1 /* hist.h 2 3 Copyright (C) 2000-2014 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 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 */ 60
