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This allows a build system to indicate a location in its own dependency
specification files (eg Cargo's `Cargo.toml`) which can be reported
along side any unused crate dependency.
This supports several types of location:
- 'json' - provide some json-structured data, which is included in the json diagnostics
in a `tool_metadata` field
- 'raw' - emit the provided string into the output. This also appears as a json string in
`tool_metadata`.
If no `--extern-location` is explicitly provided then a default json entry of the form
`"tool_metadata":{"name":<cratename>,"path":<cratepath>}` is emitted.
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Enable 'task list' markdown extension
Closes https://github.com/rust-lang/rust/issues/71183.
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- Add documentation about task lists
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The cfg isn't actually necessary, since `--emit=metadata` does not
actually do enough validation for it to fail on any platform. However,
I feel a little more comfortable leaving it in.
Unhide the feature flag, since I think that is important to display.
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Also added dates for things that previously said "as of now" or "as of
this writing" and cleaned up a couple of things along the way.
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This tool looks for HTML comments like `<!-- date: 2021-01 -->` in each
Markdown source file and compiles a list of dates that are older than
six months. It then opens an issue with that list, with checkboxes for
each file and date. Note that it will only open an issue if there was at
least one date older than six months; it does nothing if the list is
empty.
This tool is automatically run monthly in a GitHub Actions workflow.
I have tested the tool on a private repo and confirmed that it works.
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Add a new ABI to support cmse_nonsecure_call
This adds support for the `cmse_nonsecure_call` feature to be able to perform non-secure function call.
See the discussion on Zulip [here](https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Support.20for.20callsite.20attributes/near/223054928).
This is a followup to #75810 which added `cmse_nonsecure_entry`. As for that PR, I assume that the changes are small enough to not have to go through a RFC but I don't mind doing one if needed 😃
I did not yet create a tracking issue, but if most of it is fine, I can create one and update the various files accordingly (they refer to the other tracking issue now).
On the Zulip chat, I believe `@jonas-schievink` volunteered to be a reviewer 💯
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Add AArch64 big-endian and ILP32 targets
This PR adds 3 new AArch64 targets:
- `aarch64_be-unknown-linux-gnu`
- `aarch64-unknown-linux-gnu_ilp32`
- `aarch64_be-unknown-linux-gnu_ilp32`
It also fixes some ABI issues on big-endian ARM and AArch64.
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This commit adds a new ABI to be selected via `extern
"C-cmse-nonsecure-call"` on function pointers in order for the compiler to
apply the corresponding cmse_nonsecure_call callsite attribute.
For Armv8-M targets supporting TrustZone-M, this will perform a
non-secure function call by saving, clearing and calling a non-secure
function pointer using the BLXNS instruction.
See the page on the unstable book for details.
Signed-off-by: Hugues de Valon <hugues.devalon@arm.com>
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* Move 'force-unstable-if-unmarked' to the bootstrapping chapter
* Document how to stabilize a library feature
Note that features can't be stabilized until they go through FCP and
that FCP happens on the tracking issue, not the PR.
* Fix wrong glob
By default `**` behaves the same as two `*` side by side, i.e. it only
globs file paths, not directories. `shopt -s globstar` needs to be set
for it to mean a directory. I didn't notice this before now because
`globstar` is set by default in interactive mode, but not otherwise.
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Remove const_in_array_repeat
Fixes #80371. Fixes #81315. Fixes #80767. Fixes #75682.
I thought there might be some issue with `Repeats(_, 0)`, but if you increase the items in the array it still ICEs. I'm not sure if this is the best fix but it does fix the given issue.
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rustc: Stabilize `-Zrun-dsymutil` as `-Csplit-debuginfo`
This commit adds a new stable codegen option to rustc,
`-Csplit-debuginfo`. The old `-Zrun-dsymutil` flag is deleted and now
subsumed by this stable flag. Additionally `-Zsplit-dwarf` is also
subsumed by this flag but still requires `-Zunstable-options` to
actually activate. The `-Csplit-debuginfo` flag takes one of
three values:
* `off` - This indicates that split-debuginfo from the final artifact is
not desired. This is not supported on Windows and is the default on
Unix platforms except macOS. On macOS this means that `dsymutil` is
not executed.
* `packed` - This means that debuginfo is desired in one location
separate from the main executable. This is the default on Windows
(`*.pdb`) and macOS (`*.dSYM`). On other Unix platforms this subsumes
`-Zsplit-dwarf=single` and produces a `*.dwp` file.
* `unpacked` - This means that debuginfo will be roughly equivalent to
object files, meaning that it's throughout the build directory
rather than in one location (often the fastest for local development).
This is not the default on any platform and is not supported on Windows.
