mirror of
https://github.com/reactos/reactos.git
synced 2025-02-24 17:34:57 +00:00
Implemented MmMapViewOfSection().
svn path=/trunk/; revision=2368
This commit is contained in:
Eric Kohl
parent
0de577f6cd
commit
709cd514ab
2 changed files with 181 additions and 130 deletions
|
|
@ -1,6 +1,6 @@
|
|||
#ifndef _INCLUDE_DDK_MMFUNCS_H
|
||||
#define _INCLUDE_DDK_MMFUNCS_H
|
||||
/* $Id: mmfuncs.h,v 1.10 2001/06/22 12:39:47 ekohl Exp $ */
|
||||
/* $Id: mmfuncs.h,v 1.11 2001/11/13 22:46:24 ekohl Exp $ */
|
||||
/* MEMORY MANAGMENT ******************************************************/
|
||||
|
||||
|
||||
|
|
@ -366,19 +366,19 @@ MmMapViewInSystemSpace (
|
|||
OUT PVOID * MappedBase,
|
||||
IN PULONG ViewSize
|
||||
);
|
||||
PVOID
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
MmMapViewOfSection (
|
||||
DWORD Unknown0,
|
||||
DWORD Unknown1,
|
||||
DWORD Unknown2,
|
||||
DWORD Unknown3,
|
||||
DWORD Unknown4,
|
||||
DWORD Unknown5,
|
||||
DWORD Unknown6,
|
||||
DWORD Unknown7,
|
||||
DWORD Unknown8,
|
||||
DWORD Unknown9
|
||||
IN PVOID SectionObject,
|
||||
IN PEPROCESS Process,
|
||||
IN OUT PVOID * BaseAddress,
|
||||
IN ULONG ZeroBits,
|
||||
IN ULONG CommitSize,
|
||||
IN OUT PLARGE_INTEGER SectionOffset OPTIONAL,
|
||||
IN OUT PULONG ViewSize,
|
||||
IN SECTION_INHERIT InheritDisposition,
|
||||
IN ULONG AllocationType,
|
||||
IN ULONG Protect
|
||||
);
|
||||
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -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 1.65 2001/10/31 01:03:04 dwelch Exp $
|
||||
/* $Id: section.c,v 1.66 2001/11/13 22:46:49 ekohl Exp $
|
||||
*
|
||||
* PROJECT: ReactOS kernel
|
||||
* FILE: ntoskrnl/mm/section.c
|
||||
|
|
@ -786,8 +786,8 @@ MmAccessFaultSectionView(PMADDRESS_SPACE AddressSpace,
|
|||
*/
|
||||
MmLockAddressSpace(AddressSpace);
|
||||
MmReleasePageOp(PageOp);
|
||||
return(STATUS_MM_RESTART_OPERATION);
|
||||
}
|
||||
return(STATUS_MM_RESTART_OPERATION);
|
||||
}
|
||||
|
||||
/*
|
||||
* Release locks now we have the pageop
|
||||
|
|
@ -1744,7 +1744,7 @@ MmMapViewOfSegment(PEPROCESS Process,
|
|||
MArea->Data.SectionData.ViewOffset = ViewOffset;
|
||||
|
||||
return(STATUS_SUCCESS);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
|
|
@ -1752,7 +1752,7 @@ MmMapViewOfSegment(PEPROCESS Process,
|
|||
* NtMapViewOfSection
|
||||
*
|
||||
* DESCRIPTION
|
||||
* Maps a view of a section into the virtual address space of a
|
||||
* Maps a view of a section into the virtual address space of a
|
||||
* process.
|
||||
*
|
||||
* ARGUMENTS
|
||||
|
|
@ -1783,8 +1783,8 @@ MmMapViewOfSegment(PEPROCESS Process,
|
|||
*
|
||||
* InheritDisposition
|
||||
* Specified how the view is to be shared with
|
||||
* child processes.
|
||||
*
|
||||
* child processes.
|
||||
*
|
||||
* AllocateType
|
||||
* Type of allocation for the pages.
|
||||
*
|
||||
|
|
@ -1794,7 +1794,7 @@ MmMapViewOfSegment(PEPROCESS Process,
|
|||
* RETURN VALUE
|
||||
* Status.
