Moved common SEH code to Rtl

svn path=/trunk/; revision=9862

reactos/lib/rtl/exception.c

@@ -0,0 +1,68 @@
+/* $Id: exception.c,v 1.1 2004/06/24 19:30:21 hyperion Exp $
+ *
+ * COPYRIGHT:         See COPYING in the top level directory
+ * PROJECT:           ReactOS kernel
+ * PURPOSE:           User-mode exception support
+ * FILE:              lib/ntdll/rtl/exception.c
+ * PROGRAMERS:        David Welch <welch@cwcom.net>
+ *                    Skywing <skywing@valhallalegends.com>
+ *                    KJK::Hyperion <noog@libero.it>
+ * UPDATES:           Skywing, 09/11/2003: Implemented RtlRaiseException and
+ *                    KiUserRaiseExceptionDispatcher.
+ *                    KJK::Hyperion, 22/06/2004: Moved the common parts here,
+ *                    left the user-mode code in ntdll
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <ddk/ntddk.h>
+#include <windows.h>
+#include <string.h>
+#include <napi/teb.h>
+
+#define NDEBUG
+#include <debug.h>
+
+/* FUNCTIONS ***************************************************************/
+
+/* implemented in except.s */
+VOID
+RtlpCaptureContext(PCONTEXT Context);
+
+/*
+ * @implemented
+ */
+VOID STDCALL
+RtlRaiseException(PEXCEPTION_RECORD ExceptionRecord)
+{
+  CONTEXT Context;
+  NTSTATUS Status;
+
+  RtlpCaptureContext(&Context);
+
+  ExceptionRecord->ExceptionAddress = (PVOID)(*(((PULONG)Context.Ebp)+1));
+  Context.ContextFlags = CONTEXT_FULL;
+
+  Status = ZwRaiseException(ExceptionRecord, &Context, TRUE);
+  RtlRaiseException(ExceptionRecord);
+  RtlRaiseStatus(Status); /* If we get to this point, something is seriously wrong... */
+}
+
+/*
+ * @implemented
+ */
+VOID STDCALL
+RtlRaiseStatus(NTSTATUS Status)
+{
+  EXCEPTION_RECORD ExceptionRecord;
+
+  DPRINT("RtlRaiseStatus(Status 0x%.08x)\n", Status);
+
+  ExceptionRecord.ExceptionCode    = Status;
+  ExceptionRecord.ExceptionRecord  = NULL;
+  ExceptionRecord.NumberParameters = 0;
+  ExceptionRecord.ExceptionFlags   = EXCEPTION_NONCONTINUABLE;
+  RtlRaiseException (& ExceptionRecord);
+}
+
+/* EOF */