Ros-diffs February 2021

ros-diffs@reactos.org

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[reactos] 17/100: [NTOSKRNL/MM] Fix a few wine tests

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c3bd70cfd15772877629f… commit c3bd70cfd15772877629fd53df547402cde572f6 Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Mon Oct 26 12:19:18 2020 +0100 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL/MM] Fix a few wine tests --- ntoskrnl/mm/section.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index 5dd758f865d..f65c5c1ff64 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -4302,13 +4302,22 @@ NtQuerySection( if (Section->u.Flags.Image) { - Sbi.BaseAddress = 0; - Sbi.Size.QuadPart = 0; + if (MiIsRosSectionObject(Section)) + { + PMM_IMAGE_SECTION_OBJECT ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); + Sbi.BaseAddress = 0; + Sbi.Size.QuadPart = ImageSectionObject->ImageInformation.ImageFileSize; + } + else + { + /* Not supported yet */ + ASSERT(FALSE); + } } else if (MiIsRosSectionObject(Section)) { Sbi.BaseAddress = (PVOID)((PMM_SECTION_SEGMENT)Section->Segment)->Image.VirtualAddress; - Sbi.Size.QuadPart = ((PMM_SECTION_SEGMENT)Section->Segment)->Length.QuadPart; + Sbi.Size.QuadPart = ((PMM_SECTION_SEGMENT)Section->Segment)->RawLength.QuadPart; } else {

3 years, 10 months

[reactos] 16/100: [NTOSKRNL/MM] Reduce use of MiIsRosSectionObject

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=4abda863ce273a58ddcd9… commit 4abda863ce273a58ddcd97ecf48ab142b2b11c63 Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Mon Oct 26 11:23:42 2020 +0100 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL/MM] Reduce use of MiIsRosSectionObject --- ntoskrnl/mm/ARM3/section.c | 5 +- ntoskrnl/mm/section.c | 157 ++++++++++++++++++--------------------------- 2 files changed, 64 insertions(+), 98 deletions(-) diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index 73c0e3050aa..511f11a5101 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -3716,7 +3716,7 @@ NtMapViewOfSection(IN HANDLE SectionHandle, return Status; } - if (MiIsRosSectionObject(Section) && Section->u.Flags.PhysicalMemory) + if (Section->u.Flags.PhysicalMemory) { if (PreviousMode == UserMode && SafeSectionOffset.QuadPart + SafeViewSize > MmHighestPhysicalPage << PAGE_SHIFT) @@ -3764,8 +3764,7 @@ NtMapViewOfSection(IN HANDLE SectionHandle, if (NT_SUCCESS(Status)) { /* Check if this is an image for the current process */ - if (MiIsRosSectionObject(Section) && - (Section->u.Flags.Image) && + if ((Section->u.Flags.Image) && (Process == PsGetCurrentProcess()) && (Status != STATUS_IMAGE_NOT_AT_BASE)) { diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index f43811e9f50..5dd758f865d 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -4279,131 +4279,98 @@ NtQuerySection( return Status; } - if (MiIsRosSectionObject(Section)) + switch(SectionInformationClass) { - switch (SectionInformationClass) + case SectionBasicInformation: { - case SectionBasicInformation: - { - PSECTION_BASIC_INFORMATION Sbi = (PSECTION_BASIC_INFORMATION)SectionInformation; + SECTION_BASIC_INFORMATION Sbi; - _SEH2_TRY - { - Sbi->Attributes = 0; - if (Section->u.Flags.Image) - Sbi->Attributes |= SEC_IMAGE; - if (Section->u.Flags.File) - Sbi->Attributes |= SEC_FILE; - if (Section->u.Flags.NoChange) - Sbi->Attributes |= SEC_NO_CHANGE; - - if (Section->u.Flags.Image) - { - Sbi->BaseAddress = 0; - Sbi->Size.QuadPart = 0; - } - else - { - Sbi->BaseAddress = (PVOID)((PMM_SECTION_SEGMENT)Section->Segment)->Image.VirtualAddress; - Sbi->Size.QuadPart = ((PMM_SECTION_SEGMENT)Section->Segment)->Length.QuadPart; - } + Sbi.Size = Section->SizeOfSection; + Sbi.BaseAddress = (PVOID)Section->Address.StartingVpn; - if (ResultLength != NULL) - { - *ResultLength = sizeof(SECTION_BASIC_INFORMATION); - } - Status = STATUS_SUCCESS; - } - _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) - { - Status = _SEH2_GetExceptionCode(); - } - _SEH2_END; + Sbi.Attributes = 0; + if (Section->u.Flags.Commit) + Sbi.Attributes |= SEC_COMMIT; + if (Section->u.Flags.Reserve) + Sbi.Attributes |= SEC_RESERVE; + if (Section->u.Flags.File) + Sbi.Attributes |= SEC_FILE; + if (Section->u.Flags.Image) + Sbi.Attributes |= SEC_IMAGE; - break; + /* FIXME : Complete/test the list of flags passed back from NtCreateSection */ + + if (Section->u.Flags.Image) + { + Sbi.BaseAddress = 0; + Sbi.Size.QuadPart = 0; + } + else if (MiIsRosSectionObject(Section)) + { + Sbi.BaseAddress = (PVOID)((PMM_SECTION_SEGMENT)Section->Segment)->Image.VirtualAddress; + Sbi.Size.QuadPart = ((PMM_SECTION_SEGMENT)Section->Segment)->Length.QuadPart; + } + else + { + DPRINT1("Unimplemented code path!"); } - case SectionImageInformation: + _SEH2_TRY + { + *((SECTION_BASIC_INFORMATION*)SectionInformation) = Sbi; + if (ResultLength) + *ResultLength = sizeof(Sbi); + } + _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) + { + Status = _SEH2_GetExceptionCode(); + } + _SEH2_END; + break; + } + case SectionImageInformation: + { + if (!Section->u.Flags.Image) { - PSECTION_IMAGE_INFORMATION Sii = (PSECTION_IMAGE_INFORMATION)SectionInformation; + Status = STATUS_SECTION_NOT_IMAGE; + } + else if (MiIsRosSectionObject(Section)) + { + PMM_IMAGE_SECTION_OBJECT ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); _SEH2_TRY { - if (Section->u.Flags.Image) - { - PMM_IMAGE_SECTION_OBJECT ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); - - *Sii = ImageSectionObject->ImageInformation; - } - + PSECTION_IMAGE_INFORMATION Sii = (PSECTION_IMAGE_INFORMATION)SectionInformation; + *Sii = ImageSectionObject->ImageInformation; if (ResultLength != NULL) - { - *ResultLength = sizeof(SECTION_IMAGE_INFORMATION); - } - Status = STATUS_SUCCESS; + *ResultLength = sizeof(*Sii); } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { Status = _SEH2_GetExceptionCode(); } _SEH2_END; - - break; } - } - } - else - { - switch(SectionInformationClass) - { - case SectionBasicInformation: + else { - SECTION_BASIC_INFORMATION Sbi; - - Sbi.Size = Section->SizeOfSection; - Sbi.BaseAddress = (PVOID)Section->Address.StartingVpn; - - Sbi.Attributes = 0; - if (Section->u.Flags.Image) - Sbi.Attributes |= SEC_IMAGE; - if (Section->u.Flags.Commit) - Sbi.Attributes |= SEC_COMMIT; - if (Section->u.Flags.Reserve) - Sbi.Attributes |= SEC_RESERVE; - if (Section->u.Flags.File) - Sbi.Attributes |= SEC_FILE; - if (Section->u.Flags.Image) - Sbi.Attributes |= SEC_IMAGE; - - /* FIXME : Complete/test the list of flags passed back from NtCreateSection */ - _SEH2_TRY { - *((SECTION_BASIC_INFORMATION*)SectionInformation) = Sbi; - if (ResultLength) - *ResultLength = sizeof(Sbi); + PSECTION_IMAGE_INFORMATION Sii = (PSECTION_IMAGE_INFORMATION)SectionInformation; + *Sii = *Section->Segment->u2.ImageInformation; + if (ResultLength != NULL) + *ResultLength = sizeof(*Sii); } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { Status = _SEH2_GetExceptionCode(); } _SEH2_END; - break; - } - case SectionImageInformation: - { - if (!Section->u.Flags.Image) - { - Status = STATUS_SECTION_NOT_IMAGE; - } - else - { - /* Currently not supported */ - ASSERT(FALSE); - } - break; } + break; } + default: + DPRINT1("Unknown SectionInformationClass: %d\n", SectionInformationClass); + Status = STATUS_NOT_SUPPORTED; } ObDereferenceObject(Section);

