1 | /* $Id: DBGCOps.cpp 96407 2022-08-22 17:43:14Z 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) 2006-2022 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #define LOG_GROUP LOG_GROUP_DBGC
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33 | #include <VBox/dbg.h>
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34 | #include <VBox/vmm/dbgf.h>
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35 | #include <VBox/param.h>
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36 | #include <VBox/err.h>
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37 | #include <VBox/log.h>
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38 |
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39 | #include <iprt/assert.h>
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40 | #include <iprt/mem.h>
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41 | #include <iprt/string.h>
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42 |
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43 | #include "DBGCInternal.h"
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44 |
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45 |
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46 | /*********************************************************************************************************************************
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47 | * Internal Functions *
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48 | *********************************************************************************************************************************/
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49 | static DECLCALLBACK(int) dbgcOpMinus(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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50 | static DECLCALLBACK(int) dbgcOpPluss(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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51 | static DECLCALLBACK(int) dbgcOpBooleanNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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52 | static DECLCALLBACK(int) dbgcOpBitwiseNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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53 | static DECLCALLBACK(int) dbgcOpVar(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult);
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54 |
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55 | static DECLCALLBACK(int) dbgcOpAddrFar(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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56 | static DECLCALLBACK(int) dbgcOpMult(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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57 | static DECLCALLBACK(int) dbgcOpDiv(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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58 | static DECLCALLBACK(int) dbgcOpMod(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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59 | static DECLCALLBACK(int) dbgcOpAdd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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60 | static DECLCALLBACK(int) dbgcOpSub(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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61 | static DECLCALLBACK(int) dbgcOpBitwiseShiftLeft(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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62 | static DECLCALLBACK(int) dbgcOpBitwiseShiftRight(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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63 | static DECLCALLBACK(int) dbgcOpBitwiseAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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64 | static DECLCALLBACK(int) dbgcOpBitwiseXor(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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65 | static DECLCALLBACK(int) dbgcOpBitwiseOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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66 | static DECLCALLBACK(int) dbgcOpBooleanAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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67 | static DECLCALLBACK(int) dbgcOpBooleanOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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68 | static DECLCALLBACK(int) dbgcOpRangeLength(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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69 | static DECLCALLBACK(int) dbgcOpRangeLengthBytes(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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70 | static DECLCALLBACK(int) dbgcOpRangeTo(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult);
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71 |
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72 |
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73 | /*********************************************************************************************************************************
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74 | * Defined Constants And Macros *
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75 | *********************************************************************************************************************************/
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76 | /**
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77 | * Generic implementation of a binary operator.
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78 | *
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79 | * @returns VINF_SUCCESS on success.
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80 | * @returns VBox evaluation / parsing error code on failure.
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81 | * The caller does the bitching.
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82 | * @param pDbgc Debugger console instance data.
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83 | * @param pArg1 The first argument.
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84 | * @param pArg2 The 2nd argument.
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85 | * @param pResult Where to store the result.
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86 | * @param Operator The C operator.
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87 | * @param fIsDiv Set if it's division and we need to check for zero on the
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88 | * right hand side.
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89 | */
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90 | #define DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, Operator, fIsDiv) \
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91 | do \
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92 | { \
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93 | if ((pArg1)->enmType == DBGCVAR_TYPE_STRING) \
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94 | return VERR_DBGC_PARSE_INVALID_OPERATION; \
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95 | \
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96 | /* Get the 64-bit right side value. */ \
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97 | uint64_t u64Right; \
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98 | int rc = dbgcOpHelperGetNumber((pDbgc), (pArg2), &u64Right); \
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99 | if ((fIsDiv) && RT_SUCCESS(rc) && !u64Right) /* div/0 kludge */ \
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100 | DBGCVAR_INIT_NUMBER((pResult), UINT64_MAX); \
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101 | else if (RT_SUCCESS(rc)) \
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102 | { \
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103 | /* Apply it to the left hand side. */ \
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104 | if ((pArg1)->enmType == DBGCVAR_TYPE_SYMBOL) \
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105 | { \
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106 | rc = dbgcSymbolGet((pDbgc), (pArg1)->u.pszString, DBGCVAR_TYPE_ANY, (pResult)); \
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107 | if (RT_FAILURE(rc)) \
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108 | return rc; \
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109 | } \
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110 | else \
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111 | *(pResult) = *(pArg1); \
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112 | switch ((pResult)->enmType) \
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113 | { \
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114 | case DBGCVAR_TYPE_GC_FLAT: \
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115 | (pResult)->u.GCFlat = (pResult)->u.GCFlat Operator u64Right; \
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116 | break; \
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117 | case DBGCVAR_TYPE_GC_FAR: \
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118 | (pResult)->u.GCFar.off = (pResult)->u.GCFar.off Operator u64Right; \
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119 | break; \
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120 | case DBGCVAR_TYPE_GC_PHYS: \
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121 | (pResult)->u.GCPhys = (pResult)->u.GCPhys Operator u64Right; \
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122 | break; \
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123 | case DBGCVAR_TYPE_HC_FLAT: \
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124 | (pResult)->u.pvHCFlat = (void *)((uintptr_t)(pResult)->u.pvHCFlat Operator u64Right); \
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125 | break; \
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126 | case DBGCVAR_TYPE_HC_PHYS: \
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127 | (pResult)->u.HCPhys = (pResult)->u.HCPhys Operator u64Right; \
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128 | break; \
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129 | case DBGCVAR_TYPE_NUMBER: \
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130 | (pResult)->u.u64Number = (pResult)->u.u64Number Operator u64Right; \
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131 | break; \
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132 | default: \
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133 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; \
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134 | } \
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135 | } \
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136 | return rc; \
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137 | } while (0)
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138 |
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139 |
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140 | /**
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141 | * Switch the factors/whatever so we preserve pointers.
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142 | * Far pointers are considered more important that physical and flat pointers.
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143 | *
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144 | * @param pArg1 The left side argument. Input & output.
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145 | * @param pArg2 The right side argument. Input & output.
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146 | */
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147 | #define DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2) \
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148 | do \
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149 | { \
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150 | if ( DBGCVAR_ISPOINTER((pArg2)->enmType) \
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151 | && ( !DBGCVAR_ISPOINTER((pArg1)->enmType) \
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152 | || ( DBGCVAR_IS_FAR_PTR((pArg2)->enmType) \
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153 | && !DBGCVAR_IS_FAR_PTR((pArg1)->enmType)))) \
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154 | { \
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155 | PCDBGCVAR pTmp = (pArg1); \
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156 | (pArg2) = (pArg1); \
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157 | (pArg1) = pTmp; \
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158 | } \
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159 | } while (0)
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160 |
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161 |
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162 | /*********************************************************************************************************************************
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163 | * Global Variables *
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164 | *********************************************************************************************************************************/
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165 | /** Operators. */
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166 | const DBGCOP g_aDbgcOps[] =
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167 | {
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168 | /* szName is initialized as a 4 char array because of M$C elsewise optimizing it away in /Ox mode (the 'const char' vs 'char' problem). */
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169 | /* szName, cchName, fBinary, iPrecedence, pfnHandlerUnary, pfnHandlerBitwise */
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170 | { {'-'}, 1, false, 1, dbgcOpMinus, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Unary minus." },
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171 | { {'+'}, 1, false, 1, dbgcOpPluss, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Unary plus." },
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172 | { {'!'}, 1, false, 1, dbgcOpBooleanNot, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Boolean not." },
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173 | { {'~'}, 1, false, 1, dbgcOpBitwiseNot, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise complement." },
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174 | { {':'}, 1, true, 2, NULL, dbgcOpAddrFar, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Far pointer." },
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175 | { {'%'}, 1, false, 3, dbgcOpAddrFlat, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Flat address." },
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176 | { {'%','%'}, 2, false, 3, dbgcOpAddrPhys, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Physical address." },
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177 | { {'#'}, 1, false, 3, dbgcOpAddrHost, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Flat host address." },
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178 | { {'#','%','%'}, 3, false, 3, dbgcOpAddrHostPhys, NULL, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Physical host address." },
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179 | { {'$'}, 1, false, 3, dbgcOpVar, NULL, DBGCVAR_CAT_SYMBOL, DBGCVAR_CAT_ANY, "Reference a variable." },
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180 | { {'@'}, 1, false, 3, dbgcOpRegister, NULL, DBGCVAR_CAT_SYMBOL, DBGCVAR_CAT_ANY, "Reference a register." },
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181 | { {'*'}, 1, true, 10, NULL, dbgcOpMult, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Multiplication." },
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182 | { {'/'}, 1, true, 11, NULL, dbgcOpDiv, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Division." },
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183 | { {'m','o','d'}, 3, true, 12, NULL, dbgcOpMod, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Modulus." },
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184 | { {'+'}, 1, true, 13, NULL, dbgcOpAdd, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Addition." },
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185 | { {'-'}, 1, true, 14, NULL, dbgcOpSub, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Subtraction." },
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186 | { {'<','<'}, 2, true, 15, NULL, dbgcOpBitwiseShiftLeft, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise left shift." },
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187 | { {'>','>'}, 2, true, 16, NULL, dbgcOpBitwiseShiftRight, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise right shift." },
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188 | { {'&'}, 1, true, 17, NULL, dbgcOpBitwiseAnd, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise and." },
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189 | { {'^'}, 1, true, 18, NULL, dbgcOpBitwiseXor, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise exclusiv or." },
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190 | { {'|'}, 1, true, 19, NULL, dbgcOpBitwiseOr, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Bitwise inclusive or." },
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191 | { {'&','&'}, 2, true, 20, NULL, dbgcOpBooleanAnd, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Boolean and." },
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192 | { {'|','|'}, 2, true, 21, NULL, dbgcOpBooleanOr, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Boolean or." },
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193 | { {'L'}, 1, true, 22, NULL, dbgcOpRangeLength, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Range elements." },
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194 | { {'L','B'}, 2, true, 23, NULL, dbgcOpRangeLengthBytes, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Range bytes." },
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195 | { {'T'}, 1, true, 24, NULL, dbgcOpRangeTo, DBGCVAR_CAT_ANY, DBGCVAR_CAT_ANY, "Range to." }
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196 | };
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197 |
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198 | /** Number of operators in the operator array. */
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199 | const uint32_t g_cDbgcOps = RT_ELEMENTS(g_aDbgcOps);
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200 |
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201 |
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202 | /**
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203 | * Converts an argument to a number value.
