| 1 | /* hist.h |
| 2 | |
| 3 | Copyright 2000, 2001, 2002, 2004, 2005, 2007, 2009 |
| 4 | Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of GNU Binutils. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | MA 02110-1301, USA. */ |
| 22 | \f |
| 23 | #ifndef hist_h |
| 24 | #define hist_h |
| 25 | |
| 26 | typedef struct histogram |
| 27 | { |
| 28 | bfd_vma lowpc; |
| 29 | bfd_vma highpc; |
| 30 | unsigned int num_bins; |
| 31 | int *sample; /* Histogram samples (shorts in the file!). */ |
| 32 | } histogram; |
| 33 | |
| 34 | extern histogram * histograms; |
| 35 | extern unsigned num_histograms; |
| 36 | |
| 37 | /* Scale factor converting samples to pc values: |
| 38 | each sample covers HIST_SCALE bytes. */ |
| 39 | extern double hist_scale; |
| 40 | |
| 41 | extern void hist_read_rec (FILE *, const char *); |
| 42 | extern void hist_write_hist (FILE *, const char *); |
| 43 | extern void hist_assign_samples (void); |
| 44 | extern void hist_print (void); |
| 45 | |
| 46 | /* Checks if ADDRESS is within the range of addresses for which |
| 47 | we have histogram data. Returns 1 if so and 0 otherwise. */ |
| 48 | extern int hist_check_address (unsigned address); |
| 49 | |
| 50 | /* Given a range of addresses for a symbol, find a histogram record |
| 51 | that intersects with this range, and clips the range to that |
| 52 | histogram record, modifying *P_LOWPC and *P_HIGHPC. |
| 53 | |
| 54 | If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to |
| 55 | one unspecified value. If more that one intersection is found, |
| 56 | an error is emitted. */ |
| 57 | extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc); |
| 58 | |
| 59 | #endif /* hist_h */ |