[86105] | 1 | /* $Id: DBGCRemoteKd.cpp 104612 2024-05-13 16:10:11Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DBGC - Debugger Console, Windows Kd Remote Stub.
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2020-2023 Oracle and/or its affiliates.
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[86105] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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[86105] | 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #include <VBox/dbg.h>
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| 33 | #include <VBox/vmm/dbgf.h>
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| 34 | #include <VBox/vmm/vmapi.h> /* VMR3GetVM() */
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| 35 | #include <VBox/vmm/hm.h> /* HMR3IsEnabled */
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| 36 | #include <VBox/vmm/nem.h> /* NEMR3IsEnabled */
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| 37 | #include <iprt/assertcompile.h>
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| 38 | #include <iprt/cdefs.h>
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| 39 | #include <iprt/err.h>
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| 40 | #include <iprt/list.h>
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| 41 | #include <iprt/mem.h>
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| 42 | #include <iprt/sg.h>
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| 43 | #include <iprt/string.h>
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| 44 | #include <iprt/time.h>
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| 45 | #include <iprt/x86.h>
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| 46 | #include <iprt/formats/pecoff.h>
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| 47 | #include <iprt/formats/mz.h>
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| 48 |
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| 49 | #include <stdlib.h>
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| 50 |
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| 51 | #include "DBGCInternal.h"
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| 52 |
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| 53 |
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| 54 | /*********************************************************************************************************************************
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| 55 | * Defined Constants And Macros *
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| 56 | *********************************************************************************************************************************/
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| 57 |
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| 58 | /** Number of milliseconds we wait for new data to arrive when a new packet was detected. */
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| 59 | #define DBGC_KD_RECV_TIMEOUT_MS UINT32_C(1000)
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| 60 |
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| 61 | /** NT status code - Success. */
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| 62 | #define NTSTATUS_SUCCESS 0
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[86244] | 63 | /** NT status code - buffer overflow. */
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| 64 | #define NTSTATUS_BUFFER_OVERFLOW UINT32_C(0x80000005)
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[86105] | 65 | /** NT status code - operation unsuccesful. */
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| 66 | #define NTSTATUS_UNSUCCESSFUL UINT32_C(0xc0000001)
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| 67 | /** NT status code - operation not implemented. */
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| 68 | #define NTSTATUS_NOT_IMPLEMENTED UINT32_C(0xc0000002)
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[86244] | 69 | /** NT status code - Object not found. */
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| 70 | #define NTSTATUS_NOT_FOUND UINT32_C(0xc0000225)
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[86105] | 71 |
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[86160] | 72 | /** Offset where the KD version block pointer is stored in the KPCR.
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| 73 | * From: https://www.geoffchappell.com/studies/windows/km/ntoskrnl/structs/kprcb/amd64.htm */
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| 74 | #define KD_KPCR_VERSION_BLOCK_ADDR_OFF 0x34
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[86113] | 75 |
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[86165] | 76 |
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[86105] | 77 | /*********************************************************************************************************************************
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| 78 | * Structures and Typedefs *
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| 79 | *********************************************************************************************************************************/
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| 80 |
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| 81 | /**
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| 82 | * KD packet header as sent over the wire.
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| 83 | */
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| 84 | typedef struct KDPACKETHDR
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| 85 | {
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| 86 | /** Packet signature (leader) - defines the type of packet. */
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| 87 | uint32_t u32Signature;
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| 88 | /** Packet (sub) type. */
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| 89 | uint16_t u16SubType;
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| 90 | /** Size of the packet body in bytes.*/
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| 91 | uint16_t cbBody;
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| 92 | /** Packet ID. */
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| 93 | uint32_t idPacket;
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| 94 | /** Checksum of the packet body. */
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| 95 | uint32_t u32ChkSum;
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| 96 | } KDPACKETHDR;
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| 97 | AssertCompileSize(KDPACKETHDR, 16);
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| 98 | /** Pointer to a packet header. */
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| 99 | typedef KDPACKETHDR *PKDPACKETHDR;
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| 100 | /** Pointer to a const packet header. */
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| 101 | typedef const KDPACKETHDR *PCKDPACKETHDR;
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| 102 |
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| 103 | /** Signature for a data packet. */
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| 104 | #define KD_PACKET_HDR_SIGNATURE_DATA UINT32_C(0x30303030)
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| 105 | /** First byte for a data packet header. */
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| 106 | #define KD_PACKET_HDR_SIGNATURE_DATA_BYTE 0x30
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| 107 | /** Signature for a control packet. */
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| 108 | #define KD_PACKET_HDR_SIGNATURE_CONTROL UINT32_C(0x69696969)
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| 109 | /** First byte for a control packet header. */
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| 110 | #define KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE 0x69
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| 111 | /** Signature for a breakin packet. */
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| 112 | #define KD_PACKET_HDR_SIGNATURE_BREAKIN UINT32_C(0x62626262)
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| 113 | /** First byte for a breakin packet header. */
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| 114 | #define KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE 0x62
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| 115 |
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| 116 | /** @name Packet sub types.
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| 117 | * @{ */
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| 118 | #define KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32 UINT16_C(1)
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| 119 | #define KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE UINT16_C(2)
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| 120 | #define KD_PACKET_HDR_SUB_TYPE_DEBUG_IO UINT16_C(3)
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| 121 | #define KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE UINT16_C(4)
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| 122 | #define KD_PACKET_HDR_SUB_TYPE_RESEND UINT16_C(5)
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| 123 | #define KD_PACKET_HDR_SUB_TYPE_RESET UINT16_C(6)
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| 124 | #define KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64 UINT16_C(7)
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| 125 | #define KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN UINT16_C(8)
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| 126 | #define KD_PACKET_HDR_SUB_TYPE_TRACE_IO UINT16_C(9)
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| 127 | #define KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST UINT16_C(10)
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| 128 | #define KD_PACKET_HDR_SUB_TYPE_FILE_IO UINT16_C(11)
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| 129 | #define KD_PACKET_HDR_SUB_TYPE_MAX UINT16_C(12)
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| 130 | /** @} */
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| 131 |
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| 132 | /** Initial packet ID value. */
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| 133 | #define KD_PACKET_HDR_ID_INITIAL UINT32_C(0x80800800)
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| 134 | /** Packet ID value after a resync. */
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| 135 | #define KD_PACKET_HDR_ID_RESET UINT32_C(0x80800000)
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| 136 |
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| 137 | /** Trailing byte of a packet. */
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| 138 | #define KD_PACKET_TRAILING_BYTE 0xaa
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| 139 |
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| 140 |
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| 141 | /** Maximum number of parameters in the exception record. */
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| 142 | #define KDPACKETEXCP_PARMS_MAX 15
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| 143 |
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| 144 | /**
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| 145 | * 64bit exception record.
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| 146 | */
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| 147 | typedef struct KDPACKETEXCP64
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| 148 | {
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| 149 | /** The exception code identifying the excpetion. */
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| 150 | uint32_t u32ExcpCode;
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| 151 | /** Flags associated with the exception. */
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| 152 | uint32_t u32ExcpFlags;
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| 153 | /** Pointer to a chained exception record. */
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| 154 | uint64_t u64PtrExcpRecNested;
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| 155 | /** Address where the exception occurred. */
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| 156 | uint64_t u64PtrExcpAddr;
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| 157 | /** Number of parameters in the exception information array. */
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| 158 | uint32_t cExcpParms;
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| 159 | /** Alignment. */
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| 160 | uint32_t u32Alignment;
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| 161 | /** Exception parameters array. */
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| 162 | uint64_t au64ExcpParms[KDPACKETEXCP_PARMS_MAX];
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| 163 | } KDPACKETEXCP64;
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| 164 | AssertCompileSize(KDPACKETEXCP64, 152);
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| 165 | /** Pointer to an exception record. */
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| 166 | typedef KDPACKETEXCP64 *PKDPACKETEXCP64;
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| 167 | /** Pointer to a const exception record. */
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| 168 | typedef const KDPACKETEXCP64 *PCKDPACKETEXCP64;
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| 169 |
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| 170 |
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| 171 | /**
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| 172 | * amd64 NT context structure.
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| 173 | */
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| 174 | typedef struct NTCONTEXT64
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| 175 | {
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| 176 | /** The P[1-6]Home members. */
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| 177 | uint64_t au64PHome[6];
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| 178 | /** Context flags indicating the valid bits, see NTCONTEXT_F_XXX. */
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| 179 | uint32_t fContext;
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| 180 | /** MXCSR register. */
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| 181 | uint32_t u32RegMxCsr;
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| 182 | /** CS selector. */
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| 183 | uint16_t u16SegCs;
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| 184 | /** DS selector. */
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| 185 | uint16_t u16SegDs;
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| 186 | /** ES selector. */
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| 187 | uint16_t u16SegEs;
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| 188 | /** FS selector. */
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| 189 | uint16_t u16SegFs;
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| 190 | /** GS selector. */
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| 191 | uint16_t u16SegGs;
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| 192 | /** SS selector. */
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| 193 | uint16_t u16SegSs;
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| 194 | /** EFlags register. */
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| 195 | uint32_t u32RegEflags;
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| 196 | /** DR0 register. */
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| 197 | uint64_t u64RegDr0;
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| 198 | /** DR1 register. */
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| 199 | uint64_t u64RegDr1;
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| 200 | /** DR2 register. */
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| 201 | uint64_t u64RegDr2;
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| 202 | /** DR3 register. */
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| 203 | uint64_t u64RegDr3;
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| 204 | /** DR6 register. */
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| 205 | uint64_t u64RegDr6;
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| 206 | /** DR7 register. */
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| 207 | uint64_t u64RegDr7;
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| 208 | /** RAX register. */
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| 209 | uint64_t u64RegRax;
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| 210 | /** RCX register. */
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| 211 | uint64_t u64RegRcx;
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| 212 | /** RDX register. */
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| 213 | uint64_t u64RegRdx;
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| 214 | /** RBX register. */
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| 215 | uint64_t u64RegRbx;
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| 216 | /** RSP register. */
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| 217 | uint64_t u64RegRsp;
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| 218 | /** RBP register. */
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| 219 | uint64_t u64RegRbp;
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| 220 | /** RSI register. */
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| 221 | uint64_t u64RegRsi;
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| 222 | /** RDI register. */
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| 223 | uint64_t u64RegRdi;
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| 224 | /** R8 register. */
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| 225 | uint64_t u64RegR8;
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| 226 | /** R9 register. */
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| 227 | uint64_t u64RegR9;
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| 228 | /** R10 register. */
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| 229 | uint64_t u64RegR10;
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| 230 | /** R11 register. */
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| 231 | uint64_t u64RegR11;
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| 232 | /** R12 register. */
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| 233 | uint64_t u64RegR12;
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| 234 | /** R13 register. */
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| 235 | uint64_t u64RegR13;
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| 236 | /** R14 register. */
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| 237 | uint64_t u64RegR14;
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| 238 | /** R15 register. */
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| 239 | uint64_t u64RegR15;
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| 240 | /** RIP register. */
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| 241 | uint64_t u64RegRip;
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| 242 | /** Extended floating point save area. */
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| 243 | X86FXSTATE FxSave;
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| 244 | /** AVX(?) vector registers. */
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| 245 | RTUINT128U aRegsVec[26];
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| 246 | /** Vector control register. */
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| 247 | uint64_t u64RegVecCtrl;
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| 248 | /** Debug control. */
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| 249 | uint64_t u64DbgCtrl;
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[87580] | 250 | /** @todo lbr */
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[86105] | 251 | uint64_t u64LastBrToRip;
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| 252 | uint64_t u64LastBrFromRip;
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| 253 | uint64_t u64LastExcpToRip;
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| 254 | uint64_t u64LastExcpFromRip;
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| 255 | } NTCONTEXT64;
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| 256 | AssertCompileSize(NTCONTEXT64, 1232);
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| 257 | AssertCompileMemberOffset(NTCONTEXT64, FxSave, 0x100);
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[86109] | 258 | AssertCompileMemberOffset(NTCONTEXT64, aRegsVec, 0x300);
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[86105] | 259 | /** Pointer to an amd64 NT context. */
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| 260 | typedef NTCONTEXT64 *PNTCONTEXT64;
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| 261 | /** Pointer to a const amd64 NT context. */
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| 262 | typedef const NTCONTEXT64 *PCNTCONTEXT64;
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| 263 |
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| 264 |
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| 265 | /**
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[86165] | 266 | * 64bit [GI]DT descriptor.
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[86105] | 267 | */
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| 268 | typedef struct NTKCONTEXTDESC64
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| 269 | {
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| 270 | /** Alignment. */
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| 271 | uint16_t au16Alignment[3];
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| 272 | /** Limit. */
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| 273 | uint16_t u16Limit;
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| 274 | /** Base address. */
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| 275 | uint64_t u64PtrBase;
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| 276 | } NTKCONTEXTDESC64;
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| 277 | AssertCompileSize(NTKCONTEXTDESC64, 2 * 8);
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[86165] | 278 | /** Pointer to a 64bit [GI]DT descriptor. */
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[86105] | 279 | typedef NTKCONTEXTDESC64 *PNTKCONTEXTDESC64;
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[86165] | 280 | /** Pointer to a const 64bit [GI]DT descriptor. */
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[86105] | 281 | typedef const NTKCONTEXTDESC64 *PCNTKCONTEXTDESC64;
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| 282 |
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| 283 |
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| 284 | /**
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| 285 | * Kernel context as queried by KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE
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| 286 | */
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| 287 | typedef struct NTKCONTEXT64
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| 288 | {
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| 289 | /** CR0 register. */
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| 290 | uint64_t u64RegCr0;
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| 291 | /** CR2 register. */
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| 292 | uint64_t u64RegCr2;
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| 293 | /** CR3 register. */
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| 294 | uint64_t u64RegCr3;
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| 295 | /** CR4 register. */
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| 296 | uint64_t u64RegCr4;
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| 297 | /** DR0 register. */
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| 298 | uint64_t u64RegDr0;
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| 299 | /** DR1 register. */
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| 300 | uint64_t u64RegDr1;
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| 301 | /** DR2 register. */
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| 302 | uint64_t u64RegDr2;
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| 303 | /** DR3 register. */
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| 304 | uint64_t u64RegDr3;
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| 305 | /** DR6 register. */
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| 306 | uint64_t u64RegDr6;
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| 307 | /** DR7 register. */
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| 308 | uint64_t u64RegDr7;
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| 309 | /** GDTR. */
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| 310 | NTKCONTEXTDESC64 Gdtr;
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| 311 | /** IDTR. */
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| 312 | NTKCONTEXTDESC64 Idtr;
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| 313 | /** TR register. */
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| 314 | uint16_t u16RegTr;
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| 315 | /** LDTR register. */
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| 316 | uint16_t u16RegLdtr;
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| 317 | /** MXCSR register. */
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| 318 | uint32_t u32RegMxCsr;
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| 319 | /** Debug control. */
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| 320 | uint64_t u64DbgCtrl;
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[87580] | 321 | /** @todo lbr */
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[86105] | 322 | uint64_t u64LastBrToRip;
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| 323 | uint64_t u64LastBrFromRip;
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| 324 | uint64_t u64LastExcpToRip;
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| 325 | uint64_t u64LastExcpFromRip;
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| 326 | /** CR8 register. */
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| 327 | uint64_t u64RegCr8;
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| 328 | /** GS base MSR register. */
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| 329 | uint64_t u64MsrGsBase;
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| 330 | /** Kernel GS base MSR register. */
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| 331 | uint64_t u64MsrKernelGsBase;
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| 332 | /** STAR MSR register. */
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| 333 | uint64_t u64MsrStar;
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| 334 | /** LSTAR MSR register. */
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| 335 | uint64_t u64MsrLstar;
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| 336 | /** CSTAR MSR register. */
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| 337 | uint64_t u64MsrCstar;
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| 338 | /** SFMASK MSR register. */
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| 339 | uint64_t u64MsrSfMask;
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| 340 | /** XCR0 register. */
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| 341 | uint64_t u64RegXcr0;
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| 342 | /** Standard context. */
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| 343 | NTCONTEXT64 Ctx;
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| 344 | } NTKCONTEXT64;
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[86148] | 345 | AssertCompileMemberOffset(NTKCONTEXT64, Ctx, 224);
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[86105] | 346 | /** Pointer to an amd64 NT context. */
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| 347 | typedef NTKCONTEXT64 *PNTKCONTEXT64;
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| 348 | /** Pointer to a const amd64 NT context. */
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| 349 | typedef const NTKCONTEXT64 *PCNTKCONTEXT64;
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| 350 |
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| 351 |
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[86165] | 352 | /**
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| 353 | * 32bit context FPU save area.
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| 354 | */
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| 355 | typedef struct NTCONTEXT32_FPU_SAVE_AREA
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| 356 | {
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| 357 | uint32_t u32CtrlWord;
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| 358 | uint32_t u32StatusWord;
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| 359 | uint32_t u32TagWord;
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| 360 | uint32_t u32ErrorOff;
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| 361 | uint32_t u32ErrorSel;
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| 362 | uint32_t u32DataOff;
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| 363 | uint32_t u32DataSel;
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[96866] | 364 | X86FPUMMX aFpuRegs[8];
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[86165] | 365 | uint32_t u32Cr0Npx;
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| 366 | } NTCONTEXT32_FPU_SAVE_AREA;
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| 367 | /** Pointer to an 32bit context FPU save area. */
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| 368 | typedef NTCONTEXT32_FPU_SAVE_AREA *PNTCONTEXT32_FPU_SAVE_AREA;
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| 369 | /** Pointer to a const 32bit context FPU save area. */
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| 370 | typedef const NTCONTEXT32_FPU_SAVE_AREA *PCNTCONTEXT32_FPU_SAVE_AREA;
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| 371 |
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| 372 |
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| 373 | /**
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| 374 | * i386 NT context structure.
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| 375 | */
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| 376 | typedef struct NTCONTEXT32
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| 377 | {
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| 378 | /** Context flags indicating the valid bits, see NTCONTEXT_F_XXX. */
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| 379 | uint32_t fContext;
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| 380 | /** DR0 register. */
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| 381 | uint32_t u32RegDr0;
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| 382 | /** DR1 register. */
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| 383 | uint32_t u32RegDr1;
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| 384 | /** DR2 register. */
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| 385 | uint32_t u32RegDr2;
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| 386 | /** DR3 register. */
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| 387 | uint32_t u32RegDr3;
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| 388 | /** DR6 register. */
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| 389 | uint32_t u32RegDr6;
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| 390 | /** DR7 register. */
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| 391 | uint32_t u32RegDr7;
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| 392 | /** Floating point save area. */
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| 393 | NTCONTEXT32_FPU_SAVE_AREA FloatSave;
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| 394 | /** GS segment. */
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| 395 | uint32_t u32SegGs;
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| 396 | /** FS segment. */
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| 397 | uint32_t u32SegFs;
|
---|
| 398 | /** ES segment. */
|
---|
| 399 | uint32_t u32SegEs;
|
---|
| 400 | /** DS segment. */
|
---|
| 401 | uint32_t u32SegDs;
|
---|
| 402 | /** EDI register. */
|
---|
| 403 | uint32_t u32RegEdi;
|
---|
| 404 | /** ESI register. */
|
---|
| 405 | uint32_t u32RegEsi;
|
---|
| 406 | /** EBX register. */
|
---|
| 407 | uint32_t u32RegEbx;
|
---|
| 408 | /** EDX register. */
|
---|
| 409 | uint32_t u32RegEdx;
|
---|
| 410 | /** ECX register. */
|
---|
| 411 | uint32_t u32RegEcx;
|
---|
| 412 | /** EAX register. */
|
---|
| 413 | uint32_t u32RegEax;
|
---|
| 414 | /** EBP register. */
|
---|
| 415 | uint32_t u32RegEbp;
|
---|
| 416 | /** EIP register. */
|
---|
| 417 | uint32_t u32RegEip;
|
---|
| 418 | /** CS segment. */
|
---|
| 419 | uint32_t u32SegCs;
|
---|
| 420 | /** EFLAGS register. */
|
---|
| 421 | uint32_t u32RegEflags;
|
---|
| 422 | /** ESP register. */
|
---|
| 423 | uint32_t u32RegEsp;
|
---|
| 424 | /** SS segment. */
|
---|
| 425 | uint32_t u32SegSs;
|
---|
| 426 | /** @todo Extended registers */
|
---|
| 427 | uint8_t abRegsExtended[512];
|
---|
| 428 | } NTCONTEXT32;
|
---|
| 429 | AssertCompileSize(NTCONTEXT32, 716);
|
---|
| 430 | /** Pointer to an i386 NT context. */
|
---|
| 431 | typedef NTCONTEXT32 *PNTCONTEXT32;
|
---|
| 432 | /** Pointer to a const i386 NT context. */
|
---|
| 433 | typedef const NTCONTEXT32 *PCNTCONTEXT32;
|
---|
| 434 |
|
---|
| 435 |
|
---|
| 436 | /**
|
---|
| 437 | * 32bit [GI]DT descriptor.
|
---|
| 438 | */
|
---|
| 439 | typedef struct NTKCONTEXTDESC32
|
---|
| 440 | {
|
---|
| 441 | /** Alignment. */
|
---|
| 442 | uint16_t u16Alignment;
|
---|
| 443 | /** Limit. */
|
---|
| 444 | uint16_t u16Limit;
|
---|
| 445 | /** Base address. */
|
---|
| 446 | uint32_t u32PtrBase;
|
---|
| 447 | } NTKCONTEXTDESC32;
|
---|
| 448 | AssertCompileSize(NTKCONTEXTDESC32, 2 * 4);
|
---|
| 449 | /** Pointer to an 32bit [GI]DT descriptor. */
|
---|
| 450 | typedef NTKCONTEXTDESC32 *PNTKCONTEXTDESC32;
|
---|
| 451 | /** Pointer to a const 32bit [GI]DT descriptor. */
|
---|
| 452 | typedef const NTKCONTEXTDESC32 *PCNTKCONTEXTDESC32;
|
---|
| 453 |
|
---|
| 454 |
|
---|
| 455 | /**
|
---|
| 456 | * 32bit Kernel context as queried by KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE
|
---|
| 457 | */
|
---|
| 458 | typedef struct NTKCONTEXT32
|
---|
| 459 | {
|
---|
| 460 | /** CR0 register. */
|
---|
| 461 | uint32_t u32RegCr0;
|
---|
| 462 | /** CR2 register. */
|
---|
| 463 | uint32_t u32RegCr2;
|
---|
| 464 | /** CR3 register. */
|
---|
| 465 | uint32_t u32RegCr3;
|
---|
| 466 | /** CR4 register. */
|
---|
| 467 | uint32_t u32RegCr4;
|
---|
| 468 | /** DR0 register. */
|
---|
| 469 | uint32_t u32RegDr0;
|
---|
| 470 | /** DR1 register. */
|
---|
| 471 | uint32_t u32RegDr1;
|
---|
| 472 | /** DR2 register. */
|
---|
| 473 | uint32_t u32RegDr2;
|
---|
| 474 | /** DR3 register. */
|
---|
| 475 | uint32_t u32RegDr3;
|
---|
| 476 | /** DR6 register. */
|
---|
| 477 | uint32_t u32RegDr6;
|
---|
| 478 | /** DR7 register. */
|
---|
| 479 | uint32_t u32RegDr7;
|
---|
| 480 | /** GDTR. */
|
---|
| 481 | NTKCONTEXTDESC32 Gdtr;
|
---|
| 482 | /** IDTR. */
|
---|
| 483 | NTKCONTEXTDESC32 Idtr;
|
---|
| 484 | /** TR register. */
|
---|
| 485 | uint16_t u16RegTr;
|
---|
| 486 | /** LDTR register. */
|
---|
| 487 | uint16_t u16RegLdtr;
|
---|
| 488 | /** Padding. */
|
---|
| 489 | uint8_t abPad[24];
|
---|
| 490 | } NTKCONTEXT32;
|
---|
| 491 | AssertCompileSize(NTKCONTEXT32, 84);
|
---|
| 492 | /** Pointer to an i386 NT context. */
|
---|
| 493 | typedef NTKCONTEXT32 *PNTKCONTEXT32;
|
---|
| 494 | /** Pointer to a const i386 NT context. */
|
---|
| 495 | typedef const NTKCONTEXT32 *PCNTKCONTEXT32;
|
---|
| 496 |
|
---|
| 497 |
|
---|
[86105] | 498 | /** x86 context. */
|
---|
| 499 | #define NTCONTEXT_F_X86 UINT32_C(0x00010000)
|
---|
| 500 | /** AMD64 context. */
|
---|
| 501 | #define NTCONTEXT_F_AMD64 UINT32_C(0x00100000)
|
---|
| 502 | /** Control registers valid (CS, (R)SP, (R)IP, FLAGS and BP). */
|
---|
| 503 | #define NTCONTEXT_F_CONTROL RT_BIT_32(0)
|
---|
| 504 | /** Integer registers valid. */
|
---|
| 505 | #define NTCONTEXT_F_INTEGER RT_BIT_32(1)
|
---|
| 506 | /** Segment registers valid. */
|
---|
| 507 | #define NTCONTEXT_F_SEGMENTS RT_BIT_32(2)
|
---|
| 508 | /** Floating point registers valid. */
|
---|
| 509 | #define NTCONTEXT_F_FLOATING_POINT RT_BIT_32(3)
|
---|
| 510 | /** Debug registers valid. */
|
---|
| 511 | #define NTCONTEXT_F_DEBUG RT_BIT_32(4)
|
---|
| 512 | /** Extended registers valid (x86 only). */
|
---|
| 513 | #define NTCONTEXT_F_EXTENDED RT_BIT_32(5)
|
---|
| 514 | /** Full x86 context valid. */
|
---|
| 515 | #define NTCONTEXT32_F_FULL (NTCONTEXT_F_X86 | NTCONTEXT_F_CONTROL | NTCONTEXT_F_INTEGER | NTCONTEXT_F_SEGMENTS)
|
---|
| 516 | /** Full amd64 context valid. */
|
---|
| 517 | #define NTCONTEXT64_F_FULL (NTCONTEXT_F_AMD64 | NTCONTEXT_F_CONTROL | NTCONTEXT_F_INTEGER | NTCONTEXT_F_SEGMENTS)
|
---|
| 518 |
|
---|
| 519 |
|
---|
| 520 | /**
|
---|
| 521 | * 32bit exception record.
|
---|
| 522 | */
|
---|
| 523 | typedef struct KDPACKETEXCP32
|
---|
| 524 | {
|
---|
| 525 | /** The exception code identifying the excpetion. */
|
---|
| 526 | uint32_t u32ExcpCode;
|
---|
| 527 | /** Flags associated with the exception. */
|
---|
| 528 | uint32_t u32ExcpFlags;
|
---|
| 529 | /** Pointer to a chained exception record. */
|
---|
| 530 | uint32_t u32PtrExcpRecNested;
|
---|
| 531 | /** Address where the exception occurred. */
|
---|
| 532 | uint32_t u32PtrExcpAddr;
|
---|
| 533 | /** Number of parameters in the exception information array. */
|
---|
| 534 | uint32_t cExcpParms;
|
---|
| 535 | /** Exception parameters array. */
|
---|
| 536 | uint32_t au32ExcpParms[KDPACKETEXCP_PARMS_MAX];
|
---|
| 537 | } KDPACKETEXCP32;
|
---|
| 538 | AssertCompileSize(KDPACKETEXCP32, 80);
|
---|
| 539 | /** Pointer to an exception record. */
|
---|
| 540 | typedef KDPACKETEXCP32 *PKDPACKETEXCP32;
|
---|
| 541 | /** Pointer to a const exception record. */
|
---|
| 542 | typedef const KDPACKETEXCP32 *PCKDPACKETEXCP32;
|
---|
| 543 |
|
---|
| 544 |
|
---|
| 545 | /** @name Exception codes.
|
---|
| 546 | * @{ */
|
---|
| 547 | /** A breakpoint was hit. */
|
---|
| 548 | #define KD_PACKET_EXCP_CODE_BKPT UINT32_C(0x80000003)
|
---|
| 549 | /** An instruction was single stepped. */
|
---|
| 550 | #define KD_PACKET_EXCP_CODE_SINGLE_STEP UINT32_C(0x80000004)
|
---|
| 551 | /** @} */
|
---|
| 552 |
|
---|
| 553 |
|
---|
| 554 | /** Maximum number of bytes in the instruction stream. */
|
---|
| 555 | #define KD_PACKET_CTRL_REPORT_INSN_STREAM_MAX 16
|
---|
| 556 |
|
---|
| 557 | /**
|
---|
| 558 | * 64bit control report record.
|
---|
| 559 | */
|
---|
| 560 | typedef struct KDPACKETCTRLREPORT64
|
---|
| 561 | {
|
---|
| 562 | /** Value of DR6. */
|
---|
| 563 | uint64_t u64RegDr6;
|
---|
| 564 | /** Value of DR7. */
|
---|
| 565 | uint64_t u64RegDr7;
|
---|
| 566 | /** EFLAGS. */
|
---|
| 567 | uint32_t u32RegEflags;
|
---|
| 568 | /** Number of instruction bytes in the instruction stream. */
|
---|
| 569 | uint16_t cbInsnStream;
|
---|
| 570 | /** Report flags. */
|
---|
| 571 | uint16_t fFlags;
|
---|
| 572 | /** The instruction stream. */
|
---|
| 573 | uint8_t abInsn[KD_PACKET_CTRL_REPORT_INSN_STREAM_MAX];
|
---|
| 574 | /** CS selector. */
|
---|
| 575 | uint16_t u16SegCs;
|
---|
| 576 | /** DS selector. */
|
---|
| 577 | uint16_t u16SegDs;
|
---|
| 578 | /** ES selector. */
|
---|
| 579 | uint16_t u16SegEs;
|
---|
| 580 | /** FS selector. */
|
---|
| 581 | uint16_t u16SegFs;
|
---|
| 582 | } KDPACKETCTRLREPORT64;
|
---|
| 583 | AssertCompileSize(KDPACKETCTRLREPORT64, 2 * 8 + 4 + 2 * 2 + 16 + 4 * 2);
|
---|
| 584 | /** Pointer to a control report record. */
|
---|
| 585 | typedef KDPACKETCTRLREPORT64 *PKDPACKETCTRLREPORT64;
|
---|
| 586 | /** Pointer to a const control report record. */
|
---|
| 587 | typedef const KDPACKETCTRLREPORT64 *PCKDPACKETCTRLREPORT64;
|
---|
| 588 |
|
---|
| 589 |
|
---|
| 590 | /**
|
---|
| 591 | * 64bit state change packet body.
|
---|
| 592 | */
|
---|
| 593 | typedef struct KDPACKETSTATECHANGE64
|
---|
| 594 | {
|
---|
| 595 | /** The new state. */
|
---|
| 596 | uint32_t u32StateNew;
|
---|
| 597 | /** The processor level. */
|
---|
| 598 | uint16_t u16CpuLvl;
|
---|
| 599 | /** The processor ID generating the state change. */
|
---|
| 600 | uint16_t idCpu;
|
---|
| 601 | /** Number of processors in the system. */
|
---|
| 602 | uint32_t cCpus;
|
---|
| 603 | /** Alignment. */
|
---|
| 604 | uint32_t u32Alignment;
|
---|
| 605 | /** The thread ID currently executing when the state change occurred. */
|
---|
| 606 | uint64_t idThread;
|
---|
| 607 | /** Program counter of the thread. */
|
---|
| 608 | uint64_t u64RipThread;
|
---|
| 609 | /** Data based on the state. */
|
---|
| 610 | union
|
---|
| 611 | {
|
---|
| 612 | /** Exception occurred data. */
|
---|
| 613 | struct
|
---|
| 614 | {
|
---|
| 615 | /** The exception record. */
|
---|
| 616 | KDPACKETEXCP64 ExcpRec;
|
---|
| 617 | /** First chance(?). */
|
---|
| 618 | uint32_t u32FirstChance;
|
---|
| 619 | } Exception;
|
---|
| 620 | } u;
|
---|
| 621 | /** The control report */
|
---|
| 622 | union
|
---|
| 623 | {
|
---|
| 624 | /** AMD64 control report. */
|
---|
| 625 | KDPACKETCTRLREPORT64 Amd64;
|
---|
| 626 | } uCtrlReport;
|
---|
| 627 | } KDPACKETSTATECHANGE64;
|
---|
| 628 | //AssertCompileSize(KDPACKETSTATECHANGE64, 4 + 2 * 2 + 2 * 4 + 2 * 8 + sizeof(KDPACKETEXCP64) + 4 + sizeof(KDPACKETCTRLREPORT64));
|
---|
| 629 | /** Pointer to a 64bit state change packet body. */
|
---|
| 630 | typedef KDPACKETSTATECHANGE64 *PKDPACKETSTATECHANGE64;
|
---|
| 631 | /** Pointer to a const 64bit state change packet body. */
|
---|
| 632 | typedef const KDPACKETSTATECHANGE64 *PCKDPACKETSTATECHANGE64;
|
---|
| 633 |
|
---|
| 634 |
|
---|
| 635 | /** @name State change state types.
