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Android: Added syscall support
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Add option for generating coverage reports
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Add a `--coverage` option in the `test` subcommand of the miri script.
This option, when set, will generate a coverage report after running the
tests.
`cargo-binutils` is needed as a dependency to generate the reports.
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Implement LLVM x86 vpclmulqdq intrinsics
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fix error returned from readdir_r when isolation is enabled, and uses of raw_os_error
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indicate more explicitly where we close host file/dir handles
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CI workflow: tweak conclusion job
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Switch CI to merge queues
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epoll_ctl: throw unsupported error on unsupported opcode
`@tiif` this is a somewhat suspicious "return -1" without setting the `errno` -- what is the reasoning behind that?
Throwing a clear error seems better to me.
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stabilize Strict Provenance and Exposed Provenance APIs
Given that [RFC 3559](https://rust-lang.github.io/rfcs/3559-rust-has-provenance.html) has been accepted, t-lang has approved the concept of provenance to exist in the language. So I think it's time that we stabilize the strict provenance and exposed provenance APIs, and discuss provenance explicitly in the docs:
```rust
// core::ptr
pub const fn without_provenance<T>(addr: usize) -> *const T;
pub const fn dangling<T>() -> *const T;
pub const fn without_provenance_mut<T>(addr: usize) -> *mut T;
pub const fn dangling_mut<T>() -> *mut T;
pub fn with_exposed_provenance<T>(addr: usize) -> *const T;
pub fn with_exposed_provenance_mut<T>(addr: usize) -> *mut T;
impl<T: ?Sized> *const T {
pub fn addr(self) -> usize;
pub fn expose_provenance(self) -> usize;
pub fn with_addr(self, addr: usize) -> Self;
pub fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
}
impl<T: ?Sized> *mut T {
pub fn addr(self) -> usize;
pub fn expose_provenance(self) -> usize;
pub fn with_addr(self, addr: usize) -> Self;
pub fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
}
impl<T: ?Sized> NonNull<T> {
pub fn addr(self) -> NonZero<usize>;
pub fn with_addr(self, addr: NonZero<usize>) -> Self;
pub fn map_addr(self, f: impl FnOnce(NonZero<usize>) -> NonZero<usize>) -> Self;
}
```
I also did a pass over the docs to adjust them, because this is no longer an "experiment". The `ptr` docs now discuss the concept of provenance in general, and then they go into the two families of APIs for dealing with provenance: Strict Provenance and Exposed Provenance. I removed the discussion of how pointers also have an associated "address space" -- that is not actually tracked in the pointer value, it is tracked in the type, so IMO it just distracts from the core point of provenance. I also adjusted the docs for `with_exposed_provenance` to make it clear that we cannot guarantee much about this function, it's all best-effort.
There are two unstable lints associated with the strict_provenance feature gate; I moved them to a new [strict_provenance_lints](https://github.com/rust-lang/rust/issues/130351) feature since I didn't want this PR to have an even bigger FCP. ;)
`@rust-lang/opsem` Would be great to get some feedback on the docs here. :)
Nominating for `@rust-lang/libs-api.`
Part of https://github.com/rust-lang/rust/issues/95228.
[FCP comment](https://github.com/rust-lang/rust/pull/130350#issuecomment-2395114536)
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Android: Added support for prctl handling thread names
Addresses the first part of #3618.
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Replace set_last_error with set_last_error_and_return
Took care of the simple patterns. Other patterns involved setting an error and then using `write_int` or setting metadata and returning -1. Unsure if those are in the scope of this change
Looks like this has conflicts with #3779, so I can update when how to handle that is decided.
Part of https://github.com/rust-lang/miri/issues/3930.
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Add `set_last_error_and_return_i64`, change calls from
`this.libc_eval` to `LibcError`, and replace pairs of
`set_last_error` and returning values of the right type
with the new helper functions
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Continue to get rid of `ty::Const::{try_}eval*`
This PR mostly does:
* Removes all of the `try_eval_*` and `eval_*` helpers from `ty::Const`, and replace their usages with `try_to_*`.
* Remove `ty::Const::eval`.
* Rename `ty::Const::normalize` to `ty::Const::normalize_internal`. This function is still used in the normalization code itself.
* Fix some weirdness around the `TransmuteFrom` goal.
I'm happy to split it out further; for example, I could probably land the first part which removes the helpers, or the changes to codegen which are more obvious than the changes to tools.
r? BoxyUwU
Part of https://github.com/rust-lang/rust/issues/130704
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Rounding intrinsics are now implemented for `f16` and `f128` and tests for `is_infinite`, NaN, `abs`, `copysign`, `min`, `max`, rounding, `*_fast` and `*_algebraic` have been added.
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rename RcBox to RcInner for consistency
Arc uses ArcInner too (created in collaboration with `@aDotInTheVoid` and `@WaffleLapkin` )
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Make some float methods unstable `const fn`
Some float methods are now `const fn` under the `const_float_methods` feature gate.
I also made some unstable methods `const fn`, keeping their constness under their respective feature gate.
In order to support `min`, `max`, `abs` and `copysign`, the implementation of some intrinsics had to be moved from Miri to rustc_const_eval (cc `@RalfJung).`
Tracking issue: https://github.com/rust-lang/rust/issues/130843
```rust
impl <float> {
// #[feature(const_float_methods)]
pub const fn recip(self) -> Self;
pub const fn to_degrees(self) -> Self;
pub const fn to_radians(self) -> Self;
pub const fn max(self, other: Self) -> Self;
pub const fn min(self, other: Self) -> Self;
pub const fn clamp(self, min: Self, max: Self) -> Self;
pub const fn abs(self) -> Self;
pub const fn signum(self) -> Self;
pub const fn copysign(self, sign: Self) -> Self;
// #[feature(float_minimum_maximum)]
pub const fn maximum(self, other: Self) -> Self;
pub const fn minimum(self, other: Self) -> Self;
// Only f16/f128 (f32/f64 already const)
pub const fn is_sign_positive(self) -> bool;
pub const fn is_sign_negative(self) -> bool;
pub const fn next_up(self) -> Self;
pub const fn next_down(self) -> Self;
}
```
r? libs-api
try-job: dist-s390x-linux
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Some float methods are now `const fn` under the `const_float_methods` feature gate.
In order to support `min`, `max`, `abs` and `copysign`, the implementation of some intrinsics had to be moved from Miri to rustc_const_eval.
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