on 2024/7/3 23:05, Peter Bergner wrote:
> On 7/3/24 4:01 AM, Kewen.Lin wrote:
>>> - if (TARGET_POWER10
>>> + if (TARGET_POWER8
>>>&& info->calls_p
>>>&& DEFAULT_ABI == ABI_ELFv2
>>>&& rs6000_rop_protect)
>>
>> Nit: I noticed that this is the only place to change
>>
On 7/3/24 4:01 AM, Kewen.Lin wrote:
>> - if (TARGET_POWER10
>> + if (TARGET_POWER8
>>&& info->calls_p
>>&& DEFAULT_ABI == ABI_ELFv2
>>&& rs6000_rop_protect)
>
> Nit: I noticed that this is the only place to change
> info->rop_hash_size to non-zero, and ...
>
>> @@
Hi Peter,
on 2024/6/20 05:14, Peter Bergner wrote:
> We currently only emit the ROP-protect hash* insns for Power10, where the
> insns were added to the architecture. We want to emit them for earlier
> cpus (where they operate as NOPs), so that if those older binaries are
> ever executed on a
Ping.[Message-ID: <1a420e3e-3285-4e0b-87bd-6714fedc0...@linux.ibm.com>]
Peter
On 6/19/24 4:14 PM, Peter Bergner wrote:
> We currently only emit the ROP-protect hash* insns for Power10, where the
> insns were added to the architecture. We want to emit them for earlier
> cpus (where they
We currently only emit the ROP-protect hash* insns for Power10, where the
insns were added to the architecture. We want to emit them for earlier
cpus (where they operate as NOPs), so that if those older binaries are
ever executed on a Power10, then they'll be protected from ROP attacks.
Binutils
