Re: H8300-elf-as DWARF problem preliminary analysis

[Jeff Law <law at porcupine dot slc dot redhat dot com>]

 In message <E04CF3F88ACBD5119EFE00508BBB212103F60F36@exch-01.noida.hcltech.com
>
, "Nitin Gupta, Noida" writes:
 >
 >> Thinking more about this, why wasn't this fixup simplified?
 >> 
 >> ie, the generic parts of gas know how to simplify a fixup involving
 >> the difference of two symbols in the same segment.
 >> 
 >> I think the answer is that we don't do fixup simplifications on parts
 >> where the linker is going to potentially relax the segment (shrink
 >> the segment).
 >> 
 >> You might look look at defining TC_LINKRELAX_FIXUP since I believe the
 >> fixup you need simplified is in a debugging section.  I believe you
 >> can find a suitable example in tc-mn10300.c.
 >> 
 >Big THANKS for your help. This fixes the problem at the root. Now
 >fixup simplification is done for debug sections. I copied following
 >line from tc-mn10300.h to tc-h8300.h
 >
 >/* Fixup debug sections since we will never relax them.  */
 >#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC)
 >
 >I think I should localize the change by doing something
 >like:
 >#ifdef BFD_ASSEMBLER
 >#define TC_LINKRELAX_FIXUP(seg) (!DEBUG_SECTION(seg))
 >#endif
 >
 >and define DEBUG_SECTION appropriately.
I'd just stick with the version you found in tc-mn10300.h.  No need to
have two different definitions of the same thing floating around.

jeff