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- make liblibc to point to libc with aarch64-unknown-openbsd
- make c_char (in std::os::raw) to point to right value
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This commit alters how we compile LLVM by default enabling the WebAssembly
backend. This then also adds the wasm32-unknown-unknown target to get compiled
on the `cross` builder and distributed through rustup. Tests are not yet enabled
for this target but that should hopefully be coming soon!
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This commit adds the needed modifications to compile the std crate
for the L4 Runtime environment (L4Re).
A target for the L4Re was introduced in commit:
c151220a84e40b65e45308cc0f3bbea4466d3acf
In many aspects implementations for linux also apply for the L4Re
microkernel.
Two uncommon characteristics had to be resolved:
* L4Re has no network funktionality
* L4Re has a maximum stacksize of 1Mb for threads
Co-authored-by: Sebastian Humenda <sebastian.humenda@tu-dresden.de>
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* Match definition of c_char in os/raw.rs with the libc definition
Due to historic reasons, os/raw.rs redefines types for c_char from
libc, but these didn't match. Now they do :).
* Enable signal reset on exec for L4Re
L4Re has full signal emulation and hence it needs to reset the
signal set of the child with sigemptyset. However, gid and uid
should *not* be set.
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Brings in a few fixes for wasm/asmjs
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The old type causes failures when building cargo 0.20.0 after
changeset 8304e06b5 in the libc repo.
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As of last year with version 'Sierra', the Mac operating system is now
called 'macOS'.
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The versions show up in rustdoc.
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Part of https://github.com/rust-lang/rust/issues/31869.
Also turn on the `missing_debug_implementations` lint at the crate
level.
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This patch adds support for the aarch64-unknown-fuchsia target. Also
updates src/liblibc submodule to include required libc change.
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Also trim os::fuchsia::raw architectures.
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Adds support for the x86_64-unknown-fuchsia target, which covers the
Fuchsia operating system.
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* Hand rebased from Niels original work on 1.9.0
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This adds support for building the Rust compiler and standard
library for s390x-linux, allowing a full cross-bootstrap sequence
to complete. This includes:
- Makefile/configure changes to allow native s390x builds
- Full Rust compiler support for the s390x C ABI
(only the non-vector ABI is supported at this point)
- Port of the standard library to s390x
- Update the liblibc submodule to a version including s390x support
- Testsuite fixes to allow clean "make check" on s390x
Caveats:
- Resets base cpu to "z10" to bring support in sync with the default
behaviour of other compilers on the platforms. (Usually, upstream
supports all older processors; a distribution build may then chose
to require a more recent base version.) (Also, using zEC12 causes
failures in the valgrind tests since valgrind doesn't fully support
this CPU yet.)
- z13 vector ABI is not yet supported. To ensure compatible code
generation, the -vector feature is passed to LLVM. Note that this
means that even when compiling for z13, no vector instructions
will be used. In the future, support for the vector ABI should be
added (this will require common code support for different ABIs
that need different data_layout strings on the same platform).
- Two test cases are (temporarily) ignored on s390x to allow passing
the test suite. The underlying issues still need to be fixed:
* debuginfo/simd.rs fails because of incorrect debug information.
This seems to be a LLVM bug (also seen with C code).
* run-pass/union/union-basic.rs simply seems to be incorrect for
all big-endian platforms.
Signed-off-by: Ulrich Weigand <ulrich.weigand@de.ibm.com>
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* Remove the deprecated `CharRange` type which was forgotten to be removed
awhile back.
* Stabilize the `os::$platform::raw::pthread_t` type which was intended to be
stabilized as part of #32804
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Following changes:
* birthtime does not exist on DragonFly
* errno: __dfly_error is no more. Use #[thread_local] static errno.
* clock_gettime expects a c_ulong (use a type alias)
These changes are required to build DragonFly snapshots again.
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Fix building libstd on emscripten targets.
The main cause of the problem is that libstd/os/mod.rs treats emscripten targets as an alias of linux targets, whereas liblibc treats emscripten targets as musl-compliant, so it gets a slightly different struct stat64 defined.
This commit adds conditional compilation checks to use the correct timestamp format on fs metadata functions in the case of compiling to emscripten targets.
This commit also depends needs https://github.com/ashleysommer/rust/commit/f1575cff2d631e977038fdba3fa3422ba5f8f2fe applied in order to successfully build libstd with emscripten target.
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Squashed 10 commits:
1) The main cause of the problem is that libstd/os/mod.rs treats emscripten targets as an alias of linux targets, whereas liblibc treats emscripten targets as musl-compliant, so it gets a slightly different struct stat64 defined.
This commit adds conditional compilation checks to use the correct timestamp format on fs metadata functions in the case of compiling to emscripten targets.
2) Update previous commit to comply with rust formatting standards.
Removed tab characters, remove trailing whitespaces.
3) Move emscripten changes into their own file under libstd/os/emscripten
Put libstd/os/linux/fs back to the way it was.
4) Cannot use stat.st_ctim on emscripten to get created time.
5) Remove compile-time conditionals for target_env = musl, it looks like musl builds compile fine already.
6) Undone some formatting changes that are no longer needed,
Removed some more target_env="musl" compilation checks that I missed from my previous commit.