3 years, 10 months

[reactos] 15/100: [NTOSKRNL] Get rid of MM_ROS_SECTION_OBJECT

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=b7d988ae5b4948b0ab4be… commit b7d988ae5b4948b0ab4be8a094c3b5536fdd187c Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Mon Oct 26 10:31:46 2020 +0100 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Get rid of MM_ROS_SECTION_OBJECT --- ntoskrnl/cache/newcc.h | 2 +- ntoskrnl/cache/section/newmm.h | 4 +-- ntoskrnl/include/internal/mm.h | 7 +--- ntoskrnl/mm/ARM3/section.c | 10 ++---- ntoskrnl/mm/section.c | 74 ++++++++++++++++++++---------------------- 5 files changed, 43 insertions(+), 54 deletions(-) diff --git a/ntoskrnl/cache/newcc.h b/ntoskrnl/cache/newcc.h index adbf1c5d926..8768d7aebd2 100644 --- a/ntoskrnl/cache/newcc.h +++ b/ntoskrnl/cache/newcc.h @@ -6,7 +6,7 @@ typedef struct _NOCC_BCB PUBLIC_BCB Bcb; struct _NOCC_CACHE_MAP *Map; - PROS_SECTION_OBJECT SectionObject; + PSECTION SectionObject; LARGE_INTEGER FileOffset; ULONG Length; PVOID BaseAddress; diff --git a/ntoskrnl/cache/section/newmm.h b/ntoskrnl/cache/section/newmm.h index d5f9998993c..edff99f3d85 100644 --- a/ntoskrnl/cache/section/newmm.h +++ b/ntoskrnl/cache/section/newmm.h @@ -96,7 +96,7 @@ typedef struct _MM_REQUIRED_RESOURCES NTSTATUS NTAPI -MmCreateCacheSection(PROS_SECTION_OBJECT *SectionObject, +MmCreateCacheSection(PSECTION *SectionObject, ACCESS_MASK DesiredAccess, POBJECT_ATTRIBUTES ObjectAttributes, PLARGE_INTEGER UMaximumSize, @@ -386,7 +386,7 @@ MiSwapInSectionPage(PMMSUPPORT AddressSpace, NTSTATUS NTAPI -MmExtendCacheSection(PROS_SECTION_OBJECT Section, +MmExtendCacheSection(PSECTION Section, PLARGE_INTEGER NewSize, BOOLEAN ExtendFile); diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index 74cfcf7f11e..a8536c3d786 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -199,11 +199,6 @@ typedef struct _MM_IMAGE_SECTION_OBJECT PMM_SECTION_SEGMENT Segments; } MM_IMAGE_SECTION_OBJECT, *PMM_IMAGE_SECTION_OBJECT; -typedef struct _ROS_SECTION_OBJECT -{ - SECTION; -} ROS_SECTION_OBJECT, *PROS_SECTION_OBJECT; - #define MA_GetStartingAddress(_MemoryArea) ((_MemoryArea)->VadNode.StartingVpn << PAGE_SHIFT) #define MA_GetEndingAddress(_MemoryArea) (((_MemoryArea)->VadNode.EndingVpn + 1) << PAGE_SHIFT) @@ -219,7 +214,7 @@ typedef struct _MEMORY_AREA struct { - PROS_SECTION_OBJECT Section; + PSECTION Section; LARGE_INTEGER ViewOffset; PMM_SECTION_SEGMENT Segment; LIST_ENTRY RegionListHead; diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index a91cfe2ed4a..73c0e3050aa 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -1655,14 +1655,12 @@ MiGetFileObjectForSectionAddress( if (Vad->u.VadFlags.Spare != 0) { PMEMORY_AREA MemoryArea = (PMEMORY_AREA)Vad; - PROS_SECTION_OBJECT Section; /* Check if it's a section view (RosMm section) */ if (MemoryArea->Type == MEMORY_AREA_SECTION_VIEW) { /* Get the section pointer to the SECTION_OBJECT */ - Section = MemoryArea->SectionData.Section; - *FileObject = ((PMM_SECTION_SEGMENT)Section->Segment)->FileObject; + *FileObject = MemoryArea->SectionData.Segment->FileObject; } else { @@ -1732,14 +1730,12 @@ MiGetFileObjectForVad( if (Vad->u.VadFlags.Spare != 0) { PMEMORY_AREA MemoryArea = (PMEMORY_AREA)Vad; - PROS_SECTION_OBJECT Section; /* Check if it's a section view (RosMm section) */ if (MemoryArea->Type == MEMORY_AREA_SECTION_VIEW) { /* Get the section pointer to the SECTION_OBJECT */ - Section = MemoryArea->SectionData.Section; - FileObject = ((PMM_SECTION_SEGMENT)Section->Segment)->FileObject; + FileObject = MemoryArea->SectionData.Segment->FileObject; } else { @@ -3840,7 +3836,7 @@ NtExtendSection(IN HANDLE SectionHandle, IN OUT PLARGE_INTEGER NewMaximumSize) { LARGE_INTEGER SafeNewMaximumSize; - PROS_SECTION_OBJECT Section; + PSECTION Section; NTSTATUS Status; KPROCESSOR_MODE PreviousMode = ExGetPreviousMode(); diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index b975433e271..f43811e9f50 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -138,7 +138,7 @@ C_ASSERT(PEFMT_FIELDS_EQUAL(IMAGE_OPTIONAL_HEADER32, IMAGE_OPTIONAL_HEADER64, Si typedef struct { - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; LARGE_INTEGER Offset; BOOLEAN WasDirty; @@ -899,7 +899,7 @@ MmSharePageEntrySectionSegment(PMM_SECTION_SEGMENT Segment, BOOLEAN NTAPI -MmUnsharePageEntrySectionSegment(PROS_SECTION_OBJECT Section, +MmUnsharePageEntrySectionSegment(PSECTION Section, PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset, BOOLEAN Dirty, @@ -1389,7 +1389,7 @@ MmNotPresentFaultSectionView(PMMSUPPORT AddressSpace, LARGE_INTEGER Offset; PFN_NUMBER Page; NTSTATUS Status; - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; ULONG_PTR Entry; ULONG_PTR Entry1; @@ -1812,7 +1812,7 @@ MmAccessFaultSectionView(PMMSUPPORT AddressSpace, PVOID Address) { PMM_SECTION_SEGMENT Segment; - PROS_SECTION_OBJECT Section; + PSECTION Section; PFN_NUMBER OldPage; PFN_NUMBER NewPage; NTSTATUS Status; @@ -1955,7 +1955,7 @@ MmPageOutDeleteMapping(PVOID Context, PEPROCESS Process, PVOID Address) if (!PageOutContext->Private) { MmLockSectionSegment(PageOutContext->Segment); - MmUnsharePageEntrySectionSegment((PROS_SECTION_OBJECT)PageOutContext->Section, + MmUnsharePageEntrySectionSegment(PageOutContext->Section, PageOutContext->Segment, &PageOutContext->Offset, PageOutContext->WasDirty, @@ -2367,7 +2367,7 @@ MmWritePageSectionView(PMMSUPPORT AddressSpace, ULONG PageEntry) { LARGE_INTEGER Offset; - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; PFN_NUMBER Page; SWAPENTRY SwapEntry; @@ -2557,7 +2557,7 @@ MmQuerySectionView(PMEMORY_AREA MemoryArea, { PMM_REGION Region; PVOID RegionBaseAddress; - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; Region = MmFindRegion((PVOID)MA_GetStartingAddress(MemoryArea), @@ -2635,7 +2635,7 @@ MmpFreePageFileSegment(PMM_SECTION_SEGMENT Segment) VOID NTAPI MmpDeleteSection(PVOID ObjectBody) { - PROS_SECTION_OBJECT Section = ObjectBody; + PSECTION Section = ObjectBody; /* Check if it's an ARM3, or ReactOS section */ if (!MiIsRosSectionObject(Section)) @@ -2739,7 +2739,7 @@ NTSTATUS NTAPI MmCreatePhysicalMemorySection(VOID) { - PROS_SECTION_OBJECT PhysSection; + PSECTION PhysSection; NTSTATUS Status; OBJECT_ATTRIBUTES Obj; UNICODE_STRING Name = RTL_CONSTANT_STRING(L"\\Device\\PhysicalMemory"); @@ -2764,7 +2764,7 @@ MmCreatePhysicalMemorySection(VOID) &Obj, ExGetPreviousMode(), NULL, - sizeof(ROS_SECTION_OBJECT), + sizeof(*PhysSection), 0, 0, (PVOID*)&PhysSection); @@ -2777,7 +2777,7 @@ MmCreatePhysicalMemorySection(VOID) /* * Initialize it */ - RtlZeroMemory(PhysSection, sizeof(ROS_SECTION_OBJECT)); + RtlZeroMemory(PhysSection, sizeof(*PhysSection)); /* Mark this as a "ROS Section" */ PhysSection->u.Flags.filler = 1; @@ -2838,7 +2838,7 @@ MmInitSectionImplementation(VOID) RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer)); RtlInitUnicodeString(&Name, L"Section"); ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer); - ObjectTypeInitializer.DefaultPagedPoolCharge = sizeof(ROS_SECTION_OBJECT); + ObjectTypeInitializer.DefaultPagedPoolCharge = sizeof(SECTION); ObjectTypeInitializer.PoolType = PagedPool; ObjectTypeInitializer.UseDefaultObject = TRUE; ObjectTypeInitializer.GenericMapping = MmpSectionMapping; @@ -2855,7 +2855,7 @@ MmInitSectionImplementation(VOID) NTSTATUS NTAPI -MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, +MmCreateDataFileSection(PSECTION *SectionObject, ACCESS_MASK DesiredAccess, POBJECT_ATTRIBUTES ObjectAttributes, PLARGE_INTEGER UMaximumSize, @@ -2866,7 +2866,7 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, * Create a section backed by a data file */ { - PROS_SECTION_OBJECT Section; + PSECTION Section; NTSTATUS Status; LARGE_INTEGER MaximumSize; PMM_SECTION_SEGMENT Segment; @@ -2881,7 +2881,7 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, ObjectAttributes, ExGetPreviousMode(), NULL, - sizeof(ROS_SECTION_OBJECT), + sizeof(*Section), 0, 0, (PVOID*)&Section); @@ -2893,7 +2893,7 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, /* * Initialize it */ - RtlZeroMemory(Section, sizeof(ROS_SECTION_OBJECT)); + RtlZeroMemory(Section, sizeof(*Section)); /* Mark this as a "ROS" section */ Section->u.Flags.filler = 1; @@ -3682,7 +3682,7 @@ ExeFmtpCreateImageSection(PFILE_OBJECT FileObject, } NTSTATUS -MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, +MmCreateImageSection(PSECTION *SectionObject, ACCESS_MASK DesiredAccess, POBJECT_ATTRIBUTES ObjectAttributes, PLARGE_INTEGER UMaximumSize, @@ -3690,7 +3690,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, ULONG AllocationAttributes, PFILE_OBJECT FileObject) { - PROS_SECTION_OBJECT Section; + PSECTION Section; NTSTATUS Status; PMM_SECTION_SEGMENT SectionSegments; PMM_IMAGE_SECTION_OBJECT ImageSectionObject; @@ -3715,7 +3715,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, ObjectAttributes, ExGetPreviousMode(), NULL, - sizeof(ROS_SECTION_OBJECT), + sizeof(*Section), 0, 0, (PVOID*)(PVOID)&Section); @@ -3728,7 +3728,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, /* * Initialize it */ - RtlZeroMemory(Section, sizeof(ROS_SECTION_OBJECT)); + RtlZeroMemory(Section, sizeof(*Section)); /* Mark this as a "ROS" Section */ Section->u.Flags.filler = 1; @@ -3858,7 +3858,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, static NTSTATUS MmMapViewOfSegment(PMMSUPPORT AddressSpace, - PROS_SECTION_OBJECT Section, + PSECTION Section, PMM_SECTION_SEGMENT Segment, PVOID* BaseAddress, SIZE_T ViewSize, @@ -3944,7 +3944,7 @@ MmFreeSectionPage(PVOID Context, MEMORY_AREA* MemoryArea, PVOID Address, #endif LARGE_INTEGER Offset; SWAPENTRY SavedSwapEntry; - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; PMMSUPPORT AddressSpace; PEPROCESS Process; @@ -4028,7 +4028,7 @@ MmUnmapViewOfSegment(PMMSUPPORT AddressSpace, { NTSTATUS Status; PMEMORY_AREA MemoryArea; - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; PLIST_ENTRY CurrentEntry; PMM_REGION CurrentRegion; @@ -4095,7 +4095,7 @@ MiRosUnmapViewOfSection(IN PEPROCESS Process, NTSTATUS Status; PMEMORY_AREA MemoryArea; PMMSUPPORT AddressSpace; - PROS_SECTION_OBJECT Section; + PSECTION Section; PVOID ImageBaseAddress = 0; DPRINT("Opening memory area Process %p BaseAddress %p\n", @@ -4281,8 +4281,6 @@ NtQuerySection( if (MiIsRosSectionObject(Section)) { - PROS_SECTION_OBJECT RosSection = (PROS_SECTION_OBJECT)Section; - switch (SectionInformationClass) { case SectionBasicInformation: @@ -4292,22 +4290,22 @@ NtQuerySection( _SEH2_TRY { Sbi->Attributes = 0; - if (RosSection->u.Flags.Image) + if (Section->u.Flags.Image) Sbi->Attributes |= SEC_IMAGE; - if (RosSection->u.Flags.File) + if (Section->u.Flags.File) Sbi->Attributes |= SEC_FILE; - if (RosSection->u.Flags.NoChange) + if (Section->u.Flags.NoChange) Sbi->Attributes |= SEC_NO_CHANGE; - if (RosSection->u.Flags.Image) + if (Section->u.Flags.Image) { Sbi->BaseAddress = 0; Sbi->Size.QuadPart = 0; } else { - Sbi->BaseAddress = (PVOID)((PMM_SECTION_SEGMENT)RosSection->Segment)->Image.VirtualAddress; - Sbi->Size.QuadPart = ((PMM_SECTION_SEGMENT)RosSection->Segment)->Length.QuadPart; + Sbi->BaseAddress = (PVOID)((PMM_SECTION_SEGMENT)Section->Segment)->Image.VirtualAddress; + Sbi->Size.QuadPart = ((PMM_SECTION_SEGMENT)Section->Segment)->Length.QuadPart; } if (ResultLength != NULL) @@ -4331,7 +4329,7 @@ NtQuerySection( _SEH2_TRY { - if (RosSection->u.Flags.Image) + if (Section->u.Flags.Image) { PMM_IMAGE_SECTION_OBJECT ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); @@ -4474,7 +4472,7 @@ MmMapViewOfSection(IN PVOID SectionObject, IN ULONG AllocationType, IN ULONG Protect) { - PROS_SECTION_OBJECT Section; + PSECTION Section; PMMSUPPORT AddressSpace; ULONG ViewOffset; NTSTATUS Status = STATUS_SUCCESS; @@ -4505,7 +4503,7 @@ MmMapViewOfSection(IN PVOID SectionObject, /* FIXME: We should keep this, but it would break code checking equality */ Protect &= ~PAGE_NOCACHE; - Section = (PROS_SECTION_OBJECT)SectionObject; + Section = SectionObject; AddressSpace = &Process->Vm; if (Section->u.Flags.NoChange) @@ -4815,7 +4813,7 @@ MmMapViewInSystemSpace (IN PVOID SectionObject, OUT PVOID * MappedBase, IN OUT PSIZE_T ViewSize) { - PROS_SECTION_OBJECT Section; + PSECTION Section; PMM_SECTION_SEGMENT Segment; PMMSUPPORT AddressSpace; NTSTATUS Status; @@ -4831,7 +4829,7 @@ MmMapViewInSystemSpace (IN PVOID SectionObject, DPRINT("MmMapViewInSystemSpace() called\n"); - Section = (PROS_SECTION_OBJECT)SectionObject; + Section = SectionObject; Segment = (PMM_SECTION_SEGMENT)Section->Segment; AddressSpace = MmGetKernelAddressSpace(); @@ -4953,7 +4951,7 @@ MmCreateSection (OUT PVOID * Section, { NTSTATUS Status; ULONG Protection; - PROS_SECTION_OBJECT *SectionObject = (PROS_SECTION_OBJECT *)Section; + PSECTION *SectionObject = (PSECTION *)Section; /* Check if an ARM3 section is being created instead */ if (!(AllocationAttributes & (SEC_IMAGE | SEC_PHYSICALMEMORY)))

