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1 /* coverage.h - Defines data exported from coverage.c
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131
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2 Copyright (C) 1998-2018 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef GCC_COVERAGE_H
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21 #define GCC_COVERAGE_H
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22
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23 #include "gcov-io.h"
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24
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25 extern void coverage_init (const char *);
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26 extern void coverage_finish (void);
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27 extern void coverage_remove_note_file (void);
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28
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29 /* Start outputting coverage information for the current
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30 function. */
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31 extern int coverage_begin_function (unsigned, unsigned);
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32
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33 /* Complete the coverage information for the current function. */
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34 extern void coverage_end_function (unsigned, unsigned);
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35
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36 /* Compute the control flow checksum for the function FN given as argument. */
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37 extern unsigned coverage_compute_cfg_checksum (struct function *fn);
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38
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39 /* Compute the profile id of function N. */
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40 extern unsigned coverage_compute_profile_id (struct cgraph_node *n);
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41
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42 /* Compute the line number checksum for the current function. */
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43 extern unsigned coverage_compute_lineno_checksum (void);
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44
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45 /* Allocate some counters. Repeatable per function. */
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46 extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
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47 /* Use a counter from the most recent allocation. */
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48 extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
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49 /* Use a counter address from the most recent allocation. */
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50 extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
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51
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52 /* Get all the counters for the current function. */
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53 extern gcov_type *get_coverage_counts (unsigned /*counter*/,
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54 unsigned /*cfg_checksum*/,
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55 unsigned /*lineno_checksum*/);
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56
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57 extern tree get_gcov_type (void);
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58 extern bool coverage_node_map_initialized_p (void);
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59
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60 #endif
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