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update_dyld_shared_cache and @executable_path

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update_dyld_shared_cache and @executable_path

Subject: update_dyld_shared_cache and @executable_path
From: Joel Reymont <email@hidden>
Date: Thu, 27 Aug 2009 00:24:14 +0100

I added the path to my firefox binary to /var/db/dyld/ shared_region_roots/Applications.paths which now looks like this:

/System/Library/CoreServices/Finder.app/Contents/MacOS/Finder /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow /System/Library/Frameworks/ApplicationServices.framework/Frameworks/ CoreGraphics.framework/Resources/WindowServer /Applications/Safari.app/Contents/MacOS/Safari /Users/joelr/work/mozilla/startup/Minefield.app/Contents/MacOS/firefox- bin /Applications/Mail.app/Contents/MacOS/Mail /Applications/QuickTime Player.app/Contents/MacOS/QuickTime Player /Applications/iChat.app/Contents/MacOS/iChat /bin/sh /bin/bash

I then ran update_dyld_shared_cache and went through another round of io snooping with dtrace. I noticed that Firefox libraries are still not loaded from the dyld shared cache.

I'm thinking that @executable_path may have something to do with this, e.g. (otool -L firefox-bin)

/Users/joelr/work/mozilla/startup/Minefield.app/Contents/MacOS/firefox- bin: /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 12.0.0) @executable_path/XUL (compatibility version 1.0.0, current version 1.0.0) @executable_path/libmozjs.dylib (compatibility version 1.0.0, current version 1.0.0) ...

Is it kosher to edit /var/db/dyld/shared_region_roots/ Applications.paths and does update_dyld_shared_cache have a rule against @executable_path?

	Thanks, Joel

---
fastest mac firefox!
http://wagerlabs.com


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