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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