msvcrt: Add a stub ARM64EC CPU backend.

dlls/crtdll/Makefile.in

@@ -15,6 +15,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr100/Makefile.in

@@ -17,6 +17,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr110/Makefile.in

@@ -17,6 +17,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr120/Makefile.in

@@ -17,6 +17,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr70/Makefile.in

@@ -16,6 +16,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr71/Makefile.in

@@ -16,6 +16,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr80/Makefile.in

@@ -16,6 +16,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcr90/Makefile.in

@@ -16,6 +16,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcrt/Makefile.in

@@ -21,6 +21,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/msvcrt/except_arm64ec.c

+/*
+ * msvcrt C++ exception handling
+ *
+ * Copyright 2011 Alexandre Julliard
+ * Copyright 2013 André Hentschel
+ * Copyright 2017 Martin Storsjo
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef __arm64ec__
+
+#include <setjmp.h>
+#include <stdarg.h>
+#include <fpieee.h>
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "windef.h"
+#include "winbase.h"
+#include "winternl.h"
+#include "msvcrt.h"
+#include "wine/exception.h"
+#include "excpt.h"
+#include "wine/debug.h"
+
+#include "cppexcept.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(seh);
+
+/*********************************************************************
+ *		__CxxExceptionFilter (MSVCRT.@)
+ */
+int CDECL __CxxExceptionFilter( PEXCEPTION_POINTERS ptrs,
+                                const type_info *ti, int flags, void **copy )
+{
+    FIXME( "%p %p %x %p: not implemented\n", ptrs, ti, flags, copy );
+    return EXCEPTION_CONTINUE_SEARCH;
+}
+
+/*********************************************************************
+ *		__CxxFrameHandler (MSVCRT.@)
+ */
+EXCEPTION_DISPOSITION CDECL __CxxFrameHandler( EXCEPTION_RECORD *rec, ULONG64 frame, CONTEXT *context,
+                                               DISPATCHER_CONTEXT *dispatch )
+{
+    FIXME("%p %I64x %p %p: not implemented\n", rec, frame, context, dispatch);
+    return ExceptionContinueSearch;
+}
+
+
+/*********************************************************************
+ *		__CppXcptFilter (MSVCRT.@)
+ */
+int CDECL __CppXcptFilter( NTSTATUS ex, PEXCEPTION_POINTERS ptr )
+{
+    /* only filter c++ exceptions */
+    if (ex != CXX_EXCEPTION) return EXCEPTION_CONTINUE_SEARCH;
+    return _XcptFilter(ex, ptr);
+}
+
+
+/*********************************************************************
+ *		__CxxDetectRethrow (MSVCRT.@)
+ */
+BOOL CDECL __CxxDetectRethrow( PEXCEPTION_POINTERS ptrs )
+{
+    PEXCEPTION_RECORD rec;
+
+    if (!ptrs)
+        return FALSE;
+
+    rec = ptrs->ExceptionRecord;
+
+    if (rec->ExceptionCode == CXX_EXCEPTION &&
+        rec->NumberParameters == 3 &&
+        rec->ExceptionInformation[0] == CXX_FRAME_MAGIC_VC6 &&
+        rec->ExceptionInformation[2])
+    {
+        ptrs->ExceptionRecord = msvcrt_get_thread_data()->exc_record;
+        return TRUE;
+    }
+    return (msvcrt_get_thread_data()->exc_record == rec);
+}
+
+
+/*********************************************************************
+ *		__CxxQueryExceptionSize (MSVCRT.@)
+ */
+unsigned int CDECL __CxxQueryExceptionSize(void)
+{
+    return sizeof(cxx_exception_type);
+}
+
+
+/*******************************************************************
+ *		_setjmp (MSVCRT.@)
+ */
+int __attribute__((naked)) MSVCRT__setjmp( jmp_buf buf )
+{
+    asm( "b " __ASM_NAME("__wine_setjmpex") );
+}
+
+
+/*******************************************************************
+ *		longjmp (MSVCRT.@)
+ */
+void __cdecl MSVCRT_longjmp( _JUMP_BUFFER *jmp, int retval )
+{
+    EXCEPTION_RECORD rec;
+
+    if (!retval) retval = 1;
+    if (jmp->Frame)
+    {
+        rec.ExceptionCode = STATUS_LONGJUMP;
+        rec.ExceptionFlags = 0;
+        rec.ExceptionRecord = NULL;
+        rec.ExceptionAddress = NULL;
+        rec.NumberParameters = 1;
+        rec.ExceptionInformation[0] = (DWORD_PTR)jmp;
+        RtlUnwind( (void *)jmp->Frame, (void *)jmp->Rip, &rec, IntToPtr(retval) );
+    }
+    __wine_longjmp( (__wine_jmp_buf *)jmp, retval );
+}
+
+/*********************************************************************
+ *              _fpieee_flt (MSVCRT.@)
+ */
+int __cdecl _fpieee_flt( __msvcrt_ulong exception_code, EXCEPTION_POINTERS *ep,
+                         int (__cdecl *handler)(_FPIEEE_RECORD*) )
+{
+    FIXME("(%lx %p %p)\n", exception_code, ep, handler);
+    return EXCEPTION_CONTINUE_SEARCH;
+}
+
+#if _MSVCR_VER>=110 && _MSVCR_VER<=120
+/*********************************************************************
+ *  __crtCapturePreviousContext (MSVCR110.@)
+ */
+void __cdecl __crtCapturePreviousContext( CONTEXT *ctx )
+{
+    FIXME("not implemented\n");
+}
+#endif
+
+#endif  /* __arm64ec__ */

dlls/msvcrt/except_x86_64.c

@@ -18,7 +18,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#ifdef __x86_64__
+#if defined(__x86_64__) && !defined(__arm64ec__)
 
 #include <setjmp.h>
 #include <stdarg.h>

dlls/msvcrtd/Makefile.in

@@ -17,6 +17,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \

dlls/ucrtbase/Makefile.in

@@ -21,6 +21,7 @@ SOURCES = \
 	except.c \
 	except_arm.c \
 	except_arm64.c \
+	except_arm64ec.c \
 	except_i386.c \
 	except_x86_64.c \
 	exception_ptr.c \