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204 | *
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205 | * @returns VBox status code.
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206 | * @param pDbgc The DBGC instance.
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207 | * @param pArg The argument to convert.
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208 | * @param pu64Ret Where to return the value.
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209 | */
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210 | static int dbgcOpHelperGetNumber(PDBGC pDbgc, PCDBGCVAR pArg, uint64_t *pu64Ret)
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211 | {
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212 | DBGCVAR Var = *pArg;
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213 | switch (Var.enmType)
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214 | {
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215 | case DBGCVAR_TYPE_GC_FLAT:
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216 | *pu64Ret = Var.u.GCFlat;
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217 | break;
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218 | case DBGCVAR_TYPE_GC_FAR:
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219 | *pu64Ret = Var.u.GCFar.off;
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220 | break;
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221 | case DBGCVAR_TYPE_GC_PHYS:
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222 | *pu64Ret = Var.u.GCPhys;
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223 | break;
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224 | case DBGCVAR_TYPE_HC_FLAT:
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225 | *pu64Ret = (uintptr_t)Var.u.pvHCFlat;
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226 | break;
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227 | case DBGCVAR_TYPE_HC_PHYS:
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228 | *pu64Ret = Var.u.HCPhys;
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229 | break;
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230 | case DBGCVAR_TYPE_NUMBER:
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231 | *pu64Ret = Var.u.u64Number;
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232 | break;
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233 | case DBGCVAR_TYPE_SYMBOL:
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234 | {
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235 | int rc = dbgcSymbolGet(pDbgc, Var.u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
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236 | if (RT_FAILURE(rc))
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237 | return rc;
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238 | }
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239 | RT_FALL_THRU();
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240 | case DBGCVAR_TYPE_STRING:
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241 | default:
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242 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
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243 | }
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244 | return VINF_SUCCESS;
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245 | }
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246 |
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247 |
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248 | /**
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249 | * @callback_method_impl{FNDBGCOPUNARY, Negate (unary).}
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250 | */
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251 | static DECLCALLBACK(int) dbgcOpMinus(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
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252 | {
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253 | RT_NOREF1(enmCat);
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254 | LogFlow(("dbgcOpMinus\n"));
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255 | *pResult = *pArg;
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256 | switch (pArg->enmType)
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257 | {
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258 | case DBGCVAR_TYPE_GC_FLAT:
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259 | pResult->u.GCFlat = -(RTGCINTPTR)pResult->u.GCFlat;
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260 | break;
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261 | case DBGCVAR_TYPE_GC_FAR:
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262 | pResult->u.GCFar.off = -(int32_t)pResult->u.GCFar.off;
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263 | break;
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264 | case DBGCVAR_TYPE_GC_PHYS:
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265 | pResult->u.GCPhys = (RTGCPHYS) -(int64_t)pResult->u.GCPhys;
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266 | break;
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267 | case DBGCVAR_TYPE_HC_FLAT:
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268 | pResult->u.pvHCFlat = (void *) -(intptr_t)pResult->u.pvHCFlat;
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269 | break;
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270 | case DBGCVAR_TYPE_HC_PHYS:
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271 | pResult->u.HCPhys = (RTHCPHYS) -(int64_t)pResult->u.HCPhys;
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272 | break;
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273 | case DBGCVAR_TYPE_NUMBER:
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274 | pResult->u.u64Number = -(int64_t)pResult->u.u64Number;
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275 | break;
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276 |
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277 | case DBGCVAR_TYPE_STRING:
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278 | case DBGCVAR_TYPE_SYMBOL:
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279 | default:
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280 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
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281 | }
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282 | NOREF(pDbgc);
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283 | return VINF_SUCCESS;
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284 | }
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285 |
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286 |
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287 | /**
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288 | * @callback_method_impl{FNDBGCOPUNARY, Plus (unary).}
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289 | */
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290 | static DECLCALLBACK(int) dbgcOpPluss(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
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291 | {
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292 | RT_NOREF1(enmCat);
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293 | LogFlow(("dbgcOpPluss\n"));
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294 | *pResult = *pArg;
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295 | switch (pArg->enmType)
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296 | {
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297 | case DBGCVAR_TYPE_GC_FLAT:
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298 | case DBGCVAR_TYPE_GC_FAR:
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299 | case DBGCVAR_TYPE_GC_PHYS:
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300 | case DBGCVAR_TYPE_HC_FLAT:
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301 | case DBGCVAR_TYPE_HC_PHYS:
