[Bug binutils/25136] mips64: set abi as N64 when the ABI section triple is gnuabi64

[address@hidden]

https://sourceware.org/bugzilla/show_bug.cgi?id=25136

Maciej W. Rozycki <macro@linux-mips.org> changed:

           What    |Removed                     |Added
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                 CC|                            |macro@linux-mips.org

--- Comment #4 from Maciej W. Rozycki <macro@linux-mips.org> ---
As to making the default ABI/ISA configurable I would recommend reusing
the approach we have taken with GCC, that is to provide `--with-abi=',
`--with-arch=', `--with-arch-32=' and `--with-arch-64=' configuration
options.  This way the toolchain will remain consistent and will not
depend on the target triplet in a different way across packages, and also
we won't have to invent more and more complicated target triplets to
handle new cases as they arise.  As I recall this design decision has
been discussed a few times over the years.

Please note that GAS/LD are low-level tools however and in ordinary use
cases they are supposed to be driven by GCC, which will set correct flags
according to its configuration and any additional options requested.  I'm
not therefore sure we need to change the semantics in the first place.
What is your use case that requires GAS/LD to be invoked directly rather
than via GCC?

Cf. PR ld/25494.

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