|
---|
| 636 | * @{ */
|
---|
| 637 | /** Minimum state change type. */
|
---|
| 638 | #define KD_PACKET_STATE_CHANGE_MIN UINT32_C(0x00003030)
|
---|
| 639 | /** An exception occured. */
|
---|
| 640 | #define KD_PACKET_STATE_CHANGE_EXCEPTION KD_PACKET_STATE_CHANGE_MIN
|
---|
| 641 | /** Symbols were loaded(?). */
|
---|
| 642 | #define KD_PACKET_STATE_CHANGE_LOAD_SYMBOLS UINT32_C(0x00003031)
|
---|
| 643 | /** Command string (custom command was executed?). */
|
---|
| 644 | #define KD_PACKET_STATE_CHANGE_CMD_STRING UINT32_C(0x00003032)
|
---|
| 645 | /** Maximum state change type (exclusive). */
|
---|
| 646 | #define KD_PACKET_STATE_CHANGE_MAX UINT32_C(0x00003033)
|
---|
| 647 | /** @} */
|
---|
| 648 |
|
---|
| 649 |
|
---|
| 650 | /**
|
---|
[86180] | 651 | * Debug I/O payload.
|
---|
| 652 | */
|
---|
| 653 | typedef struct KDPACKETDEBUGIO
|
---|
| 654 | {
|
---|
| 655 | /** Debug I/O payload type (KD_PACKET_DEBUG_IO_STRING). */
|
---|
| 656 | uint32_t u32Type;
|
---|
| 657 | /** The processor level. */
|
---|
| 658 | uint16_t u16CpuLvl;
|
---|
| 659 | /** The processor ID generating this packet. */
|
---|
| 660 | uint16_t idCpu;
|
---|
| 661 | /** Type dependent data. */
|
---|
| 662 | union
|
---|
| 663 | {
|
---|
| 664 | /** Debug string sent. */
|
---|
| 665 | struct
|
---|
| 666 | {
|
---|
[86184] | 667 | /** Length of the string following in bytes. */
|
---|
[86180] | 668 | uint32_t cbStr;
|
---|
| 669 | /** Some padding it looks like. */
|
---|
| 670 | uint32_t u32Pad;
|
---|
| 671 | } Str;
|
---|
[86184] | 672 | /** Debug prompt. */
|
---|
| 673 | struct
|
---|
| 674 | {
|
---|
| 675 | /** Length of prompt. */
|
---|
| 676 | uint32_t cbPrompt;
|
---|
| 677 | /** Size of the string returned on success. */
|
---|
| 678 | uint32_t cbReturn;
|
---|
| 679 | } Prompt;
|
---|
[86180] | 680 | } u;
|
---|
| 681 | } KDPACKETDEBUGIO;
|
---|
| 682 | AssertCompileSize(KDPACKETDEBUGIO, 16);
|
---|
| 683 | /** Pointer to a Debug I/O payload. */
|
---|
| 684 | typedef KDPACKETDEBUGIO *PKDPACKETDEBUGIO;
|
---|
| 685 | /** Pointer to a const Debug I/O payload. */
|
---|
| 686 | typedef const KDPACKETDEBUGIO *PCKDPACKETDEBUGIO;
|
---|
| 687 |
|
---|
| 688 |
|
---|
| 689 | /** @name Debug I/O types.
|
---|
| 690 | * @{ */
|
---|
| 691 | /** Debug string output (usually DbgPrint() and friends). */
|
---|
| 692 | #define KD_PACKET_DEBUG_IO_STRING UINT32_C(0x00003230)
|
---|
[86184] | 693 | /** Get debug string (DbgPrompt()). */
|
---|
| 694 | #define KD_PACKET_DEBUG_IO_GET_STRING UINT32_C(0x00003231)
|
---|
[86180] | 695 | /** @} */
|
---|
| 696 |
|
---|
| 697 |
|
---|
| 698 | /**
|
---|
[86105] | 699 | * 64bit get version manipulate payload.
|
---|
| 700 | */
|
---|
| 701 | typedef struct KDPACKETMANIPULATE_GETVERSION64
|
---|
| 702 | {
|
---|
| 703 | /** Major version. */
|
---|
| 704 | uint16_t u16VersMaj;
|
---|
| 705 | /** Minor version. */
|
---|
| 706 | uint16_t u16VersMin;
|
---|
| 707 | /** Protocol version. */
|
---|
| 708 | uint8_t u8VersProtocol;
|
---|
| 709 | /** KD secondary version. */
|
---|
| 710 | uint8_t u8VersKdSecondary;
|
---|
| 711 | /** Flags. */
|
---|
| 712 | uint16_t fFlags;
|
---|
| 713 | /** Machine type. */
|
---|
| 714 | uint16_t u16MachineType;
|
---|
| 715 | /** Maximum packet type. */
|
---|
| 716 | uint8_t u8MaxPktType;
|
---|
| 717 | /** Maximum state change */
|
---|
| 718 | uint8_t u8MaxStateChange;
|
---|
| 719 | /** Maximum manipulate request ID. */
|
---|
| 720 | uint8_t u8MaxManipulate;
|
---|
| 721 | /** Some simulation flag. */
|
---|
| 722 | uint8_t u8Simulation;
|
---|
| 723 | /** Padding. */
|
---|
| 724 | uint16_t u16Padding;
|
---|
| 725 | /** Kernel base. */
|
---|
| 726 | uint64_t u64PtrKernBase;
|
---|
| 727 | /** Pointer of the loaded module list head. */
|
---|
| 728 | uint64_t u64PtrPsLoadedModuleList;
|
---|
| 729 | /** Pointer of the debugger data list. */
|
---|
| 730 | uint64_t u64PtrDebuggerDataList;
|
---|
| 731 | } KDPACKETMANIPULATE_GETVERSION64;
|
---|
[86143] | 732 | AssertCompileSize(KDPACKETMANIPULATE_GETVERSION64, 40);
|
---|
[86105] | 733 | /** Pointer to a 64bit get version manipulate payload. */
|
---|
| 734 | typedef KDPACKETMANIPULATE_GETVERSION64 *PKDPACKETMANIPULATE_GETVERSION64;
|
---|
| 735 | /** Pointer to a const 64bit get version manipulate payload. */
|
---|
| 736 | typedef const KDPACKETMANIPULATE_GETVERSION64 *PCKDPACKETMANIPULATE_GETVERSION64;
|
---|
| 737 |
|
---|
| 738 |
|
---|
[86160] | 739 | /** @name Get version flags.
|
---|
| 740 | * @{ */
|
---|
| 741 | /** Flag whether this is a multi processor kernel. */
|
---|
| 742 | #define KD_PACKET_MANIPULATE64_GET_VERSION_F_MP RT_BIT_32(0)
|
---|
| 743 | /** Flag whether the pointer is 64bit. */
|
---|
| 744 | #define KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64 RT_BIT_32(2)
|
---|
| 745 | /** @} */
|
---|
| 746 |
|
---|
| 747 |
|
---|
[86105] | 748 | /**
|
---|
| 749 | * 64bit memory transfer manipulate payload.
|
---|
| 750 | */
|
---|
| 751 | typedef struct KDPACKETMANIPULATE_XFERMEM64
|
---|
| 752 | {
|
---|
| 753 | /** Target base address. */
|
---|
| 754 | uint64_t u64PtrTarget;
|
---|
| 755 | /** Requested number of bytes to transfer*/
|
---|
| 756 | uint32_t cbXferReq;
|
---|
| 757 | /** Number of bytes actually transferred (response). */
|
---|
| 758 | uint32_t cbXfered;
|
---|
| 759 | /** Some padding?. */
|
---|
| 760 | uint64_t au64Pad[3];
|
---|
| 761 | } KDPACKETMANIPULATE_XFERMEM64;
|
---|
[86143] | 762 | AssertCompileSize(KDPACKETMANIPULATE_XFERMEM64, 40);
|
---|
[86105] | 763 | /** Pointer to a 64bit memory transfer manipulate payload. */
|
---|
| 764 | typedef KDPACKETMANIPULATE_XFERMEM64 *PKDPACKETMANIPULATE_XFERMEM64;
|
---|
| 765 | /** Pointer to a const 64bit memory transfer manipulate payload. */
|
---|
| 766 | typedef const KDPACKETMANIPULATE_XFERMEM64 *PCKDPACKETMANIPULATE_XFERMEM64;
|
---|
| 767 |
|
---|
| 768 |
|
---|
| 769 | /**
|
---|
| 770 | * 64bit control space transfer manipulate payload.
|
---|
| 771 | *
|
---|
| 772 | * @note Same layout as the memory transfer but the pointer has a different meaning so
|
---|
| 773 | * we moved it into a separate request structure.
|
---|
| 774 | */
|
---|
| 775 | typedef struct KDPACKETMANIPULATE_XFERCTRLSPACE64
|
---|
| 776 | {
|
---|
| 777 | /** Identifier of the item to transfer in the control space. */
|
---|
| 778 | uint64_t u64IdXfer;
|
---|
| 779 | /** Requested number of bytes to transfer*/
|
---|
| 780 | uint32_t cbXferReq;
|
---|
| 781 | /** Number of bytes actually transferred (response). */
|
---|
| 782 | uint32_t cbXfered;
|
---|
| 783 | /** Some padding?. */
|
---|
| 784 | uint64_t au64Pad[3];
|
---|
| 785 | } KDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
[86143] | 786 | AssertCompileSize(KDPACKETMANIPULATE_XFERCTRLSPACE64, 40);
|
---|
[86105] | 787 | /** Pointer to a 64bit memory transfer manipulate payload. */
|
---|
| 788 | typedef KDPACKETMANIPULATE_XFERCTRLSPACE64 *PKDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
| 789 | /** Pointer to a const 64bit memory transfer manipulate payload. */
|
---|
| 790 | typedef const KDPACKETMANIPULATE_XFERCTRLSPACE64 *PCKDPACKETMANIPULATE_XFERCTRLSPACE64;
|
---|
| 791 |
|
---|
| 792 |
|
---|
| 793 | /** @name Known control space identifiers.
|
---|
| 794 | * @{ */
|
---|
| 795 | /** Read/Write KPCR address. */
|
---|
| 796 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR UINT64_C(0)
|
---|
| 797 | /** Read/Write KPCRB address. */
|
---|
| 798 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB UINT64_C(1)
|
---|
| 799 | /** Read/Write Kernel context. */
|
---|
| 800 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX UINT64_C(2)
|
---|
| 801 | /** Read/Write current kernel thread. */
|
---|
| 802 | #define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD UINT64_C(3)
|
---|
| 803 | /** @} */
|
---|
| 804 |
|
---|
| 805 |
|
---|
| 806 | /**
|
---|
| 807 | * 64bit restore breakpoint manipulate payload.
|
---|
| 808 | */
|
---|
| 809 | typedef struct KDPACKETMANIPULATE_RESTOREBKPT64
|
---|
| 810 | {
|
---|
| 811 | /** The breakpoint handle to restore. */
|
---|
| 812 | uint32_t u32HndBkpt;
|
---|
[86144] | 813 | /** Blows up the request to the required size. */
|
---|
| 814 | uint8_t abPad[36];
|
---|
[86105] | 815 | } KDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
[86144] | 816 | AssertCompileSize(KDPACKETMANIPULATE_RESTOREBKPT64, 40);
|
---|
[86105] | 817 | /** Pointer to a 64bit restore breakpoint manipulate payload. */
|
---|
| 818 | typedef KDPACKETMANIPULATE_RESTOREBKPT64 *PKDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
| 819 | /** Pointer to a const 64bit restore breakpoint manipulate payload. */
|
---|
| 820 | typedef const KDPACKETMANIPULATE_RESTOREBKPT64 *PCKDPACKETMANIPULATE_RESTOREBKPT64;
|
---|
| 821 |
|
---|
| 822 |
|
---|
| 823 | /**
|
---|
[86144] | 824 | * 64bit write breakpoint manipulate payload.
|
---|
| 825 | */
|
---|
| 826 | typedef struct KDPACKETMANIPULATE_WRITEBKPT64
|
---|
| 827 | {
|
---|
| 828 | /** Where to write the breakpoint. */
|
---|
| 829 | uint64_t u64PtrBkpt;
|
---|
| 830 | /** The breakpoint handle returned in the response. */
|
---|
| 831 | uint32_t u32HndBkpt;
|
---|
| 832 | /** Blows up the request to the required size. */
|
---|
| 833 | uint8_t abPad[28];
|
---|
| 834 | } KDPACKETMANIPULATE_WRITEBKPT64;
|
---|
| 835 | AssertCompileSize(KDPACKETMANIPULATE_WRITEBKPT64, 40);
|
---|
| 836 | /** Pointer to a 64bit write breakpoint manipulate payload. */
|
---|
| 837 | typedef KDPACKETMANIPULATE_WRITEBKPT64 *PKDPACKETMANIPULATE_WRITEBKPT64;
|
---|
| 838 | /** Pointer to a const 64bit write breakpoint manipulate payload. */
|
---|
| 839 | typedef const KDPACKETMANIPULATE_WRITEBKPT64 *PCKDPACKETMANIPULATE_WRITEBKPT64;
|
---|
| 840 |
|
---|
| 841 |
|
---|
| 842 | /**
|
---|
[86143] | 843 | * Context extended manipulate payload.
|
---|
[86105] | 844 | */
|
---|
| 845 | typedef struct KDPACKETMANIPULATE_CONTEXTEX
|
---|
| 846 | {
|
---|
| 847 | /** Where to start copying the context. */
|
---|
| 848 | uint32_t offStart;
|
---|
| 849 | /** Number of bytes to transfer. */
|
---|
| 850 | uint32_t cbXfer;
|
---|
| 851 | /** Number of bytes actually transfered. */
|
---|
| 852 | uint32_t cbXfered;
|
---|
[86143] | 853 | /** Blows up the request to the required size. */
|
---|
| 854 | uint8_t abPad[28];
|
---|
[86105] | 855 | } KDPACKETMANIPULATE_CONTEXTEX;
|
---|
[86143] | 856 | AssertCompileSize(KDPACKETMANIPULATE_CONTEXTEX, 40);
|
---|
[86105] | 857 | /** Pointer to a context extended manipulate payload. */
|
---|
| 858 | typedef KDPACKETMANIPULATE_CONTEXTEX *PKDPACKETMANIPULATE_CONTEXTEX;
|
---|
| 859 | /** Pointer to a const context extended manipulate payload. */
|
---|
| 860 | typedef const KDPACKETMANIPULATE_CONTEXTEX *PCKDPACKETMANIPULATE_CONTEXTEX;
|
---|
| 861 |
|
---|
| 862 |
|
---|
| 863 | /**
|
---|
[86143] | 864 | * Continue manipulate payload.
|
---|
| 865 | */
|
---|
| 866 | typedef struct KDPACKETMANIPULATE_CONTINUE
|
---|
| 867 | {
|
---|
| 868 | /** Continue (status?). */
|
---|
| 869 | uint32_t u32NtContSts;
|
---|
| 870 | /** Blows up the request to the required size. */
|
---|
| 871 | uint8_t abPad[36];
|
---|
| 872 | } KDPACKETMANIPULATE_CONTINUE;
|
---|
| 873 | AssertCompileSize(KDPACKETMANIPULATE_CONTINUE, 40);
|
---|
[86144] | 874 | /** Pointer to a continue manipulate payload. */
|
---|
[86143] | 875 | typedef KDPACKETMANIPULATE_CONTINUE *PKDPACKETMANIPULATE_CONTINUE;
|
---|
[86144] | 876 | /** Pointer to a const continue manipulate payload. */
|
---|
[86143] | 877 | typedef const KDPACKETMANIPULATE_CONTINUE *PCKDPACKETMANIPULATE_CONTINUE;
|
---|
| 878 |
|
---|
| 879 |
|
---|
| 880 | /**
|
---|
| 881 | * Continue 2 manipulate payload.
|
---|
| 882 | */
|
---|
| 883 | typedef struct KDPACKETMANIPULATE_CONTINUE2
|
---|
| 884 | {
|
---|
| 885 | /** Continue (status?). */
|
---|
| 886 | uint32_t u32NtContSts;
|
---|
| 887 | /** Trace flag. */
|
---|
| 888 | uint32_t fTrace;
|
---|
| 889 | /** Bitsize dependent data. */
|
---|
| 890 | union
|
---|
| 891 | {
|
---|
| 892 | /** 32bit. */
|
---|
| 893 | struct
|
---|
| 894 | {
|
---|
| 895 | /** DR7 value to continue with. */
|
---|
| 896 | uint32_t u32RegDr7;
|
---|
| 897 | /** @todo (?) */
|
---|
| 898 | uint32_t u32SymCurStart;
|
---|
| 899 | uint32_t u32SymCurEnd;
|
---|
| 900 | } x86;
|
---|
| 901 | /** 64bit. */
|
---|
| 902 | struct
|
---|
| 903 | {
|
---|
| 904 | /** DR7 value to continue with. */
|
---|
| 905 | uint64_t u64RegDr7;
|
---|
| 906 | /** @todo (?) */
|
---|
| 907 | uint64_t u64SymCurStart;
|
---|
| 908 | uint64_t u64SymCurEnd;
|
---|
| 909 | } amd64;
|
---|
| 910 | } u;
|
---|
| 911 | /** Blows up the request to the required size. */
|
---|
| 912 | uint8_t abPad[8];
|
---|
| 913 | } KDPACKETMANIPULATE_CONTINUE2;
|
---|
| 914 | AssertCompileSize(KDPACKETMANIPULATE_CONTINUE2, 40);
|
---|
[86144] | 915 | /** Pointer to a continue 2 manipulate payload. */
|
---|
[86143] | 916 | typedef KDPACKETMANIPULATE_CONTINUE2 *PKDPACKETMANIPULATE_CONTINUE2;
|
---|
[86144] | 917 | /** Pointer to a const continue 2 manipulate payload. */
|
---|
[86143] | 918 | typedef const KDPACKETMANIPULATE_CONTINUE2 *PCKDPACKETMANIPULATE_CONTINUE2;
|
---|
| 919 |
|
---|
| 920 |
|
---|
| 921 | /**
|
---|
[86148] | 922 | * Set context manipulate payload.
|
---|
| 923 | */
|
---|
| 924 | typedef struct KDPACKETMANIPULATE_SETCONTEXT
|
---|
| 925 | {
|
---|
| 926 | /** Continue (status?). */
|
---|
| 927 | uint32_t u32CtxFlags;
|
---|
| 928 | /** Blows up the request to the required size. */
|
---|
| 929 | uint8_t abPad[36];
|
---|
| 930 | } KDPACKETMANIPULATE_SETCONTEXT;
|
---|
| 931 | AssertCompileSize(KDPACKETMANIPULATE_SETCONTEXT, 40);
|
---|
| 932 | /** Pointer to a set context manipulate payload. */
|
---|
| 933 | typedef KDPACKETMANIPULATE_SETCONTEXT *PKDPACKETMANIPULATE_SETCONTEXT;
|
---|
| 934 | /** Pointer to a const set context manipulate payload. */
|
---|
| 935 | typedef const KDPACKETMANIPULATE_SETCONTEXT *PCKDPACKETMANIPULATE_SETCONTEXT;
|
---|
| 936 |
|
---|
| 937 |
|
---|
| 938 | /**
|
---|
[86181] | 939 | * Query memory properties payload.
|
---|
| 940 | */
|
---|
| 941 | typedef struct KDPACKETMANIPULATE_QUERYMEMORY
|
---|
| 942 | {
|
---|
| 943 | /** The address to query the properties for. */
|
---|
| 944 | uint64_t u64GCPtr;
|
---|
| 945 | /** Reserved. */
|
---|
| 946 | uint64_t u64Rsvd;
|
---|
| 947 | /** Address space type on return. */
|
---|
| 948 | uint32_t u32AddrSpace;
|
---|
| 949 | /** Protection flags. */
|
---|
| 950 | uint32_t u32Flags;
|
---|
| 951 | /** Blows up the request to the required size. */
|
---|
| 952 | uint8_t abPad[16];
|
---|
| 953 | } KDPACKETMANIPULATE_QUERYMEMORY;
|
---|
| 954 | AssertCompileSize(KDPACKETMANIPULATE_QUERYMEMORY, 40);
|
---|
| 955 | /** Pointer to a query memory properties payload. */
|
---|
| 956 | typedef KDPACKETMANIPULATE_QUERYMEMORY *PKDPACKETMANIPULATE_QUERYMEMORY;
|
---|
| 957 | /** Pointer to a const query memory properties payload. */
|
---|
| 958 | typedef const KDPACKETMANIPULATE_QUERYMEMORY *PCKDPACKETMANIPULATE_QUERYMEMORY;
|
---|
| 959 |
|
---|
| 960 |
|
---|
| 961 | /** @name Query memory address space identifiers.
|
---|
| 962 | * @{ */
|
---|
| 963 | /** Process memory space. */
|
---|
| 964 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_PROCESS UINT32_C(0)
|
---|
| 965 | /** Session memory space. */
|
---|
| 966 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_SESSION UINT32_C(1)
|
---|
| 967 | /** Kernel memory space. */
|
---|
[86182] | 968 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL UINT32_C(2)
|
---|
[86181] | 969 | /** @} */
|
---|
| 970 |
|
---|
| 971 |
|
---|
| 972 | /** @name Query memory address protection flags.
|
---|
| 973 | * @{ */
|
---|
| 974 | /** Readable. */
|
---|
| 975 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ RT_BIT_32(0)
|
---|
| 976 | /** Writable. */
|
---|
| 977 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE RT_BIT_32(1)
|
---|
| 978 | /** Executable. */
|
---|
| 979 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC RT_BIT_32(2)
|
---|
| 980 | /** Fixed address. */
|
---|
| 981 | #define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_FIXED RT_BIT_32(3)
|
---|
| 982 | /** @} */
|
---|
| 983 |
|
---|
| 984 |
|
---|
| 985 | /**
|
---|
[86244] | 986 | * Search memory payload.
|
---|
| 987 | */
|
---|
| 988 | typedef struct KDPACKETMANIPULATE_SEARCHMEMORY
|
---|
| 989 | {
|
---|
| 990 | /** The address to start searching at on input, found address on output. */
|
---|
| 991 | uint64_t u64GCPtr;
|
---|
| 992 | /** Number of bytes to search. */
|
---|
| 993 | uint64_t cbSearch;
|
---|
| 994 | /** Length of the pattern to search for following the payload. */
|
---|
| 995 | uint32_t cbPattern;
|
---|
| 996 | /** Padding to the required size. */
|
---|
| 997 | uint32_t au32Pad[5];
|
---|
| 998 | } KDPACKETMANIPULATE_SEARCHMEMORY;
|
---|
| 999 | AssertCompileSize(KDPACKETMANIPULATE_SEARCHMEMORY, 40);
|
---|
| 1000 | /** Pointer to a search memory properties payload. */
|
---|
| 1001 | typedef KDPACKETMANIPULATE_SEARCHMEMORY *PKDPACKETMANIPULATE_SEARCHMEMORY;
|
---|
| 1002 | /** Pointer to a const search memory properties payload. */
|
---|
| 1003 | typedef const KDPACKETMANIPULATE_SEARCHMEMORY *PCKDPACKETMANIPULATE_SEARCHMEMORY;
|
---|
| 1004 |
|
---|
| 1005 |
|
---|
| 1006 | /**
|
---|
[86105] | 1007 | * Manipulate request packet header (Same for 32bit and 64bit).
|
---|
| 1008 | */
|
---|
| 1009 | typedef struct KDPACKETMANIPULATEHDR
|
---|
| 1010 | {
|
---|
| 1011 | /** The request to execute. */
|
---|
| 1012 | uint32_t idReq;
|
---|
| 1013 | /** The processor level to execute the request on. */
|
---|
| 1014 | uint16_t u16CpuLvl;
|
---|
| 1015 | /** The processor ID to execute the request on. */
|
---|
| 1016 | uint16_t idCpu;
|
---|
| 1017 | /** Return status code. */
|
---|
| 1018 | uint32_t u32NtStatus;
|
---|
| 1019 | /** Alignment. */
|
---|
| 1020 | uint32_t u32Alignment;
|
---|
| 1021 | } KDPACKETMANIPULATEHDR;
|
---|
| 1022 | AssertCompileSize(KDPACKETMANIPULATEHDR, 3 * 4 + 2 * 2);
|
---|
| 1023 | /** Pointer to a manipulate request packet header. */
|
---|
| 1024 | typedef KDPACKETMANIPULATEHDR *PKDPACKETMANIPULATEHDR;
|
---|
| 1025 | /** Pointer to a const manipulate request packet header. */
|
---|
| 1026 | typedef const KDPACKETMANIPULATEHDR *PCPKDPACKETMANIPULATEHDR;
|
---|
| 1027 |
|
---|
| 1028 |
|
---|
| 1029 | /**
|
---|
| 1030 | * 64bit manipulate state request packet.
|
---|
| 1031 | */
|
---|
| 1032 | typedef struct KDPACKETMANIPULATE64
|
---|
| 1033 | {
|
---|
| 1034 | /** Header. */
|
---|
| 1035 | KDPACKETMANIPULATEHDR Hdr;
|
---|
| 1036 | /** Request payloads. */
|
---|
| 1037 | union
|
---|
| 1038 | {
|
---|
| 1039 | /** Get Version. */
|
---|
| 1040 | KDPACKETMANIPULATE_GETVERSION64 GetVersion;
|
---|
| 1041 | /** Read/Write memory. */
|
---|
| 1042 | KDPACKETMANIPULATE_XFERMEM64 XferMem;
|
---|
[86143] | 1043 | /** Continue. */
|
---|
| 1044 | KDPACKETMANIPULATE_CONTINUE Continue;
|
---|
| 1045 | /** Continue2. */
|
---|
| 1046 | KDPACKETMANIPULATE_CONTINUE2 Continue2;
|
---|
[86148] | 1047 | /** Set context. */
|
---|
| 1048 | KDPACKETMANIPULATE_SETCONTEXT SetContext;
|
---|
[86105] | 1049 | /** Read/Write control space. */
|
---|
| 1050 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace;
|
---|
| 1051 | /** Restore breakpoint. */
|
---|
| 1052 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt;
|
---|
[86144] | 1053 | /** Write breakpoint. */
|
---|
| 1054 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt;
|
---|
[86105] | 1055 | /** Context extended. */
|
---|
| 1056 | KDPACKETMANIPULATE_CONTEXTEX ContextEx;
|
---|
[86181] | 1057 | /** Query memory. */
|
---|
| 1058 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
[86244] | 1059 | /** Search memory. */
|
---|
| 1060 | KDPACKETMANIPULATE_SEARCHMEMORY SearchMemory;
|
---|
[86105] | 1061 | } u;
|
---|
| 1062 | } KDPACKETMANIPULATE64;
|
---|
[86148] | 1063 | AssertCompileSize(KDPACKETMANIPULATE64, 16 + 40);
|
---|
[86105] | 1064 | /** Pointer to a 64bit manipulate state request packet. */
|
---|
| 1065 | typedef KDPACKETMANIPULATE64 *PKDPACKETMANIPULATE64;
|
---|
| 1066 | /** Pointer to a const 64bit manipulate state request packet. */
|
---|
| 1067 | typedef const KDPACKETMANIPULATE64 *PCKDPACKETMANIPULATE64;
|
---|
| 1068 |
|
---|
| 1069 | /** @name Manipulate requests.
|
---|
| 1070 | * @{ */
|
---|
| 1071 | /** Minimum available request. */
|
---|
| 1072 | #define KD_PACKET_MANIPULATE_REQ_MIN UINT32_C(0x00003130)
|
---|
| 1073 | /** Read virtual memory request. */
|
---|
| 1074 | #define KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM KD_PACKET_MANIPULATE_REQ_MIN
|
---|
| 1075 | /** Write virtual memory request. */
|
---|
| 1076 | #define KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM UINT32_C(0x00003131)
|
---|
| 1077 | /** Get context request. */
|
---|
| 1078 | #define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT UINT32_C(0x00003132)
|
---|
| 1079 | /** Set context request. */
|
---|
| 1080 | #define KD_PACKET_MANIPULATE_REQ_SET_CONTEXT UINT32_C(0x00003133)
|
---|
| 1081 | /** Write breakpoint request. */
|
---|
| 1082 | #define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT UINT32_C(0x00003134)
|
---|
| 1083 | /** Restore breakpoint request. */
|
---|
| 1084 | #define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT UINT32_C(0x00003135)
|
---|
| 1085 | /** Continue request. */
|
---|
| 1086 | #define KD_PACKET_MANIPULATE_REQ_CONTINUE UINT32_C(0x00003136)
|
---|
| 1087 | /** Read control space request. */
|
---|
| 1088 | #define KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE UINT32_C(0x00003137)
|
---|
| 1089 | /** Write control space request. */
|
---|
| 1090 | #define KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE UINT32_C(0x00003138)
|
---|
| 1091 | /** Read I/O space request. */
|
---|
| 1092 | #define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE UINT32_C(0x00003139)
|
---|
| 1093 | /** Write I/O space request. */
|
---|
| 1094 | #define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE UINT32_C(0x0000313a)
|
---|
| 1095 | /** Reboot request. */
|
---|
| 1096 | #define KD_PACKET_MANIPULATE_REQ_REBOOT UINT32_C(0x0000313b)
|
---|
| 1097 | /** continue 2nd version request. */
|
---|
| 1098 | #define KD_PACKET_MANIPULATE_REQ_CONTINUE2 UINT32_C(0x0000313c)
|
---|
| 1099 | /** Read physical memory request. */
|
---|
| 1100 | #define KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM UINT32_C(0x0000313d)
|
---|
| 1101 | /** Write physical memory request. */
|
---|
| 1102 | #define KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM UINT32_C(0x0000313e)
|
---|
| 1103 | /** Query special calls request. */
|
---|
| 1104 | #define KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS UINT32_C(0x0000313f)
|
---|
| 1105 | /** Set special calls request. */
|
---|
| 1106 | #define KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS UINT32_C(0x00003140)
|
---|
| 1107 | /** Clear special calls request. */
|
---|
| 1108 | #define KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS UINT32_C(0x00003141)
|
---|
| 1109 | /** Set internal breakpoint request. */
|
---|
| 1110 | #define KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT UINT32_C(0x00003142)
|
---|
| 1111 | /** Get internal breakpoint request. */
|
---|
| 1112 | #define KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT UINT32_C(0x00003143)
|
---|
| 1113 | /** Read I/O space extended request. */
|
---|
| 1114 | #define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX UINT32_C(0x00003144)
|
---|
| 1115 | /** Write I/O space extended request. */
|
---|
| 1116 | #define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX UINT32_C(0x00003145)
|
---|
| 1117 | /** Get version request. */
|
---|
| 1118 | #define KD_PACKET_MANIPULATE_REQ_GET_VERSION UINT32_C(0x00003146)
|
---|
[86184] | 1119 | /** Write breakpoint extended request. */
|
---|
| 1120 | #define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT_EX UINT32_C(0x00003147)
|
---|
| 1121 | /** Restore breakpoint extended request. */
|
---|
| 1122 | #define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT_EX UINT32_C(0x00003148)
|
---|
| 1123 | /** Cause a bugcheck request. */
|
---|
| 1124 | #define KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK UINT32_C(0x00003149)
|
---|
[86246] | 1125 | /** Cause a bugcheck request. */
|
---|
| 1126 | #define KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR UINT32_C(0x00003150)
|
---|
[87580] | 1127 | /** @todo 0x3151-0x3155 */
|
---|
[86244] | 1128 | /** Search memory for a pattern request. */
|
---|
| 1129 | #define KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY UINT32_C(0x00003156)
|
---|
[87580] | 1130 | /** @todo 0x3157-0x3159 */
|
---|
[86105] | 1131 | /** Clear all internal breakpoints request. */
|
---|
| 1132 | #define KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT UINT32_C(0x0000315a)
|
---|
[86181] | 1133 | /** Fill memory. */
|
---|
| 1134 | #define KD_PACKET_MANIPULATE_REQ_FILL_MEMORY UINT32_C(0x0000315b)
|
---|
| 1135 | /** Query memory properties. */
|
---|
| 1136 | #define KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY UINT32_C(0x0000315c)
|
---|
[87580] | 1137 | /** @todo 0x315d, 0x315e */
|
---|
[86105] | 1138 | /** Get context extended request. */
|
---|
| 1139 | #define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX UINT32_C(0x0000315f)
|
---|
[87580] | 1140 | /** @todo 0x3160 */
|
---|
[86105] | 1141 | /** Maximum available request (exclusive). */
|
---|
| 1142 | #define KD_PACKET_MANIPULATE_REQ_MAX UINT32_C(0x00003161)
|
---|
| 1143 | /** @} */
|
---|
| 1144 |
|
---|
| 1145 | /**
|
---|
| 1146 | * KD stub receive state.
|
---|
| 1147 | */
|
---|
| 1148 | typedef enum KDRECVSTATE
|
---|
| 1149 | {
|
---|
| 1150 | /** Invalid state. */
|
---|
| 1151 | KDRECVSTATE_INVALID = 0,
|
---|
| 1152 | /** Receiving the first byte of the packet header. */
|
---|
| 1153 | KDRECVSTATE_PACKET_HDR_FIRST_BYTE,
|
---|
| 1154 | /** Receiving the second byte of the packet header. */
|
---|
| 1155 | KDRECVSTATE_PACKET_HDR_SECOND_BYTE,
|
---|
| 1156 | /** Receiving the header. */
|
---|
| 1157 | KDRECVSTATE_PACKET_HDR,
|
---|
| 1158 | /** Receiving the packet body. */
|
---|
| 1159 | KDRECVSTATE_PACKET_BODY,
|
---|
| 1160 | /** Receiving the trailing byte. */
|
---|
| 1161 | KDRECVSTATE_PACKET_TRAILER,
|
---|
| 1162 | /** Blow up the enum to 32bits for easier alignment of members in structs. */
|
---|
| 1163 | KDRECVSTATE_32BIT_HACK = 0x7fffffff
|
---|
| 1164 | } KDRECVSTATE;
|
---|
| 1165 |
|
---|
| 1166 |
|
---|
| 1167 | /**
|
---|
[86234] | 1168 | * KD emulated hardware breakpoint.
|
---|
| 1169 | */
|
---|
| 1170 | typedef struct KDCTXHWBP
|
---|
| 1171 | {
|
---|
[86755] | 1172 | /** The DBGF breakpoint handle if active, NIL_DBGFBP if not active. */
|
---|
| 1173 | DBGFBP hDbgfBp;
|
---|
[86234] | 1174 | /** The linear address of the breakpoint if active. */
|
---|
| 1175 | RTGCPTR GCPtrBp;
|
---|
| 1176 | /** Access type of the breakpoint, see X86_DR7_RW_*. */
|
---|
| 1177 | uint8_t fAcc;
|
---|
| 1178 | /** Length flags of the breakpoint. */
|
---|
| 1179 | uint8_t fLen;
|
---|
| 1180 | /** Flag whether it is a local breakpoint. */
|
---|
| 1181 | bool fLocal;
|
---|
| 1182 | /** Flag whether it is a global breakpoint. */
|
---|
| 1183 | bool fGlobal;
|
---|
| 1184 | /** Flag whether the breakpoint has triggered since the last time of the reset. */
|
---|
| 1185 | bool fTriggered;
|
---|
| 1186 | } KDCTXHWBP;
|
---|
| 1187 | /** Pointer to an emulated hardware breakpoint. */
|
---|
| 1188 | typedef KDCTXHWBP *PKDCTXHWBP;
|
---|
| 1189 | /** Pointer to a const emulated hardware breakpoint. */
|
---|
| 1190 | typedef const KDCTXHWBP *PCKDCTXHWBP;
|
---|
| 1191 |
|
---|
| 1192 |
|
---|
| 1193 | /**
|
---|
[86105] | 1194 | * KD context data.
|
---|
| 1195 | */
|
---|
| 1196 | typedef struct KDCTX
|
---|
| 1197 | {
|
---|
| 1198 | /** Internal debugger console data. */
|
---|
| 1199 | DBGC Dbgc;
|
---|
| 1200 | /** Number of bytes received left for the current state. */
|
---|
| 1201 | size_t cbRecvLeft;
|
---|
| 1202 | /** Pointer where to write the next received data. */
|
---|
| 1203 | uint8_t *pbRecv;
|
---|
| 1204 | /** The current state when receiving a new packet. */
|
---|
| 1205 | KDRECVSTATE enmState;
|
---|
| 1206 | /** The timeout waiting for new data. */
|
---|
| 1207 | RTMSINTERVAL msRecvTimeout;
|
---|
| 1208 | /** Timestamp when we last received data from the remote end. */
|
---|
| 1209 | uint64_t tsRecvLast;
|
---|
| 1210 | /** Packet header being received. */
|
---|
| 1211 | union
|
---|
| 1212 | {
|
---|
| 1213 | KDPACKETHDR Fields;
|
---|
| 1214 | uint8_t ab[16];
|
---|
| 1215 | } PktHdr;
|
---|
| 1216 | /** The next packet ID to send. */
|
---|
| 1217 | uint32_t idPktNext;
|
---|
| 1218 | /** Offset into the body receive buffer. */
|
---|
| 1219 | size_t offBodyRecv;
|
---|
| 1220 | /** Body data. */
|
---|
| 1221 | uint8_t abBody[_4K];
|
---|
| 1222 | /** The trailer byte storage. */
|
---|
| 1223 | uint8_t bTrailer;
|
---|
| 1224 | /** Flag whether a breakin packet was received since the last time it was reset. */
|
---|
| 1225 | bool fBreakinRecv;
|
---|
[86184] | 1226 | /** Flag whether we entered the native VBox hypervisor through a bugcheck request. */
|
---|
| 1227 | bool fInVBoxDbg;
|
---|
[86105] | 1228 |
|
---|
[86234] | 1229 | /** Emulated hardware breakpoint handling. */
|
---|
| 1230 | KDCTXHWBP aHwBp[4];
|
---|
| 1231 | /** Flag whether a single step completed since last time this was cleared. */
|
---|
| 1232 | bool fSingleStepped;
|
---|
| 1233 |
|
---|
[86105] | 1234 | /** Pointer to the OS digger WinNt interface if a matching guest was detected. */
|
---|
| 1235 | PDBGFOSIWINNT pIfWinNt;
|
---|
[86165] | 1236 | /** Flag whether the detected guest is 32bit (false if 64bit). */
|
---|
| 1237 | bool f32Bit;
|
---|
[86105] | 1238 | } KDCTX;
|
---|
| 1239 | /** Pointer to the KD context data. */
|
---|
| 1240 | typedef KDCTX *PKDCTX;
|
---|
| 1241 | /** Pointer to const KD context data. */
|
---|
| 1242 | typedef const KDCTX *PCKDCTX;
|
---|
| 1243 | /** Pointer to a KD context data pointer. */
|
---|
| 1244 | typedef PKDCTX *PPKDCTX;
|
---|
| 1245 |
|
---|
| 1246 |
|
---|
[96866] | 1247 | /**
|
---|
| 1248 | * Register mapping descriptor.
|
---|
| 1249 | */
|
---|
| 1250 | typedef struct KDREGDESC
|
---|
| 1251 | {
|
---|
| 1252 | /** The DBGF register enum. */
|
---|
| 1253 | DBGFREG enmReg;
|
---|
| 1254 | /** Register width. */
|
---|
| 1255 | DBGFREGVALTYPE enmValType;
|
---|
| 1256 | /** The offset into the context structure where the value ends up. */
|
---|
[96872] | 1257 | uintptr_t offReg;
|
---|
[96866] | 1258 | } KDREGDESC;
|
---|
| 1259 | /** Pointer to a register mapping structure. */
|
---|
| 1260 | typedef KDREGDESC *PKDREGDESC;
|
---|
| 1261 | /** Pointer to a const register mapping structure. */
|
---|
| 1262 | typedef const KDREGDESC *PCKDREGDESC;
|
---|
| 1263 |
|
---|
| 1264 |
|
---|
[86165] | 1265 | /** Creates a possibly sign extended guest context pointer which is required for 32bit targets. */
|
---|
| 1266 | #define KD_PTR_CREATE(a_pThis, a_GCPtr) ((a_pThis)->f32Bit && ((a_GCPtr) & RT_BIT_32(31)) ? (a_GCPtr) | UINT64_C(0xffffffff00000000) : (a_GCPtr))
|
---|
| 1267 | /** Returns the value of a possibly sign extended guest context pointer received for 32bit targets. */
|
---|
| 1268 | #define KD_PTR_GET(a_pThis, a_GCPtr) ((a_pThis)->f32Bit ? (a_GCPtr) & ~UINT64_C(0xffffffff00000000) : (a_GCPtr))
|
---|
| 1269 |
|
---|
| 1270 |
|
---|
[86105] | 1271 | /*********************************************************************************************************************************
|
---|
[96866] | 1272 | * Global Variables *
|
---|
| 1273 | *********************************************************************************************************************************/
|
---|
| 1274 |
|
---|
| 1275 | /** 64bit control register set. */
|
---|
| 1276 | static const KDREGDESC g_aRegsCtrl64[] =
|
---|
| 1277 | {
|
---|
| 1278 | { DBGFREG_CS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegCs) },
|
---|
| 1279 | { DBGFREG_SS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegSs) },
|
---|
| 1280 | { DBGFREG_RIP, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRip) },
|
---|
| 1281 | { DBGFREG_RSP, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRsp) },
|
---|
| 1282 | { DBGFREG_RBP, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRbp) },
|
---|
| 1283 | { DBGFREG_EFLAGS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, u32RegEflags) }
|
---|
| 1284 | };
|
---|
| 1285 |
|
---|
| 1286 |
|
---|
| 1287 | /** 64bit integer register set. */
|
---|
| 1288 | static const KDREGDESC g_aRegsInt64[] =
|
---|
| 1289 | {
|
---|
| 1290 | { DBGFREG_RAX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRax) },
|
---|
| 1291 | { DBGFREG_RCX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRcx) },
|
---|
| 1292 | { DBGFREG_RDX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRdx) },
|
---|
| 1293 | { DBGFREG_RBX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRbx) },
|
---|
| 1294 | { DBGFREG_RSI, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRsi) },
|
---|
| 1295 | { DBGFREG_RDI, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRdi) },
|
---|
| 1296 | { DBGFREG_R8, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR8) },
|
---|
| 1297 | { DBGFREG_R9, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR9) },
|
---|
| 1298 | { DBGFREG_R10, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR10) },
|
---|
| 1299 | { DBGFREG_R11, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR11) },
|
---|
| 1300 | { DBGFREG_R12, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR12) },
|
---|
| 1301 | { DBGFREG_R13, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR13) },
|
---|
| 1302 | { DBGFREG_R14, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR14) },
|
---|
| 1303 | { DBGFREG_R15, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR15) }
|
---|
| 1304 | };
|
---|
| 1305 |
|
---|
| 1306 |
|
---|
| 1307 | /** 64bit segments register set. */
|
---|
| 1308 | static const KDREGDESC g_aRegsSegs64[] =
|
---|
| 1309 | {
|
---|
| 1310 | { DBGFREG_DS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegDs) },
|
---|
| 1311 | { DBGFREG_ES, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegEs) },
|
---|
| 1312 | { DBGFREG_FS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegFs) },
|
---|
| 1313 | { DBGFREG_GS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegGs) }
|
---|
| 1314 | };
|
---|
| 1315 |
|
---|
| 1316 |
|
---|
| 1317 | /** 64bit floating point register set. */
|
---|
| 1318 | static const KDREGDESC g_aRegsFx64[] =
|
---|
| 1319 | {
|
---|
| 1320 | { DBGFREG_FCW, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FCW) },
|
---|
| 1321 | { DBGFREG_FSW, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FSW) },
|
---|
| 1322 | { DBGFREG_FTW, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FTW) },
|
---|
| 1323 | { DBGFREG_FOP, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FOP) },
|
---|
| 1324 | { DBGFREG_FPUIP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.FPUIP) },
|
---|
[96874] | 1325 | /// @todo Fails on Solaris { DBGFREG_FPUCS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.CS) },
|
---|
[96873] | 1326 | { DBGFREG_FPUDP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.FPUDP) },
|
---|
[96874] | 1327 | /// @todo Fails on Solaris { DBGFREG_FPUDS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.DS) },
|
---|
[96866] | 1328 | { DBGFREG_MXCSR, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.MXCSR) },
|
---|
| 1329 | { DBGFREG_MXCSR_MASK, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.MXCSR_MASK) },
|
---|
| 1330 | { DBGFREG_ST0, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[0]) },
|
---|
| 1331 | { DBGFREG_ST1, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[1]) },
|
---|
| 1332 | { DBGFREG_ST2, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[2]) },
|
---|
| 1333 | { DBGFREG_ST3, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[3]) },
|
---|
| 1334 | { DBGFREG_ST4, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[4]) },
|
---|
| 1335 | { DBGFREG_ST5, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[5]) },
|
---|
| 1336 | { DBGFREG_ST6, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[6]) },
|
---|
| 1337 | { DBGFREG_ST7, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[7]) },
|
---|
| 1338 | { DBGFREG_XMM0, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[0]) },
|
---|
| 1339 | { DBGFREG_XMM1, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[1]) },
|
---|
| 1340 | { DBGFREG_XMM2, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[2]) },
|
---|
| 1341 | { DBGFREG_XMM3, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[3]) },
|
---|
| 1342 | { DBGFREG_XMM4, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[4]) },
|
---|
| 1343 | { DBGFREG_XMM5, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[5]) },
|
---|
| 1344 | { DBGFREG_XMM6, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[6]) },
|
---|
| 1345 | { DBGFREG_XMM7, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[7]) },
|
---|
| 1346 | { DBGFREG_XMM8, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[8]) },
|
---|
| 1347 | { DBGFREG_XMM9, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[9]) },
|
---|
| 1348 | { DBGFREG_XMM10, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[10]) },
|
---|
| 1349 | { DBGFREG_XMM11, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[11]) },
|
---|
| 1350 | { DBGFREG_XMM12, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[12]) },
|
---|
| 1351 | { DBGFREG_XMM13, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[13]) },
|
---|
| 1352 | { DBGFREG_XMM14, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[14]) },
|
---|
| 1353 | { DBGFREG_XMM15, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[15]) }
|
---|
| 1354 | };
|
---|
| 1355 |
|
---|
| 1356 |
|
---|
| 1357 | /** 32bit control register set. */
|
---|
| 1358 | static const KDREGDESC g_aRegsCtrl32[] =
|
---|
| 1359 | {
|
---|
| 1360 | { DBGFREG_CS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegCs) },
|
---|
| 1361 | { DBGFREG_SS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegSs) },
|
---|
| 1362 | { DBGFREG_EIP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEip) },
|
---|
| 1363 | { DBGFREG_ESP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEsp) },
|
---|
| 1364 | { DBGFREG_EBP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEbp) },
|
---|
| 1365 | { DBGFREG_EFLAGS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEflags) }
|
---|
| 1366 | };
|
---|
| 1367 |
|
---|
| 1368 |
|
---|
| 1369 | /** 32bit integer register set. */
|
---|
| 1370 | static const KDREGDESC g_aRegsInt32[] =
|
---|
| 1371 | {
|
---|
| 1372 | { DBGFREG_EAX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEax) },
|
---|
| 1373 | { DBGFREG_ECX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEcx) },
|
---|
| 1374 | { DBGFREG_EDX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEdx) },
|
---|
| 1375 | { DBGFREG_EBX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEbx) },
|
---|
| 1376 | { DBGFREG_ESI, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEsi) },
|
---|
| 1377 | { DBGFREG_EDI, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEdi) }
|
---|
| 1378 | };
|
---|
| 1379 |
|
---|
| 1380 |
|
---|
| 1381 | /** 32bit segments register set. */
|
---|
| 1382 | static const KDREGDESC g_aRegsSegs32[] =
|
---|
| 1383 | {
|
---|
| 1384 | { DBGFREG_DS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegDs) },
|
---|
| 1385 | { DBGFREG_ES, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegEs) },
|
---|
| 1386 | { DBGFREG_FS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegFs) },
|
---|
| 1387 | { DBGFREG_GS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegGs) }
|
---|
| 1388 | };
|
---|
| 1389 |
|
---|
| 1390 |
|
---|
| 1391 | /** 32bit debug register set. */
|
---|
| 1392 | static const KDREGDESC g_aRegsDbg32[] =
|
---|
| 1393 | {
|
---|
| 1394 | { DBGFREG_DR0, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr0) },
|
---|
| 1395 | { DBGFREG_DR1, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr1) },
|
---|
| 1396 | { DBGFREG_DR2, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr2) },
|
---|
| 1397 | { DBGFREG_DR3, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr3) },
|
---|
| 1398 | { DBGFREG_DR6, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr6) },
|
---|
| 1399 | { DBGFREG_DR7, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr7) }
|
---|
| 1400 | };
|
---|
| 1401 |
|
---|
| 1402 |
|
---|
| 1403 | /** 32bit floating point register set. */
|
---|
| 1404 | static const KDREGDESC g_aRegsFx32[] =
|
---|
| 1405 | {
|
---|
| 1406 | { DBGFREG_FCW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32CtrlWord) },
|
---|
| 1407 | { DBGFREG_FSW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32StatusWord)},
|
---|
| 1408 | { DBGFREG_FTW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32TagWord) },
|
---|
| 1409 | { DBGFREG_FCW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32CtrlWord) },
|
---|
| 1410 | { DBGFREG_FPUIP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32ErrorOff) },
|
---|
| 1411 | { DBGFREG_FPUCS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32ErrorSel) },
|
---|
| 1412 | { DBGFREG_FPUDS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32DataOff) },
|
---|
| 1413 | { DBGFREG_FPUDS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32DataSel) },
|
---|
| 1414 | { DBGFREG_ST0, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[0]) },
|
---|
| 1415 | { DBGFREG_ST1, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[1]) },
|
---|
| 1416 | { DBGFREG_ST2, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[2]) },
|
---|
| 1417 | { DBGFREG_ST3, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[3]) },
|
---|
| 1418 | { DBGFREG_ST4, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[4]) },
|
---|
| 1419 | { DBGFREG_ST5, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[5]) },
|
---|
| 1420 | { DBGFREG_ST6, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[6]) },
|
---|
| 1421 | { DBGFREG_ST7, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[7]) }
|
---|
| 1422 | };
|
---|
| 1423 |
|
---|
| 1424 |
|
---|
| 1425 | /*********************************************************************************************************************************
|
---|
[86105] | 1426 | * Internal Functions *
|
---|
| 1427 | *********************************************************************************************************************************/
|
---|
[86234] | 1428 | static void dbgcKdCtxMsgSend(PKDCTX pThis, bool fWarning, const char *pszMsg);
|
---|
[86105] | 1429 |
|
---|
[86234] | 1430 |
|
---|
[86107] | 1431 | #ifdef LOG_ENABLED
|
---|
[86105] | 1432 | /**
|
---|
| 1433 | * Returns a human readable string of the given packet sub type.
|
---|
| 1434 | *
|
---|
| 1435 | * @returns Pointer to sub type string.
|
---|
| 1436 | * @param u16SubType The sub type to convert to a string.
|
---|
| 1437 | */
|
---|
| 1438 | static const char *dbgcKdPktDumpSubTypeToStr(uint16_t u16SubType)
|
---|
| 1439 | {
|
---|
| 1440 | switch (u16SubType)
|
---|
| 1441 | {
|
---|
| 1442 | case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32: return "StateChange32";
|
---|
| 1443 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE: return "Manipulate";
|
---|
| 1444 | case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO: return "DebugIo";
|
---|
| 1445 | case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE: return "Ack";
|
---|
| 1446 | case KD_PACKET_HDR_SUB_TYPE_RESEND: return "Resend";
|
---|
| 1447 | case KD_PACKET_HDR_SUB_TYPE_RESET: return "Reset";
|
---|
| 1448 | case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64: return "StateChange64";
|
---|
| 1449 | case KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN: return "PollBreakin";
|
---|
| 1450 | case KD_PACKET_HDR_SUB_TYPE_TRACE_IO: return "TraceIo";
|
---|
| 1451 | case KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST: return "ControlRequest";
|
---|
| 1452 | case KD_PACKET_HDR_SUB_TYPE_FILE_IO: return "FileIo";
|
---|
| 1453 | default: break;
|
---|
| 1454 | }
|
---|
| 1455 |
|
---|
| 1456 | return "<UNKNOWN>";
|
---|
| 1457 | }
|
---|
| 1458 |
|
---|
| 1459 |
|
---|
| 1460 | /**
|
---|
| 1461 | * Returns a human readable string of the given manipulate request ID.
|
---|
| 1462 | *
|
---|
[99739] | 1463 | * @returns Human readable string (read only).
|
---|
[86105] | 1464 | * @param idReq Request ID (API number in KD speak).
|
---|
| 1465 | */
|
---|
| 1466 | static const char *dbgcKdPktDumpManipulateReqToStr(uint32_t idReq)
|
---|
| 1467 | {
|
---|
| 1468 | switch (idReq)
|
---|
| 1469 | {
|
---|
| 1470 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM: return "ReadVirtMem";
|
---|
| 1471 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM: return "WriteVirtMem";
|
---|
| 1472 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT: return "GetContext";
|
---|
| 1473 | case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT: return "SetContext";
|
---|
| 1474 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT: return "WriteBkpt";
|
---|
| 1475 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT: return "RestoreBkpt";
|
---|
| 1476 | case KD_PACKET_MANIPULATE_REQ_CONTINUE: return "Continue";
|
---|
| 1477 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE: return "ReadCtrlSpace";
|
---|
| 1478 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE: return "WriteCtrlSpace";
|
---|
| 1479 | case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE: return "ReadIoSpace";
|
---|
| 1480 | case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE: return "WriteIoSpace";
|
---|
| 1481 | case KD_PACKET_MANIPULATE_REQ_REBOOT: return "Reboot";
|
---|
| 1482 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2: return "Continue2";
|
---|
| 1483 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM: return "ReadPhysMem";
|
---|
| 1484 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM: return "WritePhysMem";
|
---|
| 1485 | case KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS: return "QuerySpecCalls";
|
---|
| 1486 | case KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS: return "SetSpecCalls";
|
---|
| 1487 | case KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS: return "ClrSpecCalls";
|
---|
| 1488 | case KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT: return "SetIntBkpt";
|
---|
| 1489 | case KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT: return "GetIntBkpt";
|
---|
| 1490 | case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX: return "ReadIoSpaceEx";
|
---|
| 1491 | case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX: return "WriteIoSpaceEx";
|
---|
| 1492 | case KD_PACKET_MANIPULATE_REQ_GET_VERSION: return "GetVersion";
|
---|
| 1493 | case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT: return "ClrAllIntBkpt";
|
---|
| 1494 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX: return "GetContextEx";
|
---|
[86184] | 1495 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY: return "QueryMemory";
|
---|
| 1496 | case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK: return "CauseBugCheck";
|
---|
[86246] | 1497 | case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR: return "SwitchProcessor";
|
---|
[86244] | 1498 | case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY: return "SearchMemory";
|
---|
[86105] | 1499 | default: break;
|
---|
| 1500 | }
|
---|
| 1501 |
|
---|
| 1502 | return "<UNKNOWN>";
|
---|
| 1503 | }
|
---|
| 1504 |
|
---|
| 1505 |
|
---|
| 1506 | /**
|
---|
| 1507 | * Dumps the content of a manipulate packet.
|
---|
| 1508 | *
|
---|
| 1509 | * @param pSgBuf S/G buffer containing the manipulate packet payload.
|
---|
| 1510 | */
|
---|
| 1511 | static void dbgcKdPktDumpManipulate(PRTSGBUF pSgBuf)
|
---|
| 1512 | {
|
---|
| 1513 | KDPACKETMANIPULATEHDR Hdr;
|
---|
| 1514 | size_t cbCopied = RTSgBufCopyToBuf(pSgBuf, &Hdr, sizeof(Hdr));
|
---|
| 1515 |
|
---|
| 1516 | if (cbCopied == sizeof(Hdr))
|
---|
| 1517 | {
|
---|
| 1518 | const char *pszReq = dbgcKdPktDumpManipulateReqToStr(Hdr.idReq);
|
---|
| 1519 |
|
---|
| 1520 | Log3((" MANIPULATE(%#x (%s), %#x, %u, %#x)\n",
|
---|
| 1521 | Hdr.idReq, pszReq, Hdr.u16CpuLvl, Hdr.idCpu, Hdr.u32NtStatus));
|
---|
| 1522 |
|
---|
| 1523 | switch (Hdr.idReq)
|
---|
| 1524 | {
|
---|
| 1525 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
|
---|
| 1526 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
|
---|
| 1527 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
|
---|
| 1528 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
|
---|
| 1529 | {
|
---|
| 1530 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
| 1531 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferMem64, sizeof(XferMem64));
|
---|
| 1532 | if (cbCopied == sizeof(XferMem64))
|
---|
| 1533 | {
|
---|
| 1534 | Log3((" u64PtrTarget: %RX64\n"
|
---|
| 1535 | " cbXferReq: %RX32\n"
|
---|
| 1536 | " cbXfered: %RX32\n",
|
---|
| 1537 | XferMem64.u64PtrTarget, XferMem64.cbXferReq, XferMem64.cbXfered));
|
---|
| 1538 | }
|
---|
| 1539 | else
|
---|
| 1540 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferMem64), cbCopied));
|
---|
| 1541 | break;
|
---|
| 1542 | }
|
---|
[86144] | 1543 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
|
---|
| 1544 | {
|
---|
| 1545 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
|
---|
| 1546 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &RestoreBkpt64, sizeof(RestoreBkpt64));
|
---|
| 1547 | if (cbCopied == sizeof(RestoreBkpt64))
|
---|
| 1548 | Log3((" u32HndBkpt: %RX32\n", RestoreBkpt64.u32HndBkpt));
|
---|
| 1549 | else
|
---|
| 1550 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(RestoreBkpt64), cbCopied));
|
---|
| 1551 | break;
|
---|
| 1552 | }
|
---|
| 1553 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
|
---|
| 1554 | {
|
---|
| 1555 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
|
---|
| 1556 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &WriteBkpt64, sizeof(WriteBkpt64));
|
---|
| 1557 | if (cbCopied == sizeof(WriteBkpt64))
|
---|
| 1558 | Log3((" u64PtrBkpt: %RX64\n"
|
---|
| 1559 | " u32HndBkpt: %RX32\n",
|
---|
| 1560 | WriteBkpt64.u64PtrBkpt, WriteBkpt64.u32HndBkpt));
|
---|
| 1561 | else
|
---|
| 1562 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(WriteBkpt64), cbCopied));
|
---|
| 1563 | break;
|
---|
| 1564 | }
|
---|
[86143] | 1565 | case KD_PACKET_MANIPULATE_REQ_CONTINUE:
|
---|
| 1566 | {
|
---|
| 1567 | KDPACKETMANIPULATE_CONTINUE Continue;
|
---|
| 1568 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
|
---|
| 1569 | if (cbCopied == sizeof(Continue))
|
---|
| 1570 | Log3((" u32NtContSts: %RX32\n", Continue.u32NtContSts));
|
---|
| 1571 | else
|
---|
| 1572 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
|
---|
| 1573 | break;
|
---|
| 1574 | }
|
---|
| 1575 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
|
---|
| 1576 | {
|
---|
| 1577 | KDPACKETMANIPULATE_CONTINUE2 Continue;
|
---|
| 1578 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
|
---|
| 1579 | if (cbCopied == sizeof(Continue))
|
---|
| 1580 | Log3((" u32NtContSts: %RX32\n"
|
---|
| 1581 | " fTrace: %RX32\n",
|
---|
| 1582 | Continue.u32NtContSts, Continue.fTrace));
|
---|
| 1583 | else
|
---|
| 1584 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
|
---|
| 1585 | break;
|
---|
| 1586 | }
|
---|
[86105] | 1587 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
|
---|
| 1588 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
|
---|
| 1589 | {
|
---|
| 1590 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
| 1591 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferCtrlSpace64, sizeof(XferCtrlSpace64));
|
---|
| 1592 | if (cbCopied == sizeof(XferCtrlSpace64))
|
---|
| 1593 | {
|
---|
| 1594 | Log3((" u64IdXfer: %RX64\n"
|
---|
| 1595 | " cbXferReq: %RX32\n"
|
---|
| 1596 | " cbXfered: %RX32\n",
|
---|
| 1597 | XferCtrlSpace64.u64IdXfer, XferCtrlSpace64.cbXferReq, XferCtrlSpace64.cbXfered));
|
---|
| 1598 | }
|
---|
| 1599 | else
|
---|
| 1600 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferCtrlSpace64), cbCopied));
|
---|
| 1601 | break;
|
---|
| 1602 | }
|
---|
[86143] | 1603 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
|
---|
| 1604 | {
|
---|
| 1605 | KDPACKETMANIPULATE_CONTEXTEX GetContextEx;
|
---|
| 1606 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &GetContextEx, sizeof(GetContextEx));
|
---|
| 1607 | if (cbCopied == sizeof(GetContextEx))
|
---|
| 1608 | {
|
---|
| 1609 | Log3((" offStart: %RX32\n"
|
---|
| 1610 | " cbXferReq: %RX32\n"
|
---|
| 1611 | " cbXfered: %RX32\n",
|
---|
| 1612 | GetContextEx.offStart, GetContextEx.cbXfer, GetContextEx.cbXfered));
|
---|
| 1613 | }
|
---|
| 1614 | else
|
---|
| 1615 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(GetContextEx), cbCopied));
|
---|
| 1616 | break;
|
---|
| 1617 | }
|
---|
[86181] | 1618 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
|
---|
| 1619 | {
|
---|
| 1620 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
| 1621 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &QueryMemory, sizeof(QueryMemory));
|
---|
| 1622 | if (cbCopied == sizeof(QueryMemory))
|
---|
| 1623 | {
|
---|
| 1624 | Log3((" u64GCPtr: %RX64\n"
|
---|
| 1625 | " u32AddrSpace: %RX32\n"
|
---|
| 1626 | " u32Flags: %RX32\n",
|
---|
| 1627 | QueryMemory.u64GCPtr, QueryMemory.u32AddrSpace, QueryMemory.u32Flags));
|
---|
| 1628 | }
|
---|
| 1629 | else
|
---|
| 1630 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(QueryMemory), cbCopied));
|
---|
| 1631 | break;
|
---|
| 1632 | }
|
---|
[86244] | 1633 | case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY:
|
---|
| 1634 | {
|
---|
| 1635 | KDPACKETMANIPULATE_SEARCHMEMORY SearchMemory;
|
---|
| 1636 | cbCopied = RTSgBufCopyToBuf(pSgBuf, &SearchMemory, sizeof(SearchMemory));
|
---|
| 1637 | if (cbCopied == sizeof(SearchMemory))
|
---|
| 1638 | {
|
---|
| 1639 | Log3((" u64GCPtr: %RX64\n"
|
---|
| 1640 | " cbSearch: %RX64\n"
|
---|
| 1641 | " cbPattern: %RX32\n",
|
---|
| 1642 | SearchMemory.u64GCPtr, SearchMemory.cbSearch, SearchMemory.cbPattern));
|
---|
| 1643 | }
|
---|
| 1644 | else
|
---|
| 1645 | Log3((" Payload to small, expected %u, got %zu\n", sizeof(SearchMemory), cbCopied));
|
---|
| 1646 | break;
|
---|
| 1647 | }
|
---|
[86246] | 1648 | case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:
|
---|
[86105] | 1649 | default:
|
---|
| 1650 | break;
|
---|
| 1651 | }
|
---|
| 1652 | }
|
---|
| 1653 | else
|
---|
| 1654 | Log3((" MANIPULATE(Header too small, expected %u, got %zu)\n", sizeof(Hdr), cbCopied));
|
---|
| 1655 | }
|
---|
| 1656 |
|
---|
| 1657 |
|
---|
| 1658 | /**
|
---|
| 1659 | * Dumps the received packet to the debug log.
|
---|
| 1660 | *
|
---|
| 1661 | * @returns VBox status code.
|
---|
| 1662 | * @param pPktHdr The packet header to dump.
|
---|
| 1663 | * @param fRx Flag whether the packet was received (false indicates an outgoing packet).
|
---|
| 1664 | */
|
---|
| 1665 | static void dbgcKdPktDump(PCKDPACKETHDR pPktHdr, PCRTSGSEG paSegs, uint32_t cSegs, bool fRx)
|
---|
| 1666 | {
|
---|
| 1667 | RTSGBUF SgBuf;
|
---|
| 1668 |
|
---|
| 1669 | RTSgBufInit(&SgBuf, paSegs, cSegs);
|
---|
| 1670 |
|
---|
| 1671 | Log3(("%s KDPKTHDR(%#x, %#x (%s), %u, %#x, %#x)\n",
|
---|
| 1672 | fRx ? "=>" : "<=",
|
---|
| 1673 | pPktHdr->u32Signature, pPktHdr->u16SubType, dbgcKdPktDumpSubTypeToStr(pPktHdr->u16SubType),
|
---|
| 1674 | pPktHdr->cbBody, pPktHdr->idPacket, pPktHdr->u32ChkSum));
|
---|
| 1675 | switch (pPktHdr->u16SubType)
|
---|
| 1676 | {
|
---|
| 1677 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
|
---|
| 1678 | dbgcKdPktDumpManipulate(&SgBuf);
|
---|
| 1679 | break;
|
---|
| 1680 | default:
|
---|
| 1681 | break;
|
---|
| 1682 | }
|
---|
| 1683 | }
|
---|
[86107] | 1684 | #endif
|
---|
[86105] | 1685 |
|
---|
| 1686 |
|
---|
| 1687 | /**
|
---|
[86234] | 1688 | * Resets the emulated hardware breakpoint state to a state similar after a reboot.
|
---|
| 1689 | *
|
---|
| 1690 | * @param pThis The KD context.
