25 lines
602 B
Rust
25 lines
602 B
Rust
// Test LVI load hardening on SGX enclave code, specifically that `ret` is rewritten.
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//@ add-core-stubs
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//@ assembly-output: emit-asm
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//@ compile-flags: --target x86_64-fortanix-unknown-sgx -Copt-level=0
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//@ needs-llvm-components: x86
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#![feature(no_core, lang_items, f16)]
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#![crate_type = "lib"]
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#![no_core]
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extern crate minicore;
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use minicore::*;
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#[no_mangle]
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pub extern "C" fn dereference(a: &mut u64) -> u64 {
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// CHECK-LABEL: dereference
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// CHECK: lfence
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// CHECK: mov
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// CHECK: popq [[REGISTER:%[a-z]+]]
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// CHECK-NEXT: lfence
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// CHECK-NEXT: jmpq *[[REGISTER]]
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*a
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}
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