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memrange.h
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1/* The memory range data structure, and associated utilities.
2
3 Copyright (C) 2010-2023 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#ifndef MEMRANGE_H
21#define MEMRANGE_H
22
23/* Defines a [START, START + LENGTH) memory range. */
24
26{
27 mem_range () = default;
28
29 mem_range (CORE_ADDR start_, int length_)
30 : start (start_), length (length_)
31 {}
32
33 bool operator< (const mem_range &other) const
34 {
35 return this->start < other.start;
36 }
37
38 bool operator== (const mem_range &other) const
39 {
40 return (this->start == other.start
41 && this->length == other.length);
42 }
43
44 /* Lowest address in the range. */
45 CORE_ADDR start;
46
47 /* Length of the range. */
48 int length;
49};
50
51/* Returns true if the ranges defined by [start1, start1+len1) and
52 [start2, start2+len2) overlap. */
53
54extern int mem_ranges_overlap (CORE_ADDR start1, int len1,
55 CORE_ADDR start2, int len2);
56
57/* Returns true if ADDR is in RANGE. */
58
59extern int address_in_mem_range (CORE_ADDR addr,
60 const struct mem_range *range);
61
62/* Sort ranges by start address, then coalesce contiguous or
63 overlapping ranges. */
64
65extern void normalize_mem_ranges (std::vector<mem_range> *memory);
66
67#endif
int mem_ranges_overlap(CORE_ADDR start1, int len1, CORE_ADDR start2, int len2)
Definition memrange.c:25
void normalize_mem_ranges(std::vector< mem_range > *memory)
Definition memrange.c:45
int address_in_mem_range(CORE_ADDR addr, const struct mem_range *range)
Definition memrange.c:38
mem_range()=default
mem_range(CORE_ADDR start_, int length_)
Definition memrange.h:29
int length
Definition memrange.h:48
bool operator<(const mem_range &other) const
Definition memrange.h:33
bool operator==(const mem_range &other) const
Definition memrange.h:38
CORE_ADDR start
Definition memrange.h:45
Definition value.h:90