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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gprof/] [bbconv.pl] - Blame information for rev 53

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1 25 khays
#! /usr/bin/perl
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# This script converts a "bb.out" file into a format
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# suitable for processing by gprof
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#
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# Copyright 2001, 2007 Free Software Foundation, Inc.
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#
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#   This file is part of GNU Binutils.
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#
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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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#
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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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#
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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, MA
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#   02110-1301, USA.
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# Write a new-style gmon header
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print pack("A4Ix12", "gmon", 1);
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# The input file format contains header lines and data lines.
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# Header lines contain a count of how many data lines follow before
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# the next header line.  $blockcount is set to the count that
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# appears in each header line, then decremented at each data line.
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# $blockcount should always be zero at the start of a header line,
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# and should never be zero at the start of a data line.
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$blockcount=0;
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while (<>) {
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    if (/^File .*, ([0-9]+) basic blocks/) {
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        print STDERR "Miscount: line $.\n" if ($blockcount != 0);
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        $blockcount = $1;
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        print pack("cI", 2, $blockcount);
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    }
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    if (/Block.*executed([ 0-9]+) time.* address= 0x([0-9a-fA-F]*)/) {
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        print STDERR "Miscount: line $.\n" if ($blockcount == 0);
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        $blockcount-- if ($blockcount > 0);
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        $count = $1;
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        $addr = hex $2;
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        print pack("II",$addr,$count);
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    }
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}

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