDBGFREGDESC pDesc = &g_aDbgfRegDescs[enmReg];
|
---|
1143 | if (!pDesc->pfnGet)
|
---|
1144 | {
|
---|
1145 | PCRTUINT128U pu = (PCRTUINT128U)((uintptr_t)pCtx + pDesc->offCtx);
|
---|
1146 | pReg->enmType = pDesc->enmType;
|
---|
1147 | switch (pDesc->enmType)
|
---|
1148 | {
|
---|
1149 | case DBGFREGVALTYPE_U8: pReg->Val.u8 = pu->au8[0]; break;
|
---|
1150 | case DBGFREGVALTYPE_U16: pReg->Val.u16 = pu->au16[0]; break;
|
---|
1151 | case DBGFREGVALTYPE_U32: pReg->Val.u32 = pu->au32[0]; break;
|
---|
1152 | case DBGFREGVALTYPE_U64: pReg->Val.u64 = pu->au64[0]; break;
|
---|
1153 | case DBGFREGVALTYPE_U128:
|
---|
1154 | pReg->Val.au64[0] = pu->au64[0];
|
---|
1155 | pReg->Val.au64[1] = pu->au64[1];
|
---|
1156 | break;
|
---|
1157 | case DBGFREGVALTYPE_R80:
|
---|
1158 | pReg->Val.au64[0] = pu->au64[0];
|
---|
1159 | pReg->Val.au16[5] = pu->au16[5];
|
---|
1160 | break;
|
---|
1161 | default:
|
---|
1162 | AssertMsgFailedReturn(("%s %d\n", pDesc->pszName, pDesc->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
|
---|
1163 | }
|
---|
1164 | }
|
---|
1165 | else
|
---|
1166 | {
|
---|
1167 | int rc = pDesc->pfnGet(pVCpu, pDesc, pCtx, &pReg->Val.u);
|
---|
1168 | if (RT_FAILURE(rc))
|
---|
1169 | return rc;
|
---|
1170 | }
|
---|
1171 | }
|
---|
1172 | }
|
---|
1173 | return VINF_SUCCESS;
|
---|
1174 | #else
|
---|
1175 | return VERR_NOT_IMPLEMENTED;
|
---|
1176 | #endif
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 |
|
---|
1180 | /**
|
---|
1181 | * Query a batch of registers.
|
---|
1182 | *
|
---|
1183 | * @retval VINF_SUCCESS
|
---|
1184 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1185 | * @retval VERR_INVALID_CPU_ID
|
---|
1186 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1187 | *
|
---|
1188 | * @param pUVM The user mode VM handle.
|
---|
1189 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
1190 | * DBGFREG_HYPER_VMCPUID.
|
---|
1191 | * @param paRegs Pointer to an array of @a cRegs elements. On
|
---|
1192 | * input the enmReg members indicates which
|
---|
1193 | * registers to query. On successful return the
|
---|
1194 | * other members are set. DBGFREG_END can be used
|
---|
1195 | * as a filler.
|
---|
1196 | * @param cRegs The number of entries in @a paRegs.
|
---|
1197 | */
|
---|
1198 | VMMR3DECL(int) DBGFR3RegCpuQueryBatch(PUVM pUVM, VMCPUID idCpu, PDBGFREGENTRY paRegs, size_t cRegs)
|
---|
1199 | {
|
---|
1200 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
|
---|
1201 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
|
---|
1202 | AssertReturn(idCpu < pUVM->cCpus, VERR_INVALID_CPU_ID);
|
---|
1203 | if (!cRegs)
|
---|
1204 | return VINF_SUCCESS;
|
---|
1205 | AssertReturn(cRegs < _1M, VERR_OUT_OF_RANGE);
|
---|
1206 | AssertPtrReturn(paRegs, VERR_INVALID_POINTER);
|
---|
1207 | size_t iReg = cRegs;
|
---|
1208 | while (iReg-- > 0)
|
---|
1209 | {
|
---|
1210 | DBGFREG enmReg = paRegs[iReg].enmReg;
|
---|
1211 | AssertMsgReturn(enmReg < DBGFREG_END && enmReg >= DBGFREG_AL, ("%d (%#x)", enmReg, enmReg), VERR_DBGF_REGISTER_NOT_FOUND);
|
---|
1212 | }
|
---|
1213 |
|
---|
1214 | return VMR3ReqCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3RegCpuQueryBatchWorker, 4, pUVM, idCpu, paRegs, cRegs);
|
---|
1215 | }
|
---|
1216 |
|
---|
1217 |
|
---|
1218 | /**
|
---|
1219 | * Query all registers for a Virtual CPU.
|
---|
1220 | *
|
---|
1221 | * @retval VINF_SUCCESS
|
---|
1222 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1223 | * @retval VERR_INVALID_CPU_ID
|
---|
1224 | *
|
---|
1225 | * @param pUVM The user mode VM handle.
|
---|
1226 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
1227 | * DBGFREG_HYPER_VMCPUID.
|
---|
1228 | * @param paRegs Pointer to an array of @a cRegs elements.
|
---|
1229 | * These will be filled with the CPU register
|
---|
1230 | * values. Overflowing entries will be set to
|
---|
1231 | * DBGFREG_END. The returned registers can be
|
---|
1232 | * accessed by using the DBGFREG values as index.
|
---|
1233 | * @param cRegs The number of entries in @a paRegs. The
|
---|
1234 | * recommended value is DBGFREG_ALL_COUNT.
|
---|
1235 | */
|
---|
1236 | VMMR3DECL(int) DBGFR3RegCpuQueryAll(PUVM pUVM, VMCPUID idCpu, PDBGFREGENTRY paRegs, size_t cRegs)
|
---|
1237 | {
|
---|
1238 | /*
|
---|
1239 | * Validate input.
|
---|
1240 | */
|
---|
1241 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
|
---|
1242 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
|
---|
1243 | AssertReturn(idCpu < pUVM->cCpus, VERR_INVALID_CPU_ID);
|
---|
1244 | if (!cRegs)
|
---|
1245 | return VINF_SUCCESS;
|
---|
1246 | AssertReturn(cRegs < _1M, VERR_OUT_OF_RANGE);
|
---|
1247 | AssertPtrReturn(paRegs, VERR_INVALID_POINTER);
|
---|
1248 |
|
---|
1249 | /*
|
---|
1250 | * Convert it into a batch query (lazy bird).
|
---|
1251 | */
|
---|
1252 | unsigned iReg = 0;
|
---|
1253 | while (iReg < cRegs && iReg < DBGFREG_ALL_COUNT)
|
---|
1254 | {
|
---|
1255 | paRegs[iReg].enmReg = (DBGFREG)iReg;
|
---|
1256 | iReg++;
|
---|
1257 | }
|
---|
1258 | while (iReg < cRegs)
|
---|
1259 | paRegs[iReg++].enmReg = DBGFREG_END;
|
---|
1260 |
|
---|
1261 | return VMR3ReqCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3RegCpuQueryBatchWorker, 4, pUVM, idCpu, paRegs, cRegs);
|
---|
1262 | }
|
---|
1263 |
|
---|
1264 | #endif /* rewrite or remove? */
|
---|
1265 |
|
---|
1266 | /**
|
---|
1267 | * Gets the name of a register.
|
---|
1268 | *
|
---|
1269 | * @returns Pointer to read-only register name (lower case). NULL if the
|
---|
1270 | * parameters are invalid.
|
---|
1271 | *
|
---|
1272 | * @param pUVM The user mode VM handle.
|
---|
1273 | * @param enmReg The register identifier.
|
---|
1274 | * @param enmType The register type. This is for sort out
|
---|
1275 | * aliases. Pass DBGFREGVALTYPE_INVALID to get
|
---|
1276 | * the standard name.
|
---|
1277 | */
|
---|
1278 | VMMR3DECL(const char *) DBGFR3RegCpuName(PUVM pUVM, DBGFREG enmReg, DBGFREGVALTYPE enmType)
|
---|
1279 | {
|
---|
1280 | AssertReturn(enmReg >= DBGFREG_AL && enmReg < DBGFREG_END, NULL);
|
---|
1281 | AssertReturn(enmType >= DBGFREGVALTYPE_INVALID && enmType < DBGFREGVALTYPE_END, NULL);
|
---|
1282 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
|
---|
1283 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
|
---|
1284 |
|
---|
1285 | PCDBGFREGSET pSet = pUVM->aCpus[0].dbgf.s.pGuestRegSet;
|
---|
1286 | if (RT_UNLIKELY(!pSet))
|
---|
1287 | return NULL;
|
---|
1288 |
|
---|
1289 | PCDBGFREGDESC pDesc = &pSet->paDescs[enmReg];
|
---|
1290 | PCDBGFREGALIAS pAlias = pDesc->paAliases;
|
---|
1291 | if ( pAlias
|
---|
1292 | && pDesc->enmType != enmType
|
---|
1293 | && enmType != DBGFREGVALTYPE_INVALID)
|
---|
1294 | {
|
---|
1295 | while (pAlias->pszName)
|
---|
1296 | {
|
---|
1297 | if (pAlias->enmType == enmType)
|
---|
1298 | return pAlias->pszName;
|
---|
1299 | pAlias++;
|
---|
1300 | }
|
---|
1301 | }
|
---|
1302 |
|
---|
1303 | return pDesc->pszName;
|
---|
1304 | }
|
---|
1305 |
|
---|
1306 |
|
---|
1307 | /**
|
---|
1308 | * Fold the string to lower case and copy it into the destination buffer.
|
---|
1309 | *
|
---|
1310 | * @returns Number of folder characters, -1 on overflow.
|
---|
1311 | * @param pszSrc The source string.
|
---|
1312 | * @param cchSrc How much to fold and copy.
|
---|
1313 | * @param pszDst The output buffer.
|
---|
1314 | * @param cbDst The size of the output buffer.
|
---|
1315 | */
|
---|
1316 | static ssize_t dbgfR3RegCopyToLower(const char *pszSrc, size_t cchSrc, char *pszDst, size_t cbDst)
|
---|
1317 | {
|
---|
1318 | ssize_t cchFolded = 0;
|
---|
1319 | char ch;
|
---|
1320 | while (cchSrc-- > 0 && (ch = *pszSrc++))
|
---|
1321 | {
|
---|
1322 | if (RT_UNLIKELY(cbDst <= 1))
|
---|
1323 | return -1;
|
---|
1324 | cbDst--;
|
---|
1325 |
|
---|
1326 | char chLower = RT_C_TO_LOWER(ch);
|
---|
1327 | cchFolded += chLower != ch;
|
---|
1328 | *pszDst++ = chLower;
|
---|
1329 | }
|
---|
1330 | if (RT_UNLIKELY(!cbDst))
|
---|
1331 | return -1;
|
---|
1332 | *pszDst = '\0';
|
---|
1333 | return cchFolded;
|
---|
1334 | }
|
---|
1335 |
|
---|
1336 |
|
---|
1337 | /**
|
---|
1338 | * Resolves the register name.
|
---|
1339 | *
|
---|
1340 | * @returns Lookup record.
|
---|
1341 | * @param pUVM The user mode VM handle.
|
---|
1342 | * @param idDefCpu The default CPU ID set.
|
---|
1343 | * @param pszReg The register name.
|
---|
1344 | * @param fGuestRegs Default to guest CPU registers if set, the
|
---|
1345 | * hypervisor CPU registers if clear.
