PowerPC no small data build uses .sbss? (but sbss should not be used, right?)

[Dave Korn]

----Original Message----
>From: William. Rivet
>Sent: 07 June 2005 14:41

> By using the gcc -mno-sdata it seems the code in fact does not use the
> small data registers, and upon inspection of the assembler listing file,
> it appears data is marked as ".comm zz1, 1, 4" for one example, and
> ".comm zz3,300,4" for another.
> 
> So at the assembly level, there appears to be no distinction for small
> data....looking at the map file, I find zz1 is mapped  to the .sbss
> section and zz3 is mapped to the COMMON section.
> 
> I really would like to avoid explaining to our regulating body why we
> have a small-bss section in our mapfile....is there a way to really
> prevent .sbss sections from being generated? (the small initialized data
> correctly goes into the .data section, not .sdata, so I don't show that
> in my example)
> 
> I tried the ld "-d" option and the linker script
> FORCE_COMMON_ALLOCATION, but no luck. I have run out of ideas.


> .sbss           0x00000000        0x8 load address 0xc0100010
>  .sbss          0x00000000        0x7 fred.o
>                 0x00000000                zz1
>                 0x00000004                zz2
>                 0x00000006                yy
>  .sbss          0x00000007        0x1 joe.o
>                 0x00000007                x


  I notice all those things are less than 8 bytes.  Does "ld --gpsize=0"
help any?


    cheers,
      DaveK
-- 
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