Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libpcap/bpf_image.c	Lines:	0	55	0.0 %
Date:	2017-11-13	Branches:	0	47	0.0 %


/*	$OpenBSD: bpf_image.c,v 1.9 2004/01/27 06:58:02 tedu Exp $	*/

/*
 * Copyright (c) 1990, 1991, 1992, 1994, 1995, 1996
 *	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.
 */

#include <sys/types.h>
#include <sys/time.h>

#include <stdio.h>
#include <string.h>

#include "pcap-int.h"

#ifdef HAVE_OS_PROTO_H
#include "os-proto.h"
#endif

char *
bpf_image(p, n)
	struct bpf_insn *p;
	int n;
{
	int v;
	char *fmt, *op;
	static char image[256];
	char operand[64];

	v = p->k;
	switch (p->code) {

	default:
		op = "unimp";
		fmt = "0x%x";
		v = p->code;
		break;

	case BPF_RET|BPF_K:
		op = "ret";
		fmt = "#%d";
		break;

	case BPF_RET|BPF_A:
		op = "ret";
		fmt = "";
		break;

	case BPF_LD|BPF_W|BPF_ABS:
		op = "ld";
		fmt = "[%d]";
		break;

	case BPF_LD|BPF_H|BPF_ABS:
		op = "ldh";
		fmt = "[%d]";
		break;

	case BPF_LD|BPF_B|BPF_ABS:
		op = "ldb";
		fmt = "[%d]";
		break;

	case BPF_LD|BPF_W|BPF_LEN:
		op = "ld";
		fmt = "#pktlen";
		break;

	case BPF_LD|BPF_W|BPF_IND:
		op = "ld";
		fmt = "[x + %d]";
		break;

	case BPF_LD|BPF_H|BPF_IND:
		op = "ldh";
		fmt = "[x + %d]";
		break;

	case BPF_LD|BPF_B|BPF_IND:
		op = "ldb";
		fmt = "[x + %d]";
		break;

	case BPF_LD|BPF_IMM:
		op = "ld";
		fmt = "#0x%x";
		break;

	case BPF_LDX|BPF_IMM:
		op = "ldx";
		fmt = "#0x%x";
		break;

	case BPF_LDX|BPF_MSH|BPF_B:
		op = "ldxb";
		fmt = "4*([%d]&0xf)";
		break;

	case BPF_LD|BPF_MEM:
		op = "ld";
		fmt = "M[%d]";
		break;

	case BPF_LDX|BPF_MEM:
		op = "ldx";
		fmt = "M[%d]";
		break;

	case BPF_ST:
		op = "st";
		fmt = "M[%d]";
		break;

	case BPF_STX:
		op = "stx";
		fmt = "M[%d]";
		break;

	case BPF_JMP|BPF_JA:
		op = "ja";
		fmt = "%d";
		v = n + 1 + p->k;
		break;

	case BPF_JMP|BPF_JGT|BPF_K:
		op = "jgt";
		fmt = "#0x%x";
		break;

	case BPF_JMP|BPF_JGE|BPF_K:
		op = "jge";
		fmt = "#0x%x";
		break;

	case BPF_JMP|BPF_JEQ|BPF_K:
		op = "jeq";
		fmt = "#0x%x";
		break;

	case BPF_JMP|BPF_JSET|BPF_K:
		op = "jset";
		fmt = "#0x%x";
		break;

	case BPF_JMP|BPF_JGT|BPF_X:
		op = "jgt";
		fmt = "x";
		break;

	case BPF_JMP|BPF_JGE|BPF_X:
		op = "jge";
		fmt = "x";
		break;

	case BPF_JMP|BPF_JEQ|BPF_X:
		op = "jeq";
		fmt = "x";
		break;

	case BPF_JMP|BPF_JSET|BPF_X:
		op = "jset";
		fmt = "x";
		break;

	case BPF_ALU|BPF_ADD|BPF_X:
		op = "add";
		fmt = "x";
		break;

	case BPF_ALU|BPF_SUB|BPF_X:
		op = "sub";
		fmt = "x";
		break;

	case BPF_ALU|BPF_MUL|BPF_X:
		op = "mul";
		fmt = "x";
		break;

	case BPF_ALU|BPF_DIV|BPF_X:
		op = "div";
		fmt = "x";
		break;

	case BPF_ALU|BPF_AND|BPF_X:
		op = "and";
		fmt = "x";
		break;

	case BPF_ALU|BPF_OR|BPF_X:
		op = "or";
		fmt = "x";
		break;

	case BPF_ALU|BPF_LSH|BPF_X:
		op = "lsh";
		fmt = "x";
		break;

	case BPF_ALU|BPF_RSH|BPF_X:
		op = "rsh";
		fmt = "x";
		break;