|
---|
1346 | */
|
---|
1347 | static PCDBGFREGLOOKUP dbgfR3RegResolve(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, bool fGuestRegs)
|
---|
1348 | {
|
---|
1349 | DBGF_REG_DB_LOCK_READ(pUVM);
|
---|
1350 |
|
---|
1351 | /* Try looking up the name without any case folding or cpu prefixing. */
|
---|
1352 | PRTSTRSPACE pRegSpace = &pUVM->dbgf.s.RegSpace;
|
---|
1353 | PCDBGFREGLOOKUP pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, pszReg);
|
---|
1354 | if (!pLookupRec)
|
---|
1355 | {
|
---|
1356 | char szName[DBGF_REG_MAX_NAME * 4 + 16];
|
---|
1357 |
|
---|
1358 | /* Lower case it and try again. */
|
---|
1359 | ssize_t cchFolded = dbgfR3RegCopyToLower(pszReg, RTSTR_MAX, szName, sizeof(szName) - DBGF_REG_MAX_NAME);
|
---|
1360 | if (cchFolded > 0)
|
---|
1361 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
1362 | if ( !pLookupRec
|
---|
1363 | && cchFolded >= 0
|
---|
1364 | && idDefCpu != VMCPUID_ANY)
|
---|
1365 | {
|
---|
1366 | /* Prefix it with the specified CPU set. */
|
---|
1367 | size_t cchCpuSet = RTStrPrintf(szName, sizeof(szName), fGuestRegs ? "cpu%u." : "hypercpu%u.", idDefCpu);
|
---|
1368 | dbgfR3RegCopyToLower(pszReg, RTSTR_MAX, &szName[cchCpuSet], sizeof(szName) - cchCpuSet);
|
---|
1369 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
1370 | }
|
---|
1371 | }
|
---|
1372 |
|
---|
1373 | DBGF_REG_DB_UNLOCK_READ(pUVM);
|
---|
1374 | return pLookupRec;
|
---|
1375 | }
|
---|
1376 |
|
---|
1377 |
|
---|
1378 | /**
|
---|
1379 | * Validates the register name.
|
---|
1380 | *
|
---|
1381 | * @returns VBox status code.
|
---|
1382 | * @retval VINF_SUCCESS if the register was found.
|
---|
1383 | * @retval VERR_DBGF_REGISTER_NOT_FOUND if not found.
|
---|
1384 | *
|
---|
1385 | * @param pUVM The user mode VM handle.
|
---|
1386 | * @param idDefCpu The default CPU.
|
---|
1387 | * @param pszReg The registe name.
|
---|
1388 | */
|
---|
1389 | VMMR3DECL(int) DBGFR3RegNmValidate(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg)
|
---|
1390 | {
|
---|
1391 | /*
|
---|
1392 | * Validate input.
|
---|
1393 | */
|
---|
1394 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
1395 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
1396 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
1397 | AssertPtrReturn(pszReg, VERR_INVALID_POINTER);
|
---|
1398 |
|
---|
1399 | /*
|
---|
1400 | * Resolve the register.
|
---|
1401 | */
|
---|
1402 | bool fGuestRegs = true;
|
---|
1403 | if ((idDefCpu & DBGFREG_HYPER_VMCPUID) && idDefCpu != VMCPUID_ANY)
|
---|
1404 | {
|
---|
1405 | fGuestRegs = false;
|
---|
1406 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
1407 | }
|
---|
1408 |
|
---|
1409 | PCDBGFREGLOOKUP pLookupRec = dbgfR3RegResolve(pUVM, idDefCpu, pszReg, fGuestRegs);
|
---|
1410 | if (!pLookupRec)
|
---|
1411 | return VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
1412 | return VINF_SUCCESS;
|
---|
1413 | }
|
---|
1414 |
|
---|
1415 |
|
---|
1416 | /**
|
---|
1417 | * On CPU worker for the register queries, used by dbgfR3RegNmQueryWorker and
|
---|
1418 | * dbgfR3RegPrintfCbFormatNormal.
|
---|
1419 | *
|
---|
1420 | * @returns VBox status code.
|
---|
1421 | *
|
---|
1422 | * @param pUVM The user mode VM handle.
|
---|
1423 | * @param pLookupRec The register lookup record.
|
---|
1424 | * @param enmType The desired return type.
|
---|
1425 | * @param pValue Where to return the register value.
|
---|
1426 | * @param penmType Where to store the register value type.
|
---|
1427 | * Optional.
|
---|
1428 | */
|
---|
1429 | static DECLCALLBACK(int) dbgfR3RegNmQueryWorkerOnCpu(PUVM pUVM, PCDBGFREGLOOKUP pLookupRec, DBGFREGVALTYPE enmType,
|
---|
1430 | PDBGFREGVAL pValue, PDBGFREGVALTYPE penmType)
|
---|
1431 | {
|
---|
1432 | PCDBGFREGDESC pDesc = pLookupRec->pDesc;
|
---|
1433 | PCDBGFREGSET pSet = pLookupRec->pSet;
|
---|
1434 | PCDBGFREGSUBFIELD pSubField = pLookupRec->pSubField;
|
---|
1435 | DBGFREGVALTYPE enmValueType = pDesc->enmType;
|
---|
1436 | int rc;
|
---|
1437 |
|
---|
1438 | NOREF(pUVM);
|
---|
1439 |
|
---|
1440 | /*
|
---|
1441 | * Get the register or sub-field value.
|
---|
1442 | */
|
---|
1443 | dbgfR3RegValClear(pValue);
|
---|
1444 | if (!pSubField)
|
---|
1445 | {
|
---|
1446 | rc = pDesc->pfnGet(pSet->uUserArg.pv, pDesc, pValue);
|
---|
1447 | if ( pLookupRec->pAlias
|
---|
1448 | && pLookupRec->pAlias->enmType != enmValueType
|
---|
1449 | && RT_SUCCESS(rc))
|
---|
1450 | {
|
---|
1451 | rc = dbgfR3RegValCast(pValue, enmValueType, pLookupRec->pAlias->enmType);
|
---|
1452 | enmValueType = pLookupRec->pAlias->enmType;
|
---|
1453 | }
|
---|
1454 | }
|
---|
1455 | else
|
---|
1456 | {
|
---|
1457 | if (pSubField->pfnGet)
|
---|
1458 | {
|
---|
1459 | rc = pSubField->pfnGet(pSet->uUserArg.pv, pSubField, &pValue->u128);
|
---|
1460 | enmValueType = DBGFREGVALTYPE_U128;
|
---|
1461 | }
|
---|
1462 | else
|
---|
1463 | {
|
---|
1464 | rc = pDesc->pfnGet(pSet->uUserArg.pv, pDesc, pValue);
|
---|
1465 | if ( pLookupRec->pAlias
|
---|
1466 | && pLookupRec->pAlias->enmType != enmValueType
|
---|
1467 | && RT_SUCCESS(rc))
|
---|
1468 | {
|
---|
1469 | rc = dbgfR3RegValCast(pValue, enmValueType, pLookupRec->pAlias->enmType);
|
---|
1470 | enmValueType = pLookupRec->pAlias->enmType;
|
---|
1471 | }
|
---|
1472 | if (RT_SUCCESS(rc))
|
---|
1473 | {
|
---|
1474 | rc = dbgfR3RegValCast(pValue, enmValueType, DBGFREGVALTYPE_U128);
|
---|
1475 | if (RT_SUCCESS(rc))
|
---|
1476 | {
|
---|
1477 | RTUInt128AssignShiftLeft(&pValue->u128, -pSubField->iFirstBit);
|
---|
1478 | RTUInt128AssignAndNFirstBits(&pValue->u128, pSubField->cBits);
|
---|
1479 | if (pSubField->cShift)
|
---|
1480 | RTUInt128AssignShiftLeft(&pValue->u128, pSubField->cShift);
|
---|
1481 | }
|
---|
1482 | }
|
---|
1483 | }
|
---|
1484 | if (RT_SUCCESS(rc))
|
---|
1485 | {
|
---|
1486 | unsigned const cBits = pSubField->cBits + pSubField->cShift;
|
---|
1487 | if (cBits <= 8)
|
---|
1488 | enmValueType = DBGFREGVALTYPE_U8;
|
---|
1489 | else if (cBits <= 16)
|
---|
1490 | enmValueType = DBGFREGVALTYPE_U16;
|
---|
1491 | else if (cBits <= 32)
|
---|
1492 | enmValueType = DBGFREGVALTYPE_U32;
|
---|
1493 | else if (cBits <= 64)
|
---|
1494 | enmValueType = DBGFREGVALTYPE_U64;
|
---|
1495 | else
|
---|
1496 | enmValueType = DBGFREGVALTYPE_U128;
|
---|
1497 | rc = dbgfR3RegValCast(pValue, DBGFREGVALTYPE_U128, enmValueType);
|
---|
1498 | }
|
---|
1499 | }
|
---|
1500 | if (RT_SUCCESS(rc))
|
---|
1501 | {
|
---|
1502 | /*
|
---|
1503 | * Do the cast if the desired return type doesn't match what
|
---|
1504 | * the getter returned.
|
---|
1505 | */
|
---|
1506 | if ( enmValueType == enmType
|
---|
1507 | || enmType == DBGFREGVALTYPE_END)
|
---|
1508 | {
|
---|
1509 | rc = VINF_SUCCESS;
|
---|
1510 | if (penmType)
|
---|
1511 | *penmType = enmValueType;
|
---|
1512 | }
|
---|
1513 | else
|
---|
1514 | {
|
---|
1515 | rc = dbgfR3RegValCast(pValue, enmValueType, enmType);
|
---|
1516 | if (penmType)
|
---|
1517 | *penmType = RT_SUCCESS(rc) ? enmType : enmValueType;
|
---|
1518 | }
|
---|
1519 | }
|
---|
1520 |
|
---|
1521 | return rc;
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 |
|
---|
1525 | /**
|
---|
1526 | * Worker for the register queries.
|
---|
1527 | *
|
---|
1528 | * @returns VBox status code.
|
---|
1529 | * @retval VINF_SUCCESS
|
---|
1530 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1531 | * @retval VERR_INVALID_CPU_ID
|
---|
1532 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1533 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1534 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1535 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1536 | *
|
---|
1537 | * @param pUVM The user mode VM handle.
|
---|
1538 | * @param idDefCpu The virtual CPU ID for the default CPU register
|
---|
1539 | * set. Can be OR'ed with DBGFREG_HYPER_VMCPUID.
|
---|
1540 | * @param pszReg The register to query.
|
---|
1541 | * @param enmType The desired return type.
|
---|
1542 | * @param pValue Where to return the register value.
|
---|
1543 | * @param penmType Where to store the register value type.
|
---|
1544 | * Optional.
|
---|
1545 | */
|
---|
1546 | static int dbgfR3RegNmQueryWorker(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, DBGFREGVALTYPE enmType,
|
---|
1547 | PDBGFREGVAL pValue, PDBGFREGVALTYPE penmType)
|
---|
1548 | {
|
---|
1549 | /*
|
---|
1550 | * Validate input.
|
---|
1551 | */
|
---|
1552 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
1553 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
1554 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
1555 | AssertPtrReturn(pszReg, VERR_INVALID_POINTER);
|
---|
1556 |
|
---|
1557 | Assert(enmType > DBGFREGVALTYPE_INVALID && enmType <= DBGFREGVALTYPE_END);
|
---|
1558 | AssertPtr(pValue);
|
---|
1559 |
|
---|
1560 | /*
|
---|
1561 | * Resolve the register and call the getter on the relevant CPU.
