callgrind/costs.h

   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 */