initial import of NetBSD tree

17 files changed, 1474 insertions, 0 deletions

diff --git a/lib/csu/Makefile b/lib/csu/Makefile
new file mode 100644
index 00000000000..0c56287c294
--- /dev/null
+++ b/lib/csu/Makefile
@@ -0,0 +1,5 @@
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:17 deraadt Exp $
+
+SUBDIR=	${MACHINE_ARCH} c++
+
+.include <bsd.subdir.mk>
diff --git a/lib/csu/alpha/Makefile b/lib/csu/alpha/Makefile
new file mode 100644
index 00000000000..276f37501f0
--- /dev/null
+++ b/lib/csu/alpha/Makefile
@@ -0,0 +1,25 @@
+#	$NetBSD: Makefile,v 1.1 1995/02/10 17:53:00 cgd Exp $
+
+CFLAGS=		-DLIBC_SCCS
+OBJS=		crt0.o gcrt0.o
+CLEANFILES+=	core a.out
+
+all: ${OBJS}
+
+crt0.o: crt0.s
+	${CPP} -DCRT0 ${CFLAGS} ${.ALLSRC} | ${AS} -o $@
+	@${LD} -x -r ${.TARGET}
+	@mv a.out ${.TARGET}
+
+gcrt0.o: crt0.s
+	${CPP} -DMCRT0 ${CFLAGS} ${.ALLSRC} | ${AS} -o $@
+	@${LD} -x -r ${.TARGET}
+	@mv a.out ${.TARGET}
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+		${DESTDIR}/usr/lib
+
+depend lint tags:
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/alpha/crt0.s b/lib/csu/alpha/crt0.s
new file mode 100644
index 00000000000..de058c8f24c
--- /dev/null
+++ b/lib/csu/alpha/crt0.s
@@ -0,0 +1,107 @@
+/*	$NetBSD: crt0.s,v 1.2 1995/10/09 23:54:37 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+
+#define	SETGP(pv)	ldgp	gp,0(pv)
+
+#define	MF_FPCR(x)	mf_fpcr	x
+#define	MT_FPCR(x)	mt_fpcr	x
+#define	JMP(loc)	br	zero,loc
+#define	CONST(c,reg)	ldiq	reg, c
+
+/*
+ * Set up the global variables provided by crt0:
+ *	environ and __progname
+ */
+BSS(environ, 8)
+	.data
+	.align	3
+EXPORT(__progname)
+	.quad	$L1
+$L1:
+	.quad	0		/* Null string, plus padding. */
+	.text
+
+LEAF(__start, 0)		/* XXX */
+	.set	noreorder
+	br	pv, 1f
+1:	SETGP(pv)
+
+	ldq	s0, 0(sp)	/* get argc from stack */
+	lda	s1, 8(sp)	/* get pointer to argv */
+	s8addq	s0, s1, s2	/* add number of argv pointers */
+	addq	s2, 8, s2	/* and skip the null pointer */
+	stq	s2, environ	/* save the newly-found env pointer */
+
+#ifdef MCRT0
+eprol:
+	lda	a0, eprol
+	lda	a1, _etext
+	CALL(monstartup)	/* monstartup(eprol, etext); */
+	lda	a0, _mcleanup
+	CALL(atexit)		/* atext(_mcleanup); */
+	stl	zero, errno
+#endif
+
+	ldq	a0, 0(s1)	/* a0 = argv[0]; */
+	beq	a0, 2f		/* if it's null, then punt */
+	CONST(0x2f, a1)		/* a1 = '/' */
+	CALL(strrchr)
+	addq	v0, 1, a0	/* move past the /, if there was one */
+	bne	v0, 1f		/* if a / found */
+	ldq	a0, 0(s1)	/* a0 = argv[0]; */
+1:
+	stq	a0, __progname	/* store the program name */
+2:
+	/* call main() */
+	mov	s0, a0
+	mov	s1, a1
+	mov	s2, a2
+	CALL(main)		/* v0 = main(argc, argv, env); */
+
+	/* on return from main, call exit() with its return value. */
+	mov	v0, a0
+	CALL(exit)		/* exit(rv); */
+
+	/* if that failed, bug out. */
+	call_pal 0x81	/* XXX op_bugchk */
+	.set	reorder
+END(__start)
+
+#ifndef MCRT0
+LEAF(moncontrol, 0)
+	RET
+END(moncontrol)
+
+LEAF(_mcount, 0)
+	/* XXX -- dunno what we have to do here! */
+	call_pal 0x81	/* XXX op_bugchk */
+END(_mcount)
+#endif
diff --git a/lib/csu/c++/Makefile b/lib/csu/c++/Makefile
new file mode 100644
index 00000000000..9bf86196ed0
--- /dev/null
+++ b/lib/csu/c++/Makefile
@@ -0,0 +1,17 @@
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:17 deraadt Exp $
+
+CFLAGS+=	-DLIBC_SCCS -fpic
+OBJS=		c++rt0.o
+
+all: ${OBJS}
+
+c++rt0.o: c++rt0.c
+	${COMPILE.c} ${.ALLSRC}
+	@${LD} -x -r ${.TARGET}
+	@mv a.out ${.TARGET}
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/c++/c++rt0.c b/lib/csu/c++/c++rt0.c
new file mode 100644
index 00000000000..25f22d729da
--- /dev/null
+++ b/lib/csu/c++/c++rt0.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ *	$Id: c++rt0.c,v 1.1 1995/10/18 08:41:17 deraadt Exp $
+ */
+
+/*
+ * Run-time module for GNU C++ compiled shared libraries.