|
---|
1562 | */
|
---|
1563 | bool fGuestRegs = true;
|
---|
1564 | if ((idDefCpu & DBGFREG_HYPER_VMCPUID) && idDefCpu != VMCPUID_ANY)
|
---|
1565 | {
|
---|
1566 | fGuestRegs = false;
|
---|
1567 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
1568 | }
|
---|
1569 | PCDBGFREGLOOKUP pLookupRec = dbgfR3RegResolve(pUVM, idDefCpu, pszReg, fGuestRegs);
|
---|
1570 | if (pLookupRec)
|
---|
1571 | {
|
---|
1572 | if (pLookupRec->pSet->enmType == DBGFREGSETTYPE_CPU)
|
---|
1573 | idDefCpu = pLookupRec->pSet->uUserArg.pVCpu->idCpu;
|
---|
1574 | else if (idDefCpu != VMCPUID_ANY)
|
---|
1575 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
1576 | return VMR3ReqPriorityCallWaitU(pUVM, idDefCpu, (PFNRT)dbgfR3RegNmQueryWorkerOnCpu, 5,
|
---|
1577 | pUVM, pLookupRec, enmType, pValue, penmType);
|
---|
1578 | }
|
---|
1579 | return VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
1580 | }
|
---|
1581 |
|
---|
1582 |
|
---|
1583 | /**
|
---|
1584 | * Queries a descriptor table register value.
|
---|
1585 | *
|
---|
1586 | * @retval VINF_SUCCESS
|
---|
1587 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1588 | * @retval VERR_INVALID_CPU_ID
|
---|
1589 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1590 | *
|
---|
1591 | * @param pUVM The user mode VM handle.
|
---|
1592 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1593 | * applicable. Can be OR'ed with
|
---|
1594 | * DBGFREG_HYPER_VMCPUID.
|
---|
1595 | * @param pszReg The register that's being queried. Except for
|
---|
1596 | * CPU registers, this must be on the form
|
---|
1597 | * "set.reg[.sub]".
|
---|
1598 | * @param pValue Where to store the register value.
|
---|
1599 | * @param penmType Where to store the register value type.
|
---|
1600 | */
|
---|
1601 | VMMR3DECL(int) DBGFR3RegNmQuery(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, PDBGFREGVAL pValue, PDBGFREGVALTYPE penmType)
|
---|
1602 | {
|
---|
1603 | return dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_END, pValue, penmType);
|
---|
1604 | }
|
---|
1605 |
|
---|
1606 |
|
---|
1607 | /**
|
---|
1608 | * Queries a 8-bit register value.
|
---|
1609 | *
|
---|
1610 | * @retval VINF_SUCCESS
|
---|
1611 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1612 | * @retval VERR_INVALID_CPU_ID
|
---|
1613 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1614 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1615 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1616 | *
|
---|
1617 | * @param pUVM The user mode VM handle.
|
---|
1618 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1619 | * applicable. Can be OR'ed with
|
---|
1620 | * DBGFREG_HYPER_VMCPUID.
|
---|
1621 | * @param pszReg The register that's being queried. Except for
|
---|
1622 | * CPU registers, this must be on the form
|
---|
1623 | * "set.reg[.sub]".
|
---|
1624 | * @param pu8 Where to store the register value.
|
---|
1625 | */
|
---|
1626 | VMMR3DECL(int) DBGFR3RegNmQueryU8(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint8_t *pu8)
|
---|
1627 | {
|
---|
1628 | DBGFREGVAL Value;
|
---|
1629 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U8, &Value, NULL);
|
---|
1630 | if (RT_SUCCESS(rc))
|
---|
1631 | *pu8 = Value.u8;
|
---|
1632 | else
|
---|
1633 | *pu8 = 0;
|
---|
1634 | return rc;
|
---|
1635 | }
|
---|
1636 |
|
---|
1637 |
|
---|
1638 | /**
|
---|
1639 | * Queries a 16-bit register value.
|
---|
1640 | *
|
---|
1641 | * @retval VINF_SUCCESS
|
---|
1642 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1643 | * @retval VERR_INVALID_CPU_ID
|
---|
1644 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1645 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1646 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1647 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1648 | *
|
---|
1649 | * @param pUVM The user mode VM handle.
|
---|
1650 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1651 | * applicable. Can be OR'ed with
|
---|
1652 | * DBGFREG_HYPER_VMCPUID.
|
---|
1653 | * @param pszReg The register that's being queried. Except for
|
---|
1654 | * CPU registers, this must be on the form
|
---|
1655 | * "set.reg[.sub]".
|
---|
1656 | * @param pu16 Where to store the register value.
|
---|
1657 | */
|
---|
1658 | VMMR3DECL(int) DBGFR3RegNmQueryU16(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint16_t *pu16)
|
---|
1659 | {
|
---|
1660 | DBGFREGVAL Value;
|
---|
1661 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U16, &Value, NULL);
|
---|
1662 | if (RT_SUCCESS(rc))
|
---|
1663 | *pu16 = Value.u16;
|
---|
1664 | else
|
---|
1665 | *pu16 = 0;
|
---|
1666 | return rc;
|
---|
1667 | }
|
---|
1668 |
|
---|
1669 |
|
---|
1670 | /**
|
---|
1671 | * Queries a 32-bit register value.
|
---|
1672 | *
|
---|
1673 | * @retval VINF_SUCCESS
|
---|
1674 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1675 | * @retval VERR_INVALID_CPU_ID
|
---|
1676 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1677 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1678 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1679 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1680 | *
|
---|
1681 | * @param pUVM The user mode VM handle.
|
---|
1682 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1683 | * applicable. Can be OR'ed with
|
---|
1684 | * DBGFREG_HYPER_VMCPUID.
|
---|
1685 | * @param pszReg The register that's being queried. Except for
|
---|
1686 | * CPU registers, this must be on the form
|
---|
1687 | * "set.reg[.sub]".
|
---|
1688 | * @param pu32 Where to store the register value.
|
---|
1689 | */
|
---|
1690 | VMMR3DECL(int) DBGFR3RegNmQueryU32(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint32_t *pu32)
|
---|
1691 | {
|
---|
1692 | DBGFREGVAL Value;
|
---|
1693 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U32, &Value, NULL);
|
---|
1694 | if (RT_SUCCESS(rc))
|
---|
1695 | *pu32 = Value.u32;
|
---|
1696 | else
|
---|
1697 | *pu32 = 0;
|
---|
1698 | return rc;
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 |
|
---|
1702 | /**
|
---|
1703 | * Queries a 64-bit register value.
|
---|
1704 | *
|
---|
1705 | * @retval VINF_SUCCESS
|
---|
1706 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1707 | * @retval VERR_INVALID_CPU_ID
|
---|
1708 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1709 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1710 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1711 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1712 | *
|
---|
1713 | * @param pUVM The user mode VM handle.
|
---|
1714 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1715 | * applicable. Can be OR'ed with
|
---|
1716 | * DBGFREG_HYPER_VMCPUID.
|
---|
1717 | * @param pszReg The register that's being queried. Except for
|
---|
1718 | * CPU registers, this must be on the form
|
---|
1719 | * "set.reg[.sub]".
|
---|
1720 | * @param pu64 Where to store the register value.
|
---|
1721 | */
|
---|
1722 | VMMR3DECL(int) DBGFR3RegNmQueryU64(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint64_t *pu64)
|
---|
1723 | {
|
---|
1724 | DBGFREGVAL Value;
|
---|
1725 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U64, &Value, NULL);
|
---|
1726 | if (RT_SUCCESS(rc))
|
---|
1727 | *pu64 = Value.u64;
|
---|
1728 | else
|
---|
1729 | *pu64 = 0;
|
---|
1730 | return rc;
|
---|
1731 | }
|
---|
1732 |
|
---|
1733 |
|
---|
1734 | /**
|
---|
1735 | * Queries a 128-bit register value.
|
---|
1736 | *
|
---|
1737 | * @retval VINF_SUCCESS
|
---|
1738 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1739 | * @retval VERR_INVALID_CPU_ID
|
---|
1740 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1741 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1742 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1743 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1744 | *
|
---|
1745 | * @param pUVM The user mode VM handle.
|
---|
1746 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1747 | * applicable. Can be OR'ed with
|
---|
1748 | * DBGFREG_HYPER_VMCPUID.
|
---|
1749 | * @param pszReg The register that's being queried. Except for
|
---|
1750 | * CPU registers, this must be on the form
|
---|
1751 | * "set.reg[.sub]".
|
---|
1752 | * @param pu128 Where to store the register value.
|
---|
1753 | */
|
---|
1754 | VMMR3DECL(int) DBGFR3RegNmQueryU128(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, PRTUINT128U pu128)
|
---|
1755 | {
|
---|
1756 | DBGFREGVAL Value;
|
---|
1757 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U128, &Value, NULL);
|
---|
1758 | if (RT_SUCCESS(rc))
|
---|
1759 | *pu128 = Value.u128;
|
---|
1760 | else
|
---|
1761 | pu128->s.Hi = pu128->s.Lo = 0;
|
---|
1762 | return rc;
|
---|
1763 | }
|
---|
1764 |
|
---|
1765 |
|
---|
1766 | #if 0
|
---|
1767 | /**
|
---|
1768 | * Queries a long double register value.
|
---|
1769 | *
|
---|
1770 | * @retval VINF_SUCCESS
|
---|
1771 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1772 | * @retval VERR_INVALID_CPU_ID
|
---|
1773 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1774 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1775 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1776 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1777 | *
|
---|
1778 | * @param pUVM The user mode VM handle.
|
---|
1779 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1780 | * applicable. Can be OR'ed with
|
---|
1781 | * DBGFREG_HYPER_VMCPUID.
|
---|
1782 | * @param pszReg The register that's being queried. Except for
|
---|
1783 | * CPU registers, this must be on the form
|
---|
1784 | * "set.reg[.sub]".
|
---|
1785 | * @param plrd Where to store the register value.
|
---|
1786 | */
|
---|
1787 | VMMR3DECL(int) DBGFR3RegNmQueryLrd(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, long double *plrd)
|
---|
1788 | {
|
---|
1789 | DBGFREGVAL Value;
|
---|
1790 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_R80, &Value, NULL);
|
---|
1791 | if (RT_SUCCESS(rc))
|
---|
1792 | *plrd = Value.lrd;
|
---|
1793 | else
|
---|
1794 | *plrd = 0;
|
---|
1795 | return rc;
|
---|
1796 | }
|
---|
1797 | #endif
|
---|
1798 |
|
---|
1799 |
|
---|
1800 | /**
|
---|
1801 | * Queries a descriptor table register value.
|
---|
1802 | *
|
---|
1803 | * @retval VINF_SUCCESS
|
---|
1804 | * @retval VERR_INVALID_VM_HANDLE
|
---|
1805 | * @retval VERR_INVALID_CPU_ID
|
---|
1806 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
1807 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
1808 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
1809 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
1810 | *
|
---|
1811 | * @param pUVM The user mode VM handle.
|
---|
1812 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
1813 | * applicable. Can be OR'ed with
|
---|
1814 | * DBGFREG_HYPER_VMCPUID.
|
---|
1815 | * @param pszReg The register that's being queried. Except for
|
---|
1816 | * CPU registers, this must be on the form
|
---|
1817 | * "set.reg[.sub]".
|
---|
1818 | * @param pu64Base Where to store the register base value.
|
---|
1819 | * @param pu16Limit Where to store the register limit value.
