3 Copyright (C) 2000-2019 Free Software Foundation, Inc.
5 This file is part of GNU Binutils.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
25 typedef struct histogram
29 unsigned int num_bins;
30 int *sample; /* Histogram samples (shorts in the file!). */
33 extern histogram * histograms;
34 extern unsigned num_histograms;
36 /* Scale factor converting samples to pc values:
37 each sample covers HIST_SCALE bytes. */
38 extern double hist_scale;
40 extern void hist_read_rec (FILE *, const char *);
41 extern void hist_write_hist (FILE *, const char *);
42 extern void hist_assign_samples (void);
43 extern void hist_print (void);
45 /* Checks if ADDRESS is within the range of addresses for which
46 we have histogram data. Returns 1 if so and 0 otherwise. */
47 extern int hist_check_address (unsigned address);
49 /* Given a range of addresses for a symbol, find a histogram record
50 that intersects with this range, and clips the range to that
51 histogram record, modifying *P_LOWPC and *P_HIGHPC.
53 If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to
54 one unspecified value. If more that one intersection is found,
55 an error is emitted. */
56 extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc);