gcc/profile.h

   1 /* profile.h - Defines data exported from profile.c to other passes.
   2    Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 2, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to the Free
  18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 #ifndef GCC_PROFILE_H
  22 #define GCC_PROFILE_H
  23
  24 /* The number of different counter sections.  */
  25 #define MAX_COUNTER_SECTIONS    1
  26
  27 /* Info about number of counters in the section.  */
  28 struct section_info
  29 {
  30   unsigned tag;         /* Section tag.  */
  31   int present;          /* Are the data from this section read into gcc?  */
  32   int n_counters;       /* Total number of counters.  */
  33   int n_counters_now;   /* Number of counters in the current function.  */
  34 };
  35
  36 struct profile_info
  37   {
  38     /* Information about numbers of counters in counter sections, for
  39        allocating the storage and storing the sizes.  */
  40     unsigned n_sections;
  41     struct section_info section_info[MAX_COUNTER_SECTIONS];
  42
  43     /* Checksum of the cfg. Used for 'identification' of code.
  44        Used by final.  */
  45
  46     unsigned current_function_cfg_checksum;
  47
  48     /* Max. value of counter in program corresponding to the profile data
  49        for the current function.  */
  50
  51     gcov_type max_counter_in_program;
  52
  53     /* The number of profiles merged to form the profile data for the current
  54        function.  */
  55     int count_profiles_merged;
  56   };
  57
  58 extern struct profile_info profile_info;
  59
  60 struct section_info *find_counters_section      PARAMS ((unsigned));
  61
  62 #endif