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This change creates a new Docker image, "dist-x86_64-illumos", and sets
things up to build the full set of "dist" packages for illumos hosts, so
that illumos users can use "rustup" to install packages. It also
adjusts the manifest builder to expect complete toolchains for this
platform.
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it's not been built since a long time ago
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Co-Authored-By: Jason King <jason.brian.king@gmail.com>
Co-Authored-By: Joshua M. Clulow <jmc@oxide.computer>
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This patch enables building of rust-std for the aarch64 bare-metal targets.
For the compiler intrinsics, it fetches the AArch64 bare-metal target
(aarch64-none-elf) GCC for the A-profile provided by ARM itself from
https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads
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add bare metal ARM Cortex-A targets to rustc
-> `rustc --target armv7a-none-eabi` will work
also build rust-std (rustup) components for them
-> `rustup target add armv7a-none-eabi` will work
this completes our bare-metal support of ARMv7 cores on stable Rust (by 1.42 or 1.43)
(these target specifications have been tested on a real (no emulation / QEMU) [Cortex-A7 core](https://github.com/iqlusioninc/usbarmory.rs/))
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it needs some upstream changes in the build script of the compiler-builtins
crate
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Missed in #68037
r? @alexcrichton
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-> `rustc --target armv7-none-eabi` will work
also build rust-std (rustup) components for them
-> `rustup target add armv7-none-eabi` will work
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It was already filtered from other branches, but we only kept it in
nightly's default to ease the transition. Now that the separation of
rust-std/rustc-dev has reached the 1.40 release, it seems like a good
time for that transition to end.
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Enable dist for MIPS64 musl targets
Continuing work in #63165, necessary libc changes are in place and published so here we go!
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This splits out a rustc-dev component with the compiler crates, and
keeps the status quo of default installed files on nightly. The default
changing to not install compiler libraries by default is left for a
future pull request.
However, on stable and beta, this does remove the compiler libraries
from the set of libraries installed by default, as they are never needed
there (per our stability story, they "cannot" be used).
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This reverts commit 000d90b11f7be70ffb7812680f7abc6deb52ec88, reversing
changes made to 898f36c83cc28d7921a1d7b3605323dc5cfcf533.
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- the old interface between HermitCore and the Rust Standard Library
based on a small C library (newlib)
- remove this interface and call directly the unikernel
- remove the dependency to the HermitCore linker
- use rust-lld as linker
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This reverts commit 7975973e2b806a7ee8e54b40f9e774528a777e31, reversing
changes made to f0320e54c7c2c923e2e05996ac1d74f781115bbc.
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Just removing an old/duplicated dependency from the workspace.
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Support for the targets in the compiler and std build in the CI.
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rustbuild
Remove some random unnecessary lint `allow`s
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Omit the vendor component in the WASI triple
This renames wasm32-unknown-wasi to wasm32-wasi, omitting the vendor
component. This follows aarch64-linux-android, x86_64-fuchsia, and others in
omitting the vendor field, which has the advantage of aligning with the
[multiarch tuple](https://wiki.debian.org/Multiarch/Tuples), and of being
less noisy.
r? @alexcrichton
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This renames wasm32-unknown-wasi to wasm32-wasi, omitting the vendor
component. This follows aarch64-linux-android, x86_64-fuchsia, and others in
omitting the vendor field, which has the advantage of aligning with the
[multiarch tuple](https://wiki.debian.org/Multiarch/Tuples), and of being
less noisy.
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This commit adds the Armv8-M Baseline and Armv8-M Mainline with
FPU targets in the list of targets that
get their dist components built. It also update the build-manifest
so that this target gets also its dist components uploaded.
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manifest: only include miri on the nightly channel
miri needs to build std with xargo, which doesn't allow stable/beta:
<https://github.com/japaric/xargo/pull/204#issuecomment-374888868>
Therefore, at this time there's no point in making miri available on any
but the nightly channel. If we get a stable way to build `std`, like
[RFC 2663], then we can re-evaluate whether to start including miri,
perhaps still as `miri-preview`.
[RFC 2663]: https://github.com/rust-lang/rfcs/pull/2663
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miri needs to build std with xargo, which doesn't allow stable/beta:
<https://github.com/japaric/xargo/pull/204#issuecomment-374888868>
Therefore, at this time there's no point in making miri available on any
but the nightly channel. If we get a stable way to build `std`, like
[RFC 2663], then we can re-evaluate whether to start including miri,
perhaps still as `miri-preview`.
