1/* coverage.h - Defines data exported from coverage.c
2 Copyright (C) 1998-2017 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along 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
25extern void coverage_init (const char *);
26extern void coverage_finish (void);
27extern void coverage_remove_note_file (void);
28
29/* Start outputting coverage information for the current
30 function. */
31extern int coverage_begin_function (unsigned, unsigned);
32
33/* Complete the coverage information for the current function. */
34extern void coverage_end_function (unsigned, unsigned);
35
36/* Compute the control flow checksum for the function FN given as argument. */
37extern unsigned coverage_compute_cfg_checksum (struct function *fn);
38
39/* Compute the profile id of function N. */
40extern unsigned coverage_compute_profile_id (struct cgraph_node *n);
41
42/* Compute the line number checksum for the current function. */
43extern unsigned coverage_compute_lineno_checksum (void);
44
45/* Allocate some counters. Repeatable per function. */
46extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
47/* Use a counter from the most recent allocation. */
48extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
49/* Use a counter address from the most recent allocation. */
50extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
51
52/* Get all the counters for the current function. */
53extern gcov_type *get_coverage_counts (unsigned /*counter*/,
54 unsigned /*expected*/,
55 unsigned /*cfg_checksum*/,
56 unsigned /*lineno_checksum*/,
57 const struct gcov_ctr_summary **);
58
59extern tree get_gcov_type (void);
60extern bool coverage_node_map_initialized_p (void);
61
62#endif
63