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/* hist.h |
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Copyright (C) 2000-2014 Free Software Foundation, Inc. |
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This file is part of GNU Binutils. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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MA 02110-1301, USA. */ |
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#ifndef hist_h |
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#define hist_h |
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typedef struct histogram |
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{ |
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bfd_vma lowpc; |
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bfd_vma highpc; |
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unsigned int num_bins; |
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int *sample; /* Histogram samples (shorts in the file!). */ |
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} histogram; |
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extern histogram * histograms; |
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extern unsigned num_histograms; |
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/* Scale factor converting samples to pc values: |
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each sample covers HIST_SCALE bytes. */ |
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extern double hist_scale; |
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extern void hist_read_rec (FILE *, const char *); |
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extern void hist_write_hist (FILE *, const char *); |
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extern void hist_assign_samples (void); |
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extern void hist_print (void); |
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/* Checks if ADDRESS is within the range of addresses for which |
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we have histogram data. Returns 1 if so and 0 otherwise. */ |
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extern int hist_check_address (unsigned address); |
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/* Given a range of addresses for a symbol, find a histogram record |
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that intersects with this range, and clips the range to that |
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histogram record, modifying *P_LOWPC and *P_HIGHPC. |
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If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to |
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one unspecified value. If more that one intersection is found, |
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an error is emitted. */ |
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extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc); |
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#endif /* hist_h */
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