Leaked source code of windows server 2003
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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
wdbgxlib.c
Abstract:
This module realizes most of the routines needed for the rdbss/smbmini debugger extension.
Author:
Balan Sethu Raman (SethuR) 11-May-1994
Notes:
Revision History:
11-Nov-1994 SethuR Created
11-Nov-1995 Changed to newer windbg apis
--*/
#define KDEXT_32BIT
#include "rxovride.h" //common compile flags
#include <ntos.h>
#include <nturtl.h>
#include "ntverp.h"
#include <windows.h>
#include <wdbgexts.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <kdextlib.h>
#include <rdpdrkd.h>
#include <ntrxdef.h>
#include <rxtypes.h>
extern "C" {
#include <rxlog.h>
}
#include "dbg.h"
#include "topobj.h"
#include "smartptr.h"
#include "trc.h"
WINDBG_EXTENSION_APIS ExtensionApis;
EXT_API_VERSION ApiVersion = { 3, 5, EXT_API_VERSION_NUMBER, 0 };
BOOL ParseTrc(PCSTR args, DWORD *dwLines);
#define ERRPRT dprintf
#define NL 1
#define NONL 0
USHORT SavedMajorVersion;
USHORT SavedMinorVersion;
BOOL ChkTarget; // is debuggee a CHK build?
/*
* Print out an optional message, an ANSI_STRING, and maybe a new-line
*/
BOOL
wPrintStringA( IN LPSTR msg OPTIONAL, IN PANSI_STRING pStr, IN BOOL nl )
{
PCHAR StringData;
ULONG BytesRead;
if( msg )
dprintf( msg );
if( pStr->Length == 0 ) {
if( nl )
dprintf( "\n" );
return TRUE;
}
StringData = (PCHAR)LocalAlloc( LPTR, pStr->Length + 1 );
if( StringData == NULL ) {
ERRPRT( "Out of memory!\n" );
return FALSE;
}
ReadMemory( (ULONG_PTR)pStr->Buffer,
StringData,
pStr->Length,
&BytesRead );
if ( BytesRead ) {
StringData[ pStr->Length ] = '\0';
dprintf("%s%s", StringData, nl ? "\n" : "" );
}
LocalFree((HLOCAL)StringData);
return BytesRead;
}
/*
* Fetches the data at the given address
*/
BOOLEAN
wGetData( ULONG_PTR dwAddress, PVOID ptr, ULONG size, IN PSZ type)
{
BOOL b;
ULONG BytesRead;
b = ReadMemory( dwAddress, ptr, size, &BytesRead );
if (!b || BytesRead != size ) {
dprintf( "Unable to read %u bytes at %X, for %s\n", size, dwAddress, type );
return FALSE;
}
return TRUE;
}
/*
* Fetch the null terminated ASCII string at dwAddress into buf
*/
BOOL
wGetString( ULONG_PTR dwAddress, PSZ buf )
{
for(;;) {
if( !wGetData( dwAddress,buf, 1, "..stringfetch") ){
//dprintf("readfailure at %08lx\n",dwAddress);
return FALSE;
}
//dprintf ("stringing %08lx %08lx %c\n", dwAddress, buf,
// ((*buf==0)?'.':*buf) );
if ( *buf == '\0' ) { break; }
dwAddress++;
buf++;
};
return TRUE;
}
#if 0
/*
* Get 'size' bytes from the debuggee program at 'dwAddress' and place it
* in our address space at 'ptr'. Use 'type' in an error printout if necessary
*/
BOOL
wGetData_srv( IN LPVOID ptr, IN ULONG_PTR dwAddress, IN ULONG size, IN PCSTR type )
{
BOOL b;
ULONG BytesRead;
ULONG count;
while( size > 0 ) {
count = min( size, 3000 );
b = ReadMemory((ULONG) dwAddress, ptr, count, &BytesRead );
if (!b || BytesRead != count ) {
