1 /* 2 * Copyright (c) 1992, 1993, 1994, 1995, 1996 3 * The Regents of the University of California. All rights reserved. 4 * 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 16 * written permission. 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. 20 */ 21 22 #include <config.h> 23 24 #include "netdissect-stdinc.h" 25 26 #include <stdio.h> 27 28 #include "netdissect.h" 29 #include "interface.h" 30 31 void 32 bpf_dump(const struct bpf_program *p, int option) 33 { 34 struct bpf_insn *insn; 35 int i; 36 int n = p->bf_len; 37 38 insn = p->bf_insns; 39 if (option > 2) { 40 printf("%d\n", n); 41 for (i = 0; i < n; ++insn, ++i) { 42 printf("%u %u %u %u\n", insn->code, 43 insn->jt, insn->jf, insn->k); 44 } 45 return ; 46 } 47 if (option > 1) { 48 for (i = 0; i < n; ++insn, ++i) 49 printf("{ 0x%x, %d, %d, 0x%08x },\n", 50 insn->code, insn->jt, insn->jf, insn->k); 51 return; 52 } 53 for (i = 0; i < n; ++insn, ++i) { 54 #ifdef BDEBUG 55 extern int bids[]; 56 printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1); 57 #endif 58 puts(bpf_image(insn, i)); 59 } 60 } 61