68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/* The memory range data structure, and associated utilities.
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Copyright (C) 2010-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef MEMRANGE_H
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#define MEMRANGE_H
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/* Defines a [START, START + LENGTH) memory range. */
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struct mem_range
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{
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mem_range () = default;
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mem_range (CORE_ADDR start_, int length_)
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: start (start_), length (length_)
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{}
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bool operator< (const mem_range &other) const
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{
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return this->start < other.start;
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}
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bool operator== (const mem_range &other) const
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{
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return (this->start == other.start
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&& this->length == other.length);
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}
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/* Lowest address in the range. */
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CORE_ADDR start;
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/* Length of the range. */
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int length;
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};
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/* Returns true if the ranges defined by [start1, start1+len1) and
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[start2, start2+len2) overlap. */
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extern int mem_ranges_overlap (CORE_ADDR start1, int len1,
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CORE_ADDR start2, int len2);
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/* Returns true if ADDR is in RANGE. */
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extern int address_in_mem_range (CORE_ADDR addr,
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const struct mem_range *range);
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/* Sort ranges by start address, then coalesce contiguous or
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overlapping ranges. */
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extern void normalize_mem_ranges (std::vector<mem_range> *memory);
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#endif
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