Source code of Windows XP (NT5)
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84 KiB

//----------------------------------------------------------------------------
//
// Abstraction of target-specific information.
//
// Copyright (C) Microsoft Corporation, 1999-2001.
//
//----------------------------------------------------------------------------
#include "ntsdp.hpp"
//
// Note by olegk
// We using KLDR_DATA_TABLE_ENTRY64 in some places like
// GetModNameFromLoaderList) instead of LDR_DATA_TABLE_ENTRY assuming that
// most important fields are the same in these structures.
// So I add some asserts for quick notification if anything will change
// (these are not fullproof checks just a basics)
//
C_ASSERT(&(((PLDR_DATA_TABLE_ENTRY64)0)->InLoadOrderLinks) ==
&(((PKLDR_DATA_TABLE_ENTRY64)0)->InLoadOrderLinks));
C_ASSERT(&(((PLDR_DATA_TABLE_ENTRY64)0)->DllBase) ==
&(((PKLDR_DATA_TABLE_ENTRY64)0)->DllBase));
C_ASSERT(&(((PLDR_DATA_TABLE_ENTRY64)0)->FullDllName) ==
&(((PKLDR_DATA_TABLE_ENTRY64)0)->FullDllName));
DBGKD_GET_VERSION64 g_KdVersion;
PCSTR g_NtSverNames[] =
{
"Windows NT 4", "Windows 2000 RC3", "Windows 2000", "Windows XP",
};
PCSTR g_W9xSverNames[] =
{
"Windows 95", "Windows 98", "Windows 98 SE", "Windows ME",
};
PCSTR g_XBoxSverNames[] =
{
"XBox",
};
PCSTR g_BigSverNames[] =
{
"BIG KD Emulation",
};
PCSTR g_ExdiSverNames[] =
{
"eXDI Device",
};
PCSTR g_NtBdSverNames[] =
{
"Windows Boot Debugger",
};
PCSTR g_EfiSverNames[] =
{
"EFI KD Emulation",
};
//----------------------------------------------------------------------------
//
// Support functions.
//
//----------------------------------------------------------------------------
ULONG
NtBuildToSystemVersion(ULONG Build)
{
if (Build > 2195)
{
return NT_SVER_W2K_WHISTLER;
}
else if (Build > 2183)
{
return NT_SVER_W2K;
}
else if (Build > 1381)
{
return NT_SVER_W2K_RC3;
}
else
{
return NT_SVER_NT4;
}
}
// Taken from http://kbinternal/kb/articles/q158/2/38.htm
//
// Release Version File dates
// ---------------------------------------------------------------------
// Windows 95 retail, OEM 4.00.950 7/11/95
// Windows 95 retail SP1 4.00.950A 7/11/95
// OEM Service Release 1 4.00.950A 7/11/95
// OEM Service Release 2 4.00.1111* (4.00.950B) 8/24/96
// OEM Service Release 2.1 4.03.1212-1214* (4.00.950B) 8/24/96-8/27/97
// OEM Service Release 2.5 4.03.1214* (4.00.950C) 8/24/96-11/18/97
// Windows 98 retail, OEM 4.10.1998 5/11/98
// Windows 98 Second Edition 4.10.2222A 4/23/99
ULONG
Win9xBuildToSystemVersion(ULONG Build)
{
if (Build > 2222)
{
return W9X_SVER_WME;
}
else if (Build > 1998)
{
return W9X_SVER_W98SE;
}
else if (Build > 950)
{
return W9X_SVER_W98;
}
else
{
return W9X_SVER_W95;
}
}
void
SetTargetSystemVersionAndBuild(ULONG Build, ULONG PlatformId)
{
if (PlatformId == VER_PLATFORM_WIN32_NT)
{
g_ActualSystemVersion = NtBuildToSystemVersion(Build);
g_SystemVersion = g_ActualSystemVersion;
}
else
{
// Win9x puts the major and minor versions in the high word
// of the build number so mask them off.
Build &= 0xffff;
g_ActualSystemVersion = Win9xBuildToSystemVersion(Build);
// Win98SE was the first Win9x version to support
// the extended registers thread context flag.
if (g_ActualSystemVersion >= W9X_SVER_W98SE)
{
g_SystemVersion = NT_SVER_W2K;
}
else
{
g_SystemVersion = NT_SVER_NT4;
}
}
g_TargetBuildNumber = Build;
}
PCSTR
SystemVersionName(ULONG Sver)
{
if (Sver > NT_SVER_START && Sver < NT_SVER_END)
{
return g_NtSverNames[Sver - NT_SVER_START - 1];
}
else if (Sver > W9X_SVER_START && Sver < W9X_SVER_END)
{
return g_W9xSverNames[Sver - W9X_SVER_START - 1];
}
else if (Sver > XBOX_SVER_START && Sver < XBOX_SVER_END)
{
return g_XBoxSverNames[Sver - XBOX_SVER_START - 1];
}
else if (Sver > BIG_SVER_START && Sver < BIG_SVER_END)
{
return g_BigSverNames[Sver - BIG_SVER_START - 1];
}
else if (Sver > EXDI_SVER_START && Sver < EXDI_SVER_END)
{
return g_ExdiSverNames[Sver - EXDI_SVER_START - 1];
}
else if (Sver > NTBD_SVER_START && Sver < NTBD_SVER_END)
{
return g_NtBdSverNames[Sver - NTBD_SVER_START - 1];
}
else if (Sver > EFI_SVER_START && Sver < EFI_SVER_END)
{
return g_EfiSverNames[Sver - EFI_SVER_START - 1];
}
return "Unknown System";
}
BOOL
GetUserModuleListAddress(
MachineInfo* Machine,
ULONG64 Peb,
BOOL Quiet,
PULONG64 OrderModuleListStart,
PULONG64 FirstEntry
)
{
ULONG64 PebLdrOffset;
ULONG64 ModuleListOffset;
ULONG64 PebAddr;
ULONG64 PebLdr = 0;
*OrderModuleListStart = 0;
*FirstEntry = 0;
//
// Triage dumps have no user mode information.
// User-mode minidumps don't have a loader list.
//
if (IS_KERNEL_TRIAGE_DUMP() || IS_USER_MINI_DUMP())
{
return FALSE;
}
if (Machine->m_Ptr64)
{
PebLdrOffset = PEBLDR_FROM_PEB64;
ModuleListOffset = MODULE_LIST_FROM_PEBLDR64;
}
else
{
PebLdrOffset = PEBLDR_FROM_PEB32;
ModuleListOffset = MODULE_LIST_FROM_PEBLDR32;
}
if (!Peb)
{
if (GetImplicitProcessDataPeb(&Peb) != S_OK)
{
if (!Quiet)
{
ErrOut("Unable to read KPROCESS\n");
}
return FALSE;
}
if ( (Peb == 0) )
{
// This is a common error as the system process has no
// user address space.
if (!Quiet)
{
ErrOut("Unable to retrieve the PEB address. "
"This is usually caused\n");
ErrOut("by being in the wrong process context or by paging\n");
}
return FALSE;
}
}
//
// Read address the PEB Ldr data from the PEB structure
//
Peb += PebLdrOffset;
if ( (g_Target->ReadPointer(Machine, Peb, &PebLdr) != S_OK) ||
(PebLdr == 0) )
{
if (!Quiet)
{
ErrOut("PPEB_LDR_DATA is NULL (Peb = %s)\n",
FormatMachineAddr64(Machine, Peb));
ErrOut("This is usually caused by being in the wrong process\n");
ErrOut("context or by paging\n");
}
return FALSE;
}
//
// Read address of the user mode module list from the PEB Ldr Data.
//
PebLdr += ModuleListOffset;
*OrderModuleListStart = PebLdr;
if ( (g_Target->ReadPointer(Machine, PebLdr, FirstEntry) != S_OK) ||
(*FirstEntry == 0) )
{
if (!Quiet)
{
ErrOut("UserMode Module List Address is NULL (Addr= %s)\n",
FormatMachineAddr64(Machine, PebLdr));
ErrOut("This is usually caused by being in the wrong process\n");
ErrOut("context or by paging\n");
}
return FALSE;
}
return TRUE;
}
BOOL
GetModNameFromLoaderList(
MachineInfo* Machine,
ULONG64 Peb,
ULONG64 ModuleBase,
PSTR NameBuffer,
ULONG BufferSize,
BOOL FullPath
)
{
ULONG64 ModList;
ULONG64 List;
HRESULT Status;
KLDR_DATA_TABLE_ENTRY64 Entry;
WCHAR UnicodeBuffer[MAX_IMAGE_PATH];
ULONG Read;
if (!GetUserModuleListAddress(Machine, Peb, TRUE, &ModList, &List))
{
return FALSE;
}
while (List != ModList)
{
Status = g_Target->ReadLoaderEntry(Machine, List, &Entry);
if (Status != S_OK)
{
ErrOut("Unable to read LDR_DATA_TABLE_ENTRY at %s - %s\n",
FormatMachineAddr64(Machine, List),
FormatStatusCode(Status));
return FALSE;
}
List = Entry.InLoadOrderLinks.Flink;
if (Entry.DllBase == ModuleBase)
{
UNICODE_STRING64 Name;
//
// We found a matching entry. Try to get the name.
//
if (FullPath)
{
Name = Entry.FullDllName;
}
else
{
Name = Entry.BaseDllName;
}
if (Name.Length == 0 ||
Name.Buffer == 0 ||
Name.Length >= sizeof(UnicodeBuffer) - sizeof(WCHAR))
{
return FALSE;
}
Status = g_Target->ReadVirtual(Name.Buffer, UnicodeBuffer,
Name.Length, &Read);
if (Status != S_OK || Read < Name.Length)
{
ErrOut("Unable to read name string at %s - %s\n",
FormatMachineAddr64(Machine, Name.Buffer),
FormatStatusCode(Status));
return FALSE;
}
UnicodeBuffer[Name.Length / sizeof(WCHAR)] = UNICODE_NULL;
if (!WideCharToMultiByte(CP_ACP, 0, UnicodeBuffer,
Name.Length / sizeof(WCHAR) + 1,
NameBuffer, BufferSize,
NULL, NULL))
{
ErrOut("Unable to convert Unicode string %ls to ANSI\n",
UnicodeBuffer);
return FALSE;
}
return TRUE;
}
}
return FALSE;
}
void
SetTargetNtCsdVersion(ULONG CsdVersion)
{
g_TargetServicePackNumber = CsdVersion;
if (CsdVersion == 0)
{
g_TargetServicePackString[0] = 0;
return;
}
PSTR Str = g_TargetServicePackString;
*Str = 0;
if (CsdVersion & 0xFFFF)
{
sprintf(Str, "Service Pack %u", (CsdVersion & 0xFF00) >> 8);
Str += strlen(Str);
if (CsdVersion & 0xFF)
{
*Str++ = 'A' + (char)(CsdVersion & 0xFF) - 1;
*Str = 0;
}
}
if (CsdVersion & 0xFFFF0000)
{
if (CsdVersion & 0xFFFF)
{
strcpy(Str, ", ");
Str += strlen(Str);
}
sprintf(Str, "RC %u", (CsdVersion >> 24) & 0xFF);
Str += strlen(Str);
if (CsdVersion & 0x00FF0000)
{
sprintf(Str, ".%u", (CsdVersion >> 16) & 0xFF);
Str += strlen(Str);
}
}
}
//----------------------------------------------------------------------------
//
// Module list abstraction.
