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/tmp/gdb-8.1/gdb/memrange.h
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1 /* The memory range data structure, and associated utilities.
2
3 Copyright (C) 2010-2018 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 #include "vec.h"
24
25 /* Defines a [START, START + LENGTH) memory range. */
26
27 struct mem_range
28 {
29 mem_range () = default;
30
31 mem_range (CORE_ADDR start_, int length_)
32 : start (start_), length (length_)
33 {}
34
35 bool operator< (const mem_range &other) const
36 {
37 return this->start < other.start;
38 }
39
40 bool operator== (const mem_range &other) const
41 {
42 return (this->start == other.start
43 && this->length == other.length);
44 }
45
46 /* Lowest address in the range. */
47 CORE_ADDR start;
48
49 /* Length of the range. */
50 int length;
51 };
52
53 /* Returns true if the ranges defined by [start1, start1+len1) and
54 [start2, start2+len2) overlap. */
55
56 extern int mem_ranges_overlap (CORE_ADDR start1, int len1,
57 CORE_ADDR start2, int len2);
58
59 /* Returns true if ADDR is in RANGE. */
60
61 extern int address_in_mem_range (CORE_ADDR addr,
62 const struct mem_range *range);
63
64 /* Sort ranges by start address, then coalesce contiguous or
65 overlapping ranges. */
66
67 extern void normalize_mem_ranges (std::vector<mem_range> *memory);
68
69 #endif
CORE_ADDR
bfd_vma CORE_ADDR
Definition: common-types.h:41
mem_range::operator==
bool operator==(const mem_range &other) const
Definition: memrange.h:40
mem_range
Definition: memrange.h:27
range
Definition: value.c:62
mem_range::operator<
bool operator<(const mem_range &other) const
Definition: memrange.h:35
normalize_mem_ranges
void normalize_mem_ranges(std::vector< mem_range > *memory)
Definition: memrange.c:45
mem_ranges_overlap
int mem_ranges_overlap(CORE_ADDR start1, int len1, CORE_ADDR start2, int len2)
Definition: memrange.c:25
mem_range::mem_range
mem_range(CORE_ADDR start_, int length_)
Definition: memrange.h:31
address_in_mem_range
int address_in_mem_range(CORE_ADDR addr, const struct mem_range *range)
Definition: memrange.c:38
mem_range::length
int length
Definition: memrange.h:50
mem_range::mem_range
mem_range()=default
vec.h
mem_range::start
CORE_ADDR start
Definition: memrange.h:47