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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Debugger/DBGCRemoteKd.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Debugger/DBGCRemoteKd.cpp')
-rw-r--r--src/VBox/Debugger/DBGCRemoteKd.cpp4550
1 files changed, 4550 insertions, 0 deletions
diff --git a/src/VBox/Debugger/DBGCRemoteKd.cpp b/src/VBox/Debugger/DBGCRemoteKd.cpp
new file mode 100644
index 00000000..c73d6884
--- /dev/null
+++ b/src/VBox/Debugger/DBGCRemoteKd.cpp
@@ -0,0 +1,4550 @@
+/* $Id: DBGCRemoteKd.cpp $ */
+/** @file
+ * DBGC - Debugger Console, Windows Kd Remote Stub.
+ */
+
+/*
+ * Copyright (C) 2020-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <VBox/dbg.h>
+#include <VBox/vmm/dbgf.h>
+#include <VBox/vmm/vmapi.h> /* VMR3GetVM() */
+#include <VBox/vmm/hm.h> /* HMR3IsEnabled */
+#include <VBox/vmm/nem.h> /* NEMR3IsEnabled */
+#include <iprt/assertcompile.h>
+#include <iprt/cdefs.h>
+#include <iprt/err.h>
+#include <iprt/list.h>
+#include <iprt/mem.h>
+#include <iprt/sg.h>
+#include <iprt/string.h>
+#include <iprt/time.h>
+#include <iprt/x86.h>
+#include <iprt/formats/pecoff.h>
+#include <iprt/formats/mz.h>
+
+#include <stdlib.h>
+
+#include "DBGCInternal.h"
+
+
+/*********************************************************************************************************************************
+* Defined Constants And Macros *
+*********************************************************************************************************************************/
+
+/** Number of milliseconds we wait for new data to arrive when a new packet was detected. */
+#define DBGC_KD_RECV_TIMEOUT_MS UINT32_C(1000)
+
+/** NT status code - Success. */
+#define NTSTATUS_SUCCESS 0
+/** NT status code - buffer overflow. */
+#define NTSTATUS_BUFFER_OVERFLOW UINT32_C(0x80000005)
+/** NT status code - operation unsuccesful. */
+#define NTSTATUS_UNSUCCESSFUL UINT32_C(0xc0000001)
+/** NT status code - operation not implemented. */
+#define NTSTATUS_NOT_IMPLEMENTED UINT32_C(0xc0000002)
+/** NT status code - Object not found. */
+#define NTSTATUS_NOT_FOUND UINT32_C(0xc0000225)
+
+/** Offset where the KD version block pointer is stored in the KPCR.
+ * From: https://www.geoffchappell.com/studies/windows/km/ntoskrnl/structs/kprcb/amd64.htm */
+#define KD_KPCR_VERSION_BLOCK_ADDR_OFF 0x34
+
+
+/*********************************************************************************************************************************
+* Structures and Typedefs *
+*********************************************************************************************************************************/
+
+/**
+ * KD packet header as sent over the wire.
+ */
+typedef struct KDPACKETHDR
+{
+ /** Packet signature (leader) - defines the type of packet. */
+ uint32_t u32Signature;
+ /** Packet (sub) type. */
+ uint16_t u16SubType;
+ /** Size of the packet body in bytes.*/
+ uint16_t cbBody;
+ /** Packet ID. */
+ uint32_t idPacket;
+ /** Checksum of the packet body. */
+ uint32_t u32ChkSum;
+} KDPACKETHDR;
+AssertCompileSize(KDPACKETHDR, 16);
+/** Pointer to a packet header. */
+typedef KDPACKETHDR *PKDPACKETHDR;
+/** Pointer to a const packet header. */
+typedef const KDPACKETHDR *PCKDPACKETHDR;
+
+/** Signature for a data packet. */
+#define KD_PACKET_HDR_SIGNATURE_DATA UINT32_C(0x30303030)
+/** First byte for a data packet header. */
+#define KD_PACKET_HDR_SIGNATURE_DATA_BYTE 0x30
+/** Signature for a control packet. */
+#define KD_PACKET_HDR_SIGNATURE_CONTROL UINT32_C(0x69696969)
+/** First byte for a control packet header. */
+#define KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE 0x69
+/** Signature for a breakin packet. */
+#define KD_PACKET_HDR_SIGNATURE_BREAKIN UINT32_C(0x62626262)
+/** First byte for a breakin packet header. */
+#define KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE 0x62
+
+/** @name Packet sub types.
+ * @{ */
+#define KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32 UINT16_C(1)
+#define KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE UINT16_C(2)
+#define KD_PACKET_HDR_SUB_TYPE_DEBUG_IO UINT16_C(3)
+#define KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE UINT16_C(4)
+#define KD_PACKET_HDR_SUB_TYPE_RESEND UINT16_C(5)
+#define KD_PACKET_HDR_SUB_TYPE_RESET UINT16_C(6)
+#define KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64 UINT16_C(7)
+#define KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN UINT16_C(8)
+#define KD_PACKET_HDR_SUB_TYPE_TRACE_IO UINT16_C(9)
+#define KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST UINT16_C(10)
+#define KD_PACKET_HDR_SUB_TYPE_FILE_IO UINT16_C(11)
+#define KD_PACKET_HDR_SUB_TYPE_MAX UINT16_C(12)
+/** @} */
+
+/** Initial packet ID value. */
+#define KD_PACKET_HDR_ID_INITIAL UINT32_C(0x80800800)
+/** Packet ID value after a resync. */
+#define KD_PACKET_HDR_ID_RESET UINT32_C(0x80800000)
+
+/** Trailing byte of a packet. */
+#define KD_PACKET_TRAILING_BYTE 0xaa
+
+
+/** Maximum number of parameters in the exception record. */
+#define KDPACKETEXCP_PARMS_MAX 15
+
+/**
+ * 64bit exception record.
+ */
+typedef struct KDPACKETEXCP64
+{
+ /** The exception code identifying the excpetion. */
+ uint32_t u32ExcpCode;
+ /** Flags associated with the exception. */
+ uint32_t u32ExcpFlags;
+ /** Pointer to a chained exception record. */
+ uint64_t u64PtrExcpRecNested;
+ /** Address where the exception occurred. */
+ uint64_t u64PtrExcpAddr;
+ /** Number of parameters in the exception information array. */
+ uint32_t cExcpParms;
+ /** Alignment. */
+ uint32_t u32Alignment;
+ /** Exception parameters array. */
+ uint64_t au64ExcpParms[KDPACKETEXCP_PARMS_MAX];
+} KDPACKETEXCP64;
+AssertCompileSize(KDPACKETEXCP64, 152);
+/** Pointer to an exception record. */
+typedef KDPACKETEXCP64 *PKDPACKETEXCP64;
+/** Pointer to a const exception record. */
+typedef const KDPACKETEXCP64 *PCKDPACKETEXCP64;
+
+
+/**
+ * amd64 NT context structure.
+ */
+typedef struct NTCONTEXT64
+{
+ /** The P[1-6]Home members. */
+ uint64_t au64PHome[6];
+ /** Context flags indicating the valid bits, see NTCONTEXT_F_XXX. */
+ uint32_t fContext;
+ /** MXCSR register. */
+ uint32_t u32RegMxCsr;
+ /** CS selector. */
+ uint16_t u16SegCs;
+ /** DS selector. */
+ uint16_t u16SegDs;
+ /** ES selector. */
+ uint16_t u16SegEs;
+ /** FS selector. */
+ uint16_t u16SegFs;
+ /** GS selector. */
+ uint16_t u16SegGs;
+ /** SS selector. */
+ uint16_t u16SegSs;
+ /** EFlags register. */
+ uint32_t u32RegEflags;
+ /** DR0 register. */
+ uint64_t u64RegDr0;
+ /** DR1 register. */
+ uint64_t u64RegDr1;
+ /** DR2 register. */
+ uint64_t u64RegDr2;
+ /** DR3 register. */
+ uint64_t u64RegDr3;
+ /** DR6 register. */
+ uint64_t u64RegDr6;
+ /** DR7 register. */
+ uint64_t u64RegDr7;
+ /** RAX register. */
+ uint64_t u64RegRax;
+ /** RCX register. */
+ uint64_t u64RegRcx;
+ /** RDX register. */
+ uint64_t u64RegRdx;
+ /** RBX register. */
+ uint64_t u64RegRbx;
+ /** RSP register. */
+ uint64_t u64RegRsp;
+ /** RBP register. */
+ uint64_t u64RegRbp;
+ /** RSI register. */
+ uint64_t u64RegRsi;
+ /** RDI register. */
+ uint64_t u64RegRdi;
+ /** R8 register. */
+ uint64_t u64RegR8;
+ /** R9 register. */
+ uint64_t u64RegR9;
+ /** R10 register. */
+ uint64_t u64RegR10;
+ /** R11 register. */
+ uint64_t u64RegR11;
+ /** R12 register. */
+ uint64_t u64RegR12;
+ /** R13 register. */
+ uint64_t u64RegR13;
+ /** R14 register. */
+ uint64_t u64RegR14;
+ /** R15 register. */
+ uint64_t u64RegR15;
+ /** RIP register. */
+ uint64_t u64RegRip;
+ /** Extended floating point save area. */
+ X86FXSTATE FxSave;
+ /** AVX(?) vector registers. */
+ RTUINT128U aRegsVec[26];
+ /** Vector control register. */
+ uint64_t u64RegVecCtrl;
+ /** Debug control. */
+ uint64_t u64DbgCtrl;
+ /** @todo lbr */
+ uint64_t u64LastBrToRip;
+ uint64_t u64LastBrFromRip;
+ uint64_t u64LastExcpToRip;
+ uint64_t u64LastExcpFromRip;
+} NTCONTEXT64;
+AssertCompileSize(NTCONTEXT64, 1232);
+AssertCompileMemberOffset(NTCONTEXT64, FxSave, 0x100);
+AssertCompileMemberOffset(NTCONTEXT64, aRegsVec, 0x300);
+/** Pointer to an amd64 NT context. */
+typedef NTCONTEXT64 *PNTCONTEXT64;
+/** Pointer to a const amd64 NT context. */
+typedef const NTCONTEXT64 *PCNTCONTEXT64;
+
+
+/**
+ * 64bit [GI]DT descriptor.
+ */
+typedef struct NTKCONTEXTDESC64
+{
+ /** Alignment. */
+ uint16_t au16Alignment[3];
+ /** Limit. */
+ uint16_t u16Limit;
+ /** Base address. */
+ uint64_t u64PtrBase;
+} NTKCONTEXTDESC64;
+AssertCompileSize(NTKCONTEXTDESC64, 2 * 8);
+/** Pointer to a 64bit [GI]DT descriptor. */
+typedef NTKCONTEXTDESC64 *PNTKCONTEXTDESC64;
+/** Pointer to a const 64bit [GI]DT descriptor. */
+typedef const NTKCONTEXTDESC64 *PCNTKCONTEXTDESC64;
+
+
+/**
+ * Kernel context as queried by KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE
+ */
+typedef struct NTKCONTEXT64
+{
+ /** CR0 register. */
+ uint64_t u64RegCr0;
+ /** CR2 register. */
+ uint64_t u64RegCr2;
+ /** CR3 register. */
+ uint64_t u64RegCr3;
+ /** CR4 register. */
+ uint64_t u64RegCr4;
+ /** DR0 register. */
+ uint64_t u64RegDr0;
+ /** DR1 register. */
+ uint64_t u64RegDr1;
+ /** DR2 register. */
+ uint64_t u64RegDr2;
+ /** DR3 register. */
+ uint64_t u64RegDr3;
+ /** DR6 register. */
+ uint64_t u64RegDr6;
+ /** DR7 register. */
+ uint64_t u64RegDr7;
+ /** GDTR. */
+ NTKCONTEXTDESC64 Gdtr;
+ /** IDTR. */
+ NTKCONTEXTDESC64 Idtr;
+ /** TR register. */
+ uint16_t u16RegTr;
+ /** LDTR register. */
+ uint16_t u16RegLdtr;
+ /** MXCSR register. */
+ uint32_t u32RegMxCsr;
+ /** Debug control. */
+ uint64_t u64DbgCtrl;
+ /** @todo lbr */
+ uint64_t u64LastBrToRip;
+ uint64_t u64LastBrFromRip;
+ uint64_t u64LastExcpToRip;
+ uint64_t u64LastExcpFromRip;
+ /** CR8 register. */
+ uint64_t u64RegCr8;
+ /** GS base MSR register. */
+ uint64_t u64MsrGsBase;
+ /** Kernel GS base MSR register. */
+ uint64_t u64MsrKernelGsBase;
+ /** STAR MSR register. */
+ uint64_t u64MsrStar;
+ /** LSTAR MSR register. */
+ uint64_t u64MsrLstar;
+ /** CSTAR MSR register. */
+ uint64_t u64MsrCstar;
+ /** SFMASK MSR register. */
+ uint64_t u64MsrSfMask;
+ /** XCR0 register. */
+ uint64_t u64RegXcr0;
+ /** Standard context. */
+ NTCONTEXT64 Ctx;
+} NTKCONTEXT64;
+AssertCompileMemberOffset(NTKCONTEXT64, Ctx, 224);
+/** Pointer to an amd64 NT context. */
+typedef NTKCONTEXT64 *PNTKCONTEXT64;
+/** Pointer to a const amd64 NT context. */
+typedef const NTKCONTEXT64 *PCNTKCONTEXT64;
+
+
+/**
+ * 32bit context FPU save area.
+ */
+typedef struct NTCONTEXT32_FPU_SAVE_AREA
+{
+ uint32_t u32CtrlWord;
+ uint32_t u32StatusWord;
+ uint32_t u32TagWord;
+ uint32_t u32ErrorOff;
+ uint32_t u32ErrorSel;
+ uint32_t u32DataOff;
+ uint32_t u32DataSel;
+ X86FPUMMX aFpuRegs[8];
+ uint32_t u32Cr0Npx;
+} NTCONTEXT32_FPU_SAVE_AREA;
+/** Pointer to an 32bit context FPU save area. */
+typedef NTCONTEXT32_FPU_SAVE_AREA *PNTCONTEXT32_FPU_SAVE_AREA;
+/** Pointer to a const 32bit context FPU save area. */
+typedef const NTCONTEXT32_FPU_SAVE_AREA *PCNTCONTEXT32_FPU_SAVE_AREA;
+
+
+/**
+ * i386 NT context structure.
+ */
+typedef struct NTCONTEXT32
+{
+ /** Context flags indicating the valid bits, see NTCONTEXT_F_XXX. */
+ uint32_t fContext;
+ /** DR0 register. */
+ uint32_t u32RegDr0;
+ /** DR1 register. */
+ uint32_t u32RegDr1;
+ /** DR2 register. */
+ uint32_t u32RegDr2;
+ /** DR3 register. */
+ uint32_t u32RegDr3;
+ /** DR6 register. */
+ uint32_t u32RegDr6;
+ /** DR7 register. */
+ uint32_t u32RegDr7;
+ /** Floating point save area. */
+ NTCONTEXT32_FPU_SAVE_AREA FloatSave;
+ /** GS segment. */
+ uint32_t u32SegGs;
+ /** FS segment. */
+ uint32_t u32SegFs;
+ /** ES segment. */
+ uint32_t u32SegEs;
+ /** DS segment. */
+ uint32_t u32SegDs;
+ /** EDI register. */
+ uint32_t u32RegEdi;
+ /** ESI register. */
+ uint32_t u32RegEsi;
+ /** EBX register. */
+ uint32_t u32RegEbx;
+ /** EDX register. */
+ uint32_t u32RegEdx;
+ /** ECX register. */
+ uint32_t u32RegEcx;
+ /** EAX register. */
+ uint32_t u32RegEax;
+ /** EBP register. */
+ uint32_t u32RegEbp;
+ /** EIP register. */
+ uint32_t u32RegEip;
+ /** CS segment. */
+ uint32_t u32SegCs;
+ /** EFLAGS register. */
+ uint32_t u32RegEflags;
+ /** ESP register. */
+ uint32_t u32RegEsp;
+ /** SS segment. */
+ uint32_t u32SegSs;
+ /** @todo Extended registers */
+ uint8_t abRegsExtended[512];
+} NTCONTEXT32;
+AssertCompileSize(NTCONTEXT32, 716);
+/** Pointer to an i386 NT context. */
+typedef NTCONTEXT32 *PNTCONTEXT32;
+/** Pointer to a const i386 NT context. */
+typedef const NTCONTEXT32 *PCNTCONTEXT32;
+
+
+/**
+ * 32bit [GI]DT descriptor.
+ */
+typedef struct NTKCONTEXTDESC32
+{
+ /** Alignment. */
+ uint16_t u16Alignment;
+ /** Limit. */
+ uint16_t u16Limit;
+ /** Base address. */
+ uint32_t u32PtrBase;
+} NTKCONTEXTDESC32;
+AssertCompileSize(NTKCONTEXTDESC32, 2 * 4);
+/** Pointer to an 32bit [GI]DT descriptor. */
+typedef NTKCONTEXTDESC32 *PNTKCONTEXTDESC32;
+/** Pointer to a const 32bit [GI]DT descriptor. */
+typedef const NTKCONTEXTDESC32 *PCNTKCONTEXTDESC32;
+
+
+/**
+ * 32bit Kernel context as queried by KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE
+ */
+typedef struct NTKCONTEXT32
+{
+ /** CR0 register. */
+ uint32_t u32RegCr0;
+ /** CR2 register. */
+ uint32_t u32RegCr2;
+ /** CR3 register. */
+ uint32_t u32RegCr3;
+ /** CR4 register. */
+ uint32_t u32RegCr4;
+ /** DR0 register. */
+ uint32_t u32RegDr0;
+ /** DR1 register. */
+ uint32_t u32RegDr1;
+ /** DR2 register. */
+ uint32_t u32RegDr2;
+ /** DR3 register. */
+ uint32_t u32RegDr3;
+ /** DR6 register. */
+ uint32_t u32RegDr6;
+ /** DR7 register. */
+ uint32_t u32RegDr7;
+ /** GDTR. */
+ NTKCONTEXTDESC32 Gdtr;
+ /** IDTR. */
+ NTKCONTEXTDESC32 Idtr;
+ /** TR register. */
+ uint16_t u16RegTr;
+ /** LDTR register. */
+ uint16_t u16RegLdtr;
+ /** Padding. */
+ uint8_t abPad[24];
+} NTKCONTEXT32;
+AssertCompileSize(NTKCONTEXT32, 84);
+/** Pointer to an i386 NT context. */
+typedef NTKCONTEXT32 *PNTKCONTEXT32;
+/** Pointer to a const i386 NT context. */
+typedef const NTKCONTEXT32 *PCNTKCONTEXT32;
+
+
+/** x86 context. */
+#define NTCONTEXT_F_X86 UINT32_C(0x00010000)
+/** AMD64 context. */
+#define NTCONTEXT_F_AMD64 UINT32_C(0x00100000)
+/** Control registers valid (CS, (R)SP, (R)IP, FLAGS and BP). */
+#define NTCONTEXT_F_CONTROL RT_BIT_32(0)
+/** Integer registers valid. */
+#define NTCONTEXT_F_INTEGER RT_BIT_32(1)
+/** Segment registers valid. */
+#define NTCONTEXT_F_SEGMENTS RT_BIT_32(2)
+/** Floating point registers valid. */
+#define NTCONTEXT_F_FLOATING_POINT RT_BIT_32(3)
+/** Debug registers valid. */
+#define NTCONTEXT_F_DEBUG RT_BIT_32(4)
+/** Extended registers valid (x86 only). */
+#define NTCONTEXT_F_EXTENDED RT_BIT_32(5)
+/** Full x86 context valid. */
+#define NTCONTEXT32_F_FULL (NTCONTEXT_F_X86 | NTCONTEXT_F_CONTROL | NTCONTEXT_F_INTEGER | NTCONTEXT_F_SEGMENTS)
+/** Full amd64 context valid. */
+#define NTCONTEXT64_F_FULL (NTCONTEXT_F_AMD64 | NTCONTEXT_F_CONTROL | NTCONTEXT_F_INTEGER | NTCONTEXT_F_SEGMENTS)
+
+
+/**
+ * 32bit exception record.
+ */
+typedef struct KDPACKETEXCP32
+{
+ /** The exception code identifying the excpetion. */
+ uint32_t u32ExcpCode;
+ /** Flags associated with the exception. */
+ uint32_t u32ExcpFlags;
+ /** Pointer to a chained exception record. */
+ uint32_t u32PtrExcpRecNested;
+ /** Address where the exception occurred. */
+ uint32_t u32PtrExcpAddr;
+ /** Number of parameters in the exception information array. */
+ uint32_t cExcpParms;
+ /** Exception parameters array. */
+ uint32_t au32ExcpParms[KDPACKETEXCP_PARMS_MAX];
+} KDPACKETEXCP32;
+AssertCompileSize(KDPACKETEXCP32, 80);
+/** Pointer to an exception record. */
+typedef KDPACKETEXCP32 *PKDPACKETEXCP32;
+/** Pointer to a const exception record. */
+typedef const KDPACKETEXCP32 *PCKDPACKETEXCP32;
+
+
+/** @name Exception codes.
+ * @{ */
+/** A breakpoint was hit. */
+#define KD_PACKET_EXCP_CODE_BKPT UINT32_C(0x80000003)
+/** An instruction was single stepped. */
+#define KD_PACKET_EXCP_CODE_SINGLE_STEP UINT32_C(0x80000004)
+/** @} */
+
+
+/** Maximum number of bytes in the instruction stream. */
+#define KD_PACKET_CTRL_REPORT_INSN_STREAM_MAX 16
+
+/**
+ * 64bit control report record.
+ */
+typedef struct KDPACKETCTRLREPORT64
+{
+ /** Value of DR6. */
+ uint64_t u64RegDr6;
+ /** Value of DR7. */
+ uint64_t u64RegDr7;
+ /** EFLAGS. */
+ uint32_t u32RegEflags;
+ /** Number of instruction bytes in the instruction stream. */
+ uint16_t cbInsnStream;
+ /** Report flags. */
+ uint16_t fFlags;
+ /** The instruction stream. */
+ uint8_t abInsn[KD_PACKET_CTRL_REPORT_INSN_STREAM_MAX];
+ /** CS selector. */
+ uint16_t u16SegCs;
+ /** DS selector. */
+ uint16_t u16SegDs;
+ /** ES selector. */
+ uint16_t u16SegEs;
+ /** FS selector. */
+ uint16_t u16SegFs;
+} KDPACKETCTRLREPORT64;
+AssertCompileSize(KDPACKETCTRLREPORT64, 2 * 8 + 4 + 2 * 2 + 16 + 4 * 2);
+/** Pointer to a control report record. */
+typedef KDPACKETCTRLREPORT64 *PKDPACKETCTRLREPORT64;
+/** Pointer to a const control report record. */
+typedef const KDPACKETCTRLREPORT64 *PCKDPACKETCTRLREPORT64;
+
+
+/**
+ * 64bit state change packet body.
+ */
+typedef struct KDPACKETSTATECHANGE64
+{
+ /** The new state. */
+ uint32_t u32StateNew;
+ /** The processor level. */
+ uint16_t u16CpuLvl;
+ /** The processor ID generating the state change. */
+ uint16_t idCpu;
+ /** Number of processors in the system. */
+ uint32_t cCpus;
+ /** Alignment. */
+ uint32_t u32Alignment;
+ /** The thread ID currently executing when the state change occurred. */
+ uint64_t idThread;
+ /** Program counter of the thread. */
+ uint64_t u64RipThread;
+ /** Data based on the state. */
+ union
+ {
+ /** Exception occurred data. */
+ struct
+ {
+ /** The exception record. */
+ KDPACKETEXCP64 ExcpRec;
+ /** First chance(?). */
+ uint32_t u32FirstChance;
+ } Exception;
+ } u;
+ /** The control report */
+ union
+ {
+ /** AMD64 control report. */
+ KDPACKETCTRLREPORT64 Amd64;
+ } uCtrlReport;
+} KDPACKETSTATECHANGE64;
+//AssertCompileSize(KDPACKETSTATECHANGE64, 4 + 2 * 2 + 2 * 4 + 2 * 8 + sizeof(KDPACKETEXCP64) + 4 + sizeof(KDPACKETCTRLREPORT64));
+/** Pointer to a 64bit state change packet body. */
+typedef KDPACKETSTATECHANGE64 *PKDPACKETSTATECHANGE64;
+/** Pointer to a const 64bit state change packet body. */
+typedef const KDPACKETSTATECHANGE64 *PCKDPACKETSTATECHANGE64;
+
+
+/** @name State change state types.
+ * @{ */
+/** Minimum state change type. */
+#define KD_PACKET_STATE_CHANGE_MIN UINT32_C(0x00003030)
+/** An exception occured. */
+#define KD_PACKET_STATE_CHANGE_EXCEPTION KD_PACKET_STATE_CHANGE_MIN
+/** Symbols were loaded(?). */
+#define KD_PACKET_STATE_CHANGE_LOAD_SYMBOLS UINT32_C(0x00003031)
+/** Command string (custom command was executed?). */
+#define KD_PACKET_STATE_CHANGE_CMD_STRING UINT32_C(0x00003032)
+/** Maximum state change type (exclusive). */
+#define KD_PACKET_STATE_CHANGE_MAX UINT32_C(0x00003033)
+/** @} */
+
+
+/**
+ * Debug I/O payload.
+ */
+typedef struct KDPACKETDEBUGIO
+{
+ /** Debug I/O payload type (KD_PACKET_DEBUG_IO_STRING). */
+ uint32_t u32Type;
+ /** The processor level. */
+ uint16_t u16CpuLvl;
+ /** The processor ID generating this packet. */
+ uint16_t idCpu;
+ /** Type dependent data. */
+ union
+ {
+ /** Debug string sent. */
+ struct
+ {
+ /** Length of the string following in bytes. */
+ uint32_t cbStr;
+ /** Some padding it looks like. */
+ uint32_t u32Pad;
+ } Str;
+ /** Debug prompt. */
+ struct
+ {
+ /** Length of prompt. */
+ uint32_t cbPrompt;
+ /** Size of the string returned on success. */
+ uint32_t cbReturn;
+ } Prompt;
+ } u;
+} KDPACKETDEBUGIO;
+AssertCompileSize(KDPACKETDEBUGIO, 16);
+/** Pointer to a Debug I/O payload. */
+typedef KDPACKETDEBUGIO *PKDPACKETDEBUGIO;
+/** Pointer to a const Debug I/O payload. */
+typedef const KDPACKETDEBUGIO *PCKDPACKETDEBUGIO;
+
+
+/** @name Debug I/O types.
+ * @{ */
+/** Debug string output (usually DbgPrint() and friends). */
+#define KD_PACKET_DEBUG_IO_STRING UINT32_C(0x00003230)
+/** Get debug string (DbgPrompt()). */
+#define KD_PACKET_DEBUG_IO_GET_STRING UINT32_C(0x00003231)
+/** @} */
+
+
+/**
+ * 64bit get version manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_GETVERSION64
+{
+ /** Major version. */
+ uint16_t u16VersMaj;
+ /** Minor version. */
+ uint16_t u16VersMin;
+ /** Protocol version. */
+ uint8_t u8VersProtocol;
+ /** KD secondary version. */
+ uint8_t u8VersKdSecondary;
+ /** Flags. */
+ uint16_t fFlags;
+ /** Machine type. */
+ uint16_t u16MachineType;
+ /** Maximum packet type. */
+ uint8_t u8MaxPktType;
+ /** Maximum state change */
+ uint8_t u8MaxStateChange;
+ /** Maximum manipulate request ID. */
+ uint8_t u8MaxManipulate;
+ /** Some simulation flag. */
+ uint8_t u8Simulation;
+ /** Padding. */
+ uint16_t u16Padding;
+ /** Kernel base. */
+ uint64_t u64PtrKernBase;
+ /** Pointer of the loaded module list head. */
+ uint64_t u64PtrPsLoadedModuleList;
+ /** Pointer of the debugger data list. */
+ uint64_t u64PtrDebuggerDataList;
+} KDPACKETMANIPULATE_GETVERSION64;
+AssertCompileSize(KDPACKETMANIPULATE_GETVERSION64, 40);
+/** Pointer to a 64bit get version manipulate payload. */
+typedef KDPACKETMANIPULATE_GETVERSION64 *PKDPACKETMANIPULATE_GETVERSION64;
+/** Pointer to a const 64bit get version manipulate payload. */
+typedef const KDPACKETMANIPULATE_GETVERSION64 *PCKDPACKETMANIPULATE_GETVERSION64;
+
+
+/** @name Get version flags.
+ * @{ */
+/** Flag whether this is a multi processor kernel. */
+#define KD_PACKET_MANIPULATE64_GET_VERSION_F_MP RT_BIT_32(0)
+/** Flag whether the pointer is 64bit. */
+#define KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64 RT_BIT_32(2)
+/** @} */
+
+
+/**
+ * 64bit memory transfer manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_XFERMEM64
+{
+ /** Target base address. */
+ uint64_t u64PtrTarget;
+ /** Requested number of bytes to transfer*/
+ uint32_t cbXferReq;
+ /** Number of bytes actually transferred (response). */
+ uint32_t cbXfered;
+ /** Some padding?. */
+ uint64_t au64Pad[3];
+} KDPACKETMANIPULATE_XFERMEM64;
+AssertCompileSize(KDPACKETMANIPULATE_XFERMEM64, 40);
+/** Pointer to a 64bit memory transfer manipulate payload. */
+typedef KDPACKETMANIPULATE_XFERMEM64 *PKDPACKETMANIPULATE_XFERMEM64;
+/** Pointer to a const 64bit memory transfer manipulate payload. */
+typedef const KDPACKETMANIPULATE_XFERMEM64 *PCKDPACKETMANIPULATE_XFERMEM64;
+
+
+/**
+ * 64bit control space transfer manipulate payload.
+ *
+ * @note Same layout as the memory transfer but the pointer has a different meaning so
+ * we moved it into a separate request structure.
+ */
+typedef struct KDPACKETMANIPULATE_XFERCTRLSPACE64
+{
+ /** Identifier of the item to transfer in the control space. */
+ uint64_t u64IdXfer;
+ /** Requested number of bytes to transfer*/
+ uint32_t cbXferReq;
+ /** Number of bytes actually transferred (response). */
+ uint32_t cbXfered;
+ /** Some padding?. */
+ uint64_t au64Pad[3];
+} KDPACKETMANIPULATE_XFERCTRLSPACE64;
+AssertCompileSize(KDPACKETMANIPULATE_XFERCTRLSPACE64, 40);
+/** Pointer to a 64bit memory transfer manipulate payload. */
+typedef KDPACKETMANIPULATE_XFERCTRLSPACE64 *PKDPACKETMANIPULATE_XFERCTRLSPACE64;
+/** Pointer to a const 64bit memory transfer manipulate payload. */
+typedef const KDPACKETMANIPULATE_XFERCTRLSPACE64 *PCKDPACKETMANIPULATE_XFERCTRLSPACE64;
+
+
+/** @name Known control space identifiers.
+ * @{ */
+/** Read/Write KPCR address. */
+#define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR UINT64_C(0)
+/** Read/Write KPCRB address. */
+#define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB UINT64_C(1)
+/** Read/Write Kernel context. */
+#define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX UINT64_C(2)
+/** Read/Write current kernel thread. */
+#define KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD UINT64_C(3)
+/** @} */
+
+
+/**
+ * 64bit restore breakpoint manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_RESTOREBKPT64
+{
+ /** The breakpoint handle to restore. */
+ uint32_t u32HndBkpt;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[36];
+} KDPACKETMANIPULATE_RESTOREBKPT64;
+AssertCompileSize(KDPACKETMANIPULATE_RESTOREBKPT64, 40);
+/** Pointer to a 64bit restore breakpoint manipulate payload. */
+typedef KDPACKETMANIPULATE_RESTOREBKPT64 *PKDPACKETMANIPULATE_RESTOREBKPT64;
+/** Pointer to a const 64bit restore breakpoint manipulate payload. */
+typedef const KDPACKETMANIPULATE_RESTOREBKPT64 *PCKDPACKETMANIPULATE_RESTOREBKPT64;
+
+
+/**
+ * 64bit write breakpoint manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_WRITEBKPT64
+{
+ /** Where to write the breakpoint. */
+ uint64_t u64PtrBkpt;
+ /** The breakpoint handle returned in the response. */
+ uint32_t u32HndBkpt;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[28];
+} KDPACKETMANIPULATE_WRITEBKPT64;
+AssertCompileSize(KDPACKETMANIPULATE_WRITEBKPT64, 40);
+/** Pointer to a 64bit write breakpoint manipulate payload. */
+typedef KDPACKETMANIPULATE_WRITEBKPT64 *PKDPACKETMANIPULATE_WRITEBKPT64;
+/** Pointer to a const 64bit write breakpoint manipulate payload. */
+typedef const KDPACKETMANIPULATE_WRITEBKPT64 *PCKDPACKETMANIPULATE_WRITEBKPT64;
+
+
+/**
+ * Context extended manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_CONTEXTEX
+{
+ /** Where to start copying the context. */
+ uint32_t offStart;
+ /** Number of bytes to transfer. */
+ uint32_t cbXfer;
+ /** Number of bytes actually transfered. */
+ uint32_t cbXfered;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[28];
+} KDPACKETMANIPULATE_CONTEXTEX;
+AssertCompileSize(KDPACKETMANIPULATE_CONTEXTEX, 40);
+/** Pointer to a context extended manipulate payload. */
+typedef KDPACKETMANIPULATE_CONTEXTEX *PKDPACKETMANIPULATE_CONTEXTEX;
+/** Pointer to a const context extended manipulate payload. */
+typedef const KDPACKETMANIPULATE_CONTEXTEX *PCKDPACKETMANIPULATE_CONTEXTEX;
+
+
+/**
+ * Continue manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_CONTINUE
+{
+ /** Continue (status?). */
+ uint32_t u32NtContSts;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[36];
+} KDPACKETMANIPULATE_CONTINUE;
+AssertCompileSize(KDPACKETMANIPULATE_CONTINUE, 40);
+/** Pointer to a continue manipulate payload. */
+typedef KDPACKETMANIPULATE_CONTINUE *PKDPACKETMANIPULATE_CONTINUE;
+/** Pointer to a const continue manipulate payload. */
+typedef const KDPACKETMANIPULATE_CONTINUE *PCKDPACKETMANIPULATE_CONTINUE;
+
+
+/**
+ * Continue 2 manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_CONTINUE2
+{
+ /** Continue (status?). */
+ uint32_t u32NtContSts;
+ /** Trace flag. */
+ uint32_t fTrace;
+ /** Bitsize dependent data. */
+ union
+ {
+ /** 32bit. */
+ struct
+ {
+ /** DR7 value to continue with. */
+ uint32_t u32RegDr7;
+ /** @todo (?) */
+ uint32_t u32SymCurStart;
+ uint32_t u32SymCurEnd;
+ } x86;
+ /** 64bit. */
+ struct
+ {
+ /** DR7 value to continue with. */
+ uint64_t u64RegDr7;
+ /** @todo (?) */
+ uint64_t u64SymCurStart;
+ uint64_t u64SymCurEnd;
+ } amd64;
+ } u;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[8];
+} KDPACKETMANIPULATE_CONTINUE2;
+AssertCompileSize(KDPACKETMANIPULATE_CONTINUE2, 40);
+/** Pointer to a continue 2 manipulate payload. */
+typedef KDPACKETMANIPULATE_CONTINUE2 *PKDPACKETMANIPULATE_CONTINUE2;
+/** Pointer to a const continue 2 manipulate payload. */
+typedef const KDPACKETMANIPULATE_CONTINUE2 *PCKDPACKETMANIPULATE_CONTINUE2;
+
+
+/**
+ * Set context manipulate payload.
+ */
+typedef struct KDPACKETMANIPULATE_SETCONTEXT
+{
+ /** Continue (status?). */
+ uint32_t u32CtxFlags;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[36];
+} KDPACKETMANIPULATE_SETCONTEXT;
+AssertCompileSize(KDPACKETMANIPULATE_SETCONTEXT, 40);
+/** Pointer to a set context manipulate payload. */
+typedef KDPACKETMANIPULATE_SETCONTEXT *PKDPACKETMANIPULATE_SETCONTEXT;
+/** Pointer to a const set context manipulate payload. */
+typedef const KDPACKETMANIPULATE_SETCONTEXT *PCKDPACKETMANIPULATE_SETCONTEXT;
+
+
+/**
+ * Query memory properties payload.
+ */
+typedef struct KDPACKETMANIPULATE_QUERYMEMORY
+{
+ /** The address to query the properties for. */
+ uint64_t u64GCPtr;
+ /** Reserved. */
+ uint64_t u64Rsvd;
+ /** Address space type on return. */
+ uint32_t u32AddrSpace;
+ /** Protection flags. */
+ uint32_t u32Flags;
+ /** Blows up the request to the required size. */
+ uint8_t abPad[16];
+} KDPACKETMANIPULATE_QUERYMEMORY;
+AssertCompileSize(KDPACKETMANIPULATE_QUERYMEMORY, 40);
+/** Pointer to a query memory properties payload. */
+typedef KDPACKETMANIPULATE_QUERYMEMORY *PKDPACKETMANIPULATE_QUERYMEMORY;
+/** Pointer to a const query memory properties payload. */
+typedef const KDPACKETMANIPULATE_QUERYMEMORY *PCKDPACKETMANIPULATE_QUERYMEMORY;
+
+
+/** @name Query memory address space identifiers.
+ * @{ */
+/** Process memory space. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_PROCESS UINT32_C(0)
+/** Session memory space. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_SESSION UINT32_C(1)
+/** Kernel memory space. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL UINT32_C(2)
+/** @} */
+
+
+/** @name Query memory address protection flags.
+ * @{ */
+/** Readable. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ RT_BIT_32(0)
+/** Writable. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE RT_BIT_32(1)
+/** Executable. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC RT_BIT_32(2)
+/** Fixed address. */
+#define KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_FIXED RT_BIT_32(3)
+/** @} */
+
+
+/**
+ * Search memory payload.
+ */
+typedef struct KDPACKETMANIPULATE_SEARCHMEMORY
+{
+ /** The address to start searching at on input, found address on output. */
+ uint64_t u64GCPtr;
+ /** Number of bytes to search. */
+ uint64_t cbSearch;
+ /** Length of the pattern to search for following the payload. */
+ uint32_t cbPattern;
+ /** Padding to the required size. */
+ uint32_t au32Pad[5];
+} KDPACKETMANIPULATE_SEARCHMEMORY;
+AssertCompileSize(KDPACKETMANIPULATE_SEARCHMEMORY, 40);
+/** Pointer to a search memory properties payload. */
+typedef KDPACKETMANIPULATE_SEARCHMEMORY *PKDPACKETMANIPULATE_SEARCHMEMORY;
+/** Pointer to a const search memory properties payload. */
+typedef const KDPACKETMANIPULATE_SEARCHMEMORY *PCKDPACKETMANIPULATE_SEARCHMEMORY;
+
+
+/**
+ * Manipulate request packet header (Same for 32bit and 64bit).
+ */
+typedef struct KDPACKETMANIPULATEHDR
+{
+ /** The request to execute. */
+ uint32_t idReq;
+ /** The processor level to execute the request on. */
+ uint16_t u16CpuLvl;
+ /** The processor ID to execute the request on. */
+ uint16_t idCpu;
+ /** Return status code. */
+ uint32_t u32NtStatus;
+ /** Alignment. */
+ uint32_t u32Alignment;
+} KDPACKETMANIPULATEHDR;
+AssertCompileSize(KDPACKETMANIPULATEHDR, 3 * 4 + 2 * 2);
+/** Pointer to a manipulate request packet header. */
+typedef KDPACKETMANIPULATEHDR *PKDPACKETMANIPULATEHDR;
+/** Pointer to a const manipulate request packet header. */
+typedef const KDPACKETMANIPULATEHDR *PCPKDPACKETMANIPULATEHDR;
+
+
+/**
+ * 64bit manipulate state request packet.
+ */
+typedef struct KDPACKETMANIPULATE64
+{
+ /** Header. */
+ KDPACKETMANIPULATEHDR Hdr;
+ /** Request payloads. */
+ union
+ {
+ /** Get Version. */
+ KDPACKETMANIPULATE_GETVERSION64 GetVersion;
+ /** Read/Write memory. */
+ KDPACKETMANIPULATE_XFERMEM64 XferMem;
+ /** Continue. */
+ KDPACKETMANIPULATE_CONTINUE Continue;
+ /** Continue2. */
+ KDPACKETMANIPULATE_CONTINUE2 Continue2;
+ /** Set context. */
+ KDPACKETMANIPULATE_SETCONTEXT SetContext;
+ /** Read/Write control space. */
+ KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace;
+ /** Restore breakpoint. */
+ KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt;
+ /** Write breakpoint. */
+ KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt;
+ /** Context extended. */
+ KDPACKETMANIPULATE_CONTEXTEX ContextEx;
+ /** Query memory. */
+ KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
+ /** Search memory. */
+ KDPACKETMANIPULATE_SEARCHMEMORY SearchMemory;
+ } u;
+} KDPACKETMANIPULATE64;
+AssertCompileSize(KDPACKETMANIPULATE64, 16 + 40);
+/** Pointer to a 64bit manipulate state request packet. */
+typedef KDPACKETMANIPULATE64 *PKDPACKETMANIPULATE64;
+/** Pointer to a const 64bit manipulate state request packet. */
+typedef const KDPACKETMANIPULATE64 *PCKDPACKETMANIPULATE64;
+
+/** @name Manipulate requests.