|
---|
| 1691 | */
|
---|
| 1692 | static void dbgcKdCtxHwBpReset(PKDCTX pThis)
|
---|
| 1693 | {
|
---|
| 1694 | pThis->fSingleStepped = false;
|
---|
| 1695 |
|
---|
| 1696 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
| 1697 | {
|
---|
| 1698 | PKDCTXHWBP pBp = &pThis->aHwBp[i];
|
---|
| 1699 |
|
---|
[86755] | 1700 | if (pBp->hDbgfBp != NIL_DBGFBP)
|
---|
[86234] | 1701 | {
|
---|
[86755] | 1702 | int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pBp->hDbgfBp);
|
---|
[86234] | 1703 | AssertRC(rc);
|
---|
| 1704 | }
|
---|
| 1705 |
|
---|
[86755] | 1706 | pBp->hDbgfBp = NIL_DBGFBP;
|
---|
[86234] | 1707 | pBp->GCPtrBp = 0;
|
---|
| 1708 | pBp->fAcc = 0;
|
---|
| 1709 | pBp->fLen = 0;
|
---|
| 1710 | pBp->fLocal = false;
|
---|
| 1711 | pBp->fGlobal = false;
|
---|
| 1712 | pBp->fTriggered = false;
|
---|
| 1713 | }
|
---|
| 1714 | }
|
---|
| 1715 |
|
---|
| 1716 |
|
---|
| 1717 | /**
|
---|
| 1718 | * Updates the given breakpoint with the given properties.
|
---|
| 1719 | *
|
---|
| 1720 | * @returns VBox status code.
|
---|
| 1721 | * @param pThis The KD context.
|
---|
| 1722 | * @param pBp The breakpoint to update.
|
---|
| 1723 | * @param fAcc Access mode.
|
---|
| 1724 | * @param fLen Access length.
|
---|
| 1725 | * @param fGlobal Global breakpoint.
|
---|
| 1726 | * @param fLocal Local breakpoint.
|
---|
| 1727 | * @param GCPtrBp Linear address of the breakpoint.
|
---|
| 1728 | */
|
---|
| 1729 | static int dbgcKdCtxHwBpUpdate(PKDCTX pThis, PKDCTXHWBP pBp, uint8_t fAcc, uint8_t fLen,
|
---|
| 1730 | bool fGlobal, bool fLocal, RTGCPTR GCPtrBp)
|
---|
| 1731 | {
|
---|
| 1732 | int rc = VINF_SUCCESS;
|
---|
| 1733 |
|
---|
| 1734 | /* Did anything actually change?. */
|
---|
| 1735 | if ( pBp->fAcc != fAcc
|
---|
| 1736 | || pBp->fLen != fLen
|
---|
| 1737 | || pBp->fGlobal != fGlobal
|
---|
| 1738 | || pBp->fLocal != fLocal
|
---|
| 1739 | || pBp->GCPtrBp != GCPtrBp)
|
---|
| 1740 | {
|
---|
| 1741 | /* Clear the old breakpoint. */
|
---|
[86755] | 1742 | if (pBp->hDbgfBp != NIL_DBGFBP)
|
---|
[86234] | 1743 | {
|
---|
[86755] | 1744 | rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pBp->hDbgfBp);
|
---|
[86234] | 1745 | AssertRC(rc);
|
---|
[86755] | 1746 | pBp->hDbgfBp = NIL_DBGFBP;
|
---|
[86234] | 1747 | }
|
---|
| 1748 |
|
---|
| 1749 | pBp->fAcc = fAcc;
|
---|
| 1750 | pBp->fLen = fLen;
|
---|
| 1751 | pBp->fGlobal = fGlobal;
|
---|
| 1752 | pBp->fLocal = fLocal;
|
---|
| 1753 | pBp->GCPtrBp = GCPtrBp;
|
---|
| 1754 | if (pBp->fGlobal || pBp->fLocal)
|
---|
| 1755 | {
|
---|
| 1756 | DBGFADDRESS AddrBp;
|
---|
| 1757 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrBp, GCPtrBp);
|
---|
| 1758 |
|
---|
| 1759 | uint8_t cb = 0;
|
---|
| 1760 | switch (pBp->fLen)
|
---|
| 1761 | {
|
---|
| 1762 | case X86_DR7_LEN_BYTE:
|
---|
| 1763 | cb = 1;
|
---|
| 1764 | break;
|
---|
| 1765 | case X86_DR7_LEN_WORD:
|
---|
| 1766 | cb = 2;
|
---|
| 1767 | break;
|
---|
| 1768 | case X86_DR7_LEN_DWORD:
|
---|
| 1769 | cb = 4;
|
---|
| 1770 | break;
|
---|
| 1771 | case X86_DR7_LEN_QWORD:
|
---|
| 1772 | cb = 8;
|
---|
| 1773 | break;
|
---|
| 1774 | default:
|
---|
| 1775 | AssertFailed();
|
---|
| 1776 | return VERR_NET_PROTOCOL_ERROR;
|
---|
| 1777 | }
|
---|
| 1778 |
|
---|
| 1779 | rc = DBGFR3BpSetReg(pThis->Dbgc.pUVM, &AddrBp, 0 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/,
|
---|
[86755] | 1780 | pBp->fAcc, cb, &pBp->hDbgfBp);
|
---|
[86234] | 1781 | }
|
---|
| 1782 | }
|
---|
| 1783 |
|
---|
| 1784 | return rc;
|
---|
| 1785 | }
|
---|
| 1786 |
|
---|
| 1787 |
|
---|
| 1788 | /**
|
---|
| 1789 | * Updates emulated hardware breakpoints based on the written DR7 value.
|
---|
| 1790 | *
|
---|
| 1791 | * @returns VBox status code.
|
---|
| 1792 | * @param pThis The KD context.
|
---|
| 1793 | * @param uDr7 The DR7 value which is written.
|
---|
| 1794 | */
|
---|
| 1795 | static int dbgcKdCtxHwBpDr7Update(PKDCTX pThis, uint32_t uDr7)
|
---|
| 1796 | {
|
---|
| 1797 | int rc = VINF_SUCCESS;
|
---|
| 1798 |
|
---|
| 1799 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
| 1800 | {
|
---|
| 1801 | PKDCTXHWBP pBp = &pThis->aHwBp[i];
|
---|
| 1802 | uint8_t fAcc = X86_DR7_GET_RW(uDr7, i);
|
---|
| 1803 | uint8_t fLen = X86_DR7_GET_LEN(uDr7, i);
|
---|
| 1804 | bool fGlobal = (uDr7 & RT_BIT_32(1 + i * 2)) ? true : false;
|
---|
| 1805 | bool fLocal = (uDr7 & RT_BIT_32(i * 2)) ? true : false;
|
---|
| 1806 |
|
---|
| 1807 | int rc2 = dbgcKdCtxHwBpUpdate(pThis, pBp, fAcc, fLen, fGlobal, fLocal, pThis->aHwBp[i].GCPtrBp);
|
---|
| 1808 | if ( RT_FAILURE(rc2)
|
---|
| 1809 | && RT_SUCCESS(rc))
|
---|
| 1810 | rc = rc2;
|
---|
| 1811 | }
|
---|
| 1812 |
|
---|
| 1813 | return rc;
|
---|
| 1814 | }
|
---|
| 1815 |
|
---|
| 1816 |
|
---|
| 1817 | /**
|
---|
| 1818 | * Updates the linear guest pointer for the given hardware breakpoint.
|
---|
| 1819 | *
|
---|
| 1820 | * @returns VBox status code.
|
---|
| 1821 | * @param pThis The KD context.
|
---|
| 1822 | * @param pBp The breakpoint to update.
|
---|
| 1823 | * @param GCPtrBp The linear breakpoint address.
|
---|
| 1824 | */
|
---|
| 1825 | DECLINLINE(int) dbgcKdCtxHwBpGCPtrUpdate(PKDCTX pThis, PKDCTXHWBP pBp, RTGCPTR GCPtrBp)
|
---|
| 1826 | {
|
---|
| 1827 | return dbgcKdCtxHwBpUpdate(pThis, pBp, pBp->fAcc, pBp->fLen, pBp->fGlobal, pBp->fLocal, GCPtrBp);
|
---|
| 1828 | }
|
---|
| 1829 |
|
---|
| 1830 |
|
---|
| 1831 | /**
|
---|
| 1832 | * Calculates the DR7 value based on the emulated hardware breakpoint state and returns it.
|
---|
| 1833 | *
|
---|
| 1834 | * @returns The emulated DR7 value.
|
---|
| 1835 | * @param pThis The KD context.
|
---|
| 1836 | */
|
---|
| 1837 | static uint32_t dbgcKdCtxHwBpDr7Get(PKDCTX pThis)
|
---|
| 1838 | {
|
---|
| 1839 | uint32_t uDr7 = 0;
|
---|
| 1840 |
|
---|
| 1841 | uDr7 |= X86_DR7_RW(0, pThis->aHwBp[0].fAcc);
|
---|
| 1842 | uDr7 |= X86_DR7_RW(1, pThis->aHwBp[1].fAcc);
|
---|
| 1843 | uDr7 |= X86_DR7_RW(2, pThis->aHwBp[2].fAcc);
|
---|
| 1844 | uDr7 |= X86_DR7_RW(3, pThis->aHwBp[3].fAcc);
|
---|
| 1845 |
|
---|
| 1846 | uDr7 |= X86_DR7_LEN(0, pThis->aHwBp[0].fLen);
|
---|
| 1847 | uDr7 |= X86_DR7_LEN(1, pThis->aHwBp[1].fLen);
|
---|
| 1848 | uDr7 |= X86_DR7_LEN(2, pThis->aHwBp[2].fLen);
|
---|
| 1849 | uDr7 |= X86_DR7_LEN(3, pThis->aHwBp[3].fLen);
|
---|
| 1850 |
|
---|
| 1851 | uDr7 |= pThis->aHwBp[0].fGlobal ? X86_DR7_G(0) : 0;
|
---|
| 1852 | uDr7 |= pThis->aHwBp[1].fGlobal ? X86_DR7_G(1) : 0;
|
---|
| 1853 | uDr7 |= pThis->aHwBp[2].fGlobal ? X86_DR7_G(2) : 0;
|
---|
| 1854 | uDr7 |= pThis->aHwBp[3].fGlobal ? X86_DR7_G(3) : 0;
|
---|
| 1855 |
|
---|
| 1856 | uDr7 |= pThis->aHwBp[0].fLocal ? X86_DR7_L(0) : 0;
|
---|
| 1857 | uDr7 |= pThis->aHwBp[1].fLocal ? X86_DR7_L(1) : 0;
|
---|
| 1858 | uDr7 |= pThis->aHwBp[2].fLocal ? X86_DR7_L(2) : 0;
|
---|
| 1859 | uDr7 |= pThis->aHwBp[3].fLocal ? X86_DR7_L(3) : 0;
|
---|
| 1860 |
|
---|
| 1861 | return uDr7;
|
---|
| 1862 | }
|
---|
| 1863 |
|
---|
| 1864 |
|
---|
| 1865 | /**
|
---|
| 1866 | * Updates emulated hardware breakpoints based on the written DR6 value.
|
---|
| 1867 | *
|
---|
| 1868 | * @param pThis The KD context.
|
---|
| 1869 | * @param uDr6 The DR7 value which is written.
|
---|
| 1870 | */
|
---|
| 1871 | static void dbgcKdCtxHwBpDr6Update(PKDCTX pThis, uint32_t uDr6)
|
---|
| 1872 | {
|
---|
| 1873 | pThis->aHwBp[0].fTriggered = (uDr6 & X86_DR6_B0) ? true : false;
|
---|
| 1874 | pThis->aHwBp[1].fTriggered = (uDr6 & X86_DR6_B1) ? true : false;
|
---|
| 1875 | pThis->aHwBp[2].fTriggered = (uDr6 & X86_DR6_B2) ? true : false;
|
---|
| 1876 | pThis->aHwBp[3].fTriggered = (uDr6 & X86_DR6_B3) ? true : false;
|
---|
| 1877 | pThis->fSingleStepped = (uDr6 & X86_DR6_BS) ? true : false;
|
---|
| 1878 | }
|
---|
| 1879 |
|
---|
| 1880 |
|
---|
| 1881 | /**
|
---|
| 1882 | * Calculates the DR6 value based on the emulated hardware breakpoint state and returns it.
|
---|
| 1883 | *
|
---|
| 1884 | * @returns The emulated DR6 value.
|
---|
| 1885 | * @param pThis The KD context.
|
---|
| 1886 | */
|
---|
| 1887 | static uint32_t dbgcKdCtxHwBpDr6Get(PKDCTX pThis)
|
---|
| 1888 | {
|
---|
| 1889 | uint32_t uDr6 = 0;
|
---|
| 1890 |
|
---|
| 1891 | if (pThis->aHwBp[0].fTriggered)
|
---|
| 1892 | uDr6 |= X86_DR6_B0;
|
---|
| 1893 | if (pThis->aHwBp[1].fTriggered)
|
---|
| 1894 | uDr6 |= X86_DR6_B1;
|
---|
| 1895 | if (pThis->aHwBp[2].fTriggered)
|
---|
| 1896 | uDr6 |= X86_DR6_B2;
|
---|
| 1897 | if (pThis->aHwBp[3].fTriggered)
|
---|
| 1898 | uDr6 |= X86_DR6_B3;
|
---|
| 1899 | if (pThis->fSingleStepped)
|
---|
| 1900 | uDr6 |= X86_DR6_BS;
|
---|
| 1901 |
|
---|
| 1902 | return uDr6;
|
---|
| 1903 | }
|
---|
| 1904 |
|
---|
| 1905 |
|
---|
| 1906 | /**
|
---|
[86105] | 1907 | * Wrapper for the I/O interface write callback.
|
---|
| 1908 | *
|
---|
| 1909 | * @returns Status code.
|
---|
| 1910 | * @param pThis The KD context.
|
---|
| 1911 | * @param pvPkt The packet data to send.
|
---|
| 1912 | * @param cbPkt Size of the packet in bytes.
|
---|
| 1913 | */
|
---|
| 1914 | DECLINLINE(int) dbgcKdCtxWrite(PKDCTX pThis, const void *pvPkt, size_t cbPkt)
|
---|
| 1915 | {
|
---|
[86327] | 1916 | return pThis->Dbgc.pIo->pfnWrite(pThis->Dbgc.pIo, pvPkt, cbPkt, NULL /*pcbWritten*/);
|
---|
[86105] | 1917 | }
|
---|
| 1918 |
|
---|
| 1919 |
|
---|
| 1920 | /**
|
---|
[96866] | 1921 | * Queries a given register set and stores it into the given context buffer.
|
---|
| 1922 | *
|
---|
| 1923 | * @returns VBox status code.
|
---|
| 1924 | * @param pThis The KD context.
|
---|
| 1925 | * @param idCpu The CPU to query the context for.
|
---|
| 1926 | * @param paRegs The register set to query.
|
---|
| 1927 | * @param cRegs Number of entries in the register set.
|
---|
| 1928 | * @param pvCtx The context buffer to store the data into.
|
---|
| 1929 | */
|
---|
| 1930 | static int dbgcKdCtxQueryRegs(PKDCTX pThis, VMCPUID idCpu, PCKDREGDESC paRegs, uint32_t cRegs, void *pvCtx)
|
---|
| 1931 | {
|
---|
| 1932 | int rc = VINF_SUCCESS;
|
---|
| 1933 |
|
---|
| 1934 | for (uint32_t i = 0; i < cRegs && rc == VINF_SUCCESS; i++)
|
---|
| 1935 | {
|
---|
| 1936 | void *pvStart = (uint8_t *)pvCtx + paRegs[i].offReg;
|
---|
| 1937 |
|
---|
| 1938 | switch (paRegs[i].enmValType)
|
---|
| 1939 | {
|
---|
| 1940 | case DBGFREGVALTYPE_U16: rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (uint16_t *)pvStart); break;
|
---|
| 1941 | case DBGFREGVALTYPE_U32: rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (uint32_t *)pvStart); break;
|
---|
| 1942 | case DBGFREGVALTYPE_U64: rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (uint64_t *)pvStart); break;
|
---|
| 1943 | //case DBGFREGVALTYPE_R80: rc = DBGFR3RegCpuQueryR80(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (RTFLOAT80U *)pvStart); break;
|
---|
| 1944 | //case DBGFREGVALTYPE_U128: rc = DBGFR3RegCpuQueryU128(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (PRTUINT128U)pvStart); break;
|
---|
| 1945 | default: AssertMsgFailedBreakStmt(("Register type %u not implemented\n", paRegs[i].enmValType), rc = VERR_NOT_IMPLEMENTED);
|
---|
| 1946 | }
|
---|
| 1947 |
|
---|
| 1948 | if ( rc == VINF_DBGF_ZERO_EXTENDED_REGISTER
|
---|
| 1949 | || ( rc == VINF_DBGF_TRUNCATED_REGISTER
|
---|
| 1950 | && paRegs[i].enmReg == DBGFREG_RFLAGS)) /* KD protocol specifies 32bit but is really 64bit. */
|
---|
| 1951 | rc = VINF_SUCCESS;
|
---|
| 1952 | }
|
---|
| 1953 |
|
---|
| 1954 | if ( RT_SUCCESS(rc)
|
---|
| 1955 | && rc != VINF_SUCCESS)
|
---|
| 1956 | rc = VERR_DBGF_UNSUPPORTED_CAST;
|
---|
| 1957 |
|
---|
| 1958 | return rc;
|
---|
| 1959 | }
|
---|
| 1960 |
|
---|
| 1961 |
|
---|
| 1962 | /**
|
---|
[86105] | 1963 | * Fills in the given 64bit NT context structure with the requested values.
|
---|
| 1964 | *
|
---|
| 1965 | * @returns VBox status code.
|
---|
| 1966 | * @param pThis The KD context.
|
---|
| 1967 | * @param idCpu The CPU to query the context for.
|
---|
| 1968 | * @param pNtCtx The NT context structure to fill in.
|
---|
[86110] | 1969 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
[86105] | 1970 | */
|
---|
| 1971 | static int dbgcKdCtxQueryNtCtx64(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
|
---|
| 1972 | {
|
---|
| 1973 | RT_BZERO(pNtCtx, sizeof(*pNtCtx));
|
---|
| 1974 |
|
---|
| 1975 | pNtCtx->fContext = NTCONTEXT_F_AMD64;
|
---|
| 1976 | int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pNtCtx->u32RegMxCsr);
|
---|
| 1977 |
|
---|
| 1978 | if ( RT_SUCCESS(rc)
|
---|
| 1979 | && fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
| 1980 | {
|
---|
[96866] | 1981 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsCtrl64[0], RT_ELEMENTS(g_aRegsCtrl64), pNtCtx);
|
---|
[86105] | 1982 | if (RT_SUCCESS(rc))
|
---|
| 1983 | pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
|
---|
| 1984 | }
|
---|
| 1985 |
|
---|
| 1986 | if ( RT_SUCCESS(rc)
|
---|
| 1987 | && fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
| 1988 | {
|
---|
[96866] | 1989 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsInt64[0], RT_ELEMENTS(g_aRegsInt64), pNtCtx);
|
---|
[86105] | 1990 | if (RT_SUCCESS(rc))
|
---|
| 1991 | pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
|
---|
| 1992 | }
|
---|
| 1993 |
|
---|
| 1994 | if ( RT_SUCCESS(rc)
|
---|
| 1995 | && fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
| 1996 | {
|
---|
[96866] | 1997 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsSegs64[0], RT_ELEMENTS(g_aRegsSegs64), pNtCtx);
|
---|
[86105] | 1998 | if (RT_SUCCESS(rc))
|
---|
| 1999 | pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
|
---|
| 2000 | }
|
---|
| 2001 |
|
---|
| 2002 | if ( RT_SUCCESS(rc)
|
---|
| 2003 | && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
| 2004 | {
|
---|
[96866] | 2005 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsFx64[0], RT_ELEMENTS(g_aRegsFx64), pNtCtx);
|
---|
| 2006 | if (RT_SUCCESS(rc))
|
---|
| 2007 | pNtCtx->fContext |= NTCONTEXT_F_FLOATING_POINT;
|
---|
[86105] | 2008 | }
|
---|
| 2009 |
|
---|
| 2010 | if ( RT_SUCCESS(rc)
|
---|
| 2011 | && fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
| 2012 | {
|
---|
[87580] | 2013 | /** @todo NTCONTEXT_F_DEBUG */
|
---|
[86105] | 2014 | }
|
---|
| 2015 |
|
---|
| 2016 | return rc;
|
---|
| 2017 | }
|
---|
| 2018 |
|
---|
| 2019 |
|
---|
[86165] | 2020 | /**
|
---|
| 2021 | * Fills in the given 32bit NT context structure with the requested values.
|
---|
| 2022 | *
|
---|
| 2023 | * @returns VBox status code.
|
---|
| 2024 | * @param pThis The KD context.
|
---|
| 2025 | * @param idCpu The CPU to query the context for.
|
---|
| 2026 | * @param pNtCtx The NT context structure to fill in.
|
---|
| 2027 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
| 2028 | */
|
---|
| 2029 | static int dbgcKdCtxQueryNtCtx32(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT32 pNtCtx, uint32_t fCtxFlags)
|
---|
| 2030 | {
|
---|
| 2031 | RT_BZERO(pNtCtx, sizeof(*pNtCtx));
|
---|
| 2032 |
|
---|
| 2033 | pNtCtx->fContext = NTCONTEXT_F_X86;
|
---|
| 2034 |
|
---|
| 2035 | int rc = VINF_SUCCESS;
|
---|
| 2036 | if (fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
| 2037 | {
|
---|
[96866] | 2038 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsCtrl32[0], RT_ELEMENTS(g_aRegsCtrl32), pNtCtx);
|
---|
[86165] | 2039 | if (RT_SUCCESS(rc))
|
---|
| 2040 | pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
|
---|
| 2041 | }
|
---|
| 2042 |
|
---|
| 2043 | if ( RT_SUCCESS(rc)
|
---|
| 2044 | && fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
| 2045 | {
|
---|
[96866] | 2046 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsInt32[0], RT_ELEMENTS(g_aRegsInt32), pNtCtx);
|
---|
[86165] | 2047 | if (RT_SUCCESS(rc))
|
---|
| 2048 | pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
|
---|
| 2049 | }
|
---|
| 2050 |
|
---|
| 2051 | if ( RT_SUCCESS(rc)
|
---|
| 2052 | && fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
| 2053 | {
|
---|
[96866] | 2054 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsSegs32[0], RT_ELEMENTS(g_aRegsSegs32), pNtCtx);
|
---|
[86165] | 2055 | if (RT_SUCCESS(rc))
|
---|
| 2056 | pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
|
---|
| 2057 | }
|
---|
| 2058 |
|
---|
| 2059 | if ( RT_SUCCESS(rc)
|
---|
| 2060 | && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
| 2061 | {
|
---|
[96866] | 2062 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsFx32[0], RT_ELEMENTS(g_aRegsFx32), pNtCtx);
|
---|
| 2063 | if (RT_SUCCESS(rc))
|
---|
| 2064 | pNtCtx->fContext |= NTCONTEXT_F_FLOATING_POINT;
|
---|
[86165] | 2065 | }
|
---|
| 2066 |
|
---|
| 2067 | if ( RT_SUCCESS(rc)
|
---|
| 2068 | && fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
| 2069 | {
|
---|
[96866] | 2070 | rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsDbg32[0], RT_ELEMENTS(g_aRegsDbg32), pNtCtx);
|
---|
[86165] | 2071 | if (RT_SUCCESS(rc))
|
---|
| 2072 | pNtCtx->fContext |= NTCONTEXT_F_DEBUG;
|
---|
| 2073 | }
|
---|
| 2074 |
|
---|
| 2075 | return rc;
|
---|
| 2076 | }
|
---|
| 2077 |
|
---|
| 2078 |
|
---|
[86148] | 2079 | #define KD_REG_INIT(a_pszName, a_enmType, a_ValMember, a_Val) \
|
---|
| 2080 | do \
|
---|
| 2081 | { \
|
---|
| 2082 | aRegsSet[idxReg].pszName = a_pszName; \
|
---|
| 2083 | aRegsSet[idxReg].enmType = a_enmType; \
|
---|
| 2084 | aRegsSet[idxReg].Val.a_ValMember = a_Val; \
|
---|
| 2085 | idxReg++; \
|
---|
| 2086 | } while (0)
|
---|
| 2087 | #define KD_REG_INIT_DTR(a_pszName, a_Base, a_Limit) \
|
---|
| 2088 | do \
|
---|
| 2089 | { \
|
---|
| 2090 | aRegsSet[idxReg].pszName = a_pszName; \
|
---|
| 2091 | aRegsSet[idxReg].enmType = DBGFREGVALTYPE_DTR; \
|
---|
| 2092 | aRegsSet[idxReg].Val.dtr.u64Base = a_Base; \
|
---|
| 2093 | aRegsSet[idxReg].Val.dtr.u32Limit = a_Limit; \
|
---|
| 2094 | idxReg++; \
|
---|
| 2095 | } while (0)
|
---|
| 2096 | #define KD_REG_INIT_U16(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U16, u16, a_Val)
|
---|
| 2097 | #define KD_REG_INIT_U32(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U32, u32, a_Val)
|
---|
| 2098 | #define KD_REG_INIT_U64(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U64, u64, a_Val)
|
---|
| 2099 |
|
---|
| 2100 |
|
---|
[86105] | 2101 | /**
|
---|
[86148] | 2102 | * Writes the indicated values from the given context structure to the guests register set.
|
---|
| 2103 | *
|
---|
| 2104 | * @returns VBox status code.
|
---|
| 2105 | * @param pThis The KD context.
|
---|
| 2106 | * @param idCpu The CPU to query the context for.
|
---|
| 2107 | * @param pNtCtx The NT context structure to set.
|
---|
| 2108 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to set.
|
---|
| 2109 | */
|
---|
| 2110 | static int dbgcKdCtxSetNtCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
|
---|
| 2111 | {
|
---|
| 2112 | uint32_t idxReg = 0;
|
---|
| 2113 | DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
|
---|
| 2114 |
|
---|
| 2115 | KD_REG_INIT_U32("mxcsr", pNtCtx->u32RegMxCsr);
|
---|
| 2116 |
|
---|
| 2117 | if (fCtxFlags & NTCONTEXT_F_CONTROL)
|
---|
| 2118 | {
|
---|
| 2119 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
| 2120 | KD_REG_INIT_U16("cs", pNtCtx->u16SegCs);
|
---|
| 2121 | KD_REG_INIT_U16("ss", pNtCtx->u16SegSs);
|
---|
| 2122 | #endif
|
---|
| 2123 | KD_REG_INIT_U64("rip", pNtCtx->u64RegRip);
|
---|
| 2124 | KD_REG_INIT_U64("rsp", pNtCtx->u64RegRsp);
|
---|
| 2125 | KD_REG_INIT_U64("rbp", pNtCtx->u64RegRbp);
|
---|
| 2126 | KD_REG_INIT_U32("rflags", pNtCtx->u32RegEflags);
|
---|
| 2127 | }
|
---|
| 2128 |
|
---|
| 2129 | if (fCtxFlags & NTCONTEXT_F_INTEGER)
|
---|
| 2130 | {
|
---|
| 2131 | KD_REG_INIT_U64("rax", pNtCtx->u64RegRax);
|
---|
| 2132 | KD_REG_INIT_U64("rcx", pNtCtx->u64RegRcx);
|
---|
| 2133 | KD_REG_INIT_U64("rdx", pNtCtx->u64RegRdx);
|
---|
| 2134 | KD_REG_INIT_U64("rbx", pNtCtx->u64RegRbx);
|
---|
| 2135 | KD_REG_INIT_U64("rsi", pNtCtx->u64RegRsi);
|
---|
| 2136 | KD_REG_INIT_U64("rdi", pNtCtx->u64RegRdi);
|
---|
| 2137 | KD_REG_INIT_U64("r8", pNtCtx->u64RegR8);
|
---|
| 2138 | KD_REG_INIT_U64("r9", pNtCtx->u64RegR9);
|
---|
| 2139 | KD_REG_INIT_U64("r10", pNtCtx->u64RegR10);
|
---|
| 2140 | KD_REG_INIT_U64("r11", pNtCtx->u64RegR11);
|
---|
| 2141 | KD_REG_INIT_U64("r12", pNtCtx->u64RegR12);
|
---|
| 2142 | KD_REG_INIT_U64("r13", pNtCtx->u64RegR13);
|
---|
| 2143 | KD_REG_INIT_U64("r14", pNtCtx->u64RegR14);
|
---|
| 2144 | KD_REG_INIT_U64("r15", pNtCtx->u64RegR15);
|
---|
| 2145 | }
|
---|
| 2146 |
|
---|
| 2147 | if (fCtxFlags & NTCONTEXT_F_SEGMENTS)
|
---|
| 2148 | {
|
---|
| 2149 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
| 2150 | KD_REG_INIT_U16("ds", pNtCtx->u16SegDs);
|
---|
| 2151 | KD_REG_INIT_U16("es", pNtCtx->u16SegEs);
|
---|
| 2152 | KD_REG_INIT_U16("fs", pNtCtx->u16SegFs);
|
---|
| 2153 | KD_REG_INIT_U16("gs", pNtCtx->u16SegGs);
|
---|
| 2154 | #endif
|
---|
| 2155 | }
|
---|
| 2156 |
|
---|
| 2157 | if (fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
|
---|
| 2158 | {
|
---|
[87580] | 2159 | /** @todo NTCONTEXT_F_FLOATING_POINT. */
|
---|
[86148] | 2160 | }
|
---|
| 2161 |
|
---|
| 2162 | if (fCtxFlags & NTCONTEXT_F_DEBUG)
|
---|
[86234] | 2163 | dbgcKdCtxMsgSend(pThis, true /*fWarning*/, "Setting local DR registers does not work!");
|
---|
[86148] | 2164 |
|
---|
| 2165 | return DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
|
---|
| 2166 | }
|
---|
| 2167 |
|
---|
| 2168 |
|
---|
| 2169 | /**
|
---|
[86105] | 2170 | * Fills in the given 64bit NT kernel context structure with the requested values.
|
---|
| 2171 | *
|
---|
| 2172 | * @returns VBox status code.
|
---|
| 2173 | * @param pThis The KD context.
|
---|
| 2174 | * @param idCpu The CPU to query the context for.
|
---|
[86110] | 2175 | * @param pKNtCtx The NT context structure to fill in.
|
---|
| 2176 | * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
|
---|
[86105] | 2177 | */
|
---|
| 2178 | static int dbgcKdCtxQueryNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT64 pKNtCtx, uint32_t fCtxFlags)
|
---|
| 2179 | {
|
---|
| 2180 | RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
|
---|
| 2181 |
|
---|
| 2182 | int rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u64RegCr0);
|
---|
| 2183 | if (RT_SUCCESS(rc))
|
---|
| 2184 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u64RegCr2);
|
---|
| 2185 | if (RT_SUCCESS(rc))
|
---|
| 2186 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u64RegCr3);
|
---|
| 2187 | if (RT_SUCCESS(rc))
|
---|
| 2188 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u64RegCr4);
|
---|
| 2189 | if (RT_SUCCESS(rc))
|
---|
| 2190 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR8, &pKNtCtx->u64RegCr8);
|
---|
| 2191 | if (RT_SUCCESS(rc))
|
---|
| 2192 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
|
---|
| 2193 | if (RT_SUCCESS(rc))
|
---|
| 2194 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u64PtrBase);
|
---|
| 2195 | if (RT_SUCCESS(rc))
|
---|
| 2196 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
|
---|
| 2197 | if (RT_SUCCESS(rc))
|
---|
| 2198 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u64PtrBase);
|
---|
| 2199 | if (RT_SUCCESS(rc))
|
---|
| 2200 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
|
---|
| 2201 | if (RT_SUCCESS(rc))
|
---|
| 2202 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
|
---|
| 2203 | if (RT_SUCCESS(rc))
|
---|
| 2204 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pKNtCtx->u32RegMxCsr);
|
---|
| 2205 |
|
---|
| 2206 | if (RT_SUCCESS(rc))
|
---|
| 2207 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_GS_BASE, &pKNtCtx->u64MsrGsBase);
|
---|
| 2208 | if (RT_SUCCESS(rc))
|
---|
| 2209 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_KERNEL_GS_BASE, &pKNtCtx->u64MsrKernelGsBase);
|
---|
| 2210 | if (RT_SUCCESS(rc))
|
---|
| 2211 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K6_STAR, &pKNtCtx->u64MsrStar);
|
---|
| 2212 | if (RT_SUCCESS(rc))
|
---|
| 2213 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_LSTAR, &pKNtCtx->u64MsrLstar);
|
---|
| 2214 | if (RT_SUCCESS(rc))
|
---|
| 2215 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_CSTAR, &pKNtCtx->u64MsrCstar);
|
---|
| 2216 | if (RT_SUCCESS(rc))
|
---|
| 2217 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_SF_MASK, &pKNtCtx->u64MsrSfMask);
|
---|
| 2218 | /** @todo XCR0 */
|
---|
| 2219 |
|
---|
[86234] | 2220 | /* Get the emulated DR register state. */
|
---|
| 2221 | pKNtCtx->u64RegDr0 = pThis->aHwBp[0].GCPtrBp;
|
---|
| 2222 | pKNtCtx->u64RegDr1 = pThis->aHwBp[1].GCPtrBp;
|
---|
| 2223 | pKNtCtx->u64RegDr2 = pThis->aHwBp[2].GCPtrBp;
|
---|
| 2224 | pKNtCtx->u64RegDr3 = pThis->aHwBp[3].GCPtrBp;
|
---|
| 2225 | pKNtCtx->u64RegDr6 = dbgcKdCtxHwBpDr6Get(pThis);
|
---|
| 2226 | pKNtCtx->u64RegDr7 = dbgcKdCtxHwBpDr7Get(pThis);
|
---|
| 2227 |
|
---|
[86105] | 2228 | if (RT_SUCCESS(rc))
|
---|
| 2229 | rc = dbgcKdCtxQueryNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, fCtxFlags);
|
---|
| 2230 |
|
---|
| 2231 | return rc;
|
---|
| 2232 | }
|
---|
| 2233 |
|
---|
| 2234 |
|
---|
| 2235 | /**
|
---|
[86165] | 2236 | * Fills in the given 32bit NT kernel context structure with the requested values.
