33 files changed, 651 insertions, 558 deletions

diff --git a/lib/libc/Makefile b/lib/libc/Makefile
index b48d858de4f3..720c0f4145b9 100644
--- a/lib/libc/Makefile
+++ b/lib/libc/Makefile
@@ -51,7 +51,12 @@ NOASM=
 .include "${.CURDIR}/posix1e/Makefile.inc"
 .if ${MACHINE_ARCH} != "amd64" && \
     ${MACHINE_ARCH} != "ia64" && \
-    ${MACHINE_ARCH} != "sparc64"
+    ${MACHINE_ARCH} != "sparc64" && \
+    ${MACHINE_ARCH} != "mips"
+.include "${.CURDIR}/quad/Makefile.inc"
+.endif
+.if ${MACHINE_ARCH} == "mips" && \
+    (!defined(TARGET_ABI) || ${TARGET_ABI} == "o32")
 .include "${.CURDIR}/quad/Makefile.inc"
 .endif
 .include "${.CURDIR}/regex/Makefile.inc"
@@ -64,7 +69,7 @@ NOASM=
 .include "${.CURDIR}/rpc/Makefile.inc"
 .include "${.CURDIR}/uuid/Makefile.inc"
 .include "${.CURDIR}/xdr/Makefile.inc"
-.if ${MACHINE_ARCH} == "arm"
+.if ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "mips"
 .include "${.CURDIR}/softfloat/Makefile.inc"
 .endif
 .if ${MK_NIS} != "no"
diff --git a/lib/libc/mips/Makefile.inc b/lib/libc/mips/Makefile.inc
index 2ae88d8910bb..a02ca01f22ff 100644
--- a/lib/libc/mips/Makefile.inc
+++ b/lib/libc/mips/Makefile.inc
@@ -1,8 +1,6 @@
 #	$NetBSD: Makefile.inc,v 1.7 2005/09/17 11:49:39 tsutsui Exp $
 # $FreeBSD$
 
-SOFTFLOAT_BITS=32
-
 CFLAGS+=-DSOFTFLOAT
 
 MDSRCS+= machdep_ldisd.c
diff --git a/lib/libc/mips/SYS.h b/lib/libc/mips/SYS.h
index c4aad4457a1b..10205b8793a4 100644
--- a/lib/libc/mips/SYS.h
+++ b/lib/libc/mips/SYS.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: SYS.h,v 1.18 2003/10/29 12:28:33 pooka Exp $ */
+/*	$NetBSD: SYS.h,v 1.19 2009/12/14 01:07:41 matt Exp $ */
 /* $FreeBSD$ */
 
 /*-
@@ -79,14 +79,22 @@
  */
 #ifdef __ABICALLS__
 	.abicalls
-# define PIC_PROLOGUE(x,sr)	.set noreorder; .cpload sr; .set reorder
-# define PIC_CALL(l,sr)		la sr, _C_LABEL(l); jr sr
+# if defined(__mips_o32) || defined(__mips_o64)
+#  define PIC_PROLOGUE(x)	SETUP_GP
+#  define PIC_TAILCALL(l)	PTR_LA t9, _C_LABEL(l); jr t9
+#  define PIC_RETURN()		j ra
+# else
+#  define PIC_PROLOGUE(x)	SETUP_GP64(t3, x)
+#  define PIC_TAILCALL(l)	PTR_LA t9, _C_LABEL(l); RESTORE_GP64; jr t9
+#  define PIC_RETURN()		RESTORE_GP64; j ra
+# endif
 #else
-# define PIC_PROLOGUE(x,sr)
-# define PIC_CALL(l,sr)		j  _C_LABEL(l)
-#endif
+# define PIC_PROLOGUE(x)
+# define PIC_TAILCALL(l)	j  _C_LABEL(l)
+# define PIC_RETURN()		j ra
+#endif /* __ABICALLS__ */
 
-# define SYSTRAP(x)	li v0, SYS_ ## x; syscall;
+# define SYSTRAP(x)	li v0,SYS_ ## x; syscall;
 
 /*
  * Do a syscall that cannot fail (sync, get{p,u,g,eu,eg)id)
@@ -106,7 +114,7 @@
  */
 #define PSEUDO_NOERROR(x)						\
 LEAF(__sys_ ## x);							\
-        .weak _C_LABEL(x);						\
+	.weak _C_LABEL(x);						\
 	_C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x));			\
 	.weak _C_LABEL(__CONCAT(_,x));					\
 	_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x));		\
@@ -116,14 +124,14 @@ LEAF(__sys_ ## x);							\
 
 #define PSEUDO(x)							\
 LEAF(__sys_ ## x);							\
-        .weak _C_LABEL(x);						\
+	.weak _C_LABEL(x);						\
 	_C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x));			\
 	.weak _C_LABEL(__CONCAT(_,x));					\
 	_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x));		\
-	PIC_PROLOGUE(x,t9);						\
+	PIC_PROLOGUE(__sys_ ## x);					\
 	SYSTRAP(x);							\
 	bne a3,zero,err;						\
-	j ra;								\
+	PIC_RETURN();							\
 err:									\
-	PIC_CALL(__cerror,t9);						\
-	END(__sys_ ## x)
+	PIC_TAILCALL(__cerror);						\
+END(__sys_ ## x)
diff --git a/lib/libc/mips/Symbol.map b/lib/libc/mips/Symbol.map
index 2bbdd6dd3442..b47855178755 100644
--- a/lib/libc/mips/Symbol.map
+++ b/lib/libc/mips/Symbol.map
@@ -24,13 +24,9 @@ FBSD_1.0 {
 	sigsetjmp;
 	siglongjmp;
 	htonl;
-	__htonl;
 	htons;
-	__htons;
 	ntohl;
-	__ntohl;
 	ntohs;
-	__ntohs;
 	vfork;
 	brk;
 	cerror;		/* XXX - Should this be .cerror (see sys/cerror.S)? */
@@ -56,9 +52,27 @@ FBSDprivate_1.0 {
 	__siglongjmp;
 	__sys_vfork;
 	_vfork;
-	end;		/* XXX - Should this be _end (see sys/brk.S)? */
-	curbrk;
+	_end;
+	__curbrk;
 	minbrk;
 	_brk;
 	_sbrk;
+
+	/* softfloat */
+	__addsf3;
+	__adddf3;
+	__subsf3;
+	__subdf3;
+	__mulsf3;
+	__muldf3;
+	__divsf3;
+	__divdf3;
+	__floatsisf;
+	__floatsidf;
+	__fixsfsi;
+	__fixdfsi;
+	__fixunssfsi;
+	__fixunsdfsi;
+	__extendsfdf2;
+	__truncdfsf2;
 };
diff --git a/lib/libc/mips/gen/Makefile.inc b/lib/libc/mips/gen/Makefile.inc
index 2fa20b054637..1fafb012bdc3 100644
--- a/lib/libc/mips/gen/Makefile.inc
+++ b/lib/libc/mips/gen/Makefile.inc
@@ -6,4 +6,4 @@ SRCS+=	infinity.c fabs.c ldexp.c modf.c
 # SRCS+=	flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \
 #	fpsetround.c fpsetsticky.c
 
-SRCS+=	_set_tp.c _setjmp.S makecontext.c setjmp.S signalcontext.c sigsetjmp.S
+SRCS+=	_ctx_start.S _set_tp.c _setjmp.S makecontext.c setjmp.S signalcontext.c sigsetjmp.S
diff --git a/lib/libc/mips/gen/_ctx_start.S b/lib/libc/mips/gen/_ctx_start.S
new file mode 100644
index 000000000000..5d754a9927d1
--- /dev/null
+++ b/lib/libc/mips/gen/_ctx_start.S
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 2010 Juli Mallett.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * XXX gp?
+ */
+ENTRY(_ctx_start)
+	jalr	t9
+
+	move	a0, s0
+	PTR_LA	t9, _ctx_done
+	jalr	t9
+
+	break	0
+END(_ctx_start)
diff --git a/lib/libc/mips/gen/_setjmp.S b/lib/libc/mips/gen/_setjmp.S
index 596c71200405..3918407038c6 100644
--- a/lib/libc/mips/gen/_setjmp.S
+++ b/lib/libc/mips/gen/_setjmp.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: _setjmp.S,v 1.20 2005/10/07 17:16:40 tsutsui Exp $	*/
+/*	$NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -36,14 +36,15 @@
 __FBSDID("$FreeBSD$");
 #include <machine/regnum.h>
 
-#if defined(LIBC_SCCS) && !defined(lint)
-	ASMSTR("from: @(#)_setjmp.s	8.1 (Berkeley) 6/4/93")
-	ASMSTR("$NetBSD: _setjmp.S,v 1.20 2005/10/07 17:16:40 tsutsui Exp $")
-#endif /* LIBC_SCCS and not lint */
+#include "SYS.h"
 
-#ifdef __ABICALLS__
-	.abicalls
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+	RCSID("from: @(#)_setjmp.s	8.1 (Berkeley) 6/4/93")
+#else
+	RCSID("$NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $")
 #endif
+#endif /* LIBC_SCCS and not lint */
 
 /*
  * C library -- _setjmp, _longjmp
@@ -56,62 +57,70 @@ __FBSDID("$FreeBSD$");
  * The previous signal state is NOT restored.
  */
 
+	.set	noreorder
 
 LEAF(_setjmp)
-#ifdef __ABICALLS__ 
-	.set	noreorder
-	.cpload t9
-	subu	sp, sp, CALLFRAME_SIZ	# allocate stack frame
-	.cprestore 16
+	REG_PROLOGUE
+	REG_LI	v0, _JB_MAGIC__SETJMP
+	REG_S	v0, (_JB_MAGIC  * SZREG)(a0)
+	REG_S	ra, (_JB_REG_RA * SZREG)(a0)
+	REG_S	s0, (_JB_REG_S0 * SZREG)(a0)
+	REG_S	s1, (_JB_REG_S1 * SZREG)(a0)
+	REG_S	s2, (_JB_REG_S2 * SZREG)(a0)
+	REG_S	s3, (_JB_REG_S3 * SZREG)(a0)
+	REG_S	s4, (_JB_REG_S4 * SZREG)(a0)
+	REG_S	s5, (_JB_REG_S5 * SZREG)(a0)
+	REG_S	s6, (_JB_REG_S6 * SZREG)(a0)
+	REG_S	s7, (_JB_REG_S7 * SZREG)(a0)
+	REG_S	s8, (_JB_REG_S8 * SZREG)(a0)
+#if defined(__mips_n32) || defined(__mips_n64)
+	REG_S	gp, (_JB_REG_GP * SZREG)(a0)	# newabi gp is callee-saved
 #endif
-	li	v0, _JB_MAGIC__SETJMP
-	sw	v0, (_JB_MAGIC  * SZREG)(a0)
-	sw	ra, (_JB_REG_RA * SZREG)(a0)
-	sw	s0, (_JB_REG_S0 * SZREG)(a0)
-	sw	s1, (_JB_REG_S1 * SZREG)(a0)
-	sw	s2, (_JB_REG_S2 * SZREG)(a0)
-	sw	s3, (_JB_REG_S3 * SZREG)(a0)
-	sw	s4, (_JB_REG_S4 * SZREG)(a0)
-	sw	s5, (_JB_REG_S5 * SZREG)(a0)
-	sw	s6, (_JB_REG_S6 * SZREG)(a0)
-	sw	s7, (_JB_REG_S7 * SZREG)(a0)
-	sw	s8, (_JB_REG_S8 * SZREG)(a0)
-#ifdef __ABICALLS__
-	addu	sp, sp, CALLFRAME_SIZ	# un-allocate the stack frame
-#endif	
-	sw	sp, (_JB_REG_SP * SZREG)(a0)
+	REG_S	sp, (_JB_REG_SP * SZREG)(a0)
+	REG_EPILOGUE
+
 	j	ra
 	move	v0, zero
 END(_setjmp)
 
 LEAF(_longjmp)
-#ifdef __ABICALLS__ 
-	.set	noreorder
-	.cpload t9
-	subu	sp, sp, CALLFRAME_SIZ	# allocate stack frame
-	.cprestore 16
-#endif  
-	lw	v0, (_JB_MAGIC  * SZREG)(a0)
-	lw	ra, (_JB_REG_RA * SZREG)(a0)
-	li	t0, _JB_MAGIC__SETJMP
-	bne	v0, t0, botch		# jump if error
-	lw	s0, (_JB_REG_S0 * SZREG)(a0)
-	lw	s1, (_JB_REG_S1 * SZREG)(a0)
-	lw	s2, (_JB_REG_S2 * SZREG)(a0)
-	lw	s3, (_JB_REG_S3 * SZREG)(a0)
-	lw	s4, (_JB_REG_S4 * SZREG)(a0)
-	lw	s5, (_JB_REG_S5 * SZREG)(a0)
-	lw	s6, (_JB_REG_S6 * SZREG)(a0)
-	lw	s7, (_JB_REG_S7 * SZREG)(a0)
-	lw	sp, (_JB_REG_SP * SZREG)(a0)
-	lw	s8, (_JB_REG_S8 * SZREG)(a0)
+	PIC_PROLOGUE(_longjmp)
+	PTR_SUBU	sp, sp, CALLFRAME_SIZ
+	SAVE_GP(CALLFRAME_GP)
+
+	REG_PROLOGUE
+	REG_L		v0, (_JB_MAGIC  * SZREG)(a0)	# get magic number
+	REG_L		ra, (_JB_REG_RA * SZREG)(a0)
+	REG_LI		t0, _JB_MAGIC__SETJMP
+	bne		v0, t0, botch		# jump if error
+	PTR_ADDU	sp, sp, CALLFRAME_SIZ	# does not matter, sanity
+	REG_L		s0, (_JB_REG_S0 * SZREG)(a0)
+	REG_L		s1, (_JB_REG_S1 * SZREG)(a0)
+	REG_L		s2, (_JB_REG_S2 * SZREG)(a0)
+	REG_L		s3, (_JB_REG_S3 * SZREG)(a0)
+	REG_L		s4, (_JB_REG_S4 * SZREG)(a0)
+	REG_L		s5, (_JB_REG_S5 * SZREG)(a0)
+	REG_L		s6, (_JB_REG_S6 * SZREG)(a0)
+	REG_L		s7, (_JB_REG_S7 * SZREG)(a0)
+#if defined(__mips_n32) || defined(__mips_n64)
+	REG_L		gp, (_JB_REG_GP * SZREG)(a0)
+#endif
+	REG_L		sp, (_JB_REG_SP * SZREG)(a0)
+	REG_L		s8, (_JB_REG_S8 * SZREG)(a0)
 
+	REG_EPILOGUE
+	move	v0, a1			# get return value in 1st arg
 	j	ra
-	move	v0, a1
+	nop
 
 botch:
-	jal	_C_LABEL(longjmperror)
-	nop
-	jal	_C_LABEL(abort)
+	/*
+	 * We know we aren't returning so we don't care about restoring
+	 * our caller's GP.
+	 */
+	PTR_LA	t9, _C_LABEL(longjmperror)
+	jalr	t9
 	nop
+
+	PIC_TAILCALL(abort)
 END(_longjmp)
diff --git a/lib/libc/mips/gen/fpgetmask.c b/lib/libc/mips/gen/hardfloat/fpgetmask.c
index 505a74c68466..505a74c68466 100644
--- a/lib/libc/mips/gen/fpgetmask.c
+++ b/lib/libc/mips/gen/hardfloat/fpgetmask.c
diff --git a/lib/libc/mips/gen/fpgetround.c b/lib/libc/mips/gen/hardfloat/fpgetround.c
index 6d0f11a5cb6e..6d0f11a5cb6e 100644
--- a/lib/libc/mips/gen/fpgetround.c
+++ b/lib/libc/mips/gen/hardfloat/fpgetround.c
diff --git a/lib/libc/mips/gen/fpgetsticky.c b/lib/libc/mips/gen/hardfloat/fpgetsticky.c
index 8028261c2c81..8028261c2c81 100644
--- a/lib/libc/mips/gen/fpgetsticky.c
+++ b/lib/libc/mips/gen/hardfloat/fpgetsticky.c
diff --git a/lib/libc/mips/gen/fpsetmask.c b/lib/libc/mips/gen/hardfloat/fpsetmask.c
index 7abb3fd05f92..7abb3fd05f92 100644
--- a/lib/libc/mips/gen/fpsetmask.c
+++ b/lib/libc/mips/gen/hardfloat/fpsetmask.c
diff --git a/lib/libc/mips/gen/fpsetround.c b/lib/libc/mips/gen/hardfloat/fpsetround.c
index 020516180033..020516180033 100644
--- a/lib/libc/mips/gen/fpsetround.c
+++ b/lib/libc/mips/gen/hardfloat/fpsetround.c
diff --git a/lib/libc/mips/gen/fpsetsticky.c b/lib/libc/mips/gen/hardfloat/fpsetsticky.c
index e43367117792..e43367117792 100644
--- a/lib/libc/mips/gen/fpsetsticky.c
+++ b/lib/libc/mips/gen/hardfloat/fpsetsticky.c
diff --git a/lib/libc/mips/gen/makecontext.c b/lib/libc/mips/gen/makecontext.c
index 01d88bf2294a..f2a826e77bdd 100644
--- a/lib/libc/mips/gen/makecontext.c
+++ b/lib/libc/mips/gen/makecontext.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: makecontext.c,v 1.3 2003/01/19 08:53:36 matt Exp $	*/
+/*	$NetBSD: makecontext.c,v 1.5 2009/12/14 01:07:42 matt Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -15,13 +15,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *        This product includes software developed by the NetBSD
- *        Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
@@ -39,48 +32,92 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: makecontext.c,v 1.3 2003/01/19 08:53:36 matt Exp $");
+__RCSID("$NetBSD: makecontext.c,v 1.5 2009/12/14 01:07:42 matt Exp $");
 #endif
 
-#include <sys/types.h>
-#include <ucontext.h>
+#include <sys/param.h>
+#include <machine/regnum.h>
+
 #include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <ucontext.h>
+
+__weak_reference(__makecontext, makecontext);
+
+void _ctx_done(ucontext_t *);
+void _ctx_start(void);
 
 void
-makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
+__makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
 {
-	/* XXXMIPS: Implement me */
-#if 0
-	__greg_t *gr = ucp->uc_mcontext.__gregs;
-	uintptr_t *sp;
+	mcontext_t *mc;
+	register_t *sp;
 	int i;
 	va_list ap;
 
-	void __resumecontext(void);
+	/*
+	 * XXX/juli
+	 * We need an mc_len or mc_flags like other architectures
+	 * so that we can mark a context as invalid.  Store it in
+	 * mc->mc_regs[ZERO] perhaps?
+	 */
+	if (argc < 0 || argc > 6 || ucp == NULL ||
+	    ucp->uc_stack.ss_sp == NULL ||
+	    ucp->uc_stack.ss_size < MINSIGSTKSZ)
+		return;
+	mc = &ucp->uc_mcontext;
 
-	/* LINTED uintptr_t is safe */
-	sp  = (uintptr_t *)
+	sp  = (register_t *)
 	    ((uintptr_t)ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
-	/* LINTED uintptr_t is safe */
+#if defined(__mips_o32) || defined(__mips_o64)
 	sp -= (argc >= 4 ? argc : 4);	/* Make room for >=4 arguments. */
-	sp  = (uintptr_t *)
-	      ((uintptr_t)sp & ~0x7);	/* Align on double-word boundary. */
+	sp  = (register_t *)
+	    ((uintptr_t)sp & ~0x7);	/* Align on double-word boundary. */
+#elif defined(__mips_n32) || defined(__mips_n64)
+	sp -= (argc > 8 ? argc - 8 : 0); /* Make room for > 8 arguments. */
+	sp  = (register_t *)
+	    ((uintptr_t)sp & ~0xf);	/* Align on quad-word boundary. */
+#endif
 
