+++ /dev/null
-/* From NetBSD: gencode.h,v 1.2 1995/03/06 11:38:24 mycroft Exp */
-
-/*
- * Copyright (c) 1990, 1991, 1992, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#) Header: gencode.h,v 1.20 94/06/12 14:29:30 leres Exp (LBL)
- */
-
-/* $Id: gencode.h,v 1.1 1996/04/04 04:22:26 paulus Exp $ */
-
-/* Address qualifers. */
-
-#define Q_HOST 1
-#define Q_NET 2
-#define Q_PORT 3
-#define Q_PROTO 4
-
-/* Protocol qualifiers. */
-
-#define Q_LINK 1
-#define Q_IP 2
-#define Q_TCP 3
-#define Q_UDP 4
-#define Q_ICMP 5
-
-/* Directional qualifers. */
-
-#define Q_SRC 1
-#define Q_DST 2
-#define Q_OR 3
-#define Q_AND 4
-
-#define Q_DEFAULT 0
-#define Q_UNDEF 255
-
-struct stmt {
- int code;
- long k;
-};
-
-struct slist {
- struct stmt s;
- struct slist *next;
-};
-
-/*
- * A bit vector to represent definition sets. We assume TOT_REGISTERS
- * is smaller than 8*sizeof(atomset).
- */
-typedef unsigned long atomset;
-#define ATOMMASK(n) (1 << (n))
-#define ATOMELEM(d, n) (d & ATOMMASK(n))
-
-/*
- * An unbounded set.
- */
-typedef unsigned long *uset;
-
-/*
- * Total number of atomic entities, including accumulator (A) and index (X).
- * We treat all these guys similarly during flow analysis.
- */
-#define N_ATOMS (BPF_MEMWORDS+2)
-
-struct edge {
- int id;
- int code;
- uset edom;
- struct block *succ;
- struct block *pred;
- struct edge *next; /* link list of incoming edges for a node */
-};
-
-struct block {
- int id;
- struct slist *stmts; /* side effect stmts */
- struct stmt s; /* branch stmt */
- int mark;
- int level;
- int offset;
- int sense;
- struct edge et;
- struct edge ef;
- struct block *head;
- struct block *link; /* link field used by optimizer */
- uset dom;
- uset closure;
- struct edge *in_edges;
- atomset def, kill;
- atomset in_use;
- atomset out_use;
- long oval;
- long val[N_ATOMS];
-};
-
-struct arth {
- struct block *b; /* protocol checks */
- struct slist *s; /* stmt list */
- int regno; /* virtual register number of result */
-};
-
-struct qual {
- unsigned char addr;
- unsigned char proto;
- unsigned char dir;
- unsigned char pad;
-};
-
-#ifndef __GNUC__
-#define volatile
-#endif
-
-struct arth *gen_loadi __P((int));
-struct arth *gen_load __P((int, struct arth *, int));
-struct arth *gen_loadlen __P((void));
-struct arth *gen_neg __P((struct arth *));
-struct arth *gen_arth __P((int, struct arth *, struct arth *));
-
-void gen_and __P((struct block *, struct block *));
-void gen_or __P((struct block *, struct block *));
-void gen_not __P((struct block *));
-
-struct block *gen_scode __P((char *, struct qual));
-struct block *gen_ecode __P((unsigned char *, struct qual));
-struct block *gen_ncode __P((unsigned long, struct qual));
-struct block *gen_proto_abbrev __P((int));
-struct block *gen_relation __P((int, struct arth *, struct arth *, int));
-struct block *gen_less __P((int));
-struct block *gen_greater __P((int));
-struct block *gen_byteop __P((int, int, int));
-struct block *gen_broadcast __P((int));
-struct block *gen_multicast __P((int));
-struct block *gen_inbound __P((int));
-
-void bpf_optimize __P((struct block **));
-volatile void bpf_error __P((char *, ...));
-
-void finish_parse __P((struct block *));
-char *sdup __P((char *));
-
-struct bpf_insn *icode_to_fcode __P((struct block *, int *));
-int pcap_parse __P((void));
-void lex_init __P((char *));
-void sappend __P((struct slist *, struct slist *));
-
-/* XXX */
-#define JT(b) ((b)->et.succ)
-#define JF(b) ((b)->ef.succ)
projects / ppp.git / blobdiff