1 | /* $Id: DBGCOps.cpp 69498 2017-10-28 15:07:25Z vboxsync $ */
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2 | /** @file
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3 | * DBGC - Debugger Console, Operators.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2016 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #define LOG_GROUP LOG_GROUP_DBGC
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23 | #include <VBox/dbg.h>
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24 | #include <VBox/vmm/dbgf.h>
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25 | #include <VBox/param.h>
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26 | #include <VBox/err.h>
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27 | #include <VBox/log.h>
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28 |
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29 | #include <iprt/assert.h>
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30 | #include <iprt/mem.h>
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31 | #include <iprt/string.h>
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32 |
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33 | #include "DBGCInternal.h"
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34 |
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35 |
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36 | /*********************************************************************************************************************************
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37 | * Internal Functions *
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38 | *********************************************************************************************************************************/
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39 | static DECLCALLBACK(int) dbgcOpMinus(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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40 | static DECLCALLBACK(int) dbgcOpPluss(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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41 | static DECLCALLBACK(int) dbgcOpBooleanNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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42 | static DECLCALLBACK(int) dbgcOpBitwiseNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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43 | static DECLCALLBACK(int) dbgcOpVar(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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44 |
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45 | static DECLCALLBACK(int) dbgcOpAddrFar(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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46 | static DECLCALLBACK(int) dbgcOpMult(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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47 | static DECLCALLBACK(int) dbgcOpDiv(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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48 | static DECLCALLBACK(int) dbgcOpMod(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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49 | static DECLCALLBACK(int) dbgcOpAdd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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50 | static DECLCALLBACK(int) dbgcOpSub(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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51 | static DECLCALLBACK(int) dbgcOpBitwiseShiftLeft(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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52 | static DECLCALLBACK(int) dbgcOpBitwiseShiftRight(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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53 | static DECLCALLBACK(int) dbgcOpBitwiseAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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54 | static DECLCALLBACK(int) dbgcOpBitwiseXor(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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55 | static DECLCALLBACK(int) dbgcOpBitwiseOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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56 | static DECLCALLBACK(int) dbgcOpBooleanAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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57 | static DECLCALLBACK(int) dbgcOpBooleanOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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58 | static DECLCALLBACK(int) dbgcOpRangeLength(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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59 | static DECLCALLBACK(int) dbgcOpRangeLengthBytes(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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60 | static DECLCALLBACK(int) dbgcOpRangeTo(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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61 |
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62 |
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63 | /*********************************************************************************************************************************
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64 | * Defined Constants And Macros *
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65 | *********************************************************************************************************************************/
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66 | /**
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67 | * Generic implementation of a binary operator.
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68 | *
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69 | * @returns VINF_SUCCESS on success.
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70 | * @returns VBox evaluation / parsing error code on failure.
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71 | * The caller does the bitching.
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72 | * @param pDbgc Debugger console instance data.
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73 | * @param pArg1 The first argument.
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74 | * @param pArg2 The 2nd argument.
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75 | * @param pResult Where to store the result.
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76 | * @param Operator The C operator.
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77 | * @param fIsDiv Set if it's division and we need to check for zero on the
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78 | * right hand side.
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79 | */
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80 | #define DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, Operator, fIsDiv) \
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81 | do \
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82 | { \
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83 | if ((pArg1)->enmType == DBGCVAR_TYPE_STRING) \
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84 | return VERR_DBGC_PARSE_INVALID_OPERATION; \
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85 | \
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86 | /* Get the 64-bit right side value. */ \
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87 | uint64_t u64Right; \
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88 | int rc = dbgcOpHelperGetNumber((pDbgc), (pArg2), &u64Right); \
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89 | if ((fIsDiv) && RT_SUCCESS(rc) && !u64Right) /* div/0 kludge */ \
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90 | DBGCVAR_INIT_NUMBER((pResult), UINT64_MAX); \
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91 | else if (RT_SUCCESS(rc)) \
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92 | { \
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93 | /* Apply it to the left hand side. */ \
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94 | if ((pArg1)->enmType == DBGCVAR_TYPE_SYMBOL) \
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95 | { \
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96 | rc = dbgcSymbolGet((pDbgc), (pArg1)->u.pszString, DBGCVAR_TYPE_ANY, (pResult)); \
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97 | if (RT_FAILURE(rc)) \
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98 | return rc; \
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99 | } \
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100 | else \
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101 | *(pResult) = *(pArg1); \
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102 | switch ((pResult)->enmType) \
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103 | { \
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104 | case DBGCVAR_TYPE_GC_FLAT: \
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105 | (pResult)->u.GCFlat = (pResult)->u.GCFlat Operator u64Right; \
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106 | break; \
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107 | case DBGCVAR_TYPE_GC_FAR: \
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108 | (pResult)->u.GCFar.off = (pResult)->u.GCFar.off Operator u64Right; \
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109 | break; \
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110 | case DBGCVAR_TYPE_GC_PHYS: \
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111 | (pResult)->u.GCPhys = (pResult)->u.GCPhys Operator u64Right; \
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112 | break; \
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113 | case DBGCVAR_TYPE_HC_FLAT: \
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114 | (pResult)->u.pvHCFlat = (void *)((uintptr_t)(pResult)->u.pvHCFlat Operator u64Right); \
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115 | break; \
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116 | case DBGCVAR_TYPE_HC_PHYS: \
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117 | (pResult)->u.HCPhys = (pResult)->u.HCPhys Operator u64Right; \
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118 | break; \
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119 | case DBGCVAR_TYPE_NUMBER: \
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120 | (pResult)->u.u64Number = (pResult)->u.u64Number Operator u64Right; \
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121 | break; \
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122 | default: \
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123 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; \
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124 | } \
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125 | } \
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126 | return rc; \
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127 | } while (0)
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128 |
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129 |
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130 | /**
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131 | * Switch the factors/whatever so we preserve pointers.
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132 | * Far pointers are considered more important that physical and flat pointers.
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133 | *
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134 | * @param pArg1 The left side argument. Input & output.
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135 | * @param pArg2 The right side argument. Input & output.