//
//----------------------------------------------------------------------------
void
ModuleInfo::ReadImageHeaderInfo(PMODULE_INFO_ENTRY Entry)
{
HRESULT Status;
UCHAR SectorBuffer[ 512 ];
PIMAGE_NT_HEADERS64 NtHeaders;
ULONG Result;
if (Entry->ImageInfoValid)
{
return;
}
//
// For live debugging of both user mode and kernel mode, we have
// to go load the checksum timestamp directly out of the image header
// because someone decided to overwrite these fields in the OS
// module list - Argh !
//
Entry->CheckSum = UNKNOWN_CHECKSUM;
Entry->TimeDateStamp = UNKNOWN_TIMESTAMP;
Status = g_Target->ReadVirtual(Entry->Base, SectorBuffer,
sizeof(SectorBuffer), &Result);
if (Status == S_OK && Result >= sizeof(SectorBuffer))
{
NtHeaders = (PIMAGE_NT_HEADERS64)ImageNtHeader(SectorBuffer);
if (NtHeaders != NULL)
{
switch (NtHeaders->OptionalHeader.Magic)
{
case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
Entry->CheckSum = ((PIMAGE_NT_HEADERS32)NtHeaders)->
OptionalHeader.CheckSum;
Entry->Size = ((PIMAGE_NT_HEADERS32)NtHeaders)->
OptionalHeader.SizeOfImage;
Entry->SizeOfCode = ((PIMAGE_NT_HEADERS32)NtHeaders)->
OptionalHeader.SizeOfCode;
Entry->SizeOfData = ((PIMAGE_NT_HEADERS32)NtHeaders)->
OptionalHeader.SizeOfInitializedData;
break;
case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
Entry->CheckSum = NtHeaders->OptionalHeader.CheckSum;
Entry->Size = NtHeaders->OptionalHeader.SizeOfImage;
Entry->SizeOfCode = NtHeaders->OptionalHeader.SizeOfCode;
Entry->SizeOfData =
NtHeaders->OptionalHeader.SizeOfInitializedData;
break;
}
Entry->TimeDateStamp = NtHeaders->FileHeader.TimeDateStamp;
Entry->ImageInfoValid = 1;
}
}
}
HRESULT
NtModuleInfo::GetEntry(PMODULE_INFO_ENTRY Entry)
{
HRESULT Status;
ULONG Result = 0;
ULONG Length;
ULONG64 Buffer;
if (m_Cur == m_Head)
{
return S_FALSE;
}
KLDR_DATA_TABLE_ENTRY64 LdrEntry;
Status = g_Target->ReadLoaderEntry(m_Machine, m_Cur, &LdrEntry);
if (Status != S_OK)
{
ErrOut("Unable to read KLDR_DATA_TABLE_ENTRY at %s - %s\n",
FormatAddr64(m_Cur), FormatStatusCode(Status));
return Status;
}
m_Cur = LdrEntry.InLoadOrderLinks.Flink;
//
// Get the image path if possible, otherwise
// just use the image base name.
//
Entry->NamePtr = NULL;
Entry->NameLength = 0;
Length = (ULONG)(ULONG_PTR) LdrEntry.FullDllName.Length;
Buffer = LdrEntry.FullDllName.Buffer;
// In the NT4 dumps that we have the long name may
// point to valid memory but the memory content is
// rarely the correct name, so just don't bother
// trying to read the long name on NT4.
if (g_SystemVersion >= NT_SVER_W2K &&
Length != 0 && Buffer != 0 &&
Length < (MAX_IMAGE_PATH * sizeof(WCHAR)))
{
Status = g_Target->ReadVirtual(Buffer,
Entry->Buffer,
Length,
&Result);
if (Status != S_OK || (Result < Length))
{
// Make this a verbose message since it's possible the
// name is simply paged out.
VerbOut("Unable to read NT module Full Name string at %s - %s\n",
FormatAddr64(Buffer), FormatStatusCode(Status));
Result = 0;
}
}
if (!Result)
{
Length = (ULONG)(ULONG_PTR) LdrEntry.BaseDllName.Length;
Buffer = LdrEntry.BaseDllName.Buffer;
if (Length != 0 && Buffer != 0 &&
Length < (MAX_IMAGE_PATH * sizeof(WCHAR)))
{
Status = g_Target->ReadVirtual(Buffer,
Entry->Buffer,
Length,
&Result);
if (Status != S_OK || (Result < Length))
{
WarnOut("Unable to read NT module Base Name "
"string at %s - %s\n",
FormatAddr64(Buffer), FormatStatusCode(Status));
Result = 0;
}
}
}
if (!Result)
{
// We did not get any name - just return.
return S_OK;
}
*(PWCHAR)(Entry->Buffer + Length) = UNICODE_NULL;
Entry->NamePtr = &(Entry->Buffer[0]);
Entry->NameLength = Length;
Entry->UnicodeNamePtr = 1;
Entry->Base = LdrEntry.DllBase;
Entry->Size = LdrEntry.SizeOfImage;
Entry->CheckSum = LdrEntry.CheckSum;
Entry->TimeDateStamp = LdrEntry.TimeDateStamp;
//
// Update the image informaion, such as timestamp and real image size,
// Directly from the image header
//
ReadImageHeaderInfo(Entry);
//
// For newer NT builds, we also have an alternate entry in the
// LdrDataTable to store image information in case the actual header
// is paged out. We do this for session space images only right now.
//
if (LdrEntry.Flags & LDRP_NON_PAGED_DEBUG_INFO)
{
NON_PAGED_DEBUG_INFO di;
Status = g_Target->ReadVirtual(LdrEntry.NonPagedDebugInfo,
&di,
sizeof(di), // Only read the base struct
&Result);
if (Status != S_OK || (Result < sizeof(di)))
{
WarnOut("Unable to read NonPagedDebugInfo at %s - %s\n",
FormatAddr64(LdrEntry.NonPagedDebugInfo),
FormatStatusCode(Status));
return S_OK;
}
Entry->TimeDateStamp = di.TimeDateStamp;
Entry->CheckSum = di.CheckSum;
Entry->Size = di.SizeOfImage;
Entry->ImageInfoPartial = 1;
Entry->ImageInfoValid = 1;
if (di.Flags == 1)
{
Entry->DebugHeader = malloc(di.Size - sizeof(di));
if (Entry->DebugHeader)
{
Status = g_Target->ReadVirtual(LdrEntry.NonPagedDebugInfo +
sizeof(di),
Entry->DebugHeader,
di.Size - sizeof(di),
&Result);
if (Status != S_OK || (Result < di.Size - sizeof(di)))
{
WarnOut("Unable to read NonPagedDebugInfo data at %s - %s\n",
FormatAddr64(LdrEntry.NonPagedDebugInfo + sizeof(di)),
FormatStatusCode(Status));
return S_OK;
}
Entry->ImageDebugHeader = 1;
Entry->SizeOfDebugHeader = di.Size - sizeof(di);
}
}
}
return S_OK;
}
HRESULT
NtKernelModuleInfo::Initialize(void)
{
HRESULT Status;
LIST_ENTRY64 List64;
m_Machine = g_TargetMachine;
if ((m_Head = KdDebuggerData.PsLoadedModuleList) == 0)
{
//
// This field is ALWAYS set in NT 5 targets.
//
// We will only fail here if someone changed the debugger code
// and did not "make up" this structure properly for NT 4 or
// dump targets..
//
ErrOut("Module List address is NULL - "
"debugger not initialized properly.\n");
return E_FAIL;
}
Status = g_Target->ReadListEntry(m_Machine, m_Head, &List64);
//
// In live debug sessions, the debugger connects before Mm creates
// the actual module list.
// If we are this early on, try to load symbols from the loader
// block module list (NT 6). Otherwise, just fail and we will
// get called back later by the ntoskrnl.exe module load call.
//
// For dumps, (not user mode or triage) the data should always
// be initialized.
//
if ( (Status == S_OK) && (List64.Flink) )
{
m_Cur = List64.Flink;
}
else
{
dprintf("PsLoadedModuleList not initialized yet. "
"Delay kernel load.\n");
return S_FALSE;
}
return S_OK;
}
NtKernelModuleInfo g_NtKernelModuleIterator;
HRESULT
NtUserModuleInfo::Initialize(void)
{
return GetUserModuleListAddress(m_Machine, m_Peb, FALSE, &m_Head, &m_Cur) ?
S_OK : S_FALSE;
}
HRESULT
NtTargetUserModuleInfo::Initialize(void)
{
m_Machine = g_TargetMachine;
m_Peb = 0;
return NtUserModuleInfo::Initialize();
}
NtTargetUserModuleInfo g_NtTargetUserModuleIterator;
HRESULT
NtWow64UserModuleInfo::Initialize(void)
{
HRESULT Status;
if (g_TargetMachine->m_NumExecTypes < 2)
{
return E_UNEXPECTED;
}
m_Machine = MachineTypeInfo(g_TargetMachine->m_ExecTypes[1]);
if ((Status = GetPeb32(&m_Peb)) != S_OK)
{
return Status;
}
return NtUserModuleInfo::Initialize();
}
HRESULT
NtWow64UserModuleInfo::GetPeb32(PULONG64 Peb32)
{
ULONG64 Teb;
ULONG64 Teb32;
ULONG Result;
HRESULT Status;
if ((Status = GetImplicitThreadDataTeb(&Teb)) == S_OK)
{
if ((Status = g_Target->ReadPointer(g_TargetMachine,
Teb, &Teb32)) == S_OK)
{
if (!Teb32)
{
return E_UNEXPECTED;
}
ULONG RawPeb32;
Status = g_Target->
ReadAllVirtual(Teb32 + PEB_FROM_TEB32, &RawPeb32,
sizeof(RawPeb32));
if (Status != S_OK)
{
ErrOut("Cannot read PEB32 from WOW64 TEB32 %s - %s\n",
FormatAddr64(Teb32), FormatStatusCode(Status));
return Status;
}
*Peb32 = EXTEND64(RawPeb32);
}
}
return Status;
}
NtWow64UserModuleInfo g_NtWow64UserModuleIterator;
HRESULT
DebuggerModuleInfo::Initialize(void)
{
m_Image = g_CurrentProcess->ImageHead;
return S_OK;
}
HRESULT
DebuggerModuleInfo::GetEntry(PMODULE_INFO_ENTRY Entry)
{
if (m_Image == NULL)
{
return S_FALSE;
}
Entry->NamePtr = m_Image->ImagePath;
Entry->UnicodeNamePtr = 0;
Entry->ModuleName = m_Image->ModuleName;
Entry->File = m_Image->File;
Entry->Base = m_Image->BaseOfImage;
Entry->Size = m_Image->SizeOfImage;
Entry->CheckSum = m_Image->CheckSum;
Entry->TimeDateStamp = m_Image->TimeDateStamp;
Entry->ImageInfoValid = 1;
m_Image = m_Image->Next;
return S_OK;
}
DebuggerModuleInfo g_DebuggerModuleIterator;
HRESULT
NtKernelUnloadedModuleInfo::Initialize(void)
{
if (KdDebuggerData.MmUnloadedDrivers == 0 ||
KdDebuggerData.MmLastUnloadedDriver == 0)
{
return E_FAIL;
}
// If this is the initial module load we need to be
// careful because much of the system isn't initialized
// yet. Some versions of the OS can crash when scanning
// the unloaded module list, plus at this point we can
// safely assume there are no unloaded modules, so just
// don't enumerate anything.