3 years, 10 months

[reactos] 14/100: [NTOSKRNL] Store File Object in the segment instead of Section object

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8b98ff66eabba884a0299… commit 8b98ff66eabba884a02993704b46174da1a0141a Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Mon Oct 26 09:04:49 2020 +0100 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Store File Object in the segment instead of Section object --- ntoskrnl/include/internal/mm.h | 6 ++++-- ntoskrnl/mm/ARM3/section.c | 9 ++++---- ntoskrnl/mm/section.c | 47 +++++++++++++++++++++++++++++------------- 3 files changed, 41 insertions(+), 21 deletions(-) diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index 760b514de4a..74cfcf7f11e 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -166,8 +166,9 @@ typedef ULONG_PTR SWAPENTRY; typedef struct _MM_SECTION_SEGMENT { + PFILE_OBJECT FileObject; + FAST_MUTEX Lock; /* lock which protects the page directory */ - PFILE_OBJECT FileObject; LARGE_INTEGER RawLength; /* length of the segment which is part of the mapped file */ LARGE_INTEGER Length; /* absolute length of the segment */ ULONG ReferenceCount; @@ -190,6 +191,8 @@ typedef struct _MM_SECTION_SEGMENT typedef struct _MM_IMAGE_SECTION_OBJECT { + PFILE_OBJECT FileObject; + SECTION_IMAGE_INFORMATION ImageInformation; PVOID BasedAddress; ULONG NrSegments; @@ -199,7 +202,6 @@ typedef struct _MM_IMAGE_SECTION_OBJECT typedef struct _ROS_SECTION_OBJECT { SECTION; - PFILE_OBJECT FileObject; } ROS_SECTION_OBJECT, *PROS_SECTION_OBJECT; #define MA_GetStartingAddress(_MemoryArea) ((_MemoryArea)->VadNode.StartingVpn << PAGE_SHIFT) diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index 81ecdc9f8dc..a91cfe2ed4a 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -1662,7 +1662,7 @@ MiGetFileObjectForSectionAddress( { /* Get the section pointer to the SECTION_OBJECT */ Section = MemoryArea->SectionData.Section; - *FileObject = Section->FileObject; + *FileObject = ((PMM_SECTION_SEGMENT)Section->Segment)->FileObject; } else { @@ -1705,7 +1705,7 @@ PFILE_OBJECT NTAPI MmGetFileObjectForSection(IN PVOID SectionObject) { - PSECTION Section; + PSECTION Section = SectionObject; ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL); ASSERT(SectionObject != NULL); @@ -1713,12 +1713,11 @@ MmGetFileObjectForSection(IN PVOID SectionObject) if (MiIsRosSectionObject(SectionObject) == FALSE) { /* Return the file pointer stored in the control area */ - Section = SectionObject; return Section->Segment->ControlArea->FilePointer; } /* Return the file object */ - return ((PROS_SECTION_OBJECT)SectionObject)->FileObject; + return ((PMM_SECTION_SEGMENT)Section->Segment)->FileObject; } static @@ -1740,7 +1739,7 @@ MiGetFileObjectForVad( { /* Get the section pointer to the SECTION_OBJECT */ Section = MemoryArea->SectionData.Section; - FileObject = Section->FileObject; + FileObject = ((PMM_SECTION_SEGMENT)Section->Segment)->FileObject; } else { diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index 73711677d41..b975433e271 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -847,6 +847,7 @@ MmFreeSectionSegments(PFILE_OBJECT FileObject) } MmFreePageTablesSectionSegment(&SectionSegments[i], NULL); } + ObDereferenceObject(ImageSectionObject->FileObject); ExFreePool(ImageSectionObject->Segments); ExFreePool(ImageSectionObject); FileObject->SectionObjectPointer->ImageSectionObject = NULL; @@ -863,6 +864,7 @@ MmFreeSectionSegments(PFILE_OBJECT FileObject) DPRINT1("Data segment still referenced\n"); KeBugCheck(MEMORY_MANAGEMENT); } + ObDereferenceObject(Segment->FileObject); MmFreePageTablesSectionSegment(Segment, NULL); ExFreePool(Segment); FileObject->SectionObjectPointer->DataSectionObject = NULL; @@ -941,7 +943,7 @@ MmUnsharePageEntrySectionSegment(PROS_SECTION_OBJECT Section, #endif Page = PFN_FROM_SSE(Entry); - FileObject = Section->FileObject; + FileObject = Segment->FileObject; if (FileObject != NULL && !(Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) { @@ -1047,7 +1049,7 @@ BOOLEAN MiIsPageFromCache(PMEMORY_AREA MemoryArea, { PROS_SHARED_CACHE_MAP SharedCacheMap; PROS_VACB Vacb; - SharedCacheMap = MemoryArea->SectionData.Section->FileObject->SectionObjectPointer->SharedCacheMap; + SharedCacheMap = MemoryArea->SectionData.Segment->FileObject->SectionObjectPointer->SharedCacheMap; Vacb = CcRosLookupVacb(SharedCacheMap, SegOffset + MemoryArea->SectionData.Segment->Image.FileOffset); if (Vacb) { @@ -1106,7 +1108,7 @@ MiReadPage(PMEMORY_AREA MemoryArea, BOOLEAN IsImageSection; LONGLONG Length; - FileObject = MemoryArea->SectionData.Section->FileObject; + FileObject = MemoryArea->SectionData.Segment->FileObject; SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap; RawLength = MemoryArea->SectionData.Segment->RawLength.QuadPart; FileOffset = SegOffset + MemoryArea->SectionData.Segment->Image.FileOffset; @@ -2012,7 +2014,7 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace, #ifndef NEWCC FileOffset = Context.Offset.QuadPart + Context.Segment->Image.FileOffset; IsImageSection = Context.Section->u.Flags.Image; - FileObject = Context.Section->FileObject; + FileObject = Context.Segment->FileObject; if (FileObject != NULL && !(Context.Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) @@ -2392,7 +2394,7 @@ MmWritePageSectionView(PMMSUPPORT AddressSpace, Section = MemoryArea->SectionData.Section; IsImageSection = Section->u.Flags.Image; - FileObject = Section->FileObject; + FileObject = Segment->FileObject; DirectMapped = FALSE; if (FileObject != NULL && !(Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) @@ -2709,13 +2711,16 @@ MmpDeleteSection(PVOID ObjectBody) (void)InterlockedDecrementUL(&((PMM_SECTION_SEGMENT)Section->Segment)->ReferenceCount); } - if (Section->FileObject != NULL) + + if (Section->Segment) { -#ifndef NEWCC - CcRosDereferenceCache(Section->FileObject); -#endif - ObDereferenceObject(Section->FileObject); - Section->FileObject = NULL; + PMM_SECTION_SEGMENT Segment = (PMM_SECTION_SEGMENT)Section->Segment; + if (Segment->FileObject != NULL) + { + #ifndef NEWCC + CcRosDereferenceCache(Segment->FileObject); + #endif + } } } @@ -2986,6 +2991,7 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, Section->Segment = (PSEGMENT)Segment; Segment->ReferenceCount = 1; ExInitializeFastMutex(&Segment->Lock); + Segment->FileObject = FileObject; /* * Set the lock before assigning the segment to the file object */ @@ -3029,9 +3035,12 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, Segment->RawLength.QuadPart = MaximumSize.QuadPart; Segment->Length.QuadPart = PAGE_ROUND_UP(Segment->RawLength.QuadPart); } + + /* We let the segment reference the file object */ + ObDereferenceObject(FileObject); + FileObject = Segment->FileObject; } MmUnlockSectionSegment(Segment); - Section->FileObject = FileObject; Section->SizeOfSection = MaximumSize; #ifndef NEWCC CcRosReferenceCache(FileObject); @@ -3663,8 +3672,11 @@ ExeFmtpCreateImageSection(PFILE_OBJECT FileObject, ExInitializeFastMutex(&ImageSectionObject->Segments[i].Lock); ImageSectionObject->Segments[i].ReferenceCount = 1; MiInitializeSectionPageTable(&ImageSectionObject->Segments[i]); + ImageSectionObject->Segments[i].FileObject = FileObject; } + ImageSectionObject->FileObject = FileObject; + ASSERT(NT_SUCCESS(Status)); return Status; } @@ -3795,6 +3807,10 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, { (void)InterlockedIncrementUL(&SectionSegments[i].ReferenceCount); } + + /* We let the Image Section Object hold the reference */ + ObDereferenceObject(FileObject); + FileObject = ImageSectionObject->FileObject; } Status = StatusExeFmt; @@ -3824,9 +3840,12 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, (void)InterlockedIncrementUL(&SectionSegments[i].ReferenceCount); } + /* We let the Image Section Object hold the reference */ + ObDereferenceObject(FileObject); + FileObject = ImageSectionObject->FileObject; + Status = STATUS_SUCCESS; } - Section->FileObject = FileObject; #ifndef NEWCC CcRosReferenceCache(FileObject); #endif @@ -3963,7 +3982,7 @@ MmFreeSectionPage(PVOID Context, MEMORY_AREA* MemoryArea, PVOID Address, if (Page == PFN_FROM_SSE(Entry) && Dirty) { #ifndef NEWCC - FileObject = MemoryArea->SectionData.Section->FileObject; + FileObject = MemoryArea->SectionData.Segment->FileObject; SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap; CcRosMarkDirtyFile(SharedCacheMap, Offset.QuadPart + Segment->Image.FileOffset); #endif

3 years, 10 months

[reactos] 13/100: [NTOSKRNL] Store the MM_IMAGE_SECTION_OBJECT pointer in SECTION::Segment

