+++ /dev/null
-/*
- * PROJECT: ReactOS Kernel
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: ntoskrnl/dbgk/dbgkutil.c
- * PURPOSE: User-Mode Debugging Support, Internal Debug Functions.
- * PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
- */
-
-/* INCLUDES ******************************************************************/
-
-#include <ntoskrnl.h>
-#define NDEBUG
-#include <debug.h>
-
-/* FUNCTIONS *****************************************************************/
-
-HANDLE
-NTAPI
-DbgkpSectionToFileHandle(IN PVOID Section)
-{
- NTSTATUS Status;
- POBJECT_NAME_INFORMATION FileName;
- OBJECT_ATTRIBUTES ObjectAttributes;
- IO_STATUS_BLOCK IoStatusBlock;
- HANDLE Handle;
- PAGED_CODE();
-
- /* Get the filename of the section */
- Status = MmGetFileNameForSection(Section, &FileName);
- if (!NT_SUCCESS(Status)) return NULL;
-
- /* Initialize object attributes */
- InitializeObjectAttributes(&ObjectAttributes,
- &FileName->Name,
- OBJ_CASE_INSENSITIVE |
- OBJ_FORCE_ACCESS_CHECK |
- OBJ_KERNEL_HANDLE,
- NULL,
- NULL);
-
- /* Open the file */
- Status = ZwOpenFile(&Handle,
- GENERIC_READ | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_SYNCHRONOUS_IO_NONALERT);
-
- /* Free the name and return the handle if we succeeded */
- ExFreePool(FileName);
- if (!NT_SUCCESS(Status)) return NULL;
- return Handle;
-}
-
-BOOLEAN
-NTAPI
-DbgkpSuspendProcess(VOID)
-{
- PAGED_CODE();
-
- /* Make sure this isn't a deleted process */
- if (!PsGetCurrentProcess()->ProcessDelete)
- {
- /* Freeze all the threads */
- KeFreezeAllThreads();
- return TRUE;
- }
- else
- {
- /* No suspend was done */
- return FALSE;
- }
-}
-
-VOID
-NTAPI
-DbgkpResumeProcess(VOID)
-{
- PAGED_CODE();
-
- /* Thaw all the threads */
- KeThawAllThreads();
-}
-
-VOID
-NTAPI
-DbgkCreateThread(IN PETHREAD Thread,
- IN PVOID StartAddress)
-{
- PEPROCESS Process = PsGetCurrentProcess();
- ULONG ProcessFlags;
- IMAGE_INFO ImageInfo;
- PIMAGE_NT_HEADERS NtHeader;
- POBJECT_NAME_INFORMATION ModuleName;
- UNICODE_STRING NtDllName;
- NTSTATUS Status;
- PVOID DebugPort;
- DBGKM_MSG ApiMessage;
- PDBGKM_CREATE_THREAD CreateThread = &ApiMessage.CreateThread;
- PDBGKM_CREATE_PROCESS CreateProcess = &ApiMessage.CreateProcess;
- PDBGKM_LOAD_DLL LoadDll = &ApiMessage.LoadDll;
- OBJECT_ATTRIBUTES ObjectAttributes;
- IO_STATUS_BLOCK IoStatusBlock;
- PTEB Teb;
- PAGED_CODE();
-
- /* Sanity check */
- ASSERT(Thread == PsGetCurrentThread());
-
- /* Try ORing in the create reported and image notify flags */
- ProcessFlags = PspSetProcessFlag(Process,
- PSF_CREATE_REPORTED_BIT |
- PSF_IMAGE_NOTIFY_DONE_BIT);
-
- /* Check if we were the first to set them or if another thread raced us */
- if (!(ProcessFlags & PSF_IMAGE_NOTIFY_DONE_BIT) && (PsImageNotifyEnabled))
- {
- /* It hasn't.. set up the image info for the process */
- ImageInfo.Properties = 0;
- ImageInfo.ImageAddressingMode = IMAGE_ADDRESSING_MODE_32BIT;
- ImageInfo.ImageBase = Process->SectionBaseAddress;
- ImageInfo.ImageSize = 0;
- ImageInfo.ImageSelector = 0;
- ImageInfo.ImageSectionNumber = 0;
-
- /* Get the NT Headers */
- NtHeader = RtlImageNtHeader(Process->SectionBaseAddress);
- if (NtHeader)
- {
- /* Set image size */
- ImageInfo.ImageSize = NtHeader->OptionalHeader.SizeOfImage;
- }
-
- /* Get the image name */
- Status = MmGetFileNameForSection(Process->SectionObject, &ModuleName);
- if (NT_SUCCESS(Status))
- {
- /* Call the notify routines and free the name */
- PspRunLoadImageNotifyRoutines(&ModuleName->Name,
- Process->UniqueProcessId,
- &ImageInfo);
- ExFreePool(ModuleName);
- }
- else
- {
- /* Call the notify routines */
- PspRunLoadImageNotifyRoutines(NULL,
- Process->UniqueProcessId,
- &ImageInfo);
- }
-
- /* Setup the info for ntdll.dll */
- ImageInfo.Properties = 0;
- ImageInfo.ImageAddressingMode = IMAGE_ADDRESSING_MODE_32BIT;
- ImageInfo.ImageBase = PspSystemDllBase;
- ImageInfo.ImageSize = 0;
