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44 lines
870 B
Rust
44 lines
870 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!(".start_inline_asm:",
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"mov {}, [{}]",
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".end_inline_asm:",
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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: .start_inline_asm
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// CHECK-NEXT: movq
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// CHECK-NEXT: lfence
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// CHECK-NEXT: .end_inline_asm
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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!(
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".start_myret_inline_asm:",
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"ret",
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".end_myret_inline_asm:",
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);
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}
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}
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// CHECK: myret
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// CHECK: .start_myret_inline_asm
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// CHECK-NEXT: shlq $0, (%rsp)
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// CHECK-NEXT: lfence
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// CHECK-NEXT: retq
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