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1 /*--------------------------------------------------------------------*/
2 /*--- Callgrind cost array interface.                      costs.h ---*/
3 /*--------------------------------------------------------------------*/
4 
5 /*
6    This file is part of Valgrind, a dynamic binary instrumentation
7    framework.
8 
9    Copyright (C) 2004-2017 Josef Weidendorfer
10       josef.weidendorfer@gmx.de
11 
12    This program is free software; you can redistribute it and/or
13    modify it under the terms of the GNU General Public License as
14    published by the Free Software Foundation; either version 2 of the
15    License, or (at your option) any later version.
16 
17    This program is distributed in the hope that it will be useful, but
18    WITHOUT ANY WARRANTY; without even the implied warranty of
19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20    General Public License for more details.
21 
22    You should have received a copy of the GNU General Public License
23    along with this program; if not, write to the Free Software
24    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25    02111-1307, USA.
26 
27    The GNU General Public License is contained in the file COPYING.
28 */
29 
30 
31 #ifndef CLG_COSTS
32 #define CLG_COSTS
33 
34 #include "pub_tool_basics.h"
35 
36 #define CLG_(str) VGAPPEND(vgCallgrind_,str)
37 
38 extern UInt CLG_(costarray_entries);
39 extern UInt CLG_(costarray_chunks);
40 
41 /* Array of 64bit costs. This is separated from other structs
42  * to support a dynamic number of costs for a cost item.
43  * Chunks are allocated on demand.
44  */
45 typedef struct _CostChunk CostChunk;
46 struct _CostChunk {
47   Int size;
48   Int used;
49   CostChunk *next, *prev;
50   ULong data[0];
51 };
52 
53 /* Allocate a number of 64bit cost values.
54  * Typically used from ct_events.c */
55 ULong* CLG_(get_costarray)(Int size);
56 
57 #endif /* CLG_COSTS */
58