	case BPF_ALU|BPF_ADD|BPF_K:
		op = "add";
		fmt = "#%d";
		break;

	case BPF_ALU|BPF_SUB|BPF_K:
		op = "sub";
		fmt = "#%d";
		break;

	case BPF_ALU|BPF_MUL|BPF_K:
		op = "mul";
		fmt = "#%d";
		break;

	case BPF_ALU|BPF_DIV|BPF_K:
		op = "div";
		fmt = "#%d";
		break;

	case BPF_ALU|BPF_AND|BPF_K:
		op = "and";
		fmt = "#0x%x";
		break;

	case BPF_ALU|BPF_OR|BPF_K:
		op = "or";
		fmt = "#0x%x";
		break;

	case BPF_ALU|BPF_LSH|BPF_K:
		op = "lsh";
		fmt = "#%d";
		break;

	case BPF_ALU|BPF_RSH|BPF_K:
		op = "rsh";
		fmt = "#%d";
		break;

	case BPF_ALU|BPF_NEG:
		op = "neg";
		fmt = "";
		break;

	case BPF_MISC|BPF_TAX:
		op = "tax";
		fmt = "";
		break;

	case BPF_MISC|BPF_TXA:
		op = "txa";
		fmt = "";
		break;
	}
	(void)snprintf(operand, sizeof operand, fmt, v);
	(void)snprintf(image, sizeof image,
		      (BPF_CLASS(p->code) == BPF_JMP &&
		       BPF_OP(p->code) != BPF_JA) ?
		      "(%03d) %-8s %-16s jt %d\tjf %d"
		      : "(%03d) %-8s %s",
		      n, op, operand, n + 1 + p->jt, n + 1 + p->jf);
	return image;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: bpf_image.c,v 1.9 2004/01/27 06:58:02 tedu Exp $ */
2
3			/*
4			* Copyright (c) 1990, 1991, 1992, 1994, 1995, 1996
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that: (1) source code distributions
9			* retain the above copyright notice and this paragraph in its entirety, (2)
10			* distributions including binary code include the above copyright notice and
11			* this paragraph in its entirety in the documentation or other materials
12			* provided with the distribution, and (3) all advertising materials mentioning
13			* features or use of this software display the following acknowledgement:
14			* ``This product includes software developed by the University of California,
15			* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16			* the University nor the names of its contributors may be used to endorse
17			* or promote products derived from this software without specific prior
18			* written permission.
19			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20			* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21			* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22			*/
23
24			#include <sys/types.h>
25			#include <sys/time.h>
26
27			#include <stdio.h>
28			#include <string.h>
29
30			#include "pcap-int.h"
31
32			#ifdef HAVE_OS_PROTO_H
33			#include "os-proto.h"
34			#endif
35
36			char *
37			bpf_image(p, n)
38			struct bpf_insn *p;
39			int n;
40			{
41			int v;
42			char fmt, op;
43			static char image[256];
44			char operand[64];
45
46			v = p->k;
47			switch (p->code) {
48
49			default:
50			op = "unimp";
51			fmt = "0x%x";
52			v = p->code;
53			break;
54
55			case BPF_RET\|BPF_K:
56			op = "ret";
57			fmt = "#%d";
58			break;
59
60			case BPF_RET\|BPF_A:
61			op = "ret";
62			fmt = "";
63			break;
64
65			case BPF_LD\|BPF_W\|BPF_ABS:
66			op = "ld";
67			fmt = "[%d]";
68			break;
69
70			case BPF_LD\|BPF_H\|BPF_ABS:
71			op = "ldh";
72			fmt = "[%d]";
73			break;
74
75			case BPF_LD\|BPF_B\|BPF_ABS:
76			op = "ldb";
77			fmt = "[%d]";
78			break;
79
80			case BPF_LD\|BPF_W\|BPF_LEN:
81			op = "ld";
82			fmt = "#pktlen";
83			break;
84
85			case BPF_LD\|BPF_W\|BPF_IND:
86			op = "ld";
87			fmt = "[x + %d]";
88			break;
89
90			case BPF_LD\|BPF_H\|BPF_IND:
91			op = "ldh";
92			fmt = "[x + %d]";
93			break;
94
95			case BPF_LD\|BPF_B\|BPF_IND:
96			op = "ldb";
