rust/tests/ui/sanitizer/cfi/fn-ptr.rs
Ramon de C Valle 66c93ac8ba CFI: Move CFI ui tests to cfi directory
Moves the CFI ui tests to the cfi directory and removes the cfi prefix
from tests file names similarly to how the cfi codegen tests are
organized.
2024-08-12 14:59:50 -07:00

62 lines
1.2 KiB
Rust

// Verifies that casting to a function pointer works.
//@ revisions: cfi kcfi
// FIXME(#122848) Remove only-linux once OSX CFI binaries work
//@ only-linux
//@ [cfi] needs-sanitizer-cfi
//@ [kcfi] needs-sanitizer-kcfi
//@ compile-flags: -C target-feature=-crt-static
//@ [cfi] compile-flags: -C opt-level=0 -C codegen-units=1 -C lto
//@ [cfi] compile-flags: -C prefer-dynamic=off
//@ [cfi] compile-flags: -Z sanitizer=cfi
//@ [kcfi] compile-flags: -Z sanitizer=kcfi
//@ [kcfi] compile-flags: -C panic=abort -C prefer-dynamic=off
//@ run-pass
trait Foo {
fn foo(&self);
fn bar(&self);
}
struct S;
impl Foo for S {
fn foo(&self) {}
#[track_caller]
fn bar(&self) {}
}
struct S2 {
f: fn(&S)
}
impl S2 {
fn foo(&self, s: &S) {
(self.f)(s)
}
}
trait Trait1 {
fn foo(&self);
}
struct Type1;
impl Trait1 for Type1 {
fn foo(&self) {}
}
fn foo<T>(_: &T) {}
fn main() {
let type1 = Type1 {};
let f = <Type1 as Trait1>::foo;
f(&type1);
// Check again with different optimization barriers
S2 { f: <S as Foo>::foo }.foo(&S);
// Check mismatched #[track_caller]
S2 { f: <S as Foo>::bar }.foo(&S);
// Check non-method functions
S2 { f: foo }.foo(&S)
}