translatesyms.pl
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#! /usr/bin/env perl
# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
# This script will translate any SYMBOL_VECTOR item that has a translation
# in CXX$DEMANGLER_DB. The latter is generated by and CC/DECC command that
# uses the qualifier /REPOSITORY with the build directory as value. When
# /NAMES=SHORTENED has been used, this file will hold the translations from
# the original symbols to the shortened variants.
#
# CXX$DEMAGLER_DB. is an ISAM file, but with the magic of RMS, it can be
# read as a text file, with each record as one line.
#
# The lines will have the following syntax for any symbol found that's longer
# than 31 characters:
#
# LONG_symbol_34567890123{cksum}$LONG_symbol_34567890123_more_than_31_chars
#
# $ is present at the end of the shortened symbol name, and is preceded by a
# 7 character checksum. The $ makes it easy to separate the shortened name
# from the original one.
use strict;
use warnings;
usage() if scalar @ARGV < 1;
my %translations = ();
open DEMANGLER_DATA, $ARGV[0]
or die "Couldn't open $ARGV[0]: $!\n";
while(<DEMANGLER_DATA>) {
s|\R$||;
(my $translated, my $original) = split /\$/;
$translations{$original} = $translated.'$';
}
close DEMANGLER_DATA;
$| = 1; # Autoflush
while(<STDIN>) {
s@
((?:[A-Za-z0-9_]+)\/)?([A-Za-z0-9_]+)=(PROCEDURE|DATA)
@
if (defined($translations{$2})) {
my $trans = $translations{$2};
my $trans_uc = uc $trans;
if (defined($1) && $trans ne $trans_uc) {
"$trans_uc/$trans=$3"
} else {
"$trans=$3"
}
} else {
$&
}
@gxe;
print $_;
}