rust/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs

// 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 "C" fn plus_one(r: &mut u64) {
    *r = *r + 1;
}

// CHECK: plus_one
// CHECK: lfence
// CHECK-NEXT: incq
// CHECK: popq [[REGISTER:%[a-z]+]]
// CHECK-NEXT: lfence
// CHECK-NEXT: jmpq *[[REGISTER]]
generic load hardening test 2020-03-19 14:47:50 +00:00			`// 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]`
Run rustfmt on `tests/assembly/`. 2024-05-29 03:57:23 +00:00			`pub extern "C" fn plus_one(r: &mut u64) {`
generic load hardening test 2020-03-19 14:47:50 +00:00			`r = r + 1;`
			`}`

			`// CHECK: plus_one`
			`// CHECK: lfence`
Fix LVI generic load test 2023-02-21 15:30:30 +00:00			`// CHECK-NEXT: incq`
generic load hardening test 2020-03-19 14:47:50 +00:00			`// CHECK: popq [[REGISTER:%[a-z]+]]`
			`// CHECK-NEXT: lfence`
			`// CHECK-NEXT: jmpq *[[REGISTER]]`