+ *
+ * The linker constructs the following arrays of pointers to global
+ * constructors and destructors. The first element contains the
+ * number of pointers in each.
+ * The tables are also null-terminated.
+ */
+#include <stdlib.h>
+
+void (*__CTOR_LIST__[0]) __P((void));
+void (*__DTOR_LIST__[0]) __P((void));
+
+static void	__dtors __P((void));
+static void	__ctors __P((void));
+
+static void
+__dtors()
+{
+	unsigned long i = (unsigned long) __DTOR_LIST__[0];
+	void (**p)(void) = __DTOR_LIST__ + i;
+ 
+	while (i--)
+		(**p--)();
+}
+
+static void
+__ctors()
+{
+	void (**p)(void) = __CTOR_LIST__ + 1;
+
+	while (*p)
+		(**p++)();
+}
+
+extern void __init __P((void)) asm(".init");
+extern void __fini __P((void)) asm(".fini");
+
+void
+__init()
+{
+	static int initialized = 0;
+
+	/*
+	 * Call global constructors.
+	 * Arrange to call global destructors at exit.
+	 */
+	if (!initialized) {
+		initialized = 1;
+		__ctors();
+	}
+
+}
+
+void
+__fini()
+{
+	/*
+	 * Call global destructors.
+	 */
+	__dtors();
+}
diff --git a/lib/csu/common.c b/lib/csu/common.c
new file mode 100644
index 00000000000..1223faa6087
--- /dev/null
+++ b/lib/csu/common.c
@@ -0,0 +1,270 @@
+/*	$NetBSD: common.c,v 1.4 1995/09/23 22:34:20 pk Exp $	*/
+/*
+ * Copyright (c) 1993,1995 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ */
+
+#ifdef DYNAMIC
+
+typedef int (*rtld_entry_fn) __P((int, struct crt_ldso *));
+static struct ld_entry	*ld_entry;
+
+static void
+__load_rtld(dp)
+	struct _dynamic *dp;
+{
+	static struct crt_ldso	crt;
+	struct exec	hdr;
+	rtld_entry_fn	entry;
+#if defined(sun) && defined(DUPZFD)
+	int		dupzfd;
+#endif
+
+#ifdef DEBUG
+	/* Provision for alternate ld.so - security risk! */
+	if ((crt.crt_ldso = _getenv("LDSO")) == NULL)
+#endif
+		crt.crt_ldso = LDSO;
+
+	crt.crt_ldfd = open(crt.crt_ldso, 0, 0);
+	if (crt.crt_ldfd == -1) {
+		_FATAL("No ld.so\n");
+	}
+
+	/* Read LDSO exec header */
+	if (read(crt.crt_ldfd, &hdr, sizeof hdr) < sizeof hdr) {
+		_FATAL("Failure reading ld.so\n");
+	}
+	if (N_GETMAGIC(hdr) != ZMAGIC && N_GETMAGIC(hdr) != QMAGIC) {
+		_FATAL("Bad magic: ld.so\n");
+	}
+
+#ifdef sun
+	/* Get bucket of zeroes */
+	crt.crt_dzfd = open("/dev/zero", 0, 0);
+	if (crt.crt_dzfd == -1) {
+		_FATAL("No /dev/zero\n");
+	}
+#endif
+#ifdef BSD
+	/* We use MAP_ANON */
+	crt.crt_dzfd = -1;
+#endif
+
+#if defined(sun) && defined(DUPZFD)
+	if ((dupzfd = dup(crt.crt_dzfd)) < 0) {
+		_FATAL("Cannot dup /dev/zero\n");
+	}
+#endif
+
+	/* Map in ld.so */
+	crt.crt_ba = mmap(0, hdr.a_text+hdr.a_data+hdr.a_bss,
+			PROT_READ|PROT_EXEC,
+			MAP_COPY,
+			crt.crt_ldfd, N_TXTOFF(hdr));
+	if (crt.crt_ba == -1) {
+		_FATAL("Cannot map ld.so\n");
+	}
+
+#ifdef BSD
+/* !!!
+ * This is gross, ld.so is a ZMAGIC a.out, but has `sizeof(hdr)' for
+ * an entry point and not at PAGSIZ as the N_*ADDR macros assume.
