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) 2001-2014 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 27 print 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 39 while (<>) { 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