|
---|
| 2237 | *
|
---|
| 2238 | * @returns VBox status code.
|
---|
| 2239 | * @param pThis The KD context.
|
---|
| 2240 | * @param idCpu The CPU to query the context for.
|
---|
| 2241 | * @param pKNtCtx The NT context structure to fill in.
|
---|
| 2242 | */
|
---|
| 2243 | static int dbgcKdCtxQueryNtKCtx32(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT32 pKNtCtx)
|
---|
| 2244 | {
|
---|
| 2245 | RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
|
---|
| 2246 |
|
---|
| 2247 | int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u32RegCr0);
|
---|
| 2248 | if (RT_SUCCESS(rc))
|
---|
| 2249 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u32RegCr2);
|
---|
| 2250 | if (RT_SUCCESS(rc))
|
---|
| 2251 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u32RegCr3);
|
---|
| 2252 | if (RT_SUCCESS(rc))
|
---|
| 2253 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u32RegCr4);
|
---|
| 2254 |
|
---|
| 2255 | if (RT_SUCCESS(rc))
|
---|
| 2256 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
|
---|
| 2257 | if (RT_SUCCESS(rc))
|
---|
| 2258 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u32PtrBase);
|
---|
| 2259 | if (RT_SUCCESS(rc))
|
---|
| 2260 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
|
---|
| 2261 | if (RT_SUCCESS(rc))
|
---|
| 2262 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u32PtrBase);
|
---|
| 2263 | if (RT_SUCCESS(rc))
|
---|
| 2264 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
|
---|
| 2265 | if (RT_SUCCESS(rc))
|
---|
| 2266 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
|
---|
| 2267 |
|
---|
[86234] | 2268 | /* Get the emulated DR register state. */
|
---|
| 2269 | pKNtCtx->u32RegDr0 = (uint32_t)pThis->aHwBp[0].GCPtrBp;
|
---|
| 2270 | pKNtCtx->u32RegDr1 = (uint32_t)pThis->aHwBp[1].GCPtrBp;
|
---|
| 2271 | pKNtCtx->u32RegDr2 = (uint32_t)pThis->aHwBp[2].GCPtrBp;
|
---|
| 2272 | pKNtCtx->u32RegDr3 = (uint32_t)pThis->aHwBp[3].GCPtrBp;
|
---|
| 2273 | pKNtCtx->u32RegDr6 = dbgcKdCtxHwBpDr6Get(pThis);
|
---|
| 2274 | pKNtCtx->u32RegDr7 = dbgcKdCtxHwBpDr7Get(pThis);
|
---|
| 2275 |
|
---|
[86165] | 2276 | return rc;
|
---|
| 2277 | }
|
---|
| 2278 |
|
---|
| 2279 |
|
---|
| 2280 | /**
|
---|
[86148] | 2281 | * Fills in the given 64bit NT kernel context structure with the requested values.
|
---|
| 2282 | *
|
---|
| 2283 | * @returns VBox status code.
|
---|
| 2284 | * @param pThis The KD context.
|
---|
| 2285 | * @param idCpu The CPU to query the context for.
|
---|
| 2286 | * @param pKNtCtx The NT context structure to fill in.
|
---|
| 2287 | * @param cbSet How many bytes of the context are valid.
|
---|
| 2288 | */
|
---|
| 2289 | static int dbgcKdCtxSetNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTKCONTEXT64 pKNtCtx, size_t cbSet)
|
---|
| 2290 | {
|
---|
| 2291 | AssertReturn(cbSet >= RT_UOFFSETOF(NTKCONTEXT64, Ctx), VERR_INVALID_PARAMETER);
|
---|
| 2292 |
|
---|
| 2293 | uint32_t idxReg = 0;
|
---|
| 2294 | DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
|
---|
| 2295 |
|
---|
| 2296 | KD_REG_INIT_U64("cr0", pKNtCtx->u64RegCr0);
|
---|
| 2297 | KD_REG_INIT_U64("cr2", pKNtCtx->u64RegCr2);
|
---|
| 2298 | KD_REG_INIT_U64("cr3", pKNtCtx->u64RegCr3);
|
---|
| 2299 | KD_REG_INIT_U64("cr4", pKNtCtx->u64RegCr4);
|
---|
| 2300 | KD_REG_INIT_U64("cr8", pKNtCtx->u64RegCr8);
|
---|
| 2301 |
|
---|
| 2302 | KD_REG_INIT_DTR("gdtr", pKNtCtx->Gdtr.u64PtrBase, pKNtCtx->Gdtr.u16Limit);
|
---|
| 2303 | KD_REG_INIT_DTR("idtr", pKNtCtx->Idtr.u64PtrBase, pKNtCtx->Idtr.u16Limit);
|
---|
| 2304 |
|
---|
| 2305 | #if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
|
---|
| 2306 | KD_REG_INIT_U16("tr", pKNtCtx->u16RegTr);
|
---|
| 2307 | KD_REG_INIT_U16("ldtr", pKNtCtx->u16RegLdtr);
|
---|
| 2308 | #endif
|
---|
| 2309 | KD_REG_INIT_U32("mxcsr", pKNtCtx->u32RegMxCsr);
|
---|
| 2310 |
|
---|
| 2311 | KD_REG_INIT_U64("msr_gs_base", pKNtCtx->u64MsrGsBase);
|
---|
| 2312 | KD_REG_INIT_U64("krnl_gs_base", pKNtCtx->u64MsrKernelGsBase);
|
---|
| 2313 | KD_REG_INIT_U64("star", pKNtCtx->u64MsrStar);
|
---|
| 2314 | KD_REG_INIT_U64("lstar", pKNtCtx->u64MsrLstar);
|
---|
| 2315 | KD_REG_INIT_U64("cstar", pKNtCtx->u64MsrCstar);
|
---|
| 2316 | KD_REG_INIT_U64("sf_mask", pKNtCtx->u64MsrSfMask);
|
---|
| 2317 |
|
---|
| 2318 | int rc = DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
|
---|
| 2319 | if ( RT_SUCCESS(rc)
|
---|
| 2320 | && cbSet > RT_UOFFSETOF(NTKCONTEXT64, Ctx)) /** @todo Probably wrong. */
|
---|
| 2321 | rc = dbgcKdCtxSetNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, pKNtCtx->Ctx.fContext);
|
---|
| 2322 |
|
---|
[86234] | 2323 | if (RT_SUCCESS(rc))
|
---|
| 2324 | {
|
---|
| 2325 | /* Update emulated hardware breakpoint state. */
|
---|
| 2326 | dbgcKdCtxHwBpDr6Update(pThis, (uint32_t)pKNtCtx->u64RegDr6);
|
---|
| 2327 | rc = dbgcKdCtxHwBpDr7Update(pThis, (uint32_t)pKNtCtx->u64RegDr7);
|
---|
| 2328 | if (RT_SUCCESS(rc))
|
---|
| 2329 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[0], pKNtCtx->u64RegDr0);
|
---|
| 2330 | if (RT_SUCCESS(rc))
|
---|
| 2331 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[1], pKNtCtx->u64RegDr1);
|
---|
| 2332 | if (RT_SUCCESS(rc))
|
---|
| 2333 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[2], pKNtCtx->u64RegDr2);
|
---|
| 2334 | if (RT_SUCCESS(rc))
|
---|
| 2335 | rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[3], pKNtCtx->u64RegDr3);
|
---|
| 2336 | }
|
---|
| 2337 |
|
---|
[86148] | 2338 | return rc;
|
---|
| 2339 | }
|
---|
| 2340 |
|
---|
| 2341 | #undef KD_REG_INIT_64
|
---|
| 2342 | #undef KD_REG_INIT_32
|
---|
| 2343 | #undef KD_REG_INIT_16
|
---|
| 2344 | #undef KD_REG_INIT_DTR
|
---|
| 2345 | #undef KD_REG_INIT
|
---|
| 2346 |
|
---|
| 2347 |
|
---|
| 2348 | /**
|
---|
[86105] | 2349 | * Validates the given KD packet header.
|
---|
| 2350 | *
|
---|
| 2351 | * @returns Flag whether the packet header is valid, false if invalid.
|
---|
| 2352 | * @param pPktHdr The packet header to validate.
|
---|
| 2353 | */
|
---|
| 2354 | static bool dbgcKdPktHdrValidate(PCKDPACKETHDR pPktHdr)
|
---|
| 2355 | {
|
---|
| 2356 | if ( pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_DATA
|
---|
| 2357 | && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_CONTROL
|
---|
| 2358 | && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_BREAKIN)
|
---|
| 2359 | return false;
|
---|
| 2360 |
|
---|
| 2361 | if (pPktHdr->u16SubType >= KD_PACKET_HDR_SUB_TYPE_MAX)
|
---|
| 2362 | return false;
|
---|
| 2363 |
|
---|
| 2364 | uint32_t idPacket = pPktHdr->idPacket & UINT32_C(0xfffffffe);
|
---|
| 2365 | if ( idPacket != KD_PACKET_HDR_ID_INITIAL
|
---|
| 2366 | && idPacket != KD_PACKET_HDR_ID_RESET
|
---|
| 2367 | && idPacket != 0 /* Happens on the very first packet */)
|
---|
| 2368 | return false;
|
---|
| 2369 |
|
---|
| 2370 | return true;
|
---|
| 2371 | }
|
---|
| 2372 |
|
---|
| 2373 |
|
---|
| 2374 | /**
|
---|
| 2375 | * Generates a checksum from the given buffer.
|
---|
| 2376 | *
|
---|
| 2377 | * @returns Generated checksum.
|
---|
| 2378 | * @param pv The data to generate a checksum from.
|
---|
| 2379 | * @param cb Number of bytes to checksum.
|
---|
| 2380 | */
|
---|
| 2381 | static uint32_t dbgcKdPktChkSumGen(const void *pv, size_t cb)
|
---|
| 2382 | {
|
---|
| 2383 | const uint8_t *pb = (const uint8_t *)pv;
|
---|
| 2384 | uint32_t u32ChkSum = 0;
|
---|
| 2385 |
|
---|
| 2386 | while (cb--)
|
---|
| 2387 | u32ChkSum += *pb++;
|
---|
| 2388 |
|
---|
| 2389 | return u32ChkSum;
|
---|
| 2390 | }
|
---|
| 2391 |
|
---|
| 2392 |
|
---|
| 2393 | /**
|
---|
| 2394 | * Generates a checksum from the given segments.
|
---|
| 2395 | *
|
---|
| 2396 | * @returns Generated checksum.
|
---|
| 2397 | * @param paSegs Pointer to the array of segments containing the data.
|
---|
| 2398 | * @param cSegs Number of segments.
|
---|
| 2399 | * @param pcbChkSum Where to store the number of bytes checksummed, optional.
|
---|
| 2400 | */
|
---|
| 2401 | static uint32_t dbgcKdPktChkSumGenSg(PCRTSGSEG paSegs, uint32_t cSegs, size_t *pcbChkSum)
|
---|
| 2402 | {
|
---|
| 2403 | size_t cbChkSum = 0;
|
---|
| 2404 | uint32_t u32ChkSum = 0;
|
---|
| 2405 |
|
---|
| 2406 | for (uint32_t i = 0; i < cSegs; i++)
|
---|
| 2407 | {
|
---|
| 2408 | u32ChkSum += dbgcKdPktChkSumGen(paSegs[i].pvSeg, paSegs[i].cbSeg);
|
---|
| 2409 | cbChkSum += paSegs[i].cbSeg;
|
---|
| 2410 | }
|
---|
| 2411 |
|
---|
| 2412 | if (pcbChkSum)
|
---|
| 2413 | *pcbChkSum = cbChkSum;
|
---|
| 2414 |
|
---|
| 2415 | return u32ChkSum;
|
---|
| 2416 | }
|
---|
| 2417 |
|
---|
| 2418 |
|
---|
| 2419 | /**
|
---|
| 2420 | * Waits for an acknowledgment.
|
---|
| 2421 | *
|
---|
| 2422 | * @returns VBox status code.
|
---|
| 2423 | * @param pThis The KD context.
|
---|
| 2424 | * @param msWait Maximum number of milliseconds to wait for an acknowledge.
|
---|
| 2425 | * @param pfResend Where to store the resend requested flag on success.
|
---|
| 2426 | */
|
---|
| 2427 | static int dbgcKdCtxPktWaitForAck(PKDCTX pThis, RTMSINTERVAL msWait, bool *pfResend)
|
---|
| 2428 | {
|
---|
| 2429 | KDPACKETHDR PktAck;
|
---|
| 2430 | uint8_t *pbCur = (uint8_t *)&PktAck;
|
---|
| 2431 | size_t cbLeft = sizeof(PktAck);
|
---|
| 2432 | uint64_t tsStartMs = RTTimeMilliTS();
|
---|
| 2433 | int rc = VINF_SUCCESS;
|
---|
| 2434 |
|
---|
| 2435 | LogFlowFunc(("pThis=%p msWait=%u pfResend=%p\n", pThis, msWait, pfResend));
|
---|
| 2436 |
|
---|
| 2437 | RT_ZERO(PktAck);
|
---|
| 2438 |
|
---|
| 2439 | /* There might be breakin packets in the queue, read until we get something else. */
|
---|
| 2440 | while ( msWait
|
---|
| 2441 | && RT_SUCCESS(rc))
|
---|
| 2442 | {
|
---|
[86327] | 2443 | if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, msWait))
|
---|
[86105] | 2444 | {
|
---|
| 2445 | size_t cbRead = 0;
|
---|
[86327] | 2446 | rc = pThis->Dbgc.pIo->pfnRead(pThis->Dbgc.pIo, pbCur, 1, &cbRead);
|
---|
[86105] | 2447 | if ( RT_SUCCESS(rc)
|
---|
| 2448 | && cbRead == 1)
|
---|
| 2449 | {
|
---|
| 2450 | uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
|
---|
| 2451 | msWait -= RT_MIN(msWait, tsSpanMs);
|
---|
| 2452 | tsStartMs = RTTimeMilliTS();
|
---|
| 2453 |
|
---|
| 2454 | if (*pbCur == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
| 2455 | pThis->fBreakinRecv = true;
|
---|
| 2456 | else
|
---|
| 2457 | {
|
---|
| 2458 | pbCur++;
|
---|
| 2459 | cbLeft--;
|
---|
| 2460 | break;
|
---|
| 2461 | }
|
---|
| 2462 | }
|
---|
| 2463 | }
|
---|
| 2464 | else
|
---|
| 2465 | rc = VERR_TIMEOUT;
|
---|
| 2466 | }
|
---|
| 2467 |
|
---|
| 2468 | if ( RT_SUCCESS(rc)
|
---|
| 2469 | && !msWait)
|
---|
| 2470 | rc = VERR_TIMEOUT;
|
---|
| 2471 |
|
---|
| 2472 | if (RT_SUCCESS(rc))
|
---|
| 2473 | {
|
---|
| 2474 | while ( msWait
|
---|
| 2475 | && RT_SUCCESS(rc)
|
---|
| 2476 | && cbLeft)
|
---|
| 2477 | {
|
---|
[86327] | 2478 | if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, msWait))
|
---|
[86105] | 2479 | {
|
---|
| 2480 | size_t cbRead = 0;
|
---|
[86327] | 2481 | rc = pThis->Dbgc.pIo->pfnRead(pThis->Dbgc.pIo, pbCur, cbLeft, &cbRead);
|
---|
[86105] | 2482 | if (RT_SUCCESS(rc))
|
---|
| 2483 | {
|
---|
| 2484 | uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
|
---|
| 2485 | msWait -= RT_MIN(msWait, tsSpanMs);
|
---|
| 2486 | tsStartMs = RTTimeMilliTS();
|
---|
| 2487 |
|
---|
| 2488 | cbLeft -= cbRead;
|
---|
| 2489 | pbCur += cbRead;
|
---|
| 2490 | }
|
---|
| 2491 | }
|
---|
| 2492 | else
|
---|
| 2493 | rc = VERR_TIMEOUT;
|
---|
| 2494 | }
|
---|
| 2495 |
|
---|
| 2496 | if (RT_SUCCESS(rc))
|
---|
| 2497 | {
|
---|
| 2498 | if (PktAck.u32Signature == KD_PACKET_HDR_SIGNATURE_CONTROL)
|
---|
| 2499 | {
|
---|
| 2500 | if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE)
|
---|
| 2501 | rc = VINF_SUCCESS;
|
---|
| 2502 | else if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_RESEND)
|
---|
| 2503 | {
|
---|
| 2504 | *pfResend = true;
|
---|
| 2505 | rc = VINF_SUCCESS;
|
---|
| 2506 | }
|
---|
| 2507 | else
|
---|
| 2508 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
| 2509 | }
|
---|
| 2510 | else
|
---|
| 2511 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
| 2512 | }
|
---|
| 2513 | }
|
---|
| 2514 |
|
---|
| 2515 | LogFlowFunc(("returns rc=%Rrc *pfResend=%RTbool\n", rc, *pfResend));
|
---|
| 2516 | return rc;
|
---|
| 2517 | }
|
---|
| 2518 |
|
---|
| 2519 |
|
---|
| 2520 | /**
|
---|
| 2521 | * Sends the given packet header and optional segmented body (the trailing byte is sent automatically).
|
---|
| 2522 | *
|
---|
| 2523 | * @returns VBox status code.
|
---|
| 2524 | * @param pThis The KD context.
|
---|
| 2525 | * @param u32Signature The signature to send.
|
---|
| 2526 | * @param u16SubType The sub type to send.
|
---|
| 2527 | * @param paSegs Pointer to the array of segments to send in the body, optional.
|
---|
| 2528 | * @param cSegs Number of segments.
|
---|
| 2529 | * @param fAck Flag whether to wait for an acknowledge.
|
---|
| 2530 | */
|
---|
| 2531 | static int dbgcKdCtxPktSendSg(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
|
---|
| 2532 | PCRTSGSEG paSegs, uint32_t cSegs, bool fAck)
|
---|
| 2533 | {
|
---|
| 2534 | int rc = VINF_SUCCESS;
|
---|
| 2535 | uint32_t cRetriesLeft = 3;
|
---|
| 2536 | uint8_t bTrailer = KD_PACKET_TRAILING_BYTE;
|
---|
| 2537 | KDPACKETHDR Hdr;
|
---|
| 2538 |
|
---|
| 2539 | size_t cbChkSum = 0;
|
---|
| 2540 | uint32_t u32ChkSum = dbgcKdPktChkSumGenSg(paSegs, cSegs, &cbChkSum);
|
---|
| 2541 |
|
---|
| 2542 | Hdr.u32Signature = u32Signature;
|
---|
| 2543 | Hdr.u16SubType = u16SubType;
|
---|
| 2544 | Hdr.cbBody = (uint16_t)cbChkSum;
|
---|
| 2545 | Hdr.idPacket = pThis->idPktNext;
|
---|
| 2546 | Hdr.u32ChkSum = u32ChkSum;
|
---|
| 2547 |
|
---|
[86107] | 2548 | #ifdef LOG_ENABLED
|
---|
[86105] | 2549 | dbgcKdPktDump(&Hdr, paSegs, cSegs, false /*fRx*/);
|
---|
[86107] | 2550 | #endif
|
---|
[86105] | 2551 |
|
---|
| 2552 | while (cRetriesLeft--)
|
---|
| 2553 | {
|
---|
| 2554 | bool fResend = false;
|
---|
| 2555 |
|
---|
[96866] | 2556 | if (pThis->Dbgc.pIo->pfnPktBegin)
|
---|
| 2557 | {
|
---|
| 2558 | rc = pThis->Dbgc.pIo->pfnPktBegin(pThis->Dbgc.pIo, 0 /*cbPktHint*/);
|
---|
| 2559 | AssertRC(rc);
|
---|
| 2560 | }
|
---|
| 2561 |
|
---|
[86105] | 2562 | rc = dbgcKdCtxWrite(pThis, &Hdr, sizeof(Hdr));
|
---|
| 2563 | if ( RT_SUCCESS(rc)
|
---|
| 2564 | && paSegs
|
---|
| 2565 | && cSegs)
|
---|
| 2566 | {
|
---|
| 2567 | for (uint32_t i = 0; i < cSegs && RT_SUCCESS(rc); i++)
|
---|
| 2568 | rc = dbgcKdCtxWrite(pThis, paSegs[i].pvSeg, paSegs[i].cbSeg);
|
---|
| 2569 |
|
---|
| 2570 | if (RT_SUCCESS(rc))
|
---|
| 2571 | rc = dbgcKdCtxWrite(pThis, &bTrailer, sizeof(bTrailer));
|
---|
| 2572 | }
|
---|
| 2573 |
|
---|
[96866] | 2574 | if ( RT_SUCCESS(rc)
|
---|
| 2575 | && pThis->Dbgc.pIo->pfnPktEnd)
|
---|
| 2576 | rc = pThis->Dbgc.pIo->pfnPktEnd(pThis->Dbgc.pIo);
|
---|
| 2577 |
|
---|
[86105] | 2578 | if (RT_SUCCESS(rc))
|
---|
| 2579 | {
|
---|
| 2580 | if (fAck)
|
---|
| 2581 | rc = dbgcKdCtxPktWaitForAck(pThis, 10 * 1000, &fResend);
|
---|
| 2582 |
|
---|
| 2583 | if ( RT_SUCCESS(rc)
|
---|
| 2584 | && !fResend)
|
---|
| 2585 | break;
|
---|
| 2586 | }
|
---|
| 2587 | }
|
---|
| 2588 |
|
---|
| 2589 | return rc;
|
---|
| 2590 | }
|
---|
| 2591 |
|
---|
| 2592 |
|
---|
| 2593 | /**
|
---|
| 2594 | * Sends the given packet header and optional body (the trailing byte is sent automatically).
|
---|
| 2595 | *
|
---|
| 2596 | * @returns VBox status code.
|
---|
| 2597 | * @param pThis The KD context.
|
---|
| 2598 | * @param u32Signature The signature to send.
|
---|
| 2599 | * @param u16SubType The sub type to send.
|
---|
| 2600 | * @param pvBody The body to send, optional.
|
---|
| 2601 | * @param cbBody Body size in bytes.
|
---|
| 2602 | * @param fAck Flag whether to wait for an acknowledge.
|
---|
| 2603 | */
|
---|
| 2604 | DECLINLINE(int) dbgcKdCtxPktSend(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
|
---|
| 2605 | const void *pvBody, size_t cbBody,
|
---|
| 2606 | bool fAck)
|
---|
| 2607 | {
|
---|
| 2608 | RTSGSEG Seg;
|
---|
| 2609 |
|
---|
| 2610 | Seg.pvSeg = (void *)pvBody;
|
---|
| 2611 | Seg.cbSeg = cbBody;
|
---|
| 2612 | return dbgcKdCtxPktSendSg(pThis, u32Signature, u16SubType, cbBody ? &Seg : NULL, cbBody ? 1 : 0, fAck);
|
---|
| 2613 | }
|
---|
| 2614 |
|
---|
| 2615 |
|
---|
| 2616 | /**
|
---|
| 2617 | * Sends a resend packet answer.
|
---|
| 2618 | *
|
---|
| 2619 | * @returns VBox status code.
|
---|
| 2620 | * @param pThis The KD context.
|
---|
| 2621 | */
|
---|
| 2622 | DECLINLINE(int) dbgcKdCtxPktSendResend(PKDCTX pThis)
|
---|
| 2623 | {
|
---|
| 2624 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESEND,
|
---|
| 2625 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
| 2626 | }
|
---|
| 2627 |
|
---|
| 2628 |
|
---|
| 2629 | /**
|
---|
| 2630 | * Sends a resend packet answer.
|
---|
| 2631 | *
|
---|
| 2632 | * @returns VBox status code.
|
---|
| 2633 | * @param pThis The KD context.
|
---|
| 2634 | */
|
---|
| 2635 | DECLINLINE(int) dbgcKdCtxPktSendReset(PKDCTX pThis)
|
---|
| 2636 | {
|
---|
| 2637 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
| 2638 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESET,
|
---|
| 2639 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
| 2640 | }
|
---|
| 2641 |
|
---|
| 2642 |
|
---|
| 2643 | /**
|
---|
| 2644 | * Sends an acknowledge packet answer.
|
---|
| 2645 | *
|
---|
| 2646 | * @returns VBox status code.
|
---|
| 2647 | * @param pThis The KD context.
|
---|
| 2648 | */
|
---|
| 2649 | DECLINLINE(int) dbgcKdCtxPktSendAck(PKDCTX pThis)
|
---|
| 2650 | {
|
---|
| 2651 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE,
|
---|
| 2652 | NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
|
---|
| 2653 | }
|
---|
| 2654 |
|
---|
| 2655 |
|
---|
| 2656 | /**
|
---|
| 2657 | * Resets the packet receive state machine.
|
---|
| 2658 | *
|
---|
| 2659 | * @param pThis The KD context.
|
---|
| 2660 | */
|
---|
| 2661 | static void dbgcKdCtxPktRecvReset(PKDCTX pThis)
|
---|
| 2662 | {
|
---|
| 2663 | pThis->enmState = KDRECVSTATE_PACKET_HDR_FIRST_BYTE;
|
---|
| 2664 | pThis->pbRecv = &pThis->PktHdr.ab[0];
|
---|
| 2665 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[0]);
|
---|
| 2666 | pThis->msRecvTimeout = RT_INDEFINITE_WAIT;
|
---|
| 2667 | pThis->tsRecvLast = RTTimeMilliTS();
|
---|
| 2668 | }
|
---|
| 2669 |
|
---|
| 2670 |
|
---|
| 2671 | /**
|
---|
[86180] | 2672 | * Sends a Debug I/O string packet.
|
---|
| 2673 | *
|
---|
| 2674 | * @returns VBox status code.
|
---|
| 2675 | * @param pThis The KD context data.
|
---|
| 2676 | * @param idCpu The CPU ID generating this packet.
|
---|
| 2677 | * @param pachChars The characters to send (ASCII).
|
---|
| 2678 | * @param cbChars Number of characters to send.
|
---|
| 2679 | */
|
---|
| 2680 | static int dbgcKdCtxDebugIoStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachChars, size_t cbChars)
|
---|
| 2681 | {
|
---|
| 2682 | KDPACKETDEBUGIO DebugIo;
|
---|
| 2683 | RT_ZERO(DebugIo);
|
---|
| 2684 |
|
---|
| 2685 | /* Fix your damn log strings if this exceeds 4GB... */
|
---|
| 2686 | if (cbChars != (uint32_t)cbChars)
|
---|
| 2687 | return VERR_BUFFER_OVERFLOW;
|
---|
| 2688 |
|
---|
| 2689 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
|
---|
| 2690 | DebugIo.u16CpuLvl = 0x6;
|
---|
| 2691 | DebugIo.idCpu = (uint16_t)idCpu;
|
---|
| 2692 | DebugIo.u.Str.cbStr = (uint32_t)cbChars;
|
---|
| 2693 |
|
---|
| 2694 | RTSGSEG aRespSegs[2];
|
---|
| 2695 |
|
---|
| 2696 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
| 2697 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
| 2698 | aRespSegs[1].pvSeg = (void *)pachChars;
|
---|
| 2699 | aRespSegs[1].cbSeg = cbChars;
|
---|
| 2700 |
|
---|
[86184] | 2701 | int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
| 2702 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 2703 | if (RT_SUCCESS(rc))
|
---|
| 2704 | pThis->idPktNext ^= 0x1;
|
---|
| 2705 |
|
---|
| 2706 | return rc;
|
---|
[86180] | 2707 | }
|
---|
| 2708 |
|
---|
| 2709 |
|
---|
| 2710 | /**
|
---|
[86234] | 2711 | * Sends a message to the remotes end.
|
---|
| 2712 | *
|
---|
| 2713 | * @param pThis The KD context data.
|
---|
| 2714 | * @param fWarning Flag whether this is a warning or an informational message.
|
---|
| 2715 | * @param pszMsg The message to send.
|
---|
| 2716 | */
|
---|
| 2717 | static void dbgcKdCtxMsgSend(PKDCTX pThis, bool fWarning, const char *pszMsg)
|
---|
| 2718 | {
|
---|
| 2719 | size_t cchMsg = strlen(pszMsg);
|
---|
| 2720 |
|
---|
| 2721 | KDPACKETDEBUGIO DebugIo;
|
---|
| 2722 | RT_ZERO(DebugIo);
|
---|
| 2723 |
|
---|
| 2724 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
|
---|
| 2725 | DebugIo.u16CpuLvl = 0x6;
|
---|
| 2726 | DebugIo.idCpu = 0;
|
---|
| 2727 |
|
---|
| 2728 | RTSGSEG aRespSegs[5];
|
---|
| 2729 |
|
---|
| 2730 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
| 2731 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
| 2732 | aRespSegs[1].pvSeg = (void *)"VBoxDbg ";
|
---|
| 2733 | aRespSegs[1].cbSeg = sizeof("VBoxDbg ") - 1;
|
---|
| 2734 | if (fWarning)
|
---|
| 2735 | {
|
---|
| 2736 | aRespSegs[2].pvSeg = (void *)"WARNING ";
|
---|
| 2737 | aRespSegs[2].cbSeg = sizeof("WARNING ") - 1;
|
---|
| 2738 | }
|
---|
| 2739 | else
|
---|
| 2740 | {
|
---|
| 2741 | aRespSegs[2].pvSeg = (void *)"INFO ";
|
---|
| 2742 | aRespSegs[2].cbSeg = sizeof("INFO ") - 1;
|
---|
| 2743 | }
|
---|
| 2744 | aRespSegs[3].pvSeg = (void *)pszMsg;
|
---|
| 2745 | aRespSegs[3].cbSeg = cchMsg;
|
---|
| 2746 | aRespSegs[4].pvSeg = (void *)"\r\n";
|
---|
| 2747 | aRespSegs[4].cbSeg = 2;
|
---|
| 2748 |
|
---|
[86235] | 2749 | DebugIo.u.Str.cbStr = (uint32_t)( aRespSegs[1].cbSeg
|
---|
| 2750 | + aRespSegs[2].cbSeg
|
---|
| 2751 | + aRespSegs[3].cbSeg
|
---|
| 2752 | + aRespSegs[4].cbSeg);
|
---|
[86234] | 2753 |
|
---|
| 2754 | int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
| 2755 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 2756 | if (RT_SUCCESS(rc))
|
---|
| 2757 | pThis->idPktNext ^= 0x1;
|
---|
| 2758 | }
|
---|
| 2759 |
|
---|
| 2760 |
|
---|
| 2761 | /**
|
---|
[86184] | 2762 | * Queries some user input from the remotes end.
|
---|
| 2763 | *
|
---|
| 2764 | * @returns VBox status code.
|
---|
| 2765 | * @param pThis The KD context data.
|
---|
| 2766 | * @param idCpu The CPU ID generating this packet.
|
---|
[86187] | 2767 | * @param pachPrompt The prompt to send (ASCII).
|
---|
| 2768 | * @param cbPrompt Number of characters to send for the prompt.
|
---|
[86184] | 2769 | * @param cbResponseMax Maximum size for the response.
|
---|
| 2770 | */
|
---|
| 2771 | static int dbgcKdCtxDebugIoGetStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachPrompt, size_t cbPrompt,
|
---|
| 2772 | size_t cbResponseMax)
|
---|
| 2773 | {
|
---|
| 2774 | KDPACKETDEBUGIO DebugIo;
|
---|
| 2775 | RT_ZERO(DebugIo);
|
---|
| 2776 |
|
---|
| 2777 | /* Fix your damn log strings if this exceeds 4GB... */
|
---|
| 2778 | if ( cbPrompt != (uint32_t)cbPrompt
|
---|
| 2779 | || cbResponseMax != (uint32_t)cbResponseMax)
|
---|
| 2780 | return VERR_BUFFER_OVERFLOW;
|
---|
| 2781 |
|
---|
| 2782 | DebugIo.u32Type = KD_PACKET_DEBUG_IO_GET_STRING;
|
---|
| 2783 | DebugIo.u16CpuLvl = 0x6;
|
---|
| 2784 | DebugIo.idCpu = (uint16_t)idCpu;
|
---|
| 2785 | DebugIo.u.Prompt.cbPrompt = (uint32_t)cbPrompt;
|
---|
| 2786 | DebugIo.u.Prompt.cbReturn = (uint32_t)cbResponseMax;
|
---|
| 2787 |
|
---|
| 2788 | RTSGSEG aRespSegs[2];
|
---|
| 2789 |
|
---|
| 2790 | aRespSegs[0].pvSeg = &DebugIo;
|
---|
| 2791 | aRespSegs[0].cbSeg = sizeof(DebugIo);
|
---|
| 2792 | aRespSegs[1].pvSeg = (void *)pachPrompt;
|
---|
| 2793 | aRespSegs[1].cbSeg = cbPrompt;
|
---|
| 2794 |
|
---|
| 2795 | int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
|
---|
| 2796 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 2797 | if (RT_SUCCESS(rc))
|
---|
| 2798 | pThis->idPktNext ^= 0x1;
|
---|
| 2799 |
|
---|
| 2800 | return rc;
|
---|
| 2801 | }
|
---|
| 2802 |
|
---|
| 2803 |
|
---|
| 2804 | /**
|
---|
[86105] | 2805 | * Sends a state change event packet.
