jtool -e

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jtool -e

Postby mudley » Fri Feb 24, 2017 12:03 pm


Was just fooling around with dumping dylibs from the kernelcache.
Isn't the dsc_extractor from opensource.apple.com a better option?

jtool'ed dump of libMobileGestalt.dylib = 71M
dsc_extractor'ed dump of libMobileGestalt.dylib = 368K

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Re: jtool -e

Postby morpheus » Fri Feb 24, 2017 6:09 pm

Yeah, I implemented a quick and dirty way to extract from shared cache, so I don't detach from common __LINKEDIT.

But before getting to fix that, I implemented the ":" operator so you can operate on dylibs directly in the cache, without extracting. This also does a better job than dsc_extractor, because it leaves external references intact.
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