[31491] | 1 | /* $Id: DBGFReg.cpp 73417 2018-08-01 11:09:23Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DBGF - Debugger Facility, Register Methods.
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| 4 | */
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| 5 |
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| 6 | /*
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[69111] | 7 | * Copyright (C) 2010-2017 Oracle Corporation
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[31491] | 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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[57358] | 19 | /*********************************************************************************************************************************
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| 20 | * Header Files *
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| 21 | *********************************************************************************************************************************/
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[31491] | 22 | #define LOG_GROUP LOG_GROUP_DBGF
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[35346] | 23 | #include <VBox/vmm/dbgf.h>
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[31491] | 24 | #include "DBGFInternal.h"
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[35410] | 25 | #include <VBox/vmm/mm.h>
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[35346] | 26 | #include <VBox/vmm/vm.h>
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[44399] | 27 | #include <VBox/vmm/uvm.h>
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[31491] | 28 | #include <VBox/param.h>
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| 29 | #include <VBox/err.h>
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| 30 | #include <VBox/log.h>
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[35410] | 31 | #include <iprt/ctype.h>
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| 32 | #include <iprt/string.h>
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[35490] | 33 | #include <iprt/uint128.h>
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[31491] | 34 |
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| 35 |
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[57358] | 36 | /*********************************************************************************************************************************
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| 37 | * Defined Constants And Macros *
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| 38 | *********************************************************************************************************************************/
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[35410] | 39 | /** Locks the register database for writing. */
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[44399] | 40 | #define DBGF_REG_DB_LOCK_WRITE(pUVM) \
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[35410] | 41 | do { \
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[44399] | 42 | int rcSem = RTSemRWRequestWrite((pUVM)->dbgf.s.hRegDbLock, RT_INDEFINITE_WAIT); \
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[35410] | 43 | AssertRC(rcSem); \
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| 44 | } while (0)
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[31491] | 45 |
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[35410] | 46 | /** Unlocks the register database after writing. */
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[44399] | 47 | #define DBGF_REG_DB_UNLOCK_WRITE(pUVM) \
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[35410] | 48 | do { \
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[44399] | 49 | int rcSem = RTSemRWReleaseWrite((pUVM)->dbgf.s.hRegDbLock); \
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[35410] | 50 | AssertRC(rcSem); \
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| 51 | } while (0)
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[31491] | 52 |
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[35410] | 53 | /** Locks the register database for reading. */
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[44399] | 54 | #define DBGF_REG_DB_LOCK_READ(pUVM) \
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[35410] | 55 | do { \
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[44399] | 56 | int rcSem = RTSemRWRequestRead((pUVM)->dbgf.s.hRegDbLock, RT_INDEFINITE_WAIT); \
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[35410] | 57 | AssertRC(rcSem); \
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| 58 | } while (0)
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| 59 |
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| 60 | /** Unlocks the register database after reading. */
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[44399] | 61 | #define DBGF_REG_DB_UNLOCK_READ(pUVM) \
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[35410] | 62 | do { \
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[44399] | 63 | int rcSem = RTSemRWReleaseRead((pUVM)->dbgf.s.hRegDbLock); \
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[35410] | 64 | AssertRC(rcSem); \
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| 65 | } while (0)
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| 66 |
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| 67 |
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[35466] | 68 | /** The max length of a set, register or sub-field name. */
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| 69 | #define DBGF_REG_MAX_NAME 40
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[35410] | 70 |
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[35466] | 71 |
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[57358] | 72 | /*********************************************************************************************************************************
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| 73 | * Structures and Typedefs *
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| 74 | *********************************************************************************************************************************/
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[31491] | 75 | /**
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[35410] | 76 | * Register set registration record type.
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[35312] | 77 | */
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[35410] | 78 | typedef enum DBGFREGSETTYPE
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[35312] | 79 | {
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[35410] | 80 | /** Invalid zero value. */
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| 81 | DBGFREGSETTYPE_INVALID = 0,
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| 82 | /** CPU record. */
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| 83 | DBGFREGSETTYPE_CPU,
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| 84 | /** Device record. */
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| 85 | DBGFREGSETTYPE_DEVICE,
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| 86 | /** End of valid record types. */
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| 87 | DBGFREGSETTYPE_END
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| 88 | } DBGFREGSETTYPE;
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[35312] | 89 |
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| 90 |
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| 91 | /**
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[35410] | 92 | * Register set registration record.
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[35312] | 93 | */
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[35410] | 94 | typedef struct DBGFREGSET
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[35312] | 95 | {
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[35410] | 96 | /** String space core. */
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| 97 | RTSTRSPACECORE Core;
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| 98 | /** The registration record type. */
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[35466] | 99 | DBGFREGSETTYPE enmType;
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[35410] | 100 | /** The user argument for the callbacks. */
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| 101 | union
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| 102 | {
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| 103 | /** The CPU view. */
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| 104 | PVMCPU pVCpu;
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| 105 | /** The device view. */
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| 106 | PPDMDEVINS pDevIns;
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| 107 | /** The general view. */
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| 108 | void *pv;
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| 109 | } uUserArg;
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[35312] | 110 |
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[35410] | 111 | /** The register descriptors. */
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| 112 | PCDBGFREGDESC paDescs;
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| 113 | /** The number of register descriptors. */
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[35469] | 114 | uint32_t cDescs;
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[35312] | 115 |
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[35550] | 116 | /** Array of lookup records.
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| 117 | * The first part of the array runs parallel to paDescs, the rest are
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| 118 | * covering for aliases and bitfield variations. It's done this way to
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| 119 | * simplify the query all operations. */
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[35466] | 120 | struct DBGFREGLOOKUP *paLookupRecs;
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| 121 | /** The number of lookup records. */
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[35470] | 122 | uint32_t cLookupRecs;
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[35466] | 123 |
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[35410] | 124 | /** The register name prefix. */
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[35466] | 125 | char szPrefix[1];
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[35410] | 126 | } DBGFREGSET;
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| 127 | /** Pointer to a register registration record. */
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| 128 | typedef DBGFREGSET *PDBGFREGSET;
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[35466] | 129 | /** Pointer to a const register registration record. */
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| 130 | typedef DBGFREGSET const *PCDBGFREGSET;
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[35312] | 131 |
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| 132 |
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[35410] | 133 | /**
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[35466] | 134 | * Register lookup record.
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| 135 | */
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| 136 | typedef struct DBGFREGLOOKUP
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| 137 | {
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| 138 | /** The string space core. */
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| 139 | RTSTRSPACECORE Core;
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| 140 | /** Pointer to the set. */
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| 141 | PCDBGFREGSET pSet;
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| 142 | /** Pointer to the register descriptor. */
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| 143 | PCDBGFREGDESC pDesc;
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| 144 | /** If an alias this points to the alias descriptor, NULL if not. */
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| 145 | PCDBGFREGALIAS pAlias;
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| 146 | /** If a sub-field this points to the sub-field descriptor, NULL if not. */
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| 147 | PCDBGFREGSUBFIELD pSubField;
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| 148 | } DBGFREGLOOKUP;
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| 149 | /** Pointer to a register lookup record. */
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| 150 | typedef DBGFREGLOOKUP *PDBGFREGLOOKUP;
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| 151 | /** Pointer to a const register lookup record. */
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| 152 | typedef DBGFREGLOOKUP const *PCDBGFREGLOOKUP;
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| 153 |
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| 154 |
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| 155 | /**
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[35586] | 156 | * Argument packet from DBGFR3RegNmQueryAll to dbgfR3RegNmQueryAllWorker.
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| 157 | */
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| 158 | typedef struct DBGFR3REGNMQUERYALLARGS
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| 159 | {
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| 160 | /** The output register array. */
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| 161 | PDBGFREGENTRYNM paRegs;
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| 162 | /** The number of entries in the output array. */
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| 163 | size_t cRegs;
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[44399] | 164 | /** The current register number when enumerating the string space.
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| 165 | * @remarks Only used by EMT(0). */
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[35586] | 166 | size_t iReg;
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| 167 | } DBGFR3REGNMQUERYALLARGS;
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| 168 | /** Pointer to a dbgfR3RegNmQueryAllWorker argument packet. */
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| 169 | typedef DBGFR3REGNMQUERYALLARGS *PDBGFR3REGNMQUERYALLARGS;
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| 170 |
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| 171 |
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| 172 | /**
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[35625] | 173 | * Argument packet passed by DBGFR3RegPrintfV to dbgfR3RegPrintfCbOutput and
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| 174 | * dbgfR3RegPrintfCbFormat.
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[35586] | 175 | */
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[35625] | 176 | typedef struct DBGFR3REGPRINTFARGS
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[35586] | 177 | {
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[44399] | 178 | /** The user mode VM handle. */
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| 179 | PUVM pUVM;
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[35586] | 180 | /** The target CPU. */
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| 181 | VMCPUID idCpu;
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[35606] | 182 | /** Set if we're looking at guest registers. */
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| 183 | bool fGuestRegs;
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[35586] | 184 | /** The output buffer. */
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| 185 | char *pszBuf;
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| 186 | /** The format string. */
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| 187 | const char *pszFormat;
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| 188 | /** The va list with format arguments. */
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| 189 | va_list va;
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| 190 |
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| 191 | /** The current buffer offset. */
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| 192 | size_t offBuf;
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| 193 | /** The amount of buffer space left, not counting the terminator char. */
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| 194 | size_t cchLeftBuf;
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| 195 | /** The status code of the whole operation. First error is return,
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| 196 | * subsequent ones are suppressed. */
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| 197 | int rc;
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[35625] | 198 | } DBGFR3REGPRINTFARGS;
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| 199 | /** Pointer to a DBGFR3RegPrintfV argument packet. */
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| 200 | typedef DBGFR3REGPRINTFARGS *PDBGFR3REGPRINTFARGS;
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[35586] | 201 |
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| 202 |
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| 203 |
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| 204 | /**
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[35466] | 205 | * Initializes the register database.
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| 206 | *
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| 207 | * @returns VBox status code.
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[44399] | 208 | * @param pUVM The user mode VM handle.
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[35466] | 209 | */
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[44399] | 210 | int dbgfR3RegInit(PUVM pUVM)
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[35466] | 211 | {
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[44399] | 212 | int rc = VINF_SUCCESS;
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| 213 | if (!pUVM->dbgf.s.fRegDbInitialized)
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[35490] | 214 | {
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[44399] | 215 | rc = RTSemRWCreate(&pUVM->dbgf.s.hRegDbLock);
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| 216 | pUVM->dbgf.s.fRegDbInitialized = RT_SUCCESS(rc);
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[35490] | 217 | }
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| 218 | return rc;
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[35466] | 219 | }
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| 220 |
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| 221 |
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| 222 | /**
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| 223 | * Terminates the register database.
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| 224 | *
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[44399] | 225 | * @param pUVM The user mode VM handle.
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[35466] | 226 | */
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[44399] | 227 | void dbgfR3RegTerm(PUVM pUVM)
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[35466] | 228 | {
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[44399] | 229 | RTSemRWDestroy(pUVM->dbgf.s.hRegDbLock);
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| 230 | pUVM->dbgf.s.hRegDbLock = NIL_RTSEMRW;
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| 231 | pUVM->dbgf.s.fRegDbInitialized = false;
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[35466] | 232 | }
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| 233 |
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| 234 |
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| 235 | /**
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[35410] | 236 | * Validates a register name.
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| 237 | *
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| 238 | * This is used for prefixes, aliases and field names.
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| 239 | *
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| 240 | * @returns true if valid, false if not.
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| 241 | * @param pszName The register name to validate.
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[35490] | 242 | * @param chDot Set to '.' if accepted, otherwise 0.
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[35312] | 243 | */
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[35490] | 244 | static bool dbgfR3RegIsNameValid(const char *pszName, char chDot)
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[35312] | 245 | {
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[35466] | 246 | const char *psz = pszName;
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| 247 | if (!RT_C_IS_ALPHA(*psz))
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[35410] | 248 | return false;
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| 249 | char ch;
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[35466] | 250 | while ((ch = *++psz))
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[35410] | 251 | if ( !RT_C_IS_LOWER(ch)
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| 252 | && !RT_C_IS_DIGIT(ch)
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[35490] | 253 | && ch != '_'
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| 254 | && ch != chDot)
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[35410] | 255 | return false;
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[35466] | 256 | if (psz - pszName > DBGF_REG_MAX_NAME)
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| 257 | return false;
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[35410] | 258 | return true;
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| 259 | }
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[35312] | 260 |
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| 261 |
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[35410] | 262 | /**
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| 263 | * Common worker for registering a register set.
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| 264 | *
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| 265 | * @returns VBox status code.
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[44399] | 266 | * @param pUVM The user mode VM handle.
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[35410] | 267 | * @param paRegisters The register descriptors.
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| 268 | * @param enmType The set type.
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| 269 | * @param pvUserArg The user argument for the callbacks.
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| 270 | * @param pszPrefix The name prefix.
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| 271 | * @param iInstance The instance number to be appended to @a
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| 272 | * pszPrefix when creating the set name.
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[35312] | 273 | */
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[44399] | 274 | static int dbgfR3RegRegisterCommon(PUVM pUVM, PCDBGFREGDESC paRegisters, DBGFREGSETTYPE enmType, void *pvUserArg,
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[35601] | 275 | const char *pszPrefix, uint32_t iInstance)
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[35312] | 276 | {
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[35410] | 277 | /*
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| 278 | * Validate input.
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| 279 | */
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| 280 | /* The name components. */
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[35490] | 281 | AssertMsgReturn(dbgfR3RegIsNameValid(pszPrefix, 0), ("%s\n", pszPrefix), VERR_INVALID_NAME);
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[35410] | 282 | const char *psz = RTStrEnd(pszPrefix, RTSTR_MAX);
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| 283 | bool const fNeedUnderscore = RT_C_IS_DIGIT(psz[-1]);
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| 284 | size_t const cchPrefix = psz - pszPrefix + fNeedUnderscore;
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| 285 | AssertMsgReturn(cchPrefix < RT_SIZEOFMEMB(DBGFREGSET, szPrefix) - 4 - 1, ("%s\n", pszPrefix), VERR_INVALID_NAME);
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[35312] | 286 |
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[35410] | 287 | AssertMsgReturn(iInstance <= 9999, ("%d\n", iInstance), VERR_INVALID_NAME);
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[35312] | 288 |
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[35410] | 289 | /* The descriptors. */
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[35466] | 290 | uint32_t cLookupRecs = 0;
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[35410] | 291 | uint32_t iDesc;
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| 292 | for (iDesc = 0; paRegisters[iDesc].pszName != NULL; iDesc++)
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| 293 | {
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[35490] | 294 | AssertMsgReturn(dbgfR3RegIsNameValid(paRegisters[iDesc].pszName, 0), ("%s (#%u)\n", paRegisters[iDesc].pszName, iDesc), VERR_INVALID_NAME);
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[35312] | 295 |
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[35410] | 296 | if (enmType == DBGFREGSETTYPE_CPU)
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[72867] | 297 | AssertMsgReturn(iDesc < (unsigned)DBGFREG_END && (unsigned)paRegisters[iDesc].enmReg == iDesc,
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[35410] | 298 | ("%d iDesc=%d\n", paRegisters[iDesc].enmReg, iDesc),
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| 299 | VERR_INVALID_PARAMETER);
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| 300 | else
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| 301 | AssertReturn(paRegisters[iDesc].enmReg == DBGFREG_END, VERR_INVALID_PARAMETER);
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| 302 | AssertReturn( paRegisters[iDesc].enmType > DBGFREGVALTYPE_INVALID
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| 303 | && paRegisters[iDesc].enmType < DBGFREGVALTYPE_END, VERR_INVALID_PARAMETER);
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[35490] | 304 | AssertMsgReturn(!(paRegisters[iDesc].fFlags & ~DBGFREG_FLAGS_READ_ONLY),
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[35410] | 305 | ("%#x (#%u)\n", paRegisters[iDesc].fFlags, iDesc),
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| 306 | VERR_INVALID_PARAMETER);
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| 307 | AssertPtrReturn(paRegisters[iDesc].pfnGet, VERR_INVALID_PARAMETER);
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[44689] | 308 | AssertReturn(RT_VALID_PTR(paRegisters[iDesc].pfnSet) || (paRegisters[iDesc].fFlags & DBGFREG_FLAGS_READ_ONLY),
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| 309 | VERR_INVALID_PARAMETER);
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[35312] | 310 |
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[35466] | 311 | uint32_t iAlias = 0;
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| 312 | PCDBGFREGALIAS paAliases = paRegisters[iDesc].paAliases;
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[35410] | 313 | if (paAliases)
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| 314 | {
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| 315 | AssertPtrReturn(paAliases, VERR_INVALID_PARAMETER);
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[35466] | 316 | for (; paAliases[iAlias].pszName; iAlias++)
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[35410] | 317 | {
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[35490] | 318 | AssertMsgReturn(dbgfR3RegIsNameValid(paAliases[iAlias].pszName, 0), ("%s (%s)\n", paAliases[iAlias].pszName, paRegisters[iDesc].pszName), VERR_INVALID_NAME);
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[35466] | 319 | AssertReturn( paAliases[iAlias].enmType > DBGFREGVALTYPE_INVALID
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| 320 | && paAliases[iAlias].enmType < DBGFREGVALTYPE_END, VERR_INVALID_PARAMETER);
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[35410] | 321 | }
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| 322 | }
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[35312] | 323 |
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[35466] | 324 | uint32_t iSubField = 0;
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[35410] | 325 | PCDBGFREGSUBFIELD paSubFields = paRegisters[iDesc].paSubFields;
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| 326 | if (paSubFields)
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| 327 | {
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| 328 | AssertPtrReturn(paSubFields, VERR_INVALID_PARAMETER);
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[35466] | 329 | for (; paSubFields[iSubField].pszName; iSubField++)
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[35410] | 330 | {
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[35490] | 331 | AssertMsgReturn(dbgfR3RegIsNameValid(paSubFields[iSubField].pszName, '.'), ("%s (%s)\n", paSubFields[iSubField].pszName, paRegisters[iDesc].pszName), VERR_INVALID_NAME);
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[35466] | 332 | AssertReturn(paSubFields[iSubField].iFirstBit + paSubFields[iSubField].cBits <= 128, VERR_INVALID_PARAMETER);
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| 333 | AssertReturn(paSubFields[iSubField].cBits + paSubFields[iSubField].cShift <= 128, VERR_INVALID_PARAMETER);
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| 334 | AssertPtrNullReturn(paSubFields[iSubField].pfnGet, VERR_INVALID_POINTER);
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| 335 | AssertPtrNullReturn(paSubFields[iSubField].pfnSet, VERR_INVALID_POINTER);
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[35410] | 336 | }
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| 337 | }
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[35466] | 338 |
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| 339 | cLookupRecs += (1 + iAlias) * (1 + iSubField);
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[35410] | 340 | }
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[35312] | 341 |
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[35466] | 342 | /* Check the instance number of the CPUs. */
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[44399] | 343 | AssertReturn(enmType != DBGFREGSETTYPE_CPU || iInstance < pUVM->cCpus, VERR_INVALID_CPU_ID);
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[35466] | 344 |
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[35410] | 345 | /*
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[35466] | 346 | * Allocate a new record and all associated lookup records.
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[35410] | 347 | */
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[73097] | 348 | size_t cbRegSet = RT_UOFFSETOF_DYN(DBGFREGSET, szPrefix[cchPrefix + 4 + 1]);
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[35466] | 349 | cbRegSet = RT_ALIGN_Z(cbRegSet, 32);
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| 350 | size_t const offLookupRecArray = cbRegSet;
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| 351 | cbRegSet += cLookupRecs * sizeof(DBGFREGLOOKUP);
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| 352 |
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[44399] | 353 | PDBGFREGSET pRegSet = (PDBGFREGSET)MMR3HeapAllocZU(pUVM, MM_TAG_DBGF_REG, cbRegSet);
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[35466] | 354 | if (!pRegSet)
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[35410] | 355 | return VERR_NO_MEMORY;
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[35312] | 356 |
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[35466] | 357 | /*
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| 358 | * Initialize the new record.
