[ion] 25881: - Move some Mm routines from pe.c to sysldr.c where they belong. - Create and initialize Mm Loader lock. - Re-arrange some code in MmLoadSystemImage, no code changes yet. - Add new LDRP_ flags for LDR_DATA_TABLE_ENTRY to the NDK.
22 Feb
2007
22 Feb
'07
8:55 p.m.
Author: ion
Date: Thu Feb 22 23:55:02 2007
New Revision: 25881
URL: http://svn.reactos.org/svn/reactos?rev=25881&view=rev
Log:
- Move some Mm routines from pe.c to sysldr.c where they belong.
- Create and initialize Mm Loader lock.
- Re-arrange some code in MmLoadSystemImage, no code changes yet.
- Add new LDRP_ flags for LDR_DATA_TABLE_ENTRY to the NDK.
Modified:
trunk/reactos/include/ndk/ldrtypes.h
trunk/reactos/ntoskrnl/ldr/loader.c
trunk/reactos/ntoskrnl/mm/mminit.c
trunk/reactos/ntoskrnl/mm/pe.c
trunk/reactos/ntoskrnl/mm/sysldr.c
Modified: trunk/reactos/include/ndk/ldrtypes.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/ndk/ldrtypes.h?rev…
==============================================================================
--- trunk/reactos/include/ndk/ldrtypes.h (original)
+++ trunk/reactos/include/ndk/ldrtypes.h Thu Feb 22 23:55:02 2007
@@ -49,8 +49,14 @@
#define LDRP_IMAGE_NOT_AT_BASE 0x00200000
#define LDRP_COR_IMAGE 0x00400000
#define LDR_COR_OWNS_UNMAP 0x00800000
-#define LDRP_DRIVER_VERIFYING 0x02000000
+#define LDRP_SYSTEM_MAPPED 0x01000000
+#define LDRP_IMAGE_VERIFYING 0x02000000
+#define LDRP_DRIVER_DEPENDENT_DLL 0x04000000
+#define LDRP_ENTRY_NATIVE 0x08800000
#define LDRP_REDIRECTED 0x10000000
+#define LDRP_NON_PAGED_DEBUG_INFO 0x20000000
+#define LDRP_MM_LOADED 0x40000000
+#define LDRP_COMPAT_DATABASE_PROCESSED 0x80000000
//
// Dll Characteristics for LdrLoadDll
Modified: trunk/reactos/ntoskrnl/ldr/loader.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ldr/loader.c?rev=…
==============================================================================
--- trunk/reactos/ntoskrnl/ldr/loader.c (original)
+++ trunk/reactos/ntoskrnl/ldr/loader.c Thu Feb 22 23:55:02 2007
@@ -201,11 +201,71 @@
PLOAD_IMPORTS LoadedImports = (PVOID)-2;
PCHAR MissingApiName, Buffer;
PWCHAR MissingDriverName;
+ PAGED_CODE();
+
+ /* Detect session-load */
+ if (Flags)
+ {
+ /* Sanity checks */
+ ASSERT(NamePrefix == NULL);
+ ASSERT(LoadedName == NULL);
+
+ /* Make sure the process is in session too */
+ if (!PsGetCurrentProcess()->ProcessInSession) return STATUS_NO_MEMORY;
+ }
if (ModuleObject) *ModuleObject = NULL;
if (ImageBaseAddress) *ImageBaseAddress = NULL;
- DPRINT("Loading Module %wZ...\n", FileName);
+ /* Allocate a buffer we'll use for names */
+ Buffer = ExAllocatePoolWithTag(NonPagedPool, MAX_PATH, TAG_LDR_WSTR);