+ * @{ */
+/** Minimum available request. */
+#define KD_PACKET_MANIPULATE_REQ_MIN UINT32_C(0x00003130)
+/** Read virtual memory request. */
+#define KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM KD_PACKET_MANIPULATE_REQ_MIN
+/** Write virtual memory request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM UINT32_C(0x00003131)
+/** Get context request. */
+#define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT UINT32_C(0x00003132)
+/** Set context request. */
+#define KD_PACKET_MANIPULATE_REQ_SET_CONTEXT UINT32_C(0x00003133)
+/** Write breakpoint request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT UINT32_C(0x00003134)
+/** Restore breakpoint request. */
+#define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT UINT32_C(0x00003135)
+/** Continue request. */
+#define KD_PACKET_MANIPULATE_REQ_CONTINUE UINT32_C(0x00003136)
+/** Read control space request. */
+#define KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE UINT32_C(0x00003137)
+/** Write control space request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE UINT32_C(0x00003138)
+/** Read I/O space request. */
+#define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE UINT32_C(0x00003139)
+/** Write I/O space request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE UINT32_C(0x0000313a)
+/** Reboot request. */
+#define KD_PACKET_MANIPULATE_REQ_REBOOT UINT32_C(0x0000313b)
+/** continue 2nd version request. */
+#define KD_PACKET_MANIPULATE_REQ_CONTINUE2 UINT32_C(0x0000313c)
+/** Read physical memory request. */
+#define KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM UINT32_C(0x0000313d)
+/** Write physical memory request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM UINT32_C(0x0000313e)
+/** Query special calls request. */
+#define KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS UINT32_C(0x0000313f)
+/** Set special calls request. */
+#define KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS UINT32_C(0x00003140)
+/** Clear special calls request. */
+#define KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS UINT32_C(0x00003141)
+/** Set internal breakpoint request. */
+#define KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT UINT32_C(0x00003142)
+/** Get internal breakpoint request. */
+#define KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT UINT32_C(0x00003143)
+/** Read I/O space extended request. */
+#define KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX UINT32_C(0x00003144)
+/** Write I/O space extended request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX UINT32_C(0x00003145)
+/** Get version request. */
+#define KD_PACKET_MANIPULATE_REQ_GET_VERSION UINT32_C(0x00003146)
+/** Write breakpoint extended request. */
+#define KD_PACKET_MANIPULATE_REQ_WRITE_BKPT_EX UINT32_C(0x00003147)
+/** Restore breakpoint extended request. */
+#define KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT_EX UINT32_C(0x00003148)
+/** Cause a bugcheck request. */
+#define KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK UINT32_C(0x00003149)
+/** Cause a bugcheck request. */
+#define KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR UINT32_C(0x00003150)
+/** @todo 0x3151-0x3155 */
+/** Search memory for a pattern request. */
+#define KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY UINT32_C(0x00003156)
+/** @todo 0x3157-0x3159 */
+/** Clear all internal breakpoints request. */
+#define KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT UINT32_C(0x0000315a)
+/** Fill memory. */
+#define KD_PACKET_MANIPULATE_REQ_FILL_MEMORY UINT32_C(0x0000315b)
+/** Query memory properties. */
+#define KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY UINT32_C(0x0000315c)
+/** @todo 0x315d, 0x315e */
+/** Get context extended request. */
+#define KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX UINT32_C(0x0000315f)
+/** @todo 0x3160 */
+/** Maximum available request (exclusive). */
+#define KD_PACKET_MANIPULATE_REQ_MAX UINT32_C(0x00003161)
+/** @} */
+
+/**
+ * KD stub receive state.
+ */
+typedef enum KDRECVSTATE
+{
+ /** Invalid state. */
+ KDRECVSTATE_INVALID = 0,
+ /** Receiving the first byte of the packet header. */
+ KDRECVSTATE_PACKET_HDR_FIRST_BYTE,
+ /** Receiving the second byte of the packet header. */
+ KDRECVSTATE_PACKET_HDR_SECOND_BYTE,
+ /** Receiving the header. */
+ KDRECVSTATE_PACKET_HDR,
+ /** Receiving the packet body. */
+ KDRECVSTATE_PACKET_BODY,
+ /** Receiving the trailing byte. */
+ KDRECVSTATE_PACKET_TRAILER,
+ /** Blow up the enum to 32bits for easier alignment of members in structs. */
+ KDRECVSTATE_32BIT_HACK = 0x7fffffff
+} KDRECVSTATE;
+
+
+/**
+ * KD emulated hardware breakpoint.
+ */
+typedef struct KDCTXHWBP
+{
+ /** The DBGF breakpoint handle if active, NIL_DBGFBP if not active. */
+ DBGFBP hDbgfBp;
+ /** The linear address of the breakpoint if active. */
+ RTGCPTR GCPtrBp;
+ /** Access type of the breakpoint, see X86_DR7_RW_*. */
+ uint8_t fAcc;
+ /** Length flags of the breakpoint. */
+ uint8_t fLen;
+ /** Flag whether it is a local breakpoint. */
+ bool fLocal;
+ /** Flag whether it is a global breakpoint. */
+ bool fGlobal;
+ /** Flag whether the breakpoint has triggered since the last time of the reset. */
+ bool fTriggered;
+} KDCTXHWBP;
+/** Pointer to an emulated hardware breakpoint. */
+typedef KDCTXHWBP *PKDCTXHWBP;
+/** Pointer to a const emulated hardware breakpoint. */
+typedef const KDCTXHWBP *PCKDCTXHWBP;
+
+
+/**
+ * KD context data.
+ */
+typedef struct KDCTX
+{
+ /** Internal debugger console data. */
+ DBGC Dbgc;
+ /** Number of bytes received left for the current state. */
+ size_t cbRecvLeft;
+ /** Pointer where to write the next received data. */
+ uint8_t *pbRecv;
+ /** The current state when receiving a new packet. */
+ KDRECVSTATE enmState;
+ /** The timeout waiting for new data. */
+ RTMSINTERVAL msRecvTimeout;
+ /** Timestamp when we last received data from the remote end. */
+ uint64_t tsRecvLast;
+ /** Packet header being received. */
+ union
+ {
+ KDPACKETHDR Fields;
+ uint8_t ab[16];
+ } PktHdr;
+ /** The next packet ID to send. */
+ uint32_t idPktNext;
+ /** Offset into the body receive buffer. */
+ size_t offBodyRecv;
+ /** Body data. */
+ uint8_t abBody[_4K];
+ /** The trailer byte storage. */
+ uint8_t bTrailer;
+ /** Flag whether a breakin packet was received since the last time it was reset. */
+ bool fBreakinRecv;
+ /** Flag whether we entered the native VBox hypervisor through a bugcheck request. */
+ bool fInVBoxDbg;
+
+ /** Emulated hardware breakpoint handling. */
+ KDCTXHWBP aHwBp[4];
+ /** Flag whether a single step completed since last time this was cleared. */
+ bool fSingleStepped;
+
+ /** Pointer to the OS digger WinNt interface if a matching guest was detected. */
+ PDBGFOSIWINNT pIfWinNt;
+ /** Flag whether the detected guest is 32bit (false if 64bit). */
+ bool f32Bit;
+} KDCTX;
+/** Pointer to the KD context data. */
+typedef KDCTX *PKDCTX;
+/** Pointer to const KD context data. */
+typedef const KDCTX *PCKDCTX;
+/** Pointer to a KD context data pointer. */
+typedef PKDCTX *PPKDCTX;
+
+
+/**
+ * Register mapping descriptor.
+ */
+typedef struct KDREGDESC
+{
+ /** The DBGF register enum. */
+ DBGFREG enmReg;
+ /** Register width. */
+ DBGFREGVALTYPE enmValType;
+ /** The offset into the context structure where the value ends up. */
+ uintptr_t offReg;
+} KDREGDESC;
+/** Pointer to a register mapping structure. */
+typedef KDREGDESC *PKDREGDESC;
+/** Pointer to a const register mapping structure. */
+typedef const KDREGDESC *PCKDREGDESC;
+
+
+/** Creates a possibly sign extended guest context pointer which is required for 32bit targets. */
+#define KD_PTR_CREATE(a_pThis, a_GCPtr) ((a_pThis)->f32Bit && ((a_GCPtr) & RT_BIT_32(31)) ? (a_GCPtr) | UINT64_C(0xffffffff00000000) : (a_GCPtr))
+/** Returns the value of a possibly sign extended guest context pointer received for 32bit targets. */
+#define KD_PTR_GET(a_pThis, a_GCPtr) ((a_pThis)->f32Bit ? (a_GCPtr) & ~UINT64_C(0xffffffff00000000) : (a_GCPtr))
+
+
+/*********************************************************************************************************************************
+* Global Variables *
+*********************************************************************************************************************************/
+
+/** 64bit control register set. */
+static const KDREGDESC g_aRegsCtrl64[] =
+{
+ { DBGFREG_CS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegCs) },
+ { DBGFREG_SS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegSs) },
+ { DBGFREG_RIP, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRip) },
+ { DBGFREG_RSP, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRsp) },
+ { DBGFREG_RBP, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRbp) },
+ { DBGFREG_EFLAGS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, u32RegEflags) }
+};
+
+
+/** 64bit integer register set. */
+static const KDREGDESC g_aRegsInt64[] =
+{
+ { DBGFREG_RAX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRax) },
+ { DBGFREG_RCX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRcx) },
+ { DBGFREG_RDX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRdx) },
+ { DBGFREG_RBX, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRbx) },
+ { DBGFREG_RSI, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRsi) },
+ { DBGFREG_RDI, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegRdi) },
+ { DBGFREG_R8, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR8) },
+ { DBGFREG_R9, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR9) },
+ { DBGFREG_R10, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR10) },
+ { DBGFREG_R11, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR11) },
+ { DBGFREG_R12, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR12) },
+ { DBGFREG_R13, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR13) },
+ { DBGFREG_R14, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR14) },
+ { DBGFREG_R15, DBGFREGVALTYPE_U64, RT_UOFFSETOF(NTCONTEXT64, u64RegR15) }
+};
+
+
+/** 64bit segments register set. */
+static const KDREGDESC g_aRegsSegs64[] =
+{
+ { DBGFREG_DS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegDs) },
+ { DBGFREG_ES, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegEs) },
+ { DBGFREG_FS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegFs) },
+ { DBGFREG_GS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, u16SegGs) }
+};
+
+
+/** 64bit floating point register set. */
+static const KDREGDESC g_aRegsFx64[] =
+{
+ { DBGFREG_FCW, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FCW) },
+ { DBGFREG_FSW, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FSW) },
+ { DBGFREG_FTW, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FTW) },
+ { DBGFREG_FOP, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.FOP) },
+ { DBGFREG_FPUIP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.FPUIP) },
+ /// @todo Fails on Solaris { DBGFREG_FPUCS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.CS) },
+ { DBGFREG_FPUDP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.FPUDP) },
+ /// @todo Fails on Solaris { DBGFREG_FPUDS, DBGFREGVALTYPE_U16, RT_UOFFSETOF(NTCONTEXT64, FxSave.DS) },
+ { DBGFREG_MXCSR, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.MXCSR) },
+ { DBGFREG_MXCSR_MASK, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT64, FxSave.MXCSR_MASK) },
+ { DBGFREG_ST0, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[0]) },
+ { DBGFREG_ST1, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[1]) },
+ { DBGFREG_ST2, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[2]) },
+ { DBGFREG_ST3, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[3]) },
+ { DBGFREG_ST4, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[4]) },
+ { DBGFREG_ST5, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[5]) },
+ { DBGFREG_ST6, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[6]) },
+ { DBGFREG_ST7, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT64, FxSave.aRegs[7]) },
+ { DBGFREG_XMM0, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[0]) },
+ { DBGFREG_XMM1, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[1]) },
+ { DBGFREG_XMM2, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[2]) },
+ { DBGFREG_XMM3, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[3]) },
+ { DBGFREG_XMM4, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[4]) },
+ { DBGFREG_XMM5, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[5]) },
+ { DBGFREG_XMM6, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[6]) },
+ { DBGFREG_XMM7, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[7]) },
+ { DBGFREG_XMM8, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[8]) },
+ { DBGFREG_XMM9, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[9]) },
+ { DBGFREG_XMM10, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[10]) },
+ { DBGFREG_XMM11, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[11]) },
+ { DBGFREG_XMM12, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[12]) },
+ { DBGFREG_XMM13, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[13]) },
+ { DBGFREG_XMM14, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[14]) },
+ { DBGFREG_XMM15, DBGFREGVALTYPE_U128, RT_UOFFSETOF(NTCONTEXT64, FxSave.aXMM[15]) }
+};
+
+
+/** 32bit control register set. */
+static const KDREGDESC g_aRegsCtrl32[] =
+{
+ { DBGFREG_CS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegCs) },
+ { DBGFREG_SS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegSs) },
+ { DBGFREG_EIP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEip) },
+ { DBGFREG_ESP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEsp) },
+ { DBGFREG_EBP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEbp) },
+ { DBGFREG_EFLAGS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEflags) }
+};
+
+
+/** 32bit integer register set. */
+static const KDREGDESC g_aRegsInt32[] =
+{
+ { DBGFREG_EAX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEax) },
+ { DBGFREG_ECX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEcx) },
+ { DBGFREG_EDX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEdx) },
+ { DBGFREG_EBX, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEbx) },
+ { DBGFREG_ESI, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEsi) },
+ { DBGFREG_EDI, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegEdi) }
+};
+
+
+/** 32bit segments register set. */
+static const KDREGDESC g_aRegsSegs32[] =
+{
+ { DBGFREG_DS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegDs) },
+ { DBGFREG_ES, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegEs) },
+ { DBGFREG_FS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegFs) },
+ { DBGFREG_GS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32SegGs) }
+};
+
+
+/** 32bit debug register set. */
+static const KDREGDESC g_aRegsDbg32[] =
+{
+ { DBGFREG_DR0, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr0) },
+ { DBGFREG_DR1, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr1) },
+ { DBGFREG_DR2, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr2) },
+ { DBGFREG_DR3, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr3) },
+ { DBGFREG_DR6, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr6) },
+ { DBGFREG_DR7, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, u32RegDr7) }
+};
+
+
+/** 32bit floating point register set. */
+static const KDREGDESC g_aRegsFx32[] =
+{
+ { DBGFREG_FCW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32CtrlWord) },
+ { DBGFREG_FSW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32StatusWord)},
+ { DBGFREG_FTW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32TagWord) },
+ { DBGFREG_FCW, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32CtrlWord) },
+ { DBGFREG_FPUIP, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32ErrorOff) },
+ { DBGFREG_FPUCS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32ErrorSel) },
+ { DBGFREG_FPUDS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32DataOff) },
+ { DBGFREG_FPUDS, DBGFREGVALTYPE_U32, RT_UOFFSETOF(NTCONTEXT32, FloatSave.u32DataSel) },
+ { DBGFREG_ST0, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[0]) },
+ { DBGFREG_ST1, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[1]) },
+ { DBGFREG_ST2, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[2]) },
+ { DBGFREG_ST3, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[3]) },
+ { DBGFREG_ST4, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[4]) },
+ { DBGFREG_ST5, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[5]) },
+ { DBGFREG_ST6, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[6]) },
+ { DBGFREG_ST7, DBGFREGVALTYPE_R80, RT_UOFFSETOF(NTCONTEXT32, FloatSave.aFpuRegs[7]) }
+};
+
+
+/*********************************************************************************************************************************
+* Internal Functions *
+*********************************************************************************************************************************/
+static void dbgcKdCtxMsgSend(PKDCTX pThis, bool fWarning, const char *pszMsg);
+
+
+#ifdef LOG_ENABLED
+/**
+ * Returns a human readable string of the given packet sub type.
+ *
+ * @returns Pointer to sub type string.
+ * @param u16SubType The sub type to convert to a string.
+ */
+static const char *dbgcKdPktDumpSubTypeToStr(uint16_t u16SubType)
+{
+ switch (u16SubType)
+ {
+ case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE32: return "StateChange32";
+ case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE: return "Manipulate";
+ case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO: return "DebugIo";
+ case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE: return "Ack";
+ case KD_PACKET_HDR_SUB_TYPE_RESEND: return "Resend";
+ case KD_PACKET_HDR_SUB_TYPE_RESET: return "Reset";
+ case KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64: return "StateChange64";
+ case KD_PACKET_HDR_SUB_TYPE_POLL_BREAKIN: return "PollBreakin";
+ case KD_PACKET_HDR_SUB_TYPE_TRACE_IO: return "TraceIo";
+ case KD_PACKET_HDR_SUB_TYPE_CONTROL_REQUEST: return "ControlRequest";
+ case KD_PACKET_HDR_SUB_TYPE_FILE_IO: return "FileIo";
+ default: break;
+ }
+
+ return "<UNKNOWN>";
+}
+
+
+/**
+ * Returns a human readable string of the given manipulate request ID.
+ *
+ * @returns Human readable string (read only).
+ * @param idReq Request ID (API number in KD speak).
+ */
+static const char *dbgcKdPktDumpManipulateReqToStr(uint32_t idReq)
+{
+ switch (idReq)
+ {
+ case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM: return "ReadVirtMem";
+ case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM: return "WriteVirtMem";
+ case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT: return "GetContext";
+ case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT: return "SetContext";
+ case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT: return "WriteBkpt";
+ case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT: return "RestoreBkpt";
+ case KD_PACKET_MANIPULATE_REQ_CONTINUE: return "Continue";
+ case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE: return "ReadCtrlSpace";
+ case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE: return "WriteCtrlSpace";
+ case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE: return "ReadIoSpace";
+ case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE: return "WriteIoSpace";
+ case KD_PACKET_MANIPULATE_REQ_REBOOT: return "Reboot";
+ case KD_PACKET_MANIPULATE_REQ_CONTINUE2: return "Continue2";
+ case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM: return "ReadPhysMem";
+ case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM: return "WritePhysMem";
+ case KD_PACKET_MANIPULATE_REQ_QUERY_SPEC_CALLS: return "QuerySpecCalls";
+ case KD_PACKET_MANIPULATE_REQ_SET_SPEC_CALLS: return "SetSpecCalls";
+ case KD_PACKET_MANIPULATE_REQ_CLEAR_SPEC_CALLS: return "ClrSpecCalls";
+ case KD_PACKET_MANIPULATE_REQ_SET_INTERNAL_BKPT: return "SetIntBkpt";
+ case KD_PACKET_MANIPULATE_REQ_GET_INTERNAL_BKPT: return "GetIntBkpt";
+ case KD_PACKET_MANIPULATE_REQ_READ_IO_SPACE_EX: return "ReadIoSpaceEx";
+ case KD_PACKET_MANIPULATE_REQ_WRITE_IO_SPACE_EX: return "WriteIoSpaceEx";
+ case KD_PACKET_MANIPULATE_REQ_GET_VERSION: return "GetVersion";
+ case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT: return "ClrAllIntBkpt";
+ case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX: return "GetContextEx";
+ case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY: return "QueryMemory";
+ case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK: return "CauseBugCheck";
+ case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR: return "SwitchProcessor";
+ case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY: return "SearchMemory";
+ default: break;
+ }
+
+ return "<UNKNOWN>";
+}
+
+
+/**
+ * Dumps the content of a manipulate packet.
+ *
+ * @param pSgBuf S/G buffer containing the manipulate packet payload.