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| 359 | */
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| 360 | pRegSet->Core.pszString = pRegSet->szPrefix;
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| 361 | pRegSet->enmType = enmType;
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| 362 | pRegSet->uUserArg.pv = pvUserArg;
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| 363 | pRegSet->paDescs = paRegisters;
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| 364 | pRegSet->cDescs = iDesc;
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| 365 | pRegSet->cLookupRecs = cLookupRecs;
|
---|
| 366 | pRegSet->paLookupRecs = (PDBGFREGLOOKUP)((uintptr_t)pRegSet + offLookupRecArray);
|
---|
[35410] | 367 | if (fNeedUnderscore)
|
---|
[35466] | 368 | RTStrPrintf(pRegSet->szPrefix, cchPrefix + 4 + 1, "%s_%u", pszPrefix, iInstance);
|
---|
[35410] | 369 | else
|
---|
[35466] | 370 | RTStrPrintf(pRegSet->szPrefix, cchPrefix + 4 + 1, "%s%u", pszPrefix, iInstance);
|
---|
[35312] | 371 |
|
---|
| 372 |
|
---|
[35466] | 373 | /*
|
---|
[35550] | 374 | * Initialize the lookup records. See DBGFREGSET::paLookupRecs.
|
---|
[35466] | 375 | */
|
---|
| 376 | char szName[DBGF_REG_MAX_NAME * 3 + 16];
|
---|
| 377 | strcpy(szName, pRegSet->szPrefix);
|
---|
| 378 | char *pszReg = strchr(szName, '\0');
|
---|
| 379 | *pszReg++ = '.';
|
---|
| 380 |
|
---|
[35550] | 381 | /* Array parallel to the descriptors. */
|
---|
[35466] | 382 | int rc = VINF_SUCCESS;
|
---|
| 383 | PDBGFREGLOOKUP pLookupRec = &pRegSet->paLookupRecs[0];
|
---|
| 384 | for (iDesc = 0; paRegisters[iDesc].pszName != NULL && RT_SUCCESS(rc); iDesc++)
|
---|
| 385 | {
|
---|
[35550] | 386 | strcpy(pszReg, paRegisters[iDesc].pszName);
|
---|
[44399] | 387 | pLookupRec->Core.pszString = MMR3HeapStrDupU(pUVM, MM_TAG_DBGF_REG, szName);
|
---|
[35550] | 388 | if (!pLookupRec->Core.pszString)
|
---|
| 389 | rc = VERR_NO_STR_MEMORY;
|
---|
| 390 | pLookupRec->pSet = pRegSet;
|
---|
| 391 | pLookupRec->pDesc = &paRegisters[iDesc];
|
---|
| 392 | pLookupRec->pAlias = NULL;
|
---|
| 393 | pLookupRec->pSubField = NULL;
|
---|
| 394 | pLookupRec++;
|
---|
| 395 | }
|
---|
| 396 |
|
---|
| 397 | /* Aliases and sub-fields. */
|
---|
| 398 | for (iDesc = 0; paRegisters[iDesc].pszName != NULL && RT_SUCCESS(rc); iDesc++)
|
---|
| 399 | {
|
---|
| 400 | PCDBGFREGALIAS pCurAlias = NULL; /* first time we add sub-fields for the real name. */
|
---|
[35466] | 401 | PCDBGFREGALIAS pNextAlias = paRegisters[iDesc].paAliases;
|
---|
| 402 | const char *pszRegName = paRegisters[iDesc].pszName;
|
---|
| 403 | while (RT_SUCCESS(rc))
|
---|
| 404 | {
|
---|
[35550] | 405 | /* Add sub-field records. */
|
---|
[35466] | 406 | PCDBGFREGSUBFIELD paSubFields = paRegisters[iDesc].paSubFields;
|
---|
| 407 | if (paSubFields)
|
---|
| 408 | {
|
---|
[35550] | 409 | size_t cchReg = strlen(pszRegName);
|
---|
| 410 | memcpy(pszReg, pszRegName, cchReg);
|
---|
[35466] | 411 | char *pszSub = &pszReg[cchReg];
|
---|
| 412 | *pszSub++ = '.';
|
---|
| 413 | for (uint32_t iSubField = 0; paSubFields[iSubField].pszName && RT_SUCCESS(rc); iSubField++)
|
---|
| 414 | {
|
---|
| 415 | strcpy(pszSub, paSubFields[iSubField].pszName);
|
---|
[44399] | 416 | pLookupRec->Core.pszString = MMR3HeapStrDupU(pUVM, MM_TAG_DBGF_REG, szName);
|
---|
[35466] | 417 | if (!pLookupRec->Core.pszString)
|
---|
| 418 | rc = VERR_NO_STR_MEMORY;
|
---|
| 419 | pLookupRec->pSet = pRegSet;
|
---|
| 420 | pLookupRec->pDesc = &paRegisters[iDesc];
|
---|
| 421 | pLookupRec->pAlias = pCurAlias;
|
---|
| 422 | pLookupRec->pSubField = &paSubFields[iSubField];
|
---|
[35490] | 423 | pLookupRec++;
|
---|
[35466] | 424 | }
|
---|
| 425 | }
|
---|
| 426 |
|
---|
[35550] | 427 | /* Advance to the next alias. */
|
---|
[35466] | 428 | pCurAlias = pNextAlias++;
|
---|
[35490] | 429 | if (!pCurAlias)
|
---|
[35466] | 430 | break;
|
---|
| 431 | pszRegName = pCurAlias->pszName;
|
---|
[35490] | 432 | if (!pszRegName)
|
---|
| 433 | break;
|
---|
[35550] | 434 |
|
---|
| 435 | /* The alias record. */
|
---|
| 436 | strcpy(pszReg, pszRegName);
|
---|
[44399] | 437 | pLookupRec->Core.pszString = MMR3HeapStrDupU(pUVM, MM_TAG_DBGF_REG, szName);
|
---|
[35550] | 438 | if (!pLookupRec->Core.pszString)
|
---|
| 439 | rc = VERR_NO_STR_MEMORY;
|
---|
| 440 | pLookupRec->pSet = pRegSet;
|
---|
| 441 | pLookupRec->pDesc = &paRegisters[iDesc];
|
---|
| 442 | pLookupRec->pAlias = pCurAlias;
|
---|
| 443 | pLookupRec->pSubField = NULL;
|
---|
| 444 | pLookupRec++;
|
---|
[35466] | 445 | }
|
---|
| 446 | }
|
---|
[35490] | 447 | Assert(pLookupRec == &pRegSet->paLookupRecs[pRegSet->cLookupRecs]);
|
---|
[35466] | 448 |
|
---|
| 449 | if (RT_SUCCESS(rc))
|
---|
| 450 | {
|
---|
| 451 | /*
|
---|
| 452 | * Insert the record into the register set string space and optionally into
|
---|
| 453 | * the CPU register set cache.
|
---|
| 454 | */
|
---|
[44399] | 455 | DBGF_REG_DB_LOCK_WRITE(pUVM);
|
---|
[35466] | 456 |
|
---|
[44399] | 457 | bool fInserted = RTStrSpaceInsert(&pUVM->dbgf.s.RegSetSpace, &pRegSet->Core);
|
---|
[35466] | 458 | if (fInserted)
|
---|
| 459 | {
|
---|
[44399] | 460 | pUVM->dbgf.s.cRegs += pRegSet->cDescs;
|
---|
[35466] | 461 | if (enmType == DBGFREGSETTYPE_CPU)
|
---|
[35550] | 462 | {
|
---|
| 463 | if (pRegSet->cDescs > DBGFREG_ALL_COUNT)
|
---|
[44399] | 464 | pUVM->dbgf.s.cRegs -= pRegSet->cDescs - DBGFREG_ALL_COUNT;
|
---|
[35601] | 465 | if (!strcmp(pszPrefix, "cpu"))
|
---|
[44399] | 466 | pUVM->aCpus[iInstance].dbgf.s.pGuestRegSet = pRegSet;
|
---|
[35601] | 467 | else
|
---|
[44399] | 468 | pUVM->aCpus[iInstance].dbgf.s.pHyperRegSet = pRegSet;
|
---|
[35550] | 469 | }
|
---|
[35466] | 470 |
|
---|
| 471 | PDBGFREGLOOKUP paLookupRecs = pRegSet->paLookupRecs;
|
---|
| 472 | uint32_t iLookupRec = pRegSet->cLookupRecs;
|
---|
| 473 | while (iLookupRec-- > 0)
|
---|
| 474 | {
|
---|
[44399] | 475 | bool fInserted2 = RTStrSpaceInsert(&pUVM->dbgf.s.RegSpace, &paLookupRecs[iLookupRec].Core);
|
---|
[39034] | 476 | AssertMsg(fInserted2, ("'%s'", paLookupRecs[iLookupRec].Core.pszString)); NOREF(fInserted2);
|
---|
[35466] | 477 | }
|
---|
| 478 |
|
---|
[44399] | 479 | DBGF_REG_DB_UNLOCK_WRITE(pUVM);
|
---|
[35466] | 480 | return VINF_SUCCESS;
|
---|
| 481 | }
|
---|
| 482 |
|
---|
[44399] | 483 | DBGF_REG_DB_UNLOCK_WRITE(pUVM);
|
---|
[35466] | 484 | rc = VERR_DUPLICATE;
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | /*
|
---|
| 488 | * Bail out.
|
---|
| 489 | */
|
---|
| 490 | for (uint32_t i = 0; i < pRegSet->cLookupRecs; i++)
|
---|
| 491 | MMR3HeapFree((char *)pRegSet->paLookupRecs[i].Core.pszString);
|
---|
| 492 | MMR3HeapFree(pRegSet);
|
---|
| 493 |
|
---|
| 494 | return rc;
|
---|
[35410] | 495 | }
|
---|
[35312] | 496 |
|
---|
| 497 |
|
---|
[35410] | 498 | /**
|
---|
| 499 | * Registers a set of registers for a CPU.
|
---|
| 500 | *
|
---|
| 501 | * @returns VBox status code.
|
---|
[58122] | 502 | * @param pVM The cross context VM structure.
|
---|
[58123] | 503 | * @param pVCpu The cross context virtual CPU structure.
|
---|
[35410] | 504 | * @param paRegisters The register descriptors.
|
---|
[35601] | 505 | * @param fGuestRegs Set if it's the guest registers, clear if
|
---|
| 506 | * hypervisor registers.
|
---|
[35410] | 507 | */
|
---|
[35601] | 508 | VMMR3_INT_DECL(int) DBGFR3RegRegisterCpu(PVM pVM, PVMCPU pVCpu, PCDBGFREGDESC paRegisters, bool fGuestRegs)
|
---|
[35312] | 509 | {
|
---|
[44399] | 510 | PUVM pUVM = pVM->pUVM;
|
---|
| 511 | if (!pUVM->dbgf.s.fRegDbInitialized)
|
---|
[35490] | 512 | {
|
---|
[44399] | 513 | int rc = dbgfR3RegInit(pUVM);
|
---|
[35490] | 514 | if (RT_FAILURE(rc))
|
---|
| 515 | return rc;
|
---|
| 516 | }
|
---|
| 517 |
|
---|
[44399] | 518 | return dbgfR3RegRegisterCommon(pUVM, paRegisters, DBGFREGSETTYPE_CPU, pVCpu,
|
---|
| 519 | fGuestRegs ? "cpu" : "hypercpu", pVCpu->idCpu);
|
---|
[35410] | 520 | }
|
---|
[35312] | 521 |
|
---|
| 522 |
|
---|
[35410] | 523 | /**
|
---|
| 524 | * Registers a set of registers for a device.
|
---|
| 525 | *
|
---|
| 526 | * @returns VBox status code.
|
---|
[58122] | 527 | * @param pVM The cross context VM structure.
|
---|
[44691] | 528 | * @param paRegisters The register descriptors.
|
---|
| 529 | * @param pDevIns The device instance. This will be the callback user
|
---|
| 530 | * argument.
|
---|
| 531 | * @param pszPrefix The device name.
|
---|
| 532 | * @param iInstance The device instance.
|
---|
[35410] | 533 | */
|
---|
[44691] | 534 | VMMR3_INT_DECL(int) DBGFR3RegRegisterDevice(PVM pVM, PCDBGFREGDESC paRegisters, PPDMDEVINS pDevIns,
|
---|
| 535 | const char *pszPrefix, uint32_t iInstance)
|
---|
[35312] | 536 | {
|
---|
[35410] | 537 | AssertPtrReturn(paRegisters, VERR_INVALID_POINTER);
|
---|
| 538 | AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
|
---|
| 539 | AssertPtrReturn(pszPrefix, VERR_INVALID_POINTER);
|
---|
[35312] | 540 |
|
---|
[44399] | 541 | return dbgfR3RegRegisterCommon(pVM->pUVM, paRegisters, DBGFREGSETTYPE_DEVICE, pDevIns, pszPrefix, iInstance);
|
---|
[35410] | 542 | }
|
---|
[35312] | 543 |
|
---|
| 544 |
|
---|
[35410] | 545 | /**
|
---|
| 546 | * Clears the register value variable.
|
---|
| 547 | *
|
---|
| 548 | * @param pValue The variable to clear.
|
---|
| 549 | */
|
---|
| 550 | DECLINLINE(void) dbgfR3RegValClear(PDBGFREGVAL pValue)
|
---|
[35312] | 551 | {
|
---|
[35410] | 552 | pValue->au64[0] = 0;
|
---|
| 553 | pValue->au64[1] = 0;
|
---|
[66885] | 554 | pValue->au64[2] = 0;
|
---|
| 555 | pValue->au64[3] = 0;
|
---|
| 556 | pValue->au64[4] = 0;
|
---|
| 557 | pValue->au64[5] = 0;
|
---|
| 558 | pValue->au64[6] = 0;
|
---|
| 559 | pValue->au64[7] = 0;
|
---|
[35410] | 560 | }
|
---|
[35312] | 561 |
|
---|
| 562 |
|
---|
| 563 | /**
|
---|
[35513] | 564 | * Sets a 80-bit floating point variable to a 64-bit unsigned interger value.
|
---|
| 565 | *
|
---|
| 566 | * @param pValue The value.
|
---|
| 567 | * @param u64 The integer value.
|
---|
| 568 | */
|
---|
| 569 | DECLINLINE(void) dbgfR3RegValR80SetU64(PDBGFREGVAL pValue, uint64_t u64)
|
---|
| 570 | {
|
---|
| 571 | /** @todo fixme */
|
---|
| 572 | pValue->r80.s.fSign = 0;
|
---|
| 573 | pValue->r80.s.uExponent = 16383;
|
---|
| 574 | pValue->r80.s.u64Mantissa = u64;
|
---|
| 575 | }
|
---|
| 576 |
|
---|
| 577 |
|
---|
| 578 | /**
|
---|
| 579 | * Sets a 80-bit floating point variable to a 64-bit unsigned interger value.
|
---|
| 580 | *
|
---|
| 581 | * @param pValue The value.
|
---|
| 582 | * @param u128 The integer value.
|
---|
| 583 | */
|
---|
| 584 | DECLINLINE(void) dbgfR3RegValR80SetU128(PDBGFREGVAL pValue, RTUINT128U u128)
|
---|
| 585 | {
|
---|
| 586 | /** @todo fixme */
|
---|
| 587 | pValue->r80.s.fSign = 0;
|
---|
| 588 | pValue->r80.s.uExponent = 16383;
|
---|
| 589 | pValue->r80.s.u64Mantissa = u128.s.Lo;
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 |
|
---|
| 593 | /**
|
---|
| 594 | * Get a 80-bit floating point variable as a 64-bit unsigned integer.
|
---|
| 595 | *
|
---|
| 596 | * @returns 64-bit unsigned integer.
|
---|
| 597 | * @param pValue The value.
|
---|
| 598 | */
|
---|
| 599 | DECLINLINE(uint64_t) dbgfR3RegValR80GetU64(PCDBGFREGVAL pValue)
|
---|
| 600 | {
|
---|
| 601 | /** @todo stupid, stupid MSC. */
|
---|
| 602 | return pValue->r80.s.u64Mantissa;
|
---|
| 603 | }
|
---|
| 604 |
|
---|
| 605 |
|
---|
| 606 | /**
|
---|
| 607 | * Get a 80-bit floating point variable as a 128-bit unsigned integer.
|
---|
| 608 | *
|
---|
| 609 | * @returns 128-bit unsigned integer.
|
---|
| 610 | * @param pValue The value.
|
---|
| 611 | */
|
---|
| 612 | DECLINLINE(RTUINT128U) dbgfR3RegValR80GetU128(PCDBGFREGVAL pValue)
|
---|
| 613 | {
|
---|
| 614 | /** @todo stupid, stupid MSC. */
|
---|
| 615 | RTUINT128U uRet;
|
---|
| 616 | #if 0
|
---|
| 617 | uRet.s.Lo = (uint64_t)InVal.lrd;
|
---|
| 618 | uRet.s.Hi = (uint64_t)InVal.lrd / _4G / _4G;
|
---|
| 619 | #else
|
---|
| 620 | uRet.s.Lo = pValue->r80.s.u64Mantissa;
|
---|
| 621 | uRet.s.Hi = 0;
|
---|
| 622 | #endif
|
---|
| 623 | return uRet;
|
---|
| 624 | }
|
---|
| 625 |
|
---|
| 626 |
|
---|
| 627 | /**
|
---|
[35410] | 628 | * Performs a cast between register value types.
|
---|
| 629 | *
|
---|
| 630 | * @retval VINF_SUCCESS
|
---|
| 631 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 632 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 633 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 634 | *
|
---|
| 635 | * @param pValue The value to cast (input + output).
|
---|
| 636 | * @param enmFromType The input value.
|
---|
| 637 | * @param enmToType The desired output value.
