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remove support for rustc_safe_intrinsic attribute; use rustc_intrinsic functions instead

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This commit is contained in:
Ralf Jung 2024-11-07 08:59:43 +01:00
parent ba6a38495f
commit 00354ddaa6
1 changed files with 64 additions and 19 deletions
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83
example/mini_core.rs
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@ -616,25 +616,70 @@ pub union MaybeUninit<T> {
}
pub mod intrinsics {
extern "rust-intrinsic" {
#[rustc_safe_intrinsic]
pub fn abort() -> !;
#[rustc_safe_intrinsic]
pub fn size_of<T>() -> usize;
pub fn size_of_val<T: ?::Sized>(val: *const T) -> usize;
#[rustc_safe_intrinsic]
pub fn min_align_of<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 ctlz_nonzero<T>(x: T) -> u32;
#[rustc_safe_intrinsic]
pub fn needs_drop<T: ?::Sized>() -> bool;
#[rustc_safe_intrinsic]
pub fn bitreverse<T>(x: T) -> T;
#[rustc_safe_intrinsic]
pub fn bswap<T>(x: T) -> T;
pub fn write_bytes<T>(dst: *mut T, val: u8, count: usize);
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn abort() -> ! {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn size_of<T>() -> usize {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn size_of_val<T: ?::Sized>(_val: *const T) -> usize {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn min_align_of<T>() -> usize {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn min_align_of_val<T: ?::Sized>(_val: *const T) -> usize {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn copy<T>(_src: *const T, _dst: *mut T, _count: usize) {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn transmute<T, U>(_e: T) -> U {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn ctlz_nonzero<T>(_x: T) -> u32 {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn needs_drop<T: ?::Sized>() -> bool {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn bitreverse<T>(_x: T) -> T {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn bswap<T>(_x: T) -> T {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn write_bytes<T>(_dst: *mut T, _val: u8, _count: usize) {
loop {}
}
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn unreachable() -> ! {
loop {}
}
}