Re: Re: Hi, all,

["Kieran Bingham" <kieranbingham@gmail.com>]

Hi Fabio,

The SH2/SH2a does not have any support for shared librarys yet. I
think its something renesas are thinking about but they haven't got to
yet.

This was a problem we hit while working on the board too.

> 3) I looked for ARCH_HAS_NO_LDSO and I found in extra/Configs/Config.sh
> config CONFIG_SH2
>         select ARCH_HAS_NO_MMU
>         select ARCH_HAS_NO_LDSO
>         bool "SH2"
>
> so I got the answer to my question.
>
> Well.
> Setting ARCH_HAS_NO_LDSO is needed by my sh27203 target or is a choice of MCP
>  data for building the minimal sysstem?


No, this was not a choice of MPC Data. We didn't change anything in
that uClibc source tree.

Carmello: What is this `dl_iterate_phdr' - is it something that is
part of dynamic linking / shared libraries?
--
Kieran



>
> Thanks a lot.
>
> Ciao
>
> Alle 08:58, martedì 22 gennaio 2008, Carmelo AMOROSO ha scritto:
> > Fabio Giovagnini wrote:
> > > You understood properly about what I have been trying to do. Iwas trying
> > > to link a simple c++ application staticxally using uclibc.
> > >
> > > This is the output you are asking for.
> > > If it is not enogh tell me what to add more.
> > >
> > > fgiovagnini@aurio02:~/sh7203-uClinux-1.4/build> make c++1stApp
> > > make -f Makefile.c++1stApp
> > > make[1]: Entering directory `/home/fgiovagnini/sh7203-uClinux-1.4/build'
> > > make -e -C /home/fgiovagnini/sh7203-uClinux-1.4/build/../c++1stApp
> > > make[2]: Entering directory
> > > `/home/fgiovagnini/sh7203-uClinux-1.4/c++1stApp' sh-linux-g++ -m3e -mb -v
> > > -DGNU_SOURCE -Wall   -c -o main.o main.cpp Reading specs from
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6/
> > >spe cs Configured with:
> > >  /home/fgiovagnini/sh7203-uClinux-1.4/build/../gcc-3.4.6/configure
> > >  --prefix=/home/fgiovagnini/sh7203-uClinux-1.4/build/target
> > > --target=sh-linux
> > > --with-sysroot=/home/fgiovagnini/sh7203-uClinux-1.4/build/target
> > > --enable-languages=c,c++ --disable-shared Thread model: posix
> > > gcc version 3.4.6
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/libexec/gcc/sh-linux/3.
> > >4.6 /cc1plus -quiet -v -D_GNU_SOURCE -DGNU_SOURCE main.cpp -quiet
> > > -dumpbase main.cpp -m3e -mb -auxbase-strip main.o -Wall -version -o
> > > /tmp/ccik376j.s ignoring nonexistent directory
> > >  "/home/fgiovagnini/sh7203-uClinux-1.4/build/target/usr/local/include"
> > >  ignoring nonexistent directory
> > >
> > > "/home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6
> > >/.. /../../../sh-linux/include" #include "..." search starts here:
> > > #include <...> search starts here:
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6/
> > >../ ../../../include/c++/3.4.6
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6/
> > >../ ../../../include/c++/3.4.6/sh-linux
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6/
> > >../ ../../../include/c++/3.4.6/backward
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6/
> > >inc lude /home/fgiovagnini/sh7203-uClinux-1.4/build/target/usr/include End
> > > of search list.
> > > GNU C++ version 3.4.6 (sh-linux)
> > >         compiled by GNU C version 4.1.0 (SUSE Linux).
> > > GGC heuristics: --param ggc-min-expand™ --param ggc-min-heapsize\x129238
> > >
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/target/lib/gcc/sh-linux/3.4.6/
> > >../ ../../../sh-linux/bin/as -big -o main.o /tmp/ccik376j.s sh-linux-g++
> > > -m3e -mb -Wl,-EB -Wl,-elf2flt=-s65536  -o c++1stApp main.o
> > > c++1stApp.elf2flt: In function `_Unwind_Find_FDE':
> > > /home/fgiovagnini/sh7203-uClinux-1.4/build/../gcc-3.4.6/gcc/unwind-dw2-fd
> > >e-gl ibc.c:291: undefined reference to `dl_iterate_phdr' collect2: ld
> > > returned 1 exit status
> > > make[2]: *** [c++1stApp] Error 1
> > > make[2]: Leaving directory
> > > `/home/fgiovagnini/sh7203-uClinux-1.4/c++1stApp' make[1]: *** [build]
> > > Error 2
> > > make[1]: Leaving directory `/home/fgiovagnini/sh7203-uClinux-1.4/build'
> > > make: *** [c++1stApp] Error 2
> > >
> > > Thanks a lot and best regards
> >
> > As a work-around, you may try to arrange your makefile to link statically
> > against libdl.a where actually _dl_iterate_phdr is defined.
> > The final solution consists of moving the _dl_iterate_phdr from libdl.a
> > to libc.a,
> > but it needs some other changes. I've already have a working solution
> > for uClibc-nptl
> > for sh4, but this is still missing from the trunk.
> > I'm working to merge it to trunk asas. Then you need to use the latest
> > uClibc.
> >
> > See if the work-around works for you.
> >
> > Carmelo
> > -
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>
> --
> Fabio Giovagnini
>
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