|
---|
[35312] | 638 | */
|
---|
[35410] | 639 | static int dbgfR3RegValCast(PDBGFREGVAL pValue, DBGFREGVALTYPE enmFromType, DBGFREGVALTYPE enmToType)
|
---|
[35312] | 640 | {
|
---|
[35410] | 641 | DBGFREGVAL const InVal = *pValue;
|
---|
| 642 | dbgfR3RegValClear(pValue);
|
---|
[35312] | 643 |
|
---|
[35466] | 644 | /* Note! No default cases here as gcc warnings about missing enum values
|
---|
| 645 | are desired. */
|
---|
[35410] | 646 | switch (enmFromType)
|
---|
| 647 | {
|
---|
| 648 | case DBGFREGVALTYPE_U8:
|
---|
| 649 | switch (enmToType)
|
---|
| 650 | {
|
---|
| 651 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u8; return VINF_SUCCESS;
|
---|
| 652 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 653 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 654 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 655 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[66885] | 656 | case DBGFREGVALTYPE_U256: pValue->u256.Words.w0 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 657 | case DBGFREGVALTYPE_U512: pValue->u512.Words.w0 = InVal.u8; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[35513] | 658 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u8); return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[35410] | 659 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 660 |
|
---|
[35410] | 661 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 662 | case DBGFREGVALTYPE_END:
|
---|
| 663 | case DBGFREGVALTYPE_INVALID:
|
---|
| 664 | break;
|
---|
| 665 | }
|
---|
| 666 | break;
|
---|
[35312] | 667 |
|
---|
[35410] | 668 | case DBGFREGVALTYPE_U16:
|
---|
| 669 | switch (enmToType)
|
---|
| 670 | {
|
---|
| 671 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u16; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 672 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u16; return VINF_SUCCESS;
|
---|
| 673 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 674 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 675 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[66885] | 676 | case DBGFREGVALTYPE_U256: pValue->u256.Words.w0 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 677 | case DBGFREGVALTYPE_U512: pValue->u512.Words.w0 = InVal.u16; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[35513] | 678 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u16); return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[35410] | 679 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 680 |
|
---|
[35410] | 681 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 682 | case DBGFREGVALTYPE_END:
|
---|
| 683 | case DBGFREGVALTYPE_INVALID:
|
---|
| 684 | break;
|
---|
| 685 | }
|
---|
| 686 | break;
|
---|
[35312] | 687 |
|
---|
[35410] | 688 | case DBGFREGVALTYPE_U32:
|
---|
| 689 | switch (enmToType)
|
---|
| 690 | {
|
---|
| 691 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u32; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 692 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u32; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 693 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u32; return VINF_SUCCESS;
|
---|
| 694 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 695 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[66885] | 696 | case DBGFREGVALTYPE_U256: pValue->u256.DWords.dw0 = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
| 697 | case DBGFREGVALTYPE_U512: pValue->u512.DWords.dw0 = InVal.u32; return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[35513] | 698 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u32); return VINF_DBGF_ZERO_EXTENDED_REGISTER;
|
---|
[35410] | 699 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 700 |
|
---|
[35410] | 701 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 702 | case DBGFREGVALTYPE_END:
|
---|
| 703 | case DBGFREGVALTYPE_INVALID:
|
---|
| 704 | break;
|
---|
| 705 | }
|
---|
| 706 | break;
|
---|
[35312] | 707 |
|
---|
[35410] | 708 | case DBGFREGVALTYPE_U64:
|
---|
| 709 | switch (enmToType)
|
---|
| 710 | {
|
---|
| 711 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 712 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 713 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 714 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u64; return VINF_SUCCESS;
|
---|
| 715 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[66885] | 716 | case DBGFREGVALTYPE_U256: pValue->u256.QWords.qw0 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 717 | case DBGFREGVALTYPE_U512: pValue->u512.QWords.qw0 = InVal.u64; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[35513] | 718 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.u64); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[35410] | 719 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 720 |
|
---|
[35410] | 721 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 722 | case DBGFREGVALTYPE_END:
|
---|
| 723 | case DBGFREGVALTYPE_INVALID:
|
---|
| 724 | break;
|
---|
| 725 | }
|
---|
| 726 | break;
|
---|
[35312] | 727 |
|
---|
[35410] | 728 | case DBGFREGVALTYPE_U128:
|
---|
| 729 | switch (enmToType)
|
---|
| 730 | {
|
---|
| 731 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 732 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 733 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 734 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u128.s.Lo; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 735 | case DBGFREGVALTYPE_U128: pValue->u128 = InVal.u128; return VINF_SUCCESS;
|
---|
[66885] | 736 | case DBGFREGVALTYPE_U256: pValue->u256.DQWords.dqw0 = InVal.u128; return VINF_SUCCESS;
|
---|
| 737 | case DBGFREGVALTYPE_U512: pValue->u512.DQWords.dqw0 = InVal.u128; return VINF_SUCCESS;
|
---|
[35513] | 738 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU128(pValue, InVal.u128); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[35410] | 739 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 740 |
|
---|
[35410] | 741 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 742 | case DBGFREGVALTYPE_END:
|
---|
| 743 | case DBGFREGVALTYPE_INVALID:
|
---|
| 744 | break;
|
---|
| 745 | }
|
---|
| 746 | break;
|
---|
[35312] | 747 |
|
---|
[66885] | 748 | case DBGFREGVALTYPE_U256:
|
---|
| 749 | switch (enmToType)
|
---|
| 750 | {
|
---|
| 751 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u256.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 752 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u256.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 753 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u256.DWords.dw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 754 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u256.QWords.qw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 755 | case DBGFREGVALTYPE_U128: pValue->u128 = InVal.u256.DQWords.dqw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 756 | case DBGFREGVALTYPE_U256: pValue->u256 = InVal.u256; return VINF_SUCCESS;
|
---|
| 757 | case DBGFREGVALTYPE_U512: pValue->u512.OWords.ow0 = InVal.u256; return VINF_SUCCESS;
|
---|
| 758 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU128(pValue, InVal.u256.DQWords.dqw0); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 759 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
| 760 |
|
---|
| 761 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 762 | case DBGFREGVALTYPE_END:
|
---|
| 763 | case DBGFREGVALTYPE_INVALID:
|
---|
| 764 | break;
|
---|
| 765 | }
|
---|
| 766 | break;
|
---|
| 767 |
|
---|
| 768 | case DBGFREGVALTYPE_U512:
|
---|
| 769 | switch (enmToType)
|
---|
| 770 | {
|
---|
| 771 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.u512.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 772 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.u512.Words.w0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 773 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.u512.DWords.dw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 774 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.u512.QWords.qw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 775 | case DBGFREGVALTYPE_U128: pValue->u128 = InVal.u512.DQWords.dqw0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 776 | case DBGFREGVALTYPE_U256: pValue->u256 = InVal.u512.OWords.ow0; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 777 | case DBGFREGVALTYPE_U512: pValue->u512 = InVal.u512; return VINF_SUCCESS;
|
---|
| 778 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU128(pValue, InVal.u512.DQWords.dqw0); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 779 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
| 780 |
|
---|
| 781 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 782 | case DBGFREGVALTYPE_END:
|
---|
| 783 | case DBGFREGVALTYPE_INVALID:
|
---|
| 784 | break;
|
---|
| 785 | }
|
---|
| 786 | break;
|
---|
| 787 |
|
---|
[35513] | 788 | case DBGFREGVALTYPE_R80:
|
---|
[35410] | 789 | switch (enmToType)
|
---|
| 790 | {
|
---|
[35513] | 791 | case DBGFREGVALTYPE_U8: pValue->u8 = (uint8_t )dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 792 | case DBGFREGVALTYPE_U16: pValue->u16 = (uint16_t)dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 793 | case DBGFREGVALTYPE_U32: pValue->u32 = (uint32_t)dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 794 | case DBGFREGVALTYPE_U64: pValue->u64 = (uint64_t)dbgfR3RegValR80GetU64(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 795 | case DBGFREGVALTYPE_U128: pValue->u128 = dbgfR3RegValR80GetU128(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[66885] | 796 | case DBGFREGVALTYPE_U256: pValue->u256.DQWords.dqw0 = dbgfR3RegValR80GetU128(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 797 | case DBGFREGVALTYPE_U512: pValue->u512.DQWords.dqw0 = dbgfR3RegValR80GetU128(&InVal); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[35513] | 798 | case DBGFREGVALTYPE_R80: pValue->r80 = InVal.r80; return VINF_SUCCESS;
|
---|
| 799 | case DBGFREGVALTYPE_DTR: return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 800 |
|
---|
[35410] | 801 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 802 | case DBGFREGVALTYPE_END:
|
---|
| 803 | case DBGFREGVALTYPE_INVALID:
|
---|
| 804 | break;
|
---|
| 805 | }
|
---|
| 806 | break;
|
---|
[35312] | 807 |
|
---|
[35410] | 808 | case DBGFREGVALTYPE_DTR:
|
---|
| 809 | switch (enmToType)
|
---|
| 810 | {
|
---|
| 811 | case DBGFREGVALTYPE_U8: pValue->u8 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 812 | case DBGFREGVALTYPE_U16: pValue->u16 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 813 | case DBGFREGVALTYPE_U32: pValue->u32 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 814 | case DBGFREGVALTYPE_U64: pValue->u64 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 815 | case DBGFREGVALTYPE_U128: pValue->u128.s.Lo = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[66885] | 816 | case DBGFREGVALTYPE_U256: pValue->u256.QWords.qw0 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 817 | case DBGFREGVALTYPE_U512: pValue->u512.QWords.qw0 = InVal.dtr.u64Base; return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[35513] | 818 | case DBGFREGVALTYPE_R80: dbgfR3RegValR80SetU64(pValue, InVal.dtr.u64Base); return VINF_DBGF_TRUNCATED_REGISTER;
|
---|
[35410] | 819 | case DBGFREGVALTYPE_DTR: pValue->dtr = InVal.dtr; return VINF_SUCCESS;
|
---|
[35312] | 820 |
|
---|
[35410] | 821 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 822 | case DBGFREGVALTYPE_END:
|
---|
| 823 | case DBGFREGVALTYPE_INVALID:
|
---|
| 824 | break;
|
---|
| 825 | }
|
---|
| 826 | break;
|
---|
[35312] | 827 |
|
---|
[35410] | 828 | case DBGFREGVALTYPE_INVALID:
|
---|
| 829 | case DBGFREGVALTYPE_END:
|
---|
| 830 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 831 | break;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | AssertMsgFailed(("%d / %d\n", enmFromType, enmToType));
|
---|
| 835 | return VERR_DBGF_UNSUPPORTED_CAST;
|
---|
[35312] | 836 | }
|
---|
| 837 |
|
---|
| 838 |
|
---|
| 839 | /**
|
---|
[35410] | 840 | * Worker for the CPU register queries.
|
---|
[31491] | 841 | *
|
---|
[35410] | 842 | * @returns VBox status code.
|
---|
[31491] | 843 | * @retval VINF_SUCCESS
|
---|
[35410] | 844 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 845 | * @retval VERR_INVALID_CPU_ID
|
---|
[35466] | 846 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35410] | 847 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 848 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 849 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
[31491] | 850 | *
|
---|
[44399] | 851 | * @param pUVM The user mode VM handle.
|
---|
[35410] | 852 | * @param idCpu The virtual CPU ID.
|
---|
| 853 | * @param enmReg The register to query.
|
---|
| 854 | * @param enmType The desired return type.
|
---|
[35606] | 855 | * @param fGuestRegs Query guest CPU registers if set (true),
|
---|
| 856 | * hypervisor CPU registers if clear (false).
|
---|
[35466] | 857 | * @param pValue Where to return the register value.
|
---|
[31491] | 858 | */
|
---|
[44399] | 859 | static DECLCALLBACK(int) dbgfR3RegCpuQueryWorkerOnCpu(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, DBGFREGVALTYPE enmType,
|
---|
[35606] | 860 | bool fGuestRegs, PDBGFREGVAL pValue)
|
---|
[31491] | 861 | {
|
---|
[35410] | 862 | int rc = VINF_SUCCESS;
|
---|
[44399] | 863 | DBGF_REG_DB_LOCK_READ(pUVM);
|
---|
[31491] | 864 |
|
---|
[35410] | 865 | /*
|
---|
[35466] | 866 | * Look up the register set of the specified CPU.
|
---|
[35410] | 867 | */
|
---|
[35606] | 868 | PDBGFREGSET pSet = fGuestRegs
|
---|
[44399] | 869 | ? pUVM->aCpus[idCpu].dbgf.s.pGuestRegSet
|
---|
| 870 | : pUVM->aCpus[idCpu].dbgf.s.pHyperRegSet;
|
---|
[35410] | 871 | if (RT_LIKELY(pSet))
|
---|
[31491] | 872 | {
|
---|
[35410] | 873 | /*
|
---|
| 874 | * Look up the register and get the register value.
|
---|
| 875 | */
|
---|
| 876 | if (RT_LIKELY(pSet->cDescs > (size_t)enmReg))
|
---|
[35312] | 877 | {
|
---|
[35410] | 878 | PCDBGFREGDESC pDesc = &pSet->paDescs[enmReg];
|
---|
[31491] | 879 |
|
---|
[35466] | 880 | pValue->au64[0] = pValue->au64[1] = 0;
|
---|
| 881 | rc = pDesc->pfnGet(pSet->uUserArg.pv, pDesc, pValue);
|
---|
[35410] | 882 | if (RT_SUCCESS(rc))
|
---|
| 883 | {
|
---|
| 884 | /*
|
---|
| 885 | * Do the cast if the desired return type doesn't match what
|
---|
| 886 | * the getter returned.
|
---|
| 887 | */
|
---|
| 888 | if (pDesc->enmType == enmType)
|
---|
| 889 | rc = VINF_SUCCESS;
|
---|
| 890 | else
|
---|
[35466] | 891 | rc = dbgfR3RegValCast(pValue, pDesc->enmType, enmType);
|
---|
[35410] | 892 | }
|
---|
[35312] | 893 | }
|
---|
[35410] | 894 | else
|
---|
[35466] | 895 | rc = VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
[31491] | 896 | }
|
---|
[35410] | 897 | else
|
---|
| 898 | rc = VERR_INVALID_CPU_ID;
|
---|
[31491] | 899 |
|
---|
[44399] | 900 | DBGF_REG_DB_UNLOCK_READ(pUVM);
|
---|
[35410] | 901 | return rc;
|
---|
[31491] | 902 | }
|
---|
| 903 |
|
---|
| 904 |
|
---|
| 905 | /**
|
---|
[35606] | 906 | * Internal worker for the CPU register query functions.
|
---|
| 907 | *
|
---|
| 908 | * @returns VBox status code.
|
---|
| 909 | * @retval VINF_SUCCESS
|
---|
| 910 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 911 | * @retval VERR_INVALID_CPU_ID
|
---|
| 912 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 913 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 914 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 915 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 916 | *
|
---|
[44399] | 917 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 918 | * @param idCpu The virtual CPU ID. Can be OR'ed with
|
---|
| 919 | * DBGFREG_HYPER_VMCPUID.
|
---|
| 920 | * @param enmReg The register to query.
|
---|
| 921 | * @param enmType The desired return type.
|
---|
| 922 | * @param pValue Where to return the register value.
|
---|
| 923 | */
|
---|
[44399] | 924 | static int dbgfR3RegCpuQueryWorker(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, DBGFREGVALTYPE enmType, PDBGFREGVAL pValue)
|
---|
[35606] | 925 | {
|
---|
[44399] | 926 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 927 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
[35606] | 928 | AssertMsgReturn(enmReg >= DBGFREG_AL && enmReg <= DBGFREG_END, ("%d\n", enmReg), VERR_INVALID_PARAMETER);
|
---|
| 929 |
|
---|
[35607] | 930 | bool const fGuestRegs = !(idCpu & DBGFREG_HYPER_VMCPUID);
|
---|
[35606] | 931 | idCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
[44399] | 932 | AssertReturn(idCpu < pUVM->cCpus, VERR_INVALID_CPU_ID);
|
---|
[35606] | 933 |
|
---|
[44399] | 934 | return VMR3ReqPriorityCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3RegCpuQueryWorkerOnCpu, 6,
|
---|
| 935 | pUVM, idCpu, enmReg, enmType, fGuestRegs, pValue);
|
---|
[35606] | 936 | }
|
---|
| 937 |
|
---|
| 938 |
|
---|
| 939 | /**
|
---|
[35410] | 940 | * Queries a 8-bit CPU register value.
|
---|
[31491] | 941 | *
|
---|
| 942 | * @retval VINF_SUCCESS
|
---|
| 943 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 944 | * @retval VERR_INVALID_CPU_ID
|
---|
[35466] | 945 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35410] | 946 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
[31491] | 947 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 948 | *
|
---|
[44399] | 949 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 950 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 951 | * DBGFREG_HYPER_VMCPUID.
|
---|
[31491] | 952 | * @param enmReg The register that's being queried.
|
---|
| 953 | * @param pu8 Where to store the register value.
|
---|
| 954 | */
|
---|
[44399] | 955 | VMMR3DECL(int) DBGFR3RegCpuQueryU8(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint8_t *pu8)
|
---|
[31491] | 956 | {
|
---|
[35410] | 957 | DBGFREGVAL Value;
|
---|
[44399] | 958 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U8, &Value);
|
---|
[31491] | 959 | if (RT_SUCCESS(rc))
|
---|
[35410] | 960 | *pu8 = Value.u8;
|
---|
[31491] | 961 | else
|
---|
| 962 | *pu8 = 0;
|
---|
| 963 | return rc;
|
---|
| 964 | }
|
---|
| 965 |
|
---|
| 966 |
|
---|
| 967 | /**
|
---|
[35410] | 968 | * Queries a 16-bit CPU register value.
|
---|
[31491] | 969 | *
|
---|
| 970 | * @retval VINF_SUCCESS
|
---|
| 971 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 972 | * @retval VERR_INVALID_CPU_ID
|
---|
[35466] | 973 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35410] | 974 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
[31491] | 975 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 976 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 977 | *
|
---|
[44399] | 978 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 979 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 980 | * DBGFREG_HYPER_VMCPUID.
|
---|
[31491] | 981 | * @param enmReg The register that's being queried.
|
---|
| 982 | * @param pu16 Where to store the register value.
|
---|
| 983 | */
|
---|
[44399] | 984 | VMMR3DECL(int) DBGFR3RegCpuQueryU16(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint16_t *pu16)
|
---|
[31491] | 985 | {
|
---|
[35410] | 986 | DBGFREGVAL Value;
|
---|
[44399] | 987 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U16, &Value);
|
---|
[31491] | 988 | if (RT_SUCCESS(rc))
|
---|
[35410] | 989 | *pu16 = Value.u16;
|
---|
[31491] | 990 | else
|
---|
| 991 | *pu16 = 0;
|
---|
| 992 | return rc;
|
---|
| 993 | }
|
---|
| 994 |
|
---|
| 995 |
|
---|
| 996 | /**
|
---|
[35410] | 997 | * Queries a 32-bit CPU register value.
|
---|
[31491] | 998 | *
|
---|
| 999 | * @retval VINF_SUCCESS
|
---|
| 1000 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1001 | * @retval VERR_INVALID_CPU_ID
|
---|
[35466] | 1002 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35410] | 1003 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
[31491] | 1004 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1005 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1006 | *
|
---|
[44399] | 1007 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 1008 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 1009 | * DBGFREG_HYPER_VMCPUID.
|
---|
[31491] | 1010 | * @param enmReg The register that's being queried.
|
---|
| 1011 | * @param pu32 Where to store the register value.
|
---|
| 1012 | */
|
---|
[44399] | 1013 | VMMR3DECL(int) DBGFR3RegCpuQueryU32(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint32_t *pu32)
|
---|
[31491] | 1014 | {
|
---|
[35410] | 1015 | DBGFREGVAL Value;
|
---|
[44399] | 1016 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U32, &Value);
|
---|
[31491] | 1017 | if (RT_SUCCESS(rc))
|
---|
[35410] | 1018 | *pu32 = Value.u32;
|
---|
[31491] | 1019 | else
|
---|
| 1020 | *pu32 = 0;
|
---|
| 1021 | return rc;
|
---|
| 1022 | }
|
---|
| 1023 |
|
---|
| 1024 |
|
---|
| 1025 | /**
|
---|
[35410] | 1026 | * Queries a 64-bit CPU register value.
|
---|
[31491] | 1027 | *
|
---|
| 1028 | * @retval VINF_SUCCESS
|
---|
| 1029 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1030 | * @retval VERR_INVALID_CPU_ID
|
---|
[35466] | 1031 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35410] | 1032 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
[31491] | 1033 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1034 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1035 | *
|
---|
[44399] | 1036 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 1037 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 1038 | * DBGFREG_HYPER_VMCPUID.
|
---|
[31491] | 1039 | * @param enmReg The register that's being queried.
|
---|
| 1040 | * @param pu64 Where to store the register value.
|
---|
| 1041 | */
|
---|
[44399] | 1042 | VMMR3DECL(int) DBGFR3RegCpuQueryU64(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint64_t *pu64)
|
---|
[31491] | 1043 | {
|
---|
[35410] | 1044 | DBGFREGVAL Value;
|
---|
[44399] | 1045 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_U64, &Value);
|
---|
[31491] | 1046 | if (RT_SUCCESS(rc))
|
---|
[35410] | 1047 | *pu64 = Value.u64;
|
---|
[31491] | 1048 | else
|
---|
| 1049 | *pu64 = 0;
|
---|
| 1050 | return rc;
|
---|
| 1051 | }
|
---|
| 1052 |
|
---|
[73417] | 1053 |
|
---|
| 1054 | /**
|
---|
| 1055 | * Queries a descriptor table register value.
|
---|
| 1056 | *
|
---|
| 1057 | * @retval VINF_SUCCESS
|
---|
| 1058 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1059 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1060 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1061 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1062 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1063 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1064 | *
|
---|
| 1065 | * @param pUVM The user mode VM handle.
|
---|
| 1066 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 1067 | * DBGFREG_HYPER_VMCPUID.
|
---|
| 1068 | * @param enmReg The register that's being queried.
|
---|
| 1069 | * @param pu64Base Where to store the register base value.
|
---|
| 1070 | * @param pu16Limit Where to store the register limit value.
|
---|
| 1071 | */
|
---|
| 1072 | VMMR3DECL(int) DBGFR3RegCpuQueryXdtr(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint64_t *pu64Base, uint16_t *pu16Limit)
|
---|
| 1073 | {
|
---|
| 1074 | DBGFREGVAL Value;
|
---|
| 1075 | int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_DTR, &Value);
|
---|
| 1076 | if (RT_SUCCESS(rc))
|
---|
| 1077 | {
|
---|
| 1078 | *pu64Base = Value.dtr.u64Base;
|
---|
| 1079 | *pu16Limit = Value.dtr.u32Limit;
|
---|
| 1080 | }
|
---|
| 1081 | else
|
---|
| 1082 | {
|
---|
| 1083 | *pu64Base = 0;
|
---|
| 1084 | *pu16Limit = 0;
|
---|
| 1085 | }
|
---|
| 1086 | return rc;
|
---|
| 1087 | }
|
---|
| 1088 |
|
---|
| 1089 |
|
---|
[35606] | 1090 | #if 0 /* rewrite / remove */
|
---|
[35312] | 1091 |
|
---|
| 1092 | /**
|
---|
[35410] | 1093 | * Wrapper around CPUMQueryGuestMsr for dbgfR3RegCpuQueryBatchWorker.