[RFC 2663]: https://github.com/rust-lang/rfcs/pull/2663
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This commit adds a new wasm32-based target distributed through rustup,
supported in the standard library, and implemented in the compiler. The
`wasm32-unknown-wasi` target is intended to be a WebAssembly target
which matches the [WASI proposal recently announced.][LINK]. In summary
the WASI target is an effort to define a standard set of syscalls for
WebAssembly modules, allowing WebAssembly modules to not only be
portable across architectures but also be portable across environments
implementing this standard set of system calls.
The wasi target in libstd is still somewhat bare bones. This PR does not
fill out the filesystem, networking, threads, etc. Instead it only
provides the most basic of integration with the wasi syscalls, enabling
features like:
* `Instant::now` and `SystemTime::now` work
* `env::args` is hooked up
* `env::vars` will look up environment variables
* `println!` will print to standard out
* `process::{exit, abort}` should be hooked up appropriately
None of these APIs can work natively on the `wasm32-unknown-unknown`
target, but with the assumption of the WASI set of syscalls we're able
to provide implementations of these syscalls that engines can implement.
Currently the primary engine implementing wasi is [wasmtime], but more
will surely emerge!
In terms of future development of libstd, I think this is something
we'll probably want to discuss. The purpose of the WASI target is to
provide a standardized set of syscalls, but it's *also* to provide a
standard C sysroot for compiling C/C++ programs. This means it's
intended that functions like `read` and `write` are implemented for this
target with a relatively standard definition and implementation. It's
unclear, therefore, how we want to expose file descriptors and how we'll
want to implement system primitives. For example should `std::fs::File`
have a libc-based file descriptor underneath it? The raw wasi file
descriptor? We'll see! Currently these details are all intentionally
hidden and things we can change over time.
A `WasiFd` sample struct was added to the standard library as part of
this commit, but it's not currently used. It shows how all the wasi
syscalls could be ergonomically bound in Rust, and they offer a possible
implementation of primitives like `std::fs::File` if we bind wasi file
descriptors exactly.
Apart from the standard library, there's also the matter of how this
target is integrated with respect to its C standard library. The
reference sysroot, for example, provides managment of standard unix file
descriptors and also standard APIs like `open` (as opposed to the
relative `openat` inspiration for the wasi ssycalls). Currently the
standard library relies on the C sysroot symbols for operations such as
environment management, process exit, and `read`/`write` of stdio fds.
We want these operations in Rust to be interoperable with C if they're
used in the same process. Put another way, if Rust and C are linked into
the same WebAssembly binary they should work together, but that requires
that the same C standard library is used.
We also, however, want the `wasm32-unknown-wasi` target to be
usable-by-default with the Rust compiler without requiring a separate
toolchain to get downloaded and configured. With that in mind, there's
two modes of operation for the `wasm32-unknown-wasi` target:
1. By default the C standard library is statically provided inside of
`liblibc.rlib` distributed as part of the sysroot. This means that
you can `rustc foo.wasm --target wasm32-unknown-unknown` and you're
good to go, a fully workable wasi binary pops out. This is
incompatible with linking in C code, however, which may be compiled
against a different sysroot than the Rust code was previously
compiled against. In this mode the default of `rust-lld` is used to
link binaries.
2. For linking with C code, the `-C target-feature=-crt-static` flag
needs to be passed. This takes inspiration from the musl target for
this flag, but the idea is that you're no longer using the provided
static C runtime, but rather one will be provided externally. This
flag is intended to also get coupled with an external `clang`
compiler configured with its own sysroot. Therefore you'll typically
use this flag with `-C linker=/path/to/clang-script-wrapper`. Using
this mode the Rust code will continue to reference standard C
symbols, but the definition will be pulled in by the linker configured.
Alright so that's all the current state of this PR. I suspect we'll
definitely want to discuss this before landing of course! This PR is
coupled with libc changes as well which I'll be posting shortly.
[LINK]:
[wasmtime]:
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It should fix installation via rustup and indicates it's not stable yet
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Refactor tools/build-mainfest
I saw some duplication in https://github.com/rust-lang/rust/pull/58990 and got an itch... Will likely need to be rebased when that lands. Hopefully the PR should have zero semantic changes...
r? @alexcrichton
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Add x86_64 musl host to the manifest
@alexcrichton r?
Probably too late for https://github.com/rust-lang/rust/pull/59207
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MIPS: add r6 support
MIPS r6 is quite different with the previous version.
It use some new target triples:
mipsisa32r6-unknown-linux-gnu
mipsisa32r6el-unknown-linux-gnu
mipsisa64r6-unknown-linux-gnuabi64
mipsisa64r6el-unknown-linux-gnuabi64
This patch has been tested with Debian Port for mips64r6el,
and the support of these triples also is included in llvm:
https://reviews.llvm.org/rGe58c45a695f39004710b6ce940d489fee800dbd3
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