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Does it *have* to be the C library?

Does it *have* to be the C library?

Posted Dec 1, 2010 14:14 UTC (Wed) by marcH (subscriber, #57642)
In reply to: Does it *have* to be the C library? by gmaxwell
Parent article: The kernel and the C library as a single project

Isn't LD_PRELOAD=liblinux.so able to sneak new code into glibc and solve this problem?

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Does it *have* to be the C library?

Posted Dec 2, 2010 14:42 UTC (Thu) by nix (subscriber, #2304) [Link]

No. Internal glibc->glibc calls do not go via the PLT and are not subject to interposition, thus LD_PRELOAD has no effect on them. (This is a big speed boost.)


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