Each target can indicate its own default preference for how debuginfo is
handled. Almost all platforms default to `off` except for Windows and
macOS which default to `packed` for historical reasons.
Some equivalencies for previous unstable flags with the new flags are:
* `-Zrun-dsymutil=yes` -> `-Csplit-debuginfo=packed`
* `-Zrun-dsymutil=no` -> `-Csplit-debuginfo=unpacked`
* `-Zsplit-dwarf=single` -> `-Csplit-debuginfo=packed`
* `-Zsplit-dwarf=split` -> `-Csplit-debuginfo=unpacked`
Note that `-Csplit-debuginfo` still requires `-Zunstable-options` for
non-macOS platforms since split-dwarf support was *just* implemented in
rustc.
There's some more rationale listed on #79361, but the main gist of the
motivation for this commit is that `dsymutil` can take quite a long time
to execute in debug builds and provides little benefit. This means that
incremental compile times appear that much worse on macOS because the
compiler is constantly running `dsymutil` over every single binary it
produces during `cargo build` (even build scripts!). Ideally rustc would
switch to not running `dsymutil` by default, but that's a problem left
to get tackled another day.
Closes #79361
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This commit adds a new stable codegen option to rustc,
`-Csplit-debuginfo`. The old `-Zrun-dsymutil` flag is deleted and now
subsumed by this stable flag. Additionally `-Zsplit-dwarf` is also
subsumed by this flag but still requires `-Zunstable-options` to
actually activate. The `-Csplit-debuginfo` flag takes one of
three values:
* `off` - This indicates that split-debuginfo from the final artifact is
not desired. This is not supported on Windows and is the default on
Unix platforms except macOS. On macOS this means that `dsymutil` is
not executed.
* `packed` - This means that debuginfo is desired in one location
separate from the main executable. This is the default on Windows
(`*.pdb`) and macOS (`*.dSYM`). On other Unix platforms this subsumes
`-Zsplit-dwarf=single` and produces a `*.dwp` file.
* `unpacked` - This means that debuginfo will be roughly equivalent to
object files, meaning that it's throughout the build directory
rather than in one location (often the fastest for local development).
This is not the default on any platform and is not supported on Windows.
Each target can indicate its own default preference for how debuginfo is
handled. Almost all platforms default to `off` except for Windows and
macOS which default to `packed` for historical reasons.
Some equivalencies for previous unstable flags with the new flags are:
* `-Zrun-dsymutil=yes` -> `-Csplit-debuginfo=packed`
* `-Zrun-dsymutil=no` -> `-Csplit-debuginfo=unpacked`
* `-Zsplit-dwarf=single` -> `-Csplit-debuginfo=packed`
* `-Zsplit-dwarf=split` -> `-Csplit-debuginfo=unpacked`
Note that `-Csplit-debuginfo` still requires `-Zunstable-options` for
non-macOS platforms since split-dwarf support was *just* implemented in
rustc.
There's some more rationale listed on #79361, but the main gist of the
motivation for this commit is that `dsymutil` can take quite a long time
to execute in debug builds and provides little benefit. This means that
incremental compile times appear that much worse on macOS because the
compiler is constantly running `dsymutil` over every single binary it
produces during `cargo build` (even build scripts!). Ideally rustc would
switch to not running `dsymutil` by default, but that's a problem left
to get tackled another day.
Closes #79361
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Update books
## nomicon
7 commits in a8584998eacdea7106a1dfafcbf6c1c06fcdf925..bbf06ad39d1f45654047e9596b750cc6e6d1b693
2021-01-06 12:49:49 -0500 to 2021-01-22 07:07:31 -0800
- Fix alloc link in exotic-sizes for local docs (rust-lang-nursery/nomicon#255)
- Remove TODO
- Fix small punctuation error
- Arc revisions (Clone atomic explanation) (pt2/3(+?))
- Fix Arc Clone
- Arc revisions (pt1/2(+?))
