1 files changed, 0 insertions, 249 deletions
diff --git a/lib/csu/common.c b/lib/csu/common.c
deleted file mode 100644
index c593d2857b5..00000000000
--- a/lib/csu/common.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*	$OpenBSD: common.c,v 1.14 2008/01/29 13:02:31 krw Exp $	*/
-/*	$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)(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;
-
-#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) {
-		/* If we don't need ld.so then just return instead bail out. */
-		if (!LD_NEED(dp)) {
-			ld_entry = 0;
-			return;
-		}
-		_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");
-	}
-
-	/* We use MAP_ANON */
-	crt.crt_dzfd = -1;
-
-	/* Map in ld.so */
-	crt.crt_ba = mmap(0, hdr.a_text+hdr.a_data+hdr.a_bss,
-			PROT_READ|PROT_EXEC,
-			MAP_PRIVATE,
-			crt.crt_ldfd, N_TXTOFF(hdr));
-	if (crt.crt_ba == -1) {
-		_FATAL("Cannot map ld.so\n");
-	}
-
-/* !!!
- * 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)
-
-	/*
-	 * Map in data segment of ld.so writable
-	 * The segment must be PROT_EXEC too because the
-	 * GOT is located there.
-	 */
-	if (mmap(crt.crt_ba+N_DATADDR(hdr), hdr.a_data,
-			PROT_READ|PROT_WRITE|PROT_EXEC,
-			MAP_FIXED|MAP_PRIVATE,
-			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_PRIVATE,
-			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;
-
-	ld_entry = &crt.crt_ldentry;
-	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;
-	}
-	atexit((*ld_entry)->dlexit);
-}
-
-/*
- * DL stubs
- */
-
-void *
-dlopen(name, mode)
-	const 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;
-	const 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);
-}
-
-const char *
-dlerror()
-{
-	int     error;
-
-	if ((*ld_entry) == NULL ||
-	    ((*ld_entry)->dlctl)(NULL, DL_GETERRNO, &error) == -1)
-		return "Service unavailable";
-
-	if (error == 0)
-		return NULL;
-	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
-
-#endif /* DYNAMIC */
-
-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 */
-}