if (g_EngStatus & ENG_STATUS_AT_INITIAL_MODULE_LOAD)
{
return E_FAIL;
}
HRESULT Status;
ULONG Read;
if ((Status = g_Target->ReadPointer(g_TargetMachine,
KdDebuggerData.MmUnloadedDrivers,
&m_Base)) != S_OK ||
(Status = g_Target->ReadVirtual(KdDebuggerData.MmLastUnloadedDriver,
&m_Index, sizeof(m_Index),
&Read)) != S_OK)
{
return Status;
}
if (Read != sizeof(m_Index))
{
return HRESULT_FROM_WIN32(ERROR_READ_FAULT);
}
m_Count = 0;
return S_OK;
}
HRESULT
NtKernelUnloadedModuleInfo::GetEntry(PSTR Name,
PDEBUG_MODULE_PARAMETERS Params)
{
if (m_Count == MI_UNLOADED_DRIVERS)
{
return S_FALSE;
}
if (m_Index == 0)
{
m_Index = MI_UNLOADED_DRIVERS - 1;
}
else
{
m_Index--;
}
ULONG64 Offset;
ULONG Read;
HRESULT Status;
ULONG64 WideName;
ULONG NameLen;
ZeroMemory(Params, sizeof(*Params));
Params->Flags |= DEBUG_MODULE_UNLOADED;
if (g_TargetMachine->m_Ptr64)
{
UNLOADED_DRIVERS64 Entry;
Offset = m_Base + m_Index * sizeof(Entry);
if ((Status = g_Target->ReadVirtual(Offset, &Entry, sizeof(Entry),
&Read)) != S_OK)
{
return Status;
}
if (Read != sizeof(Entry))
{
return HRESULT_FROM_WIN32(ERROR_READ_FAULT);
}
if (Entry.Name.Buffer == 0)
{
m_Count = MI_UNLOADED_DRIVERS;
return S_FALSE;
}
Params->Base = Entry.StartAddress;
Params->Size = (ULONG)(Entry.EndAddress - Entry.StartAddress);
Params->TimeDateStamp =
FileTimeToTimeDateStamp(Entry.CurrentTime.QuadPart);
WideName = Entry.Name.Buffer;
NameLen = Entry.Name.Length;
}
else
{
UNLOADED_DRIVERS32 Entry;
Offset = m_Base + m_Index * sizeof(Entry);
if ((Status = g_Target->ReadVirtual(Offset, &Entry, sizeof(Entry),
&Read)) != S_OK)
{
return Status;
}
if (Read != sizeof(Entry))
{
return HRESULT_FROM_WIN32(ERROR_READ_FAULT);
}
if (Entry.Name.Buffer == 0)
{
m_Count = MI_UNLOADED_DRIVERS;
return S_FALSE;
}
Params->Base = EXTEND64(Entry.StartAddress);
Params->Size = Entry.EndAddress - Entry.StartAddress;
Params->TimeDateStamp =
FileTimeToTimeDateStamp(Entry.CurrentTime.QuadPart);
WideName = EXTEND64(Entry.Name.Buffer);
NameLen = Entry.Name.Length;
}
if (Name != NULL)
{
//
// This size restriction is in force for minidumps only.
// For kernel dumps, just truncate the name for now ...
//
if (NameLen > MAX_UNLOADED_NAME_LENGTH)
{
NameLen = MAX_UNLOADED_NAME_LENGTH;
}
WCHAR WideBuf[MAX_UNLOADED_NAME_LENGTH / sizeof(WCHAR) + 1];
if ((Status = g_Target->ReadVirtual(WideName, WideBuf, NameLen,
&Read)) != S_OK)
{
return Status;
}
WideBuf[NameLen / sizeof(WCHAR)] = 0;
if (WideCharToMultiByte(CP_ACP, 0,
WideBuf, NameLen / sizeof(WCHAR) + 1,
Name,
MAX_UNLOADED_NAME_LENGTH / sizeof(WCHAR) + 1,
NULL, NULL) == 0)
{
return WIN32_LAST_STATUS();
}
Name[MAX_UNLOADED_NAME_LENGTH / sizeof(WCHAR)] = 0;
}
m_Count++;
return S_OK;
}
NtKernelUnloadedModuleInfo g_NtKernelUnloadedModuleIterator;
HRESULT
W9xModuleInfo::Initialize(void)
{
m_Snap = g_Kernel32Calls.
CreateToolhelp32Snapshot(TH32CS_SNAPMODULE,
g_CurrentProcess->SystemId);
if (m_Snap == INVALID_HANDLE_VALUE)
{
m_Snap = NULL;
ErrOut("Can't create snapshot\n");
return WIN32_LAST_STATUS();
}
m_First = TRUE;
m_LastId = 0;
return S_OK;
}
HRESULT
W9xModuleInfo::GetEntry(PMODULE_INFO_ENTRY Entry)
{
if (m_Snap == NULL)
{
return S_FALSE;
}
BOOL Succ;
MODULEENTRY32 Mod;
Mod.dwSize = sizeof(Mod);
if (m_First)
{
Succ = g_Kernel32Calls.Module32First(m_Snap, &Mod);
m_First = FALSE;
}
else
{
// Win9x seems to require that this module ID be saved
// between calls so stick it back in to keep Win9x happy.
Mod.th32ModuleID = m_LastId;
Succ = g_Kernel32Calls.Module32Next(m_Snap, &Mod);
}
if (!Succ)
{
CloseHandle(m_Snap);
m_Snap = NULL;
return S_FALSE;
}
m_LastId = Mod.th32ModuleID;
strncat(Entry->Buffer, Mod.szModule, sizeof(Entry->Buffer) - 1);
Entry->NamePtr = Entry->Buffer;
Entry->UnicodeNamePtr = 0;
Entry->Base = EXTEND64((ULONG_PTR)Mod.modBaseAddr);
Entry->Size = Mod.modBaseSize;
//
// Update the image informaion, such as timestamp and real image size,
// Directly from the image header
//
ReadImageHeaderInfo(Entry);
return S_OK;
}
W9xModuleInfo g_W9xModuleIterator;
//----------------------------------------------------------------------------
//
// Target configuration information.
//
//----------------------------------------------------------------------------
ULONG g_SystemVersion;
ULONG g_ActualSystemVersion;
ULONG g_TargetCheckedBuild;
ULONG g_TargetBuildNumber;
BOOL g_MachineInitialized;
ULONG g_TargetMachineType = IMAGE_FILE_MACHINE_UNKNOWN;
ULONG g_TargetExecMachine = IMAGE_FILE_MACHINE_UNKNOWN;
ULONG g_TargetPlatformId;
char g_TargetServicePackString[_MAX_PATH];
ULONG g_TargetServicePackNumber;
char g_TargetBuildLabName[272];
ULONG g_TargetNumberProcessors;
ULONG g_TargetClass = DEBUG_CLASS_UNINITIALIZED;
ULONG g_TargetClassQualifier;
ConnLiveKernelTargetInfo g_ConnLiveKernelTarget;
LocalLiveKernelTargetInfo g_LocalLiveKernelTarget;
ExdiLiveKernelTargetInfo g_ExdiLiveKernelTarget;
LocalUserTargetInfo g_LocalUserTarget;
RemoteUserTargetInfo g_RemoteUserTarget;
//----------------------------------------------------------------------------
//
// TargetInfo.
//
//----------------------------------------------------------------------------
// Used in convenience macros.
ULONG g_TmpCount;
TargetInfo* g_Target = &g_UnexpectedTarget;
void
TargetInfo::Uninitialize(void)
{
// Placeholder.
}
HRESULT
TargetInfo::ThreadInitialize(void)
{
// Placeholder.
return S_OK;
}
void
TargetInfo::ThreadUninitialize(void)
{
// Placeholder.
}
HRESULT
TargetInfo::OutputTime(void)
{
ULONG64 TimeDateN = GetCurrentTimeDateN();
if (TimeDateN)
{
dprintf("Debug session time: %s\n",
TimeToStr(FileTimeToTimeDateStamp(TimeDateN)));
}
ULONG64 UpTimeN = GetCurrentSystemUpTimeN();
if (UpTimeN)
{
ULONG seconds = FileTimeToTime(UpTimeN);
ULONG minutes = seconds / 60;
ULONG hours = minutes / 60;
ULONG days = hours / 24;
dprintf("System Uptime: %d days %d:%02d:%02d \n",
days, hours%24, minutes%60, seconds%60);
}
else
{
dprintf("System Uptime: not available\n");
}
if (IS_LIVE_USER_TARGET())
{
ULONG64 UpTimeProcessN = GetProcessUpTimeN(g_CurrentProcess->FullHandle);
if (UpTimeN)
{
ULONG seconds = FileTimeToTime(UpTimeProcessN);
ULONG minutes = seconds / 60;
ULONG hours = minutes / 60;
ULONG days = hours / 24;
dprintf("Process Uptime: %d days %d:%02d:%02d \n",
days, hours%24, minutes%60, seconds%60);
}
else
{
dprintf("Process Uptime: not available\n");
}
}
return (TimeDateN && UpTimeN) ? S_OK : E_FAIL;
}
HRESULT
TargetInfo::OutputVersion(void)
{
BOOL MpMachine;
if (!IS_TARGET_SET())
{
return E_UNEXPECTED;
}
else if (IS_USER_TARGET())
{
dprintf("%s ", SystemVersionName(g_ActualSystemVersion));
}
else
{
dprintf("%s Kernel ", SystemVersionName(g_ActualSystemVersion));
}
dprintf("Version %u", g_TargetBuildNumber);
// Win9x seems to set the CSD string to a space which isn't
// very interesting so ignore it.
if (g_TargetServicePackString[0] &&
strcmp(g_TargetServicePackString, " ") != 0)
{
dprintf(" (%s)", g_TargetServicePackString);
}
MpMachine = IS_LIVE_KERNEL_TARGET() ?