+ */
+#undef N_DATADDR
+#undef N_BSSADDR
+#define N_DATADDR(x)	((x).a_text)
+#define N_BSSADDR(x)	((x).a_text + (x).a_data)
+#endif
+
+	/* Map in data segment of ld.so writable */
+	if (mmap(crt.crt_ba+N_DATADDR(hdr), hdr.a_data,
+			PROT_READ|PROT_WRITE,
+			MAP_FIXED|MAP_COPY,
+			crt.crt_ldfd, N_DATOFF(hdr)) == -1) {
+		_FATAL("Cannot map ld.so\n");
+	}
+
+	/* Map bss segment of ld.so zero */
+	if (hdr.a_bss && mmap(crt.crt_ba+N_BSSADDR(hdr), hdr.a_bss,
+			PROT_READ|PROT_WRITE,
+			MAP_FIXED|MAP_ANON|MAP_COPY,
+			crt.crt_dzfd, 0) == -1) {
+		_FATAL("Cannot map ld.so\n");
+	}
+
+	crt.crt_dp = dp;
+	crt.crt_ep = environ;
+	crt.crt_bp = (caddr_t)_callmain;
+	crt.crt_prog = __progname;
+
+#ifdef sun
+	/* Call Sun's ld.so entry point: version 1, offset crt */
+	__call(CRT_VERSION_SUN, &crt, crt.crt_ba + sizeof hdr);
+#else
+	entry = (rtld_entry_fn)(crt.crt_ba + sizeof hdr);
+	if ((*entry)(CRT_VERSION_BSD_4, &crt) == -1) {
+		/* Feeble attempt to deal with out-dated ld.so */
+#		define str "crt0: update /usr/libexec/ld.so\n"
+		(void)write(2, str, sizeof(str));
+#		undef str
+		if ((*entry)(CRT_VERSION_BSD_3, &crt) == -1) {
+			_FATAL("ld.so failed\n");
+		}
+		ld_entry = dp->d_entry;
+		return;
+	}
+	ld_entry = crt.crt_ldentry;
+	atexit(ld_entry->dlexit);
+#endif
+
+#if defined(sun) && defined(DUPZFD)
+	if (dup2(dupzfd, crt.crt_dzfd) < 0) {
+		_FATAL("Cannot dup2 /dev/zero\n");
+	}
+	(void)close(dupzfd);
+#endif
+	return;
+}
+
+/*
+ * DL stubs
+ */
+
+void *
+dlopen(name, mode)
+	char	*name;
+	int	mode;
+{
+	if (ld_entry == NULL)
+		return NULL;
+
+	return (ld_entry->dlopen)(name, mode);
+}
+
+int
+dlclose(fd)
+	void	*fd;
+{
+	if (ld_entry == NULL)
+		return -1;
+
+	return (ld_entry->dlclose)(fd);
+}
+
+void *
+dlsym(fd, name)
+	void	*fd;
+	char	*name;
+{
+	if (ld_entry == NULL)
+		return NULL;
+
+	return (ld_entry->dlsym)(fd, name);
+}
+
+int
+dlctl(fd, cmd, arg)
+void	*fd, *arg;
+int	cmd;
+{
+	if (ld_entry == NULL)
+		return -1;
+
+	return (ld_entry->dlctl)(fd, cmd, arg);
+}
+
+char *
+dlerror()
+{
+	int     error;
+
+	if (ld_entry == NULL ||
+	    (*ld_entry->dlctl)(NULL, DL_GETERRNO, &error) == -1)
+		return "Service unavailable";
+
+	return (char *)strerror(error);
+}
+
+/*
+ * Support routines
+ */
+
+#ifdef DEBUG
+static int
+_strncmp(s1, s2, n)
+	register char *s1, *s2;
+	register int n;
+{
+
+	if (n == 0)
+		return (0);
+	do {
+		if (*s1 != *s2++)
+			return (*(unsigned char *)s1 - *(unsigned char *)--s2);
+		if (*s1++ == 0)
+			break;
+	} while (--n != 0);
+	return (0);
+}
+
+static char *
+_getenv(name)
+	register char *name;
+{
+	extern char **environ;
+	register int len;
+	register char **P, *C;
+
+	for (C = name, len = 0; *C && *C != '='; ++C, ++len);
+	for (P = environ; *P; ++P)
+		if (!_strncmp(*P, name, len))
+			if (*(C = *P + len) == '=') {
+				return(++C);
+			}
+	return (char *)0;
+}
+#endif
+
+static char *
+_strrchr(p, ch)
+register char *p, ch;
+{
+	register char *save;
+
+	for (save = NULL;; ++p) {
+		if (*p == ch)
+			save = (char *)p;
+		if (!*p)
+			return(save);
+	}
+/* NOTREACHED */
+}
+
+#endif /* DYNAMIC */
diff --git a/lib/csu/common.h b/lib/csu/common.h
new file mode 100644
index 00000000000..93a1c33a151
--- /dev/null
+++ b/lib/csu/common.h
@@ -0,0 +1,113 @@
+/*	$NetBSD: common.h,v 1.3 1995/06/15 21:41:48 pk Exp $	*/
+/*
+ * Copyright (c) 1993,1995 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <string.h>
+
+#ifdef DYNAMIC
+
