+/* hist.h
+
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Binutils.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+\f
#ifndef hist_h
#define hist_h
-#include "bfd.h"
-
-extern bfd_vma s_lowpc; /* lowpc from the profile file */
-extern bfd_vma s_highpc; /* highpc from the profile file */
-extern bfd_vma lowpc, highpc; /* range profiled, in UNIT's */
-extern int hist_num_bins; /* number of histogram bins */
-extern int *hist_sample; /* code histogram */
-/*
- * Scale factor converting samples to pc values: each sample covers
- * HIST_SCALE bytes:
- */
+typedef struct histogram
+{
+ bfd_vma lowpc;
+ bfd_vma highpc;
+ unsigned int num_bins;
+ int *sample; /* Histogram samples (shorts in the file!). */
+} histogram;
+
+extern histogram * histograms;
+extern unsigned num_histograms;
+
+/* Scale factor converting samples to pc values:
+ each sample covers HIST_SCALE bytes. */
extern double hist_scale;
+extern void hist_read_rec (FILE *, const char *);
+extern void hist_write_hist (FILE *, const char *);
+extern void hist_assign_samples (void);
+extern void hist_print (void);
+
+/* Checks if ADDRESS is within the range of addresses for which
+ we have histogram data. Returns 1 if so and 0 otherwise. */
+extern int hist_check_address (unsigned address);
+
+/* Given a range of addresses for a symbol, find a histogram record
+ that intersects with this range, and clips the range to that
+ histogram record, modifying *P_LOWPC and *P_HIGHPC.
-extern void hist_read_rec PARAMS ((FILE * ifp, const char *filename));
-extern void hist_write_hist PARAMS ((FILE * ofp, const char *filename));
-extern void hist_assign_samples PARAMS ((void));
-extern void hist_print PARAMS ((void));
+ If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to
+ one unspecified value. If more that one intersection is found,
+ an error is emitted. */
+extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc);
#endif /* hist_h */