x64: Add support for CET IBT.

Note: this is not enabled by default, look for CET in lj_arch.h Contributed by Yuichiro Naito. #1391
2025-10-16 14:24:52 +02:00
parent 5c3254d68d
commit 25a61a1821
7 changed files with 95 additions and 10 deletions
--- a/src/lj_target_x86.h
+++ b/src/lj_target_x86.h
@@ -242,6 +242,9 @@ typedef enum {
  XV_SHLX =	XV_660f38(f7),
  XV_SHRX =	XV_f20f38(f7),

+  /* Special NOP instructions. */
+  XI_ENDBR64 =	0xfa1e0ff3,
+
  /* Variable-length opcodes. XO_* prefix. */
  XO_OR =	XO_(0b),
  XO_MOV =	XO_(8b),