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, see <http://www.gnu.org/licenses/>.
  24
  25    The GNU General Public License is contained in the file COPYING.
  26 */
  27
  28
  29 #ifndef CLG_COSTS
  30 #define CLG_COSTS
  31
  32 #include "pub_tool_basics.h"
  33
  34 #define CLG_(str) VGAPPEND(vgCallgrind_,str)
  35
  36 extern UInt CLG_(costarray_entries);
  37 extern UInt CLG_(costarray_chunks);
  38
  39 /* Array of 64bit costs. This is separated from other structs
  40  * to support a dynamic number of costs for a cost item.
  41  * Chunks are allocated on demand.
  42  */
  43 typedef struct _CostChunk CostChunk;
  44 struct _CostChunk {
  45   Int size;
  46   Int used;
  47   CostChunk *next, *prev;
  48   ULong data[0];
  49 };
  50
  51 /* Allocate a number of 64bit cost values.
  52  * Typically used from ct_events.c */
  53 ULong* CLG_(get_costarray)(Int size);
  54
  55 #endif /* CLG_COSTS */