|
---|
[35312] | 1094 | *
|
---|
| 1095 | * @retval VINF_SUCCESS
|
---|
[35466] | 1096 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35312] | 1097 | *
|
---|
[58123] | 1098 | * @param pVCpu The cross context virtual CPU structure of the calling EMT.
|
---|
[35312] | 1099 | * @param pReg The where to store the register value and
|
---|
| 1100 | * size.
|
---|
| 1101 | * @param idMsr The MSR to get.
|
---|
| 1102 | */
|
---|
| 1103 | static void dbgfR3RegGetMsrBatch(PVMCPU pVCpu, PDBGFREGENTRY pReg, uint32_t idMsr)
|
---|
| 1104 | {
|
---|
| 1105 | pReg->enmType = DBGFREGVALTYPE_U64;
|
---|
| 1106 | int rc = CPUMQueryGuestMsr(pVCpu, idMsr, &pReg->Val.u64);
|
---|
| 1107 | if (RT_FAILURE(rc))
|
---|
| 1108 | {
|
---|
| 1109 | AssertMsg(rc == VERR_CPUM_RAISE_GP_0, ("%Rrc\n", rc));
|
---|
| 1110 | pReg->Val.u64 = 0;
|
---|
| 1111 | }
|
---|
| 1112 | }
|
---|
| 1113 |
|
---|
| 1114 |
|
---|
[44399] | 1115 | static DECLCALLBACK(int) dbgfR3RegCpuQueryBatchWorker(PUVM pUVM, VMCPUID idCpu, PDBGFREGENTRY paRegs, size_t cRegs)
|
---|
[35312] | 1116 | {
|
---|
[35410] | 1117 | #if 0
|
---|
[44399] | 1118 | PVMCPU pVCpu = &pUVM->pVM->aCpus[idCpu];
|
---|
[35312] | 1119 | PCCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
|
---|
| 1120 |
|
---|
| 1121 | PDBGFREGENTRY pReg = paRegs - 1;
|
---|
| 1122 | while (cRegs-- > 0)
|
---|
| 1123 | {
|
---|
| 1124 | pReg++;
|
---|
| 1125 | pReg->Val.au64[0] = 0;
|
---|
| 1126 | pReg->Val.au64[1] = 0;
|
---|
| 1127 |
|
---|
| 1128 | DBGFREG const enmReg = pReg->enmReg;
|
---|
[35466] | 1129 | AssertMsgReturn(enmReg >= 0 && enmReg <= DBGFREG_END, ("%d (%#x)\n", enmReg, enmReg), VERR_DBGF_REGISTER_NOT_FOUND);
|
---|
[35312] | 1130 | if (enmReg != DBGFREG_END)
|
---|
| 1131 | {
|
---|
| 1132 | PCDBGFREGDESC pDesc = &g_aDbgfRegDescs[enmReg];
|
---|
| 1133 | if (!pDesc->pfnGet)
|
---|
| 1134 | {
|
---|
| 1135 | PCRTUINT128U pu = (PCRTUINT128U)((uintptr_t)pCtx + pDesc->offCtx);
|
---|
| 1136 | pReg->enmType = pDesc->enmType;
|
---|
| 1137 | switch (pDesc->enmType)
|
---|
| 1138 | {
|
---|
| 1139 | case DBGFREGVALTYPE_U8: pReg->Val.u8 = pu->au8[0]; break;
|
---|
| 1140 | case DBGFREGVALTYPE_U16: pReg->Val.u16 = pu->au16[0]; break;
|
---|
| 1141 | case DBGFREGVALTYPE_U32: pReg->Val.u32 = pu->au32[0]; break;
|
---|
| 1142 | case DBGFREGVALTYPE_U64: pReg->Val.u64 = pu->au64[0]; break;
|
---|
| 1143 | case DBGFREGVALTYPE_U128:
|
---|
| 1144 | pReg->Val.au64[0] = pu->au64[0];
|
---|
| 1145 | pReg->Val.au64[1] = pu->au64[1];
|
---|
| 1146 | break;
|
---|
[35513] | 1147 | case DBGFREGVALTYPE_R80:
|
---|
[35312] | 1148 | pReg->Val.au64[0] = pu->au64[0];
|
---|
| 1149 | pReg->Val.au16[5] = pu->au16[5];
|
---|
| 1150 | break;
|
---|
| 1151 | default:
|
---|
[39405] | 1152 | AssertMsgFailedReturn(("%s %d\n", pDesc->pszName, pDesc->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
|
---|
[35312] | 1153 | }
|
---|
| 1154 | }
|
---|
| 1155 | else
|
---|
| 1156 | {
|
---|
| 1157 | int rc = pDesc->pfnGet(pVCpu, pDesc, pCtx, &pReg->Val.u);
|
---|
| 1158 | if (RT_FAILURE(rc))
|
---|
| 1159 | return rc;
|
---|
| 1160 | }
|
---|
| 1161 | }
|
---|
| 1162 | }
|
---|
| 1163 | return VINF_SUCCESS;
|
---|
[35410] | 1164 | #else
|
---|
| 1165 | return VERR_NOT_IMPLEMENTED;
|
---|
| 1166 | #endif
|
---|
[35312] | 1167 | }
|
---|
| 1168 |
|
---|
| 1169 |
|
---|
| 1170 | /**
|
---|
| 1171 | * Query a batch of registers.
|
---|
| 1172 | *
|
---|
| 1173 | * @retval VINF_SUCCESS
|
---|
| 1174 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1175 | * @retval VERR_INVALID_CPU_ID
|
---|
[35466] | 1176 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
[35312] | 1177 | *
|
---|
[44399] | 1178 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 1179 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 1180 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35312] | 1181 | * @param paRegs Pointer to an array of @a cRegs elements. On
|
---|
| 1182 | * input the enmReg members indicates which
|
---|
| 1183 | * registers to query. On successful return the
|
---|
| 1184 | * other members are set. DBGFREG_END can be used
|
---|
| 1185 | * as a filler.
|
---|
| 1186 | * @param cRegs The number of entries in @a paRegs.
|
---|
| 1187 | */
|
---|
[44399] | 1188 | VMMR3DECL(int) DBGFR3RegCpuQueryBatch(PUVM pUVM, VMCPUID idCpu, PDBGFREGENTRY paRegs, size_t cRegs)
|
---|
[35312] | 1189 | {
|
---|
[44399] | 1190 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
|
---|
| 1191 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
|
---|
| 1192 | AssertReturn(idCpu < pUVM->cCpus, VERR_INVALID_CPU_ID);
|
---|
[35312] | 1193 | if (!cRegs)
|
---|
| 1194 | return VINF_SUCCESS;
|
---|
| 1195 | AssertReturn(cRegs < _1M, VERR_OUT_OF_RANGE);
|
---|
| 1196 | AssertPtrReturn(paRegs, VERR_INVALID_POINTER);
|
---|
| 1197 | size_t iReg = cRegs;
|
---|
| 1198 | while (iReg-- > 0)
|
---|
| 1199 | {
|
---|
| 1200 | DBGFREG enmReg = paRegs[iReg].enmReg;
|
---|
[35466] | 1201 | AssertMsgReturn(enmReg < DBGFREG_END && enmReg >= DBGFREG_AL, ("%d (%#x)", enmReg, enmReg), VERR_DBGF_REGISTER_NOT_FOUND);
|
---|
[35312] | 1202 | }
|
---|
| 1203 |
|
---|
[44399] | 1204 | return VMR3ReqCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3RegCpuQueryBatchWorker, 4, pUVM, idCpu, paRegs, cRegs);
|
---|
[35312] | 1205 | }
|
---|
| 1206 |
|
---|
| 1207 |
|
---|
| 1208 | /**
|
---|
[35609] | 1209 | * Query all registers for a Virtual CPU.
|
---|
[35312] | 1210 | *
|
---|
| 1211 | * @retval VINF_SUCCESS
|
---|
| 1212 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1213 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1214 | *
|
---|
[44399] | 1215 | * @param pUVM The user mode VM handle.
|
---|
[35606] | 1216 | * @param idCpu The target CPU ID. Can be OR'ed with
|
---|
| 1217 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35312] | 1218 | * @param paRegs Pointer to an array of @a cRegs elements.
|
---|
| 1219 | * These will be filled with the CPU register
|
---|
| 1220 | * values. Overflowing entries will be set to
|
---|
| 1221 | * DBGFREG_END. The returned registers can be
|
---|
| 1222 | * accessed by using the DBGFREG values as index.
|
---|
| 1223 | * @param cRegs The number of entries in @a paRegs. The
|
---|
| 1224 | * recommended value is DBGFREG_ALL_COUNT.
|
---|
| 1225 | */
|
---|
[44399] | 1226 | VMMR3DECL(int) DBGFR3RegCpuQueryAll(PUVM pUVM, VMCPUID idCpu, PDBGFREGENTRY paRegs, size_t cRegs)
|
---|
[35312] | 1227 | {
|
---|
| 1228 | /*
|
---|
| 1229 | * Validate input.
|
---|
| 1230 | */
|
---|
[44399] | 1231 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
|
---|
| 1232 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
|
---|
| 1233 | AssertReturn(idCpu < pUVM->cCpus, VERR_INVALID_CPU_ID);
|
---|
[35312] | 1234 | if (!cRegs)
|
---|
| 1235 | return VINF_SUCCESS;
|
---|
| 1236 | AssertReturn(cRegs < _1M, VERR_OUT_OF_RANGE);
|
---|
| 1237 | AssertPtrReturn(paRegs, VERR_INVALID_POINTER);
|
---|
| 1238 |
|
---|
| 1239 | /*
|
---|
| 1240 | * Convert it into a batch query (lazy bird).
|
---|
| 1241 | */
|
---|
| 1242 | unsigned iReg = 0;
|
---|
| 1243 | while (iReg < cRegs && iReg < DBGFREG_ALL_COUNT)
|
---|
| 1244 | {
|
---|
| 1245 | paRegs[iReg].enmReg = (DBGFREG)iReg;
|
---|
| 1246 | iReg++;
|
---|
| 1247 | }
|
---|
| 1248 | while (iReg < cRegs)
|
---|
| 1249 | paRegs[iReg++].enmReg = DBGFREG_END;
|
---|
| 1250 |
|
---|
[44399] | 1251 | return VMR3ReqCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3RegCpuQueryBatchWorker, 4, pUVM, idCpu, paRegs, cRegs);
|
---|
[35312] | 1252 | }
|
---|
| 1253 |
|
---|
[35606] | 1254 | #endif /* rewrite or remove? */
|
---|
[35312] | 1255 |
|
---|
| 1256 | /**
|
---|
| 1257 | * Gets the name of a register.
|
---|
| 1258 | *
|
---|
| 1259 | * @returns Pointer to read-only register name (lower case). NULL if the
|
---|
| 1260 | * parameters are invalid.
|
---|
[35466] | 1261 | *
|
---|
[44399] | 1262 | * @param pUVM The user mode VM handle.
|
---|
[35312] | 1263 | * @param enmReg The register identifier.
|
---|
| 1264 | * @param enmType The register type. This is for sort out
|
---|
| 1265 | * aliases. Pass DBGFREGVALTYPE_INVALID to get
|
---|
| 1266 | * the standard name.
|
---|
| 1267 | */
|
---|
[44399] | 1268 | VMMR3DECL(const char *) DBGFR3RegCpuName(PUVM pUVM, DBGFREG enmReg, DBGFREGVALTYPE enmType)
|
---|
[35312] | 1269 | {
|
---|
| 1270 | AssertReturn(enmReg >= DBGFREG_AL && enmReg < DBGFREG_END, NULL);
|
---|
| 1271 | AssertReturn(enmType >= DBGFREGVALTYPE_INVALID && enmType < DBGFREGVALTYPE_END, NULL);
|
---|
[44399] | 1272 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
|
---|
| 1273 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
|
---|
[35312] | 1274 |
|
---|
[44399] | 1275 | PCDBGFREGSET pSet = pUVM->aCpus[0].dbgf.s.pGuestRegSet;
|
---|
[35466] | 1276 | if (RT_UNLIKELY(!pSet))
|
---|
| 1277 | return NULL;
|
---|
| 1278 |
|
---|
| 1279 | PCDBGFREGDESC pDesc = &pSet->paDescs[enmReg];
|
---|
| 1280 | PCDBGFREGALIAS pAlias = pDesc->paAliases;
|
---|
[35312] | 1281 | if ( pAlias
|
---|
| 1282 | && pDesc->enmType != enmType
|
---|
| 1283 | && enmType != DBGFREGVALTYPE_INVALID)
|
---|
| 1284 | {
|
---|
| 1285 | while (pAlias->pszName)
|
---|
| 1286 | {
|
---|
| 1287 | if (pAlias->enmType == enmType)
|
---|
| 1288 | return pAlias->pszName;
|
---|
| 1289 | pAlias++;
|
---|
| 1290 | }
|
---|
| 1291 | }
|
---|
| 1292 |
|
---|
| 1293 | return pDesc->pszName;
|
---|
| 1294 | }
|
---|
| 1295 |
|
---|
[35466] | 1296 |
|
---|
| 1297 | /**
|
---|
| 1298 | * Fold the string to lower case and copy it into the destination buffer.
|
---|
| 1299 | *
|
---|
| 1300 | * @returns Number of folder characters, -1 on overflow.
|
---|
| 1301 | * @param pszSrc The source string.
|
---|
| 1302 | * @param cchSrc How much to fold and copy.
|
---|
| 1303 | * @param pszDst The output buffer.
|
---|
| 1304 | * @param cbDst The size of the output buffer.
|
---|
| 1305 | */
|
---|
| 1306 | static ssize_t dbgfR3RegCopyToLower(const char *pszSrc, size_t cchSrc, char *pszDst, size_t cbDst)
|
---|
| 1307 | {
|
---|
| 1308 | ssize_t cchFolded = 0;
|
---|
| 1309 | char ch;
|
---|
| 1310 | while (cchSrc-- > 0 && (ch = *pszSrc++))
|
---|
| 1311 | {
|
---|
| 1312 | if (RT_UNLIKELY(cbDst <= 1))
|
---|
| 1313 | return -1;
|
---|
| 1314 | cbDst--;
|
---|
| 1315 |
|
---|
| 1316 | char chLower = RT_C_TO_LOWER(ch);
|
---|
| 1317 | cchFolded += chLower != ch;
|
---|
| 1318 | *pszDst++ = chLower;
|
---|
| 1319 | }
|
---|
| 1320 | if (RT_UNLIKELY(!cbDst))
|
---|
| 1321 | return -1;
|
---|
| 1322 | *pszDst = '\0';
|
---|
| 1323 | return cchFolded;
|
---|
| 1324 | }
|
---|
| 1325 |
|
---|
| 1326 |
|
---|
| 1327 | /**
|
---|
| 1328 | * Resolves the register name.
|
---|
| 1329 | *
|
---|
| 1330 | * @returns Lookup record.
|
---|
[44399] | 1331 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1332 | * @param idDefCpu The default CPU ID set.
|
---|
| 1333 | * @param pszReg The register name.
|
---|
[35606] | 1334 | * @param fGuestRegs Default to guest CPU registers if set, the
|
---|
| 1335 | * hypervisor CPU registers if clear.
|
---|
[35466] | 1336 | */
|
---|
[44399] | 1337 | static PCDBGFREGLOOKUP dbgfR3RegResolve(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, bool fGuestRegs)
|
---|
[35466] | 1338 | {
|
---|
[44399] | 1339 | DBGF_REG_DB_LOCK_READ(pUVM);
|
---|
[35466] | 1340 |
|
---|
| 1341 | /* Try looking up the name without any case folding or cpu prefixing. */
|
---|
[44399] | 1342 | PRTSTRSPACE pRegSpace = &pUVM->dbgf.s.RegSpace;
|
---|
| 1343 | PCDBGFREGLOOKUP pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, pszReg);
|
---|
[35466] | 1344 | if (!pLookupRec)
|
---|
| 1345 | {
|
---|
| 1346 | char szName[DBGF_REG_MAX_NAME * 4 + 16];
|
---|
| 1347 |
|
---|
| 1348 | /* Lower case it and try again. */
|
---|
| 1349 | ssize_t cchFolded = dbgfR3RegCopyToLower(pszReg, RTSTR_MAX, szName, sizeof(szName) - DBGF_REG_MAX_NAME);
|
---|
| 1350 | if (cchFolded > 0)
|
---|
[44399] | 1351 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
[35466] | 1352 | if ( !pLookupRec
|
---|
| 1353 | && cchFolded >= 0
|
---|
| 1354 | && idDefCpu != VMCPUID_ANY)
|
---|
| 1355 | {
|
---|
| 1356 | /* Prefix it with the specified CPU set. */
|
---|
[35606] | 1357 | size_t cchCpuSet = RTStrPrintf(szName, sizeof(szName), fGuestRegs ? "cpu%u." : "hypercpu%u.", idDefCpu);
|
---|
[35466] | 1358 | dbgfR3RegCopyToLower(pszReg, RTSTR_MAX, &szName[cchCpuSet], sizeof(szName) - cchCpuSet);
|
---|
[44399] | 1359 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
[35466] | 1360 | }
|
---|
| 1361 | }
|
---|
| 1362 |
|
---|
[44399] | 1363 | DBGF_REG_DB_UNLOCK_READ(pUVM);
|
---|
[35466] | 1364 | return pLookupRec;
|
---|
| 1365 | }
|
---|
| 1366 |
|
---|
| 1367 |
|
---|
| 1368 | /**
|
---|
[41545] | 1369 | * Validates the register name.
|
---|
| 1370 | *
|
---|
| 1371 | * @returns VBox status code.
|
---|
| 1372 | * @retval VINF_SUCCESS if the register was found.
|
---|
| 1373 | * @retval VERR_DBGF_REGISTER_NOT_FOUND if not found.
|
---|
| 1374 | *
|
---|
[44399] | 1375 | * @param pUVM The user mode VM handle.
|
---|
[41545] | 1376 | * @param idDefCpu The default CPU.
|
---|
| 1377 | * @param pszReg The registe name.
|
---|
| 1378 | */
|
---|
[44399] | 1379 | VMMR3DECL(int) DBGFR3RegNmValidate(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg)
|
---|
[41545] | 1380 | {
|
---|
| 1381 | /*
|
---|
| 1382 | * Validate input.
|
---|
| 1383 | */
|
---|
[44399] | 1384 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1385 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1386 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
[41545] | 1387 | AssertPtrReturn(pszReg, VERR_INVALID_POINTER);
|
---|
| 1388 |
|
---|
| 1389 | /*
|
---|
| 1390 | * Resolve the register.
|
---|
| 1391 | */
|
---|
[46155] | 1392 | bool fGuestRegs = true;
|
---|
| 1393 | if ((idDefCpu & DBGFREG_HYPER_VMCPUID) && idDefCpu != VMCPUID_ANY)
|
---|
| 1394 | {
|
---|
| 1395 | fGuestRegs = false;
|
---|
| 1396 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
| 1397 | }
|
---|
| 1398 |
|
---|
[44399] | 1399 | PCDBGFREGLOOKUP pLookupRec = dbgfR3RegResolve(pUVM, idDefCpu, pszReg, fGuestRegs);
|
---|
[41545] | 1400 | if (!pLookupRec)
|
---|
| 1401 | return VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
| 1402 | return VINF_SUCCESS;
|
---|
| 1403 | }
|
---|
| 1404 |
|
---|
| 1405 |
|
---|
| 1406 | /**
|
---|
[35586] | 1407 | * On CPU worker for the register queries, used by dbgfR3RegNmQueryWorker and
|
---|
[35625] | 1408 | * dbgfR3RegPrintfCbFormatNormal.
|
---|
[35466] | 1409 | *
|
---|
| 1410 | * @returns VBox status code.
|
---|
| 1411 | *
|
---|
[44399] | 1412 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1413 | * @param pLookupRec The register lookup record.
|
---|
| 1414 | * @param enmType The desired return type.
|
---|
| 1415 | * @param pValue Where to return the register value.
|
---|
| 1416 | * @param penmType Where to store the register value type.
|
---|
| 1417 | * Optional.
