FreeBSD/mips libc support. Merged from perforce mips2-jnpr branch.

11 files changed, 611 insertions, 0 deletions

diff --git a/lib/libc/mips/mips/sys/Makefile.inc b/lib/libc/mips/mips/sys/Makefile.inc
new file mode 100644
index 0000000..ab1c28f
--- /dev/null
+++ b/lib/libc/mips/mips/sys/Makefile.inc
@@ -0,0 +1,14 @@
+# $FreeBSD$
+
+MDASM=  Ovfork.S brk.S cerror.S exect.S \
+	fork.S pipe.S ptrace.S sbrk.S shmat.S syscall.S
+
+# Don't generate default code for these syscalls:
+NOASM=	break.o exit.o ftruncate.o getdomainname.o getlogin.o \
+	lseek.o mmap.o openbsd_poll.o pread.o \
+	pwrite.o setdomainname.o sstk.o truncate.o uname.o vfork.o yield.o
+
+PSEUDO= _exit.o _getlogin.o
+.if !defined(WITHOUT_SYSCALL_COMPAT)
+PSEUDO+= _pread.o _pwrite.o _lseek.o _mmap.o _ftruncate.o _truncate.o
+.endif
diff --git a/lib/libc/mips/mips/sys/Ovfork.S b/lib/libc/mips/mips/sys/Ovfork.S
new file mode 100644
index 0000000..9511964
--- /dev/null
+++ b/lib/libc/mips/mips/sys/Ovfork.S
@@ -0,0 +1,73 @@
+/*	$NetBSD: compat_Ovfork.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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>
+
+#include "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)Ovfork.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: compat_Ovfork.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+WARN_REFERENCES(vfork, \
+    "warning: reference to compatibility vfork(); include <unistd.h> for correct reference")
+
+/*
+ * pid = vfork();
+ *
+ * v1 == 0 in parent process, v1 == 1 in child process.
+ * v0 == pid of child in parent, v0 == pid of parent in child.
+ */
+
+LEAF(__sys_vfork)
+#ifdef __ABICALLS__
+	.set	noreorder
+	.cpload	t9
+	.set	reorder
+#endif
+	WEAK_ALIAS(vfork, __sys_vfork)
+	WEAK_ALIAS(_vfork, __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
+1:
+	beq	v1, zero, 2f		# parent process ?
+	move	v0, zero		# return zero in child
+2:
+	j	ra
+END(__sys_vfork)
diff --git a/lib/libc/mips/mips/sys/brk.S b/lib/libc/mips/mips/sys/brk.S
new file mode 100644
index 0000000..b649ffe
--- /dev/null
+++ b/lib/libc/mips/mips/sys/brk.S
@@ -0,0 +1,76 @@
+/*	$NetBSD: brk.S,v 1.16 2003/08/07 16:42:17 agc Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)brk.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: brk.S,v 1.16 2003/08/07 16:42:17 agc Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+	.globl	_C_LABEL(minbrk)
+	.globl	_C_LABEL(curbrk)
+	.globl	_C_LABEL(_end)
+
+	.data
+_C_LABEL(minbrk):
+	.word	_C_LABEL(_end)
+_C_LABEL(curbrk):
+	.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)
+	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)
+	move	v0, zero
+	j	ra
+2:
+	la	t9, _C_LABEL(__cerror)
+	jr	t9
+END(__sys_brk)
diff --git a/lib/libc/mips/mips/sys/cerror.S b/lib/libc/mips/mips/sys/cerror.S
new file mode 100644
index 0000000..37d0f28
--- /dev/null
+++ b/lib/libc/mips/mips/sys/cerror.S
@@ -0,0 +1,70 @@
+/*	$NetBSD: cerror.S,v 1.13 2003/08/07 16:42:17 agc Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "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 $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+	/*
+	 * 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
+
+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
+
+	la	t9, _C_LABEL(__error)	# locate address of errno
+	jalr	t9
+
+	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
+END(__cerror)
diff --git a/lib/libc/mips/mips/sys/exect.S b/lib/libc/mips/mips/sys/exect.S
new file mode 100644
index 0000000..36cbdf3
--- /dev/null
+++ b/lib/libc/mips/mips/sys/exect.S
@@ -0,0 +1,56 @@
+/*	$NetBSD: exect.S,v 1.9 2003/08/07 16:42:17 agc Exp $	*/
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)exect.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: exect.S,v 1.9 2003/08/07 16:42:17 agc Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+LEAF(exect)
