[fpc-devel] how to produce object codes that do not reference symbolic registers

[Sergei Gorelkin]

17.06.2013 19:20, Dennis пишет:
> I am trying to create a cross compiler from x86 Debian-Linus -> mips-eb (endian big) Linux (OpenWrt).
> The target platform is a netgear 3700 router.
>
> I downloaded the toolchain for openwrt mips-eb and try to make the cross compiler.
> when I run
> make all CPU_TARGET=mips OS_TARGET=linux BINUTILSPREFIX=/usr/bin/mips-linux-gnu-
>
> there were errors:
> /home/dennis/toolchains/staging_dir_mips/bin/mips-linux-as -32 -mips32 -EB -o
> /home/dennis/fpc/2.7.1/rtl/units/mips-linux/prt0.o mips/prt0.as
> mips/prt0.as: Assembler messages:
> mips/prt0.as:23: Error: illegal operands `lui $a2,%hi(__dl_fini)'
>
>
> looks like the mips-linux-as  assembler cannot understand the symbolic register $a2.
>
> May be the assembler version is too old (late 2009) but I cannot find a newer assembler so I am
> wondering if I can make the fpc compiler product object files that DO NOT REFERENCE symbolic registers.
>
> If you know of any options parameters that I can pass to fpc to achieve that, please kindly let me know.
>
> Thanks a lot.
>

There are no compiler switches that influence output of symbolic registers. Moreover, the code in 
prt0.as
is written by hand, so compiler has nothing to do with it.
At the same time, on one of the testing machines we use even older gas 2.18.50.20080506 (May 2008) 
and it gives no such issues.

Regards,
Sergei