|
||||
*/
|
||||
NTSTATUS STDCALL
|
||||
NTSTATUS STDCALL
|
||||
NtMapViewOfSection(HANDLE SectionHandle,
|
||||
HANDLE ProcessHandle,
|
||||
PVOID* BaseAddress,
|
||||
|
|
@ -1805,11 +1805,10 @@ NtMapViewOfSection(HANDLE SectionHandle,
|
|||
SECTION_INHERIT InheritDisposition,
|
||||
ULONG AllocationType,
|
||||
ULONG Protect)
|
||||
{
|
||||
{
|
||||
PSECTION_OBJECT Section;
|
||||
PEPROCESS Process;
|
||||
NTSTATUS Status;
|
||||
ULONG ViewOffset;
|
||||
PMADDRESS_SPACE AddressSpace;
|
||||
|
||||
Status = ObReferenceObjectByHandle(ProcessHandle,
|
||||
|
|
@ -1837,97 +1836,22 @@ NtMapViewOfSection(HANDLE SectionHandle,
|
|||
ObDereferenceObject(Process);
|
||||
return(Status);
|
||||
}
|
||||
|
||||
MmLockAddressSpace(AddressSpace);
|
||||
MmLockSection(Section);
|
||||
|
||||
if (Section->Flags & MM_IMAGE_SECTION)
|
||||
{
|
||||
ULONG i;
|
||||
|
||||
for (i = 0; i < Section->NrSegments; i++)
|
||||
{
|
||||
PVOID SBaseAddress;
|
||||
|
||||
if (!(Section->Segments[i].Characteristics & IMAGE_SECTION_NOLOAD))
|
||||
{
|
||||
SBaseAddress = (PVOID)
|
||||
((ULONG)Section->ImageBase +
|
||||
(ULONG)Section->Segments[i].VirtualAddress);
|
||||
|
||||
MmLockSectionSegment(&Section->Segments[i]);
|
||||
Status = MmMapViewOfSegment(Process,
|
||||
&Process->AddressSpace,
|
||||
Section,
|
||||
&Section->Segments[i],
|
||||
&SBaseAddress,
|
||||
Section->Segments[i].Length,
|
||||
Section->Segments[i].Protection,
|
||||
Section->Segments[i].FileOffset);
|
||||
MmUnlockSectionSegment(&Section->Segments[i]);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
return(Status);
|
||||
}
|
||||
}
|
||||
}
|
||||
*BaseAddress = Section->ImageBase;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (SectionOffset == NULL)
|
||||
{
|
||||
ViewOffset = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
ViewOffset = SectionOffset->u.LowPart;
|
||||
}
|
||||
|
||||
if ((ViewOffset % PAGESIZE) != 0)
|
||||
{
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
return(STATUS_MAPPED_ALIGNMENT);
|
||||
}
|
||||
|
||||
if (((*ViewSize)+ViewOffset) > Section->MaximumSize.u.LowPart)
|
||||
{
|
||||
(*ViewSize) = Section->MaximumSize.u.LowPart - ViewOffset;
|
||||
}
|
||||
|
||||
MmLockSectionSegment(Section->Segments);
|
||||
Status = MmMapViewOfSegment(Process,
|
||||
&Process->AddressSpace,
|
||||
Section,
|
||||
Section->Segments,
|
||||
BaseAddress,
|
||||
*ViewSize,
|
||||
Protect,
|
||||
ViewOffset);
|
||||
MmUnlockSectionSegment(Section->Segments);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
return(Status);
|
||||
}
|
||||
}
|
||||
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
Status = MmMapViewOfSection(Section,
|
||||
Process,
|
||||
BaseAddress,
|
||||
ZeroBits,
|
||||
CommitSize,
|
||||
SectionOffset,
|
||||
ViewSize,
|
||||
InheritDisposition,
|
||||
AllocationType,
|
||||
Protect);
|
||||
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
ObDereferenceObject(Process);
|
||||
|
||||
return(STATUS_SUCCESS);
|
||||
return(Status);
|
||||
}
|
||||
|
||||
VOID STATIC
|
||||
|
|
@ -2037,7 +1961,7 @@ MmUnmapViewOfSection(PEPROCESS Process,
|
|||
* REVISIONS
|
||||
*
|
||||
*/
|
||||
NTSTATUS STDCALL
|
||||
NTSTATUS STDCALL
|
||||
NtUnmapViewOfSection (HANDLE ProcessHandle,
|
||||
PVOID BaseAddress)
|
||||
{
|
||||
|
|
@ -2068,7 +1992,7 @@ NtUnmapViewOfSection (HANDLE ProcessHandle,
|
|||
}
|
||||
|
||||
|
||||
NTSTATUS STDCALL
|
||||
NTSTATUS STDCALL
|
||||
NtQuerySection (IN HANDLE SectionHandle,
|
||||
IN CINT SectionInformationClass,
|
||||
OUT PVOID SectionInformation,
|
||||
|
|
@ -2235,32 +2159,159 @@ MmAllocateSection (IN ULONG Length)
|
|||
|
||||
/**********************************************************************
|
||||
* NAME EXPORTED
|
||||
* MmMapViewOfSection@40
|
||||
* MmMapViewOfSection
|
||||
*
|
||||
* DESCRIPTION
|
||||
* Maps a view of a section into the virtual address space of a
|
||||
* process.
|
||||
*
|
||||
* ARGUMENTS
|
||||
* FIXME: stack space allocated is 40 bytes, but nothing
|
||||
* is known about what they are filled with.
|
||||
* Section
|
||||
* Pointer to the section object.
|
||||
*
|
||||
* ProcessHandle
|
||||
* Pointer to the process.
|
||||
*
|
||||
* BaseAddress
|
||||
* Desired base address (or NULL) on entry;
|
||||
* Actual base address of the view on exit.
|
||||
*
|
||||
* ZeroBits
|
||||
* Number of high order address bits that must be zero.