|
---|
| 2806 | *
|
---|
| 2807 | * @returns VBox status code.
|
---|
[86180] | 2808 | * @param pThis The KD context data.
|
---|
| 2809 | * @param enmType The event type.
|
---|
[86105] | 2810 | */
|
---|
| 2811 | static int dbgcKdCtxStateChangeSend(PKDCTX pThis, DBGFEVENTTYPE enmType)
|
---|
| 2812 | {
|
---|
| 2813 | LogFlowFunc(("pThis=%p enmType=%u\n", pThis, enmType));
|
---|
| 2814 |
|
---|
| 2815 | /* Select the record to send based on the CPU mode. */
|
---|
| 2816 | int rc = VINF_SUCCESS;
|
---|
[86165] | 2817 | KDPACKETSTATECHANGE64 StateChange64;
|
---|
| 2818 | RT_ZERO(StateChange64);
|
---|
| 2819 |
|
---|
| 2820 | StateChange64.u32StateNew = KD_PACKET_STATE_CHANGE_EXCEPTION;
|
---|
| 2821 | StateChange64.u16CpuLvl = 0x6; /** @todo Figure this one out. */
|
---|
| 2822 | StateChange64.idCpu = pThis->Dbgc.idCpu;
|
---|
| 2823 | StateChange64.cCpus = (uint16_t)DBGFR3CpuGetCount(pThis->Dbgc.pUVM);
|
---|
| 2824 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RIP, &StateChange64.u64RipThread);
|
---|
| 2825 | if (RT_SUCCESS(rc))
|
---|
[86105] | 2826 | {
|
---|
[86165] | 2827 | DBGFADDRESS AddrRip;
|
---|
| 2828 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRip, StateChange64.u64RipThread);
|
---|
| 2829 |
|
---|
| 2830 | StateChange64.u64RipThread = KD_PTR_CREATE(pThis, StateChange64.u64RipThread);
|
---|
| 2831 |
|
---|
| 2832 | /** @todo Properly fill in the exception record. */
|
---|
| 2833 | switch (enmType)
|
---|
[86105] | 2834 | {
|
---|
[86165] | 2835 | case DBGFEVENT_HALT_DONE:
|
---|
| 2836 | case DBGFEVENT_BREAKPOINT:
|
---|
| 2837 | case DBGFEVENT_BREAKPOINT_IO:
|
---|
| 2838 | case DBGFEVENT_BREAKPOINT_MMIO:
|
---|
| 2839 | case DBGFEVENT_BREAKPOINT_HYPER:
|
---|
| 2840 | StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_BKPT;
|
---|
| 2841 | break;
|
---|
| 2842 | case DBGFEVENT_STEPPED:
|
---|
| 2843 | case DBGFEVENT_STEPPED_HYPER:
|
---|
[86234] | 2844 | pThis->fSingleStepped = true; /* For emulation of DR6. */
|
---|
[86165] | 2845 | StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_SINGLE_STEP;
|
---|
| 2846 | break;
|
---|
| 2847 | default:
|
---|
| 2848 | AssertMsgFailed(("Invalid DBGF event type for state change %d!\n", enmType));
|
---|
[86105] | 2849 | }
|
---|
| 2850 |
|
---|
[86165] | 2851 | StateChange64.u.Exception.ExcpRec.cExcpParms = 3;
|
---|
| 2852 | StateChange64.u.Exception.u32FirstChance = 0x1;
|
---|
[86105] | 2853 |
|
---|
[86165] | 2854 | /** @todo Properly fill in the control report. */
|
---|
| 2855 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR6, &StateChange64.uCtrlReport.Amd64.u64RegDr6);
|
---|
| 2856 | if (RT_SUCCESS(rc))
|
---|
| 2857 | rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR7, &StateChange64.uCtrlReport.Amd64.u64RegDr7);
|
---|
| 2858 | if (RT_SUCCESS(rc))
|
---|
| 2859 | rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RFLAGS, &StateChange64.uCtrlReport.Amd64.u32RegEflags);
|
---|
| 2860 | if (RT_SUCCESS(rc))
|
---|
| 2861 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_CS, &StateChange64.uCtrlReport.Amd64.u16SegCs);
|
---|
| 2862 | if (RT_SUCCESS(rc))
|
---|
| 2863 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DS, &StateChange64.uCtrlReport.Amd64.u16SegDs);
|
---|
| 2864 | if (RT_SUCCESS(rc))
|
---|
| 2865 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_ES, &StateChange64.uCtrlReport.Amd64.u16SegEs);
|
---|
| 2866 | if (RT_SUCCESS(rc))
|
---|
| 2867 | rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_FS, &StateChange64.uCtrlReport.Amd64.u16SegFs);
|
---|
| 2868 | if (RT_SUCCESS(rc))
|
---|
| 2869 | {
|
---|
[104612] | 2870 | /* Read instruction bytes. */
|
---|
| 2871 | StateChange64.uCtrlReport.Amd64.cbInsnStream = sizeof(StateChange64.uCtrlReport.Amd64.abInsn);
|
---|
| 2872 | rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRip,
|
---|
| 2873 | &StateChange64.uCtrlReport.Amd64.abInsn[0], StateChange64.uCtrlReport.Amd64.cbInsnStream);
|
---|
| 2874 | if (RT_SUCCESS(rc))
|
---|
| 2875 | {
|
---|
| 2876 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
| 2877 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64,
|
---|
| 2878 | &StateChange64, sizeof(StateChange64), false /*fAck*/);
|
---|
| 2879 | }
|
---|
[86105] | 2880 | }
|
---|
| 2881 | }
|
---|
| 2882 |
|
---|
| 2883 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
| 2884 | return rc;
|
---|
| 2885 | }
|
---|
| 2886 |
|
---|
| 2887 |
|
---|
| 2888 | /**
|
---|
| 2889 | * Processes a get version 64 request.
|
---|
| 2890 | *
|
---|
| 2891 | * @returns VBox status code.
|
---|
| 2892 | * @param pThis The KD context.
|
---|
| 2893 | * @param pPktManip The manipulate packet request.
|
---|
| 2894 | */
|
---|
| 2895 | static int dbgcKdCtxPktManipulate64GetVersion(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 2896 | {
|
---|
| 2897 | KDPACKETMANIPULATE64 Resp;
|
---|
| 2898 | RT_ZERO(Resp);
|
---|
| 2899 |
|
---|
| 2900 | /* Fill in the generic part. */
|
---|
| 2901 | Resp.Hdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_VERSION;
|
---|
| 2902 | Resp.Hdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 2903 | Resp.Hdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 2904 | Resp.Hdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 2905 |
|
---|
| 2906 | /* Build our own response in case there is no Windows interface available. */
|
---|
[86160] | 2907 | uint32_t NtBuildNumber = 0x0f2800; /* Used when there is no NT interface available, which probably breaks symbol loading. */
|
---|
| 2908 | bool f32Bit = false;
|
---|
[86105] | 2909 | if (pThis->pIfWinNt)
|
---|
| 2910 | {
|
---|
[93470] | 2911 | int rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
|
---|
[86160] | 2912 | NULL /*puVersMajor*/, NULL /*puVersMinor*/,
|
---|
| 2913 | &NtBuildNumber, &f32Bit);
|
---|
[86105] | 2914 | if (RT_SUCCESS(rc))
|
---|
[93470] | 2915 | rc = pThis->pIfWinNt->pfnQueryKernelPtrs(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
|
---|
| 2916 | &Resp.u.GetVersion.u64PtrKernBase,
|
---|
[86160] | 2917 | &Resp.u.GetVersion.u64PtrPsLoadedModuleList);
|
---|
[104612] | 2918 | if (RT_FAILURE(rc))
|
---|
| 2919 | LogRel(("DBGC/Kd: Failed to query WIndows version or kernel pointers rc=%Rrc\n", rc));
|
---|
[86105] | 2920 | }
|
---|
| 2921 |
|
---|
[86160] | 2922 | /* Fill in the request specific part. */
|
---|
| 2923 | Resp.u.GetVersion.u16VersMaj = NtBuildNumber >> 16;
|
---|
| 2924 | Resp.u.GetVersion.u16VersMin = NtBuildNumber & UINT32_C(0xffff);
|
---|
| 2925 | Resp.u.GetVersion.u8VersProtocol = 0x6; /* From a Windows 10 guest. */
|
---|
[86165] | 2926 | Resp.u.GetVersion.u8VersKdSecondary = pThis->f32Bit ? 0 : 0x2; /* amd64 has a versioned context (0 and 1 are obsolete). */
|
---|
[86160] | 2927 | Resp.u.GetVersion.fFlags = KD_PACKET_MANIPULATE64_GET_VERSION_F_MP;
|
---|
| 2928 | Resp.u.GetVersion.u8MaxPktType = KD_PACKET_HDR_SUB_TYPE_MAX;
|
---|
| 2929 | Resp.u.GetVersion.u8MaxStateChange = KD_PACKET_STATE_CHANGE_MAX - KD_PACKET_STATE_CHANGE_MIN;
|
---|
| 2930 | Resp.u.GetVersion.u8MaxManipulate = KD_PACKET_MANIPULATE_REQ_MAX - KD_PACKET_MANIPULATE_REQ_MIN;
|
---|
| 2931 | Resp.u.GetVersion.u64PtrDebuggerDataList = 0;
|
---|
| 2932 |
|
---|
| 2933 | if (f32Bit)
|
---|
[86165] | 2934 | {
|
---|
| 2935 | Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_I386;
|
---|
| 2936 | Resp.u.GetVersion.u64PtrKernBase = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrKernBase);
|
---|
| 2937 | Resp.u.GetVersion.u64PtrPsLoadedModuleList = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrPsLoadedModuleList);
|
---|
| 2938 | }
|
---|
[86105] | 2939 | else
|
---|
| 2940 | {
|
---|
[86160] | 2941 | Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_AMD64;
|
---|
| 2942 | Resp.u.GetVersion.fFlags |= KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64;
|
---|
[86105] | 2943 | }
|
---|
| 2944 |
|
---|
[86160] | 2945 | return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 2946 | &Resp, sizeof(Resp), true /*fAck*/);
|
---|
[86105] | 2947 | }
|
---|
| 2948 |
|
---|
| 2949 |
|
---|
| 2950 | /**
|
---|
[86148] | 2951 | * Processes a read memory 64 request.
|
---|
[86105] | 2952 | *
|
---|
| 2953 | * @returns VBox status code.
|
---|
| 2954 | * @param pThis The KD context.
|
---|
| 2955 | * @param pPktManip The manipulate packet request.
|
---|
| 2956 | */
|
---|
| 2957 | static int dbgcKdCtxPktManipulate64ReadMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 2958 | {
|
---|
| 2959 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 2960 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
| 2961 | uint8_t abMem[_4K];
|
---|
| 2962 | RT_ZERO(RespHdr); RT_ZERO(XferMem64);
|
---|
| 2963 |
|
---|
| 2964 | DBGFADDRESS AddrRead;
|
---|
| 2965 | uint32_t cbRead = RT_MIN(sizeof(abMem), pPktManip->u.XferMem.cbXferReq);
|
---|
| 2966 | if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM)
|
---|
[86165] | 2967 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
[86105] | 2968 | else
|
---|
[86165] | 2969 | DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
[86105] | 2970 |
|
---|
| 2971 | RTSGSEG aRespSegs[3];
|
---|
| 2972 | uint32_t cSegs = 2; /* Gets incremented when read is successful. */
|
---|
| 2973 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
| 2974 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 2975 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 2976 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 2977 |
|
---|
| 2978 | XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
|
---|
| 2979 | XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
|
---|
| 2980 | XferMem64.cbXfered = (uint32_t)cbRead;
|
---|
| 2981 |
|
---|
| 2982 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 2983 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 2984 | aRespSegs[1].pvSeg = &XferMem64;
|
---|
| 2985 | aRespSegs[1].cbSeg = sizeof(XferMem64);
|
---|
| 2986 |
|
---|
| 2987 | int rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRead, &abMem[0], cbRead);
|
---|
| 2988 | if (RT_SUCCESS(rc))
|
---|
| 2989 | {
|
---|
| 2990 | cSegs++;
|
---|
| 2991 | aRespSegs[2].pvSeg = &abMem[0];
|
---|
| 2992 | aRespSegs[2].cbSeg = cbRead;
|
---|
| 2993 | }
|
---|
| 2994 | else
|
---|
| 2995 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
| 2996 |
|
---|
| 2997 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 2998 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
| 2999 | }
|
---|
| 3000 |
|
---|
| 3001 |
|
---|
| 3002 | /**
|
---|
[86148] | 3003 | * Processes a write memory 64 request.
|
---|
| 3004 | *
|
---|
| 3005 | * @returns VBox status code.
|
---|
| 3006 | * @param pThis The KD context.
|
---|
| 3007 | * @param pPktManip The manipulate packet request.
|
---|
| 3008 | */
|
---|
| 3009 | static int dbgcKdCtxPktManipulate64WriteMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3010 | {
|
---|
| 3011 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3012 | KDPACKETMANIPULATE_XFERMEM64 XferMem64;
|
---|
| 3013 | RT_ZERO(RespHdr); RT_ZERO(XferMem64);
|
---|
| 3014 |
|
---|
| 3015 | DBGFADDRESS AddrWrite;
|
---|
| 3016 | const void *pv = &pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
| 3017 | uint32_t cbWrite = RT_MIN(sizeof(pThis->abBody) - sizeof(*pPktManip), pPktManip->u.XferMem.cbXferReq);
|
---|
| 3018 | if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM)
|
---|
[86165] | 3019 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
[86148] | 3020 | else
|
---|
[86165] | 3021 | DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
|
---|
[86148] | 3022 |
|
---|
| 3023 | RTSGSEG aRespSegs[2];
|
---|
| 3024 | uint32_t cSegs = 2;
|
---|
| 3025 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
| 3026 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3027 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3028 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3029 |
|
---|
| 3030 | XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
|
---|
| 3031 | XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
|
---|
| 3032 | XferMem64.cbXfered = (uint32_t)cbWrite;
|
---|
| 3033 |
|
---|
| 3034 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3035 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3036 | aRespSegs[1].pvSeg = &XferMem64;
|
---|
| 3037 | aRespSegs[1].cbSeg = sizeof(XferMem64);
|
---|
| 3038 |
|
---|
| 3039 | int rc = DBGFR3MemWrite(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrWrite, pv, cbWrite);
|
---|
| 3040 | if (RT_FAILURE(rc))
|
---|
| 3041 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
| 3042 |
|
---|
| 3043 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3044 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
| 3045 | }
|
---|
| 3046 |
|
---|
| 3047 |
|
---|
| 3048 | /**
|
---|
[86143] | 3049 | * Processes a continue request.
|
---|
| 3050 | *
|
---|
| 3051 | * @returns VBox status code.
|
---|
| 3052 | * @param pThis The KD context.
|
---|
| 3053 | * @param pPktManip The manipulate packet request.
|
---|
| 3054 | */
|
---|
| 3055 | static int dbgcKdCtxPktManipulate64Continue(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3056 | {
|
---|
| 3057 | RT_NOREF(pPktManip);
|
---|
| 3058 | int rc = VINF_SUCCESS;
|
---|
| 3059 |
|
---|
| 3060 | /* No response, just resume. */
|
---|
| 3061 | if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
| 3062 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 3063 |
|
---|
| 3064 | return rc;
|
---|
| 3065 | }
|
---|
| 3066 |
|
---|
| 3067 |
|
---|
| 3068 | /**
|
---|
| 3069 | * Processes a continue request.
|
---|
| 3070 | *
|
---|
| 3071 | * @returns VBox status code.
|
---|
| 3072 | * @param pThis The KD context.
|
---|
| 3073 | * @param pPktManip The manipulate packet request.
|
---|
| 3074 | */
|
---|
| 3075 | static int dbgcKdCtxPktManipulate64Continue2(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3076 | {
|
---|
| 3077 | int rc = VINF_SUCCESS;
|
---|
| 3078 |
|
---|
[86234] | 3079 | /* Update DR7. */
|
---|
| 3080 | if (pThis->f32Bit)
|
---|
| 3081 | rc = dbgcKdCtxHwBpDr7Update(pThis, pPktManip->u.Continue2.u.x86.u32RegDr7);
|
---|
| 3082 | else
|
---|
| 3083 | rc = dbgcKdCtxHwBpDr7Update(pThis, (uint32_t)pPktManip->u.Continue2.u.amd64.u64RegDr7);
|
---|
| 3084 |
|
---|
[86143] | 3085 | /* Resume if not single stepping, the single step will get a state change when the VM stepped. */
|
---|
| 3086 | if (pPktManip->u.Continue2.fTrace)
|
---|
| 3087 | {
|
---|
| 3088 | PDBGFADDRESS pStackPop = NULL;
|
---|
| 3089 | RTGCPTR cbStackPop = 0;
|
---|
| 3090 | rc = DBGFR3StepEx(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGF_STEP_F_INTO, NULL,
|
---|
| 3091 | pStackPop, cbStackPop, 1 /*cMaxSteps*/);
|
---|
| 3092 | }
|
---|
| 3093 | else if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
| 3094 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 3095 |
|
---|
| 3096 | return rc;
|
---|
| 3097 | }
|
---|
| 3098 |
|
---|
| 3099 |
|
---|
| 3100 | /**
|
---|
[86148] | 3101 | * Processes a set context request.
|
---|
| 3102 | *
|
---|
| 3103 | * @returns VBox status code.
|
---|
| 3104 | * @param pThis The KD context.
|
---|
| 3105 | * @param pPktManip The manipulate packet request.
|
---|
| 3106 | */
|
---|
| 3107 | static int dbgcKdCtxPktManipulate64SetContext(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3108 | {
|
---|
| 3109 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3110 | KDPACKETMANIPULATE_SETCONTEXT SetContext;
|
---|
| 3111 | RT_ZERO(RespHdr); RT_ZERO(SetContext);
|
---|
| 3112 |
|
---|
| 3113 | PCNTCONTEXT64 pNtCtx = (PCNTCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
| 3114 |
|
---|
| 3115 | RTSGSEG aRespSegs[2];
|
---|
| 3116 | uint32_t cSegs = 2;
|
---|
| 3117 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
| 3118 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3119 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3120 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3121 |
|
---|
[86155] | 3122 | /** @todo What do these flags mean? Can't be the context state to set because the valid one is
|
---|
| 3123 | * in NTCONTEXT64::fContext (observed with WinDbg). */
|
---|
[86148] | 3124 | SetContext.u32CtxFlags = pPktManip->u.SetContext.u32CtxFlags;
|
---|
| 3125 |
|
---|
| 3126 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3127 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3128 | aRespSegs[1].pvSeg = &SetContext;
|
---|
| 3129 | aRespSegs[1].cbSeg = sizeof(SetContext);
|
---|
| 3130 |
|
---|
[86155] | 3131 | int rc = dbgcKdCtxSetNtCtx64(pThis, pPktManip->Hdr.idCpu, pNtCtx, pNtCtx->fContext);
|
---|
[86148] | 3132 | if (RT_FAILURE(rc))
|
---|
| 3133 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
| 3134 |
|
---|
| 3135 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3136 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
| 3137 | }
|
---|
| 3138 |
|
---|
| 3139 |
|
---|
| 3140 | /**
|
---|
[86105] | 3141 | * Processes a read control space 64 request.
|
---|
| 3142 | *
|
---|
| 3143 | * @returns VBox status code.
|
---|
| 3144 | * @param pThis The KD context.
|
---|
| 3145 | * @param pPktManip The manipulate packet request.
|
---|
| 3146 | */
|
---|
| 3147 | static int dbgcKdCtxPktManipulate64ReadCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3148 | {
|
---|
| 3149 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3150 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
| 3151 | uint8_t abResp[sizeof(NTKCONTEXT64)];
|
---|
[86108] | 3152 | uint32_t cbData = 0;
|
---|
[86105] | 3153 | RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
|
---|
| 3154 | RT_ZERO(abResp);
|
---|
| 3155 |
|
---|
| 3156 | RTSGSEG aRespSegs[3];
|
---|
| 3157 | uint32_t cSegs = 2; /* Gets incremented when read is successful. */
|
---|
| 3158 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE;
|
---|
| 3159 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3160 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3161 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3162 |
|
---|
| 3163 | XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
|
---|
| 3164 | XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
|
---|
| 3165 |
|
---|
| 3166 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3167 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3168 | aRespSegs[1].pvSeg = &XferCtrlSpace64;
|
---|
| 3169 | aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
|
---|
| 3170 |
|
---|
| 3171 | int rc = VINF_SUCCESS;
|
---|
[86165] | 3172 | if (pThis->f32Bit)
|
---|
[86105] | 3173 | {
|
---|
[86165] | 3174 | if (pPktManip->u.XferCtrlSpace.u64IdXfer == sizeof(NTCONTEXT32))
|
---|
[86105] | 3175 | {
|
---|
[86165] | 3176 | /* Queries the kernel context. */
|
---|
| 3177 | rc = dbgcKdCtxQueryNtKCtx32(pThis, RespHdr.idCpu, (PNTKCONTEXT32)&abResp[0]);
|
---|
| 3178 | if (RT_SUCCESS(rc))
|
---|
| 3179 | cbData = sizeof(NTKCONTEXT32);
|
---|
| 3180 | }
|
---|
| 3181 | }
|
---|
| 3182 | else
|
---|
| 3183 | {
|
---|
| 3184 | switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
|
---|
| 3185 | {
|
---|
| 3186 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
|
---|
[86105] | 3187 | {
|
---|
[86165] | 3188 | if (pThis->pIfWinNt)
|
---|
| 3189 | {
|
---|
| 3190 | RTGCUINTPTR GCPtrKpcr = 0;
|
---|
[86105] | 3191 |
|
---|
[93470] | 3192 | rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(), RespHdr.idCpu,
|
---|
[86165] | 3193 | &GCPtrKpcr, NULL /*pKpcrb*/);
|
---|
| 3194 | if (RT_SUCCESS(rc))
|
---|
| 3195 | memcpy(&abResp[0], &GCPtrKpcr, sizeof(GCPtrKpcr));
|
---|
| 3196 | }
|
---|
| 3197 |
|
---|
| 3198 | cbData = sizeof(RTGCUINTPTR);
|
---|
| 3199 | break;
|
---|
[86105] | 3200 | }
|
---|
[86165] | 3201 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
|
---|
| 3202 | {
|
---|
| 3203 | if (pThis->pIfWinNt)
|
---|
| 3204 | {
|
---|
| 3205 | RTGCUINTPTR GCPtrKpcrb = 0;
|
---|
[86105] | 3206 |
|
---|
[93470] | 3207 | rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(), RespHdr.idCpu,
|
---|
[86165] | 3208 | NULL /*pKpcr*/, &GCPtrKpcrb);
|
---|
| 3209 | if (RT_SUCCESS(rc))
|
---|
| 3210 | memcpy(&abResp[0], &GCPtrKpcrb, sizeof(GCPtrKpcrb));
|
---|
| 3211 | }
|
---|
| 3212 |
|
---|
| 3213 | cbData = sizeof(RTGCUINTPTR);
|
---|
| 3214 | break;
|
---|
| 3215 | }
|
---|
| 3216 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
|
---|
[86105] | 3217 | {
|
---|
[86165] | 3218 | rc = dbgcKdCtxQueryNtKCtx64(pThis, RespHdr.idCpu, (PNTKCONTEXT64)&abResp[0], NTCONTEXT64_F_FULL);
|
---|
[86105] | 3219 | if (RT_SUCCESS(rc))
|
---|
[86165] | 3220 | cbData = sizeof(NTKCONTEXT64);
|
---|
| 3221 | break;
|
---|
[86105] | 3222 | }
|
---|
[86165] | 3223 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
|
---|
[86105] | 3224 | {
|
---|
[86165] | 3225 | if (pThis->pIfWinNt)
|
---|
| 3226 | {
|
---|
| 3227 | RTGCUINTPTR GCPtrCurThrd = 0;
|
---|
[86105] | 3228 |
|
---|
[93470] | 3229 | rc = pThis->pIfWinNt->pfnQueryCurThrdForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
|
---|
| 3230 | RespHdr.idCpu, &GCPtrCurThrd);
|
---|
[86165] | 3231 | if (RT_SUCCESS(rc))
|
---|
| 3232 | memcpy(&abResp[0], &GCPtrCurThrd, sizeof(GCPtrCurThrd));
|
---|
| 3233 | }
|
---|
| 3234 |
|
---|
| 3235 | cbData = sizeof(RTGCUINTPTR);
|
---|
| 3236 | break;
|
---|
[86105] | 3237 | }
|
---|
[86165] | 3238 | default:
|
---|
| 3239 | rc = VERR_NOT_SUPPORTED;
|
---|
| 3240 | break;
|
---|
[86105] | 3241 | }
|
---|
| 3242 | }
|
---|
| 3243 |
|
---|
| 3244 | if ( RT_SUCCESS(rc)
|
---|
| 3245 | && cbData)
|
---|
| 3246 | {
|
---|
| 3247 | XferCtrlSpace64.cbXfered = RT_MIN(cbData, XferCtrlSpace64.cbXferReq);
|
---|
| 3248 |
|
---|
| 3249 | cSegs++;
|
---|
| 3250 | aRespSegs[2].pvSeg = &abResp[0];
|
---|
| 3251 | aRespSegs[2].cbSeg = cbData;
|
---|
| 3252 | }
|
---|
| 3253 | else if (RT_FAILURE(rc))
|
---|
| 3254 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
| 3255 |
|
---|
| 3256 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3257 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
| 3258 | }
|
---|
| 3259 |
|
---|
| 3260 |
|
---|
| 3261 | /**
|
---|
[86148] | 3262 | * Processes a write control space 64 request.
|
---|
| 3263 | *
|
---|
| 3264 | * @returns VBox status code.
|
---|
| 3265 | * @param pThis The KD context.
|
---|
| 3266 | * @param pPktManip The manipulate packet request.
|
---|
| 3267 | */
|
---|
| 3268 | static int dbgcKdCtxPktManipulate64WriteCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3269 | {
|
---|
| 3270 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3271 | KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
|
---|
| 3272 | uint32_t cbData = 0;
|
---|
| 3273 | RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
|
---|
| 3274 |
|
---|
| 3275 | RTSGSEG aRespSegs[2];
|
---|
| 3276 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE;
|
---|
| 3277 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3278 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3279 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3280 |
|
---|
| 3281 | XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
|
---|
| 3282 | XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
|
---|
| 3283 |
|
---|
| 3284 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3285 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3286 | aRespSegs[1].pvSeg = &XferCtrlSpace64;
|
---|
| 3287 | aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
|
---|
| 3288 |
|
---|
| 3289 | int rc = VINF_SUCCESS;
|
---|
| 3290 | switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
|
---|
| 3291 | {
|
---|
| 3292 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
|
---|
| 3293 | {
|
---|
| 3294 | PCNTKCONTEXT64 pNtKCtx = (PCNTKCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
|
---|
| 3295 | rc = dbgcKdCtxSetNtKCtx64(pThis, RespHdr.idCpu, pNtKCtx, XferCtrlSpace64.cbXferReq);
|
---|
| 3296 | if (RT_SUCCESS(rc))
|
---|
| 3297 | cbData = RT_MIN(XferCtrlSpace64.cbXferReq, sizeof(NTKCONTEXT64));
|
---|
| 3298 | break;
|
---|
| 3299 | }
|
---|
| 3300 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
|
---|
| 3301 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
|
---|
| 3302 | case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
|
---|
| 3303 | default:
|
---|
| 3304 | rc = VERR_NOT_SUPPORTED;
|
---|
| 3305 | break;
|
---|
| 3306 | }
|
---|
| 3307 |
|
---|
| 3308 | if (RT_FAILURE(rc))
|
---|
| 3309 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
|
---|
| 3310 | else
|
---|
| 3311 | XferCtrlSpace64.cbXfered = cbData;
|
---|
| 3312 |
|
---|
| 3313 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3314 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 3315 | }
|
---|
| 3316 |
|
---|
| 3317 |
|
---|
| 3318 | /**
|
---|
[86105] | 3319 | * Processes a restore breakpoint 64 request.
|
---|
| 3320 | *
|
---|
| 3321 | * @returns VBox status code.
|
---|
| 3322 | * @param pThis The KD context.
|
---|
| 3323 | * @param pPktManip The manipulate packet request.
|
---|
| 3324 | */
|
---|
| 3325 | static int dbgcKdCtxPktManipulate64RestoreBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3326 | {
|
---|
| 3327 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3328 | KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
|
---|
| 3329 | RT_ZERO(RespHdr); RT_ZERO(RestoreBkpt64);
|
---|
| 3330 |
|
---|
| 3331 | RTSGSEG aRespSegs[2];
|
---|
| 3332 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT;
|
---|
| 3333 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3334 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3335 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3336 |
|
---|
| 3337 | RestoreBkpt64.u32HndBkpt = pPktManip->u.RestoreBkpt.u32HndBkpt;
|
---|
| 3338 |
|
---|
| 3339 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3340 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3341 | aRespSegs[1].pvSeg = &RestoreBkpt64;
|
---|
| 3342 | aRespSegs[1].cbSeg = sizeof(RestoreBkpt64);
|
---|
| 3343 |
|
---|
[86144] | 3344 | int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pPktManip->u.RestoreBkpt.u32HndBkpt);
|
---|
[86184] | 3345 | if (RT_SUCCESS(rc))
|
---|
| 3346 | {
|
---|
| 3347 | rc = dbgcBpDelete(&pThis->Dbgc, pPktManip->u.RestoreBkpt.u32HndBkpt);
|
---|
| 3348 | AssertRC(rc);
|
---|
| 3349 | }
|
---|
| 3350 | else if (rc != VERR_DBGF_BP_NOT_FOUND)
|
---|
[86144] | 3351 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
[86105] | 3352 |
|
---|
| 3353 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3354 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 3355 | }
|
---|
| 3356 |
|
---|
| 3357 |
|
---|
| 3358 | /**
|
---|
[86144] | 3359 | * Processes a write breakpoint 64 request.
|
---|
| 3360 | *
|
---|
| 3361 | * @returns VBox status code.
|
---|
| 3362 | * @param pThis The KD context.
|
---|
| 3363 | * @param pPktManip The manipulate packet request.
|
---|
| 3364 | */
|
---|
| 3365 | static int dbgcKdCtxPktManipulate64WriteBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3366 | {
|
---|
| 3367 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3368 | KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
|
---|
| 3369 | RT_ZERO(RespHdr); RT_ZERO(WriteBkpt64);
|
---|
| 3370 |
|
---|
| 3371 | RTSGSEG aRespSegs[2];
|
---|
| 3372 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_BKPT;
|
---|
| 3373 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3374 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3375 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3376 |
|
---|
| 3377 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3378 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3379 | aRespSegs[1].pvSeg = &WriteBkpt64;
|
---|
| 3380 | aRespSegs[1].cbSeg = sizeof(WriteBkpt64);
|
---|
| 3381 |
|
---|
| 3382 | WriteBkpt64.u64PtrBkpt = pPktManip->u.WriteBkpt.u64PtrBkpt;
|
---|
| 3383 |
|
---|
| 3384 | DBGFADDRESS BpAddr;
|
---|
[86167] | 3385 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &BpAddr, KD_PTR_GET(pThis, pPktManip->u.WriteBkpt.u64PtrBkpt));
|
---|
[86144] | 3386 | int rc = DBGFR3BpSetInt3(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &BpAddr,
|
---|
| 3387 | 1 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/, &WriteBkpt64.u32HndBkpt);
|
---|
[86184] | 3388 | if (RT_SUCCESS(rc))
|
---|
| 3389 | {
|
---|
| 3390 | rc = dbgcBpAdd(&pThis->Dbgc, WriteBkpt64.u32HndBkpt, NULL /*pszCmd*/);
|
---|
| 3391 | if (RT_FAILURE(rc))
|
---|
| 3392 | DBGFR3BpClear(pThis->Dbgc.pUVM, WriteBkpt64.u32HndBkpt);
|
---|
| 3393 | }
|
---|
| 3394 | else
|
---|
[86144] | 3395 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
| 3396 |
|
---|
| 3397 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3398 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 3399 | }
|
---|
| 3400 |
|
---|
| 3401 |
|
---|
| 3402 | /**
|
---|
[86105] | 3403 | * Processes a get context extended 64 request.