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136 | */
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137 | #define DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2) \
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138 | do \
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139 | { \
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140 | if ( DBGCVAR_ISPOINTER((pArg2)->enmType) \
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141 | && ( !DBGCVAR_ISPOINTER((pArg1)->enmType) \
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142 | || ( DBGCVAR_IS_FAR_PTR((pArg2)->enmType) \
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143 | && !DBGCVAR_IS_FAR_PTR((pArg1)->enmType)))) \
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144 | { \
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145 | PCDBGCVAR pTmp = (pArg1); \
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146 | (pArg2) = (pArg1); \
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147 | (pArg1) = pTmp; \
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148 | } \
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149 | } while (0)
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150 |
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151 |
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152 | /*********************************************************************************************************************************
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153 | * Global Variables *
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154 | *********************************************************************************************************************************/
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155 | /** Operators. */
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156 | const DBGCOP g_aDbgcOps[] =
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157 | {
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158 | /* szName is initialized as a 4 char array because of M$C elsewise optimizing it away in /Ox mode (the 'const char' vs 'char' problem). */
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159 | /* szName, cchName, fBinary, iPrecedence, pfnHandlerUnary, pfnHandlerBitwise */
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160 | { {'-'}, 1, false, 1, dbgcOpMinus, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Unary minus." },
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161 | { {'+'}, 1, false, 1, dbgcOpPluss, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Unary plus." },
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162 | { {'!'}, 1, false, 1, dbgcOpBooleanNot, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Boolean not." },
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163 | { {'~'}, 1, false, 1, dbgcOpBitwiseNot, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise complement." },
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164 | { {':'}, 1, true, 2, NULL, dbgcOpAddrFar, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Far pointer." },
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165 | { {'%'}, 1, false, 3, dbgcOpAddrFlat, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Flat address." },
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166 | { {'%','%'}, 2, false, 3, dbgcOpAddrPhys, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Physical address." },
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167 | { {'#'}, 1, false, 3, dbgcOpAddrHost, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Flat host address." },
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168 | { {'#','%','%'}, 3, false, 3, dbgcOpAddrHostPhys, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Physical host address." },
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169 | { {'$'}, 1, false, 3, dbgcOpVar, NULL, DBGCVAR_CAT_SYMBOL, DBGCVAR_CAT_ANY, "Reference a variable." },
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170 | { {'@'}, 1, false, 3, dbgcOpRegister, NULL, DBGCVAR_CAT_SYMBOL, DBGCVAR_CAT_ANY, "Reference a register." },
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171 | { {'*'}, 1, true, 10, NULL, dbgcOpMult, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Multiplication." },
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172 | { {'/'}, 1, true, 11, NULL, dbgcOpDiv, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Division." },
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173 | { {'m','o','d'}, 3, true, 12, NULL, dbgcOpMod, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Modulus." },
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174 | { {'+'}, 1, true, 13, NULL, dbgcOpAdd, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Addition." },
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175 | { {'-'}, 1, true, 14, NULL, dbgcOpSub, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Subtraction." },
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176 | { {'<','<'}, 2, true, 15, NULL, dbgcOpBitwiseShiftLeft, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise left shift." },
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177 | { {'>','>'}, 2, true, 16, NULL, dbgcOpBitwiseShiftRight, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise right shift." },
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178 | { {'&'}, 1, true, 17, NULL, dbgcOpBitwiseAnd, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise and." },
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179 | { {'^'}, 1, true, 18, NULL, dbgcOpBitwiseXor, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise exclusiv or." },
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180 | { {'|'}, 1, true, 19, NULL, dbgcOpBitwiseOr, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise inclusive or." },
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181 | { {'&','&'}, 2, true, 20, NULL, dbgcOpBooleanAnd, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Boolean and." },
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182 | { {'|','|'}, 2, true, 21, NULL, dbgcOpBooleanOr, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Boolean or." },
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183 | { {'L'}, 1, true, 22, NULL, dbgcOpRangeLength, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Range elements." },
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184 | { {'L','B'}, 2, true, 23, NULL, dbgcOpRangeLengthBytes, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Range bytes." },
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185 | { {'T'}, 1, true, 24, NULL, dbgcOpRangeTo, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Range to." }
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186 | };
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187 |
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188 | /** Number of operators in the operator array. */
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189 | const uint32_t g_cDbgcOps = RT_ELEMENTS(g_aDbgcOps);
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190 |
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191 |
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192 | /**
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193 | * Converts an argument to a number value.
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194 | *
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195 | * @returns VBox status code.
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196 | * @param pDbgc The DBGC instance.
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197 | * @param pArg The argument to convert.
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198 | * @param pu64Ret Where to return the value.
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199 | */
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200 | static int dbgcOpHelperGetNumber(PDBGC pDbgc, PCDBGCVAR pArg, uint64_t *pu64Ret)
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201 | {
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202 | DBGCVAR Var = *pArg;
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203 | switch (Var.enmType)
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204 | {
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205 | case DBGCVAR_TYPE_GC_FLAT:
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206 | *pu64Ret = Var.u.GCFlat;
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207 | break;
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208 | case DBGCVAR_TYPE_GC_FAR:
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209 | *pu64Ret = Var.u.GCFar.off;
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210 | break;
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211 | case DBGCVAR_TYPE_GC_PHYS:
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212 | *pu64Ret = Var.u.GCPhys;
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213 | break;
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214 | case DBGCVAR_TYPE_HC_FLAT:
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215 | *pu64Ret = (uintptr_t)Var.u.pvHCFlat;
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216 | break;
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217 | case DBGCVAR_TYPE_HC_PHYS:
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218 | *pu64Ret = Var.u.HCPhys;
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219 | break;
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220 | case DBGCVAR_TYPE_NUMBER:
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221 | *pu64Ret = Var.u.u64Number;
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222 | break;
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223 | case DBGCVAR_TYPE_SYMBOL:
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224 | {
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225 | int rc = dbgcSymbolGet(pDbgc, Var.u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
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226 | if (RT_FAILURE(rc))
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227 | return rc;
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228 | }
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229 | RT_FALL_THRU();
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230 | case DBGCVAR_TYPE_STRING:
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231 | default:
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232 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
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233 | }
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234 | return VINF_SUCCESS;
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235 | }
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236 |
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237 |
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238 | /**
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239 | * @callback_method_impl{FNDBGCOPUNARY, Negate (unary).}
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240 | */
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241 | static DECLCALLBACK(int) dbgcOpMinus(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
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242 | {
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243 | RT_NOREF1(enmCat);
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244 | LogFlow(("dbgcOpMinus\n"));
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245 | *pResult = *pArg;
