Re: ARM as warnings in as 2.12

[Nick Clifton]

Hi Willi,

> arm-elf-as -o y.o vectors.s
> vectors.s: Assembler messages:
> vectors.s:6: Warning: rest of line ignored; first ignored character is
> `,'
> 
> The problem comes from ",@progbits" part in line 6. The preprocessor
> interprets "@" as a comment char and throws away the rest of the line,
> leaving a "," which the assembler warns.
> My problem is that in binutils-2.10 there are no warnings.
> A project which compiled without warnings under 2.10 does now produce
> warnings when using binutils-2.12.
> When using the gcc-option "-ffunction-sections" then there are lot of
> such warnings.
> 
> Is there a preferred method for avoiding these warnings?

Yes - upgrade to a newer version of gcc.  This problem was solved by
having arm-elf-gcc emit %progbits instead of @progbits.  There is code
in binutils 2.12 which will catch the '%' character and treat it as if
it were the same as the '@' character.

Cheers
        Nick