- Simple Arc implementation (without Weak refs)
## reference
5 commits in 50af691f838937c300b47812d0507c6d88c14f97..f02b09eb6e8af340ad1256a54adb7aae2ff3163e
2021-01-12 21:19:20 -0800 to 2021-01-22 01:53:02 -0800
- Fix missing space (rust-lang-nursery/reference#941)
- Start documenting name resolution. (rust-lang-nursery/reference#937)
- Fix plural and delete spurious words in comparison ops (rust-lang-nursery/reference#932)
- Document execution order (rust-lang-nursery/reference#888)
- Compound operator expressions (rust-lang-nursery/reference#915)
## book
3 commits in ac57a0ddd23d173b26731ccf939f3ba729753275..e724bd826580ff95df48a8533af7dec1080693d4
2021-01-09 14:18:45 -0500 to 2021-01-20 08:19:49 -0600
- Fixes rust-lang/book#2417. Get the index from user input instead of a const. (rust-lang/book#2566)
- Turn off the playground in a bunch more lib.rs inclusions (rust-lang/book#2569)
- Merge pull request rust-lang/book#2567 from rust-lang/rust-1.49
## rust-by-example
1 commits in 03e23af01f0b4f83a3a513da280e1ca92587f2ec..f633769acef68574427a6fae6c06f13bc2199573
2021-01-09 10:20:28 -0300 to 2021-01-13 20:58:25 -0300
- Fixed styling on closure example (rust-lang/rust-by-example#1405)
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* Add link to promotion.md
* Improve link text
Co-authored-by: Camelid <camelidcamel@gmail.com>
Co-authored-by: Camelid <camelidcamel@gmail.com>
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`download-ci-llvm` is available and enabled by default for all tier 1
platforms, so there is no need to change it. Using system LLVM over CI
llvm is still supported, but is not recommended. Building LLVM from
source is still supported.
This also notes that you need to explicitly disable downloading LLVM
when updating the submodule.
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* Add mdbook-toc to travis, book.toml and documentation
* Add toc markers
* Whitespace cleanup and some punctuation
* Addressed comments
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- Only feature gate associated items
- Add docs to unstable book
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Update books
## nomicon
2 commits in a5a48441d411f61556b57d762b03d6874afe575d..a8584998eacdea7106a1dfafcbf6c1c06fcdf925
2020-12-06 10:39:41 +0900 to 2021-01-06 12:49:49 -0500
- Update vector code examples
- Remove outdated information about `jemalloc`
## reference
13 commits in b278478b766178491a8b6f67afa4bcd6b64d977a..50af691f838937c300b47812d0507c6d88c14f97
2020-12-21 18:18:03 -0800 to 2021-01-12 21:19:20 -0800
- Update grammar for parser unification. (rust-lang/reference#927)
- Define constraining an implementation (rust-lang/reference#928)
- Document extra behavior of #[no_mangle] (rust-lang/reference#930)
- Add a float examle without a `.`. (rust-lang/reference#929)
- Add more details about const generics. (rust-lang/reference#921)
- Fix footnotes. (rust-lang/reference#926)
- Add "Logic errors" as behavior not considered unsafe (rust-lang/reference#919)
- Update grammar for order of parameters/arguments. (rust-lang/reference#920)
- Fix formatting in the tuple section (rust-lang/reference#923)
- document const generics (rust-lang/reference#901)
- Update mdbook (rust-lang/reference#918)
- linkage.md: update link to FFI section of the Book. (rust-lang/reference#917)
- Document array expression with a const. (rust-lang/reference#914)
## book
8 commits in 5bb44f8b5b0aa105c8b22602e9b18800484afa21..ac57a0ddd23d173b26731ccf939f3ba729753275
2020-12-18 20:07:31 -0500 to 2021-01-09 14:18:45 -0500
- Update version of mdbook we're testing with to 0.4.5 (rust-lang/book#2561)
- Fix grammar in ch13-01-closures.md (rust-lang/book#2534)
- Merge remote-tracking branch 'origin/pr/2527'
- Clarify code example ch6.3 (rust-lang/book#2485)
- Fix link added in rust-lang/book#2495 to be relative and at the bottom
- Merge remote-tracking branch 'origin/pr/2495'
- Update output to match the updated poem punctuation
- Fix rust-lang/book#2539 - Remove fancy apostrophes from poem for Windows
## rust-by-example
3 commits in 1cce0737d6a7d3ceafb139b4a206861fb1dcb2ab..03e23af01f0b4f83a3a513da280e1ca92587f2ec
2020-12-21 17:36:29 -0300 to 2021-01-09 10:20:28 -0300
- Replace for loop with iteration (rust-lang/rust-by-example#1404)
- Update mdbook (rust-lang/rust-by-example#1402)
- Add note for match guards to include catch-all (rust-lang/rust-by-example#1401)
## embedded-book
1 commits in ba34b8a968f9531d38c4dc4411d5568b7c076bfe..ceec19e873be87c6ee5666b030c6bb612f889a96
2020-11-17 00:20:43 +0000 to 2021-01-03 13:13:10 +0000
- book.toml: add link to GitHub repo (rust-embedded/book#276)
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Co-authored-by: Camelid <camelidcamel@gmail.com>
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* Fixes #924 Add context to dated information
* Fixes #924 Addressed comments and some uses of 'currently'
* Update src/contributing.md
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
* Update src/salsa.md
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
* Fixes #924 Addressed comments
* Fixes #924 Fixed line lengths.
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
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Co-authored-by: Camelid <camelidcamel@gmail.com>
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* Update description of `src/`
* Note that `library/` also contains the Rust runtime
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