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=e980efebd4efe53a596ca… commit e980efebd4efe53a596cab313e825160c6bf76fb Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Fri Oct 23 17:27:47 2020 +0200 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Store the MM_IMAGE_SECTION_OBJECT pointer in SECTION::Segment --- ntoskrnl/include/internal/mm.h | 2 -- ntoskrnl/mm/ARM3/section.c | 8 +++++++- ntoskrnl/mm/ARM3/sysldr.c | 20 ++++++++++---------- ntoskrnl/mm/section.c | 21 ++++++++++----------- 4 files changed, 27 insertions(+), 24 deletions(-) diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index a7affb0a49c..760b514de4a 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -200,8 +200,6 @@ typedef struct _ROS_SECTION_OBJECT { SECTION; PFILE_OBJECT FileObject; - - PMM_IMAGE_SECTION_OBJECT ImageSection; } ROS_SECTION_OBJECT, *PROS_SECTION_OBJECT; #define MA_GetStartingAddress(_MemoryArea) ((_MemoryArea)->VadNode.StartingVpn << PAGE_SHIFT) diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index 58d261e5476..81ecdc9f8dc 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -1789,8 +1789,14 @@ MmGetImageInformation (OUT PSECTION_IMAGE_INFORMATION ImageInformation) ASSERT(SectionObject != NULL); ASSERT(MiIsRosSectionObject(SectionObject) == TRUE); + if (SectionObject->u.Flags.Image == 0) + { + RtlZeroMemory(ImageInformation, sizeof(*ImageInformation)); + return; + } + /* Return the image information */ - *ImageInformation = ((PROS_SECTION_OBJECT)SectionObject)->ImageSection->ImageInformation; + *ImageInformation = ((PMM_IMAGE_SECTION_OBJECT)SectionObject->Segment)->ImageInformation; } NTSTATUS diff --git a/ntoskrnl/mm/ARM3/sysldr.c b/ntoskrnl/mm/ARM3/sysldr.c index 811defcde8b..0ebcae75e29 100644 --- a/ntoskrnl/mm/ARM3/sysldr.c +++ b/ntoskrnl/mm/ARM3/sysldr.c @@ -81,13 +81,13 @@ MiCacheImageSymbols(IN PVOID BaseAddress) NTSTATUS NTAPI -MiLoadImageSection(IN OUT PVOID *SectionPtr, - OUT PVOID *ImageBase, - IN PUNICODE_STRING FileName, - IN BOOLEAN SessionLoad, - IN PLDR_DATA_TABLE_ENTRY LdrEntry) +MiLoadImageSection(_Inout_ PSECTION *SectionPtr, + _Out_ PVOID *ImageBase, + _In_ PUNICODE_STRING FileName, + _In_ BOOLEAN SessionLoad, + _In_ PLDR_DATA_TABLE_ENTRY LdrEntry) { - PROS_SECTION_OBJECT Section = *SectionPtr; + PSECTION Section = *SectionPtr; NTSTATUS Status; PEPROCESS Process; PVOID Base = NULL; @@ -158,7 +158,7 @@ MiLoadImageSection(IN OUT PVOID *SectionPtr, } /* Reserve system PTEs needed */ - PteCount = ROUND_TO_PAGES(Section->ImageSection->ImageInformation.ImageFileSize) >> PAGE_SHIFT; + PteCount = ROUND_TO_PAGES(((PMM_IMAGE_SECTION_OBJECT)Section->Segment)->ImageInformation.ImageFileSize) >> PAGE_SHIFT; PointerPte = MiReserveSystemPtes(PteCount, SystemPteSpace); if (!PointerPte) { @@ -2837,7 +2837,7 @@ MmLoadSystemImage(IN PUNICODE_STRING FileName, PWCHAR MissingDriverName; HANDLE SectionHandle; ACCESS_MASK DesiredAccess; - PVOID Section = NULL; + PSECTION Section = NULL; BOOLEAN LockOwned = FALSE; PLIST_ENTRY NextEntry; IMAGE_INFO ImageInfo; @@ -3054,7 +3054,7 @@ LoaderScan: SECTION_MAP_EXECUTE, MmSectionObjectType, KernelMode, - &Section, + (PVOID*)&Section, NULL); ZwClose(SectionHandle); if (!NT_SUCCESS(Status)) goto Quickie; @@ -3085,7 +3085,7 @@ LoaderScan: ASSERT(Status != STATUS_ALREADY_COMMITTED); /* Get the size of the driver */ - DriverSize = ((PROS_SECTION_OBJECT)Section)->ImageSection->ImageInformation.ImageFileSize; + DriverSize = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment)->ImageInformation.ImageFileSize; /* Make sure we're not being loaded into session space */ if (!Flags) diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index 59b6a22ec36..73711677d41 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -2633,7 +2633,7 @@ MmpFreePageFileSegment(PMM_SECTION_SEGMENT Segment) VOID NTAPI MmpDeleteSection(PVOID ObjectBody) { - PROS_SECTION_OBJECT Section = (PROS_SECTION_OBJECT)ObjectBody; + PROS_SECTION_OBJECT Section = ObjectBody; /* Check if it's an ARM3, or ReactOS section */ if (!MiIsRosSectionObject(Section)) @@ -2656,11 +2656,11 @@ MmpDeleteSection(PVOID ObjectBody) * until the image section is properly initialized we shouldn't * process further here. */ - if (Section->ImageSection == NULL) + if (Section->Segment == NULL) return; - SectionSegments = Section->ImageSection->Segments; - NrSegments = Section->ImageSection->NrSegments; + SectionSegments = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment)->Segments; + NrSegments = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment)->NrSegments; for (i = 0; i < NrSegments; i++) { @@ -3763,7 +3763,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, return(Status); } - Section->ImageSection = ImageSectionObject; + Section->Segment = (PSEGMENT)ImageSectionObject; ASSERT(ImageSectionObject->Segments); /* @@ -3788,7 +3788,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, ExFreePool(ImageSectionObject->Segments); ExFreePool(ImageSectionObject); ImageSectionObject = FileObject->SectionObjectPointer->ImageSectionObject; - Section->ImageSection = ImageSectionObject; + Section->Segment = (PSEGMENT)ImageSectionObject; SectionSegments = ImageSectionObject->Segments; for (i = 0; i < ImageSectionObject->NrSegments; i++) @@ -3813,7 +3813,7 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, } ImageSectionObject = FileObject->SectionObjectPointer->ImageSectionObject; - Section->ImageSection = ImageSectionObject; + Section->Segment = (PSEGMENT)ImageSectionObject; SectionSegments = ImageSectionObject->Segments; /* @@ -4114,7 +4114,7 @@ MiRosUnmapViewOfSection(IN PEPROCESS Process, PMM_SECTION_SEGMENT Segment; Segment = MemoryArea->SectionData.Segment; - ImageSectionObject = Section->ImageSection; + ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); SectionSegments = ImageSectionObject->Segments; NrSegments = ImageSectionObject->NrSegments; @@ -4314,8 +4314,7 @@ NtQuerySection( { if (RosSection->u.Flags.Image) { - PMM_IMAGE_SECTION_OBJECT ImageSectionObject; - ImageSectionObject = RosSection->ImageSection; + PMM_IMAGE_SECTION_OBJECT ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); *Sii = ImageSectionObject->ImageInformation; } @@ -4504,7 +4503,7 @@ MmMapViewOfSection(IN PVOID SectionObject, PMM_IMAGE_SECTION_OBJECT ImageSectionObject; PMM_SECTION_SEGMENT SectionSegments; - ImageSectionObject = Section->ImageSection; + ImageSectionObject = ((PMM_IMAGE_SECTION_OBJECT)Section->Segment); SectionSegments = ImageSectionObject->Segments; NrSegments = ImageSectionObject->NrSegments;

3 years, 10 months

[reactos] 12/100: [NTOSKRNL] Get rid of MEMORY_AREA::Protect

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c6a87f28bf4a0a3270adf… commit c6a87f28bf4a0a3270adf6114ed2589e200c5b86 Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Fri Oct 23 16:55:00 2020 +0200 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Get rid of MEMORY_AREA::Protect Use the VAD node instead --- ntoskrnl/include/internal/mm.h | 1 - ntoskrnl/mm/marea.c | 10 +++++----- ntoskrnl/mm/section.c | 10 +++++----- 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index 4bb6d1a60ca..a7affb0a49c 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -212,7 +212,6 @@ typedef struct _MEMORY_AREA MMVAD VadNode; ULONG Type; - ULONG Protect; ULONG Flags; BOOLEAN DeleteInProgress; ULONG Magic; diff --git a/ntoskrnl/mm/marea.c b/ntoskrnl/mm/marea.c index 3736a5a36c8..cd7b9594f1d 100644 --- a/ntoskrnl/mm/marea.c +++ b/ntoskrnl/mm/marea.c @@ -165,12 +165,13 @@ MiMakeProtectionMask( static VOID MmInsertMemoryArea( PMMSUPPORT AddressSpace, - PMEMORY_AREA marea) + PMEMORY_AREA marea, + ULONG Protect) { PEPROCESS Process = MmGetAddressSpaceOwner(AddressSpace); marea->VadNode.u.VadFlags.Spare = 1; - marea->VadNode.u.VadFlags.Protection = MiMakeProtectionMask(marea->Protect); + marea->VadNode.u.VadFlags.Protection = MiMakeProtectionMask(Protect); /* Build a lame VAD if this is a user-space allocation */ if (marea->VadNode.EndingVpn + 1 < (ULONG_PTR)MmSystemRangeStart >> PAGE_SHIFT) @@ -457,7 +458,6 @@ MmCreateMemoryArea(PMMSUPPORT AddressSpace, RtlZeroMemory(MemoryArea, sizeof(MEMORY_AREA)); MemoryArea->Type = Type & ~MEMORY_AREA_STATIC; - MemoryArea->Protect = Protect; MemoryArea->Flags = AllocationFlags; MemoryArea->Magic = 'erAM'; MemoryArea->DeleteInProgress = FALSE; @@ -478,7 +478,7 @@ MmCreateMemoryArea(PMMSUPPORT AddressSpace, MemoryArea->VadNode.StartingVpn = (ULONG_PTR)*BaseAddress >> PAGE_SHIFT; MemoryArea->VadNode.EndingVpn = ((ULONG_PTR)*BaseAddress + tmpLength - 1) >> PAGE_SHIFT; - MmInsertMemoryArea(AddressSpace, MemoryArea); + MmInsertMemoryArea(AddressSpace, MemoryArea, Protect); } else { @@ -516,7 +516,7 @@ MmCreateMemoryArea(PMMSUPPORT AddressSpace, MemoryArea->VadNode.StartingVpn = (ULONG_PTR)*BaseAddress >> PAGE_SHIFT; MemoryArea->VadNode.EndingVpn = ((ULONG_PTR)*BaseAddress + tmpLength - 1) >> PAGE_SHIFT; - MmInsertMemoryArea(AddressSpace, MemoryArea); + MmInsertMemoryArea(AddressSpace, MemoryArea, Protect); } *Result = MemoryArea; diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index 91ef5133849..59b6a22ec36 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -2222,7 +2222,7 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace, { Status = MmCreateVirtualMapping(Process, Address, - MemoryArea->Protect, + MmProtectToValue[MemoryArea->VadNode.u.VadFlags.Protection], &Page, 1); MmSetDirtyPage(Process, Address); @@ -2243,7 +2243,7 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace, */ Status = MmCreateVirtualMapping(Process, Address, - MemoryArea->Protect, + MmProtectToValue[MemoryArea->VadNode.u.VadFlags.Protection], &Page, 1); MmSetDirtyPage(Process, Address); @@ -2280,7 +2280,7 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace, { Status = MmCreateVirtualMapping(Process, Address, - MemoryArea->Protect, + MmProtectToValue[MemoryArea->VadNode.u.VadFlags.Protection], &Page, 1); MmSetDirtyPage(Process, Address); @@ -2293,7 +2293,7 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace, MmLockSectionSegment(Context.Segment); Status = MmCreateVirtualMapping(Process, Address, - MemoryArea->Protect, + MmProtectToValue[MemoryArea->VadNode.u.VadFlags.Protection], &Page, 1); MmSetDirtyPage(Process, Address); @@ -2579,7 +2579,7 @@ MmQuerySectionView(PMEMORY_AREA MemoryArea, Info->Type = MEM_MAPPED; } Info->BaseAddress = RegionBaseAddress; - Info->AllocationProtect = MemoryArea->Protect; + Info->AllocationProtect = MmProtectToValue[MemoryArea->VadNode.u.VadFlags.Protection]; Info->RegionSize = Region->Length; Info->State = MEM_COMMIT; Info->Protect = Region->Protect;