+#include <sys/syscall.h>
+#include <a.out.h>
+#ifndef N_GETMAGIC
+#define N_GETMAGIC(x)	((x).a_magic)
+#endif
+#ifndef N_BSSADDR
+#define N_BSSADDR(x)	(N_DATADDR(x)+(x).a_data)
+#endif
+
+#include <sys/mman.h>
+#ifdef sun
+#define MAP_COPY	MAP_PRIVATE
+#define MAP_ANON	0
+#endif
+
+#include <link.h>
+#include <dlfcn.h>
+
+extern struct _dynamic	_DYNAMIC;
+static void		__load_rtld __P((struct _dynamic *));
+extern int		__syscall __P((int, ...));
+int			_callmain __P((void));
+static char		*_strrchr __P((char *, char));
+#ifdef DEBUG
+static char		*_getenv __P((char *));
+static int		_strncmp __P((char *, char *, int));
+#endif
+
+#ifdef sun
+#define LDSO	"/usr/lib/ld.so"
+#endif
+#ifdef BSD
+#define LDSO	"/usr/libexec/ld.so"
+#endif
+
+/*
+ * We need these system calls, but can't use library stubs
+ */
+#define _exit(v)		__syscall(SYS_exit, (v))
+#define open(name, f, m)	__syscall(SYS_open, (name), (f), (m))
+#define close(fd)		__syscall(SYS_close, (fd))
+#define read(fd, s, n)		__syscall(SYS_read, (fd), (s), (n))
+#define write(fd, s, n)		__syscall(SYS_write, (fd), (s), (n))
+#define dup(fd)			__syscall(SYS_dup, (fd))
+#define dup2(fd, fdnew)		__syscall(SYS_dup2, (fd), (fdnew))
+#ifdef sun
+#define mmap(addr, len, prot, flags, fd, off)	\
+    __syscall(SYS_mmap, (addr), (len), (prot), _MAP_NEW|(flags), (fd), (off))
+#else
+#define mmap(addr, len, prot, flags, fd, off)	\
+    __syscall(SYS___syscall, (quad_t)SYS_mmap, (addr), (len), (prot), (flags), \
+	(fd), 0, (off_t)(off))
+#endif
+
+#define _FATAL(str) \
+	write(2, str, sizeof(str)), \
+	_exit(1);
+
+#endif /* DYNAMIC */
+
+extern int		main __P((int, char **, char **));
+#ifdef MCRT0
+extern void		monstartup __P((u_long, u_long));
+extern void		_mcleanup __P((void));
+#endif
+
+char			**environ;
+int			errno;
+static char		empty[1];
+char			*__progname = empty;
+#ifndef DYNAMIC
+#define _strrchr	strrchr
+#endif
+
+extern unsigned char	etext;
+extern unsigned char	eprol asm ("eprol");
+
diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile
new file mode 100644
index 00000000000..49d269db30d
--- /dev/null
+++ b/lib/csu/i386/Makefile
@@ -0,0 +1,42 @@
+#	from: @(#)Makefile	5.5 (Berkeley) 5/21/91
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:17 deraadt Exp $
+
+CFLAGS+=	-DLIBC_SCCS -I${.CURDIR}/..
+OBJS=		crt0.o gcrt0.o scrt0.o
+SRCS=		crt0.c
+
+all: ${OBJS}
+
+crt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+gcrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+scrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+.if make(depend)
+CPPFLAGS+= -DDYNAMIC
+.endif
+
+afterdepend: .depend
+	@(TMP=/tmp/_depend$$$$; \
+		sed -e 's/^\([^\.]*\).o[ ]*:/\1.o g\1.o s\1.o:/' \
+		< .depend > $$TMP; \
+	mv $$TMP .depend)
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/i386/crt0.c b/lib/csu/i386/crt0.c
new file mode 100644
index 00000000000..9ec7585fa74
--- /dev/null
+++ b/lib/csu/i386/crt0.c
@@ -0,0 +1,117 @@
+/*	$NetBSD: crt0.c,v 1.20 1995/06/03 13:16:08 pk Exp $	*/
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ */
+
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "%W% (Erasmus) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+extern void	start __P((void)) asm("start");
+
+void
+start()
+{
+	struct kframe {
+		int	kargc;
+		char	*kargv[1];	/* size depends on kargc */
+		char	kargstr[1];	/* size varies */
+		char	kenvstr[1];	/* size varies */
+	};
+	/*
+	 *	ALL REGISTER VARIABLES!!!