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246 | switch (pArg->enmType)
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247 | {
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248 | case DBGCVAR_TYPE_GC_FLAT:
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249 | pResult->u.GCFlat = -(RTGCINTPTR)pResult->u.GCFlat;
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250 | break;
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251 | case DBGCVAR_TYPE_GC_FAR:
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252 | pResult->u.GCFar.off = -(int32_t)pResult->u.GCFar.off;
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253 | break;
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254 | case DBGCVAR_TYPE_GC_PHYS:
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255 | pResult->u.GCPhys = (RTGCPHYS) -(int64_t)pResult->u.GCPhys;
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256 | break;
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257 | case DBGCVAR_TYPE_HC_FLAT:
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258 | pResult->u.pvHCFlat = (void *) -(intptr_t)pResult->u.pvHCFlat;
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259 | break;
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260 | case DBGCVAR_TYPE_HC_PHYS:
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261 | pResult->u.HCPhys = (RTHCPHYS) -(int64_t)pResult->u.HCPhys;
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262 | break;
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263 | case DBGCVAR_TYPE_NUMBER:
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264 | pResult->u.u64Number = -(int64_t)pResult->u.u64Number;
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265 | break;
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266 |
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267 | case DBGCVAR_TYPE_STRING:
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268 | case DBGCVAR_TYPE_SYMBOL:
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269 | default:
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270 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
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271 | }
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272 | NOREF(pDbgc);
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273 | return VINF_SUCCESS;
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274 | }
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275 |
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276 |
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277 | /**
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278 | * @callback_method_impl{FNDBGCOPUNARY, Plus (unary).}
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279 | */
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280 | static DECLCALLBACK(int) dbgcOpPluss(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
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281 | {
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282 | RT_NOREF1(enmCat);
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283 | LogFlow(("dbgcOpPluss\n"));
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284 | *pResult = *pArg;
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285 | switch (pArg->enmType)
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286 | {
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287 | case DBGCVAR_TYPE_GC_FLAT:
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288 | case DBGCVAR_TYPE_GC_FAR:
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289 | case DBGCVAR_TYPE_GC_PHYS:
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290 | case DBGCVAR_TYPE_HC_FLAT:
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291 | case DBGCVAR_TYPE_HC_PHYS:
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292 | case DBGCVAR_TYPE_NUMBER:
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293 | break;
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294 |
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295 | case DBGCVAR_TYPE_STRING:
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296 | case DBGCVAR_TYPE_SYMBOL:
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297 | default:
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298 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
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299 | }
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300 | NOREF(pDbgc);
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301 | return VINF_SUCCESS;
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302 | }
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303 |
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304 |
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305 | /**
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306 | * @callback_method_impl{FNDBGCOPUNARY, Boolean not (unary).}
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307 | */
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308 | static DECLCALLBACK(int) dbgcOpBooleanNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
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309 | {
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310 | RT_NOREF1(enmCat);
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311 | LogFlow(("dbgcOpBooleanNot\n"));
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312 | *pResult = *pArg;
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313 | switch (pArg->enmType)
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314 | {
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315 | case DBGCVAR_TYPE_GC_FLAT:
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316 | pResult->u.u64Number = !pResult->u.GCFlat;
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317 | break;
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318 | case DBGCVAR_TYPE_GC_FAR:
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319 | pResult->u.u64Number = !pResult->u.GCFar.off && pResult->u.GCFar.sel <= 3;
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320 | break;
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321 | case DBGCVAR_TYPE_GC_PHYS:
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322 | pResult->u.u64Number = !pResult->u.GCPhys;
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323 | break;
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324 | case DBGCVAR_TYPE_HC_FLAT:
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325 | pResult->u.u64Number = !pResult->u.pvHCFlat;
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326 | break;
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327 | case DBGCVAR_TYPE_HC_PHYS:
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328 | pResult->u.u64Number = !pResult->u.HCPhys;
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329 | break;
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330 | case DBGCVAR_TYPE_NUMBER:
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331 | pResult->u.u64Number = !pResult->u.u64Number;
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332 | break;
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333 | case DBGCVAR_TYPE_STRING:
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334 | case DBGCVAR_TYPE_SYMBOL:
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335 | pResult->u.u64Number = !pResult->u64Range;
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336 | break;
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337 |
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338 | case DBGCVAR_TYPE_UNKNOWN:
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339 | default:
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340 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
341 | }
|
---|
342 | pResult->enmType = DBGCVAR_TYPE_NUMBER;
|
---|
343 | NOREF(pDbgc);
|
---|
344 | return VINF_SUCCESS;
|
---|
345 | }
|
---|
346 |
|
---|
347 |
|
---|
348 | /**
|
---|
349 | * @callback_method_impl{FNDBGCOPUNARY, Bitwise not (unary).}
|
---|
350 | */
|
---|
351 | static DECLCALLBACK(int) dbgcOpBitwiseNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
352 | {
|
---|
353 | RT_NOREF1(enmCat);
|
---|
354 | LogFlow(("dbgcOpBitwiseNot\n"));
|
---|
355 | *pResult = *pArg;
|
---|
356 | switch (pArg->enmType)
|
---|
357 | {
|
---|
358 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
359 | pResult->u.GCFlat = ~pResult->u.GCFlat;
|
---|
360 | break;
|
---|
361 | case DBGCVAR_TYPE_GC_FAR:
|
---|
362 | pResult->u.GCFar.off = ~pResult->u.GCFar.off;
|
---|
363 | break;
|
---|
364 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
365 | pResult->u.GCPhys = ~pResult->u.GCPhys;
|
---|
366 | break;
|
---|
367 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
368 | pResult->u.pvHCFlat = (void *)~(uintptr_t)pResult->u.pvHCFlat;
|
---|
369 | break;
|
---|
370 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
371 | pResult->u.HCPhys = ~pResult->u.HCPhys;
|
---|
372 | break;
|
---|
373 | case DBGCVAR_TYPE_NUMBER:
|
---|
374 | pResult->u.u64Number = ~pResult->u.u64Number;
|
---|
375 | break;
|
---|
376 |
|
---|
377 | case DBGCVAR_TYPE_STRING:
|
---|
378 | case DBGCVAR_TYPE_SYMBOL:
|
---|
379 | default:
|
---|
380 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
381 | }
|
---|
382 | NOREF(pDbgc);
|
---|
383 | return VINF_SUCCESS;
|
---|
384 | }
|
---|
385 |
|
---|
386 |
|
---|
387 | /**
|
---|
388 | * @callback_method_impl{FNDBGCOPUNARY, Reference variable (unary).}
|
---|
389 | */
|
---|
390 | static DECLCALLBACK(int) dbgcOpVar(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
391 | {
|
---|
392 | RT_NOREF1(enmCat);
|
---|
393 | LogFlow(("dbgcOpVar: %s\n", pArg->u.pszString));
|
---|
394 | AssertReturn(pArg->enmType == DBGCVAR_TYPE_SYMBOL, VERR_DBGC_PARSE_BUG);
|
---|
395 |
|
---|
396 | /*
|
---|
397 | * Lookup the variable.
|
---|
398 | */
|
---|
399 | const char *pszVar = pArg->u.pszString;
|
---|
400 | for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
|
---|
401 | {
|
---|
402 | if (!strcmp(pszVar, pDbgc->papVars[iVar]->szName))
|
---|
403 | {
|
---|
404 | *pResult = pDbgc->papVars[iVar]->Var;
|
---|
405 | return VINF_SUCCESS;
|
---|
406 | }
|
---|
407 | }
|
---|
408 |
|
---|
409 | return VERR_DBGC_PARSE_VARIABLE_NOT_FOUND;
|
---|
410 | }
|
---|
411 |
|
---|
412 |
|
---|
413 | /**
|
---|
414 | * @callback_method_impl{FNDBGCOPUNARY, Reference register (unary).}
|
---|
415 | */
|
---|
416 | DECLCALLBACK(int) dbgcOpRegister(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
417 | {
|
---|
418 | LogFlow(("dbgcOpRegister: %s\n", pArg->u.pszString));
|
---|
419 | AssertReturn(pArg->enmType == DBGCVAR_TYPE_SYMBOL, VERR_DBGC_PARSE_BUG);
|
---|
420 |
|
---|
421 | /* Detect references to hypervisor registers. */
|
---|
422 | const char *pszReg = pArg->u.pszString;
|
---|
423 | VMCPUID idCpu = pDbgc->idCpu;
|
---|
424 | if (pszReg[0] == '.')
|
---|
425 | {
|
---|
426 | pszReg++;
|
---|
427 | idCpu |= DBGFREG_HYPER_VMCPUID;
|
---|
428 | }
|
---|
429 |
|
---|
430 | /*
|
---|
431 | * If the desired result is a symbol, pass the argument along unmodified.
|
---|
432 | * This is a great help for "r @eax" and such, since it will be translated to "r eax".
|
---|
433 | */
|
---|
434 | if (enmCat == DBGCVAR_CAT_SYMBOL)
|
---|
435 | {
|
---|
436 | int rc = DBGFR3RegNmValidate(pDbgc->pUVM, idCpu, pszReg);
|
---|
437 | if (RT_SUCCESS(rc))
|
---|
438 | DBGCVAR_INIT_STRING(pResult, pArg->u.pszString);
|
---|
439 | return rc;
|
---|
440 | }
|
---|
441 |
|
---|
442 | /*
|
---|
443 | * Get the register.
