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Re: [PATCH] S/390: Improve storing asan frame_pc
On Tue, Jul 02, 2019 at 03:33:28PM +0200, Ilya Leoshkevich wrote:
> > Am 02.07.2019 um 15:19 schrieb Segher Boessenkool <firstname.lastname@example.org>:
> > On Tue, Jul 02, 2019 at 08:02:16AM -0500, Segher Boessenkool wrote:
> >> On Tue, Jul 02, 2019 at 10:51:54AM +0200, Ilya Leoshkevich wrote:
> >>> +#undef TARGET_INSN_ALIGNMENT
> >>> +#define TARGET_INSN_ALIGNMENT 16
> >> There already is FUNCTION_BOUNDARY for something similar, which fits in
> >> well with STACK_BOUNDARY, PARM_BOUNDARY, many more *_BOUNDARY. I realise
> >> you may prefer a hook, but as long as we aren't getting rid of all the
> >> other macros, what's the point?
> > And maybe LABEL_BOUNDARY is bettter for this than INSN_BOUNDARY as well?
> Can’t we just use FUNCTION_BOUNDARY then?
> I think .LASANPC is always emitted at the beginning of a function.
Isn't e.g. the hotpatch sequence emitted before it?