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authorKajetan Puchalski <kajetan.puchalski@arm.com>2024-10-16 15:39:58 +0100
committerKajetan Puchalski <kajetan.puchalski@arm.com>2024-10-31 11:59:17 +0000
commit10edeea4b48d852fb9366a2d4d4dde5055501a7c (patch)
tree2bdbaae0dc79adc1f234df41eb542e46d179a6aa /compiler/rustc_interface/src/tests.rs
parent4d296eabe4c5cfbce9bb68e6221bca2165aae97b (diff)
downloadrust-10edeea4b48d852fb9366a2d4d4dde5055501a7c.tar.gz
rust-10edeea4b48d852fb9366a2d4d4dde5055501a7c.zip
rustc_codegen_llvm: Add a new 'pc' option to branch-protection
Add a new 'pc' option to -Z branch-protection for aarch64 that
enables the use of PC as a diversifier in PAC branch protection code.

When the pauth-lr target feature is enabled in combination
with -Z branch-protection=pac-ret,pc, the new 9.5-a instructions
(pacibsppc, retaasppc, etc) will be generated.
Diffstat (limited to 'compiler/rustc_interface/src/tests.rs')
-rw-r--r--compiler/rustc_interface/src/tests.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs
index d3762e739db..546addf2232 100644
--- a/compiler/rustc_interface/src/tests.rs
+++ b/compiler/rustc_interface/src/tests.rs
@@ -764,7 +764,7 @@ fn test_unstable_options_tracking_hash() {
         branch_protection,
         Some(BranchProtection {
             bti: true,
-            pac_ret: Some(PacRet { leaf: true, key: PAuthKey::B })
+            pac_ret: Some(PacRet { leaf: true, pc: true, key: PAuthKey::B })
         })
     );
     tracked!(codegen_backend, Some("abc".to_string()));