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Add architectures to fn create_object_file
Fixes #102290
r? `@petrochenkov`
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Get rid of native_library projection queries
They don't seem particularly useful as I don't expect native libraries to change frequently.
Maybe they do provide significant value of keeping incremental compilation green though, I'm not sure.
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linker: Fix weak lang item linking with combination windows-gnu + LLD + LTO
In https://github.com/rust-lang/rust/pull/100404 this logic was originally disabled for MSVC due to issues with LTO, but the same issues appear on windows-gnu with LLD because that LLD uses the same underlying logic as MSVC LLD, just with re-syntaxed command line options.
So this PR just disables it for LTO builds in general.
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They don't seem particularly useful as I don't expect
native libraries to change frequently.
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The illumos linker does not support --strip-debug
When building and testing rust 1.64.0 on illumos, we saw a large number of failing tests associated with:
```
= note: ld: fatal: unrecognized option '--strip-debug'
ld: fatal: use the -z help option for usage information
collect2: error: ld returned 1 exit status
```
The illumos linker does not support the `--strip-debug` option (although it does support `--strip-all`).
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translation: eager translation
Part of #100717. See [Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/336883-i18n/topic/.23100717.20lists!/near/295010720) for additional context.
- **Store diagnostic arguments in a `HashMap`**: Eager translation will enable subdiagnostics to be translated multiple times with different arguments - this requires the ability to replace the value of one argument with a new value, which is better suited to a `HashMap` than the previous storage, a `Vec`.
- **Add `AddToDiagnostic::add_to_diagnostic_with`**: `AddToDiagnostic::add_to_diagnostic_with` is similar to the previous `AddToDiagnostic::add_to_diagnostic` but takes a function that can be used by the caller to modify diagnostic messages originating from the subdiagnostic (such as performing translation eagerly). `add_to_diagnostic` now just calls `add_to_diagnostic_with` with an empty closure.
- **Add `DiagnosticMessage::Eager`**: Add variant of `DiagnosticMessage` for eagerly translated messages
(messages in the target language which don't need translated by the emitter during emission). Also adds `eager_subdiagnostic` function which is intended to be invoked by the diagnostic derive for subdiagnostic fields which are marked as needing eager translation.
- **Support `#[subdiagnostic(eager)]`**: Add support for `eager` argument to the `subdiagnostic` attribute which generates a call to `eager_subdiagnostic`.
- **Finish migrating `rustc_query_system`**: Using eager translation, migrate the remaining repeated cycle stack diagnostic.
- **Split formatting initialization and use in diagnostic derives**: Diagnostic derives have previously had to take special care when ordering the generated code so that fields were not used after a move.
This is unlikely for most fields because a field is either annotated with a subdiagnostic attribute and is thus likely a `Span` and copiable, or is a argument, in which case it is only used once by `set_arg`
anyway.
However, format strings for code in suggestions can result in fields being used after being moved if not ordered carefully. As a result, the derive currently puts `set_arg` calls last (just before emission), such as:
let diag = { /* create diagnostic */ };
diag.span_suggestion_with_style(
span,
fluent::crate::slug,
format!("{}", __binding_0),
Applicability::Unknown,
SuggestionStyle::ShowAlways
);
/* + other subdiagnostic additions */
diag.set_arg("foo", __binding_0);
/* + other `set_arg` calls */
diag.emit();
For eager translation, this doesn't work, as the message being translated eagerly can assume that all arguments are available - so arguments _must_ be set first.
Format strings for suggestion code are now separated into two parts - an initialization line that performs the formatting into a variable, and a usage in the subdiagnostic addition.
By separating these parts, the initialization can happen before arguments are set, preserving the desired order so that code compiles, while still enabling arguments to be set before subdiagnostics are added.
let diag = { /* create diagnostic */ };
let __code_0 = format!("{}", __binding_0);
/* + other formatting */
diag.set_arg("foo", __binding_0);
/* + other `set_arg` calls */
diag.span_suggestion_with_style(
span,
fluent::crate::slug,
__code_0,
Applicability::Unknown,
SuggestionStyle::ShowAlways
);
/* + other subdiagnostic additions */
diag.emit();
- **Remove field ordering logic in diagnostic derive:** Following the approach taken in earlier commits to separate formatting initialization from use in the subdiagnostic derive, simplify the diagnostic derive by removing the field-ordering logic that previously solved this problem.
r? ```@compiler-errors```
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Eager translation will enable subdiagnostics to be translated multiple
times with different arguments - this requires the ability to replace
the value of one argument with a new value, which is better suited to a
`HashMap` than the previous storage, a `Vec`.