ERRPRT( "Unable to read %u bytes at %X, for %s\n", size, dwAddress, type );
return FALSE;
}
dwAddress += count;
size -= count;
ptr = (LPVOID)((ULONG)ptr + count);
}
return TRUE;
}
/*
* Follow a LIST_ENTRY list beginning with a head at dwListHeadAddr in the debugee's
* address space. For each element in the list, print out the pointer value at 'offset'
*/
BOOL
PrintListEntryList( IN ULONG_PTR dwListHeadAddr, IN LONG offset )
{
LIST_ENTRY ListEntry;
ULONG i=0;
BOOL retval = TRUE;
ULONG count = 20;
if( !wGetData_srv( &ListEntry, dwListHeadAddr, sizeof( ListEntry ), "LIST_ENTRY" ) )
return FALSE;
while( count-- ) {
if( (ULONG_PTR)ListEntry.Flink == dwListHeadAddr || (ULONG_PTR)ListEntry.Flink == 0 )
break;
if( !wGetData_srv( &ListEntry, (ULONG_PTR)ListEntry.Flink, sizeof( ListEntry ), "ListEntry" ) ) {
retval = FALSE;
break;
}
dprintf( "%16X%s", (LONG)ListEntry.Flink + offset, (i && !(i&3)) ? "\n" : "" );
i++;
}
if( count == 0 && (ULONG_PTR)ListEntry.Flink != dwListHeadAddr && ListEntry.Flink ) {
dprintf( "\nTruncated list dump\n" );
} else if( ! ( i && !(i&3) ) ) {
dprintf( "\n" );
}
return retval;
}
#endif
/*
* Print out a single HEX character
*/
VOID
wPrintHexChar( IN UCHAR c )
{
dprintf( "%c%c", "0123456789abcdef"[ (c>>4)&0xf ], "0123456789abcdef"[ c&0xf ] );
}
/*
* Print out 'buf' of 'cbuf' bytes as HEX characters
*/
VOID
wPrintHexBuf( IN PUCHAR buf, IN ULONG cbuf )
{
while( cbuf-- ) {
wPrintHexChar( *buf++ );
dprintf( " " );
}
}
#if 0
/*
* Fetch the null terminated UNICODE string at dwAddress into buf
*/
BOOL
GetString( IN ULONG_PTR dwAddress, IN LPWSTR buf, IN ULONG MaxChars )
{
do {
if( !wGetData_srv( buf, dwAddress, sizeof( *buf ), "UNICODE Character" ) )
return FALSE;
dwAddress += sizeof( *buf );
} while( --MaxChars && *buf++ != '\0' );
return TRUE;
}
#endif
VOID
WinDbgExtensionDllInit(
PWINDBG_EXTENSION_APIS lpExtensionApis,
USHORT MajorVersion,
USHORT MinorVersion
)
{
// ExtensionApis = *lpExtensionApis;
memcpy(&ExtensionApis, lpExtensionApis, sizeof(ExtensionApis));
SavedMajorVersion = MajorVersion;
SavedMinorVersion = MinorVersion;
ChkTarget = SavedMajorVersion == 0x0c ? TRUE : FALSE;
}
DECLARE_API( version )
{
#if DBG
PCSTR kind = "Checked";
#else
PCSTR kind = "Free";
#endif
dprintf(
"%s RDBSS+RdpDr Extension dll for Build %d debugging %s kernel for Build %d\n",
kind,
VER_PRODUCTBUILD,
SavedMajorVersion == 0x0c ? "Checked" : "Free",
SavedMinorVersion
);
}
VOID
CheckVersion(
VOID
)
{
#if DBG
if ((SavedMajorVersion != 0x0c) || (SavedMinorVersion != VER_PRODUCTBUILD)) {
dprintf("\r\n*** Extension DLL(%d Checked) does not match target system(%d %s)\r\n\r\n",
VER_PRODUCTBUILD, SavedMinorVersion, (SavedMajorVersion==0x0f) ? "Free" : "Checked" );
}
#else
if ((SavedMajorVersion != 0x0f) || (SavedMinorVersion != VER_PRODUCTBUILD)) {
dprintf("\r\n*** Extension DLL(%d Free) does not match target system(%d %s)\r\n\r\n",
VER_PRODUCTBUILD, SavedMinorVersion, (SavedMajorVersion==0x0f) ? "Free" : "Checked" );