|
---|
1820 | */
|
---|
1821 | VMMR3DECL(int) DBGFR3RegNmQueryXdtr(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint64_t *pu64Base, uint16_t *pu16Limit)
|
---|
1822 | {
|
---|
1823 | DBGFREGVAL Value;
|
---|
1824 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_DTR, &Value, NULL);
|
---|
1825 | if (RT_SUCCESS(rc))
|
---|
1826 | {
|
---|
1827 | *pu64Base = Value.dtr.u64Base;
|
---|
1828 | *pu16Limit = Value.dtr.u32Limit;
|
---|
1829 | }
|
---|
1830 | else
|
---|
1831 | {
|
---|
1832 | *pu64Base = 0;
|
---|
1833 | *pu16Limit = 0;
|
---|
1834 | }
|
---|
1835 | return rc;
|
---|
1836 | }
|
---|
1837 |
|
---|
1838 |
|
---|
1839 | /// @todo VMMR3DECL(int) DBGFR3RegNmQueryBatch(PUVM pUVM,VMCPUID idDefCpu, DBGFREGENTRYNM paRegs, size_t cRegs);
|
---|
1840 |
|
---|
1841 |
|
---|
1842 | /**
|
---|
1843 | * Gets the number of registers returned by DBGFR3RegNmQueryAll.
|
---|
1844 | *
|
---|
1845 | * @returns VBox status code.
|
---|
1846 | * @param pUVM The user mode VM handle.
|
---|
1847 | * @param pcRegs Where to return the register count.
|
---|
1848 | */
|
---|
1849 | VMMR3DECL(int) DBGFR3RegNmQueryAllCount(PUVM pUVM, size_t *pcRegs)
|
---|
1850 | {
|
---|
1851 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
1852 | *pcRegs = pUVM->dbgf.s.cRegs;
|
---|
1853 | return VINF_SUCCESS;
|
---|
1854 | }
|
---|
1855 |
|
---|
1856 |
|
---|
1857 | /**
|
---|
1858 | * Pad register entries.
|
---|
1859 | *
|
---|
1860 | * @param paRegs The output array.
|
---|
1861 | * @param cRegs The size of the output array.
|
---|
1862 | * @param iReg The first register to pad.
|
---|
1863 | * @param cRegsToPad The number of registers to pad.
|
---|
1864 | */
|
---|
1865 | static void dbgfR3RegNmQueryAllPadEntries(PDBGFREGENTRYNM paRegs, size_t cRegs, size_t iReg, size_t cRegsToPad)
|
---|
1866 | {
|
---|
1867 | if (iReg < cRegs)
|
---|
1868 | {
|
---|
1869 | size_t iEndReg = iReg + cRegsToPad;
|
---|
1870 | if (iEndReg > cRegs)
|
---|
1871 | iEndReg = cRegs;
|
---|
1872 | while (iReg < iEndReg)
|
---|
1873 | {
|
---|
1874 | paRegs[iReg].pszName = NULL;
|
---|
1875 | paRegs[iReg].enmType = DBGFREGVALTYPE_END;
|
---|
1876 | dbgfR3RegValClear(&paRegs[iReg].Val);
|
---|
1877 | iReg++;
|
---|
1878 | }
|
---|
1879 | }
|
---|
1880 | }
|
---|
1881 |
|
---|
1882 |
|
---|
1883 | /**
|
---|
1884 | * Query all registers in a set.
|
---|
1885 | *
|
---|
1886 | * @param pSet The set.
|
---|
1887 | * @param cRegsToQuery The number of registers to query.
|
---|
1888 | * @param paRegs The output array.
|
---|
1889 | * @param cRegs The size of the output array.
|
---|
1890 | */
|
---|
1891 | static void dbgfR3RegNmQueryAllInSet(PCDBGFREGSET pSet, size_t cRegsToQuery, PDBGFREGENTRYNM paRegs, size_t cRegs)
|
---|
1892 | {
|
---|
1893 | if (cRegsToQuery > pSet->cDescs)
|
---|
1894 | cRegsToQuery = pSet->cDescs;
|
---|
1895 | if (cRegsToQuery > cRegs)
|
---|
1896 | cRegsToQuery = cRegs;
|
---|
1897 |
|
---|
1898 | for (size_t iReg = 0; iReg < cRegsToQuery; iReg++)
|
---|
1899 | {
|
---|
1900 | paRegs[iReg].enmType = pSet->paDescs[iReg].enmType;
|
---|
1901 | paRegs[iReg].pszName = pSet->paLookupRecs[iReg].Core.pszString;
|
---|
1902 | dbgfR3RegValClear(&paRegs[iReg].Val);
|
---|
1903 | int rc2 = pSet->paDescs[iReg].pfnGet(pSet->uUserArg.pv, &pSet->paDescs[iReg], &paRegs[iReg].Val);
|
---|
1904 | AssertRCSuccess(rc2);
|
---|
1905 | if (RT_FAILURE(rc2))
|
---|
1906 | dbgfR3RegValClear(&paRegs[iReg].Val);
|
---|
1907 | }
|
---|
1908 | }
|
---|
1909 |
|
---|
1910 |
|
---|
1911 | /**
|
---|
1912 | * @callback_method_impl{FNRTSTRSPACECALLBACK, Worker used by
|
---|
1913 | * dbgfR3RegNmQueryAllWorker}
|
---|
1914 | */
|
---|
1915 | static DECLCALLBACK(int) dbgfR3RegNmQueryAllEnum(PRTSTRSPACECORE pStr, void *pvUser)
|
---|
1916 | {
|
---|
1917 | PCDBGFREGSET pSet = (PCDBGFREGSET)pStr;
|
---|
1918 | if (pSet->enmType != DBGFREGSETTYPE_CPU)
|
---|
1919 | {
|
---|
1920 | PDBGFR3REGNMQUERYALLARGS pArgs = (PDBGFR3REGNMQUERYALLARGS)pvUser;
|
---|
1921 | if (pArgs->iReg < pArgs->cRegs)
|
---|
1922 | dbgfR3RegNmQueryAllInSet(pSet, pSet->cDescs, &pArgs->paRegs[pArgs->iReg], pArgs->cRegs - pArgs->iReg);
|
---|
1923 | pArgs->iReg += pSet->cDescs;
|
---|
1924 | }
|
---|
1925 |
|
---|
1926 | return 0;
|
---|
1927 | }
|
---|
1928 |
|
---|
1929 |
|
---|
1930 | /**
|
---|
1931 | * @callback_method_impl{FNVMMEMTRENDEZVOUS, Worker used by DBGFR3RegNmQueryAll}
|
---|
1932 | */
|
---|
1933 | static DECLCALLBACK(VBOXSTRICTRC) dbgfR3RegNmQueryAllWorker(PVM pVM, PVMCPU pVCpu, void *pvUser)
|
---|
1934 | {
|
---|
1935 | PDBGFR3REGNMQUERYALLARGS pArgs = (PDBGFR3REGNMQUERYALLARGS)pvUser;
|
---|
1936 | PDBGFREGENTRYNM paRegs = pArgs->paRegs;
|
---|
1937 | size_t const cRegs = pArgs->cRegs;
|
---|
1938 | PUVM pUVM = pVM->pUVM;
|
---|
1939 | PUVMCPU pUVCpu = pVCpu->pUVCpu;
|
---|
1940 |
|
---|
1941 | DBGF_REG_DB_LOCK_READ(pUVM);
|
---|
1942 |
|
---|
1943 | /*
|
---|
1944 | * My guest CPU registers.
|
---|
1945 | */
|
---|
1946 | size_t iCpuReg = pVCpu->idCpu * DBGFREG_ALL_COUNT;
|
---|
1947 | if (pUVCpu->dbgf.s.pGuestRegSet)
|
---|
1948 | {
|
---|
1949 | if (iCpuReg < cRegs)
|
---|
1950 | dbgfR3RegNmQueryAllInSet(pUVCpu->dbgf.s.pGuestRegSet, DBGFREG_ALL_COUNT, &paRegs[iCpuReg], cRegs - iCpuReg);
|
---|
1951 | }
|
---|
1952 | else
|
---|
1953 | dbgfR3RegNmQueryAllPadEntries(paRegs, cRegs, iCpuReg, DBGFREG_ALL_COUNT);
|
---|
1954 |
|
---|
1955 | /*
|
---|
1956 | * My hypervisor CPU registers.
|
---|
1957 | */
|
---|
1958 | iCpuReg = pUVM->cCpus * DBGFREG_ALL_COUNT + pUVCpu->idCpu * DBGFREG_ALL_COUNT;
|
---|
1959 | if (pUVCpu->dbgf.s.pHyperRegSet)
|
---|
1960 | {
|
---|
1961 | if (iCpuReg < cRegs)
|
---|
1962 | dbgfR3RegNmQueryAllInSet(pUVCpu->dbgf.s.pHyperRegSet, DBGFREG_ALL_COUNT, &paRegs[iCpuReg], cRegs - iCpuReg);
|
---|
1963 | }
|
---|
1964 | else
|
---|
1965 | dbgfR3RegNmQueryAllPadEntries(paRegs, cRegs, iCpuReg, DBGFREG_ALL_COUNT);
|
---|
1966 |
|
---|
1967 | /*
|
---|
1968 | * The primary CPU does all the other registers.
|
---|
1969 | */
|
---|
1970 | if (pUVCpu->idCpu == 0)
|
---|
1971 | {
|
---|
1972 | pArgs->iReg = pUVM->cCpus * DBGFREG_ALL_COUNT * 2;
|
---|
1973 | RTStrSpaceEnumerate(&pUVM->dbgf.s.RegSetSpace, dbgfR3RegNmQueryAllEnum, pArgs);
|
---|
1974 | dbgfR3RegNmQueryAllPadEntries(paRegs, cRegs, pArgs->iReg, cRegs);
|
---|
1975 | }
|
---|
1976 |
|
---|
1977 | DBGF_REG_DB_UNLOCK_READ(pUVM);
|
---|
1978 | return VINF_SUCCESS; /* Ignore errors. */
|
---|
1979 | }
|
---|
1980 |
|
---|
1981 |
|
---|
1982 | /**
|
---|
1983 | * Queries all register.
|
---|
1984 | *
|
---|
1985 | * @returns VBox status code.
|
---|
1986 | * @param pUVM The user mode VM handle.
|
---|
1987 | * @param paRegs The output register value array. The register
|
---|
1988 | * name string is read only and shall not be freed
|
---|
1989 | * or modified.
|
---|
1990 | * @param cRegs The number of entries in @a paRegs. The
|
---|
1991 | * correct size can be obtained by calling
|
---|
1992 | * DBGFR3RegNmQueryAllCount.
|
---|
1993 | */
|
---|
1994 | VMMR3DECL(int) DBGFR3RegNmQueryAll(PUVM pUVM, PDBGFREGENTRYNM paRegs, size_t cRegs)
|
---|
1995 | {
|
---|
1996 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
1997 | PVM pVM = pUVM->pVM;
|
---|
1998 | VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
|
---|
1999 | AssertPtrReturn(paRegs, VERR_INVALID_POINTER);
|
---|
2000 | AssertReturn(cRegs > 0, VERR_OUT_OF_RANGE);
|
---|
2001 |
|
---|
2002 | DBGFR3REGNMQUERYALLARGS Args;
|
---|
2003 | Args.paRegs = paRegs;
|
---|
2004 | Args.cRegs = cRegs;
|
---|
2005 |
|
---|
2006 | return VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ALL_AT_ONCE, dbgfR3RegNmQueryAllWorker, &Args);
|
---|
2007 | }
|
---|
2008 |
|
---|
2009 |
|
---|
2010 | /**
|
---|
2011 | * On CPU worker for the register modifications, used by DBGFR3RegNmSet.
|
---|
2012 | *
|
---|
2013 | * @returns VBox status code.
