Re: [PATCH 6/6] ppc: ebpf/jit: Implement JIT compiler for extended BPF

On 2016/06/08 10:19PM, Nilay Vaish wrote:

Naveen, can you point out where in the patch you update the variable:
idx, a member of codegen_contex structure?  Somehow I am unable to
figure it out.  I can only see that we set it to 0 in the
bpf_int_jit_compile function.  Since all your test cases pass, I am
clearly overlooking something.

Yes, that's being done in bpf_jit.h (see the earlier patches in the 
series). All the PPC_*() instruction macros are defined to EMIT() the 
respective powerpc instruction encoding.  EMIT() translates to 
PLANT_INSTR(), which actually increments idx.

- Naveen