1 | /** @file
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2 | * Debugger Interfaces.
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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 innotek GmbH
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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 as published by the Free Software Foundation,
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16 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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17 | * distribution. VirtualBox OSE is distributed in the hope that it will
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18 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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19 | *
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20 | * If you received this file as part of a commercial VirtualBox
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21 | * distribution, then only the terms of your commercial VirtualBox
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22 | * license agreement apply instead of the previous paragraph.
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23 | */
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24 |
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25 | #ifndef ___VBox_dbg_h
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26 | #define ___VBox_dbg_h
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27 |
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28 | #include <VBox/cdefs.h>
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29 | #include <VBox/types.h>
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30 | #include <VBox/dbgf.h>
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31 |
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32 | #include <iprt/stdarg.h>
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33 |
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34 | __BEGIN_DECLS
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35 |
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36 | /** @def VBOX_WITH_DEBUGGER
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37 | * The build is with debugger module. Test if this is defined before
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38 | * registering external debugger commands.
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39 | */
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40 | #ifndef VBOX_WITH_DEBUGGER
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41 | # ifdef DEBUG
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42 | # define VBOX_WITH_DEBUGGER
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43 | # endif
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44 | #endif
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45 |
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46 |
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47 | /**
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48 | * DBGC variable category.
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49 | *
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50 | * Used to describe an argument to a command or function and a functions
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51 | * return value.
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52 | */
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53 | typedef enum DBGCVARCAT
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54 | {
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55 | /** Any type is fine. */
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56 | DBGCVAR_CAT_ANY = 0,
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57 | /** Any kind of pointer. */
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58 | DBGCVAR_CAT_POINTER,
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59 | /** Any kind of pointer with no range option. */
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60 | DBGCVAR_CAT_POINTER_NO_RANGE,
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61 | /** GC pointer. */
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62 | DBGCVAR_CAT_GC_POINTER,
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63 | /** GC pointer with no range option. */
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64 | DBGCVAR_CAT_GC_POINTER_NO_RANGE,
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65 | /** Numeric argument. */
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66 | DBGCVAR_CAT_NUMBER,
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67 | /** Numeric argument with no range option. */
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68 | DBGCVAR_CAT_NUMBER_NO_RANGE,
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69 | /** String. */
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70 | DBGCVAR_CAT_STRING,
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71 | /** Symbol. */
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72 | DBGCVAR_CAT_SYMBOL
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73 | } DBGCVARCAT;
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74 |
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75 |
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76 | /**
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77 | * DBGC variable type.
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78 | */
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79 | typedef enum DBGCVARTYPE
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80 | {
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81 | /** unknown... */
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82 | DBGCVAR_TYPE_UNKNOWN = 0,
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83 | /** Flat GC pointer. */
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84 | DBGCVAR_TYPE_GC_FLAT,
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85 | /** Segmented GC pointer. */
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86 | DBGCVAR_TYPE_GC_FAR,
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87 | /** Physical GC pointer. */
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88 | DBGCVAR_TYPE_GC_PHYS,
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89 | /** Flat HC pointer. */
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90 | DBGCVAR_TYPE_HC_FLAT,
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91 | /** Segmented HC pointer. */
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92 | DBGCVAR_TYPE_HC_FAR,
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93 | /** Physical HC pointer. */
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94 | DBGCVAR_TYPE_HC_PHYS,
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95 | /** String. */
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96 | DBGCVAR_TYPE_STRING,
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97 | /** Number. */
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98 | DBGCVAR_TYPE_NUMBER,
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99 | /** Symbol. */
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100 | DBGCVAR_TYPE_SYMBOL,
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101 | /** Special type used when querying symbols. */
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102 | DBGCVAR_TYPE_ANY
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103 | } DBGCVARTYPE;
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104 |
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105 | /** Checks if the specified variable type is of a pointer persuasion. */
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106 | #define DBGCVAR_ISPOINTER(enmType) (enmType >= DBGCVAR_TYPE_GC_FLAT && enmType <= DBGCVAR_TYPE_HC_PHYS)
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107 | /** Checks if the specified variable type is of a pointer persuasion and of the guest context sort. */
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108 | #define DBGCVAR_ISGCPOINTER(enmType) (enmType >= DBGCVAR_TYPE_GC_FLAT && enmType <= DBGCVAR_TYPE_GC_PHYS)
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109 | /** Checks if the specified variable type is of a pointer persuasion and of the host context sort. */
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110 | #define DBGCVAR_ISHCPOINTER(enmType) (enmType >= DBGCVAR_TYPE_HC_FLAT && enmType <= DBGCVAR_TYPE_HC_PHYS)
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111 |
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112 |
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113 | /**
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114 | * DBGC variable range type.
