bjoernager/rust
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Merge commit '39683d8eb7' into sync_cg_gcc-2022-03-26

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bjorn3 2022-03-26 18:29:37 +01:00
commit bbff48e094
35 changed files with 1705 additions and 558 deletions
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20
compiler/rustc_codegen_gcc/example/mini_core.rs
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@ -14,6 +14,9 @@ unsafe extern "C" fn _Unwind_Resume() {
#[lang = "sized"]
pub trait Sized {}
#[lang = "destruct"]
pub trait Destruct {}
#[lang = "unsize"]
pub trait Unsize<T: ?Sized> {}
@ -59,6 +62,7 @@ unsafe impl Copy for i16 {}
unsafe impl Copy for i32 {}
unsafe impl Copy for isize {}
unsafe impl Copy for f32 {}
unsafe impl Copy for f64 {}
unsafe impl Copy for char {}
unsafe impl<'a, T: ?Sized> Copy for &'a T {}
unsafe impl<T: ?Sized> Copy for *const T {}
@ -443,12 +447,22 @@ pub trait Deref {
fn deref(&self) -> &Self::Target;
}
pub trait Allocator {
}
pub struct Global;
impl Allocator for Global {}
#[lang = "owned_box"]
pub struct Box<T: ?Sized>(*mut T);
pub struct Box<
T: ?Sized,
A: Allocator = Global,
>(*mut T, A);
impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Box<U>> for Box<T> {}
impl<T: ?Sized> Drop for Box<T> {
impl<T: ?Sized, A: Allocator> Drop for Box<T, A> {
fn drop(&mut self) {
// drop is currently performed by compiler.
}
@ -468,7 +482,7 @@ unsafe fn allocate(size: usize, _align: usize) -> *mut u8 {
}
#[lang = "box_free"]
unsafe fn box_free<T: ?Sized>(ptr: *mut T) {
unsafe fn box_free<T: ?Sized, A: Allocator>(ptr: *mut T, alloc: A) {
libc::free(ptr as *mut u8);
}