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302 | case DBGCVAR_TYPE_NUMBER:
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303 | break;
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304 |
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305 | case DBGCVAR_TYPE_STRING:
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306 | case DBGCVAR_TYPE_SYMBOL:
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307 | default:
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308 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
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309 | }
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310 | NOREF(pDbgc);
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311 | return VINF_SUCCESS;
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312 | }
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313 |
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314 |
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315 | /**
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316 | * @callback_method_impl{FNDBGCOPUNARY, Boolean not (unary).}
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317 | */
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318 | static DECLCALLBACK(int) dbgcOpBooleanNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
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319 | {
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320 | RT_NOREF1(enmCat);
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321 | LogFlow(("dbgcOpBooleanNot\n"));
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322 | *pResult = *pArg;
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323 | switch (pArg->enmType)
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324 | {
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325 | case DBGCVAR_TYPE_GC_FLAT:
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326 | pResult->u.u64Number = !pResult->u.GCFlat;
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327 | break;
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328 | case DBGCVAR_TYPE_GC_FAR:
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329 | pResult->u.u64Number = !pResult->u.GCFar.off && pResult->u.GCFar.sel <= 3;
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330 | break;
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331 | case DBGCVAR_TYPE_GC_PHYS:
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332 | pResult->u.u64Number = !pResult->u.GCPhys;
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333 | break;
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334 | case DBGCVAR_TYPE_HC_FLAT:
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335 | pResult->u.u64Number = !pResult->u.pvHCFlat;
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336 | break;
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337 | case DBGCVAR_TYPE_HC_PHYS:
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338 | pResult->u.u64Number = !pResult->u.HCPhys;
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339 | break;
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340 | case DBGCVAR_TYPE_NUMBER:
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341 | pResult->u.u64Number = !pResult->u.u64Number;
|
---|
342 | break;
|
---|
343 | case DBGCVAR_TYPE_STRING:
|
---|
344 | case DBGCVAR_TYPE_SYMBOL:
|
---|
345 | pResult->u.u64Number = !pResult->u64Range;
|
---|
346 | break;
|
---|
347 |
|
---|
348 | case DBGCVAR_TYPE_UNKNOWN:
|
---|
349 | default:
|
---|
350 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
351 | }
|
---|
352 | pResult->enmType = DBGCVAR_TYPE_NUMBER;
|
---|
353 | NOREF(pDbgc);
|
---|
354 | return VINF_SUCCESS;
|
---|
355 | }
|
---|
356 |
|
---|
357 |
|
---|
358 | /**
|
---|
359 | * @callback_method_impl{FNDBGCOPUNARY, Bitwise not (unary).}
|
---|
360 | */
|
---|
361 | static DECLCALLBACK(int) dbgcOpBitwiseNot(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
362 | {
|
---|
363 | RT_NOREF1(enmCat);
|
---|
364 | LogFlow(("dbgcOpBitwiseNot\n"));
|
---|
365 | *pResult = *pArg;
|
---|
366 | switch (pArg->enmType)
|
---|
367 | {
|
---|
368 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
369 | pResult->u.GCFlat = ~pResult->u.GCFlat;
|
---|
370 | break;
|
---|
371 | case DBGCVAR_TYPE_GC_FAR:
|
---|
372 | pResult->u.GCFar.off = ~pResult->u.GCFar.off;
|
---|
373 | break;
|
---|
374 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
375 | pResult->u.GCPhys = ~pResult->u.GCPhys;
|
---|
376 | break;
|
---|
377 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
378 | pResult->u.pvHCFlat = (void *)~(uintptr_t)pResult->u.pvHCFlat;
|
---|
379 | break;
|
---|
380 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
381 | pResult->u.HCPhys = ~pResult->u.HCPhys;
|
---|
382 | break;
|
---|
383 | case DBGCVAR_TYPE_NUMBER:
|
---|
384 | pResult->u.u64Number = ~pResult->u.u64Number;
|
---|
385 | break;
|
---|
386 |
|
---|
387 | case DBGCVAR_TYPE_STRING:
|
---|
388 | case DBGCVAR_TYPE_SYMBOL:
|
---|
389 | default:
|
---|
390 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
391 | }
|
---|
392 | NOREF(pDbgc);
|
---|
393 | return VINF_SUCCESS;
|
---|
394 | }
|
---|
395 |
|
---|
396 |
|
---|
397 | /**
|
---|
398 | * @callback_method_impl{FNDBGCOPUNARY, Reference variable (unary).}
|
---|
399 | */
|
---|
400 | static DECLCALLBACK(int) dbgcOpVar(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
401 | {
|
---|
402 | RT_NOREF1(enmCat);
|
---|
403 | LogFlow(("dbgcOpVar: %s\n", pArg->u.pszString));
|
---|
404 | AssertReturn(pArg->enmType == DBGCVAR_TYPE_SYMBOL, VERR_DBGC_PARSE_BUG);
|
---|
405 |
|
---|
406 | /*
|
---|
407 | * Lookup the variable.
|
---|
408 | */
|
---|
409 | const char *pszVar = pArg->u.pszString;
|
---|
410 | for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
|
---|
411 | {
|
---|
412 | if (!strcmp(pszVar, pDbgc->papVars[iVar]->szName))
|
---|
413 | {
|
---|
414 | *pResult = pDbgc->papVars[iVar]->Var;
|
---|
415 | return VINF_SUCCESS;
|
---|
416 | }
|
---|
417 | }
|
---|
418 |
|
---|
419 | return VERR_DBGC_PARSE_VARIABLE_NOT_FOUND;
|
---|
420 | }
|
---|
421 |
|
---|
422 |
|
---|
423 | /**
|
---|
424 | * @callback_method_impl{FNDBGCOPUNARY, Reference register (unary).}
|
---|
425 | */
|
---|
426 | DECLCALLBACK(int) dbgcOpRegister(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
427 | {
|
---|
428 | LogFlow(("dbgcOpRegister: %s\n", pArg->u.pszString));
|
---|
429 | AssertReturn(pArg->enmType == DBGCVAR_TYPE_SYMBOL, VERR_DBGC_PARSE_BUG);
|
---|
430 |
|
---|
431 | /* Detect references to hypervisor registers. */
|
---|
432 | const char *pszReg = pArg->u.pszString;
|
---|
433 | VMCPUID idCpu = pDbgc->idCpu;
|
---|
434 | if (pszReg[0] == '.')
|
---|
435 | {
|
---|
436 | pszReg++;
|
---|
437 | idCpu |= DBGFREG_HYPER_VMCPUID;
|
---|
438 | }
|
---|
439 |
|
---|
440 | /*
|
---|
441 | * If the desired result is a symbol, pass the argument along unmodified.
|
---|
442 | * This is a great help for "r @eax" and such, since it will be translated to "r eax".
|
---|
443 | */
|
---|
444 | if (enmCat == DBGCVAR_CAT_SYMBOL)
|
---|
445 | {
|
---|
446 | int rc = DBGFR3RegNmValidate(pDbgc->pUVM, idCpu, pszReg);
|
---|
447 | if (RT_SUCCESS(rc))
|
---|
448 | DBGCVAR_INIT_STRING(pResult, pArg->u.pszString);
|
---|
449 | return rc;
|
---|
450 | }
|
---|
451 |
|
---|
452 | /*
|
---|
453 | * Get the register.
|
---|
454 | */
|
---|
455 | DBGFREGVALTYPE enmType;
|
---|
456 | DBGFREGVAL Value;
|
---|
457 | int rc = DBGFR3RegNmQuery(pDbgc->pUVM, idCpu, pszReg, &Value, &enmType);
|
---|
458 | if (RT_SUCCESS(rc))
|
---|
459 | {
|
---|
460 | switch (enmType)
|
---|
461 | {
|
---|
462 | case DBGFREGVALTYPE_U8:
|
---|
463 | DBGCVAR_INIT_NUMBER(pResult, Value.u8);
|
---|
464 | return VINF_SUCCESS;
|
---|
465 |
|
---|
466 | case DBGFREGVALTYPE_U16:
|
---|
467 | DBGCVAR_INIT_NUMBER(pResult, Value.u16);
|
---|
468 | return VINF_SUCCESS;
|
---|
469 |
|
---|
