1 | /** @file
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2 | * Debugger Interfaces. (VBoxDbg)
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3 | *
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4 | * This header covers all external interfaces of the Debugger module.
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5 | * However, it does not cover the DBGF interface since that part of the
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6 | * VMM. Use dbgf.h for that.
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7 | */
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8 |
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9 | /*
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10 | * Copyright (C) 2006-2007 Oracle Corporation
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11 | *
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12 | * This file is part of VirtualBox Open Source Edition (OSE), as
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13 | * available from http://www.virtualbox.org. This file is free software;
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14 | * you can redistribute it and/or modify it under the terms of the GNU
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15 | * General Public License (GPL) as published by the Free Software
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16 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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17 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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18 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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19 | *
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20 | * The contents of this file may alternatively be used under the terms
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21 | * of the Common Development and Distribution License Version 1.0
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22 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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23 | * VirtualBox OSE distribution, in which case the provisions of the
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24 | * CDDL are applicable instead of those of the GPL.
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25 | *
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26 | * You may elect to license modified versions of this file under the
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27 | * terms and conditions of either the GPL or the CDDL or both.
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28 | */
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29 |
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30 | #ifndef ___VBox_dbg_h
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31 | #define ___VBox_dbg_h
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32 |
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33 | #include <VBox/cdefs.h>
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34 | #include <VBox/types.h>
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35 | #include <VBox/vmm/dbgf.h>
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36 |
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37 | #include <iprt/stdarg.h>
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38 | #ifdef IN_RING3
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39 | # include <iprt/err.h>
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40 | #endif
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41 |
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42 | RT_C_DECLS_BEGIN
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43 |
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44 | #ifdef IN_RING3 /* The debugger stuff is ring-3 only. */
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45 |
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46 | /** @def VBOX_WITH_DEBUGGER
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47 | * The build is with debugger module. Test if this is defined before registering
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48 | * external debugger commands. This is normally defined in Config.kmk.
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49 | */
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50 | #ifdef DOXYGEN_RUNNING
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51 | # define VBOX_WITH_DEBUGGER
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52 | #endif
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53 |
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54 |
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55 | /**
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56 | * DBGC variable category.
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57 | *
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58 | * Used to describe an argument to a command or function and a functions
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59 | * return value.
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60 | */
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61 | typedef enum DBGCVARCAT
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62 | {
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63 | /** Any type is fine. */
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64 | DBGCVAR_CAT_ANY = 0,
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65 | /** Any kind of pointer or number. */
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66 | DBGCVAR_CAT_POINTER_NUMBER,
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67 | /** Any kind of pointer or number, no range. */
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68 | DBGCVAR_CAT_POINTER_NUMBER_NO_RANGE,
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69 | /** Any kind of pointer. */
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70 | DBGCVAR_CAT_POINTER,
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71 | /** Any kind of pointer with no range option. */
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72 | DBGCVAR_CAT_POINTER_NO_RANGE,
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73 | /** GC pointer. */
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74 | DBGCVAR_CAT_GC_POINTER,
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75 | /** GC pointer with no range option. */
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76 | DBGCVAR_CAT_GC_POINTER_NO_RANGE,
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77 | /** Numeric argument. */
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78 | DBGCVAR_CAT_NUMBER,
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79 | /** Numeric argument with no range option. */
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80 | DBGCVAR_CAT_NUMBER_NO_RANGE,
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81 | /** String. */
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82 | DBGCVAR_CAT_STRING,
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83 | /** Symbol. */
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84 | DBGCVAR_CAT_SYMBOL,
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85 | /** Option. */
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86 | DBGCVAR_CAT_OPTION,
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87 | /** Option + string. */
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88 | DBGCVAR_CAT_OPTION_STRING,
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89 | /** Option + number. */
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90 | DBGCVAR_CAT_OPTION_NUMBER
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91 | } DBGCVARCAT;
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92 |
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93 |
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94 | /**
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95 | * DBGC variable type.
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96 | */
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97 | typedef enum DBGCVARTYPE
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98 | {
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99 | /** unknown... */
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100 | DBGCVAR_TYPE_UNKNOWN = 0,
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101 | /** Flat GC pointer. */
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102 | DBGCVAR_TYPE_GC_FLAT,
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103 | /** Segmented GC pointer. */
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104 | DBGCVAR_TYPE_GC_FAR,
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105 | /** Physical GC pointer. */
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106 | DBGCVAR_TYPE_GC_PHYS,
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107 | /** Flat HC pointer. */
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108 | DBGCVAR_TYPE_HC_FLAT,
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109 | /** Physical HC pointer. */
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110 | DBGCVAR_TYPE_HC_PHYS,
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111 | /** Number. */
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112 | DBGCVAR_TYPE_NUMBER,
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113 | /** String. */
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114 | DBGCVAR_TYPE_STRING,
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115 | /** Symbol. */
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116 | DBGCVAR_TYPE_SYMBOL,
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117 | /** Special type used when querying symbols. */
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118 | DBGCVAR_TYPE_ANY
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119 | } DBGCVARTYPE;
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120 |
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121 | /** @todo Rename to DBGCVAR_IS_xyz. */
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122 |
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123 | /** Checks if the specified variable type is of a pointer persuasion. */
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124 | #define DBGCVAR_ISPOINTER(enmType) ((enmType) >= DBGCVAR_TYPE_GC_FLAT && enmType <= DBGCVAR_TYPE_HC_PHYS)
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125 | /** Checks if the specified variable type is of a pointer persuasion. */
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126 | #define DBGCVAR_IS_FAR_PTR(enmType) ((enmType) == DBGCVAR_TYPE_GC_FAR)
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127 | /** Checks if the specified variable type is of a pointer persuasion and of the guest context sort. */
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128 | #define DBGCVAR_ISGCPOINTER(enmType) ((enmType) >= DBGCVAR_TYPE_GC_FLAT && (enmType) <= DBGCVAR_TYPE_GC_PHYS)
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129 | /** Checks if the specified variable type is of a pointer persuasion and of the host context sort. */
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130 | #define DBGCVAR_ISHCPOINTER(enmType) ((enmType) >= DBGCVAR_TYPE_HC_FLAT && (enmType) <= DBGCVAR_TYPE_HC_PHYS)
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131 |
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132 |
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133 | /**
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134 | * DBGC variable range type.
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135 | */
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136 | typedef enum DBGCVARRANGETYPE
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137 | {
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138 | /** No range appliable or no range specified. */
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139 | DBGCVAR_RANGE_NONE = 0,
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140 | /** Number of elements. */
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141 | DBGCVAR_RANGE_ELEMENTS,
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142 | /** Number of bytes. */
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143 | DBGCVAR_RANGE_BYTES
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144 | } DBGCVARRANGETYPE;
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145 |
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146 |
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147 | /**
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148 | * Variable descriptor.
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149 | */
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150 | typedef struct DBGCVARDESC
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151 | {
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152 | /** The minimal number of times this argument may occur.
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153 | * Use 0 here to inidicate that the argument is optional. */
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154 | unsigned cTimesMin;
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155 | /** Maximum number of occurrences.
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156 | * Use ~0 here to indicate infinite. */
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157 | unsigned cTimesMax;
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158 | /** Argument category. */
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159 | DBGCVARCAT enmCategory;
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160 | /** Flags, DBGCVD_FLAGS_* */
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161 | unsigned fFlags;
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162 | /** Argument name. */
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163 | const char *pszName;
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164 | /** Argument name. */
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165 | const char *pszDescription;
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166 | } DBGCVARDESC;
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167 | /** Pointer to an argument descriptor. */
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168 | typedef DBGCVARDESC *PDBGCVARDESC;
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169 | /** Pointer to a const argument descriptor. */
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170 | typedef const DBGCVARDESC *PCDBGCVARDESC;
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171 |
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172 | /** Variable descriptor flags.
