Re: [PATCH 0/3] MR4987: ntdll: Support generic xstate (part 1).

[Alexandre Julliard (＠julliard)]

Alexandre Julliard (@julliard) commented about dlls/ntdll/unix/signal_x86_64.c:
>                 __ASM_CFI(".cfi_rel_offset %r13,-0x18\n\t")
>                 __ASM_CFI(".cfi_rel_offset %r14,-0x20\n\t")
>                 __ASM_CFI(".cfi_rel_offset %r15,-0x28\n\t")
> -
>               "movq 0x400(%r10),%rax\n\t" /* exception list */
> -
>               "movq " __ASM_NAME("xstate_features_size") "(%rip),%rax\n\t"

Accessing global variables that way is not portable.