gcc/coverage.h

   1 /* coverage.h - Defines data exported from coverage.c
   2    Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_COVERAGE_H
  22 #define GCC_COVERAGE_H
  23
  24 #include "gcov-io.h"
  25
  26 extern void coverage_init (const char *);
  27 extern void coverage_finish (void);
  28
  29 /* Complete the coverage information for the current function. Once
  30    per function.  */
  31 extern void coverage_end_function (unsigned, unsigned);
  32
  33 /* Start outputting coverage information for the current
  34    function. Repeatable per function.  */
  35 extern int coverage_begin_output (unsigned, unsigned);
  36
  37 /* Compute the control flow checksum for the current function.  */
  38 extern unsigned coverage_compute_cfg_checksum (void);
  39
  40 /* Compute the line number checksum for the current function.  */
  41 extern unsigned coverage_compute_lineno_checksum (void);
  42
  43 /* Allocate some counters. Repeatable per function.  */
  44 extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
  45 /* Use a counter from the most recent allocation.  */
  46 extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
  47 /* Use a counter address from the most recent allocation.  */
  48 extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
  49
  50 /* Get all the counters for the current function.  */
  51 extern gcov_type *get_coverage_counts (unsigned /*counter*/,
  52                                        unsigned /*expected*/,
  53                                        unsigned /*cfg_checksum*/,
  54                                        unsigned /*lineno_checksum*/,
  55                                        const struct gcov_ctr_summary **);
  56
  57 extern tree get_gcov_type (void);
  58
  59 #endif