+ if (!Buffer)
+ {
+ /* Fail */
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ /* Check for a separator */
+ if (FileName->Buffer[0] == OBJ_NAME_PATH_SEPARATOR)
+ {
+ PWCHAR p;
+ ULONG BaseLength;
+
+ /* Loop the path until we get to the base name */
+ p = &FileName->Buffer[FileName->Length / sizeof(WCHAR)];
+ while (*(p - 1) != OBJ_NAME_PATH_SEPARATOR) p--;
+
+ /* Get the length */
+ BaseLength = (ULONG)(&FileName->Buffer[FileName->Length /
sizeof(WCHAR)] - p);
+ BaseLength *= sizeof(WCHAR);
+
+ /* Setup the string */
+ BaseName.Length = (USHORT)BaseLength;
+ BaseName.Buffer = p;
+ }
+ else
+ {
+ /* Otherwise, we already have a base name */
+ BaseName.Length = FileName->Length;
+ BaseName.Buffer = FileName->Buffer;
+ }
+
+ /* Setup the maximum length */
+ BaseName.MaximumLength = BaseName.Length;
+
+ /* Now compute the base directory */
+ BaseDirectory = *FileName;
+ BaseDirectory.Length -= BaseName.Length;
+ BaseDirectory.MaximumLength = BaseDirectory.Length;
+
+ /* And the prefix, which for now is just the name itself */
+ PrefixName = *FileName;
+
+ /* Check if we have a prefix */
+ if (NamePrefix) DPRINT1("Prefixed images are not yet supported!\n");
+
+ /* Check if we already have a name, use it instead */
+ if (LoadedName) BaseName = *LoadedName;
/* Open the Module */
InitializeObjectAttributes(&ObjectAttributes,
@@ -370,50 +430,6 @@
return Status;
}
- /* Allocate a buffer we'll use for names */
- Buffer = ExAllocatePoolWithTag(NonPagedPool, MAX_PATH, TAG_LDR_WSTR);
- if (!Buffer)
- {
- /* Fail */
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* Check for a separator */
- if (FileName->Buffer[0] == OBJ_NAME_PATH_SEPARATOR)
- {
- PWCHAR p;
- ULONG BaseLength;
-
- /* Loop the path until we get to the base name */
- p = &FileName->Buffer[FileName->Length / sizeof(WCHAR)];
- while (*(p - 1) != OBJ_NAME_PATH_SEPARATOR) p--;
-
- /* Get the length */
- BaseLength = (ULONG)(&FileName->Buffer[FileName->Length /
sizeof(WCHAR)] - p);
- BaseLength *= sizeof(WCHAR);
-
- /* Setup the string */
- BaseName.Length = (USHORT)BaseLength;
- BaseName.Buffer = p;
- }
- else
- {
- /* Otherwise, we already have a base name */
- BaseName.Length = FileName->Length;
- BaseName.Buffer = FileName->Buffer;
- }
-
- /* Setup the maximum length */
- BaseName.MaximumLength = BaseName.Length;
-
- /* Now compute the base directory */
- BaseDirectory = *FileName;
- BaseDirectory.Length -= BaseName.Length;
- BaseDirectory.MaximumLength = BaseDirectory.Length;
-
- /* And the prefix */
- PrefixName = *FileName;
-
/* Calculate the size we'll need for the entry and allocate it */
EntrySize = sizeof(LDR_DATA_TABLE_ENTRY) +
