known-elf.awk/known-elf.h

Petr Machata pmachata at redhat.com
Wed Apr 1 15:52:17 UTC 2015


Mark Wielaard <mjw at redhat.com> writes:

> On Tue, 2015-03-31 at 17:09 +0200, Petr Machata wrote:
>> Mark Wielaard <mjw at redhat.com> writes:
>> 
>> > And you can match against EM_##ARCH in the per-arch executor to select
>> > the correct one for the ELF you are examining?
>> 
>> You could do something like this:
>> 
>> #define ELF_ONE_KNOWN_DT_ARCH (ARCH) \
>>   if (ARCH == my_arch)               \
>>     {                                \
>>       ELF_ALL_KNOWN_DT_##ARCH        \
>>     }
>
> Question is how to construct "my_arch". I think we need some macro to
> turn an ehdr.e_machine into an ARCH. Or make sure that ARCH either is an
> e_machine constant value or can easily be turned into one.

Ah, I see what you mean.  EM_##ARCH is the e_machine constant.

Thanks,
Petr


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