initial import of NetBSD tree

1 files changed, 113 insertions, 0 deletions

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");
+