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Re: V2: [PATCH 02/24] x86: Support shadow stack pointer in setjmp/longjmp
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Carlos O'Donell <carlos at redhat dot com>, libc-alpha at sourceware dot org
- Date: Sat, 14 Jul 2018 21:57:48 +0200
- Subject: Re: V2: [PATCH 02/24] x86: Support shadow stack pointer in setjmp/longjmp
- References: <20180613153207.57232-1-hjl.tools@gmail.com> <20180613153207.57232-3-hjl.tools@gmail.com> <abc02573-7240-e248-9bfe-bdc324b9e07d@redhat.com> <20180713132252.GC2606@gmail.com>
* H. J. Lu:
> + /* Get the current ssp. */
> + rdsspd %edx
This moves the required binutils version past current Debian's 2.28.
I know we recently increased the minimum make version recently, but
binutils 2.28 is still quite new, I think.
Could we list the bytes for the instruction explicitly instead?