- ImageInfo.ImageSelector = 0;
- ImageInfo.ImageSectionNumber = 0;
-
- /* Get the NT Headers */
- NtHeader = RtlImageNtHeader(PspSystemDllBase);
- if (NtHeader)
- {
- /* Set image size */
- ImageInfo.ImageSize = NtHeader->OptionalHeader.SizeOfImage;
- }
-
- /* Call the notify routines */
- RtlInitUnicodeString(&NtDllName,
- L"\\SystemRoot\\System32\\ntdll.dll");
- PspRunLoadImageNotifyRoutines(&NtDllName,
- Process->UniqueProcessId,
- &ImageInfo);
- }
-
- /* Fail if we have no port */
- DebugPort = Process->DebugPort;
- if (!DebugPort) return;
-
- /* Check if create was not already reported */
- if (!(ProcessFlags & PSF_CREATE_REPORTED_BIT))
- {
- /* Setup the information structure for the new thread */
- CreateProcess->InitialThread.SubSystemKey = 0;
- CreateProcess->InitialThread.StartAddress = NULL;
-
- /* And for the new process */
- CreateProcess->SubSystemKey = 0;
- CreateProcess->FileHandle = DbgkpSectionToFileHandle(Process->
- SectionObject);
- CreateProcess->BaseOfImage = Process->SectionBaseAddress;
- CreateProcess->DebugInfoFileOffset = 0;
- CreateProcess->DebugInfoSize = 0;
-
- /* Get the NT Header */
- NtHeader = RtlImageNtHeader(Process->SectionBaseAddress);
- if (NtHeader)
- {
- /* Fill out data from the header */
- CreateProcess->InitialThread.StartAddress =
- (PVOID)((ULONG_PTR)NtHeader->OptionalHeader.ImageBase +
- NtHeader->OptionalHeader.AddressOfEntryPoint);
- CreateProcess->DebugInfoFileOffset = NtHeader->FileHeader.
- PointerToSymbolTable;
- CreateProcess->DebugInfoSize = NtHeader->FileHeader.
- NumberOfSymbols;
- }
-
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_CREATE_PROCESS));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmCreateProcessApi;
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, FALSE);
-
- /* Close the handle */
- ObCloseHandle(CreateProcess->FileHandle, KernelMode);
-
- /* Setup the parameters */
- LoadDll->BaseOfDll = PspSystemDllBase;
- LoadDll->DebugInfoFileOffset = 0;
- LoadDll->DebugInfoSize = 0;
- LoadDll->NamePointer = NULL;
-
- /* Get the NT Headers */
- NtHeader = RtlImageNtHeader(PspSystemDllBase);
- if (NtHeader)
- {
- /* Fill out debug information */
- LoadDll->DebugInfoFileOffset = NtHeader->
- FileHeader.PointerToSymbolTable;
- LoadDll->DebugInfoSize = NtHeader->FileHeader.NumberOfSymbols;
- }
-
- /* Get the TEB */
- Teb = Thread->Tcb.Teb;
- if (Teb)
- {
- /* Copy the system library name and link to it */
- wcsncpy(Teb->StaticUnicodeBuffer,
- L"ntdll.dll",
- sizeof(Teb->StaticUnicodeBuffer) / sizeof(WCHAR));
- Teb->NtTib.ArbitraryUserPointer = Teb->StaticUnicodeBuffer;
-
- /* Return it in the debug event as well */
- LoadDll->NamePointer = &Teb->NtTib.ArbitraryUserPointer;
- }
-
- /* Get a handle */
- InitializeObjectAttributes(&ObjectAttributes,
- &PsNtDllPathName,
- OBJ_CASE_INSENSITIVE |
- OBJ_KERNEL_HANDLE |
- OBJ_FORCE_ACCESS_CHECK,
- NULL,
- NULL);
- Status = ZwOpenFile(&LoadDll->FileHandle,
- GENERIC_READ | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_DELETE |
- FILE_SHARE_READ |
- FILE_SHARE_WRITE,
- FILE_SYNCHRONOUS_IO_NONALERT);
- if (NT_SUCCESS(Status))
- {
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_LOAD_DLL));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmLoadDllApi;
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, TRUE);
-
- /* Close the handle */
- ObCloseHandle(LoadDll->FileHandle, KernelMode);
- }
- }
- else
- {
- /* Otherwise, do it just for the thread */
- CreateThread->SubSystemKey = 0;
- CreateThread->StartAddress = StartAddress;
-
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_CREATE_THREAD));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmCreateThreadApi;
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, TRUE);
- }
-}
-
-VOID
-NTAPI
-DbgkExitProcess(IN NTSTATUS ExitStatus)
-{
- DBGKM_MSG ApiMessage;
- PDBGKM_EXIT_PROCESS ExitProcess = &ApiMessage.ExitProcess;
- PEPROCESS Process = PsGetCurrentProcess();