+	 */
+	register struct kframe *kfp;
+	register char **argv, *ap;
+
+#ifdef lint
+	kfp = 0;
+	initcode = initcode = 0;
+#else /* not lint */
+	/* just above the saved frame pointer */
+	asm ("lea 4(%%ebp), %0" : "=r" (kfp) );
+#endif /* not lint */
+	argv = &kfp->kargv[0];
+	environ = argv + kfp->kargc + 1;
+
+	if (ap = argv[0])
+		if ((__progname = _strrchr(ap, '/')) == NULL)
+			__progname = ap;
+		else
+			++__progname;
+
+#ifdef DYNAMIC
+	/* ld(1) convention: if DYNAMIC = 0 then statically linked */
+#ifdef stupid_gcc
+	if (&_DYNAMIC)
+#else
+	if ( ({volatile caddr_t x = (caddr_t)&_DYNAMIC; x; }) )
+#endif
+		__load_rtld(&_DYNAMIC);
+#endif /* DYNAMIC */
+
+asm("eprol:");
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup((u_long)&eprol, (u_long)&etext);
+#endif MCRT0
+
+asm ("__callmain:");		/* Defined for the benefit of debuggers */
+	exit(main(kfp->kargc, argv, environ));
+}
+
+#ifdef DYNAMIC
+	asm("	___syscall:");
+	asm("		popl %ecx");
+	asm("		popl %eax");
+	asm("		pushl %ecx");
+	asm("		int $0x80");
+	asm("		pushl %ecx");
+	asm("		jc 1f");
+	asm("		ret");
+	asm("	1:");
+	asm("		movl $-1,%eax");
+	asm("		ret");
+
+#endif /* DYNAMIC */
+
+#include "common.c"
+
+#ifdef MCRT0
+asm ("	.text");
+asm ("_eprol:");
+#endif
diff --git a/lib/csu/m68k/Makefile b/lib/csu/m68k/Makefile
new file mode 100644
index 00000000000..c046b296262
--- /dev/null
+++ b/lib/csu/m68k/Makefile
@@ -0,0 +1,42 @@
+#	from: @(#)Makefile	5.5 (Berkeley) 5/21/91
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:18 deraadt Exp $
+
+CFLAGS+=	-DLIBC_SCCS -I${.CURDIR}/..
+OBJS=		crt0.o gcrt0.o scrt0.o
+SRCS=		crt0.c
+
+all: ${OBJS}
+
+crt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+gcrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+scrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+.if make(depend)
+CPPFLAGS+= -DDYNAMIC
+.endif
+
+afterdepend: .depend
+	@(TMP=/tmp/_depend$$$$; \
+		sed -e 's/^\([^\.]*\).o[ ]*:/\1.o g\1.o s\1.o:/' \
+		< .depend > $$TMP; \
+	mv $$TMP .depend)
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/m68k/crt0.c b/lib/csu/m68k/crt0.c
new file mode 100644
index 00000000000..3f08eab70b7
--- /dev/null
+++ b/lib/csu/m68k/crt0.c
@@ -0,0 +1,114 @@
+/*	$NetBSD: crt0.c,v 1.14 1995/06/03 13:16:11 pk Exp $	*/
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ */
+
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "%W% (Erasmus) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+extern void	start __P((void)) asm("start");
+
+void
+start()
+{
+	struct kframe {
+		int	kargc;
+		char	*kargv[1];	/* size depends on kargc */
+		char	kargstr[1];	/* size varies */
+		char	kenvstr[1];	/* size varies */
+	};
+	/*
+	 *	ALL REGISTER VARIABLES!!!
+	 */
+	register struct kframe *kfp;
+	register char **argv, *ap;
+
+#ifdef lint
+	kfp = 0;
+	initcode = initcode = 0;
+#else /* not lint */
+	asm("lea a6@(4),%0" : "=r" (kfp));	/* catch it quick */
+#endif /* not lint */
+	argv = &kfp->kargv[0];
+	environ = argv + kfp->kargc + 1;
+
+	if (ap = argv[0])
+		if ((__progname = _strrchr(ap, '/')) == NULL)
+			__progname = ap;
+		else
+			++__progname;
+
+#ifdef DYNAMIC
+	/* ld(1) convention: if DYNAMIC = 0 then statically linked */
+#ifdef stupid_gcc
+	if (&_DYNAMIC)
+#else
+	if ( ({volatile caddr_t x = (caddr_t)&_DYNAMIC; x; }) )
+#endif
+		__load_rtld(&_DYNAMIC);
+#endif /* DYNAMIC */
+
+asm("eprol:");
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup((u_long)&eprol, (u_long)&etext);
+#endif MCRT0
+
+asm ("__callmain:");		/* Defined for the benefit of debuggers */
+	exit(main(kfp->kargc, argv, environ));
+}
+
+#ifdef DYNAMIC
+	asm("	___syscall:");
+	asm("		movel	a7@+,a0");	/* return address */
+	asm("		movel	a7@,d0");	/* syscall number */
+	asm("		movel	a0,a7@");
+	asm("		trap	#0");		/* do system call */
+	asm("		bcc	1f");		/* check error */
+	asm("		moveq	#-1,d0");
+	asm("	1:	movel	a7@,a0");	/* get return address, leave */
+	asm("		jmp	a0@");		/* correct amount on stack */
+
+#endif /* DYNAMIC */
+
+#include "common.c"
+
+#ifdef MCRT0
+asm ("	.text");
+asm ("_eprol:");
+#endif
diff --git a/lib/csu/mips/Makefile b/lib/csu/mips/Makefile
new file mode 100644
index 00000000000..82d031ec445
--- /dev/null
+++ b/lib/csu/mips/Makefile
@@ -0,0 +1,26 @@
+#	from: @(#)Makefile	8.1 (Berkeley) 6/1/93
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:18 deraadt Exp $
+
+CFLAGS=		-DLIBC_SCCS
+OBJS=		crt0.o gcrt0.o
+CLEANFILES+=	core a.out
+
+all: ${OBJS}
+
+crt0.o: crt0.S
+	${COMPILE.S} -DCRT0 ${.ALLSRC}
+	${LD} -x -r ${.TARGET}
+	mv a.out ${.TARGET}
+
+gcrt0.o: crt0.S
+	${COMPILE.S} -DMCRT0 ${.ALLSRC} -o ${.TARGET}
+	${LD} -x -r ${.TARGET}
+	mv a.out ${.TARGET}
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+depend lint tags:
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/mips/crt0.S b/lib/csu/mips/crt0.S
new file mode 100644
index 00000000000..a59e49ae140
--- /dev/null
+++ b/lib/csu/mips/crt0.S
@@ -0,0 +1,114 @@
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ *	from: @(#)crt0.s	8.2 (Berkeley) 3/21/94
+ *	$Id: crt0.S,v 1.1 1995/10/18 08:41:18 deraadt Exp $    
+ */
+
+#include <machine/regdef.h>
+#include <machine/machAsmDefs.h>
+
+	.comm	_C_LABEL(environ), 4
+	.comm	_C_LABEL(__progname), 4
+	.data
+$L1:
+	.word	0		# null string plus padding
+	.text
+
+NON_LEAF(__start, 24, ra)
+	.set	noreorder
+#ifdef __GP_SUPPORT__
+	la	gp, _C_LABEL (_gp)
+#endif
+	lw	s0, 0(sp)		# get argc from stack
+	addu	s1, sp, 4		# get pointer to argv
+	addu	s2, s1, 4		# skip null pointer on stack
+	sll	v0, s0, 2		# add number of argv pointers
+	addu	s2, s2, v0		# final pointer to environment list
+	sw	s2, _C_LABEL(environ)	# save environment pointer
+	subu	sp, sp, 24		# allocate standard frame
+	.mask	0x80000000, -4
+	sw	zero, 20(sp)		# clear return address for debugging
+#ifdef MCRT0
+eprol:
+	la	a0, eprol
+	la	a1, etext
+	jal	_C_LABEL(monstartup)	# monstartup(eprol, etext);
+	nop
+	la	a0, _C_LABEL(mcleanup)
+	jal	_C_LABEL(atexit)	# atexit(mcleanup);
+	nop
+	sw	zero, _C_LABEL(errno)
+#endif
+	lw	a0, 0(s1)		# a0 = argv[0];
+	nop
+	bne	a0, zero, 2f		# If a0 is NULL, use null string.
+	nop
+	la	a0, $L1
+	nop
+2:
+	move	s3, a0			# save argv[0]
+	jal	_C_LABEL(strrchr)
+	li	a1, 0x2f		# a1 = '/'
+	bne	v0, zero, 1f		# if slash found
+	addu	v0, v0, 1
+	move	v0, s3			# v0 = argv[0];
+1:
+	sw	v0, _C_LABEL(__progname)
+	move	a0, s0
+	move	a1, s1
+	jal	_C_LABEL(main)		# v0 = main(argc, argv, env);
+	move	a2, s2
+	jal	_C_LABEL(exit)		# exit(v0);
+	move	a0, v0
+	break	0
+	.set	reorder
+END(__start)
+
+#ifndef MCRT0
+LEAF(moncontrol)
+	j	ra
+END(moncontrol)
+
+LEAF(_mcount)
+	.set	noreorder
+	.set	noat
+	addu	sp, sp, 8		# undo push
+	j	ra
+	move	ra, AT
+	.set	at
+	.set	reorder
+END(_mcount)
+#endif
diff --git a/lib/csu/ns32k/Makefile b/lib/csu/ns32k/Makefile
new file mode 100644
index 00000000000..c046b296262
--- /dev/null
+++ b/lib/csu/ns32k/Makefile
@@ -0,0 +1,42 @@
+#	from: @(#)Makefile	5.5 (Berkeley) 5/21/91
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:18 deraadt Exp $
+
+CFLAGS+=	-DLIBC_SCCS -I${.CURDIR}/..