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173 | * @{ */
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174 | /** Indicates that the variable depends on the previous being present. */
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175 | #define DBGCVD_FLAGS_DEP_PREV RT_BIT(1)
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176 | /** @} */
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177 |
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178 |
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179 | /**
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180 | * DBGC variable.
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181 | */
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182 | typedef struct DBGCVAR
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183 | {
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184 | /** Pointer to the argument descriptor. */
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185 | PCDBGCVARDESC pDesc;
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186 | /** Pointer to the next argument. */
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187 | struct DBGCVAR *pNext;
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188 |
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189 | /** Argument type. */
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190 | DBGCVARTYPE enmType;
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191 | /** Type specific. */
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192 | union
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193 | {
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194 | /** Flat GC Address. (DBGCVAR_TYPE_GC_FLAT) */
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195 | RTGCPTR GCFlat;
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196 | /** Far (16:32) GC Address. (DBGCVAR_TYPE_GC_FAR) */
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197 | RTFAR32 GCFar;
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198 | /** Physical GC Address. (DBGCVAR_TYPE_GC_PHYS) */
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199 | RTGCPHYS GCPhys;
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200 | /** Flat HC Address. (DBGCVAR_TYPE_HC_FLAT) */
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201 | void *pvHCFlat;
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202 | /** Physical GC Address. (DBGCVAR_TYPE_HC_PHYS) */
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203 | RTHCPHYS HCPhys;
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204 | /** String. (DBGCVAR_TYPE_STRING)
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205 | * The basic idea is the the this is a pointer to the expression we're
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206 | * parsing, so no messing with freeing. */
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207 | const char *pszString;
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208 | /** Number. (DBGCVAR_TYPE_NUMBER) */
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209 | uint64_t u64Number;
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210 | } u;
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211 |
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212 | /** Range type. */
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213 | DBGCVARRANGETYPE enmRangeType;
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214 | /** Range. The use of the content depends on the enmRangeType. */
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215 | uint64_t u64Range;
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216 | } DBGCVAR;
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217 | /** Pointer to a command argument. */
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218 | typedef DBGCVAR *PDBGCVAR;
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219 | /** Pointer to a const command argument. */
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220 | typedef const DBGCVAR *PCDBGCVAR;
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221 |
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222 |
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223 | /**
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224 | * Macro for initializing a DBGC variable with defaults.
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225 | * The result is an unknown variable type without any range.
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226 | */
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227 | #define DBGCVAR_INIT(pVar) \
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228 | do { \
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229 | (pVar)->pDesc = NULL;\
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230 | (pVar)->pNext = NULL; \
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231 | (pVar)->enmType = DBGCVAR_TYPE_UNKNOWN; \
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232 | (pVar)->u.u64Number = 0; \
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233 | (pVar)->enmRangeType = DBGCVAR_RANGE_NONE; \
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234 | (pVar)->u64Range = 0; \
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235 | } while (0)
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236 |
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237 | /**
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238 | * Macro for initializing a DBGC variable with a HC physical address.
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239 | */
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240 | #define DBGCVAR_INIT_HC_PHYS(pVar, Phys) \
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241 | do { \
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242 | DBGCVAR_INIT(pVar); \
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243 | (pVar)->enmType = DBGCVAR_TYPE_HC_PHYS; \
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244 | (pVar)->u.HCPhys = (Phys); \
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245 | } while (0)
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246 |
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247 | /**
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248 | * Macro for initializing a DBGC variable with a HC flat address.
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249 | */
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250 | #define DBGCVAR_INIT_HC_FLAT(pVar, Flat) \
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251 | do { \
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252 | DBGCVAR_INIT(pVar); \
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253 | (pVar)->enmType = DBGCVAR_TYPE_HC_FLAT; \
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254 | (pVar)->u.pvHCFlat = (Flat); \
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255 | } while (0)
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256 |
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257 | /**
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258 | * Macro for initializing a DBGC variable with a GC physical address.
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259 | */
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260 | #define DBGCVAR_INIT_GC_PHYS(pVar, Phys) \
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261 | do { \
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262 | DBGCVAR_INIT(pVar); \
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263 | (pVar)->enmType = DBGCVAR_TYPE_GC_PHYS; \
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264 | (pVar)->u.GCPhys = (Phys); \
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265 | } while (0)
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266 |
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267 | /**
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268 | * Macro for initializing a DBGC variable with a GC flat address.
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269 | */
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270 | #define DBGCVAR_INIT_GC_FLAT(pVar, Flat) \
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271 | do { \
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272 | DBGCVAR_INIT(pVar); \
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273 | (pVar)->enmType = DBGCVAR_TYPE_GC_FLAT; \
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274 | (pVar)->u.GCFlat = (Flat); \
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275 | } while (0)
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276 |
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277 | /**
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278 | * Macro for initializing a DBGC variable with a GC flat address.
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279 | */
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280 | #define DBGCVAR_INIT_GC_FLAT_BYTE_RANGE(pVar, Flat, cbRange) \
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281 | do { \
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282 | DBGCVAR_INIT(pVar); \
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283 | (pVar)->enmType = DBGCVAR_TYPE_GC_FLAT; \
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284 | (pVar)->u.GCFlat = (Flat); \
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285 | DBGCVAR_SET_RANGE(pVar, DBGCVAR_RANGE_BYTES, cbRange); \
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286 | } while (0)
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287 |
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288 | /**
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289 | * Macro for initializing a DBGC variable with a GC far address.
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290 | */
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291 | #define DBGCVAR_INIT_GC_FAR(pVar, _sel, _off) \
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292 | do { \
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293 | DBGCVAR_INIT(pVar); \
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294 | (pVar)->enmType = DBGCVAR_TYPE_GC_FAR; \
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295 | (pVar)->u.GCFar.sel = (_sel); \
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296 | (pVar)->u.GCFar.off = (_off); \
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297 | } while (0)
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298 |
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299 | /**
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300 | * Macro for initializing a DBGC variable with a number.
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301 | */
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302 | #define DBGCVAR_INIT_NUMBER(pVar, Value) \
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303 | do { \
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304 | DBGCVAR_INIT(pVar); \
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305 | (pVar)->enmType = DBGCVAR_TYPE_NUMBER; \
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306 | (pVar)->u.u64Number = (Value); \
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307 | } while (0)
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308 |
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309 | /**
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310 | * Macro for initializing a DBGC variable with a string.
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311 | */
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312 | #define DBGCVAR_INIT_STRING(pVar, a_pszString) \
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313 | do { \
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314 | DBGCVAR_INIT(pVar); \
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315 | (pVar)->enmType = DBGCVAR_TYPE_STRING; \
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316 | (pVar)->enmRangeType = DBGCVAR_RANGE_BYTES; \
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317 | (pVar)->u.pszString = (a_pszString); \
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318 | (pVar)->u64Range = strlen(a_pszString); \
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319 | } while (0)
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320 |
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321 |
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322 | /**
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323 | * Macro for initializing a DBGC variable with a symbol.
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324 | */
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325 | #define DBGCVAR_INIT_SYMBOL(pVar, a_pszSymbol) \
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326 | do { \
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327 | DBGCVAR_INIT(pVar); \
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328 | (pVar)->enmType = DBGCVAR_TYPE_SYMBOL; \
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329 | (pVar)->enmRangeType = DBGCVAR_RANGE_BYTES; \
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330 | (pVar)->u.pszString = (a_pszSymbol); \
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331 | (pVar)->u64Range = strlen(a_pszSymbol); \
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332 | } while (0)
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333 |
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334 |
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335 | /**
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336 | * Macro for setting the range of a DBGC variable.
