Date: Fri, 16 Mar 2012 23:51:30 -0400 From: Super Bisquit <superbisquit@gmail.com> To: Alexander Kabaev <kabaev@gmail.com> Cc: freebsd-emulation@freebsd.org, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: ELF header adjusting Message-ID: <CA%2BWntOvdxtV9wB2RpK%2BF13eADEY69SUSOU8OznPyPP4FXxwYKw@mail.gmail.com> In-Reply-To: <20120316155901.77ca48ee@kan.dyndns.org> References: <CA%2BWntOtp02vCjdYQSU0jkVH4TPWp_P9H_2YQdYrHR7UzFbd2VQ@mail.gmail.com> <20120316155901.77ca48ee@kan.dyndns.org>
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On Fri, Mar 16, 2012 at 3:59 PM, Alexander Kabaev <kabaev@gmail.com> wrote: > On Fri, 16 Mar 2012 15:45:47 -0400 > Super Bisquit <superbisquit@gmail.com> wrote: > > > "Okay, what in the hell is he trying to do now?" > > The answer to your question is: > > I've looked at the header file for the bin/java and bin/java_vm in > > the ibm powerpc java binaries. There is a reference to /lib/ld.so.1 > > in a Linux installation which is very similar > > to /usr/libexec/ld-elf.so.1 in a FreeBSD installation. > > > > chipchop# pwd > > /tmp/install.dir.53010/Linux/resource/jre/bin > > chipchop# ls > > ControlPanel ikeyman java_vm jcontrol keytool > > ktab rmid unpack200 > > classic j9vm javaw jdmpview kinit > > pack200 rmiregistry > > ikeycmd java javaws jextract klist > > policytool tnameserv > > chipchop# elfedit --input-osabi=FreeBSD --output-osabi=FreeBSD java > > elfedit: Error: java: Unmatched EI_OSABI: 0 is not 9 > > chipchop# elfedit --input-osabi=FreeBSD --output-osabi=FreeBSD java_vm > > elfedit: Error: java_vm: Unmatched EI_OSABI: 0 is not 9 > > chipchop# elfedit --output-osabi=FreeBSD java_vm > > chipchop# elfedit --output-osabi=FreeBSD java > > chipchop# > > > > If in doubt about my finding for similarities between /lib/ld.so.1 and > > /usr/lbexec/ld-elf.so.1 then open the former with nano orvi and the > > latter with vi to see the headers. > > Would it be a much of a shock to discover that two export largely > intersecting list of functions, both being ELF loaders? Would rewriting the header to use the FreeBSD equivalent to the Linux ones possibly work? Ignore - for the moment- the reference to ld-elf.so.1. /usr/lib/ld.so.1 FreeBSD /lib/ld.so.1 Linux. (I did a re-search)Both serve the same purpose. The binaries are obviously checking for the Linux path. > > Sadly, you > provide no answer to the question you yourself ask on the very first > line of own messages, so the point of your message is somewhat unclear > to me still. > > -- > Alexander Kabaev > Has anyone reported anything on changing the called for libraries and such in the file to use the FreeBSD path instead?help
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