Date: Mon, 12 Dec 2011 18:38:48 +0100 From: Joerg Sonnenberger <joerg@britannica.bec.de> To: svn-src-all@freebsd.org Subject: Re: svn commit: r228435 - in head/libexec/rtld-elf: . amd64 arm i386 ia64 mips powerpc powerpc64 sparc64 Message-ID: <20111212173847.GA1035@britannica.bec.de> In-Reply-To: <20111212172132.GN50300@deviant.kiev.zoral.com.ua> References: <201112121103.pBCB3FuT097580@svn.freebsd.org> <20111212171709.GA22002@britannica.bec.de> <20111212172132.GN50300@deviant.kiev.zoral.com.ua>
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On Mon, Dec 12, 2011 at 07:21:32PM +0200, Kostik Belousov wrote: > On Mon, Dec 12, 2011 at 06:17:09PM +0100, Joerg Sonnenberger wrote: > > On Mon, Dec 12, 2011 at 11:03:15AM +0000, Konstantin Belousov wrote: > > > To allow use of external references from the dispatch function, resolution > > > of the R_MACHINE_IRESOLVE relocations in PLT is postponed until GOT entries > > > for PLT are prepared, and normal resolution of the GOT entries is finished. > > > Similar to how it is done by GNU, IRELATIVE relocations are resolved in > > > advance, instead of normal lazy handling for PLT. > > > > Are you sure that you didn't introduce major locking issues with this? > What do you mean, exactly ? > > The dispatcher function is called under the bind lock, yes. What happens if the dispatcher function is trying to re-enter the dynamic linker? Joerg
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