|
---|
| 1418 | */
|
---|
[44399] | 1419 | static DECLCALLBACK(int) dbgfR3RegNmQueryWorkerOnCpu(PUVM pUVM, PCDBGFREGLOOKUP pLookupRec, DBGFREGVALTYPE enmType,
|
---|
[35466] | 1420 | PDBGFREGVAL pValue, PDBGFREGVALTYPE penmType)
|
---|
| 1421 | {
|
---|
| 1422 | PCDBGFREGDESC pDesc = pLookupRec->pDesc;
|
---|
| 1423 | PCDBGFREGSET pSet = pLookupRec->pSet;
|
---|
| 1424 | PCDBGFREGSUBFIELD pSubField = pLookupRec->pSubField;
|
---|
| 1425 | DBGFREGVALTYPE enmValueType = pDesc->enmType;
|
---|
| 1426 | int rc;
|
---|
| 1427 |
|
---|
[44399] | 1428 | NOREF(pUVM);
|
---|
[39078] | 1429 |
|
---|
[35466] | 1430 | /*
|
---|
| 1431 | * Get the register or sub-field value.
|
---|
| 1432 | */
|
---|
| 1433 | dbgfR3RegValClear(pValue);
|
---|
| 1434 | if (!pSubField)
|
---|
[35505] | 1435 | {
|
---|
[35466] | 1436 | rc = pDesc->pfnGet(pSet->uUserArg.pv, pDesc, pValue);
|
---|
[35505] | 1437 | if ( pLookupRec->pAlias
|
---|
| 1438 | && pLookupRec->pAlias->enmType != enmValueType
|
---|
| 1439 | && RT_SUCCESS(rc))
|
---|
| 1440 | {
|
---|
| 1441 | rc = dbgfR3RegValCast(pValue, enmValueType, pLookupRec->pAlias->enmType);
|
---|
| 1442 | enmValueType = pLookupRec->pAlias->enmType;
|
---|
| 1443 | }
|
---|
| 1444 | }
|
---|
[35466] | 1445 | else
|
---|
| 1446 | {
|
---|
| 1447 | if (pSubField->pfnGet)
|
---|
| 1448 | {
|
---|
| 1449 | rc = pSubField->pfnGet(pSet->uUserArg.pv, pSubField, &pValue->u128);
|
---|
| 1450 | enmValueType = DBGFREGVALTYPE_U128;
|
---|
| 1451 | }
|
---|
| 1452 | else
|
---|
| 1453 | {
|
---|
| 1454 | rc = pDesc->pfnGet(pSet->uUserArg.pv, pDesc, pValue);
|
---|
[35505] | 1455 | if ( pLookupRec->pAlias
|
---|
| 1456 | && pLookupRec->pAlias->enmType != enmValueType
|
---|
| 1457 | && RT_SUCCESS(rc))
|
---|
| 1458 | {
|
---|
| 1459 | rc = dbgfR3RegValCast(pValue, enmValueType, pLookupRec->pAlias->enmType);
|
---|
| 1460 | enmValueType = pLookupRec->pAlias->enmType;
|
---|
| 1461 | }
|
---|
[35466] | 1462 | if (RT_SUCCESS(rc))
|
---|
| 1463 | {
|
---|
| 1464 | rc = dbgfR3RegValCast(pValue, enmValueType, DBGFREGVALTYPE_U128);
|
---|
| 1465 | if (RT_SUCCESS(rc))
|
---|
| 1466 | {
|
---|
[35490] | 1467 | RTUInt128AssignShiftLeft(&pValue->u128, -pSubField->iFirstBit);
|
---|
| 1468 | RTUInt128AssignAndNFirstBits(&pValue->u128, pSubField->cBits);
|
---|
[35466] | 1469 | if (pSubField->cShift)
|
---|
[35490] | 1470 | RTUInt128AssignShiftLeft(&pValue->u128, pSubField->cShift);
|
---|
[35466] | 1471 | }
|
---|
| 1472 | }
|
---|
| 1473 | }
|
---|
| 1474 | if (RT_SUCCESS(rc))
|
---|
| 1475 | {
|
---|
| 1476 | unsigned const cBits = pSubField->cBits + pSubField->cShift;
|
---|
| 1477 | if (cBits <= 8)
|
---|
| 1478 | enmValueType = DBGFREGVALTYPE_U8;
|
---|
| 1479 | else if (cBits <= 16)
|
---|
| 1480 | enmValueType = DBGFREGVALTYPE_U16;
|
---|
| 1481 | else if (cBits <= 32)
|
---|
| 1482 | enmValueType = DBGFREGVALTYPE_U32;
|
---|
| 1483 | else if (cBits <= 64)
|
---|
| 1484 | enmValueType = DBGFREGVALTYPE_U64;
|
---|
| 1485 | else
|
---|
| 1486 | enmValueType = DBGFREGVALTYPE_U128;
|
---|
| 1487 | rc = dbgfR3RegValCast(pValue, DBGFREGVALTYPE_U128, enmValueType);
|
---|
| 1488 | }
|
---|
| 1489 | }
|
---|
| 1490 | if (RT_SUCCESS(rc))
|
---|
| 1491 | {
|
---|
| 1492 | /*
|
---|
| 1493 | * Do the cast if the desired return type doesn't match what
|
---|
| 1494 | * the getter returned.
|
---|
| 1495 | */
|
---|
| 1496 | if ( enmValueType == enmType
|
---|
| 1497 | || enmType == DBGFREGVALTYPE_END)
|
---|
| 1498 | {
|
---|
| 1499 | rc = VINF_SUCCESS;
|
---|
| 1500 | if (penmType)
|
---|
| 1501 | *penmType = enmValueType;
|
---|
| 1502 | }
|
---|
| 1503 | else
|
---|
| 1504 | {
|
---|
| 1505 | rc = dbgfR3RegValCast(pValue, enmValueType, enmType);
|
---|
| 1506 | if (penmType)
|
---|
| 1507 | *penmType = RT_SUCCESS(rc) ? enmType : enmValueType;
|
---|
| 1508 | }
|
---|
| 1509 | }
|
---|
| 1510 |
|
---|
| 1511 | return rc;
|
---|
| 1512 | }
|
---|
| 1513 |
|
---|
| 1514 |
|
---|
| 1515 | /**
|
---|
| 1516 | * Worker for the register queries.
|
---|
| 1517 | *
|
---|
| 1518 | * @returns VBox status code.
|
---|
| 1519 | * @retval VINF_SUCCESS
|
---|
| 1520 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1521 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1522 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1523 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1524 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1525 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1526 | *
|
---|
[44399] | 1527 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1528 | * @param idDefCpu The virtual CPU ID for the default CPU register
|
---|
[35606] | 1529 | * set. Can be OR'ed with DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1530 | * @param pszReg The register to query.
|
---|
| 1531 | * @param enmType The desired return type.
|
---|
| 1532 | * @param pValue Where to return the register value.
|
---|
| 1533 | * @param penmType Where to store the register value type.
|
---|
| 1534 | * Optional.
|
---|
| 1535 | */
|
---|
[44399] | 1536 | static int dbgfR3RegNmQueryWorker(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, DBGFREGVALTYPE enmType,
|
---|
[35550] | 1537 | PDBGFREGVAL pValue, PDBGFREGVALTYPE penmType)
|
---|
[35466] | 1538 | {
|
---|
| 1539 | /*
|
---|
| 1540 | * Validate input.
|
---|
| 1541 | */
|
---|
[44399] | 1542 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1543 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1544 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
[35466] | 1545 | AssertPtrReturn(pszReg, VERR_INVALID_POINTER);
|
---|
| 1546 |
|
---|
| 1547 | Assert(enmType > DBGFREGVALTYPE_INVALID && enmType <= DBGFREGVALTYPE_END);
|
---|
| 1548 | AssertPtr(pValue);
|
---|
| 1549 |
|
---|
| 1550 | /*
|
---|
| 1551 | * Resolve the register and call the getter on the relevant CPU.
|
---|
| 1552 | */
|
---|
[46155] | 1553 | bool fGuestRegs = true;
|
---|
| 1554 | if ((idDefCpu & DBGFREG_HYPER_VMCPUID) && idDefCpu != VMCPUID_ANY)
|
---|
| 1555 | {
|
---|
| 1556 | fGuestRegs = false;
|
---|
| 1557 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
| 1558 | }
|
---|
[44399] | 1559 | PCDBGFREGLOOKUP pLookupRec = dbgfR3RegResolve(pUVM, idDefCpu, pszReg, fGuestRegs);
|
---|
[35466] | 1560 | if (pLookupRec)
|
---|
| 1561 | {
|
---|
| 1562 | if (pLookupRec->pSet->enmType == DBGFREGSETTYPE_CPU)
|
---|
| 1563 | idDefCpu = pLookupRec->pSet->uUserArg.pVCpu->idCpu;
|
---|
[35606] | 1564 | else if (idDefCpu != VMCPUID_ANY)
|
---|
| 1565 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
[44399] | 1566 | return VMR3ReqPriorityCallWaitU(pUVM, idDefCpu, (PFNRT)dbgfR3RegNmQueryWorkerOnCpu, 5,
|
---|
| 1567 | pUVM, pLookupRec, enmType, pValue, penmType);
|
---|
[35466] | 1568 | }
|
---|
| 1569 | return VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
| 1570 | }
|
---|
| 1571 |
|
---|
| 1572 |
|
---|
| 1573 | /**
|
---|
| 1574 | * Queries a descriptor table register value.
|
---|
| 1575 | *
|
---|
| 1576 | * @retval VINF_SUCCESS
|
---|
| 1577 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1578 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1579 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1580 | *
|
---|
[44399] | 1581 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1582 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1583 | * applicable. Can be OR'ed with
|
---|
| 1584 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1585 | * @param pszReg The register that's being queried. Except for
|
---|
| 1586 | * CPU registers, this must be on the form
|
---|
| 1587 | * "set.reg[.sub]".
|
---|
| 1588 | * @param pValue Where to store the register value.
|
---|
| 1589 | * @param penmType Where to store the register value type.
|
---|
| 1590 | */
|
---|
[44399] | 1591 | VMMR3DECL(int) DBGFR3RegNmQuery(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, PDBGFREGVAL pValue, PDBGFREGVALTYPE penmType)
|
---|
[35466] | 1592 | {
|
---|
[44399] | 1593 | return dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_END, pValue, penmType);
|
---|
[35466] | 1594 | }
|
---|
| 1595 |
|
---|
| 1596 |
|
---|
| 1597 | /**
|
---|
| 1598 | * Queries a 8-bit register value.
|
---|
| 1599 | *
|
---|
| 1600 | * @retval VINF_SUCCESS
|
---|
| 1601 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1602 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1603 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1604 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1605 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1606 | *
|
---|
[44399] | 1607 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1608 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1609 | * applicable. Can be OR'ed with
|
---|
| 1610 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1611 | * @param pszReg The register that's being queried. Except for
|
---|
| 1612 | * CPU registers, this must be on the form
|
---|
| 1613 | * "set.reg[.sub]".
|
---|
| 1614 | * @param pu8 Where to store the register value.
|
---|
| 1615 | */
|
---|
[44399] | 1616 | VMMR3DECL(int) DBGFR3RegNmQueryU8(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint8_t *pu8)
|
---|
[35466] | 1617 | {
|
---|
| 1618 | DBGFREGVAL Value;
|
---|
[44399] | 1619 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U8, &Value, NULL);
|
---|
[35466] | 1620 | if (RT_SUCCESS(rc))
|
---|
| 1621 | *pu8 = Value.u8;
|
---|
| 1622 | else
|
---|
| 1623 | *pu8 = 0;
|
---|
| 1624 | return rc;
|
---|
| 1625 | }
|
---|
| 1626 |
|
---|
| 1627 |
|
---|
| 1628 | /**
|
---|
| 1629 | * Queries a 16-bit register value.
|
---|
| 1630 | *
|
---|
| 1631 | * @retval VINF_SUCCESS
|
---|
| 1632 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1633 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1634 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1635 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1636 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1637 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1638 | *
|
---|
[44399] | 1639 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1640 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1641 | * applicable. Can be OR'ed with
|
---|
| 1642 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1643 | * @param pszReg The register that's being queried. Except for
|
---|
| 1644 | * CPU registers, this must be on the form
|
---|
| 1645 | * "set.reg[.sub]".
|
---|
| 1646 | * @param pu16 Where to store the register value.
|
---|
| 1647 | */
|
---|
[44399] | 1648 | VMMR3DECL(int) DBGFR3RegNmQueryU16(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint16_t *pu16)
|
---|
[35466] | 1649 | {
|
---|
| 1650 | DBGFREGVAL Value;
|
---|
[44399] | 1651 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U16, &Value, NULL);
|
---|
[35466] | 1652 | if (RT_SUCCESS(rc))
|
---|
| 1653 | *pu16 = Value.u16;
|
---|
| 1654 | else
|
---|
| 1655 | *pu16 = 0;
|
---|
| 1656 | return rc;
|
---|
| 1657 | }
|
---|
| 1658 |
|
---|
| 1659 |
|
---|
| 1660 | /**
|
---|
| 1661 | * Queries a 32-bit register value.
|
---|
| 1662 | *
|
---|
| 1663 | * @retval VINF_SUCCESS
|
---|
| 1664 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1665 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1666 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1667 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1668 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1669 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1670 | *
|
---|
[44399] | 1671 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1672 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1673 | * applicable. Can be OR'ed with
|
---|
| 1674 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1675 | * @param pszReg The register that's being queried. Except for
|
---|
| 1676 | * CPU registers, this must be on the form
|
---|
| 1677 | * "set.reg[.sub]".
|
---|
| 1678 | * @param pu32 Where to store the register value.
|
---|
| 1679 | */
|
---|
[44399] | 1680 | VMMR3DECL(int) DBGFR3RegNmQueryU32(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint32_t *pu32)
|
---|
[35466] | 1681 | {
|
---|
| 1682 | DBGFREGVAL Value;
|
---|
[44399] | 1683 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U32, &Value, NULL);
|
---|
[35466] | 1684 | if (RT_SUCCESS(rc))
|
---|
| 1685 | *pu32 = Value.u32;
|
---|
| 1686 | else
|
---|
| 1687 | *pu32 = 0;
|
---|
| 1688 | return rc;
|
---|
| 1689 | }
|
---|
| 1690 |
|
---|
| 1691 |
|
---|
| 1692 | /**
|
---|
| 1693 | * Queries a 64-bit register value.
|
---|
| 1694 | *
|
---|
| 1695 | * @retval VINF_SUCCESS
|
---|
| 1696 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1697 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1698 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1699 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1700 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1701 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1702 | *
|
---|
[44399] | 1703 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1704 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1705 | * applicable. Can be OR'ed with
|
---|
| 1706 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1707 | * @param pszReg The register that's being queried. Except for
|
---|
| 1708 | * CPU registers, this must be on the form
|
---|
| 1709 | * "set.reg[.sub]".
|
---|
| 1710 | * @param pu64 Where to store the register value.
|
---|
| 1711 | */
|
---|
[44399] | 1712 | VMMR3DECL(int) DBGFR3RegNmQueryU64(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint64_t *pu64)
|
---|
[35466] | 1713 | {
|
---|
| 1714 | DBGFREGVAL Value;
|
---|
[44399] | 1715 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U64, &Value, NULL);
|
---|
[35466] | 1716 | if (RT_SUCCESS(rc))
|
---|
| 1717 | *pu64 = Value.u64;
|
---|
| 1718 | else
|
---|
| 1719 | *pu64 = 0;
|
---|
| 1720 | return rc;
|
---|
| 1721 | }
|
---|
| 1722 |
|
---|
| 1723 |
|
---|
| 1724 | /**
|
---|
| 1725 | * Queries a 128-bit register value.
|
---|
| 1726 | *
|
---|
| 1727 | * @retval VINF_SUCCESS
|
---|
| 1728 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1729 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1730 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1731 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1732 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1733 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1734 | *
|
---|
[44399] | 1735 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1736 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1737 | * applicable. Can be OR'ed with
|
---|
| 1738 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1739 | * @param pszReg The register that's being queried. Except for
|
---|
| 1740 | * CPU registers, this must be on the form
|
---|
| 1741 | * "set.reg[.sub]".
|
---|
| 1742 | * @param pu128 Where to store the register value.
|
---|
| 1743 | */
|
---|
[44399] | 1744 | VMMR3DECL(int) DBGFR3RegNmQueryU128(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, PRTUINT128U pu128)
|
---|
[35466] | 1745 | {
|
---|
| 1746 | DBGFREGVAL Value;
|
---|
[44399] | 1747 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_U128, &Value, NULL);
|
---|
[35466] | 1748 | if (RT_SUCCESS(rc))
|
---|
| 1749 | *pu128 = Value.u128;
|
---|
| 1750 | else
|
---|
| 1751 | pu128->s.Hi = pu128->s.Lo = 0;
|
---|
| 1752 | return rc;
|
---|
| 1753 | }
|
---|
| 1754 |
|
---|
| 1755 |
|
---|
[35513] | 1756 | #if 0
|
---|
[35466] | 1757 | /**
|
---|
| 1758 | * Queries a long double register value.
|
---|
| 1759 | *
|
---|
| 1760 | * @retval VINF_SUCCESS
|
---|
| 1761 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1762 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1763 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1764 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1765 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1766 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1767 | *
|
---|
[44399] | 1768 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1769 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1770 | * applicable. Can be OR'ed with
|
---|
| 1771 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1772 | * @param pszReg The register that's being queried. Except for
|
---|
| 1773 | * CPU registers, this must be on the form
|
---|
| 1774 | * "set.reg[.sub]".
|
---|
| 1775 | * @param plrd Where to store the register value.
|
---|
| 1776 | */
|
---|
[44399] | 1777 | VMMR3DECL(int) DBGFR3RegNmQueryLrd(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, long double *plrd)
|
---|
[35466] | 1778 | {
|
---|
| 1779 | DBGFREGVAL Value;
|
---|
[44399] | 1780 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_R80, &Value, NULL);
|
---|
[35466] | 1781 | if (RT_SUCCESS(rc))
|
---|
| 1782 | *plrd = Value.lrd;
|
---|
| 1783 | else
|
---|
| 1784 | *plrd = 0;
|
---|
| 1785 | return rc;
|
---|
| 1786 | }
|
---|
[35513] | 1787 | #endif
|
---|
[35466] | 1788 |
|
---|
| 1789 |
|
---|
| 1790 | /**
|
---|
| 1791 | * Queries a descriptor table register value.
|
---|
| 1792 | *
|
---|
| 1793 | * @retval VINF_SUCCESS
|
---|
| 1794 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 1795 | * @retval VERR_INVALID_CPU_ID
|
---|
| 1796 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 1797 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 1798 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1799 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1800 | *
|
---|
[44399] | 1801 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1802 | * @param idDefCpu The default target CPU ID, VMCPUID_ANY if not
|
---|
[35606] | 1803 | * applicable. Can be OR'ed with
|
---|
| 1804 | * DBGFREG_HYPER_VMCPUID.
|
---|
[35466] | 1805 | * @param pszReg The register that's being queried. Except for
|
---|
| 1806 | * CPU registers, this must be on the form
|
---|
| 1807 | * "set.reg[.sub]".
|
---|
| 1808 | * @param pu64Base Where to store the register base value.
|
---|
[73417] | 1809 | * @param pu16Limit Where to store the register limit value.
|
---|
[35466] | 1810 | */
|
---|
[73417] | 1811 | VMMR3DECL(int) DBGFR3RegNmQueryXdtr(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint64_t *pu64Base, uint16_t *pu16Limit)
|
---|
[35466] | 1812 | {
|
---|
| 1813 | DBGFREGVAL Value;
|
---|
[44399] | 1814 | int rc = dbgfR3RegNmQueryWorker(pUVM, idDefCpu, pszReg, DBGFREGVALTYPE_DTR, &Value, NULL);
|
---|
[35466] | 1815 | if (RT_SUCCESS(rc))
|
---|
| 1816 | {
|
---|
| 1817 | *pu64Base = Value.dtr.u64Base;
|
---|
[73417] | 1818 | *pu16Limit = Value.dtr.u32Limit;
|
---|
[35466] | 1819 | }
|
---|
| 1820 | else
|
---|
| 1821 | {
|
---|
| 1822 | *pu64Base = 0;
|
---|
[73417] | 1823 | *pu16Limit = 0;
|
---|
[35466] | 1824 | }
|
---|
| 1825 | return rc;
|
---|
| 1826 | }
|
---|
| 1827 |
|
---|
| 1828 |
|
---|
[44399] | 1829 | /// @todo VMMR3DECL(int) DBGFR3RegNmQueryBatch(PUVM pUVM,VMCPUID idDefCpu, DBGFREGENTRYNM paRegs, size_t cRegs);
|
---|
[35466] | 1830 |
|
---|
| 1831 |
|
---|
| 1832 | /**
|
---|
| 1833 | * Gets the number of registers returned by DBGFR3RegNmQueryAll.
