Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-07-06 12:45:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

- Implement VirtualMemoryInformationClass of MemorySectionName for NtQueryVirtualMemory.

Browse source 
svn path=/trunk/; revision=37073
This commit is contained in:
Michael Martin 2008-10-29 19:50:55 +00:00
parent dfaa1abe89
commit 2964e2ab1a
1 changed files with 55 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

62
reactos/ntoskrnl/mm/virtual.c
View file

@ -947,6 +947,9 @@ NtQueryVirtualMemory(IN HANDLE ProcessHandle,
NTSTATUS Status = STATUS_SUCCESS;
SIZE_T ResultLength = 0;
KPROCESSOR_MODE PreviousMode;
WCHAR ModuleFileNameBuffer[MAX_PATH] = {0};
UNICODE_STRING ModuleFileName;
PMEMORY_SECTION_NAME SectionName = NULL;
union
{
MEMORY_BASIC_INFORMATION BasicInfo;
@ -985,13 +988,58 @@ NtQueryVirtualMemory(IN HANDLE ProcessHandle,
return STATUS_INVALID_PARAMETER;
}
Status = MiQueryVirtualMemory(ProcessHandle,
Address,
VirtualMemoryInformationClass,
&VirtualMemoryInfo,
Length,
&ResultLength );
/* FIXME: Move this inside MiQueryVirtualMemory */
if (VirtualMemoryInformationClass == MemorySectionName)
{
RtlInitEmptyUnicodeString(&ModuleFileName, ModuleFileNameBuffer, sizeof(ModuleFileNameBuffer));
Status = MmGetFileNameForAddress(Address, &ModuleFileName);
if (NT_SUCCESS(Status))
{
SectionName = VirtualMemoryInformation;
if (PreviousMode != KernelMode)
{
_SEH_TRY
{
RtlInitUnicodeString(&SectionName->SectionFileName, SectionName->NameBuffer);
SectionName->SectionFileName.MaximumLength = Length;
RtlCopyUnicodeString(&SectionName->SectionFileName, &ModuleFileName);
if (UnsafeResultLength != NULL)
{
*UnsafeResultLength = ModuleFileName.Length;
}
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
}
else
{
RtlInitUnicodeString(&SectionName->SectionFileName, SectionName->NameBuffer);
SectionName->SectionFileName.MaximumLength = Length;
RtlCopyUnicodeString(&SectionName->SectionFileName, &ModuleFileName);
if (UnsafeResultLength != NULL)
{
*UnsafeResultLength = ModuleFileName.Length;
}
}
}
return Status;
}
else
{
Status = MiQueryVirtualMemory(ProcessHandle,
Address,
VirtualMemoryInformationClass,
&VirtualMemoryInfo,
Length,
&ResultLength);
}
if (NT_SUCCESS(Status))
{
if (PreviousMode != KernelMode)