+ */
+static void dbgcKdPktDumpManipulate(PRTSGBUF pSgBuf)
+{
+ KDPACKETMANIPULATEHDR Hdr;
+ size_t cbCopied = RTSgBufCopyToBuf(pSgBuf, &Hdr, sizeof(Hdr));
+
+ if (cbCopied == sizeof(Hdr))
+ {
+ const char *pszReq = dbgcKdPktDumpManipulateReqToStr(Hdr.idReq);
+
+ Log3((" MANIPULATE(%#x (%s), %#x, %u, %#x)\n",
+ Hdr.idReq, pszReq, Hdr.u16CpuLvl, Hdr.idCpu, Hdr.u32NtStatus));
+
+ switch (Hdr.idReq)
+ {
+ case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
+ case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
+ case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
+ case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
+ {
+ KDPACKETMANIPULATE_XFERMEM64 XferMem64;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferMem64, sizeof(XferMem64));
+ if (cbCopied == sizeof(XferMem64))
+ {
+ Log3((" u64PtrTarget: %RX64\n"
+ " cbXferReq: %RX32\n"
+ " cbXfered: %RX32\n",
+ XferMem64.u64PtrTarget, XferMem64.cbXferReq, XferMem64.cbXfered));
+ }
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferMem64), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
+ {
+ KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &RestoreBkpt64, sizeof(RestoreBkpt64));
+ if (cbCopied == sizeof(RestoreBkpt64))
+ Log3((" u32HndBkpt: %RX32\n", RestoreBkpt64.u32HndBkpt));
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(RestoreBkpt64), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
+ {
+ KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &WriteBkpt64, sizeof(WriteBkpt64));
+ if (cbCopied == sizeof(WriteBkpt64))
+ Log3((" u64PtrBkpt: %RX64\n"
+ " u32HndBkpt: %RX32\n",
+ WriteBkpt64.u64PtrBkpt, WriteBkpt64.u32HndBkpt));
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(WriteBkpt64), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_CONTINUE:
+ {
+ KDPACKETMANIPULATE_CONTINUE Continue;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
+ if (cbCopied == sizeof(Continue))
+ Log3((" u32NtContSts: %RX32\n", Continue.u32NtContSts));
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
+ {
+ KDPACKETMANIPULATE_CONTINUE2 Continue;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &Continue, sizeof(Continue));
+ if (cbCopied == sizeof(Continue))
+ Log3((" u32NtContSts: %RX32\n"
+ " fTrace: %RX32\n",
+ Continue.u32NtContSts, Continue.fTrace));
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(Continue), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
+ case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
+ {
+ KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &XferCtrlSpace64, sizeof(XferCtrlSpace64));
+ if (cbCopied == sizeof(XferCtrlSpace64))
+ {
+ Log3((" u64IdXfer: %RX64\n"
+ " cbXferReq: %RX32\n"
+ " cbXfered: %RX32\n",
+ XferCtrlSpace64.u64IdXfer, XferCtrlSpace64.cbXferReq, XferCtrlSpace64.cbXfered));
+ }
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(XferCtrlSpace64), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
+ {
+ KDPACKETMANIPULATE_CONTEXTEX GetContextEx;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &GetContextEx, sizeof(GetContextEx));
+ if (cbCopied == sizeof(GetContextEx))
+ {
+ Log3((" offStart: %RX32\n"
+ " cbXferReq: %RX32\n"
+ " cbXfered: %RX32\n",
+ GetContextEx.offStart, GetContextEx.cbXfer, GetContextEx.cbXfered));
+ }
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(GetContextEx), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
+ {
+ KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &QueryMemory, sizeof(QueryMemory));
+ if (cbCopied == sizeof(QueryMemory))
+ {
+ Log3((" u64GCPtr: %RX64\n"
+ " u32AddrSpace: %RX32\n"
+ " u32Flags: %RX32\n",
+ QueryMemory.u64GCPtr, QueryMemory.u32AddrSpace, QueryMemory.u32Flags));
+ }
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(QueryMemory), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY:
+ {
+ KDPACKETMANIPULATE_SEARCHMEMORY SearchMemory;
+ cbCopied = RTSgBufCopyToBuf(pSgBuf, &SearchMemory, sizeof(SearchMemory));
+ if (cbCopied == sizeof(SearchMemory))
+ {
+ Log3((" u64GCPtr: %RX64\n"
+ " cbSearch: %RX64\n"
+ " cbPattern: %RX32\n",
+ SearchMemory.u64GCPtr, SearchMemory.cbSearch, SearchMemory.cbPattern));
+ }
+ else
+ Log3((" Payload to small, expected %u, got %zu\n", sizeof(SearchMemory), cbCopied));
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:
+ default:
+ break;
+ }
+ }
+ else
+ Log3((" MANIPULATE(Header too small, expected %u, got %zu)\n", sizeof(Hdr), cbCopied));
+}
+
+
+/**
+ * Dumps the received packet to the debug log.
+ *
+ * @returns VBox status code.
+ * @param pPktHdr The packet header to dump.
+ * @param fRx Flag whether the packet was received (false indicates an outgoing packet).
+ */
+static void dbgcKdPktDump(PCKDPACKETHDR pPktHdr, PCRTSGSEG paSegs, uint32_t cSegs, bool fRx)
+{
+ RTSGBUF SgBuf;
+
+ RTSgBufInit(&SgBuf, paSegs, cSegs);
+
+ Log3(("%s KDPKTHDR(%#x, %#x (%s), %u, %#x, %#x)\n",
+ fRx ? "=>" : "<=",
+ pPktHdr->u32Signature, pPktHdr->u16SubType, dbgcKdPktDumpSubTypeToStr(pPktHdr->u16SubType),
+ pPktHdr->cbBody, pPktHdr->idPacket, pPktHdr->u32ChkSum));
+ switch (pPktHdr->u16SubType)
+ {
+ case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
+ dbgcKdPktDumpManipulate(&SgBuf);
+ break;
+ default:
+ break;
+ }
+}
+#endif
+
+
+/**
+ * Resets the emulated hardware breakpoint state to a state similar after a reboot.
+ *
+ * @param pThis The KD context.
+ */
+static void dbgcKdCtxHwBpReset(PKDCTX pThis)
+{
+ pThis->fSingleStepped = false;
+
+ for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
+ {
+ PKDCTXHWBP pBp = &pThis->aHwBp[i];
+
+ if (pBp->hDbgfBp != NIL_DBGFBP)
+ {
+ int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pBp->hDbgfBp);
+ AssertRC(rc);
+ }
+
+ pBp->hDbgfBp = NIL_DBGFBP;
+ pBp->GCPtrBp = 0;
+ pBp->fAcc = 0;
+ pBp->fLen = 0;
+ pBp->fLocal = false;
+ pBp->fGlobal = false;
+ pBp->fTriggered = false;
+ }
+}
+
+
+/**
+ * Updates the given breakpoint with the given properties.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pBp The breakpoint to update.
+ * @param fAcc Access mode.
+ * @param fLen Access length.
+ * @param fGlobal Global breakpoint.
+ * @param fLocal Local breakpoint.
+ * @param GCPtrBp Linear address of the breakpoint.
+ */
+static int dbgcKdCtxHwBpUpdate(PKDCTX pThis, PKDCTXHWBP pBp, uint8_t fAcc, uint8_t fLen,
+ bool fGlobal, bool fLocal, RTGCPTR GCPtrBp)
+{
+ int rc = VINF_SUCCESS;
+
+ /* Did anything actually change?. */
+ if ( pBp->fAcc != fAcc
+ || pBp->fLen != fLen
+ || pBp->fGlobal != fGlobal
+ || pBp->fLocal != fLocal
+ || pBp->GCPtrBp != GCPtrBp)
+ {
+ /* Clear the old breakpoint. */
+ if (pBp->hDbgfBp != NIL_DBGFBP)
+ {
+ rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pBp->hDbgfBp);
+ AssertRC(rc);
+ pBp->hDbgfBp = NIL_DBGFBP;
+ }
+
+ pBp->fAcc = fAcc;
+ pBp->fLen = fLen;
+ pBp->fGlobal = fGlobal;
+ pBp->fLocal = fLocal;
+ pBp->GCPtrBp = GCPtrBp;
+ if (pBp->fGlobal || pBp->fLocal)
+ {
+ DBGFADDRESS AddrBp;
+ DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrBp, GCPtrBp);
+
+ uint8_t cb = 0;
+ switch (pBp->fLen)
+ {
+ case X86_DR7_LEN_BYTE:
+ cb = 1;
+ break;
+ case X86_DR7_LEN_WORD:
+ cb = 2;
+ break;
+ case X86_DR7_LEN_DWORD:
+ cb = 4;
+ break;
+ case X86_DR7_LEN_QWORD:
+ cb = 8;
+ break;
+ default:
+ AssertFailed();
+ return VERR_NET_PROTOCOL_ERROR;
+ }
+
+ rc = DBGFR3BpSetReg(pThis->Dbgc.pUVM, &AddrBp, 0 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/,
+ pBp->fAcc, cb, &pBp->hDbgfBp);
+ }
+ }
+
+ return rc;
+}
+
+
+/**
+ * Updates emulated hardware breakpoints based on the written DR7 value.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param uDr7 The DR7 value which is written.
+ */
+static int dbgcKdCtxHwBpDr7Update(PKDCTX pThis, uint32_t uDr7)
+{
+ int rc = VINF_SUCCESS;
+
+ for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
+ {
+ PKDCTXHWBP pBp = &pThis->aHwBp[i];
+ uint8_t fAcc = X86_DR7_GET_RW(uDr7, i);
+ uint8_t fLen = X86_DR7_GET_LEN(uDr7, i);
+ bool fGlobal = (uDr7 & RT_BIT_32(1 + i * 2)) ? true : false;
+ bool fLocal = (uDr7 & RT_BIT_32(i * 2)) ? true : false;
+
+ int rc2 = dbgcKdCtxHwBpUpdate(pThis, pBp, fAcc, fLen, fGlobal, fLocal, pThis->aHwBp[i].GCPtrBp);
+ if ( RT_FAILURE(rc2)
+ && RT_SUCCESS(rc))
+ rc = rc2;
+ }
+
+ return rc;
+}
+
+
+/**
+ * Updates the linear guest pointer for the given hardware breakpoint.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pBp The breakpoint to update.
+ * @param GCPtrBp The linear breakpoint address.
+ */
+DECLINLINE(int) dbgcKdCtxHwBpGCPtrUpdate(PKDCTX pThis, PKDCTXHWBP pBp, RTGCPTR GCPtrBp)
+{
+ return dbgcKdCtxHwBpUpdate(pThis, pBp, pBp->fAcc, pBp->fLen, pBp->fGlobal, pBp->fLocal, GCPtrBp);
+}
+
+
+/**
+ * Calculates the DR7 value based on the emulated hardware breakpoint state and returns it.
+ *
+ * @returns The emulated DR7 value.
+ * @param pThis The KD context.
+ */
+static uint32_t dbgcKdCtxHwBpDr7Get(PKDCTX pThis)
+{
+ uint32_t uDr7 = 0;
+
+ uDr7 |= X86_DR7_RW(0, pThis->aHwBp[0].fAcc);
+ uDr7 |= X86_DR7_RW(1, pThis->aHwBp[1].fAcc);
+ uDr7 |= X86_DR7_RW(2, pThis->aHwBp[2].fAcc);
+ uDr7 |= X86_DR7_RW(3, pThis->aHwBp[3].fAcc);
+
+ uDr7 |= X86_DR7_LEN(0, pThis->aHwBp[0].fLen);
+ uDr7 |= X86_DR7_LEN(1, pThis->aHwBp[1].fLen);
+ uDr7 |= X86_DR7_LEN(2, pThis->aHwBp[2].fLen);
+ uDr7 |= X86_DR7_LEN(3, pThis->aHwBp[3].fLen);
+
+ uDr7 |= pThis->aHwBp[0].fGlobal ? X86_DR7_G(0) : 0;
+ uDr7 |= pThis->aHwBp[1].fGlobal ? X86_DR7_G(1) : 0;
+ uDr7 |= pThis->aHwBp[2].fGlobal ? X86_DR7_G(2) : 0;
+ uDr7 |= pThis->aHwBp[3].fGlobal ? X86_DR7_G(3) : 0;
+
+ uDr7 |= pThis->aHwBp[0].fLocal ? X86_DR7_L(0) : 0;
+ uDr7 |= pThis->aHwBp[1].fLocal ? X86_DR7_L(1) : 0;
+ uDr7 |= pThis->aHwBp[2].fLocal ? X86_DR7_L(2) : 0;
+ uDr7 |= pThis->aHwBp[3].fLocal ? X86_DR7_L(3) : 0;
+
+ return uDr7;
+}
+
+
+/**
+ * Updates emulated hardware breakpoints based on the written DR6 value.
+ *
+ * @param pThis The KD context.
+ * @param uDr6 The DR7 value which is written.
+ */
+static void dbgcKdCtxHwBpDr6Update(PKDCTX pThis, uint32_t uDr6)
+{
+ pThis->aHwBp[0].fTriggered = (uDr6 & X86_DR6_B0) ? true : false;
+ pThis->aHwBp[1].fTriggered = (uDr6 & X86_DR6_B1) ? true : false;
+ pThis->aHwBp[2].fTriggered = (uDr6 & X86_DR6_B2) ? true : false;
+ pThis->aHwBp[3].fTriggered = (uDr6 & X86_DR6_B3) ? true : false;
+ pThis->fSingleStepped = (uDr6 & X86_DR6_BS) ? true : false;
+}
+
+
+/**
+ * Calculates the DR6 value based on the emulated hardware breakpoint state and returns it.
+ *
+ * @returns The emulated DR6 value.
+ * @param pThis The KD context.
+ */
+static uint32_t dbgcKdCtxHwBpDr6Get(PKDCTX pThis)
+{
+ uint32_t uDr6 = 0;
+
+ if (pThis->aHwBp[0].fTriggered)
+ uDr6 |= X86_DR6_B0;
+ if (pThis->aHwBp[1].fTriggered)
+ uDr6 |= X86_DR6_B1;
+ if (pThis->aHwBp[2].fTriggered)
+ uDr6 |= X86_DR6_B2;
+ if (pThis->aHwBp[3].fTriggered)
+ uDr6 |= X86_DR6_B3;
+ if (pThis->fSingleStepped)
+ uDr6 |= X86_DR6_BS;
+
+ return uDr6;
+}
+
+
+/**
+ * Wrapper for the I/O interface write callback.
+ *
+ * @returns Status code.
+ * @param pThis The KD context.
+ * @param pvPkt The packet data to send.
+ * @param cbPkt Size of the packet in bytes.
+ */
+DECLINLINE(int) dbgcKdCtxWrite(PKDCTX pThis, const void *pvPkt, size_t cbPkt)
+{
+ return pThis->Dbgc.pIo->pfnWrite(pThis->Dbgc.pIo, pvPkt, cbPkt, NULL /*pcbWritten*/);
+}
+
+
+/**
+ * Queries a given register set and stores it into the given context buffer.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param paRegs The register set to query.
+ * @param cRegs Number of entries in the register set.
+ * @param pvCtx The context buffer to store the data into.
+ */
+static int dbgcKdCtxQueryRegs(PKDCTX pThis, VMCPUID idCpu, PCKDREGDESC paRegs, uint32_t cRegs, void *pvCtx)
+{
+ int rc = VINF_SUCCESS;
+
+ for (uint32_t i = 0; i < cRegs && rc == VINF_SUCCESS; i++)
+ {
+ void *pvStart = (uint8_t *)pvCtx + paRegs[i].offReg;
+
+ switch (paRegs[i].enmValType)
+ {
+ case DBGFREGVALTYPE_U16: rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (uint16_t *)pvStart); break;
+ case DBGFREGVALTYPE_U32: rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (uint32_t *)pvStart); break;
+ case DBGFREGVALTYPE_U64: rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (uint64_t *)pvStart); break;
+ //case DBGFREGVALTYPE_R80: rc = DBGFR3RegCpuQueryR80(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (RTFLOAT80U *)pvStart); break;
+ //case DBGFREGVALTYPE_U128: rc = DBGFR3RegCpuQueryU128(pThis->Dbgc.pUVM, idCpu, paRegs[i].enmReg, (PRTUINT128U)pvStart); break;
+ default: AssertMsgFailedBreakStmt(("Register type %u not implemented\n", paRegs[i].enmValType), rc = VERR_NOT_IMPLEMENTED);
+ }
+
+ if ( rc == VINF_DBGF_ZERO_EXTENDED_REGISTER
+ || ( rc == VINF_DBGF_TRUNCATED_REGISTER
+ && paRegs[i].enmReg == DBGFREG_RFLAGS)) /* KD protocol specifies 32bit but is really 64bit. */
+ rc = VINF_SUCCESS;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && rc != VINF_SUCCESS)
+ rc = VERR_DBGF_UNSUPPORTED_CAST;
+
+ return rc;
+}
+
+
+/**
+ * Fills in the given 64bit NT context structure with the requested values.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param pNtCtx The NT context structure to fill in.
+ * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
+ */
+static int dbgcKdCtxQueryNtCtx64(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
+{
+ RT_BZERO(pNtCtx, sizeof(*pNtCtx));
+
+ pNtCtx->fContext = NTCONTEXT_F_AMD64;
+ int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pNtCtx->u32RegMxCsr);
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_CONTROL)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsCtrl64[0], RT_ELEMENTS(g_aRegsCtrl64), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_INTEGER)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsInt64[0], RT_ELEMENTS(g_aRegsInt64), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_SEGMENTS)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsSegs64[0], RT_ELEMENTS(g_aRegsSegs64), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsFx64[0], RT_ELEMENTS(g_aRegsFx64), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_FLOATING_POINT;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_DEBUG)
+ {
+ /** @todo NTCONTEXT_F_DEBUG */
+ }
+
+ return rc;
+}
+
+
+/**
+ * Fills in the given 32bit NT context structure with the requested values.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param pNtCtx The NT context structure to fill in.
+ * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
+ */
+static int dbgcKdCtxQueryNtCtx32(PKDCTX pThis, VMCPUID idCpu, PNTCONTEXT32 pNtCtx, uint32_t fCtxFlags)
+{
+ RT_BZERO(pNtCtx, sizeof(*pNtCtx));
+
+ pNtCtx->fContext = NTCONTEXT_F_X86;
+
+ int rc = VINF_SUCCESS;
+ if (fCtxFlags & NTCONTEXT_F_CONTROL)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsCtrl32[0], RT_ELEMENTS(g_aRegsCtrl32), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_CONTROL;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_INTEGER)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsInt32[0], RT_ELEMENTS(g_aRegsInt32), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_INTEGER;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_SEGMENTS)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsSegs32[0], RT_ELEMENTS(g_aRegsSegs32), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_SEGMENTS;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsFx32[0], RT_ELEMENTS(g_aRegsFx32), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_FLOATING_POINT;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && fCtxFlags & NTCONTEXT_F_DEBUG)
+ {
+ rc = dbgcKdCtxQueryRegs(pThis, idCpu, &g_aRegsDbg32[0], RT_ELEMENTS(g_aRegsDbg32), pNtCtx);
+ if (RT_SUCCESS(rc))
+ pNtCtx->fContext |= NTCONTEXT_F_DEBUG;
+ }
+
+ return rc;
+}
+
+
+#define KD_REG_INIT(a_pszName, a_enmType, a_ValMember, a_Val) \
+ do \
+ { \
+ aRegsSet[idxReg].pszName = a_pszName; \
+ aRegsSet[idxReg].enmType = a_enmType; \
+ aRegsSet[idxReg].Val.a_ValMember = a_Val; \
+ idxReg++; \
+ } while (0)
+#define KD_REG_INIT_DTR(a_pszName, a_Base, a_Limit) \
+ do \
+ { \
+ aRegsSet[idxReg].pszName = a_pszName; \
+ aRegsSet[idxReg].enmType = DBGFREGVALTYPE_DTR; \
+ aRegsSet[idxReg].Val.dtr.u64Base = a_Base; \
+ aRegsSet[idxReg].Val.dtr.u32Limit = a_Limit; \
+ idxReg++; \
+ } while (0)
+#define KD_REG_INIT_U16(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U16, u16, a_Val)
+#define KD_REG_INIT_U32(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U32, u32, a_Val)
+#define KD_REG_INIT_U64(a_pszName, a_Val) KD_REG_INIT(a_pszName, DBGFREGVALTYPE_U64, u64, a_Val)
+
+
+/**
+ * Writes the indicated values from the given context structure to the guests register set.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param pNtCtx The NT context structure to set.
+ * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to set.
+ */
+static int dbgcKdCtxSetNtCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTCONTEXT64 pNtCtx, uint32_t fCtxFlags)
+{
+ uint32_t idxReg = 0;
+ DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
+
+ KD_REG_INIT_U32("mxcsr", pNtCtx->u32RegMxCsr);
+
+ if (fCtxFlags & NTCONTEXT_F_CONTROL)
+ {
+#if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
+ KD_REG_INIT_U16("cs", pNtCtx->u16SegCs);
+ KD_REG_INIT_U16("ss", pNtCtx->u16SegSs);
+#endif
+ KD_REG_INIT_U64("rip", pNtCtx->u64RegRip);
+ KD_REG_INIT_U64("rsp", pNtCtx->u64RegRsp);
+ KD_REG_INIT_U64("rbp", pNtCtx->u64RegRbp);
+ KD_REG_INIT_U32("rflags", pNtCtx->u32RegEflags);
+ }
+
+ if (fCtxFlags & NTCONTEXT_F_INTEGER)
+ {
+ KD_REG_INIT_U64("rax", pNtCtx->u64RegRax);
+ KD_REG_INIT_U64("rcx", pNtCtx->u64RegRcx);
+ KD_REG_INIT_U64("rdx", pNtCtx->u64RegRdx);
+ KD_REG_INIT_U64("rbx", pNtCtx->u64RegRbx);
+ KD_REG_INIT_U64("rsi", pNtCtx->u64RegRsi);
+ KD_REG_INIT_U64("rdi", pNtCtx->u64RegRdi);
+ KD_REG_INIT_U64("r8", pNtCtx->u64RegR8);
+ KD_REG_INIT_U64("r9", pNtCtx->u64RegR9);
+ KD_REG_INIT_U64("r10", pNtCtx->u64RegR10);
+ KD_REG_INIT_U64("r11", pNtCtx->u64RegR11);
+ KD_REG_INIT_U64("r12", pNtCtx->u64RegR12);
+ KD_REG_INIT_U64("r13", pNtCtx->u64RegR13);
+ KD_REG_INIT_U64("r14", pNtCtx->u64RegR14);
+ KD_REG_INIT_U64("r15", pNtCtx->u64RegR15);
+ }
+
+ if (fCtxFlags & NTCONTEXT_F_SEGMENTS)
+ {
+#if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
+ KD_REG_INIT_U16("ds", pNtCtx->u16SegDs);
+ KD_REG_INIT_U16("es", pNtCtx->u16SegEs);
+ KD_REG_INIT_U16("fs", pNtCtx->u16SegFs);
+ KD_REG_INIT_U16("gs", pNtCtx->u16SegGs);
+#endif
+ }
+
+ if (fCtxFlags & NTCONTEXT_F_FLOATING_POINT)
+ {
+ /** @todo NTCONTEXT_F_FLOATING_POINT. */
+ }
+
+ if (fCtxFlags & NTCONTEXT_F_DEBUG)
+ dbgcKdCtxMsgSend(pThis, true /*fWarning*/, "Setting local DR registers does not work!");
+
+ return DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
+}
+
+
+/**
+ * Fills in the given 64bit NT kernel context structure with the requested values.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param pKNtCtx The NT context structure to fill in.