3 years, 10 months

[reactos] 11/100: [NTOSKRNL/MM] Get rid of useless members of MEMORY_AREA struct

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c9f924940a954b0f55831… commit c9f924940a954b0f558319e1df95c1c2d71e2dfe Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Fri Oct 23 16:44:24 2020 +0200 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL/MM] Get rid of useless members of MEMORY_AREA struct --- ntoskrnl/include/internal/mm.h | 20 ++++------ ntoskrnl/mm/ARM3/section.c | 4 +- ntoskrnl/mm/rmap.c | 12 +++--- ntoskrnl/mm/section.c | 90 +++++++++++++++++++++--------------------- 4 files changed, 60 insertions(+), 66 deletions(-) diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index 4ca7e6717aa..4bb6d1a60ca 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -217,20 +217,14 @@ typedef struct _MEMORY_AREA BOOLEAN DeleteInProgress; ULONG Magic; PVOID Vad; - union + + struct { - struct - { - PROS_SECTION_OBJECT Section; - LARGE_INTEGER ViewOffset; - PMM_SECTION_SEGMENT Segment; - LIST_ENTRY RegionListHead; - } SectionData; - struct - { - LIST_ENTRY RegionListHead; - } VirtualMemoryData; - } Data; + PROS_SECTION_OBJECT Section; + LARGE_INTEGER ViewOffset; + PMM_SECTION_SEGMENT Segment; + LIST_ENTRY RegionListHead; + } SectionData; } MEMORY_AREA, *PMEMORY_AREA; typedef struct _MM_RMAP_ENTRY diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index 1090a8dfada..58d261e5476 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -1661,7 +1661,7 @@ MiGetFileObjectForSectionAddress( if (MemoryArea->Type == MEMORY_AREA_SECTION_VIEW) { /* Get the section pointer to the SECTION_OBJECT */ - Section = MemoryArea->Data.SectionData.Section; + Section = MemoryArea->SectionData.Section; *FileObject = Section->FileObject; } else @@ -1739,7 +1739,7 @@ MiGetFileObjectForVad( if (MemoryArea->Type == MEMORY_AREA_SECTION_VIEW) { /* Get the section pointer to the SECTION_OBJECT */ - Section = MemoryArea->Data.SectionData.Section; + Section = MemoryArea->SectionData.Section; FileObject = Section->FileObject; } else diff --git a/ntoskrnl/mm/rmap.c b/ntoskrnl/mm/rmap.c index 9fea631dd09..9f5938d7496 100644 --- a/ntoskrnl/mm/rmap.c +++ b/ntoskrnl/mm/rmap.c @@ -132,19 +132,19 @@ MmPageOutPhysicalAddress(PFN_NUMBER Page) if (Type == MEMORY_AREA_SECTION_VIEW) { ULONG_PTR Entry; - Offset = MemoryArea->Data.SectionData.ViewOffset.QuadPart + + Offset = MemoryArea->SectionData.ViewOffset.QuadPart + ((ULONG_PTR)Address - MA_GetStartingAddress(MemoryArea)); - MmLockSectionSegment(MemoryArea->Data.SectionData.Segment); + MmLockSectionSegment(MemoryArea->SectionData.Segment); /* * Get or create a pageop */ - Entry = MmGetPageEntrySectionSegment(MemoryArea->Data.SectionData.Segment, + Entry = MmGetPageEntrySectionSegment(MemoryArea->SectionData.Segment, (PLARGE_INTEGER)&Offset); if (Entry && MM_IS_WAIT_PTE(Entry)) { - MmUnlockSectionSegment(MemoryArea->Data.SectionData.Segment); + MmUnlockSectionSegment(MemoryArea->SectionData.Segment); MmUnlockAddressSpace(AddressSpace); if (Address < MmSystemRangeStart) { @@ -154,12 +154,12 @@ MmPageOutPhysicalAddress(PFN_NUMBER Page) return(STATUS_UNSUCCESSFUL); } - MmSetPageEntrySectionSegment(MemoryArea->Data.SectionData.Segment, (PLARGE_INTEGER)&Offset, MAKE_SWAP_SSE(MM_WAIT_ENTRY)); + MmSetPageEntrySectionSegment(MemoryArea->SectionData.Segment, (PLARGE_INTEGER)&Offset, MAKE_SWAP_SSE(MM_WAIT_ENTRY)); /* * Release locks now we have a page op. */ - MmUnlockSectionSegment(MemoryArea->Data.SectionData.Segment); + MmUnlockSectionSegment(MemoryArea->SectionData.Segment); MmUnlockAddressSpace(AddressSpace); /* diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index 32ee1f48786..91ef5133849 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -1043,12 +1043,12 @@ BOOLEAN MiIsPageFromCache(PMEMORY_AREA MemoryArea, LONGLONG SegOffset) { #ifndef NEWCC - if (!(MemoryArea->Data.SectionData.Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) + if (!(MemoryArea->SectionData.Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) { PROS_SHARED_CACHE_MAP SharedCacheMap; PROS_VACB Vacb; - SharedCacheMap = MemoryArea->Data.SectionData.Section->FileObject->SectionObjectPointer->SharedCacheMap; - Vacb = CcRosLookupVacb(SharedCacheMap, SegOffset + MemoryArea->Data.SectionData.Segment->Image.FileOffset); + SharedCacheMap = MemoryArea->SectionData.Section->FileObject->SectionObjectPointer->SharedCacheMap; + Vacb = CcRosLookupVacb(SharedCacheMap, SegOffset + MemoryArea->SectionData.Segment->Image.FileOffset); if (Vacb) { CcRosReleaseVacb(SharedCacheMap, Vacb, Vacb->Valid, FALSE, TRUE); @@ -1106,11 +1106,11 @@ MiReadPage(PMEMORY_AREA MemoryArea, BOOLEAN IsImageSection; LONGLONG Length; - FileObject = MemoryArea->Data.SectionData.Section->FileObject; + FileObject = MemoryArea->SectionData.Section->FileObject; SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap; - RawLength = MemoryArea->Data.SectionData.Segment->RawLength.QuadPart; - FileOffset = SegOffset + MemoryArea->Data.SectionData.Segment->Image.FileOffset; - IsImageSection = MemoryArea->Data.SectionData.Section->u.Flags.Image; + RawLength = MemoryArea->SectionData.Segment->RawLength.QuadPart; + FileOffset = SegOffset + MemoryArea->SectionData.Segment->Image.FileOffset; + IsImageSection = MemoryArea->SectionData.Section->u.Flags.Image; ASSERT(SharedCacheMap); @@ -1123,7 +1123,7 @@ MiReadPage(PMEMORY_AREA MemoryArea, */ if (((FileOffset % PAGE_SIZE) == 0) && ((SegOffset + PAGE_SIZE <= RawLength) || !IsImageSection) && - !(MemoryArea->Data.SectionData.Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) + !(MemoryArea->SectionData.Segment->Image.Characteristics & IMAGE_SCN_MEM_SHARED)) { /* @@ -1282,9 +1282,9 @@ MiReadPage(PMEMORY_AREA MemoryArea, RtlZeroMemory(&Resources, sizeof(MM_REQUIRED_RESOURCES)); - Resources.Context = MemoryArea->Data.SectionData.Section->FileObject; + Resources.Context = MemoryArea->SectionData.Section->FileObject; Resources.FileOffset.QuadPart = SegOffset + - MemoryArea->Data.SectionData.Segment->Image.FileOffset; + MemoryArea->SectionData.Segment->Image.FileOffset; Resources.Consumer = MC_USER; Resources.Amount = PAGE_SIZE; @@ -1313,7 +1313,7 @@ MmAlterViewAttributes(PMMSUPPORT AddressSpace, MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, BaseAddress); ASSERT(MemoryArea != NULL); - Segment = MemoryArea->Data.SectionData.Segment; + Segment = MemoryArea->SectionData.Segment; MmLockSectionSegment(Segment); if ((Segment->WriteCopy) && @@ -1351,7 +1351,7 @@ MmAlterViewAttributes(PMMSUPPORT AddressSpace, PFN_NUMBER Page; Offset.QuadPart = (ULONG_PTR)Address - MA_GetStartingAddress(MemoryArea) - + MemoryArea->Data.SectionData.ViewOffset.QuadPart; + + MemoryArea->SectionData.ViewOffset.QuadPart; Entry = MmGetPageEntrySectionSegment(Segment, &Offset); /* * An MM_WAIT_ENTRY is ok in this case... It'll just count as @@ -1423,12 +1423,12 @@ MmNotPresentFaultSectionView(PMMSUPPORT AddressSpace, PAddress = MM_ROUND_DOWN(Address, PAGE_SIZE); Offset.QuadPart = (ULONG_PTR)PAddress - MA_GetStartingAddress(MemoryArea) - + MemoryArea->Data.SectionData.ViewOffset.QuadPart; + + MemoryArea->SectionData.ViewOffset.QuadPart; - Segment = MemoryArea->Data.SectionData.Segment; - Section = MemoryArea->Data.SectionData.Section; + Segment = MemoryArea->SectionData.Segment; + Section = MemoryArea->SectionData.Section; Region = MmFindRegion((PVOID)MA_GetStartingAddress(MemoryArea), - &MemoryArea->Data.SectionData.RegionListHead, + &MemoryArea->SectionData.RegionListHead, Address, NULL); ASSERT(Region != NULL); @@ -1442,7 +1442,7 @@ MmNotPresentFaultSectionView(PMMSUPPORT AddressSpace, { /* Remove it */ Status = MmAlterRegion(AddressSpace, (PVOID)MA_GetStartingAddress(MemoryArea), - &MemoryArea->Data.SectionData.RegionListHead, + &MemoryArea->SectionData.RegionListHead, Address, PAGE_SIZE, Region->Type, Region->Protect & ~PAGE_GUARD, MmAlterViewAttributes); @@ -1844,12 +1844,12 @@ MmAccessFaultSectionView(PMMSUPPORT AddressSpace, */ PAddress = MM_ROUND_DOWN(Address, PAGE_SIZE); Offset.QuadPart = (ULONG_PTR)PAddress - MA_GetStartingAddress(MemoryArea) - + MemoryArea->Data.SectionData.ViewOffset.QuadPart; + + MemoryArea->SectionData.ViewOffset.QuadPart; - Segment = MemoryArea->Data.SectionData.Segment; - Section = MemoryArea->Data.SectionData.Section; + Segment = MemoryArea->SectionData.Segment; + Section = MemoryArea->SectionData.Section; Region = MmFindRegion((PVOID)MA_GetStartingAddress(MemoryArea), - &MemoryArea->Data.SectionData.RegionListHead, + &MemoryArea->SectionData.RegionListHead, Address, NULL); ASSERT(Region != NULL); @@ -1997,13 +1997,13 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace, /* * Get the segment and section. */ - Context.Segment = MemoryArea->Data.SectionData.Segment; - Context.Section = MemoryArea->Data.SectionData.Section; + Context.Segment = MemoryArea->SectionData.Segment; + Context.Section = MemoryArea->SectionData.Section; Context.SectionEntry = Entry; Context.CallingProcess = Process; Context.Offset.QuadPart = (ULONG_PTR)Address - MA_GetStartingAddress(MemoryArea) - + MemoryArea->Data.SectionData.ViewOffset.QuadPart; + + MemoryArea->SectionData.ViewOffset.QuadPart; DirectMapped = FALSE; @@ -2383,13 +2383,13 @@ MmWritePageSectionView(PMMSUPPORT AddressSpace, Address = (PVOID)PAGE_ROUND_DOWN(Address); Offset.QuadPart = (ULONG_PTR)Address - MA_GetStartingAddress(MemoryArea) - + MemoryArea->Data.SectionData.ViewOffset.QuadPart; + + MemoryArea->SectionData.ViewOffset.QuadPart; /* * Get the segment and section. */ - Segment = MemoryArea->Data.SectionData.Segment; - Section = MemoryArea->Data.SectionData.Section; + Segment = MemoryArea->SectionData.Segment; + Section = MemoryArea->SectionData.Section; IsImageSection = Section->u.Flags.Image; FileObject = Section->FileObject; @@ -2528,7 +2528,7 @@ MmProtectSectionView(PMMSUPPORT AddressSpace, Length = (ULONG)MaxLength; Region = MmFindRegion((PVOID)MA_GetStartingAddress(MemoryArea), - &MemoryArea->Data.SectionData.RegionListHead, + &MemoryArea->SectionData.RegionListHead, BaseAddress, NULL); ASSERT(Region != NULL); @@ -2540,7 +2540,7 @@ MmProtectSectionView(PMMSUPPORT AddressSpace, *OldProtect = Region->Protect; Status = MmAlterRegion(AddressSpace, (PVOID)MA_GetStartingAddress(MemoryArea), - &MemoryArea->Data.SectionData.RegionListHead, + &MemoryArea->SectionData.RegionListHead, BaseAddress, Length, Region->Type, Protect, MmAlterViewAttributes); @@ -2559,17 +2559,17 @@ MmQuerySectionView(PMEMORY_AREA MemoryArea, PMM_SECTION_SEGMENT Segment; Region = MmFindRegion((PVOID)MA_GetStartingAddress(MemoryArea), - &MemoryArea->Data.SectionData.RegionListHead, + &MemoryArea->SectionData.RegionListHead, Address, &RegionBaseAddress); if (Region == NULL) { return STATUS_UNSUCCESSFUL; } - Section = MemoryArea->Data.SectionData.Section; + Section = MemoryArea->SectionData.Section; if (Section->u.Flags.Image) { - Segment = MemoryArea->Data.SectionData.Segment; + Segment = MemoryArea->SectionData.Segment; Info->AllocationBase = (PUCHAR)MA_GetStartingAddress(MemoryArea) - Segment->Image.VirtualAddress; Info->Type = MEM_IMAGE; } @@ -3899,15 +3899,15 @@ MmMapViewOfSegment(PMMSUPPORT AddressSpace, ObReferenceObject((PVOID)Section); - MArea->Data.SectionData.Segment = Segment; - MArea->Data.SectionData.Section = Section; - MArea->Data.SectionData.ViewOffset.QuadPart = ViewOffset; + MArea->SectionData.Segment = Segment; + MArea->SectionData.Section = Section; + MArea->SectionData.ViewOffset.QuadPart = ViewOffset; if (Section->u.Flags.Image) { MArea->VadNode.u.VadFlags.VadType = VadImageMap; } - MmInitializeRegion(&MArea->Data.SectionData.RegionListHead, + MmInitializeRegion(&MArea->SectionData.RegionListHead, ViewSize, 0, Protect); return(STATUS_SUCCESS); @@ -3936,10 +3936,10 @@ MmFreeSectionPage(PVOID Context, MEMORY_AREA* MemoryArea, PVOID Address, Address = (PVOID)PAGE_ROUND_DOWN(Address); Offset.QuadPart = ((ULONG_PTR)Address - MA_GetStartingAddress(MemoryArea)) + - MemoryArea->Data.SectionData.ViewOffset.QuadPart; + MemoryArea->SectionData.ViewOffset.QuadPart; - Section = MemoryArea->Data.SectionData.Section; - Segment = MemoryArea->Data.SectionData.Segment; + Section = MemoryArea->SectionData.Section; + Segment = MemoryArea->SectionData.Segment; Entry = MmGetPageEntrySectionSegment(Segment, &Offset); while (Entry && MM_IS_WAIT_PTE(Entry)) @@ -3963,7 +3963,7 @@ MmFreeSectionPage(PVOID Context, MEMORY_AREA* MemoryArea, PVOID Address, if (Page == PFN_FROM_SSE(Entry) && Dirty) { #ifndef NEWCC - FileObject = MemoryArea->Data.SectionData.Section->FileObject; + FileObject = MemoryArea->SectionData.Section->FileObject; SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap; CcRosMarkDirtyFile(SharedCacheMap, Offset.QuadPart + Segment->Image.FileOffset); #endif @@ -4022,8 +4022,8 @@ MmUnmapViewOfSegment(PMMSUPPORT AddressSpace, return(STATUS_UNSUCCESSFUL); } - Section = MemoryArea->Data.SectionData.Section; - Segment = MemoryArea->Data.SectionData.Segment; + Section = MemoryArea->SectionData.Section; + Segment = MemoryArea->SectionData.Segment; #ifdef NEWCC if (Segment->Flags & MM_DATAFILE_SEGMENT) @@ -4040,7 +4040,7 @@ MmUnmapViewOfSegment(PMMSUPPORT AddressSpace, MmLockSectionSegment(Segment); - RegionListHead = &MemoryArea->Data.SectionData.RegionListHead; + RegionListHead = &MemoryArea->SectionData.RegionListHead; while (!IsListEmpty(RegionListHead)) { CurrentEntry = RemoveHeadList(RegionListHead); @@ -4103,7 +4103,7 @@ MiRosUnmapViewOfSection(IN PEPROCESS Process, return STATUS_NOT_MAPPED_VIEW; } - Section = MemoryArea->Data.SectionData.Section; + Section = MemoryArea->SectionData.Section; if ((Section != NULL) && Section->u.Flags.Image) { @@ -4113,7 +4113,7 @@ MiRosUnmapViewOfSection(IN PEPROCESS Process, PMM_SECTION_SEGMENT SectionSegments; PMM_SECTION_SEGMENT Segment; - Segment = MemoryArea->Data.SectionData.Segment; + Segment = MemoryArea->SectionData.Segment; ImageSectionObject = Section->ImageSection; SectionSegments = ImageSectionObject->Segments; NrSegments = ImageSectionObject->NrSegments;

3 years, 10 months

[reactos] 10/100: [NTOSKRNL] Use PSECTION struct where possible

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=defbf63416fc622bdfbbb… commit defbf63416fc622bdfbbbe8cb0283d559cbf84a9 Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Fri Oct 23 16:39:15 2020 +0200 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Use PSECTION struct where possible --- ntoskrnl/include/internal/mm.h | 2 +- ntoskrnl/mm/ARM3/miarm.h | 2 +- ntoskrnl/mm/ARM3/procsup.c | 10 ++++------ ntoskrnl/mm/ARM3/section.c | 15 +++------------ 4 files changed, 9 insertions(+), 20 deletions(-) diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index 1fbe513524f..4ca7e6717aa 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -221,7 +221,7 @@ typedef struct _MEMORY_AREA { struct { - ROS_SECTION_OBJECT* Section; + PROS_SECTION_OBJECT Section; LARGE_INTEGER ViewOffset; PMM_SECTION_SEGMENT Segment; LIST_ENTRY RegionListHead; diff --git a/ntoskrnl/mm/ARM3/miarm.h b/ntoskrnl/mm/ARM3/miarm.h index ade2696cf1d..025cd6f6561 100644 --- a/ntoskrnl/mm/ARM3/miarm.h +++ b/ntoskrnl/mm/ARM3/miarm.h @@ -1071,7 +1071,7 @@ FORCEINLINE BOOLEAN MiIsRosSectionObject(IN PVOID Section) { - PROS_SECTION_OBJECT RosSection = Section; + PSECTION RosSection = Section; return RosSection->u.Flags.filler; } diff --git a/ntoskrnl/mm/ARM3/procsup.c b/ntoskrnl/mm/ARM3/procsup.c index a183f8a099f..eb8e68180d4 100644 --- a/ntoskrnl/mm/ARM3/procsup.c +++ b/ntoskrnl/mm/ARM3/procsup.c @@ -941,7 +941,6 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process, NTSTATUS Status = STATUS_SUCCESS; SIZE_T ViewSize = 0; PVOID ImageBase = 0; - PROS_SECTION_OBJECT SectionObject = Section; PMMPTE PointerPte; KIRQL OldIrql; PMMPDE PointerPde; @@ -1048,10 +1047,11 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process, #endif /* Check if there's a Section Object */ - if (SectionObject) + if (Section) { /* Determine the image file name and save it to EPROCESS */ - FileName = SectionObject->FileObject->FileName; + PFILE_OBJECT FileObject = MmGetFileObjectForSection(Section); + FileName = FileObject->FileName; Source = (PWCHAR)((PCHAR)FileName.Buffer + FileName.Length); if (FileName.Buffer) { @@ -1083,9 +1083,7 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process, if (AuditName) { /* Setup the audit name */ - Status = SeInitializeProcessAuditName(SectionObject->FileObject, - FALSE, - AuditName); + Status = SeInitializeProcessAuditName(FileObject, FALSE, AuditName); if (!NT_SUCCESS(Status)) { /* Fail */ diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index bff71dfe81c..1090a8dfada 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -1831,19 +1831,10 @@ MmGetFileNameForSection(IN PVOID Section, OUT POBJECT_NAME_INFORMATION *ModuleName) { PFILE_OBJECT FileObject; + PSECTION SectionObject = Section; /* Make sure it's an image section */ - if (MiIsRosSectionObject(Section) == FALSE) - { - /* Check ARM3 Section flag */ - if (((PSECTION)Section)->u.Flags.Image == 0) - { - /* It's not, fail */ - DPRINT1("Not an image section\n"); - return STATUS_SECTION_NOT_IMAGE; - } - } - else if (!(((PROS_SECTION_OBJECT)Section)->u.Flags.Image)) + if (SectionObject->u.Flags.Image == 0) { /* It's not, fail */ DPRINT1("Not an image section\n"); @@ -3594,7 +3585,7 @@ NtMapViewOfSection(IN HANDLE SectionHandle, PVOID SafeBaseAddress; LARGE_INTEGER SafeSectionOffset; SIZE_T SafeViewSize; - PROS_SECTION_OBJECT Section; + PSECTION Section; PEPROCESS Process; NTSTATUS Status; ACCESS_MASK DesiredAccess;

3 years, 10 months

[reactos] 09/100: [NTOSKRNL] Unload the cargo: We only use tiny bits of "NEWCC"

