[fireball] 51088: [NTDLL] - Rewrite the very first initialization routine: LdrpInit(). - Rename LdrpInit2() to LdrpInitializeProcess(), and LdrpAttachThread() to LdrpInitializeThread(). Still old c...
18 Mar
2011
18 Mar
'11
8:23 p.m.
Author: fireball
Date: Fri Mar 18 20:23:18 2011
New Revision: 51088
URL: http://svn.reactos.org/svn/reactos?rev=51088&view=rev
Log:
[NTDLL]
- Rewrite the very first initialization routine: LdrpInit().
- Rename LdrpInit2() to LdrpInitializeProcess(), and LdrpAttachThread() to
LdrpInitializeThread(). Still old code there.
Modified:
trunk/reactos/dll/ntdll/include/ntdllp.h
trunk/reactos/dll/ntdll/ldr/ldrinit.c
trunk/reactos/dll/ntdll/ldr/startup.c
trunk/reactos/dll/ntdll/ldr/utils.c
Modified: trunk/reactos/dll/ntdll/include/ntdllp.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/include/ntdllp.h…
==============================================================================
--- trunk/reactos/dll/ntdll/include/ntdllp.h [iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/include/ntdllp.h [iso-8859-1] Fri Mar 18 20:23:18 2011
@@ -27,11 +27,14 @@
/* ldrinit.c */
NTSTATUS NTAPI LdrpRunInitializeRoutines(IN PCONTEXT Context OPTIONAL);
+NTSTATUS NTAPI LdrpInitializeThread(IN PCONTEXT Context);
NTSTATUS NTAPI LdrpInitializeTls(VOID);
NTSTATUS NTAPI LdrpAllocateTls(VOID);
VOID NTAPI LdrpFreeTls(VOID);
VOID NTAPI LdrpTlsCallback(PVOID BaseAddress, ULONG Reason);
BOOLEAN NTAPI LdrpCallDllEntry(PDLLMAIN_FUNC EntryPoint, PVOID BaseAddress, ULONG Reason,
PVOID Context);
+NTSTATUS NTAPI LdrpInitializeProcess(PCONTEXT Context, PVOID SystemArgument1);
+
/* ldrpe.c */
NTSTATUS
Modified: trunk/reactos/dll/ntdll/ldr/ldrinit.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/ldr/ldrinit.c?re…
==============================================================================
--- trunk/reactos/dll/ntdll/ldr/ldrinit.c [iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/ldr/ldrinit.c [iso-8859-1] Fri Mar 18 20:23:18 2011
@@ -21,6 +21,7 @@
UNICODE_STRING Wow64OptionsString = RTL_CONSTANT_STRING(L"");
BOOLEAN LdrpInLdrInit;
+LONG LdrpProcessInitialized;
PLDR_DATA_TABLE_ENTRY LdrpImageEntry;
PUNICODE_STRING LdrpTopLevelDllBeingLoaded;
@@ -38,6 +39,11 @@
RTL_CRITICAL_SECTION LdrpLoaderLock;
BOOLEAN ShowSnaps;
+
+ULONG LdrpFatalHardErrorCount;
+
+VOID RtlpInitializeVectoredExceptionHandling(VOID);
+VOID NTAPI RtlpInitDeferedCriticalSection(VOID);
/* FUNCTIONS *****************************************************************/
@@ -832,5 +838,148 @@
TlsVector);
}
+VOID
+NTAPI
+LdrpInitFailure(NTSTATUS Status)
+{
+ ULONG Response;
+
+ /* Print a debug message */
+ DPRINT1("LDR: Process initialization failure; NTSTATUS = %08lx\n",
Status);
+
+ /* Raise a hard error */
+ if (!LdrpFatalHardErrorCount)
+ {
+ ZwRaiseHardError(STATUS_APP_INIT_FAILURE, 1, 0, (PULONG_PTR)&Status,
OptionOk, &Response);
+ }
+}
+
+VOID
+NTAPI
+LdrpInit(PCONTEXT Context,