|
---|
444 | */
|
---|
445 | DBGFREGVALTYPE enmType;
|
---|
446 | DBGFREGVAL Value;
|
---|
447 | int rc = DBGFR3RegNmQuery(pDbgc->pUVM, idCpu, pszReg, &Value, &enmType);
|
---|
448 | if (RT_SUCCESS(rc))
|
---|
449 | {
|
---|
450 | switch (enmType)
|
---|
451 | {
|
---|
452 | case DBGFREGVALTYPE_U8:
|
---|
453 | DBGCVAR_INIT_NUMBER(pResult, Value.u8);
|
---|
454 | return VINF_SUCCESS;
|
---|
455 |
|
---|
456 | case DBGFREGVALTYPE_U16:
|
---|
457 | DBGCVAR_INIT_NUMBER(pResult, Value.u16);
|
---|
458 | return VINF_SUCCESS;
|
---|
459 |
|
---|
460 | case DBGFREGVALTYPE_U32:
|
---|
461 | DBGCVAR_INIT_NUMBER(pResult, Value.u32);
|
---|
462 | return VINF_SUCCESS;
|
---|
463 |
|
---|
464 | case DBGFREGVALTYPE_U64:
|
---|
465 | DBGCVAR_INIT_NUMBER(pResult, Value.u64);
|
---|
466 | return VINF_SUCCESS;
|
---|
467 |
|
---|
468 | case DBGFREGVALTYPE_U128:
|
---|
469 | DBGCVAR_INIT_NUMBER(pResult, Value.u128.s.Lo);
|
---|
470 | return VINF_SUCCESS;
|
---|
471 |
|
---|
472 | case DBGFREGVALTYPE_U256:
|
---|
473 | DBGCVAR_INIT_NUMBER(pResult, Value.u256.QWords.qw0);
|
---|
474 | return VINF_SUCCESS;
|
---|
475 |
|
---|
476 | case DBGFREGVALTYPE_U512:
|
---|
477 | DBGCVAR_INIT_NUMBER(pResult, Value.u512.QWords.qw0);
|
---|
478 | return VINF_SUCCESS;
|
---|
479 |
|
---|
480 | case DBGFREGVALTYPE_R80:
|
---|
481 | #ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
|
---|
482 | DBGCVAR_INIT_NUMBER(pResult, (uint64_t)Value.r80Ex.lrd);
|
---|
483 | #else
|
---|
484 | DBGCVAR_INIT_NUMBER(pResult, (uint64_t)Value.r80Ex.sj64.u63Fraction);
|
---|
485 | #endif
|
---|
486 | return VINF_SUCCESS;
|
---|
487 |
|
---|
488 | case DBGFREGVALTYPE_DTR:
|
---|
489 | DBGCVAR_INIT_NUMBER(pResult, Value.dtr.u64Base);
|
---|
490 | return VINF_SUCCESS;
|
---|
491 |
|
---|
492 | case DBGFREGVALTYPE_INVALID:
|
---|
493 | case DBGFREGVALTYPE_END:
|
---|
494 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
495 | break;
|
---|
496 | }
|
---|
497 | rc = VERR_INTERNAL_ERROR_5;
|
---|
498 | }
|
---|
499 | return rc;
|
---|
500 | }
|
---|
501 |
|
---|
502 |
|
---|
503 | /**
|
---|
504 | * @callback_method_impl{FNDBGCOPUNARY, Flat address (unary).}
|
---|
505 | */
|
---|
506 | DECLCALLBACK(int) dbgcOpAddrFlat(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
507 | {
|
---|
508 | RT_NOREF1(enmCat);
|
---|
509 | LogFlow(("dbgcOpAddrFlat\n"));
|
---|
510 | DBGCVARTYPE enmType = DBGCVAR_ISHCPOINTER(pArg->enmType) ? DBGCVAR_TYPE_HC_FLAT : DBGCVAR_TYPE_GC_FLAT;
|
---|
511 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, enmType, true /*fConvSyms*/, pResult);
|
---|
512 | }
|
---|
513 |
|
---|
514 |
|
---|
515 | /**
|
---|
516 | * @callback_method_impl{FNDBGCOPUNARY, Physical address (unary).}
|
---|
517 | */
|
---|
518 | DECLCALLBACK(int) dbgcOpAddrPhys(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
519 | {
|
---|
520 | RT_NOREF1(enmCat);
|
---|
521 | LogFlow(("dbgcOpAddrPhys\n"));
|
---|
522 | DBGCVARTYPE enmType = DBGCVAR_ISHCPOINTER(pArg->enmType) ? DBGCVAR_TYPE_HC_PHYS : DBGCVAR_TYPE_GC_PHYS;
|
---|
523 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, enmType, true /*fConvSyms*/, pResult);
|
---|
524 | }
|
---|
525 |
|
---|
526 |
|
---|
527 | /**
|
---|
528 | * @callback_method_impl{FNDBGCOPUNARY, Physical host address (unary).}
|
---|
529 | */
|
---|
530 | DECLCALLBACK(int) dbgcOpAddrHostPhys(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
531 | {
|
---|
532 | RT_NOREF1(enmCat);
|
---|
533 | LogFlow(("dbgcOpAddrPhys\n"));
|
---|
534 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, DBGCVAR_TYPE_HC_PHYS, true /*fConvSyms*/, pResult);
|
---|
535 | }
|
---|
536 |
|
---|
537 |
|
---|
538 | /**
|
---|
539 | * @callback_method_impl{FNDBGCOPUNARY, Host address (unary).}
|
---|
540 | */
|
---|
541 | DECLCALLBACK(int) dbgcOpAddrHost(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
542 | {
|
---|
543 | RT_NOREF1(enmCat);
|
---|
544 | LogFlow(("dbgcOpAddrHost\n"));
|
---|
545 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, DBGCVAR_TYPE_HC_FLAT, true /*fConvSyms*/, pResult);
|
---|
546 | }
|
---|
547 |
|
---|
548 |
|
---|
549 | /**
|
---|
550 | * @callback_method_impl{FNDBGCOPUNARY, Far address (unary).}
|
---|
551 | */
|
---|
552 | static DECLCALLBACK(int) dbgcOpAddrFar(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
553 | {
|
---|
554 | LogFlow(("dbgcOpAddrFar\n"));
|
---|
555 | int rc;
|
---|
556 |
|
---|
557 | switch (pArg1->enmType)
|
---|
558 | {
|
---|
559 | case DBGCVAR_TYPE_SYMBOL:
|
---|
560 | rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_NUMBER, pResult);
|
---|
561 | if (RT_FAILURE(rc))
|
---|
562 | return rc;
|
---|
563 | break;
|
---|
564 | case DBGCVAR_TYPE_NUMBER:
|
---|
565 | *pResult = *pArg1;
|
---|
566 | break;
|
---|
567 | default:
|
---|
568 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
569 | }
|
---|
570 | pResult->u.GCFar.sel = (RTSEL)pResult->u.u64Number;
|
---|
571 |
|
---|
572 | /* common code for the two types we support. */
|
---|
573 | switch (pArg2->enmType)
|
---|
574 | {
|
---|
575 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
576 | pResult->u.GCFar.off = pArg2->u.GCFlat;
|
---|
577 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
578 | break;
|
---|
579 |
|
---|
580 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
581 | pResult->u.pvHCFlat = (void *)(uintptr_t)pArg2->u.GCFlat;
|
---|
582 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
583 | break;
|
---|
584 |
|
---|
585 | case DBGCVAR_TYPE_NUMBER:
|
---|
586 | pResult->u.GCFar.off = (RTGCPTR)pArg2->u.u64Number;
|
---|
587 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
588 | break;
|
---|
589 |
|
---|
590 | case DBGCVAR_TYPE_SYMBOL:
|
---|
591 | {
|
---|
592 | DBGCVAR Var;
|
---|
593 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
|
---|
594 | if (RT_FAILURE(rc))
|
---|
595 | return rc;
|
---|
596 | pResult->u.GCFar.off = (RTGCPTR)Var.u.u64Number;
|
---|
597 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
598 | break;
|
---|
599 | }
|
---|
600 |
|
---|
601 | default:
|
---|
602 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
603 | }
|
---|
604 | return VINF_SUCCESS;
|
---|
605 |
|
---|
606 | }
|
---|
607 |
|
---|
608 |
|
---|
609 | /**
|
---|
610 | * Multiplication operator (binary).
|
---|
611 | *
|
---|
612 | * @returns VINF_SUCCESS on success.
|
---|
613 | * @returns VBox evaluation / parsing error code on failure.
|
---|
614 | * The caller does the bitching.
|
---|
615 | * @param pDbgc Debugger console instance data.
|
---|
616 | * @param pArg1 The first argument.
|
---|
617 | * @param pArg2 The 2nd argument.
|
---|
618 | * @param pResult Where to store the result.
|
---|
619 | */
|
---|
620 | static DECLCALLBACK(int) dbgcOpMult(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
621 | {
|
---|
622 | LogFlow(("dbgcOpMult\n"));
|
---|
623 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
624 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, *, false);
|
---|
625 | }
|
---|
626 |
|
---|
627 |
|
---|
628 | /**
|
---|
629 | * Division operator (binary).
|
---|
630 | *
|
---|
631 | * @returns VINF_SUCCESS on success.
|
---|
632 | * @returns VBox evaluation / parsing error code on failure.
|
---|
633 | * The caller does the bitching.
|
---|
634 | * @param pDbgc Debugger console instance data.
|
---|
635 | * @param pArg1 The first argument.
|
---|
636 | * @param pArg2 The 2nd argument.
|
---|
637 | * @param pResult Where to store the result.
|
---|
638 | */
|
---|
639 | static DECLCALLBACK(int) dbgcOpDiv(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
640 | {
|
---|
641 | LogFlow(("dbgcOpDiv\n"));
|
---|
642 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, /, true);
|
---|
643 | }
|
---|
644 |
|
---|
645 |
|
---|
646 | /**
|
---|
647 | * Modulus operator (binary).
|
---|
648 | *
|
---|
649 | * @returns VINF_SUCCESS on success.
|
---|
650 | * @returns VBox evaluation / parsing error code on failure.
|
---|
651 | * The caller does the bitching.
|
---|
652 | * @param pDbgc Debugger console instance data.
|
---|
653 | * @param pArg1 The first argument.
|
---|
654 | * @param pArg2 The 2nd argument.
|
---|
655 | * @param pResult Where to store the result.