97			fmt = "[x + %d]";
98			break;
99
100			case BPF_LD\|BPF_IMM:
101			op = "ld";
102			fmt = "#0x%x";
103			break;
104
105			case BPF_LDX\|BPF_IMM:
106			op = "ldx";
107			fmt = "#0x%x";
108			break;
109
110			case BPF_LDX\|BPF_MSH\|BPF_B:
111			op = "ldxb";
112			fmt = "4*([%d]&0xf)";
113			break;
114
115			case BPF_LD\|BPF_MEM:
116			op = "ld";
117			fmt = "M[%d]";
118			break;
119
120			case BPF_LDX\|BPF_MEM:
121			op = "ldx";
122			fmt = "M[%d]";
123			break;
124
125			case BPF_ST:
126			op = "st";
127			fmt = "M[%d]";
128			break;
129
130			case BPF_STX:
131			op = "stx";
132			fmt = "M[%d]";
133			break;
134
135			case BPF_JMP\|BPF_JA:
136			op = "ja";
137			fmt = "%d";
138			v = n + 1 + p->k;
139			break;
140
141			case BPF_JMP\|BPF_JGT\|BPF_K:
142			op = "jgt";
143			fmt = "#0x%x";
144			break;
145
146			case BPF_JMP\|BPF_JGE\|BPF_K:
147			op = "jge";
148			fmt = "#0x%x";
149			break;
150
151			case BPF_JMP\|BPF_JEQ\|BPF_K:
152			op = "jeq";
153			fmt = "#0x%x";
154			break;
155
156			case BPF_JMP\|BPF_JSET\|BPF_K:
157			op = "jset";
158			fmt = "#0x%x";
159			break;
160
161			case BPF_JMP\|BPF_JGT\|BPF_X:
162			op = "jgt";
163			fmt = "x";
164			break;
165
166			case BPF_JMP\|BPF_JGE\|BPF_X:
167			op = "jge";
168			fmt = "x";
169			break;
170
171			case BPF_JMP\|BPF_JEQ\|BPF_X:
172			op = "jeq";
173			fmt = "x";
174			break;
175
176			case BPF_JMP\|BPF_JSET\|BPF_X:
177			op = "jset";
178			fmt = "x";
179			break;
180
181			case BPF_ALU\|BPF_ADD\|BPF_X:
182			op = "add";
183			fmt = "x";
184			break;
185
186			case BPF_ALU\|BPF_SUB\|BPF_X:
187			op = "sub";
188			fmt = "x";
189			break;
190
191			case BPF_ALU\|BPF_MUL\|BPF_X:
192			op = "mul";
193			fmt = "x";
194			break;
195
196			case BPF_ALU\|BPF_DIV\|BPF_X:
197			op = "div";
198			fmt = "x";
199			break;
200
201			case BPF_ALU\|BPF_AND\|BPF_X:
202			op = "and";
203			fmt = "x";
204			break;
205
206			case BPF_ALU\|BPF_OR\|BPF_X:
207			op = "or";
208			fmt = "x";
209			break;
210
211			case BPF_ALU\|BPF_LSH\|BPF_X:
212			op = "lsh";
213			fmt = "x";
214			break;
215
216			case BPF_ALU\|BPF_RSH\|BPF_X:
217			op = "rsh";
218			fmt = "x";
219			break;
220
221			case BPF_ALU\|BPF_ADD\|BPF_K:
222			op = "add";
223			fmt = "#%d";
224			break;
225
226			case BPF_ALU\|BPF_SUB\|BPF_K:
227			op = "sub";
228			fmt = "#%d";
229			break;
230
231			case BPF_ALU\|BPF_MUL\|BPF_K:
232			op = "mul";
233			fmt = "#%d";
234			break;
235
236			case BPF_ALU\|BPF_DIV\|BPF_K:
237			op = "div";
238			fmt = "#%d";
239			break;
240
241			case BPF_ALU\|BPF_AND\|BPF_K:
242			op = "and";
243			fmt = "#0x%x";
244			break;
245
246			case BPF_ALU\|BPF_OR\|BPF_K:
247			op = "or";
248			fmt = "#0x%x";
249			break;
250
251			case BPF_ALU\|BPF_LSH\|BPF_K:
252			op = "lsh";
253			fmt = "#%d";
254			break;
255
256			case BPF_ALU\|BPF_RSH\|BPF_K:
257			op = "rsh";
258			fmt = "#%d";
259			break;
260
261			case BPF_ALU\|BPF_NEG:
262			op = "neg";
263			fmt = "";
264			break;
265
266			case BPF_MISC\|BPF_TAX:
267			op = "tax";
268			fmt = "";
269			break;
270
271			case BPF_MISC\|BPF_TXA:
272			op = "txa";
273			fmt = "";
274			break;
275			}
276			(void)snprintf(operand, sizeof operand, fmt, v);
277			(void)snprintf(image, sizeof image,
278			(BPF_CLASS(p->code) == BPF_JMP &&
279			BPF_OP(p->code) != BPF_JA) ?
280			"(%03d) %-8s %-16s jt %d\tjf %d"
281			: "(%03d) %-8s %s",
282			n, op, operand, n + 1 + p->jt, n + 1 + p->jf);
283			return image;
284			}