gdb/common/rsp-low.h

   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
  25 extern int fromhex (int a);
  26
  27 /* Convert number NIB to a hex digit.  */
  28
  29 extern int tohex (int nib);
  30
  31 extern char *pack_nibble (char *buf, int nibble);
  32
  33 extern char *pack_hex_byte (char *pkt, int byte);
  34
  35 extern char *unpack_varlen_hex (char *buff, ULONGEST *result);
  36
  37 extern int hex2bin (const char *hex, gdb_byte *bin, int count);
  38
  39 extern int unhexify (char *bin, const char *hex, int count);
  40
  41 extern void convert_ascii_to_int (const char *from, unsigned char *to, int n);
  42
  43 extern int bin2hex (const gdb_byte *bin, char *hex, int count);
  44
  45 extern void convert_int_to_ascii (const unsigned char *from, char *to, int n);
  46
  47 /* Convert BUFFER, binary data at least LEN bytes long, into escaped
  48    binary data in OUT_BUF.  Set *OUT_LEN to the length of the data
  49    encoded in OUT_BUF, and return the number of bytes in OUT_BUF
  50    (which may be more than *OUT_LEN due to escape characters).  The
  51    total number of bytes in the output buffer will be at most
  52    OUT_MAXLEN.  This function properly escapes '*', and so is suitable
  53    for the server side as well as the client.  */
  54
  55 extern int remote_escape_output (const gdb_byte *buffer, int len,
  56                                  gdb_byte *out_buf, int *out_len,
  57                                  int out_maxlen);
  58
  59 /* Convert BUFFER, escaped data LEN bytes long, into binary data
  60    in OUT_BUF.  Return the number of bytes written to OUT_BUF.
  61    Raise an error if the total number of bytes exceeds OUT_MAXLEN.
  62
  63    This function reverses remote_escape_output.  */
  64
  65 extern int remote_unescape_input (const gdb_byte *buffer, int len,
  66                                   gdb_byte *out_buf, int out_maxlen);
  67
  68 #endif /* COMMON_RSP_LOW_H */