[PATCH v3 2/2] x86: Use separate variable for TLSDESC XSAVE/XSAVEC state size (bug 32810)

[Florian Weimer]

* Sunil Pandey:

> For me, simple test still fail...
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7fd5f2b in _dl_fixup (l=0x0, reloc_arg=0) at dl-runtime.c:48
> warning: Source file is more recent than executable.
> 48    = (const void *) D_PTR (l, l_info[DT_SYMTAB]);

It says “warning: Source file is more recent than executable.”.  Are you
actually testing the right binaries?

>  Do we have to fix this line from
>
> sysdeps/x86_64/dl-trampoline.h:59         sub _
> rtld_local_ro+RTLD_GLOBAL_RO_DL_X86_CPU_FEATURES_OFFSET+XSAVE_STATE_SIZE_OFFSET(%rip),
> %RSP_LP
>
> to
>
> sysdeps/x86_64/dl-trampoline.h:59         _dl_x86_features_tlsdesc_state_size(%rip), %RSP_LP

I don't think so, we want the smaller stack size for lazy binding.

Thanks,
Florian