- PETHREAD Thread = PsGetCurrentThread();
- PAGED_CODE();
-
- /* Check if this thread is hidden, doesn't have a debug port, or died */
- if ((Thread->HideFromDebugger) ||
- !(Process->DebugPort) ||
- (Thread->DeadThread))
- {
- /* Don't notify the debugger */
- return;
- }
-
- /* Set the exit status */
- ExitProcess->ExitStatus = ExitStatus;
-
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_EXIT_PROCESS));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmExitProcessApi;
-
- /* Set the current exit time */
- KeQuerySystemTime(&Process->ExitTime);
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, FALSE);
-}
-
-VOID
-NTAPI
-DbgkExitThread(IN NTSTATUS ExitStatus)
-{
- DBGKM_MSG ApiMessage;
- PDBGKM_EXIT_THREAD ExitThread = &ApiMessage.ExitThread;
- PEPROCESS Process = PsGetCurrentProcess();
- PETHREAD Thread = PsGetCurrentThread();
- BOOLEAN Suspended;
- PAGED_CODE();
-
- /* Check if this thread is hidden, doesn't have a debug port, or died */
- if ((Thread->HideFromDebugger) ||
- !(Process->DebugPort) ||
- (Thread->DeadThread))
- {
- /* Don't notify the debugger */
- return;
- }
-
- /* Set the exit status */
- ExitThread->ExitStatus = ExitStatus;
-
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_EXIT_THREAD));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmExitThreadApi;
-
- /* Suspend the process */
- Suspended = DbgkpSuspendProcess();
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, FALSE);
-
- /* Resume the process if needed */
- if (Suspended) DbgkpResumeProcess();
-}
-
-VOID
-NTAPI
-DbgkMapViewOfSection(IN PVOID Section,
- IN PVOID BaseAddress,
- IN ULONG SectionOffset,
- IN ULONG_PTR ViewSize)
-{
- DBGKM_MSG ApiMessage;
- PDBGKM_LOAD_DLL LoadDll = &ApiMessage.LoadDll;
- PEPROCESS Process = PsGetCurrentProcess();
- PETHREAD Thread = PsGetCurrentThread();
- PIMAGE_NT_HEADERS NtHeader;
- PAGED_CODE();
- DBGKTRACE(DBGK_PROCESS_DEBUG,
- "Section: %p. Base: %p\n", Section, BaseAddress);
-
- /* Check if this thread is kernel, hidden or doesn't have a debug port */
- if ((ExGetPreviousMode() == KernelMode) ||
- (Thread->HideFromDebugger) ||
- !(Process->DebugPort))
- {
- /* Don't notify the debugger */
- return;
- }
-
- /* Setup the parameters */
- LoadDll->FileHandle = DbgkpSectionToFileHandle(Section);
- LoadDll->BaseOfDll = BaseAddress;
- LoadDll->DebugInfoFileOffset = 0;
- LoadDll->DebugInfoSize = 0;
- LoadDll->NamePointer = &NtCurrentTeb()->NtTib.ArbitraryUserPointer;
-
- /* Get the NT Headers */
- NtHeader = RtlImageNtHeader(BaseAddress);
- if (NtHeader)
- {
- /* Fill out debug information */
- LoadDll->DebugInfoFileOffset = NtHeader->FileHeader.
- PointerToSymbolTable;
- LoadDll->DebugInfoSize = NtHeader->FileHeader.NumberOfSymbols;
- }
-
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_LOAD_DLL));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmLoadDllApi;
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, TRUE);
-
- /* Close the handle */
- ObCloseHandle(LoadDll->FileHandle, KernelMode);
-}
-
-VOID
-NTAPI
-DbgkUnMapViewOfSection(IN PVOID BaseAddress)
-{
- DBGKM_MSG ApiMessage;
- PDBGKM_UNLOAD_DLL UnloadDll = &ApiMessage.UnloadDll;
- PEPROCESS Process = PsGetCurrentProcess();
- PETHREAD Thread = PsGetCurrentThread();
- PAGED_CODE();
-
- /* Check if this thread is kernel, hidden or doesn't have a debug port */
- if ((ExGetPreviousMode() == KernelMode) ||
- (Thread->HideFromDebugger) ||
- !(Process->DebugPort))
- {
- /* Don't notify the debugger */
- return;
- }
-
- /* Set the DLL Base */
- UnloadDll->BaseAddress = BaseAddress;
-
- /* Setup the API Message */
- ApiMessage.h.u1.Length = sizeof(DBGKM_MSG) << 16 |
- (8 + sizeof(DBGKM_UNLOAD_DLL));
- ApiMessage.h.u2.ZeroInit = 0;
- ApiMessage.h.u2.s2.Type = LPC_DEBUG_EVENT;
- ApiMessage.ApiNumber = DbgKmUnloadDllApi;
-
- /* Send the message */
- DbgkpSendApiMessage(&ApiMessage, TRUE);
-}
projects / reactos.git / blobdiff