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//@ add-core-stubs
//@ edition: 2018
//@ compile-flags: --target thumbv8m.main-none-eabi --crate-type lib
//@ needs-llvm-components: arm
#![feature(cmse_nonsecure_entry, c_variadic, no_core, lang_items)]
#![no_core]
extern crate minicore;
use minicore::*;
#[lang = "va_list"]
struct VaList(*mut u8);
unsafe extern "cmse-nonsecure-entry" fn c_variadic(_: u32, _: ...) {
//~^ ERROR `...` is not supported for `extern "cmse-nonsecure-entry"` functions
}
// A regression test for https://github.com/rust-lang/rust/issues/132142
async unsafe extern "cmse-nonsecure-entry" fn async_and_c_variadic(_: ...) {
//~^ ERROR `...` is not supported for `extern "cmse-nonsecure-entry"` functions
//~| ERROR functions cannot be both `async` and C-variadic
}
// Below are the lang items that are required for a program that defines an `async` function.
// Without them, the ICE that is tested for here is not reached for this target. For now they are in
// this file, but they may be moved into `minicore` if/when other `#[no_core]` tests want to use
// them.
// NOTE: in `core` this type uses `NonNull`.
#[lang = "ResumeTy"]
pub struct ResumeTy(*mut Context<'static>);
#[lang = "future_trait"]
pub trait Future {
/// The type of value produced on completion.
#[lang = "future_output"]
type Output;
// NOTE: misses the `poll` method.
}
#[lang = "async_drop"]
pub trait AsyncDrop {
// NOTE: misses the `drop` method.
}
#[lang = "Poll"]
pub enum Poll<T> {
#[lang = "Ready"]
Ready(T),
#[lang = "Pending"]
Pending,
}
#[lang = "Context"]
pub struct Context<'a> {
// NOTE: misses a bunch of fields.
_marker: PhantomData<fn(&'a ()) -> &'a ()>,
}
#[lang = "get_context"]
pub unsafe fn get_context<'a, 'b>(cx: ResumeTy) -> &'a mut Context<'b> {
// NOTE: the actual implementation looks different.
mem::transmute(cx.0)
}
#[lang = "pin"]
pub struct Pin<T>(T);
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