+ PVOID SystemArgument1,
+ PVOID SystemArgument2)
+{
+ LARGE_INTEGER Timeout;
+ PTEB Teb = NtCurrentTeb();
+ NTSTATUS Status, LoaderStatus = STATUS_SUCCESS;
+ MEMORY_BASIC_INFORMATION MemoryBasicInfo;
+ PPEB Peb = NtCurrentPeb();
+
+ DPRINT("LdrpInit()\n");
+
+ /* Check if we have a deallocation stack */
+ if (!Teb->DeallocationStack)
+ {
+ /* We don't, set one */
+ Status = NtQueryVirtualMemory(NtCurrentProcess(),
+ Teb->NtTib.StackLimit,
+ MemoryBasicInformation,
+ &MemoryBasicInfo,
+ sizeof(MEMORY_BASIC_INFORMATION),
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ /* Fail */
+ LdrpInitFailure(Status);
+ RtlRaiseStatus(Status);
+ return;
+ }
+
+ /* Set the stack */
+ Teb->DeallocationStack = MemoryBasicInfo.AllocationBase;
+ }
+
+ /* Now check if the process is already being initialized */
+ while (_InterlockedCompareExchange(&LdrpProcessInitialized,
+ 1,
+ 0) == 1)
+ {
+ /* Set the timeout to 30 seconds */
+ Timeout.QuadPart = Int32x32To64(30, -10000);
+
+ /* Make sure the status hasn't changed */
+ while (!LdrpProcessInitialized)
+ {
+ /* Do the wait */
+ ZwDelayExecution(FALSE, &Timeout);
+ }
+ }
+
+ /* Check if we have already setup LDR data */
+ if (!Peb->Ldr)
+ {
+ /* Setup the Loader Lock */
+ Peb->LoaderLock = &LdrpLoaderLock;
+
+ /* Let other code know we're initializing */
+ LdrpInLdrInit = TRUE;
+
+ /* Initialize Critical Section Data */
+ RtlpInitDeferedCriticalSection();
+
+ /* Initialize VEH Call lists */
+ RtlpInitializeVectoredExceptionHandling();
+
+ /* Protect with SEH */
+ _SEH2_TRY
+ {
+ /* Initialize the Process */
+ LoaderStatus = LdrpInitializeProcess(Context,
+ SystemArgument1);
+
+ /* Check for success and if MinimumStackCommit was requested */
+ if (NT_SUCCESS(LoaderStatus) && Peb->MinimumStackCommit)
+ {
+ /* Enforce the limit */
+ //LdrpTouchThreadStack(Peb->MinimumStackCommit);
+ UNIMPLEMENTED;
+ }
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Fail with the SEH error */
+ LoaderStatus = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END;
+
+ /* We're not initializing anymore */
+ LdrpInLdrInit = FALSE;
+
+ /* Check if init worked */
+ if (NT_SUCCESS(LoaderStatus))
+ {
+ /* Set the process as Initialized */
+ _InterlockedIncrement(&LdrpProcessInitialized);
+ }
+ }
+ else
+ {
+ /* Loader data is there... is this a fork() ? */
+ if(Peb->InheritedAddressSpace)
+ {
+ /* Handle the fork() */
+ //LoaderStatus = LdrpForkProcess();
+ LoaderStatus = STATUS_NOT_IMPLEMENTED;
+ UNIMPLEMENTED;
+ }
+ else
+ {
+ /* This is a new thread initializing */
+ LdrpInitializeThread(Context);
+ }
+ }
+
+ /* All done, test alert the thread */
+ NtTestAlert();
+
+ /* Return */
+ if (!NT_SUCCESS(LoaderStatus))
+ {
+ /* Fail */
+ LdrpInitFailure(LoaderStatus);
+ RtlRaiseStatus(LoaderStatus);
+ }
+}
/* EOF */
Modified: trunk/reactos/dll/ntdll/ldr/startup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/ldr/startup.c?re…
