gdb/gdbserver/tdesc.h

   1 /* Target description definitions for remote server for GDB.
   2    Copyright (C) 2012-2016 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef TDESC_H
  20 #define TDESC_H
  21
  22 struct reg;
  23
  24 /* A target description.  */
  25
  26 struct target_desc
  27 {
  28   /* An array of NUM_REGISTERS elements of register definitions that
  29      describe the inferior's register set.  */
  30   struct reg *reg_defs;
  31
  32   /* The number of registers in inferior's register set (and thus in
  33      the regcache).  */
  34   int num_registers;
  35
  36   /* The register cache size, in bytes.  */
  37   int registers_size;
  38
  39   /* An array of register names.  These are the "expedite" registers:
  40      registers whose values are sent along with stop replies.  */
  41   const char **expedite_regs;
  42
  43   /* Defines what to return when looking for the "target.xml" file in
  44      response to qXfer:features:read.  Its contents can either be
  45      verbatim XML code (prefixed with a '@') or else the name of the
  46      actual XML file to be used in place of "target.xml".  */
  47   const char *xmltarget;
  48 };
  49
  50 /* Copy target description SRC to DEST.  */
  51
  52 void copy_target_description (struct target_desc *dest,
  53                               const struct target_desc *src);
  54
  55 /* Initialize TDESC.  */
  56
  57 void init_target_desc (struct target_desc *tdesc);
  58
  59 /* Return the current inferior's target description.  Never returns
  60    NULL.  */
  61
  62 const struct target_desc *current_target_desc (void);
  63
  64 #endif /* TDESC_H */