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
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along 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
26extern void coverage_init (const char *);
27extern void coverage_finish (void);
28
29/* Complete the coverage information for the current function. Once
30   per function.  */
31extern void coverage_end_function (void);
32
33/* Start outputting coverage information for the current
34   function. Repeatable per function.  */
35extern int coverage_begin_output (void);
36
37/* Allocate some counters. Repeatable per function.  */
38extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
39/* Use a counter from the most recent allocation.  */
40extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
41/* Use a counter address from the most recent allocation.  */
42extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
43
44/* Get all the counters for the current function.  */
45extern gcov_type *get_coverage_counts (unsigned /*counter*/,
46				       unsigned /*expected*/,
47				       const struct gcov_ctr_summary **);
48
49extern tree get_gcov_type (void);
50
51#endif
52