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authorNikita Popov <npopov@redhat.com>2024-09-02 15:45:06 +0200
committerNikita Popov <npopov@redhat.com>2024-09-06 14:11:13 +0200
commit54ebb9d4897c2f372e3b20f833c2ea4eaf656a0e (patch)
tree9cb789be13936f0f2978648ba036eae46fad74ac /tests/codegen
parent9b82580c7347f800c2550e6719e4218a60a80b28 (diff)
downloadrust-54ebb9d4897c2f372e3b20f833c2ea4eaf656a0e.tar.gz
rust-54ebb9d4897c2f372e3b20f833c2ea4eaf656a0e.zip
Do not request sanitizers for naked functions
Naked functions can only contain inline asm, so any instrumentation
inserted by sanitizers is illegal. Don't request it.

Fixes https://github.com/rust-lang/rust/issues/129224.
Diffstat (limited to 'tests/codegen')
-rw-r--r--tests/codegen/naked-asan.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/codegen/naked-asan.rs b/tests/codegen/naked-asan.rs
new file mode 100644
index 00000000000..a45b95780f7
--- /dev/null
+++ b/tests/codegen/naked-asan.rs
@@ -0,0 +1,22 @@
+// Make sure we do not request sanitizers for naked functions.
+
+//@ only-x86_64
+//@ needs-sanitizer-address
+//@ compile-flags: -Zsanitizer=address -Ctarget-feature=-crt-static
+
+#![crate_type = "lib"]
+#![no_std]
+#![feature(abi_x86_interrupt, naked_functions)]
+
+// CHECK: define x86_intrcc void @page_fault_handler(ptr {{.*}}%0, i64 {{.*}}%1){{.*}}#[[ATTRS:[0-9]+]] {
+// CHECK-NOT: memcpy
+#[naked]
+#[no_mangle]
+pub extern "x86-interrupt" fn page_fault_handler(_: u64, _: u64) {
+    unsafe {
+        core::arch::asm!("ud2", options(noreturn));
+    }
+}
+
+// CHECK: #[[ATTRS]] =
+// CHECK-NOT: sanitize_address