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-rw-r--r--tests/assembly/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs43
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs b/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs
new file mode 100644
index 000000000..c316379d5
--- /dev/null
+++ b/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs
@@ -0,0 +1,43 @@
+// Test LVI load hardening on SGX inline assembly code
+
+// assembly-output: emit-asm
+// compile-flags: --crate-type staticlib
+// only-x86_64-fortanix-unknown-sgx
+
+use std::arch::asm;
+
+#[no_mangle]
+pub extern "C" fn get(ptr: *const u64) -> u64 {
+ let value: u64;
+ unsafe {
+ asm!(".start_inline_asm:",
+ "mov {}, [{}]",
+ ".end_inline_asm:",
+ out(reg) value,
+ in(reg) ptr);
+ }
+ value
+}
+
+// CHECK: get
+// CHECK: .start_inline_asm
+// CHECK-NEXT: movq
+// CHECK-NEXT: lfence
+// CHECK-NEXT: .end_inline_asm
+
+#[no_mangle]
+pub extern "C" fn myret() {
+ unsafe {
+ asm!(
+ ".start_myret_inline_asm:",
+ "ret",
+ ".end_myret_inline_asm:",
+ );
+ }
+}
+
+// CHECK: myret
+// CHECK: .start_myret_inline_asm
+// CHECK-NEXT: shlq $0, (%rsp)
+// CHECK-NEXT: lfence
+// CHECK-NEXT: retq