|
---|
| 3404 | *
|
---|
| 3405 | * @returns VBox status code.
|
---|
| 3406 | * @param pThis The KD context.
|
---|
| 3407 | * @param pPktManip The manipulate packet request.
|
---|
| 3408 | */
|
---|
| 3409 | static int dbgcKdCtxPktManipulate64GetContextEx(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3410 | {
|
---|
| 3411 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3412 | KDPACKETMANIPULATE_CONTEXTEX ContextEx;
|
---|
[86165] | 3413 | union
|
---|
| 3414 | {
|
---|
| 3415 | NTCONTEXT64 v64;
|
---|
| 3416 | NTCONTEXT32 v32;
|
---|
| 3417 | } NtCtx;
|
---|
| 3418 | RT_ZERO(RespHdr); RT_ZERO(ContextEx); RT_ZERO(NtCtx);
|
---|
[86105] | 3419 |
|
---|
| 3420 | RTSGSEG aRespSegs[3];
|
---|
| 3421 | uint32_t cSegs = 2;
|
---|
| 3422 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX;
|
---|
| 3423 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3424 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3425 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
| 3426 |
|
---|
| 3427 | ContextEx.offStart = pPktManip->u.ContextEx.offStart;
|
---|
| 3428 | ContextEx.cbXfer = pPktManip->u.ContextEx.cbXfer;
|
---|
| 3429 | ContextEx.cbXfered = 0;
|
---|
| 3430 |
|
---|
| 3431 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3432 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3433 | aRespSegs[1].pvSeg = &ContextEx;
|
---|
| 3434 | aRespSegs[1].cbSeg = sizeof(ContextEx);
|
---|
| 3435 |
|
---|
[86165] | 3436 | int rc = VINF_SUCCESS;
|
---|
[86166] | 3437 | uint32_t cbCtx = pThis->f32Bit ? sizeof(NtCtx.v32) : sizeof(NtCtx.v64);
|
---|
[86165] | 3438 | if (pThis->f32Bit)
|
---|
| 3439 | dbgcKdCtxQueryNtCtx32(pThis, pPktManip->Hdr.idCpu, &NtCtx.v32, NTCONTEXT32_F_FULL);
|
---|
| 3440 | else
|
---|
| 3441 | dbgcKdCtxQueryNtCtx64(pThis, pPktManip->Hdr.idCpu, &NtCtx.v64, NTCONTEXT64_F_FULL);
|
---|
[86105] | 3442 | if ( RT_SUCCESS(rc)
|
---|
[86165] | 3443 | && pPktManip->u.ContextEx.offStart < cbCtx)
|
---|
[86105] | 3444 | {
|
---|
| 3445 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
[86165] | 3446 | ContextEx.cbXfered = RT_MIN(cbCtx - ContextEx.offStart, ContextEx.cbXfer);
|
---|
[86105] | 3447 |
|
---|
| 3448 | aRespSegs[2].pvSeg = (uint8_t *)&NtCtx + ContextEx.offStart;
|
---|
| 3449 | aRespSegs[2].cbSeg = ContextEx.cbXfered;
|
---|
| 3450 | cSegs++;
|
---|
| 3451 | }
|
---|
| 3452 |
|
---|
| 3453 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3454 | &aRespSegs[0], cSegs, true /*fAck*/);
|
---|
| 3455 | }
|
---|
| 3456 |
|
---|
| 3457 |
|
---|
| 3458 | /**
|
---|
[86181] | 3459 | * Processes a query memory 64 request.
|
---|
| 3460 | *
|
---|
| 3461 | * @returns VBox status code.
|
---|
| 3462 | * @param pThis The KD context.
|
---|
| 3463 | * @param pPktManip The manipulate packet request.
|
---|
| 3464 | */
|
---|
| 3465 | static int dbgcKdCtxPktManipulate64QueryMemory(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3466 | {
|
---|
| 3467 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3468 | KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
|
---|
| 3469 | RT_ZERO(RespHdr); RT_ZERO(QueryMemory);
|
---|
| 3470 |
|
---|
| 3471 | RTSGSEG aRespSegs[2];
|
---|
| 3472 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY;
|
---|
| 3473 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3474 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3475 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3476 |
|
---|
| 3477 | /** @todo Need DBGF API to query protection and privilege level from guest page tables. */
|
---|
| 3478 | QueryMemory.u64GCPtr = pPktManip->u.QueryMemory.u64GCPtr;
|
---|
[86182] | 3479 | QueryMemory.u32AddrSpace = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL;
|
---|
[86181] | 3480 | QueryMemory.u32Flags = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ
|
---|
| 3481 | | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE
|
---|
| 3482 | | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC;
|
---|
| 3483 |
|
---|
| 3484 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3485 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3486 | aRespSegs[1].pvSeg = &QueryMemory;
|
---|
| 3487 | aRespSegs[1].cbSeg = sizeof(QueryMemory);
|
---|
| 3488 |
|
---|
| 3489 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3490 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 3491 | }
|
---|
| 3492 |
|
---|
| 3493 |
|
---|
| 3494 | /**
|
---|
[86244] | 3495 | * Processes a search memory 64 request.
|
---|
| 3496 | *
|
---|
| 3497 | * @returns VBox status code.
|
---|
| 3498 | * @param pThis The KD context.
|
---|
| 3499 | * @param pPktManip The manipulate packet request.
|
---|
| 3500 | */
|
---|
| 3501 | static int dbgcKdCtxPktManipulate64SearchMemory(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3502 | {
|
---|
| 3503 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3504 | KDPACKETMANIPULATE_SEARCHMEMORY SearchMemory;
|
---|
| 3505 | RT_ZERO(RespHdr); RT_ZERO(SearchMemory);
|
---|
| 3506 |
|
---|
| 3507 | RTSGSEG aRespSegs[2];
|
---|
| 3508 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY;
|
---|
| 3509 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3510 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3511 | RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
|
---|
| 3512 |
|
---|
| 3513 | SearchMemory.u64GCPtr = pPktManip->u.SearchMemory.u64GCPtr;
|
---|
| 3514 | SearchMemory.cbSearch = pPktManip->u.SearchMemory.cbSearch;
|
---|
| 3515 | SearchMemory.cbPattern = pPktManip->u.SearchMemory.cbPattern;
|
---|
| 3516 |
|
---|
| 3517 | /* Validate the pattern length and start searching. */
|
---|
| 3518 | if (pPktManip->u.SearchMemory.cbPattern < sizeof(pThis->abBody) - sizeof(*pPktManip))
|
---|
| 3519 | {
|
---|
| 3520 | DBGFADDRESS StartAddress;
|
---|
| 3521 | DBGFADDRESS HitAddress;
|
---|
| 3522 | VMCPUID idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3523 | DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &StartAddress, pPktManip->u.SearchMemory.u64GCPtr);
|
---|
| 3524 |
|
---|
| 3525 | /** @todo WindDbg sends CPU ID 32 sometimes, maybe that means continue search on last used CPU?. */
|
---|
| 3526 | if (idCpu >= DBGFR3CpuGetCount(pThis->Dbgc.pUVM))
|
---|
| 3527 | idCpu = pThis->Dbgc.idCpu;
|
---|
| 3528 |
|
---|
| 3529 | int rc = DBGFR3MemScan(pThis->Dbgc.pUVM, idCpu, &StartAddress, pPktManip->u.SearchMemory.cbSearch, 1,
|
---|
| 3530 | &pThis->abBody[sizeof(*pPktManip)], pPktManip->u.SearchMemory.cbPattern, &HitAddress);
|
---|
| 3531 | if (RT_SUCCESS(rc))
|
---|
| 3532 | SearchMemory.u64GCPtr = HitAddress.FlatPtr;
|
---|
| 3533 | else if (rc == VERR_DBGF_MEM_NOT_FOUND)
|
---|
| 3534 | RespHdr.u32NtStatus = NTSTATUS_NOT_FOUND;
|
---|
| 3535 | else
|
---|
| 3536 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
|
---|
| 3537 | }
|
---|
| 3538 | else
|
---|
| 3539 | RespHdr.u32NtStatus = NTSTATUS_BUFFER_OVERFLOW;
|
---|
| 3540 |
|
---|
| 3541 | aRespSegs[0].pvSeg = &RespHdr;
|
---|
| 3542 | aRespSegs[0].cbSeg = sizeof(RespHdr);
|
---|
| 3543 | aRespSegs[1].pvSeg = &SearchMemory;
|
---|
| 3544 | aRespSegs[1].cbSeg = sizeof(SearchMemory);
|
---|
| 3545 |
|
---|
| 3546 | return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3547 | &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
|
---|
| 3548 | }
|
---|
| 3549 |
|
---|
| 3550 |
|
---|
| 3551 | /**
|
---|
[86184] | 3552 | * Processes a cause bugcheck 64 request.
|
---|
| 3553 | *
|
---|
| 3554 | * @returns VBox status code.
|
---|
| 3555 | * @param pThis The KD context.
|
---|
| 3556 | * @param pPktManip The manipulate packet request.
|
---|
| 3557 | *
|
---|
| 3558 | * @note We abuse this request to initiate a native VBox debugger command prompt from the remote end
|
---|
| 3559 | * (There is monitor/Rcmd equivalent like with GDB unfortunately).
|
---|
| 3560 | */
|
---|
| 3561 | static int dbgcKdCtxPktManipulate64CauseBugCheck(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3562 | {
|
---|
| 3563 | RT_NOREF(pPktManip);
|
---|
| 3564 | pThis->fInVBoxDbg = true;
|
---|
| 3565 | return dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
|
---|
| 3566 | 512 /*cbResponseMax*/);
|
---|
| 3567 | }
|
---|
| 3568 |
|
---|
| 3569 |
|
---|
| 3570 | /**
|
---|
[86246] | 3571 | * Processes a switch processor request.
|
---|
| 3572 | *
|
---|
| 3573 | * @returns VBox status code.
|
---|
| 3574 | * @param pThis The KD context.
|
---|
| 3575 | * @param pPktManip The manipulate packet request.
|
---|
| 3576 | */
|
---|
| 3577 | static int dbgcKdCtxPktManipulate64SwitchProcessor(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
|
---|
| 3578 | {
|
---|
| 3579 | int rc = VINF_SUCCESS;
|
---|
| 3580 |
|
---|
| 3581 | if (RT_UNLIKELY(pPktManip->Hdr.idCpu >= DBGFR3CpuGetCount(pThis->Dbgc.pUVM)))
|
---|
| 3582 | {
|
---|
| 3583 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3584 | RT_ZERO(RespHdr);
|
---|
| 3585 |
|
---|
| 3586 | RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR;
|
---|
| 3587 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3588 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3589 | RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Test this path. */
|
---|
| 3590 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3591 | &RespHdr, sizeof(RespHdr), true /*fAck*/);
|
---|
| 3592 | }
|
---|
| 3593 | else
|
---|
| 3594 | {
|
---|
| 3595 | pThis->Dbgc.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3596 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
| 3597 | }
|
---|
| 3598 |
|
---|
| 3599 | return rc;
|
---|
| 3600 | }
|
---|
| 3601 |
|
---|
| 3602 |
|
---|
| 3603 | /**
|
---|
[86105] | 3604 | * Processes a manipulate packet.
|
---|
| 3605 | *
|
---|
| 3606 | * @returns VBox status code.
|
---|
| 3607 | * @param pThis The KD context.
|
---|
| 3608 | */
|
---|
| 3609 | static int dbgcKdCtxPktManipulate64Process(PKDCTX pThis)
|
---|
| 3610 | {
|
---|
| 3611 | int rc = VINF_SUCCESS;
|
---|
| 3612 | PCKDPACKETMANIPULATE64 pPktManip = (PCKDPACKETMANIPULATE64)&pThis->abBody[0];
|
---|
| 3613 |
|
---|
| 3614 | switch (pPktManip->Hdr.idReq)
|
---|
| 3615 | {
|
---|
| 3616 | case KD_PACKET_MANIPULATE_REQ_GET_VERSION:
|
---|
| 3617 | {
|
---|
| 3618 | rc = dbgcKdCtxPktManipulate64GetVersion(pThis, pPktManip);
|
---|
| 3619 | break;
|
---|
| 3620 | }
|
---|
| 3621 | case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
|
---|
| 3622 | case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
|
---|
| 3623 | {
|
---|
| 3624 | rc = dbgcKdCtxPktManipulate64ReadMem(pThis, pPktManip);
|
---|
| 3625 | break;
|
---|
| 3626 | }
|
---|
[86148] | 3627 | case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
|
---|
| 3628 | case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
|
---|
| 3629 | {
|
---|
| 3630 | rc = dbgcKdCtxPktManipulate64WriteMem(pThis, pPktManip);
|
---|
| 3631 | break;
|
---|
| 3632 | }
|
---|
[86143] | 3633 | case KD_PACKET_MANIPULATE_REQ_CONTINUE:
|
---|
| 3634 | {
|
---|
| 3635 | rc = dbgcKdCtxPktManipulate64Continue(pThis, pPktManip);
|
---|
| 3636 | break;
|
---|
| 3637 | }
|
---|
| 3638 | case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
|
---|
| 3639 | {
|
---|
| 3640 | rc = dbgcKdCtxPktManipulate64Continue2(pThis, pPktManip);
|
---|
| 3641 | break;
|
---|
| 3642 | }
|
---|
[86148] | 3643 | case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT:
|
---|
| 3644 | {
|
---|
| 3645 | rc = dbgcKdCtxPktManipulate64SetContext(pThis, pPktManip);
|
---|
| 3646 | break;
|
---|
| 3647 | }
|
---|
[86105] | 3648 | case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
|
---|
| 3649 | {
|
---|
| 3650 | rc = dbgcKdCtxPktManipulate64ReadCtrlSpace(pThis, pPktManip);
|
---|
| 3651 | break;
|
---|
| 3652 | }
|
---|
[86148] | 3653 | case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
|
---|
| 3654 | {
|
---|
| 3655 | rc = dbgcKdCtxPktManipulate64WriteCtrlSpace(pThis, pPktManip);
|
---|
| 3656 | break;
|
---|
| 3657 | }
|
---|
[86105] | 3658 | case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
|
---|
| 3659 | {
|
---|
| 3660 | rc = dbgcKdCtxPktManipulate64RestoreBkpt(pThis, pPktManip);
|
---|
| 3661 | break;
|
---|
| 3662 | }
|
---|
[86144] | 3663 | case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
|
---|
| 3664 | {
|
---|
| 3665 | rc = dbgcKdCtxPktManipulate64WriteBkpt(pThis, pPktManip);
|
---|
| 3666 | break;
|
---|
| 3667 | }
|
---|
[86105] | 3668 | case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT:
|
---|
| 3669 | /* WinDbg doesn't seem to expect an answer apart from the ACK here. */
|
---|
| 3670 | break;
|
---|
| 3671 | case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
|
---|
| 3672 | {
|
---|
| 3673 | rc = dbgcKdCtxPktManipulate64GetContextEx(pThis, pPktManip);
|
---|
| 3674 | break;
|
---|
| 3675 | }
|
---|
[86181] | 3676 | case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
|
---|
| 3677 | {
|
---|
| 3678 | rc = dbgcKdCtxPktManipulate64QueryMemory(pThis, pPktManip);
|
---|
| 3679 | break;
|
---|
| 3680 | }
|
---|
[86244] | 3681 | case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY:
|
---|
| 3682 | {
|
---|
| 3683 | rc = dbgcKdCtxPktManipulate64SearchMemory(pThis, pPktManip);
|
---|
| 3684 | break;
|
---|
| 3685 | }
|
---|
[86184] | 3686 | case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK:
|
---|
| 3687 | {
|
---|
| 3688 | rc = dbgcKdCtxPktManipulate64CauseBugCheck(pThis, pPktManip);
|
---|
| 3689 | break;
|
---|
| 3690 | }
|
---|
[86246] | 3691 | case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:
|
---|
| 3692 | {
|
---|
| 3693 | rc = dbgcKdCtxPktManipulate64SwitchProcessor(pThis, pPktManip);
|
---|
| 3694 | break;
|
---|
| 3695 | }
|
---|
[86234] | 3696 | case KD_PACKET_MANIPULATE_REQ_REBOOT:
|
---|
| 3697 | {
|
---|
| 3698 | rc = VMR3Reset(pThis->Dbgc.pUVM); /* Doesn't expect an answer here. */
|
---|
[86235] | 3699 | if ( RT_SUCCESS(rc)
|
---|
| 3700 | && DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
|
---|
| 3701 | rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
[86234] | 3702 | break;
|
---|
| 3703 | }
|
---|
[86105] | 3704 | default:
|
---|
| 3705 | KDPACKETMANIPULATEHDR RespHdr;
|
---|
| 3706 | RT_ZERO(RespHdr);
|
---|
| 3707 |
|
---|
| 3708 | RespHdr.idReq = pPktManip->Hdr.idReq;
|
---|
| 3709 | RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
|
---|
| 3710 | RespHdr.idCpu = pPktManip->Hdr.idCpu;
|
---|
| 3711 | RespHdr.u32NtStatus = NTSTATUS_NOT_IMPLEMENTED;
|
---|
| 3712 | rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
|
---|
| 3713 | &RespHdr, sizeof(RespHdr), true /*fAck*/);
|
---|
| 3714 | break;
|
---|
| 3715 | }
|
---|
| 3716 |
|
---|
| 3717 | return rc;
|
---|
| 3718 | }
|
---|
| 3719 |
|
---|
| 3720 |
|
---|
| 3721 | /**
|
---|
[86234] | 3722 | * Tries to detect the guest OS running in the VM looking specifically for the Windows NT kind.
|
---|
| 3723 | *
|
---|
| 3724 | * @param pThis The KD context.
|
---|
| 3725 | */
|
---|
| 3726 | static void dbgcKdCtxDetectGstOs(PKDCTX pThis)
|
---|
| 3727 | {
|
---|
| 3728 | pThis->pIfWinNt = NULL;
|
---|
| 3729 |
|
---|
| 3730 | /* Try detecting a Windows NT guest. */
|
---|
| 3731 | char szName[64];
|
---|
| 3732 | int rc = DBGFR3OSDetect(pThis->Dbgc.pUVM, szName, sizeof(szName));
|
---|
| 3733 | if (RT_SUCCESS(rc))
|
---|
| 3734 | {
|
---|
| 3735 | pThis->pIfWinNt = (PDBGFOSIWINNT)DBGFR3OSQueryInterface(pThis->Dbgc.pUVM, DBGFOSINTERFACE_WINNT);
|
---|
| 3736 | if (pThis->pIfWinNt)
|
---|
| 3737 | LogRel(("DBGC/Kd: Detected Windows NT guest OS (%s)\n", &szName[0]));
|
---|
| 3738 | else
|
---|
| 3739 | LogRel(("DBGC/Kd: Detected guest OS is not of the Windows NT kind (%s)\n", &szName[0]));
|
---|
| 3740 | }
|
---|
| 3741 | else
|
---|
| 3742 | {
|
---|
| 3743 | LogRel(("DBGC/Kd: Unable to detect any guest operating system type, rc=%Rrc\n", rc));
|
---|
| 3744 | rc = VINF_SUCCESS; /* Try to continue nevertheless. */
|
---|
| 3745 | }
|
---|
| 3746 |
|
---|
| 3747 | if (pThis->pIfWinNt)
|
---|
| 3748 | {
|
---|
[93470] | 3749 | rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
|
---|
[86234] | 3750 | NULL /*puVersMajor*/, NULL /*puVersMinor*/,
|
---|
| 3751 | NULL /*puBuildNumber*/, &pThis->f32Bit);
|
---|
| 3752 | AssertRC(rc);
|
---|
| 3753 | }
|
---|
| 3754 | else
|
---|
| 3755 | {
|
---|
| 3756 | /*
|
---|
| 3757 | * Try to detect bitness based on the current CPU mode which might fool us (32bit process running
|
---|
| 3758 | * inside of 64bit host).
|
---|
| 3759 | */
|
---|
| 3760 | CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(&pThis->Dbgc.CmdHlp);
|
---|
| 3761 | if (enmMode == CPUMMODE_PROTECTED)
|
---|
| 3762 | pThis->f32Bit = true;
|
---|
| 3763 | else if (enmMode == CPUMMODE_LONG)
|
---|
| 3764 | pThis->f32Bit = false;
|
---|
| 3765 | else
|
---|
| 3766 | LogRel(("DBGC/Kd: Heh, trying to debug real mode code with WinDbg are we? Good luck with that...\n"));
|
---|
| 3767 | }
|
---|
| 3768 | }
|
---|
| 3769 |
|
---|
| 3770 |
|
---|
| 3771 | /**
|
---|
[86105] | 3772 | * Processes a fully received packet.
|
---|
| 3773 | *
|
---|
| 3774 | * @returns VBox status code.
|
---|
| 3775 | * @param pThis The KD context.
|
---|
| 3776 | */
|
---|
| 3777 | static int dbgcKdCtxPktProcess(PKDCTX pThis)
|
---|
| 3778 | {
|
---|
| 3779 | int rc = VINF_SUCCESS;
|
---|
| 3780 |
|
---|
| 3781 | pThis->fBreakinRecv = false;
|
---|
| 3782 |
|
---|
| 3783 | /* Verify checksum. */
|
---|
| 3784 | if (dbgcKdPktChkSumGen(&pThis->abBody[0], pThis->PktHdr.Fields.cbBody) == pThis->PktHdr.Fields.u32ChkSum)
|
---|
| 3785 | {
|
---|
| 3786 | /** @todo Check packet id. */
|
---|
| 3787 | if (pThis->PktHdr.Fields.u16SubType != KD_PACKET_HDR_SUB_TYPE_RESET)
|
---|
| 3788 | {
|
---|
| 3789 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
|
---|
| 3790 | rc = dbgcKdCtxPktSendAck(pThis);
|
---|
| 3791 | }
|
---|
| 3792 | if (RT_SUCCESS(rc))
|
---|
| 3793 | {
|
---|
| 3794 | #ifdef LOG_ENABLED
|
---|
| 3795 | RTSGSEG Seg;
|
---|
| 3796 | Seg.pvSeg = &pThis->abBody[0];
|
---|
| 3797 | Seg.cbSeg = pThis->PktHdr.Fields.cbBody;
|
---|
| 3798 | dbgcKdPktDump(&pThis->PktHdr.Fields, &Seg, 1 /*cSegs*/, true /*fRx*/);
|
---|
| 3799 | #endif
|
---|
| 3800 |
|
---|
| 3801 | switch (pThis->PktHdr.Fields.u16SubType)
|
---|
| 3802 | {
|
---|
| 3803 | case KD_PACKET_HDR_SUB_TYPE_RESET:
|
---|
| 3804 | {
|
---|
[86234] | 3805 | dbgcKdCtxDetectGstOs(pThis);
|
---|
| 3806 |
|
---|
[86105] | 3807 | pThis->idPktNext = 0;
|
---|
| 3808 | rc = dbgcKdCtxPktSendReset(pThis);
|
---|
| 3809 | if (RT_SUCCESS(rc))
|
---|
| 3810 | {
|
---|
| 3811 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 3812 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
| 3813 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
| 3814 | }
|
---|
| 3815 | pThis->idPktNext = KD_PACKET_HDR_ID_RESET;
|
---|
| 3816 | break;
|
---|
| 3817 | }
|
---|
| 3818 | case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
|
---|
| 3819 | {
|
---|
[86165] | 3820 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
|
---|
| 3821 | rc = dbgcKdCtxPktManipulate64Process(pThis);
|
---|
[86105] | 3822 | break;
|
---|
| 3823 | }
|
---|
| 3824 | case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE:
|
---|
| 3825 | case KD_PACKET_HDR_SUB_TYPE_RESEND:
|
---|
| 3826 | {
|
---|
| 3827 | /* Don't do anything. */
|
---|
| 3828 | rc = VINF_SUCCESS;
|
---|
| 3829 | break;
|
---|
| 3830 | }
|
---|
[86184] | 3831 | case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO:
|
---|
| 3832 | {
|
---|
| 3833 | if (pThis->fInVBoxDbg)
|
---|
| 3834 | {
|
---|
| 3835 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
|
---|
| 3836 | /* Get the string and execute it. */
|
---|
| 3837 | PCKDPACKETDEBUGIO pPktDbgIo = (PCKDPACKETDEBUGIO)&pThis->abBody[0];
|
---|
| 3838 | if ( pPktDbgIo->u32Type == KD_PACKET_DEBUG_IO_GET_STRING
|
---|
| 3839 | && pPktDbgIo->u.Prompt.cbReturn <= sizeof(pThis->abBody) - sizeof(*pPktDbgIo) - 1)
|
---|
| 3840 | {
|
---|
| 3841 | if (pPktDbgIo->u.Prompt.cbReturn)
|
---|
| 3842 | {
|
---|
| 3843 | /* Terminate return value. */
|
---|
| 3844 | pThis->abBody[sizeof(*pPktDbgIo) + pPktDbgIo->u.Prompt.cbReturn] = '\0';
|
---|
| 3845 |
|
---|
| 3846 | const char *pszCmd = (const char *)&pThis->abBody[sizeof(*pPktDbgIo)];
|
---|
| 3847 | /* Filter out 'exit' which is handled here directly and exits the debug loop. */
|
---|
| 3848 | if (!strcmp(pszCmd, "exit"))
|
---|
| 3849 | pThis->fInVBoxDbg = false;
|
---|
| 3850 | else
|
---|
| 3851 | {
|
---|
| 3852 | rc = pThis->Dbgc.CmdHlp.pfnExec(&pThis->Dbgc.CmdHlp, pszCmd);
|
---|
| 3853 | if (RT_SUCCESS(rc))
|
---|
| 3854 | rc = dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
|
---|
| 3855 | 512 /*cbResponseMax*/);
|
---|
| 3856 | else
|
---|
| 3857 | LogRel(("DBGC/Kd: Executing command \"%s\" failed with rc=%Rrc\n", pszCmd, rc));
|
---|
| 3858 | }
|
---|
| 3859 | }
|
---|
| 3860 | else
|
---|
| 3861 | rc = dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
|
---|
| 3862 | 512 /*cbResponseMax*/);
|
---|
| 3863 | }
|
---|
| 3864 | else
|
---|
| 3865 | LogRel(("DBGC/Kd: Received invalid DEBUG_IO packet from remote end, ignoring\n"));
|
---|
| 3866 | }
|
---|
| 3867 | else
|
---|
| 3868 | LogRel(("DBGC/Kd: Received out of band DEBUG_IO packet from remote end, ignoring\n"));
|
---|
| 3869 | break;
|
---|
| 3870 | }
|
---|
[86105] | 3871 | default:
|
---|
| 3872 | rc = VERR_NOT_IMPLEMENTED;
|
---|
| 3873 | }
|
---|
| 3874 | }
|
---|
| 3875 | }
|
---|
| 3876 | else
|
---|
| 3877 | {
|
---|
| 3878 | pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
|
---|
| 3879 | rc = dbgcKdCtxPktSendResend(pThis);
|
---|
| 3880 | }
|
---|
| 3881 |
|
---|
| 3882 | if (pThis->fBreakinRecv)
|
---|
| 3883 | {
|
---|
| 3884 | pThis->fBreakinRecv = false;
|
---|
| 3885 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 3886 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
| 3887 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
| 3888 | }
|
---|
| 3889 |
|
---|
| 3890 | /* Next packet. */
|
---|
| 3891 | dbgcKdCtxPktRecvReset(pThis);
|
---|
| 3892 | return rc;
|
---|
| 3893 | }
|
---|
| 3894 |
|
---|
| 3895 |
|
---|
| 3896 | /**
|
---|
| 3897 | * Processes the received data based on the current state.
|
---|
| 3898 | *
|
---|
| 3899 | * @returns VBox status code.
|
---|
| 3900 | * @param pThis The KD context.
|
---|
| 3901 | */
|
---|
| 3902 | static int dbgcKdCtxRecvDataProcess(PKDCTX pThis)
|
---|
| 3903 | {
|
---|
| 3904 | int rc = VINF_SUCCESS;
|
---|
| 3905 |
|
---|
| 3906 | switch (pThis->enmState)
|
---|
| 3907 | {
|
---|
| 3908 | case KDRECVSTATE_PACKET_HDR_FIRST_BYTE:
|
---|
| 3909 | {
|
---|
| 3910 | /* Does it look like a valid packet start?. */
|
---|
| 3911 | if ( pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_DATA_BYTE
|
---|
| 3912 | || pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE)
|
---|
| 3913 | {
|
---|
| 3914 | pThis->pbRecv = &pThis->PktHdr.ab[1];
|
---|
| 3915 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
|
---|
| 3916 | pThis->enmState = KDRECVSTATE_PACKET_HDR_SECOND_BYTE;
|
---|
| 3917 | pThis->msRecvTimeout = DBGC_KD_RECV_TIMEOUT_MS;
|
---|
| 3918 | }
|
---|
| 3919 | else if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
| 3920 | {
|
---|
| 3921 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 3922 | if (rc == VWRN_DBGF_ALREADY_HALTED)
|
---|
| 3923 | rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
|
---|
| 3924 | dbgcKdCtxPktRecvReset(pThis);
|
---|
| 3925 | }
|
---|
[96866] | 3926 | else
|
---|
| 3927 | dbgcKdCtxPktRecvReset(pThis); /* Reset and continue. */
|
---|
[86105] | 3928 | break;
|
---|
| 3929 | }
|
---|
| 3930 | case KDRECVSTATE_PACKET_HDR_SECOND_BYTE:
|
---|
| 3931 | {
|
---|
| 3932 | /*
|
---|
| 3933 | * If the first and second byte differ there might be a single breakin
|
---|
| 3934 | * packet byte received and this is actually the start of a new packet.
|
---|
| 3935 | */
|
---|
| 3936 | if (pThis->PktHdr.ab[0] != pThis->PktHdr.ab[1])
|
---|
| 3937 | {
|
---|
| 3938 | if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
| 3939 | {
|
---|
| 3940 | /* Halt the VM and rearrange the packet receiving state machine. */
|
---|
| 3941 | LogFlow(("DbgKd: Halting VM!\n"));
|
---|
| 3942 |
|
---|
| 3943 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 3944 | pThis->PktHdr.ab[0] = pThis->PktHdr.ab[1]; /* Overwrite the first byte with the new start. */
|
---|
| 3945 | pThis->pbRecv = &pThis->PktHdr.ab[1];
|
---|
| 3946 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
|
---|
| 3947 | }
|
---|
| 3948 | else
|
---|
| 3949 | rc = VERR_NET_PROTOCOL_ERROR; /* Refuse talking to the remote end any further. */
|
---|
| 3950 | }
|
---|
| 3951 | else
|
---|
| 3952 | {
|
---|
| 3953 | /* Normal packet receive continues with the rest of the header. */
|
---|
| 3954 | pThis->pbRecv = &pThis->PktHdr.ab[2];
|
---|
| 3955 | pThis->cbRecvLeft = sizeof(pThis->PktHdr.Fields) - 2;
|
---|
| 3956 | pThis->enmState = KDRECVSTATE_PACKET_HDR;
|
---|
| 3957 | }
|
---|
| 3958 | break;
|
---|
| 3959 | }
|
---|
| 3960 | case KDRECVSTATE_PACKET_HDR:
|
---|
| 3961 | {
|
---|
| 3962 | if ( dbgcKdPktHdrValidate(&pThis->PktHdr.Fields)
|
---|
| 3963 | && pThis->PktHdr.Fields.cbBody <= sizeof(pThis->abBody))
|
---|
| 3964 | {
|
---|
| 3965 | /* Start receiving the body. */
|
---|
| 3966 | if (pThis->PktHdr.Fields.cbBody)
|
---|
| 3967 | {
|
---|
| 3968 | pThis->pbRecv = &pThis->abBody[0];
|
---|
| 3969 | pThis->cbRecvLeft = pThis->PktHdr.Fields.cbBody;
|
---|
| 3970 | pThis->enmState = KDRECVSTATE_PACKET_BODY;
|
---|
| 3971 | }
|
---|
| 3972 | else /* No body means no trailer byte it looks like. */
|
---|
| 3973 | rc = dbgcKdCtxPktProcess(pThis);
|
---|
| 3974 | }
|
---|
| 3975 | else
|
---|
| 3976 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
| 3977 | break;
|
---|
| 3978 | }
|
---|
| 3979 | case KDRECVSTATE_PACKET_BODY:
|
---|
| 3980 | {
|
---|
| 3981 | pThis->enmState = KDRECVSTATE_PACKET_TRAILER;
|
---|
| 3982 | pThis->bTrailer = 0;
|
---|
| 3983 | pThis->pbRecv = &pThis->bTrailer;
|
---|
| 3984 | pThis->cbRecvLeft = sizeof(pThis->bTrailer);
|
---|
| 3985 | break;
|
---|
| 3986 | }
|
---|
| 3987 | case KDRECVSTATE_PACKET_TRAILER:
|
---|
| 3988 | {
|
---|
| 3989 | if (pThis->bTrailer == KD_PACKET_TRAILING_BYTE)
|
---|
| 3990 | rc = dbgcKdCtxPktProcess(pThis);
|
---|
| 3991 | else
|
---|
| 3992 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
| 3993 | break;
|
---|
| 3994 | }
|
---|
| 3995 | default:
|
---|
| 3996 | AssertMsgFailed(("Invalid receive state %d\n", pThis->enmState));
|
---|
| 3997 | }
|
---|
| 3998 |
|
---|
| 3999 | return rc;
|
---|
| 4000 | }
|
---|
| 4001 |
|
---|
| 4002 |
|
---|
| 4003 | /**
|
---|
| 4004 | * Receive data and processes complete packets.
