[PATCH] D28898: [ELF] - Allow emulation to be different from input objects target.

[Rafael Avila de Espindola via llvm-commits]

Rafael Avila de Espindola <rafael.espindola at gmail.com> writes:

>> +  // Take machine type from emulation first. That is done early so
>> +  // we are able to report wrong emulation values if any.
>> +  if (!Config->Emulation.empty()) {
>> +    std::tie(Config->EKind, Config->EMachine, Config->OSABI) =
>> +        parseEmulation(Config->Emulation);
>> +    Config->MipsN32Abi = Config->Emulation == "elf32btsmipn32" ||
>> +                         Config->Emulation == "elf32ltsmipn32";
>> +  }
>
> What breaks without this? I am probably OK with completely ignoring -m
> if a .o is present (which I assume is what gold does), but it feels odd
> to use only some bits of it.

BTW, have you tried asking the original author why the mismatched -m and
.o?

Cheers,
Rafael