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 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along 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 26 extern void coverage_init (const char *); 27 extern void coverage_finish (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 current function. */ 37 extern unsigned coverage_compute_cfg_checksum (void); 38 39 /* Compute the line number checksum for the current function. */ 40 extern unsigned coverage_compute_lineno_checksum (void); 41 42 /* Allocate some counters. Repeatable per function. */ 43 extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/); 44 /* Use a counter from the most recent allocation. */ 45 extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/); 46 /* Use a counter address from the most recent allocation. */ 47 extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/); 48 49 /* Get all the counters for the current function. */ 50 extern gcov_type *get_coverage_counts (unsigned /*counter*/, 51 unsigned /*expected*/, 52 unsigned /*cfg_checksum*/, 53 unsigned /*lineno_checksum*/, 54 const struct gcov_ctr_summary **); 55 56 extern tree get_gcov_type (void); 57 58 #endif 59