xref: /dragonfly/contrib/gdb-7/gdb/memrange.h (revision ef5ccd6c)
1c50c785cSJohn Marino /* The memory range data structure, and associated utilities.
2c50c785cSJohn Marino 
3*ef5ccd6cSJohn Marino    Copyright (C) 2010-2013 Free Software Foundation, Inc.
4c50c785cSJohn Marino 
5c50c785cSJohn Marino    This file is part of GDB.
6c50c785cSJohn Marino 
7c50c785cSJohn Marino    This program is free software; you can redistribute it and/or modify
8c50c785cSJohn Marino    it under the terms of the GNU General Public License as published by
9c50c785cSJohn Marino    the Free Software Foundation; either version 3 of the License, or
10c50c785cSJohn Marino    (at your option) any later version.
11c50c785cSJohn Marino 
12c50c785cSJohn Marino    This program is distributed in the hope that it will be useful,
13c50c785cSJohn Marino    but WITHOUT ANY WARRANTY; without even the implied warranty of
14c50c785cSJohn Marino    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15c50c785cSJohn Marino    GNU General Public License for more details.
16c50c785cSJohn Marino 
17c50c785cSJohn Marino    You should have received a copy of the GNU General Public License
18c50c785cSJohn Marino    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19c50c785cSJohn Marino 
20c50c785cSJohn Marino #ifndef MEMRANGE_H
21c50c785cSJohn Marino #define MEMRANGE_H
22c50c785cSJohn Marino 
23c50c785cSJohn Marino #include "vec.h"
24c50c785cSJohn Marino 
25c50c785cSJohn Marino /* Defines a [START, START + LENGTH) memory range.  */
26c50c785cSJohn Marino 
27c50c785cSJohn Marino struct mem_range
28c50c785cSJohn Marino {
29c50c785cSJohn Marino   /* Lowest address in the range.  */
30c50c785cSJohn Marino   CORE_ADDR start;
31c50c785cSJohn Marino 
32c50c785cSJohn Marino   /* Length of the range.  */
33c50c785cSJohn Marino   int length;
34c50c785cSJohn Marino };
35c50c785cSJohn Marino 
36c50c785cSJohn Marino typedef struct mem_range mem_range_s;
37c50c785cSJohn Marino 
38c50c785cSJohn Marino DEF_VEC_O(mem_range_s);
39c50c785cSJohn Marino 
40c50c785cSJohn Marino /* Returns true if the ranges defined by [start1, start1+len1) and
41c50c785cSJohn Marino    [start2, start2+len2) overlap.  */
42c50c785cSJohn Marino 
43c50c785cSJohn Marino extern int mem_ranges_overlap (CORE_ADDR start1, int len1,
44c50c785cSJohn Marino 			       CORE_ADDR start2, int len2);
45c50c785cSJohn Marino 
46c50c785cSJohn Marino /* Sort ranges by start address, then coalesce contiguous or
47c50c785cSJohn Marino    overlapping ranges.  */
48c50c785cSJohn Marino 
49c50c785cSJohn Marino extern void normalize_mem_ranges (VEC(mem_range_s) *memory);
50c50c785cSJohn Marino 
51c50c785cSJohn Marino #endif
52