470 | case DBGFREGVALTYPE_U32:
|
---|
471 | DBGCVAR_INIT_NUMBER(pResult, Value.u32);
|
---|
472 | return VINF_SUCCESS;
|
---|
473 |
|
---|
474 | case DBGFREGVALTYPE_U64:
|
---|
475 | DBGCVAR_INIT_NUMBER(pResult, Value.u64);
|
---|
476 | return VINF_SUCCESS;
|
---|
477 |
|
---|
478 | case DBGFREGVALTYPE_U128:
|
---|
479 | DBGCVAR_INIT_NUMBER(pResult, Value.u128.s.Lo);
|
---|
480 | return VINF_SUCCESS;
|
---|
481 |
|
---|
482 | case DBGFREGVALTYPE_U256:
|
---|
483 | DBGCVAR_INIT_NUMBER(pResult, Value.u256.QWords.qw0);
|
---|
484 | return VINF_SUCCESS;
|
---|
485 |
|
---|
486 | case DBGFREGVALTYPE_U512:
|
---|
487 | DBGCVAR_INIT_NUMBER(pResult, Value.u512.QWords.qw0);
|
---|
488 | return VINF_SUCCESS;
|
---|
489 |
|
---|
490 | case DBGFREGVALTYPE_R80:
|
---|
491 | #ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
|
---|
492 | DBGCVAR_INIT_NUMBER(pResult, (uint64_t)Value.r80Ex.lrd);
|
---|
493 | #else
|
---|
494 | DBGCVAR_INIT_NUMBER(pResult, (uint64_t)Value.r80Ex.sj64.uFraction);
|
---|
495 | #endif
|
---|
496 | return VINF_SUCCESS;
|
---|
497 |
|
---|
498 | case DBGFREGVALTYPE_DTR:
|
---|
499 | DBGCVAR_INIT_NUMBER(pResult, Value.dtr.u64Base);
|
---|
500 | return VINF_SUCCESS;
|
---|
501 |
|
---|
502 | case DBGFREGVALTYPE_INVALID:
|
---|
503 | case DBGFREGVALTYPE_END:
|
---|
504 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
505 | break;
|
---|
506 | }
|
---|
507 | rc = VERR_INTERNAL_ERROR_5;
|
---|
508 | }
|
---|
509 | return rc;
|
---|
510 | }
|
---|
511 |
|
---|
512 |
|
---|
513 | /**
|
---|
514 | * @callback_method_impl{FNDBGCOPUNARY, Flat address (unary).}
|
---|
515 | */
|
---|
516 | DECLCALLBACK(int) dbgcOpAddrFlat(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
517 | {
|
---|
518 | RT_NOREF1(enmCat);
|
---|
519 | LogFlow(("dbgcOpAddrFlat\n"));
|
---|
520 | DBGCVARTYPE enmType = DBGCVAR_ISHCPOINTER(pArg->enmType) ? DBGCVAR_TYPE_HC_FLAT : DBGCVAR_TYPE_GC_FLAT;
|
---|
521 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, enmType, true /*fConvSyms*/, pResult);
|
---|
522 | }
|
---|
523 |
|
---|
524 |
|
---|
525 | /**
|
---|
526 | * @callback_method_impl{FNDBGCOPUNARY, Physical address (unary).}
|
---|
527 | */
|
---|
528 | DECLCALLBACK(int) dbgcOpAddrPhys(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
529 | {
|
---|
530 | RT_NOREF1(enmCat);
|
---|
531 | LogFlow(("dbgcOpAddrPhys\n"));
|
---|
532 | DBGCVARTYPE enmType = DBGCVAR_ISHCPOINTER(pArg->enmType) ? DBGCVAR_TYPE_HC_PHYS : DBGCVAR_TYPE_GC_PHYS;
|
---|
533 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, enmType, true /*fConvSyms*/, pResult);
|
---|
534 | }
|
---|
535 |
|
---|
536 |
|
---|
537 | /**
|
---|
538 | * @callback_method_impl{FNDBGCOPUNARY, Physical host address (unary).}
|
---|
539 | */
|
---|
540 | DECLCALLBACK(int) dbgcOpAddrHostPhys(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
541 | {
|
---|
542 | RT_NOREF1(enmCat);
|
---|
543 | LogFlow(("dbgcOpAddrPhys\n"));
|
---|
544 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, DBGCVAR_TYPE_HC_PHYS, true /*fConvSyms*/, pResult);
|
---|
545 | }
|
---|
546 |
|
---|
547 |
|
---|
548 | /**
|
---|
549 | * @callback_method_impl{FNDBGCOPUNARY, Host address (unary).}
|
---|
550 | */
|
---|
551 | DECLCALLBACK(int) dbgcOpAddrHost(PDBGC pDbgc, PCDBGCVAR pArg, DBGCVARCAT enmCat, PDBGCVAR pResult)
|
---|
552 | {
|
---|
553 | RT_NOREF1(enmCat);
|
---|
554 | LogFlow(("dbgcOpAddrHost\n"));
|
---|
555 | return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pArg, DBGCVAR_TYPE_HC_FLAT, true /*fConvSyms*/, pResult);
|
---|
556 | }
|
---|
557 |
|
---|
558 |
|
---|
559 | /**
|
---|
560 | * @callback_method_impl{FNDBGCOPUNARY, Far address (unary).}
|
---|
561 | */
|
---|
562 | static DECLCALLBACK(int) dbgcOpAddrFar(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
563 | {
|
---|
564 | LogFlow(("dbgcOpAddrFar\n"));
|
---|
565 | int rc;
|
---|
566 |
|
---|
567 | switch (pArg1->enmType)
|
---|
568 | {
|
---|
569 | case DBGCVAR_TYPE_SYMBOL:
|
---|
570 | rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_NUMBER, pResult);
|
---|
571 | if (RT_FAILURE(rc))
|
---|
572 | return rc;
|
---|
573 | break;
|
---|
574 | case DBGCVAR_TYPE_NUMBER:
|
---|
575 | *pResult = *pArg1;
|
---|
576 | break;
|
---|
577 | default:
|
---|
578 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
579 | }
|
---|
580 | pResult->u.GCFar.sel = (RTSEL)pResult->u.u64Number;
|
---|
581 |
|
---|
582 | /* common code for the two types we support. */
|
---|
583 | switch (pArg2->enmType)
|
---|
584 | {
|
---|
585 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
586 | pResult->u.GCFar.off = pArg2->u.GCFlat;
|
---|
587 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
588 | break;
|
---|
589 |
|
---|
590 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
591 | pResult->u.pvHCFlat = (void *)(uintptr_t)pArg2->u.GCFlat;
|
---|
592 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
593 | break;
|
---|
594 |
|
---|
595 | case DBGCVAR_TYPE_NUMBER:
|
---|
596 | pResult->u.GCFar.off = (RTGCPTR)pArg2->u.u64Number;
|
---|
597 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
598 | break;
|
---|
599 |
|
---|
600 | case DBGCVAR_TYPE_SYMBOL:
|
---|
601 | {
|
---|
602 | DBGCVAR Var;
|
---|
603 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
|
---|
604 | if (RT_FAILURE(rc))
|
---|
605 | return rc;
|
---|
606 | pResult->u.GCFar.off = (RTGCPTR)Var.u.u64Number;
|
---|
607 | pResult->enmType = DBGCVAR_TYPE_GC_FAR;
|
---|
608 | break;
|
---|
609 | }
|
---|
610 |
|
---|
611 | default:
|
---|
612 | return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
|
---|
613 | }
|
---|
614 | return VINF_SUCCESS;
|
---|
615 |
|
---|
616 | }
|
---|
617 |
|
---|
618 |
|
---|
619 | /**
|
---|
620 | * Multiplication operator (binary).
|
---|
621 | *
|
---|
622 | * @returns VINF_SUCCESS on success.
|
---|
623 | * @returns VBox evaluation / parsing error code on failure.
|
---|
624 | * The caller does the bitching.
|
---|
625 | * @param pDbgc Debugger console instance data.
|
---|
626 | * @param pArg1 The first argument.
|
---|
627 | * @param pArg2 The 2nd argument.
|
---|
628 | * @param pResult Where to store the result.
|
---|
629 | */
|
---|
630 | static DECLCALLBACK(int) dbgcOpMult(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
631 | {
|
---|
632 | LogFlow(("dbgcOpMult\n"));
|
---|
633 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
634 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, *, false);
|
---|
635 | }
|
---|
636 |
|
---|
637 |
|
---|
638 | /**
|
---|
639 | * Division operator (binary).
|
---|
640 | *
|
---|
641 | * @returns VINF_SUCCESS on success.
|
---|
642 | * @returns VBox evaluation / parsing error code on failure.
|
---|
643 | * The caller does the bitching.
|
---|
644 | * @param pDbgc Debugger console instance data.
|
---|
645 | * @param pArg1 The first argument.
|
---|
646 | * @param pArg2 The 2nd argument.
|
---|
647 | * @param pResult Where to store the result.
|
---|
648 | */
|
---|
649 | static DECLCALLBACK(int) dbgcOpDiv(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
650 | {
|
---|
651 | LogFlow(("dbgcOpDiv\n"));
|
---|
652 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, /, true);
|
---|
653 | }
|
---|
654 |
|
---|
655 |
|
---|
656 | /**
|
---|
657 | * Modulus operator (binary).
|
---|
658 | *
|
---|
659 | * @returns VINF_SUCCESS on success.
|
---|
660 | * @returns VBox evaluation / parsing error code on failure.
|
---|
661 | * The caller does the bitching.
|
---|
662 | * @param pDbgc Debugger console instance data.
|
---|
663 | * @param pArg1 The first argument.
|
---|
664 | * @param pArg2 The 2nd argument.
|
---|
665 | * @param pResult Where to store the result.
|
---|
666 | */
|
---|
667 | static DECLCALLBACK(int) dbgcOpMod(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
668 | {
|
---|
669 | LogFlow(("dbgcOpMod\n"));
|
---|
670 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, %, false);
|
---|
671 | }
|
---|
672 |
|
---|
673 |
|
---|
674 | /**
|
---|
675 | * Addition operator (binary).
