1/*-
2 * Copyright (c) 2004 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _GDB_GDB_INT_H_
30#define	_GDB_GDB_INT_H_
31
32extern struct gdb_dbgport *gdb_cur;
33
34extern int gdb_listening;
35void gdb_consinit(void);
36
37extern char *gdb_rxp;
38extern size_t gdb_rxsz;
39extern char *gdb_txp;
40
41int gdb_rx_begin(void);
42int gdb_rx_equal(const char *);
43int gdb_rx_mem(unsigned char *, size_t);
44int gdb_rx_varhex(uintmax_t *);
45
46static __inline int
47gdb_rx_char(void)
48{
49	int c;
50
51	if (gdb_rxsz > 0) {
52		c = *gdb_rxp++;
53		gdb_rxsz--;
54	} else
55		c = -1;
56	return (c);
57}
58
59void gdb_tx_begin(char);
60int gdb_tx_end(void);
61int gdb_tx_mem(const unsigned char *, size_t);
62void gdb_tx_reg(int);
63int gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt);
64int gdb_search_mem(const unsigned char *addr, size_t size,
65    const unsigned char *pat, size_t patlen, const unsigned char **found);
66
67static __inline void
68gdb_tx_char(char c)
69{
70	*gdb_txp++ = c;
71}
72
73static __inline int
74gdb_tx_empty(void)
75{
76	gdb_tx_begin('\0');
77	return (gdb_tx_end());
78}
79
80static __inline void
81gdb_tx_hex(uintmax_t n, int sz)
82{
83	gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n);
84}
85
86static __inline int
87gdb_tx_err(int err)
88{
89	gdb_tx_begin('E');
90	gdb_tx_hex(err, 2);
91	return (gdb_tx_end());
92}
93
94static __inline int
95gdb_tx_ok(void)
96{
97	gdb_tx_begin('O');
98	gdb_tx_char('K');
99	return (gdb_tx_end());
100}
101
102static __inline void
103gdb_tx_str(const char *s)
104{
105	while (*s)
106		*gdb_txp++ = *s++;
107}
108
109static __inline void
110gdb_tx_varhex(uintmax_t n)
111{
112	gdb_txp += sprintf(gdb_txp, "%jx", n);
113}
114
115#endif /* !_GDB_GDB_INT_H_ */
116