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Re: [PATCH v2] Fix the register() and u_register() tapset functions for x86

From: Yichun Zhang <yichun at openresty dot com>
To: systemtap at sourceware dot org
Date: Sun, 16 Sep 2018 15:48:41 -0700
Subject: Re: [PATCH v2] Fix the register() and u_register() tapset functions for x86
References: <20180916074124.117354-1-yichun@openresty.com> <20180916080131.125083-1-yichun@openresty.com>

Hello!

On Sun, Sep 16, 2018 at 1:01 AM Yichun Zhang (agentzh) wrote:
>
> The register() and u_register() functions incorrectly read 16-bit
> x86 registers as 32-bit on both i386 and x86_64.
>
> Fixed the sign-extension of register values on i386.
>
> Fixed a compilation error when using *register() in the dyninst
> runtime mode on x86_64.
>
> Also added support for 8-bit x86 reigsters like "al" and "bh" on both
> i386 and x86_64.

Just committed this to master with the approval from fche on IRC.

Best,
Yichun

References:
- [PATCH] Fix the register() and u_register() tapset functions for x86
  - From: Yichun Zhang (agentzh)
- [PATCH v2] Fix the register() and u_register() tapset functions for x86
  - From: Yichun Zhang (agentzh)

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