+ * @param fCtxFlags Combination of NTCONTEXT_F_XXX determining what to fill in.
+ */
+static int dbgcKdCtxQueryNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT64 pKNtCtx, uint32_t fCtxFlags)
+{
+ RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
+
+ int rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u64RegCr0);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u64RegCr2);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u64RegCr3);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u64RegCr4);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR8, &pKNtCtx->u64RegCr8);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u64PtrBase);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u64PtrBase);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_MXCSR, &pKNtCtx->u32RegMxCsr);
+
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_GS_BASE, &pKNtCtx->u64MsrGsBase);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_KERNEL_GS_BASE, &pKNtCtx->u64MsrKernelGsBase);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K6_STAR, &pKNtCtx->u64MsrStar);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_LSTAR, &pKNtCtx->u64MsrLstar);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_CSTAR, &pKNtCtx->u64MsrCstar);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, idCpu, DBGFREG_MSR_K8_SF_MASK, &pKNtCtx->u64MsrSfMask);
+ /** @todo XCR0 */
+
+ /* Get the emulated DR register state. */
+ pKNtCtx->u64RegDr0 = pThis->aHwBp[0].GCPtrBp;
+ pKNtCtx->u64RegDr1 = pThis->aHwBp[1].GCPtrBp;
+ pKNtCtx->u64RegDr2 = pThis->aHwBp[2].GCPtrBp;
+ pKNtCtx->u64RegDr3 = pThis->aHwBp[3].GCPtrBp;
+ pKNtCtx->u64RegDr6 = dbgcKdCtxHwBpDr6Get(pThis);
+ pKNtCtx->u64RegDr7 = dbgcKdCtxHwBpDr7Get(pThis);
+
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxQueryNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, fCtxFlags);
+
+ return rc;
+}
+
+
+/**
+ * Fills in the given 32bit NT kernel context structure with the requested values.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param pKNtCtx The NT context structure to fill in.
+ */
+static int dbgcKdCtxQueryNtKCtx32(PKDCTX pThis, VMCPUID idCpu, PNTKCONTEXT32 pKNtCtx)
+{
+ RT_BZERO(pKNtCtx, sizeof(*pKNtCtx));
+
+ int rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR0, &pKNtCtx->u32RegCr0);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR2, &pKNtCtx->u32RegCr2);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR3, &pKNtCtx->u32RegCr3);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_CR4, &pKNtCtx->u32RegCr4);
+
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_LIMIT, &pKNtCtx->Gdtr.u16Limit);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_GDTR_BASE, &pKNtCtx->Gdtr.u32PtrBase);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_LIMIT, &pKNtCtx->Idtr.u16Limit);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, idCpu, DBGFREG_IDTR_BASE, &pKNtCtx->Idtr.u32PtrBase);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_TR, &pKNtCtx->u16RegTr);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, idCpu, DBGFREG_LDTR, &pKNtCtx->u16RegLdtr);
+
+ /* Get the emulated DR register state. */
+ pKNtCtx->u32RegDr0 = (uint32_t)pThis->aHwBp[0].GCPtrBp;
+ pKNtCtx->u32RegDr1 = (uint32_t)pThis->aHwBp[1].GCPtrBp;
+ pKNtCtx->u32RegDr2 = (uint32_t)pThis->aHwBp[2].GCPtrBp;
+ pKNtCtx->u32RegDr3 = (uint32_t)pThis->aHwBp[3].GCPtrBp;
+ pKNtCtx->u32RegDr6 = dbgcKdCtxHwBpDr6Get(pThis);
+ pKNtCtx->u32RegDr7 = dbgcKdCtxHwBpDr7Get(pThis);
+
+ return rc;
+}
+
+
+/**
+ * Fills in the given 64bit NT kernel context structure with the requested values.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param idCpu The CPU to query the context for.
+ * @param pKNtCtx The NT context structure to fill in.
+ * @param cbSet How many bytes of the context are valid.
+ */
+static int dbgcKdCtxSetNtKCtx64(PKDCTX pThis, VMCPUID idCpu, PCNTKCONTEXT64 pKNtCtx, size_t cbSet)
+{
+ AssertReturn(cbSet >= RT_UOFFSETOF(NTKCONTEXT64, Ctx), VERR_INVALID_PARAMETER);
+
+ uint32_t idxReg = 0;
+ DBGFREGENTRYNM aRegsSet[64]; /** @todo Verify that this is enough when fully implemented. */
+
+ KD_REG_INIT_U64("cr0", pKNtCtx->u64RegCr0);
+ KD_REG_INIT_U64("cr2", pKNtCtx->u64RegCr2);
+ KD_REG_INIT_U64("cr3", pKNtCtx->u64RegCr3);
+ KD_REG_INIT_U64("cr4", pKNtCtx->u64RegCr4);
+ KD_REG_INIT_U64("cr8", pKNtCtx->u64RegCr8);
+
+ KD_REG_INIT_DTR("gdtr", pKNtCtx->Gdtr.u64PtrBase, pKNtCtx->Gdtr.u16Limit);
+ KD_REG_INIT_DTR("idtr", pKNtCtx->Idtr.u64PtrBase, pKNtCtx->Idtr.u16Limit);
+
+#if 0 /** @todo CPUM returns VERR_NOT_IMPLEMENTED */
+ KD_REG_INIT_U16("tr", pKNtCtx->u16RegTr);
+ KD_REG_INIT_U16("ldtr", pKNtCtx->u16RegLdtr);
+#endif
+ KD_REG_INIT_U32("mxcsr", pKNtCtx->u32RegMxCsr);
+
+ KD_REG_INIT_U64("msr_gs_base", pKNtCtx->u64MsrGsBase);
+ KD_REG_INIT_U64("krnl_gs_base", pKNtCtx->u64MsrKernelGsBase);
+ KD_REG_INIT_U64("star", pKNtCtx->u64MsrStar);
+ KD_REG_INIT_U64("lstar", pKNtCtx->u64MsrLstar);
+ KD_REG_INIT_U64("cstar", pKNtCtx->u64MsrCstar);
+ KD_REG_INIT_U64("sf_mask", pKNtCtx->u64MsrSfMask);
+
+ int rc = DBGFR3RegNmSetBatch(pThis->Dbgc.pUVM, idCpu, &aRegsSet[0], idxReg);
+ if ( RT_SUCCESS(rc)
+ && cbSet > RT_UOFFSETOF(NTKCONTEXT64, Ctx)) /** @todo Probably wrong. */
+ rc = dbgcKdCtxSetNtCtx64(pThis, idCpu, &pKNtCtx->Ctx, pKNtCtx->Ctx.fContext);
+
+ if (RT_SUCCESS(rc))
+ {
+ /* Update emulated hardware breakpoint state. */
+ dbgcKdCtxHwBpDr6Update(pThis, (uint32_t)pKNtCtx->u64RegDr6);
+ rc = dbgcKdCtxHwBpDr7Update(pThis, (uint32_t)pKNtCtx->u64RegDr7);
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[0], pKNtCtx->u64RegDr0);
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[1], pKNtCtx->u64RegDr1);
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[2], pKNtCtx->u64RegDr2);
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxHwBpGCPtrUpdate(pThis, &pThis->aHwBp[3], pKNtCtx->u64RegDr3);
+ }
+
+ return rc;
+}
+
+#undef KD_REG_INIT_64
+#undef KD_REG_INIT_32
+#undef KD_REG_INIT_16
+#undef KD_REG_INIT_DTR
+#undef KD_REG_INIT
+
+
+/**
+ * Validates the given KD packet header.
+ *
+ * @returns Flag whether the packet header is valid, false if invalid.
+ * @param pPktHdr The packet header to validate.
+ */
+static bool dbgcKdPktHdrValidate(PCKDPACKETHDR pPktHdr)
+{
+ if ( pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_DATA
+ && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_CONTROL
+ && pPktHdr->u32Signature != KD_PACKET_HDR_SIGNATURE_BREAKIN)
+ return false;
+
+ if (pPktHdr->u16SubType >= KD_PACKET_HDR_SUB_TYPE_MAX)
+ return false;
+
+ uint32_t idPacket = pPktHdr->idPacket & UINT32_C(0xfffffffe);
+ if ( idPacket != KD_PACKET_HDR_ID_INITIAL
+ && idPacket != KD_PACKET_HDR_ID_RESET
+ && idPacket != 0 /* Happens on the very first packet */)
+ return false;
+
+ return true;
+}
+
+
+/**
+ * Generates a checksum from the given buffer.
+ *
+ * @returns Generated checksum.
+ * @param pv The data to generate a checksum from.
+ * @param cb Number of bytes to checksum.
+ */
+static uint32_t dbgcKdPktChkSumGen(const void *pv, size_t cb)
+{
+ const uint8_t *pb = (const uint8_t *)pv;
+ uint32_t u32ChkSum = 0;
+
+ while (cb--)
+ u32ChkSum += *pb++;
+
+ return u32ChkSum;
+}
+
+
+/**
+ * Generates a checksum from the given segments.
+ *
+ * @returns Generated checksum.
+ * @param paSegs Pointer to the array of segments containing the data.
+ * @param cSegs Number of segments.
+ * @param pcbChkSum Where to store the number of bytes checksummed, optional.
+ */
+static uint32_t dbgcKdPktChkSumGenSg(PCRTSGSEG paSegs, uint32_t cSegs, size_t *pcbChkSum)
+{
+ size_t cbChkSum = 0;
+ uint32_t u32ChkSum = 0;
+
+ for (uint32_t i = 0; i < cSegs; i++)
+ {
+ u32ChkSum += dbgcKdPktChkSumGen(paSegs[i].pvSeg, paSegs[i].cbSeg);
+ cbChkSum += paSegs[i].cbSeg;
+ }
+
+ if (pcbChkSum)
+ *pcbChkSum = cbChkSum;
+
+ return u32ChkSum;
+}
+
+
+/**
+ * Waits for an acknowledgment.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param msWait Maximum number of milliseconds to wait for an acknowledge.
+ * @param pfResend Where to store the resend requested flag on success.
+ */
+static int dbgcKdCtxPktWaitForAck(PKDCTX pThis, RTMSINTERVAL msWait, bool *pfResend)
+{
+ KDPACKETHDR PktAck;
+ uint8_t *pbCur = (uint8_t *)&PktAck;
+ size_t cbLeft = sizeof(PktAck);
+ uint64_t tsStartMs = RTTimeMilliTS();
+ int rc = VINF_SUCCESS;
+
+ LogFlowFunc(("pThis=%p msWait=%u pfResend=%p\n", pThis, msWait, pfResend));
+
+ RT_ZERO(PktAck);
+
+ /* There might be breakin packets in the queue, read until we get something else. */
+ while ( msWait
+ && RT_SUCCESS(rc))
+ {
+ if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, msWait))
+ {
+ size_t cbRead = 0;
+ rc = pThis->Dbgc.pIo->pfnRead(pThis->Dbgc.pIo, pbCur, 1, &cbRead);
+ if ( RT_SUCCESS(rc)
+ && cbRead == 1)
+ {
+ uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
+ msWait -= RT_MIN(msWait, tsSpanMs);
+ tsStartMs = RTTimeMilliTS();
+
+ if (*pbCur == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
+ pThis->fBreakinRecv = true;
+ else
+ {
+ pbCur++;
+ cbLeft--;
+ break;
+ }
+ }
+ }
+ else
+ rc = VERR_TIMEOUT;
+ }
+
+ if ( RT_SUCCESS(rc)
+ && !msWait)
+ rc = VERR_TIMEOUT;
+
+ if (RT_SUCCESS(rc))
+ {
+ while ( msWait
+ && RT_SUCCESS(rc)
+ && cbLeft)
+ {
+ if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, msWait))
+ {
+ size_t cbRead = 0;
+ rc = pThis->Dbgc.pIo->pfnRead(pThis->Dbgc.pIo, pbCur, cbLeft, &cbRead);
+ if (RT_SUCCESS(rc))
+ {
+ uint64_t tsSpanMs = RTTimeMilliTS() - tsStartMs;
+ msWait -= RT_MIN(msWait, tsSpanMs);
+ tsStartMs = RTTimeMilliTS();
+
+ cbLeft -= cbRead;
+ pbCur += cbRead;
+ }
+ }
+ else
+ rc = VERR_TIMEOUT;
+ }
+
+ if (RT_SUCCESS(rc))
+ {
+ if (PktAck.u32Signature == KD_PACKET_HDR_SIGNATURE_CONTROL)
+ {
+ if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE)
+ rc = VINF_SUCCESS;
+ else if (PktAck.u16SubType == KD_PACKET_HDR_SUB_TYPE_RESEND)
+ {
+ *pfResend = true;
+ rc = VINF_SUCCESS;
+ }
+ else
+ rc = VERR_NET_PROTOCOL_ERROR;
+ }
+ else
+ rc = VERR_NET_PROTOCOL_ERROR;
+ }
+ }
+
+ LogFlowFunc(("returns rc=%Rrc *pfResend=%RTbool\n", rc, *pfResend));
+ return rc;
+}
+
+
+/**
+ * Sends the given packet header and optional segmented body (the trailing byte is sent automatically).
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param u32Signature The signature to send.
+ * @param u16SubType The sub type to send.
+ * @param paSegs Pointer to the array of segments to send in the body, optional.
+ * @param cSegs Number of segments.
+ * @param fAck Flag whether to wait for an acknowledge.
+ */
+static int dbgcKdCtxPktSendSg(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
+ PCRTSGSEG paSegs, uint32_t cSegs, bool fAck)
+{
+ int rc = VINF_SUCCESS;
+ uint32_t cRetriesLeft = 3;
+ uint8_t bTrailer = KD_PACKET_TRAILING_BYTE;
+ KDPACKETHDR Hdr;
+
+ size_t cbChkSum = 0;
+ uint32_t u32ChkSum = dbgcKdPktChkSumGenSg(paSegs, cSegs, &cbChkSum);
+
+ Hdr.u32Signature = u32Signature;
+ Hdr.u16SubType = u16SubType;
+ Hdr.cbBody = (uint16_t)cbChkSum;
+ Hdr.idPacket = pThis->idPktNext;
+ Hdr.u32ChkSum = u32ChkSum;
+
+#ifdef LOG_ENABLED
+ dbgcKdPktDump(&Hdr, paSegs, cSegs, false /*fRx*/);
+#endif
+
+ while (cRetriesLeft--)
+ {
+ bool fResend = false;
+
+ if (pThis->Dbgc.pIo->pfnPktBegin)
+ {
+ rc = pThis->Dbgc.pIo->pfnPktBegin(pThis->Dbgc.pIo, 0 /*cbPktHint*/);
+ AssertRC(rc);
+ }
+
+ rc = dbgcKdCtxWrite(pThis, &Hdr, sizeof(Hdr));
+ if ( RT_SUCCESS(rc)
+ && paSegs
+ && cSegs)
+ {
+ for (uint32_t i = 0; i < cSegs && RT_SUCCESS(rc); i++)
+ rc = dbgcKdCtxWrite(pThis, paSegs[i].pvSeg, paSegs[i].cbSeg);
+
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxWrite(pThis, &bTrailer, sizeof(bTrailer));
+ }
+
+ if ( RT_SUCCESS(rc)
+ && pThis->Dbgc.pIo->pfnPktEnd)
+ rc = pThis->Dbgc.pIo->pfnPktEnd(pThis->Dbgc.pIo);
+
+ if (RT_SUCCESS(rc))
+ {
+ if (fAck)
+ rc = dbgcKdCtxPktWaitForAck(pThis, 10 * 1000, &fResend);
+
+ if ( RT_SUCCESS(rc)
+ && !fResend)
+ break;
+ }
+ }
+
+ return rc;
+}
+
+
+/**
+ * Sends the given packet header and optional body (the trailing byte is sent automatically).
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param u32Signature The signature to send.
+ * @param u16SubType The sub type to send.
+ * @param pvBody The body to send, optional.
+ * @param cbBody Body size in bytes.
+ * @param fAck Flag whether to wait for an acknowledge.
+ */
+DECLINLINE(int) dbgcKdCtxPktSend(PKDCTX pThis, uint32_t u32Signature, uint16_t u16SubType,
+ const void *pvBody, size_t cbBody,
+ bool fAck)
+{
+ RTSGSEG Seg;
+
+ Seg.pvSeg = (void *)pvBody;
+ Seg.cbSeg = cbBody;
+ return dbgcKdCtxPktSendSg(pThis, u32Signature, u16SubType, cbBody ? &Seg : NULL, cbBody ? 1 : 0, fAck);
+}
+
+
+/**
+ * Sends a resend packet answer.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ */
+DECLINLINE(int) dbgcKdCtxPktSendResend(PKDCTX pThis)
+{
+ return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESEND,
+ NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
+}
+
+
+/**
+ * Sends a resend packet answer.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ */
+DECLINLINE(int) dbgcKdCtxPktSendReset(PKDCTX pThis)
+{
+ pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
+ return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_RESET,
+ NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
+}
+
+
+/**
+ * Sends an acknowledge packet answer.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ */
+DECLINLINE(int) dbgcKdCtxPktSendAck(PKDCTX pThis)
+{
+ return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_CONTROL, KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE,
+ NULL /*pvBody*/, 0 /*cbBody*/, false /*fAck*/);
+}
+
+
+/**
+ * Resets the packet receive state machine.
+ *
+ * @param pThis The KD context.
+ */
+static void dbgcKdCtxPktRecvReset(PKDCTX pThis)
+{
+ pThis->enmState = KDRECVSTATE_PACKET_HDR_FIRST_BYTE;
+ pThis->pbRecv = &pThis->PktHdr.ab[0];
+ pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[0]);
+ pThis->msRecvTimeout = RT_INDEFINITE_WAIT;
+ pThis->tsRecvLast = RTTimeMilliTS();
+}
+
+
+/**
+ * Sends a Debug I/O string packet.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context data.
+ * @param idCpu The CPU ID generating this packet.
+ * @param pachChars The characters to send (ASCII).
+ * @param cbChars Number of characters to send.
+ */
+static int dbgcKdCtxDebugIoStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachChars, size_t cbChars)
+{
+ KDPACKETDEBUGIO DebugIo;
+ RT_ZERO(DebugIo);
+
+ /* Fix your damn log strings if this exceeds 4GB... */
+ if (cbChars != (uint32_t)cbChars)
+ return VERR_BUFFER_OVERFLOW;
+
+ DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
+ DebugIo.u16CpuLvl = 0x6;
+ DebugIo.idCpu = (uint16_t)idCpu;
+ DebugIo.u.Str.cbStr = (uint32_t)cbChars;
+
+ RTSGSEG aRespSegs[2];
+
+ aRespSegs[0].pvSeg = &DebugIo;
+ aRespSegs[0].cbSeg = sizeof(DebugIo);
+ aRespSegs[1].pvSeg = (void *)pachChars;
+ aRespSegs[1].cbSeg = cbChars;
+
+ int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+ if (RT_SUCCESS(rc))
+ pThis->idPktNext ^= 0x1;
+
+ return rc;
+}
+
+
+/**
+ * Sends a message to the remotes end.
+ *
+ * @param pThis The KD context data.
+ * @param fWarning Flag whether this is a warning or an informational message.
+ * @param pszMsg The message to send.
