Re: [musl] add loongarch64 port

[王洪亮 <wanghongliang@loongson.cn>]

Hi, Arnd

another team responsible for kernel port. I already put this point

to them for reference.


Hongliang Wang


在 2022/3/23 上午4:36, Arnd Bergmann 写道:
> On Tue, Mar 22, 2022 at 8:03 PM Rich Felker <dalias@libc.org> wrote:
>> On Tue, Mar 22, 2022 at 11:52:35AM +0800, 王洪亮 wrote:
>>> diff --git a/arch/loongarch64/bits/signal.h b/arch/loongarch64/bits/signal.h
>>> new file mode 100644
>>> index 00000000..a28ec91a
>>> --- /dev/null
>>> +++ b/arch/loongarch64/bits/signal.h
>>> @@ -0,0 +1,79 @@
>>> [...]
>>> +#define _NSIG 64
>> It was also pointed out to me that this is likely wrong. _NSIG needs
>> to be 1 plus the last signal number, so 65 if there are 64 signals
>> like most archs have. Or, if you kept the mips weirdness, 128 (since
>> mips has 127 signals).
> The kernel port originally used the mips signal handling conventions,
> but I pointed out during the review that this is not a good choice for
> a new architecture.
>
> The version that is currently under review for the kernel uses the
> asm-generic version of all the ABI structures, with the normal 64
> signals.
>
>        Arnd