Segment and external symbols used in relocatable expressions

I know that for Keil assembler, "Segment and external symbols are not allowed in simple relocatable expressions". I just want to ask is there any tricks or "non-simple" way that can do the same effect...
Segment and external symbols used in relocatable expressions

I know that for Keil assembler, "Segment and external symbols are not allowed in simple relocatable expressions". I just want to ask is there any tricks or "non-simple" way that can do the same effect...
Relocatable code

Can the ARM compiler-linker produce relocatable object code? That is, the code may be executed from anywhere in memory because it has no absolute program memory references - all is relative to PC. ...
Relocatable module

I would like to create a C-code module that will contain several functions. It should be R/W and R/O independent and at the beginning it should contain a table which will hold offsets of the contained...
Relocatable code

Can the ARM compiler-linker produce relocatable object code? That is, the code may be executed from anywhere in memory because it has no absolute program memory references - all is relative to PC. ...