BaseName.Length +
Modified: trunk/reactos/ntoskrnl/mm/mminit.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/mminit.c?rev=2…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/mminit.c (original)
+++ trunk/reactos/ntoskrnl/mm/mminit.c Thu Feb 22 23:55:02 2007
@@ -453,6 +453,7 @@
}
BOOLEAN RmapReady, PageOpReady, SectionsReady, PagingReady;
+extern KMUTANT MmSystemLoadLock;
BOOLEAN
NTAPI
@@ -461,6 +462,9 @@
{
if (Phase == 0)
{
+ /* Initialize the Loader Lock */
+ KeInitializeMutant(&MmSystemLoadLock, FALSE);
+
/* Reload boot drivers */
MiReloadBootLoadedDrivers(LoaderBlock);
Modified: trunk/reactos/ntoskrnl/mm/pe.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/pe.c?rev=25881…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/pe.c (original)
+++ trunk/reactos/ntoskrnl/mm/pe.c Thu Feb 22 23:55:02 2007
@@ -677,108 +677,4 @@
return nStatus;
}
-BOOLEAN
-NTAPI
-MmVerifyImageIsOkForMpUse(IN PVOID BaseAddress)
-{
- PIMAGE_NT_HEADERS NtHeader;
- PAGED_CODE();
-
- /* Get NT Headers */
- NtHeader = RtlImageNtHeader(BaseAddress);
- if (NtHeader)
- {
- /* Check if this image is only safe for UP while we have 2+ CPUs */
- if ((KeNumberProcessors > 1) &&
- (NtHeader->FileHeader.Characteristics & IMAGE_FILE_UP_SYSTEM_ONLY))
- {
- /* Fail */
- return FALSE;
- }
- }
-
- /* Otherwise, it's safe */
- return TRUE;
-}
-
-NTSTATUS
-NTAPI
-MmCheckSystemImage(IN HANDLE ImageHandle,
- IN BOOLEAN PurgeSection)
-{
- NTSTATUS Status;
- HANDLE SectionHandle;
- PVOID ViewBase = NULL;
- SIZE_T ViewSize = 0;
- IO_STATUS_BLOCK IoStatusBlock;
- FILE_STANDARD_INFORMATION FileStandardInfo;
- KAPC_STATE ApcState;
- PAGED_CODE();
-
- /* Create a section for the DLL */
- Status = ZwCreateSection(&SectionHandle,
- SECTION_MAP_EXECUTE,
- NULL,
- NULL,
- PAGE_EXECUTE,
- SEC_COMMIT,
- ImageHandle);
- if (!NT_SUCCESS(Status)) return Status;
-
- /* Make sure we're in the system process */
- KeStackAttachProcess(&PsInitialSystemProcess->Pcb, &ApcState);
-
- /* Map it */
- Status = ZwMapViewOfSection(SectionHandle,
- NtCurrentProcess(),
- &ViewBase,
- 0,
- 0,
- NULL,
- &ViewSize,
- ViewShare,
- 0,
- PAGE_EXECUTE);
- if (!NT_SUCCESS(Status))
- {
- /* We failed, close the handle and return */
- KeUnstackDetachProcess(&ApcState);
- ZwClose(SectionHandle);
- return Status;
- }
-
- /* Now query image information */
- Status = ZwQueryInformationFile(ImageHandle,
- &IoStatusBlock,
- &FileStandardInfo,
- sizeof(FileStandardInfo),
- FileStandardInformation);
- if ( NT_SUCCESS(Status) )
- {
- /* First, verify the checksum */
- if (!LdrVerifyMappedImageMatchesChecksum(ViewBase,
- FileStandardInfo.
- EndOfFile.LowPart,
- FileStandardInfo.