7) upgrade to liblibc e19309c, it fixes the differences in the musl stat and stat64 definitions.
8) Undo the compile-time checks to check for emscripten (or musl targets) in the FileAttr struct.
No longer needed after updating liblibc to e19309c.
9) Change the MetadataExt implementation of emscripten fs.rs module to match the changes in new liblibc.
10) remove a stray return statement, should have been removed in the previous commit.
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Fixes #9447
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A quick fix for several issues that break a Solaris/Illumos build.
Also, adds a CPU target specification (as seen in a patch for OpenBSD #31727).
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Some struct members have a slighty different name on NetBSD. This has been
fixed in the libc crate, but not in libstd.
This also removes `st_spare` from MetadataExt, since it is private field
reserved for future use.
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this fixes a small compile error when building for netbsd.
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reproduces the padding found here:
https://svnweb.freebsd.org/base/release/10.1.0/sys/sys/stat.h?view=markup#l139
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This becomes less relevant for dragonfly a i686 support is dropped since
release 40, but using long allows some compatibility for older versions.
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remove unused import that cause an error at compile-time.
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This commit is an implementation of [RFC 1415][rfc] which deprecates all types
in the `std::os::*::raw` modules.
[rfc]: https://github.com/rust-lang/rfcs/blob/master/text/1415-trim-std-os.md
Many of the types in these modules don't actually have a canonical platform
representation, for example the definition of `stat` on 32-bit Linux will change
depending on whether C code is compiled with LFS support or not. Unfortunately
the current types in `std::os::*::raw` are billed as "compatible with C", which
in light of this means it isn't really possible.
To make matters worse, platforms like Android sometimes define these types as
*smaller* than the way they're actually represented in the `stat` structure
itself. This means that when methods like `DirEntry::ino` are called on Android
the result may be truncated as we're tied to returning a `ino_t` type, not the
underlying type.
The commit here incorporates two backwards-compatible components:
* Deprecate all `raw` types that aren't in `std::os::raw`
* Expand the `std::os::*::fs::MetadataExt` trait on all platforms for method
accessors of all fields. The fields now returned widened types which are the
same across platforms (consistency across platforms is not required, however,
it's just convenient).
and two also backwards-incompatible components:
* Change the definition of all `std::os::*::raw` type aliases to
correspond to the newly widened types that are being returned on each
platform.
* Change the definition of `std::os::*::raw::stat` on Linux to match the LFS
definitions rather than the standard ones.
The breaking changes here will specifically break code that assumes that `libc`
and `std` agree on the definition of `std::os::*::raw` types, or that the `std`
types are faithful representations of the types in C. An [audit] has been
performed of crates.io to determine the fallout which was determined two be
minimal, with the two found cases of breakage having been fixed now.
[audit]: https://github.com/rust-lang/rfcs/pull/1415#issuecomment-180645582
---
Ok, so after all that, we're finally able to support LFS on Linux! This commit
then simultaneously starts using `stat64` and friends on Linux to ensure that we
can open >4GB files on 32-bit Linux. Yay!
Closes #28978
Closes #30050
Closes #31549
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Backtraces, and the compilation of libbacktrace for asmjs, are disabled.
This port doesn't use jemalloc so, like pnacl, it disables jemalloc *for all targets*
in the configure file.
It disables stack protection.
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This pull request adds support for [Illumos](http://illumos.org/)-based operating systems: SmartOS, OpenIndiana, and others. For now it's x86-64 only, as I'm not sure if 32-bit installations are widespread. This PR is based on #28589 by @potatosalad, and also closes #21000, #25845, and #25846.
Required changes in libc are already merged: https://github.com/rust-lang-nursery/libc/pull/138
Here's a snapshot required to build a stage0 compiler:
https://s3-eu-west-1.amazonaws.com/nbaksalyar/rustc-sunos-snapshot.tar.gz
It passes all checks from `make check`.
There are some changes I'm not quite sure about, e.g. macro usage in `src/libstd/num/f64.rs` and `DirEntry` structure in `src/libstd/sys/unix/fs.rs`, so any comments on how to rewrite it better would be greatly appreciated.
Also, LLVM configure script might need to be patched to build it successfully, or a pre-built libLLVM should be used. Some details can be found here: https://llvm.org/bugs/show_bug.cgi?id=25409
Thanks!
r? @brson
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Currently the `mipsel-unknown-linux-gnu` target doesn't actually set the
`target_arch` value to `mipsel` but it rather uses `mips`. Alternatively the
`powerpc64le` target does indeed set the `target_arch` as `powerpc64le`,
causing a bit of inconsistency between theset two.
As these are just the same instance of one instruction set, let's use
`target_endian` to switch between them and only set the `target_arch` as one
value. This should cut down on the number of `#[cfg]` annotations necessary and
all around be a little more ergonomic.
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Currently the `mipsel-unknown-linux-gnu` target doesn't actually set the
`target_arch` value to `mipsel` but it rather uses `mips`. Alternatively the
`powerpc64le` target does indeed set the `target_arch` as `powerpc64le`,
causing a bit of inconsistency between theset two.
As these are just the same instance of one instruction set, let's use
`target_endian` to switch between them and only set the `target_arch` as one
value. This should cut down on the number of `#[cfg]` annotations necessary and
all around be a little more ergonomic.
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