79 lines
2.5 KiB
Perl
Executable File
79 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl
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# Copyright 2006 Red Hat, Inc.
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#
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# This file is part of Cygwin.
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#
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# This software is a copyrighted work licensed under the terms of the
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# Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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# details.
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#
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use integer;
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use strict;
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sub xit($@);
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my $strip = $ARGV[0] eq '-s';
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shift if $strip;
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my $objdump = shift;
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my @objcopy = ((shift));
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my $dll = shift;
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my $dbg = shift;
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xit 0, @objcopy, '-j', '.stab', '-j', '.stabstr', '-j', '.debug_aranges',
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'-j', '.debug_pubnames', '-j', '.debug_info', '-j', '.debug_abbrev',
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'-j', '.debug_line', '-j', '.debug_frame', '-j', '.debug_str', '-j',
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'.debug_loc', '-j', '.debug_macinfo', '-j', '.debug_ranges', $dll, $dbg;
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xit 0, @objcopy, '-g', '--add-gnu-debuglink=' . $dbg, $dll;
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open(OBJDUMP, '-|', "$objdump --headers $dll");
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my %section;
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while (<OBJDUMP>) {
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my ($idx, $name, $size, $vma, $lma, $fileoff, $algn) = /^\s*(\d+)\s+(\.\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s*$/;
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if ($name eq '.gnu_debuglink') {
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push(@objcopy, '--set-section-flag', '.gnu_debuglink=contents,readonly,debug,noload');
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$idx = $section{'.gnu_debuglink'}{-idx} if defined($section{'.gnu_debuglink'}{-idx});
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} elsif ($name eq '.gnu_debuglink_overlay') {
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push (@objcopy, '-R', '.gnu_debuglink_overlay');
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$section{'.gnu_debuglink'}{-idx} = $idx;
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next;
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}
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defined($idx) and
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$section{$name} = {-idx=>int($idx), -size=>hex($size), -vma=>hex($vma), -lma=>hex($lma), -fileoff=>hex($fileoff),
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-algn=>0x00001000};
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}
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close OBJDUMP;
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my $vma;
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for my $k (sort {$section{$a}{-idx} <=> $section{$b}{-idx}} keys %section) {
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if ($strip && $k =~ /\.(?:stab|debug)/o) {
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push(@objcopy, '-R', $k);
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next;
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}
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if (!defined($vma)) {
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$vma = $section{$k}{-vma};
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}
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if ($vma != $section{$k}{-vma}) {
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my $newvma = align($vma, $section{$k}{-algn});
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if ($newvma != $vma) {
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printf STDERR "$0: ERROR $k VMA 0x%08x != 0x%08x\n", $vma, $newvma;
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exit 1;
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}
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push(@objcopy, '--change-section-address', sprintf "$k=0x%08x", $vma);
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}
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$vma = align($vma + $section{$k}{-size}, $section{$k}{-algn});
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}
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warn "$0: ERROR final VMA (" . sprintf("0x%08x", $vma) . ") not on 64K boundary\n" if $vma != align($vma, 64 * 1024);
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push(@objcopy, $dll, @ARGV);
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xit 1, @objcopy;
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sub align {
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my $n = $_[0];
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my $align = $_[1] - 1;
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return ($n + $align) & ~$align;
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}
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sub xit($@) {
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my $execit = shift;
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print "+ @_\n";
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if ($execit) {
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exec @_ or die "$0: couldn't exec $_[0] - $!\n";
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} else {
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system @_ and die "$0: couldn't exec $_[0] - $!\n";
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}
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}
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