[PATCH 2/2] gdbserver: Add linux_get_hwcap

[Ulrich Weigand]

Pedro Franco de Carvalho wrote:

> I noticed that is_elfv2_inferior previously relied on ppc_get_auxv
> returning whether or not the AT_PHDR key is found, besides the vector
> value.  The actual value was returned in the pointer argument.  The new
> linux_get_auxv returns 0 for the value if the key isn't found.  I don't
> know if the value for AT_PHDR can be an actual 0.

Seems unlikely, but I guess theoretically possible on some platforms.
But in general, there is a difference between an AT_ aux vector entry
not present, or present with value zero, so the interface should be
able to represent that.
 
> Should linux_get_auxv be changed to return this and also take a
> CORE_ADDR pointer?  It should also be made visible in the header.

Sounds reasonable to me.

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU/Linux compilers and toolchain
  Ulrich.Weigand@de.ibm.com