move some rsp bits into rsp-low.h
[deliverable/binutils-gdb.git] / gdb / common / rsp-low.h
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1/* Low-level RSP routines for GDB, the GNU debugger.
2
3 Copyright (C) 1988-2014 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20#ifndef COMMON_RSP_LOW_H
21#define COMMON_RSP_LOW_H
22
23/* Convert hex digit A to a number, or throw an exception. */
24
25extern int fromhex (int a);
26
27/* Convert number NIB to a hex digit. */
28
29extern int tohex (int nib);
30
31extern char *pack_nibble (char *buf, int nibble);
32
33extern char *pack_hex_byte (char *pkt, int byte);
34
35extern char *unpack_varlen_hex (char *buff, ULONGEST *result);
36
37extern int hex2bin (const char *hex, gdb_byte *bin, int count);
38
39extern int unhexify (char *bin, const char *hex, int count);
40
41extern void convert_ascii_to_int (const char *from, unsigned char *to, int n);
42
43extern int bin2hex (const gdb_byte *bin, char *hex, int count);
44
45extern int hexify (char *hex, const char *bin, int count);
46
47extern void convert_int_to_ascii (const unsigned char *from, char *to, int n);
48
49/* Convert BUFFER, binary data at least LEN bytes long, into escaped
50 binary data in OUT_BUF. Set *OUT_LEN to the length of the data
51 encoded in OUT_BUF, and return the number of bytes in OUT_BUF
52 (which may be more than *OUT_LEN due to escape characters). The
53 total number of bytes in the output buffer will be at most
54 OUT_MAXLEN. This function properly escapes '*', and so is suitable
55 for the server side as well as the client. */
56
57extern int remote_escape_output (const gdb_byte *buffer, int len,
58 gdb_byte *out_buf, int *out_len,
59 int out_maxlen);
60
61/* Convert BUFFER, escaped data LEN bytes long, into binary data
62 in OUT_BUF. Return the number of bytes written to OUT_BUF.
63 Raise an error if the total number of bytes exceeds OUT_MAXLEN.
64
65 This function reverses remote_escape_output. */
66
67extern int remote_unescape_input (const gdb_byte *buffer, int len,
68 gdb_byte *out_buf, int out_maxlen);
69
70#endif /* COMMON_RSP_LOW_H */
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