==============================================================================
--- trunk/reactos/dll/ntdll/ldr/startup.c [iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/ldr/startup.c [iso-8859-1] Fri Mar 18 20:23:18 2011
@@ -16,9 +16,6 @@
VOID RtlInitializeHeapManager(VOID);
VOID LdrpInitLoader(VOID);
-VOID NTAPI RtlpInitDeferedCriticalSection(VOID);
-NTSTATUS LdrpAttachThread(VOID);
-VOID RtlpInitializeVectoredExceptionHandling(VOID);
extern PTEB LdrpTopLevelDllBeingLoadedTeb;
/* GLOBALS *******************************************************************/
@@ -27,8 +24,6 @@
static RTL_CRITICAL_SECTION PebLock;
static RTL_BITMAP TlsBitMap;
static RTL_BITMAP TlsExpansionBitMap;
-static volatile BOOLEAN LdrpInitialized = FALSE;
-static LONG LdrpInitLock = 0;
#define VALUE_BUFFER_SIZE 256
@@ -312,11 +307,10 @@
return FALSE;
}
-static
-VOID
-LdrpInit2(PCONTEXT Context,
- PVOID SystemArgument1,
- PVOID SystemArgument2)
+NTSTATUS
+NTAPI
+LdrpInitializeProcess(PCONTEXT Context,
+ PVOID SystemArgument1)
{
PIMAGE_NT_HEADERS NTHeaders;
PEPFUNC EntryPoint;
@@ -378,9 +372,6 @@
Peb->NumberOfProcessors = SystemInformation.NumberOfProcessors;
- /* Initialize Critical Section Data */
- RtlpInitDeferedCriticalSection();
-
/* Load execution options */
LoadImageFileExecutionOptions(Peb);
@@ -439,9 +430,6 @@
ZwTerminateProcess(NtCurrentProcess(), STATUS_IMAGE_MACHINE_TYPE_MISMATCH_EXE);
}
- /* initialized vectored exception handling */
- RtlpInitializeVectoredExceptionHandling();
-
/* initalize peb lock support */
RtlInitializeCriticalSection(&PebLock);
Peb->FastPebLock = &PebLock;
@@ -585,37 +573,8 @@
/* Break into debugger */
if (Peb->BeingDebugged)
DbgBreakPoint();
+
+ return STATUS_SUCCESS;
}
-VOID
-NTAPI
-LdrpInit(PCONTEXT Context,
- PVOID SystemArgument1,
- PVOID SystemArgument2)
-{
- if (!LdrpInitialized)
- {
- if (!_InterlockedExchange(&LdrpInitLock, 1))
- {
- LdrpInit2(Context, SystemArgument1, SystemArgument2);
- LdrpInitialized = TRUE;
- }
- else
- {
- LARGE_INTEGER Interval = {{-200000, -1}};
-
- do
- {
- NtDelayExecution(FALSE, &Interval);
- }
- while (!LdrpInitialized);
- }
- }
-
- /* attach the thread */
- RtlEnterCriticalSection(NtCurrentPeb()->LoaderLock);
- LdrpAttachThread();
- RtlLeaveCriticalSection(NtCurrentPeb()->LoaderLock);
-}
-
/* EOF */
Modified: trunk/reactos/dll/ntdll/ldr/utils.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/ldr/utils.c?rev=…
==============================================================================
--- trunk/reactos/dll/ntdll/ldr/utils.c [iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/ldr/utils.c [iso-8859-1] Fri Mar 18 20:23:18 2011
@@ -2664,9 +2664,9 @@
/*
* @implemented
*/
-
NTSTATUS
-LdrpAttachThread (VOID)
+NTAPI
+LdrpInitializeThread(IN PCONTEXT Context)
{
PLIST_ENTRY ModuleListHead;
PLIST_ENTRY Entry;
4935
days inactive
4935
days old
0 comments
1 participants
participants (1)
-
fireball＠svn.reactos.org