84 lines
3.3 KiB
C
84 lines
3.3 KiB
C
/* Low-level RSP routines for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 1988-2015 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);
|
|
|
|
/* Write a character representing the low order four bits of NIBBLE in
|
|
hex to *BUF. Returns BUF+1. */
|
|
|
|
extern char *pack_nibble (char *buf, int nibble);
|
|
|
|
/* Write the low byte of BYTE in hex to *BUF. Returns BUF+2. */
|
|
|
|
extern char *pack_hex_byte (char *pkt, int byte);
|
|
|
|
/* Read hex digits from BUFF and convert to a number, which is stored
|
|
in RESULT. Reads until a non-hex digit is seen. Returns a pointer
|
|
to the terminating character. */
|
|
|
|
extern char *unpack_varlen_hex (char *buff, ULONGEST *result);
|
|
|
|
/* HEX is a string of characters representing hexadecimal digits.
|
|
Convert pairs of hex digits to bytes and store sequentially into
|
|
BIN. COUNT is the maximum number of characters to convert. This
|
|
will convert fewer characters if the number of hex characters
|
|
actually seen is odd, or if HEX terminates before COUNT characters.
|
|
Returns the number of characters actually converted. */
|
|
|
|
extern int hex2bin (const char *hex, gdb_byte *bin, int count);
|
|
|
|
/* Convert some bytes to a hexadecimal representation. BIN holds the
|
|
bytes to convert. COUNT says how many bytes to convert. The
|
|
resulting characters are stored in HEX, followed by a NUL
|
|
character. Returns the number of bytes actually converted. */
|
|
|
|
extern int bin2hex (const gdb_byte *bin, char *hex, int count);
|
|
|
|
/* Convert BUFFER, binary data at least LEN_UNITS addressable memory units
|
|
long, into escaped binary data in OUT_BUF. Only copy memory units that fit
|
|
completely in OUT_BUF. Set *OUT_LEN_UNITS to the number of units from
|
|
BUFFER successfully encoded in OUT_BUF, and return the number of bytes used
|
|
in OUT_BUF. The total number of bytes in the output buffer will be at most
|
|
OUT_MAXLEN_BYTES. 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_units,
|
|
int unit_size, gdb_byte *out_buf,
|
|
int *out_len_units, int out_maxlen_bytes);
|
|
|
|
/* 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 */
|