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| author | Folkert de Vries <folkert@folkertdev.nl> | 2025-07-24 14:06:58 +0200 |
|---|---|---|
| committer | Folkert de Vries <folkert@folkertdev.nl> | 2025-07-28 13:34:25 +0200 |
| commit | 91bccd6ba8861fd91bcf0f682f50f78fdb38a450 (patch) | |
| tree | 01c9f216e563f37dc53797498dd8b412057dc6fb | |
| parent | d242a8bd5a73f633ba1ec5aacf19acf35a3c747d (diff) | |
| download | rust-91bccd6ba8861fd91bcf0f682f50f78fdb38a450.tar.gz rust-91bccd6ba8861fd91bcf0f682f50f78fdb38a450.zip | |
use `minicore` for fortanix assembly tests
3 files changed, 46 insertions, 27 deletions
diff --git a/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs b/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs index f5e2f18e68e..2892ff2882a 100644 --- a/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs +++ b/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs @@ -1,17 +1,24 @@ -// Test LVI load hardening on SGX enclave code +// Test LVI load hardening on SGX enclave code, specifically that `ret` is rewritten. +//@ add-core-stubs //@ assembly-output: emit-asm -//@ compile-flags: --crate-type staticlib -//@ only-x86_64-fortanix-unknown-sgx +//@ compile-flags: --target x86_64-fortanix-unknown-sgx -Copt-level=0 +//@ needs-llvm-components: x86 + +#![feature(no_core, lang_items, f16)] +#![crate_type = "lib"] +#![no_core] + +extern crate minicore; +use minicore::*; #[no_mangle] -pub extern "C" fn plus_one(r: &mut u64) { - *r = *r + 1; +pub extern "C" fn dereference(a: &mut u64) -> u64 { + // CHECK-LABEL: dereference + // CHECK: lfence + // CHECK: mov + // CHECK: popq [[REGISTER:%[a-z]+]] + // CHECK-NEXT: lfence + // CHECK-NEXT: jmpq *[[REGISTER]] + *a } - -// CHECK: plus_one -// CHECK: lfence -// CHECK-NEXT: incq -// CHECK: popq [[REGISTER:%[a-z]+]] -// CHECK-NEXT: lfence -// CHECK-NEXT: jmpq *[[REGISTER]] diff --git a/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs b/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs index f16d68fa255..a0cedc3bc2d 100644 --- a/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs +++ b/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs @@ -1,12 +1,20 @@ // Test LVI ret hardening on generic rust code +//@ add-core-stubs //@ assembly-output: emit-asm -//@ compile-flags: --crate-type staticlib -//@ only-x86_64-fortanix-unknown-sgx +//@ compile-flags: --target x86_64-fortanix-unknown-sgx +//@ needs-llvm-components: x86 + +#![feature(no_core, lang_items, f16)] +#![crate_type = "lib"] +#![no_core] + +extern crate minicore; +use minicore::*; #[no_mangle] pub extern "C" fn myret() {} -// CHECK: myret: +// CHECK-LABEL: myret: // CHECK: popq [[REGISTER:%[a-z]+]] // CHECK-NEXT: lfence // CHECK-NEXT: jmpq *[[REGISTER]] diff --git a/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs b/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs index a729df8e166..215fb4b804a 100644 --- a/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs +++ b/tests/assembly-llvm/x86_64-fortanix-unknown-sgx-lvi-inline-assembly.rs @@ -1,13 +1,22 @@ // Test LVI load hardening on SGX inline assembly code +//@ add-core-stubs //@ assembly-output: emit-asm -//@ compile-flags: --crate-type staticlib -//@ only-x86_64-fortanix-unknown-sgx +//@ compile-flags: --target x86_64-fortanix-unknown-sgx +//@ needs-llvm-components: x86 -use std::arch::asm; +#![feature(no_core, lang_items, f16)] +#![crate_type = "lib"] +#![no_core] + +extern crate minicore; +use minicore::*; #[no_mangle] pub extern "C" fn get(ptr: *const u64) -> u64 { + // CHECK-LABEL: get + // CHECK: movq + // CHECK-NEXT: lfence let value: u64; unsafe { asm!("mov {}, [{}]", @@ -17,18 +26,13 @@ pub extern "C" fn get(ptr: *const u64) -> u64 { value } -// CHECK: get -// CHECK: movq -// CHECK-NEXT: lfence - #[no_mangle] pub extern "C" fn myret() { + // CHECK-LABEL: myret + // CHECK: shlq $0, (%rsp) + // CHECK-NEXT: lfence + // CHECK-NEXT: retq unsafe { asm!("ret"); } } - -// CHECK: myret -// CHECK: shlq $0, (%rsp) -// CHECK-NEXT: lfence -// CHECK-NEXT: retq |
