2 * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21 * @(#) $Header: /tcpdump/master/libpcap/gencode.h,v 1.60.2.6 2005/09/05 09:08:06 guy Exp $ (LBL)
27 * Copyright (c) 1997 Yen Yen Lim and North Dakota State University
28 * All rights reserved.
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
33 * 1. Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in the
37 * documentation and/or other materials provided with the distribution.
38 * 3. All advertising materials mentioning features or use of this software
39 * must display the following acknowledgement:
40 * This product includes software developed by Yen Yen Lim and
41 * North Dakota State University
42 * 4. The name of the author may not be used to endorse or promote products
43 * derived from this software without specific prior written permission.
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
47 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
48 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
49 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
50 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
51 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
53 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
54 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
55 * POSSIBILITY OF SUCH DAMAGE.
58 #ifndef HAVE___ATTRIBUTE__
59 #define __attribute__(x)
60 #endif /* HAVE___ATTRIBUTE__ */
62 /* Address qualifiers. */
69 #define Q_PROTOCHAIN 6
72 /* Protocol qualifiers. */
119 #define Q_ISIS_IIH 33
120 #define Q_ISIS_LAN_IIH 34
121 #define Q_ISIS_PTP_IIH 35
122 #define Q_ISIS_SNP 36
123 #define Q_ISIS_CSNP 37
124 #define Q_ISIS_PSNP 38
125 #define Q_ISIS_LSP 39
129 /* Directional qualifiers. */
140 #define A_METAC 22 /* Meta signalling Circuit */
141 #define A_BCC 23 /* Broadcast Circuit */
142 #define A_OAMF4SC 24 /* Segment OAM F4 Circuit */
143 #define A_OAMF4EC 25 /* End-to-End OAM F4 Circuit */
144 #define A_SC 26 /* Signalling Circuit*/
145 #define A_ILMIC 27 /* ILMI Circuit */
146 #define A_OAM 28 /* OAM cells : F4 only */
147 #define A_OAMF4 29 /* OAM F4 cells: Segment + End-to-end */
148 #define A_LANE 30 /* LANE traffic */
149 #define A_LLC 31 /* LLC-encapsulated traffic */
151 /* Based on Q.2931 signalling protocol */
152 #define A_SETUP 41 /* Setup message */
153 #define A_CALLPROCEED 42 /* Call proceeding message */
154 #define A_CONNECT 43 /* Connect message */
155 #define A_CONNECTACK 44 /* Connect Ack message */
156 #define A_RELEASE 45 /* Release message */
157 #define A_RELEASE_DONE 46 /* Release message */
159 /* ATM field types */
162 #define A_PROTOTYPE 53
164 #define A_CALLREFTYPE 55
166 #define A_CONNECTMSG 70 /* returns Q.2931 signalling messages for
167 establishing and destroying switched
168 virtual connection */
169 #define A_METACONNECT 71 /* returns Q.2931 signalling messages for
170 establishing and destroying predefined
171 virtual circuits, such as broadcast
172 circuit, oamf4 segment circuit, oamf4
173 end-to-end circuits, ILMI circuits or
174 connection signalling circuit. */
176 /*MTP3 field types */
187 struct slist *jt; /*only for relative jump in block*/
188 struct slist *jf; /*only for relative jump in block*/
198 * A bit vector to represent definition sets. We assume TOT_REGISTERS
199 * is smaller than 8*sizeof(atomset).
201 typedef bpf_u_int32 atomset;
202 #define ATOMMASK(n) (1 << (n))
203 #define ATOMELEM(d, n) (d & ATOMMASK(n))
208 typedef bpf_u_int32 *uset;
211 * Total number of atomic entities, including accumulator (A) and index (X).
212 * We treat all these guys similarly during flow analysis.
214 #define N_ATOMS (BPF_MEMWORDS+2)
222 struct edge *next; /* link list of incoming edges for a node */
227 struct slist *stmts; /* side effect stmts */
228 struct stmt s; /* branch stmt */
230 int longjt; /* jt branch requires long jump */
231 int longjf; /* jf branch requires long jump */
238 struct block *link; /* link field used by optimizer */
241 struct edge *in_edges;
250 struct block *b; /* protocol checks */
251 struct slist *s; /* stmt list */
252 int regno; /* virtual register number of result */
262 struct arth *gen_loadi(int);
263 struct arth *gen_load(int, struct arth *, int);
264 struct arth *gen_loadlen(void);
265 struct arth *gen_neg(struct arth *);
266 struct arth *gen_arth(int, struct arth *, struct arth *);
268 void gen_and(struct block *, struct block *);
269 void gen_or(struct block *, struct block *);
270 void gen_not(struct block *);
272 struct block *gen_scode(const char *, struct qual);
273 struct block *gen_ecode(const u_char *, struct qual);
274 struct block *gen_acode(const u_char *, struct qual);
275 struct block *gen_mcode(const char *, const char *, int, struct qual);
277 struct block *gen_mcode6(const char *, const char *, int, struct qual);
279 struct block *gen_ncode(const char *, bpf_u_int32, struct qual);
280 struct block *gen_proto_abbrev(int);
281 struct block *gen_relation(int, struct arth *, struct arth *, int);
282 struct block *gen_less(int);
283 struct block *gen_greater(int);
284 struct block *gen_byteop(int, int, int);
285 struct block *gen_broadcast(int);
286 struct block *gen_multicast(int);
287 struct block *gen_inbound(int);
289 struct block *gen_vlan(int);
290 struct block *gen_mpls(int);
292 struct block *gen_pppoed(void);
293 struct block *gen_pppoes(void);
295 struct block *gen_atmfield_code(int atmfield, bpf_int32 jvalue, bpf_u_int32 jtype, int reverse);
296 struct block *gen_atmtype_abbrev(int type);
297 struct block *gen_atmmulti_abbrev(int type);
299 struct block *gen_mtp3field_code(int mtp3field, bpf_u_int32 jvalue, bpf_u_int32 jtype, int reverse);
301 struct block *gen_pf_ifname(const char *);
302 struct block *gen_pf_rnr(int);
303 struct block *gen_pf_srnr(int);
304 struct block *gen_pf_ruleset(char *);
305 struct block *gen_pf_reason(int);
306 struct block *gen_pf_action(int);
307 struct block *gen_pf_dir(int);
309 void bpf_optimize(struct block **);
310 void bpf_error(const char *, ...)
311 __attribute__((noreturn, format (printf, 1, 2)));
313 void finish_parse(struct block *);
314 char *sdup(const char *);
316 struct bpf_insn *icode_to_fcode(struct block *, int *);
317 int pcap_parse(void);
318 void lex_init(char *);
319 void lex_cleanup(void);
320 void sappend(struct slist *, struct slist *);
323 #define JT(b) ((b)->et.succ)
324 #define JF(b) ((b)->ef.succ)
326 extern int no_optimize;