Re: Reg. sparc64 linker error

[Ben Collins]

On Tue, Jun 04, 2002 at 04:14:26PM -0400, Shanti Katta wrote:
> Hi,
> I am trying to port user-mode-linux(uml) to Sparc64 arch. I am running a
> custom built 2.4.18 kernel on debian (sid), Ultra 1 system. I have also
> created static links sparc64-linux-ld and sparc64-linux-as. When I build
> the uml sources, I am getting the following linker error:
> 
> gcc-3.0  -Wall -Wstrict-prototypes -Wno-trigraphs -O2
> -fomit-frame-pointer -fno-strict-aliasing -fno-common -U__sparc64__
> -Usparc64 -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
> -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
> -Wa,--undeclared-regs -D__arch_um__ -DSUBARCH=\"sparc64\" -DNESTING=0
> -D_LARGEFILE64_SOURCE  -I/home/shanti/UML/UMLSparc64/arch/um/include
> -D_GNU_SOURCE -c -o unmap.o unmap.c
> ld -r -o unmap_fin.o unmap.o -lc -L/usr/lib
> ld: warning: sparc:v9 architecture of input file `unmap.o' is
> incompatible with sparc output
> ld: BFD 2.12.90.0.1 20020307 Debian/GNU Linux assertion fail
> ../../bfd/elflink.h:2817
> ld: final link failed: Bad value
> 
> I am using gcc-3.0 with binuitls 2.12.90.0.0.1-5. When I tried using gcc
> with egcs64, it gave me a bunch of parse errors. Hence, I switched to
> gcc-3.0. But now, I have this linker error. Any pointers in this
> direction would be appreciated.

gcc-3.0 may not work well. Eitherway, copy the CFLAGS/LDFLAGS from
arch/sparc64/Makefile. For this example above, you are missing -m64 as
an option to make it output 64bit executables.

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