diff --git a/include/asm-sparc64/sigcontext.h b/include/asm-sparc64/sigcontext.h
new file mode 100644
index 0000000..d807337
--- /dev/null
+++ b/include/asm-sparc64/sigcontext.h
@@ -0,0 +1,88 @@
+/* $Id: sigcontext.h,v 1.12 1999/09/06 08:22:09 jj Exp $ */
+#ifndef __SPARC64_SIGCONTEXT_H
+#define __SPARC64_SIGCONTEXT_H
+
+#ifdef __KERNEL__
+#include <asm/ptrace.h>
+#endif
+
+#ifndef __ASSEMBLY__
+
+#ifdef __KERNEL__
+
+#define __SUNOS_MAXWIN   31
+
+/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
+struct sigcontext32 {
+	int sigc_onstack;      /* state to restore */
+	int sigc_mask;         /* sigmask to restore */
+	int sigc_sp;           /* stack pointer */
+	int sigc_pc;           /* program counter */
+	int sigc_npc;          /* next program counter */
+	int sigc_psr;          /* for condition codes etc */
+	int sigc_g1;           /* User uses these two registers */
+	int sigc_o0;           /* within the trampoline code. */
+
+	/* Now comes information regarding the users window set
+	 * at the time of the signal.
+	 */
+	int sigc_oswins;       /* outstanding windows */
+
+	/* stack ptrs for each regwin buf */
+	unsigned sigc_spbuf[__SUNOS_MAXWIN];
+
+	/* Windows to restore after signal */
+	struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
+};
+
+#endif
+
+#ifdef __KERNEL__
+
+/* This is what we use for 32bit new non-rt signals. */
+
+typedef struct {
+	struct {
+		unsigned int psr;
+		unsigned int pc;
+		unsigned int npc;
+		unsigned int y;
+		unsigned int u_regs[16]; /* globals and ins */
+	}			si_regs;
+	int			si_mask;
+} __siginfo32_t;
+
+#endif
+
+typedef struct {
+	unsigned   int si_float_regs [64];
+	unsigned   long si_fsr;
+	unsigned   long si_gsr;
+	unsigned   long si_fprs;
+} __siginfo_fpu_t;
+
+/* This is what SunOS doesn't, so we have to write this alone
+   and do it properly. */
+struct sigcontext {
+	/* The size of this array has to match SI_MAX_SIZE from siginfo.h */
+	char			sigc_info[128];
+	struct {
+		unsigned long	u_regs[16]; /* globals and ins */
+		unsigned long	tstate;
+		unsigned long	tpc;
+		unsigned long	tnpc;
+		unsigned int	y;
+		unsigned int	fprs;
+	}			sigc_regs;
+	__siginfo_fpu_t *	sigc_fpu_save;
+	struct {
+		void	*	ss_sp;
+		int		ss_flags;
+		unsigned long	ss_size;
+	}			sigc_stack;
+	unsigned long		sigc_mask;
+};
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(__SPARC64_SIGCONTEXT_H) */