((g_KdVersion.Flags & DBGKD_VERS_FLAG_MP) ? 1 : 0) :
(g_TargetNumberProcessors > 1);
dprintf(" %s ", MpMachine ? "MP" : "UP");
if (MpMachine)
{
dprintf("(%d procs) ", g_TargetNumberProcessors);
}
dprintf("%s %s\n",
g_TargetCheckedBuild == 0xC ? "Checked" : "Free",
g_TargetMachine != NULL ? g_TargetMachine->m_FullName : "");
if (g_Wow64exts != NULL)
{
dprintf("WOW64 extensions loaded\n");
}
if (g_TargetBuildLabName[0])
{
dprintf("%s\n", g_TargetBuildLabName);
}
if (IS_KERNEL_TARGET())
{
dprintf("Kernel base = 0x%s PsLoadedModuleList = 0x%s\n",
FormatAddr64(KdDebuggerData.KernBase),
FormatAddr64(KdDebuggerData.PsLoadedModuleList));
}
OutputTime();
return S_OK;
}
ModuleInfo*
TargetInfo::GetModuleInfo(BOOL UserMode)
{
if (UserMode)
{
switch(g_TargetPlatformId)
{
case VER_PLATFORM_WIN32_NT:
return &g_NtTargetUserModuleIterator;
case VER_PLATFORM_WIN32_WINDOWS:
return &g_W9xModuleIterator;
default:
ErrOut("System module info not available\n");
return NULL;
}
}
else
{
if (g_TargetPlatformId != VER_PLATFORM_WIN32_NT)
{
ErrOut("System module info only available on Windows NT/2000\n");
return NULL;
}
DBG_ASSERT(IS_KERNEL_TARGET());
return &g_NtKernelModuleIterator;
}
}
UnloadedModuleInfo*
TargetInfo::GetUnloadedModuleInfo(void)
{
if (g_TargetPlatformId != VER_PLATFORM_WIN32_NT)
{
ErrOut("System unloaded module info only available on "
"Windows NT/2000\n");
return NULL;
}
if (IS_KERNEL_TARGET())
{
return &g_NtKernelUnloadedModuleIterator;
}
else
{
return NULL;
}
}
HRESULT
TargetInfo::GetImageVersionInformation(PCSTR ImagePath,
ULONG64 ImageBase,
PCSTR Item,
PVOID Buffer, ULONG BufferSize,
PULONG VerInfoSize)
{
return E_NOINTERFACE;
}
HRESULT
TargetInfo::Reload(
IN PCSTR args
)
{
HRESULT Status;
CHAR AnsiString[MAX_IMAGE_PATH];
LPSTR SpecificModule = NULL;
ULONG64 Address = 0;
ULONG ImageSize = 0;
PCHAR p;
ULONG ModCount;
BOOL IgnoreSignature = FALSE;
ULONG ReloadSymOptions;
BOOL UnloadOnly = FALSE;
BOOL ReallyVerbose = FALSE;
BOOL LoadUserSymbols = TRUE;
BOOL UserModeList = IS_USER_TARGET();
BOOL ForceSymbolLoad = FALSE;
BOOL PrintImageListOnly = FALSE;
BOOL rc;
BOOL AddrLoad = FALSE;
BOOL UseDebuggerModuleList;
BOOL SkipPathChecks = FALSE;
ModuleInfo* ModIter;
BOOL Wow64ModLoaded = FALSE;
HRESULT RetStatus = S_OK;
MODULE_INFO_ENTRY ModEntry = {0};
if (!IS_TARGET_SET() ||
g_CurrentProcess == NULL)
{
return E_UNEXPECTED;
}
// Historically, live user-mode reload has always
// just used the internal module list so preserve that.
UseDebuggerModuleList = IS_USER_TARGET() && !IS_DUMP_TARGET();
while (*args)
{
while (*args && *args <= ' ')
{
args++;
}
if (*args == '/' || *args == '-')
{
args++;
while (*args > ' ')
{
switch (*args++)
{
case 'a':
// for internal use only: loads whatever is found at the
// passed address
AddrLoad = TRUE;
break;
case 'd':
UseDebuggerModuleList = TRUE;
break;
case 'f':
ForceSymbolLoad = TRUE;
break;
case 'i':
IgnoreSignature = TRUE;
break;
case 'l':
PrintImageListOnly = TRUE;
break;
case 'n':
LoadUserSymbols = FALSE;
break;
case 'P':
// Internal-only switch.
SkipPathChecks = TRUE;
break;
case 's':
UseDebuggerModuleList = FALSE;
break;
case 'u':
if (!_strcmpi(args, "ser"))
{
UserModeList = TRUE;
args += 3;
}
else
{
UnloadOnly = TRUE;
}
break;
case 'v':
ReallyVerbose = TRUE;
break;
default:
dprintf("Reload: Unknown option '%c'\n", args[-1]);
dprintf("Usage: .reload [flags] [module] ...\n");
dprintf(" Flags: /d Use the debugger's module list\n");
dprintf(" Default for live user-mode "
"sessions\n");
dprintf(" /f Force immediate symbol load "
"instead of deferred\n");
dprintf(" /i Force symbol load by ignoring "
"mismatches in the pdb signature (requires /f as well)\n");
dprintf(" /l Just list the modules. "
"Kernel output same as !drivers\n");
dprintf(" /n Do not load from user-mode list "
"in kernel sessions\n");
dprintf(" /s Use the system's module list\n");
dprintf(" Default for dump and kernel sessions\n");
dprintf(" /u Unload symbols, no reload\n");
dprintf(" /user Load only user-mode symbols "
"in kernel sessions\n");
dprintf(" /v Verbose\n");
return E_INVALIDARG;
}
}
}
while (*args && *args <= ' ')
{
args++;
}
if (!(*args == '/' || *args == '-') || AddrLoad)
{
AnsiString[ 0 ] = '\0';
Address = 0;
if (!sscanf(args, "%s", AnsiString) ||
!strlen(AnsiString))
{
AddrLoad = FALSE;
break;
}
else
{
p = 0;
args += strlen( AnsiString );
//
// Support !reload pri_kern.exe=0x80400000,size
//
if (p = strchr(AnsiString, '='))
{
*p++ = 0;
if (sscanf(p, "%I64x", &Address) != 1)
{
ErrOut("Invalid address %s\n", p);
return E_INVALIDARG;
}
if (!g_TargetMachine->m_Ptr64)
{
Address = EXTEND64(Address);
}
if (p = strchr(p, ','))
{
p++;
if (sscanf(p, "%x", &ImageSize) != 1)
{
ErrOut("Invalid ImageSize %s\n", p);
return E_INVALIDARG;
}
}
}
if (UnloadOnly)
{
BOOL Deleted;
Deleted = DelImageByName(g_CurrentProcess, AnsiString,
INAME_MODULE);
if (!Deleted)
{
// The user might have given an image name
// instead of a module name so try that.
Deleted = DelImageByName(g_CurrentProcess,
PathTail(AnsiString),
INAME_IMAGE_PATH_TAIL);
}
if (Deleted)
{
dprintf("Unloaded %s\n", AnsiString);
return S_OK;
}
else
{
dprintf("Unable to find module '%s'\n", AnsiString);
return E_NOINTERFACE;
}
}
//
// NOTE: This seems unnecessary as AddImage is going to
// check for the renamed image anyway.
//
SpecificModule = _strdup( AnsiString );
if (!SpecificModule)
{
return S_OK;
}
if (IS_KERNEL_TARGET() &&
_stricmp( AnsiString, KERNEL_MODULE_NAME ) == 0)
{
ForceSymbolLoad = TRUE;
}
else
{
if (AddrLoad)
{
free(SpecificModule);
SpecificModule = NULL;
}
}
}
}
}
// Ignore signature will only work if we load the symbols imediately.
if (ForceSymbolLoad == FALSE)
{
IgnoreSignature = FALSE;
}
if (!PrintImageListOnly && !SkipPathChecks)
{
if (g_SymbolSearchPath == NULL ||
*g_SymbolSearchPath == NULL)
{
dprintf("*********************************************************************\n");
dprintf("* Symbols can not be loaded because symbol path is not initialized. *\n");
dprintf("* *\n");
dprintf("* The Symbol Path can be set by: *\n");
dprintf("* using the _NT_SYMBOL_PATH environment variable. *\n");
dprintf("* using the -y <symbol_path> argument when starting the debugger. *\n");
dprintf("* using .sympath and .sympath+ *\n");
dprintf("*********************************************************************\n");
RetStatus = E_INVALIDARG;
goto FreeSpecMod;
}
if (IS_DUMP_WITH_MAPPED_IMAGES() &&
(g_ExecutableImageSearchPath == NULL ||
*g_ExecutableImageSearchPath == NULL))
{
dprintf("*********************************************************************\n");
dprintf("* Analyzing Minidumps requires access to the actual executable *\n");
dprintf("* images for the crashed system *\n");
dprintf("* *\n");
dprintf("* The Executable Image Path can be set by: *\n");
dprintf("* using the _NT_EXECUTABLE_IMAGE_PATH environment variable. *\n");
dprintf("* using the -i <image_path> argument when starting the debugger. *\n");
dprintf("* using .exepath and .exepath+ *\n");
dprintf("*********************************************************************\n");
RetStatus = E_INVALIDARG;
goto FreeSpecMod;
}
}
//
// If both the module name and the address are specified, then just load
// the module right now, as this is only used when normal symbol loading
// would have failed in the first place.
//
if (SpecificModule && Address)
{
if (IgnoreSignature)
{
ReloadSymOptions = SymGetOptions();
SymSetOptions(ReloadSymOptions | SYMOPT_LOAD_ANYTHING);
}
ModEntry.NamePtr = SpecificModule,
ModEntry.Base = Address;
ModEntry.Size = ImageSize;
ModEntry.CheckSum = -1;
if (AddImage(&ModEntry, TRUE) == NULL)
{
ErrOut("Unable to add module at %s\n", FormatAddr64(Address));
RetStatus = E_FAIL;
}
if (IgnoreSignature)
{
SymSetOptions(ReloadSymOptions);
}
goto FreeSpecMod;
}
//
// Don't unload and reset things if we are looking for a specific module
// or if we're going to use the existing module list.
//
if (SpecificModule == NULL)
{
if (!PrintImageListOnly &&
(!UseDebuggerModuleList || UnloadOnly))
{
DelImages(g_CurrentProcess);
}
if (UnloadOnly)
{
dprintf("Unloaded all modules\n");
return S_OK;
}
if (!IS_USER_TARGET() && !UseDebuggerModuleList)
{
if (!IS_DUMP_TARGET())
{
GetKdVersion();
}
VerifyKernelBase(TRUE);
}
//
// Print out the correct statement based on the type of output we
// want to provide
//
if (PrintImageListOnly)
{
if (UseDebuggerModuleList)
{
dprintf("Debugger Module List Summary\n");
}
else
{
dprintf("System %s Summary\n",
IS_USER_TARGET() ? "Image" : "Driver and Image");
}
dprintf("Base ");
if (g_TargetMachine->m_Ptr64)
{
dprintf(" ");
}
#if 0
if (Flags & 1)
{
dprintf("Code Size Data Size Resident "
"Standby Driver Name\n");
}
else if (Flags & 2)
{
dprintf("Code Data Locked Resident Standby "
"Loader Entry Driver Name\n");
}
else
{
#endif
if (UseDebuggerModuleList)
{
dprintf("Image Size "
"Image Name Creation Time\n");
}
else
{
dprintf("Code Size Data Size "
"Image Name Creation Time\n");
}
}
else if (UseDebuggerModuleList)
{
dprintf("Reloading current modules\n");
}
else if (!IS_USER_TARGET())
{
dprintf("Loading %s Symbols\n",
UserModeList ? "User" : "Kernel");
}
}
//
// Get the beginning of the module list.
//
if (UseDebuggerModuleList)
{
ModIter = &g_DebuggerModuleIterator;
}
else
{
ModIter = GetModuleInfo(UserModeList);
}
if (ModIter == NULL)
{
// Error messages already printed.
RetStatus = E_UNEXPECTED;
goto FreeSpecMod;
}
if ((Status = ModIter->Initialize()) != S_OK)
{
// Error messages already printed.
// Fold unprepared-to-reload S_FALSE into S_OK.
RetStatus = SUCCEEDED(Status) ? S_OK : Status;
goto FreeSpecMod;
}
if (IgnoreSignature)
{
ReloadSymOptions = SymGetOptions();
SymSetOptions(ReloadSymOptions | SYMOPT_LOAD_ANYTHING);
}
// Suppress notifications until everything is done.
g_EngNotify++;
LoadLoop:
for (ModCount=0; ; ModCount++)
{
// Flush regularly so the user knows something is
// happening during the reload.
FlushCallbacks();
if (CheckUserInterrupt())
{
break;
}
if (ModCount > 1000)
{
ErrOut("ModuleList is corrupt - walked over 1000 module entries\n");
break;
}
if (ModEntry.DebugHeader)
{
free(ModEntry.DebugHeader);
}
ZeroMemory(&ModEntry, sizeof(ModEntry));
if ((Status = ModIter->GetEntry(&ModEntry)) != S_OK)
{
// Error message already printed in error case.
// Works for end-of-list case also.
break;
}
//
// Warn if not all the information was gathered
//
if (!ModEntry.ImageInfoValid)
{
VerbOut("Unable to read image header for");
if (ModEntry.UnicodeNamePtr)
{
VerbOut(" %ls", ModEntry.NamePtr);
}
else
{
VerbOut(" %s", ModEntry.NamePtr);
}
VerbOut(" at %s\n",
FormatAddr64(ModEntry.Base));
}
if (ModEntry.NameLength > (MAX_IMAGE_PATH - 1) *
(ModEntry.UnicodeNamePtr ? sizeof(WCHAR) : sizeof(CHAR)))
{
ErrOut("Module list is corrupt.");
if (IS_KERNEL_TARGET())
{
ErrOut(" Check your kernel symbols.\n");
}
else
{
ErrOut(" Loader list may be invalid\n");
}
break;
}
// If this entry has no name just skip it.
if ((ModEntry.NamePtr == NULL) ||
(ModEntry.UnicodeNamePtr && ModEntry.NameLength == 0))
{
ErrOut(" Module List has empty entry in it - skipping\n");
continue;
}
//
// Are we looking for a module at a specific address ?
//
if (AddrLoad)
{
if (Address < ModEntry.Base ||
Address >= ModEntry.Base + ModEntry.Size)
{
continue;
}
}
if (ModEntry.UnicodeNamePtr)
{
if (!WideCharToMultiByte(CP_ACP,
0,
(PWSTR)ModEntry.NamePtr,
ModEntry.NameLength / sizeof(WCHAR),
AnsiString,
sizeof(AnsiString),
NULL,
NULL))
{
WarnOut("Unable to convert Unicode string %ls to Ansi\n",
ModEntry.NamePtr);
continue;
}
ModEntry.NamePtr = AnsiString;
ModEntry.UnicodeNamePtr = 0;
AnsiString[ModEntry.NameLength / sizeof(WCHAR)] = 0;
}
//
// If we are loading a specific module:
//
// If the Module is NT, we take the first module in the list as it is
// guaranteed to be the kernel. Reset the Base address if it was
// not set.
//
// Otherwise, actually compare the strings and continue if they don't
// match
//
if (SpecificModule)
{
if (!UserModeList && _stricmp( SpecificModule, KERNEL_MODULE_NAME ) == 0)
{
if (!KdDebuggerData.KernBase)
{
KdDebuggerData.KernBase = ModEntry.Base;
}
}
else
{
if (!MatchPathTails(SpecificModule, ModEntry.NamePtr))
{
continue;
}
}
}
PCSTR NamePtrTail = PathTail(ModEntry.NamePtr);
if (PrintImageListOnly)
{
PCHAR Time;
//
// The timestamp in minidumps was corrupt until NT5 RC3
// The timestamp could also be invalid because it was paged out
// in which case it's value is UNKNOWN_TIMESTAMP.
if (IS_KERNEL_TRIAGE_DUMP() &&
(g_ActualSystemVersion > NT_SVER_START &&
g_ActualSystemVersion <= NT_SVER_W2K_RC3))
{
Time = "";
}
Time = TimeToStr(ModEntry.TimeDateStamp);
if (UseDebuggerModuleList)
{
dprintf("%s %6lx (%4ld k) %12s %s\n",
FormatAddr64(ModEntry.Base), ModEntry.Size,
KBYTES(ModEntry.Size), NamePtrTail,
Time);
}
else
{
dprintf("%s %6lx (%4ld k) %5lx (%3ld k) %12s %s\n",
FormatAddr64(ModEntry.Base),
ModEntry.SizeOfCode, KBYTES(ModEntry.SizeOfCode),
ModEntry.SizeOfData, KBYTES(ModEntry.SizeOfData),
NamePtrTail, Time);
}
}
else
{
//
// Don't bother reloading the kernel if we are not specifically
// asked since we know those symbols we reloaded by the
// VerifyKernel call.
//
if (!SpecificModule && !UserModeList &&
KdDebuggerData.KernBase == ModEntry.Base)
{
continue;
}
if (ReallyVerbose)
{
dprintf("AddImage: %s\n DllBase = %s\n Size = %08x\n "
"Checksum = %08x\n TimeDateStamp = %08x\n",
ModEntry.NamePtr, FormatAddr64(ModEntry.Base),
ModEntry.Size, ModEntry.CheckSum,
ModEntry.TimeDateStamp);
}
else
{
if (!SpecificModule)
{
dprintf(".");
}
}
if (Address)
{
ModEntry.Base = Address;
}
if (AddImage(&ModEntry, ForceSymbolLoad) == NULL)
{
RetStatus = E_FAIL;
}
}
if (SpecificModule)
{
free( SpecificModule );
goto Notify;
}
if (AddrLoad)
{
goto Notify;
}
}
if (UseDebuggerModuleList || IS_KERNEL_TARGET() || UserModeList)
{
// print newline after all the '.'
dprintf("\n");
}
if (!UseDebuggerModuleList && !UserModeList && SpecificModule == NULL)
{
// If we just reloaded the kernel modules
// go through the unloaded module list.
if (!PrintImageListOnly)
{
dprintf("Loading unloaded module list\n");
}
ListUnloadedModules(PrintImageListOnly ?
LUM_OUTPUT : LUM_OUTPUT_TERSE, NULL);
}
//
// If we got to the end of the kernel symbols, try to load the
// user mode symbols for the current process.
//
if (!UseDebuggerModuleList &&
(UserModeList == FALSE) &&
(LoadUserSymbols == TRUE) &&
SUCCEEDED(Status))
{
if (!AddrLoad && !SpecificModule)
{
dprintf("Loading User Symbols\n");
}
UserModeList = TRUE;
ModIter = GetModuleInfo(UserModeList);
if (ModIter != NULL && ModIter->Initialize() == S_OK)
{
goto LoadLoop;
}
}
if (!SpecificModule && !Wow64ModLoaded)
{
ModIter = &g_NtWow64UserModuleIterator;
Wow64ModLoaded = TRUE;
if (ModIter->Initialize() == S_OK)
{
dprintf("Loading Wow64 Symbols\n");
goto LoadLoop;
}
}
// In the multiple load situation we always return OK
// since an error wouldn't tell you much about what
// actually occurred.
// Specific loads that haven't already been handled are checked
// right after this.
RetStatus = S_OK;
//
// If we still have not managed to load a named file, just pass the name
// and the address and hope for the best.