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=462d9a097483f6fdabeca… commit 462d9a097483f6fdabeca18b7aa93b6b4bc9c993 Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Fri Oct 23 16:16:51 2020 +0200 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Unload the cargo: We only use tiny bits of "NEWCC" --- ntoskrnl/cache/section/data.c | 13 ++++++++----- ntoskrnl/cache/section/fault.c | 6 ++++++ ntoskrnl/cache/section/io.c | 2 ++ ntoskrnl/include/internal/mm.h | 2 ++ ntoskrnl/mm/ARM3/section.c | 9 +++++++++ ntoskrnl/mm/marea.c | 10 ++++++++++ ntoskrnl/mm/mmfault.c | 8 ++++---- ntoskrnl/mm/mminit.c | 5 +++++ ntoskrnl/mm/rmap.c | 2 ++ ntoskrnl/mm/section.c | 31 +++++++++++++++++++++++++++++-- ntoskrnl/ntos.cmake | 10 +++++----- 11 files changed, 82 insertions(+), 16 deletions(-) diff --git a/ntoskrnl/cache/section/data.c b/ntoskrnl/cache/section/data.c index cd92979ac1c..1ec6a3326d9 100644 --- a/ntoskrnl/cache/section/data.c +++ b/ntoskrnl/cache/section/data.c @@ -112,6 +112,7 @@ _MmUnlockSectionSegment(PMM_SECTION_SEGMENT Segment, const char *file, int line) //DPRINT("MmUnlockSectionSegment(%p,%s:%d)\n", Segment, file, line); } +#ifdef NEWCC /* MiFlushMappedSection @@ -265,7 +266,6 @@ This deletes a segment entirely including its page map. It must have been unmapped in every address space. */ - VOID NTAPI MmFinalizeSegment(PMM_SECTION_SEGMENT Segment) @@ -274,6 +274,8 @@ MmFinalizeSegment(PMM_SECTION_SEGMENT Segment) DPRINT("Finalize segment %p\n", Segment); + __debugbreak(); + MmLockSectionSegment(Segment); RemoveEntryList(&Segment->ListOfSegments); if (Segment->Flags & MM_DATAFILE_SEGMENT) { @@ -303,7 +305,6 @@ MmFinalizeSegment(PMM_SECTION_SEGMENT Segment) ExFreePoolWithTag(Segment, TAG_MM_SECTION_SEGMENT); } -#ifdef NEWCC NTSTATUS NTAPI MmCreateCacheSection(PROS_SECTION_OBJECT *SectionObject, @@ -534,7 +535,6 @@ MmCreateCacheSection(PROS_SECTION_OBJECT *SectionObject, *SectionObject = Section; return STATUS_SUCCESS; } -#endif NTSTATUS NTAPI @@ -605,6 +605,7 @@ _MiMapViewOfSegment(PMMSUPPORT AddressSpace, return STATUS_SUCCESS; } +#endif /* @@ -621,6 +622,8 @@ MiFreeSegmentPage(PMM_SECTION_SEGMENT Segment, ULONG_PTR Entry; PFILE_OBJECT FileObject = Segment->FileObject; + __debugbreak(); + Entry = MmGetPageEntrySectionSegment(Segment, FileOffset); DPRINTC("MiFreeSegmentPage(%p:%I64x -> Entry %Ix\n", Segment, @@ -710,6 +713,7 @@ MmFreeCacheSectionPage(PVOID Context, } } +#ifdef NEWCC NTSTATUS NTAPI MmUnmapViewOfCacheSegment(PMMSUPPORT AddressSpace, @@ -755,7 +759,6 @@ MmUnmapViewOfCacheSegment(PMMSUPPORT AddressSpace, return STATUS_SUCCESS; } -#ifdef NEWCC NTSTATUS NTAPI MmExtendCacheSection(PROS_SECTION_OBJECT Section, @@ -793,7 +796,6 @@ MmExtendCacheSection(PROS_SECTION_OBJECT Section, MmUnlockSectionSegment(Segment); return STATUS_SUCCESS; } -#endif NTSTATUS NTAPI @@ -844,5 +846,6 @@ MmUnmapCacheViewInSystemSpace (IN PVOID MappedBase) return Status; } +#endif /* NEWCC */ /* EOF */ diff --git a/ntoskrnl/cache/section/fault.c b/ntoskrnl/cache/section/fault.c index c70805a71ae..e869dac88fb 100644 --- a/ntoskrnl/cache/section/fault.c +++ b/ntoskrnl/cache/section/fault.c @@ -82,6 +82,8 @@ rmaps, so each mapping should be immediately followed by an rmap addition. #define DPRINTC DPRINT extern KEVENT MmWaitPageEvent; + +#ifdef NEWCC extern PMMWSL MmWorkingSetList; /* @@ -150,6 +152,7 @@ MmNotPresentFaultCachePage ( if (Segment->FileObject) { + __debugbreak(); DPRINT("FileName %wZ\n", &Segment->FileObject->FileName); } @@ -453,9 +456,11 @@ MiCowCacheSectionPage ( DPRINT("Address 0x%p\n", Address); return STATUS_SUCCESS; } +#endif KEVENT MmWaitPageEvent; +#ifdef NEWCC typedef struct _WORK_QUEUE_WITH_CONTEXT { WORK_QUEUE_ITEM WorkItem; @@ -960,3 +965,4 @@ MmNotPresentFaultCacheSection(KPROCESSOR_MODE Mode, return Status; } +#endif diff --git a/ntoskrnl/cache/section/io.c b/ntoskrnl/cache/section/io.c index 20454abb905..8ac93b06134 100644 --- a/ntoskrnl/cache/section/io.c +++ b/ntoskrnl/cache/section/io.c @@ -188,6 +188,7 @@ MiSimpleRead(PFILE_OBJECT FileObject, return Status; } +#ifdef NEWCC /* Convenience function for writing from kernel space. This issues a paging @@ -334,3 +335,4 @@ _MiWriteBackPage(PFILE_OBJECT FileObject, return Status; } +#endif diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index c118866d5b5..1fbe513524f 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -69,7 +69,9 @@ typedef ULONG_PTR SWAPENTRY; #endif #define MEMORY_AREA_SECTION_VIEW (1) +#ifdef NEWCC #define MEMORY_AREA_CACHE (2) +#endif #define MEMORY_AREA_OWNED_BY_ARM3 (15) #define MEMORY_AREA_STATIC (0x80000000) diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c index d1f1e5bbaf2..bff71dfe81c 100644 --- a/ntoskrnl/mm/ARM3/section.c +++ b/ntoskrnl/mm/ARM3/section.c @@ -1666,9 +1666,14 @@ MiGetFileObjectForSectionAddress( } else { +#ifdef NEWCC ASSERT(MemoryArea->Type == MEMORY_AREA_CACHE); DPRINT1("Address is a cache section!\n"); return STATUS_SECTION_NOT_IMAGE; +#else + ASSERT(FALSE); + return STATUS_SECTION_NOT_IMAGE; +#endif } } else @@ -1739,8 +1744,12 @@ MiGetFileObjectForVad( } else { +#ifdef NEWCC ASSERT(MemoryArea->Type == MEMORY_AREA_CACHE); DPRINT1("VAD is a cache section!\n"); +#else + ASSERT(FALSE); +#endif return NULL; } } diff --git a/ntoskrnl/mm/marea.c b/ntoskrnl/mm/marea.c index d953f422f96..3736a5a36c8 100644 --- a/ntoskrnl/mm/marea.c +++ b/ntoskrnl/mm/marea.c @@ -178,7 +178,11 @@ MmInsertMemoryArea( ASSERT(Process != NULL); if (marea->Type != MEMORY_AREA_OWNED_BY_ARM3) { +#ifdef NEWCC ASSERT(marea->Type == MEMORY_AREA_SECTION_VIEW || marea->Type == MEMORY_AREA_CACHE); +#else + ASSERT(marea->Type == MEMORY_AREA_SECTION_VIEW); +#endif /* Insert the VAD */ MiLockProcessWorkingSetUnsafe(PsGetCurrentProcess(), PsGetCurrentThread()); @@ -353,7 +357,11 @@ MmFreeMemoryArea( if (MemoryArea->Vad) { ASSERT(MemoryArea->VadNode.EndingVpn + 1 < (ULONG_PTR)MmSystemRangeStart >> PAGE_SHIFT); +#ifdef NEWCC ASSERT(MemoryArea->Type == MEMORY_AREA_SECTION_VIEW || MemoryArea->Type == MEMORY_AREA_CACHE); +#else + ASSERT(MemoryArea->Type == MEMORY_AREA_SECTION_VIEW); +#endif /* MmCleanProcessAddressSpace might have removed it (and this would be MmDeleteProcessAdressSpace) */ ASSERT(MemoryArea->VadNode.u.VadFlags.Spare != 0); @@ -545,10 +553,12 @@ MiRosCleanupMemoryArea( { Status = MiRosUnmapViewOfSection(Process, BaseAddress, Process->ProcessExiting); } +#ifdef NEWCC else if (MemoryArea->Type == MEMORY_AREA_CACHE) { Status = MmUnmapViewOfCacheSegment(&Process->Vm, BaseAddress); } +#endif else { /* There shouldn't be anything else! */ diff --git a/ntoskrnl/mm/mmfault.c b/ntoskrnl/mm/mmfault.c index 68910e7a2d9..75f7b584a22 100644 --- a/ntoskrnl/mm/mmfault.c +++ b/ntoskrnl/mm/mmfault.c @@ -79,7 +79,7 @@ MmpAccessFault(KPROCESSOR_MODE Mode, MemoryArea, (PVOID)Address); break; - +#ifdef NEWCC case MEMORY_AREA_CACHE: // This code locks for itself to keep from having to break a lock // passed in. @@ -89,7 +89,7 @@ MmpAccessFault(KPROCESSOR_MODE Mode, if (!FromMdl) MmLockAddressSpace(AddressSpace); break; - +#endif default: Status = STATUS_ACCESS_VIOLATION; break; @@ -171,7 +171,7 @@ MmNotPresentFault(KPROCESSOR_MODE Mode, (PVOID)Address, FromMdl); break; - +#ifdef NEWCC case MEMORY_AREA_CACHE: // This code locks for itself to keep from having to break a lock // passed in. @@ -181,7 +181,7 @@ MmNotPresentFault(KPROCESSOR_MODE Mode, if (!FromMdl) MmLockAddressSpace(AddressSpace); break; - +#endif default: Status = STATUS_ACCESS_VIOLATION; break; diff --git a/ntoskrnl/mm/mminit.c b/ntoskrnl/mm/mminit.c index 422ba568bb9..6c1a5f274d6 100644 --- a/ntoskrnl/mm/mminit.c +++ b/ntoskrnl/mm/mminit.c @@ -214,12 +214,17 @@ MmInitSystem(IN ULONG Phase, /* Initialize the kernel address space */ ASSERT(Phase == 1); +#ifdef NEWCC InitializeListHead(&MiSegmentList); ExInitializeFastMutex(&MiGlobalPageOperation); KeInitializeEvent(&MmWaitPageEvent, SynchronizationEvent, FALSE); // Until we're fully demand paged, we can do things the old way through // the balance manager + // CcInitView will override this... MmInitializeMemoryConsumer(MC_CACHE, MiRosTrimCache); +#else + KeInitializeEvent(&MmWaitPageEvent, SynchronizationEvent, FALSE); +#endif MmKernelAddressSpace = &PsIdleProcess->Vm; diff --git a/ntoskrnl/mm/rmap.c b/ntoskrnl/mm/rmap.c index aa6a7b0d6f2..9fea631dd09 100644 --- a/ntoskrnl/mm/rmap.c +++ b/ntoskrnl/mm/rmap.c @@ -167,12 +167,14 @@ MmPageOutPhysicalAddress(PFN_NUMBER Page) */ Status = MmPageOutSectionView(AddressSpace, MemoryArea, Address, Entry); } +#ifdef NEWCC else if (Type == MEMORY_AREA_CACHE) { /* NEWCC does locking itself */ MmUnlockAddressSpace(AddressSpace); Status = MmpPageOutPhysicalAddress(Page); } +#endif else { KeBugCheck(MEMORY_MANAGEMENT); diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index fbf44868d90..32ee1f48786 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -60,6 +60,29 @@ extern MMSESSION MmSession; +#ifndef NEWCC +KEVENT MmWaitPageEvent; + +VOID +NTAPI +_MmLockSectionSegment(PMM_SECTION_SEGMENT Segment, const char *file, int line) +{ + //DPRINT("MmLockSectionSegment(%p,%s:%d)\n", Segment, file, line); + ExAcquireFastMutex(&Segment->Lock); + Segment->Locked = TRUE; +} + +VOID +NTAPI +_MmUnlockSectionSegment(PMM_SECTION_SEGMENT Segment, const char *file, int line) +{ + ASSERT(Segment->Locked); + Segment->Locked = FALSE; + ExReleaseFastMutex(&Segment->Lock); + //DPRINT("MmUnlockSectionSegment(%p,%s:%d)\n", Segment, file, line); +} +#endif + NTSTATUS NTAPI MiMapViewInSystemSpace(IN PVOID Section, @@ -4067,9 +4090,13 @@ MiRosUnmapViewOfSection(IN PEPROCESS Process, MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, BaseAddress); if (MemoryArea == NULL || - ((MemoryArea->Type != MEMORY_AREA_SECTION_VIEW) && - (MemoryArea->Type != MEMORY_AREA_CACHE)) || +#ifdef NEWCC + ((MemoryArea->Type != MEMORY_AREA_SECTION_VIEW) && (MemoryArea->Type != MEMORY_AREA_CACHE)) || +#else + (MemoryArea->Type != MEMORY_AREA_SECTION_VIEW) || +#endif MemoryArea->DeleteInProgress) + { if (MemoryArea) ASSERT(MemoryArea->Type != MEMORY_AREA_OWNED_BY_ARM3); MmUnlockAddressSpace(AddressSpace); diff --git a/ntoskrnl/ntos.cmake b/ntoskrnl/ntos.cmake index 79317e880db..2a098336288 100644 --- a/ntoskrnl/ntos.cmake +++ b/ntoskrnl/ntos.cmake @@ -28,7 +28,11 @@ if(NEWCC) ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/lazyrite.c ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/logsup.c ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/mdlsup.c - ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/pinsup.c) + ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/pinsup.c + ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/fault.c + ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/swapout.c + ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/data.c + ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/reqtools.c) else() list(APPEND SOURCE ${REACTOS_SOURCE_DIR}/ntoskrnl/cc/cacheman.c @@ -42,11 +46,7 @@ endif() list(APPEND SOURCE ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/io.c - ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/data.c - ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/fault.c - ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/reqtools.c ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/sptab.c - ${REACTOS_SOURCE_DIR}/ntoskrnl/cache/section/swapout.c ${REACTOS_SOURCE_DIR}/ntoskrnl/config/cmalloc.c ${REACTOS_SOURCE_DIR}/ntoskrnl/config/cmapi.c ${REACTOS_SOURCE_DIR}/ntoskrnl/config/cmboot.c

