diff --git a/reactos/lib/sdk/crt/except/cpp.c b/reactos/lib/sdk/crt/except/cpp.c
index 521791626ce..24b5c3d6c63 100644
--- a/reactos/lib/sdk/crt/except/cpp.c
+++ b/reactos/lib/sdk/crt/except/cpp.c
@@ -19,28 +19,10 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include "wine/config.h"
-#include "wine/port.h"
-
-#include <stdarg.h>
-
-#include "windef.h"
-#include "winbase.h"
-#include "winreg.h"
-#include "winternl.h"
-#include "wine/exception.h"
-#include "winnt.h"
-#include "excpt.h"
-#include "wine/debug.h"
-#include <malloc.h>
-#include <stdlib.h>
-#include <stdio.h>
+#include <precomp.h>
 
 #include <internal/wine/msvcrt.h>
 #include <internal/wine/cppexcept.h>
-#include <internal/mtdll.h>
-
-WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
 
 typedef exception bad_cast;
 typedef exception bad_typeid;
@@ -76,7 +58,6 @@ typedef struct _rtti_object_locator
   const rtti_object_hierarchy *type_hierarchy;
 } rtti_object_locator;
 
-
 #ifdef __i386__  /* thiscall functions are i386-specific */
 
 #define THISCALL(func) __thiscall_ ## func
diff --git a/reactos/lib/sdk/crt/except/cppexcept.c b/reactos/lib/sdk/crt/except/cppexcept.c
index ae6d9c3b553..5e301dae8b5 100644
--- a/reactos/lib/sdk/crt/except/cppexcept.c
+++ b/reactos/lib/sdk/crt/except/cppexcept.c
@@ -23,20 +23,11 @@
  * www.thecodeproject.com.
  */
 
-#include "wine/config.h"
-#include "wine/port.h"
-
+#define __WINE_DEBUG_CHANNEL__
+#include <precomp.h>
 #include <stdarg.h>
 
-#include "windef.h"
-#include "winbase.h"
-#include "winreg.h"
-#include "winternl.h"
 #include <internal/wine/msvcrt.h>
-#include "wine/exception.h"
-#include "excpt.h"
-#include "wine/debug.h"
-
 #include <internal/wine/cppexcept.h>
 
 #ifdef __i386__  /* CxxFrameHandler is not supported on non-i386 */
@@ -328,7 +319,7 @@ static inline void call_catch_block( PEXCEPTION_RECORD rec, cxx_exception_frame
 
             /* setup an exception block for nested exceptions */
 
-            nested_frame.frame.Handler = (PEXCEPTION_HANDLER)catch_function_nested_handler;
+            nested_frame.frame.Handler = (PEXCEPTION_ROUTINE)catch_function_nested_handler;
             nested_frame.prev_rec  = thread_data->exc_record;
             nested_frame.cxx_frame = frame;
             nested_frame.descr     = descr;
diff --git a/reactos/lib/sdk/crt/include/internal/wine/cppexcept.h b/reactos/lib/sdk/crt/include/internal/wine/cppexcept.h
index 2b34f55ce25..2cead03a04d 100644
--- a/reactos/lib/sdk/crt/include/internal/wine/cppexcept.h
+++ b/reactos/lib/sdk/crt/include/internal/wine/cppexcept.h
@@ -21,6 +21,57 @@
 #ifndef __MSVCRT_CPPEXCEPT_H
 #define __MSVCRT_CPPEXCEPT_H
 
+#include <pseh/pseh2.h>
+
+/* Macros to define assembler functions somewhat portably */
+
+#define __ASM_FUNC(name) ".def " __ASM_NAME(name) "; .scl 2; .type 32; .endef"
+#define __ASM_NAME(name) "_" name
+
+#ifdef __GNUC__
+# define __ASM_GLOBAL_FUNC(name,code) \
+      __asm__( ".align 4\n\t" \
+               ".globl " __ASM_NAME(#name) "\n\t" \
+               __ASM_FUNC(#name) "\n" \
+               __ASM_NAME(#name) ":\n\t" \
+               code );
+#else  /* __GNUC__ */
+# define __ASM_GLOBAL_FUNC(name,code) \
+      void __asm_dummy_##name(void) { \
+          asm( ".align 4\n\t" \
+               ".globl " __ASM_NAME(#name) "\n\t" \
+               __ASM_FUNC(#name) "\n" \
+               __ASM_NAME(#name) ":\n\t" \
+               code ); \
+      }
+#endif  /* __GNUC__ */
+
+#define EH_NONCONTINUABLE   0x01
+#define EH_UNWINDING        0x02
+#define EH_EXIT_UNWIND      0x04
+#define EH_STACK_INVALID    0x08
+#define EH_NESTED_CALL      0x10
+
+static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
+{
+    frame->Next = (struct _EXCEPTION_REGISTRATION_RECORD *)__readfsdword(0);
+	__writefsdword(0, (unsigned long)frame);
+    return frame->Next;
+}
+
+static inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTRATION_RECORD *frame )
+{
+	__writefsdword(0, (unsigned long)frame->Next);
+    return frame->Next;
+}
+
+#define __TRY _SEH2_TRY
+#define __EXCEPT(func) _SEH2_EXCEPT(func(_SEH2_GetExceptionInformation()))
+#define __EXCEPT_PAGE_FAULT _SEH2_EXCEPT(_SEH2_GetExceptionCode() == STATUS_ACCESS_VIOLATION)
+#define __EXCEPT_ALL _SEH2_EXCEPT(_SEH_EXECUTE_HANDLER)
+#define __ENDTRY _SEH2_END
+#define __FINALLY(func) _SEH2_FINALLY { func(!_SEH2_AbnormalTermination()); }
+
 #define CXX_FRAME_MAGIC    0x19930520
 #define CXX_EXCEPTION      0xe06d7363
 
diff --git a/reactos/lib/sdk/crt/precomp.h b/reactos/lib/sdk/crt/precomp.h
index d4979dd7a0f..0d8afa002cf 100644
--- a/reactos/lib/sdk/crt/precomp.h
+++ b/reactos/lib/sdk/crt/precomp.h
@@ -39,7 +39,9 @@
 /* kernelmode libcnt should not include Wine-debugging crap */
 #ifndef _LIBCNT_
 #include "wine/debug.h"
+#ifndef __WINE_DEBUG_CHANNEL__
 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
+#endif
 #else
 #include <debug.h>
 #define TRACE DPRINT
diff --git a/reactos/lib/sdk/crt/wine/undname.c b/reactos/lib/sdk/crt/wine/undname.c
index 07e6a062232..178ff88bab9 100755
--- a/reactos/lib/sdk/crt/wine/undname.c
+++ b/reactos/lib/sdk/crt/wine/undname.c
@@ -19,27 +19,12 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "wine/config.h"
-#include "wine/port.h"
-
+#define __WINE_DEBUG_CHANNEL__
+#include <precomp.h>
 #include <assert.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-#include "windef.h"
-#include "winbase.h"
-#include "winreg.h"
-#include "winternl.h"
-#include "wine/exception.h"
-#include "winnt.h"
-#include "excpt.h"
-#include "wine/debug.h"
-#include <malloc.h>
-#include <stdlib.h>
 
 #include <internal/wine/msvcrt.h>
 #include <internal/wine/cppexcept.h>
-#include <internal/mtdll.h>
 
 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);