|
---|
2014 | *
|
---|
2015 | * @param pUVM The user mode VM handle.
|
---|
2016 | * @param pLookupRec The register lookup record. Maybe be modified,
|
---|
2017 | * so please pass a copy of the user's one.
|
---|
2018 | * @param pValue The new register value.
|
---|
2019 | * @param pMask Indicate which bits to modify.
|
---|
2020 | */
|
---|
2021 | static DECLCALLBACK(int) dbgfR3RegNmSetWorkerOnCpu(PUVM pUVM, PDBGFREGLOOKUP pLookupRec,
|
---|
2022 | PCDBGFREGVAL pValue, PCDBGFREGVAL pMask)
|
---|
2023 | {
|
---|
2024 | RT_NOREF_PV(pUVM);
|
---|
2025 | PCDBGFREGSUBFIELD pSubField = pLookupRec->pSubField;
|
---|
2026 | if (pSubField && pSubField->pfnSet)
|
---|
2027 | return pSubField->pfnSet(pLookupRec->pSet->uUserArg.pv, pSubField, pValue->u128, pMask->u128);
|
---|
2028 | return pLookupRec->pDesc->pfnSet(pLookupRec->pSet->uUserArg.pv, pLookupRec->pDesc, pValue, pMask);
|
---|
2029 | }
|
---|
2030 |
|
---|
2031 |
|
---|
2032 | /**
|
---|
2033 | * Worker for the register setting.
|
---|
2034 | *
|
---|
2035 | * @returns VBox status code.
|
---|
2036 | * @retval VINF_SUCCESS
|
---|
2037 | * @retval VERR_INVALID_VM_HANDLE
|
---|
2038 | * @retval VERR_INVALID_CPU_ID
|
---|
2039 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
2040 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
2041 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
2042 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
2043 | *
|
---|
2044 | * @param pUVM The user mode VM handle.
|
---|
2045 | * @param idDefCpu The virtual CPU ID for the default CPU register
|
---|
2046 | * set. Can be OR'ed with DBGFREG_HYPER_VMCPUID.
|
---|
2047 | * @param pszReg The register to query.
|
---|
2048 | * @param pValue The value to set
|
---|
2049 | * @param enmType How to interpret the value in @a pValue.
|
---|
2050 | */
|
---|
2051 | VMMR3DECL(int) DBGFR3RegNmSet(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType)
|
---|
2052 | {
|
---|
2053 | /*
|
---|
2054 | * Validate input.
|
---|
2055 | */
|
---|
2056 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
2057 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
2058 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
2059 | AssertPtrReturn(pszReg, VERR_INVALID_POINTER);
|
---|
2060 | AssertReturn(enmType > DBGFREGVALTYPE_INVALID && enmType < DBGFREGVALTYPE_END, VERR_INVALID_PARAMETER);
|
---|
2061 | AssertPtrReturn(pValue, VERR_INVALID_PARAMETER);
|
---|
2062 |
|
---|
2063 | /*
|
---|
2064 | * Resolve the register and check that it is writable.
|
---|
2065 | */
|
---|
2066 | bool fGuestRegs = true;
|
---|
2067 | if ((idDefCpu & DBGFREG_HYPER_VMCPUID) && idDefCpu != VMCPUID_ANY)
|
---|
2068 | {
|
---|
2069 | fGuestRegs = false;
|
---|
2070 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
2071 | }
|
---|
2072 | PCDBGFREGLOOKUP pLookupRec = dbgfR3RegResolve(pUVM, idDefCpu, pszReg, fGuestRegs);
|
---|
2073 | if (pLookupRec)
|
---|
2074 | {
|
---|
2075 | PCDBGFREGDESC pDesc = pLookupRec->pDesc;
|
---|
2076 | PCDBGFREGSET pSet = pLookupRec->pSet;
|
---|
2077 | PCDBGFREGSUBFIELD pSubField = pLookupRec->pSubField;
|
---|
2078 |
|
---|
2079 | if ( !(pDesc->fFlags & DBGFREG_FLAGS_READ_ONLY)
|
---|
2080 | && (pSubField
|
---|
2081 | ? !(pSubField->fFlags & DBGFREGSUBFIELD_FLAGS_READ_ONLY)
|
---|
2082 | && (pSubField->pfnSet != NULL || pDesc->pfnSet != NULL)
|
---|
2083 | : pDesc->pfnSet != NULL) )
|
---|
2084 | {
|
---|
2085 | /*
|
---|
2086 | * Calculate the modification mask and cast the input value to the
|
---|
2087 | * type of the target register.
|
---|
2088 | */
|
---|
2089 | DBGFREGVAL Mask = DBGFREGVAL_INITIALIZE_ZERO;
|
---|
2090 | DBGFREGVAL Value = DBGFREGVAL_INITIALIZE_ZERO;
|
---|
2091 | switch (enmType)
|
---|
2092 | {
|
---|
2093 | case DBGFREGVALTYPE_U8:
|
---|
2094 | Value.u8 = pValue->u8;
|
---|
2095 | Mask.u8 = UINT8_MAX;
|
---|
2096 | break;
|
---|
2097 | case DBGFREGVALTYPE_U16:
|
---|
2098 | Value.u16 = pValue->u16;
|
---|
2099 | Mask.u16 = UINT16_MAX;
|
---|
2100 | break;
|
---|
2101 | case DBGFREGVALTYPE_U32:
|
---|
2102 | Value.u32 = pValue->u32;
|
---|
2103 | Mask.u32 = UINT32_MAX;
|
---|
2104 | break;
|
---|
2105 | case DBGFREGVALTYPE_U64:
|
---|
2106 | Value.u64 = pValue->u64;
|
---|
2107 | Mask.u64 = UINT64_MAX;
|
---|
2108 | break;
|
---|
2109 | case DBGFREGVALTYPE_U128:
|
---|
2110 | Value.u128 = pValue->u128;
|
---|
2111 | Mask.u128.s.Lo = UINT64_MAX;
|
---|
2112 | Mask.u128.s.Hi = UINT64_MAX;
|
---|
2113 | break;
|
---|
2114 | case DBGFREGVALTYPE_U256:
|
---|
2115 | Value.u256 = pValue->u256;
|
---|
2116 | Mask.u256.QWords.qw0 = UINT64_MAX;
|
---|
2117 | Mask.u256.QWords.qw1 = UINT64_MAX;
|
---|
2118 | Mask.u256.QWords.qw2 = UINT64_MAX;
|
---|
2119 | Mask.u256.QWords.qw3 = UINT64_MAX;
|
---|
2120 | break;
|
---|
2121 | case DBGFREGVALTYPE_U512:
|
---|
2122 | Value.u512 = pValue->u512;
|
---|
2123 | Mask.u512.QWords.qw0 = UINT64_MAX;
|
---|
2124 | Mask.u512.QWords.qw1 = UINT64_MAX;
|
---|
2125 | Mask.u512.QWords.qw2 = UINT64_MAX;
|
---|
2126 | Mask.u512.QWords.qw3 = UINT64_MAX;
|
---|
2127 | Mask.u512.QWords.qw4 = UINT64_MAX;
|
---|
2128 | Mask.u512.QWords.qw5 = UINT64_MAX;
|
---|
2129 | Mask.u512.QWords.qw6 = UINT64_MAX;
|
---|
2130 | Mask.u512.QWords.qw7 = UINT64_MAX;
|
---|
2131 | break;
|
---|
2132 | case DBGFREGVALTYPE_R80:
|
---|
2133 | #ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
|
---|
2134 | Value.r80Ex.lrd = pValue->r80Ex.lrd;
|
---|
2135 | #else
|
---|
2136 | Value.r80Ex.au64[0] = pValue->r80Ex.au64[0];
|
---|
2137 | Value.r80Ex.au16[4] = pValue->r80Ex.au16[4];
|
---|
2138 | #endif
|
---|
2139 | Value.r80Ex.au64[0] = UINT64_MAX;
|
---|
2140 | Value.r80Ex.au16[4] = UINT16_MAX;
|
---|
2141 | break;
|
---|
2142 | case DBGFREGVALTYPE_DTR:
|
---|
2143 | Value.dtr.u32Limit = pValue->dtr.u32Limit;
|
---|
2144 | Value.dtr.u64Base = pValue->dtr.u64Base;
|
---|
2145 | Mask.dtr.u32Limit = UINT32_MAX;
|
---|
2146 | Mask.dtr.u64Base = UINT64_MAX;
|
---|
2147 | break;
|
---|
2148 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
2149 | case DBGFREGVALTYPE_END:
|
---|
2150 | case DBGFREGVALTYPE_INVALID:
|
---|
2151 | AssertFailedReturn(VERR_INTERNAL_ERROR_3);
|
---|
2152 | }
|
---|
2153 |
|
---|
2154 | int rc = VINF_SUCCESS;
|
---|
2155 | DBGFREGVALTYPE enmRegType = pDesc->enmType;
|
---|
2156 | if (pSubField)
|
---|
2157 | {
|
---|
2158 | unsigned const cBits = pSubField->cBits + pSubField->cShift;
|
---|
2159 | if (cBits <= 8)
|
---|
2160 | enmRegType = DBGFREGVALTYPE_U8;
|
---|
2161 | else if (cBits <= 16)
|
---|
2162 | enmRegType = DBGFREGVALTYPE_U16;
|
---|
2163 | else if (cBits <= 32)
|
---|
2164 | enmRegType = DBGFREGVALTYPE_U32;
|
---|
2165 | else if (cBits <= 64)
|
---|
2166 | enmRegType = DBGFREGVALTYPE_U64;
|
---|
2167 | else if (cBits <= 128)
|
---|
2168 | enmRegType = DBGFREGVALTYPE_U128;
|
---|
2169 | else if (cBits <= 256)
|
---|
2170 | enmRegType = DBGFREGVALTYPE_U256;
|
---|
2171 | else
|
---|
2172 | enmRegType = DBGFREGVALTYPE_U512;
|
---|
2173 | }
|
---|
2174 | else if (pLookupRec->pAlias)
|
---|
2175 | {
|
---|
2176 | /* Restrict the input to the size of the alias register. */
|
---|
2177 | DBGFREGVALTYPE enmAliasType = pLookupRec->pAlias->enmType;
|
---|
2178 | if (enmAliasType != enmType)
|
---|
2179 | {
|
---|
2180 | rc = dbgfR3RegValCast(&Value, enmType, enmAliasType);
|
---|
2181 | if (RT_FAILURE(rc))
|
---|
2182 | return rc;
|
---|
2183 | dbgfR3RegValCast(&Mask, enmType, enmAliasType);
|
---|
2184 | enmType = enmAliasType;
|
---|
2185 | }
|
---|
2186 | }
|
---|
2187 |
|
---|
2188 | if (enmType != enmRegType)
|
---|
2189 | {
|
---|
2190 | int rc2 = dbgfR3RegValCast(&Value, enmType, enmRegType);
|
---|
2191 | if (RT_FAILURE(rc2))
|
---|
2192 | return rc2;
|
---|
2193 | if (rc2 != VINF_SUCCESS && rc == VINF_SUCCESS)
|
---|
2194 | rc2 = VINF_SUCCESS;
|
---|
2195 | dbgfR3RegValCast(&Mask, enmType, enmRegType);
|
---|
2196 | }
|
---|
2197 |
|
---|
2198 | /*
|
---|
2199 | * Subfields needs some extra processing if there is no subfield
|
---|
2200 | * setter, since we'll be feeding it to the normal register setter
|
---|
2201 | * instead. The mask and value must be shifted and truncated to the
|
---|
2202 | * subfield position.