|
---|
| 1834 | *
|
---|
| 1835 | * @returns VBox status code.
|
---|
[44399] | 1836 | * @param pUVM The user mode VM handle.
|
---|
[35466] | 1837 | * @param pcRegs Where to return the register count.
|
---|
| 1838 | */
|
---|
[44399] | 1839 | VMMR3DECL(int) DBGFR3RegNmQueryAllCount(PUVM pUVM, size_t *pcRegs)
|
---|
[35466] | 1840 | {
|
---|
[44399] | 1841 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1842 | *pcRegs = pUVM->dbgf.s.cRegs;
|
---|
[35466] | 1843 | return VINF_SUCCESS;
|
---|
| 1844 | }
|
---|
| 1845 |
|
---|
| 1846 |
|
---|
[35550] | 1847 | /**
|
---|
| 1848 | * Pad register entries.
|
---|
| 1849 | *
|
---|
| 1850 | * @param paRegs The output array.
|
---|
| 1851 | * @param cRegs The size of the output array.
|
---|
| 1852 | * @param iReg The first register to pad.
|
---|
| 1853 | * @param cRegsToPad The number of registers to pad.
|
---|
| 1854 | */
|
---|
| 1855 | static void dbgfR3RegNmQueryAllPadEntries(PDBGFREGENTRYNM paRegs, size_t cRegs, size_t iReg, size_t cRegsToPad)
|
---|
[35466] | 1856 | {
|
---|
[35550] | 1857 | if (iReg < cRegs)
|
---|
| 1858 | {
|
---|
| 1859 | size_t iEndReg = iReg + cRegsToPad;
|
---|
| 1860 | if (iEndReg > cRegs)
|
---|
| 1861 | iEndReg = cRegs;
|
---|
| 1862 | while (iReg < iEndReg)
|
---|
| 1863 | {
|
---|
| 1864 | paRegs[iReg].pszName = NULL;
|
---|
| 1865 | paRegs[iReg].enmType = DBGFREGVALTYPE_END;
|
---|
| 1866 | dbgfR3RegValClear(&paRegs[iReg].Val);
|
---|
| 1867 | iReg++;
|
---|
| 1868 | }
|
---|
| 1869 | }
|
---|
[35466] | 1870 | }
|
---|
| 1871 |
|
---|
| 1872 |
|
---|
[35550] | 1873 | /**
|
---|
| 1874 | * Query all registers in a set.
|
---|
| 1875 | *
|
---|
| 1876 | * @param pSet The set.
|
---|
| 1877 | * @param cRegsToQuery The number of registers to query.
|
---|
| 1878 | * @param paRegs The output array.
|
---|
| 1879 | * @param cRegs The size of the output array.
|
---|
| 1880 | */
|
---|
| 1881 | static void dbgfR3RegNmQueryAllInSet(PCDBGFREGSET pSet, size_t cRegsToQuery, PDBGFREGENTRYNM paRegs, size_t cRegs)
|
---|
| 1882 | {
|
---|
| 1883 | if (cRegsToQuery > pSet->cDescs)
|
---|
| 1884 | cRegsToQuery = pSet->cDescs;
|
---|
| 1885 | if (cRegsToQuery > cRegs)
|
---|
| 1886 | cRegsToQuery = cRegs;
|
---|
| 1887 |
|
---|
| 1888 | for (size_t iReg = 0; iReg < cRegsToQuery; iReg++)
|
---|
| 1889 | {
|
---|
| 1890 | paRegs[iReg].enmType = pSet->paDescs[iReg].enmType;
|
---|
| 1891 | paRegs[iReg].pszName = pSet->paLookupRecs[iReg].Core.pszString;
|
---|
| 1892 | dbgfR3RegValClear(&paRegs[iReg].Val);
|
---|
| 1893 | int rc2 = pSet->paDescs[iReg].pfnGet(pSet->uUserArg.pv, &pSet->paDescs[iReg], &paRegs[iReg].Val);
|
---|
| 1894 | AssertRCSuccess(rc2);
|
---|
| 1895 | if (RT_FAILURE(rc2))
|
---|
| 1896 | dbgfR3RegValClear(&paRegs[iReg].Val);
|
---|
| 1897 | }
|
---|
| 1898 | }
|
---|
| 1899 |
|
---|
| 1900 |
|
---|
| 1901 | /**
|
---|
| 1902 | * @callback_method_impl{FNRTSTRSPACECALLBACK, Worker used by
|
---|
| 1903 | * dbgfR3RegNmQueryAllWorker}
|
---|
| 1904 | */
|
---|
| 1905 | static DECLCALLBACK(int) dbgfR3RegNmQueryAllEnum(PRTSTRSPACECORE pStr, void *pvUser)
|
---|
| 1906 | {
|
---|
| 1907 | PCDBGFREGSET pSet = (PCDBGFREGSET)pStr;
|
---|
| 1908 | if (pSet->enmType != DBGFREGSETTYPE_CPU)
|
---|
| 1909 | {
|
---|
| 1910 | PDBGFR3REGNMQUERYALLARGS pArgs = (PDBGFR3REGNMQUERYALLARGS)pvUser;
|
---|
| 1911 | if (pArgs->iReg < pArgs->cRegs)
|
---|
| 1912 | dbgfR3RegNmQueryAllInSet(pSet, pSet->cDescs, &pArgs->paRegs[pArgs->iReg], pArgs->cRegs - pArgs->iReg);
|
---|
| 1913 | pArgs->iReg += pSet->cDescs;
|
---|
| 1914 | }
|
---|
| 1915 |
|
---|
| 1916 | return 0;
|
---|
| 1917 | }
|
---|
| 1918 |
|
---|
| 1919 |
|
---|
| 1920 | /**
|
---|
| 1921 | * @callback_method_impl{FNVMMEMTRENDEZVOUS, Worker used by DBGFR3RegNmQueryAll}
|
---|
| 1922 | */
|
---|
| 1923 | static DECLCALLBACK(VBOXSTRICTRC) dbgfR3RegNmQueryAllWorker(PVM pVM, PVMCPU pVCpu, void *pvUser)
|
---|
| 1924 | {
|
---|
| 1925 | PDBGFR3REGNMQUERYALLARGS pArgs = (PDBGFR3REGNMQUERYALLARGS)pvUser;
|
---|
| 1926 | PDBGFREGENTRYNM paRegs = pArgs->paRegs;
|
---|
| 1927 | size_t const cRegs = pArgs->cRegs;
|
---|
[44399] | 1928 | PUVM pUVM = pVM->pUVM;
|
---|
| 1929 | PUVMCPU pUVCpu = pVCpu->pUVCpu;
|
---|
[35550] | 1930 |
|
---|
[44399] | 1931 | DBGF_REG_DB_LOCK_READ(pUVM);
|
---|
[35586] | 1932 |
|
---|
[35550] | 1933 | /*
|
---|
[35601] | 1934 | * My guest CPU registers.
|
---|
[35550] | 1935 | */
|
---|
| 1936 | size_t iCpuReg = pVCpu->idCpu * DBGFREG_ALL_COUNT;
|
---|
[44399] | 1937 | if (pUVCpu->dbgf.s.pGuestRegSet)
|
---|
[35550] | 1938 | {
|
---|
| 1939 | if (iCpuReg < cRegs)
|
---|
[44399] | 1940 | dbgfR3RegNmQueryAllInSet(pUVCpu->dbgf.s.pGuestRegSet, DBGFREG_ALL_COUNT, &paRegs[iCpuReg], cRegs - iCpuReg);
|
---|
[35550] | 1941 | }
|
---|
| 1942 | else
|
---|
| 1943 | dbgfR3RegNmQueryAllPadEntries(paRegs, cRegs, iCpuReg, DBGFREG_ALL_COUNT);
|
---|
| 1944 |
|
---|
| 1945 | /*
|
---|
[35601] | 1946 | * My hypervisor CPU registers.
|
---|
| 1947 | */
|
---|
[44399] | 1948 | iCpuReg = pUVM->cCpus * DBGFREG_ALL_COUNT + pUVCpu->idCpu * DBGFREG_ALL_COUNT;
|
---|
| 1949 | if (pUVCpu->dbgf.s.pHyperRegSet)
|
---|
[35601] | 1950 | {
|
---|
| 1951 | if (iCpuReg < cRegs)
|
---|
[44399] | 1952 | dbgfR3RegNmQueryAllInSet(pUVCpu->dbgf.s.pHyperRegSet, DBGFREG_ALL_COUNT, &paRegs[iCpuReg], cRegs - iCpuReg);
|
---|
[35601] | 1953 | }
|
---|
| 1954 | else
|
---|
| 1955 | dbgfR3RegNmQueryAllPadEntries(paRegs, cRegs, iCpuReg, DBGFREG_ALL_COUNT);
|
---|
| 1956 |
|
---|
| 1957 | /*
|
---|
[35550] | 1958 | * The primary CPU does all the other registers.
|
---|
| 1959 | */
|
---|
[44399] | 1960 | if (pUVCpu->idCpu == 0)
|
---|
[35550] | 1961 | {
|
---|
[44399] | 1962 | pArgs->iReg = pUVM->cCpus * DBGFREG_ALL_COUNT * 2;
|
---|
| 1963 | RTStrSpaceEnumerate(&pUVM->dbgf.s.RegSetSpace, dbgfR3RegNmQueryAllEnum, pArgs);
|
---|
[35550] | 1964 | dbgfR3RegNmQueryAllPadEntries(paRegs, cRegs, pArgs->iReg, cRegs);
|
---|
| 1965 | }
|
---|
| 1966 |
|
---|
[44399] | 1967 | DBGF_REG_DB_UNLOCK_READ(pUVM);
|
---|
[35550] | 1968 | return VINF_SUCCESS; /* Ignore errors. */
|
---|
| 1969 | }
|
---|
| 1970 |
|
---|
| 1971 |
|
---|
| 1972 | /**
|
---|
| 1973 | * Queries all register.
|
---|
| 1974 | *
|
---|
| 1975 | * @returns VBox status code.
|
---|
[44399] | 1976 | * @param pUVM The user mode VM handle.
|
---|
[35550] | 1977 | * @param paRegs The output register value array. The register
|
---|
| 1978 | * name string is read only and shall not be freed
|
---|
| 1979 | * or modified.
|
---|
| 1980 | * @param cRegs The number of entries in @a paRegs. The
|
---|
| 1981 | * correct size can be obtained by calling
|
---|
| 1982 | * DBGFR3RegNmQueryAllCount.
|
---|
| 1983 | */
|
---|
[44399] | 1984 | VMMR3DECL(int) DBGFR3RegNmQueryAll(PUVM pUVM, PDBGFREGENTRYNM paRegs, size_t cRegs)
|
---|
[35550] | 1985 | {
|
---|
[44399] | 1986 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1987 | PVM pVM = pUVM->pVM;
|
---|
[35550] | 1988 | VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
|
---|
| 1989 | AssertPtrReturn(paRegs, VERR_INVALID_POINTER);
|
---|
| 1990 | AssertReturn(cRegs > 0, VERR_OUT_OF_RANGE);
|
---|
| 1991 |
|
---|
| 1992 | DBGFR3REGNMQUERYALLARGS Args;
|
---|
| 1993 | Args.paRegs = paRegs;
|
---|
| 1994 | Args.cRegs = cRegs;
|
---|
| 1995 |
|
---|
| 1996 | return VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ALL_AT_ONCE, dbgfR3RegNmQueryAllWorker, &Args);
|
---|
| 1997 | }
|
---|
| 1998 |
|
---|
| 1999 |
|
---|
[48898] | 2000 | /**
|
---|
| 2001 | * On CPU worker for the register modifications, used by DBGFR3RegNmSet.
|
---|
| 2002 | *
|
---|
| 2003 | * @returns VBox status code.
|
---|
| 2004 | *
|
---|
| 2005 | * @param pUVM The user mode VM handle.
|
---|
| 2006 | * @param pLookupRec The register lookup record. Maybe be modified,
|
---|
| 2007 | * so please pass a copy of the user's one.
|
---|
| 2008 | * @param pValue The new register value.
|
---|
[58126] | 2009 | * @param pMask Indicate which bits to modify.
|
---|
[48898] | 2010 | */
|
---|
| 2011 | static DECLCALLBACK(int) dbgfR3RegNmSetWorkerOnCpu(PUVM pUVM, PDBGFREGLOOKUP pLookupRec,
|
---|
| 2012 | PCDBGFREGVAL pValue, PCDBGFREGVAL pMask)
|
---|
| 2013 | {
|
---|
[62637] | 2014 | RT_NOREF_PV(pUVM);
|
---|
[48898] | 2015 | PCDBGFREGSUBFIELD pSubField = pLookupRec->pSubField;
|
---|
| 2016 | if (pSubField && pSubField->pfnSet)
|
---|
| 2017 | return pSubField->pfnSet(pLookupRec->pSet->uUserArg.pv, pSubField, pValue->u128, pMask->u128);
|
---|
| 2018 | return pLookupRec->pDesc->pfnSet(pLookupRec->pSet->uUserArg.pv, pLookupRec->pDesc, pValue, pMask);
|
---|
| 2019 | }
|
---|
| 2020 |
|
---|
| 2021 |
|
---|
| 2022 | /**
|
---|
| 2023 | * Worker for the register setting.
|
---|
| 2024 | *
|
---|
| 2025 | * @returns VBox status code.
|
---|
| 2026 | * @retval VINF_SUCCESS
|
---|
| 2027 | * @retval VERR_INVALID_VM_HANDLE
|
---|
| 2028 | * @retval VERR_INVALID_CPU_ID
|
---|
| 2029 | * @retval VERR_DBGF_REGISTER_NOT_FOUND
|
---|
| 2030 | * @retval VERR_DBGF_UNSUPPORTED_CAST
|
---|
| 2031 | * @retval VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 2032 | * @retval VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 2033 | *
|
---|
| 2034 | * @param pUVM The user mode VM handle.
|
---|
| 2035 | * @param idDefCpu The virtual CPU ID for the default CPU register
|
---|
| 2036 | * set. Can be OR'ed with DBGFREG_HYPER_VMCPUID.
|
---|
| 2037 | * @param pszReg The register to query.
|
---|
| 2038 | * @param pValue The value to set
|
---|
| 2039 | * @param enmType How to interpret the value in @a pValue.
|
---|
| 2040 | */
|
---|
[44399] | 2041 | VMMR3DECL(int) DBGFR3RegNmSet(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType)
|
---|
[35625] | 2042 | {
|
---|
[48898] | 2043 | /*
|
---|
| 2044 | * Validate input.
|
---|
| 2045 | */
|
---|
| 2046 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 2047 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
|
---|
| 2048 | AssertReturn((idDefCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idDefCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
| 2049 | AssertPtrReturn(pszReg, VERR_INVALID_POINTER);
|
---|
| 2050 | AssertReturn(enmType > DBGFREGVALTYPE_INVALID && enmType < DBGFREGVALTYPE_END, VERR_INVALID_PARAMETER);
|
---|
| 2051 | AssertPtrReturn(pValue, VERR_INVALID_PARAMETER);
|
---|
| 2052 |
|
---|
| 2053 | /*
|
---|
| 2054 | * Resolve the register and check that it is writable.
|
---|
| 2055 | */
|
---|
| 2056 | bool fGuestRegs = true;
|
---|
| 2057 | if ((idDefCpu & DBGFREG_HYPER_VMCPUID) && idDefCpu != VMCPUID_ANY)
|
---|
| 2058 | {
|
---|
| 2059 | fGuestRegs = false;
|
---|
| 2060 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
| 2061 | }
|
---|
| 2062 | PCDBGFREGLOOKUP pLookupRec = dbgfR3RegResolve(pUVM, idDefCpu, pszReg, fGuestRegs);
|
---|
| 2063 | if (pLookupRec)
|
---|
| 2064 | {
|
---|
| 2065 | PCDBGFREGDESC pDesc = pLookupRec->pDesc;
|
---|
| 2066 | PCDBGFREGSET pSet = pLookupRec->pSet;
|
---|
| 2067 | PCDBGFREGSUBFIELD pSubField = pLookupRec->pSubField;
|
---|
| 2068 |
|
---|
| 2069 | if ( !(pDesc->fFlags & DBGFREG_FLAGS_READ_ONLY)
|
---|
| 2070 | && (pSubField
|
---|
| 2071 | ? !(pSubField->fFlags & DBGFREGSUBFIELD_FLAGS_READ_ONLY)
|
---|
| 2072 | && (pSubField->pfnSet != NULL || pDesc->pfnSet != NULL)
|
---|
| 2073 | : pDesc->pfnSet != NULL) )
|
---|
| 2074 | {
|
---|
| 2075 | /*
|
---|
| 2076 | * Calculate the modification mask and cast the input value to the
|
---|
| 2077 | * type of the target register.
