Paradoxxa wrote:
>
> Am Dienstag, den 20.05.2008, 17:16 +0200 schrieb Gilles Chanteperdrix:
>
> >
> > I would say there is something wrong with your installation: your
> > toolchain links with some library which are not present on your target
> > system (for instance you have ld-linux.so.2 on your target whereas the
> > binaries generated by your toolchain links to ld-linux.so.3). To know
> > if this is the case, could you try to compile a simple "hello world"
> > program using the same toolchain as the one you use to compile Xenomai
> > user-space libraries ?
> >
> I built the helloworld. The readelf output is:
> --------------------------------------------------
> Dynamic section at offset 0x9f8 contains 27 entries:
> Tag Type Name/Value
> 0x00000001 (NEEDED) Shared library: [libstdc++.so.6]
> 0x00000001 (NEEDED) Shared library: [libm.so.6]
> 0x00000001 (NEEDED) Shared library: [libgcc_s.so.1]
> 0x00000001 (NEEDED) Shared library: [libc.so.6]
> 0x0000000c (INIT) 0x84bc
> 0x0000000d (FINI) 0x8940
> 0x00000019 (INIT_ARRAY) 0x109e8
> 0x0000001b (INIT_ARRAYSZ) 8 (bytes)
> 0x0000001a (FINI_ARRAY) 0x109f0
> 0x0000001c (FINI_ARRAYSZ) 4 (bytes)
> 0x00000004 (HASH) 0x8168
> 0x00000005 (STRTAB) 0x8294
> 0x00000006 (SYMTAB) 0x81b4
> 0x0000000a (STRSZ) 339 (bytes)
> 0x0000000b (SYMENT) 16 (bytes)
> 0x00000015 (DEBUG) 0x0
> 0x00000003 (PLTGOT) 0x10af8
> 0x00000002 (PLTRELSZ) 72 (bytes)
> 0x00000014 (PLTREL) REL
> 0x00000017 (JMPREL) 0x8474
> 0x00000011 (REL) 0x8464
> 0x00000012 (RELSZ) 16 (bytes)
> 0x00000013 (RELENT) 8 (bytes)
> 0x6ffffffe (VERNEED) 0x8404
> 0x6fffffff (VERNEEDNUM) 3
> 0x6ffffff0 (VERSYM) 0x83e8
> 0x00000000 (NULL) 0x0
> --------------------------------------------------
>
> Additionly i searched for the ld-linux.so*. On the Target is
> ld-slinux-so.2 and on the host is ld-linux.so.3 (Sourcery Toolchain).
> The rootfs is also distributed from the vendor. I think i should build a
> own one. What do you use for building a rootfs?
> I built also a own Toolchain with crossdev (ld-linux.so.2) and with it i
> seems to work. I can build the kernel and the user-space support an both
> of them run on the target.
I am afraid these questions are completely out of the scope of Xenomai
mailing lists. Personally, I make my rootfs on an NFS shared directory
by copying the libc files from the toolchain, just adding a few other
programs such as busybox, gdbserver, strace, tcpdump, etc... This is
suitable for a test rootfs, but probably not realistic for serious use.
--
Gilles.
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