1 /* coverage.h - Defines data exported from coverage.c
2 Copyright (C) 1998-2013 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 current function. */
36 extern unsigned coverage_compute_cfg_checksum (void);
38 /* Compute the line number checksum for the current function. */
39 extern unsigned coverage_compute_lineno_checksum (void);
41 /* Allocate some counters. Repeatable per function. */
42 extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
43 /* Use a counter from the most recent allocation. */
44 extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
45 /* Use a counter address from the most recent allocation. */
46 extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
48 /* Get all the counters for the current function. */
49 extern gcov_type *get_coverage_counts (unsigned /*counter*/,
50 unsigned /*expected*/,
51 unsigned /*cfg_checksum*/,
52 unsigned /*lineno_checksum*/,
53 const struct gcov_ctr_summary **);
55 extern tree get_gcov_type (void);