Re: [Qemu-devel] cpu_x86() ?

[Jun Koi]

On Tue, Nov 1, 2011 at 6:58 PM, Max Filippov <address@hidden> wrote:
>> the way cpu_exec() is defined is really confused to me.
>>
>> in cpu-exec.c, we define cpu_exec() function.
>>
>> however, each architecture seems to redefine cpu_exec(), like we have
>> in target-i386/cpu.h
>>
>> #define cpu_exec cpu_x86_exec
>>
>> so which cpu_exec() is executed in case of tcg/x86?
>>
>> also, i cannot find the definition of cpu_x86_exec() anywhere.
>
> cpu_exec definition in cpu-exec.c takes place after #include "cpu.h"
> which contains #define cpu_exec whatever.
> In case of x86 cpu_x86_exec is actually defined by the cpu-exec.c.
>

ok, so which means cpu_exec is redefined accordingly to each architecture.

why do we need to do this weird thing? as there is no namespace
collision it seems between architectures, why dont we just let
cpu_exec() be cpu_exec()?

is this a trick? i cannot figure out why.

thanks,
Jun