|
---|
656 | */
|
---|
657 | static DECLCALLBACK(int) dbgcOpMod(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
658 | {
|
---|
659 | LogFlow(("dbgcOpMod\n"));
|
---|
660 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, %, false);
|
---|
661 | }
|
---|
662 |
|
---|
663 |
|
---|
664 | /**
|
---|
665 | * Addition operator (binary).
|
---|
666 | *
|
---|
667 | * @returns VINF_SUCCESS on success.
|
---|
668 | * @returns VBox evaluation / parsing error code on failure.
|
---|
669 | * The caller does the bitching.
|
---|
670 | * @param pDbgc Debugger console instance data.
|
---|
671 | * @param pArg1 The first argument.
|
---|
672 | * @param pArg2 The 2nd argument.
|
---|
673 | * @param pResult Where to store the result.
|
---|
674 | */
|
---|
675 | static DECLCALLBACK(int) dbgcOpAdd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
676 | {
|
---|
677 | LogFlow(("dbgcOpAdd\n"));
|
---|
678 |
|
---|
679 | /*
|
---|
680 | * An addition operation will return (when possible) the left side type in the
|
---|
681 | * expression. We make an omission for numbers, where we'll take the right side
|
---|
682 | * type instead. An expression where only the left hand side is a symbol we'll
|
---|
683 | * use the right hand type to try resolve it.
|
---|
684 | */
|
---|
685 | if ( pArg1->enmType == DBGCVAR_TYPE_STRING
|
---|
686 | || pArg2->enmType == DBGCVAR_TYPE_STRING)
|
---|
687 | return VERR_DBGC_PARSE_INVALID_OPERATION; /** @todo string contactenation later. */
|
---|
688 |
|
---|
689 | if ( (pArg1->enmType == DBGCVAR_TYPE_NUMBER && pArg2->enmType != DBGCVAR_TYPE_SYMBOL)
|
---|
690 | || (pArg1->enmType == DBGCVAR_TYPE_SYMBOL && pArg2->enmType != DBGCVAR_TYPE_SYMBOL))
|
---|
691 | {
|
---|
692 | PCDBGCVAR pTmp = pArg2;
|
---|
693 | pArg2 = pArg1;
|
---|
694 | pArg1 = pTmp;
|
---|
695 | }
|
---|
696 |
|
---|
697 | DBGCVAR Sym1, Sym2;
|
---|
698 | if (pArg1->enmType == DBGCVAR_TYPE_SYMBOL)
|
---|
699 | {
|
---|
700 | int rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_ANY, &Sym1);
|
---|
701 | if (RT_FAILURE(rc))
|
---|
702 | return rc;
|
---|
703 | pArg1 = &Sym1;
|
---|
704 |
|
---|
705 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_ANY, &Sym2);
|
---|
706 | if (RT_FAILURE(rc))
|
---|
707 | return rc;
|
---|
708 | pArg2 = &Sym2;
|
---|
709 | }
|
---|
710 |
|
---|
711 | int rc;
|
---|
712 | DBGCVAR Var;
|
---|
713 | DBGCVAR Var2;
|
---|
714 | switch (pArg1->enmType)
|
---|
715 | {
|
---|
716 | /*
|
---|
717 | * GC Flat
|
---|
718 | */
|
---|
719 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
720 | switch (pArg2->enmType)
|
---|
721 | {
|
---|
722 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
723 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
724 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
725 | default:
|
---|
726 | *pResult = *pArg1;
|
---|
727 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
728 | if (RT_FAILURE(rc))
|
---|
729 | return rc;
|
---|
730 | pResult->u.GCFlat += pArg2->u.GCFlat;
|
---|
731 | break;
|
---|
732 | }
|
---|
733 | break;
|
---|
734 |
|
---|
735 | /*
|
---|
736 | * GC Far
|
---|
737 | */
|
---|
738 | case DBGCVAR_TYPE_GC_FAR:
|
---|
739 | switch (pArg2->enmType)
|
---|
740 | {
|
---|
741 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
742 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
743 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
744 | case DBGCVAR_TYPE_NUMBER:
|
---|
745 | *pResult = *pArg1;
|
---|
746 | pResult->u.GCFar.off += (RTGCPTR)pArg2->u.u64Number;
|
---|
747 | break;
|
---|
748 | default:
|
---|
749 | rc = dbgcOpAddrFlat(pDbgc, pArg1, DBGCVAR_CAT_ANY, pResult);
|
---|
750 | if (RT_FAILURE(rc))
|
---|
751 | return rc;
|
---|
752 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
753 | if (RT_FAILURE(rc))
|
---|
754 | return rc;
|
---|
755 | pResult->u.GCFlat += pArg2->u.GCFlat;
|
---|
756 | break;
|
---|
757 | }
|
---|
758 | break;
|
---|
759 |
|
---|
760 | /*
|
---|
761 | * GC Phys
|
---|
762 | */
|
---|
763 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
764 | switch (pArg2->enmType)
|
---|
765 | {
|
---|
766 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
767 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
768 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
769 | default:
|
---|
770 | *pResult = *pArg1;
|
---|
771 | rc = dbgcOpAddrPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
772 | if (RT_FAILURE(rc))
|
---|
773 | return rc;
|
---|
774 | if (Var.enmType != DBGCVAR_TYPE_GC_PHYS)
|
---|
775 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
776 | pResult->u.GCPhys += Var.u.GCPhys;
|
---|
777 | break;
|
---|
778 | }
|
---|
779 | break;
|
---|
780 |
|
---|
781 | /*
|
---|
782 | * HC Flat
|
---|
783 | */
|
---|
784 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
785 | *pResult = *pArg1;
|
---|
786 | rc = dbgcOpAddrHost(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var2);
|
---|
787 | if (RT_FAILURE(rc))
|
---|
788 | return rc;
|
---|
789 | rc = dbgcOpAddrFlat(pDbgc, &Var2, DBGCVAR_CAT_ANY, &Var);
|
---|
790 | if (RT_FAILURE(rc))
|
---|
791 | return rc;
|
---|
792 | pResult->u.pvHCFlat = (char *)pResult->u.pvHCFlat + (uintptr_t)Var.u.pvHCFlat;
|
---|
793 | break;
|
---|
794 |
|
---|
795 | /*
|
---|
796 | * HC Phys
|
---|
797 | */
|
---|
798 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
799 | *pResult = *pArg1;
|
---|
800 | rc = dbgcOpAddrHostPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
801 | if (RT_FAILURE(rc))
|
---|
802 | return rc;
|
---|
803 | pResult->u.HCPhys += Var.u.HCPhys;
|
---|
804 | break;
|
---|
805 |
|
---|
806 | /*
|
---|
807 | * Numbers (see start of function)
|
---|
808 | */
|
---|
809 | case DBGCVAR_TYPE_NUMBER:
|
---|
810 | *pResult = *pArg1;
|
---|
811 | switch (pArg2->enmType)
|
---|
812 | {
|
---|
813 | case DBGCVAR_TYPE_SYMBOL:
|
---|
814 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
|
---|
815 | if (RT_FAILURE(rc))
|
---|
816 | return rc;
|
---|
817 | RT_FALL_THRU();
|
---|
818 | case DBGCVAR_TYPE_NUMBER:
|
---|
819 | pResult->u.u64Number += pArg2->u.u64Number;
|
---|
820 | break;
|
---|
821 | default:
|
---|
822 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
823 | }
|
---|
824 | break;
|
---|
825 |
|
---|
826 | default:
|
---|
827 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
828 |
|
---|
829 | }
|
---|
830 | return VINF_SUCCESS;
|
---|
831 | }
|
---|
832 |
|
---|
833 |
|
---|
834 | /**
|
---|
835 | * Subtraction operator (binary).
|
---|
836 | *
|
---|
837 | * @returns VINF_SUCCESS on success.
|
---|
838 | * @returns VBox evaluation / parsing error code on failure.
|
---|
839 | * The caller does the bitching.
|
---|
840 | * @param pDbgc Debugger console instance data.
|
---|
841 | * @param pArg1 The first argument.
|
---|
842 | * @param pArg2 The 2nd argument.
|
---|
843 | * @param pResult Where to store the result.
