1 /* coverage.h - Defines data exported from coverage.c 2 Copyright (C) 1998-2018 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 /*expected*/, 55 unsigned /*cfg_checksum*/, 56 unsigned /*lineno_checksum*/, 57 const struct gcov_ctr_summary **); 58 59 extern tree get_gcov_type (void); 60 extern bool coverage_node_map_initialized_p (void); 61 62 #endif 63