+ */
+static void dbgcKdCtxMsgSend(PKDCTX pThis, bool fWarning, const char *pszMsg)
+{
+ size_t cchMsg = strlen(pszMsg);
+
+ KDPACKETDEBUGIO DebugIo;
+ RT_ZERO(DebugIo);
+
+ DebugIo.u32Type = KD_PACKET_DEBUG_IO_STRING;
+ DebugIo.u16CpuLvl = 0x6;
+ DebugIo.idCpu = 0;
+
+ RTSGSEG aRespSegs[5];
+
+ aRespSegs[0].pvSeg = &DebugIo;
+ aRespSegs[0].cbSeg = sizeof(DebugIo);
+ aRespSegs[1].pvSeg = (void *)"VBoxDbg ";
+ aRespSegs[1].cbSeg = sizeof("VBoxDbg ") - 1;
+ if (fWarning)
+ {
+ aRespSegs[2].pvSeg = (void *)"WARNING ";
+ aRespSegs[2].cbSeg = sizeof("WARNING ") - 1;
+ }
+ else
+ {
+ aRespSegs[2].pvSeg = (void *)"INFO ";
+ aRespSegs[2].cbSeg = sizeof("INFO ") - 1;
+ }
+ aRespSegs[3].pvSeg = (void *)pszMsg;
+ aRespSegs[3].cbSeg = cchMsg;
+ aRespSegs[4].pvSeg = (void *)"\r\n";
+ aRespSegs[4].cbSeg = 2;
+
+ DebugIo.u.Str.cbStr = (uint32_t)( aRespSegs[1].cbSeg
+ + aRespSegs[2].cbSeg
+ + aRespSegs[3].cbSeg
+ + aRespSegs[4].cbSeg);
+
+ int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+ if (RT_SUCCESS(rc))
+ pThis->idPktNext ^= 0x1;
+}
+
+
+/**
+ * Queries some user input from the remotes end.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context data.
+ * @param idCpu The CPU ID generating this packet.
+ * @param pachPrompt The prompt to send (ASCII).
+ * @param cbPrompt Number of characters to send for the prompt.
+ * @param cbResponseMax Maximum size for the response.
+ */
+static int dbgcKdCtxDebugIoGetStrSend(PKDCTX pThis, VMCPUID idCpu, const char *pachPrompt, size_t cbPrompt,
+ size_t cbResponseMax)
+{
+ KDPACKETDEBUGIO DebugIo;
+ RT_ZERO(DebugIo);
+
+ /* Fix your damn log strings if this exceeds 4GB... */
+ if ( cbPrompt != (uint32_t)cbPrompt
+ || cbResponseMax != (uint32_t)cbResponseMax)
+ return VERR_BUFFER_OVERFLOW;
+
+ DebugIo.u32Type = KD_PACKET_DEBUG_IO_GET_STRING;
+ DebugIo.u16CpuLvl = 0x6;
+ DebugIo.idCpu = (uint16_t)idCpu;
+ DebugIo.u.Prompt.cbPrompt = (uint32_t)cbPrompt;
+ DebugIo.u.Prompt.cbReturn = (uint32_t)cbResponseMax;
+
+ RTSGSEG aRespSegs[2];
+
+ aRespSegs[0].pvSeg = &DebugIo;
+ aRespSegs[0].cbSeg = sizeof(DebugIo);
+ aRespSegs[1].pvSeg = (void *)pachPrompt;
+ aRespSegs[1].cbSeg = cbPrompt;
+
+ int rc = dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_DEBUG_IO,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+ if (RT_SUCCESS(rc))
+ pThis->idPktNext ^= 0x1;
+
+ return rc;
+}
+
+
+/**
+ * Sends a state change event packet.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context data.
+ * @param enmType The event type.
+ */
+static int dbgcKdCtxStateChangeSend(PKDCTX pThis, DBGFEVENTTYPE enmType)
+{
+ LogFlowFunc(("pThis=%p enmType=%u\n", pThis, enmType));
+
+ /* Select the record to send based on the CPU mode. */
+ int rc = VINF_SUCCESS;
+ KDPACKETSTATECHANGE64 StateChange64;
+ RT_ZERO(StateChange64);
+
+ StateChange64.u32StateNew = KD_PACKET_STATE_CHANGE_EXCEPTION;
+ StateChange64.u16CpuLvl = 0x6; /** @todo Figure this one out. */
+ StateChange64.idCpu = pThis->Dbgc.idCpu;
+ StateChange64.cCpus = (uint16_t)DBGFR3CpuGetCount(pThis->Dbgc.pUVM);
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RIP, &StateChange64.u64RipThread);
+ if (RT_SUCCESS(rc))
+ {
+ DBGFADDRESS AddrRip;
+ DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRip, StateChange64.u64RipThread);
+
+ StateChange64.u64RipThread = KD_PTR_CREATE(pThis, StateChange64.u64RipThread);
+
+ /** @todo Properly fill in the exception record. */
+ switch (enmType)
+ {
+ case DBGFEVENT_HALT_DONE:
+ case DBGFEVENT_BREAKPOINT:
+ case DBGFEVENT_BREAKPOINT_IO:
+ case DBGFEVENT_BREAKPOINT_MMIO:
+ case DBGFEVENT_BREAKPOINT_HYPER:
+ StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_BKPT;
+ break;
+ case DBGFEVENT_STEPPED:
+ case DBGFEVENT_STEPPED_HYPER:
+ pThis->fSingleStepped = true; /* For emulation of DR6. */
+ StateChange64.u.Exception.ExcpRec.u32ExcpCode = KD_PACKET_EXCP_CODE_SINGLE_STEP;
+ break;
+ default:
+ AssertMsgFailed(("Invalid DBGF event type for state change %d!\n", enmType));
+ }
+
+ StateChange64.u.Exception.ExcpRec.cExcpParms = 3;
+ StateChange64.u.Exception.u32FirstChance = 0x1;
+
+ /** @todo Properly fill in the control report. */
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR6, &StateChange64.uCtrlReport.Amd64.u64RegDr6);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU64(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DR7, &StateChange64.uCtrlReport.Amd64.u64RegDr7);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU32(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_RFLAGS, &StateChange64.uCtrlReport.Amd64.u32RegEflags);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_CS, &StateChange64.uCtrlReport.Amd64.u16SegCs);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_DS, &StateChange64.uCtrlReport.Amd64.u16SegDs);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_ES, &StateChange64.uCtrlReport.Amd64.u16SegEs);
+ if (RT_SUCCESS(rc))
+ rc = DBGFR3RegCpuQueryU16(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGFREG_FS, &StateChange64.uCtrlReport.Amd64.u16SegFs);
+
+ /* Read instruction bytes. */
+ StateChange64.uCtrlReport.Amd64.cbInsnStream = sizeof(StateChange64.uCtrlReport.Amd64.abInsn);
+ rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRip,
+ &StateChange64.uCtrlReport.Amd64.abInsn[0], StateChange64.uCtrlReport.Amd64.cbInsnStream);
+ if (RT_SUCCESS(rc))
+ {
+ pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
+ rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_CHANGE64,
+ &StateChange64, sizeof(StateChange64), false /*fAck*/);
+ }
+ }
+
+ LogFlowFunc(("returns %Rrc\n", rc));
+ return rc;
+}
+
+
+/**
+ * Processes a get version 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64GetVersion(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATE64 Resp;
+ RT_ZERO(Resp);
+
+ /* Fill in the generic part. */
+ Resp.Hdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_VERSION;
+ Resp.Hdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ Resp.Hdr.idCpu = pPktManip->Hdr.idCpu;
+ Resp.Hdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ /* Build our own response in case there is no Windows interface available. */
+ uint32_t NtBuildNumber = 0x0f2800; /* Used when there is no NT interface available, which probably breaks symbol loading. */
+ bool f32Bit = false;
+ if (pThis->pIfWinNt)
+ {
+ int rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
+ NULL /*puVersMajor*/, NULL /*puVersMinor*/,
+ &NtBuildNumber, &f32Bit);
+ if (RT_SUCCESS(rc))
+ rc = pThis->pIfWinNt->pfnQueryKernelPtrs(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
+ &Resp.u.GetVersion.u64PtrKernBase,
+ &Resp.u.GetVersion.u64PtrPsLoadedModuleList);
+ }
+
+ /* Fill in the request specific part. */
+ Resp.u.GetVersion.u16VersMaj = NtBuildNumber >> 16;
+ Resp.u.GetVersion.u16VersMin = NtBuildNumber & UINT32_C(0xffff);
+ Resp.u.GetVersion.u8VersProtocol = 0x6; /* From a Windows 10 guest. */
+ Resp.u.GetVersion.u8VersKdSecondary = pThis->f32Bit ? 0 : 0x2; /* amd64 has a versioned context (0 and 1 are obsolete). */
+ Resp.u.GetVersion.fFlags = KD_PACKET_MANIPULATE64_GET_VERSION_F_MP;
+ Resp.u.GetVersion.u8MaxPktType = KD_PACKET_HDR_SUB_TYPE_MAX;
+ Resp.u.GetVersion.u8MaxStateChange = KD_PACKET_STATE_CHANGE_MAX - KD_PACKET_STATE_CHANGE_MIN;
+ Resp.u.GetVersion.u8MaxManipulate = KD_PACKET_MANIPULATE_REQ_MAX - KD_PACKET_MANIPULATE_REQ_MIN;
+ Resp.u.GetVersion.u64PtrDebuggerDataList = 0;
+
+ if (f32Bit)
+ {
+ Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_I386;
+ Resp.u.GetVersion.u64PtrKernBase = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrKernBase);
+ Resp.u.GetVersion.u64PtrPsLoadedModuleList = KD_PTR_CREATE(pThis, Resp.u.GetVersion.u64PtrPsLoadedModuleList);
+ }
+ else
+ {
+ Resp.u.GetVersion.u16MachineType = IMAGE_FILE_MACHINE_AMD64;
+ Resp.u.GetVersion.fFlags |= KD_PACKET_MANIPULATE64_GET_VERSION_F_PTR64;
+ }
+
+ return dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &Resp, sizeof(Resp), true /*fAck*/);
+}
+
+
+/**
+ * Processes a read memory 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64ReadMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_XFERMEM64 XferMem64;
+ uint8_t abMem[_4K];
+ RT_ZERO(RespHdr); RT_ZERO(XferMem64);
+
+ DBGFADDRESS AddrRead;
+ uint32_t cbRead = RT_MIN(sizeof(abMem), pPktManip->u.XferMem.cbXferReq);
+ if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM)
+ DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
+ else
+ DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrRead, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
+
+ RTSGSEG aRespSegs[3];
+ uint32_t cSegs = 2; /* Gets incremented when read is successful. */
+ RespHdr.idReq = pPktManip->Hdr.idReq;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
+ XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
+ XferMem64.cbXfered = (uint32_t)cbRead;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &XferMem64;
+ aRespSegs[1].cbSeg = sizeof(XferMem64);
+
+ int rc = DBGFR3MemRead(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrRead, &abMem[0], cbRead);
+ if (RT_SUCCESS(rc))
+ {
+ cSegs++;
+ aRespSegs[2].pvSeg = &abMem[0];
+ aRespSegs[2].cbSeg = cbRead;
+ }
+ else
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], cSegs, true /*fAck*/);
+}
+
+
+/**
+ * Processes a write memory 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64WriteMem(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_XFERMEM64 XferMem64;
+ RT_ZERO(RespHdr); RT_ZERO(XferMem64);
+
+ DBGFADDRESS AddrWrite;
+ const void *pv = &pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
+ uint32_t cbWrite = RT_MIN(sizeof(pThis->abBody) - sizeof(*pPktManip), pPktManip->u.XferMem.cbXferReq);
+ if (pPktManip->Hdr.idReq == KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM)
+ DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
+ else
+ DBGFR3AddrFromPhys(pThis->Dbgc.pUVM, &AddrWrite, KD_PTR_GET(pThis, pPktManip->u.XferMem.u64PtrTarget));
+
+ RTSGSEG aRespSegs[2];
+ uint32_t cSegs = 2;
+ RespHdr.idReq = pPktManip->Hdr.idReq;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ XferMem64.u64PtrTarget = pPktManip->u.XferMem.u64PtrTarget;
+ XferMem64.cbXferReq = pPktManip->u.XferMem.cbXferReq;
+ XferMem64.cbXfered = (uint32_t)cbWrite;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &XferMem64;
+ aRespSegs[1].cbSeg = sizeof(XferMem64);
+
+ int rc = DBGFR3MemWrite(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &AddrWrite, pv, cbWrite);
+ if (RT_FAILURE(rc))
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], cSegs, true /*fAck*/);
+}
+
+
+/**
+ * Processes a continue request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64Continue(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ RT_NOREF(pPktManip);
+ int rc = VINF_SUCCESS;
+
+ /* No response, just resume. */
+ if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
+ rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
+
+ return rc;
+}
+
+
+/**
+ * Processes a continue request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64Continue2(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ int rc = VINF_SUCCESS;
+
+ /* Update DR7. */
+ if (pThis->f32Bit)
+ rc = dbgcKdCtxHwBpDr7Update(pThis, pPktManip->u.Continue2.u.x86.u32RegDr7);
+ else
+ rc = dbgcKdCtxHwBpDr7Update(pThis, (uint32_t)pPktManip->u.Continue2.u.amd64.u64RegDr7);
+
+ /* Resume if not single stepping, the single step will get a state change when the VM stepped. */
+ if (pPktManip->u.Continue2.fTrace)
+ {
+ PDBGFADDRESS pStackPop = NULL;
+ RTGCPTR cbStackPop = 0;
+ rc = DBGFR3StepEx(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, DBGF_STEP_F_INTO, NULL,
+ pStackPop, cbStackPop, 1 /*cMaxSteps*/);
+ }
+ else if (DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
+ rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
+
+ return rc;
+}
+
+
+/**
+ * Processes a set context request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64SetContext(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_SETCONTEXT SetContext;
+ RT_ZERO(RespHdr); RT_ZERO(SetContext);
+
+ PCNTCONTEXT64 pNtCtx = (PCNTCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
+
+ RTSGSEG aRespSegs[2];
+ uint32_t cSegs = 2;
+ RespHdr.idReq = pPktManip->Hdr.idReq;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ /** @todo What do these flags mean? Can't be the context state to set because the valid one is
+ * in NTCONTEXT64::fContext (observed with WinDbg). */
+ SetContext.u32CtxFlags = pPktManip->u.SetContext.u32CtxFlags;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &SetContext;
+ aRespSegs[1].cbSeg = sizeof(SetContext);
+
+ int rc = dbgcKdCtxSetNtCtx64(pThis, pPktManip->Hdr.idCpu, pNtCtx, pNtCtx->fContext);
+ if (RT_FAILURE(rc))
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], cSegs, true /*fAck*/);
+}
+
+
+/**
+ * Processes a read control space 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64ReadCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
+ uint8_t abResp[sizeof(NTKCONTEXT64)];
+ uint32_t cbData = 0;
+ RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
+ RT_ZERO(abResp);
+
+ RTSGSEG aRespSegs[3];
+ uint32_t cSegs = 2; /* Gets incremented when read is successful. */
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
+ XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &XferCtrlSpace64;
+ aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
+
+ int rc = VINF_SUCCESS;
+ if (pThis->f32Bit)
+ {
+ if (pPktManip->u.XferCtrlSpace.u64IdXfer == sizeof(NTCONTEXT32))
+ {
+ /* Queries the kernel context. */
+ rc = dbgcKdCtxQueryNtKCtx32(pThis, RespHdr.idCpu, (PNTKCONTEXT32)&abResp[0]);
+ if (RT_SUCCESS(rc))
+ cbData = sizeof(NTKCONTEXT32);
+ }
+ }
+ else
+ {
+ switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
+ {
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
+ {
+ if (pThis->pIfWinNt)
+ {
+ RTGCUINTPTR GCPtrKpcr = 0;
+
+ rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(), RespHdr.idCpu,
+ &GCPtrKpcr, NULL /*pKpcrb*/);
+ if (RT_SUCCESS(rc))
+ memcpy(&abResp[0], &GCPtrKpcr, sizeof(GCPtrKpcr));
+ }
+
+ cbData = sizeof(RTGCUINTPTR);
+ break;
+ }
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
+ {
+ if (pThis->pIfWinNt)
+ {
+ RTGCUINTPTR GCPtrKpcrb = 0;
+
+ rc = pThis->pIfWinNt->pfnQueryKpcrForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(), RespHdr.idCpu,
+ NULL /*pKpcr*/, &GCPtrKpcrb);
+ if (RT_SUCCESS(rc))
+ memcpy(&abResp[0], &GCPtrKpcrb, sizeof(GCPtrKpcrb));
+ }
+
+ cbData = sizeof(RTGCUINTPTR);
+ break;
+ }
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
+ {
+ rc = dbgcKdCtxQueryNtKCtx64(pThis, RespHdr.idCpu, (PNTKCONTEXT64)&abResp[0], NTCONTEXT64_F_FULL);
+ if (RT_SUCCESS(rc))
+ cbData = sizeof(NTKCONTEXT64);
+ break;
+ }
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
+ {
+ if (pThis->pIfWinNt)
+ {
+ RTGCUINTPTR GCPtrCurThrd = 0;
+
+ rc = pThis->pIfWinNt->pfnQueryCurThrdForVCpu(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
+ RespHdr.idCpu, &GCPtrCurThrd);
+ if (RT_SUCCESS(rc))
+ memcpy(&abResp[0], &GCPtrCurThrd, sizeof(GCPtrCurThrd));
+ }
+
+ cbData = sizeof(RTGCUINTPTR);
+ break;
+ }
+ default:
+ rc = VERR_NOT_SUPPORTED;
+ break;
+ }
+ }
+
+ if ( RT_SUCCESS(rc)
+ && cbData)
+ {
+ XferCtrlSpace64.cbXfered = RT_MIN(cbData, XferCtrlSpace64.cbXferReq);
+
+ cSegs++;
+ aRespSegs[2].pvSeg = &abResp[0];
+ aRespSegs[2].cbSeg = cbData;
+ }
+ else if (RT_FAILURE(rc))
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], cSegs, true /*fAck*/);
+}
+
+
+/**
+ * Processes a write control space 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64WriteCtrlSpace(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_XFERCTRLSPACE64 XferCtrlSpace64;
+ uint32_t cbData = 0;
+ RT_ZERO(RespHdr); RT_ZERO(XferCtrlSpace64);
+
+ RTSGSEG aRespSegs[2];
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ XferCtrlSpace64.u64IdXfer = pPktManip->u.XferCtrlSpace.u64IdXfer;
+ XferCtrlSpace64.cbXferReq = pPktManip->u.XferCtrlSpace.cbXferReq;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &XferCtrlSpace64;
+ aRespSegs[1].cbSeg = sizeof(XferCtrlSpace64);
+
+ int rc = VINF_SUCCESS;
+ switch (pPktManip->u.XferCtrlSpace.u64IdXfer)
+ {
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KCTX:
+ {
+ PCNTKCONTEXT64 pNtKCtx = (PCNTKCONTEXT64)&pThis->abBody[sizeof(*pPktManip)]; /* Data comes directly after the manipulate state body. */
+ rc = dbgcKdCtxSetNtKCtx64(pThis, RespHdr.idCpu, pNtKCtx, XferCtrlSpace64.cbXferReq);
+ if (RT_SUCCESS(rc))
+ cbData = RT_MIN(XferCtrlSpace64.cbXferReq, sizeof(NTKCONTEXT64));
+ break;
+ }
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCR:
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KPCRB:
+ case KD_PACKET_MANIPULATE64_CTRL_SPACE_ID_KTHRD:
+ default:
+ rc = VERR_NOT_SUPPORTED;
+ break;
+ }
+
+ if (RT_FAILURE(rc))
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Convert to an appropriate NT status code. */
+ else
+ XferCtrlSpace64.cbXfered = cbData;
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+}
+
+
+/**
+ * Processes a restore breakpoint 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64RestoreBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_RESTOREBKPT64 RestoreBkpt64;
+ RT_ZERO(RespHdr); RT_ZERO(RestoreBkpt64);
+
+ RTSGSEG aRespSegs[2];
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ RestoreBkpt64.u32HndBkpt = pPktManip->u.RestoreBkpt.u32HndBkpt;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &RestoreBkpt64;
+ aRespSegs[1].cbSeg = sizeof(RestoreBkpt64);
+
+ int rc = DBGFR3BpClear(pThis->Dbgc.pUVM, pPktManip->u.RestoreBkpt.u32HndBkpt);
+ if (RT_SUCCESS(rc))
+ {
+ rc = dbgcBpDelete(&pThis->Dbgc, pPktManip->u.RestoreBkpt.u32HndBkpt);
+ AssertRC(rc);
+ }
+ else if (rc != VERR_DBGF_BP_NOT_FOUND)
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+}
+
+
+/**
+ * Processes a write breakpoint 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64WriteBkpt(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_WRITEBKPT64 WriteBkpt64;
+ RT_ZERO(RespHdr); RT_ZERO(WriteBkpt64);
+
+ RTSGSEG aRespSegs[2];
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_WRITE_BKPT;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &WriteBkpt64;
+ aRespSegs[1].cbSeg = sizeof(WriteBkpt64);
+
+ WriteBkpt64.u64PtrBkpt = pPktManip->u.WriteBkpt.u64PtrBkpt;
+
+ DBGFADDRESS BpAddr;
+ DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &BpAddr, KD_PTR_GET(pThis, pPktManip->u.WriteBkpt.u64PtrBkpt));
+ int rc = DBGFR3BpSetInt3(pThis->Dbgc.pUVM, pThis->Dbgc.idCpu, &BpAddr,
+ 1 /*iHitTrigger*/, UINT64_MAX /*iHitDisable*/, &WriteBkpt64.u32HndBkpt);
+ if (RT_SUCCESS(rc))
+ {
+ rc = dbgcBpAdd(&pThis->Dbgc, WriteBkpt64.u32HndBkpt, NULL /*pszCmd*/);
+ if (RT_FAILURE(rc))
+ DBGFR3BpClear(pThis->Dbgc.pUVM, WriteBkpt64.u32HndBkpt);
+ }
+ else
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+}
+
+
+/**
+ * Processes a get context extended 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64GetContextEx(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_CONTEXTEX ContextEx;
+ union
+ {
+ NTCONTEXT64 v64;
+ NTCONTEXT32 v32;
+ } NtCtx;
+ RT_ZERO(RespHdr); RT_ZERO(ContextEx); RT_ZERO(NtCtx);
+
+ RTSGSEG aRespSegs[3];
+ uint32_t cSegs = 2;
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
+
+ ContextEx.offStart = pPktManip->u.ContextEx.offStart;
+ ContextEx.cbXfer = pPktManip->u.ContextEx.cbXfer;
+ ContextEx.cbXfered = 0;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &ContextEx;
+ aRespSegs[1].cbSeg = sizeof(ContextEx);
+
+ int rc = VINF_SUCCESS;
+ uint32_t cbCtx = pThis->f32Bit ? sizeof(NtCtx.v32) : sizeof(NtCtx.v64);
+ if (pThis->f32Bit)
+ dbgcKdCtxQueryNtCtx32(pThis, pPktManip->Hdr.idCpu, &NtCtx.v32, NTCONTEXT32_F_FULL);
+ else
+ dbgcKdCtxQueryNtCtx64(pThis, pPktManip->Hdr.idCpu, &NtCtx.v64, NTCONTEXT64_F_FULL);
+ if ( RT_SUCCESS(rc)
+ && pPktManip->u.ContextEx.offStart < cbCtx)
+ {
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+ ContextEx.cbXfered = RT_MIN(cbCtx - ContextEx.offStart, ContextEx.cbXfer);
+
+ aRespSegs[2].pvSeg = (uint8_t *)&NtCtx + ContextEx.offStart;
+ aRespSegs[2].cbSeg = ContextEx.cbXfered;
+ cSegs++;
+ }
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], cSegs, true /*fAck*/);
+}
+
+
+/**
+ * Processes a query memory 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64QueryMemory(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_QUERYMEMORY QueryMemory;
+ RT_ZERO(RespHdr); RT_ZERO(QueryMemory);
+
+ RTSGSEG aRespSegs[2];
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ /** @todo Need DBGF API to query protection and privilege level from guest page tables. */
+ QueryMemory.u64GCPtr = pPktManip->u.QueryMemory.u64GCPtr;
+ QueryMemory.u32AddrSpace = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_SPACE_KERNEL;
+ QueryMemory.u32Flags = KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_READ
+ | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_WRITE
+ | KD_PACKET_MANIPULATE64_QUERY_MEMORY_ADDR_F_EXEC;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &QueryMemory;
+ aRespSegs[1].cbSeg = sizeof(QueryMemory);
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+}
+
+
+/**
+ * Processes a search memory 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64SearchMemory(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ KDPACKETMANIPULATEHDR RespHdr;
+ KDPACKETMANIPULATE_SEARCHMEMORY SearchMemory;
+ RT_ZERO(RespHdr); RT_ZERO(SearchMemory);
+
+ RTSGSEG aRespSegs[2];
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_SUCCESS;
+
+ SearchMemory.u64GCPtr = pPktManip->u.SearchMemory.u64GCPtr;
+ SearchMemory.cbSearch = pPktManip->u.SearchMemory.cbSearch;
+ SearchMemory.cbPattern = pPktManip->u.SearchMemory.cbPattern;
+
+ /* Validate the pattern length and start searching. */
+ if (pPktManip->u.SearchMemory.cbPattern < sizeof(pThis->abBody) - sizeof(*pPktManip))
+ {
+ DBGFADDRESS StartAddress;
+ DBGFADDRESS HitAddress;
+ VMCPUID idCpu = pPktManip->Hdr.idCpu;
+ DBGFR3AddrFromFlat(pThis->Dbgc.pUVM, &StartAddress, pPktManip->u.SearchMemory.u64GCPtr);
+
+ /** @todo WindDbg sends CPU ID 32 sometimes, maybe that means continue search on last used CPU?. */
+ if (idCpu >= DBGFR3CpuGetCount(pThis->Dbgc.pUVM))
+ idCpu = pThis->Dbgc.idCpu;
+
+ int rc = DBGFR3MemScan(pThis->Dbgc.pUVM, idCpu, &StartAddress, pPktManip->u.SearchMemory.cbSearch, 1,
+ &pThis->abBody[sizeof(*pPktManip)], pPktManip->u.SearchMemory.cbPattern, &HitAddress);
+ if (RT_SUCCESS(rc))
+ SearchMemory.u64GCPtr = HitAddress.FlatPtr;
+ else if (rc == VERR_DBGF_MEM_NOT_FOUND)
+ RespHdr.u32NtStatus = NTSTATUS_NOT_FOUND;
+ else
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL;
+ }
+ else
+ RespHdr.u32NtStatus = NTSTATUS_BUFFER_OVERFLOW;
+
+ aRespSegs[0].pvSeg = &RespHdr;
+ aRespSegs[0].cbSeg = sizeof(RespHdr);
+ aRespSegs[1].pvSeg = &SearchMemory;
+ aRespSegs[1].cbSeg = sizeof(SearchMemory);
+
+ return dbgcKdCtxPktSendSg(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &aRespSegs[0], RT_ELEMENTS(aRespSegs), true /*fAck*/);
+}
+
+
+/**
+ * Processes a cause bugcheck 64 request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ *
+ * @note We abuse this request to initiate a native VBox debugger command prompt from the remote end
+ * (There is monitor/Rcmd equivalent like with GDB unfortunately).
+ */
+static int dbgcKdCtxPktManipulate64CauseBugCheck(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ RT_NOREF(pPktManip);
+ pThis->fInVBoxDbg = true;
+ return dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
+ 512 /*cbResponseMax*/);
+}
+
+
+/**
+ * Processes a switch processor request.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ * @param pPktManip The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64SwitchProcessor(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+ int rc = VINF_SUCCESS;
+
+ if (RT_UNLIKELY(pPktManip->Hdr.idCpu >= DBGFR3CpuGetCount(pThis->Dbgc.pUVM)))
+ {
+ KDPACKETMANIPULATEHDR RespHdr;
+ RT_ZERO(RespHdr);
+
+ RespHdr.idReq = KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Test this path. */
+ rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &RespHdr, sizeof(RespHdr), true /*fAck*/);
+ }
+ else
+ {
+ pThis->Dbgc.idCpu = pPktManip->Hdr.idCpu;
+ rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
+ }
+
+ return rc;
+}
+
+
+/**
+ * Processes a manipulate packet.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ */
+static int dbgcKdCtxPktManipulate64Process(PKDCTX pThis)
+{
+ int rc = VINF_SUCCESS;
+ PCKDPACKETMANIPULATE64 pPktManip = (PCKDPACKETMANIPULATE64)&pThis->abBody[0];
+
+ switch (pPktManip->Hdr.idReq)
+ {
+ case KD_PACKET_MANIPULATE_REQ_GET_VERSION:
+ {
+ rc = dbgcKdCtxPktManipulate64GetVersion(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_READ_VIRT_MEM:
+ case KD_PACKET_MANIPULATE_REQ_READ_PHYS_MEM:
+ {
+ rc = dbgcKdCtxPktManipulate64ReadMem(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_WRITE_VIRT_MEM:
+ case KD_PACKET_MANIPULATE_REQ_WRITE_PHYS_MEM:
+ {
+ rc = dbgcKdCtxPktManipulate64WriteMem(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_CONTINUE:
+ {
+ rc = dbgcKdCtxPktManipulate64Continue(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_CONTINUE2:
+ {
+ rc = dbgcKdCtxPktManipulate64Continue2(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_SET_CONTEXT:
+ {
+ rc = dbgcKdCtxPktManipulate64SetContext(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_READ_CTRL_SPACE:
+ {
+ rc = dbgcKdCtxPktManipulate64ReadCtrlSpace(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_WRITE_CTRL_SPACE:
+ {
+ rc = dbgcKdCtxPktManipulate64WriteCtrlSpace(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_RESTORE_BKPT:
+ {
+ rc = dbgcKdCtxPktManipulate64RestoreBkpt(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_WRITE_BKPT:
+ {
+ rc = dbgcKdCtxPktManipulate64WriteBkpt(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_CLEAR_ALL_INTERNAL_BKPT:
+ /* WinDbg doesn't seem to expect an answer apart from the ACK here. */
+ break;
+ case KD_PACKET_MANIPULATE_REQ_GET_CONTEXT_EX:
+ {
+ rc = dbgcKdCtxPktManipulate64GetContextEx(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:
+ {
+ rc = dbgcKdCtxPktManipulate64QueryMemory(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY:
+ {
+ rc = dbgcKdCtxPktManipulate64SearchMemory(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK:
+ {
+ rc = dbgcKdCtxPktManipulate64CauseBugCheck(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:
+ {
+ rc = dbgcKdCtxPktManipulate64SwitchProcessor(pThis, pPktManip);
+ break;
+ }
+ case KD_PACKET_MANIPULATE_REQ_REBOOT:
+ {
+ rc = VMR3Reset(pThis->Dbgc.pUVM); /* Doesn't expect an answer here. */
+ if ( RT_SUCCESS(rc)
+ && DBGFR3IsHalted(pThis->Dbgc.pUVM, VMCPUID_ALL))
+ rc = DBGFR3Resume(pThis->Dbgc.pUVM, VMCPUID_ALL);
+ break;
+ }
+ default:
+ KDPACKETMANIPULATEHDR RespHdr;
+ RT_ZERO(RespHdr);
+
+ RespHdr.idReq = pPktManip->Hdr.idReq;
+ RespHdr.u16CpuLvl = pPktManip->Hdr.u16CpuLvl;
+ RespHdr.idCpu = pPktManip->Hdr.idCpu;
+ RespHdr.u32NtStatus = NTSTATUS_NOT_IMPLEMENTED;
+ rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+ &RespHdr, sizeof(RespHdr), true /*fAck*/);
+ break;
+ }
+
+ return rc;
+}
+
+
+/**
+ * Tries to detect the guest OS running in the VM looking specifically for the Windows NT kind.
+ *
+ * @param pThis The KD context.
+ */
+static void dbgcKdCtxDetectGstOs(PKDCTX pThis)
+{
+ pThis->pIfWinNt = NULL;
+
+ /* Try detecting a Windows NT guest. */
+ char szName[64];
+ int rc = DBGFR3OSDetect(pThis->Dbgc.pUVM, szName, sizeof(szName));
+ if (RT_SUCCESS(rc))
+ {
+ pThis->pIfWinNt = (PDBGFOSIWINNT)DBGFR3OSQueryInterface(pThis->Dbgc.pUVM, DBGFOSINTERFACE_WINNT);
+ if (pThis->pIfWinNt)
+ LogRel(("DBGC/Kd: Detected Windows NT guest OS (%s)\n", &szName[0]));
+ else
+ LogRel(("DBGC/Kd: Detected guest OS is not of the Windows NT kind (%s)\n", &szName[0]));
+ }
+ else
+ {
+ LogRel(("DBGC/Kd: Unable to detect any guest operating system type, rc=%Rrc\n", rc));
+ rc = VINF_SUCCESS; /* Try to continue nevertheless. */
+ }
+
+ if (pThis->pIfWinNt)
+ {
+ rc = pThis->pIfWinNt->pfnQueryVersion(pThis->pIfWinNt, pThis->Dbgc.pUVM, VMMR3GetVTable(),
+ NULL /*puVersMajor*/, NULL /*puVersMinor*/,
+ NULL /*puBuildNumber*/, &pThis->f32Bit);
+ AssertRC(rc);
+ }
+ else
+ {
+ /*
+ * Try to detect bitness based on the current CPU mode which might fool us (32bit process running
+ * inside of 64bit host).
+ */
+ CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(&pThis->Dbgc.CmdHlp);
+ if (enmMode == CPUMMODE_PROTECTED)
+ pThis->f32Bit = true;
+ else if (enmMode == CPUMMODE_LONG)
+ pThis->f32Bit = false;
+ else
+ LogRel(("DBGC/Kd: Heh, trying to debug real mode code with WinDbg are we? Good luck with that...\n"));
+ }
+}
+
+
+/**
+ * Processes a fully received packet.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ */
+static int dbgcKdCtxPktProcess(PKDCTX pThis)
+{
+ int rc = VINF_SUCCESS;
+
+ pThis->fBreakinRecv = false;
+
+ /* Verify checksum. */
+ if (dbgcKdPktChkSumGen(&pThis->abBody[0], pThis->PktHdr.Fields.cbBody) == pThis->PktHdr.Fields.u32ChkSum)
+ {
+ /** @todo Check packet id. */
+ if (pThis->PktHdr.Fields.u16SubType != KD_PACKET_HDR_SUB_TYPE_RESET)
+ {
+ pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
+ rc = dbgcKdCtxPktSendAck(pThis);
+ }
+ if (RT_SUCCESS(rc))
+ {
+#ifdef LOG_ENABLED
+ RTSGSEG Seg;
+ Seg.pvSeg = &pThis->abBody[0];
+ Seg.cbSeg = pThis->PktHdr.Fields.cbBody;
+ dbgcKdPktDump(&pThis->PktHdr.Fields, &Seg, 1 /*cSegs*/, true /*fRx*/);
+#endif
+
+ switch (pThis->PktHdr.Fields.u16SubType)
+ {
+ case KD_PACKET_HDR_SUB_TYPE_RESET:
+ {
+ dbgcKdCtxDetectGstOs(pThis);
+
+ pThis->idPktNext = 0;
+ rc = dbgcKdCtxPktSendReset(pThis);
+ if (RT_SUCCESS(rc))
+ {
+ rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
+ if (rc == VWRN_DBGF_ALREADY_HALTED)
+ rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
+ }
+ pThis->idPktNext = KD_PACKET_HDR_ID_RESET;
+ break;
+ }
+ case KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE:
+ {
+ pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
+ rc = dbgcKdCtxPktManipulate64Process(pThis);
+ break;
+ }
+ case KD_PACKET_HDR_SUB_TYPE_ACKNOWLEDGE:
+ case KD_PACKET_HDR_SUB_TYPE_RESEND:
+ {
+ /* Don't do anything. */
+ rc = VINF_SUCCESS;
+ break;
+ }
+ case KD_PACKET_HDR_SUB_TYPE_DEBUG_IO:
+ {
+ if (pThis->fInVBoxDbg)
+ {
+ pThis->idPktNext = pThis->PktHdr.Fields.idPacket ^ 0x1;
+ /* Get the string and execute it. */
+ PCKDPACKETDEBUGIO pPktDbgIo = (PCKDPACKETDEBUGIO)&pThis->abBody[0];
+ if ( pPktDbgIo->u32Type == KD_PACKET_DEBUG_IO_GET_STRING
+ && pPktDbgIo->u.Prompt.cbReturn <= sizeof(pThis->abBody) - sizeof(*pPktDbgIo) - 1)
+ {
+ if (pPktDbgIo->u.Prompt.cbReturn)
+ {
+ /* Terminate return value. */
+ pThis->abBody[sizeof(*pPktDbgIo) + pPktDbgIo->u.Prompt.cbReturn] = '\0';
+
+ const char *pszCmd = (const char *)&pThis->abBody[sizeof(*pPktDbgIo)];
+ /* Filter out 'exit' which is handled here directly and exits the debug loop. */
+ if (!strcmp(pszCmd, "exit"))
+ pThis->fInVBoxDbg = false;
+ else
+ {
+ rc = pThis->Dbgc.CmdHlp.pfnExec(&pThis->Dbgc.CmdHlp, pszCmd);
+ if (RT_SUCCESS(rc))
+ rc = dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
+ 512 /*cbResponseMax*/);
+ else
+ LogRel(("DBGC/Kd: Executing command \"%s\" failed with rc=%Rrc\n", pszCmd, rc));
+ }
+ }
+ else
+ rc = dbgcKdCtxDebugIoGetStrSend(pThis, pThis->Dbgc.idCpu, "VBoxDbg>", sizeof("VBoxDbg>") - 1,
+ 512 /*cbResponseMax*/);
+ }
+ else
+ LogRel(("DBGC/Kd: Received invalid DEBUG_IO packet from remote end, ignoring\n"));
+ }
+ else
+ LogRel(("DBGC/Kd: Received out of band DEBUG_IO packet from remote end, ignoring\n"));
+ break;
+ }
+ default:
+ rc = VERR_NOT_IMPLEMENTED;
+ }
+ }
+ }
+ else
+ {
+ pThis->idPktNext = pThis->PktHdr.Fields.idPacket;
+ rc = dbgcKdCtxPktSendResend(pThis);
+ }
+
+ if (pThis->fBreakinRecv)
+ {
+ pThis->fBreakinRecv = false;
+ rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
+ if (rc == VWRN_DBGF_ALREADY_HALTED)
+ rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
+ }
+
+ /* Next packet. */
+ dbgcKdCtxPktRecvReset(pThis);
+ return rc;
+}
+
+
+/**
+ * Processes the received data based on the current state.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context.
+ */
+static int dbgcKdCtxRecvDataProcess(PKDCTX pThis)
+{
+ int rc = VINF_SUCCESS;
+
+ switch (pThis->enmState)
+ {
+ case KDRECVSTATE_PACKET_HDR_FIRST_BYTE:
+ {
+ /* Does it look like a valid packet start?. */
+ if ( pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_DATA_BYTE
+ || pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_CONTROL_BYTE)
+ {
+ pThis->pbRecv = &pThis->PktHdr.ab[1];
+ pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
+ pThis->enmState = KDRECVSTATE_PACKET_HDR_SECOND_BYTE;
+ pThis->msRecvTimeout = DBGC_KD_RECV_TIMEOUT_MS;
+ }
+ else if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
+ {
+ rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
+ if (rc == VWRN_DBGF_ALREADY_HALTED)
+ rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
+ dbgcKdCtxPktRecvReset(pThis);
+ }
+ else
+ dbgcKdCtxPktRecvReset(pThis); /* Reset and continue. */
+ break;
+ }
+ case KDRECVSTATE_PACKET_HDR_SECOND_BYTE:
+ {
+ /*
+ * If the first and second byte differ there might be a single breakin
+ * packet byte received and this is actually the start of a new packet.
+ */
+ if (pThis->PktHdr.ab[0] != pThis->PktHdr.ab[1])
+ {
+ if (pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
+ {
+ /* Halt the VM and rearrange the packet receiving state machine. */
+ LogFlow(("DbgKd: Halting VM!\n"));
+
+ rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
+ pThis->PktHdr.ab[0] = pThis->PktHdr.ab[1]; /* Overwrite the first byte with the new start. */
+ pThis->pbRecv = &pThis->PktHdr.ab[1];
+ pThis->cbRecvLeft = sizeof(pThis->PktHdr.ab[1]);
+ }
+ else
+ rc = VERR_NET_PROTOCOL_ERROR; /* Refuse talking to the remote end any further. */
+ }
+ else
+ {
+ /* Normal packet receive continues with the rest of the header. */
+ pThis->pbRecv = &pThis->PktHdr.ab[2];
+ pThis->cbRecvLeft = sizeof(pThis->PktHdr.Fields) - 2;
+ pThis->enmState = KDRECVSTATE_PACKET_HDR;
+ }
+ break;
+ }
+ case KDRECVSTATE_PACKET_HDR:
+ {
+ if ( dbgcKdPktHdrValidate(&pThis->PktHdr.Fields)
+ && pThis->PktHdr.Fields.cbBody <= sizeof(pThis->abBody))
+ {
+ /* Start receiving the body. */
+ if (pThis->PktHdr.Fields.cbBody)
+ {
+ pThis->pbRecv = &pThis->abBody[0];
+ pThis->cbRecvLeft = pThis->PktHdr.Fields.cbBody;
+ pThis->enmState = KDRECVSTATE_PACKET_BODY;
+ }
+ else /* No body means no trailer byte it looks like. */
+ rc = dbgcKdCtxPktProcess(pThis);
+ }
+ else
+ rc = VERR_NET_PROTOCOL_ERROR;
+ break;
+ }
+ case KDRECVSTATE_PACKET_BODY:
+ {
+ pThis->enmState = KDRECVSTATE_PACKET_TRAILER;
+ pThis->bTrailer = 0;
+ pThis->pbRecv = &pThis->bTrailer;
+ pThis->cbRecvLeft = sizeof(pThis->bTrailer);
+ break;
+ }
+ case KDRECVSTATE_PACKET_TRAILER:
+ {
+ if (pThis->bTrailer == KD_PACKET_TRAILING_BYTE)
+ rc = dbgcKdCtxPktProcess(pThis);
+ else
+ rc = VERR_NET_PROTOCOL_ERROR;
+ break;
+ }
+ default:
+ AssertMsgFailed(("Invalid receive state %d\n", pThis->enmState));
+ }
+
+ return rc;
+}
+
+
+/**
+ * Receive data and processes complete packets.
