| 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) 2001-2020 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 | } |