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SubjectRe: [PATCH] [PATCH V2]ARM64: SCS: Add gcc plugin to support Shadow Call Stack
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On 10/10/21 11:43 PM, Miguel Ojeda wrote:
> On Sun, Oct 10, 2021 at 5:16 PM Dan Li <ashimida@linux.alibaba.com> wrote:
>>
>> - This option enables Clang's Shadow Call Stack, which uses a
>> - shadow stack to protect function return addresses from being
>> - overwritten by an attacker. More information can be found in
>> - Clang's documentation:
>> + This option enables Clang/GCC plugin's Shadow Call Stack, which
>> + uses a shadow stack to protect function return addresses from
>> + being overwritten by an attacker. More information can be found
>> + in Clang's documentation:
>
> Perhaps it could be worded in a better way? It sounds like it is a
> custom plugin for Clang as well, e.g.:
>
> This option enables Shadow Call Stack (in the case of GCC, as a plugin),
>
> Cheers,
> Miguel
>

Thanks Miguel.

How about writing like this:
This option enables Shadow Call Stack (supported as a compiler option in
the case of clang, supported as a plugin in the case of gcc), which uses
a shadow stack to ...

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