}
#endif
}
LPEXT_API_VERSION
ExtensionApiVersion(
VOID
)
{
return &ApiVersion;
}
LPSTR LibCommands[] = {
"dump <Struct Type Name>@<address expr> ",
"listref [address of specific RefCount object]"
"ddd <address expr> -- dump using context"
"columns <d> -- controls the number of columns in the display ",
"lg [<logentries>][@filename] -- dump the log",
"gv -- dump out important variables",
"activerx [fcbtomatch]-- dump the list of active contexts",
"flags <value>-- print which flags are actually set (no text yet)",
"cxr -- looks up cxr value from memory and does !cxr/!kb",
"irp,thread,fcb,fobx,srvopen,exchange,stuff,smbbuf -- dumps the named item from the last dumpee",
"version",
0
};
DECLARE_API( help )
{
int i;
dprintf( "\nRDBSS debugger extensions:\n");
for( i=0; LibCommands[i]; i++ )
dprintf( " %s\n", LibCommands[i] );
}
ULONG FieldOffsetOfContextListEntryInRxC();
VOID ReadRxContextFields(ULONG_PTR RxContext,PULONG_PTR pFcb,PULONG_PTR pThread, PULONG_PTR pMiniCtx2);
DECLARE_API( dump );
DECLARE_API( activerx )
{
//ULONG dwAddress;
LIST_ENTRY LEbuffer;
PLIST_ENTRY pRxActiveContexts,pListEntry;
ULONG_PTR RxContext,CapturedFcb,LastThread,MinirdrCtx2;
ULONG_PTR MatchFcb = 0x1badf00d;
pRxActiveContexts = pListEntry = (PLIST_ENTRY)GetExpression("rdpdr!RxActiveContexts");
if( args && *args ) {
MatchFcb = GetExpression( args );
}
dprintf("\n Firstplentry: %08lx\n", pListEntry);
for (;;) {
if (!wGetData((ULONG_PTR)pListEntry,&LEbuffer,sizeof(LEbuffer),"RxActiveContexts")) return;
if (LEbuffer.Flink == pRxActiveContexts) {
if (pRxActiveContexts == pListEntry){
dprintf("Active RxContext List Empty!\n");
}
return;
}
RxContext = ((ULONG_PTR)LEbuffer.Flink)-FieldOffsetOfContextListEntryInRxC();
CapturedFcb = LastThread = 0x0badf00d;
ReadRxContextFields(RxContext,&CapturedFcb,&LastThread,&MinirdrCtx2);
if (MatchFcb == 0x1badf00d) {
dprintf("%08lx: %08lx %08lx: %08lx %08lx %08lx %08lx\n", pListEntry,
LEbuffer.Flink,LEbuffer.Blink,RxContext,CapturedFcb,LastThread,MinirdrCtx2);
} else if ((MatchFcb == CapturedFcb)
|| (MatchFcb == LastThread) ) {
// if a matchfcb is specified and we have a match, the print and dump
char Bufferqq[100];
dprintf("%08lx: %08lx %08lx: %08lx %08lx %08lx %08lx\n", pListEntry,
LEbuffer.Flink,LEbuffer.Blink,RxContext,CapturedFcb,LastThread,MinirdrCtx2);
sprintf(Bufferqq," %08lx ",RxContext);
dump( hCurrentProcess,
hCurrentThread,
dwCurrentPc,
dwProcessor,
Bufferqq
);
}
pListEntry = LEbuffer.Flink;
}
}
#define GV_dprintf(__FORMAT__,__NAME__,__VALUE__) { \
dprintf( "%s%-30s %08lx " __FORMAT__ "%s", \
c&1 ? " " : "", \
__NAME__, \
dwAddress, \
__VALUE__, \
c&1 ? "\n" : "" ); \
}
DECLARE_API( gv )
{
ULONG_PTR dwAddress;
CHAR buf[ 100 ];
int i;
int c=0;
//CODE.IMPROVEMENT maybe we should hallucinate the moduleprefix instead
// of having to specify it
//CODE.IMPROVEMENT if we're not doing that, we shouldn't copy the name!
