ntdll: Fix the various structures returned by NtQuerySystemInformation for 64-bit.

This commit is contained in:
Alexandre Julliard 2009-01-03 14:54:11 +01:00
parent 3cbf55cc1e
commit 6a548b1e9d
7 changed files with 118 additions and 115 deletions

View File

@ -98,10 +98,9 @@ static BOOL fetch_processes_info(struct dump_context* dc)
dc->spi = dc->pcs_buffer;
for (;;)
{
if (dc->spi->dwProcessID == dc->pid) return TRUE;
if (!dc->spi->dwOffset) break;
dc->spi = (SYSTEM_PROCESS_INFORMATION*)
((char*)dc->spi + dc->spi->dwOffset);
if (HandleToUlong(dc->spi->UniqueProcessId) == dc->pid) return TRUE;
if (!dc->spi->NextEntryOffset) break;
dc->spi = (SYSTEM_PROCESS_INFORMATION*)((char*)dc->spi + dc->spi->NextEntryOffset);
}
}
HeapFree(GetProcessHeap(), 0, dc->pcs_buffer);
@ -179,13 +178,13 @@ static BOOL fetch_thread_info(struct dump_context* dc, int thd_idx,
const MINIDUMP_EXCEPTION_INFORMATION* except,
MINIDUMP_THREAD* mdThd, CONTEXT* ctx)
{
DWORD tid = dc->spi->ti[thd_idx].dwThreadID;
DWORD tid = HandleToUlong(dc->spi->ti[thd_idx].ClientId.UniqueThread);
HANDLE hThread;
THREAD_BASIC_INFORMATION tbi;
memset(ctx, 0, sizeof(*ctx));
mdThd->ThreadId = dc->spi->ti[thd_idx].dwThreadID;
mdThd->ThreadId = tid;
mdThd->SuspendCount = 0;
mdThd->Teb = 0;
mdThd->Stack.StartOfMemoryRange = 0;
@ -198,8 +197,7 @@ static BOOL fetch_thread_info(struct dump_context* dc, int thd_idx,
if ((hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, tid)) == NULL)
{
FIXME("Couldn't open thread %u (%u)\n",
dc->spi->ti[thd_idx].dwThreadID, GetLastError());
FIXME("Couldn't open thread %u (%u)\n", tid, GetLastError());
return FALSE;
}
@ -713,7 +711,7 @@ static unsigned dump_threads(struct dump_context* dc,
cbin.ProcessId = dc->pid;
cbin.ProcessHandle = dc->hProcess;
cbin.CallbackType = ThreadCallback;
cbin.u.Thread.ThreadId = dc->spi->ti[i].dwThreadID;
cbin.u.Thread.ThreadId = HandleToUlong(dc->spi->ti[i].ClientId.UniqueThread);
cbin.u.Thread.ThreadHandle = 0; /* FIXME */
cbin.u.Thread.Context = ctx;
cbin.u.Thread.SizeOfContext = sizeof(CONTEXT);