|
---|
2203 | */
|
---|
2204 | if (pSubField && !pSubField->pfnSet)
|
---|
2205 | {
|
---|
2206 | /* The shift factor is for displaying a subfield value
|
---|
2207 | 2**cShift times larger than the stored value. We have
|
---|
2208 | to undo this before adjusting value and mask. */
|
---|
2209 | if (pSubField->cShift)
|
---|
2210 | {
|
---|
2211 | /* Warn about trunction of the lower bits that get
|
---|
2212 | shifted out below. */
|
---|
2213 | if (rc == VINF_SUCCESS)
|
---|
2214 | {
|
---|
2215 | DBGFREGVAL Value2 = Value;
|
---|
2216 | RTUInt128AssignAndNFirstBits(&Value2.u128, -pSubField->cShift);
|
---|
2217 | if (!RTUInt128BitAreAllClear(&Value2.u128))
|
---|
2218 | rc = VINF_DBGF_TRUNCATED_REGISTER;
|
---|
2219 | }
|
---|
2220 | RTUInt128AssignShiftRight(&Value.u128, pSubField->cShift);
|
---|
2221 | }
|
---|
2222 |
|
---|
2223 | RTUInt128AssignAndNFirstBits(&Value.u128, pSubField->cBits);
|
---|
2224 | if (rc == VINF_SUCCESS && RTUInt128IsNotEqual(&Value.u128, &Value.u128))
|
---|
2225 | rc = VINF_DBGF_TRUNCATED_REGISTER;
|
---|
2226 | RTUInt128AssignAndNFirstBits(&Mask.u128, pSubField->cBits);
|
---|
2227 |
|
---|
2228 | RTUInt128AssignShiftLeft(&Value.u128, pSubField->iFirstBit);
|
---|
2229 | RTUInt128AssignShiftLeft(&Mask.u128, pSubField->iFirstBit);
|
---|
2230 | }
|
---|
2231 |
|
---|
2232 | /*
|
---|
2233 | * Do the actual work on an EMT.
|
---|
2234 | */
|
---|
2235 | if (pSet->enmType == DBGFREGSETTYPE_CPU)
|
---|
2236 | idDefCpu = pSet->uUserArg.pVCpu->idCpu;
|
---|
2237 | else if (idDefCpu != VMCPUID_ANY)
|
---|
2238 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
2239 |
|
---|
2240 | int rc2 = VMR3ReqPriorityCallWaitU(pUVM, idDefCpu, (PFNRT)dbgfR3RegNmSetWorkerOnCpu, 4,
|
---|
2241 | pUVM, pLookupRec, &Value, &Mask);
|
---|
2242 |
|
---|
2243 | if (rc == VINF_SUCCESS || RT_FAILURE(rc2))
|
---|
2244 | rc = rc2;
|
---|
2245 | return rc;
|
---|
2246 | }
|
---|
2247 | return VERR_DBGF_READ_ONLY_REGISTER;
|
---|
2248 | }
|
---|
2249 | return VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
2250 | }
|
---|
2251 |
|
---|
2252 |
|
---|
2253 | /**
|
---|
2254 | * Set a given set of registers.
|
---|
2255 | *
|
---|
2256 | * @returns VBox status code.
|
---|
2257 | * @retval VINF_SUCCESS
|
---|
2258 | * @retval VERR_INVALID_VM_HANDLE
|
---|
2259 | * @retval VERR_INVALID_CPU_ID
|
---|
2260 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
2261 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
2262 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
2263 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
2264 | *
|
---|
2265 | * @param pUVM The user mode VM handle.
|
---|
2266 | * @param idDefCpu The virtual CPU ID for the default CPU register
|
---|
2267 | * set. Can be OR'ed with DBGFREG_HYPER_VMCPUID.
|
---|
2268 | * @param paRegs The array of registers to set.
|
---|
2269 | * @param cRegs Number of registers in the array.
|
---|
2270 | *
|
---|
2271 | * @todo This is a _very_ lazy implementation by a lazy developer, some semantics
|
---|
2272 | * need to be figured out before the real implementation especially how and
|
---|
2273 | * when errors and informational status codes like VINF_DBGF_TRUNCATED_REGISTER
|
---|
2274 | * should be returned (think of an error right in the middle of the batch, should we
|
---|
2275 | * save the state and roll back?).
|
---|
2276 | */
|
---|
2277 | VMMR3DECL(int) DBGFR3RegNmSetBatch(PUVM pUVM, VMCPUID idDefCpu, PCDBGFREGENTRYNM paRegs, size_t cRegs)
|
---|
2278 | {
|
---|
2279 | /*
|
---|
2280 | * Validate input.
|
---|
2281 | */
|
---|
2282 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
2283 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
2284 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
2285 | AssertPtrReturn(paRegs, VERR_INVALID_PARAMETER);
|
---|
2286 | AssertReturn(cRegs > 0, VERR_INVALID_PARAMETER);
|
---|
2287 |
|
---|
2288 | for (uint32_t i = 0; i < cRegs; i++)
|
---|
2289 | {
|
---|
2290 | int rc = DBGFR3RegNmSet(pUVM, idDefCpu, paRegs[i].pszName, &paRegs[i].Val, paRegs[i].enmType);
|
---|
2291 | if (RT_FAILURE(rc))
|
---|
2292 | return rc;
|
---|
2293 | }
|
---|
2294 |
|
---|
2295 | return VINF_SUCCESS;
|
---|
2296 | }
|
---|
2297 |
|
---|
2298 |
|
---|
2299 | /**
|
---|
2300 | * Internal worker for DBGFR3RegFormatValue, cbBuf is sufficent.
|
---|
2301 | *
|
---|
2302 | * @copydoc DBGFR3RegFormatValueEx
|
---|
2303 | */
|
---|
2304 | DECLINLINE(ssize_t) dbgfR3RegFormatValueInt(char *pszBuf, size_t cbBuf, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType,
|
---|
2305 | unsigned uBase, signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
|
---|
2306 | {
|
---|
2307 | switch (enmType)
|
---|
2308 | {
|
---|
2309 | case DBGFREGVALTYPE_U8:
|
---|
2310 | return RTStrFormatU8(pszBuf, cbBuf, pValue->u8, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2311 | case DBGFREGVALTYPE_U16:
|
---|
2312 | return RTStrFormatU16(pszBuf, cbBuf, pValue->u16, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2313 | case DBGFREGVALTYPE_U32:
|
---|
2314 | return RTStrFormatU32(pszBuf, cbBuf, pValue->u32, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2315 | case DBGFREGVALTYPE_U64:
|
---|
2316 | return RTStrFormatU64(pszBuf, cbBuf, pValue->u64, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2317 | case DBGFREGVALTYPE_U128:
|
---|
2318 | return RTStrFormatU128(pszBuf, cbBuf, &pValue->u128, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2319 | case DBGFREGVALTYPE_U256:
|
---|
2320 | return RTStrFormatU256(pszBuf, cbBuf, &pValue->u256, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2321 | case DBGFREGVALTYPE_U512:
|
---|
2322 | return RTStrFormatU512(pszBuf, cbBuf, &pValue->u512, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2323 | case DBGFREGVALTYPE_R80:
|
---|
2324 | return RTStrFormatR80u2(pszBuf, cbBuf, &pValue->r80Ex, cchWidth, cchPrecision, fFlags);
|
---|
2325 | case DBGFREGVALTYPE_DTR:
|
---|
2326 | {
|
---|
2327 | ssize_t cch = RTStrFormatU64(pszBuf, cbBuf, pValue->dtr.u64Base,
|
---|
2328 | 16, 2+16, 0, RTSTR_F_SPECIAL | RTSTR_F_ZEROPAD);
|
---|
2329 | AssertReturn(cch > 0, VERR_DBGF_REG_IPE_1);
|
---|
2330 | pszBuf[cch++] = ':';
|
---|
2331 | cch += RTStrFormatU64(&pszBuf[cch], cbBuf - cch, pValue->dtr.u32Limit,
|
---|
2332 | 16, 4, 0, RTSTR_F_ZEROPAD | RTSTR_F_32BIT);
|
---|
2333 | return cch;
|
---|
2334 | }
|
---|
2335 |
|
---|
2336 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
2337 | case DBGFREGVALTYPE_END:
|
---|
2338 | case DBGFREGVALTYPE_INVALID:
|
---|
2339 | break;
|
---|
2340 | /* no default, want gcc warnings */
|
---|
2341 | }
|
---|
2342 |
|
---|
2343 | RTStrPrintf(pszBuf, cbBuf, "!enmType=%d!", enmType);
|
---|
2344 | return VERR_DBGF_REG_IPE_2;
|
---|
2345 | }
|
---|
2346 |
|
---|
2347 |
|
---|
2348 | /**
|
---|
2349 | * Format a register value, extended version.
|
---|
2350 | *
|
---|
2351 | * @returns The number of bytes returned, VERR_BUFFER_OVERFLOW on failure.
|
---|
2352 | * @param pszBuf The output buffer.
|
---|
2353 | * @param cbBuf The size of the output buffer.
|
---|
2354 | * @param pValue The value to format.
|
---|
2355 | * @param enmType The value type.
|
---|
2356 | * @param uBase The base (ignored if not applicable).
|
---|
2357 | * @param cchWidth The width if RTSTR_F_WIDTH is set, otherwise
|
---|
2358 | * ignored.
|
---|
2359 | * @param cchPrecision The width if RTSTR_F_PRECISION is set, otherwise
|
---|
2360 | * ignored.
|
---|
2361 | * @param fFlags String formatting flags, RTSTR_F_XXX.
|
---|
2362 | */
|
---|
2363 | VMMR3DECL(ssize_t) DBGFR3RegFormatValueEx(char *pszBuf, size_t cbBuf, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType,
|
---|
2364 | unsigned uBase, signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
|
---|
2365 | {
|
---|
2366 | /*
|
---|
2367 | * Format to temporary buffer using worker shared with dbgfR3RegPrintfCbFormatNormal.
|
---|
2368 | */
|
---|
2369 | char szTmp[160];
|
---|
2370 | ssize_t cchOutput = dbgfR3RegFormatValueInt(szTmp, sizeof(szTmp), pValue, enmType, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2371 | if (cchOutput > 0)
|
---|
2372 | {
|
---|
2373 | if ((size_t)cchOutput < cbBuf)
|
---|
2374 | memcpy(pszBuf, szTmp, cchOutput + 1);
|
---|
2375 | else
|
---|
2376 | {
|
---|
2377 | if (cbBuf)
|
---|
2378 | {
|
---|
2379 | memcpy(pszBuf, szTmp, cbBuf - 1);
|
---|
2380 | pszBuf[cbBuf - 1] = '\0';
|
---|
2381 | }
|
---|
2382 | cchOutput = VERR_BUFFER_OVERFLOW;
|
---|
2383 | }
|
---|
2384 | }
|
---|
2385 | return cchOutput;
|
---|
2386 | }
|
---|
2387 |
|
---|
2388 |
|
---|
2389 | /**
|
---|
2390 | * Format a register value as hexadecimal and with default width according to
|
---|
2391 | * the type.
|
---|
2392 | *
|
---|
2393 | * @returns The number of bytes returned, VERR_BUFFER_OVERFLOW on failure.
|
---|
2394 | * @param pszBuf The output buffer.
|
---|
2395 | * @param cbBuf The size of the output buffer.
|
---|
2396 | * @param pValue The value to format.
|
---|
2397 | * @param enmType The value type.
|
---|
2398 | * @param fSpecial Same as RTSTR_F_SPECIAL.
