um: switch stub_segv_handler to SA_SIGINFO variant, get rid of magic crap in there
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/arch/um/sys-x86/stub_segv.c b/arch/um/sys-x86/stub_segv.c
new file mode 100644
index 0000000..f62771c
--- /dev/null
+++ b/arch/um/sys-x86/stub_segv.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#include "sysdep/stub.h"
+#include "sysdep/faultinfo.h"
+#include "sysdep/sigcontext.h"
+
+void __attribute__ ((__section__ (".__syscall_stub")))
+stub_segv_handler(int sig, siginfo_t *info, void *p)
+{
+ struct ucontext *uc = p;
+
+ GET_FAULTINFO_FROM_SC(*((struct faultinfo *) STUB_DATA),
+ &uc->uc_mcontext);
+ trap_myself();
+}
+