View File

@ -202,7 +202,7 @@ static BOOL fetch_process_thread( DWORD flags, SYSTEM_PROCESS_INFORMATION** pspi
spi = (SYSTEM_PROCESS_INFORMATION*)((char*)spi + offset);
if (flags & TH32CS_SNAPPROCESS) (*num_pcs)++;
if (flags & TH32CS_SNAPTHREAD) *num_thd += spi->dwThreadCount;
} while ((offset = spi->dwOffset));
} while ((offset = spi->NextEntryOffset));
return TRUE;
case STATUS_INFO_LENGTH_MISMATCH:
*pspi = HeapReAlloc( GetProcessHeap(), 0, *pspi, size *= 2 );
@ -234,18 +234,18 @@ static void fill_process( struct snapshot* snap, ULONG* offset,
pcs_entry->dwSize = sizeof(PROCESSENTRY32W);
pcs_entry->cntUsage = 0; /* MSDN says no longer used, always 0 */
pcs_entry->th32ProcessID = spi->dwProcessID;
pcs_entry->th32ProcessID = HandleToUlong(spi->UniqueProcessId);
pcs_entry->th32DefaultHeapID = 0; /* MSDN says no longer used, always 0 */
pcs_entry->th32ModuleID = 0; /* MSDN says no longer used, always 0 */
pcs_entry->cntThreads = spi->dwThreadCount;
pcs_entry->th32ParentProcessID = spi->dwParentProcessID;
pcs_entry->th32ParentProcessID = HandleToUlong(spi->ParentProcessId);
pcs_entry->pcPriClassBase = spi->dwBasePriority;
pcs_entry->dwFlags = 0; /* MSDN says no longer used, always 0 */
l = min(spi->ProcessName.Length, sizeof(pcs_entry->szExeFile) - sizeof(WCHAR));
memcpy(pcs_entry->szExeFile, spi->ProcessName.Buffer, l);
pcs_entry->szExeFile[l / sizeof(WCHAR)] = '\0';
pcs_entry++;
} while ((poff = spi->dwOffset));
} while ((poff = spi->NextEntryOffset));
*offset += num * sizeof(PROCESSENTRY32W);
}
@ -274,8 +274,8 @@ static void fill_thread( struct snapshot* snap, ULONG* offset, LPVOID info, ULON
{
thd_entry->dwSize = sizeof(THREADENTRY32);
thd_entry->cntUsage = 0; /* MSDN says no longer used, always 0 */
thd_entry->th32ThreadID = sti->dwThreadID;
thd_entry->th32OwnerProcessID = sti->dwOwningPID;
thd_entry->th32ThreadID = HandleToUlong(sti->ClientId.UniqueThread);
thd_entry->th32OwnerProcessID = HandleToUlong(sti->ClientId.UniqueProcess);
thd_entry->tpBasePri = sti->dwBasePriority;
thd_entry->tpDeltaPri = 0; /* MSDN says no longer used, always 0 */
thd_entry->dwFlags = 0; /* MSDN says no longer used, always 0" */
@ -283,7 +283,7 @@ static void fill_thread( struct snapshot* snap, ULONG* offset, LPVOID info, ULON
sti++;
thd_entry++;
}
} while ((poff = spi->dwOffset));
} while ((poff = spi->NextEntryOffset));
*offset += num * sizeof(THREADENTRY32);
}

View File

@ -824,15 +824,15 @@ NTSTATUS WINAPI NtQuerySystemInformation(
memset(spi, 0, sizeof(*spi));
spi->dwOffset = procstructlen - wlen;
spi->NextEntryOffset = procstructlen - wlen;
spi->dwThreadCount = reply->threads;
/* spi->pszProcessName will be set later on */
spi->dwBasePriority = reply->priority;
spi->dwProcessID = (DWORD)reply->pid;
spi->dwParentProcessID = (DWORD)reply->ppid;
spi->dwHandleCount = reply->handles;
spi->UniqueProcessId = UlongToHandle(reply->pid);
spi->ParentProcessId = UlongToHandle(reply->ppid);
spi->HandleCount = reply->handles;
/* spi->ti will be set later on */
@ -863,7 +863,7 @@ NTSTATUS WINAPI NtQuerySystemInformation(
if (!(ret = wine_server_call( req )))
{
j++;
if (reply->pid == spi->dwProcessID)
if (UlongToHandle(reply->pid) == spi->UniqueProcessId)
{
/* ftKernelTime, ftUserTime, ftCreateTime;
* dwTickCount, dwStartAddress
@ -871,8 +871,9 @@ NTSTATUS WINAPI NtQuerySystemInformation(
memset(&spi->ti[i], 0, sizeof(spi->ti));
spi->ti[i].dwOwningPID = reply->pid;
spi->ti[i].dwThreadID = reply->tid;
spi->ti[i].CreateTime.QuadPart = 0xdeadbeef;
spi->ti[i].ClientId.UniqueProcess = UlongToHandle(reply->pid);
spi->ti[i].ClientId.UniqueThread = UlongToHandle(reply->tid);
spi->ti[i].dwCurrentPriority = reply->base_pri + reply->delta_pri;
spi->ti[i].dwBasePriority = reply->base_pri;
i++;
@ -884,17 +885,17 @@ NTSTATUS WINAPI NtQuerySystemInformation(
if (ret == STATUS_NO_MORE_FILES) ret = STATUS_SUCCESS;
/* now append process name */
spi->ProcessName.Buffer = (WCHAR*)((char*)spi + spi->dwOffset);
spi->ProcessName.Buffer = (WCHAR*)((char*)spi + spi->NextEntryOffset);
spi->ProcessName.Length = wlen - sizeof(WCHAR);
spi->ProcessName.MaximumLength = wlen;
memcpy( spi->ProcessName.Buffer, exename, wlen );
spi->dwOffset += wlen;
spi->NextEntryOffset += wlen;
last = spi;
spi = (SYSTEM_PROCESS_INFORMATION*)((char*)spi + spi->dwOffset);
spi = (SYSTEM_PROCESS_INFORMATION*)((char*)spi + spi->NextEntryOffset);
}
}
if (ret == STATUS_SUCCESS && last) last->dwOffset = 0;
if (ret == STATUS_SUCCESS && last) last->NextEntryOffset = 0;
if (hSnap) NtClose(hSnap);
}
break;