|
---|
676 | *
|
---|
677 | * @returns VINF_SUCCESS on success.
|
---|
678 | * @returns VBox evaluation / parsing error code on failure.
|
---|
679 | * The caller does the bitching.
|
---|
680 | * @param pDbgc Debugger console instance data.
|
---|
681 | * @param pArg1 The first argument.
|
---|
682 | * @param pArg2 The 2nd argument.
|
---|
683 | * @param pResult Where to store the result.
|
---|
684 | */
|
---|
685 | static DECLCALLBACK(int) dbgcOpAdd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
686 | {
|
---|
687 | LogFlow(("dbgcOpAdd\n"));
|
---|
688 |
|
---|
689 | /*
|
---|
690 | * An addition operation will return (when possible) the left side type in the
|
---|
691 | * expression. We make an omission for numbers, where we'll take the right side
|
---|
692 | * type instead. An expression where only the left hand side is a symbol we'll
|
---|
693 | * use the right hand type to try resolve it.
|
---|
694 | */
|
---|
695 | if ( pArg1->enmType == DBGCVAR_TYPE_STRING
|
---|
696 | || pArg2->enmType == DBGCVAR_TYPE_STRING)
|
---|
697 | return VERR_DBGC_PARSE_INVALID_OPERATION; /** @todo string contactenation later. */
|
---|
698 |
|
---|
699 | if ( (pArg1->enmType == DBGCVAR_TYPE_NUMBER && pArg2->enmType != DBGCVAR_TYPE_SYMBOL)
|
---|
700 | || (pArg1->enmType == DBGCVAR_TYPE_SYMBOL && pArg2->enmType != DBGCVAR_TYPE_SYMBOL))
|
---|
701 | {
|
---|
702 | PCDBGCVAR pTmp = pArg2;
|
---|
703 | pArg2 = pArg1;
|
---|
704 | pArg1 = pTmp;
|
---|
705 | }
|
---|
706 |
|
---|
707 | DBGCVAR Sym1, Sym2;
|
---|
708 | if (pArg1->enmType == DBGCVAR_TYPE_SYMBOL)
|
---|
709 | {
|
---|
710 | int rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_ANY, &Sym1);
|
---|
711 | if (RT_FAILURE(rc))
|
---|
712 | return rc;
|
---|
713 | pArg1 = &Sym1;
|
---|
714 |
|
---|
715 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_ANY, &Sym2);
|
---|
716 | if (RT_FAILURE(rc))
|
---|
717 | return rc;
|
---|
718 | pArg2 = &Sym2;
|
---|
719 | }
|
---|
720 |
|
---|
721 | int rc;
|
---|
722 | DBGCVAR Var;
|
---|
723 | DBGCVAR Var2;
|
---|
724 | switch (pArg1->enmType)
|
---|
725 | {
|
---|
726 | /*
|
---|
727 | * GC Flat
|
---|
728 | */
|
---|
729 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
730 | switch (pArg2->enmType)
|
---|
731 | {
|
---|
732 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
733 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
734 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
735 | default:
|
---|
736 | *pResult = *pArg1;
|
---|
737 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
738 | if (RT_FAILURE(rc))
|
---|
739 | return rc;
|
---|
740 | pResult->u.GCFlat += pArg2->u.GCFlat;
|
---|
741 | break;
|
---|
742 | }
|
---|
743 | break;
|
---|
744 |
|
---|
745 | /*
|
---|
746 | * GC Far
|
---|
747 | */
|
---|
748 | case DBGCVAR_TYPE_GC_FAR:
|
---|
749 | switch (pArg2->enmType)
|
---|
750 | {
|
---|
751 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
752 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
753 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
754 | case DBGCVAR_TYPE_NUMBER:
|
---|
755 | *pResult = *pArg1;
|
---|
756 | pResult->u.GCFar.off += (RTGCPTR)pArg2->u.u64Number;
|
---|
757 | break;
|
---|
758 | default:
|
---|
759 | rc = dbgcOpAddrFlat(pDbgc, pArg1, DBGCVAR_CAT_ANY, pResult);
|
---|
760 | if (RT_FAILURE(rc))
|
---|
761 | return rc;
|
---|
762 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
763 | if (RT_FAILURE(rc))
|
---|
764 | return rc;
|
---|
765 | pResult->u.GCFlat += pArg2->u.GCFlat;
|
---|
766 | break;
|
---|
767 | }
|
---|
768 | break;
|
---|
769 |
|
---|
770 | /*
|
---|
771 | * GC Phys
|
---|
772 | */
|
---|
773 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
774 | switch (pArg2->enmType)
|
---|
775 | {
|
---|
776 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
777 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
778 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
779 | default:
|
---|
780 | *pResult = *pArg1;
|
---|
781 | rc = dbgcOpAddrPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
782 | if (RT_FAILURE(rc))
|
---|
783 | return rc;
|
---|
784 | if (Var.enmType != DBGCVAR_TYPE_GC_PHYS)
|
---|
785 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
786 | pResult->u.GCPhys += Var.u.GCPhys;
|
---|
787 | break;
|
---|
788 | }
|
---|
789 | break;
|
---|
790 |
|
---|
791 | /*
|
---|
792 | * HC Flat
|
---|
793 | */
|
---|
794 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
795 | *pResult = *pArg1;
|
---|
796 | rc = dbgcOpAddrHost(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var2);
|
---|
797 | if (RT_FAILURE(rc))
|
---|
798 | return rc;
|
---|
799 | rc = dbgcOpAddrFlat(pDbgc, &Var2, DBGCVAR_CAT_ANY, &Var);
|
---|
800 | if (RT_FAILURE(rc))
|
---|
801 | return rc;
|
---|
802 | pResult->u.pvHCFlat = (char *)pResult->u.pvHCFlat + (uintptr_t)Var.u.pvHCFlat;
|
---|
803 | break;
|
---|
804 |
|
---|
805 | /*
|
---|
806 | * HC Phys
|
---|
807 | */
|
---|
808 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
809 | *pResult = *pArg1;
|
---|
810 | rc = dbgcOpAddrHostPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
811 | if (RT_FAILURE(rc))
|
---|
812 | return rc;
|
---|
813 | pResult->u.HCPhys += Var.u.HCPhys;
|
---|
814 | break;
|
---|
815 |
|
---|
816 | /*
|
---|
817 | * Numbers (see start of function)
|
---|
818 | */
|
---|
819 | case DBGCVAR_TYPE_NUMBER:
|
---|
820 | *pResult = *pArg1;
|
---|
821 | switch (pArg2->enmType)
|
---|
822 | {
|
---|
823 | case DBGCVAR_TYPE_SYMBOL:
|
---|
824 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
|
---|
825 | if (RT_FAILURE(rc))
|
---|
826 | return rc;
|
---|
827 | RT_FALL_THRU();
|
---|
828 | case DBGCVAR_TYPE_NUMBER:
|
---|
829 | pResult->u.u64Number += pArg2->u.u64Number;
|
---|
830 | break;
|
---|
831 | default:
|
---|
832 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
833 | }
|
---|
834 | break;
|
---|
835 |
|
---|
836 | default:
|
---|
837 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
838 |
|
---|
839 | }
|
---|
840 | return VINF_SUCCESS;
|
---|
841 | }
|
---|
842 |
|
---|
843 |
|
---|
844 | /**
|
---|
845 | * Subtraction operator (binary).
|
---|
846 | *
|
---|
847 | * @returns VINF_SUCCESS on success.
|
---|
848 | * @returns VBox evaluation / parsing error code on failure.
|
---|
849 | * The caller does the bitching.
|
---|
850 | * @param pDbgc Debugger console instance data.
|
---|
851 | * @param pArg1 The first argument.
|
---|
852 | * @param pArg2 The 2nd argument.
|
---|
853 | * @param pResult Where to store the result.
|
---|
854 | */
|
---|
855 | static DECLCALLBACK(int) dbgcOpSub(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
856 | {
|
---|
857 | LogFlow(("dbgcOpSub\n"));
|
---|
858 |
|
---|
859 | /*
|
---|
860 | * An subtraction operation will return the left side type in the expression.
|
---|
861 | * However, if the left hand side is a number and the right hand a pointer of
|
---|
862 | * some kind we'll convert the left hand side to the same type as the right hand.
|
---|
863 | * Any symbols will be resolved, strings will be rejected.
