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Re: relocation truncated to fit errors


On Sat, 1 Apr 2006, Niklaus wrote:

I setup cross compilation environment for mips and did a make . Why do
i get the last following error relocation truncated to fit errors.
...
mips-deb-linux-gcc -msoft-float -mgp32 -g -O2 -mips3 -G 0 -DGDB_STUB
-I. -I./include -I./config/mips3/vr4131 -I./config/mips3 -nostdlib -T ./config/mips3/vr4131/vr4131_elf_gdb.ld -o jsp \
exception_vector.o sample1.o timer.o
serial.o logtask.o log_output.o vasyslog.o t_perror.o strerror.o kernel_cfg.o libkernel.a -lgcc

What exact --configure target did you use for your cross compiler? It looks like you've been using mips-linux or mips64-linux. Now, by selecting this target, you'll get a libgcc which is compiled with -fPIC. Such a libgcc is meant to be used in Linux userspace and will require a proper initialisation of the global pointer (symbol _gp IIRC). I'm not sure you're providing that. What's more, I think it'll also require the main program components be linked with -fPIC as well, which you are not doing.

I'm aware that this is no directly usable help for you. All I can advise is
to carefully analyse (X-objdump -fph .. and X-objdump -d ..) ALL objects
you're linking to make sure they're compatible with each other.

Regards,
Marius

--
Marius Groeger <mgroeger@sysgo.com>
SYSGO AG                      Embedded and Real-Time Software
Voice: +49 6136 9948 0                  FAX: +49 6136 9948 10
www.sysgo.com | www.elinos.com | www.osek.de | www.pikeos.com


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