//cause stuff to be loaded before we start printing
dwAddress = GetExpression( "rdpdr!RxExpCXR" );
dwAddress = GetExpression( "mrxsmb!SmbMmExchangesInUse" );
for( i=0; GlobalBool[i]; i++, c++ ) {
BOOL b;
strcpy( &buf[0], GlobalBool[i] );
dwAddress = GetExpression( buf );
if( dwAddress == 0 ) {
ERRPRT( "Unable to get address of %s\n", GlobalBool[i] );
continue;
}
if( !wGetData( dwAddress,&b, sizeof(b), "global BOOL") ) continue;
GV_dprintf("%10s",GlobalBool[i],(b ? " TRUE" : "FALSE"));
}
for( i=0; GlobalShort[i]; i++, c++ ) {
SHORT s;
strcpy( &buf[0], GlobalShort[i] );
dwAddress = GetExpression( buf );
if( dwAddress == 0 ) {
ERRPRT( "Unable to get address of %s\n", GlobalShort[i] );
continue;
}
if( !wGetData( dwAddress,&s,sizeof(s), "global SHORT") ) continue;
GV_dprintf("%10d",GlobalShort[i],s);
}
for( i=0; GlobalLong[i]; i++, c++ ) {
LONG l;
strcpy( &buf[0], GlobalLong[i] );
dwAddress = GetExpression( buf );
if( dwAddress == 0 ) {
ERRPRT( "Unable to get address of %s\n", GlobalLong[i] );
continue;
}
if( !wGetData( dwAddress,&l, sizeof(l), "global LONG") ) continue;
GV_dprintf("%10d",GlobalLong[i],l);
}
for( i=0; GlobalPtrs[i]; i++, c++ ) {
LONG l;
//ERRPRT( "zaaaaa %s\n", GlobalPtrs[i] );
strcpy( &buf[0], GlobalPtrs[i] );
dwAddress = GetExpression( buf );
//ERRPRT( "zbbbbb %s %08lx\n", GlobalPtrs[i], dwAddress );
if( dwAddress == 0 ) {
ERRPRT( "Unable to get address of %s\n", GlobalPtrs[i] );
continue;
}
if( !wGetData( dwAddress,&l, sizeof(l), "global PTR") ) continue;
//ERRPRT( "zccccc %s %08lx\n", GlobalPtrs[i], dwAddress );
GV_dprintf(" %08lx",GlobalPtrs[i],l);
}
dprintf( "\n" );
}
HANDLE DumpFile;
CHAR wwDumpFormat[] = "-%06d: %s\n";
VOID DumpRoutine(
ULONG EntryNumber,
PSZ OriginalStringToPrint
)
{
UCHAR Buffer[200];
UCHAR StringToPrint[160];
PUCHAR p,q,r; LONG i;
ULONG n,l3,l2,l1,l0; UCHAR Numbuf[32];
ULONG ReturnedSize;
//dprintf("before %d\n",EntryNumber);
for (p=(PUCHAR)OriginalStringToPrint,q=StringToPrint,i=160;;) {
PSZ format=NULL;
if (*p==0) break;
if (*p==0x4) {
format = "%lx";
} else if (*p==0x5) {
format = "%ld";
} else if (*p < ' ') {
p++;i--;continue;
}
if (format!=NULL) {
LONG Length;
//translate the number
p++;
l0=*p++;
l1=(*p++)<<8;
l2=(*p++)<<16;
l3=(*p++)<<24;
n = l0 + l1 + l2 + l3;
//dprintf("yaya %d %08lx %08lx %08lx %08lx %08lx\n",n,n,l0,l1,l2,l3);
Length = sprintf((char *)Numbuf,format,n);
if (Length <= i) {
for (r=Numbuf;*r;) { *q++ = *r++; }
i -= Length;
} else {
i = 0;
}
if (i>0) continue;
}
if (i<=0) break;
*q++ = *p++; i--;
}
*q = 0;
//dprintf("after %d\n",EntryNumber);
if (DumpFile == INVALID_HANDLE_VALUE) {
dprintf(wwDumpFormat,EntryNumber,StringToPrint);
return;
}
sprintf((char *)Buffer,wwDumpFormat,EntryNumber,StringToPrint);
WriteFile(DumpFile,Buffer,strlen((char *)Buffer),&ReturnedSize,NULL);
//should i check??
return;
}
DECLARE_API( lg )
{
ULONG_PTR dwAddress;
BYTE DataBuffer[MAX_RX_LOG_ENTRY_SIZE];
BYTE AlternateLine[110];
RX_LOG RxLog;
ULONG LogEntries = 30;
BOOLEAN LogEntriesSpecified = FALSE;
PRX_LOG_ENTRY_HEADER CurrentEntry;
//SETCALLBACKS();
dwAddress = GetExpression("rdpdr!s_RxLog");
if (!wGetData(dwAddress,&RxLog,sizeof(RX_LOG),"RxLog")) return;
DumpFile = INVALID_HANDLE_VALUE;
if( args && *args ) {
LPSTR lpArgs;
for (;*args;) {
if (*args=='@') { break;}
if ((*args>='0') && (*args<='9')) {
sscanf(args,"%ld",&LogEntries);
LogEntriesSpecified = TRUE;
break;
}
args++;
}
lpArgs = strpbrk(args, "@");
if (lpArgs) {
DumpFile = CreateFileA(lpArgs+1,
GENERIC_READ|GENERIC_WRITE,0,
NULL,
CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,
INVALID_HANDLE_VALUE);
if (DumpFile == INVALID_HANDLE_VALUE){
ULONG rc = LOWORD(GetLastError());
dprintf("Error Opening <%s> is %d.",lpArgs+1,rc);
return;
}
if (!LogEntriesSpecified) {
LogEntries = 99999999; //this will be reset to the right size
}
}
}
// Dump the log header followed by the log entries ...
