Add support for BTI.
Add support for Branch Target Identification. This also adds an extension to
Bind() to indicate which instruction should be used as the landing pad - one of
the BTIs or a PAuth instruction.
The simulation support is partial; memory may only be guarded globally or not at
all.
Change-Id: Idb54826dcf866f1e677fe1579d05987621eae721
diff --git a/src/cpu-features.h b/src/cpu-features.h
index 9dac583..88b6914 100644
--- a/src/cpu-features.h
+++ b/src/cpu-features.h
@@ -94,7 +94,9 @@
/* FP16 fused multiply-add or -subtract long: FMLAL{2}, FMLSL{2}. */ \
V(kFHM, "FHM", "asimdfhm") \
/* Data-independent timing (for selected instructions). */ \
- V(kDIT, "DIT", "dit")
+ V(kDIT, "DIT", "dit") \
+ /* Branch target identification. */ \
+ V(kBTI, "BTI", NULL)
// clang-format on