1 files changed, 22 insertions, 0 deletions
diff --git a/arch/um/sys-x86/stub_segv_64.c b/arch/um/sys-x86/stub_segv_64.c
new file mode 100644
index 0000000..ced051a
--- /dev/null
+++ b/arch/um/sys-x86/stub_segv_64.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#include <signal.h>
+#include "as-layout.h"
+#include "sysdep/stub.h"
+#include "sysdep/faultinfo.h"
+#include "sysdep/sigcontext.h"
+
+void __attribute__ ((__section__ (".__syscall_stub")))
+stub_segv_handler(int sig)
+{
+	struct ucontext *uc;
+
+	__asm__ __volatile__("movq %%rdx, %0" : "=g" (uc) :);
+	GET_FAULTINFO_FROM_SC(*((struct faultinfo *) STUB_DATA),
+			      &uc->uc_mcontext);
+	trap_myself();
+}
+