|
---|
844 | */
|
---|
845 | static DECLCALLBACK(int) dbgcOpSub(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
846 | {
|
---|
847 | LogFlow(("dbgcOpSub\n"));
|
---|
848 |
|
---|
849 | /*
|
---|
850 | * An subtraction operation will return the left side type in the expression.
|
---|
851 | * However, if the left hand side is a number and the right hand a pointer of
|
---|
852 | * some kind we'll convert the left hand side to the same type as the right hand.
|
---|
853 | * Any symbols will be resolved, strings will be rejected.
|
---|
854 | */
|
---|
855 | DBGCVAR Sym1, Sym2;
|
---|
856 | if ( pArg2->enmType == DBGCVAR_TYPE_SYMBOL
|
---|
857 | && ( pArg1->enmType == DBGCVAR_TYPE_NUMBER
|
---|
858 | || pArg1->enmType == DBGCVAR_TYPE_SYMBOL))
|
---|
859 | {
|
---|
860 | int rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_ANY, &Sym2);
|
---|
861 | if (RT_FAILURE(rc))
|
---|
862 | return rc;
|
---|
863 | pArg2 = &Sym2;
|
---|
864 | }
|
---|
865 |
|
---|
866 | if ( pArg1->enmType == DBGCVAR_TYPE_STRING
|
---|
867 | || pArg2->enmType == DBGCVAR_TYPE_STRING)
|
---|
868 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
869 |
|
---|
870 | if (pArg1->enmType == DBGCVAR_TYPE_SYMBOL)
|
---|
871 | {
|
---|
872 | DBGCVARTYPE enmType;
|
---|
873 | switch (pArg2->enmType)
|
---|
874 | {
|
---|
875 | case DBGCVAR_TYPE_NUMBER:
|
---|
876 | enmType = DBGCVAR_TYPE_ANY;
|
---|
877 | break;
|
---|
878 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
879 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
880 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
881 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
882 | enmType = pArg2->enmType;
|
---|
883 | break;
|
---|
884 | case DBGCVAR_TYPE_GC_FAR:
|
---|
885 | enmType = DBGCVAR_TYPE_GC_FLAT;
|
---|
886 | break;
|
---|
887 | default: AssertFailedReturn(VERR_DBGC_IPE);
|
---|
888 | }
|
---|
889 | if (enmType != DBGCVAR_TYPE_STRING)
|
---|
890 | {
|
---|
891 | int rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_ANY, &Sym1);
|
---|
892 | if (RT_FAILURE(rc))
|
---|
893 | return rc;
|
---|
894 | pArg1 = &Sym1;
|
---|
895 | }
|
---|
896 | }
|
---|
897 | else if (pArg1->enmType == DBGCVAR_TYPE_NUMBER)
|
---|
898 | {
|
---|
899 | PFNDBGCOPUNARY pOp = NULL;
|
---|
900 | switch (pArg2->enmType)
|
---|
901 | {
|
---|
902 | case DBGCVAR_TYPE_GC_FAR:
|
---|
903 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
904 | pOp = dbgcOpAddrFlat;
|
---|
905 | break;
|
---|
906 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
907 | pOp = dbgcOpAddrPhys;
|
---|
908 | break;
|
---|
909 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
910 | pOp = dbgcOpAddrHost;
|
---|
911 | break;
|
---|
912 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
913 | pOp = dbgcOpAddrHostPhys;
|
---|
914 | break;
|
---|
915 | case DBGCVAR_TYPE_NUMBER:
|
---|
916 | break;
|
---|
917 | default: AssertFailedReturn(VERR_DBGC_IPE);
|
---|
918 | }
|
---|
919 | if (pOp)
|
---|
920 | {
|
---|
921 | int rc = pOp(pDbgc, pArg1, DBGCVAR_CAT_ANY, &Sym1);
|
---|
922 | if (RT_FAILURE(rc))
|
---|
923 | return rc;
|
---|
924 | pArg1 = &Sym1;
|
---|
925 | }
|
---|
926 | }
|
---|
927 |
|
---|
928 | /*
|
---|
929 | * Normal processing.
|
---|
930 | */
|
---|
931 | int rc;
|
---|
932 | DBGCVAR Var;
|
---|
933 | DBGCVAR Var2;
|
---|
934 | switch (pArg1->enmType)
|
---|
935 | {
|
---|
936 | /*
|
---|
937 | * GC Flat
|
---|
938 | */
|
---|
939 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
940 | switch (pArg2->enmType)
|
---|
941 | {
|
---|
942 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
943 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
944 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
945 | default:
|
---|
946 | *pResult = *pArg1;
|
---|
947 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
948 | if (RT_FAILURE(rc))
|
---|
949 | return rc;
|
---|
950 | pResult->u.GCFlat -= pArg2->u.GCFlat;
|
---|
951 | break;
|
---|
952 | }
|
---|
953 | break;
|
---|
954 |
|
---|
955 | /*
|
---|
956 | * GC Far
|
---|
957 | */
|
---|
958 | case DBGCVAR_TYPE_GC_FAR:
|
---|
959 | switch (pArg2->enmType)
|
---|
960 | {
|
---|
961 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
962 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
963 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
964 | case DBGCVAR_TYPE_NUMBER:
|
---|
965 | *pResult = *pArg1;
|
---|
966 | pResult->u.GCFar.off -= (RTGCPTR)pArg2->u.u64Number;
|
---|
967 | break;
|
---|
968 | default:
|
---|
969 | rc = dbgcOpAddrFlat(pDbgc, pArg1, DBGCVAR_CAT_ANY, pResult);
|
---|
970 | if (RT_FAILURE(rc))
|
---|
971 | return rc;
|
---|
972 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
973 | if (RT_FAILURE(rc))
|
---|
974 | return rc;
|
---|
975 | pResult->u.GCFlat -= pArg2->u.GCFlat;
|
---|
976 | break;
|
---|
977 | }
|
---|
978 | break;
|
---|
979 |
|
---|
980 | /*
|
---|
981 | * GC Phys
|
---|
982 | */
|
---|
983 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
984 | switch (pArg2->enmType)
|
---|
985 | {
|
---|
986 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
987 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
988 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
989 | default:
|
---|
990 | *pResult = *pArg1;
|
---|
991 | rc = dbgcOpAddrPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
992 | if (RT_FAILURE(rc))
|
---|
993 | return rc;
|
---|
994 | if (Var.enmType != DBGCVAR_TYPE_GC_PHYS)
|
---|
995 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
996 | pResult->u.GCPhys -= Var.u.GCPhys;
|
---|
997 | break;
|
---|
998 | }
|
---|
999 | break;
|
---|
1000 |
|
---|
1001 | /*
|
---|
1002 | * HC Flat
|
---|
1003 | */
|
---|
1004 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
1005 | *pResult = *pArg1;
|
---|
1006 | rc = dbgcOpAddrHost(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var2);
|
---|
1007 | if (RT_FAILURE(rc))
|
---|
1008 | return rc;
|
---|
1009 | rc = dbgcOpAddrFlat(pDbgc, &Var2, DBGCVAR_CAT_ANY, &Var);
|
---|
1010 | if (RT_FAILURE(rc))
|
---|
1011 | return rc;
|
---|
1012 | pResult->u.pvHCFlat = (char *)pResult->u.pvHCFlat - (uintptr_t)Var.u.pvHCFlat;
|
---|
1013 | break;
|
---|
1014 |
|
---|
1015 | /*
|
---|
1016 | * HC Phys
|
---|
1017 | */
|
---|
1018 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
1019 | *pResult = *pArg1;
|
---|
1020 | rc = dbgcOpAddrHostPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
1021 | if (RT_FAILURE(rc))
|
---|
1022 | return rc;
|
---|
1023 | pResult->u.HCPhys -= Var.u.HCPhys;
|
---|
1024 | break;
|
---|
1025 |
|
---|
1026 | /*
|
---|
1027 | * Numbers (see start of function)
|
---|
1028 | */
|
---|
1029 | case DBGCVAR_TYPE_NUMBER:
|
---|
1030 | *pResult = *pArg1;
|
---|
1031 | switch (pArg2->enmType)
|
---|
1032 | {
|
---|
1033 | case DBGCVAR_TYPE_SYMBOL:
|
---|
1034 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
|
---|
1035 | if (RT_FAILURE(rc))
|
---|
1036 | return rc;
|
---|
1037 | RT_FALL_THRU();
|
---|
1038 | case DBGCVAR_TYPE_NUMBER:
|
---|
1039 | pResult->u.u64Number -= pArg2->u.u64Number;
|
---|
1040 | break;
|
---|
1041 | default:
|
---|
1042 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1043 | }
|
---|
1044 | break;
|
---|
1045 |
|
---|
1046 | default:
|
---|
1047 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1048 |
|
---|
1049 | }
|
---|
1050 | return VINF_SUCCESS;
|
---|
1051 | }
|
---|
1052 |
|
---|
1053 |
|
---|
1054 | /**
|
---|
1055 | * Bitwise shift left operator (binary).
