1  /* coverage.h - Defines data exported from coverage.cc
       2     Copyright (C) 1998-2023 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 3, 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 COPYING3.  If not see
      18  <http://www.gnu.org/licenses/>.  */
      19  
      20  #ifndef GCC_COVERAGE_H
      21  #define GCC_COVERAGE_H
      22  
      23  #include "gcov-io.h"
      24  
      25  extern void coverage_init (const char *);
      26  extern void coverage_finish (void);
      27  extern void coverage_remove_note_file (void);
      28  
      29  /* Start outputting coverage information for the current
      30     function.  */
      31  extern int coverage_begin_function (unsigned, unsigned);
      32  
      33  /* Complete the coverage information for the current function.  */
      34  extern void coverage_end_function (unsigned, unsigned);
      35  
      36  /* Compute the control flow checksum for the function FN given as argument.  */
      37  extern unsigned coverage_compute_cfg_checksum (struct function *fn);
      38  
      39  /* Compute the profile id of function N.  */
      40  extern unsigned coverage_compute_profile_id (struct cgraph_node *n);
      41  
      42  /* Compute the line number checksum for the current function.  */
      43  extern unsigned coverage_compute_lineno_checksum (void);
      44  
      45  /* Allocate some counters. Repeatable per function.  */
      46  extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
      47  /* Use a counter from the most recent allocation.  */
      48  extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
      49  /* Use a counter address from the most recent allocation.  */
      50  extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
      51  
      52  /* Get all the counters for the current function.  */
      53  extern gcov_type *get_coverage_counts (unsigned /*counter*/,
      54  				       unsigned /*cfg_checksum*/,
      55  				       unsigned /*lineno_checksum*/,
      56  				       unsigned /*n_counts*/);
      57  
      58  extern tree get_gcov_type (void);
      59  extern bool coverage_node_map_initialized_p (void);
      60  
      61  #endif