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.

1 files changed, 51 insertions, 0 deletions

diff --git a/gdb/memrange.h b/gdb/memrange.h
new file mode 100644
index 00000000000..9071b88de5d
--- /dev/null
+++ b/gdb/memrange.h
@@ -0,0 +1,51 @@
+/* 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