Assembler message: "unsupported relocation type" with MPC555 crosscompiler
Matthias Fertig
matthias.fertig@ais.fraunhofer.de
Wed Jul 24 07:25:00 GMT 2002
i ran powerpc-eabi-gcc
powerpc-eabi-gcc -g -S -mcpu=555 -I../../mpc555/include main.c
and looked into main.s
#231: .LM18:
#232: mtspr EIE, r3
#233: .stabn 68,0,44,.LM19-main
the "move to special purpose register" looks good, for my opinion.
i don't understand the reason of the error? what does it mean, if there
is a problem with an allocaion type?
Thanks for ideas and comments,
Matthias
"William A. Gatliff" schrieb:
>
> Matthias:
>
> > powerpc-eabi-gcc -g -c -mcpu=555 -I$(INCLUDES) -o main.o main.c
> > /tmp/cckZyIqV.s: Assembler messages:
> > /tmp/cckZyIqV.s:232: Error: unsupported relocation type
> > /tmp/cckZyIqV.s:232: Error: unsupported relocation type
> > make: *** [main.o] Fehler 1
>
> Run the source file through gcc with -g -S, and have a look at line
> 232. This could be a gcc or assembler problem, knowing what the
> offending instruction is would help.
>
> > by the way: if i have compiled the sources succesfully, how can i
> > load the code on my target platform ... yes i am a newbie!
>
> The linker will write an output file, using ELF, EABI or some other
> format (depending on what you tell it) that contains your program.
> Use objcopy to convert it to S-record or Hex, and use a chip burner to
> burn it into the flash on your target system.
>
> You could also feed the output file to gdb and debug remotely, if your
> target hardware has a suitable debugging agent. See my article on
> implementing a remote debugging agent at http://billgatliff.com for
> more on what I'm talking about.
>
> b.g.
> --
> Bill Gatliff
> bgat@billgatliff.com
>
> ------
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