dprintf("s_RxLog.State %lx\n",RxLog.State);
dprintf("s_RxLog.CurrentEntry %lx\n",RxLog.CurrentEntry);
dprintf("s_RxLog.BaseEntry %lx\n",RxLog.BaseEntry);
dprintf("s_RxLog.EntryLimit %lx\n",RxLog.EntryLimit);
dprintf("s_RxLog.LogBufferSizeInEntries %ld\n",RxLog.LogBufferSizeInEntries);
dprintf("s_RxLog.NumberOfEntriesIgnored %ld\n",RxLog.NumberOfEntriesIgnored);
dprintf("s_RxLog.NumberOfLogWriteAttempts %ld\n",RxLog.NumberOfLogWriteAttempts);
dprintf("s_RxLog.NumberOfLogWraps %ld\n",RxLog.NumberOfLogWraps);
if (LogEntries > RxLog.LogBufferSizeInEntries) {
LogEntries = RxLog.LogBufferSizeInEntries;
}
if (LogEntries < 1) {
LogEntries = 1;
}
CurrentEntry = RxLog.CurrentEntry;
CurrentEntry -= (LogEntries-1);
if (CurrentEntry < RxLog.BaseEntry) {
CurrentEntry += (RxLog.EntryLimit - RxLog.BaseEntry);
}
for (;;) {
ULONG TextPtr;
BOOLEAN ExtraOrdinaryLogEntry;
LogEntries--;
if ( CheckControlC() ) {
return;
}
if (!wGetData((ULONG_PTR)CurrentEntry,&TextPtr,sizeof(TextPtr),"TextPtr")) return;
if (!wGetData(TextPtr,&DataBuffer[0],sizeof(DataBuffer),"LogEntryBuffer")) return;
ExtraOrdinaryLogEntry = (DataBuffer[0] == '#')&&(DataBuffer[1] == '>')&&(DataBuffer[3] == 0);
if (!ExtraOrdinaryLogEntry) {
//dprintf("-%06d: %s\n",LogEntries,DataBuffer);
DumpRoutine(LogEntries,(char *)DataBuffer);
} else {
ULONG BinaryArgs = DataBuffer[2]-'0';
PULONG_PTR x = (PULONG_PTR)&DataBuffer[sizeof(ULONG_PTR)];
char Buffers[12*100]; //CODE.IMPROVEMENT this is stupid but effective
ULONG i;
ULONG_PTR BinaryStringMask;
PSZ ffFormat;
//dprintf("textptr = %08lx, binaryString = %08lx\n", TextPtr, x[0]);
for (i=1,BinaryStringMask=x[0];i<=BinaryArgs;i++) {
if (BinaryStringMask & (1<<(i-1))) {
//dprintf("Stringing %d\n",i);
wGetString(x[i],&Buffers[i*100]); //this could fail!!!!
