On Fri, 2023-12-01 at 17:55 +0800, mengqinggang wrote:
> Generate la.tls.desc macro instruction for TLS descriptors model.
>
> la.tls.desc expand to
> pcalau12i $a0, %desc_pc_hi20(a)
> ld.d $a1, $a0, %desc_ld_pc_lo12(a)
> addi.d $a0, $a0, %desc_add_pc_lo12(a)
> jirl $ra, $a1, %desc_call(a)
>
> The default is TLS descriptors, but can be configure with
> -mtls-dialect={desc,trad}.
No, the default should be trad to be compatible with old Glibc and
Binutils.
Or you can check the value of --with-glibc-version=M.N and the GAS
feature when GCC is configured to decide the default.
--
Xi Ruoyao <xry...@xry111.site>
School of Aerospace Science and Technology, Xidian University
