gdbsupport/gdb_signals.h

   1 /* Target signal translation functions for GDB.
   2    Copyright (C) 1990-2020 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   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_GDB_SIGNALS_H
  21 #define COMMON_GDB_SIGNALS_H
  22
  23 #include "gdb/signals.h"
  24
  25 /* Predicate to gdb_signal_to_host(). Return non-zero if the enum
  26    targ_signal SIGNO has an equivalent ``host'' representation.  */
  27 /* FIXME: cagney/1999-11-22: The name below was chosen in preference
  28    to the shorter gdb_signal_p() because it is far less ambigious.
  29    In this context ``gdb_signal'' refers to GDB's internal
  30    representation of the target's set of signals while ``host signal''
  31    refers to the target operating system's signal.  Confused?  */
  32 extern int gdb_signal_to_host_p (enum gdb_signal signo);
  33
  34 /* Convert between host signal numbers and enum gdb_signal's.
  35    gdb_signal_to_host() returns 0 and prints a warning() on GDB's
  36    console if SIGNO has no equivalent host representation.  */
  37 /* FIXME: cagney/1999-11-22: Here ``host'' is used incorrectly, it is
  38    refering to the target operating system's signal numbering.
  39    Similarly, ``enum gdb_signal'' is named incorrectly, ``enum
  40    gdb_signal'' would probably be better as it is refering to GDB's
  41    internal representation of a target operating system's signal.  */
  42 extern enum gdb_signal gdb_signal_from_host (int);
  43 extern int gdb_signal_to_host (enum gdb_signal);
  44
  45 /* Return the enum symbol name of SIG as a string, to use in debug
  46    output.  */
  47 extern const char *gdb_signal_to_symbol_string (enum gdb_signal sig);
  48
  49 /* Return the string for a signal.  */
  50 extern const char *gdb_signal_to_string (enum gdb_signal);
  51
  52 /* Return the name (SIGHUP, etc.) for a signal.  */
  53 extern const char *gdb_signal_to_name (enum gdb_signal);
  54
  55 /* Given a name (SIGHUP, etc.), return its signal.  */
  56 enum gdb_signal gdb_signal_from_name (const char *);
  57
  58 #endif /* COMMON_GDB_SIGNALS_H */