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.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/4987#note_60433