FreeBSD/Linux Kernel Cross Reference
sys/gdb/gdb_int.h
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: src/sys/gdb/gdb_int.h,v 1.3 2006/03/23 23:06:14 sam Exp $
27 */
28
29 #ifndef _GDB_GDB_INT_H_
30 #define _GDB_GDB_INT_H_
31
32 extern struct gdb_dbgport *gdb_cur;
33
34 extern int gdb_listening;
35 void gdb_consinit(void);
36
37 extern char *gdb_rxp;
38 extern size_t gdb_rxsz;
39 extern char *gdb_txp;
40
41 int gdb_rx_begin(void);
42 int gdb_rx_equal(const char *);
43 int gdb_rx_mem(unsigned char *, size_t);
44 int gdb_rx_varhex(uintmax_t *);
45
46 static __inline int
47 gdb_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
59 void gdb_tx_begin(char);
60 int gdb_tx_end(void);
61 int gdb_tx_mem(const unsigned char *, size_t);
62 void gdb_tx_reg(int);
63
64 static __inline void
65 gdb_tx_char(char c)
66 {
67 *gdb_txp++ = c;
68 }
69
70 static __inline int
71 gdb_tx_empty(void)
72 {
73 gdb_tx_begin('\0');
74 return (gdb_tx_end());
75 }
76
77 static __inline void
78 gdb_tx_hex(uintmax_t n, int sz)
79 {
80 gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n);
81 }
82
83 static __inline int
84 gdb_tx_err(int err)
85 {
86 gdb_tx_begin('E');
87 gdb_tx_hex(err, 2);
88 return (gdb_tx_end());
89 }
90
91 static __inline int
92 gdb_tx_ok(void)
93 {
94 gdb_tx_begin('O');
95 gdb_tx_char('K');
96 return (gdb_tx_end());
97 }
98
99 static __inline void
100 gdb_tx_str(const char *s)
101 {
102 while (*s)
103 *gdb_txp++ = *s++;
104 }
105
106 static __inline void
107 gdb_tx_varhex(uintmax_t n)
108 {
109 gdb_txp += sprintf(gdb_txp, "%jx", n);
110 }
111
112 #endif /* !_GDB_GDB_INT_H_ */
113
|