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115 | */
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116 | typedef enum DBGCVARRANGETYPE
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117 | {
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118 | /** No range appliable or no range specified. */
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119 | DBGCVAR_RANGE_NONE = 0,
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120 | /** Number of elements. */
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121 | DBGCVAR_RANGE_ELEMENTS,
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122 | /** Number of bytes. */
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123 | DBGCVAR_RANGE_BYTES
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124 | } DBGCVARRANGETYPE;
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125 |
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126 |
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127 | /**
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128 | * Variable descriptor.
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129 | */
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130 | typedef struct DBGCVARDESC
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131 | {
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132 | /** The minimal number of times this argument may occur.
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133 | * Use 0 here to inidicate that the argument is optional. */
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134 | unsigned cTimesMin;
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135 | /** Maximum number of occurences.
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136 | * Use ~0 here to indicate infinite. */
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137 | unsigned cTimesMax;
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138 | /** Argument category. */
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139 | DBGCVARCAT enmCategory;
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140 | /** Flags, DBGCVD_FLAGS_* */
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141 | unsigned fFlags;
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142 | /** Argument name. */
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143 | const char *pszName;
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144 | /** Argument name. */
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145 | const char *pszDescription;
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146 | } DBGCVARDESC;
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147 | /** Pointer to an argument descriptor. */
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148 | typedef DBGCVARDESC *PDBGCVARDESC;
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149 | /** Pointer to a const argument descriptor. */
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150 | typedef const DBGCVARDESC *PCDBGCVARDESC;
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151 |
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152 | /** Variable descriptor flags.
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153 | * @{ */
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154 | /** Indicates that the variable depends on the previous being present. */
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155 | #define DBGCVD_FLAGS_DEP_PREV BIT(1)
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156 | /** @} */
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157 |
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158 |
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159 | /**
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160 | * DBGC variable.
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161 | */
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162 | typedef struct DBGCVAR
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163 | {
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164 | /** Pointer to the argument descriptor. */
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165 | PCDBGCVARDESC pDesc;
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166 | /** Pointer to the next argument. */
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167 | struct DBGCVAR *pNext;
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168 |
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169 | /** Argument type. */
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170 | DBGCVARTYPE enmType;
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171 | /** Type specific. */
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172 | union
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173 | {
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174 | /** Flat GC Address. (DBGCVAR_TYPE_GC_FLAT) */
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175 | RTGCPTR GCFlat;
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176 | /** Far (16:32) GC Address. (DBGCVAR_TYPE_GC_FAR) */
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177 | RTFAR32 GCFar;
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178 | /** Physical GC Address. (DBGCVAR_TYPE_GC_PHYS) */
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179 | RTGCPHYS GCPhys;
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180 | /** Flat HC Address. (DBGCVAR_TYPE_HC_FLAT) */
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181 | void *pvHCFlat;
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182 | /** Far (16:32) HC Address. (DBGCVAR_TYPE_HC_FAR) */
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183 | RTFAR32 HCFar;
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184 | /** Physical GC Address. (DBGCVAR_TYPE_HC_PHYS) */
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185 | RTHCPHYS HCPhys;
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186 | /** String. (DBGCVAR_TYPE_STRING)
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187 | * The basic idea is the the this is a pointer to the expression we're
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188 | * parsing, so no messing with freeing. */
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189 | const char *pszString;
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190 | /** Number. (DBGCVAR_TYPE_NUMBER) */
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191 | uint64_t u64Number;
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192 | } u;
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193 |
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194 | /** Range type. */
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195 | DBGCVARRANGETYPE enmRangeType;
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196 | /** Range. The use of the content depends on the enmRangeType. */
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197 | uint64_t u64Range;
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198 | } DBGCVAR;
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199 | /** Pointer to a command argument. */
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200 | typedef DBGCVAR *PDBGCVAR;
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201 | /** Pointer to a const command argument. */
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202 | typedef const DBGCVAR *PCDBGCVAR;
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203 |
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204 |
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205 | /** Pointer to helper functions for commands. */
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206 | typedef struct DBGCCMDHLP *PDBGCCMDHLP;
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207 |
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208 | /**
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209 | * Command helper for writing text to the debug console.