|
---|
| 2078 | */
|
---|
| 2079 | DBGFREGVAL Mask = DBGFREGVAL_INITIALIZE_ZERO;
|
---|
| 2080 | DBGFREGVAL Value = DBGFREGVAL_INITIALIZE_ZERO;
|
---|
| 2081 | switch (enmType)
|
---|
| 2082 | {
|
---|
| 2083 | case DBGFREGVALTYPE_U8:
|
---|
| 2084 | Value.u8 = pValue->u8;
|
---|
| 2085 | Mask.u8 = UINT8_MAX;
|
---|
| 2086 | break;
|
---|
| 2087 | case DBGFREGVALTYPE_U16:
|
---|
| 2088 | Value.u16 = pValue->u16;
|
---|
| 2089 | Mask.u16 = UINT16_MAX;
|
---|
| 2090 | break;
|
---|
| 2091 | case DBGFREGVALTYPE_U32:
|
---|
| 2092 | Value.u32 = pValue->u32;
|
---|
| 2093 | Mask.u32 = UINT32_MAX;
|
---|
| 2094 | break;
|
---|
| 2095 | case DBGFREGVALTYPE_U64:
|
---|
| 2096 | Value.u64 = pValue->u64;
|
---|
| 2097 | Mask.u64 = UINT64_MAX;
|
---|
| 2098 | break;
|
---|
| 2099 | case DBGFREGVALTYPE_U128:
|
---|
| 2100 | Value.u128 = pValue->u128;
|
---|
| 2101 | Mask.u128.s.Lo = UINT64_MAX;
|
---|
| 2102 | Mask.u128.s.Hi = UINT64_MAX;
|
---|
| 2103 | break;
|
---|
[66885] | 2104 | case DBGFREGVALTYPE_U256:
|
---|
| 2105 | Value.u256 = pValue->u256;
|
---|
| 2106 | Mask.u256.QWords.qw0 = UINT64_MAX;
|
---|
| 2107 | Mask.u256.QWords.qw1 = UINT64_MAX;
|
---|
| 2108 | Mask.u256.QWords.qw2 = UINT64_MAX;
|
---|
| 2109 | Mask.u256.QWords.qw3 = UINT64_MAX;
|
---|
| 2110 | break;
|
---|
| 2111 | case DBGFREGVALTYPE_U512:
|
---|
| 2112 | Value.u512 = pValue->u512;
|
---|
| 2113 | Mask.u512.QWords.qw0 = UINT64_MAX;
|
---|
| 2114 | Mask.u512.QWords.qw1 = UINT64_MAX;
|
---|
| 2115 | Mask.u512.QWords.qw2 = UINT64_MAX;
|
---|
| 2116 | Mask.u512.QWords.qw3 = UINT64_MAX;
|
---|
| 2117 | Mask.u512.QWords.qw4 = UINT64_MAX;
|
---|
| 2118 | Mask.u512.QWords.qw5 = UINT64_MAX;
|
---|
| 2119 | Mask.u512.QWords.qw6 = UINT64_MAX;
|
---|
| 2120 | Mask.u512.QWords.qw7 = UINT64_MAX;
|
---|
| 2121 | break;
|
---|
[48898] | 2122 | case DBGFREGVALTYPE_R80:
|
---|
| 2123 | #ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
|
---|
| 2124 | Value.r80Ex.lrd = pValue->r80Ex.lrd;
|
---|
| 2125 | #else
|
---|
| 2126 | Value.r80Ex.au64[0] = pValue->r80Ex.au64[0];
|
---|
| 2127 | Value.r80Ex.au16[4] = pValue->r80Ex.au16[4];
|
---|
| 2128 | #endif
|
---|
| 2129 | Value.r80Ex.au64[0] = UINT64_MAX;
|
---|
| 2130 | Value.r80Ex.au16[4] = UINT16_MAX;
|
---|
| 2131 | break;
|
---|
| 2132 | case DBGFREGVALTYPE_DTR:
|
---|
| 2133 | Value.dtr.u32Limit = pValue->dtr.u32Limit;
|
---|
| 2134 | Value.dtr.u64Base = pValue->dtr.u64Base;
|
---|
| 2135 | Mask.dtr.u32Limit = UINT32_MAX;
|
---|
| 2136 | Mask.dtr.u64Base = UINT64_MAX;
|
---|
| 2137 | break;
|
---|
| 2138 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 2139 | case DBGFREGVALTYPE_END:
|
---|
| 2140 | case DBGFREGVALTYPE_INVALID:
|
---|
| 2141 | AssertFailedReturn(VERR_INTERNAL_ERROR_3);
|
---|
| 2142 | }
|
---|
| 2143 |
|
---|
| 2144 | int rc = VINF_SUCCESS;
|
---|
| 2145 | DBGFREGVALTYPE enmRegType = pDesc->enmType;
|
---|
| 2146 | if (pSubField)
|
---|
| 2147 | {
|
---|
| 2148 | unsigned const cBits = pSubField->cBits + pSubField->cShift;
|
---|
| 2149 | if (cBits <= 8)
|
---|
| 2150 | enmRegType = DBGFREGVALTYPE_U8;
|
---|
| 2151 | else if (cBits <= 16)
|
---|
| 2152 | enmRegType = DBGFREGVALTYPE_U16;
|
---|
| 2153 | else if (cBits <= 32)
|
---|
| 2154 | enmRegType = DBGFREGVALTYPE_U32;
|
---|
| 2155 | else if (cBits <= 64)
|
---|
| 2156 | enmRegType = DBGFREGVALTYPE_U64;
|
---|
[66885] | 2157 | else if (cBits <= 128)
|
---|
| 2158 | enmRegType = DBGFREGVALTYPE_U128;
|
---|
| 2159 | else if (cBits <= 256)
|
---|
| 2160 | enmRegType = DBGFREGVALTYPE_U256;
|
---|
[48898] | 2161 | else
|
---|
[66885] | 2162 | enmRegType = DBGFREGVALTYPE_U512;
|
---|
[48898] | 2163 | }
|
---|
| 2164 | else if (pLookupRec->pAlias)
|
---|
| 2165 | {
|
---|
| 2166 | /* Restrict the input to the size of the alias register. */
|
---|
| 2167 | DBGFREGVALTYPE enmAliasType = pLookupRec->pAlias->enmType;
|
---|
| 2168 | if (enmAliasType != enmType)
|
---|
| 2169 | {
|
---|
| 2170 | rc = dbgfR3RegValCast(&Value, enmType, enmAliasType);
|
---|
| 2171 | if (RT_FAILURE(rc))
|
---|
| 2172 | return rc;
|
---|
| 2173 | dbgfR3RegValCast(&Mask, enmType, enmAliasType);
|
---|
| 2174 | enmType = enmAliasType;
|
---|
| 2175 | }
|
---|
| 2176 | }
|
---|
| 2177 |
|
---|
| 2178 | if (enmType != enmRegType)
|
---|
| 2179 | {
|
---|
| 2180 | int rc2 = dbgfR3RegValCast(&Value, enmType, enmRegType);
|
---|
| 2181 | if (RT_FAILURE(rc2))
|
---|
| 2182 | return rc2;
|
---|
| 2183 | if (rc2 != VINF_SUCCESS && rc == VINF_SUCCESS)
|
---|
| 2184 | rc2 = VINF_SUCCESS;
|
---|
| 2185 | dbgfR3RegValCast(&Mask, enmType, enmRegType);
|
---|
| 2186 | }
|
---|
| 2187 |
|
---|
| 2188 | /*
|
---|
| 2189 | * Subfields needs some extra processing if there is no subfield
|
---|
| 2190 | * setter, since we'll be feeding it to the normal register setter
|
---|
| 2191 | * instead. The mask and value must be shifted and truncated to the
|
---|
| 2192 | * subfield position.
|
---|
| 2193 | */
|
---|
| 2194 | if (pSubField && !pSubField->pfnSet)
|
---|
| 2195 | {
|
---|
| 2196 | /* The shift factor is for displaying a subfield value
|
---|
| 2197 | 2**cShift times larger than the stored value. We have
|
---|
| 2198 | to undo this before adjusting value and mask. */
|
---|
| 2199 | if (pSubField->cShift)
|
---|
| 2200 | {
|
---|
| 2201 | /* Warn about trunction of the lower bits that get
|
---|
| 2202 | shifted out below. */
|
---|
| 2203 | if (rc == VINF_SUCCESS)
|
---|
| 2204 | {
|
---|
| 2205 | DBGFREGVAL Value2 = Value;
|
---|
| 2206 | RTUInt128AssignAndNFirstBits(&Value2.u128, -pSubField->cShift);
|
---|
| 2207 | if (!RTUInt128BitAreAllClear(&Value2.u128))
|
---|
| 2208 | rc = VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 2209 | }
|
---|
| 2210 | RTUInt128AssignShiftRight(&Value.u128, pSubField->cShift);
|
---|
| 2211 | }
|
---|
| 2212 |
|
---|
| 2213 | RTUInt128AssignAndNFirstBits(&Value.u128, pSubField->cBits);
|
---|
| 2214 | if (rc == VINF_SUCCESS && RTUInt128IsNotEqual(&Value.u128, &Value.u128))
|
---|
| 2215 | rc = VINF_DBGF_TRUNCATED_REGISTER;
|
---|
| 2216 | RTUInt128AssignAndNFirstBits(&Mask.u128, pSubField->cBits);
|
---|
| 2217 |
|
---|
| 2218 | RTUInt128AssignShiftLeft(&Value.u128, pSubField->iFirstBit);
|
---|
| 2219 | RTUInt128AssignShiftLeft(&Mask.u128, pSubField->iFirstBit);
|
---|
| 2220 | }
|
---|
| 2221 |
|
---|
| 2222 | /*
|
---|
| 2223 | * Do the actual work on an EMT.
|
---|
| 2224 | */
|
---|
| 2225 | if (pSet->enmType == DBGFREGSETTYPE_CPU)
|
---|
| 2226 | idDefCpu = pSet->uUserArg.pVCpu->idCpu;
|
---|
| 2227 | else if (idDefCpu != VMCPUID_ANY)
|
---|
| 2228 | idDefCpu &= ~DBGFREG_HYPER_VMCPUID;
|
---|
| 2229 |
|
---|
| 2230 | int rc2 = VMR3ReqPriorityCallWaitU(pUVM, idDefCpu, (PFNRT)dbgfR3RegNmSetWorkerOnCpu, 4,
|
---|
| 2231 | pUVM, pLookupRec, &Value, &Mask);
|
---|
| 2232 |
|
---|
| 2233 | if (rc == VINF_SUCCESS || RT_FAILURE(rc2))
|
---|
| 2234 | rc = rc2;
|
---|
| 2235 | return rc;
|
---|
| 2236 | }
|
---|
| 2237 | return VERR_DBGF_READ_ONLY_REGISTER;
|
---|
| 2238 | }
|
---|
| 2239 | return VERR_DBGF_REGISTER_NOT_FOUND;
|
---|
[35625] | 2240 | }
|
---|
| 2241 |
|
---|
| 2242 |
|
---|
[35586] | 2243 | /**
|
---|
[58126] | 2244 | * Internal worker for DBGFR3RegFormatValue, cbBuf is sufficent.
|
---|
[35586] | 2245 | *
|
---|
[58126] | 2246 | * @copydoc DBGFR3RegFormatValueEx
|
---|
[35586] | 2247 | */
|
---|
[58126] | 2248 | DECLINLINE(ssize_t) dbgfR3RegFormatValueInt(char *pszBuf, size_t cbBuf, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType,
|
---|
[35586] | 2249 | unsigned uBase, signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
|
---|
| 2250 | {
|
---|
| 2251 | switch (enmType)
|
---|
| 2252 | {
|
---|
| 2253 | case DBGFREGVALTYPE_U8:
|
---|
[58126] | 2254 | return RTStrFormatU8(pszBuf, cbBuf, pValue->u8, uBase, cchWidth, cchPrecision, fFlags);
|
---|
[35586] | 2255 | case DBGFREGVALTYPE_U16:
|
---|
[58126] | 2256 | return RTStrFormatU16(pszBuf, cbBuf, pValue->u16, uBase, cchWidth, cchPrecision, fFlags);
|
---|
[35586] | 2257 | case DBGFREGVALTYPE_U32:
|
---|
[58126] | 2258 | return RTStrFormatU32(pszBuf, cbBuf, pValue->u32, uBase, cchWidth, cchPrecision, fFlags);
|
---|
[35586] | 2259 | case DBGFREGVALTYPE_U64:
|
---|
[58126] | 2260 | return RTStrFormatU64(pszBuf, cbBuf, pValue->u64, uBase, cchWidth, cchPrecision, fFlags);
|
---|
[35586] | 2261 | case DBGFREGVALTYPE_U128:
|
---|
[58126] | 2262 | return RTStrFormatU128(pszBuf, cbBuf, &pValue->u128, uBase, cchWidth, cchPrecision, fFlags);
|
---|
[66885] | 2263 | case DBGFREGVALTYPE_U256:
|
---|
| 2264 | return RTStrFormatU256(pszBuf, cbBuf, &pValue->u256, uBase, cchWidth, cchPrecision, fFlags);
|
---|
| 2265 | case DBGFREGVALTYPE_U512:
|
---|
| 2266 | return RTStrFormatU512(pszBuf, cbBuf, &pValue->u512, uBase, cchWidth, cchPrecision, fFlags);
|
---|
[35586] | 2267 | case DBGFREGVALTYPE_R80:
|
---|
[58126] | 2268 | return RTStrFormatR80u2(pszBuf, cbBuf, &pValue->r80Ex, cchWidth, cchPrecision, fFlags);
|
---|
[35586] | 2269 | case DBGFREGVALTYPE_DTR:
|
---|
| 2270 | {
|
---|
[58126] | 2271 | ssize_t cch = RTStrFormatU64(pszBuf, cbBuf, pValue->dtr.u64Base,
|
---|
[35586] | 2272 | 16, 2+16, 0, RTSTR_F_SPECIAL | RTSTR_F_ZEROPAD);
|
---|
[39405] | 2273 | AssertReturn(cch > 0, VERR_DBGF_REG_IPE_1);
|
---|
[58126] | 2274 | pszBuf[cch++] = ':';
|
---|
| 2275 | cch += RTStrFormatU64(&pszBuf[cch], cbBuf - cch, pValue->dtr.u32Limit,
|
---|
[35586] | 2276 | 16, 4, 0, RTSTR_F_ZEROPAD | RTSTR_F_32BIT);
|
---|
| 2277 | return cch;
|
---|
| 2278 | }
|
---|
[35466] | 2279 |
|
---|
[35586] | 2280 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 2281 | case DBGFREGVALTYPE_END:
|
---|
| 2282 | case DBGFREGVALTYPE_INVALID:
|
---|
| 2283 | break;
|
---|
| 2284 | /* no default, want gcc warnings */
|
---|
| 2285 | }
|
---|
| 2286 |
|
---|
[58126] | 2287 | RTStrPrintf(pszBuf, cbBuf, "!enmType=%d!", enmType);
|
---|
[39405] | 2288 | return VERR_DBGF_REG_IPE_2;
|
---|
[35586] | 2289 | }
|
---|
| 2290 |
|
---|
| 2291 |
|
---|
| 2292 | /**
|
---|
| 2293 | * Format a register value, extended version.
|
---|
| 2294 | *
|
---|
| 2295 | * @returns The number of bytes returned, VERR_BUFFER_OVERFLOW on failure.
|
---|
| 2296 | * @param pszBuf The output buffer.
|
---|
| 2297 | * @param cbBuf The size of the output buffer.
|
---|
| 2298 | * @param pValue The value to format.
|
---|
| 2299 | * @param enmType The value type.
|
---|
| 2300 | * @param uBase The base (ignored if not applicable).
|
---|
| 2301 | * @param cchWidth The width if RTSTR_F_WIDTH is set, otherwise
|
---|
| 2302 | * ignored.
|
---|
| 2303 | * @param cchPrecision The width if RTSTR_F_PRECISION is set, otherwise
|
---|
| 2304 | * ignored.
|
---|
| 2305 | * @param fFlags String formatting flags, RTSTR_F_XXX.
|
---|
| 2306 | */
|
---|
[44399] | 2307 | VMMR3DECL(ssize_t) DBGFR3RegFormatValueEx(char *pszBuf, size_t cbBuf, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType,
|
---|
| 2308 | unsigned uBase, signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
|
---|
[35586] | 2309 | {
|
---|
| 2310 | /*
|
---|
[35625] | 2311 | * Format to temporary buffer using worker shared with dbgfR3RegPrintfCbFormatNormal.
|
---|
[35586] | 2312 | */
|
---|
| 2313 | char szTmp[160];
|
---|
| 2314 | ssize_t cchOutput = dbgfR3RegFormatValueInt(szTmp, sizeof(szTmp), pValue, enmType, uBase, cchWidth, cchPrecision, fFlags);
|
---|
| 2315 | if (cchOutput > 0)
|
---|
| 2316 | {
|
---|
| 2317 | if ((size_t)cchOutput < cbBuf)
|
---|
| 2318 | memcpy(pszBuf, szTmp, cchOutput + 1);
|
---|
| 2319 | else
|
---|
| 2320 | {
|
---|
| 2321 | if (cbBuf)
|
---|
| 2322 | {
|
---|
| 2323 | memcpy(pszBuf, szTmp, cbBuf - 1);
|
---|
| 2324 | pszBuf[cbBuf - 1] = '\0';
|
---|
| 2325 | }
|
---|
| 2326 | cchOutput = VERR_BUFFER_OVERFLOW;
|
---|
| 2327 | }
|
---|
| 2328 | }
|
---|
| 2329 | return cchOutput;
|
---|
| 2330 | }
|
---|
| 2331 |
|
---|
| 2332 |
|
---|
| 2333 | /**
|
---|
| 2334 | * Format a register value as hexadecimal and with default width according to
|
---|
| 2335 | * the type.
|
---|
| 2336 | *
|
---|
| 2337 | * @returns The number of bytes returned, VERR_BUFFER_OVERFLOW on failure.
|
---|
| 2338 | * @param pszBuf The output buffer.
|
---|
| 2339 | * @param cbBuf The size of the output buffer.
|
---|
| 2340 | * @param pValue The value to format.
|
---|
| 2341 | * @param enmType The value type.
|
---|
| 2342 | * @param fSpecial Same as RTSTR_F_SPECIAL.
|
---|
| 2343 | */
|
---|
[44399] | 2344 | VMMR3DECL(ssize_t) DBGFR3RegFormatValue(char *pszBuf, size_t cbBuf, PCDBGFREGVAL pValue, DBGFREGVALTYPE enmType, bool fSpecial)
|
---|
[35586] | 2345 | {
|
---|
| 2346 | int cchWidth = 0;
|
---|
| 2347 | switch (enmType)
|
---|
| 2348 | {
|
---|
[66885] | 2349 | case DBGFREGVALTYPE_U8: cchWidth = 2 + fSpecial*2; break;
|
---|
| 2350 | case DBGFREGVALTYPE_U16: cchWidth = 4 + fSpecial*2; break;
|
---|
| 2351 | case DBGFREGVALTYPE_U32: cchWidth = 8 + fSpecial*2; break;
|
---|
| 2352 | case DBGFREGVALTYPE_U64: cchWidth = 16 + fSpecial*2; break;
|
---|
| 2353 | case DBGFREGVALTYPE_U128: cchWidth = 32 + fSpecial*2; break;
|
---|
| 2354 | case DBGFREGVALTYPE_U256: cchWidth = 64 + fSpecial*2; break;
|
---|
| 2355 | case DBGFREGVALTYPE_U512: cchWidth = 128 + fSpecial*2; break;
|
---|
[35586] | 2356 | case DBGFREGVALTYPE_R80: cchWidth = 0; break;
|
---|
| 2357 | case DBGFREGVALTYPE_DTR: cchWidth = 16+1+4 + fSpecial*2; break;
|
---|
| 2358 |
|
---|
| 2359 | case DBGFREGVALTYPE_32BIT_HACK:
|
---|
| 2360 | case DBGFREGVALTYPE_END:
|
---|
| 2361 | case DBGFREGVALTYPE_INVALID:
|
---|
| 2362 | break;
|
---|
| 2363 | /* no default, want gcc warnings */
|
---|
| 2364 | }
|
---|
| 2365 | uint32_t fFlags = RTSTR_F_ZEROPAD;
|
---|
| 2366 | if (fSpecial)
|
---|
| 2367 | fFlags |= RTSTR_F_SPECIAL;
|
---|
| 2368 | if (cchWidth != 0)
|
---|
| 2369 | fFlags |= RTSTR_F_WIDTH;
|
---|
| 2370 | return DBGFR3RegFormatValueEx(pszBuf, cbBuf, pValue, enmType, 16, cchWidth, 0, fFlags);
|
---|
| 2371 | }
|
---|
| 2372 |
|
---|
| 2373 |
|
---|
| 2374 | /**
|
---|
[35590] | 2375 | * Format a register using special hacks as well as sub-field specifications
|
---|
| 2376 | * (the latter isn't implemented yet).
|
---|
| 2377 | */
|
---|
| 2378 | static size_t
|
---|
[35625] | 2379 | dbgfR3RegPrintfCbFormatField(PDBGFR3REGPRINTFARGS pThis, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
|
---|
| 2380 | PCDBGFREGLOOKUP pLookupRec, int cchWidth, int cchPrecision, unsigned fFlags)
|
---|
[35590] | 2381 | {
|
---|
| 2382 | char szTmp[160];
|
---|
| 2383 |
|
---|
[39078] | 2384 | NOREF(cchWidth); NOREF(cchPrecision); NOREF(fFlags);
|
---|
| 2385 |
|
---|
[35590] | 2386 | /*
|
---|
| 2387 | * Retrieve the register value.
|
---|
| 2388 | */
|
---|
| 2389 | DBGFREGVAL Value;
|
---|
| 2390 | DBGFREGVALTYPE enmType;
|
---|
[44399] | 2391 | int rc = dbgfR3RegNmQueryWorkerOnCpu(pThis->pUVM, pLookupRec, DBGFREGVALTYPE_END, &Value, &enmType);
|
---|
[35590] | 2392 | if (RT_FAILURE(rc))
|
---|
| 2393 | {
|
---|
| 2394 | PCRTSTATUSMSG pErr = RTErrGet(rc);
|
---|
| 2395 | if (pErr)
|
---|
| 2396 | return pfnOutput(pvArgOutput, pErr->pszDefine, strlen(pErr->pszDefine));
|
---|
| 2397 | return pfnOutput(pvArgOutput, szTmp, RTStrPrintf(szTmp, sizeof(szTmp), "rc=%d", rc));
|
---|
| 2398 | }
|
---|
| 2399 |
|
---|
| 2400 | char *psz = szTmp;
|
---|
| 2401 |
|
---|
| 2402 | /*
|
---|
| 2403 | * Special case: Format eflags.
