gdbsupport/common-regcache.cc

   1 /* Cache and manage the values of registers for GDB, the GNU debugger.
   2
   3    Copyright (C) 2015-2020 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 #include "common-defs.h"
  21 #include "common-regcache.h"
  22
  23 /* Return the register's value or throw if it's not available.  */
  24
  25 ULONGEST
  26 regcache_raw_get_unsigned (struct regcache *regcache, int regnum)
  27 {
  28   ULONGEST value;
  29   enum register_status status;
  30
  31   status = regcache_raw_read_unsigned (regcache, regnum, &value);
  32   if (status == REG_UNAVAILABLE)
  33     throw_error (NOT_AVAILABLE_ERROR,
  34                  _("Register %d is not available"), regnum);
  35   return value;
  36 }