[PATCH] D58102: Support X86 Control-flow Enforcement Technology (CET) in LLD

[H.J Lu via Phabricator via llvm-commits]

hjl.tools added a comment.

In D58102#1414695 <https://reviews.llvm.org/D58102#1414695>, @xiangzhangllvm wrote:

> Add -z force-cet option to force enable CET.
>  But if we do not use this option, CET will also try to work unless meet the conditions of no satisfaction.


GNU linker supports:

'shstk'

  Generate GNU_PROPERTY_X86_FEATURE_1_SHSTK in
  .note.gnu.property section to indicate compatibility with
  Intel Shadow Stack.  Supported for Linux/i386 and
  Linux/x86_64.

'ibtplt'

  Generate Intel Indirect Branch Tracking (IBT) enabled PLT
  entries.  Supported for Linux/i386 and Linux/x86_64.

'ibt'

  Generate GNU_PROPERTY_X86_FEATURE_1_IBT in .note.gnu.property
  section to indicate compatibility with IBT. This also implies
  'ibtplt'.  Supported for Linux/i386 and Linux/x86_64.


Repository:
  rLLD LLVM Linker

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58102/new/

https://reviews.llvm.org/D58102