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250 lines
4.4 KiB
250 lines
4.4 KiB
/*++
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Copyright (c) 1993-1999 Microsoft Corporation
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Module Name:
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kdexts.c
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Abstract:
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This file contains the generic routines and initialization code
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for the kernel debugger extensions dll.
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Author:
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Stephane Plante (splante)
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jdunn, adapted to USB2
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Environment:
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User Mode
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--*/
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#include "precomp.h"
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#pragma hdrstop
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#include <ntverp.h>
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#include <imagehlp.h>
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//
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// globals
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//
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EXT_API_VERSION ApiVersion = { (VER_PRODUCTVERSION_W >> 8), (VER_PRODUCTVERSION_W & 0xff), EXT_API_VERSION_NUMBER, 0 };
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WINDBG_EXTENSION_APIS ExtensionApis;
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USHORT SavedMajorVersion;
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USHORT SavedMinorVersion;
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#ifdef USB_KD64
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DBGKD_GET_VERSION64 KernelVersionPacket;
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#else
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DBGKD_GET_VERSION32 KernelVersionPacket;
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#endif
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DllInit(
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HANDLE hModule,
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DWORD dwReason,
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DWORD dwReserved
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)
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{
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switch (dwReason) {
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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break;
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case DLL_PROCESS_ATTACH:
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break;
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}
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return TRUE;
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}
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VOID
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WinDbgExtensionDllInit(
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PWINDBG_EXTENSION_APIS lpExtensionApis,
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USHORT MajorVersion,
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USHORT MinorVersion
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)
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{
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ExtensionApis = *lpExtensionApis;
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SavedMajorVersion = MajorVersion;
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SavedMinorVersion = MinorVersion;
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return;
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}
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VOID
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CheckVersion(
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VOID
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)
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{
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#if DBG
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if ( (SavedMajorVersion != 0x0c) ||
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(SavedMinorVersion != VER_PRODUCTBUILD) ) {
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dprintf(
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"\r\n*** Extension DLL(%d Checked) does not match target "
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"system(%d %s)\r\n\r\n",
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VER_PRODUCTBUILD,
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SavedMinorVersion,
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(SavedMajorVersion==0x0f) ? "Free" : "Checked"
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);
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}
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#else
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if ( (SavedMajorVersion != 0x0f) ||
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(SavedMinorVersion != VER_PRODUCTBUILD) ) {
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dprintf(
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"\r\n*** Extension DLL(%d Free) does not match target "
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"system(%d %s)\r\n\r\n",
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VER_PRODUCTBUILD,
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SavedMinorVersion,
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(SavedMajorVersion==0x0f) ? "Free" : "Checked"
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);
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}
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#endif
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}
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BOOL
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HaveDebuggerData(
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VOID
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)
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{
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static int havedata = 0;
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if (havedata == 2) {
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return FALSE;
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}
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if (havedata == 0) {
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if (!Ioctl(
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IG_GET_KERNEL_VERSION,
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(PVOID)(&KernelVersionPacket),
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sizeof(KernelVersionPacket)
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)
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) {
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havedata = 2;
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} else if (KernelVersionPacket.MajorVersion == 0) {
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havedata = 2;
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} else {
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havedata = 1;
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}
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}
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return (havedata == 1) &&
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((KernelVersionPacket.Flags & DBGKD_VERS_FLAG_DATA) != 0);
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}
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#if 0
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BOOL
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GetUlong (
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IN PCHAR String,
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IN PULONG Value
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)
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{
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BOOL status;
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ULONG_PTR Location;
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ULONG result;
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Location = GetExpression( String );
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if (!Location) {
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dprintf("unable to get %s\n",String);
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return FALSE;
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}
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status = ReadMemory(
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Location,
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Value,
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sizeof(ULONG),
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&result
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);
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if (status == FALSE || result != sizeof(ULONG)) {
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return FALSE;
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}
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return TRUE;
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}
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BOOL
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GetUlongPtr (
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IN PCHAR String,
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IN PULONG_PTR Address
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)
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{
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BOOL status;
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ULONG_PTR Location;
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ULONG result;
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Location = GetExpression( String );
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if (!Location) {
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dprintf("unable to get %s\n",String);
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return FALSE;
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}
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status = ReadMemory(
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Location,
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Address,
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sizeof(ULONG_PTR),
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&result
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);
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if (status == FALSE || result != sizeof(ULONG)) {
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return FALSE;
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}
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return TRUE;
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}
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#endif //xxx
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LPEXT_API_VERSION
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ExtensionApiVersion(
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VOID
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)
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{
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return &ApiVersion;
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}
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DECLARE_API( version )
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{
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#if DBG
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PCHAR DebuggerType = "Checked";
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#else
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PCHAR DebuggerType = "Free";
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#endif
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dprintf(
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"%s Extension dll for Build %d debugging %s kernel for Build %d\n",
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DebuggerType,
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VER_PRODUCTBUILD,
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SavedMajorVersion == 0x0c ? "Checked" : "Free",
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SavedMinorVersion
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);
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return S_OK;
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}
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