Signed-off-by: David Wood <david.wood@huawei.com>
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- UPDATE - revert migration of logs
- UPDATE - use derive on LinkRlibError enum
- [Gardening] UPDATE - alphabetically sort fluent_messages
- UPDATE - use PathBuf and unify both AddNativeLibrary to use Display (which is what PathBuf uses when conforming to IntoDiagnosticArg)
- UPDATE - fluent messages sort after rebase
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This follows team’s suggestions in this thread https://rust-lang.zulipchat.com/#narrow/stream/336883-i18n/topic/.23100717.20diag.20translation/near/295305249
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This diagnostic has no UI test 🤔 Should we add some? If so, how?
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Rollup of 6 pull requests
Successful merges:
- #102577 (Warn about Visual Studio Code branding confusion)
- #102720 (do not reverse the expected type and found type for ObligationCauseCo…)
- #102744 (rustdoc: remove unused CSS `.content .item-list`)
- #102747 (rustdoc: remove unused CSS `.docblock a:not(.srclink)`)
- #102748 (Disable compressed debug sections on i586-gnu)
- #102761 (let-else: test else block with non-never uninhabited type)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Warn about Visual Studio Code branding confusion
VS Code is a popular companion for Rust, but Microsoft's branding is confusing, and users [may not understand](https://users.rust-lang.org/t/complie-error-when-i-run-rustc/82127) they also need the *other* VS.
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rustc_target: Refactor internal linker flavors
In accordance with the design from https://github.com/rust-lang/rust/pull/96827#issuecomment-1208441595
`lld_flavor` and `linker_is_gnu` fields are removed from internal target specs, but still parsed from JSON specs using compatibility layer introduced in https://github.com/rust-lang/rust/pull/100552.
r? `@lqd`
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Remove `-Ztime`
Because it has a lot of overlap with `-Ztime-passes` but is generally less useful. Plus some related cleanups.
Best reviewed one commit at a time.
r? `@davidtwco`
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In accordance with the design from https://github.com/rust-lang/rust/pull/96827#issuecomment-1208441595
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The compiler currently has `-Ztime` and `-Ztime-passes`. I've used
`-Ztime-passes` for years but only recently learned about `-Ztime`.
What's the difference? Let's look at the `-Zhelp` output:
```
-Z time=val -- measure time of rustc processes (default: no)
-Z time-passes=val -- measure time of each rustc pass (default: no)
```
The `-Ztime-passes` description is clear, but the `-Ztime` one is less so.
Sounds like it measures the time for the entire process?
No. The real difference is that `-Ztime-passes` prints out info about passes,
and `-Ztime` does the same, but only for a subset of those passes. More
specifically, there is a distinction in the profiling code between a "verbose
generic activity" and an "extra verbose generic activity". `-Ztime-passes`
prints both kinds, while `-Ztime` only prints the first one. (It took me
a close reading of the source code to determine this difference.)
In practice this distinction has low value. Perhaps in the past the "extra
verbose" output was more voluminous, but now that we only print stats for a
pass if it exceeds 5ms or alters the RSS, `-Ztime-passes` is less spammy. Also,
a lot of the "extra verbose" cases are for individual lint passes, and you need
to also use `-Zno-interleave-lints` to see those anyway.
Therefore, this commit removes `-Ztime` and the associated machinery. One thing
to note is that the existing "extra verbose" activities all have an extra
string argument, so the commit adds the ability to accept an extra argument to
the "verbose" activities.
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From talking with @abrown, we aren't planning to have hosts call these
`__tls_*` functions; instead, TLS initialization will be handled
transparently within libc. Consequently, these functions don't need to
be exported.
Leave them exported on wasm32-unknown-unknown though, as wasm-bindgen
does call them.
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Don't export `__wasm_init_memory` on WebAssembly.