|
---|
1056 | *
|
---|
1057 | * @returns VINF_SUCCESS on success.
|
---|
1058 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1059 | * The caller does the bitching.
|
---|
1060 | * @param pDbgc Debugger console instance data.
|
---|
1061 | * @param pArg1 The first argument.
|
---|
1062 | * @param pArg2 The 2nd argument.
|
---|
1063 | * @param pResult Where to store the result.
|
---|
1064 | */
|
---|
1065 | static DECLCALLBACK(int) dbgcOpBitwiseShiftLeft(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1066 | {
|
---|
1067 | LogFlow(("dbgcOpBitwiseShiftLeft\n"));
|
---|
1068 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, <<, false);
|
---|
1069 | }
|
---|
1070 |
|
---|
1071 |
|
---|
1072 | /**
|
---|
1073 | * Bitwise shift right operator (binary).
|
---|
1074 | *
|
---|
1075 | * @returns VINF_SUCCESS on success.
|
---|
1076 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1077 | * The caller does the bitching.
|
---|
1078 | * @param pDbgc Debugger console instance data.
|
---|
1079 | * @param pArg1 The first argument.
|
---|
1080 | * @param pArg2 The 2nd argument.
|
---|
1081 | * @param pResult Where to store the result.
|
---|
1082 | */
|
---|
1083 | static DECLCALLBACK(int) dbgcOpBitwiseShiftRight(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1084 | {
|
---|
1085 | LogFlow(("dbgcOpBitwiseShiftRight\n"));
|
---|
1086 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, >>, false);
|
---|
1087 | }
|
---|
1088 |
|
---|
1089 |
|
---|
1090 | /**
|
---|
1091 | * Bitwise and operator (binary).
|
---|
1092 | *
|
---|
1093 | * @returns VINF_SUCCESS on success.
|
---|
1094 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1095 | * The caller does the bitching.
|
---|
1096 | * @param pDbgc Debugger console instance data.
|
---|
1097 | * @param pArg1 The first argument.
|
---|
1098 | * @param pArg2 The 2nd argument.
|
---|
1099 | * @param pResult Where to store the result.
|
---|
1100 | */
|
---|
1101 | static DECLCALLBACK(int) dbgcOpBitwiseAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1102 | {
|
---|
1103 | LogFlow(("dbgcOpBitwiseAnd\n"));
|
---|
1104 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
1105 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, &, false);
|
---|
1106 | }
|
---|
1107 |
|
---|
1108 |
|
---|
1109 | /**
|
---|
1110 | * Bitwise exclusive or operator (binary).
|
---|
1111 | *
|
---|
1112 | * @returns VINF_SUCCESS on success.
|
---|
1113 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1114 | * The caller does the bitching.
|
---|
1115 | * @param pDbgc Debugger console instance data.
|
---|
1116 | * @param pArg1 The first argument.
|
---|
1117 | * @param pArg2 The 2nd argument.
|
---|
1118 | * @param pResult Where to store the result.
|
---|
1119 | */
|
---|
1120 | static DECLCALLBACK(int) dbgcOpBitwiseXor(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1121 | {
|
---|
1122 | LogFlow(("dbgcOpBitwiseXor\n"));
|
---|
1123 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
1124 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, ^, false);
|
---|
1125 | }
|
---|
1126 |
|
---|
1127 |
|
---|
1128 | /**
|
---|
1129 | * Bitwise inclusive or operator (binary).
|
---|
1130 | *
|
---|
1131 | * @returns VINF_SUCCESS on success.
|
---|
1132 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1133 | * The caller does the bitching.
|
---|
1134 | * @param pDbgc Debugger console instance data.
|
---|
1135 | * @param pArg1 The first argument.
|
---|
1136 | * @param pArg2 The 2nd argument.
|
---|
1137 | * @param pResult Where to store the result.
|
---|
1138 | */
|
---|
1139 | static DECLCALLBACK(int) dbgcOpBitwiseOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1140 | {
|
---|
1141 | LogFlow(("dbgcOpBitwiseOr\n"));
|
---|
1142 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
1143 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, |, false);
|
---|
1144 | }
|
---|
1145 |
|
---|
1146 |
|
---|
1147 | /**
|
---|
1148 | * Boolean and operator (binary).
|
---|
1149 | *
|
---|
1150 | * @returns VINF_SUCCESS on success.
|
---|
1151 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1152 | * The caller does the bitching.
|
---|
1153 | * @param pDbgc Debugger console instance data.
|
---|
1154 | * @param pArg1 The first argument.
|
---|
1155 | * @param pArg2 The 2nd argument.
|
---|
1156 | * @param pResult Where to store the result.
|
---|
1157 | */
|
---|
1158 | static DECLCALLBACK(int) dbgcOpBooleanAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1159 | {
|
---|
1160 | LogFlow(("dbgcOpBooleanAnd\n"));
|
---|
1161 | /** @todo force numeric return value? */
|
---|
1162 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, &&, false);
|
---|
1163 | }
|
---|
1164 |
|
---|
1165 |
|
---|
1166 | /**
|
---|
1167 | * Boolean or operator (binary).
|
---|
1168 | *
|
---|
1169 | * @returns VINF_SUCCESS on success.
|
---|
1170 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1171 | * The caller does the bitching.
|
---|
1172 | * @param pDbgc Debugger console instance data.
|
---|
1173 | * @param pArg1 The first argument.
|
---|
1174 | * @param pArg2 The 2nd argument.
|
---|
1175 | * @param pResult Where to store the result.
|
---|
1176 | */
|
---|
1177 | static DECLCALLBACK(int) dbgcOpBooleanOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1178 | {
|
---|
1179 | LogFlow(("dbgcOpBooleanOr\n"));
|
---|
1180 | /** @todo force numeric return value? */
|
---|
1181 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, ||, false);
|
---|
1182 | }
|
---|
1183 |
|
---|
1184 |
|
---|
1185 | /**
|
---|
1186 | * Range to operator (binary).
|
---|
1187 | *
|
---|
1188 | * @returns VINF_SUCCESS on success.
|
---|
1189 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1190 | * The caller does the bitching.
|
---|
1191 | * @param pDbgc Debugger console instance data.
|
---|
1192 | * @param pArg1 The first argument.
|
---|
1193 | * @param pArg2 The 2nd argument.
|
---|
1194 | * @param pResult Where to store the result.
|
---|
1195 | */
|
---|
1196 | static DECLCALLBACK(int) dbgcOpRangeLength(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1197 | {
|
---|
1198 | LogFlow(("dbgcOpRangeLength\n"));
|
---|
1199 |
|
---|
1200 | if (pArg1->enmType == DBGCVAR_TYPE_STRING)
|
---|
1201 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1202 |
|
---|
1203 | /*
|
---|
1204 | * Make result. Symbols needs to be resolved.
|
---|
1205 | */
|
---|
1206 | if (pArg1->enmType == DBGCVAR_TYPE_SYMBOL)
|
---|
1207 | {
|
---|
1208 | int rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_ANY, pResult);
|
---|
1209 | if (RT_FAILURE(rc))
|
---|
1210 | return rc;
|
---|
1211 | }
|
---|
1212 | else
|
---|
1213 | *pResult = *pArg1;
|
---|
1214 |
|
---|
1215 | /*
|
---|
1216 | * Convert 2nd argument to element count.
