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Re: [RFC PATCH glibc 16/34] hurd: Add sys/ucontext.h and sigcontext.h fo
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From: |
Samuel Thibault |
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Subject: |
Re: [RFC PATCH glibc 16/34] hurd: Add sys/ucontext.h and sigcontext.h for x86_64 |
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Date: |
Mon, 10 Apr 2023 20:58:14 +0200 |
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User-agent: |
NeoMutt/20170609 (1.8.3) |
Sergey Bugaev, le dim. 19 mars 2023 18:09:59 +0300, a ecrit:
> +#ifdef __USE_GNU
> +/* Number of each register in the `gregset_t' array. */
> +enum
> +{
> + REG_GSFS = 0, /* Actually int gs, fs. */
> +# define REG_GSFS REG_GSFS
> + REG_ESDS, /* Actually int es, ds. */
> +# define REG_ESDS REG_ESDS
On second thought, why REG_ESDS? They are basically useless on amd64
Linux packs all segment registers in REG_CSGSFS, probably better to
stuff them the same way? (all three really are 16bit only, even if the
thread_state is padding them to 32bits).
Samuel