|
---|
864 | */
|
---|
865 | DBGCVAR Sym1, Sym2;
|
---|
866 | if ( pArg2->enmType == DBGCVAR_TYPE_SYMBOL
|
---|
867 | && ( pArg1->enmType == DBGCVAR_TYPE_NUMBER
|
---|
868 | || pArg1->enmType == DBGCVAR_TYPE_SYMBOL))
|
---|
869 | {
|
---|
870 | int rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_ANY, &Sym2);
|
---|
871 | if (RT_FAILURE(rc))
|
---|
872 | return rc;
|
---|
873 | pArg2 = &Sym2;
|
---|
874 | }
|
---|
875 |
|
---|
876 | if ( pArg1->enmType == DBGCVAR_TYPE_STRING
|
---|
877 | || pArg2->enmType == DBGCVAR_TYPE_STRING)
|
---|
878 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
879 |
|
---|
880 | if (pArg1->enmType == DBGCVAR_TYPE_SYMBOL)
|
---|
881 | {
|
---|
882 | DBGCVARTYPE enmType;
|
---|
883 | switch (pArg2->enmType)
|
---|
884 | {
|
---|
885 | case DBGCVAR_TYPE_NUMBER:
|
---|
886 | enmType = DBGCVAR_TYPE_ANY;
|
---|
887 | break;
|
---|
888 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
889 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
890 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
891 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
892 | enmType = pArg2->enmType;
|
---|
893 | break;
|
---|
894 | case DBGCVAR_TYPE_GC_FAR:
|
---|
895 | enmType = DBGCVAR_TYPE_GC_FLAT;
|
---|
896 | break;
|
---|
897 | default: AssertFailedReturn(VERR_DBGC_IPE);
|
---|
898 | }
|
---|
899 | if (enmType != DBGCVAR_TYPE_STRING)
|
---|
900 | {
|
---|
901 | int rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_ANY, &Sym1);
|
---|
902 | if (RT_FAILURE(rc))
|
---|
903 | return rc;
|
---|
904 | pArg1 = &Sym1;
|
---|
905 | }
|
---|
906 | }
|
---|
907 | else if (pArg1->enmType == DBGCVAR_TYPE_NUMBER)
|
---|
908 | {
|
---|
909 | PFNDBGCOPUNARY pOp = NULL;
|
---|
910 | switch (pArg2->enmType)
|
---|
911 | {
|
---|
912 | case DBGCVAR_TYPE_GC_FAR:
|
---|
913 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
914 | pOp = dbgcOpAddrFlat;
|
---|
915 | break;
|
---|
916 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
917 | pOp = dbgcOpAddrPhys;
|
---|
918 | break;
|
---|
919 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
920 | pOp = dbgcOpAddrHost;
|
---|
921 | break;
|
---|
922 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
923 | pOp = dbgcOpAddrHostPhys;
|
---|
924 | break;
|
---|
925 | case DBGCVAR_TYPE_NUMBER:
|
---|
926 | break;
|
---|
927 | default: AssertFailedReturn(VERR_DBGC_IPE);
|
---|
928 | }
|
---|
929 | if (pOp)
|
---|
930 | {
|
---|
931 | int rc = pOp(pDbgc, pArg1, DBGCVAR_CAT_ANY, &Sym1);
|
---|
932 | if (RT_FAILURE(rc))
|
---|
933 | return rc;
|
---|
934 | pArg1 = &Sym1;
|
---|
935 | }
|
---|
936 | }
|
---|
937 |
|
---|
938 | /*
|
---|
939 | * Normal processing.
|
---|
940 | */
|
---|
941 | int rc;
|
---|
942 | DBGCVAR Var;
|
---|
943 | DBGCVAR Var2;
|
---|
944 | switch (pArg1->enmType)
|
---|
945 | {
|
---|
946 | /*
|
---|
947 | * GC Flat
|
---|
948 | */
|
---|
949 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
950 | switch (pArg2->enmType)
|
---|
951 | {
|
---|
952 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
953 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
954 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
955 | default:
|
---|
956 | *pResult = *pArg1;
|
---|
957 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
958 | if (RT_FAILURE(rc))
|
---|
959 | return rc;
|
---|
960 | pResult->u.GCFlat -= pArg2->u.GCFlat;
|
---|
961 | break;
|
---|
962 | }
|
---|
963 | break;
|
---|
964 |
|
---|
965 | /*
|
---|
966 | * GC Far
|
---|
967 | */
|
---|
968 | case DBGCVAR_TYPE_GC_FAR:
|
---|
969 | switch (pArg2->enmType)
|
---|
970 | {
|
---|
971 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
972 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
973 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
974 | case DBGCVAR_TYPE_NUMBER:
|
---|
975 | *pResult = *pArg1;
|
---|
976 | pResult->u.GCFar.off -= (RTGCPTR)pArg2->u.u64Number;
|
---|
977 | break;
|
---|
978 | default:
|
---|
979 | rc = dbgcOpAddrFlat(pDbgc, pArg1, DBGCVAR_CAT_ANY, pResult);
|
---|
980 | if (RT_FAILURE(rc))
|
---|
981 | return rc;
|
---|
982 | rc = dbgcOpAddrFlat(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
983 | if (RT_FAILURE(rc))
|
---|
984 | return rc;
|
---|
985 | pResult->u.GCFlat -= pArg2->u.GCFlat;
|
---|
986 | break;
|
---|
987 | }
|
---|
988 | break;
|
---|
989 |
|
---|
990 | /*
|
---|
991 | * GC Phys
|
---|
992 | */
|
---|
993 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
994 | switch (pArg2->enmType)
|
---|
995 | {
|
---|
996 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
997 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
998 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
999 | default:
|
---|
1000 | *pResult = *pArg1;
|
---|
1001 | rc = dbgcOpAddrPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
1002 | if (RT_FAILURE(rc))
|
---|
1003 | return rc;
|
---|
1004 | if (Var.enmType != DBGCVAR_TYPE_GC_PHYS)
|
---|
1005 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1006 | pResult->u.GCPhys -= Var.u.GCPhys;
|
---|
1007 | break;
|
---|
1008 | }
|
---|
1009 | break;
|
---|
1010 |
|
---|
1011 | /*
|
---|
1012 | * HC Flat
|
---|
1013 | */
|
---|
1014 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
1015 | *pResult = *pArg1;
|
---|
1016 | rc = dbgcOpAddrHost(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var2);
|
---|
1017 | if (RT_FAILURE(rc))
|
---|
1018 | return rc;
|
---|
1019 | rc = dbgcOpAddrFlat(pDbgc, &Var2, DBGCVAR_CAT_ANY, &Var);
|
---|
1020 | if (RT_FAILURE(rc))
|
---|
1021 | return rc;
|
---|
1022 | pResult->u.pvHCFlat = (char *)pResult->u.pvHCFlat - (uintptr_t)Var.u.pvHCFlat;
|
---|
1023 | break;
|
---|
1024 |
|
---|
1025 | /*
|
---|
1026 | * HC Phys
|
---|
1027 | */
|
---|
1028 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
1029 | *pResult = *pArg1;
|
---|
1030 | rc = dbgcOpAddrHostPhys(pDbgc, pArg2, DBGCVAR_CAT_ANY, &Var);
|
---|
1031 | if (RT_FAILURE(rc))
|
---|
1032 | return rc;
|
---|
1033 | pResult->u.HCPhys -= Var.u.HCPhys;
|
---|
1034 | break;
|
---|
1035 |
|
---|
1036 | /*
|
---|
1037 | * Numbers (see start of function)
|
---|
1038 | */
|
---|
1039 | case DBGCVAR_TYPE_NUMBER:
|
---|
1040 | *pResult = *pArg1;
|
---|
1041 | switch (pArg2->enmType)
|
---|
1042 | {
|
---|
1043 | case DBGCVAR_TYPE_SYMBOL:
|
---|
1044 | rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, &Var);
|
---|
1045 | if (RT_FAILURE(rc))
|
---|
1046 | return rc;
|
---|
1047 | RT_FALL_THRU();
|
---|
1048 | case DBGCVAR_TYPE_NUMBER:
|
---|
1049 | pResult->u.u64Number -= pArg2->u.u64Number;
|
---|
1050 | break;
|
---|
1051 | default:
|
---|
1052 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1053 | }
|
---|
1054 | break;
|
---|
1055 |
|
---|
1056 | default:
|
---|
1057 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1058 |
|
---|
1059 | }
|
---|
1060 | return VINF_SUCCESS;
|
---|
1061 | }
|
---|
1062 |
|
---|
1063 |
|
---|
1064 | /**
|
---|
1065 | * Bitwise shift left operator (binary).
