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1 | /* hist.h | |
2 | ||
3 | Copyright (C) 2000-2015 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
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. | |
11 | ||
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. | |
16 | ||
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. */ | |
21 | \f | |
22 | #ifndef hist_h | |
23 | #define hist_h | |
24 | ||
25 | typedef struct histogram | |
26 | { | |
27 | bfd_vma lowpc; | |
28 | bfd_vma highpc; | |
29 | unsigned int num_bins; | |
30 | int *sample; /* Histogram samples (shorts in the file!). */ | |
31 | } histogram; | |
32 | ||
33 | extern histogram * histograms; | |
34 | extern unsigned num_histograms; | |
35 | ||
36 | /* Scale factor converting samples to pc values: | |
37 | each sample covers HIST_SCALE bytes. */ | |
38 | extern double hist_scale; | |
39 | ||
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); | |
44 | ||
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); | |
48 | ||
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. | |
52 | ||
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); | |
57 | ||
58 | #endif /* hist_h */ |