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210 | *
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211 | * @returns VBox status.
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212 | * @param pCmdHlp Pointer to the command callback structure.
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213 | * @param pvBuf What to write.
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214 | * @param cbBuf Number of bytes to write.
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215 | * @param pcbWritten Where to store the number of bytes actually written.
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216 | * If NULL the entire buffer must be successfully written.
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217 | */
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218 | typedef DECLCALLBACK(int) FNDBGCHLPWRITE(PDBGCCMDHLP pCmdHlp, const void *pvBuf, size_t cbBuf, size_t *pcbWritten);
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219 | /** Pointer to a FNDBGCHLPWRITE() function. */
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220 | typedef FNDBGCHLPWRITE *PFNDBGCHLPWRITE;
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221 |
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222 | /**
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223 | * Command helper for writing formatted text to the debug console.
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224 | *
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225 | * @returns VBox status.
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226 | * @param pCmdHlp Pointer to the command callback structure.
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227 | * @param pcb Where to store the number of bytes written.
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228 | * @param pszFormat The format string.
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229 | * This is using the log formatter, so it's format extensions can be used.
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230 | * @param ... Arguments specified in the format string.
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231 | */
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232 | typedef DECLCALLBACK(int) FNDBGCHLPPRINTF(PDBGCCMDHLP pCmdHlp, size_t *pcbWritten, const char *pszFormat, ...);
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233 | /** Pointer to a FNDBGCHLPPRINTF() function. */
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234 | typedef FNDBGCHLPPRINTF *PFNDBGCHLPPRINTF;
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235 |
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236 | /**
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237 | * Command helper for writing formatted text to the debug console.
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238 | *
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239 | * @returns VBox status.
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240 | * @param pCmdHlp Pointer to the command callback structure.
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241 | * @param pcb Where to store the number of bytes written.
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242 | * @param pszFormat The format string.
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243 | * This is using the log formatter, so it's format extensions can be used.
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244 | * @param args Arguments specified in the format string.
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245 | */
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246 | typedef DECLCALLBACK(int) FNDBGCHLPPRINTFV(PDBGCCMDHLP pCmdHlp, size_t *pcbWritten, const char *pszFormat, va_list args);
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247 | /** Pointer to a FNDBGCHLPPRINTFV() function. */
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248 | typedef FNDBGCHLPPRINTFV *PFNDBGCHLPPRINTFV;
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249 |
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250 | /**
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251 | * Command helper for formatting and error message for a VBox status code.
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252 | *
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253 | * @returns VBox status code appropriate to return from a command.
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254 | * @param pCmdHlp Pointer to the command callback structure.
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255 | * @param rc The VBox status code.
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256 | * @param pcb Where to store the number of bytes written.
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257 | * @param pszFormat Format string for additional messages. Can be NULL.
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258 | * @param ... Format arguments, optional.
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259 | */
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260 | typedef DECLCALLBACK(int) FNDBGCHLPVBOXERROR(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, ...);
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261 | /** Pointer to a FNDBGCHLPVBOXERROR() function. */
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262 | typedef FNDBGCHLPVBOXERROR *PFNDBGCHLPVBOXERROR;
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263 |
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264 | /**
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265 | * Command helper for formatting and error message for a VBox status code.
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266 | *
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267 | * @returns VBox status code appropriate to return from a command.
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268 | * @param pCmdHlp Pointer to the command callback structure.
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269 | * @param rc The VBox status code.
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270 | * @param pcb Where to store the number of bytes written.
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271 | * @param pszFormat Format string for additional messages. Can be NULL.
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272 | * @param args Format arguments, optional.
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273 | */
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274 | typedef DECLCALLBACK(int) FNDBGCHLPVBOXERRORV(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, va_list args);
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275 | /** Pointer to a FNDBGCHLPVBOXERRORV() function. */
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276 | typedef FNDBGCHLPVBOXERRORV *PFNDBGCHLPVBOXERRORV;
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277 |
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278 | /**
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279 | * Command helper for reading memory specified by a DBGC variable.
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280 | *
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281 | * @returns VBox status code appropriate to return from a command.
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282 | * @param pCmdHlp Pointer to the command callback structure.
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283 | * @param pVM VM handle if GC or physical HC address.
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284 | * @param pvBuffer Where to store the read data.
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285 | * @param cbRead Number of bytes to read.
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286 | * @param pVarPointer DBGC variable specifying where to start reading.
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287 | * @param pcbRead Where to store the number of bytes actually read.
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288 | * This optional, but it's useful when read GC virtual memory where a
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289 | * page in the requested range might not be present.
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290 | * If not specified not-present failure or end of a HC physical page
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291 | * will cause failure.
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292 | */
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293 | typedef DECLCALLBACK(int) FNDBGCHLPMEMREAD(PDBGCCMDHLP pCmdHlp, PVM pVM, void *pvBuffer, size_t cbRead, PCDBGCVAR pVarPointer, size_t *pcbRead);
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294 | /** Pointer to a FNDBGCHLPMEMREAD() function. */
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295 | typedef FNDBGCHLPMEMREAD *PFNDBGCHLPMEMREAD;
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296 |
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297 | /**
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298 | * Command helper for writing memory specified by a DBGC variable.
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299 | *
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300 | * @returns VBox status code appropriate to return from a command.
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301 | * @param pCmdHlp Pointer to the command callback structure.
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302 | * @param pVM VM handle if GC or physical HC address.
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303 | * @param pvBuffer What to write.
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304 | * @param cbWrite Number of bytes to write.
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305 | * @param pVarPointer DBGC variable specifying where to start reading.
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306 | * @param pcbWritten Where to store the number of bytes written.
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307 | * This is optional. If NULL be aware that some of the buffer
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308 | * might have been written to the specified address.
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309 | */
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310 | typedef DECLCALLBACK(int) FNDBGCHLPMEMWRITE(PDBGCCMDHLP pCmdHlp, PVM pVM, const void *pvBuffer, size_t cbWrite, PCDBGCVAR pVarPointer, size_t *pcbWritten);
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311 | /** Pointer to a FNDBGCHLPMEMWRITE() function. */
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312 | typedef FNDBGCHLPMEMWRITE *PFNDBGCHLPMEMWRITE;
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313 |
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314 |
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315 | /**
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316 | * Evaluates an expression.
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317 | * (Hopefully the parser and functions are fully reentrant.)
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318 | *
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319 | * @returns VBox status code appropriate to return from a command.
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320 | * @param pCmdHlp Pointer to the command callback structure.
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321 | * @param pResult Where to store the result.
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322 | * @param pszExpr The expression. Format string with the format DBGC extensions.
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323 | * @param ... Format arguments.
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324 | */
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325 | typedef DECLCALLBACK(int) FNDBGCHLPEVAL(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, ...);
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326 | /** Pointer to a FNDBGCHLPEVAL() function. */
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327 | typedef FNDBGCHLPEVAL *PFNDBGCHLPEVAL;
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328 |
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329 |
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330 | /**
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331 | * Executes command an expression.
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332 | * (Hopefully the parser and functions are fully reentrant.)
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333 | *
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334 | * @returns VBox status code appropriate to return from a command.
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335 | * @param pCmdHlp Pointer to the command callback structure.
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336 | * @param pszExpr The expression. Format string with the format DBGC extensions.
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337 | * @param ... Format arguments.
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338 | */
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339 | typedef DECLCALLBACK(int) FNDBGCHLPEXEC(PDBGCCMDHLP pCmdHlp, const char *pszExpr, ...);
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340 | /** Pointer to a FNDBGCHLPEVAL() function. */
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341 | typedef FNDBGCHLPEXEC *PFNDBGCHLPEXEC;
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342 |
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343 |
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344 | /**
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345 | * Helper functions for commands.
