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[SCRIPT] Windows system dll function addresses
- From: Joe Buehler <jbuehler at hekimian dot com>
- To: cygwin at cygwin dot com
- Date: Fri, 13 Dec 2002 09:16:58 -0500
- Subject: [SCRIPT] Windows system dll function addresses
Sometimes it is useful to be able to tell what Windows
DLL functions are at the top of a stack trace in gdb
(not everyone can remember functions by address instead
of name).
Here is a perl script to dump a sorted list of symbol
addresses from the dlls on a Windows system. You need
dumpbin to run this. Only tested on Windows NT --
dumpbin may have different output on other versions, in
which case this may break.
Oh, one thing -- I have a mount point named "/sys" that is the
directory where the dlls reside. I think I made that myself.
You will have to substitute whatever the appropriate path is
on your machine.
Joe Buehler
#!/usr/bin/perl
#
# dump symbols and absolute address from Windows system dlls
#
# You need dumpbin for this to work.
# You also need to change /sys to whatever is appropriate.
#
opendir(SYSDIR, "/sys");
while ($dll = readdir(SYSDIR)) {
next unless $dll =~ /[.]dll$/io;
next unless -f "/sys/$dll";
open(DUMPBIN, qq{ cd /sys && dumpbin /headers /exports $dll | });
while (<DUMPBIN>) {
s/\r*\n//o;
next if /^\s*$/o;
if (/^\s*(\S+)\s+image\s+base\s*$/io) {
$image_base_address = hex $1;
} elsif (/^\s+ordinal\s+hint\s+RVA\s+name\s*$/io .. /^\S/o) {
next if /^\s+ordinal\s+hint\s+RVA\s+name\s*$/io;
next if /^\S/io;
next unless ($ordinal, $hint, $RVA, $name) = /^\s+(\S+)\s+(\S+)\s+(\S+)\s+(.+)$/o;
$RVA = hex $RVA;
push(@out, sprintf("0x%08x %16s %s\n", $image_base_address + $RVA, $dll, $name));
}
}
close(DUMPBIN);
}
closedir(SYSDIR);
print sort @out;
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