generic load hardening test

davidtwco · Sep 22, 2020 · cd31f40 · cd31f40
1 parent a13239d
commit cd31f40
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/src/test/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs b/src/test/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs
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+// Test LVI load hardening on SGX enclave code
+
+// assembly-output: emit-asm
+// compile-flags: --crate-type staticlib
+// only-x86_64-fortanix-unknown-sgx
+
+#[no_mangle]
+pub extern fn plus_one(r: &mut u64) {
+    *r = *r + 1;
+}
+
+// CHECK: plus_one
+// CHECK: lfence
+// CHECK-NEXT: addq
+// CHECK: popq [[REGISTER:%[a-z]+]]
+// CHECK-NEXT: lfence
+// CHECK-NEXT: jmpq *[[REGISTER]]
+