|
||||
*
|
||||
* CommitSize
|
||||
* Size in bytes of the initially committed section of
|
||||
* the view.
|
||||
*
|
||||
* SectionOffset
|
||||
* Offset in bytes from the beginning of the section
|
||||
* to the beginning of the view.
|
||||
*
|
||||
* ViewSize
|
||||
* Desired length of map (or zero to map all) on entry
|
||||
* Actual length mapped on exit.
|
||||
*
|
||||
* InheritDisposition
|
||||
* Specified how the view is to be shared with
|
||||
* child processes.
|
||||
*
|
||||
* AllocationType
|
||||
* Type of allocation for the pages.
|
||||
*
|
||||
* Protect
|
||||
* Protection for the committed region of the view.
|
||||
*
|
||||
* RETURN VALUE
|
||||
* Status.
|
||||
*
|
||||
* Status.
|
||||
*/
|
||||
PVOID STDCALL
|
||||
MmMapViewOfSection (DWORD Unknown0,
|
||||
DWORD Unknown1,
|
||||
DWORD Unknown2,
|
||||
DWORD Unknown3,
|
||||
DWORD Unknown4,
|
||||
DWORD Unknown5,
|
||||
DWORD Unknown6,
|
||||
DWORD Unknown7,
|
||||
DWORD Unknown8,
|
||||
DWORD Unknown9)
|
||||
NTSTATUS STDCALL
|
||||
MmMapViewOfSection(IN PVOID SectionObject,
|
||||
IN PEPROCESS Process,
|
||||
IN OUT PVOID *BaseAddress,
|
||||
IN ULONG ZeroBits,
|
||||
IN ULONG CommitSize,
|
||||
IN OUT PLARGE_INTEGER SectionOffset OPTIONAL,
|
||||
IN OUT PULONG ViewSize,
|
||||
IN SECTION_INHERIT InheritDisposition,
|
||||
IN ULONG AllocationType,
|
||||
IN ULONG Protect)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
return (NULL);
|
||||
PSECTION_OBJECT Section;
|
||||
PMADDRESS_SPACE AddressSpace;
|
||||
ULONG ViewOffset;
|
||||
NTSTATUS Status;
|
||||
|
||||
Section = (PSECTION_OBJECT)SectionObject;
|
||||
AddressSpace = &Process->AddressSpace;
|
||||
|
||||
MmLockAddressSpace(AddressSpace);
|
||||
MmLockSection(SectionObject);
|
||||
|
||||
if (Section->Flags & MM_IMAGE_SECTION)
|
||||
{
|
||||
ULONG i;
|
||||
|
||||
for (i = 0; i < Section->NrSegments; i++)
|
||||
{
|
||||
PVOID SBaseAddress;
|
||||
|
||||
if (!(Section->Segments[i].Characteristics & IMAGE_SECTION_NOLOAD))
|
||||
{
|
||||
SBaseAddress = (PVOID)
|
||||
((ULONG)Section->ImageBase +
|
||||
(ULONG)Section->Segments[i].VirtualAddress);
|
||||
|
||||
MmLockSectionSegment(&Section->Segments[i]);
|
||||
Status = MmMapViewOfSegment(Process,
|
||||
&Process->AddressSpace,
|
||||
Section,
|
||||
&Section->Segments[i],
|
||||
&SBaseAddress,
|
||||
Section->Segments[i].Length,
|
||||
Section->Segments[i].Protection,
|
||||
Section->Segments[i].FileOffset);
|
||||
MmUnlockSectionSegment(&Section->Segments[i]);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
return(Status);
|
||||
}
|
||||
}
|
||||
}
|
||||
*BaseAddress = Section->ImageBase;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (SectionOffset == NULL)
|
||||
{
|
||||
ViewOffset = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
ViewOffset = SectionOffset->u.LowPart;
|
||||
}
|
||||
|
||||
if ((ViewOffset % PAGESIZE) != 0)
|
||||
{
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
return(STATUS_MAPPED_ALIGNMENT);
|
||||
}
|
||||
|
||||
if (((*ViewSize)+ViewOffset) > Section->MaximumSize.u.LowPart)
|
||||
{
|
||||
(*ViewSize) = Section->MaximumSize.u.LowPart - ViewOffset;
|
||||
}
|
||||
|
||||
MmLockSectionSegment(Section->Segments);
|
||||
Status = MmMapViewOfSegment(Process,
|
||||
&Process->AddressSpace,
|
||||
Section,
|
||||
Section->Segments,
|
||||
BaseAddress,
|
||||
*ViewSize,
|
||||
Protect,
|
||||
ViewOffset);
|
||||
MmUnlockSectionSegment(Section->Segments);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
ObDereferenceObject(Section);
|
||||
ObDereferenceObject(Process);
|
||||
return(Status);
|
||||
}
|
||||
}
|
||||
|
||||
MmUnlockSection(Section);
|
||||
MmUnlockAddressSpace(AddressSpace);
|
||||
|
||||
return(STATUS_SUCCESS);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue