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Date:      Mon, 3 Jul 2006 00:16:55 -0400 (EDT)
From:      Daniel Eischen <deischen@freebsd.org>
To:        Norikatsu Shigemura <nork@freebsd.org>
Cc:        Alexander@Leidinger.net, kabaev@gmail.com, current@freebsd.org
Subject:   Re: Linux-flashplugin7 & rtld - RFC
Message-ID:  <Pine.GSO.4.64.0607030015470.4162@sea.ntplx.net>
In-Reply-To: <20060702225411.4bd0e2dd.nork@FreeBSD.org>
References:  <44986777.6070601@FreeBSD.org> <20060621061437.GA53019@fit.vutbr.cz> <ygeodwn2fea.wl%ume@mahoroba.org> <2265.211.18.249.19.1150871779.squirrel@mail.ninth-nine.com> <20060621121114.h6udocel5wsgg8sg@netchild.homeip.net> <2692.219.127.74.121.1150885501.squirrel@mail.ninth-nine.com> <20060621155053.d6lseiz8z4ow8wo8@netchild.homeip.net> <Pine.GSO.4.64.0606211204300.23942@sea.ntplx.net> <20060623013106.d4397e26.nork@FreeBSD.org> <Pine.GSO.4.64.0606221244240.427@sea.ntplx.net> <20060622230416.3907a848@kan.dnsalias.net> <20060625191405.d0e78240.nork@FreeBSD.org> <Pine.GSO.4.64.0606261426570.23995@sea.ntplx.net> <20060702225411.4bd0e2dd.nork@FreeBSD.org>

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On Sun, 2 Jul 2006, Norikatsu Shigemura wrote:

> On Mon, 26 Jun 2006 15:06:33 -0400 (EDT)
> Daniel Eischen <deischen@freebsd.org> wrote:
>> The check for the object providing the correct version should
>> still be done, but it needs to be checking the correct (libmap'd)
>> object.
>
> 	Eureka!!!
>
> 	I understand why my approch should be integrated to libc/libm/
> 	libpthread, and deischen's approch failuer.  So I can sperate
> 	library from libc/libm/libpthread.
>
> 	deischen's LPW:
> 	$ readelf -Ws flash7.so | fgrep open
> 	    71: 00001760    54 FUNC    LOCAL  DEFAULT   11 popen
> 	   110: 000025e0    54 FUNC    LOCAL  DEFAULT   11 iconv_open
> 	   185: 00001520    54 FUNC    LOCAL  DEFAULT   11 fopen
> 	   198: 000016e0    54 FUNC    LOCAL  DEFAULT   11 opendir
> 	These are bad.
>
> 	$ readelf -Ws flash7.so | fgrep pthread_
> 		:
> 	    27: 00000000   117 FUNC    GLOBAL DEFAULT  UND _pthread_mutex_init@LIBTHREAD_1_0 (13)
> 		:
> 	    70: 00000f80    94 FUNC    LOCAL  DEFAULT   11 pthread_mutex_init@GLIBC_2.0
> 		:
> 	These are good.
>
> 	So it should be fixed like following:
> flash7.so:      flash7.map ${FLASH7OBJ}
> 	${CC} -shared -o $@ ${CFLAGS} ${FLASH7OBJ} \
> 		-Wl,--version-script=flash7.map -lc -lm -lpthread -lstdc++
> 		                               ~~~~

Yes, I tried that also, but I couldn't get it to work.

-- 
DE



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