|
---|
2399 | */
|
---|
2400 | VMMR3DECL(ssize_t) DBGFR3RegFormatValue(char *pszBuf, size_t cbBuf, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType, bool fSpecial)
|
---|
2401 | {
|
---|
2402 | int cchWidth = 0;
|
---|
2403 | switch (enmType)
|
---|
2404 | {
|
---|
2405 | case DBGFREGVALTYPE_U8: cchWidth = 2 + fSpecial*2; break;
|
---|
2406 | case DBGFREGVALTYPE_U16: cchWidth = 4 + fSpecial*2; break;
|
---|
2407 | case DBGFREGVALTYPE_U32: cchWidth = 8 + fSpecial*2; break;
|
---|
2408 | case DBGFREGVALTYPE_U64: cchWidth = 16 + fSpecial*2; break;
|
---|
2409 | case DBGFREGVALTYPE_U128: cchWidth = 32 + fSpecial*2; break;
|
---|
2410 | case DBGFREGVALTYPE_U256: cchWidth = 64 + fSpecial*2; break;
|
---|
2411 | case DBGFREGVALTYPE_U512: cchWidth = 128 + fSpecial*2; break;
|
---|
2412 | case DBGFREGVALTYPE_R80: cchWidth = 0; break;
|
---|
2413 | case DBGFREGVALTYPE_DTR: cchWidth = 16+1+4 + fSpecial*2; break;
|
---|
2414 |
|
---|
2415 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
2416 | case DBGFREGVALTYPE_END:
|
---|
2417 | case DBGFREGVALTYPE_INVALID:
|
---|
2418 | break;
|
---|
2419 | /* no default, want gcc warnings */
|
---|
2420 | }
|
---|
2421 | uint32_t fFlags = RTSTR_F_ZEROPAD;
|
---|
2422 | if (fSpecial)
|
---|
2423 | fFlags |= RTSTR_F_SPECIAL;
|
---|
2424 | if (cchWidth != 0)
|
---|
2425 | fFlags |= RTSTR_F_WIDTH;
|
---|
2426 | return DBGFR3RegFormatValueEx(pszBuf, cbBuf, pValue, enmType, 16, cchWidth, 0, fFlags);
|
---|
2427 | }
|
---|
2428 |
|
---|
2429 |
|
---|
2430 | /**
|
---|
2431 | * Format a register using special hacks as well as sub-field specifications
|
---|
2432 | * (the latter isn't implemented yet).
|
---|
2433 | */
|
---|
2434 | static size_t
|
---|
2435 | dbgfR3RegPrintfCbFormatField(PDBGFR3REGPRINTFARGS pThis, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
|
---|
2436 | PCDBGFREGLOOKUP pLookupRec, int cchWidth, int cchPrecision, unsigned fFlags)
|
---|
2437 | {
|
---|
2438 | char szTmp[160];
|
---|
2439 |
|
---|
2440 | NOREF(cchWidth); NOREF(cchPrecision); NOREF(fFlags);
|
---|
2441 |
|
---|
2442 | /*
|
---|
2443 | * Retrieve the register value.
|
---|
2444 | */
|
---|
2445 | DBGFREGVAL Value;
|
---|
2446 | DBGFREGVALTYPE enmType;
|
---|
2447 | int rc = dbgfR3RegNmQueryWorkerOnCpu(pThis->pUVM, pLookupRec, DBGFREGVALTYPE_END, &Value, &enmType);
|
---|
2448 | if (RT_FAILURE(rc))
|
---|
2449 | {
|
---|
2450 | ssize_t cchDefine = RTErrQueryDefine(rc, szTmp, sizeof(szTmp), true /*fFailIfUnknown*/);
|
---|
2451 | if (cchDefine <= 0)
|
---|
2452 | cchDefine = RTStrPrintf(szTmp, sizeof(szTmp), "rc=%d", rc);
|
---|
2453 | return pfnOutput(pvArgOutput, szTmp, cchDefine);
|
---|
2454 | }
|
---|
2455 |
|
---|
2456 | char *psz = szTmp;
|
---|
2457 |
|
---|
2458 | /*
|
---|
2459 | * Special case: Format eflags.
|
---|
2460 | */
|
---|
2461 | if ( pLookupRec->pSet->enmType == DBGFREGSETTYPE_CPU
|
---|
2462 | && pLookupRec->pDesc->enmReg == DBGFREG_RFLAGS
|
---|
2463 | && pLookupRec->pSubField == NULL)
|
---|
2464 | {
|
---|
2465 | rc = dbgfR3RegValCast(&Value, enmType, DBGFREGVALTYPE_U32);
|
---|
2466 | AssertRC(rc);
|
---|
2467 | uint32_t const efl = Value.u32;
|
---|
2468 |
|
---|
2469 | /* the iopl */
|
---|
2470 | psz += RTStrPrintf(psz, sizeof(szTmp) / 2, "iopl=%u ", X86_EFL_GET_IOPL(efl));
|
---|
2471 |
|
---|
2472 | /* add flags */
|
---|
2473 | static const struct
|
---|
2474 | {
|
---|
2475 | const char *pszSet;
|
---|
2476 | const char *pszClear;
|
---|
2477 | uint32_t fFlag;
|
---|
2478 | } aFlags[] =
|
---|
2479 | {
|
---|
2480 | { "vip",NULL, X86_EFL_VIP },
|
---|
2481 | { "vif",NULL, X86_EFL_VIF },
|
---|
2482 | { "ac", NULL, X86_EFL_AC },
|
---|
2483 | { "vm", NULL, X86_EFL_VM },
|
---|
2484 | { "rf", NULL, X86_EFL_RF },
|
---|
2485 | { "nt", NULL, X86_EFL_NT },
|
---|
2486 | { "ov", "nv", X86_EFL_OF },
|
---|
2487 | { "dn", "up", X86_EFL_DF },
|
---|
2488 | { "ei", "di", X86_EFL_IF },
|
---|
2489 | { "tf", NULL, X86_EFL_TF },
|
---|
2490 | { "ng", "pl", X86_EFL_SF },
|
---|
2491 | { "zr", "nz", X86_EFL_ZF },
|
---|
2492 | { "ac", "na", X86_EFL_AF },
|
---|
2493 | { "po", "pe", X86_EFL_PF },
|
---|
2494 | { "cy", "nc", X86_EFL_CF },
|
---|
2495 | };
|
---|
2496 | for (unsigned i = 0; i < RT_ELEMENTS(aFlags); i++)
|
---|
2497 | {
|
---|
2498 | const char *pszAdd = aFlags[i].fFlag & efl ? aFlags[i].pszSet : aFlags[i].pszClear;
|
---|
2499 | if (pszAdd)
|
---|
2500 | {
|
---|
2501 | *psz++ = *pszAdd++;
|
---|
2502 | *psz++ = *pszAdd++;
|
---|
2503 | if (*pszAdd)
|
---|
2504 | *psz++ = *pszAdd++;
|
---|
2505 | *psz++ = ' ';
|
---|
2506 | }
|
---|
2507 | }
|
---|
2508 |
|
---|
2509 | /* drop trailing space */
|
---|
2510 | psz--;
|
---|
2511 | }
|
---|
2512 | else
|
---|
2513 | {
|
---|
2514 | /*
|
---|
2515 | * General case.
|
---|
2516 | */
|
---|
2517 | AssertMsgFailed(("Not implemented: %s\n", pLookupRec->Core.pszString));
|
---|
2518 | return pfnOutput(pvArgOutput, pLookupRec->Core.pszString, pLookupRec->Core.cchString);
|
---|
2519 | }
|
---|
2520 |
|
---|
2521 | /* Output the string. */
|
---|
2522 | return pfnOutput(pvArgOutput, szTmp, psz - &szTmp[0]);
|
---|
2523 | }
|
---|
2524 |
|
---|
2525 |
|
---|
2526 | /**
|
---|
2527 | * Formats a register having parsed up to the register name.
|
---|
2528 | */
|
---|
2529 | static size_t
|
---|
2530 | dbgfR3RegPrintfCbFormatNormal(PDBGFR3REGPRINTFARGS pThis, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
|
---|
2531 | PCDBGFREGLOOKUP pLookupRec, unsigned uBase, int cchWidth, int cchPrecision, unsigned fFlags)
|
---|
2532 | {
|
---|
2533 | char szTmp[160];
|
---|
2534 |
|
---|
2535 | /*
|
---|
2536 | * Get the register value.
|
---|
2537 | */
|
---|
2538 | DBGFREGVAL Value;
|
---|
2539 | DBGFREGVALTYPE enmType;
|
---|
2540 | int rc = dbgfR3RegNmQueryWorkerOnCpu(pThis->pUVM, pLookupRec, DBGFREGVALTYPE_END, &Value, &enmType);
|
---|
2541 | if (RT_FAILURE(rc))
|
---|
2542 | {
|
---|
2543 | ssize_t cchDefine = RTErrQueryDefine(rc, szTmp, sizeof(szTmp), true /*fFailIfUnknown*/);
|
---|
2544 | if (cchDefine <= 0)
|
---|
2545 | cchDefine = RTStrPrintf(szTmp, sizeof(szTmp), "rc=%d", rc);
|
---|
2546 | return pfnOutput(pvArgOutput, szTmp, cchDefine);
|
---|
2547 | }
|
---|
2548 |
|
---|
2549 | /*
|
---|
2550 | * Format the value.
|
---|
2551 | */
|
---|
2552 | ssize_t cchOutput = dbgfR3RegFormatValueInt(szTmp, sizeof(szTmp), &Value, enmType, uBase, cchWidth, cchPrecision, fFlags);
|
---|
2553 | if (RT_UNLIKELY(cchOutput <= 0))
|
---|
2554 | {
|
---|
2555 | AssertFailed();
|
---|
2556 | return pfnOutput(pvArgOutput, "internal-error", sizeof("internal-error") - 1);
|
---|
2557 | }
|
---|
2558 | return pfnOutput(pvArgOutput, szTmp, cchOutput);
|
---|
2559 | }
|
---|
2560 |
|
---|
2561 |
|
---|
2562 | /**
|
---|
2563 | * @callback_method_impl{FNSTRFORMAT}
|
---|
2564 | */
|
---|
2565 | static DECLCALLBACK(size_t)
|
---|
2566 | dbgfR3RegPrintfCbFormat(void *pvArg, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
|
---|
2567 | const char **ppszFormat, va_list *pArgs, int cchWidth,
|
---|
2568 | int cchPrecision, unsigned fFlags, char chArgSize)
|
---|
2569 | {
|
---|
2570 | NOREF(pArgs); NOREF(chArgSize);
|
---|
2571 |
|
---|
2572 | /*
|
---|
2573 | * Parse the format type and hand the job to the appropriate worker.
|
---|
2574 | */
|
---|
2575 | PDBGFR3REGPRINTFARGS pThis = (PDBGFR3REGPRINTFARGS)pvArg;
|
---|
2576 | const char *pszFormat = *ppszFormat;
|
---|
2577 | if ( pszFormat[0] != 'V'
|
---|
2578 | || pszFormat[1] != 'R')
|
---|
2579 | {
|
---|
2580 | AssertMsgFailed(("'%s'\n", pszFormat));
|
---|
2581 | return 0;
|
---|
2582 | }
|
---|
2583 | unsigned offCurly = 2;
|
---|
2584 | if (pszFormat[offCurly] != '{')
|
---|
2585 | {
|
---|
2586 | AssertMsgReturn(pszFormat[offCurly], ("'%s'\n", pszFormat), 0);
|
---|
2587 | offCurly++;
|
---|
2588 | AssertMsgReturn(pszFormat[offCurly] == '{', ("'%s'\n", pszFormat), 0);
|
---|
2589 | }
|
---|
2590 | const char *pachReg = &pszFormat[offCurly + 1];
|
---|
2591 |
|
---|
2592 | /*
|
---|
2593 | * The end and length of the register.
