Re: [testsuite] Provide and use mmap effective-target keyword

[Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>]

Ulrich,

> Rainer Orth wrote:
>
>> +proc check_effective_target_mmap {} {
>> +    return [check_no_compiler_messages mmap assembly {
>> +	#include <sys/mman.h>
>> +    }]
>> +}
>
> Unfortunately, this test breaks spu-elf; a lot of tests now fail with:
> loop-2f.c:(.text+0x100): undefined reference to `mmap'
>
> The problem is that we *do* have sys/mman.h on SPU, it just does not
> contain a mmap prototype (and there is no mmap routine).  Instead,
> sys/mman.h on SPU has prototypes and defines for "mmap_eaddr" and
> the like, which allow SPU programs to manipulate PPU-side memory
> mappings (to be accessed via DMA) ...
>
> Can the test be extended to actually check for the mmap routine
> itself?

sure, that's one of the reasons to centralize the mmap test.  Simply
replacing the body of the proc with

    return [check_function_available "mmap"]

should work.  Could you give it a try?

Thanks.
        Rainer

-- 
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University