Emulator KLD for SysVR4 executables grabbed from NetBSD.

See http://www.freebsd.org/~newton/freebsd-svr4 for limitations,
capabilities, history and TO-DO list.

1 files changed, 173 insertions, 0 deletions

diff --git a/sys/compat/svr4/svr4_stropts.h b/sys/compat/svr4/svr4_stropts.h
new file mode 100644
index 0000000..75a33b3
--- /dev/null
+++ b/sys/compat/svr4/svr4_stropts.h
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 1998 Mark Newton
+ * Copyright (c) 1994 Christos Zoulas
+ * 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. 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.
+ */
+
+#ifndef	_SVR4_STROPTS_H_
+#define	_SVR4_STROPTS_H_
+
+
+struct svr4_strbuf {
+	int	 maxlen;
+	int 	 len;
+	char 	*buf;
+};
+
+#define SVR4_STR             ('S' << 8)
+#define SVR4_I_NREAD         (SVR4_STR| 1)
+#define SVR4_I_PUSH          (SVR4_STR| 2)
+#define SVR4_I_POP           (SVR4_STR| 3)
+#define SVR4_I_LOOK          (SVR4_STR| 4)
+#define SVR4_I_FLUSH         (SVR4_STR| 5)
+#define SVR4_I_SRDOPT        (SVR4_STR| 6)
+#define SVR4_I_GRDOPT        (SVR4_STR| 7)
+#define SVR4_I_STR           (SVR4_STR| 8)
+#define SVR4_I_SETSIG        (SVR4_STR| 9)
+#define SVR4_I_GETSIG        (SVR4_STR|10)
+#define SVR4_I_FIND          (SVR4_STR|11)
+#define SVR4_I_LINK          (SVR4_STR|12)
+#define SVR4_I_UNLINK        (SVR4_STR|13)
+#define SVR4_I_ERECVFD       (SVR4_STR|14)
+#define SVR4_I_PEEK          (SVR4_STR|15)
+#define SVR4_I_FDINSERT      (SVR4_STR|16)
+#define SVR4_I_SENDFD        (SVR4_STR|17)
+#define SVR4_I_RECVFD        (SVR4_STR|18)
+#define SVR4_I_SWROPT        (SVR4_STR|19)
+#define SVR4_I_GWROPT        (SVR4_STR|20)
+#define SVR4_I_LIST          (SVR4_STR|21)
+#define SVR4_I_PLINK         (SVR4_STR|22)
+#define SVR4_I_PUNLINK       (SVR4_STR|23)
+#define SVR4_I_SETEV         (SVR4_STR|24)
+#define SVR4_I_GETEV         (SVR4_STR|25)
+#define SVR4_I_STREV         (SVR4_STR|26)
+#define SVR4_I_UNSTREV       (SVR4_STR|27)
+#define SVR4_I_FLUSHBAND     (SVR4_STR|28)
+#define SVR4_I_CKBAND        (SVR4_STR|29)
+#define SVR4_I_GETBAND       (SVR4_STR|30)
+#define SVR4_I_ATMARK        (SVR4_STR|31)
+#define SVR4_I_SETCLTIME     (SVR4_STR|32)
+#define SVR4_I_GETCLTIME     (SVR4_STR|33)
+#define SVR4_I_CANPUT        (SVR4_STR|34)
+
+/*
+ * The following two ioctls are OS specific and
+ * undocumented.
+ */
+#define SVR4__I_BIND_RSVD    (SVR4_STR|242)
+#define SVR4__I_RELE_RSVD    (SVR4_STR|243)
+
+/*
+ * Service type definitions
+ */
+#define SVR4_T_COTS           1   /* Connection-orieted */
+#define SVR4_T_COTS_ORD       2   /* Local connection-oriented */
+#define SVR4_T_CLTS           3   /* Connectionless */
+
+/* Struct passed for SVR4_I_STR */
+struct svr4_strioctl {
+	u_long	 cmd;
+	int	 timeout;
+	int	 len;
+	char	*buf;
+};
+
+/*
+ * Bits for I_{G,S}ETSIG
+ */
+#define	SVR4_S_INPUT	0x0001		/* any message on read queue no HIPRI */
+#define	SVR4_S_HIPRI	0x0002		/* high prio message on read queue */
+#define	SVR4_S_OUTPUT	0x0004		/* write queue has free space */
+#define	SVR4_S_MSG	0x0008		/* signal message in read queue head */
+#define	SVR4_S_ERROR	0x0010		/* error message in read queue head */
+#define	SVR4_S_HANGUP	0x0020		/* hangup message in read queue head */
+#define	SVR4_S_RDNORM	0x0040		/* normal message on read queue */
+#define	SVR4_S_WRNORM	S_OUTPUT	/* write queue has free space */
+#define	SVR4_S_RDBAND	0x0080		/* out of band message on read queue */
+#define	SVR4_S_WRBAND	0x0100		/* write queue has free space for oob */
+#define	SVR4_S_BANDURG	0x0200		/* generate SIGURG instead of SIGPOLL */
+#define SVR4_S_ALLMASK	0x03ff		/* all events mask */
+
+/*
+ * Our internal state for the stream
+ * For now we keep almost nothing... In the future we can keep more
+ * streams state.
+ */
+struct svr4_strm {
+	int	s_family;	/* socket family */
+	int	s_cmd;		/* last getmsg reply or putmsg request	*/
+	int	s_afd;		/* last accepted fd; [for fd_insert]	*/
+        int     s_eventmask;    /* state info from I_SETSIG et al */
+};
+
+/*
+ * The following structures are determined empirically.
+ */
+struct svr4_strmcmd {
+	long	cmd;		/* command ? 		*/
+	long	len;		/* Address len 		*/
+	long	offs;		/* Address offset	*/
+	long	pad[61];
+};
+
+struct svr4_infocmd {
+	long	cmd;
+	long	tsdu;
+	long	etsdu;
+	long	cdata;
+	long	ddata;
+	long	addr;
+	long	opt;
+	long	tidu;
+	long	serv;
+	long	current;
+	long	provider;
+};
+
+struct svr4_strfdinsert {
+	struct svr4_strbuf	ctl;
+	struct svr4_strbuf	data;
+	long			flags;
+	int 			fd;
+	int			offset;
+};
+
+struct svr4_netaddr_in {
+	u_short	family;
+	u_short	port;
+	u_long	addr;
+};
+
+struct svr4_netaddr_un {
+	u_short	family;
+	char 	path[1];
+};
+
+#define SVR4_ADDROF(sc) (void *) (((char *) (sc)) + (sc)->offs)
+#define SVR4_C_ADDROF(sc) (const void *) (((const char *) (sc)) + (sc)->offs)
+
+struct svr4_strm *svr4_stream_get __P((struct file *fp));
+
+#endif /* !_SVR4_STROPTS */