|
---|
2594 | */
|
---|
2595 | const char *pszEnd = strchr(pachReg, '}');
|
---|
2596 | AssertMsgReturn(pszEnd, ("Missing closing curly bracket: '%s'\n", pszFormat), 0);
|
---|
2597 | size_t const cchReg = pszEnd - pachReg;
|
---|
2598 |
|
---|
2599 | /*
|
---|
2600 | * Look up the register - same as dbgfR3RegResolve, except for locking and
|
---|
2601 | * input string termination.
|
---|
2602 | */
|
---|
2603 | PRTSTRSPACE pRegSpace = &pThis->pUVM->dbgf.s.RegSpace;
|
---|
2604 | /* Try looking up the name without any case folding or cpu prefixing. */
|
---|
2605 | PCDBGFREGLOOKUP pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGetN(pRegSpace, pachReg, cchReg);
|
---|
2606 | if (!pLookupRec)
|
---|
2607 | {
|
---|
2608 | /* Lower case it and try again. */
|
---|
2609 | char szName[DBGF_REG_MAX_NAME * 4 + 16];
|
---|
2610 | ssize_t cchFolded = dbgfR3RegCopyToLower(pachReg, cchReg, szName, sizeof(szName) - DBGF_REG_MAX_NAME);
|
---|
2611 | if (cchFolded > 0)
|
---|
2612 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
2613 | if ( !pLookupRec
|
---|
2614 | && cchFolded >= 0
|
---|
2615 | && pThis->idCpu != VMCPUID_ANY)
|
---|
2616 | {
|
---|
2617 | /* Prefix it with the specified CPU set. */
|
---|
2618 | size_t cchCpuSet = RTStrPrintf(szName, sizeof(szName), pThis->fGuestRegs ? "cpu%u." : "hypercpu%u.", pThis->idCpu);
|
---|
2619 | dbgfR3RegCopyToLower(pachReg, cchReg, &szName[cchCpuSet], sizeof(szName) - cchCpuSet);
|
---|
2620 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
2621 | }
|
---|
2622 | }
|
---|
2623 | AssertMsgReturn(pLookupRec, ("'%s'\n", pszFormat), 0);
|
---|
2624 | AssertMsgReturn( pLookupRec->pSet->enmType != DBGFREGSETTYPE_CPU
|
---|
2625 | || pLookupRec->pSet->uUserArg.pVCpu->idCpu == pThis->idCpu,
|
---|
2626 | ("'%s' idCpu=%u, pSet/cpu=%u\n", pszFormat, pThis->idCpu, pLookupRec->pSet->uUserArg.pVCpu->idCpu),
|
---|
2627 | 0);
|
---|
2628 |
|
---|
2629 | /*
|
---|
2630 | * Commit the parsed format string. Up to this point it is nice to know
|
---|
2631 | * what register lookup failed and such, so we've delayed comitting.
|
---|
2632 | */
|
---|
2633 | *ppszFormat = pszEnd + 1;
|
---|
2634 |
|
---|
2635 | /*
|
---|
2636 | * Call the responsible worker.
|
---|
2637 | */
|
---|
2638 | switch (pszFormat[offCurly - 1])
|
---|
2639 | {
|
---|
2640 | case 'R': /* %VR{} */
|
---|
2641 | case 'X': /* %VRX{} */
|
---|
2642 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
2643 | 16, cchWidth, cchPrecision, fFlags);
|
---|
2644 | case 'U':
|
---|
2645 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
2646 | 10, cchWidth, cchPrecision, fFlags);
|
---|
2647 | case 'O':
|
---|
2648 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
2649 | 8, cchWidth, cchPrecision, fFlags);
|
---|
2650 | case 'B':
|
---|
2651 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
2652 | 2, cchWidth, cchPrecision, fFlags);
|
---|
2653 | case 'F':
|
---|
2654 | return dbgfR3RegPrintfCbFormatField(pThis, pfnOutput, pvArgOutput, pLookupRec, cchWidth, cchPrecision, fFlags);
|
---|
2655 | default:
|
---|
2656 | AssertFailed();
|
---|
2657 | return 0;
|
---|
2658 | }
|
---|
2659 | }
|
---|
2660 |
|
---|
2661 |
|
---|
2662 |
|
---|
2663 | /**
|
---|
2664 | * @callback_method_impl{FNRTSTROUTPUT}
|
---|
2665 | */
|
---|
2666 | static DECLCALLBACK(size_t)
|
---|
2667 | dbgfR3RegPrintfCbOutput(void *pvArg, const char *pachChars, size_t cbChars)
|
---|
2668 | {
|
---|
2669 | PDBGFR3REGPRINTFARGS pArgs = (PDBGFR3REGPRINTFARGS)pvArg;
|
---|
2670 | size_t cbToCopy = cbChars;
|
---|
2671 | if (cbToCopy >= pArgs->cchLeftBuf)
|
---|
2672 | {
|
---|
2673 | if (RT_SUCCESS(pArgs->rc))
|
---|
2674 | pArgs->rc = VERR_BUFFER_OVERFLOW;
|
---|
2675 | cbToCopy = pArgs->cchLeftBuf;
|
---|
2676 | }
|
---|
2677 | if (cbToCopy > 0)
|
---|
2678 | {
|
---|
2679 | memcpy(&pArgs->pszBuf[pArgs->offBuf], pachChars, cbToCopy);
|
---|
2680 | pArgs->offBuf += cbToCopy;
|
---|
2681 | pArgs->cchLeftBuf -= cbToCopy;
|
---|
2682 | pArgs->pszBuf[pArgs->offBuf] = '\0';
|
---|
2683 | }
|
---|
2684 | return cbToCopy;
|
---|
2685 | }
|
---|
2686 |
|
---|
2687 |
|
---|
2688 | /**
|
---|
2689 | * On CPU worker for the register formatting, used by DBGFR3RegPrintfV.
|
---|
2690 | *
|
---|
2691 | * @returns VBox status code.
|
---|
2692 | *
|
---|
2693 | * @param pArgs The argument package and state.
|
---|
2694 | */
|
---|
2695 | static DECLCALLBACK(int) dbgfR3RegPrintfWorkerOnCpu(PDBGFR3REGPRINTFARGS pArgs)
|
---|
2696 | {
|
---|
2697 | DBGF_REG_DB_LOCK_READ(pArgs->pUVM);
|
---|
2698 | RTStrFormatV(dbgfR3RegPrintfCbOutput, pArgs, dbgfR3RegPrintfCbFormat, pArgs, pArgs->pszFormat, pArgs->va);
|
---|
2699 | DBGF_REG_DB_UNLOCK_READ(pArgs->pUVM);
|
---|
2700 | return pArgs->rc;
|
---|
2701 | }
|
---|
2702 |
|
---|
2703 |
|
---|
2704 | /**
|
---|
2705 | * Format a registers.
|
---|
2706 | *
|
---|
2707 | * This is restricted to registers from one CPU, that specified by @a idCpu.
|
---|
2708 | *
|
---|
2709 | * @returns VBox status code.
|
---|
2710 | * @param pUVM The user mode VM handle.
|
---|
2711 | * @param idCpu The CPU ID of any CPU registers that may be
|
---|
2712 | * printed, pass VMCPUID_ANY if not applicable.
|
---|
2713 | * @param pszBuf The output buffer.
|
---|
2714 | * @param cbBuf The size of the output buffer.
|
---|
2715 | * @param pszFormat The format string. Register names are given by
|
---|
2716 | * %VR{name}, they take no arguments.
|
---|
2717 | * @param va Other format arguments.
|
---|
2718 | */
|
---|
2719 | VMMR3DECL(int) DBGFR3RegPrintfV(PUVM pUVM, VMCPUID idCpu, char *pszBuf, size_t cbBuf, const char *pszFormat, va_list va)
|
---|
2720 | {
|
---|
2721 | AssertPtrReturn(pszBuf, VERR_INVALID_POINTER);
|
---|
2722 | AssertReturn(cbBuf > 0, VERR_BUFFER_OVERFLOW);
|
---|
2723 | *pszBuf = '\0';
|
---|
2724 |
|
---|
2725 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
2726 | AssertReturn((idCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
2727 | AssertPtrReturn(pszFormat, VERR_INVALID_POINTER);
|
---|
2728 |
|
---|
2729 | /*
|
---|
2730 | * Set up an argument package and execute the formatting on the
|
---|
2731 | * specified CPU.
|
---|
2732 | */
|
---|
2733 | DBGFR3REGPRINTFARGS Args;
|
---|
2734 | Args.pUVM = pUVM;
|
---|
2735 | Args.idCpu = idCpu != VMCPUID_ANY ? idCpu & ~DBGFREG_HYPER_VMCPUID : idCpu;
|
---|
2736 | Args.fGuestRegs = idCpu != VMCPUID_ANY && !(idCpu & DBGFREG_HYPER_VMCPUID);
|
---|
2737 | Args.pszBuf = pszBuf;
|
---|
2738 | Args.pszFormat = pszFormat;
|
---|
2739 | va_copy(Args.va, va);
|
---|
2740 | Args.offBuf = 0;
|
---|
2741 | Args.cchLeftBuf = cbBuf - 1;
|
---|
2742 | Args.rc = VINF_SUCCESS;
|
---|
2743 | int rc = VMR3ReqPriorityCallWaitU(pUVM, Args.idCpu, (PFNRT)dbgfR3RegPrintfWorkerOnCpu, 1, &Args);
|
---|
2744 | va_end(Args.va);
|
---|
2745 | return rc;
|
---|
2746 | }
|
---|
2747 |
|
---|
2748 |
|
---|
2749 | /**
|
---|
2750 | * Format a registers.
|
---|
2751 | *
|
---|
2752 | * This is restricted to registers from one CPU, that specified by @a idCpu.
|
---|
2753 | *
|
---|
2754 | * @returns VBox status code.
|
---|
2755 | * @param pUVM The user mode VM handle.
|
---|
2756 | * @param idCpu The CPU ID of any CPU registers that may be
|
---|
2757 | * printed, pass VMCPUID_ANY if not applicable.
|
---|
2758 | * @param pszBuf The output buffer.
|
---|
2759 | * @param cbBuf The size of the output buffer.
|
---|
2760 | * @param pszFormat The format string. Register names are given by
|
---|
2761 | * %VR{name}, %VRU{name}, %VRO{name} and
|
---|
2762 | * %VRB{name}, which are hexadecimal, (unsigned)
|
---|
2763 | * decimal, octal and binary representation. None
|
---|
2764 | * of these types takes any arguments.
|
---|
2765 | * @param ... Other format arguments.
|
---|
2766 | */
|
---|
2767 | VMMR3DECL(int) DBGFR3RegPrintf(PUVM pUVM, VMCPUID idCpu, char *pszBuf, size_t cbBuf, const char *pszFormat, ...)
|
---|
2768 | {
|
---|
2769 | va_list va;
|
---|
2770 | va_start(va, pszFormat);
|
---|
2771 | int rc = DBGFR3RegPrintfV(pUVM, idCpu, pszBuf, cbBuf, pszFormat, va);
|
---|
2772 | va_end(va);
|
---|
2773 | return rc;
|
---|
2774 | }
|
---|
2775 |
|
---|