Re: otool addresses
Re: otool addresses
- Subject: Re: otool addresses
- From: Bill Bumgarner <email@hidden>
- Date: Sun, 31 Aug 2008 19:26:41 -0700
On Aug 31, 2008, at 7:05 PM, Martin Redington wrote:
When I'm looking at the otool output, do the offsets represent
absolute offsets within the binary, or to some kind of internal point
of reference (e.g. the start of the objective-C segment)?
Assuming that they are not absolute offsets (in the otool output), how
can I convert from the otool output to actual offsets in the binary,
or vice versa.
The offsets you are seeing in the binary are absolute offsets from the
beginning of the binary. A binary is actually a mach-o file and,
thus, otool is showing you addresses that are offsets from the
beginning of the segment being disabled.
First, I'd recommend you get a hold of otx -- http://otx.osxninja.com/
-- as it is a wrapper for otool that produces considerably more
detailed output.
Secondly, I would recommend that you take the output of otool or the
output of otx against the two binaries and then diff the two. That
will pinpoint the changes much more precisely within your app.
b.bum
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