Add NuttX support for AArch64 and ARMv7-A targets #135757
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These commits modify compiler targets. Some changes occurred in src/doc/rustc/src/platform-support cc @Noratrieb |
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compiler/rustc_target/src/spec/targets/aarch64_unknown_nuttx.rs
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This patch adds tier 3 support for AArch64 and ARMv7-A targets in NuttX, including: - AArch64 target: aarch64-unknown-nuttx - ARMv7-A target: armv7a-nuttx-eabi, armv7a-nuttx-eabihf - Thumbv7-A target: thumbv7a-nuttx-eabi, thumbv7a-nuttx-eabihf Signed-off-by: Huang Qi <[email protected]>
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Summary: Please refer to rust-lang/rust#135757 - Updated the supported platforms list in the Rust guide to reflect that ARMv7-A and AArch64 are ready - Removed the "WIP" (Work In Progress) label from ARMv7-A and AArch64 in the supported platforms section Impact: - Provides accurate information to developers about the current state of Rust support for ARMv7-A and AArch64 platforms - Aligns the documentation with the latest developments in the Rust ecosystem - No functional changes to the codebase, only documentation updates Signed-off-by: Huang Qi <[email protected]>
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Summary: Please refer to rust-lang/rust#135757 - Updated the supported platforms list in the Rust guide to reflect that ARMv7-A and AArch64 are ready - Removed the "WIP" (Work In Progress) label from ARMv7-A and AArch64 in the supported platforms section Impact: - Provides accurate information to developers about the current state of Rust support for ARMv7-A and AArch64 platforms - Aligns the documentation with the latest developments in the Rust ecosystem - No functional changes to the codebase, only documentation updates Signed-off-by: Huang Qi <[email protected]>
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#133605 (Add extensive set of drop order tests) - rust-lang#135489 (remove pointless allowed_through_unstable_modules on TryFromSliceError) - rust-lang#135757 (Add NuttX support for AArch64 and ARMv7-A targets) - rust-lang#135799 (rustdoc-json: Rename `Path::name` to `path`, and give it the path again.) - rust-lang#135865 (For E0223, suggest associated functions that are similar to the path, even if the base type has multiple inherent impl blocks.) - rust-lang#135890 (Implement `VecDeque::pop_front_if` & `VecDeque::pop_back_if`) - rust-lang#135914 (Remove usages of `QueryNormalizer` in the compiler) - rust-lang#135936 (fix reify-intrinsic test) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#135757 - no1wudi:master, r=compiler-errors Add NuttX support for AArch64 and ARMv7-A targets This patch adds tier 3 support for AArch64 and ARMv7-A targets in NuttX, including: - AArch64 target: aarch64-unknown-nuttx - ARMv7-A target: armv7a-nuttx-eabi, armv7a-nuttx-eabihf - Thumbv7-A target: thumbv7a-nuttx-eabi, thumbv7a-nuttx-eabihf
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Summary: Please refer to rust-lang/rust#135757 - Updated the supported platforms list in the Rust guide to reflect that ARMv7-A and AArch64 are ready - Removed the "WIP" (Work In Progress) label from ARMv7-A and AArch64 in the supported platforms section Impact: - Provides accurate information to developers about the current state of Rust support for ARMv7-A and AArch64 platforms - Aligns the documentation with the latest developments in the Rust ecosystem - No functional changes to the codebase, only documentation updates Signed-off-by: Huang Qi <[email protected]>
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#133605 (Add extensive set of drop order tests) - rust-lang#135489 (remove pointless allowed_through_unstable_modules on TryFromSliceError) - rust-lang#135757 (Add NuttX support for AArch64 and ARMv7-A targets) - rust-lang#135799 (rustdoc-json: Rename `Path::name` to `path`, and give it the path again.) - rust-lang#135865 (For E0223, suggest associated functions that are similar to the path, even if the base type has multiple inherent impl blocks.) - rust-lang#135890 (Implement `VecDeque::pop_front_if` & `VecDeque::pop_back_if`) - rust-lang#135914 (Remove usages of `QueryNormalizer` in the compiler) - rust-lang#135936 (fix reify-intrinsic test) r? `@ghost` `@rustbot` modify labels: rollup
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Upstream changes relative to 1.85.1: Version 1.86.0 (2025-04-03) ========================== Language -------- - [Stabilize upcasting trait objects to supertraits.] (rust-lang/rust#134367) - [Allow safe functions to be marked with the `#[target_feature]` attribute.] (rust-lang/rust#134090) - [The `missing_abi` lint now warns-by-default.] (rust-lang/rust#132397) - Rust now lints about double negations, to catch cases that might have intended to be a prefix decrement operator (`--x`) as written in other languages. This was previously a clippy lint, `clippy::double_neg`, and is [now available directly in Rust as `double_negations`.] (rust-lang/rust#126604) - [More pointers are now detected as definitely not-null based on their alignment in const eval.] (rust-lang/rust#133700) - [Empty `repr()` attribute applied to invalid items are now correctly rejected.] (rust-lang/rust#133925) - [Inner attributes `#![test]` and `#![rustfmt::skip]` are no longer accepted in more places than intended.] (rust-lang/rust#134276) Compiler -------- - [Debug-assert that raw pointers are non-null on access.] (rust-lang/rust#134424) - [Change `-O` to mean `-C opt-level=3` instead of `-C opt-level=2` to match Cargo's defaults.] (rust-lang/rust#135439) - [Fix emission of `overflowing_literals` under certain macro environments.] (rust-lang/rust#136393) Platform Support ---------------- - [Replace `i686-unknown-redox` target with `i586-unknown-redox`.] (rust-lang/rust#136698) - [Increase baseline CPU of `i686-unknown-hurd-gnu` to Pentium 4.] (rust-lang/rust#136700) - New tier 3 targets: - [`{aarch64-unknown,x86_64-pc}-nto-qnx710_iosock`] (rust-lang/rust#133631). For supporting Neutrino QNX 7.1 with `io-socket` network stack. - [`{aarch64-unknown,x86_64-pc}-nto-qnx800`] (rust-lang/rust#133631). For supporting Neutrino QNX 8.0 (`no_std`-only). - [`{x86_64,i686}-win7-windows-gnu`] (rust-lang/rust#134609). Intended for backwards compatibility with Windows 7. `{x86_64,i686}-win7-windows-msvc` are the Windows MSVC counterparts that already exist as Tier 3 targets. - [`amdgcn-amd-amdhsa`](rust-lang/rust#134740). - [`x86_64-pc-cygwin`](rust-lang/rust#134999). - [`{mips,mipsel}-mti-none-elf`] (rust-lang/rust#135074). Initial bare-metal support. - [`m68k-unknown-none-elf`](rust-lang/rust#135085). - [`armv7a-nuttx-{eabi,eabihf}`, `aarch64-unknown-nuttx`, and `thumbv7a-nuttx-{eabi,eabihf}`] (rust-lang/rust#135757). Refer to Rust's [platform support page][platform-support-doc] for more information on Rust's tiered platform support. Libraries --------- - The type of `FromBytesWithNulError` in `CStr::from_bytes_with_nul(bytes: &[u8]) -> Result<&Self, FromBytesWithNulError>` was [changed from an opaque struct to an enum] (rust-lang/rust#134143), allowing users to examine why the conversion failed. - [Remove `RustcDecodable` and `RustcEncodable`.] (rust-lang/rust#134272) - [Deprecate libtest's `--logfile` option.] (rust-lang/rust#134283) - [On recent versions of Windows, `std::fs::remove_file` will now remove read-only files.] (rust-lang/rust#134679) Stabilized APIs --------------- - [`{float}::next_down`] (https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_down) - [`{float}::next_up`] (https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_up) - [`<[_]>::get_disjoint_mut`] (https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_mut) - [`<[_]>::get_disjoint_unchecked_mut`] (https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_unchecked_mut) - [`slice::GetDisjointMutError`] (https://doc.rust-lang.org/stable/std/slice/enum.GetDisjointMutError.html) - [`HashMap::get_disjoint_mut`] (https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_mut) - [`HashMap::get_disjoint_unchecked_mut`] (https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_unchecked_mut) - [`NonZero::count_ones`] (https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.count_ones) - [`Vec::pop_if`] (https://doc.rust-lang.org/std/vec/struct.Vec.html#method.pop_if) - [`sync::Once::wait`] (https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait) - [`sync::Once::wait_force`] (https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait_force) - [`sync::OnceLock::wait`] (https://doc.rust-lang.org/stable/std/sync/struct.OnceLock.html#method.wait) These APIs are now stable in const contexts: - [`hint::black_box`] (https://doc.rust-lang.org/stable/std/hint/fn.black_box.html) - [`io::Cursor::get_mut`] (https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.get_mut) - [`io::Cursor::set_position`] (https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.set_position) - [`str::is_char_boundary`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.is_char_boundary) - [`str::split_at`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at) - [`str::split_at_checked`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_checked) - [`str::split_at_mut`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut) - [`str::split_at_mut_checked`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut_checked) Cargo ----- - [When merging, replace rather than combine configuration keys that refer to a program path and its arguments.] (rust-lang/cargo#15066) - [Error if both `--package` and `--workspace` are passed but the requested package is missing.] (rust-lang/cargo#15071) This was previously silently ignored, which was considered a bug since missing packages should be reported. - [Deprecate the token argument in `cargo login` to avoid shell history leaks.] (rust-lang/cargo#15057) - [Simplify the implementation of `SourceID` comparisons.] (rust-lang/cargo#14980) This may potentially change behavior if the canonicalized URL compares differently in alternative registries. Rustdoc ----- - [Add a sans-serif font setting.] (rust-lang/rust#133636) Compatibility Notes ------------------- - [The `wasm_c_abi` future compatibility warning is now a hard error.] (rust-lang/rust#133951) Users of `wasm-bindgen` should upgrade to at least version 0.2.89, otherwise compilation will fail. - [Remove long-deprecated no-op attributes `#![no_start]` and `#![crate_id]`.] (rust-lang/rust#134300) - [The future incompatibility lint `cenum_impl_drop_cast` has been made into a hard error.] (rust-lang/rust#135964) This means it is now an error to cast a field-less enum to an integer if the enum implements `Drop`. - [SSE2 is now required for "i686" 32-bit x86 hard-float targets; disabling it causes a warning that will become a hard error eventually.] (rust-lang/rust#137037) To compile for pre-SSE2 32-bit x86, use a "i586" target instead. Internal Changes ---------------- These changes do not affect any public interfaces of Rust, but they represent significant improvements to the performance or internals of rustc and related tools. - [Build the rustc on AArch64 Linux with ThinLTO + PGO.] (rust-lang/rust#133807) The ARM 64-bit compiler (AArch64) on Linux is now optimized with ThinLTO and PGO, similar to the optimizations we have already performed for the x86-64 compiler on Linux. This should make it up to 30% faster.
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This patch adds tier 3 support for AArch64 and ARMv7-A targets in NuttX, including: