Re: [PATCH v2 4/8] objtool/LoongArch: Enable orc to be built

[Tiezhu Yang]

On 10/10/2023 08:52 PM, Huacai Chen wrote:
> Hi, Tiezhu,
>
> On Mon, Oct 9, 2023 at 9:03 PM Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote:
> > Implement arch-specific init_orc_entry(), reg_name(), orc_type_name(),
> > print_reg() and orc_print_dump(), then set BUILD_ORC as y to build the
> > orc related files.

...

> > +#define ORC_REG_SP                     2
> > +#define ORC_REG_BP                     3
> There is no BP register for LoongArch, so I think all 'BP' should be
> 'FP' in this patch.

Makes sense, thank you, will do it.

> > +#define ORC_REG_MAX                    4

...

> > +struct orc_entry {
> > +       s16             sp_offset;
> > +       s16             bp_offset;
> > +       s16             ra_offset;
> > +       unsigned int    sp_reg:4;
> > +       unsigned int    bp_reg:4;
> > +       unsigned int    ra_reg:4;
> > +       unsigned int    type:3;
> > +       unsigned int    signal:1;
> > +};

At the same time, I will replace bp_offset with fp_offset and
replace bp_reg with fp_reg, then modify the related code.

Thanks,
Tiezhu