binutils-gdb/gdbsupport/common-regcache.cc

/* Cache and manage the values of registers for GDB, the GNU debugger.

   Copyright (C) 2015-2022 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/>.  */

#include "common-defs.h"
#include "common-regcache.h"

/* Return the register's value or throw if it's not available.  */

ULONGEST
regcache_raw_get_unsigned (struct regcache *regcache, int regnum)
{
  ULONGEST value;
  enum register_status status;

  status = regcache_raw_read_unsigned (regcache, regnum, &value);
  if (status == REG_UNAVAILABLE)
    throw_error (NOT_AVAILABLE_ERROR,
		 _("Register %d is not available"), regnum);
  return value;
}