View File

@ -212,7 +212,8 @@ NTSTATUS WINAPI NtQueryInformationProcess(
{
VM_COUNTERS pvmi;
if (ProcessInformationLength >= sizeof(VM_COUNTERS))
/* older Windows versions don't have the PrivatePageCount field */
if (ProcessInformationLength >= FIELD_OFFSET(VM_COUNTERS,PrivatePageCount))
{
if (!ProcessInformation)
ret = STATUS_ACCESS_VIOLATION;
@ -223,12 +224,14 @@ NTSTATUS WINAPI NtQueryInformationProcess(
/* FIXME : real data */
memset(&pvmi, 0 , sizeof(VM_COUNTERS));
memcpy(ProcessInformation, &pvmi, sizeof(VM_COUNTERS));
len = ProcessInformationLength;
if (len != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount)) len = sizeof(VM_COUNTERS);
len = sizeof(VM_COUNTERS);
memcpy(ProcessInformation, &pvmi, min(ProcessInformationLength,sizeof(VM_COUNTERS)));
}
if (ProcessInformationLength > sizeof(VM_COUNTERS))
if (ProcessInformationLength != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount) &&
ProcessInformationLength != sizeof(VM_COUNTERS))
ret = STATUS_INFO_LENGTH_MISMATCH;
}
else ret = STATUS_INFO_LENGTH_MISMATCH;