- EndOfFile.LowPart))
- {
- /* Set checksum failure */
- Status = STATUS_IMAGE_CHECKSUM_MISMATCH;
- }
-
- /* Check that it's a valid SMP image if we have more then one CPU */
- if (!MmVerifyImageIsOkForMpUse(ViewBase))
- {
- /* Otherwise it's not the right image */
- Status = STATUS_IMAGE_MP_UP_MISMATCH;
- }
- }
-
- /* Unmap the section, close the handle, and return status */
- ZwUnmapViewOfSection(NtCurrentProcess(), ViewBase);
- KeUnstackDetachProcess(&ApcState);
- ZwClose(SectionHandle);
- return Status;
-}
-
/* EOF */
Modified: trunk/reactos/ntoskrnl/mm/sysldr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/sysldr.c?rev=2…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/sysldr.c (original)
+++ trunk/reactos/ntoskrnl/mm/sysldr.c Thu Feb 22 23:55:02 2007
@@ -17,6 +17,7 @@
LIST_ENTRY PsLoadedModuleList;
KSPIN_LOCK PsLoadedModuleSpinLock;
PVOID PsNtosImageBase;
+KMUTANT MmSystemLoadLock;
/* FUNCTIONS *****************************************************************/
@@ -914,3 +915,107 @@
/* We're done */
return TRUE;
}
+
+BOOLEAN
+NTAPI
+MmVerifyImageIsOkForMpUse(IN PVOID BaseAddress)
+{
+ PIMAGE_NT_HEADERS NtHeader;
+ PAGED_CODE();
+
+ /* Get NT Headers */
+ NtHeader = RtlImageNtHeader(BaseAddress);
+ if (NtHeader)
+ {
+ /* Check if this image is only safe for UP while we have 2+ CPUs */
+ if ((KeNumberProcessors > 1) &&
+ (NtHeader->FileHeader.Characteristics & IMAGE_FILE_UP_SYSTEM_ONLY))
+ {
+ /* Fail */
+ return FALSE;
+ }
+ }
+
+ /* Otherwise, it's safe */
+ return TRUE;
+}
+
+NTSTATUS
+NTAPI
+MmCheckSystemImage(IN HANDLE ImageHandle,
+ IN BOOLEAN PurgeSection)
+{
+ NTSTATUS Status;
+ HANDLE SectionHandle;
+ PVOID ViewBase = NULL;
+ SIZE_T ViewSize = 0;
+ IO_STATUS_BLOCK IoStatusBlock;
+ FILE_STANDARD_INFORMATION FileStandardInfo;
+ KAPC_STATE ApcState;
+ PAGED_CODE();
+
+ /* Create a section for the DLL */
+ Status = ZwCreateSection(&SectionHandle,
+ SECTION_MAP_EXECUTE,
+ NULL,
+ NULL,
+ PAGE_EXECUTE,
+ SEC_COMMIT,
+ ImageHandle);
+ if (!NT_SUCCESS(Status)) return Status;
+
+ /* Make sure we're in the system process */
+ KeStackAttachProcess(&PsInitialSystemProcess->Pcb, &ApcState);
+
+ /* Map it */
+ Status = ZwMapViewOfSection(SectionHandle,
+ NtCurrentProcess(),
+ &ViewBase,
+ 0,
+ 0,
+ NULL,
+ &ViewSize,
+ ViewShare,
+ 0,
+ PAGE_EXECUTE);
+ if (!NT_SUCCESS(Status))
+ {
+ /* We failed, close the handle and return */
+ KeUnstackDetachProcess(&ApcState);
+ ZwClose(SectionHandle);
+ return Status;
+ }
+
+ /* Now query image information */
+ Status = ZwQueryInformationFile(ImageHandle,
+ &IoStatusBlock,
+ &FileStandardInfo,
+ sizeof(FileStandardInfo),
+ FileStandardInformation);
+ if ( NT_SUCCESS(Status) )
+ {
+ /* First, verify the checksum */
+ if (!LdrVerifyMappedImageMatchesChecksum(ViewBase,
+ FileStandardInfo.
+ EndOfFile.LowPart,
+ FileStandardInfo.
+ EndOfFile.LowPart))
+ {
+ /* Set checksum failure */
+ Status = STATUS_IMAGE_CHECKSUM_MISMATCH;
+ }
+
+ /* Check that it's a valid SMP image if we have more then one CPU */
+ if (!MmVerifyImageIsOkForMpUse(ViewBase))
+ {
+ /* Otherwise it's not the right image */
+ Status = STATUS_IMAGE_MP_UP_MISMATCH;
+ }
+ }
+
+ /* Unmap the section, close the handle, and return status */
+ ZwUnmapViewOfSection(NtCurrentProcess(), ViewBase);
+ KeUnstackDetachProcess(&ApcState);
+ ZwClose(SectionHandle);
+ return Status;
+}
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