+#ifdef __ABICALLS__
+	.set    noreorder
+	.cpload t9
+	.set    reorder
+#endif
+	li	v0, SYS_execve
+	syscall
+	bne	a3, zero, 1f
+	j	ra
+1:
+	la      t9, _C_LABEL(__cerror)
+	jr      t9
+END(exect)
diff --git a/lib/libc/mips/mips/sys/fork.S b/lib/libc/mips/mips/sys/fork.S
new file mode 100644
index 0000000..0f13c7f
--- /dev/null
+++ b/lib/libc/mips/mips/sys/fork.S
@@ -0,0 +1,63 @@
+/*	$NetBSD: fork.S,v 1.11 2003/08/07 16:42:17 agc Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)fork.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: fork.S,v 1.11 2003/08/07 16:42:17 agc Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$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
+	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
+2:
+	la	t9, _C_LABEL(__cerror)
+	jr	t9
+END(__sys_fork)
diff --git a/lib/libc/mips/mips/sys/pipe.S b/lib/libc/mips/mips/sys/pipe.S
new file mode 100644
index 0000000..11abf65
--- /dev/null
+++ b/lib/libc/mips/mips/sys/pipe.S
@@ -0,0 +1,62 @@
+/*	$NetBSD: pipe.S,v 1.11 2005/04/22 06:58:01 simonb Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)pipe.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: pipe.S,v 1.11 2005/04/22 06:58:01 simonb Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+LEAF(__sys_pipe)
+	WEAK_ALIAS(pipe, __sys_pipe)
+	WEAK_ALIAS(_pipe, __sys_pipe)
+#ifdef __ABICALLS__
+	.set    noreorder
+	.cpload t9
+	.set    reorder
+#endif
+	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
+1:
+	la	t9, _C_LABEL(__cerror)
+	jr	t9
+END(__sys_pipe)
diff --git a/lib/libc/mips/mips/sys/ptrace.S b/lib/libc/mips/mips/sys/ptrace.S
new file mode 100644
index 0000000..7027e7d
--- /dev/null
+++ b/lib/libc/mips/mips/sys/ptrace.S
@@ -0,0 +1,60 @@
+/*	$NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)ptrace.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+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
+	syscall
+	bne	a3, zero, 1f
+	j	ra
+1:
+	la	t9, _C_LABEL(__cerror)
+	jr	t9
+END(ptrace)
diff --git a/lib/libc/mips/mips/sys/sbrk.S b/lib/libc/mips/mips/sys/sbrk.S
new file mode 100644
index 0000000..8146586
--- /dev/null
+++ b/lib/libc/mips/mips/sys/sbrk.S
@@ -0,0 +1,85 @@
+/*	$NetBSD: sbrk.S,v 1.16 2005/04/22 06:58:01 simonb Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)sbrk.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: sbrk.S,v 1.16 2005/04/22 06:58:01 simonb Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+	.globl	_C_LABEL(__curbrk)
+	.globl	_C_LABEL(_end)
+
+	.data
+_C_LABEL(__curbrk):
+	.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
+
+	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
+	j	ra
+
+1:
+	lw	s0, 0(sp)
+	addu	sp, sp, 16
+	la	t9, _C_LABEL(__cerror)
+	jr	t9
+END(__sys_sbrk)
diff --git a/lib/libc/mips/mips/sys/shmat.S b/lib/libc/mips/mips/sys/shmat.S
new file mode 100644
index 0000000..fe0ccc5
--- /dev/null
+++ b/lib/libc/mips/mips/sys/shmat.S
@@ -0,0 +1,8 @@
+/*	$NetBSD: shmat.S,v 1.1 2000/07/07 08:20:52 itohy Exp $	*/
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+RSYSCALL(shmat)
diff --git a/lib/libc/mips/mips/sys/syscall.S b/lib/libc/mips/mips/sys/syscall.S
new file mode 100644
index 0000000..16d75c0
--- /dev/null
+++ b/lib/libc/mips/mips/sys/syscall.S
@@ -0,0 +1,44 @@
+/*	$NetBSD: syscall.S,v 1.5 2003/08/07 16:42:18 agc Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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 "SYS.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	ASMSTR("from: @(#)syscall.s	8.1 (Berkeley) 6/4/93")
+	ASMSTR("$NetBSD: syscall.S,v 1.5 2003/08/07 16:42:18 agc Exp $")
+#endif /* LIBC_SCCS and not lint */
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+RSYSCALL(syscall)