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35 lines
600 B
Rust
35 lines
600 B
Rust
// Test LVI load hardening on SGX inline assembly code
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// assembly-output: emit-asm
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// compile-flags: --crate-type staticlib
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// only-x86_64-fortanix-unknown-sgx
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use std::arch::asm;
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#[no_mangle]
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pub extern "C" fn get(ptr: *const u64) -> u64 {
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let value: u64;
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unsafe {
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asm!("mov {}, [{}]",
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out(reg) value,
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in(reg) ptr);
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}
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value
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}
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// CHECK: get
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// CHECK: movq
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// CHECK-NEXT: lfence
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#[no_mangle]
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pub extern "C" fn myret() {
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unsafe {
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asm!("ret");
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}
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}
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// CHECK: myret
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// CHECK: shlq $0, (%rsp)
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// CHECK-NEXT: lfence
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// CHECK-NEXT: retq
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