1 /* hist.h 2 3 Copyright (C) 2000-2016 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 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 */ 59