|
---|
1217 | */
|
---|
1218 | pResult->enmRangeType = DBGCVAR_RANGE_ELEMENTS;
|
---|
1219 | switch (pArg2->enmType)
|
---|
1220 | {
|
---|
1221 | case DBGCVAR_TYPE_NUMBER:
|
---|
1222 | pResult->u64Range = pArg2->u.u64Number;
|
---|
1223 | break;
|
---|
1224 |
|
---|
1225 | case DBGCVAR_TYPE_SYMBOL:
|
---|
1226 | {
|
---|
1227 | int rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, pResult);
|
---|
1228 | if (RT_FAILURE(rc))
|
---|
1229 | return rc;
|
---|
1230 | pResult->u64Range = pArg2->u.u64Number;
|
---|
1231 | break;
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | case DBGCVAR_TYPE_STRING:
|
---|
1235 | default:
|
---|
1236 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1237 | }
|
---|
1238 |
|
---|
1239 | return VINF_SUCCESS;
|
---|
1240 | }
|
---|
1241 |
|
---|
1242 |
|
---|
1243 | /**
|
---|
1244 | * Range to operator (binary).
|
---|
1245 | *
|
---|
1246 | * @returns VINF_SUCCESS on success.
|
---|
1247 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1248 | * The caller does the bitching.
|
---|
1249 | * @param pDbgc Debugger console instance data.
|
---|
1250 | * @param pArg1 The first argument.
|
---|
1251 | * @param pArg2 The 2nd argument.
|
---|
1252 | * @param pResult Where to store the result.
|
---|
1253 | */
|
---|
1254 | static DECLCALLBACK(int) dbgcOpRangeLengthBytes(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1255 | {
|
---|
1256 | LogFlow(("dbgcOpRangeLengthBytes\n"));
|
---|
1257 | int rc = dbgcOpRangeLength(pDbgc, pArg1, pArg2, pResult);
|
---|
1258 | if (RT_SUCCESS(rc))
|
---|
1259 | pResult->enmRangeType = DBGCVAR_RANGE_BYTES;
|
---|
1260 | return rc;
|
---|
1261 | }
|
---|
1262 |
|
---|
1263 |
|
---|
1264 | /**
|
---|
1265 | * Range to operator (binary).
|
---|
1266 | *
|
---|
1267 | * @returns VINF_SUCCESS on success.
|
---|
1268 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1269 | * The caller does the bitching.
|
---|
1270 | * @param pDbgc Debugger console instance data.
|
---|
1271 | * @param pArg1 The first argument.
|
---|
1272 | * @param pArg2 The 2nd argument.
|
---|
1273 | * @param pResult Where to store the result.
|
---|
1274 | */
|
---|
1275 | static DECLCALLBACK(int) dbgcOpRangeTo(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1276 | {
|
---|
1277 | LogFlow(("dbgcOpRangeTo\n"));
|
---|
1278 |
|
---|
1279 | /*
|
---|
1280 | * Calc number of bytes between the two args.
|
---|
1281 | */
|
---|
1282 | DBGCVAR Diff;
|
---|
1283 | int rc = dbgcOpSub(pDbgc, pArg2, pArg1, &Diff);
|
---|
1284 | if (RT_FAILURE(rc))
|
---|
1285 | return rc;
|
---|
1286 |
|
---|
1287 | /*
|
---|
1288 | * Use the diff as the range of Arg1.
|
---|
1289 | */
|
---|
1290 | *pResult = *pArg1;
|
---|
1291 | pResult->enmRangeType = DBGCVAR_RANGE_BYTES;
|
---|
1292 | switch (Diff.enmType)
|
---|
1293 | {
|
---|
1294 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
1295 | pResult->u64Range = (RTGCUINTPTR)Diff.u.GCFlat;
|
---|
1296 | break;
|
---|
1297 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
1298 | pResult->u64Range = Diff.u.GCPhys;
|
---|
1299 | break;
|
---|
1300 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
1301 | pResult->u64Range = (uintptr_t)Diff.u.pvHCFlat;
|
---|
1302 | break;
|
---|
1303 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
1304 | pResult->u64Range = Diff.u.HCPhys;
|
---|
1305 | break;
|
---|
1306 | case DBGCVAR_TYPE_NUMBER:
|
---|
1307 | pResult->u64Range = Diff.u.u64Number;
|
---|
1308 | break;
|
---|
1309 |
|
---|
1310 | case DBGCVAR_TYPE_GC_FAR:
|
---|
1311 | case DBGCVAR_TYPE_STRING:
|
---|
1312 | case DBGCVAR_TYPE_SYMBOL:
|
---|
1313 | default:
|
---|
1314 | AssertMsgFailed(("Impossible!\n"));
|
---|
1315 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1316 | }
|
---|
1317 |
|
---|
1318 | return VINF_SUCCESS;
|
---|
1319 | }
|
---|
1320 |
|
---|
1321 |
|
---|
1322 | /**
|
---|
1323 | * Searches for an operator descriptor which matches the start of
|
---|
1324 | * the expression given us.
|
---|
1325 | *
|
---|
1326 | * @returns Pointer to the operator on success.
|
---|
1327 | * @param pDbgc The debug console instance.
|
---|
1328 | * @param pszExpr Pointer to the expression string which might start with an operator.
|
---|
1329 | * @param fPreferBinary Whether to favour binary or unary operators.
|
---|
1330 | * Caller must assert that it's the desired type! Both types will still
|
---|
1331 | * be returned, this is only for resolving duplicates.
|
---|
1332 | * @param chPrev The previous char. Some operators requires a blank in front of it.
|
---|
1333 | */
|
---|
1334 | PCDBGCOP dbgcOperatorLookup(PDBGC pDbgc, const char *pszExpr, bool fPreferBinary, char chPrev)
|
---|
1335 | {
|
---|
1336 | PCDBGCOP pOp = NULL;
|
---|
1337 | for (unsigned iOp = 0; iOp < RT_ELEMENTS(g_aDbgcOps); iOp++)
|
---|
1338 | {
|
---|
1339 | if ( g_aDbgcOps[iOp].szName[0] == pszExpr[0]
|
---|
1340 | && (!g_aDbgcOps[iOp].szName[1] || g_aDbgcOps[iOp].szName[1] == pszExpr[1])
|
---|
1341 | && (!g_aDbgcOps[iOp].szName[2] || g_aDbgcOps[iOp].szName[2] == pszExpr[2]))
|
---|
1342 | {
|
---|
1343 | /*
|
---|
1344 | * Check that we don't mistake it for some other operator which have more chars.
|
---|
1345 | */
|
---|
1346 | unsigned j;
|
---|
1347 | for (j = iOp + 1; j < RT_ELEMENTS(g_aDbgcOps); j++)
|
---|
1348 | if ( g_aDbgcOps[j].cchName > g_aDbgcOps[iOp].cchName
|
---|
1349 | && g_aDbgcOps[j].szName[0] == pszExpr[0]
|
---|
1350 | && (!g_aDbgcOps[j].szName[1] || g_aDbgcOps[j].szName[1] == pszExpr[1])
|
---|
1351 | && (!g_aDbgcOps[j].szName[2] || g_aDbgcOps[j].szName[2] == pszExpr[2]) )
|
---|
1352 | break;
|
---|
1353 | if (j < RT_ELEMENTS(g_aDbgcOps))
|
---|
1354 | continue; /* we'll catch it later. (for theoretical +,++,+++ cases.) */
|
---|
1355 | pOp = &g_aDbgcOps[iOp];
|
---|
1356 |
|
---|
1357 | /*
|
---|
1358 | * Preferred type?
|
---|
1359 | */
|
---|
1360 | if (g_aDbgcOps[iOp].fBinary == fPreferBinary)
|
---|
1361 | break;
|
---|
1362 | }
|
---|
1363 | }
|
---|
1364 |
|
---|
1365 | if (pOp)
|
---|
1366 | Log2(("dbgcOperatorLookup: pOp=%p %s\n", pOp, pOp->szName));
|
---|
1367 | NOREF(pDbgc); NOREF(chPrev);
|
---|
1368 | return pOp;
|
---|
1369 | }
|
---|
1370 |
|
---|