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9c3d6531 TT |
1 | /* Low-level RSP routines for GDB, the GNU debugger. |
2 | ||
3666a048 | 3 | Copyright (C) 1988-2021 Free Software Foundation, Inc. |
9c3d6531 TT |
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 | ||
9c3d6531 TT |
23 | /* Convert number NIB to a hex digit. */ |
24 | ||
25 | extern int tohex (int nib); | |
26 | ||
9d2d0b8b TT |
27 | /* Write a character representing the low order four bits of NIBBLE in |
28 | hex to *BUF. Returns BUF+1. */ | |
29 | ||
9c3d6531 TT |
30 | extern char *pack_nibble (char *buf, int nibble); |
31 | ||
9d2d0b8b TT |
32 | /* Write the low byte of BYTE in hex to *BUF. Returns BUF+2. */ |
33 | ||
9c3d6531 TT |
34 | extern char *pack_hex_byte (char *pkt, int byte); |
35 | ||
9d2d0b8b TT |
36 | /* Read hex digits from BUFF and convert to a number, which is stored |
37 | in RESULT. Reads until a non-hex digit is seen. Returns a pointer | |
38 | to the terminating character. */ | |
39 | ||
256642e8 | 40 | extern const char *unpack_varlen_hex (const char *buff, ULONGEST *result); |
9c3d6531 | 41 | |
0a2dde4a SDJ |
42 | /* Like hex2bin, but return a std::string. */ |
43 | ||
44 | extern std::string hex2str (const char *hex); | |
45 | ||
5d9310c4 SM |
46 | /* Like hex2bin, but return a std::string. */ |
47 | ||
48 | extern std::string hex2str (const char *hex, int count); | |
49 | ||
9d2d0b8b TT |
50 | /* Convert some bytes to a hexadecimal representation. BIN holds the |
51 | bytes to convert. COUNT says how many bytes to convert. The | |
52 | resulting characters are stored in HEX, followed by a NUL | |
53 | character. Returns the number of bytes actually converted. */ | |
54 | ||
9c3d6531 TT |
55 | extern int bin2hex (const gdb_byte *bin, char *hex, int count); |
56 | ||
0a2dde4a SDJ |
57 | /* Overloaded version of bin2hex that returns a std::string. */ |
58 | ||
59 | extern std::string bin2hex (const gdb_byte *bin, int count); | |
60 | ||
124e13d9 SM |
61 | /* Convert BUFFER, binary data at least LEN_UNITS addressable memory units |
62 | long, into escaped binary data in OUT_BUF. Only copy memory units that fit | |
63 | completely in OUT_BUF. Set *OUT_LEN_UNITS to the number of units from | |
64 | BUFFER successfully encoded in OUT_BUF, and return the number of bytes used | |
65 | in OUT_BUF. The total number of bytes in the output buffer will be at most | |
66 | OUT_MAXLEN_BYTES. This function properly escapes '*', and so is suitable | |
9c3d6531 TT |
67 | for the server side as well as the client. */ |
68 | ||
124e13d9 SM |
69 | extern int remote_escape_output (const gdb_byte *buffer, int len_units, |
70 | int unit_size, gdb_byte *out_buf, | |
71 | int *out_len_units, int out_maxlen_bytes); | |
9c3d6531 TT |
72 | |
73 | /* Convert BUFFER, escaped data LEN bytes long, into binary data | |
74 | in OUT_BUF. Return the number of bytes written to OUT_BUF. | |
75 | Raise an error if the total number of bytes exceeds OUT_MAXLEN. | |
76 | ||
77 | This function reverses remote_escape_output. */ | |
78 | ||
79 | extern int remote_unescape_input (const gdb_byte *buffer, int len, | |
80 | gdb_byte *out_buf, int out_maxlen); | |
81 | ||
82 | #endif /* COMMON_RSP_LOW_H */ |