gecko-dev/tools/codesighs/nm_wrap_osx.pl

93 строки
2.9 KiB
Perl
Executable File

#!/usr/bin/perl -w
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is autosummary.linx.bash code, released
# Oct 10, 2002.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 2002 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
# Simon Fraser <sfraser@netscape.com>
#
# Alternatively, the contents of this file may be used under the
# terms of the GNU Public License (the "GPL"), in which case the
# provisions of the GPL are applicable instead of those above.
# If you wish to allow use of your version of this file only
# under the terms of the GPL and not to allow others to use your
# version of this file under the MPL, indicate your decision by
# deleting the provisions above and replace them with the notice
# and other provisions required by the GPL. If you do not delete
# the provisions above, a recipient may use your version of this
# file under either the MPL or the GPL.
#
use strict;
#
# A wrapper for nm that produces output listing symbol size.
#
my($prev_addr) = 0;
my($prev_module) = "";
my($prev_kind) = "";
my($prev_symbol) = "";
open(NM_OUTPUT, "nm -fnol $ARGV[0] | c++filt |") or die "nm failed to run on $ARGV[0]\n";
while (<NM_OUTPUT>)
{
my($line) = $_;
chomp($line);
if ($line =~ /^([^:]+):([0-9a-f]{8}) (\w) (.+)$/)
{
my($module) = $1;
my($addr) = $2;
my($kind) = $3;
my($symbol) = $4;
# we expect the input to have been piped through c++filt to
# demangle symbols. For some reason, it doesn't always demangle
# all of them, so push still-mangled symbols back through c++filt again.
if ($symbol =~ /^(_[_Z].+)/)
{
# warn "Trying again to unmangle $1\n";
$symbol = `c++filt '$1'`;
chomp($symbol);
# warn "Unmangling again to $symbol\n";
}
my($prev_size) = hex($addr) - hex($prev_addr);
# print "Outputting line $line\n";
# always print one behind, because only now do we know its size
if ($prev_module ne "") {
printf "%s:%08x %s %s\n", $prev_module, $prev_size, $prev_kind, $prev_symbol;
}
$prev_addr = $addr;
$prev_module = $module;
$prev_kind = $kind;
$prev_symbol = $symbol;
}
else
{
# warn " Discaring line $line\n";
}
}
# we don't know how big the last symbol is, so always show 4.
if ($prev_module ne "") {
printf "%s:%08x %s %s\n", $prev_module, 4, $prev_kind, $prev_symbol;
}