View File

@ -227,7 +227,7 @@ static void test_query_process(void)
/* Copy of our winternl.h structure turned into a private one */
typedef struct _SYSTEM_PROCESS_INFORMATION_PRIVATE {
DWORD dwOffset;
ULONG NextEntryOffset;
DWORD dwThreadCount;
DWORD dwUnknown1[6];
FILETIME ftCreationTime;
@ -235,9 +235,9 @@ static void test_query_process(void)
FILETIME ftKernelTime;
UNICODE_STRING ProcessName;
DWORD dwBasePriority;
DWORD dwProcessID;
DWORD dwParentProcessID;
DWORD dwHandleCount;
HANDLE UniqueProcessId;
HANDLE ParentProcessId;
ULONG HandleCount;
DWORD dwUnknown3;
DWORD dwUnknown4;
VM_COUNTERS vmCounters;
@ -261,15 +261,15 @@ static void test_query_process(void)
ok( status == STATUS_SUCCESS, "Expected STATUS_SUCCESS, got %08x\n", status);
spi = spi_buf;
/* Get the first dwOffset, from this we can deduce the OS version we're running
/* Get the first NextEntryOffset, from this we can deduce the OS version we're running
*
* W2K/WinXP/W2K3:
* dwOffset for a process is 184 + (no. of threads) * sizeof(SYSTEM_THREAD_INFORMATION)
* NextEntryOffset for a process is 184 + (no. of threads) * sizeof(SYSTEM_THREAD_INFORMATION)
* NT:
* dwOffset for a process is 136 + (no. of threads) * sizeof(SYSTEM_THREAD_INFORMATION)
* NextEntryOffset for a process is 136 + (no. of threads) * sizeof(SYSTEM_THREAD_INFORMATION)
* Wine (with every windows version):
* dwOffset for a process is 0 if just this test is running
* dwOffset for a process is 184 + (no. of threads) * sizeof(SYSTEM_THREAD_INFORMATION) +
* NextEntryOffset for a process is 0 if just this test is running
* NextEntryOffset for a process is 184 + (no. of threads) * sizeof(SYSTEM_THREAD_INFORMATION) +
* ProcessName.MaximumLength
* if more wine processes are running
*
@ -278,7 +278,7 @@ static void test_query_process(void)
pNtQuerySystemInformation(SystemBasicInformation, &sbi, sizeof(sbi), &ReturnLength);
is_nt = ( spi->dwOffset - (sbi.NumberOfProcessors * sizeof(SYSTEM_THREAD_INFORMATION)) == 136);
is_nt = ( spi->NextEntryOffset - (sbi.NumberOfProcessors * sizeof(SYSTEM_THREAD_INFORMATION)) == 136);
if (is_nt) skip("Windows version is NT, we will skip thread tests\n");
@ -294,7 +294,7 @@ static void test_query_process(void)
{
i++;
last_pid = spi->dwProcessID;
last_pid = (DWORD_PTR)spi->UniqueProcessId;
ok( spi->dwThreadCount > 0, "Expected some threads for this process, got 0\n");
@ -306,17 +306,17 @@ static void test_query_process(void)
for ( j = 0; j < spi->dwThreadCount; j++)
{
k++;
ok ( spi->ti[j].dwOwningPID == spi->dwProcessID,
"The owning pid of the thread (%d) doesn't equal the pid (%d) of the process\n",
spi->ti[j].dwOwningPID, spi->dwProcessID);
ok ( spi->ti[j].ClientId.UniqueProcess == spi->UniqueProcessId,
"The owning pid of the thread (%p) doesn't equal the pid (%p) of the process\n",
spi->ti[j].ClientId.UniqueProcess, spi->UniqueProcessId);
}
}
if (!spi->dwOffset) break;
if (!spi->NextEntryOffset) break;
one_before_last_pid = last_pid;
spi = (SYSTEM_PROCESS_INFORMATION_PRIVATE*)((char*)spi + spi->dwOffset);
spi = (SYSTEM_PROCESS_INFORMATION_PRIVATE*)((char*)spi + spi->NextEntryOffset);
}
trace("Total number of running processes : %d\n", i);