+OBJS=		crt0.o gcrt0.o scrt0.o
+SRCS=		crt0.c
+
+all: ${OBJS}
+
+crt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+gcrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+scrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+.if make(depend)
+CPPFLAGS+= -DDYNAMIC
+.endif
+
+afterdepend: .depend
+	@(TMP=/tmp/_depend$$$$; \
+		sed -e 's/^\([^\.]*\).o[ ]*:/\1.o g\1.o s\1.o:/' \
+		< .depend > $$TMP; \
+	mv $$TMP .depend)
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/ns32k/crt0.c b/lib/csu/ns32k/crt0.c
new file mode 100644
index 00000000000..e4fa31522d3
--- /dev/null
+++ b/lib/csu/ns32k/crt0.c
@@ -0,0 +1,118 @@
+/*	$NetBSD: crt0.c,v 1.7 1995/06/03 13:16:15 pk Exp $	*/
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+/*static char sccsid[] = "@(#)crt0.c	5.7 (Berkeley) 7/3/91"; */
+static char rcsid[] = "$Id: crt0.c,v 1.1 1995/10/18 08:41:18 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+extern void	start __P((long)) asm("start");
+
+void
+start(param)
+	long param;
+{
+	struct kframe {
+		int	kargc;
+		char	*kargv[1];	/* size depends on kargc */
+		char	kargstr[1];	/* size varies */
+		char	kenvstr[1];	/* size varies */
+	};
+	/*
+	 *	ALL REGISTER VARIABLES!!!
+	 */
+	register struct kframe *kfp;
+	register char **argv, *ap;
+
+	/* just above the saved frame pointer */
+	kfp = (struct kframe *) (&param-1);
+	argv = &kfp->kargv[0];
+	environ = argv + kfp->kargc + 1;
+
+	if (ap = argv[0])
+		if ((__progname = _strrchr(ap, '/')) == NULL)
+			__progname = ap;
+		else
+			++__progname;
+
+#ifdef DYNAMIC
+	/* ld(1) convention: if DYNAMIC = 0 then statically linked */
+#ifdef stupid_gcc
+	if (&_DYNAMIC)
+#else
+	if ( ({volatile caddr_t x = (caddr_t)&_DYNAMIC; x; }) )
+#endif
+		__load_rtld(&_DYNAMIC);
+#endif /* DYNAMIC */
+
+asm("eprol:");
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup((u_long)&eprol, (u_long)&etext);
+#endif MCRT0
+
+asm ("__callmain:");		/* Defined for the benefit of debuggers */
+	exit(main(kfp->kargc, argv, environ));
+}
+
+#ifdef DYNAMIC
+	asm("	___syscall:");
+	asm("		movd tos,r1");		/* return address */
+	asm("		movd tos,r0");		/* syscall number */
+	asm("		movd r1,tos");
+	asm("		svc");			/* do system call */
+	asm("		bcc 1f");		/* check error */
+	asm("		movqd -1,r0");
+	asm("	1:	jump 0(0(sp))");	/* return */
+
+#ifndef ntohl
+	asm("   _ntohl:	movd 4(sp),r0");
+	asm("		rotw 8,r0");
+	asm("		rotd 16,r0");
+	asm("		rotw 8,r0");
+	asm("		ret 0");
+#endif
+
+#endif /* DYNAMIC */
+
+#include "common.c"
+
+#ifdef MCRT0
+asm ("	.text");
+asm ("_eprol:");
+#endif
diff --git a/lib/csu/sparc/Makefile b/lib/csu/sparc/Makefile
new file mode 100644
index 00000000000..c046b296262
--- /dev/null
+++ b/lib/csu/sparc/Makefile
@@ -0,0 +1,42 @@
+#	from: @(#)Makefile	5.5 (Berkeley) 5/21/91
+#	$Id: Makefile,v 1.1 1995/10/18 08:41:18 deraadt Exp $
+
+CFLAGS+=	-DLIBC_SCCS -I${.CURDIR}/..
+OBJS=		crt0.o gcrt0.o scrt0.o
+SRCS=		crt0.c
+
+all: ${OBJS}
+
+crt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DCRT0 -DDYNAMIC ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+gcrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DMCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+scrt0.o: ${SRCS}
+	@echo "${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}"
+	@${COMPILE.c} -DSCRT0 ${.CURDIR}/${SRCS} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+install:
+	install ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+.if make(depend)
+CPPFLAGS+= -DDYNAMIC
+.endif
+
+afterdepend: .depend
+	@(TMP=/tmp/_depend$$$$; \
+		sed -e 's/^\([^\.]*\).o[ ]*:/\1.o g\1.o s\1.o:/' \
+		< .depend > $$TMP; \
+	mv $$TMP .depend)
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/sparc/crt0.c b/lib/csu/sparc/crt0.c
new file mode 100644
index 00000000000..45dce4e521a
--- /dev/null
+++ b/lib/csu/sparc/crt0.c
