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/* The memory range data structure, and associated utilities.
Copyright (C) 2010-2021 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
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 <>. */
#ifndef MEMRANGE_H
#define MEMRANGE_H
/* Defines a [START, START + LENGTH) memory range. */
struct mem_range
mem_range () = default;
mem_range (CORE_ADDR start_, int length_)
: start (start_), length (length_)
bool operator< (const mem_range &other) const
return this->start < other.start;
bool operator== (const mem_range &other) const
return (this->start == other.start
&& this->length == other.length);
/* Lowest address in the range. */
CORE_ADDR start;
/* Length of the range. */
int length;
/* Returns true if the ranges defined by [start1, start1+len1) and
[start2, start2+len2) overlap. */
extern int mem_ranges_overlap (CORE_ADDR start1, int len1,
CORE_ADDR start2, int len2);
/* Returns true if ADDR is in RANGE. */
extern int address_in_mem_range (CORE_ADDR addr,
const struct mem_range *range);
/* Sort ranges by start address, then coalesce contiguous or
overlapping ranges. */
extern void normalize_mem_ranges (std::vector<mem_range> *memory);