GDB (xrefs)
bound_registers.py
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1 # Pretty-printers for bounds registers.
2 # Copyright (C) 2013-2015 Free Software Foundation, Inc.
3 
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 
17 import gdb.printing
18 
19 class MpxBound128Printer:
20  """Adds size field to a mpx __gdb_builtin_type_bound128 type."""
21 
22  def __init__ (self, val):
23  self.val = val
24 
25  def to_string (self):
26  upper = self.val["ubound"]
27  lower = self.val["lbound"]
28  size = (long) ((upper) - (lower))
29  if size > -1:
30  size = size + 1
31  result = '{lbound = %s, ubound = %s} : size %s' % (lower, upper, size)
32  return result
33 
34 gdb.printing.add_builtin_pretty_printer ('mpx_bound128',
35  '^__gdb_builtin_type_bound128',
36  MpxBound128Printer)