|
---|
1066 | *
|
---|
1067 | * @returns VINF_SUCCESS on success.
|
---|
1068 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1069 | * The caller does the bitching.
|
---|
1070 | * @param pDbgc Debugger console instance data.
|
---|
1071 | * @param pArg1 The first argument.
|
---|
1072 | * @param pArg2 The 2nd argument.
|
---|
1073 | * @param pResult Where to store the result.
|
---|
1074 | */
|
---|
1075 | static DECLCALLBACK(int) dbgcOpBitwiseShiftLeft(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1076 | {
|
---|
1077 | LogFlow(("dbgcOpBitwiseShiftLeft\n"));
|
---|
1078 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, <<, false);
|
---|
1079 | }
|
---|
1080 |
|
---|
1081 |
|
---|
1082 | /**
|
---|
1083 | * Bitwise shift right operator (binary).
|
---|
1084 | *
|
---|
1085 | * @returns VINF_SUCCESS on success.
|
---|
1086 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1087 | * The caller does the bitching.
|
---|
1088 | * @param pDbgc Debugger console instance data.
|
---|
1089 | * @param pArg1 The first argument.
|
---|
1090 | * @param pArg2 The 2nd argument.
|
---|
1091 | * @param pResult Where to store the result.
|
---|
1092 | */
|
---|
1093 | static DECLCALLBACK(int) dbgcOpBitwiseShiftRight(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1094 | {
|
---|
1095 | LogFlow(("dbgcOpBitwiseShiftRight\n"));
|
---|
1096 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, >>, false);
|
---|
1097 | }
|
---|
1098 |
|
---|
1099 |
|
---|
1100 | /**
|
---|
1101 | * Bitwise and operator (binary).
|
---|
1102 | *
|
---|
1103 | * @returns VINF_SUCCESS on success.
|
---|
1104 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1105 | * The caller does the bitching.
|
---|
1106 | * @param pDbgc Debugger console instance data.
|
---|
1107 | * @param pArg1 The first argument.
|
---|
1108 | * @param pArg2 The 2nd argument.
|
---|
1109 | * @param pResult Where to store the result.
|
---|
1110 | */
|
---|
1111 | static DECLCALLBACK(int) dbgcOpBitwiseAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1112 | {
|
---|
1113 | LogFlow(("dbgcOpBitwiseAnd\n"));
|
---|
1114 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
1115 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, &, false);
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 |
|
---|
1119 | /**
|
---|
1120 | * Bitwise exclusive or operator (binary).
|
---|
1121 | *
|
---|
1122 | * @returns VINF_SUCCESS on success.
|
---|
1123 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1124 | * The caller does the bitching.
|
---|
1125 | * @param pDbgc Debugger console instance data.
|
---|
1126 | * @param pArg1 The first argument.
|
---|
1127 | * @param pArg2 The 2nd argument.
|
---|
1128 | * @param pResult Where to store the result.
|
---|
1129 | */
|
---|
1130 | static DECLCALLBACK(int) dbgcOpBitwiseXor(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1131 | {
|
---|
1132 | LogFlow(("dbgcOpBitwiseXor\n"));
|
---|
1133 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
1134 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, ^, false);
|
---|
1135 | }
|
---|
1136 |
|
---|
1137 |
|
---|
1138 | /**
|
---|
1139 | * Bitwise inclusive or operator (binary).
|
---|
1140 | *
|
---|
1141 | * @returns VINF_SUCCESS on success.
|
---|
1142 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1143 | * The caller does the bitching.
|
---|
1144 | * @param pDbgc Debugger console instance data.
|
---|
1145 | * @param pArg1 The first argument.
|
---|
1146 | * @param pArg2 The 2nd argument.
|
---|
1147 | * @param pResult Where to store the result.
|
---|
1148 | */
|
---|
1149 | static DECLCALLBACK(int) dbgcOpBitwiseOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1150 | {
|
---|
1151 | LogFlow(("dbgcOpBitwiseOr\n"));
|
---|
1152 | DBGC_GEN_ARIT_POINTER_TO_THE_LEFT(pArg1, pArg2);
|
---|
1153 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, |, false);
|
---|
1154 | }
|
---|
1155 |
|
---|
1156 |
|
---|
1157 | /**
|
---|
1158 | * Boolean and operator (binary).
|
---|
1159 | *
|
---|
1160 | * @returns VINF_SUCCESS on success.
|
---|
1161 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1162 | * The caller does the bitching.
|
---|
1163 | * @param pDbgc Debugger console instance data.
|
---|
1164 | * @param pArg1 The first argument.
|
---|
1165 | * @param pArg2 The 2nd argument.
|
---|
1166 | * @param pResult Where to store the result.
|
---|
1167 | */
|
---|
1168 | static DECLCALLBACK(int) dbgcOpBooleanAnd(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1169 | {
|
---|
1170 | LogFlow(("dbgcOpBooleanAnd\n"));
|
---|
1171 | /** @todo force numeric return value? */
|
---|
1172 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, &&, false);
|
---|
1173 | }
|
---|
1174 |
|
---|
1175 |
|
---|
1176 | /**
|
---|
1177 | * Boolean or operator (binary).
|
---|
1178 | *
|
---|
1179 | * @returns VINF_SUCCESS on success.
|
---|
1180 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1181 | * The caller does the bitching.
|
---|
1182 | * @param pDbgc Debugger console instance data.
|
---|
1183 | * @param pArg1 The first argument.
|
---|
1184 | * @param pArg2 The 2nd argument.
|
---|
1185 | * @param pResult Where to store the result.
|
---|
1186 | */
|
---|
1187 | static DECLCALLBACK(int) dbgcOpBooleanOr(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1188 | {
|
---|
1189 | LogFlow(("dbgcOpBooleanOr\n"));
|
---|
1190 | /** @todo force numeric return value? */
|
---|
1191 | DBGC_GEN_ARIT_BINARY_OP(pDbgc, pArg1, pArg2, pResult, ||, false);
|
---|
1192 | }
|
---|
1193 |
|
---|
1194 |
|
---|
1195 | /**
|
---|
1196 | * Range to operator (binary).
|
---|
1197 | *
|
---|
1198 | * @returns VINF_SUCCESS on success.
|
---|
1199 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1200 | * The caller does the bitching.
|
---|
1201 | * @param pDbgc Debugger console instance data.
|
---|
1202 | * @param pArg1 The first argument.
|
---|
1203 | * @param pArg2 The 2nd argument.
|
---|
1204 | * @param pResult Where to store the result.
|
---|
1205 | */
|
---|
1206 | static DECLCALLBACK(int) dbgcOpRangeLength(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1207 | {
|
---|
1208 | LogFlow(("dbgcOpRangeLength\n"));
|
---|
1209 |
|
---|
1210 | if (pArg1->enmType == DBGCVAR_TYPE_STRING)
|
---|
1211 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1212 |
|
---|
1213 | /*
|
---|
1214 | * Make result. Symbols needs to be resolved.
|
---|
1215 | */
|
---|
1216 | if (pArg1->enmType == DBGCVAR_TYPE_SYMBOL)
|
---|
1217 | {
|
---|
1218 | int rc = dbgcSymbolGet(pDbgc, pArg1->u.pszString, DBGCVAR_TYPE_ANY, pResult);
|
---|
1219 | if (RT_FAILURE(rc))
|
---|
1220 | return rc;
|
---|
1221 | }
|
---|
1222 | else
|
---|
1223 | *pResult = *pArg1;
|
---|
1224 |
|
---|
1225 | /*
|
---|
1226 | * Convert 2nd argument to element count.
