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/* Low-level RSP routines for GDB, the GNU debugger.
Copyright (C) 1988-2014 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_RSP_LOW_H
#define COMMON_RSP_LOW_H
/* Convert hex digit A to a number, or throw an exception. */
extern int fromhex (int a);
/* Convert number NIB to a hex digit. */
extern int tohex (int nib);
extern char *pack_nibble (char *buf, int nibble);
extern char *pack_hex_byte (char *pkt, int byte);
extern char *unpack_varlen_hex (char *buff, ULONGEST *result);
extern int hex2bin (const char *hex, gdb_byte *bin, int count);
extern int unhexify (char *bin, const char *hex, int count);
extern void convert_ascii_to_int (const char *from, unsigned char *to, int n);
extern int bin2hex (const gdb_byte *bin, char *hex, int count);
/* Convert BUFFER, binary data at least LEN bytes long, into escaped
binary data in OUT_BUF. Set *OUT_LEN to the length of the data
encoded in OUT_BUF, and return the number of bytes in OUT_BUF
(which may be more than *OUT_LEN due to escape characters). The
total number of bytes in the output buffer will be at most
OUT_MAXLEN. This function properly escapes '*', and so is suitable
for the server side as well as the client. */
extern int remote_escape_output (const gdb_byte *buffer, int len,
gdb_byte *out_buf, int *out_len,
int out_maxlen);
/* Convert BUFFER, escaped data LEN bytes long, into binary data
in OUT_BUF. Return the number of bytes written to OUT_BUF.
Raise an error if the total number of bytes exceeds OUT_MAXLEN.
This function reverses remote_escape_output. */
extern int remote_unescape_input (const gdb_byte *buffer, int len,
gdb_byte *out_buf, int out_maxlen);
#endif /* COMMON_RSP_LOW_H */
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