x[i] = ((ULONG_PTR)&Buffers[i*100]);
//dprintf(" string is %s\n",x[i]);
}
}
ffFormat = (PSZ)(x[1]);
switch (BinaryArgs) {
case 9:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9]);
break;
case 8:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3],x[4],x[5],x[6],x[7],x[8]);
break;
case 7:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3],x[4],x[5],x[6],x[7]);
break;
case 6:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3],x[4],x[5],x[6]);
break;
case 5:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3],x[4],x[5]);
break;
case 4:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3],x[4]);
break;
case 3:
sprintf((char *)AlternateLine,ffFormat,x[2],x[3]);
break;
case 2:
sprintf((char *)AlternateLine,ffFormat,x[2]);
break;
case 1:
sprintf((char *)AlternateLine,ffFormat);
break;
}
DumpRoutine(LogEntries,(char *)AlternateLine);
}
if (LogEntries==0) break;
CurrentEntry++;
if (CurrentEntry==RxLog.EntryLimit) {
CurrentEntry = RxLog.BaseEntry;
}
}
if (DumpFile != INVALID_HANDLE_VALUE) {
CloseHandle(DumpFile);
DumpFile = INVALID_HANDLE_VALUE;
}
}
PCWSTR ExtensionLib = NULL;
HANDLE hExtensionMod = NULL;
ULONG DebugeeArchitecture = 0;
PCWSTR GetExtensionLibPerDebugeeArchitecture(ULONG DebugeeArchitecture);
PWINDBG_EXTENSION_ROUTINE
GetKdExtProcAddress(
IN PCSTR FuncName
)
{
PWINDBG_EXTENSION_ROUTINE WindbgExtRoutine = NULL;
//dprintf( "yaya\n");
if (hExtensionMod == NULL) {
if (DebugeeArchitecture == 0) {
ULONG_PTR pArchitecture;
ReloadSymbols(" rdbss.sys");
pArchitecture = GetExpression("rdpdr!RxProcessorArchitecture");
if (pArchitecture==0) {
dprintf("couldn't get architecture value...\n");
return NULL;
}
if (!wGetData(pArchitecture,&DebugeeArchitecture,sizeof(DebugeeArchitecture),"RxArch")) return NULL;
if ((DebugeeArchitecture&0x0fff0000) != 0xabc0000) {
dprintf("\n Bad DebugeeArchitecture %08lx\n", DebugeeArchitecture);
return(NULL);
}
DebugeeArchitecture &= 0xffff;
}
ExtensionLib = GetExtensionLibPerDebugeeArchitecture(DebugeeArchitecture);
if (ExtensionLib == NULL) {
dprintf( "bad debuggee arch\n");
return(NULL);
}
hExtensionMod = LoadLibrary( ExtensionLib );
if (hExtensionMod == NULL) {
dprintf( "couldn't load %ws\n", ExtensionLib );
return(NULL);
}
}
WindbgExtRoutine = (PWINDBG_EXTENSION_ROUTINE)GetProcAddress( (HINSTANCE)hExtensionMod, FuncName );
if (WindbgExtRoutine == NULL) {
dprintf( "couldn't find %ws%s\n", ExtensionLib, FuncName );
}
return WindbgExtRoutine;
}
#define CALL_THRU(NAME,ARGS) { \
PWINDBG_EXTENSION_ROUTINE WindbgExtRoutine = GetKdExtProcAddress(NAME); \
if (WindbgExtRoutine != NULL) { \
(WindbgExtRoutine)( hCurrentProcess, \
hCurrentThread, \
dwCurrentPc, \
dwProcessor, \
ARGS \
); \
} \
}
DECLARE_API( testr )
{
CALL_THRU ( "threadfields", "");
}
DECLARE_API( dump );
VOID
__FollowOnHelper (
PFOLLOWON_HELPER_ROUTINE Callee,
HANDLE hCurrentProcess,
HANDLE hCurrentThread,
ULONG dwCurrentPc,
ULONG dwProcessor,
PCSTR args
)
{
BYTE Name[100], Buffer2[200];
FOLLOWON_HELPER_RETURNS ret;
PPERSISTENT_RDPDRKD_INFO p;
p = LocatePersistentInfoFromView();
if (!p) {
dprintf("Couldn't allocate perstistent info buffer...sorry...\n");
return;
}
ret = Callee(p,Name,Buffer2);
if (p!= NULL) FreePersistentInfoView(p);
p = NULL;
switch (ret) {
case FOLLOWONHELPER_DUMP:
dump(hCurrentProcess,
hCurrentThread,
dwCurrentPc,
