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/* coverage.h - Defines data exported from coverage.c
Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_COVERAGE_H
#define GCC_COVERAGE_H
#include "gcov-io.h"
extern void coverage_init (const char *, const char*);
extern void coverage_finish (void);
/* Complete the coverage information for the current function. Once
per function. */
extern void coverage_end_function (unsigned, unsigned);
/* Start outputting coverage information for the current
function. Repeatable per function. */
extern int coverage_begin_output (unsigned, unsigned);
/* Compute the control flow checksum for the current function. */
extern unsigned coverage_compute_cfg_checksum (void);
/* Compute the line number checksum for the current function. */
extern unsigned coverage_compute_lineno_checksum (void);
/* Allocate some counters. Repeatable per function. */
extern int coverage_counter_alloc (unsigned /*counter*/, unsigned/*num*/);
/* Use a counter from the most recent allocation. */
extern tree tree_coverage_counter_ref (unsigned /*counter*/, unsigned/*num*/);
/* Use a counter address from the most recent allocation. */
extern tree tree_coverage_counter_addr (unsigned /*counter*/, unsigned/*num*/);
/* Get all the counters for the current function. */
extern gcov_type *get_coverage_counts (unsigned /*counter*/,
unsigned /*expected*/,
unsigned /*checksum*/,
const struct gcov_ctr_summary **);
/* Get all the counters for the current function without warning. */
extern gcov_type *get_coverage_counts_no_warn (struct function *,
unsigned /*counter*/, unsigned *);
extern struct cgraph_node * find_func_by_global_id (unsigned HOST_WIDE_INT gid);
extern struct cgraph_node * find_func_by_name (const char *name);
/* All the coverage counters are supposed to be allocated by the time
coverage_end_function is called. However, direct-call counters are
allocated after coverage_end_function has been called. This function
fixes up the various internal structures to reflect these counter
allocations. This function is called after coverage_end_function and
before coverage_finish. */
extern void coverage_dc_end_function (void);
/* True if a function entry corresponding to the given function identifier
is present in the coverage internal data structures. */
extern bool coverage_function_present (unsigned fn_ident);
extern tree get_gcov_type (void);
extern tree get_gcov_unsigned_t (void);
extern tree get_gcov_float_t (void);
/* Mark this module as containing asm statements. */
extern void coverage_has_asm_stmt (void);
/* Get the da file name, given base file name. */
extern char * get_da_file_name (const char *base_file_name);
/* Check if the specified options are valid for pmu profilig. */
extern int check_pmu_profile_options (const char *options);
/* Defined in tree-profile.c. */
extern void tree_init_instrumentation_sampling (void);
#endif
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