-	gr[_REG_SP]  = (__greg_t)sp;
-	gr[_REG_RA]  = (__greg_t)__resumecontext;
-	gr[_REG_T9]  = (__greg_t)func;	/* required for .abicalls */
-	gr[_REG_EPC] = (__greg_t)func;
+	mc->mc_regs[SP] = (intptr_t)sp;
+	mc->mc_regs[S0] = (intptr_t)ucp;
+	mc->mc_regs[T9] = (intptr_t)func;
+	mc->mc_pc = (intptr_t)_ctx_start;
 
 	/* Construct argument list. */
 	va_start(ap, argc);
+#if defined(__mips_o32) || defined(__mips_o64)
 	/* Up to the first four arguments are passed in $a0-3. */
 	for (i = 0; i < argc && i < 4; i++)
-		/* LINTED uintptr_t is safe */
-		gr[_REG_A0 + i] = va_arg(ap, uintptr_t);
+		/* LINTED register_t is safe */
+		mc->mc_regs[A0 + i] = va_arg(ap, register_t);
+	/* Pass remaining arguments on the stack above the $a0-3 gap. */
+	sp += i;
+#endif
+#if defined(__mips_n32) || defined(__mips_n64)
+	/* Up to the first 8 arguments are passed in $a0-7. */
+	for (i = 0; i < argc && i < 8; i++)
+		/* LINTED register_t is safe */
+		mc->mc_regs[A0 + i] = va_arg(ap, register_t);
 	/* Pass remaining arguments on the stack above the $a0-3 gap. */
-	for (sp += 4; i < argc; i++)
+#endif
+	/* Pass remaining arguments on the stack above the $a0-3 gap. */
+	for (; i < argc; i++)
 		/* LINTED uintptr_t is safe */
-		*sp++ = va_arg(ap, uintptr_t);
+		*sp++ = va_arg(ap, register_t);
 	va_end(ap);
-#endif
+}
+
+void
+_ctx_done(ucontext_t *ucp)
+{
+
+	if (ucp->uc_link == NULL)
+		exit(0);
+	else {
+		setcontext((const ucontext_t *)ucp->uc_link);
+		abort();
+	}
 }
diff --git a/lib/libc/mips/gen/setjmp.S b/lib/libc/mips/gen/setjmp.S
index 2abc57b02c2f..deeb8924e308 100644
--- a/lib/libc/mips/gen/setjmp.S
+++ b/lib/libc/mips/gen/setjmp.S
@@ -41,6 +41,8 @@ __FBSDID("$FreeBSD$");
 	ASMSTR("$NetBSD: setjmp.S,v 1.17 2005/09/17 11:49:39 tsutsui Exp $")
 #endif /* LIBC_SCCS and not lint */
 
+#include "SYS.h"
+
 #ifdef __ABICALLS__
 	.abicalls
 #endif
@@ -61,100 +63,102 @@ __FBSDID("$FreeBSD$");
 
 NESTED(setjmp, SETJMP_FRAME_SIZE, ra)
 	.mask	0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
-	.set	noreorder
-#ifdef __ABICALLS__
-	.cpload	t9
-#endif
-	subu	sp, sp, SETJMP_FRAME_SIZE	# allocate stack frame
-#ifdef __ABICALLS__
-	.cprestore 16
-#endif
-	sw	ra, CALLFRAME_RA(sp)		# save RA
-	sw	a0, CALLFRAME_SIZ(sp)		# store env
+	SETUP_GP
+	PTR_SUBU sp, sp, SETJMP_FRAME_SIZE	# allocate stack frame
+	SAVE_GP(CALLFRAME_GP)
+	SETUP_GP64(CALLFRAME_GP, setjmp)
+
+	REG_S	ra, CALLFRAME_RA(sp)		# save RA
+	REG_S	a0, CALLFRAME_SIZ(sp)		# store env
 
 	/* Get the signal mask. */
-	addu	a2, a0, _JB_SIGMASK * SZREG	# &oenv
+	PTR_ADDU a2, a0, _JB_SIGMASK * SZREG	# &oenv
 	li	a0, 1				# SIG_SETBLOCK
 	move	a1, zero			# &env == 0
-	la	t9, _C_LABEL(sigprocmask)	# get current signal mask
-	jal	t9
-	nop
-
-	lw	a0, CALLFRAME_SIZ(sp)		# restore env pointer
-	lw	ra, CALLFRAME_RA(sp)		# restore RA
-	addu	sp, sp, SETJMP_FRAME_SIZE	# pop stack frame
-
-	li	v0, _JB_MAGIC_SETJMP
-	sw	v0, (_JB_MAGIC  * SZREG)(a0)
-	sw	ra, (_JB_REG_RA * SZREG)(a0)
-	sw	s0, (_JB_REG_S0 * SZREG)(a0)
-	sw	s1, (_JB_REG_S1 * SZREG)(a0)
-	sw	s2, (_JB_REG_S2 * SZREG)(a0)
-	sw	s3, (_JB_REG_S3 * SZREG)(a0)
-	sw	s4, (_JB_REG_S4 * SZREG)(a0)
-	sw	s5, (_JB_REG_S5 * SZREG)(a0)
-	sw	s6, (_JB_REG_S6 * SZREG)(a0)
-	sw	s7, (_JB_REG_S7 * SZREG)(a0)
-	sw	sp, (_JB_REG_SP * SZREG)(a0)
-	sw	s8, (_JB_REG_S8 * SZREG)(a0)
+	PTR_LA	t9, _C_LABEL(sigprocmask)	# get current signal mask
+	jalr	t9
+
+	RESTORE_GP64
+	REG_L	a0, CALLFRAME_SIZ(sp)		# restore env pointer
+	REG_L	ra, CALLFRAME_RA(sp)		# restore RA
+	PTR_ADDU sp, sp, SETJMP_FRAME_SIZE	# pop stack frame
+
+	REG_LI	v0, _JB_MAGIC_SETJMP
+	REG_S	v0, (_JB_MAGIC  * SZREG)(a0)
+	REG_S	ra, (_JB_REG_RA * SZREG)(a0)
+	REG_S	s0, (_JB_REG_S0 * SZREG)(a0)
+	REG_S	s1, (_JB_REG_S1 * SZREG)(a0)
+	REG_S	s2, (_JB_REG_S2 * SZREG)(a0)
+	REG_S	s3, (_JB_REG_S3 * SZREG)(a0)
+	REG_S	s4, (_JB_REG_S4 * SZREG)(a0)
+	REG_S	s5, (_JB_REG_S5 * SZREG)(a0)
+	REG_S	s6, (_JB_REG_S6 * SZREG)(a0)
+	REG_S	s7, (_JB_REG_S7 * SZREG)(a0)
+	REG_S	sp, (_JB_REG_SP * SZREG)(a0)
+	REG_S	s8, (_JB_REG_S8 * SZREG)(a0)
+#if defined(__mips_n32) || defined(__mips_n64)
+	REG_S	gp, (_JB_REG_GP * SZREG)(a0)
+#endif
 
 	move	v0, zero
-	j	ra
+	jr	ra
 END(setjmp)
 
 #define LONGJMP_FRAME_SIZE	(CALLFRAME_SIZ + (SZREG * 2))
 
 NESTED(longjmp, LONGJMP_FRAME_SIZE, ra)
 	.mask	0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
-	.set	noreorder
-#ifdef __ABICALLS__
-	.cpload	t9
-#endif
-	subu	sp, sp, LONGJMP_FRAME_SIZE	# allocate stack frame
-#ifdef __ABICALLS__
-	.cprestore 16
-#endif
-	sw	ra, CALLFRAME_RA(sp)		# save RA
-	lw	v0, (_JB_MAGIC  * SZREG)(a0)
-	li	t0, _JB_MAGIC_SETJMP
+	PIC_PROLOGUE(longjmp)
+	PTR_SUBU sp, sp, LONGJMP_FRAME_SIZE	# allocate stack frame
+	SAVE_GP(CALLFRAME_GP)
+
+	REG_S	ra, CALLFRAME_RA(sp)		# save RA
+	REG_L	v0, (_JB_MAGIC  * SZREG)(a0)
+	REG_LI	t0, _JB_MAGIC_SETJMP
 	bne	v0, t0, botch		# jump if error
 	nop
 
-	sw	a0, CALLFRAME_SIZ(sp)		# save env
-	sw	a1, (CALLFRAME_SIZ + SZREG)(sp)	# save return value
+	REG_S	a0, CALLFRAME_SIZ(sp)		# save env
+	REG_S	a1, (CALLFRAME_SIZ + SZREG)(sp)	# save return value
 
 	# set sigmask
-	addu	a1, a0, _JB_SIGMASK * SZREG	# &set
+	PTR_ADDU a1, a0, _JB_SIGMASK * SZREG	# &set
 	move	a2, zero			# &oset == NULL
 	li	a0, 3				# SIG_SETMASK
-	la	t9,_C_LABEL(sigprocmask)	# set current signal mask
+	PTR_LA	t9,_C_LABEL(sigprocmask)	# set current signal mask
 	jal	t9
 	nop
 