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337 | * @param pVar The variable.
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338 | * @param _enmRangeType The range type.
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339 | * @param Value The range length value.
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340 | */
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341 | #define DBGCVAR_SET_RANGE(pVar, _enmRangeType, Value) \
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342 | do { \
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343 | (pVar)->enmRangeType = (_enmRangeType); \
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344 | (pVar)->u64Range = (Value); \
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345 | } while (0)
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346 |
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347 |
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348 | /**
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349 | * Macro for setting the range of a DBGC variable.
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350 | * @param a_pVar The variable.
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351 | * @param a_cbRange The range, in bytes.
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352 | */
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353 | #define DBGCVAR_SET_BYTE_RANGE(a_pVar, a_cbRange) \
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354 | DBGCVAR_SET_RANGE(a_pVar, DBGCVAR_RANGE_BYTES, a_cbRange)
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355 |
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356 |
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357 | /**
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358 | * Macro for resetting the range a DBGC variable.
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359 | * @param a_pVar The variable.
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360 | */
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361 | #define DBGCVAR_ZAP_RANGE(a_pVar) \
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362 | do { \
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363 | (a_pVar)->enmRangeType = DBGCVAR_RANGE_NONE; \
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364 | (a_pVar)->u64Range = 0; \
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365 | } while (0)
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366 |
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367 |
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368 | /**
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369 | * Macro for assigning one DBGC variable to another.
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370 | * @param a_pResult The result (target) variable.
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371 | * @param a_pVar The source variable.
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372 | */
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373 | #define DBGCVAR_ASSIGN(a_pResult, a_pVar) \
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374 | do { \
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375 | *(a_pResult) = *(a_pVar); \
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376 | } while (0)
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377 |
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378 |
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379 | /** Pointer to a command descriptor. */
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380 | typedef struct DBGCCMD *PDBGCCMD;
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381 | /** Pointer to a const command descriptor. */
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382 | typedef const struct DBGCCMD *PCDBGCCMD;
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383 |
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384 | /** Pointer to a function descriptor. */
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385 | typedef struct DBGCFUNC *PDBGCFUNC;
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386 | /** Pointer to a const function descriptor. */
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387 | typedef const struct DBGCFUNC *PCDBGCFUNC;
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388 |
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389 | /** Pointer to helper functions for commands. */
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390 | typedef struct DBGCCMDHLP *PDBGCCMDHLP;
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391 |
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392 |
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393 | /**
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394 | * Helper functions for commands.
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395 | */
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396 | typedef struct DBGCCMDHLP
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397 | {
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398 | /** Magic value (DBGCCMDHLP_MAGIC). */
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399 | uint32_t u32Magic;
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400 |
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401 | /**
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402 | * Command helper for writing formatted text to the debug console.
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403 | *
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404 | * @returns VBox status.
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405 | * @param pCmdHlp Pointer to the command callback structure.
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406 | * @param pcb Where to store the number of bytes written.
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407 | * @param pszFormat The format string. This may use all IPRT extensions as
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408 | * well as the debugger ones.
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409 | * @param ... Arguments specified in the format string.
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410 | */
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411 | DECLCALLBACKMEMBER(int, pfnPrintf)(PDBGCCMDHLP pCmdHlp, size_t *pcbWritten, const char *pszFormat, ...);
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412 |
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413 | /**
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414 | * Command helper for writing formatted text to the debug console.
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415 | *
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416 | * @returns VBox status.
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417 | * @param pCmdHlp Pointer to the command callback structure.
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418 | * @param pcb Where to store the number of bytes written.
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419 | * @param pszFormat The format string. This may use all IPRT extensions as
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420 | * well as the debugger ones.
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421 | * @param args Arguments specified in the format string.
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422 | */
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423 | DECLCALLBACKMEMBER(int, pfnPrintfV)(PDBGCCMDHLP pCmdHlp, size_t *pcbWritten, const char *pszFormat, va_list args);
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424 |
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425 | /**
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426 | * Command helper for formatting a string with debugger format specifiers.
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427 | *
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428 | * @returns The number of bytes written.
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429 | * @param pCmdHlp Pointer to the command callback structure.
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430 | * @param pszBuf The output buffer.
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431 | * @param cbBuf The size of the output buffer.
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432 | * @param pszFormat The format string. This may use all IPRT extensions as
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433 | * well as the debugger ones.
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434 | * @param ... Arguments specified in the format string.
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435 | */
|
---|
436 | DECLCALLBACKMEMBER(size_t, pfnStrPrintf)(PDBGCCMDHLP pCmdHlp, char *pszBuf, size_t cbBuf, const char *pszFormat, ...);
|
---|
437 |
|
---|
438 | /**
|
---|
439 | * Command helper for formatting a string with debugger format specifiers.
|
---|
440 | *
|
---|
441 | * @returns The number of bytes written.
|
---|
442 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
443 | * @param pszBuf The output buffer.
|
---|
444 | * @param cbBuf The size of the output buffer.
|
---|
445 | * @param pszFormat The format string. This may use all IPRT extensions as
|
---|
446 | * well as the debugger ones.
|
---|
447 | * @param va Arguments specified in the format string.
|
---|
448 | */
|
---|
449 | DECLCALLBACKMEMBER(size_t, pfnStrPrintfV)(PDBGCCMDHLP pCmdHlp, char *pszBuf, size_t cbBuf,
|
---|
450 | const char *pszFormat, va_list va);
|
---|
451 |
|
---|
452 | /**
|
---|
453 | * Command helper for formatting and error message for a VBox status code.
|
---|
454 | *
|
---|
455 | * @returns VBox status code appropriate to return from a command.
|
---|
456 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
457 | * @param rc The VBox status code.
|
---|
458 | * @param pszFormat Format string for additional messages. Can be NULL.
|
---|
459 | * @param ... Format arguments, optional.
|
---|
460 | */
|
---|
461 | DECLCALLBACKMEMBER(int, pfnVBoxError)(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, ...);
|
---|
462 |
|
---|
463 | /**
|
---|
464 | * Command helper for formatting and error message for a VBox status code.
|
---|
465 | *
|
---|
466 | * @returns VBox status code appropriate to return from a command.
|
---|
467 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
468 | * @param rc The VBox status code.
|
---|
469 | * @param pcb Where to store the number of bytes written.
|
---|
470 | * @param pszFormat Format string for additional messages. Can be NULL.
|
---|
471 | * @param args Format arguments, optional.
|
---|
472 | */
|
---|
473 | DECLCALLBACKMEMBER(int, pfnVBoxErrorV)(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, va_list args);
|
---|
474 |
|
---|
475 | /**
|
---|
476 | * Command helper for reading memory specified by a DBGC variable.
|
---|
477 | *
|
---|
478 | * @returns VBox status code appropriate to return from a command.
|
---|
479 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
480 | * @param pVM VM handle if GC or physical HC address.
|
---|
481 | * @param pvBuffer Where to store the read data.
|
---|
482 | * @param cbRead Number of bytes to read.
|
---|
483 | * @param pVarPointer DBGC variable specifying where to start reading.
|
---|
484 | * @param pcbRead Where to store the number of bytes actually read.
|
---|
485 | * This optional, but it's useful when read GC virtual memory where a
|
---|
486 | * page in the requested range might not be present.