|
---|
| 2404 | */
|
---|
| 2405 | if ( pLookupRec->pSet->enmType == DBGFREGSETTYPE_CPU
|
---|
| 2406 | && pLookupRec->pDesc->enmReg == DBGFREG_RFLAGS
|
---|
| 2407 | && pLookupRec->pSubField == NULL)
|
---|
| 2408 | {
|
---|
| 2409 | rc = dbgfR3RegValCast(&Value, enmType, DBGFREGVALTYPE_U32);
|
---|
| 2410 | AssertRC(rc);
|
---|
| 2411 | uint32_t const efl = Value.u32;
|
---|
| 2412 |
|
---|
| 2413 | /* the iopl */
|
---|
| 2414 | psz += RTStrPrintf(psz, sizeof(szTmp) / 2, "iopl=%u ", X86_EFL_GET_IOPL(efl));
|
---|
| 2415 |
|
---|
| 2416 | /* add flags */
|
---|
| 2417 | static const struct
|
---|
| 2418 | {
|
---|
| 2419 | const char *pszSet;
|
---|
| 2420 | const char *pszClear;
|
---|
| 2421 | uint32_t fFlag;
|
---|
| 2422 | } aFlags[] =
|
---|
| 2423 | {
|
---|
| 2424 | { "vip",NULL, X86_EFL_VIP },
|
---|
| 2425 | { "vif",NULL, X86_EFL_VIF },
|
---|
| 2426 | { "ac", NULL, X86_EFL_AC },
|
---|
| 2427 | { "vm", NULL, X86_EFL_VM },
|
---|
| 2428 | { "rf", NULL, X86_EFL_RF },
|
---|
| 2429 | { "nt", NULL, X86_EFL_NT },
|
---|
| 2430 | { "ov", "nv", X86_EFL_OF },
|
---|
| 2431 | { "dn", "up", X86_EFL_DF },
|
---|
| 2432 | { "ei", "di", X86_EFL_IF },
|
---|
| 2433 | { "tf", NULL, X86_EFL_TF },
|
---|
| 2434 | { "ng", "pl", X86_EFL_SF },
|
---|
| 2435 | { "zr", "nz", X86_EFL_ZF },
|
---|
| 2436 | { "ac", "na", X86_EFL_AF },
|
---|
| 2437 | { "po", "pe", X86_EFL_PF },
|
---|
| 2438 | { "cy", "nc", X86_EFL_CF },
|
---|
| 2439 | };
|
---|
| 2440 | for (unsigned i = 0; i < RT_ELEMENTS(aFlags); i++)
|
---|
| 2441 | {
|
---|
| 2442 | const char *pszAdd = aFlags[i].fFlag & efl ? aFlags[i].pszSet : aFlags[i].pszClear;
|
---|
| 2443 | if (pszAdd)
|
---|
| 2444 | {
|
---|
| 2445 | *psz++ = *pszAdd++;
|
---|
| 2446 | *psz++ = *pszAdd++;
|
---|
| 2447 | if (*pszAdd)
|
---|
| 2448 | *psz++ = *pszAdd++;
|
---|
| 2449 | *psz++ = ' ';
|
---|
| 2450 | }
|
---|
| 2451 | }
|
---|
| 2452 |
|
---|
| 2453 | /* drop trailing space */
|
---|
| 2454 | psz--;
|
---|
| 2455 | }
|
---|
| 2456 | else
|
---|
| 2457 | {
|
---|
| 2458 | /*
|
---|
| 2459 | * General case.
|
---|
| 2460 | */
|
---|
| 2461 | AssertMsgFailed(("Not implemented: %s\n", pLookupRec->Core.pszString));
|
---|
| 2462 | return pfnOutput(pvArgOutput, pLookupRec->Core.pszString, pLookupRec->Core.cchString);
|
---|
| 2463 | }
|
---|
| 2464 |
|
---|
| 2465 | /* Output the string. */
|
---|
| 2466 | return pfnOutput(pvArgOutput, szTmp, psz - &szTmp[0]);
|
---|
| 2467 | }
|
---|
| 2468 |
|
---|
| 2469 |
|
---|
| 2470 | /**
|
---|
| 2471 | * Formats a register having parsed up to the register name.
|
---|
| 2472 | */
|
---|
| 2473 | static size_t
|
---|
[35625] | 2474 | dbgfR3RegPrintfCbFormatNormal(PDBGFR3REGPRINTFARGS pThis, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
|
---|
| 2475 | PCDBGFREGLOOKUP pLookupRec, unsigned uBase, int cchWidth, int cchPrecision, unsigned fFlags)
|
---|
[35590] | 2476 | {
|
---|
| 2477 | char szTmp[160];
|
---|
| 2478 |
|
---|
| 2479 | /*
|
---|
| 2480 | * Get the register value.
|
---|
| 2481 | */
|
---|
| 2482 | DBGFREGVAL Value;
|
---|
| 2483 | DBGFREGVALTYPE enmType;
|
---|
[44399] | 2484 | int rc = dbgfR3RegNmQueryWorkerOnCpu(pThis->pUVM, pLookupRec, DBGFREGVALTYPE_END, &Value, &enmType);
|
---|
[35590] | 2485 | if (RT_FAILURE(rc))
|
---|
| 2486 | {
|
---|
| 2487 | PCRTSTATUSMSG pErr = RTErrGet(rc);
|
---|
| 2488 | if (pErr)
|
---|
| 2489 | return pfnOutput(pvArgOutput, pErr->pszDefine, strlen(pErr->pszDefine));
|
---|
| 2490 | return pfnOutput(pvArgOutput, szTmp, RTStrPrintf(szTmp, sizeof(szTmp), "rc=%d", rc));
|
---|
| 2491 | }
|
---|
| 2492 |
|
---|
| 2493 | /*
|
---|
| 2494 | * Format the value.
|
---|
| 2495 | */
|
---|
| 2496 | ssize_t cchOutput = dbgfR3RegFormatValueInt(szTmp, sizeof(szTmp), &Value, enmType, uBase, cchWidth, cchPrecision, fFlags);
|
---|
| 2497 | if (RT_UNLIKELY(cchOutput <= 0))
|
---|
| 2498 | {
|
---|
| 2499 | AssertFailed();
|
---|
| 2500 | return pfnOutput(pvArgOutput, "internal-error", sizeof("internal-error") - 1);
|
---|
| 2501 | }
|
---|
| 2502 | return pfnOutput(pvArgOutput, szTmp, cchOutput);
|
---|
| 2503 | }
|
---|
| 2504 |
|
---|
| 2505 |
|
---|
| 2506 | /**
|
---|
[35586] | 2507 | * @callback_method_impl{FNSTRFORMAT}
|
---|
| 2508 | */
|
---|
| 2509 | static DECLCALLBACK(size_t)
|
---|
[35625] | 2510 | dbgfR3RegPrintfCbFormat(void *pvArg, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
|
---|
| 2511 | const char **ppszFormat, va_list *pArgs, int cchWidth,
|
---|
| 2512 | int cchPrecision, unsigned fFlags, char chArgSize)
|
---|
[35586] | 2513 | {
|
---|
[39078] | 2514 | NOREF(pArgs); NOREF(chArgSize);
|
---|
| 2515 |
|
---|
[35586] | 2516 | /*
|
---|
[35590] | 2517 | * Parse the format type and hand the job to the appropriate worker.
|
---|
[35586] | 2518 | */
|
---|
[35625] | 2519 | PDBGFR3REGPRINTFARGS pThis = (PDBGFR3REGPRINTFARGS)pvArg;
|
---|
[35586] | 2520 | const char *pszFormat = *ppszFormat;
|
---|
| 2521 | if ( pszFormat[0] != 'V'
|
---|
| 2522 | || pszFormat[1] != 'R')
|
---|
| 2523 | {
|
---|
| 2524 | AssertMsgFailed(("'%s'\n", pszFormat));
|
---|
| 2525 | return 0;
|
---|
| 2526 | }
|
---|
[35590] | 2527 | unsigned offCurly = 2;
|
---|
| 2528 | if (pszFormat[offCurly] != '{')
|
---|
[35586] | 2529 | {
|
---|
[35590] | 2530 | AssertMsgReturn(pszFormat[offCurly], ("'%s'\n", pszFormat), 0);
|
---|
| 2531 | offCurly++;
|
---|
| 2532 | AssertMsgReturn(pszFormat[offCurly] == '{', ("'%s'\n", pszFormat), 0);
|
---|
[35586] | 2533 | }
|
---|
[35590] | 2534 | const char *pachReg = &pszFormat[offCurly + 1];
|
---|
[35586] | 2535 |
|
---|
[35590] | 2536 | /*
|
---|
| 2537 | * The end and length of the register.
|
---|
| 2538 | */
|
---|
[35606] | 2539 | const char *pszEnd = strchr(pachReg, '}');
|
---|
[35586] | 2540 | AssertMsgReturn(pszEnd, ("Missing closing curly bracket: '%s'\n", pszFormat), 0);
|
---|
[35590] | 2541 | size_t const cchReg = pszEnd - pachReg;
|
---|
[35586] | 2542 |
|
---|
| 2543 | /*
|
---|
| 2544 | * Look up the register - same as dbgfR3RegResolve, except for locking and
|
---|
| 2545 | * input string termination.
|
---|
| 2546 | */
|
---|
[44399] | 2547 | PRTSTRSPACE pRegSpace = &pThis->pUVM->dbgf.s.RegSpace;
|
---|
[35586] | 2548 | /* Try looking up the name without any case folding or cpu prefixing. */
|
---|
[44399] | 2549 | PCDBGFREGLOOKUP pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGetN(pRegSpace, pachReg, cchReg);
|
---|
[35586] | 2550 | if (!pLookupRec)
|
---|
| 2551 | {
|
---|
| 2552 | /* Lower case it and try again. */
|
---|
[35590] | 2553 | char szName[DBGF_REG_MAX_NAME * 4 + 16];
|
---|
| 2554 | ssize_t cchFolded = dbgfR3RegCopyToLower(pachReg, cchReg, szName, sizeof(szName) - DBGF_REG_MAX_NAME);
|
---|
[35586] | 2555 | if (cchFolded > 0)
|
---|
[44399] | 2556 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
[35586] | 2557 | if ( !pLookupRec
|
---|
| 2558 | && cchFolded >= 0
|
---|
| 2559 | && pThis->idCpu != VMCPUID_ANY)
|
---|
| 2560 | {
|
---|
| 2561 | /* Prefix it with the specified CPU set. */
|
---|
[35606] | 2562 | size_t cchCpuSet = RTStrPrintf(szName, sizeof(szName), pThis->fGuestRegs ? "cpu%u." : "hypercpu%u.", pThis->idCpu);
|
---|
[35590] | 2563 | dbgfR3RegCopyToLower(pachReg, cchReg, &szName[cchCpuSet], sizeof(szName) - cchCpuSet);
|
---|
[44399] | 2564 | pLookupRec = (PCDBGFREGLOOKUP)RTStrSpaceGet(pRegSpace, szName);
|
---|
[35586] | 2565 | }
|
---|
| 2566 | }
|
---|
| 2567 | AssertMsgReturn(pLookupRec, ("'%s'\n", pszFormat), 0);
|
---|
| 2568 | AssertMsgReturn( pLookupRec->pSet->enmType != DBGFREGSETTYPE_CPU
|
---|
| 2569 | || pLookupRec->pSet->uUserArg.pVCpu->idCpu == pThis->idCpu,
|
---|
| 2570 | ("'%s' idCpu=%u, pSet/cpu=%u\n", pszFormat, pThis->idCpu, pLookupRec->pSet->uUserArg.pVCpu->idCpu),
|
---|
| 2571 | 0);
|
---|
| 2572 |
|
---|
| 2573 | /*
|
---|
[35590] | 2574 | * Commit the parsed format string. Up to this point it is nice to know
|
---|
| 2575 | * what register lookup failed and such, so we've delayed comitting.
|
---|
[35586] | 2576 | */
|
---|
[35590] | 2577 | *ppszFormat = pszEnd + 1;
|
---|
[35586] | 2578 |
|
---|
| 2579 | /*
|
---|
[35590] | 2580 | * Call the responsible worker.
|
---|
[35586] | 2581 | */
|
---|
[35590] | 2582 | switch (pszFormat[offCurly - 1])
|
---|
[35586] | 2583 | {
|
---|
[35590] | 2584 | case 'R': /* %VR{} */
|
---|
| 2585 | case 'X': /* %VRX{} */
|
---|
[35625] | 2586 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
| 2587 | 16, cchWidth, cchPrecision, fFlags);
|
---|
[35590] | 2588 | case 'U':
|
---|
[35625] | 2589 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
| 2590 | 10, cchWidth, cchPrecision, fFlags);
|
---|
[35590] | 2591 | case 'O':
|
---|
[35625] | 2592 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
| 2593 | 8, cchWidth, cchPrecision, fFlags);
|
---|
[35590] | 2594 | case 'B':
|
---|
[35625] | 2595 | return dbgfR3RegPrintfCbFormatNormal(pThis, pfnOutput, pvArgOutput, pLookupRec,
|
---|
| 2596 | 2, cchWidth, cchPrecision, fFlags);
|
---|
[35590] | 2597 | case 'F':
|
---|
[35625] | 2598 | return dbgfR3RegPrintfCbFormatField(pThis, pfnOutput, pvArgOutput, pLookupRec, cchWidth, cchPrecision, fFlags);
|
---|
[35590] | 2599 | default:
|
---|
| 2600 | AssertFailed();
|
---|
| 2601 | return 0;
|
---|
[35586] | 2602 | }
|
---|
| 2603 | }
|
---|
| 2604 |
|
---|
| 2605 |
|
---|
[35590] | 2606 |
|
---|
[35586] | 2607 | /**
|
---|
| 2608 | * @callback_method_impl{FNRTSTROUTPUT}
|
---|
| 2609 | */
|
---|
| 2610 | static DECLCALLBACK(size_t)
|
---|
[35625] | 2611 | dbgfR3RegPrintfCbOutput(void *pvArg, const char *pachChars, size_t cbChars)
|
---|
[35586] | 2612 | {
|
---|
[35625] | 2613 | PDBGFR3REGPRINTFARGS pArgs = (PDBGFR3REGPRINTFARGS)pvArg;
|
---|
[35586] | 2614 | size_t cbToCopy = cbChars;
|
---|
| 2615 | if (cbToCopy >= pArgs->cchLeftBuf)
|
---|
| 2616 | {
|
---|
| 2617 | if (RT_SUCCESS(pArgs->rc))
|
---|
| 2618 | pArgs->rc = VERR_BUFFER_OVERFLOW;
|
---|
| 2619 | cbToCopy = pArgs->cchLeftBuf;
|
---|
| 2620 | }
|
---|
| 2621 | if (cbToCopy > 0)
|
---|
| 2622 | {
|
---|
[36826] | 2623 | memcpy(&pArgs->pszBuf[pArgs->offBuf], pachChars, cbToCopy);
|
---|
| 2624 | pArgs->offBuf += cbToCopy;
|
---|
| 2625 | pArgs->cchLeftBuf -= cbToCopy;
|
---|
[35586] | 2626 | pArgs->pszBuf[pArgs->offBuf] = '\0';
|
---|
| 2627 | }
|
---|
| 2628 | return cbToCopy;
|
---|
| 2629 | }
|
---|
| 2630 |
|
---|
| 2631 |
|
---|
| 2632 | /**
|
---|
[35625] | 2633 | * On CPU worker for the register formatting, used by DBGFR3RegPrintfV.
|
---|
[35586] | 2634 | *
|
---|
| 2635 | * @returns VBox status code.
|
---|
| 2636 | *
|
---|
| 2637 | * @param pArgs The argument package and state.
|
---|
| 2638 | */
|
---|
[35625] | 2639 | static DECLCALLBACK(int) dbgfR3RegPrintfWorkerOnCpu(PDBGFR3REGPRINTFARGS pArgs)
|
---|
[35586] | 2640 | {
|
---|
[44399] | 2641 | DBGF_REG_DB_LOCK_READ(pArgs->pUVM);
|
---|
[35625] | 2642 | RTStrFormatV(dbgfR3RegPrintfCbOutput, pArgs, dbgfR3RegPrintfCbFormat, pArgs, pArgs->pszFormat, pArgs->va);
|
---|
[44399] | 2643 | DBGF_REG_DB_UNLOCK_READ(pArgs->pUVM);
|
---|
[35586] | 2644 | return pArgs->rc;
|
---|
| 2645 | }
|
---|
| 2646 |
|
---|
| 2647 |
|
---|
| 2648 | /**
|
---|
| 2649 | * Format a registers.
|
---|
| 2650 | *
|
---|
| 2651 | * This is restricted to registers from one CPU, that specified by @a idCpu.
|
---|
| 2652 | *
|
---|
| 2653 | * @returns VBox status code.
|
---|
[44399] | 2654 | * @param pUVM The user mode VM handle.
|
---|
[35586] | 2655 | * @param idCpu The CPU ID of any CPU registers that may be
|
---|
| 2656 | * printed, pass VMCPUID_ANY if not applicable.
|
---|
| 2657 | * @param pszBuf The output buffer.
|
---|
| 2658 | * @param cbBuf The size of the output buffer.
|
---|
| 2659 | * @param pszFormat The format string. Register names are given by
|
---|
| 2660 | * %VR{name}, they take no arguments.
|
---|
| 2661 | * @param va Other format arguments.
|
---|
| 2662 | */
|
---|
[44399] | 2663 | VMMR3DECL(int) DBGFR3RegPrintfV(PUVM pUVM, VMCPUID idCpu, char *pszBuf, size_t cbBuf, const char *pszFormat, va_list va)
|
---|
[35586] | 2664 | {
|
---|
| 2665 | AssertPtrReturn(pszBuf, VERR_INVALID_POINTER);
|
---|
| 2666 | AssertReturn(cbBuf > 0, VERR_BUFFER_OVERFLOW);
|
---|
| 2667 | *pszBuf = '\0';
|
---|
| 2668 |
|
---|
[44399] | 2669 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 2670 | AssertReturn((idCpu & ~DBGFREG_HYPER_VMCPUID) < pUVM->cCpus || idCpu == VMCPUID_ANY, VERR_INVALID_CPU_ID);
|
---|
[35586] | 2671 | AssertPtrReturn(pszFormat, VERR_INVALID_POINTER);
|
---|
| 2672 |
|
---|
| 2673 | /*
|
---|
| 2674 | * Set up an argument package and execute the formatting on the
|
---|
| 2675 | * specified CPU.
|
---|
| 2676 | */
|
---|
[35625] | 2677 | DBGFR3REGPRINTFARGS Args;
|
---|
[44399] | 2678 | Args.pUVM = pUVM;
|
---|
[35606] | 2679 | Args.idCpu = idCpu != VMCPUID_ANY ? idCpu & ~DBGFREG_HYPER_VMCPUID : idCpu;
|
---|
| 2680 | Args.fGuestRegs = idCpu != VMCPUID_ANY && !(idCpu & DBGFREG_HYPER_VMCPUID);
|
---|
[35586] | 2681 | Args.pszBuf = pszBuf;
|
---|
| 2682 | Args.pszFormat = pszFormat;
|
---|
| 2683 | va_copy(Args.va, va);
|
---|
| 2684 | Args.offBuf = 0;
|
---|
| 2685 | Args.cchLeftBuf = cbBuf - 1;
|
---|
| 2686 | Args.rc = VINF_SUCCESS;
|
---|
[44399] | 2687 | int rc = VMR3ReqPriorityCallWaitU(pUVM, Args.idCpu, (PFNRT)dbgfR3RegPrintfWorkerOnCpu, 1, &Args);
|
---|
[35586] | 2688 | va_end(Args.va);
|
---|
| 2689 | return rc;
|
---|
| 2690 | }
|
---|
| 2691 |
|
---|
| 2692 |
|
---|
| 2693 | /**
|
---|
| 2694 | * Format a registers.
|
---|
| 2695 | *
|
---|
| 2696 | * This is restricted to registers from one CPU, that specified by @a idCpu.
|
---|
| 2697 | *
|
---|
| 2698 | * @returns VBox status code.
|
---|
[44399] | 2699 | * @param pUVM The user mode VM handle.
|
---|
[35586] | 2700 | * @param idCpu The CPU ID of any CPU registers that may be
|
---|
| 2701 | * printed, pass VMCPUID_ANY if not applicable.
|
---|
| 2702 | * @param pszBuf The output buffer.
|
---|
| 2703 | * @param cbBuf The size of the output buffer.
|
---|
| 2704 | * @param pszFormat The format string. Register names are given by
|
---|
| 2705 | * %VR{name}, %VRU{name}, %VRO{name} and
|
---|
| 2706 | * %VRB{name}, which are hexadecimal, (unsigned)
|
---|
| 2707 | * decimal, octal and binary representation. None
|
---|
| 2708 | * of these types takes any arguments.
|
---|
| 2709 | * @param ... Other format arguments.
|
---|
| 2710 | */
|
---|
[44399] | 2711 | VMMR3DECL(int) DBGFR3RegPrintf(PUVM pUVM, VMCPUID idCpu, char *pszBuf, size_t cbBuf, const char *pszFormat, ...)
|
---|
[35586] | 2712 | {
|
---|
| 2713 | va_list va;
|
---|
| 2714 | va_start(va, pszFormat);
|
---|
[44399] | 2715 | int rc = DBGFR3RegPrintfV(pUVM, idCpu, pszBuf, cbBuf, pszFormat, va);
|
---|
[35586] | 2716 | va_end(va);
|
---|
| 2717 | return rc;
|
---|
| 2718 | }
|
---|
| 2719 |
|
---|