-	lw	a0, CALLFRAME_SIZ(sp)		# restore env
-	lw	a1, (CALLFRAME_SIZ + SZREG)(sp)	# restore return value
-
-	lw	ra, (_JB_REG_RA * SZREG)(a0)
-	lw	s0, (_JB_REG_S0 * SZREG)(a0)
-	lw	s1, (_JB_REG_S1 * SZREG)(a0)
-	lw	s2, (_JB_REG_S2 * SZREG)(a0)
-	lw	s3, (_JB_REG_S3 * SZREG)(a0)
-	lw	s4, (_JB_REG_S4 * SZREG)(a0)
-	lw	s5, (_JB_REG_S5 * SZREG)(a0)
-	lw	s6, (_JB_REG_S6 * SZREG)(a0)
-	lw	s7, (_JB_REG_S7 * SZREG)(a0)
-	lw	sp, (_JB_REG_SP * SZREG)(a0)
-	lw	s8, (_JB_REG_S8 * SZREG)(a0)
+	REG_L	a0, CALLFRAME_SIZ(sp)		# restore env
+	REG_L	a1, (CALLFRAME_SIZ + SZREG)(sp)	# restore return value
+
+	REG_L	ra, (_JB_REG_RA * SZREG)(a0)
+	REG_L	s0, (_JB_REG_S0 * SZREG)(a0)
+	REG_L	s1, (_JB_REG_S1 * SZREG)(a0)
+	REG_L	s2, (_JB_REG_S2 * SZREG)(a0)
+	REG_L	s3, (_JB_REG_S3 * SZREG)(a0)
+	REG_L	s4, (_JB_REG_S4 * SZREG)(a0)
+	REG_L	s5, (_JB_REG_S5 * SZREG)(a0)
+	REG_L	s6, (_JB_REG_S6 * SZREG)(a0)
+	REG_L	s7, (_JB_REG_S7 * SZREG)(a0)
+	REG_L	sp, (_JB_REG_SP * SZREG)(a0)
+	REG_L	s8, (_JB_REG_S8 * SZREG)(a0)
+#if defined(__mips_n32) || defined(__mips_n64)
+	REG_L	gp, (_JB_REG_GP * SZREG)(a0)
+#endif
+
 	move	v0, a1
 	j	ra
 	nop
 
 botch:
-	la	t9, _C_LABEL(longjmperror)
-	jal	t9
+	/*
+	 * We know we aren't returning so we don't care about restoring
+	 * our caller's GP.
+	 */
+	PTR_LA	t9, _C_LABEL(longjmperror)
+	jalr	t9
 	nop
 
-	la	t9, _C_LABEL(abort)
-	jal	t9
-	nop
+	PIC_TAILCALL(abort)
 END(longjmp)
diff --git a/lib/libc/mips/gen/sigsetjmp.S b/lib/libc/mips/gen/sigsetjmp.S
index 4e86e28e667d..7705c29a46b1 100644
--- a/lib/libc/mips/gen/sigsetjmp.S
+++ b/lib/libc/mips/gen/sigsetjmp.S
@@ -40,6 +40,8 @@ __FBSDID("$FreeBSD$");
 	ASMSTR("$NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $")
 #endif /* LIBC_SCCS and not lint */
 
+#include "SYS.h"
+
 #ifdef __ABICALLS__
 	.abicalls
 #endif
@@ -57,30 +59,19 @@ __FBSDID("$FreeBSD$");
  */
 
 LEAF(sigsetjmp)
-#ifdef __ABICALLS__
-	.set	noreorder
-	.cpload	t9
-	.set	reorder
-#endif
+	PIC_PROLOGUE(sigsetjmp)
+
 	bne	a1, 0x0, 1f			# do saving of signal mask?
-	la	t9, _setjmp
-	jr t9
+	PIC_TAILCALL(_setjmp)
 
-1:	la	t9, setjmp
-	jr t9
+1:	PIC_TAILCALL(setjmp)
 END(sigsetjmp)
 
 LEAF(siglongjmp)
-#ifdef __ABICALLS__
-	.set	noreorder
-	.cpload	t9
-	.set	reorder
-#endif
-	lw	t0, (_JB_MAGIC  * SZREG)(a0)
-	li	t1, _JB_MAGIC__SETJMP
+	PIC_PROLOGUE(siglongjmp)
+	REG_L	t0, (_JB_MAGIC  * SZREG)(a0)
+	REG_LI	t1, _JB_MAGIC__SETJMP
 	bne	t0, t1, 1f			# setjmp or _setjmp magic?
-	la	t9, _longjmp
-	jr	t9
-1:	la	t9, longjmp
-	jr	t9
+	PIC_TAILCALL(_longjmp)
+1:	PIC_TAILCALL(longjmp)
 END(siglongjmp)
diff --git a/lib/libc/mips/string/bcmp.S b/lib/libc/mips/string/bcmp.S
index 7b7fa687beae..ffcaeeb1a3fa 100644
--- a/lib/libc/mips/string/bcmp.S
+++ b/lib/libc/mips/string/bcmp.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: bcmp.S,v 1.8 2003/08/07 16:42:16 agc Exp $	*/
+/*	$NetBSD: bcmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -35,9 +35,15 @@
 #include <machine/asm.h>
 __FBSDID("$FreeBSD$");
 
+#define _LOCORE		/* XXX not really, just assembly-code source */
+#include <machine/endian.h>	/* LWLO/LWHI, SWLO/SWHI */
+
 #if defined(LIBC_SCCS) && !defined(lint)
+#if 0
 	ASMSTR("from: @(#)bcmp.s	8.1 (Berkeley) 6/4/93")
-	ASMSTR("$NetBSD: bcmp.S,v 1.8 2003/08/07 16:42:16 agc Exp $")
+#else
+	ASMSTR("$NetBSD: bcmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $")
+#endif
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef __ABICALLS__
@@ -49,86 +55,76 @@ __FBSDID("$FreeBSD$");
 
 LEAF(bcmp)
 	.set	noreorder
-	blt	a2, 16, small		# is it worth any trouble?
-	xor	v0, a0, a1		# compare low two bits of addresses
-	and	v0, v0, 3
-	subu	a3, zero, a1		# compute # bytes to word align address
-	bne	v0, zero, unaligned	# not possible to align addresses
-	and	a3, a3, 3
+	blt		a2, 16, small	# is it worth any trouble?
+	xor		v0, a0, a1	# compare low two bits of addresses
+	and		v0, v0, 3
+	PTR_SUBU	a3, zero, a1	# compute # bytes to word align address
+	bne		v0, zero, unaligned # not possible to align addresses
+	and		a3, a3, 3
 
-	beq	a3, zero, 1f
-	subu	a2, a2, a3		# subtract from remaining count
-	move	v0, v1			# init v0,v1 so unmodified bytes match
-#ifdef __MIPSEB__
-	lwl	v0, 0(a0)		# read 1, 2, or 3 bytes
-	lwl	v1, 0(a1)
-#else
-	lwr	v0, 0(a0)		# read 1, 2, or 3 bytes
-	lwr	v1, 0(a1)
-#endif
-	addu	a1, a1, a3
-	bne	v0, v1, nomatch
-	addu	a0, a0, a3
+	beq		a3, zero, 1f
+	PTR_SUBU	a2, a2, a3	# subtract from remaining count
+	move		v0, v1		# init v0,v1 so unmodified bytes match
+	LWHI		v0, 0(a0)	# read 1, 2, or 3 bytes
+	LWHI		v1, 0(a1)
+	PTR_ADDU	a1, a1, a3
+	bne		v0, v1, nomatch
+	PTR_ADDU	a0, a0, a3
 1:
-	and	a3, a2, ~3		# compute number of whole words left
-	subu	a2, a2, a3		#   which has to be >= (16-3) & ~3
-	addu	a3, a3, a0		# compute ending address
+	and		a3, a2, ~3	# compute number of whole words left
+	PTR_SUBU	a2, a2, a3	#   which has to be >= (16-3) & ~3
+	PTR_ADDU	a3, a3, a0	# compute ending address
 2:
-	lw	v0, 0(a0)		# compare words
-	lw	v1, 0(a1)
-	addu	a0, a0, 4
-	bne	v0, v1, nomatch
-	addu	a1, a1, 4
-	bne	a0, a3, 2b
+	lw		v0, 0(a0)	# compare words
+	lw		v1, 0(a1)
+	PTR_ADDU	a0, a0, 4
+	bne		v0, v1, nomatch
+	PTR_ADDU	a1, a1, 4
+	bne		a0, a3, 2b
 	nop
-	b	small			# finish remainder
+	b		small		# finish remainder
 	nop
 unaligned:
-	beq	a3, zero, 2f
-	subu	a2, a2, a3		# subtract from remaining count
-	addu	a3, a3, a0		# compute ending address
+	beq		a3, zero, 2f
+	PTR_SUBU	a2, a2, a3	# subtract from remaining count
+	PTR_ADDU	a3, a3, a0	# compute ending address
 1:
-	lbu	v0, 0(a0)		# compare bytes until a1 word aligned
-	lbu	v1, 0(a1)
-	addu	a0, a0, 1
-	bne	v0, v1, nomatch
-	addu	a1, a1, 1
-	bne	a0, a3, 1b
+	lbu		v0, 0(a0)	# compare bytes until a1 word aligned
+	lbu		v1, 0(a1)
+	PTR_ADDU	a0, a0, 1
+	bne		v0, v1, nomatch
+	PTR_ADDU	a1, a1, 1
+	bne		a0, a3, 1b
 	nop
 2:
-	and	a3, a2, ~3		# compute number of whole words left
-	subu	a2, a2, a3		#   which has to be >= (16-3) & ~3
-	addu	a3, a3, a0		# compute ending address
+	and		a3, a2, ~3	# compute number of whole words left
+	PTR_SUBU	a2, a2, a3	#   which has to be >= (16-3) & ~3
+	PTR_ADDU	a3, a3, a0	# compute ending address
 3:
-#ifdef __MIPSEB__
-	lwl	v0, 0(a0)		# compare words a0 unaligned, a1 aligned
-	lwr	v0, 3(a0)
-#else
-	lwr	v0, 0(a0)		# compare words a0 unaligned, a1 aligned
-	lwl	v0, 3(a0)
-#endif
-	lw	v1, 0(a1)
-	addu	a0, a0, 4
-	bne	v0, v1, nomatch
-	addu	a1, a1, 4
-	bne	a0, a3, 3b
+	LWHI		v0, 0(a0)	# compare words a0 unaligned, a1 aligned
+	LWLO		v0, 3(a0)
+	lw		v1, 0(a1)
+	PTR_ADDU	a0, a0, 4
+	bne		v0, v1, nomatch
+	PTR_ADDU	a1, a1, 4
+	bne		a0, a3, 3b
 	nop
 small:
-	ble	a2, zero, match
-	addu	a3, a2, a0		# compute ending address
+	ble		a2, zero, match
+	PTR_ADDU	a3, a2, a0		# compute ending address
 1:
-	lbu	v0, 0(a0)
-	lbu	v1, 0(a1)
-	addu	a0, a0, 1
-	bne	v0, v1, nomatch
-	addu	a1, a1, 1
-	bne	a0, a3, 1b
+	lbu		v0, 0(a0)
+	lbu		v1, 0(a1)
+	PTR_ADDU	a0, a0, 1
+	bne		v0, v1, nomatch
+	PTR_ADDU	a1, a1, 1
+	bne		a0, a3, 1b
 	nop
 match:
-	j	ra
-	move	v0, zero
+	j		ra
+	move		v0, zero
 nomatch:
-	j	ra
-	li	v0, 1
+	j		ra
+	li		v0, 1
 	.set	reorder
 END(bcmp)
diff --git a/lib/libc/mips/string/bcopy.S b/lib/libc/mips/string/bcopy.S
index 6287d0696f00..bc227e07d662 100644
--- a/lib/libc/mips/string/bcopy.S
+++ b/lib/libc/mips/string/bcopy.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: bcopy.S,v 1.2 2005/12/27 11:23:53 tsutsui Exp $	*/
+/*	$NetBSD: bcopy.S,v 1.3 2009/12/14 00:39:00 matt Exp $	*/
 
