1139778Simp/*-
2131899Smarcel * Copyright (c) 2004 Marcel Moolenaar
3131899Smarcel * All rights reserved.
4131899Smarcel *
5131899Smarcel * Redistribution and use in source and binary forms, with or without
6131899Smarcel * modification, are permitted provided that the following conditions
7131899Smarcel * are met:
8131899Smarcel *
9131899Smarcel * 1. Redistributions of source code must retain the above copyright
10131899Smarcel *    notice, this list of conditions and the following disclaimer.
11131899Smarcel * 2. Redistributions in binary form must reproduce the above copyright
12131899Smarcel *    notice, this list of conditions and the following disclaimer in the
13131899Smarcel *    documentation and/or other materials provided with the distribution.
14131899Smarcel *
15131899Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16131899Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17131899Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18131899Smarcel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19131899Smarcel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20131899Smarcel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21131899Smarcel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22131899Smarcel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23131899Smarcel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24131899Smarcel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25131899Smarcel *
26131899Smarcel * $FreeBSD$
27131899Smarcel */
28131899Smarcel
29131899Smarcel#ifndef _GDB_GDB_INT_H_
30131899Smarcel#define	_GDB_GDB_INT_H_
31131899Smarcel
32131899Smarcelextern struct gdb_dbgport *gdb_cur;
33131899Smarcel
34157059Ssamextern int gdb_listening;
35157059Ssamvoid gdb_consinit(void);
36157059Ssam
37131899Smarcelextern char *gdb_rxp;
38131899Smarcelextern size_t gdb_rxsz;
39131899Smarcelextern char *gdb_txp;
40131899Smarcel
41131899Smarcelint gdb_rx_begin(void);
42131899Smarcelint gdb_rx_equal(const char *);
43131899Smarcelint gdb_rx_mem(unsigned char *, size_t);
44131899Smarcelint gdb_rx_varhex(uintmax_t *);
45131899Smarcel
46131899Smarcelstatic __inline int
47131899Smarcelgdb_rx_char(void)
48131899Smarcel{
49131899Smarcel	int c;
50131899Smarcel
51131899Smarcel	if (gdb_rxsz > 0) {
52131899Smarcel		c = *gdb_rxp++;
53131899Smarcel		gdb_rxsz--;
54131899Smarcel	} else
55131899Smarcel		c = -1;
56131899Smarcel	return (c);
57131899Smarcel}
58131899Smarcel
59131899Smarcelvoid gdb_tx_begin(char);
60131899Smarcelint gdb_tx_end(void);
61131899Smarcelint gdb_tx_mem(const unsigned char *, size_t);
62131899Smarcelvoid gdb_tx_reg(int);
63271173Sbennoint gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt);
64271173Sbennoint gdb_search_mem(const unsigned char *addr, size_t size,
65271173Sbenno    const unsigned char *pat, size_t patlen, const unsigned char **found);
66131899Smarcel
67131899Smarcelstatic __inline void
68131899Smarcelgdb_tx_char(char c)
69131899Smarcel{
70131899Smarcel	*gdb_txp++ = c;
71131899Smarcel}
72131899Smarcel
73131899Smarcelstatic __inline int
74131899Smarcelgdb_tx_empty(void)
75131899Smarcel{
76131899Smarcel	gdb_tx_begin('\0');
77131899Smarcel	return (gdb_tx_end());
78131899Smarcel}
79131899Smarcel
80131899Smarcelstatic __inline void
81131899Smarcelgdb_tx_hex(uintmax_t n, int sz)
82131899Smarcel{
83131899Smarcel	gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n);
84131899Smarcel}
85131899Smarcel
86131899Smarcelstatic __inline int
87131899Smarcelgdb_tx_err(int err)
88131899Smarcel{
89131899Smarcel	gdb_tx_begin('E');
90131899Smarcel	gdb_tx_hex(err, 2);
91131899Smarcel	return (gdb_tx_end());
92131899Smarcel}
93131899Smarcel
94131899Smarcelstatic __inline int
95131899Smarcelgdb_tx_ok(void)
96131899Smarcel{
97131899Smarcel	gdb_tx_begin('O');
98131899Smarcel	gdb_tx_char('K');
99131899Smarcel	return (gdb_tx_end());
100131899Smarcel}
101131899Smarcel
102131899Smarcelstatic __inline void
103131899Smarcelgdb_tx_str(const char *s)
104131899Smarcel{
105131899Smarcel	while (*s)
106131899Smarcel		*gdb_txp++ = *s++;
107131899Smarcel}
108131899Smarcel
109131899Smarcelstatic __inline void
110131899Smarcelgdb_tx_varhex(uintmax_t n)
111131899Smarcel{
112131899Smarcel	gdb_txp += sprintf(gdb_txp, "%jx", n);
113131899Smarcel}
114131899Smarcel
115131899Smarcel#endif /* !_GDB_GDB_INT_H_ */
116