|
---|
487 | * If not specified not-present failure or end of a HC physical page
|
---|
488 | * will cause failure.
|
---|
489 | */
|
---|
490 | DECLCALLBACKMEMBER(int, pfnMemRead)(PDBGCCMDHLP pCmdHlp, PVM pVM, void *pvBuffer, size_t cbRead, PCDBGCVAR pVarPointer, size_t *pcbRead);
|
---|
491 |
|
---|
492 | /**
|
---|
493 | * Command helper for writing memory specified by a DBGC variable.
|
---|
494 | *
|
---|
495 | * @returns VBox status code appropriate to return from a command.
|
---|
496 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
497 | * @param pVM VM handle if GC or physical HC address.
|
---|
498 | * @param pvBuffer What to write.
|
---|
499 | * @param cbWrite Number of bytes to write.
|
---|
500 | * @param pVarPointer DBGC variable specifying where to start reading.
|
---|
501 | * @param pcbWritten Where to store the number of bytes written.
|
---|
502 | * This is optional. If NULL be aware that some of the buffer
|
---|
503 | * might have been written to the specified address.
|
---|
504 | */
|
---|
505 | DECLCALLBACKMEMBER(int, pfnMemWrite)(PDBGCCMDHLP pCmdHlp, PVM pVM, const void *pvBuffer, size_t cbWrite, PCDBGCVAR pVarPointer, size_t *pcbWritten);
|
---|
506 |
|
---|
507 | /**
|
---|
508 | * Executes command an expression.
|
---|
509 | * (Hopefully the parser and functions are fully reentrant.)
|
---|
510 | *
|
---|
511 | * @returns VBox status code appropriate to return from a command.
|
---|
512 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
513 | * @param pszExpr The expression. Format string with the format DBGC extensions.
|
---|
514 | * @param ... Format arguments.
|
---|
515 | */
|
---|
516 | DECLCALLBACKMEMBER(int, pfnExec)(PDBGCCMDHLP pCmdHlp, const char *pszExpr, ...);
|
---|
517 |
|
---|
518 | /**
|
---|
519 | * Evaluates an expression.
|
---|
520 | * (Hopefully the parser and functions are fully reentrant.)
|
---|
521 | *
|
---|
522 | * @returns VBox status code appropriate to return from a command.
|
---|
523 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
524 | * @param pResult Where to store the result.
|
---|
525 | * @param pszExpr The expression. Format string with the format DBGC extensions.
|
---|
526 | * @param va Format arguments.
|
---|
527 | */
|
---|
528 | DECLCALLBACKMEMBER(int, pfnEvalV)(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, va_list va);
|
---|
529 |
|
---|
530 | /**
|
---|
531 | * Print an error and fail the current command.
|
---|
532 | *
|
---|
533 | * @returns VBox status code to pass upwards.
|
---|
534 | *
|
---|
535 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
536 | * @param pCmd The failing command.
|
---|
537 | * @param pszFormat The error message format string.
|
---|
538 | * @param va Format arguments.
|
---|
539 | */
|
---|
540 | DECLCALLBACKMEMBER(int, pfnFailV)(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, const char *pszFormat, va_list va);
|
---|
541 |
|
---|
542 | /**
|
---|
543 | * Print an error and fail the current command.
|
---|
544 | *
|
---|
545 | * @returns VBox status code to pass upwards.
|
---|
546 | *
|
---|
547 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
548 | * @param pCmd The failing command.
|
---|
549 | * @param rc The status code indicating the failure. This will
|
---|
550 | * be appended to the message after a colon (': ').
|
---|
551 | * @param pszFormat The error message format string.
|
---|
552 | * @param va Format arguments.
|
---|
553 | *
|
---|
554 | * @see DBGCCmdHlpFailRc
|
---|
555 | */
|
---|
556 | DECLCALLBACKMEMBER(int, pfnFailRcV)(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int rc, const char *pszFormat, va_list va);
|
---|
557 |
|
---|
558 | /**
|
---|
559 | * Parser error.
|
---|
560 | *
|
---|
561 | * @returns VBox status code to pass upwards.
|
---|
562 | *
|
---|
563 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
564 | * @param pCmd The failing command, can be NULL but shouldn't.
|
---|
565 | * @param iArg The offending argument, -1 when lazy.
|
---|
566 | * @param pszExpr The expression.
|
---|
567 | * @param iLine The line number.
|
---|
568 | */
|
---|
569 | DECLCALLBACKMEMBER(int, pfnParserError)(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int iArg, const char *pszExpr, unsigned iLine);
|
---|
570 |
|
---|
571 | /**
|
---|
572 | * Converts a DBGC variable to a DBGF address structure.
|
---|
573 | *
|
---|
574 | * @returns VBox status code.
|
---|
575 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
576 | * @param pVar The variable to convert.
|
---|
577 | * @param pAddress The target address.
|
---|
578 | */
|
---|
579 | DECLCALLBACKMEMBER(int, pfnVarToDbgfAddr)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress);
|
---|
580 |
|
---|
581 | /**
|
---|
582 | * Converts a DBGF address structure to a DBGC variable.
|
---|
583 | *
|
---|
584 | * @returns VBox status code.
|
---|
585 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
586 | * @param pAddress The source address.
|
---|
587 | * @param pResult The result variable.
|
---|
588 | */
|
---|
589 | DECLCALLBACKMEMBER(int, pfnVarFromDbgfAddr)(PDBGCCMDHLP pCmdHlp, PCDBGFADDRESS pAddress, PDBGCVAR pResult);
|
---|
590 |
|
---|
591 | /**
|
---|
592 | * Converts a DBGC variable to a 64-bit number.
|
---|
593 | *
|
---|
594 | * @returns VBox status code.
|
---|
595 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
596 | * @param pVar The variable to convert.
|
---|
597 | * @param pu64Number Where to store the number.
|
---|
598 | */
|
---|
599 | DECLCALLBACKMEMBER(int, pfnVarToNumber)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t *pu64Number);
|
---|
600 |
|
---|
601 | /**
|
---|
602 | * Converts a DBGC variable to a boolean.
|
---|
603 | *
|
---|
604 | * @returns VBox status code.
|
---|
605 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
606 | * @param pVar The variable to convert.
|
---|
607 | * @param pf Where to store the boolean.
|
---|
608 | */
|
---|
609 | DECLCALLBACKMEMBER(int, pfnVarToBool)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf);
|
---|
610 |
|
---|
611 | /**
|
---|
612 | * Get the range of a variable in bytes, resolving symbols if necessary.
|
---|
613 | *
|
---|
614 | * @returns VBox status code.
|
---|
615 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
616 | * @param pVar The variable to convert.
|
---|
617 | * @param cbElement Conversion factor for element ranges.
|
---|
618 | * @param cbDefault The default range.
|
---|
619 | * @param pcbRange The length of the range.
|
---|
620 | */
|
---|
621 | DECLCALLBACKMEMBER(int, pfnVarGetRange)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t cbElement, uint64_t cbDefault,
|
---|
622 | uint64_t *pcbRange);
|
---|
623 |
|
---|
624 | /**
|
---|
625 | * Converts a variable to one with the specified type.
|
---|
626 | *
|
---|
627 | * This preserves the range.
|
---|
628 | *
|
---|
629 | * @returns VBox status code.
|
---|
630 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
631 | * @param pVar The variable to convert.
|
---|
632 | * @param enmToType The target type.
|
---|
633 | * @param fConvSyms If @c true, then attempt to resolve symbols.
|
---|
634 | * @param pResult The output variable. Can be the same as @a pVar.