Since #72889, the Rust wasm target doesn't use --passive-segments, so remove the `--export=__wasm_init_memory`.
As documented in the [tool-conventions Linking convention], `__wasm_init_memory` is not intended to be exported.
[tool-conventions Linking convention]: https://github.com/WebAssembly/tool-conventions/blob/7c064f304858f67ebf22964a84b7e9658e29557a/Linking.md#shared-memory-and-passive-segments
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Since #72889, the Rust wasm target doesn't use --passive-segments, so
remove the `--export=__wasm_init_memory`.
As documented in the [tool-conventions Linking convention],
`__wasm_init_memory` is not intended to be exported.
[tool-conventions Linking convention]: https://github.com/WebAssembly/tool-conventions/blob/7c064f304858f67ebf22964a84b7e9658e29557a/Linking.md#shared-memory-and-passive-segments
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`__heap_base` and `__data_end` are exported for use by wasm-bindgen, which
uses the wasm32-unknown-unknown target. On wasm32-wasi, as a step toward
implementing the Canonical ABI, and as an aid to building speicalized WASI
API polyfill wrappers, don't export `__heap_base` and `__data_end` on
wasm32-wasi.
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Remove support for legacy PM
This removes support for optimizing with LLVM's legacy pass manager, as well as the unstable `-Znew-llvm-pass-manager` option. We have been defaulting to the new PM since LLVM 13 (except for s390x that waited for 14), and LLVM 15 removed support altogether. The only place we still use the legacy PM is for writing the output file, just like `llc` does.
cc #74705
r? ``@nikic``
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Update rustc's information on Android's sanitizers
This patch updates sanitizer support definitions for Android inside the compiler. It also adjusts the logic to make sure no pre-built sanitizer runtime libraries are emitted as these are instead provided dynamically on Android targets.
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This patch updates sanitizier support definitions for Android inside the
compiler. It also adjusts the logic to make sure no pre-built sanitizer
runtime libraries are emitted as these are instead provided dynamically
on Android targets.
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https://github.com/rust-lang/rust/issues/99425#issuecomment-1207224161
r? `@petrochenkov`
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change rlib format to distinguish native dependencies
Another one method to solve problem mentioned in #99429.
Changed .rlib format, it contains all bundled native libraries as archieves.
At link time rlib is unpacked and native dependencies linked separately.
New behavior hidden under separate_native_rlib_dependencies flag.
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Remove manual <[u8]>::escape_ascii
`@rustbot` label: +C-cleanup
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Change implementation of `-Z gcc-ld` and `lld-wrapper` again
This PR partially reverts https://github.com/rust-lang/rust/pull/97375 and uses the strategy described in https://github.com/rust-lang/rust/issues/97402#issuecomment-1147404520 instead, thus fixes https://github.com/rust-lang/rust/issues/97755.
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Remove one unstable user-facing linker flavor (l4-bender)
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linker flavors
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Fix a bunch of typo
This PR will fix some typos detected by [typos].
I only picked the ones I was sure were spelling errors to fix, mostly in
the comments.
[typos]: https://github.com/crate-ci/typos
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r=davidtwco
translations(rustc_session): migrates `rustc_session` to use `SessionDiagnostic` - Pt. 1
## Description
This is the first PR for the migration of the module `rustc_session`. You can follow my progress [here](https://github.com/rust-lang/rust/issues/100717#issuecomment-1220279883).
The PR migrates the files `cgu_reuse_tracker` and `parse.rs` to use `SessionDiagnostic `.
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This PR will fix some typos detected by [typos].
I only picked the ones I was sure were spelling errors to fix, mostly in
the comments.
[typos]: https://github.com/crate-ci/typos
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Move EH personality functions to std
These were previously in the panic_unwind crate with dummy stubs in the
panic_abort crate. However it turns out that this is insufficient: we
still need a proper personality function even with -C panic=abort to
handle the following cases:
1) `extern "C-unwind"` still needs to catch foreign exceptions with -C
panic=abort to turn them into aborts. This requires landing pads and a
personality function.
2) ARM EHABI uses the personality function when creating backtraces.
The dummy personality function in panic_abort was causing backtrace
generation to get stuck in a loop since the personality function is
responsible for advancing the unwind state to the next frame.
Fixes #41004
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