#![feature(
no_core, lang_items, intrinsics, unboxed_closures, type_ascription, extern_types,
- untagged_unions, decl_macro, rustc_attrs, transparent_unions
+ untagged_unions, decl_macro, rustc_attrs, transparent_unions, optin_builtin_traits,
+ thread_local,
)]
#![no_core]
#![allow(dead_code)]
unsafe impl Sync for [u8; 16] {}
#[lang = "freeze"]
-trait Freeze {}
+unsafe auto trait Freeze {}
+
+unsafe impl<T: ?Sized> Freeze for PhantomData<T> {}
+unsafe impl<T: ?Sized> Freeze for *const T {}
+unsafe impl<T: ?Sized> Freeze for *mut T {}
+unsafe impl<T: ?Sized> Freeze for &T {}
+unsafe impl<T: ?Sized> Freeze for &mut T {}
+
+#[lang = "structural_peq"]
+pub trait StructuralPartialEq {}
+
+#[lang = "structural_teq"]
+pub trait StructuralEq {}
#[lang = "not"]
pub trait Not {
#[lang = "fn_once"]
#[rustc_paren_sugar]
pub trait FnOnce<Args> {
+ #[lang = "fn_once_output"]
type Output;
extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
}
#[lang = "panic"]
-pub fn panic(&(_msg, _file, _line, _col): &(&'static str, &'static str, u32, u32)) -> ! {
+#[track_caller]
+pub fn panic(_msg: &str) -> ! {
unsafe {
- libc::puts("Panicking\0" as *const str as *const u8);
+ libc::puts("Panicking\n\0" as *const str as *const i8);
+ intrinsics::abort();
+ }
+}
+
+#[lang = "panic_bounds_check"]
+#[track_caller]
+fn panic_bounds_check(index: usize, len: usize) -> ! {
+ unsafe {
+ libc::printf("index out of bounds: the len is %d but the index is %d\n\0" as *const str as *const i8, len, index);
intrinsics::abort();
}
}
extern "rust-intrinsic" {
pub fn abort() -> !;
pub fn size_of<T>() -> usize;
- pub fn size_of_val<T: ?::Sized>(val: &T) -> usize;
+ pub fn size_of_val<T: ?::Sized>(val: *const T) -> usize;
pub fn min_align_of<T>() -> usize;
- pub fn min_align_of_val<T: ?::Sized>(val: &T) -> usize;
+ pub fn min_align_of_val<T: ?::Sized>(val: *const T) -> usize;
pub fn copy<T>(src: *const T, dst: *mut T, count: usize);
pub fn transmute<T, U>(e: T) -> U;
- pub fn init<T>() -> T;
pub fn ctlz_nonzero<T>(x: T) -> T;
pub fn needs_drop<T>() -> bool;
pub fn bitreverse<T>(x: T) -> T;
pub fn bswap<T>(x: T) -> T;
+ pub fn write_bytes<T>(dst: *mut T, val: u8, count: usize);
}
}
pub mod libc {
- #[link(name = "c")]
+ #[cfg_attr(not(windows), link(name = "c"))]
+ #[cfg_attr(windows, link(name = "msvcrt"))]
extern "C" {
- pub fn puts(s: *const u8);
+ pub fn puts(s: *const i8) -> i32;
pub fn printf(format: *const i8, ...) -> i32;
pub fn malloc(size: usize) -> *mut u8;
pub fn free(ptr: *mut u8);
pub macro cfg() { /* compiler built-in */ }
pub static A_STATIC: u8 = 42;
+
+#[lang = "panic_location"]
+struct PanicLocation {
+ file: &'static str,
+ line: u32,
+ column: u32,
+}
+
+#[no_mangle]
+pub fn get_tls() -> u8 {
+ #[thread_local]
+ static A: u8 = 42;
+
+ A
+}