|
---|
635 | */
|
---|
636 | DECLCALLBACKMEMBER(int, pfnVarConvert)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, DBGCVARTYPE enmToType, bool fConvSyms,
|
---|
637 | PDBGCVAR pResult);
|
---|
638 |
|
---|
639 | /**
|
---|
640 | * Gets a DBGF output helper that directs the output to the debugger
|
---|
641 | * console.
|
---|
642 | *
|
---|
643 | * @returns Pointer to the helper structure.
|
---|
644 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
645 | */
|
---|
646 | DECLCALLBACKMEMBER(PCDBGFINFOHLP, pfnGetDbgfOutputHlp)(PDBGCCMDHLP pCmdHlp);
|
---|
647 |
|
---|
648 | /**
|
---|
649 | * Gets the ID currently selected CPU.
|
---|
650 | *
|
---|
651 | * @returns Current CPU ID.
|
---|
652 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
653 | */
|
---|
654 | DECLCALLBACKMEMBER(VMCPUID, pfnGetCurrentCpu)(PDBGCCMDHLP pCmdHlp);
|
---|
655 |
|
---|
656 | /**
|
---|
657 | * Gets the mode the currently selected CPU is running in, in the current
|
---|
658 | * context.
|
---|
659 | *
|
---|
660 | * @returns Current CPU mode.
|
---|
661 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
662 | */
|
---|
663 | DECLCALLBACKMEMBER(CPUMMODE, pfnGetCpuMode)(PDBGCCMDHLP pCmdHlp);
|
---|
664 |
|
---|
665 | /** End marker (DBGCCMDHLP_MAGIC). */
|
---|
666 | uint32_t u32EndMarker;
|
---|
667 | } DBGCCMDHLP;
|
---|
668 |
|
---|
669 | /** Magic value for DBGCCMDHLP::u32Magic. (Fyodor Mikhaylovich Dostoyevsky) */
|
---|
670 | #define DBGCCMDHLP_MAGIC UINT32_C(18211111)
|
---|
671 |
|
---|
672 |
|
---|
673 | #ifdef IN_RING3
|
---|
674 |
|
---|
675 | /**
|
---|
676 | * @copydoc DBGCCMDHLP::pfnPrintf
|
---|
677 | */
|
---|
678 | DECLINLINE(int) DBGCCmdHlpPrintf(PDBGCCMDHLP pCmdHlp, const char *pszFormat, ...)
|
---|
679 | {
|
---|
680 | va_list va;
|
---|
681 | int rc;
|
---|
682 |
|
---|
683 | va_start(va, pszFormat);
|
---|
684 | rc = pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, va);
|
---|
685 | va_end(va);
|
---|
686 |
|
---|
687 | return rc;
|
---|
688 | }
|
---|
689 |
|
---|
690 |
|
---|
691 | /**
|
---|
692 | * @copydoc DBGCCMDHLP::pfnStrPrintf
|
---|
693 | */
|
---|
694 | DECLINLINE(size_t) DBGCCmdHlpStrPrintf(PDBGCCMDHLP pCmdHlp, char *pszBuf, size_t cbBuf, const char *pszFormat, ...)
|
---|
695 | {
|
---|
696 | va_list va;
|
---|
697 | size_t cch;
|
---|
698 |
|
---|
699 | va_start(va, pszFormat);
|
---|
700 | cch = pCmdHlp->pfnStrPrintfV(pCmdHlp, pszBuf, cbBuf, pszFormat, va);
|
---|
701 | va_end(va);
|
---|
702 |
|
---|
703 | return cch;
|
---|
704 | }
|
---|
705 |
|
---|
706 | /**
|
---|
707 | * @copydoc FNDBGCHLPVBOXERROR
|
---|
708 | */
|
---|
709 | DECLINLINE(int) DBGCCmdHlpVBoxError(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, ...)
|
---|
710 | {
|
---|
711 | va_list va;
|
---|
712 |
|
---|
713 | va_start(va, pszFormat);
|
---|
714 | rc = pCmdHlp->pfnVBoxErrorV(pCmdHlp, rc, pszFormat, va);
|
---|
715 | va_end(va);
|
---|
716 |
|
---|
717 | return rc;
|
---|
718 | }
|
---|
719 |
|
---|
720 | /**
|
---|
721 | * @copydoc FNDBGCHLPMEMREAD
|
---|
722 | */
|
---|
723 | DECLINLINE(int) DBGCCmdHlpMemRead(PDBGCCMDHLP pCmdHlp, PVM pVM, void *pvBuffer, size_t cbRead, PCDBGCVAR pVarPointer, size_t *pcbRead)
|
---|
724 | {
|
---|
725 | return pCmdHlp->pfnMemRead(pCmdHlp, pVM, pvBuffer, cbRead, pVarPointer, pcbRead);
|
---|
726 | }
|
---|
727 |
|
---|
728 | /**
|
---|
729 | * Evaluates an expression.
|
---|
730 | * (Hopefully the parser and functions are fully reentrant.)
|
---|
731 | *
|
---|
732 | * @returns VBox status code appropriate to return from a command.
|
---|
733 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
734 | * @param pResult Where to store the result.
|
---|
735 | * @param pszExpr The expression. Format string with the format DBGC extensions.
|
---|
736 | * @param ... Format arguments.
|
---|
737 | */
|
---|
738 | DECLINLINE(int) DBGCCmdHlpEval(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, ...)
|
---|
739 | {
|
---|
740 | va_list va;
|
---|
741 | int rc;
|
---|
742 |
|
---|
743 | va_start(va, pszExpr);
|
---|
744 | rc = pCmdHlp->pfnEvalV(pCmdHlp, pResult, pszExpr, va);
|
---|
745 | va_end(va);
|
---|
746 |
|
---|
747 | return rc;
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * Print an error and fail the current command.
|
---|
752 | *
|
---|
753 | * @returns VBox status code to pass upwards.
|
---|
754 | *
|
---|
755 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
756 | * @param pCmd The failing command.
|
---|
757 | * @param pszFormat The error message format string.
|
---|
758 | * @param ... Format arguments.
|
---|
759 | */
|
---|
760 | DECLINLINE(int) DBGCCmdHlpFail(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, const char *pszFormat, ...)
|
---|
761 | {
|
---|
762 | va_list va;
|
---|
763 | int rc;
|
---|
764 |
|
---|
765 | va_start(va, pszFormat);
|
---|
766 | rc = pCmdHlp->pfnFailV(pCmdHlp, pCmd, pszFormat, va);
|
---|
767 | va_end(va);
|
---|
768 |
|
---|
769 | return rc;
|
---|
770 | }
|
---|
771 |
|
---|
772 | /**
|
---|
773 | * Print an error and fail the current command.
|
---|
774 | *
|
---|
775 | * Usage example:
|
---|
776 | * @code
|
---|
777 | int rc = VMMR3Something(pVM);
|
---|
778 | if (RT_FAILURE(rc))
|
---|
779 | return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "VMMR3Something");
|
---|
780 | return VINF_SUCCESS;
|
---|
781 | * @endcode
|
---|
782 | *
|
---|
783 | * @returns VBox status code to pass upwards.
|
---|
784 | *
|
---|
785 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
786 | * @param pCmd The failing command.
|
---|
787 | * @param rc The status code indicating the failure.
|
---|
788 | * @param pszFormat The error message format string.
|
---|
789 | * @param ... Format arguments.
|
---|
790 | */
|
---|
791 | DECLINLINE(int) DBGCCmdHlpFailRc(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int rc, const char *pszFormat, ...)
|
---|
792 | {
|
---|
793 | va_list va;
|
---|
794 |
|
---|
795 | va_start(va, pszFormat);
|
---|
796 | rc = pCmdHlp->pfnFailRcV(pCmdHlp, pCmd, rc, pszFormat, va);
|
---|
797 | va_end(va);
|
---|
798 |
|
---|
799 | return rc;
|
---|
800 | }
|
---|
801 |
|
---|
802 | /**
|
---|
803 | * @copydoc DBGCCMDHLP::pfnParserError
|
---|
804 | */
|
---|
805 | DECLINLINE(int) DBGCCmdHlpParserError(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int iArg, const char *pszExpr, unsigned iLine)
|
---|
806 | {
|
---|
807 | return pCmdHlp->pfnParserError(pCmdHlp, pCmd, iArg, pszExpr, iLine);
|
---|
808 | }
|
---|
809 |
|
---|
810 | /** Assert+return like macro for checking parser sanity.
|
---|
811 | * Returns with failure if the precodition is not met. */
|
---|
812 | #define DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, expr) \
|
---|
813 | do { \
|
---|
814 | if (!(expr)) \
|
---|
815 | return DBGCCmdHlpParserError(pCmdHlp, pCmd, iArg, #expr, __LINE__); \
|
---|
816 | } while (0)
|
---|
817 |
|
---|
818 | /** Assert+return like macro that the VM handle is present.
|
---|
819 | * Returns with failure if the VM handle is NIL. */
|
---|
820 | #define DBGC_CMDHLP_REQ_VM_RET(pCmdHlp, pCmd, pVM) \
|
---|
821 | do { \
|
---|
822 | if (!(pVM)) \
|
---|
823 | return DBGCCmdHlpFail(pCmdHlp, pCmd, "No VM selected"); \
|
---|
824 | } while (0)
|
---|
825 |
|
---|
826 | /**
|
---|
827 | * @copydoc DBGCCMDHLP::pfnVarToDbgfAddr
|
---|
828 | */
|
---|
829 | DECLINLINE(int) DBGCCmdHlpVarToDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress)
|
---|
830 | {
|
---|
831 | return pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pVar, pAddress);
|
---|
832 | }
|
---|
833 |
|
---|
834 | /**
|
---|
835 | * @copydoc DBGCCMDHLP::pfnVarToDbgfAddr
|
---|
836 | */
|
---|
837 | DECLINLINE(int) DBGCCmdHlpVarFromDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGFADDRESS pAddress, PDBGCVAR pResult)
|
---|
838 | {
|
---|
839 | return pCmdHlp->pfnVarFromDbgfAddr(pCmdHlp, pAddress, pResult);
|
---|
840 | }
|
---|
841 |
|
---|
842 | /**
|
---|
843 | * Converts an variable to a flat address.
|
---|
844 | *
|
---|
845 | * @returns VBox status code.
|
---|
846 | * @param pCmdHlp Pointer to the command callback structure.
|
---|
847 | * @param pVar The variable to convert.
|
---|
848 | * @param pFlatPtr Where to store the flat address.
|
---|
849 | */
|
---|
850 | DECLINLINE(int) DBGCCmdHlpVarToFlatAddr(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PRTGCPTR pFlatPtr)
|
---|
851 | {
|
---|
852 | DBGFADDRESS Addr;
|
---|
853 | int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pVar, &Addr);
|
---|
854 | if (RT_SUCCESS(rc))
|
---|
855 | *pFlatPtr = Addr.FlatPtr;
|
---|
856 | return rc;
|
---|
857 | }
|
---|
858 |
|
---|
859 | /**
|
---|
860 | * @copydoc DBGCCMDHLP::pfnVarToNumber
|
---|
861 | */
|
---|
862 | DECLINLINE(int) DBGCCmdHlpVarToNumber(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t *pu64Number)
|
---|
863 | {
|
---|
864 | return pCmdHlp->pfnVarToNumber(pCmdHlp, pVar, pu64Number);
|
---|
865 | }
|
---|
866 |
|
---|
867 | /**
|
---|
868 | * @copydoc DBGCCMDHLP::pfnVarToBool
|
---|
869 | */
|
---|
870 | DECLINLINE(int) DBGCCmdHlpVarToBool(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf)
|
---|
871 | {
|
---|
872 | return pCmdHlp->pfnVarToBool(pCmdHlp, pVar, pf);
|
---|
873 | }
|
---|
874 |
|
---|
875 | /**
|
---|
876 | * @copydoc DBGCCMDHLP::pfnVarGetRange
|
---|
877 | */
|
---|
878 | DECLINLINE(int) DBGCCmdHlpVarGetRange(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t cbElement, uint64_t cbDefault, uint64_t *pcbRange)
|
---|
879 | {
|
---|
880 | return pCmdHlp->pfnVarGetRange(pCmdHlp, pVar, cbElement, cbDefault, pcbRange);
|
---|
881 | }
|
---|
882 |
|
---|
883 | /**
|
---|
884 | * @copydoc DBGCCMDHLP::pfnVarConvert
|
---|
885 | */
|
---|
886 | DECLINLINE(int) DBGCCmdHlpConvert(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, DBGCVARTYPE enmToType, bool fConvSyms, PDBGCVAR pResult)
|
---|
887 | {
|
---|
888 | return pCmdHlp->pfnVarConvert(pCmdHlp, pVar, enmToType, fConvSyms, pResult);
|
---|
889 | }
|
---|
890 |
|
---|
891 | /**
|
---|
892 | * @copydoc DBGCCMDHLP::pfnGetDbgfOutputHlp
|
---|
893 | */
|
---|
894 | DECLINLINE(PCDBGFINFOHLP) DBGCCmdHlpGetDbgfOutputHlp(PDBGCCMDHLP pCmdHlp)
|
---|
895 | {
|
---|
896 | return pCmdHlp->pfnGetDbgfOutputHlp(pCmdHlp);
|
---|
897 | }
|
---|
898 |
|
---|
899 | /**
|
---|
900 | * @copydoc DBGCCMDHLP::pfnGetCurrentCpu
|
---|
901 | */
|
---|
902 | DECLINLINE(VMCPUID) DBGCCmdHlpGetCurrentCpu(PDBGCCMDHLP pCmdHlp)
|
---|
903 | {
|
---|
904 | return pCmdHlp->pfnGetCurrentCpu(pCmdHlp);
|
---|
905 | }
|
---|
906 |
|
---|
907 | /**
|
---|
908 | * @copydoc DBGCCMDHLP::pfnGetCpuMode
|
---|
909 | */
|
---|
910 | DECLINLINE(CPUMMODE) DBGCCmdHlpGetCpuMode(PDBGCCMDHLP pCmdHlp)
|
---|
911 | {
|
---|
912 | return pCmdHlp->pfnGetCpuMode(pCmdHlp);
|
---|
913 | }
|
---|
914 |
|
---|
915 | #endif /* IN_RING3 */
|
---|
916 |
|
---|
917 |
|
---|
918 |
|
---|
919 | /**
|
---|
920 | * Command handler.
|
---|
921 | *
|
---|
922 | * The console will call the handler for a command once it's finished
|
---|
923 | * parsing the user input. The command handler function is responsible
|
---|
924 | * for executing the command itself.
|
---|
925 | *
|
---|
926 | * @returns VBox status.
|
---|
927 | * @param pCmd Pointer to the command descriptor (as registered).
|
---|
928 | * @param pCmdHlp Pointer to command helper functions.
|
---|
929 | * @param pVM Pointer to the current VM (if any).
|
---|
930 | * @param paArgs Pointer to (readonly) array of arguments.