//
if (SpecificModule)
{
WarnOut("\nModule \"%s\" was not found in the module list.\n",
SpecificModule);
WarnOut("Debugger will attempt to load module \"%s\" "
"by guessing the base address.\n\n", SpecificModule);
WarnOut("Please provide the full image name, including the "
"extension (i.e. kernel32.dll) for more reliable results.\n");
ZeroMemory(&ModEntry, sizeof(ModEntry));
ModEntry.NamePtr = SpecificModule,
ModEntry.Base = Address;
ModEntry.Size = ImageSize;
if (AddImage(&ModEntry, TRUE) == NULL)
{
ErrOut("Unable to load module at %s\n", FormatAddr64(Address));
RetStatus = E_FAIL;
}
free(SpecificModule);
}
Notify:
// If we've gotten this far we've done one or more reloads
// and postponed notifications. Do them now that all the work
// has been done.
g_EngNotify--;
if (SUCCEEDED(RetStatus))
{
NotifyChangeSymbolState(DEBUG_CSS_LOADS | DEBUG_CSS_UNLOADS, 0,
g_CurrentProcess);
}
if (IgnoreSignature)
{
SymSetOptions(ReloadSymOptions);
}
if (ModEntry.DebugHeader)
{
free(ModEntry.DebugHeader);
}
return RetStatus;
FreeSpecMod:
free(SpecificModule);
return RetStatus;
}
ULONG64
TargetInfo::GetCurrentTimeDateN(void)
{
// No information.
return 0;
}
ULONG64
TargetInfo::GetCurrentSystemUpTimeN(void)
{
// No information.
return 0;
}
ULONG64
TargetInfo::GetProcessUpTimeN(ULONG64 Process)
{
// No information.
return 0;
}
void
TargetInfo::GetKdVersion(void)
{
BOOL Ptr64;
if (GetTargetKdVersion(&g_KdVersion) != S_OK)
{
ErrOut("Debugger can't get KD version information\n");
memset(&g_KdVersion, 0, sizeof(g_KdVersion));
return;
}
if ((g_KdVersion.MajorVersion >> 8) >= KD_MAJOR_COUNT)
{
ErrOut("KD version has unknown kernel type\n");
memset(&g_KdVersion, 0, sizeof(g_KdVersion));
return;
}
if (MachineTypeIndex(g_KdVersion.MachineType) == MACHIDX_COUNT)
{
ErrOut("KD version has unknown processor architecture\n");
memset(&g_KdVersion, 0, sizeof(g_KdVersion));
return;
}
Ptr64 =
((g_KdVersion.Flags & DBGKD_VERS_FLAG_PTR64) == DBGKD_VERS_FLAG_PTR64);
if (g_KdVersion.Flags & DBGKD_VERS_FLAG_NOMM)
{
g_VirtualCache.m_DecodePTEs = FALSE;
}
// Reloads cause the version to be retrieved but
// we don't want to completely reinitialize machines
// in that case as some settings can be lost. Only
// reinitialize if there's a need to do so.
BOOL MustInitializeMachines =
g_TargetMachineType != g_KdVersion.MachineType ||
g_TargetMachine == NULL;
g_TargetMachineType = g_KdVersion.MachineType;
g_TargetBuildNumber = g_KdVersion.MinorVersion;
g_TargetCheckedBuild = g_KdVersion.MajorVersion & 0xFF;
if ((g_TargetMachineType == IMAGE_FILE_MACHINE_ALPHA) && Ptr64)
{
g_TargetMachineType = IMAGE_FILE_MACHINE_AXP64;
g_KdVersion.MachineType = IMAGE_FILE_MACHINE_AXP64;
}
//
// Determine the OS running.
//
switch(g_KdVersion.MajorVersion >> 8)
{
case KD_MAJOR_NT:
g_TargetPlatformId = VER_PLATFORM_WIN32_NT;
g_ActualSystemVersion = NtBuildToSystemVersion(g_TargetBuildNumber);
g_SystemVersion = g_ActualSystemVersion;
break;
case KD_MAJOR_XBOX:
g_TargetPlatformId = VER_PLATFORM_WIN32_NT;
g_ActualSystemVersion = XBOX_SVER_1;
g_SystemVersion = NT_SVER_W2K;
break;
case KD_MAJOR_BIG:
g_TargetPlatformId = VER_PLATFORM_WIN32_NT;
g_ActualSystemVersion = BIG_SVER_1;
g_SystemVersion = NT_SVER_W2K;
break;
case KD_MAJOR_EXDI:
g_TargetPlatformId = VER_PLATFORM_WIN32_NT;
g_ActualSystemVersion = EXDI_SVER_1;
g_SystemVersion = NT_SVER_W2K;
break;
case KD_MAJOR_NTBD:
// Special mode for the NT boot debugger where
// the full system hasn't started yet.
g_TargetPlatformId = VER_PLATFORM_WIN32_NT;
g_ActualSystemVersion = NTBD_SVER_W2K_WHISTLER;
g_SystemVersion = NtBuildToSystemVersion(g_TargetBuildNumber);
break;
case KD_MAJOR_EFI:
g_TargetPlatformId = VER_PLATFORM_WIN32_NT;
g_ActualSystemVersion = EFI_SVER_1;
g_SystemVersion = NT_SVER_W2K_WHISTLER;
break;
}
//
// Pre-Whistler kernels didn't set these values so
// default them appropriately.
//
g_KdMaxPacketType = g_KdVersion.MaxPacketType;
if (g_SystemVersion < NT_SVER_W2K_WHISTLER ||
g_KdMaxPacketType == 0 ||
g_KdMaxPacketType > PACKET_TYPE_MAX)
{
g_KdMaxPacketType = PACKET_TYPE_KD_CONTROL_REQUEST + 1;
}
g_KdMaxStateChange = g_KdVersion.MaxStateChange +
DbgKdMinimumStateChange;
if (g_SystemVersion < NT_SVER_W2K_WHISTLER ||
g_KdMaxStateChange == DbgKdMinimumStateChange ||
g_KdMaxStateChange > DbgKdMaximumStateChange)
{
g_KdMaxStateChange = DbgKdLoadSymbolsStateChange + 1;
}
g_KdMaxManipulate = g_KdVersion.MaxManipulate +
DbgKdMinimumManipulate;
if (g_SystemVersion < NT_SVER_W2K_WHISTLER ||
g_KdMaxManipulate == DbgKdMinimumManipulate ||
g_KdMaxManipulate > DbgKdMaximumManipulate)
{
g_KdMaxManipulate = DbgKdCheckLowMemoryApi + 1;
}
if (MustInitializeMachines)
{
InitializeMachines(g_TargetMachineType);
}
KdOut("Target MajorVersion %08lx\n", g_KdVersion.MajorVersion);
KdOut("Target MinorVersion %08lx\n", g_KdVersion.MinorVersion);
KdOut("Target ProtocolVersion %08lx\n", g_KdVersion.ProtocolVersion);
KdOut("Target Flags %08lx\n", g_KdVersion.Flags);
KdOut("Target MachineType %08lx\n", g_KdVersion.MachineType);
KdOut("Target MaxPacketType %x\n", g_KdVersion.MaxPacketType);
KdOut("Target MaxStateChange %x\n", g_KdVersion.MaxStateChange);
KdOut("Target MaxManipulate %x\n", g_KdVersion.MaxManipulate);
KdOut("Target KernBase %s\n",
FormatAddr64(g_KdVersion.KernBase));
KdOut("Target PsLoadedModuleList %s\n",
FormatAddr64(g_KdVersion.PsLoadedModuleList));
KdOut("Target DebuggerDataList %s\n",
FormatAddr64(g_KdVersion.DebuggerDataList));
dprintf("Connected to %s %d %s target, ptr64 %s\n",
SystemVersionName(g_ActualSystemVersion), g_TargetBuildNumber,
g_TargetMachine->m_FullName,
g_TargetMachine->m_Ptr64 ? "TRUE" : "FALSE");
}
//----------------------------------------------------------------------------
//
// LiveKernelTargetInfo miscellaneous methods.
//
// Data space methods and system objects methods are elsewhere.
//
//----------------------------------------------------------------------------
HRESULT
LiveKernelTargetInfo::Initialize(void)
{
InitSelCache();
return S_OK;
}
HRESULT
LiveKernelTargetInfo::ReadBugCheckData(PULONG Code, ULONG64 Args[4])
{
ULONG64 BugCheckData;
ULONG64 Data[5];
HRESULT Status;
ULONG Read;
if (!(BugCheckData = KdDebuggerData.KiBugcheckData))
{
if (!GetOffsetFromSym("nt!KiBugCheckData", &BugCheckData, NULL) ||
!BugCheckData)
{
ErrOut("Unable to resolve nt!KiBugCheckData\n");
return E_NOINTERFACE;
}
}
if (g_TargetMachine->m_Ptr64)
{
Status = ReadVirtual(BugCheckData, Data, sizeof(Data), &Read);
}
else
{
ULONG i;
ULONG Data32[5];
Status = ReadVirtual(BugCheckData, Data32, sizeof(Data32), &Read);
Read *= 2;
for (i = 0; i < DIMA(Data); i++)
{
Data[i] = EXTEND64(Data32[i]);
}
}
if (Status != S_OK || Read != sizeof(Data))
{
ErrOut("Unable to read KiBugCheckData\n");
return Status == S_OK ? E_FAIL : Status;
}
*Code = (ULONG)Data[0];
memcpy(Args, Data + 1, sizeof(Data) - sizeof(ULONG64));
return S_OK;
}
ULONG64
LiveKernelTargetInfo::GetCurrentTimeDateN(void)
{
ULONG64 TimeDate;
if (ReadSharedUserTimeDateN(&TimeDate) == S_OK)
{
return TimeDate;
}
else
{
return 0;
}
}
ULONG64
LiveKernelTargetInfo::GetCurrentSystemUpTimeN(void)
{
ULONG64 UpTime;
if (ReadSharedUserUpTimeN(&UpTime) == S_OK)
{
return UpTime;
}
else
{
return 0;
}
}
//----------------------------------------------------------------------------
//
// ConnLiveKernelTargetInfo miscellaneous methods.
//
// Data space methods and system objects methods are elsewhere.
//
//----------------------------------------------------------------------------
HRESULT
ConnLiveKernelTargetInfo::Initialize(void)
{
HRESULT Status = DbgKdConnectAndInitialize(m_ConnectOptions);
if (Status == S_OK)
{
Status = LiveKernelTargetInfo::Initialize();
}
return Status;
}
void
ConnLiveKernelTargetInfo::Uninitialize(void)
{
if (g_DbgKdTransport != NULL)
{
g_DbgKdTransport->Uninitialize();
g_DbgKdTransport = NULL;
}
LiveKernelTargetInfo::Uninitialize();
}
HRESULT
ConnLiveKernelTargetInfo::GetTargetKdVersion(PDBGKD_GET_VERSION64 Version)
{
NTSTATUS Status = DbgKdGetVersion(Version);
return CONV_NT_STATUS(Status);
}
HRESULT
ConnLiveKernelTargetInfo::RequestBreakIn(void)
{
// Tell the waiting thread to break in.
g_DbgKdTransport->m_BreakIn = TRUE;
return S_OK;
}
HRESULT
ConnLiveKernelTargetInfo::Reboot(void)
{
DbgKdReboot();
ResetConnection(DEBUG_SESSION_REBOOT);
return S_OK;
}
//----------------------------------------------------------------------------
//
// LocalLiveKernelTargetInfo miscellaneous methods.
//
// Data space methods and system objects methods are elsewhere.
//
//----------------------------------------------------------------------------
HRESULT
LocalLiveKernelTargetInfo::Initialize(void)
{
DBGKD_GET_VERSION64 Version;
// Do a quick check to see if this kernel even
// supports the necessary debug services.
if (!NT_SUCCESS(g_NtDllCalls.