if (!is_nt) trace("Total number of running threads : %d\n", k);
@ -545,12 +545,12 @@ static void test_query_process_basic(void)
ULONG ReturnLength;
typedef struct _PROCESS_BASIC_INFORMATION_PRIVATE {
DWORD ExitStatus;
DWORD PebBaseAddress;
DWORD AffinityMask;
DWORD BasePriority;
ULONG UniqueProcessId;
ULONG InheritedFromUniqueProcessId;
DWORD_PTR ExitStatus;
PPEB PebBaseAddress;
DWORD_PTR AffinityMask;
DWORD_PTR BasePriority;
ULONG_PTR UniqueProcessId;
ULONG_PTR InheritedFromUniqueProcessId;
} PROCESS_BASIC_INFORMATION_PRIVATE, *PPROCESS_BASIC_INFORMATION_PRIVATE;
PROCESS_BASIC_INFORMATION_PRIVATE pbi;
@ -604,7 +604,7 @@ static void test_query_process_basic(void)
ok( sizeof(pbi) == ReturnLength, "Inconsistent length %d\n", ReturnLength);
/* Check if we have some return values */
trace("ProcessID : %d\n", pbi.UniqueProcessId);
trace("ProcessID : %lx\n", pbi.UniqueProcessId);
ok( pbi.UniqueProcessId > 0, "Expected a ProcessID > 0, got 0\n");
}
@ -613,30 +613,30 @@ static void test_query_process_vm(void)
NTSTATUS status;
ULONG ReturnLength;
VM_COUNTERS pvi;
ULONG old_size = FIELD_OFFSET(VM_COUNTERS,PrivatePageCount);
status = pNtQueryInformationProcess(NULL, ProcessVmCounters, NULL, sizeof(pvi), NULL);
ok( status == STATUS_ACCESS_VIOLATION || status == STATUS_INVALID_HANDLE,
"Expected STATUS_ACCESS_VIOLATION or STATUS_INVALID_HANDLE(W2K3), got %08x\n", status);
status = pNtQueryInformationProcess(NULL, ProcessVmCounters, &pvi, sizeof(pvi), NULL);
status = pNtQueryInformationProcess(NULL, ProcessVmCounters, &pvi, old_size, NULL);
ok( status == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got %08x\n", status);
/* Windows XP and W2K3 will report success for a size of 44 AND 48 !
Windows W2K will only report success for 44.
For now we only care for 44, which is sizeof(VM_COUNTERS)
If an app depends on it, we have to implement this in ntdll/process.c
For now we only care for 44, which is FIELD_OFFSET(VM_COUNTERS,PrivatePageCount))
*/
status = pNtQueryInformationProcess( GetCurrentProcess(), ProcessVmCounters, &pvi, 24, &ReturnLength);
ok( status == STATUS_INFO_LENGTH_MISMATCH, "Expected STATUS_INFO_LENGTH_MISMATCH, got %08x\n", status);
status = pNtQueryInformationProcess( GetCurrentProcess(), ProcessVmCounters, &pvi, sizeof(pvi), &ReturnLength);
status = pNtQueryInformationProcess( GetCurrentProcess(), ProcessVmCounters, &pvi, old_size, &ReturnLength);
ok( status == STATUS_SUCCESS, "Expected STATUS_SUCCESS, got %08x\n", status);
ok( sizeof(pvi) == ReturnLength, "Inconsistent length %d\n", ReturnLength);
ok( old_size == ReturnLength, "Inconsistent length %d\n", ReturnLength);
status = pNtQueryInformationProcess( GetCurrentProcess(), ProcessVmCounters, &pvi, 46, &ReturnLength);
ok( status == STATUS_INFO_LENGTH_MISMATCH, "Expected STATUS_INFO_LENGTH_MISMATCH, got %08x\n", status);
ok( sizeof(pvi) == ReturnLength, "Inconsistent length %d\n", ReturnLength);
ok( ReturnLength == old_size || ReturnLength == sizeof(pvi), "Inconsistent length %d\n", ReturnLength);
/* Check if we have some return values */
trace("WorkingSetSize : %ld\n", pvi.WorkingSetSize);

View File

@ -222,13 +222,13 @@ BOOL WINAPI EnumProcesses(DWORD *lpdwProcessIDs, DWORD cb, DWORD *lpcbUsed)
for (*lpcbUsed = 0; cb >= sizeof(DWORD); cb -= sizeof(DWORD))
{
*lpdwProcessIDs++ = spi->dwProcessID;
*lpdwProcessIDs++ = HandleToUlong(spi->UniqueProcessId);
*lpcbUsed += sizeof(DWORD);
if (spi->dwOffset == 0)
if (spi->NextEntryOffset == 0)
break;
spi = (SYSTEM_PROCESS_INFORMATION *)(((PCHAR)spi) + spi->dwOffset);
spi = (SYSTEM_PROCESS_INFORMATION *)(((PCHAR)spi) + spi->NextEntryOffset);
}
HeapFree(GetProcessHeap(), 0, pBuf);

View File

@ -1000,20 +1000,20 @@ PVOID WINAPI RtlVirtualUnwind(ULONG,ULONG64,ULONG64,RUNTIME_FUNCTION*,CONTEXT*,P
*/
/* This is used by NtQuerySystemInformation */
typedef struct _SYSTEM_THREAD_INFORMATION{
FILETIME ftKernelTime;
FILETIME ftUserTime;
FILETIME ftCreateTime;
DWORD dwTickCount;
DWORD dwStartAddress;
DWORD dwOwningPID;
DWORD dwThreadID;
DWORD dwCurrentPriority;
DWORD dwBasePriority;
DWORD dwContextSwitches;
DWORD dwThreadState;
DWORD dwWaitReason;
DWORD dwUnknown;
typedef struct _SYSTEM_THREAD_INFORMATION
{ /* win32/win64 */
LARGE_INTEGER KernelTime; /* 00/00 */
LARGE_INTEGER UserTime; /* 08/08 */
LARGE_INTEGER CreateTime; /* 10/10 */
DWORD dwTickCount; /* 18/18 */
LPVOID StartAddress; /* 1c/20 */
CLIENT_ID ClientId; /* 20/28 */
DWORD dwCurrentPriority; /* 28/38 */
DWORD dwBasePriority; /* 2c/3c */
DWORD dwContextSwitches; /* 30/40 */
DWORD dwThreadState; /* 34/44 */
DWORD dwWaitReason; /* 38/48 */
DWORD dwUnknown; /* 3c/4c */
} SYSTEM_THREAD_INFORMATION, *PSYSTEM_THREAD_INFORMATION;
typedef struct _IO_STATUS_BLOCK {
@ -1353,38 +1353,39 @@ typedef struct _VM_COUNTERS_ {
SIZE_T QuotaNonPagedPoolUsage;
SIZE_T PagefileUsage;
SIZE_T PeakPagefileUsage;
SIZE_T PrivatePageCount;
} VM_COUNTERS, *PVM_COUNTERS;
typedef struct _SYSTEM_PROCESS_INFORMATION {
#ifdef __WINESRC__
DWORD dwOffset;
DWORD dwThreadCount;
DWORD dwUnknown1[6];
FILETIME ftCreationTime;
FILETIME ftUserTime;
FILETIME ftKernelTime;
UNICODE_STRING ProcessName;
DWORD dwBasePriority;
DWORD dwProcessID;
DWORD dwParentProcessID;
DWORD dwHandleCount;
DWORD dwUnknown3;
DWORD dwUnknown4;
VM_COUNTERS vmCounters;
IO_COUNTERS ioCounters;
SYSTEM_THREAD_INFORMATION ti[1];
#ifdef __WINESRC__ /* win32/win64 */
ULONG NextEntryOffset; /* 00/00 */
DWORD dwThreadCount; /* 04/04 */
DWORD dwUnknown1[6]; /* 08/08 */
LARGE_INTEGER CreationTime; /* 20/20 */
LARGE_INTEGER UserTime; /* 28/28 */
LARGE_INTEGER KernelTime; /* 30/30 */
UNICODE_STRING ProcessName; /* 38/38 */
DWORD dwBasePriority; /* 40/48 */
HANDLE UniqueProcessId; /* 44/50 */
HANDLE ParentProcessId; /* 48/58 */
ULONG HandleCount; /* 4c/60 */
DWORD dwUnknown3; /* 50/64 */
DWORD dwUnknown4; /* 54/68 */
VM_COUNTERS vmCounters; /* 58/70 */
IO_COUNTERS ioCounters; /* 88/d0 */
SYSTEM_THREAD_INFORMATION ti[1]; /* b8/100 */
#else
ULONG NextEntryOffset;
BYTE Reserved1[52];
PVOID Reserved2[3];
HANDLE UniqueProcessId;
PVOID Reserved3;
ULONG HandleCount;
BYTE Reserved4[4];
PVOID Reserved5[11];
SIZE_T PeakPagefileUsage;
SIZE_T PrivatePageCount;
LARGE_INTEGER Reserved6[6];
ULONG NextEntryOffset; /* 00/00 */
BYTE Reserved1[52]; /* 04/04 */
PVOID Reserved2[3]; /* 38/38 */
HANDLE UniqueProcessId; /* 44/50 */
PVOID Reserved3; /* 48/58 */
ULONG HandleCount; /* 4c/60 */
BYTE Reserved4[4]; /* 50/64 */
PVOID Reserved5[11]; /* 54/68 */
SIZE_T PeakPagefileUsage; /* 80/c0 */
SIZE_T PrivatePageCount; /* 84/c8 */
LARGE_INTEGER Reserved6[6]; /* 88/d0 */
#endif
} SYSTEM_PROCESS_INFORMATION, *PSYSTEM_PROCESS_INFORMATION;
@ -1936,16 +1937,16 @@ typedef struct _LDR_MODULE
typedef struct _SYSTEM_MODULE
{
ULONG Reserved1;
ULONG Reserved2;
PVOID ImageBaseAddress;
ULONG ImageSize;
ULONG Flags;
WORD Id;
WORD Rank;
WORD Unknown;
WORD NameOffset;
BYTE Name[MAXIMUM_FILENAME_LENGTH];
PVOID Reserved1; /* 00/00 */
PVOID Reserved2; /* 04/08 */
PVOID ImageBaseAddress; /* 08/10 */
ULONG ImageSize; /* 0c/18 */
ULONG Flags; /* 10/1c */
WORD Id; /* 14/20 */
WORD Rank; /* 16/22 */
WORD Unknown; /* 18/24 */
WORD NameOffset; /* 1a/26 */
BYTE Name[MAXIMUM_FILENAME_LENGTH]; /* 1c/28 */
} SYSTEM_MODULE, *PSYSTEM_MODULE;
typedef struct _SYSTEM_MODULE_INFORMATION