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