NtSystemDebugControl(SysDbgQueryVersion, NULL, 0,
&Version, sizeof(Version), NULL)))
{
ErrOut("The system does not support local kernel debugging.\n");
ErrOut("Local kernel debugging requires Windows XP, Administrative\n"
"privileges, and is not supported by WOW64.\n");
return E_NOTIMPL;
}
//
// Set this right here since we know kernel debugging only works on
// recent systems using the 64 bit protocol.
//
DbgKdApi64 = TRUE;
return LiveKernelTargetInfo::Initialize();
}
HRESULT
LocalLiveKernelTargetInfo::GetTargetKdVersion(PDBGKD_GET_VERSION64 Version)
{
NTSTATUS Status = g_NtDllCalls.
NtSystemDebugControl(SysDbgQueryVersion, NULL, 0,
Version, sizeof(*Version), NULL);
return CONV_NT_STATUS(Status);
}
//----------------------------------------------------------------------------
//
// ExdiLiveKernelTargetInfo miscellaneous methods.
//
// Data space methods and system objects methods are elsewhere.
//
//----------------------------------------------------------------------------
HRESULT
ExdiNotifyRunChange::Initialize(void)
{
m_Event = CreateEvent(NULL, FALSE, FALSE, NULL);
if (m_Event == NULL)
{
return WIN32_LAST_STATUS();
}
return S_OK;
}
void
ExdiNotifyRunChange::Uninitialize(void)
{
if (m_Event != NULL)
{
CloseHandle(m_Event);
m_Event = NULL;
}
}
STDMETHODIMP
ExdiNotifyRunChange::QueryInterface(
THIS_
IN REFIID InterfaceId,
OUT PVOID* Interface
)
{
if (DbgIsEqualIID(IID_IUnknown, InterfaceId) ||
DbgIsEqualIID(__uuidof(IeXdiClientNotifyRunChg), InterfaceId))
{
*Interface = this;
return S_OK;
}
*Interface = NULL;
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG)
ExdiNotifyRunChange::AddRef(
THIS
)
{
return 1;
}
STDMETHODIMP_(ULONG)
ExdiNotifyRunChange::Release(
THIS
)
{
return 0;
}
STDMETHODIMP
ExdiNotifyRunChange::NotifyRunStateChange(RUN_STATUS_TYPE ersCurrent,
HALT_REASON_TYPE ehrCurrent,
ADDRESS_TYPE CurrentExecAddress,
DWORD dwExceptionCode)
{
if (ersCurrent == rsRunning)
{
// We're waiting for things to stop so ignore this.
return S_OK;
}
m_HaltReason = ehrCurrent;
m_ExecAddress = CurrentExecAddress;
m_ExceptionCode = dwExceptionCode;
SetEvent(m_Event);
return S_OK;
}
class ExdiParams : public ParameterStringParser
{
public:
virtual ULONG GetNumberParameters(void)
{
// No need to get.
return 0;
}
virtual void GetParameter(ULONG Index, PSTR Name, PSTR Value)
{
}
virtual void ResetParameters(void);
virtual BOOL SetParameter(PCSTR Name, PCSTR Value);
CLSID m_Clsid;
EXDI_KD_SUPPORT m_KdSupport;
BOOL m_ForceX86;
};
void
ExdiParams::ResetParameters(void)
{
ZeroMemory(&m_Clsid, sizeof(m_Clsid));
m_KdSupport = EXDI_KD_NONE;
m_ForceX86 = FALSE;
}
BOOL
ScanExdiDriverList(PCSTR Name, LPCLSID Clsid)
{
char Pattern[MAX_PARAM_VALUE];
strncpy(Pattern, Name, sizeof(Pattern));
Pattern[MAX_PARAM_VALUE-1] = 0;
_strupr(Pattern);
HKEY ListKey;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
"Software\\Microsoft\\eXdi\\DriverList", 0,
KEY_ALL_ACCESS, &ListKey) != ERROR_SUCCESS)
{
return FALSE;
}
ULONG Index = 0;
BOOL Status = FALSE;
char ValName[MAX_PARAM_VALUE];
WCHAR WideValName[MAX_PARAM_VALUE];
ULONG NameLen, ValLen;
ULONG Type;
char Value[MAX_PARAM_VALUE];
for (;;)
{
NameLen = sizeof(ValName);
ValLen = sizeof(Value);
if (RegEnumValue(ListKey, Index, ValName, &NameLen, NULL,
&Type, (PBYTE)Value, &ValLen) != ERROR_SUCCESS)
{
break;
}
if (Type == REG_SZ &&
MatchPattern(Value, Pattern) &&
MultiByteToWideChar(CP_ACP, 0, ValName, -1, WideValName,
sizeof(WideValName) / sizeof(WCHAR)) > 0 &&
g_Ole32Calls.CLSIDFromString(WideValName, Clsid) == S_OK)
{
Status = TRUE;
break;
}
Index++;
}
RegCloseKey(ListKey);
return Status;
}
BOOL
ExdiParams::SetParameter(PCSTR Name, PCSTR Value)
{
if (!_strcmpi(Name, "CLSID"))
{
WCHAR WideValue[MAX_PARAM_VALUE];
if (MultiByteToWideChar(CP_ACP, 0, Value, -1, WideValue,
sizeof(WideValue) / sizeof(WCHAR)) == 0)
{
return FALSE;
}
return g_Ole32Calls.CLSIDFromString(WideValue, &m_Clsid) == S_OK;
}
else if (!_strcmpi(Name, "Desc"))
{
return ScanExdiDriverList(Value, &m_Clsid);
}
else if (!_strcmpi(Name, "ForceX86"))
{
m_ForceX86 = TRUE;
}
else if (!_strcmpi(Name, "Kd"))
{
if (!Value)
{
return FALSE;
}
if (!_strcmpi(Value, "Ioctl"))
{
m_KdSupport = EXDI_KD_IOCTL;
}
else if (!_strcmpi(Value, "GsPcr"))
{
m_KdSupport = EXDI_KD_GS_PCR;
}
else
{
return FALSE;
}
}
else
{
return FALSE;
}
return TRUE;
}
PCSTR g_ExdiGroupNames[] =
{
"exdi",
};
HRESULT
ExdiLiveKernelTargetInfo::Initialize(void)
{
HRESULT Status;
// Load ole32.dll so we can call CoCreateInstance.
if ((Status = InitDynamicCalls(&g_Ole32CallsDesc)) != S_OK)
{
return Status;
}
ULONG Group;
Group = ParameterStringParser::
GetParser(m_ConnectOptions, DIMA(g_ExdiGroupNames), g_ExdiGroupNames);
if (Group == PARSER_INVALID)
{
return E_INVALIDARG;
}
ExdiParams Params;
Params.ResetParameters();
if (!Params.ParseParameters(m_ConnectOptions))
{
return E_INVALIDARG;
}
m_KdSupport = Params.m_KdSupport;
if ((Status = g_Ole32Calls.
CoInitializeEx(NULL, COINIT_MULTITHREADED)) != S_OK)
{
return Status;
}
if ((Status = g_Ole32Calls.CoCreateInstance(Params.m_Clsid, NULL,
CLSCTX_LOCAL_SERVER,
__uuidof(IeXdiServer),
(PVOID*)&m_Server)) != S_OK)
{
goto EH_CoInit;
}
if ((Status = m_Server->GetTargetInfo(&m_GlobalInfo)) != S_OK)
{
goto EH_Server;
}
if (Params.m_ForceX86 ||
m_GlobalInfo.TargetProcessorFamily == PROCESSOR_FAMILY_X86)
{
if (!Params.m_ForceX86 &&
(Status = m_Server->
QueryInterface(__uuidof(IeXdiX86_64Context),
(PVOID*)&m_Context)) == S_OK)
{
m_ExpectedMachine = IMAGE_FILE_MACHINE_AMD64;
}
else if ((Status = m_Server->
QueryInterface(__uuidof(IeXdiX86Context),
(PVOID*)&m_Context)) == S_OK)
{
m_ExpectedMachine = IMAGE_FILE_MACHINE_I386;
}
else
{
goto EH_Server;
}
}
else
{
Status = E_NOINTERFACE;
goto EH_Server;
}
DWORD HwCode, SwCode;
if ((Status = m_Server->GetNbCodeBpAvail(&HwCode, &SwCode)) != S_OK)
{
goto EH_Context;
}
// We'd prefer to use software code breakpoints for our
// software code breakpoints so that hardware resources
// aren't consumed for a breakpoint we don't need to
// use hardware for. However, some servers, such as
// the x86-64 SimNow implementation, do not support
// software breakpoints.
// Also, if the number of hardware breakpoints is
// unbounded, go ahead and let the server choose.
// SimNow advertises -1 -1 for some reason and
// this is necessary to get things to work.
if (SwCode > 0 && HwCode != (DWORD)-1)
{
m_CodeBpType = cbptSW;
}
else
{
m_CodeBpType = cbptAlgo;
}
if ((Status = m_RunChange.Initialize()) != S_OK)
{
goto EH_Context;
}
if ((Status = LiveKernelTargetInfo::Initialize()) != S_OK)
{
goto EH_RunChange;
}
m_ContextValid = 0;
return S_OK;
EH_RunChange:
m_RunChange.Uninitialize();
EH_Context:
RELEASE(m_Context);
EH_Server:
RELEASE(m_Server);
EH_CoInit:
g_Ole32Calls.CoUninitialize();
return Status;
}
HRESULT
ExdiLiveKernelTargetInfo::ThreadInitialize(void)
{
return g_Ole32Calls.CoInitializeEx(NULL, COINIT_MULTITHREADED);
}
void
ExdiLiveKernelTargetInfo::ThreadUninitialize(void)
{
g_Ole32Calls.CoUninitialize();
}
void
ExdiLiveKernelTargetInfo::Uninitialize(void)
{
m_RunChange.Uninitialize();
RELEASE(m_Context);
RELEASE(m_Server);
g_Ole32Calls.CoUninitialize();
}
#define EXDI_IOCTL_GET_KD_VERSION ((ULONG)'VDKG')
HRESULT
ExdiLiveKernelTargetInfo::GetTargetKdVersion(PDBGKD_GET_VERSION64 Version)
{
switch(m_KdSupport)
{
case EXDI_KD_IOCTL:
//
// User has indicated the target supports the
// KD version ioctl.
//
ULONG Command;
ULONG Retrieved;
HRESULT Status;
Command = EXDI_IOCTL_GET_KD_VERSION;
if ((Status = m_Server->Ioctl(sizeof(Command), (PBYTE)&Command,
sizeof(*Version), &Retrieved,
(PBYTE)Version)) != S_OK)
{
return Status;
}
if (Retrieved != sizeof(*Version))
{
return E_FAIL;
}
// This mode implies a recent kernel so we can
// assume 64-bit kd.
