RFC: Add a linker warning when creating segments with RWX permissions

[Nick Clifton]

Hi Jan,

>> +static inline bool
>> +is_memory_resident (const Elf_Internal_Phdr *src)
>> +{
>> +  /* FIXME: Should we return true for PT_TLS segments ?  */
>> +  return src->p_type == PT_LOAD;
>> +}
> 
> I think for PT_TLS you would want to warn if X is set, no matter
> whether R and W are also both set?

Agreed.


> How would one go about silencing this warning without splitting the
> segment? 

Hmmm - a good point.  There needs to be a new option to silence the warning.
Either that or the --no-warn-execstack option could be extended to silence
this warning.

Cheers
   Nick