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ca29da43 1/* coverage.h - Defines data exported from coverage.c
66647d44 2 Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
f30278e8 3 Free Software Foundation, Inc.
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4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9dcd6f09 9Software Foundation; either version 3, or (at your option) any later
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10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
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18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
52015d87 20
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21#ifndef GCC_COVERAGE_H
22#define GCC_COVERAGE_H
23
24#include "gcov-io.h"
52015d87 25
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26extern void coverage_init (const char *);
27extern void coverage_finish (void);
6d70e6be 28
6d70e6be 29/* Start outputting coverage information for the current
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30 function. */
31extern int coverage_begin_function (unsigned, unsigned);
32
33/* Complete the coverage information for the current function. */
34extern void coverage_end_function (unsigned, unsigned);
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35
36/* Compute the control flow checksum for the current function. */
37extern unsigned coverage_compute_cfg_checksum (void);
38
39/* Compute the line number checksum for the current function. */
40extern unsigned coverage_compute_lineno_checksum (void);
cb9e4555 41
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42/* Allocate some counters. Repeatable per function. */
43extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
44/* Use a counter from the most recent allocation. */
6de9cd9a 45extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
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46/* Use a counter address from the most recent allocation. */
47extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
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48
49/* Get all the counters for the current function. */
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50extern gcov_type *get_coverage_counts (unsigned /*counter*/,
51 unsigned /*expected*/,
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52 unsigned /*cfg_checksum*/,
53 unsigned /*lineno_checksum*/,
cdb23767 54 const struct gcov_ctr_summary **);
ca29da43 55
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56extern tree get_gcov_type (void);
57
52015d87 58#endif