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346 | */
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347 | typedef struct DBGCCMDHLP
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348 | {
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349 | /** Pointer to a FNDBCHLPWRITE() function. */
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350 | PFNDBGCHLPWRITE pfnWrite;
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351 | /** Pointer to a FNDBGCHLPPRINTF() function. */
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352 | PFNDBGCHLPPRINTF pfnPrintf;
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353 | /** Pointer to a FNDBGCHLPPRINTFV() function. */
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354 | PFNDBGCHLPPRINTFV pfnPrintfV;
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355 | /** Pointer to a FNDBGCHLPVBOXERROR() function. */
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356 | PFNDBGCHLPVBOXERROR pfnVBoxError;
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357 | /** Pointer to a FNDBGCHLPVBOXERRORV() function. */
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358 | PFNDBGCHLPVBOXERRORV pfnVBoxErrorV;
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359 | /** Pointer to a FNDBGCHLPMEMREAD() function. */
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360 | PFNDBGCHLPMEMREAD pfnMemRead;
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361 | /** Pointer to a FNDBGCHLPMEMWRITE() function. */
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362 | PFNDBGCHLPMEMWRITE pfnMemWrite;
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363 | /** Pointer to a FNDBGCHLPEVAL() function. */
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364 | PFNDBGCHLPEVAL pfnEval;
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365 | /** Pointer to a FNDBGCHLPEXEC() function. */
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366 | PFNDBGCHLPEXEC pfnExec;
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367 |
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368 | /**
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369 | * Converts a DBGC variable to a DBGF address structure.
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370 | *
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371 | * @returns VBox status code.
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372 | * @param pCmdHlp Pointer to the command callback structure.
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373 | * @param pVar The variable to convert.
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374 | * @param pAddress The target address.
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375 | */
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376 | DECLCALLBACKMEMBER(int, pfnVarToDbgfAddr)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress);
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377 |
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378 | /**
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379 | * Converts a DBGC variable to a boolean.
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380 | *
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381 | * @returns VBox status code.
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382 | * @param pCmdHlp Pointer to the command callback structure.
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383 | * @param pVar The variable to convert.
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384 | * @param pf Where to store the boolean.
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385 | */
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386 | DECLCALLBACKMEMBER(int, pfnVarToBool)(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf);
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387 |
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388 | } DBGCCMDHLP;
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389 |
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390 |
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391 |
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392 | /** Pointer to command descriptor. */
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393 | typedef struct DBGCCMD *PDBGCCMD;
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394 | /** Pointer to const command descriptor. */
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395 | typedef const struct DBGCCMD *PCDBGCCMD;
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396 |
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397 | /**
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398 | * Command handler.
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399 | *
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400 | * The console will call the handler for a command once it's finished
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401 | * parsing the user input. The command handler function is responsible
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402 | * for executing the command itself.
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403 | *
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404 | * @returns VBox status.
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405 | * @param pCmd Pointer to the command descriptor (as registered).
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406 | * @param pCmdHlp Pointer to command helper functions.
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407 | * @param pVM Pointer to the current VM (if any).
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408 | * @param paArgs Pointer to (readonly) array of arguments.
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409 | * @param cArgs Number of arguments in the array.
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410 | * @param pResult Where to store the result. NULL if no result descriptor was specified.
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411 | */
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412 | typedef DECLCALLBACK(int) FNDBGCCMD(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR pArgs, unsigned cArgs, PDBGCVAR pResult);
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413 | /** Pointer to a FNDBGCCMD() function. */
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414 | typedef FNDBGCCMD *PFNDBGCCMD;
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415 |
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416 | /**
|
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417 | * DBGC command descriptor.
|
---|
418 | *
|
---|
419 | * If a pResultDesc is specified the command can be called and used
|
---|
420 | * as a function too. If it's a pure function, set fFlags to
|
---|
421 | * DBGCCMD_FLAGS_FUNCTION.