dwProcessor,
(char *)Buffer2
);
break;
case FOLLOWONHELPER_CALLTHRU:
CALL_THRU ( (char *)Name, (char *)Buffer2);
break;
case FOLLOWONHELPER_ERROR:
dprintf("%s",Buffer2);
break;
case FOLLOWONHELPER_DONE:
break;
}
return;
}
#define FollowOnHelper(a) { \
__FollowOnHelper(a, \
hCurrentProcess, \
hCurrentThread, \
dwCurrentPc, \
dwProcessor, \
args); \
}
DECLARE_FOLLOWON_HELPER_CALLEE(FcbFollowOn);
DECLARE_API( fcb )
{
FollowOnHelper(FcbFollowOn);
}
DECLARE_API( flags )
{
ULONG i,mask,newline,value;
if( args && *args ) {
sscanf(args,"%lx",&value);
dprintf("Flags for %08lx\n",value);
} else {
dprintf("error in flags: no value presented\n");
return;
}
for (i=newline=0,mask=1;i<32;i++,mask<<=1) {
if (value&mask) {
dprintf(" %02d 0x%08lx%c",i,mask,(newline==0)?' ':'\n');
newline ^= 1;
}
}
if (newline) {
dprintf("\n");
}
}
DECLARE_API( cxr )
{
ULONG_PTR dwAddress,cxr;
BYTE NumBuffer[16];
RX_LOG RxLog;
ULONG LogEntries = 30;
PRX_LOG_ENTRY_HEADER CurrentEntry;
//SETCALLBACKS();
dwAddress = GetExpression("rdpdr!RxExpCXR");
if (!wGetData(dwAddress,&cxr,sizeof(cxr),"cxr")) return;
dprintf("\nRxExpCXR=%08lx\n",cxr);
sprintf((char *)NumBuffer,"%08lx \n",cxr);
CALL_THRU ( "cxr", (char *)NumBuffer);
if (DebugeeArchitecture==0) {
CALL_THRU ( "kb", "");
}
}
VOID dprintfsprintfbuffer(BYTE *Buffer)
{
dprintf("%s\n",Buffer);
}
DECLARE_API(ddd);
#if DBG
VOID ListRefs(ULONG_PTR dwAddress, BOOL ShowStack,
HANDLE hCurrentProcess,
HANDLE hCurrentThread,
ULONG dwCurrentPc,
ULONG dwProcessor)
{
ULONG_PTR dwRecordListAddr;
ULONG_PTR dwCurrentAddr;
ULONG_PTR dwAddr;
ReferenceTraceRecord CurrentRecord;
ULONG_PTR dwTotalRefs;
ULONG_PTR dwRefs;
ULONG_PTR dwRefsPrinted;
char szObjectName[32];
dwRecordListAddr = GetExpression("rdpdr!RefCount___TraceRecordList");
if (dwRecordListAddr == 0) {
dprintf("Unable to get address of rdpdr!RefCount___TraceRecordList\n");
return;
}
dwAddr = GetExpression("rdpdr!RefCount___dwReferenceTraceIndex");
if (dwAddr == 0) {
dprintf("Unable to get address of rdpdr!RefCount___dwReferenceTraceIndex\n");
return;
}
if (!wGetData(dwAddr, &dwTotalRefs, sizeof(dwTotalRefs), "ULONG_PTR")) {
return;
}
if (dwAddress != 0xFFFFFFFF) {
dprintf("dumping references to object %p\n", dwAddress);
}
dprintf("TraceRecord References ObjectPointer ObjectType\n");
dwCurrentAddr = dwRecordListAddr;
dwRefs = 0;
dwRefsPrinted = 0;
while(dwRefs < dwTotalRefs && dwCurrentAddr < dwRecordListAddr + sizeof(RefCount::_TraceRecordList))
{
if (wGetData(dwCurrentAddr, &CurrentRecord, sizeof(CurrentRecord), "ReferenceTraceRecord")) {
if (wGetData((ULONG_PTR)CurrentRecord.ClassName, &szObjectName, sizeof(szObjectName), "Object Name")) {
szObjectName[sizeof(szObjectName) - 1] = 0;
} else {
szObjectName[0] = 0;
}
if (dwAddress == 0xFFFFFFFF || (ULONG_PTR)CurrentRecord.pRefCount == dwAddress) {
dprintf("%p %p %p %s\n", dwCurrentAddr, CurrentRecord.refs, CurrentRecord.pRefCount, szObjectName);
dwRefsPrinted++;
if (ShowStack) {
char szCmd[32];
sprintf(szCmd, "ReferenceTraceRecord@%p", dwCurrentAddr);
ddd(hCurrentProcess, hCurrentThread, dwCurrentPc, dwProcessor, szCmd);
}
}
} else {
break;
}
dwCurrentAddr += sizeof(CurrentRecord);
dwRefs++;
}
dprintf("Printed %ld of %ld paged in objects of %ld records\n", dwRefsPrinted, dwRefs, dwTotalRefs);
}
#endif
DECLARE_API( trc )
{
#if DBG
