You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.4 KiB
102 lines
2.4 KiB
/*++
|
|
|
|
Copyright (c) 1990 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
kulookup.c
|
|
|
|
Abstract:
|
|
|
|
The module implements the code necessary to lookup user mode entry points
|
|
in the system DLL for exception dispatching and APC delivery.
|
|
|
|
Author:
|
|
|
|
David N. Cutler (davec) 8-Oct-90
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#include "psp.h"
|
|
#pragma alloc_text(INIT, PspLookupKernelUserEntryPoints)
|
|
|
|
NTSTATUS
|
|
PspLookupKernelUserEntryPoints (
|
|
VOID
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
The function locates the address of the exception dispatch and user APC
|
|
delivery routine in the system DLL and stores the respective addresses
|
|
in the PCR.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
NTSTATUS
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
NTSTATUS Status;
|
|
PSZ EntryName;
|
|
|
|
//
|
|
// Lookup the user mode "trampoline" code for exception dispatching
|
|
//
|
|
|
|
EntryName = "KiUserExceptionDispatcher";
|
|
Status = PspLookupSystemDllEntryPoint(EntryName,
|
|
(PVOID *)&KeUserExceptionDispatcher);
|
|
if (!NT_SUCCESS (Status)) {
|
|
KdPrint(("Ps: Cannot find user exception dispatcher address\n"));
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Lookup the user mode "trampoline" code for APC dispatching
|
|
//
|
|
|
|
EntryName = "KiUserApcDispatcher";
|
|
Status = PspLookupSystemDllEntryPoint(EntryName,
|
|
(PVOID *)&KeUserApcDispatcher);
|
|
if (!NT_SUCCESS (Status)) {
|
|
KdPrint(("Ps: Cannot find user apc dispatcher address\n"));
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Lookup the user mode "trampoline" code for callback dispatching.
|
|
//
|
|
|
|
EntryName = "KiUserCallbackDispatcher";
|
|
Status = PspLookupSystemDllEntryPoint(EntryName,
|
|
(PVOID *)&KeUserCallbackDispatcher);
|
|
if (!NT_SUCCESS (Status)) {
|
|
KdPrint(("Ps: Cannot find user callback dispatcher address\n"));
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Lookup the user mode "trampoline" code for raising a usermode exception
|
|
//
|
|
|
|
EntryName = "KiRaiseUserExceptionDispatcher";
|
|
Status = PspLookupSystemDllEntryPoint(EntryName,
|
|
(PVOID *)&KeRaiseUserExceptionDispatcher);
|
|
if (!NT_SUCCESS (Status)) {
|
|
KdPrint(("Ps: Cannot find raise user exception dispatcher address\n"));
|
|
return Status;
|
|
}
|
|
|
|
return Status;
|
|
}
|