|
---|
| 4005 | *
|
---|
| 4006 | * @returns Status code.
|
---|
| 4007 | * @param pThis The KD context.
|
---|
| 4008 | */
|
---|
| 4009 | static int dbgcKdCtxRecv(PKDCTX pThis)
|
---|
| 4010 | {
|
---|
| 4011 | int rc = VINF_SUCCESS;
|
---|
| 4012 |
|
---|
| 4013 | LogFlowFunc(("pThis=%p{.cbRecvLeft=%zu}\n", pThis, pThis->cbRecvLeft));
|
---|
| 4014 |
|
---|
| 4015 | if (pThis->cbRecvLeft)
|
---|
| 4016 | {
|
---|
| 4017 | size_t cbRead = 0;
|
---|
[86327] | 4018 | rc = pThis->Dbgc.pIo->pfnRead(pThis->Dbgc.pIo, pThis->pbRecv, pThis->cbRecvLeft, &cbRead);
|
---|
[86105] | 4019 | if (RT_SUCCESS(rc))
|
---|
| 4020 | {
|
---|
| 4021 | pThis->tsRecvLast = RTTimeMilliTS();
|
---|
| 4022 | pThis->cbRecvLeft -= cbRead;
|
---|
| 4023 | pThis->pbRecv += cbRead;
|
---|
| 4024 | if (!pThis->cbRecvLeft)
|
---|
| 4025 | rc = dbgcKdCtxRecvDataProcess(pThis);
|
---|
| 4026 | }
|
---|
| 4027 | }
|
---|
| 4028 |
|
---|
| 4029 | LogFlowFunc(("returns rc=%Rrc\n", rc));
|
---|
| 4030 | return rc;
|
---|
| 4031 | }
|
---|
| 4032 |
|
---|
| 4033 |
|
---|
| 4034 | /**
|
---|
| 4035 | * Processes debugger events.
|
---|
| 4036 | *
|
---|
| 4037 | * @returns VBox status code.
|
---|
| 4038 | * @param pThis The KD context data.
|
---|
| 4039 | * @param pEvent Pointer to event data.
|
---|
| 4040 | */
|
---|
| 4041 | static int dbgcKdCtxProcessEvent(PKDCTX pThis, PCDBGFEVENT pEvent)
|
---|
| 4042 | {
|
---|
| 4043 | /*
|
---|
| 4044 | * Process the event.
|
---|
| 4045 | */
|
---|
[86180] | 4046 | PDBGC pDbgc = &pThis->Dbgc;
|
---|
[86105] | 4047 | pThis->Dbgc.pszScratch = &pThis->Dbgc.achInput[0];
|
---|
| 4048 | pThis->Dbgc.iArg = 0;
|
---|
| 4049 | int rc = VINF_SUCCESS;
|
---|
[86180] | 4050 | VMCPUID idCpuOld = pDbgc->idCpu;
|
---|
| 4051 | pDbgc->idCpu = pEvent->idCpu;
|
---|
[86105] | 4052 | switch (pEvent->enmType)
|
---|
| 4053 | {
|
---|
| 4054 | /*
|
---|
| 4055 | * The first part is events we have initiated with commands.
|
---|
| 4056 | */
|
---|
| 4057 | case DBGFEVENT_HALT_DONE:
|
---|
| 4058 | {
|
---|
| 4059 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
| 4060 | break;
|
---|
| 4061 | }
|
---|
| 4062 |
|
---|
| 4063 | /*
|
---|
| 4064 | * The second part is events which can occur at any time.
|
---|
| 4065 | */
|
---|
| 4066 | case DBGFEVENT_FATAL_ERROR:
|
---|
| 4067 | {
|
---|
| 4068 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbf event: Fatal error! (%s)\n",
|
---|
| 4069 | dbgcGetEventCtx(pEvent->enmCtx));
|
---|
| 4070 | if (RT_SUCCESS(rc))
|
---|
| 4071 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
| 4072 | break;
|
---|
| 4073 | }
|
---|
| 4074 |
|
---|
| 4075 | case DBGFEVENT_BREAKPOINT:
|
---|
| 4076 | case DBGFEVENT_BREAKPOINT_IO:
|
---|
| 4077 | case DBGFEVENT_BREAKPOINT_MMIO:
|
---|
| 4078 | case DBGFEVENT_BREAKPOINT_HYPER:
|
---|
[86180] | 4079 | {
|
---|
[86755] | 4080 | rc = dbgcBpExec(pDbgc, pEvent->u.Bp.hBp);
|
---|
[86180] | 4081 | switch (rc)
|
---|
| 4082 | {
|
---|
| 4083 | case VERR_DBGC_BP_NOT_FOUND:
|
---|
| 4084 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Unknown breakpoint %u! (%s)\n",
|
---|
[86755] | 4085 | pEvent->u.Bp.hBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
[86180] | 4086 | break;
|
---|
| 4087 |
|
---|
| 4088 | case VINF_DBGC_BP_NO_COMMAND:
|
---|
| 4089 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! (%s)\n",
|
---|
[86755] | 4090 | pEvent->u.Bp.hBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
[86180] | 4091 | break;
|
---|
| 4092 |
|
---|
| 4093 | case VINF_BUFFER_OVERFLOW:
|
---|
| 4094 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! Command too long to execute! (%s)\n",
|
---|
[86755] | 4095 | pEvent->u.Bp.hBp, dbgcGetEventCtx(pEvent->enmCtx));
|
---|
[86180] | 4096 | break;
|
---|
| 4097 |
|
---|
| 4098 | default:
|
---|
| 4099 | break;
|
---|
| 4100 | }
|
---|
| 4101 | if (RT_SUCCESS(rc) && DBGFR3IsHalted(pDbgc->pUVM, VMCPUID_ALL))
|
---|
| 4102 | {
|
---|
| 4103 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
| 4104 |
|
---|
| 4105 | /* Set the resume flag to ignore the breakpoint when resuming execution. */
|
---|
| 4106 | if ( RT_SUCCESS(rc)
|
---|
| 4107 | && pEvent->enmType == DBGFEVENT_BREAKPOINT)
|
---|
| 4108 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r eflags.rf = 1");
|
---|
| 4109 | }
|
---|
| 4110 |
|
---|
[86234] | 4111 | /* Figure out the breakpoint and set the triggered flag for emulation of DR6. */
|
---|
| 4112 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
| 4113 | {
|
---|
[86755] | 4114 | if (pThis->aHwBp[i].hDbgfBp == pEvent->u.Bp.hBp)
|
---|
[86234] | 4115 | {
|
---|
| 4116 | pThis->aHwBp[i].fTriggered = true;
|
---|
| 4117 | break;
|
---|
| 4118 | }
|
---|
| 4119 | }
|
---|
| 4120 |
|
---|
[104612] | 4121 | if (RT_SUCCESS(rc))
|
---|
| 4122 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
[86180] | 4123 | break;
|
---|
| 4124 | }
|
---|
| 4125 |
|
---|
[86105] | 4126 | case DBGFEVENT_STEPPED:
|
---|
| 4127 | case DBGFEVENT_STEPPED_HYPER:
|
---|
| 4128 | {
|
---|
[86234] | 4129 | pThis->fSingleStepped = true; /* For emulation of DR6. */
|
---|
[86105] | 4130 | rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
|
---|
| 4131 | break;
|
---|
| 4132 | }
|
---|
| 4133 |
|
---|
| 4134 | case DBGFEVENT_ASSERTION_HYPER:
|
---|
| 4135 | {
|
---|
| 4136 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
| 4137 | "\ndbgf event: Hypervisor Assertion! (%s)\n"
|
---|
| 4138 | "%s"
|
---|
| 4139 | "%s"
|
---|
| 4140 | "\n",
|
---|
| 4141 | dbgcGetEventCtx(pEvent->enmCtx),
|
---|
| 4142 | pEvent->u.Assert.pszMsg1,
|
---|
| 4143 | pEvent->u.Assert.pszMsg2);
|
---|
| 4144 | if (RT_SUCCESS(rc))
|
---|
| 4145 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
| 4146 | break;
|
---|
| 4147 | }
|
---|
| 4148 |
|
---|
| 4149 | case DBGFEVENT_DEV_STOP:
|
---|
| 4150 | {
|
---|
| 4151 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
| 4152 | "\n"
|
---|
| 4153 | "dbgf event: DBGFSTOP (%s)\n"
|
---|
| 4154 | "File: %s\n"
|
---|
| 4155 | "Line: %d\n"
|
---|
| 4156 | "Function: %s\n",
|
---|
| 4157 | dbgcGetEventCtx(pEvent->enmCtx),
|
---|
| 4158 | pEvent->u.Src.pszFile,
|
---|
| 4159 | pEvent->u.Src.uLine,
|
---|
| 4160 | pEvent->u.Src.pszFunction);
|
---|
| 4161 | if (RT_SUCCESS(rc) && pEvent->u.Src.pszMessage && *pEvent->u.Src.pszMessage)
|
---|
| 4162 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
|
---|
| 4163 | "Message: %s\n",
|
---|
| 4164 | pEvent->u.Src.pszMessage);
|
---|
| 4165 | if (RT_SUCCESS(rc))
|
---|
| 4166 | rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
|
---|
| 4167 | break;
|
---|
| 4168 | }
|
---|
| 4169 |
|
---|
| 4170 |
|
---|
| 4171 | case DBGFEVENT_INVALID_COMMAND:
|
---|
| 4172 | {
|
---|
| 4173 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Invalid command event!\n");
|
---|
| 4174 | break;
|
---|
| 4175 | }
|
---|
| 4176 |
|
---|
| 4177 | case DBGFEVENT_POWERING_OFF:
|
---|
| 4178 | {
|
---|
| 4179 | pThis->Dbgc.fReady = false;
|
---|
[86327] | 4180 | pThis->Dbgc.pIo->pfnSetReady(pThis->Dbgc.pIo, false);
|
---|
[86105] | 4181 | rc = VERR_GENERAL_FAILURE;
|
---|
| 4182 | break;
|
---|
| 4183 | }
|
---|
| 4184 |
|
---|
| 4185 | default:
|
---|
| 4186 | {
|
---|
| 4187 | /*
|
---|
| 4188 | * Probably a generic event. Look it up to find its name.
|
---|
| 4189 | */
|
---|
| 4190 | PCDBGCSXEVT pEvtDesc = dbgcEventLookup(pEvent->enmType);
|
---|
| 4191 | if (pEvtDesc)
|
---|
| 4192 | {
|
---|
| 4193 | if (pEvtDesc->enmKind == kDbgcSxEventKind_Interrupt)
|
---|
| 4194 | {
|
---|
| 4195 | Assert(pEvtDesc->pszDesc);
|
---|
| 4196 | Assert(pEvent->u.Generic.cArgs == 1);
|
---|
| 4197 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s no %#llx! (%s)\n",
|
---|
| 4198 | pEvtDesc->pszDesc, pEvent->u.Generic.auArgs[0], pEvtDesc->pszName);
|
---|
| 4199 | }
|
---|
| 4200 | else if (pEvtDesc->fFlags & DBGCSXEVT_F_BUGCHECK)
|
---|
| 4201 | {
|
---|
| 4202 | Assert(pEvent->u.Generic.cArgs >= 5);
|
---|
| 4203 | char szDetails[512];
|
---|
| 4204 | DBGFR3FormatBugCheck(pDbgc->pUVM, szDetails, sizeof(szDetails), pEvent->u.Generic.auArgs[0],
|
---|
| 4205 | pEvent->u.Generic.auArgs[1], pEvent->u.Generic.auArgs[2],
|
---|
| 4206 | pEvent->u.Generic.auArgs[3], pEvent->u.Generic.auArgs[4]);
|
---|
| 4207 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s %s%s!\n%s", pEvtDesc->pszName,
|
---|
| 4208 | pEvtDesc->pszDesc ? "- " : "", pEvtDesc->pszDesc ? pEvtDesc->pszDesc : "",
|
---|
| 4209 | szDetails);
|
---|
| 4210 | }
|
---|
| 4211 | else if ( (pEvtDesc->fFlags & DBGCSXEVT_F_TAKE_ARG)
|
---|
| 4212 | || pEvent->u.Generic.cArgs > 1
|
---|
| 4213 | || ( pEvent->u.Generic.cArgs == 1
|
---|
| 4214 | && pEvent->u.Generic.auArgs[0] != 0))
|
---|
| 4215 | {
|
---|
| 4216 | if (pEvtDesc->pszDesc)
|
---|
| 4217 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!",
|
---|
| 4218 | pEvtDesc->pszName, pEvtDesc->pszDesc);
|
---|
| 4219 | else
|
---|
| 4220 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!", pEvtDesc->pszName);
|
---|
[104612] | 4221 | if (RT_SUCCESS(rc))
|
---|
[86105] | 4222 | {
|
---|
[104612] | 4223 | if (pEvent->u.Generic.cArgs <= 1)
|
---|
| 4224 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " arg=%#llx\n", pEvent->u.Generic.auArgs[0]);
|
---|
| 4225 | else
|
---|
| 4226 | {
|
---|
| 4227 | for (uint32_t i = 0; i < pEvent->u.Generic.cArgs; i++)
|
---|
| 4228 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " args[%u]=%#llx", i, pEvent->u.Generic.auArgs[i]);
|
---|
| 4229 | if (RT_SUCCESS(rc))
|
---|
| 4230 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\n");
|
---|
| 4231 | }
|
---|
[86105] | 4232 | }
|
---|
| 4233 | }
|
---|
| 4234 | else
|
---|
| 4235 | {
|
---|
| 4236 | if (pEvtDesc->pszDesc)
|
---|
| 4237 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!\n",
|
---|
| 4238 | pEvtDesc->pszName, pEvtDesc->pszDesc);
|
---|
| 4239 | else
|
---|
| 4240 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!\n", pEvtDesc->pszName);
|
---|
| 4241 | }
|
---|
| 4242 | }
|
---|
| 4243 | else
|
---|
| 4244 | rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Unknown event %d!\n", pEvent->enmType);
|
---|
| 4245 | break;
|
---|
| 4246 | }
|
---|
| 4247 | }
|
---|
| 4248 |
|
---|
[86180] | 4249 | pDbgc->idCpu = idCpuOld;
|
---|
[86105] | 4250 | return rc;
|
---|
| 4251 | }
|
---|
| 4252 |
|
---|
| 4253 |
|
---|
| 4254 | /**
|
---|
| 4255 | * Handle a receive timeout.
|
---|
| 4256 | *
|
---|
| 4257 | * @returns VBox status code.
|
---|
| 4258 | * @param pThis Pointer to the KD context.
|
---|
| 4259 | */
|
---|
| 4260 | static int dbgcKdCtxRecvTimeout(PKDCTX pThis)
|
---|
| 4261 | {
|
---|
| 4262 | int rc = VINF_SUCCESS;
|
---|
| 4263 |
|
---|
| 4264 | LogFlowFunc(("pThis=%p\n", pThis));
|
---|
| 4265 |
|
---|
| 4266 | /*
|
---|
| 4267 | * If a single breakin packet byte was received but the header is otherwise incomplete
|
---|
| 4268 | * the VM is halted and a state change will be sent in the event processing loop.
|
---|
| 4269 | */
|
---|
| 4270 | if ( pThis->enmState == KDRECVSTATE_PACKET_HDR_SECOND_BYTE
|
---|
| 4271 | && pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
|
---|
| 4272 | {
|
---|
| 4273 | LogFlow(("DbgKd: Halting VM!\n"));
|
---|
| 4274 | rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
|
---|
| 4275 | }
|
---|
[87580] | 4276 | else /* Send a reset packet */ /** @todo Figure out the semantics in this case exactly. */
|
---|
[86105] | 4277 | rc = dbgcKdCtxPktSendReset(pThis);
|
---|
| 4278 |
|
---|
| 4279 | dbgcKdCtxPktRecvReset(pThis);
|
---|
| 4280 |
|
---|
| 4281 | LogFlowFunc(("rc=%Rrc\n", rc));
|
---|
| 4282 | return rc;
|
---|
| 4283 | }
|
---|
| 4284 |
|
---|
| 4285 |
|
---|
| 4286 | /**
|
---|
[86180] | 4287 | * @copydoc DBGC::pfnOutput
|
---|
| 4288 | */
|
---|
| 4289 | static DECLCALLBACK(int) dbgcKdOutput(void *pvUser, const char *pachChars, size_t cbChars)
|
---|
| 4290 | {
|
---|
| 4291 | PKDCTX pThis = (PKDCTX)pvUser;
|
---|
| 4292 |
|
---|
| 4293 | return dbgcKdCtxDebugIoStrSend(pThis, pThis->Dbgc.idCpu, pachChars, cbChars);
|
---|
| 4294 | }
|
---|
| 4295 |
|
---|
| 4296 |
|
---|
| 4297 | /**
|
---|
[86105] | 4298 | * Run the debugger console.
|
---|
| 4299 | *
|
---|
| 4300 | * @returns VBox status code.
|
---|
| 4301 | * @param pThis Pointer to the KD context.
|
---|
| 4302 | */
|
---|
[103433] | 4303 | static int dbgcKdRun(PKDCTX pThis)
|
---|
[86105] | 4304 | {
|
---|
| 4305 | /*
|
---|
| 4306 | * We're ready for commands now.
|
---|
| 4307 | */
|
---|
| 4308 | pThis->Dbgc.fReady = true;
|
---|
[86327] | 4309 | pThis->Dbgc.pIo->pfnSetReady(pThis->Dbgc.pIo, true);
|
---|
[86105] | 4310 |
|
---|
| 4311 | /*
|
---|
| 4312 | * Main Debugger Loop.
|
---|
| 4313 | *
|
---|
| 4314 | * This loop will either block on waiting for input or on waiting on
|
---|
| 4315 | * debug events. If we're forwarding the log we cannot wait for long
|
---|
| 4316 | * before we must flush the log.
|
---|
| 4317 | */
|
---|
| 4318 | int rc;
|
---|
| 4319 | for (;;)
|
---|
| 4320 | {
|
---|
| 4321 | rc = VERR_SEM_OUT_OF_TURN;
|
---|
| 4322 | if (pThis->Dbgc.pUVM)
|
---|
| 4323 | rc = DBGFR3QueryWaitable(pThis->Dbgc.pUVM);
|
---|
| 4324 |
|
---|
| 4325 | if (RT_SUCCESS(rc))
|
---|
| 4326 | {
|
---|
| 4327 | /*
|
---|
| 4328 | * Wait for a debug event.
|
---|
| 4329 | */
|
---|
| 4330 | DBGFEVENT Evt;
|
---|
| 4331 | rc = DBGFR3EventWait(pThis->Dbgc.pUVM, 32, &Evt);
|
---|
| 4332 | if (RT_SUCCESS(rc))
|
---|
| 4333 | {
|
---|
| 4334 | rc = dbgcKdCtxProcessEvent(pThis, &Evt);
|
---|
| 4335 | if (RT_FAILURE(rc))
|
---|
| 4336 | break;
|
---|
| 4337 | }
|
---|
| 4338 | else if (rc != VERR_TIMEOUT)
|
---|
| 4339 | break;
|
---|
| 4340 |
|
---|
| 4341 | /*
|
---|
| 4342 | * Check for input.
|
---|
| 4343 | */
|
---|
[86327] | 4344 | if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, 0))
|
---|
[86105] | 4345 | {
|
---|
| 4346 | rc = dbgcKdCtxRecv(pThis);
|
---|
| 4347 | if (RT_FAILURE(rc))
|
---|
| 4348 | break;
|
---|
| 4349 | }
|
---|
| 4350 | }
|
---|
| 4351 | else if (rc == VERR_SEM_OUT_OF_TURN)
|
---|
| 4352 | {
|
---|
| 4353 | /*
|
---|
| 4354 | * Wait for input.
|
---|
| 4355 | */
|
---|
[86327] | 4356 | if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, 1000))
|
---|
[86105] | 4357 | rc = dbgcKdCtxRecv(pThis);
|
---|
| 4358 | else if ( pThis->msRecvTimeout != RT_INDEFINITE_WAIT
|
---|
| 4359 | && (RTTimeMilliTS() - pThis->tsRecvLast >= pThis->msRecvTimeout))
|
---|
| 4360 | rc = dbgcKdCtxRecvTimeout(pThis);
|
---|
[103433] | 4361 |
|
---|
| 4362 | if (RT_FAILURE(rc))
|
---|
| 4363 | break;
|
---|
[86105] | 4364 | }
|
---|
| 4365 | else
|
---|
| 4366 | break;
|
---|
| 4367 | }
|
---|
| 4368 |
|
---|
| 4369 | return rc;
|
---|
| 4370 | }
|
---|
| 4371 |
|
---|
| 4372 |
|
---|
| 4373 | /**
|
---|
| 4374 | * Creates a KD context instance with the given backend.
|
---|
| 4375 | *
|
---|
| 4376 | * @returns VBox status code.
|
---|
| 4377 | * @param ppKdCtx Where to store the pointer to the KD stub context instance on success.
|
---|
[86327] | 4378 | * @param pIo Pointer to the I/O callback table.
|
---|
[86105] | 4379 | * @param fFlags Flags controlling the behavior.
|
---|
| 4380 | */
|
---|
[86327] | 4381 | static int dbgcKdCtxCreate(PPKDCTX ppKdCtx, PCDBGCIO pIo, unsigned fFlags)
|
---|
[86105] | 4382 | {
|
---|
| 4383 | /*
|
---|
| 4384 | * Validate input.
|
---|
| 4385 | */
|
---|
[86327] | 4386 | AssertPtrReturn(pIo, VERR_INVALID_POINTER);
|
---|
[86105] | 4387 | AssertMsgReturn(!fFlags, ("%#x", fFlags), VERR_INVALID_PARAMETER);
|
---|
| 4388 |
|
---|
| 4389 | /*
|
---|
| 4390 | * Allocate and initialize.
|
---|
| 4391 | */
|
---|
| 4392 | PKDCTX pThis = (PKDCTX)RTMemAllocZ(sizeof(*pThis));
|
---|
| 4393 | if (!pThis)
|
---|
| 4394 | return VERR_NO_MEMORY;
|
---|
| 4395 |
|
---|
| 4396 | dbgcInitCmdHlp(&pThis->Dbgc);
|
---|
| 4397 | /*
|
---|
| 4398 | * This is compied from the native debug console (will be used for monitor commands)
|
---|
| 4399 | * in DBGCConsole.cpp. Try to keep both functions in sync.
|
---|
| 4400 | */
|
---|
[86327] | 4401 | pThis->Dbgc.pIo = pIo;
|
---|
[86180] | 4402 | pThis->Dbgc.pfnOutput = dbgcKdOutput;
|
---|
[86105] | 4403 | pThis->Dbgc.pvOutputUser = pThis;
|
---|
| 4404 | pThis->Dbgc.pVM = NULL;
|
---|
| 4405 | pThis->Dbgc.pUVM = NULL;
|
---|
| 4406 | pThis->Dbgc.idCpu = 0;
|
---|
| 4407 | pThis->Dbgc.hDbgAs = DBGF_AS_GLOBAL;
|
---|
| 4408 | pThis->Dbgc.pszEmulation = "CodeView/WinDbg";
|
---|
| 4409 | pThis->Dbgc.paEmulationCmds = &g_aCmdsCodeView[0];
|
---|
| 4410 | pThis->Dbgc.cEmulationCmds = g_cCmdsCodeView;
|
---|
| 4411 | pThis->Dbgc.paEmulationFuncs = &g_aFuncsCodeView[0];
|
---|
| 4412 | pThis->Dbgc.cEmulationFuncs = g_cFuncsCodeView;
|
---|
| 4413 | //pThis->Dbgc.fLog = false;
|
---|
| 4414 | pThis->Dbgc.fRegTerse = true;
|
---|
| 4415 | pThis->Dbgc.fStepTraceRegs = true;
|
---|
| 4416 | //pThis->Dbgc.cPagingHierarchyDumps = 0;
|
---|
| 4417 | //pThis->Dbgc.DisasmPos = {0};
|
---|
| 4418 | //pThis->Dbgc.SourcePos = {0};
|
---|
| 4419 | //pThis->Dbgc.DumpPos = {0};
|
---|
| 4420 | pThis->Dbgc.pLastPos = &pThis->Dbgc.DisasmPos;
|
---|
| 4421 | //pThis->Dbgc.cbDumpElement = 0;
|
---|
| 4422 | //pThis->Dbgc.cVars = 0;
|
---|
| 4423 | //pThis->Dbgc.paVars = NULL;
|
---|
| 4424 | //pThis->Dbgc.pPlugInHead = NULL;
|
---|
| 4425 | //pThis->Dbgc.pFirstBp = NULL;
|
---|
| 4426 | //pThis->Dbgc.abSearch = {0};
|
---|
| 4427 | //pThis->Dbgc.cbSearch = 0;
|
---|
| 4428 | pThis->Dbgc.cbSearchUnit = 1;
|
---|
| 4429 | pThis->Dbgc.cMaxSearchHits = 1;
|
---|
| 4430 | //pThis->Dbgc.SearchAddr = {0};
|
---|
| 4431 | //pThis->Dbgc.cbSearchRange = 0;
|
---|
| 4432 |
|
---|
| 4433 | //pThis->Dbgc.uInputZero = 0;
|
---|
| 4434 | //pThis->Dbgc.iRead = 0;
|
---|
| 4435 | //pThis->Dbgc.iWrite = 0;
|
---|
| 4436 | //pThis->Dbgc.cInputLines = 0;
|
---|
| 4437 | //pThis->Dbgc.fInputOverflow = false;
|
---|
| 4438 | pThis->Dbgc.fReady = true;
|
---|
| 4439 | pThis->Dbgc.pszScratch = &pThis->Dbgc.achScratch[0];
|
---|
| 4440 | //pThis->Dbgc.iArg = 0;
|
---|
| 4441 | //pThis->Dbgc.rcOutput = 0;
|
---|
| 4442 | //pThis->Dbgc.rcCmd = 0;
|
---|
| 4443 |
|
---|
| 4444 | //pThis->Dbgc.pszHistoryFile = NULL;
|
---|
| 4445 | //pThis->Dbgc.pszGlobalInitScript = NULL;
|
---|
| 4446 | //pThis->Dbgc.pszLocalInitScript = NULL;
|
---|
| 4447 |
|
---|
| 4448 | dbgcEvalInit();
|
---|
| 4449 |
|
---|
| 4450 | pThis->fBreakinRecv = false;
|
---|
[86184] | 4451 | pThis->fInVBoxDbg = false;
|
---|
[86105] | 4452 | pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
|
---|
| 4453 | pThis->pIfWinNt = NULL;
|
---|
[86165] | 4454 | pThis->f32Bit = false;
|
---|
[86105] | 4455 | dbgcKdCtxPktRecvReset(pThis);
|
---|
| 4456 |
|
---|
[86234] | 4457 | for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
|
---|
| 4458 | {
|
---|
| 4459 | PKDCTXHWBP pBp = &pThis->aHwBp[i];
|
---|
[86755] | 4460 | pBp->hDbgfBp = NIL_DBGFBP;
|
---|
[86234] | 4461 | }
|
---|
| 4462 |
|
---|
| 4463 | dbgcKdCtxHwBpReset(pThis);
|
---|
| 4464 |
|
---|
[86105] | 4465 | *ppKdCtx = pThis;
|
---|
| 4466 | return VINF_SUCCESS;
|
---|
| 4467 | }
|
---|
| 4468 |
|
---|
| 4469 |
|
---|
| 4470 | /**
|
---|
| 4471 | * Destroys the given KD context.
|
---|
| 4472 | *
|
---|
| 4473 | * @param pThis The KD context to destroy.
|
---|
| 4474 | */
|
---|
| 4475 | static void dbgcKdCtxDestroy(PKDCTX pThis)
|
---|
| 4476 | {
|
---|
| 4477 | AssertPtr(pThis);
|
---|
| 4478 |
|
---|
| 4479 | pThis->pIfWinNt = NULL;
|
---|
| 4480 |
|
---|
| 4481 | /* Detach from the VM. */
|
---|
| 4482 | if (pThis->Dbgc.pUVM)
|
---|
| 4483 | DBGFR3Detach(pThis->Dbgc.pUVM);
|
---|
| 4484 |
|
---|
| 4485 | /* Free config strings. */
|
---|
| 4486 | RTStrFree(pThis->Dbgc.pszGlobalInitScript);
|
---|
| 4487 | pThis->Dbgc.pszGlobalInitScript = NULL;
|
---|
| 4488 | RTStrFree(pThis->Dbgc.pszLocalInitScript);
|
---|
| 4489 | pThis->Dbgc.pszLocalInitScript = NULL;
|
---|
| 4490 | RTStrFree(pThis->Dbgc.pszHistoryFile);
|
---|
| 4491 | pThis->Dbgc.pszHistoryFile = NULL;
|
---|
| 4492 |
|
---|
| 4493 | /* Finally, free the instance memory. */
|
---|
| 4494 | RTMemFree(pThis);
|
---|
| 4495 | }
|
---|
| 4496 |
|
---|
| 4497 |
|
---|
[86327] | 4498 | DECL_HIDDEN_CALLBACK(int) dbgcKdStubRunloop(PUVM pUVM, PCDBGCIO pIo, unsigned fFlags)
|
---|
[86105] | 4499 | {
|
---|
| 4500 | /*
|
---|
| 4501 | * Validate input.
|
---|
| 4502 | */
|
---|
| 4503 | AssertPtrNullReturn(pUVM, VERR_INVALID_VM_HANDLE);
|
---|
| 4504 | PVM pVM = NULL;
|
---|
| 4505 | if (pUVM)
|
---|
| 4506 | {
|
---|
| 4507 | pVM = VMR3GetVM(pUVM);
|
---|
| 4508 | AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
| 4509 | }
|
---|
| 4510 |
|
---|
| 4511 | /*
|
---|
| 4512 | * Allocate and initialize instance data
|
---|
| 4513 | */
|
---|
| 4514 | PKDCTX pThis;
|
---|
[86327] | 4515 | int rc = dbgcKdCtxCreate(&pThis, pIo, fFlags);
|
---|
[86105] | 4516 | if (RT_FAILURE(rc))
|
---|
| 4517 | return rc;
|
---|
| 4518 | if (!HMR3IsEnabled(pUVM) && !NEMR3IsEnabled(pUVM))
|
---|
| 4519 | pThis->Dbgc.hDbgAs = DBGF_AS_RC_AND_GC_GLOBAL;
|
---|
| 4520 |
|
---|
| 4521 | /*
|
---|
| 4522 | * Attach to the specified VM.
|
---|
| 4523 | */
|
---|
| 4524 | if (RT_SUCCESS(rc) && pUVM)
|
---|
| 4525 | {
|
---|
| 4526 | rc = DBGFR3Attach(pUVM);
|
---|
| 4527 | if (RT_SUCCESS(rc))
|
---|
| 4528 | {
|
---|
| 4529 | pThis->Dbgc.pVM = pVM;
|
---|
| 4530 | pThis->Dbgc.pUVM = pUVM;
|
---|
| 4531 | pThis->Dbgc.idCpu = 0;
|
---|
| 4532 | }
|
---|
| 4533 | else
|
---|
| 4534 | rc = pThis->Dbgc.CmdHlp.pfnVBoxError(&pThis->Dbgc.CmdHlp, rc, "When trying to attach to VM %p\n", pThis->Dbgc.pVM);
|
---|
| 4535 | }
|
---|
| 4536 |
|
---|
| 4537 | /*
|
---|
| 4538 | * Load plugins.
|
---|
| 4539 | */
|
---|
| 4540 | if (RT_SUCCESS(rc))
|
---|
| 4541 | {
|
---|
| 4542 | if (pVM)
|
---|
| 4543 | DBGFR3PlugInLoadAll(pThis->Dbgc.pUVM);
|
---|
| 4544 | dbgcEventInit(&pThis->Dbgc);
|
---|
| 4545 |
|
---|
| 4546 | /*
|
---|
| 4547 | * Run the debugger main loop.
|
---|
| 4548 | */
|
---|
| 4549 | rc = dbgcKdRun(pThis);
|
---|
| 4550 | dbgcEventTerm(&pThis->Dbgc);
|
---|
| 4551 | }
|
---|
| 4552 |
|
---|
| 4553 | /*
|
---|
| 4554 | * Cleanup console debugger session.
|
---|
| 4555 | */
|
---|
| 4556 | dbgcKdCtxDestroy(pThis);
|
---|
| 4557 | return rc == VERR_DBGC_QUIT ? VINF_SUCCESS : rc;
|
---|
| 4558 | }
|
---|