1#! /usr/bin/perl
2
3# This script converts a "bb.out" file into a format
4# suitable for processing by gprof
5#
6# Copyright (C) 2001-2017 Free Software Foundation, Inc.
7#
8#   This file is part of GNU Binutils.
9#
10#   This program is free software; you can redistribute it and/or modify
11#   it under the terms of the GNU General Public License as published by
12#   the Free Software Foundation; either version 3 of the License, or
13#   (at your option) any later version.
14#
15#   This program is distributed in the hope that it will be useful,
16#   but WITHOUT ANY WARRANTY; without even the implied warranty of
17#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18#   GNU General Public License for more details.
19#
20#   You should have received a copy of the GNU General Public License
21#   along with this program; if not, write to the Free Software
22#   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
23#   02110-1301, USA.
24
25# Write a new-style gmon header
26
27print pack("A4Ix12", "gmon", 1);
28
29
30# The input file format contains header lines and data lines.
31# Header lines contain a count of how many data lines follow before
32# the next header line.  $blockcount is set to the count that
33# appears in each header line, then decremented at each data line.
34# $blockcount should always be zero at the start of a header line,
35# and should never be zero at the start of a data line.
36
37$blockcount=0;
38
39while (<>) {
40    if (/^File .*, ([0-9]+) basic blocks/) {
41	print STDERR "Miscount: line $.\n" if ($blockcount != 0);
42	$blockcount = $1;
43
44	print pack("cI", 2, $blockcount);
45    }
46    if (/Block.*executed([ 0-9]+) time.* address= 0x([0-9a-fA-F]*)/) {
47	print STDERR "Miscount: line $.\n" if ($blockcount == 0);
48	$blockcount-- if ($blockcount > 0);
49
50	$count = $1;
51	$addr = hex $2;
52
53	print pack("II",$addr,$count);
54    }
55}
56