|
---|
931 | * @param cArgs Number of arguments in the array.
|
---|
932 | */
|
---|
933 | typedef DECLCALLBACK(int) FNDBGCCMD(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs);
|
---|
934 | /** Pointer to a FNDBGCCMD() function. */
|
---|
935 | typedef FNDBGCCMD *PFNDBGCCMD;
|
---|
936 |
|
---|
937 | /**
|
---|
938 | * DBGC command descriptor.
|
---|
939 | */
|
---|
940 | typedef struct DBGCCMD
|
---|
941 | {
|
---|
942 | /** Command string. */
|
---|
943 | const char *pszCmd;
|
---|
944 | /** Minimum number of arguments. */
|
---|
945 | unsigned cArgsMin;
|
---|
946 | /** Max number of arguments. */
|
---|
947 | unsigned cArgsMax;
|
---|
948 | /** Argument descriptors (array). */
|
---|
949 | PCDBGCVARDESC paArgDescs;
|
---|
950 | /** Number of argument descriptors. */
|
---|
951 | unsigned cArgDescs;
|
---|
952 | /** flags. (reserved for now) */
|
---|
953 | unsigned fFlags;
|
---|
954 | /** Handler function. */
|
---|
955 | PFNDBGCCMD pfnHandler;
|
---|
956 | /** Command syntax. */
|
---|
957 | const char *pszSyntax;
|
---|
958 | /** Command description. */
|
---|
959 | const char *pszDescription;
|
---|
960 | } DBGCCMD;
|
---|
961 |
|
---|
962 | /** DBGCCMD Flags.
|
---|
963 | * @{
|
---|
964 | */
|
---|
965 | /** @} */
|
---|
966 |
|
---|
967 |
|
---|
968 | /**
|
---|
969 | * Function handler.
|
---|
970 | *
|
---|
971 | * The console will call the handler for a command once it's finished
|
---|
972 | * parsing the user input. The command handler function is responsible
|
---|
973 | * for executing the command itself.
|
---|
974 | *
|
---|
975 | * @returns VBox status.
|
---|
976 | * @param pCmd Pointer to the command descriptor (as registered).
|
---|
977 | * @param pCmdHlp Pointer to command helper functions.
|
---|
978 | * @param pVM Pointer to the current VM (if any).
|
---|
979 | * @param paArgs Pointer to (readonly) array of arguments.
|
---|
980 | * @param cArgs Number of arguments in the array.
|
---|
981 | * @param pResult Where to return the result.
|
---|
982 | */
|
---|
983 | typedef DECLCALLBACK(int) FNDBGCFUNC(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs,
|
---|
984 | PDBGCVAR pResult);
|
---|
985 | /** Pointer to a FNDBGCFUNC() function. */
|
---|
986 | typedef FNDBGCFUNC *PFNDBGCFUNC;
|
---|
987 |
|
---|
988 | /**
|
---|
989 | * DBGC function descriptor.
|
---|
990 | */
|
---|
991 | typedef struct DBGCFUNC
|
---|
992 | {
|
---|
993 | /** Command string. */
|
---|
994 | const char *pszFuncNm;
|
---|
995 | /** Minimum number of arguments. */
|
---|
996 | unsigned cArgsMin;
|
---|
997 | /** Max number of arguments. */
|
---|
998 | unsigned cArgsMax;
|
---|
999 | /** Argument descriptors (array). */
|
---|
1000 | PCDBGCVARDESC paArgDescs;
|
---|
1001 | /** Number of argument descriptors. */
|
---|
1002 | unsigned cArgDescs;
|
---|
1003 | /** flags. (reserved for now) */
|
---|
1004 | unsigned fFlags;
|
---|
1005 | /** Handler function. */
|
---|
1006 | PFNDBGCFUNC pfnHandler;
|
---|
1007 | /** Function syntax. */
|
---|
1008 | const char *pszSyntax;
|
---|
1009 | /** Function description. */
|
---|
1010 | const char *pszDescription;
|
---|
1011 | } DBGCFUNC;
|
---|
1012 |
|
---|
1013 |
|
---|
1014 |
|
---|
1015 | /** Pointer to a DBGC backend. */
|
---|
1016 | typedef struct DBGCBACK *PDBGCBACK;
|
---|
1017 |
|
---|
1018 | /**
|
---|
1019 | * Checks if there is input.
|
---|
1020 | *
|
---|
1021 | * @returns true if there is input ready.
|
---|
1022 | * @returns false if there not input ready.
|
---|
1023 | * @param pBack Pointer to the backend structure supplied by
|
---|
1024 | * the backend. The backend can use this to find
|
---|
1025 | * it's instance data.
|
---|
1026 | * @param cMillies Number of milliseconds to wait on input data.
|
---|
1027 | */
|
---|
1028 | typedef DECLCALLBACK(bool) FNDBGCBACKINPUT(PDBGCBACK pBack, uint32_t cMillies);
|
---|
1029 | /** Pointer to a FNDBGCBACKINPUT() callback. */
|
---|
1030 | typedef FNDBGCBACKINPUT *PFNDBGCBACKINPUT;
|
---|
1031 |
|
---|
1032 | /**
|
---|
1033 | * Read input.
|
---|
1034 | *
|
---|
1035 | * @returns VBox status code.
|
---|
1036 | * @param pBack Pointer to the backend structure supplied by
|
---|
1037 | * the backend. The backend can use this to find
|
---|
1038 | * it's instance data.
|
---|
1039 | * @param pvBuf Where to put the bytes we read.
|
---|
1040 | * @param cbBuf Maximum nymber of bytes to read.
|
---|
1041 | * @param pcbRead Where to store the number of bytes actually read.
|
---|
1042 | * If NULL the entire buffer must be filled for a
|
---|
1043 | * successful return.
|
---|
1044 | */
|
---|
1045 | typedef DECLCALLBACK(int) FNDBGCBACKREAD(PDBGCBACK pBack, void *pvBuf, size_t cbBuf, size_t *pcbRead);
|
---|
1046 | /** Pointer to a FNDBGCBACKREAD() callback. */
|
---|
1047 | typedef FNDBGCBACKREAD *PFNDBGCBACKREAD;
|
---|
1048 |
|
---|
1049 | /**
|
---|
1050 | * Write (output).
|
---|
1051 | *
|
---|
1052 | * @returns VBox status code.
|
---|
1053 | * @param pBack Pointer to the backend structure supplied by
|
---|
1054 | * the backend. The backend can use this to find
|
---|
1055 | * it's instance data.
|
---|
1056 | * @param pvBuf What to write.
|
---|
1057 | * @param cbBuf Number of bytes to write.
|
---|
1058 | * @param pcbWritten Where to store the number of bytes actually written.
|
---|
1059 | * If NULL the entire buffer must be successfully written.
|
---|
1060 | */
|
---|
1061 | typedef DECLCALLBACK(int) FNDBGCBACKWRITE(PDBGCBACK pBack, const void *pvBuf, size_t cbBuf, size_t *pcbWritten);
|
---|
1062 | /** Pointer to a FNDBGCBACKWRITE() callback. */
|
---|
1063 | typedef FNDBGCBACKWRITE *PFNDBGCBACKWRITE;
|
---|
1064 |
|
---|
1065 | /**
|
---|
1066 | * Ready / busy notification.
|
---|
1067 | *
|
---|
1068 | * @param pBack Pointer to the backend structure supplied by
|
---|
1069 | * the backend. The backend can use this to find
|
---|
1070 | * it's instance data.
|
---|
1071 | * @param fReady Whether it's ready (true) or busy (false).
|
---|
1072 | */
|
---|
1073 | typedef DECLCALLBACK(void) FNDBGCBACKSETREADY(PDBGCBACK pBack, bool fReady);
|
---|
1074 | /** Pointer to a FNDBGCBACKSETREADY() callback. */
|
---|
1075 | typedef FNDBGCBACKSETREADY *PFNDBGCBACKSETREADY;
|
---|
1076 |
|
---|
1077 |
|
---|
1078 | /**
|
---|
1079 | * The communication backend provides the console with a number of callbacks
|
---|
1080 | * which can be used
|
---|
1081 | */
|
---|
1082 | typedef struct DBGCBACK
|
---|
1083 | {
|
---|
1084 | /** Check for input. */
|
---|
1085 | PFNDBGCBACKINPUT pfnInput;
|
---|
1086 | /** Read input. */
|
---|
1087 | PFNDBGCBACKREAD pfnRead;
|
---|
1088 | /** Write output. */
|
---|
1089 | PFNDBGCBACKWRITE pfnWrite;
|
---|
1090 | /** Ready / busy notification. */
|
---|
1091 | PFNDBGCBACKSETREADY pfnSetReady;
|
---|
1092 | } DBGCBACK;
|
---|
1093 |
|
---|
1094 |
|
---|
1095 | /**
|
---|
1096 | * Make a console instance.
|
---|
1097 | *
|
---|
1098 | * This will not return until either an 'exit' command is issued or a error code
|
---|
1099 | * indicating connection loss is encountered.
|
---|
1100 | *
|
---|
1101 | * @returns VINF_SUCCESS if console termination caused by the 'exit' command.
|
---|
1102 | * @returns The VBox status code causing the console termination.
|
---|
1103 | *
|
---|
1104 | * @param pVM VM Handle.
|
---|
1105 | * @param pBack Pointer to the backend structure. This must contain
|
---|
1106 | * a full set of function pointers to service the console.
|
---|
1107 | * @param fFlags Reserved, must be zero.
|
---|
1108 | * @remark A forced termination of the console is easiest done by forcing the
|
---|
1109 | * callbacks to return fatal failures.
|
---|
1110 | */
|
---|
1111 | DBGDECL(int) DBGCCreate(PVM pVM, PDBGCBACK pBack, unsigned fFlags);
|
---|
1112 |
|
---|
1113 |
|
---|
1114 | /**
|
---|
1115 | * Register one or more external commands.
|
---|
1116 | *
|
---|
1117 | * @returns VBox status.
|
---|
1118 | * @param paCommands Pointer to an array of command descriptors.
|
---|
1119 | * The commands must be unique. It's not possible
|
---|
1120 | * to register the same commands more than once.
|
---|
1121 | * @param cCommands Number of commands.
|
---|
1122 | */
|
---|
1123 | DBGDECL(int) DBGCRegisterCommands(PCDBGCCMD paCommands, unsigned cCommands);
|
---|
1124 |
|
---|
1125 |
|
---|
1126 | /**
|
---|
1127 | * Deregister one or more external commands previously registered by
|
---|
1128 | * DBGCRegisterCommands().
|
---|
1129 | *
|
---|
1130 | * @returns VBox status.
|
---|
1131 | * @param paCommands Pointer to an array of command descriptors
|
---|
1132 | * as given to DBGCRegisterCommands().
|
---|
1133 | * @param cCommands Number of commands.
|
---|
1134 | */
|
---|
1135 | DBGDECL(int) DBGCDeregisterCommands(PCDBGCCMD paCommands, unsigned cCommands);
|
---|
1136 |
|
---|
1137 |
|
---|
1138 | /**
|
---|
1139 | * Spawns a new thread with a TCP based debugging console service.
|
---|
1140 | *
|
---|
1141 | * @returns VBox status.
|
---|
1142 | * @param pVM VM handle.
|
---|
1143 | * @param ppvData Where to store the pointer to instance data.
|
---|
1144 | */
|
---|
1145 | DBGDECL(int) DBGCTcpCreate(PVM pVM, void **ppvUser);
|
---|
1146 |
|
---|
1147 | /**
|
---|
1148 | * Terminates any running TCP base debugger console service.
|
---|
1149 | *
|
---|
1150 | * @returns VBox status.
|
---|
1151 | * @param pVM VM handle.
|
---|
1152 | * @param pvData Instance data set by DBGCTcpCreate().
|
---|
1153 | */
|
---|
1154 | DBGDECL(int) DBGCTcpTerminate(PVM pVM, void *pvData);
|
---|
1155 |
|
---|
1156 |
|
---|
1157 | /** @defgroup grp_dbgc_plug_in The DBGC Plug-in Interface
|
---|
1158 | * @{
|
---|
1159 | */
|
---|
1160 |
|
---|
1161 | /** The plug-in module name prefix. */
|
---|
1162 | #define DBGC_PLUG_IN_PREFIX "DBGCPlugIn"
|
---|
1163 |
|
---|
1164 | /** The name of the plug-in entry point (FNDBGCPLUGIN) */
|
---|
1165 | #define DBGC_PLUG_IN_ENTRYPOINT "DBGCPlugInEntry"
|
---|
1166 |
|
---|
1167 | /**
|
---|
1168 | * DBGC plug-in operations.
|
---|
1169 | */
|
---|
1170 | typedef enum DBGCPLUGINOP
|
---|
1171 | {
|
---|
1172 | /** The usual invalid first value. */
|
---|
1173 | DBGCPLUGINOP_INVALID,
|
---|
1174 | /** Initialize the plug-in, register all the stuff.
|
---|
1175 | * The plug-in will be unloaded on failure.
|
---|
1176 | * uArg: The VirtualBox version (major+minor). */
|
---|
1177 | DBGCPLUGINOP_INIT,
|
---|
1178 | /** Terminate the plug-ing, deregister all the stuff.
|
---|
1179 | * The plug-in will be unloaded after this call regardless of the return
|
---|
1180 | * code. */
|
---|
1181 | DBGCPLUGINOP_TERM,
|
---|
1182 | /** The usual 32-bit hack. */
|
---|
1183 | DBGCPLUGINOP_32BIT_HACK = 0x7fffffff
|
---|
1184 | } DBGCPLUGINOP;
|
---|
1185 |
|
---|
1186 | /**
|
---|
1187 | * DBGC plug-in main entry point.
|
---|
1188 | *
|
---|
1189 | * @returns VBox status code.
|
---|
1190 | *
|
---|
1191 | * @param enmOperation The operation.
|
---|
1192 | * @param pVM The VM handle. This may be NULL.
|
---|
1193 | * @param uArg Extra argument.
|
---|
1194 | */
|
---|
1195 | typedef DECLCALLBACK(int) FNDBGCPLUGIN(DBGCPLUGINOP enmOperation, PVM pVM, uintptr_t uArg);
|
---|
1196 | /** Pointer to a FNDBGCPLUGIN. */
|
---|
1197 | typedef FNDBGCPLUGIN *PFNDBGCPLUGIN;
|
---|
1198 |
|
---|
1199 | /** @copydoc FNDBGCPLUGIN */
|
---|
1200 | DECLEXPORT(int) DBGCPlugInEntry(DBGCPLUGINOP enmOperation, PVM pVM, uintptr_t uArg);
|
---|
1201 |
|
---|
1202 | #endif /* IN_RING3 */
|
---|
1203 |
|
---|
1204 | /** @} */
|
---|
1205 |
|
---|
1206 |
|
---|
1207 | RT_C_DECLS_END
|
---|
1208 |
|
---|
1209 | #endif
|
---|