 /*
  * Mach Operating System
@@ -38,9 +38,15 @@
 #include <machine/asm.h>
 __FBSDID("$FreeBSD$");
 
+#define _LOCORE		/* XXX not really, just assembly-code source */
+#include <machine/endian.h>
+
 #if defined(LIBC_SCCS) && !defined(lint)
+#if 0
 	ASMSTR("from: @(#)mips_bcopy.s	2.2 CMU 18/06/93")
-	ASMSTR("$NetBSD: bcopy.S,v 1.2 2005/12/27 11:23:53 tsutsui Exp $")
+#else
+	ASMSTR("$NetBSD: bcopy.S,v 1.3 2009/12/14 00:39:00 matt Exp $")
+#endif
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef __ABICALLS__
@@ -99,71 +105,72 @@ LEAF(FUNCTION)
 	 *	copy is alignable.  eg if src and dest are both
 	 *	on a halfword boundary.
 	 */
-	andi	t1,DSTREG,3		# get last 3 bits of dest
-	bne	t1,zero,3f
-	andi	t0,SRCREG,3		# get last 3 bits of src
-	bne	t0,zero,5f
+	andi		t1,DSTREG,(SZREG-1)	# get last bits of dest
+	bne		t1,zero,3f		# dest unaligned
+	andi		t0,SRCREG,(SZREG-1)	# get last bits of src
+	bne		t0,zero,5f
 
 	/*
-	 *	Forward aligned->aligned copy, 8*4 bytes at a time.
+	 *	Forward aligned->aligned copy, 8 words at a time.
 	 */
-	li	AT,-32
-	and	t0,SIZEREG,AT		# count truncated to multiple of 32 */
-	addu	a3,SRCREG,t0		# run fast loop up to this address
-	sltu	AT,SRCREG,a3		# any work to do?
-	beq	AT,zero,2f
-	subu	SIZEREG,t0
+98:
+	li		AT,-(SZREG*8)
+	and		t0,SIZEREG,AT		# count truncated to multiples
+	PTR_ADDU	a3,SRCREG,t0		# run fast loop up to this addr
+	sltu		AT,SRCREG,a3		# any work to do?
+	beq		AT,zero,2f
+	PTR_SUBU	SIZEREG,t0
 
 	/*
 	 *	loop body
 	 */
 1:	# cp
-	lw	t3,0(SRCREG)
-	lw	v1,4(SRCREG)
-	lw	t0,8(SRCREG)
-	lw	t1,12(SRCREG)
-	addu	SRCREG,32
-	sw	t3,0(DSTREG)
-	sw	v1,4(DSTREG)
-	sw	t0,8(DSTREG)
-	sw	t1,12(DSTREG)
-	lw	t1,-4(SRCREG)
-	lw	t0,-8(SRCREG)
-	lw	v1,-12(SRCREG)
-	lw	t3,-16(SRCREG)
-	addu	DSTREG,32
-	sw	t1,-4(DSTREG)
-	sw	t0,-8(DSTREG)
-	sw	v1,-12(DSTREG)
-	bne	SRCREG,a3,1b
-	sw	t3,-16(DSTREG)
+	REG_L		t3,(0*SZREG)(SRCREG)
+	REG_L		v1,(1*SZREG)(SRCREG)
+	REG_L		t0,(2*SZREG)(SRCREG)
+	REG_L		t1,(3*SZREG)(SRCREG)
+	PTR_ADDU	SRCREG,SZREG*8
+	REG_S		t3,(0*SZREG)(DSTREG)
+	REG_S		v1,(1*SZREG)(DSTREG)
+	REG_S		t0,(2*SZREG)(DSTREG)
+	REG_S		t1,(3*SZREG)(DSTREG)
+	REG_L		t1,(-1*SZREG)(SRCREG)
+	REG_L		t0,(-2*SZREG)(SRCREG)
+	REG_L		v1,(-3*SZREG)(SRCREG)
+	REG_L		t3,(-4*SZREG)(SRCREG)
+	PTR_ADDU	DSTREG,SZREG*8
+	REG_S		t1,(-1*SZREG)(DSTREG)
+	REG_S		t0,(-2*SZREG)(DSTREG)
+	REG_S		v1,(-3*SZREG)(DSTREG)
+	bne		SRCREG,a3,1b
+	REG_S		t3,(-4*SZREG)(DSTREG)
 
 	/*
 	 *	Copy a word at a time, no loop unrolling.
 	 */
 2:	# wordcopy
-	andi	t2,SIZEREG,3		# get byte count / 4
-	subu	t2,SIZEREG,t2		# t2 = number of words to copy * 4
-	beq	t2,zero,3f
-	addu	t0,SRCREG,t2		# stop at t0
-	subu	SIZEREG,SIZEREG,t2
+	andi		t2,SIZEREG,(SZREG-1)	# get byte count / SZREG
+	PTR_SUBU	t2,SIZEREG,t2		# t2 = words to copy * SZREG
+	beq		t2,zero,3f
+	PTR_ADDU	t0,SRCREG,t2		# stop at t0
+	PTR_SUBU	SIZEREG,SIZEREG,t2
 1:
-	lw	t3,0(SRCREG)
-	addu	SRCREG,4
-	sw	t3,0(DSTREG)
-	bne	SRCREG,t0,1b
-	addu	DSTREG,4
+	REG_L		t3,0(SRCREG)
+	PTR_ADDU	SRCREG,SZREG
+	REG_S		t3,0(DSTREG)
+	bne		SRCREG,t0,1b
+	PTR_ADDU	DSTREG,SZREG
 
 3:	# bytecopy
-	beq	SIZEREG,zero,4f	# nothing left to do?
+	beq		SIZEREG,zero,4f		# nothing left to do?
 	nop
 1:
-	lb	t3,0(SRCREG)
-	addu	SRCREG,1
-	sb	t3,0(DSTREG)
-	subu	SIZEREG,1
-	bgtz	SIZEREG,1b
-	addu	DSTREG,1
+	lb		t3,0(SRCREG)
+	PTR_ADDU	SRCREG,1
+	sb		t3,0(DSTREG)
+	PTR_SUBU	SIZEREG,1
+	bgtz		SIZEREG,1b
+	PTR_ADDU	DSTREG,1
 
 4:	# copydone
 	j	ra
@@ -173,96 +180,91 @@ LEAF(FUNCTION)
 	 *	Copy from unaligned source to aligned dest.
 	 */
 5:	# destaligned
-	andi	t0,SIZEREG,3		# t0 = bytecount mod 4
-	subu	a3,SIZEREG,t0		# number of words to transfer
-	beq	a3,zero,3b
+	andi		t0,SIZEREG,(SZREG-1)	# t0 = bytecount mod SZREG
+	PTR_SUBU	a3,SIZEREG,t0		# number of words to transfer
+	beq		a3,zero,3b
 	nop
-	move	SIZEREG,t0		# this many to do after we are done
-	addu	a3,SRCREG,a3		# stop point
+	move		SIZEREG,t0		# this many to do after we are done
+	PTR_ADDU	a3,SRCREG,a3		# stop point
 
 1:
-#ifdef __MIPSEB__
-	lwl	t3,0(SRCREG)
-	lwr	t3,3(SRCREG)
-#else
-	lwr	t3,0(SRCREG)
-	lwl	t3,3(SRCREG)
-#endif
-	addi	SRCREG,4
-	sw	t3,0(DSTREG)
-	bne	SRCREG,a3,1b
-	addi	DSTREG,4
+	REG_LHI		t3,0(SRCREG)
+	REG_LLO		t3,SZREG-1(SRCREG)
+	PTR_ADDI	SRCREG,SZREG
+	REG_S		t3,0(DSTREG)
+	bne		SRCREG,a3,1b
+	PTR_ADDI	DSTREG,SZREG
 
-	j	3b
+	b		3b
 	nop
 
 6:	# backcopy -- based on above
-	addu	SRCREG,SIZEREG
-	addu	DSTREG,SIZEREG
-	andi	t1,DSTREG,3		# get last 3 bits of dest
-	bne	t1,zero,3f
-	andi	t0,SRCREG,3		# get last 3 bits of src
-	bne	t0,zero,5f
+	PTR_ADDU	SRCREG,SIZEREG
+	PTR_ADDU	DSTREG,SIZEREG
+	andi		t1,DSTREG,SZREG-1	# get last 3 bits of dest
+	bne		t1,zero,3f
+	andi		t0,SRCREG,SZREG-1	# get last 3 bits of src
+	bne		t0,zero,5f
 
 	/*
 	 *	Forward aligned->aligned copy, 8*4 bytes at a time.
 	 */
-	li	AT,-32
-	and	t0,SIZEREG,AT		# count truncated to multiple of 32
-	beq	t0,zero,2f		# any work to do?
-	subu	SIZEREG,t0
-	subu	a3,SRCREG,t0
+	li		AT,(-8*SZREG)
+	and		t0,SIZEREG,AT		# count truncated to multiple of 32
+	beq		t0,zero,2f		# any work to do?
+	PTR_SUBU	SIZEREG,t0
+	PTR_SUBU	a3,SRCREG,t0
 
 	/*
 	 *	loop body
 	 */
 1:	# cp
-	lw	t3,-16(SRCREG)
-	lw	v1,-12(SRCREG)
-	lw	t0,-8(SRCREG)
-	lw	t1,-4(SRCREG)
-	subu	SRCREG,32
-	sw	t3,-16(DSTREG)
-	sw	v1,-12(DSTREG)
-	sw	t0,-8(DSTREG)
-	sw	t1,-4(DSTREG)
-	lw	t1,12(SRCREG)
-	lw	t0,8(SRCREG)
-	lw	v1,4(SRCREG)
-	lw	t3,0(SRCREG)
-	subu	DSTREG,32
-	sw	t1,12(DSTREG)
-	sw	t0,8(DSTREG)
-	sw	v1,4(DSTREG)
-	bne	SRCREG,a3,1b
-	sw	t3,0(DSTREG)
+	REG_L		t3,(-4*SZREG)(SRCREG)
+	REG_L		v1,(-3*SZREG)(SRCREG)
+	REG_L		t0,(-2*SZREG)(SRCREG)
+	REG_L		t1,(-1*SZREG)(SRCREG)
+	PTR_SUBU	SRCREG,8*SZREG
+	REG_S		t3,(-4*SZREG)(DSTREG)
+	REG_S		v1,(-3*SZREG)(DSTREG)
+	REG_S		t0,(-2*SZREG)(DSTREG)
+	REG_S		t1,(-1*SZREG)(DSTREG)
+	REG_L		t1,(3*SZREG)(SRCREG)
+	REG_L		t0,(2*SZREG)(SRCREG)
+	REG_L		v1,(1*SZREG)(SRCREG)
+	REG_L		t3,(0*SZREG)(SRCREG)
+	PTR_SUBU	DSTREG,8*SZREG
+	REG_S		t1,(3*SZREG)(DSTREG)
+	REG_S		t0,(2*SZREG)(DSTREG)
+	REG_S		v1,(1*SZREG)(DSTREG)
+	bne		SRCREG,a3,1b
+	REG_S		t3,(0*SZREG)(DSTREG)
 
 	/*
 	 *	Copy a word at a time, no loop unrolling.
 	 */
 2:	# wordcopy
-	andi	t2,SIZEREG,3		# get byte count / 4
-	subu	t2,SIZEREG,t2		# t2 = number of words to copy * 4
-	beq	t2,zero,3f
-	subu	t0,SRCREG,t2		# stop at t0
-	subu	SIZEREG,SIZEREG,t2
+	andi		t2,SIZEREG,SZREG-1	# get byte count / 4
+	PTR_SUBU	t2,SIZEREG,t2		# t2 = number of words to copy
+	beq		t2,zero,3f
+	PTR_SUBU	t0,SRCREG,t2		# stop at t0
+	PTR_SUBU	SIZEREG,SIZEREG,t2
 1:
-	lw	t3,-4(SRCREG)
-	subu	SRCREG,4
-	sw	t3,-4(DSTREG)
-	bne	SRCREG,t0,1b
-	subu	DSTREG,4
+	REG_L		t3,-SZREG(SRCREG)
+	PTR_SUBU	SRCREG,SZREG
+	REG_S		t3,-SZREG(DSTREG)
+	bne		SRCREG,t0,1b
+	PTR_SUBU	DSTREG,SZREG
 
 3:	# bytecopy
-	beq	SIZEREG,zero,4f		# nothing left to do?
+	beq		SIZEREG,zero,4f		# nothing left to do?
 	nop
 1:
-	lb	t3,-1(SRCREG)
-	subu	SRCREG,1
-	sb	t3,-1(DSTREG)
-	subu	SIZEREG,1
-	bgtz	SIZEREG,1b
-	subu	DSTREG,1
+	lb		t3,-1(SRCREG)
+	PTR_SUBU	SRCREG,1
+	sb		t3,-1(DSTREG)
+	PTR_SUBU	SIZEREG,1
+	bgtz		SIZEREG,1b
+	PTR_SUBU	DSTREG,1
 
 4:	# copydone
 	j	ra
@@ -272,27 +274,22 @@ LEAF(FUNCTION)
 	 *	Copy from unaligned source to aligned dest.
 	 */
 5:	# destaligned
-	andi	t0,SIZEREG,3		# t0 = bytecount mod 4
-	subu	a3,SIZEREG,t0		# number of words to transfer
-	beq	a3,zero,3b
+	andi		t0,SIZEREG,SZREG-1	# t0 = bytecount mod 4
+	PTR_SUBU	a3,SIZEREG,t0		# number of words to transfer
+	beq		a3,zero,3b
 	nop
-	move	SIZEREG,t0		# this many to do after we are done
-	subu	a3,SRCREG,a3		# stop point
+	move		SIZEREG,t0		# this many to do after we are done
+	PTR_SUBU	a3,SRCREG,a3		# stop point
 
 1:
-#ifdef __MIPSEB__
-	lwl	t3,-4(SRCREG)
-	lwr	t3,-1(SRCREG)
-#else
-	lwr	t3,-4(SRCREG)
-	lwl	t3,-1(SRCREG)
-#endif
-	subu	SRCREG,4
-	sw	t3,-4(DSTREG)
-	bne	SRCREG,a3,1b
-	subu	DSTREG,4
+	REG_LHI		t3,-SZREG(SRCREG)
+	REG_LLO		t3,-1(SRCREG)
+	PTR_SUBU	SRCREG,SZREG
+	REG_S		t3,-SZREG(DSTREG)
+	bne		SRCREG,a3,1b
+	PTR_SUBU	DSTREG,SZREG
 
-	j	3b
+	b		3b
 	nop
 
 	.set	reorder
diff --git a/lib/libc/mips/string/bzero.S b/lib/libc/mips/string/bzero.S
index 9b341302f975..66f29ddeeae8 100644
--- a/lib/libc/mips/string/bzero.S
+++ b/lib/libc/mips/string/bzero.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: bzero.S,v 1.8 2003/08/07 16:42:16 agc Exp $	*/
+/*	$NetBSD: bzero.S,v 1.10 2009/12/14 02:53:52 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -36,10 +36,15 @@
 __FBSDID("$FreeBSD$");
 
 #if defined(LIBC_SCCS) && !defined(lint)
+#if 0
 	ASMSTR("from: @(#)bzero.s	8.1 (Berkeley) 6/4/93")
-	ASMSTR("$NetBSD: bzero.S,v 1.8 2003/08/07 16:42:16 agc Exp $")
+#else
+	ASMSTR("$NetBSD: bzero.S,v 1.10 2009/12/14 02:53:52 matt Exp $")
+#endif
 #endif /* LIBC_SCCS and not lint */
 
+#define _LOCORE		/* XXX not really, just assembly-code source */
+#include <machine/endian.h>
 
 #ifdef __ABICALLS__
 	.abicalls
@@ -49,34 +54,48 @@ __FBSDID("$FreeBSD$");
 
 LEAF(bzero)
 	.set	noreorder
-	blt	a1, 12, smallclr	# small amount to clear?
-	subu	a3, zero, a0		# compute # bytes to word align address
-	and	a3, a3, 3
-	beq	a3, zero, 1f		# skip if word aligned
-	subu	a1, a1, a3		# subtract from remaining count
-#ifdef __MIPSEB__
-	swl	zero, 0(a0)		# clear 1, 2, or 3 bytes to align
-#else
-	swr	zero, 0(a0)		# clear 1, 2, or 3 bytes to align
+	blt		a1, 3*SZREG, smallclr # small amount to clear?
+	PTR_SUBU	a3, zero, a0	# compute # bytes to word align address
+	and		a3, a3, SZREG-1
+	beq		a3, zero, 1f	# skip if word aligned
+#if SZREG == 4
+	PTR_SUBU	a1, a1, a3	# subtract from remaining count
+	SWHI		zero, 0(a0)	# clear 1, 2, or 3 bytes to align
+	PTR_ADDU	a0, a0, a3
+#endif
+#if SZREG == 8
+	PTR_SUBU	a1, a1, a3	# subtract from remaining count
+	PTR_ADDU	a0, a0, a3	# align dst to next word
+	sll		a3, a3, 3	# bits to bytes
+	li		a2, -1		# make a mask
+#if _BYTE_ORDER == _BIG_ENDIAN
+	REG_SRLV	a2, a2, a3	# we want to keep the MSB bytes
+#endif
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+	REG_SLLV	a2, a2, a3	# we want to keep the LSB bytes
+#endif
+	nor		a2, zero, a2	# complement the mask
+	REG_L		v0, -SZREG(a0)	# load the word to partially clear
+	and		v0, v0, a2	# clear the bytes
+	REG_S		v0, -SZREG(a0)	# store it back
 #endif
-	addu	a0, a0, a3
 1:
-	and	v0, a1, 3		# compute number of words left
-	subu	a3, a1, v0
-	move	a1, v0
-	addu	a3, a3, a0		# compute ending address
+	and		v0, a1, SZREG-1	# compute number of words left
+	PTR_SUBU	a3, a1, v0
+	move		a1, v0
+	PTR_ADDU	a3, a3, a0	# compute ending address
 2:
-	addu	a0, a0, 4		# clear words
-	bne	a0, a3, 2b		#   unrolling loop doesnt help
-	sw	zero, -4(a0)		#   since we are limited by memory speed
+	PTR_ADDU	a0, a0, SZREG	# clear words
+	bne		a0, a3, 2b	#  unrolling loop doesnt help
+	REG_S		zero, -SZREG(a0) # since we are limited by memory speed
 smallclr:
-	ble	a1, zero, 2f
-	addu	a3, a1, a0		# compute ending address
+	ble		a1, zero, 2f
+	PTR_ADDU	a3, a1, a0	# compute ending address
 1:
-	addu	a0, a0, 1		# clear bytes
-	bne	a0, a3, 1b
-	sb	zero, -1(a0)
+	PTR_ADDU	a0, a0, 1	# clear bytes
+	bne		a0, a3, 1b
+	sb		zero, -1(a0)
 2:
-	j	ra
+	j		ra
 	nop
 END(bzero)
diff --git a/lib/libc/mips/string/ffs.S b/lib/libc/mips/string/ffs.S
index 8df2be311979..17e509c24637 100644
--- a/lib/libc/mips/string/ffs.S
+++ b/lib/libc/mips/string/ffs.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffs.S,v 1.1 2005/12/20 19:28:49 christos Exp $	*/
+/*	$NetBSD: ffs.S,v 1.2 2009/12/14 00:39:00 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@ __FBSDID("$FreeBSD$");
 
