[ros-diffs] [ion] 24609: - Implement DbgkPostFakeModuleMessages. - Stub MmGetFileNameForAddress but write documentation on how to implement it (thanks to Filip Navara). For now it always returns ntdll.dll as a testhack.
ion at svn.reactos.org
ion at svn.reactos.org
Sun Oct 22 21:53:11 CEST 2006
Author: ion
Date: Sun Oct 22 23:53:10 2006
New Revision: 24609
URL: http://svn.reactos.org/svn/reactos?rev=24609&view=rev
Log:
- Implement DbgkPostFakeModuleMessages.
- Stub MmGetFileNameForAddress but write documentation on how to implement it (thanks to Filip Navara). For now it always returns ntdll.dll as a testhack.
Modified:
trunk/reactos/ntoskrnl/dbgk/debug.c
trunk/reactos/ntoskrnl/include/internal/mm.h
trunk/reactos/ntoskrnl/mm/section.c
Modified: trunk/reactos/ntoskrnl/dbgk/debug.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/dbgk/debug.c?rev=24609&r1=24608&r2=24609&view=diff
==============================================================================
--- trunk/reactos/ntoskrnl/dbgk/debug.c (original)
+++ trunk/reactos/ntoskrnl/dbgk/debug.c Sun Oct 22 23:53:10 2006
@@ -464,8 +464,103 @@
IN PETHREAD Thread,
IN PDEBUG_OBJECT DebugObject)
{
- /* FIXME: TODO */
- return STATUS_UNSUCCESSFUL;
+ PPEB Peb = Process->Peb;
+ PPEB_LDR_DATA LdrData;
+ PLDR_DATA_TABLE_ENTRY LdrEntry;
+ PLIST_ENTRY ListHead, NextEntry;
+ DBGKM_MSG ApiMessage;
+ PDBGKM_LOAD_DLL LoadDll = &ApiMessage.LoadDll;
+ ULONG i;
+ PIMAGE_NT_HEADERS NtHeader;
+ UNICODE_STRING ModuleName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ NTSTATUS Status;
+ PAGED_CODE();
+
+ /* Quit if there's no PEB */
+ if (!Peb) return STATUS_SUCCESS;
+
+ /* Get the Loader Data List */
+ LdrData = Peb->Ldr;
+ ListHead = &LdrData->InLoadOrderModuleList;
+ NextEntry = ListHead->Flink;
+
+ /* Loop the modules */
+ i = 0;
+ while ((NextEntry != ListHead) && (i < 500))
+ {
+ /* Get the entry */
+ LdrEntry = CONTAINING_RECORD(NextEntry,
+ LDR_DATA_TABLE_ENTRY,
+ InLoadOrderLinks);
+
+ /* Setup the API Message */
+ RtlZeroMemory(&ApiMessage, sizeof(DBGKM_MSG));
+ ApiMessage.ApiNumber = DbgKmLoadDllApi;
+
+ /* Set base and clear the name */
+ LoadDll->BaseOfDll = LdrEntry->DllBase;
+ LoadDll->NamePointer = NULL;
+
+ /* Get the NT Headers */
+ NtHeader = RtlImageNtHeader(LoadDll->BaseOfDll);
+ if (NtHeader)
+ {
+ /* Save debug data */
+ LoadDll->DebugInfoFileOffset = NtHeader->FileHeader.
+ PointerToSymbolTable;
+ LoadDll->DebugInfoSize = NtHeader->FileHeader.NumberOfSymbols;
+ }
+
+ /* Get the name of the DLL */
+ Status = MmGetFileNameForAddress(NtHeader, &ModuleName);
+ if (NT_SUCCESS(Status))
+ {
+ /* Setup the object attributes */
+ InitializeObjectAttributes(&ObjectAttributes,
+ &ModuleName,
+ OBJ_FORCE_ACCESS_CHECK |
+ OBJ_KERNEL_HANDLE |
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ /* Open the file to get a handle to it */
+ Status = ZwOpenFile(&LoadDll->FileHandle,
+ GENERIC_READ | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ |
+ FILE_SHARE_WRITE |
+ FILE_SHARE_DELETE,
+ FILE_SYNCHRONOUS_IO_NONALERT);
+ if (!NT_SUCCESS(Status)) LoadDll->FileHandle = NULL;
+
+ /* Free the name now */
+ ExFreePool(ModuleName.Buffer);
+ }
+
+ /* Send the fake module load message */
+ Status = DbgkpQueueMessage(Process,
+ Thread,
+ &ApiMessage,
+ 2,
+ DebugObject);
+ if (!NT_SUCCESS(Status))
+ {
+ /* Message send failed, close the file handle if we had one */
+ if (LoadDll->FileHandle) ObCloseHandle(LoadDll->FileHandle,
+ KernelMode);
+ }
+
+ /* Go to the next module */
+ NextEntry = NextEntry->Flink;
+ i++;
+ }
+
+ /* Return success */
+ return STATUS_SUCCESS;
}
NTSTATUS
Modified: trunk/reactos/ntoskrnl/include/internal/mm.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/mm.h?rev=24609&r1=24608&r2=24609&view=diff
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/mm.h (original)
+++ trunk/reactos/ntoskrnl/include/internal/mm.h Sun Oct 22 23:53:10 2006
@@ -1315,6 +1315,12 @@
MmGetFileObjectForSection(
IN PROS_SECTION_OBJECT Section
);
+NTSTATUS
+NTAPI
+MmGetFileNameForAddress(
+ IN PVOID Address,
+ OUT PUNICODE_STRING ModuleName
+);
PVOID
NTAPI
Modified: trunk/reactos/ntoskrnl/mm/section.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/section.c?rev=24609&r1=24608&r2=24609&view=diff
==============================================================================
--- trunk/reactos/ntoskrnl/mm/section.c (original)
+++ trunk/reactos/ntoskrnl/mm/section.c Sun Oct 22 23:53:10 2006
@@ -106,9 +106,26 @@
return Section->FileObject; // Section->ControlArea->FileObject on NT
}
-
-
-
+NTSTATUS
+NTAPI
+MmGetFileNameForAddress(IN PVOID Address,
+ OUT PUNICODE_STRING ModuleName)
+{
+ /*
+ * FIXME: TODO.
+ * Filip says to get the MADDRESS_SPACE from EPROCESS,
+ * then use the MmMarea routines to locate the Marea that
+ * corresponds to the address. Then make sure it's a section
+ * view type (MEMORY_AREA_SECTION_VIEW) and use the marea's
+ * per-type union to get the .u.SectionView.Section pointer to
+ * the SECTION_OBJECT. Then we can use MmGetFileObjectForSection
+ * to get the FILE_OBJECT, from which we can then query the name
+ * to get the full filename (much like we do for creating the
+ * SeAuditName in EPROCESS.
+ */
+ RtlCreateUnicodeString(ModuleName, L"C:\\ReactOS\\system32\\ntdll.dll");
+ return STATUS_SUCCESS;
+}
/* Note: Mmsp prefix denotes "Memory Manager Section Private". */
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