Re: [PATCH users/roland/osabi] Recognize GNU .note.ABI-tag values 5 (syllable) and 6 (nacl)

[Pedro Alves <palves@redhat.com>]

On 05/29/2015 05:47 PM, Roland McGrath wrote:
> On Fri, May 29, 2015 at 3:29 AM, Pedro Alves <palves@redhat.com> wrote:
>> I think adding the constants to include/elf/common.h,
> 
> I've already committed common.h based on the binutils approval.
> 
>> and making
>> generic_elf_osabi_sniff_abi_tag_sections recognize syllable and nacl,
>> avoiding the internal_error (or warning after your other patch) is OK
>> and could go to the 7.9 branch.  Please split that out to a separate patch.
> 
> Do you mean just silently ignoring these values?

I do.

> 
>> The rest of the gdb bits can be considered for trunk.  I don't think we want
>> GDB_OSABI_SYLLABLE exposed to the rest of the gdb (I don't know anything
>> about Syllable either), and to users (both "set osabi" and xml target
>> descriptions).  We may need to expose GDB_OSABI_NACL, but that's probably
>> best added along with the nacl port, assuming there's one.
> 
> OK.  I'll ignore Syllable entirely, since I was only doing it for
> completeness.
> 
> For NaCl, I'll investigate further before proposing something.  We have a
> patch that is mostly about x86 and needs some cleanup (or probably complete
> rewriting).  NaCl's x86-64 is particularly odd and I don't want to worry
> about the weird cruft we have for that right now.  At the moment, I'm
> focused on on arm-nacl.  NaCl is an all-remote target (the only kind of
> "native" debugging interface available is a gdb stub).  So there really is
> almost nothing to do.  But when I get some time I'll look into building
> --target=arm-nacl on trunk and see what it needs.

OK.  Looking forward to hear about this.

Thanks,
Pedro Alves