Problem:
Using COBSQL on a 64-bit platform fails when working in 32-bit mode. Investigations revealed that procob32 was missing from $ORACLE_HOME/bin.
Resolution:
This is an Oracle issue. Further details can be found on the Oracle Metalink site under document id 458640.1.
To resolve the problem you should:
1.Download patch 5887582
2.Place the file spcbd.o in $ORACLE_HOME/precomp/lib32 directory
3.Relink the procob32 using
$ make -f ins_precomp.mk procob32
(OR)
Apply patch 4757588 on top of Oracle 10g 10.2.0.3