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authorPedro Alves <palves@redhat.com>2011-02-14 11:20:27 +0000
committerPedro Alves <palves@redhat.com>2011-02-14 11:20:27 +0000
commit2a7498d819aef97a9abf94dc20899affe68080fe (patch)
tree97fcf43c8f7bcb84fe060973daa35695160d8820 /gdb/memrange.h
parent4d1f5c790bbbc9c638b130fca24a9483c700e8d9 (diff)
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2011-02-14 Pedro Alves <pedro@codesourcery.com>
gdb/ * Makefile.in (SFILES): Add memrange.c. (HFILES_NO_SRCDIR): Add memrange.h. (COMMON_OBS): Add memrange.o. * memrange.c: New file. * memrange.h: New file. * tracepoint.c: Include memrange.h. (struct mem_range): Delete. (mem_range_s): Delete. (traceframe_available_memory): New function. * tracepoint.h (traceframe_available_memory): Declare.
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+/* The memory range data structure, and associated utilities.
+
+ Copyright (C) 2010, 2011 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
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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 <http://www.gnu.org/licenses/>. */
+
+#ifndef MEMRANGE_H
+#define MEMRANGE_H
+
+#include "vec.h"
+
+/* Defines a [START, START + LENGTH) memory range. */
+
+struct mem_range
+{
+ /* Lowest address in the range. */
+ CORE_ADDR start;
+
+ /* Length of the range. */
+ int length;
+};
+
+typedef struct mem_range mem_range_s;
+
+DEF_VEC_O(mem_range_s);
+
+/* 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);
+
+/* Sort ranges by start address, then coalesce contiguous or
+ overlapping ranges. */
+
+extern void normalize_mem_ranges (VEC(mem_range_s) *memory);
+
+#endif