|
---|
1227 | */
|
---|
1228 | pResult->enmRangeType = DBGCVAR_RANGE_ELEMENTS;
|
---|
1229 | switch (pArg2->enmType)
|
---|
1230 | {
|
---|
1231 | case DBGCVAR_TYPE_NUMBER:
|
---|
1232 | pResult->u64Range = pArg2->u.u64Number;
|
---|
1233 | break;
|
---|
1234 |
|
---|
1235 | case DBGCVAR_TYPE_SYMBOL:
|
---|
1236 | {
|
---|
1237 | int rc = dbgcSymbolGet(pDbgc, pArg2->u.pszString, DBGCVAR_TYPE_NUMBER, pResult);
|
---|
1238 | if (RT_FAILURE(rc))
|
---|
1239 | return rc;
|
---|
1240 | pResult->u64Range = pArg2->u.u64Number;
|
---|
1241 | break;
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | case DBGCVAR_TYPE_STRING:
|
---|
1245 | default:
|
---|
1246 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1247 | }
|
---|
1248 |
|
---|
1249 | return VINF_SUCCESS;
|
---|
1250 | }
|
---|
1251 |
|
---|
1252 |
|
---|
1253 | /**
|
---|
1254 | * Range to operator (binary).
|
---|
1255 | *
|
---|
1256 | * @returns VINF_SUCCESS on success.
|
---|
1257 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1258 | * The caller does the bitching.
|
---|
1259 | * @param pDbgc Debugger console instance data.
|
---|
1260 | * @param pArg1 The first argument.
|
---|
1261 | * @param pArg2 The 2nd argument.
|
---|
1262 | * @param pResult Where to store the result.
|
---|
1263 | */
|
---|
1264 | static DECLCALLBACK(int) dbgcOpRangeLengthBytes(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1265 | {
|
---|
1266 | LogFlow(("dbgcOpRangeLengthBytes\n"));
|
---|
1267 | int rc = dbgcOpRangeLength(pDbgc, pArg1, pArg2, pResult);
|
---|
1268 | if (RT_SUCCESS(rc))
|
---|
1269 | pResult->enmRangeType = DBGCVAR_RANGE_BYTES;
|
---|
1270 | return rc;
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 |
|
---|
1274 | /**
|
---|
1275 | * Range to operator (binary).
|
---|
1276 | *
|
---|
1277 | * @returns VINF_SUCCESS on success.
|
---|
1278 | * @returns VBox evaluation / parsing error code on failure.
|
---|
1279 | * The caller does the bitching.
|
---|
1280 | * @param pDbgc Debugger console instance data.
|
---|
1281 | * @param pArg1 The first argument.
|
---|
1282 | * @param pArg2 The 2nd argument.
|
---|
1283 | * @param pResult Where to store the result.
|
---|
1284 | */
|
---|
1285 | static DECLCALLBACK(int) dbgcOpRangeTo(PDBGC pDbgc, PCDBGCVAR pArg1, PCDBGCVAR pArg2, PDBGCVAR pResult)
|
---|
1286 | {
|
---|
1287 | LogFlow(("dbgcOpRangeTo\n"));
|
---|
1288 |
|
---|
1289 | /*
|
---|
1290 | * Calc number of bytes between the two args.
|
---|
1291 | */
|
---|
1292 | DBGCVAR Diff;
|
---|
1293 | int rc = dbgcOpSub(pDbgc, pArg2, pArg1, &Diff);
|
---|
1294 | if (RT_FAILURE(rc))
|
---|
1295 | return rc;
|
---|
1296 |
|
---|
1297 | /*
|
---|
1298 | * Use the diff as the range of Arg1.
|
---|
1299 | */
|
---|
1300 | *pResult = *pArg1;
|
---|
1301 | pResult->enmRangeType = DBGCVAR_RANGE_BYTES;
|
---|
1302 | switch (Diff.enmType)
|
---|
1303 | {
|
---|
1304 | case DBGCVAR_TYPE_GC_FLAT:
|
---|
1305 | pResult->u64Range = (RTGCUINTPTR)Diff.u.GCFlat;
|
---|
1306 | break;
|
---|
1307 | case DBGCVAR_TYPE_GC_PHYS:
|
---|
1308 | pResult->u64Range = Diff.u.GCPhys;
|
---|
1309 | break;
|
---|
1310 | case DBGCVAR_TYPE_HC_FLAT:
|
---|
1311 | pResult->u64Range = (uintptr_t)Diff.u.pvHCFlat;
|
---|
1312 | break;
|
---|
1313 | case DBGCVAR_TYPE_HC_PHYS:
|
---|
1314 | pResult->u64Range = Diff.u.HCPhys;
|
---|
1315 | break;
|
---|
1316 | case DBGCVAR_TYPE_NUMBER:
|
---|
1317 | pResult->u64Range = Diff.u.u64Number;
|
---|
1318 | break;
|
---|
1319 |
|
---|
1320 | case DBGCVAR_TYPE_GC_FAR:
|
---|
1321 | case DBGCVAR_TYPE_STRING:
|
---|
1322 | case DBGCVAR_TYPE_SYMBOL:
|
---|
1323 | default:
|
---|
1324 | AssertMsgFailed(("Impossible!\n"));
|
---|
1325 | return VERR_DBGC_PARSE_INVALID_OPERATION;
|
---|
1326 | }
|
---|
1327 |
|
---|
1328 | return VINF_SUCCESS;
|
---|
1329 | }
|
---|
1330 |
|
---|
1331 |
|
---|
1332 | /**
|
---|
1333 | * Searches for an operator descriptor which matches the start of
|
---|
1334 | * the expression given us.
|
---|
1335 | *
|
---|
1336 | * @returns Pointer to the operator on success.
|
---|
1337 | * @param pDbgc The debug console instance.
|
---|
1338 | * @param pszExpr Pointer to the expression string which might start with an operator.
|
---|
1339 | * @param fPreferBinary Whether to favour binary or unary operators.
|
---|
1340 | * Caller must assert that it's the desired type! Both types will still
|
---|
1341 | * be returned, this is only for resolving duplicates.
|
---|
1342 | * @param chPrev The previous char. Some operators requires a blank in front of it.
|
---|
1343 | */
|
---|
1344 | PCDBGCOP dbgcOperatorLookup(PDBGC pDbgc, const char *pszExpr, bool fPreferBinary, char chPrev)
|
---|
1345 | {
|
---|
1346 | PCDBGCOP pOp = NULL;
|
---|
1347 | for (unsigned iOp = 0; iOp < RT_ELEMENTS(g_aDbgcOps); iOp++)
|
---|
1348 | {
|
---|
1349 | if ( g_aDbgcOps[iOp].szName[0] == pszExpr[0]
|
---|
1350 | && (!g_aDbgcOps[iOp].szName[1] || g_aDbgcOps[iOp].szName[1] == pszExpr[1])
|
---|
1351 | && (!g_aDbgcOps[iOp].szName[2] || g_aDbgcOps[iOp].szName[2] == pszExpr[2]))
|
---|
1352 | {
|
---|
1353 | /*
|
---|
1354 | * Check that we don't mistake it for some other operator which have more chars.
|
---|
1355 | */
|
---|
1356 | unsigned j;
|
---|
1357 | for (j = iOp + 1; j < RT_ELEMENTS(g_aDbgcOps); j++)
|
---|
1358 | if ( g_aDbgcOps[j].cchName > g_aDbgcOps[iOp].cchName
|
---|
1359 | && g_aDbgcOps[j].szName[0] == pszExpr[0]
|
---|
1360 | && (!g_aDbgcOps[j].szName[1] || g_aDbgcOps[j].szName[1] == pszExpr[1])
|
---|
1361 | && (!g_aDbgcOps[j].szName[2] || g_aDbgcOps[j].szName[2] == pszExpr[2]) )
|
---|
1362 | break;
|
---|
1363 | if (j < RT_ELEMENTS(g_aDbgcOps))
|
---|
1364 | continue; /* we'll catch it later. (for theoretical +,++,+++ cases.) */
|
---|
1365 | pOp = &g_aDbgcOps[iOp];
|
---|
1366 |
|
---|
1367 | /*
|
---|
1368 | * Preferred type?
|
---|
1369 | */
|
---|
1370 | if (g_aDbgcOps[iOp].fBinary == fPreferBinary)
|
---|
1371 | break;
|
---|
1372 | }
|
---|
1373 | }
|
---|
1374 |
|
---|
1375 | if (pOp)
|
---|
1376 | Log2(("dbgcOperatorLookup: pOp=%p %s\n", pOp, pOp->szName));
|
---|
1377 | NOREF(pDbgc); NOREF(chPrev);
|
---|
1378 | return pOp;
|
---|
1379 | }
|
---|
1380 |
|
---|