Re: [Qemu-devel] [PATCH v2 4/4] tcg-arm: Implement tcg_register_jit

[Peter Maydell]

On 17 June 2013 23:12, Andreas Färber <address@hidden> wrote:
> Am 05.06.2013 19:29, schrieb Richard Henderson:
>> Allows unwinding past the code_gen_buffer.
>>
>> Signed-off-by: Richard Henderson <address@hidden>
>> ---
>>  tcg/arm/tcg-target.c | 76 
>> +++++++++++++++++++++++++++++++++++++++++++++-------
>>  1 file changed, 67 insertions(+), 9 deletions(-)
>
> How does the target learn about availability of tcg_register_jit()?

(You mean "how does the core TCG code learn about..." -- this
is an optional facility the tcg target facility can provide
to the core).

> I don't see it used in the patch or in stubs/ and the arm build succeeds.

It's gated on whether the tcg backend defines ELF_HOST_MACHINE:
see the comment at the start of the #ifdef ELF_HOST_MACHINE
section in tcg/tcg.c.

thanks
 -- PMM