|
---|
422 | */
|
---|
423 | typedef struct DBGCCMD
|
---|
424 | {
|
---|
425 | /** Command string. */
|
---|
426 | const char *pszCmd;
|
---|
427 | /** Minimum number of arguments. */
|
---|
428 | unsigned cArgsMin;
|
---|
429 | /** Max number of arguments. */
|
---|
430 | unsigned cArgsMax;
|
---|
431 | /** Argument descriptors (array). */
|
---|
432 | PCDBGCVARDESC paArgDescs;
|
---|
433 | /** Number of argument descriptors. */
|
---|
434 | unsigned cArgDescs;
|
---|
435 | /** Result descriptor. */
|
---|
436 | PCDBGCVARDESC pResultDesc;
|
---|
437 | /** flags. (reserved for now) */
|
---|
438 | unsigned fFlags;
|
---|
439 | /** Handler function. */
|
---|
440 | PFNDBGCCMD pfnHandler;
|
---|
441 | /** Command syntax. */
|
---|
442 | const char *pszSyntax;
|
---|
443 | /** Command description. */
|
---|
444 | const char *pszDescription;
|
---|
445 | } DBGCCMD;
|
---|
446 |
|
---|
447 | /** DBGCCMD Flags.
|
---|
448 | * @{
|
---|
449 | */
|
---|
450 | /** The description is of a pure function which cannot be invoked
|
---|
451 | * as a command from the commandline. */
|
---|
452 | #define DBGCCMD_FLAGS_FUNCTION 1
|
---|
453 | /** @} */
|
---|
454 |
|
---|
455 |
|
---|
456 |
|
---|
457 | /** Pointer to a DBGC backend. */
|
---|
458 | typedef struct DBGCBACK *PDBGCBACK;
|
---|
459 |
|
---|
460 | /**
|
---|
461 | * Checks if there is input.
|
---|
462 | *
|
---|
463 | * @returns true if there is input ready.
|
---|
464 | * @returns false if there not input ready.
|
---|
465 | * @param pBack Pointer to the backend structure supplied by
|
---|
466 | * the backend. The backend can use this to find
|
---|
467 | * it's instance data.
|
---|
468 | * @param cMillies Number of milliseconds to wait on input data.
|
---|
469 | */
|
---|
470 | typedef DECLCALLBACK(bool) FNDBGCBACKINPUT(PDBGCBACK pBack, uint32_t cMillies);
|
---|
471 | /** Pointer to a FNDBGCBACKINPUT() callback. */
|
---|
472 | typedef FNDBGCBACKINPUT *PFNDBGCBACKINPUT;
|
---|
473 |
|
---|
474 | /**
|
---|
475 | * Read input.
|
---|
476 | *
|
---|
477 | * @returns VBox status code.
|
---|
478 | * @param pBack Pointer to the backend structure supplied by
|
---|
479 | * the backend. The backend can use this to find
|
---|
480 | * it's instance data.
|
---|
481 | * @param pvBuf Where to put the bytes we read.
|
---|
482 | * @param cbBuf Maximum nymber of bytes to read.
|
---|
483 | * @param pcbRead Where to store the number of bytes actually read.
|
---|
484 | * If NULL the entire buffer must be filled for a
|
---|
485 | * successful return.
|
---|
486 | */
|
---|
487 | typedef DECLCALLBACK(int) FNDBGCBACKREAD(PDBGCBACK pBack, void *pvBuf, size_t cbBuf, size_t *pcbRead);
|
---|
488 | /** Pointer to a FNDBGCBACKREAD() callback. */
|
---|
489 | typedef FNDBGCBACKREAD *PFNDBGCBACKREAD;
|
---|
490 |
|
---|
491 | /**
|
---|
492 | * Write (output).
|
---|
493 | *
|
---|
494 | * @returns VBox status code.
|
---|
495 | * @param pBack Pointer to the backend structure supplied by
|
---|
496 | * the backend. The backend can use this to find
|
---|
497 | * it's instance data.
|
---|
498 | * @param pvBuf What to write.
|
---|
499 | * @param cbBuf Number of bytes to write.
|
---|
500 | * @param pcbWritten Where to store the number of bytes actually written.
|
---|
501 | * If NULL the entire buffer must be successfully written.
|
---|
502 | */
|
---|
503 | typedef DECLCALLBACK(int) FNDBGCBACKWRITE(PDBGCBACK pBack, const void *pvBuf, size_t cbBuf, size_t *pcbWritten);
|
---|
504 | /** Pointer to a FNDBGCBACKWRITE() callback. */
|
---|
505 | typedef FNDBGCBACKWRITE *PFNDBGCBACKWRITE;
|
---|
506 |
|
---|
507 |
|
---|
508 | /**
|
---|
509 | * The communication backend provides the console with a number of callbacks
|
---|
510 | * which can be used
|
---|
511 | */
|
---|
512 | typedef struct DBGCBACK
|
---|
513 | {
|
---|
514 | /** Check for input. */
|
---|
515 | PFNDBGCBACKINPUT pfnInput;
|
---|
516 | /** Read input. */
|
---|
517 | PFNDBGCBACKREAD pfnRead;
|
---|
518 | /** Write output. */
|
---|
519 | PFNDBGCBACKWRITE pfnWrite;
|
---|
520 | } DBGCBACK;
|
---|
521 |
|
---|
522 |
|
---|
523 | /**
|
---|
524 | * Make a console instance.
|
---|
525 | *
|
---|
526 | * This will not return until either an 'exit' command is issued or a error code
|
---|
527 | * indicating connection loss is encountered.
|
---|
528 | *
|
---|
529 | * @returns VINF_SUCCESS if console termination caused by the 'exit' command.
|
---|
530 | * @returns The VBox status code causing the console termination.
|
---|
531 | *
|
---|
532 | * @param pVM VM Handle.
|
---|
533 | * @param pBack Pointer to the backend structure. This must contain
|
---|
534 | * a full set of function pointers to service the console.
|
---|
535 | * @param fFlags Reserved, must be zero.
|
---|
536 | * @remark A forced termination of the console is easiest done by forcing the
|
---|
537 | * callbacks to return fatal failures.
|
---|
538 | */
|
---|
539 | DBGDECL(int) DBGCCreate(PVM pVM, PDBGCBACK pBack, unsigned fFlags);
|
---|
540 |
|
---|
541 |
|
---|
542 | /**
|
---|
543 | * Register one or more external commands.
|
---|
544 | *
|
---|
545 | * @returns VBox status.
|
---|
546 | * @param paCommands Pointer to an array of command descriptors.
|
---|
547 | * The commands must be unique. It's not possible
|
---|
548 | * to register the same commands more than once.
|
---|
549 | * @param cCommands Number of commands.
|
---|
550 | */
|
---|
551 | DBGDECL(int) DBGCRegisterCommands(PCDBGCCMD paCommands, unsigned cCommands);
|
---|
552 |
|
---|
553 |
|
---|
554 | /**
|
---|
555 | * Deregister one or more external commands previously registered by
|
---|
556 | * DBGCRegisterCommands().
|
---|
557 | *
|
---|
558 | * @returns VBox status.
|
---|
559 | * @param paCommands Pointer to an array of command descriptors
|
---|
560 | * as given to DBGCRegisterCommands().
|
---|
561 | * @param cCommands Number of commands.
|
---|
562 | */
|
---|
563 | DBGDECL(int) DBGCDeregisterCommands(PCDBGCCMD paCommands, unsigned cCommands);
|
---|
564 |
|
---|
565 |
|
---|
566 | /**
|
---|
567 | * Spawns a new thread with a TCP based debugging console service.
|
---|
568 | *
|
---|
569 | * @returns VBox status.
|
---|
570 | * @param pVM VM handle.
|
---|
571 | * @param ppvData Where to store the pointer to instance data.
|
---|
572 | */
|
---|
573 | DBGDECL(int) DBGCTcpCreate(PVM pVM, void **ppvUser);
|
---|
574 |
|
---|
575 | /**
|
---|
576 | * Terminates any running TCP base debugger consolse service.
|
---|
577 | *
|
---|
578 | * @returns VBox status.
|
---|
579 | * @param pVM VM handle.
|
---|
580 | * @param pvData Instance data set by DBGCTcpCreate().
|
---|
581 | */
|
---|
582 | DBGDECL(int) DBGCTcpTerminate(PVM pVM, void *pvData);
|
---|
583 |
|
---|
584 |
|
---|
585 | __END_DECLS
|
---|
586 |
|
---|
587 | #endif
|
---|