src/arch/xtensa/up/xtos/checkvecsize

# Script to check that vector code is 16 bytes or less
# $Id: //depot/rel/Eaglenest/Xtensa/OS/xtos/checkvecsize#1 $

# Copyright (c) 2001 Tensilica Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package Xtensa::checkvecsize;

# Perl library modules
use strict;
use Getopt::Long;
use FileHandle;

# Program

use vars qw($objdump $maxsize);

{
  $::myname = 'checkvecsize';

  # command line
  $maxsize = 16;
  die("Usage is: $::myname -objdump prog [-maxsize n] files...\n")
    unless &GetOptions("objdump=s" => \$objdump,
		       "maxsize=i" => \$maxsize)
      && @ARGV > 0 && defined($objdump);
  my $file;
  foreach $file (@ARGV) {
    checkvecsize ($file);
  }
}

sub checkvecsize {
  my ($file) = @_;
  my $od = new FileHandle "${objdump} -h $file|";
  die("$::myname: $!, opening pipe to $objdump -h $file.\n")
    unless $od;
  while (<$od>) {
    if (/^\s*\d+\s+(\S+)\s+([0-9A-Fa-f]{8})\s/) {
      my $size = hex($2);
      die("$::myname: $file $1 section size is $size bytes.\n")
	if $size > $maxsize;
    }
  }
  $od->close();
}


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