1 /* coverage.h - Defines data exported from coverage.c
2 Copyright (C) 1998-2016 Free Software Foundation, Inc.
4 This file is part of GCC.
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
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
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/>. */
20 #ifndef GCC_COVERAGE_H
21 #define GCC_COVERAGE_H
25 extern void coverage_init (const char *);
26 extern void coverage_finish (void);
28 /* Start outputting coverage information for the current
30 extern int coverage_begin_function (unsigned, unsigned);
32 /* Complete the coverage information for the current function. */
33 extern void coverage_end_function (unsigned, unsigned);
35 /* Compute the control flow checksum for the function FN given as argument. */
36 extern unsigned coverage_compute_cfg_checksum (struct function *fn);
38 /* Compute the profile id of function N. */
39 extern unsigned coverage_compute_profile_id (struct cgraph_node *n);
41 /* Compute the line number checksum for the current function. */
42 extern unsigned coverage_compute_lineno_checksum (void);
44 /* Allocate some counters. Repeatable per function. */
45 extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
46 /* Use a counter from the most recent allocation. */
47 extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
48 /* Use a counter address from the most recent allocation. */
49 extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
51 /* Get all the counters for the current function. */
52 extern gcov_type *get_coverage_counts (unsigned /*counter*/,
53 unsigned /*expected*/,
54 unsigned /*cfg_checksum*/,
55 unsigned /*lineno_checksum*/,
56 const struct gcov_ctr_summary **);
58 extern tree get_gcov_type (void);
59 extern bool coverage_node_map_initialized_p (void);