DbgKdApi64 = TRUE;
break;
case EXDI_KD_GS_PCR:
//
// User has indicated that a version of NT
// is running and that the PCR can be accessed
// through GS. Look up the version block from
// the PCR.
//
if (m_ExpectedMachine == IMAGE_FILE_MACHINE_AMD64)
{
ULONG64 KdVer;
ULONG Done;
if ((Status = g_Amd64Machine.
GetExdiContext(m_Context, &m_ContextData)) != S_OK)
{
return Status;
}
if ((Status = m_Server->
ReadVirtualMemory(m_ContextData.Amd64Context.
DescriptorGs.SegBase +
FIELD_OFFSET(AMD64_KPCR, KdVersionBlock),
sizeof(KdVer), 8, (PBYTE)&KdVer,
&Done)) != S_OK)
{
return Status;
}
if (Done != sizeof(KdVer))
{
return HRESULT_FROM_WIN32(ERROR_READ_FAULT);
}
if ((Status = m_Server->
ReadVirtualMemory(KdVer, sizeof(*Version), 8, (PBYTE)Version,
&Done)) != S_OK)
{
return Status;
}
if (Done != sizeof(*Version))
{
return HRESULT_FROM_WIN32(ERROR_READ_FAULT);
}
// This mode implies a recent kernel so we can
// assume 64-bit kd.
DbgKdApi64 = TRUE;
// Update the version block's Simulation field to
// indicate that this is a simulated execution.
Version->Simulation = DBGKD_SIMULATION_EXDI;
if ((Status = m_Server->
WriteVirtualMemory(KdVer, sizeof(*Version), 8, (PBYTE)Version,
&Done)) != S_OK)
{
return Status;
}
if (Done != sizeof(*Version))
{
return HRESULT_FROM_WIN32(ERROR_WRITE_FAULT);
}
}
else
{
return E_INVALIDARG;
}
break;
case EXDI_KD_NONE:
//
// Fake up a version structure.
//
Version->MajorVersion = KD_MAJOR_EXDI << 8;
Version->ProtocolVersion = 0;
Version->Flags = DBGKD_VERS_FLAG_PTR64 | DBGKD_VERS_FLAG_NOMM;
Version->MachineType = (USHORT)m_ExpectedMachine;
Version->KernBase = 0;
Version->PsLoadedModuleList = 0;
Version->DebuggerDataList = 0;
break;
}
return S_OK;
}
HRESULT
ExdiLiveKernelTargetInfo::RequestBreakIn(void)
{
return m_Server->Halt();
}
HRESULT
ExdiLiveKernelTargetInfo::Reboot(void)
{
HRESULT Status = m_Server->Reboot();
if (Status == S_OK)
{
ResetConnection(DEBUG_SESSION_REBOOT);
}
return Status;
}
//----------------------------------------------------------------------------
//
// UserTargetInfo miscellaneous methods.
//
// Data space methods and system objects methods are elsewhere.
//
//----------------------------------------------------------------------------
HRESULT
UserTargetInfo::Initialize(void)
{
// Nothing to do right now.
return S_OK;
}
void
UserTargetInfo::Uninitialize(void)
{
RELEASE(m_Services);
}
HRESULT
UserTargetInfo::GetImageVersionInformation(PCSTR ImagePath,
ULONG64 ImageBase,
PCSTR Item,
PVOID Buffer,
ULONG BufferSize,
PULONG VerInfoSize)
{
return m_Services->
GetFileVersionInformation(ImagePath, Item,
Buffer, BufferSize, VerInfoSize);
}
ULONG64
UserTargetInfo::GetCurrentTimeDateN(void)
{
ULONG64 TimeDate;
if (m_Services->GetCurrentTimeDateN(&TimeDate) == S_OK)
{
return TimeDate;
}
else
{
return 0;
}
}
ULONG64
UserTargetInfo::GetCurrentSystemUpTimeN(void)
{
ULONG64 UpTime;
if (m_Services->GetCurrentSystemUpTimeN(&UpTime) == S_OK)
{
return UpTime;
}
else
{
return 0;
}
}
ULONG64
UserTargetInfo::GetProcessUpTimeN(ULONG64 Process)
{
ULONG64 UpTime;
if (m_Services->GetProcessUpTimeN(Process, &UpTime) == S_OK)
{
return UpTime;
}
else
{
return 0;
}
}
HRESULT
UserTargetInfo::RequestBreakIn(void)
{
PPROCESS_INFO Process = g_CurrentProcess;
if (Process == NULL)
{
Process = g_ProcessHead;
if (Process == NULL)
{
return E_UNEXPECTED;
}
}
return m_Services->RequestBreakIn(Process->FullHandle);
}
//----------------------------------------------------------------------------
//
// Base TargetInfo methods that trivially fail.
//
//----------------------------------------------------------------------------
#define UNEXPECTED_VOID(Class, Method, Args) \
void \
Class::Method Args \
{ \
ErrOut("TargetInfo::" #Method " is not available in the current debug session\n"); \
}
#define UNEXPECTED_HR(Class, Method, Args) \
HRESULT \
Class::Method Args \
{ \
ErrOut("TargetInfo::" #Method " is not available in the current debug session\n"); \
return E_UNEXPECTED; \
}
#define UNEXPECTED_ULONG64(Class, Method, Val, Args) \
ULONG64 \
Class::Method Args \
{ \
ErrOut("TargetInfo::" #Method " is not available in the current debug session\n"); \
return Val; \
}
TargetInfo g_UnexpectedTarget;
UNEXPECTED_HR(TargetInfo, Initialize, (void))
UNEXPECTED_HR(TargetInfo, ReadVirtual, (
IN ULONG64 Offset,
OUT PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesRead
))
UNEXPECTED_HR(TargetInfo, WriteVirtual, (
IN ULONG64 Offset,
IN PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesWritten
))
UNEXPECTED_HR(TargetInfo, ReadPhysical, (
IN ULONG64 Offset,
OUT PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesRead
))
UNEXPECTED_HR(TargetInfo, WritePhysical, (
IN ULONG64 Offset,
IN PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesWritten
))
UNEXPECTED_HR(TargetInfo, ReadControl, (
IN ULONG Processor,
IN ULONG64 Offset,
OUT PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesRead
))
UNEXPECTED_HR(TargetInfo, WriteControl, (
IN ULONG Processor,
IN ULONG64 Offset,
IN PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesWritten
))
UNEXPECTED_HR(TargetInfo, ReadIo, (
IN ULONG InterfaceType,
IN ULONG BusNumber,
IN ULONG AddressSpace,
IN ULONG64 Offset,
OUT PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesRead
))
UNEXPECTED_HR(TargetInfo, WriteIo, (
IN ULONG InterfaceType,
IN ULONG BusNumber,
IN ULONG AddressSpace,
IN ULONG64 Offset,
IN PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesWritten
))
UNEXPECTED_HR(TargetInfo, ReadMsr, (
IN ULONG Msr,
OUT PULONG64 Value
))
UNEXPECTED_HR(TargetInfo, WriteMsr, (
IN ULONG Msr,
IN ULONG64 Value
))
UNEXPECTED_HR(TargetInfo, ReadBusData, (
IN ULONG BusDataType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN ULONG Offset,
OUT PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesRead
))
UNEXPECTED_HR(TargetInfo, WriteBusData, (
IN ULONG BusDataType,
IN ULONG BusNumber,
IN ULONG SlotNumber,
IN ULONG Offset,
IN PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG BytesWritten
))
UNEXPECTED_HR(TargetInfo, CheckLowMemory, (
))
UNEXPECTED_HR(TargetInfo, ReadHandleData, (
IN ULONG64 Handle,
IN ULONG DataType,
OUT OPTIONAL PVOID Buffer,
IN ULONG BufferSize,
OUT OPTIONAL PULONG DataSize
))
UNEXPECTED_HR(TargetInfo, GetTargetContext, (
ULONG64 Thread,
PVOID Context
))
UNEXPECTED_HR(TargetInfo, SetTargetContext, (
ULONG64 Thread,
PVOID Context
))
UNEXPECTED_HR(TargetInfo, GetThreadIdByProcessor, (
IN ULONG Processor,
OUT PULONG Id
))
UNEXPECTED_HR(TargetInfo, GetThreadInfoDataOffset, (
PTHREAD_INFO Thread,
ULONG64 ThreadHandle,
PULONG64 Offset))
UNEXPECTED_HR(TargetInfo, GetProcessInfoDataOffset, (
PTHREAD_INFO Thread,
ULONG Processor,
ULONG64 ThreadData,
PULONG64 Offset))
UNEXPECTED_HR(TargetInfo, GetThreadInfoTeb, (
PTHREAD_INFO Thread,
ULONG Processor,
ULONG64 ThreadData,
PULONG64 Offset))
UNEXPECTED_HR(TargetInfo, GetProcessInfoPeb, (
PTHREAD_INFO Thread,
ULONG Processor,
ULONG64 ThreadData,
PULONG64 Offset))
UNEXPECTED_HR(TargetInfo, GetSelDescriptor, (
MachineInfo* Machine,
ULONG64 Thread,
ULONG Selector,
PDESCRIPTOR64 Desc))
UNEXPECTED_HR(TargetInfo, GetTargetKdVersion, (
PDBGKD_GET_VERSION64 Version))
UNEXPECTED_HR(TargetInfo, ReadBugCheckData, (
PULONG Code, ULONG64 Args[4]))
UNEXPECTED_HR(TargetInfo, GetExceptionContext, (
PCROSS_PLATFORM_CONTEXT Context))
UNEXPECTED_VOID(TargetInfo, InitializeWatchTrace, (
void))
UNEXPECTED_VOID(TargetInfo, ProcessWatchTraceEvent, (
PDBGKD_TRACE_DATA TraceData,
ADDR PcAddr))
UNEXPECTED_HR(TargetInfo, WaitForEvent, (
ULONG Flags,
ULONG Timeout))
UNEXPECTED_HR(TargetInfo, RequestBreakIn, (void))
UNEXPECTED_HR(TargetInfo, Reboot, (void))
UNEXPECTED_HR(TargetInfo, InsertCodeBreakpoint, (
PPROCESS_INFO Process,
MachineInfo* Machine,
PADDR Addr,
PUCHAR StorageSpace))
UNEXPECTED_HR(TargetInfo, RemoveCodeBreakpoint, (
PPROCESS_INFO Process,
MachineInfo* Machine,
PADDR Addr,
PUCHAR StorageSpace))
UNEXPECTED_HR(TargetInfo, QueryMemoryRegion, (
PULONG64 Handle,
BOOL HandleIsOffset,
PMEMORY_BASIC_INFORMATION64 Info))