ULONG_PTR dwRecentTracesAddr;
ULONG_PTR dwCurrentMsgAddr;
ULONG_PTR dwCurrentAddr;
ULONG_PTR dwCurrentMsg;
ULONG_PTR dwFirstLine;
ULONG_PTR dwFinalLine;
ULONG_PTR dwCurrentLine;
ULONG_PTR dwLinesToPrint;
ULONG_PTR dwLines = 0;
char szTraceLine[TRC_BUFFER_SIZE];
if (!ParseTrc(args, &dwLines)) {
return;
}
dwRecentTracesAddr = GetExpression("rdpdr!TRC_RecentTraces");
if (dwRecentTracesAddr == 0) {
dprintf("Unable to get address of rdpdr!TRC_RecentTraces\n");
return;
}
dwCurrentMsgAddr = GetExpression("rdpdr!TRC_CurrentMsg");
if (dwCurrentMsgAddr == 0) {
dprintf("Unable to get address of rdpdr!TRC_CurrentMsg\n");
return;
}
//
// Look up how many traces have been done
//
if (!wGetData(dwCurrentMsgAddr, &dwCurrentMsg, sizeof(dwCurrentMsg), "ULONG_PTR")) {
return;
}
if (dwCurrentMsg == 0xFFFFFFFF) {
dprintf("No tracing\n");
return;
}
dprintf("Total Traces: %ld\n", dwCurrentMsg);
if (dwCurrentMsg > TRC_RamMsgMask) {
//
// We wrapped at least once
//
dwFirstLine = (dwCurrentMsg + 1) & TRC_RamMsgMask;
dwFinalLine = (dwCurrentMsg) & TRC_RamMsgMask;
dwLinesToPrint = TRC_RamMsgMax;
} else {
dwFirstLine = 0;
dwFinalLine = dwCurrentMsg;
dwLinesToPrint = dwFinalLine + 1;
}
if (dwLinesToPrint > dwLines) {
// Advance first line by the difference
dwFirstLine = (dwFirstLine + (dwLinesToPrint - dwLines)) & TRC_RamMsgMask;
// Adjust number of lines downward
dwLinesToPrint = dwLines;
}
dwCurrentLine = dwFirstLine;
while(dwLinesToPrint > 0)
{
dwCurrentAddr = dwRecentTracesAddr + dwCurrentLine * TRC_BUFFER_SIZE;
if (wGetData(dwCurrentAddr, &szTraceLine[0], sizeof(szTraceLine), "TraceLine")) {
dprintf("%s", szTraceLine);
} else {
break;
}
dwCurrentLine = (dwCurrentLine + 1) & TRC_RamMsgMask;
dwLinesToPrint--;
}
#endif
}
#if DBG
BOOL ParseTrc(PCSTR args, DWORD *dwLines)
{
PCSTR p = args;
enum tagParseState {
Nominal,
Usage,
PostMinus,
StartLines,
Lines
} ParseState = Nominal;
DWORD LinesT = 0;
if (args == NULL) {
return TRUE;
}
while (ParseState != Usage && *p) {
switch(ParseState) {
case Nominal:
switch (*p) {
case '-':
ParseState = PostMinus;
break;
case ' ':
case '\t':
break;
default:
ParseState = Usage;
}
break;
case PostMinus:
switch (*p) {
case 'l':
ParseState = StartLines;
break;
default:
ParseState = Usage;
}
break;
case Lines:
case StartLines:
int i;
i = (*p) - '0';
if (i >= 0 && i <= 9) {
//
// Now past initial whitespace
//
ParseState = Lines;
LinesT *= 10;
LinesT += i;
} else {
switch (*p) {
case ' ':
case '\t':
if (ParseState == Lines) {
// Must be done
ParseState = Nominal;
} // else skip initial whitespace
break;
default:
ParseState = Usage;
}
}
break;
}
p++;
}
if (ParseState == Usage) {
dprintf("Error in arguments: %s\n", args);
dprintf(" %*c\n", p - args, '^');
dprintf("usage: trc [-l] [<numlines>]\n\n");
dprintf(" numlines: number of lines to trace\n");
return FALSE;
} else {
*dwLines = LinesT;
return TRUE;
}
}
#endif // DBG
DECLARE_API( listref )
{
ULONG_PTR RefObj = 0xFFFFFFFF;
if( args && *args ) {
RefObj = GetExpression( args );
}
#if DBG
ListRefs(RefObj, FALSE, hCurrentProcess, hCurrentThread, dwCurrentPc, dwProcessor);
#endif
}
DECLARE_API( listreff )
{
ULONG_PTR RefObj = 0xFFFFFFFF;
if( args && *args ) {
RefObj = GetExpression( args );
}
#if DBG
ListRefs(RefObj, TRUE, hCurrentProcess, hCurrentThread, dwCurrentPc, dwProcessor);
#endif
}