windows-server-2003/windows/advcore/duser/duexts/kdexts.cpp

/*++

Copyright (c) 1985 - 1999, Microsoft Corporation

Module Name:

    kdexts.c

Abstract:

    This file contains the generic routines and initialization code
    for the kernel debugger extensions dll.

Author:

    Wesley Witt (wesw) 26-Aug-1993

Environment:

    User Mode

--*/

#include "precomp.h"
#pragma hdrstop

#include <imagehlp.h>
#include <wdbgexts.h>
#include <ntsdexts.h>
#include <ntverp.h>

//
// globals
//
EXT_API_VERSION        ApiVersion = { VER_PRODUCTVERSION_W >> 8,
                                      VER_PRODUCTVERSION_W & 0xff,
                                      EXT_API_VERSION_NUMBER64, 0 };
WINDBG_EXTENSION_APIS  ExtensionApis;
USHORT                 SavedMajorVersion;
USHORT                 SavedMinorVersion;
BOOL                   bDebuggingChecked;

DllInit(
    HANDLE hModule,
    DWORD  dwReason,
    DWORD  dwReserved
    )
{
    UNREFERENCED_PARAMETER(hModule);
    UNREFERENCED_PARAMETER(dwReserved);

    switch (dwReason) {
        case DLL_THREAD_ATTACH:
            break;

        case DLL_THREAD_DETACH:
            break;

        case DLL_PROCESS_DETACH:
            break;

        case DLL_PROCESS_ATTACH:
            break;
    }

    return TRUE;
}


VOID
WinDbgExtensionDllInit(
    WINDBG_EXTENSION_APIS *lpExtensionApis,
    USHORT MajorVersion,
    USHORT MinorVersion
    )
{
    ExtensionApis = *lpExtensionApis;

    SavedMajorVersion = MajorVersion;
    SavedMinorVersion = MinorVersion;

    bDebuggingChecked = (SavedMajorVersion == 0x0c);

    return;
}

DECLARE_API( version )
{
#if DBG
    PCHAR DebuggerType = "Checked";
#else
    PCHAR DebuggerType = "Free";
#endif
    UNREFERENCED_PARAMETER(args);
    UNREFERENCED_PARAMETER(dwProcessor);
    UNREFERENCED_PARAMETER(dwCurrentPc);
    UNREFERENCED_PARAMETER(hCurrentThread);
    UNREFERENCED_PARAMETER(hCurrentProcess);

    dprintf( "%s Extension dll for Build %d debugging %s kernel for Build %d\n",
             DebuggerType,
             VER_PRODUCTBUILD,
             SavedMajorVersion == 0x0c ? "Checked" : "Free",
             SavedMinorVersion
           );
}

LPEXT_API_VERSION
ExtensionApiVersion(
    VOID
    )
{
    return &ApiVersion;
}