3 years, 10 months

[reactos] 08/100: [NTOSKRNL] Embed a SECTION struct inside MM_ROS_SECTION_OBJECT

by Jérôme Gardou

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=25722e647e0f105d77ee2… commit 25722e647e0f105d77ee28fa6d12999afe21cab8 Author: Jérôme Gardou <jerome.gardou(a)reactos.org> AuthorDate: Fri Oct 23 14:42:21 2020 +0200 Commit: Jérôme Gardou <jerome.gardou(a)reactos.org> CommitDate: Wed Feb 3 09:41:21 2021 +0100 [NTOSKRNL] Embed a SECTION struct inside MM_ROS_SECTION_OBJECT --- ntoskrnl/include/internal/mm.h | 17 +++------------- ntoskrnl/mm/ARM3/miarm.h | 3 +-- ntoskrnl/mm/section.c | 45 +++++++++++++++++++++++++----------------- 3 files changed, 31 insertions(+), 34 deletions(-) diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h index 5700ad8ff65..c118866d5b5 100644 --- a/ntoskrnl/include/internal/mm.h +++ b/ntoskrnl/include/internal/mm.h @@ -196,21 +196,10 @@ typedef struct _MM_IMAGE_SECTION_OBJECT typedef struct _ROS_SECTION_OBJECT { - CSHORT Type; - CSHORT Size; - LARGE_INTEGER SizeOfSection; - ULONG InitialPageProtection; - union - { - ULONG LongFlags; - MMSECTION_FLAGS Flags; - } u; + SECTION; PFILE_OBJECT FileObject; - union - { - PMM_IMAGE_SECTION_OBJECT ImageSection; - PMM_SECTION_SEGMENT Segment; - }; + + PMM_IMAGE_SECTION_OBJECT ImageSection; } ROS_SECTION_OBJECT, *PROS_SECTION_OBJECT; #define MA_GetStartingAddress(_MemoryArea) ((_MemoryArea)->VadNode.StartingVpn << PAGE_SHIFT) diff --git a/ntoskrnl/mm/ARM3/miarm.h b/ntoskrnl/mm/ARM3/miarm.h index b374e94ad75..ade2696cf1d 100644 --- a/ntoskrnl/mm/ARM3/miarm.h +++ b/ntoskrnl/mm/ARM3/miarm.h @@ -1072,8 +1072,7 @@ BOOLEAN MiIsRosSectionObject(IN PVOID Section) { PROS_SECTION_OBJECT RosSection = Section; - if ((RosSection->Type == 'SC') && (RosSection->Size == 'TN')) return TRUE; - return FALSE; + return RosSection->u.Flags.filler; } #define MI_IS_ROS_PFN(x) ((x)->u4.AweAllocation == TRUE) diff --git a/ntoskrnl/mm/section.c b/ntoskrnl/mm/section.c index 9920f36ddcf..fbf44868d90 100644 --- a/ntoskrnl/mm/section.c +++ b/ntoskrnl/mm/section.c @@ -2684,7 +2684,7 @@ MmpDeleteSection(PVOID ObjectBody) if (Section->Segment == NULL) return; - (void)InterlockedDecrementUL(&Section->Segment->ReferenceCount); + (void)InterlockedDecrementUL(&((PMM_SECTION_SEGMENT)Section->Segment)->ReferenceCount); } if (Section->FileObject != NULL) { @@ -2750,8 +2750,9 @@ MmCreatePhysicalMemorySection(VOID) * Initialize it */ RtlZeroMemory(PhysSection, sizeof(ROS_SECTION_OBJECT)); - PhysSection->Type = 'SC'; - PhysSection->Size = 'TN'; + + /* Mark this as a "ROS Section" */ + PhysSection->u.Flags.filler = 1; PhysSection->InitialPageProtection = PAGE_EXECUTE_READWRITE; PhysSection->u.Flags.PhysicalMemory = 1; PhysSection->SizeOfSection = SectionSize; @@ -2763,7 +2764,7 @@ MmCreatePhysicalMemorySection(VOID) return(STATUS_NO_MEMORY); } RtlZeroMemory(Segment, sizeof(MM_SECTION_SEGMENT)); - PhysSection->Segment = Segment; + PhysSection->Segment = (PSEGMENT)Segment; Segment->ReferenceCount = 1; ExInitializeFastMutex(&Segment->Lock); Segment->Image.FileOffset = 0; @@ -2865,8 +2866,9 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, * Initialize it */ RtlZeroMemory(Section, sizeof(ROS_SECTION_OBJECT)); - Section->Type = 'SC'; - Section->Size = 'TN'; + + /* Mark this as a "ROS" section */ + Section->u.Flags.filler = 1; Section->InitialPageProtection = SectionPageProtection; Section->u.Flags.File = 1; if (AllocationAttributes & SEC_NO_CHANGE) @@ -2958,7 +2960,7 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, ObDereferenceObject(FileObject); return(STATUS_NO_MEMORY); } - Section->Segment = Segment; + Section->Segment = (PSEGMENT)Segment; Segment->ReferenceCount = 1; ExInitializeFastMutex(&Segment->Lock); /* @@ -2994,7 +2996,7 @@ MmCreateDataFileSection(PROS_SECTION_OBJECT *SectionObject, Segment = (PMM_SECTION_SEGMENT)FileObject->SectionObjectPointer-> DataSectionObject; - Section->Segment = Segment; + Section->Segment = (PSEGMENT)Segment; (void)InterlockedIncrementUL(&Segment->ReferenceCount); MmLockSectionSegment(Segment); @@ -3692,8 +3694,10 @@ MmCreateImageSection(PROS_SECTION_OBJECT *SectionObject, * Initialize it */ RtlZeroMemory(Section, sizeof(ROS_SECTION_OBJECT)); - Section->Type = 'SC'; - Section->Size = 'TN'; + + /* Mark this as a "ROS" Section */ + Section->u.Flags.filler = 1; + Section->InitialPageProtection = SectionPageProtection; Section->u.Flags.File = 1; Section->u.Flags.Image = 1; @@ -4256,8 +4260,8 @@ NtQuerySection( } else { - Sbi->BaseAddress = (PVOID)RosSection->Segment->Image.VirtualAddress; - Sbi->Size.QuadPart = RosSection->Segment->Length.QuadPart; + Sbi->BaseAddress = (PVOID)((PMM_SECTION_SEGMENT)RosSection->Segment)->Image.VirtualAddress; + Sbi->Size.QuadPart = ((PMM_SECTION_SEGMENT)RosSection->Segment)->Length.QuadPart; } if (ResultLength != NULL) @@ -4557,6 +4561,8 @@ MmMapViewOfSection(IN PVOID SectionObject, } else { + PMM_SECTION_SEGMENT Segment = (PMM_SECTION_SEGMENT)Section->Segment; + /* check for write access */ if ((Protect & (PAGE_READWRITE|PAGE_EXECUTE_READWRITE)) && !(Section->InitialPageProtection & (PAGE_READWRITE|PAGE_EXECUTE_READWRITE))) @@ -4605,16 +4611,16 @@ MmMapViewOfSection(IN PVOID SectionObject, *ViewSize = PAGE_ROUND_UP(*ViewSize); - MmLockSectionSegment(Section->Segment); + MmLockSectionSegment(Segment); Status = MmMapViewOfSegment(AddressSpace, Section, - Section->Segment, + Segment, BaseAddress, *ViewSize, Protect, ViewOffset, AllocationType & (MEM_TOP_DOWN|SEC_NO_CHANGE)); - MmUnlockSectionSegment(Section->Segment); + MmUnlockSectionSegment(Segment); if (!NT_SUCCESS(Status)) { MmUnlockAddressSpace(AddressSpace); @@ -4765,6 +4771,7 @@ MmMapViewInSystemSpace (IN PVOID SectionObject, IN OUT PSIZE_T ViewSize) { PROS_SECTION_OBJECT Section; + PMM_SECTION_SEGMENT Segment; PMMSUPPORT AddressSpace; NTSTATUS Status; PAGED_CODE(); @@ -4780,6 +4787,8 @@ MmMapViewInSystemSpace (IN PVOID SectionObject, DPRINT("MmMapViewInSystemSpace() called\n"); Section = (PROS_SECTION_OBJECT)SectionObject; + Segment = (PMM_SECTION_SEGMENT)Section->Segment; + AddressSpace = MmGetKernelAddressSpace(); MmLockAddressSpace(AddressSpace); @@ -4794,19 +4803,19 @@ MmMapViewInSystemSpace (IN PVOID SectionObject, (*ViewSize) = Section->SizeOfSection.u.LowPart; } - MmLockSectionSegment(Section->Segment); + MmLockSectionSegment(Segment); Status = MmMapViewOfSegment(AddressSpace, Section, - Section->Segment, + Segment, MappedBase, *ViewSize, PAGE_READWRITE, 0, 0); - MmUnlockSectionSegment(Section->Segment); + MmUnlockSectionSegment(Segment); MmUnlockAddressSpace(AddressSpace); return Status;

3 years, 10 months

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Ros-diffs February 2021