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MmQuerySectionView now returns correct AllocationBase (Hartmut Birr)

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svn path=/trunk/; revision=9269
This commit is contained in:
Mike Nordell 2004-05-01 17:11:34 +00:00
parent 9e1f523308
commit 86805ab86a
1 changed files with 32 additions and 8 deletions
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40
reactos/ntoskrnl/mm/section.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: section.c,v 1.148 2004/05/01 00:25:41 tamlin Exp $
/* $Id: section.c,v 1.149 2004/05/01 17:11:34 tamlin Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/section.c
@ -2018,6 +2018,10 @@ MmQuerySectionView(PMEMORY_AREA MemoryArea,
{
PMM_REGION Region;
PVOID RegionBaseAddress;
PSECTION_OBJECT Section;
PLIST_ENTRY CurrentEntry;
PMEMORY_AREA CurrentMArea;
KIRQL oldIrql;
Region = MmFindRegion(MemoryArea->BaseAddress,
&MemoryArea->Data.SectionData.RegionListHead,
@ -2026,20 +2030,40 @@ MmQuerySectionView(PMEMORY_AREA MemoryArea,
{
return STATUS_UNSUCCESSFUL;
}
Info->BaseAddress = (PVOID)PAGE_ROUND_DOWN(Address);
Info->AllocationBase = MemoryArea->BaseAddress;
Info->AllocationProtect = MemoryArea->Attributes;
Info->RegionSize = MemoryArea->Length;
Info->State = MEM_COMMIT;
Info->Protect = Region->Protect;
if (MemoryArea->Data.SectionData.Section->AllocationAttributes & SEC_IMAGE)
Section = MemoryArea->Data.SectionData.Section;
if (Section->AllocationAttributes & SEC_IMAGE)
{
KeAcquireSpinLock(&Section->ViewListLock, &oldIrql);
CurrentEntry = Section->ViewListHead.Flink;
Info->AllocationBase = NULL;
while (CurrentEntry != &Section->ViewListHead)
{
CurrentMArea = CONTAINING_RECORD(CurrentEntry, MEMORY_AREA, Data.SectionData.ViewListEntry);
CurrentEntry = CurrentEntry->Flink;
if (Info->AllocationBase == NULL)
{
Info->AllocationBase = CurrentMArea->BaseAddress;
}
else if (CurrentMArea->BaseAddress < Info->AllocationBase)
{
Info->AllocationBase = CurrentMArea->BaseAddress;
}
}
KeReleaseSpinLock(&Section->ViewListLock, oldIrql);
Info->BaseAddress = MemoryArea->BaseAddress;
Info->AllocationProtect = MemoryArea->Attributes;
Info->Type = MEM_IMAGE;
}
else
{
Info->BaseAddress = RegionBaseAddress;
Info->AllocationBase = MemoryArea->BaseAddress;
Info->AllocationProtect = Region->Protect;
Info->Type = MEM_MAPPED;
}
Info->RegionSize = MemoryArea->Length;
Info->State = MEM_COMMIT;
Info->Protect = Region->Protect;
*ResultLength = sizeof(MEMORY_BASIC_INFORMATION);
return(STATUS_SUCCESS);