 #if defined(LIBC_SCCS) && !defined(lint)
 	ASMSTR("from: @(#)ffs.s	8.1 (Berkeley) 6/4/93")
-	ASMSTR("$NetBSD: ffs.S,v 1.1 2005/12/20 19:28:49 christos Exp $")
+	ASMSTR("$NetBSD: ffs.S,v 1.2 2009/12/14 00:39:00 matt Exp $")
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef __ABICALLS__
diff --git a/lib/libc/mips/string/index.S b/lib/libc/mips/string/index.S
index 055baacab8dc..d1df5400fc1a 100644
--- a/lib/libc/mips/string/index.S
+++ b/lib/libc/mips/string/index.S
@@ -46,14 +46,14 @@ __FBSDID("$FreeBSD$");
 
 LEAF(index)
 1:
-	lbu	a2, 0(a0)		# get a byte
-	addu	a0, a0, 1
-	beq	a2, a1, fnd
-	bne	a2, zero, 1b
+	lbu		a2, 0(a0)		# get a byte
+	PTR_ADDU	a0, a0, 1
+	beq		a2, a1, fnd
+	bne		a2, zero, 1b
 notfnd:
-	move	v0, zero
-	j	ra
+	move		v0, zero
+	j		ra
 fnd:
-	subu	v0, a0, 1
-	j	ra
+	PTR_SUBU	v0, a0, 1
+	j		ra
 END(index)
diff --git a/lib/libc/mips/string/rindex.S b/lib/libc/mips/string/rindex.S
index 60cbb48ba63b..e50379e673a4 100644
--- a/lib/libc/mips/string/rindex.S
+++ b/lib/libc/mips/string/rindex.S
@@ -45,13 +45,13 @@ __FBSDID("$FreeBSD$");
 #endif
 
 LEAF(rindex)
-	move	v0, zero		# default if not found
+	move		v0, zero		# default if not found
 1:
-	lbu	a3, 0(a0)		# get a byte
-	addu	a0, a0, 1
-	bne	a3, a1, 2f
-	subu	v0, a0, 1		# save address of last match
+	lbu		a3, 0(a0)		# get a byte
+	PTR_ADDU	a0, a0, 1
+	bne		a3, a1, 2f
+	PTR_SUBU	v0, a0, 1		# save address of last match
 2:
-	bne	a3, zero, 1b		# continue if not end
-	j	ra
+	bne		a3, zero, 1b		# continue if not end
+	j		ra
 END(rindex)
diff --git a/lib/libc/mips/string/strcmp.S b/lib/libc/mips/string/strcmp.S
index ce2839d62f90..8a9905630ce8 100644
--- a/lib/libc/mips/string/strcmp.S
+++ b/lib/libc/mips/string/strcmp.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: strcmp.S,v 1.1 2005/12/20 19:28:50 christos Exp $	*/
+/*	$NetBSD: strcmp.S,v 1.2 2009/12/14 00:39:00 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@ __FBSDID("$FreeBSD$");
 
 #if defined(LIBC_SCCS) && !defined(lint)
 	ASMSTR("from: @(#)strcmp.s	8.1 (Berkeley) 6/4/93")
-	ASMSTR("$NetBSD: strcmp.S,v 1.1 2005/12/20 19:28:50 christos Exp $")
+	ASMSTR("$NetBSD: strcmp.S,v 1.2 2009/12/14 00:39:00 matt Exp $")
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef __ABICALLS__
@@ -55,9 +55,9 @@ LEAF(strcmp)
 	bne	t0, t1, NotEq
 	lbu	t0, 1(a0)		# unroll loop
 	lbu	t1, 1(a1)
-	add	a0, a0, 2
+	PTR_ADD	a0, a0, 2
 	beq	t0, zero, LessOrEq	# end of first string?
-	add	a1, a1, 2
+	PTR_ADD	a1, a1, 2
 	beq	t0, t1, 1b
 NotEq:
 	subu	v0, t0, t1
diff --git a/lib/libc/mips/string/strlen.S b/lib/libc/mips/string/strlen.S
index c1f302d4ca49..3b46ccceb54b 100644
--- a/lib/libc/mips/string/strlen.S
+++ b/lib/libc/mips/string/strlen.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: strlen.S,v 1.1 2005/12/20 19:28:50 christos Exp $	*/
+/*	$NetBSD: strlen.S,v 1.2 2009/12/14 00:39:00 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@ __FBSDID("$FreeBSD$");
 
 #if defined(LIBC_SCCS) && !defined(lint)
 	ASMSTR("from: @(#)strlen.s	8.1 (Berkeley) 6/4/93")
-	ASMSTR("$NetBSD: strlen.S,v 1.1 2005/12/20 19:28:50 christos Exp $")
+	ASMSTR("$NetBSD: strlen.S,v 1.2 2009/12/14 00:39:00 matt Exp $")
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef __ABICALLS__
@@ -45,11 +45,11 @@ __FBSDID("$FreeBSD$");
 #endif
 
 LEAF(strlen)
-	addu	v1, a0, 1
+	PTR_ADDU	v1, a0, 1
 1:
-	lb	v0, 0(a0)		# get byte from string
-	addu	a0, a0, 1		# increment pointer
-	bne	v0, zero, 1b		# continue if not end
-	subu	v0, a0, v1		# compute length - 1 for '\0' char
-	j	ra
+	lb		v0, 0(a0)	# get byte from string
+	PTR_ADDU	a0, a0, 1	# increment pointer
+	bne		v0, zero, 1b	# continue if not end
+	PTR_SUBU 	v0, a0, v1	# compute length - 1 for '\0' char
+	j		ra
 END(strlen)
diff --git a/lib/libc/mips/sys/Makefile.inc b/lib/libc/mips/sys/Makefile.inc
index d2e7291b20ef..3601909bc0ec 100644
--- a/lib/libc/mips/sys/Makefile.inc
+++ b/lib/libc/mips/sys/Makefile.inc
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 MDASM=  Ovfork.S brk.S cerror.S exect.S \
-	fork.S pipe.S ptrace.S sbrk.S shmat.S syscall.S
+	fork.S pipe.S ptrace.S sbrk.S syscall.S
 
 # Don't generate default code for these syscalls:
 NOASM=	break.o exit.o ftruncate.o getlogin.o lseek.o mmap.o \
diff --git a/lib/libc/mips/sys/Ovfork.S b/lib/libc/mips/sys/Ovfork.S
index 99a5526d1f45..9df93ea59e9d 100644
--- a/lib/libc/mips/sys/Ovfork.S
+++ b/lib/libc/mips/sys/Ovfork.S
@@ -49,21 +49,16 @@ __FBSDID("$FreeBSD$");
  */
 
 LEAF(__sys_vfork)
-#ifdef __ABICALLS__
-	.set	noreorder
-	.cpload	t9
-	.set	reorder
-#endif
 	WEAK_ALIAS(vfork, __sys_vfork)
 	WEAK_ALIAS(_vfork, __sys_vfork)
+	PIC_PROLOGUE(__sys_vfork)
 	li	v0, SYS_vfork		# system call number for vfork
 	syscall
 	beq	a3, zero, 1f		# jump if no errors
-	la	t9, __cerror
-	jr	t9
+	PIC_TAILCALL(__cerror)
 1:
 	beq	v1, zero, 2f		# parent process ?
 	move	v0, zero		# return zero in child
 2:
-	j	ra
+	PIC_RETURN()
 END(__sys_vfork)
diff --git a/lib/libc/mips/sys/brk.S b/lib/libc/mips/sys/brk.S
index 580d7fa5ed30..68f0bd45b32a 100644
--- a/lib/libc/mips/sys/brk.S
+++ b/lib/libc/mips/sys/brk.S
@@ -42,35 +42,30 @@ __FBSDID("$FreeBSD$");
 #endif /* LIBC_SCCS and not lint */
 
 	.globl	_C_LABEL(minbrk)
-	.globl	_C_LABEL(curbrk)
+	.globl	_C_LABEL(__curbrk)
 	.globl	_C_LABEL(_end)
 
 	.data
 _C_LABEL(minbrk):
-	.word	_C_LABEL(_end)
-_C_LABEL(curbrk):
-	.word	_C_LABEL(_end)
-	.text
+	PTR_WORD	_C_LABEL(_end)
 
+	.text
 LEAF(__sys_brk)
 	WEAK_ALIAS(brk, __sys_brk)
 	WEAK_ALIAS(_brk, __sys_brk)
-#ifdef __ABICALLS__
-	.set	noreorder
-	.cpload	t9
-	.set	reorder
-#endif
-	lw	v0, _C_LABEL(minbrk)
+	PIC_PROLOGUE(__sys_brk)
+	PTR_LA	v0, _C_LABEL(minbrk)
+	PTR_L	v0, 0(v0)
 	bgeu	a0, v0, 1f
 	move	a0, v0		# dont allow break < minbrk
 1:
 	li	v0, SYS_break
 	syscall
 	bne	a3, zero, 2f
-	sw	a0, _C_LABEL(curbrk)
+	PTR_LA	t0, _C_LABEL(__curbrk)
+	PTR_S	a0, 0(t0)
 	move	v0, zero
-	j	ra
+	PIC_RETURN()
 2:
-	la	t9, _C_LABEL(__cerror)
-	jr	t9
+	PIC_TAILCALL(__cerror)
 END(__sys_brk)
diff --git a/lib/libc/mips/sys/cerror.S b/lib/libc/mips/sys/cerror.S
index 535fbe063b6c..c504d73afa3f 100644
--- a/lib/libc/mips/sys/cerror.S
+++ b/lib/libc/mips/sys/cerror.S
@@ -1,4 +1,4 @@
-/*	$NetBSD: cerror.S,v 1.13 2003/08/07 16:42:17 agc Exp $	*/
+/*	$NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,35 +37,36 @@ __FBSDID("$FreeBSD$");
 #include "SYS.h"
 
 #if defined(LIBC_SCCS) && !defined(lint)
-	ASMSTR("from: @(#)cerror.s	8.1 (Berkeley) 6/16/93")
-	ASMSTR("$NetBSD: cerror.S,v 1.13 2003/08/07 16:42:17 agc Exp $")
+#if 0
+	RCSID("from: @(#)cerror.s	8.1 (Berkeley) 6/16/93")
+#else
+	RCSID("$NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $")
+#endif
 #endif /* LIBC_SCCS and not lint */
 
+	.globl	_C_LABEL(__error)
+NESTED_NOPROFILE(__cerror, CALLFRAME_SIZ, ra)
+	.mask	0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
+	SETUP_GP
+	PTR_SUBU	sp, sp, CALLFRAME_SIZ
+	SETUP_GP64(CALLFRAME_GP, __cerror)
+	SAVE_GP(CALLFRAME_GP)
 
-	/*
-	 * The __error() function is thread aware. For non-threaded
-	 * programs and the initial threaded in threaded programs,
-	 * it returns a pointer to the global errno variable.
-	 */
-	.globl  _C_LABEL(__error)
-	.type   _C_LABEL(__error),%function
+	PTR_S		ra, CALLFRAME_RA(sp)
+	REG_S		v0, CALLFRAME_S0(sp)	# save errno value
 
-LEAF(__cerror)
-	.frame sp, CALLFRAME_SIZ, ra
-	PIC_PROLOGUE(__cerror, t9)
-	subu	sp, sp, CALLFRAME_SIZ
-	.mask	0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
-	sw	ra, CALLFRAME_RA(sp)
-	sw	v0, 12(sp)		# save errno value
+	PTR_LA		t9, _C_LABEL(__error)	# locate address of errno
+	jalr		t9
+
+	REG_L		t0, CALLFRAME_S0(sp)
+	PTR_L		ra, CALLFRAME_RA(sp)
+	INT_S		t0, 0(v0)		# update errno value
+
+	RESTORE_GP64
+	PTR_ADDU	sp, sp, CALLFRAME_SIZ
 
-	la	t9, _C_LABEL(__error)	# locate address of errno
-	jalr	t9
+	li		v0, -1
+	li		v1, -1
 
-	lw	t0, 12(sp)
-	lw	ra, CALLFRAME_RA(sp)
-	sw	t0, 0(v0)		# update errno value
-	addiu	sp, sp, CALLFRAME_SIZ
-	li	v0, -1
-	li	v1, -1
-	j	ra
+	j		ra
 END(__cerror)
diff --git a/lib/libc/mips/sys/exect.S b/lib/libc/mips/sys/exect.S
index 702015d96ed3..613d47c5d6d5 100644
--- a/lib/libc/mips/sys/exect.S
+++ b/lib/libc/mips/sys/exect.S
@@ -41,16 +41,11 @@ __FBSDID("$FreeBSD$");
 #endif /* LIBC_SCCS and not lint */
 
 LEAF(exect)
-#ifdef __ABICALLS__
-	.set    noreorder
-	.cpload t9
-	.set    reorder
-#endif
+	PIC_PROLOGUE(exect)
 	li	v0, SYS_execve
 	syscall
 	bne	a3, zero, 1f
-	j	ra
+	PIC_RETURN()
 1:
-	la      t9, _C_LABEL(__cerror)
-	jr      t9
+	PIC_TAILCALL(__cerror)
 END(exect)
diff --git a/lib/libc/mips/sys/fork.S b/lib/libc/mips/sys/fork.S
index 2d1f14b855e7..7636bd379292 100644
--- a/lib/libc/mips/sys/fork.S
+++ b/lib/libc/mips/sys/fork.S
@@ -44,20 +44,14 @@ __FBSDID("$FreeBSD$");
 LEAF(__sys_fork)
 	WEAK_ALIAS(fork, __sys_fork)
 	WEAK_ALIAS(_fork, __sys_fork)
-#ifdef __ABICALLS__
-	.set    noreorder
-	.cpload t9
-	.set    reorder
-#endif
-	fork = __sys_fork
+	PIC_PROLOGUE(__sys_fork)
 	li	v0, SYS_fork	# pid = fork()
 	syscall
 	bne	a3, zero, 2f
 	beq	v1, zero, 1f	# v1 == 0 in parent, 1 in child
 	move	v0, zero
 1:
-	j	ra
+	PIC_RETURN()
 2:
-	la	t9, _C_LABEL(__cerror)
-	jr	t9
+	PIC_TAILCALL(__cerror)
 END(__sys_fork)
diff --git a/lib/libc/mips/sys/pipe.S b/lib/libc/mips/sys/pipe.S
index 224b78c8aafc..01465328f834 100644
--- a/lib/libc/mips/sys/pipe.S
+++ b/lib/libc/mips/sys/pipe.S
@@ -44,19 +44,14 @@ __FBSDID("$FreeBSD$");
 LEAF(__sys_pipe)
 	WEAK_ALIAS(pipe, __sys_pipe)
 	WEAK_ALIAS(_pipe, __sys_pipe)
-#ifdef __ABICALLS__
-	.set    noreorder
-	.cpload t9
-	.set    reorder
-#endif
+	PIC_PROLOGUE(__sys_pipe)
 	li	v0, SYS_pipe	# pipe(fildes) int fildes[2];
 	syscall
 	bne	a3, zero, 1f
 	sw	v0, 0(a0)	# store the two file descriptors
 	sw	v1, 4(a0)
 	move	v0, zero
-	j	ra
+	PIC_RETURN()
 1:
-	la	t9, _C_LABEL(__cerror)
-	jr	t9
+	PIC_TAILCALL(__cerror)
 END(__sys_pipe)
diff --git a/lib/libc/mips/sys/ptrace.S b/lib/libc/mips/sys/ptrace.S
index 86bc1e59caa9..8cf984a9c727 100644
--- a/lib/libc/mips/sys/ptrace.S
+++ b/lib/libc/mips/sys/ptrace.S
@@ -41,20 +41,31 @@ __FBSDID("$FreeBSD$");
 	ASMSTR("$NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $")
 #endif /* LIBC_SCCS and not lint */
 
-LEAF(ptrace)
-#ifdef __ABICALLS__
-	.set    noreorder
-	.cpload t9
-	.set    reorder
-#endif
-	la	t9, _C_LABEL(__error)	# locate address of errno
-	jalr	t9
-	sw	zero, 0(v0)
-	li	v0, SYS_ptrace
+NESTED_NOPROFILE(ptrace, CALLFRAME_SIZ, ra)
+	.mask	0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
+	SETUP_GP
+	PTR_SUBU	sp, sp, CALLFRAME_SIZ
+	SETUP_GP64(CALLFRAME_GP, ptrace)
+	SAVE_GP(CALLFRAME_GP)
+
+	PTR_S		ra, CALLFRAME_RA(sp)
+
+	PTR_LA		t9, _C_LABEL(__error)	# locate address of errno
+	jalr		t9
+
+	PTR_L		ra, CALLFRAME_RA(sp)
+	INT_S		zero, 0(v0)		# update errno value
+
+	li		v0, SYS_ptrace
 	syscall
-	bne	a3, zero, 1f
-	j	ra
-1:
-	la	t9, _C_LABEL(__cerror)
-	jr	t9
+
+	# Load __cerror's address using our gp, then restore it.
+	PTR_LA		t9, __cerror
+	RESTORE_GP64
+	PTR_ADDU	sp, sp, CALLFRAME_SIZ
+
+	bne		a3, zero, 1f
+
+	j		ra
+1:	j		t9
 END(ptrace)
diff --git a/lib/libc/mips/sys/sbrk.S b/lib/libc/mips/sys/sbrk.S
index c53536010066..0989493a6172 100644
--- a/lib/libc/mips/sys/sbrk.S
+++ b/lib/libc/mips/sys/sbrk.S
@@ -46,40 +46,28 @@ __FBSDID("$FreeBSD$");
 
 	.data
 _C_LABEL(__curbrk):
-	.word	_C_LABEL(_end)
+	PTR_WORD	_C_LABEL(_end)
 	.text
 
 LEAF(__sys_sbrk)
 	WEAK_ALIAS(sbrk, __sys_sbrk)
 	WEAK_ALIAS(_sbrk, __sys_sbrk)
-#ifdef __ABICALLS__
-	.set	noreorder
-	.cpload	t9
-	.set	reorder
-#endif
-	addu	sp, sp, -16
-	sw	s0, 0(sp)		# Preserve s0 value in stack
-					# it should be the same on return
-					# We can't use v1 as temporary
-					# register since syscall uses it
-					# to return 64-bit values
-	lw	s0, _C_LABEL(__curbrk)
-	li	v0, SYS_break
-	addu	a0, a0, s0		# compute current break
+	PIC_PROLOGUE(__sys_sbrk)
+	PTR_LA	t0, _C_LABEL(__curbrk)
+	PTR_L	t0, 0(t0)
+	PTR_ADDU a0, a0, t0
 
+	li	v0, SYS_break
 	syscall
 
 	bne	a3, zero, 1f
 	nop
-	move	v0, s0			# return old val of curbrk from above
-	lw	s0, 0(sp)
-	addu	sp, sp, 16
-	sw	a0, _C_LABEL(__curbrk)	# save current val of curbrk from above
+	move	v0, t0			# return old val of curbrk from above
+	PTR_LA	t0, _C_LABEL(__curbrk)
+	PTR_S	a0, 0(t0)		# save current val of curbrk from above
+	PIC_RETURN()
 	j	ra
 
 1:
-	lw	s0, 0(sp)
-	addu	sp, sp, 16
-	la	t9, _C_LABEL(__cerror)
-	jr	t9
+	PIC_TAILCALL(__cerror)
 END(__sys_sbrk)