diff --git a/sys/arch/mips/include/frame.h b/sys/arch/mips/include/frame.h
index 4f3188b158b7..f3d9751d3f37 100644
--- a/sys/arch/mips/include/frame.h
+++ b/sys/arch/mips/include/frame.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: frame.h,v 1.2 2003/01/17 23:36:08 thorpej Exp $	*/
+/*	$NetBSD: frame.h,v 1.3 2003/10/29 23:40:42 christos Exp $	*/
 
 /*
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -66,6 +66,11 @@ struct saframe {
 	sa_upcall_t	sa_upcall;
 };
 
+void *getframe(struct lwp *, int, int *);
+#ifdef COMPAT_16
+void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *);
+#endif
+
 #endif /* _LOCORE */
 
 #endif /* _MIPS_FRAME_H_ */
diff --git a/sys/arch/mips/include/mcontext.h b/sys/arch/mips/include/mcontext.h
index 901ac63de116..775203999d9a 100644
--- a/sys/arch/mips/include/mcontext.h
+++ b/sys/arch/mips/include/mcontext.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.5 2003/10/29 23:40:42 christos Exp $	*/
 
 /*-
  * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
@@ -141,6 +141,9 @@ typedef struct {
 #define _OFFSETOF_UC_GREGS	56
 #endif
 
+#define	_UC_SETSTACK	0x00010000
+#define	_UC_CLRSTACK	0x00020000
+
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_EPC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_V0])
diff --git a/sys/arch/mips/include/signal.h b/sys/arch/mips/include/signal.h
index 487cf521c9cc..195375513574 100644
--- a/sys/arch/mips/include/signal.h
+++ b/sys/arch/mips/include/signal.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: signal.h,v 1.20 2003/08/07 16:28:29 agc Exp $	*/
+/*	$NetBSD: signal.h,v 1.21 2003/10/29 23:40:42 christos Exp $	*/
 
 /*
  * Copyright (c) 1992, 1993
@@ -41,8 +41,16 @@
 
 #include <machine/cdefs.h>	/* for API selection */
 
+#define __HAVE_SIGINFO
+#ifdef COMPAT_16 
+#define SIGTRAMP_VALID(vers) ((unsigned)(vers) <= 2)
+#else
+#define SIGTRAMP_VALID(vers) ((vers) == 2)
+#endif 
+
 #if !defined(__ASSEMBLER__)
 
+
 /*
  * Machine-dependent signal definitions
  */