+ *
+ * @returns Status code.
+ * @param pThis The KD context.
+ */
+static int dbgcKdCtxRecv(PKDCTX pThis)
+{
+ int rc = VINF_SUCCESS;
+
+ LogFlowFunc(("pThis=%p{.cbRecvLeft=%zu}\n", pThis, pThis->cbRecvLeft));
+
+ if (pThis->cbRecvLeft)
+ {
+ size_t cbRead = 0;
+ rc = pThis->Dbgc.pIo->pfnRead(pThis->Dbgc.pIo, pThis->pbRecv, pThis->cbRecvLeft, &cbRead);
+ if (RT_SUCCESS(rc))
+ {
+ pThis->tsRecvLast = RTTimeMilliTS();
+ pThis->cbRecvLeft -= cbRead;
+ pThis->pbRecv += cbRead;
+ if (!pThis->cbRecvLeft)
+ rc = dbgcKdCtxRecvDataProcess(pThis);
+ }
+ }
+
+ LogFlowFunc(("returns rc=%Rrc\n", rc));
+ return rc;
+}
+
+
+/**
+ * Processes debugger events.
+ *
+ * @returns VBox status code.
+ * @param pThis The KD context data.
+ * @param pEvent Pointer to event data.
+ */
+static int dbgcKdCtxProcessEvent(PKDCTX pThis, PCDBGFEVENT pEvent)
+{
+ /*
+ * Process the event.
+ */
+ PDBGC pDbgc = &pThis->Dbgc;
+ pThis->Dbgc.pszScratch = &pThis->Dbgc.achInput[0];
+ pThis->Dbgc.iArg = 0;
+ int rc = VINF_SUCCESS;
+ VMCPUID idCpuOld = pDbgc->idCpu;
+ pDbgc->idCpu = pEvent->idCpu;
+ switch (pEvent->enmType)
+ {
+ /*
+ * The first part is events we have initiated with commands.
+ */
+ case DBGFEVENT_HALT_DONE:
+ {
+ rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
+ break;
+ }
+
+ /*
+ * The second part is events which can occur at any time.
+ */
+ case DBGFEVENT_FATAL_ERROR:
+ {
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbf event: Fatal error! (%s)\n",
+ dbgcGetEventCtx(pEvent->enmCtx));
+ if (RT_SUCCESS(rc))
+ rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
+ break;
+ }
+
+ case DBGFEVENT_BREAKPOINT:
+ case DBGFEVENT_BREAKPOINT_IO:
+ case DBGFEVENT_BREAKPOINT_MMIO:
+ case DBGFEVENT_BREAKPOINT_HYPER:
+ {
+ rc = dbgcBpExec(pDbgc, pEvent->u.Bp.hBp);
+ switch (rc)
+ {
+ case VERR_DBGC_BP_NOT_FOUND:
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Unknown breakpoint %u! (%s)\n",
+ pEvent->u.Bp.hBp, dbgcGetEventCtx(pEvent->enmCtx));
+ break;
+
+ case VINF_DBGC_BP_NO_COMMAND:
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! (%s)\n",
+ pEvent->u.Bp.hBp, dbgcGetEventCtx(pEvent->enmCtx));
+ break;
+
+ case VINF_BUFFER_OVERFLOW:
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: Breakpoint %u! Command too long to execute! (%s)\n",
+ pEvent->u.Bp.hBp, dbgcGetEventCtx(pEvent->enmCtx));
+ break;
+
+ default:
+ break;
+ }
+ if (RT_SUCCESS(rc) && DBGFR3IsHalted(pDbgc->pUVM, VMCPUID_ALL))
+ {
+ rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
+
+ /* Set the resume flag to ignore the breakpoint when resuming execution. */
+ if ( RT_SUCCESS(rc)
+ && pEvent->enmType == DBGFEVENT_BREAKPOINT)
+ rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r eflags.rf = 1");
+ }
+
+ /* Figure out the breakpoint and set the triggered flag for emulation of DR6. */
+ for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
+ {
+ if (pThis->aHwBp[i].hDbgfBp == pEvent->u.Bp.hBp)
+ {
+ pThis->aHwBp[i].fTriggered = true;
+ break;
+ }
+ }
+
+ rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
+ break;
+ }
+
+ case DBGFEVENT_STEPPED:
+ case DBGFEVENT_STEPPED_HYPER:
+ {
+ pThis->fSingleStepped = true; /* For emulation of DR6. */
+ rc = dbgcKdCtxStateChangeSend(pThis, pEvent->enmType);
+ break;
+ }
+
+ case DBGFEVENT_ASSERTION_HYPER:
+ {
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
+ "\ndbgf event: Hypervisor Assertion! (%s)\n"
+ "%s"
+ "%s"
+ "\n",
+ dbgcGetEventCtx(pEvent->enmCtx),
+ pEvent->u.Assert.pszMsg1,
+ pEvent->u.Assert.pszMsg2);
+ if (RT_SUCCESS(rc))
+ rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
+ break;
+ }
+
+ case DBGFEVENT_DEV_STOP:
+ {
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
+ "\n"
+ "dbgf event: DBGFSTOP (%s)\n"
+ "File: %s\n"
+ "Line: %d\n"
+ "Function: %s\n",
+ dbgcGetEventCtx(pEvent->enmCtx),
+ pEvent->u.Src.pszFile,
+ pEvent->u.Src.uLine,
+ pEvent->u.Src.pszFunction);
+ if (RT_SUCCESS(rc) && pEvent->u.Src.pszMessage && *pEvent->u.Src.pszMessage)
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
+ "Message: %s\n",
+ pEvent->u.Src.pszMessage);
+ if (RT_SUCCESS(rc))
+ rc = pDbgc->CmdHlp.pfnExec(&pDbgc->CmdHlp, "r");
+ break;
+ }
+
+
+ case DBGFEVENT_INVALID_COMMAND:
+ {
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Invalid command event!\n");
+ break;
+ }
+
+ case DBGFEVENT_POWERING_OFF:
+ {
+ pThis->Dbgc.fReady = false;
+ pThis->Dbgc.pIo->pfnSetReady(pThis->Dbgc.pIo, false);
+ rc = VERR_GENERAL_FAILURE;
+ break;
+ }
+
+ default:
+ {
+ /*
+ * Probably a generic event. Look it up to find its name.
+ */
+ PCDBGCSXEVT pEvtDesc = dbgcEventLookup(pEvent->enmType);
+ if (pEvtDesc)
+ {
+ if (pEvtDesc->enmKind == kDbgcSxEventKind_Interrupt)
+ {
+ Assert(pEvtDesc->pszDesc);
+ Assert(pEvent->u.Generic.cArgs == 1);
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s no %#llx! (%s)\n",
+ pEvtDesc->pszDesc, pEvent->u.Generic.auArgs[0], pEvtDesc->pszName);
+ }
+ else if (pEvtDesc->fFlags & DBGCSXEVT_F_BUGCHECK)
+ {
+ Assert(pEvent->u.Generic.cArgs >= 5);
+ char szDetails[512];
+ DBGFR3FormatBugCheck(pDbgc->pUVM, szDetails, sizeof(szDetails), pEvent->u.Generic.auArgs[0],
+ pEvent->u.Generic.auArgs[1], pEvent->u.Generic.auArgs[2],
+ pEvent->u.Generic.auArgs[3], pEvent->u.Generic.auArgs[4]);
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s %s%s!\n%s", pEvtDesc->pszName,
+ pEvtDesc->pszDesc ? "- " : "", pEvtDesc->pszDesc ? pEvtDesc->pszDesc : "",
+ szDetails);
+ }
+ else if ( (pEvtDesc->fFlags & DBGCSXEVT_F_TAKE_ARG)
+ || pEvent->u.Generic.cArgs > 1
+ || ( pEvent->u.Generic.cArgs == 1
+ && pEvent->u.Generic.auArgs[0] != 0))
+ {
+ if (pEvtDesc->pszDesc)
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!",
+ pEvtDesc->pszName, pEvtDesc->pszDesc);
+ else
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!", pEvtDesc->pszName);
+ if (pEvent->u.Generic.cArgs <= 1)
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " arg=%#llx\n", pEvent->u.Generic.auArgs[0]);
+ else
+ {
+ for (uint32_t i = 0; i < pEvent->u.Generic.cArgs; i++)
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, " args[%u]=%#llx", i, pEvent->u.Generic.auArgs[i]);
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\n");
+ }
+ }
+ else
+ {
+ if (pEvtDesc->pszDesc)
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s - %s!\n",
+ pEvtDesc->pszName, pEvtDesc->pszDesc);
+ else
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf event: %s!\n", pEvtDesc->pszName);
+ }
+ }
+ else
+ rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\ndbgf/dbgc error: Unknown event %d!\n", pEvent->enmType);
+ break;
+ }
+ }
+
+ pDbgc->idCpu = idCpuOld;
+ return rc;
+}
+
+
+/**
+ * Handle a receive timeout.
+ *
+ * @returns VBox status code.
+ * @param pThis Pointer to the KD context.
+ */
+static int dbgcKdCtxRecvTimeout(PKDCTX pThis)
+{
+ int rc = VINF_SUCCESS;
+
+ LogFlowFunc(("pThis=%p\n", pThis));
+
+ /*
+ * If a single breakin packet byte was received but the header is otherwise incomplete
+ * the VM is halted and a state change will be sent in the event processing loop.
+ */
+ if ( pThis->enmState == KDRECVSTATE_PACKET_HDR_SECOND_BYTE
+ && pThis->PktHdr.ab[0] == KD_PACKET_HDR_SIGNATURE_BREAKIN_BYTE)
+ {
+ LogFlow(("DbgKd: Halting VM!\n"));
+ rc = DBGFR3Halt(pThis->Dbgc.pUVM, VMCPUID_ALL);
+ }
+ else /* Send a reset packet */ /** @todo Figure out the semantics in this case exactly. */
+ rc = dbgcKdCtxPktSendReset(pThis);
+
+ dbgcKdCtxPktRecvReset(pThis);
+
+ LogFlowFunc(("rc=%Rrc\n", rc));
+ return rc;
+}
+
+
+/**
+ * @copydoc DBGC::pfnOutput
+ */
+static DECLCALLBACK(int) dbgcKdOutput(void *pvUser, const char *pachChars, size_t cbChars)
+{
+ PKDCTX pThis = (PKDCTX)pvUser;
+
+ return dbgcKdCtxDebugIoStrSend(pThis, pThis->Dbgc.idCpu, pachChars, cbChars);
+}
+
+
+/**
+ * Run the debugger console.
+ *
+ * @returns VBox status code.
+ * @param pThis Pointer to the KD context.
+ */
+int dbgcKdRun(PKDCTX pThis)
+{
+ /*
+ * We're ready for commands now.
+ */
+ pThis->Dbgc.fReady = true;
+ pThis->Dbgc.pIo->pfnSetReady(pThis->Dbgc.pIo, true);
+
+ /*
+ * Main Debugger Loop.
+ *
+ * This loop will either block on waiting for input or on waiting on
+ * debug events. If we're forwarding the log we cannot wait for long
+ * before we must flush the log.
+ */
+ int rc;
+ for (;;)
+ {
+ rc = VERR_SEM_OUT_OF_TURN;
+ if (pThis->Dbgc.pUVM)
+ rc = DBGFR3QueryWaitable(pThis->Dbgc.pUVM);
+
+ if (RT_SUCCESS(rc))
+ {
+ /*
+ * Wait for a debug event.
+ */
+ DBGFEVENT Evt;
+ rc = DBGFR3EventWait(pThis->Dbgc.pUVM, 32, &Evt);
+ if (RT_SUCCESS(rc))
+ {
+ rc = dbgcKdCtxProcessEvent(pThis, &Evt);
+ if (RT_FAILURE(rc))
+ break;
+ }
+ else if (rc != VERR_TIMEOUT)
+ break;
+
+ /*
+ * Check for input.
+ */
+ if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, 0))
+ {
+ rc = dbgcKdCtxRecv(pThis);
+ if (RT_FAILURE(rc))
+ break;
+ }
+ }
+ else if (rc == VERR_SEM_OUT_OF_TURN)
+ {
+ /*
+ * Wait for input.
+ */
+ if (pThis->Dbgc.pIo->pfnInput(pThis->Dbgc.pIo, 1000))
+ {
+ rc = dbgcKdCtxRecv(pThis);
+ if (RT_FAILURE(rc))
+ break;
+ }
+ else if ( pThis->msRecvTimeout != RT_INDEFINITE_WAIT
+ && (RTTimeMilliTS() - pThis->tsRecvLast >= pThis->msRecvTimeout))
+ rc = dbgcKdCtxRecvTimeout(pThis);
+ }
+ else
+ break;
+ }
+
+ return rc;
+}
+
+
+/**
+ * Creates a KD context instance with the given backend.
+ *
+ * @returns VBox status code.
+ * @param ppKdCtx Where to store the pointer to the KD stub context instance on success.
+ * @param pIo Pointer to the I/O callback table.
+ * @param fFlags Flags controlling the behavior.
+ */
+static int dbgcKdCtxCreate(PPKDCTX ppKdCtx, PCDBGCIO pIo, unsigned fFlags)
+{
+ /*
+ * Validate input.
+ */
+ AssertPtrReturn(pIo, VERR_INVALID_POINTER);
+ AssertMsgReturn(!fFlags, ("%#x", fFlags), VERR_INVALID_PARAMETER);
+
+ /*
+ * Allocate and initialize.
+ */
+ PKDCTX pThis = (PKDCTX)RTMemAllocZ(sizeof(*pThis));
+ if (!pThis)
+ return VERR_NO_MEMORY;
+
+ dbgcInitCmdHlp(&pThis->Dbgc);
+ /*
+ * This is compied from the native debug console (will be used for monitor commands)
+ * in DBGCConsole.cpp. Try to keep both functions in sync.
+ */
+ pThis->Dbgc.pIo = pIo;
+ pThis->Dbgc.pfnOutput = dbgcKdOutput;
+ pThis->Dbgc.pvOutputUser = pThis;
+ pThis->Dbgc.pVM = NULL;
+ pThis->Dbgc.pUVM = NULL;
+ pThis->Dbgc.idCpu = 0;
+ pThis->Dbgc.hDbgAs = DBGF_AS_GLOBAL;
+ pThis->Dbgc.pszEmulation = "CodeView/WinDbg";
+ pThis->Dbgc.paEmulationCmds = &g_aCmdsCodeView[0];
+ pThis->Dbgc.cEmulationCmds = g_cCmdsCodeView;
+ pThis->Dbgc.paEmulationFuncs = &g_aFuncsCodeView[0];
+ pThis->Dbgc.cEmulationFuncs = g_cFuncsCodeView;
+ //pThis->Dbgc.fLog = false;
+ pThis->Dbgc.fRegTerse = true;
+ pThis->Dbgc.fStepTraceRegs = true;
+ //pThis->Dbgc.cPagingHierarchyDumps = 0;
+ //pThis->Dbgc.DisasmPos = {0};
+ //pThis->Dbgc.SourcePos = {0};
+ //pThis->Dbgc.DumpPos = {0};
+ pThis->Dbgc.pLastPos = &pThis->Dbgc.DisasmPos;
+ //pThis->Dbgc.cbDumpElement = 0;
+ //pThis->Dbgc.cVars = 0;
+ //pThis->Dbgc.paVars = NULL;
+ //pThis->Dbgc.pPlugInHead = NULL;
+ //pThis->Dbgc.pFirstBp = NULL;
+ //pThis->Dbgc.abSearch = {0};
+ //pThis->Dbgc.cbSearch = 0;
+ pThis->Dbgc.cbSearchUnit = 1;
+ pThis->Dbgc.cMaxSearchHits = 1;
+ //pThis->Dbgc.SearchAddr = {0};
+ //pThis->Dbgc.cbSearchRange = 0;
+
+ //pThis->Dbgc.uInputZero = 0;
+ //pThis->Dbgc.iRead = 0;
+ //pThis->Dbgc.iWrite = 0;
+ //pThis->Dbgc.cInputLines = 0;
+ //pThis->Dbgc.fInputOverflow = false;
+ pThis->Dbgc.fReady = true;
+ pThis->Dbgc.pszScratch = &pThis->Dbgc.achScratch[0];
+ //pThis->Dbgc.iArg = 0;
+ //pThis->Dbgc.rcOutput = 0;
+ //pThis->Dbgc.rcCmd = 0;
+
+ //pThis->Dbgc.pszHistoryFile = NULL;
+ //pThis->Dbgc.pszGlobalInitScript = NULL;
+ //pThis->Dbgc.pszLocalInitScript = NULL;
+
+ dbgcEvalInit();
+
+ pThis->fBreakinRecv = false;
+ pThis->fInVBoxDbg = false;
+ pThis->idPktNext = KD_PACKET_HDR_ID_INITIAL;
+ pThis->pIfWinNt = NULL;
+ pThis->f32Bit = false;
+ dbgcKdCtxPktRecvReset(pThis);
+
+ for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aHwBp); i++)
+ {
+ PKDCTXHWBP pBp = &pThis->aHwBp[i];
+ pBp->hDbgfBp = NIL_DBGFBP;
+ }
+
+ dbgcKdCtxHwBpReset(pThis);
+
+ *ppKdCtx = pThis;
+ return VINF_SUCCESS;
+}
+
+
+/**
+ * Destroys the given KD context.
+ *
+ * @param pThis The KD context to destroy.
+ */
+static void dbgcKdCtxDestroy(PKDCTX pThis)
+{
+ AssertPtr(pThis);
+
+ pThis->pIfWinNt = NULL;
+
+ /* Detach from the VM. */
+ if (pThis->Dbgc.pUVM)
+ DBGFR3Detach(pThis->Dbgc.pUVM);
+
+ /* Free config strings. */
+ RTStrFree(pThis->Dbgc.pszGlobalInitScript);
+ pThis->Dbgc.pszGlobalInitScript = NULL;
+ RTStrFree(pThis->Dbgc.pszLocalInitScript);
+ pThis->Dbgc.pszLocalInitScript = NULL;
+ RTStrFree(pThis->Dbgc.pszHistoryFile);
+ pThis->Dbgc.pszHistoryFile = NULL;
+
+ /* Finally, free the instance memory. */
+ RTMemFree(pThis);
+}
+
+
+DECL_HIDDEN_CALLBACK(int) dbgcKdStubRunloop(PUVM pUVM, PCDBGCIO pIo, unsigned fFlags)
+{
+ /*
+ * Validate input.
+ */
+ AssertPtrNullReturn(pUVM, VERR_INVALID_VM_HANDLE);
+ PVM pVM = NULL;
+ if (pUVM)
+ {
+ pVM = VMR3GetVM(pUVM);
+ AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
+ }
+
+ /*
+ * Allocate and initialize instance data
+ */
+ PKDCTX pThis;
+ int rc = dbgcKdCtxCreate(&pThis, pIo, fFlags);
+ if (RT_FAILURE(rc))
+ return rc;
+ if (!HMR3IsEnabled(pUVM) && !NEMR3IsEnabled(pUVM))
+ pThis->Dbgc.hDbgAs = DBGF_AS_RC_AND_GC_GLOBAL;
+
+ /*
+ * Attach to the specified VM.
+ */
+ if (RT_SUCCESS(rc) && pUVM)
+ {
+ rc = DBGFR3Attach(pUVM);
+ if (RT_SUCCESS(rc))
+ {
+ pThis->Dbgc.pVM = pVM;
+ pThis->Dbgc.pUVM = pUVM;
+ pThis->Dbgc.idCpu = 0;
+ }
+ else
+ rc = pThis->Dbgc.CmdHlp.pfnVBoxError(&pThis->Dbgc.CmdHlp, rc, "When trying to attach to VM %p\n", pThis->Dbgc.pVM);
+ }
+
+ /*
+ * Load plugins.
+ */
+ if (RT_SUCCESS(rc))
+ {
+ if (pVM)
+ DBGFR3PlugInLoadAll(pThis->Dbgc.pUVM);
+ dbgcEventInit(&pThis->Dbgc);
+
+ /*
+ * Run the debugger main loop.
+ */
+ rc = dbgcKdRun(pThis);
+ dbgcEventTerm(&pThis->Dbgc);
+ }
+
+ /*
+ * Cleanup console debugger session.
+ */
+ dbgcKdCtxDestroy(pThis);
+ return rc == VERR_DBGC_QUIT ? VINF_SUCCESS : rc;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 07:55:44 +0000