@@ -0,0 +1,186 @@
+/*	$NetBSD: crt0.c,v 1.15 1995/06/15 21:41:55 pk Exp $	*/
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ */
+
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "%W% (Erasmus) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+extern	unsigned char	etext;
+extern	unsigned char	eprol asm ("eprol");
+extern void		start __P((void)) asm("start");
+
+#if defined(sun) && defined(sparc)
+static void		__call __P((void));
+#endif
+
+#ifdef BSD
+#undef mmap
+#define mmap(addr, len, prot, flags, fd, off)	\
+    __syscall2((quad_t)SYS_mmap, (addr), (len), (prot), (flags), \
+	(fd), 0, (off_t)(off))
+extern int		__syscall2 __P((quad_t, ...));
+#endif
+
+asm ("	.global start");
+asm ("	.text");
+asm ("	start:");
+
+/* Set up `argc', `argv', and `envp' into local registers (from GNU Emacs). */
+asm ("	mov	0, %fp");
+asm ("	ld	[%sp + 64], %l0");	/* argc */
+asm ("	add	%sp, 68, %l1");		/* argv */
+asm ("	sll	%l0, 2,	%l2");		/**/
+asm ("	add	%l2, 4,	%l2");		/* envp = argv + (argc << 2) + 4 */
+asm ("	add	%l1, %l2, %l2");	/**/
+asm ("	sethi	%hi(_environ), %l3");
+asm ("	st	%l2, [%l3+%lo(_environ)]");	/* *environ = l2 */
+
+/* Finish diddling with stack. */
+asm ("	andn	%sp, 7,	%sp");
+asm ("	sub	%sp, 24, %sp");
+
+/*
+ * Set __progname:
+ *	if (argv[0])
+ *		if ((__progname = _strrchr(argv[0], '/')) == NULL)
+ *			__progname = argv[0];
+ *		else
+ *			++__progname;
+ */
+asm ("	ld	[%l1], %o0");
+asm ("	cmp	%o0, 0");
+asm ("	mov	%o0, %l6");
+asm ("	be	1f");
+asm ("	sethi	%hi(___progname), %l7");
+#ifdef DYNAMIC
+asm ("	call	__strrchr");
+#else
+asm ("	call	_strrchr");
+#endif
+asm ("	mov	47, %o1");
+asm ("	cmp	%o0, 0");
+asm ("	be,a	1f");
+asm ("	st	%l6, [%l7+%lo(___progname)]");
+asm ("	add	%o0, 1, %o0");
+asm ("	st	%o0, [%l7+%lo(___progname)]");
+asm ("1:");
+
+#ifdef DYNAMIC
+/* Resolve symbols in dynamic libraries */
+asm ("	sethi	%hi(__DYNAMIC), %o0");
+asm ("	orcc	%o0, %lo(__DYNAMIC), %o0");
+asm ("	be	1f");
+asm ("	nop");
+asm ("	call	___load_rtld");
+asm ("	nop");
+asm ("1:");
+#endif
+
+/* From here, all symbols should have been resolved, so we can use libc */
+#ifdef MCRT0
+/*
+ * atexit(_mcleanup);
+ * monstartup((u_long)&eprol, (u_long)&etext);
+ */
+asm ("	sethi	%hi(__mcleanup), %o0");
+asm ("	call	_atexit");
+asm ("	or	%o0, %lo(__mcleanup), %o0");
+asm ("	sethi	%hi(_eprol), %o0");
+asm ("	or	%o0, %lo(_eprol), %o0");
+asm ("	sethi	%hi(_etext), %o1");
+asm ("	call	_monstartup");
+asm ("	or	%o1, %lo(_etext), %o1");
+#endif
+
+#ifdef sun
+/* SunOS compatibility */
+asm ("	call	start_float");
+asm ("	nop");
+#endif
+
+/* Move `argc', `argv', and `envp' from locals to parameters for `main'.  */
+asm ("	mov	%l0,%o0");
+asm ("	mov	%l1,%o1");
+asm ("__callmain:");		/* Defined for the benefit of debuggers */
+asm ("	call	_main");
+asm ("	mov	%l2,%o2");
+
+asm ("	call	_exit");
+asm ("	nop");
+
+#ifdef DYNAMIC
+/* System call entry */
+asm("	.set	SYSCALL_G2RFLAG, 0x400");
+asm("	.set	SYS___syscall, 198");
+asm("___syscall2:");
+asm("	sethi	%hi(SYS___syscall), %g1");	/* `SYS___syscall' */
+asm("	ba	1f");
+asm("	or	%g1, %lo(SYS___syscall), %g1");
+asm("___syscall:");
+asm("	clr	%g1");				/* `SYS_syscall' */
+asm("1:");
+asm("	or	%g1, SYSCALL_G2RFLAG, %g1");	/* Use quick return */
+asm("	add	%o7, 8, %g2");
+asm("	ta	%g0");
+asm("	mov	-0x1, %o0");			/* Note: no `errno' */
+asm("	jmp	%o7 + 0x8");
+asm("	mov	-0x1, %o1");
+#endif
+
+#ifdef sun
+static
+__call()
+{
+	/*
+	 * adjust the C generated pointer to the crt struct to the
+	 * likings of ld.so, which is an offset relative to its %fp
+	 */
+	asm("mov	%i0, %o0");
+	asm("mov	%i1, %o1");
+	asm("call	%i2");
+	asm("sub	%o1, %sp, %o1");
+	/*NOTREACHED, control is transferred directly to our caller */
+}
+#endif
+
+#include "common.c"
+
+#ifdef MCRT0
+asm ("	.text");
+asm ("_eprol:");
+#endif