1625 lines
72 KiB
Rust
1625 lines
72 KiB
Rust
use crate::config::*;
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use crate::early_error;
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use crate::lint;
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use crate::search_paths::SearchPath;
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use crate::utils::NativeLib;
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use rustc_errors::LanguageIdentifier;
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use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy, SanitizerSet};
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use rustc_target::spec::{
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RelocModel, RelroLevel, SplitDebuginfo, StackProtector, TargetTriple, TlsModel,
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};
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use rustc_feature::UnstableFeatures;
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use rustc_span::edition::Edition;
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use rustc_span::RealFileName;
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use rustc_span::SourceFileHashAlgorithm;
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use std::collections::BTreeMap;
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use std::collections::hash_map::DefaultHasher;
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use std::hash::Hasher;
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use std::num::NonZeroUsize;
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use std::path::PathBuf;
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use std::str;
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macro_rules! insert {
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($opt_name:ident, $opt_expr:expr, $sub_hashes:expr) => {
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if $sub_hashes
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.insert(stringify!($opt_name), $opt_expr as &dyn dep_tracking::DepTrackingHash)
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.is_some()
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{
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panic!("duplicate key in CLI DepTrackingHash: {}", stringify!($opt_name))
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}
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};
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}
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macro_rules! hash_opt {
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($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $_for_crate_hash: ident, [UNTRACKED]) => {{}};
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($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $_for_crate_hash: ident, [TRACKED]) => {{ insert!($opt_name, $opt_expr, $sub_hashes) }};
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($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $for_crate_hash: ident, [TRACKED_NO_CRATE_HASH]) => {{
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if !$for_crate_hash {
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insert!($opt_name, $opt_expr, $sub_hashes)
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}
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}};
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($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $_for_crate_hash: ident, [SUBSTRUCT]) => {{}};
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}
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macro_rules! hash_substruct {
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($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [UNTRACKED]) => {{}};
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($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [TRACKED]) => {{}};
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($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [TRACKED_NO_CRATE_HASH]) => {{}};
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($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [SUBSTRUCT]) => {
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use crate::config::dep_tracking::DepTrackingHash;
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$opt_expr.dep_tracking_hash($for_crate_hash, $error_format).hash(
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$hasher,
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$error_format,
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$for_crate_hash,
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);
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};
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}
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macro_rules! top_level_options {
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( $( #[$top_level_attr:meta] )* pub struct Options { $(
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$( #[$attr:meta] )*
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$opt:ident : $t:ty [$dep_tracking_marker:ident],
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)* } ) => (
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#[derive(Clone)]
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$( #[$top_level_attr] )*
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pub struct Options {
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$(
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$( #[$attr] )*
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pub $opt: $t
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),*
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}
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impl Options {
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pub fn dep_tracking_hash(&self, for_crate_hash: bool) -> u64 {
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let mut sub_hashes = BTreeMap::new();
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$({
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hash_opt!($opt,
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&self.$opt,
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&mut sub_hashes,
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for_crate_hash,
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[$dep_tracking_marker]);
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})*
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let mut hasher = DefaultHasher::new();
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dep_tracking::stable_hash(sub_hashes,
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&mut hasher,
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self.error_format,
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for_crate_hash);
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$({
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hash_substruct!($opt,
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&self.$opt,
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self.error_format,
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for_crate_hash,
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&mut hasher,
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[$dep_tracking_marker]);
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})*
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hasher.finish()
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}
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}
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);
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}
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impl Options {
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pub fn mir_opt_level(&self) -> usize {
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self.unstable_opts
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.mir_opt_level
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.unwrap_or_else(|| if self.optimize != OptLevel::No { 2 } else { 1 })
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}
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pub fn instrument_coverage(&self) -> bool {
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self.cg.instrument_coverage.unwrap_or(InstrumentCoverage::Off) != InstrumentCoverage::Off
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}
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pub fn instrument_coverage_except_unused_generics(&self) -> bool {
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self.cg.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
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== InstrumentCoverage::ExceptUnusedGenerics
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}
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pub fn instrument_coverage_except_unused_functions(&self) -> bool {
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self.cg.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
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== InstrumentCoverage::ExceptUnusedFunctions
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}
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}
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top_level_options!(
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/// The top-level command-line options struct.
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///
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/// For each option, one has to specify how it behaves with regard to the
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/// dependency tracking system of incremental compilation. This is done via the
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/// square-bracketed directive after the field type. The options are:
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///
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/// - `[TRACKED]`
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/// A change in the given field will cause the compiler to completely clear the
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/// incremental compilation cache before proceeding.
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///
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/// - `[TRACKED_NO_CRATE_HASH]`
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/// Same as `[TRACKED]`, but will not affect the crate hash. This is useful for options that only
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/// affect the incremental cache.
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///
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/// - `[UNTRACKED]`
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/// Incremental compilation is not influenced by this option.
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///
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/// - `[SUBSTRUCT]`
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/// Second-level sub-structs containing more options.
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///
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/// If you add a new option to this struct or one of the sub-structs like
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/// `CodegenOptions`, think about how it influences incremental compilation. If in
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/// doubt, specify `[TRACKED]`, which is always "correct" but might lead to
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/// unnecessary re-compilation.
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pub struct Options {
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/// The crate config requested for the session, which may be combined
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/// with additional crate configurations during the compile process.
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crate_types: Vec<CrateType> [TRACKED],
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optimize: OptLevel [TRACKED],
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/// Include the `debug_assertions` flag in dependency tracking, since it
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/// can influence whether overflow checks are done or not.
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debug_assertions: bool [TRACKED],
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debuginfo: DebugInfo [TRACKED],
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lint_opts: Vec<(String, lint::Level)> [TRACKED_NO_CRATE_HASH],
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lint_cap: Option<lint::Level> [TRACKED_NO_CRATE_HASH],
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describe_lints: bool [UNTRACKED],
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output_types: OutputTypes [TRACKED],
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search_paths: Vec<SearchPath> [UNTRACKED],
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libs: Vec<NativeLib> [TRACKED],
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maybe_sysroot: Option<PathBuf> [UNTRACKED],
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target_triple: TargetTriple [TRACKED],
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test: bool [TRACKED],
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error_format: ErrorOutputType [UNTRACKED],
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diagnostic_width: Option<usize> [UNTRACKED],
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/// If `Some`, enable incremental compilation, using the given
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/// directory to store intermediate results.
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incremental: Option<PathBuf> [UNTRACKED],
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assert_incr_state: Option<IncrementalStateAssertion> [UNTRACKED],
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unstable_opts: UnstableOptions [SUBSTRUCT],
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prints: Vec<PrintRequest> [UNTRACKED],
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cg: CodegenOptions [SUBSTRUCT],
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externs: Externs [UNTRACKED],
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crate_name: Option<String> [TRACKED],
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/// Indicates how the compiler should treat unstable features.
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unstable_features: UnstableFeatures [TRACKED],
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/// Indicates whether this run of the compiler is actually rustdoc. This
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/// is currently just a hack and will be removed eventually, so please
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/// try to not rely on this too much.
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actually_rustdoc: bool [TRACKED],
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/// Control path trimming.
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trimmed_def_paths: TrimmedDefPaths [TRACKED],
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/// Specifications of codegen units / ThinLTO which are forced as a
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/// result of parsing command line options. These are not necessarily
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/// what rustc was invoked with, but massaged a bit to agree with
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/// commands like `--emit llvm-ir` which they're often incompatible with
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/// if we otherwise use the defaults of rustc.
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cli_forced_codegen_units: Option<usize> [UNTRACKED],
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cli_forced_thinlto_off: bool [UNTRACKED],
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/// Remap source path prefixes in all output (messages, object files, debug, etc.).
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remap_path_prefix: Vec<(PathBuf, PathBuf)> [TRACKED_NO_CRATE_HASH],
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/// Base directory containing the `src/` for the Rust standard library, and
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/// potentially `rustc` as well, if we can can find it. Right now it's always
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/// `$sysroot/lib/rustlib/src/rust` (i.e. the `rustup` `rust-src` component).
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///
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/// This directory is what the virtual `/rustc/$hash` is translated back to,
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/// if Rust was built with path remapping to `/rustc/$hash` enabled
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/// (the `rust.remap-debuginfo` option in `config.toml`).
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real_rust_source_base_dir: Option<PathBuf> [TRACKED_NO_CRATE_HASH],
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edition: Edition [TRACKED],
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/// `true` if we're emitting JSON blobs about each artifact produced
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/// by the compiler.
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json_artifact_notifications: bool [TRACKED],
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/// `true` if we're emitting a JSON blob containing the unused externs
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json_unused_externs: JsonUnusedExterns [UNTRACKED],
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/// `true` if we're emitting a JSON job containing a future-incompat report for lints
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json_future_incompat: bool [TRACKED],
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pretty: Option<PpMode> [UNTRACKED],
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/// The (potentially remapped) working directory
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working_dir: RealFileName [TRACKED],
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}
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);
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/// Defines all `CodegenOptions`/`DebuggingOptions` fields and parsers all at once. The goal of this
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/// macro is to define an interface that can be programmatically used by the option parser
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/// to initialize the struct without hardcoding field names all over the place.
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///
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/// The goal is to invoke this macro once with the correct fields, and then this macro generates all
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/// necessary code. The main gotcha of this macro is the `cgsetters` module which is a bunch of
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/// generated code to parse an option into its respective field in the struct. There are a few
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/// hand-written parsers for parsing specific types of values in this module.
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macro_rules! options {
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($struct_name:ident, $stat:ident, $optmod:ident, $prefix:expr, $outputname:expr,
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$($( #[$attr:meta] )* $opt:ident : $t:ty = (
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$init:expr,
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$parse:ident,
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[$dep_tracking_marker:ident],
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$desc:expr)
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),* ,) =>
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(
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#[derive(Clone)]
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pub struct $struct_name { $(pub $opt: $t),* }
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impl Default for $struct_name {
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fn default() -> $struct_name {
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$struct_name { $( $( #[$attr] )* $opt: $init),* }
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}
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}
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impl $struct_name {
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pub fn build(
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matches: &getopts::Matches,
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error_format: ErrorOutputType,
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) -> $struct_name {
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build_options(matches, $stat, $prefix, $outputname, error_format)
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}
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fn dep_tracking_hash(&self, for_crate_hash: bool, error_format: ErrorOutputType) -> u64 {
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let mut sub_hashes = BTreeMap::new();
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$({
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hash_opt!($opt,
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&self.$opt,
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&mut sub_hashes,
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for_crate_hash,
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[$dep_tracking_marker]);
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})*
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let mut hasher = DefaultHasher::new();
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dep_tracking::stable_hash(sub_hashes,
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&mut hasher,
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error_format,
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for_crate_hash
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);
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hasher.finish()
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}
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}
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pub const $stat: OptionDescrs<$struct_name> =
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&[ $( (stringify!($opt), $optmod::$opt, desc::$parse, $desc) ),* ];
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mod $optmod {
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$(
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pub(super) fn $opt(cg: &mut super::$struct_name, v: Option<&str>) -> bool {
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super::parse::$parse(&mut redirect_field!(cg.$opt), v)
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}
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)*
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}
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) }
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// Sometimes different options need to build a common structure.
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// That structure can be kept in one of the options' fields, the others become dummy.
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macro_rules! redirect_field {
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($cg:ident.link_arg) => {
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$cg.link_args
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};
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($cg:ident.pre_link_arg) => {
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$cg.pre_link_args
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};
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($cg:ident.$field:ident) => {
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$cg.$field
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};
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}
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type OptionSetter<O> = fn(&mut O, v: Option<&str>) -> bool;
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type OptionDescrs<O> = &'static [(&'static str, OptionSetter<O>, &'static str, &'static str)];
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fn build_options<O: Default>(
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matches: &getopts::Matches,
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descrs: OptionDescrs<O>,
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prefix: &str,
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outputname: &str,
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error_format: ErrorOutputType,
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) -> O {
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let mut op = O::default();
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for option in matches.opt_strs(prefix) {
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let (key, value) = match option.split_once('=') {
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None => (option, None),
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Some((k, v)) => (k.to_string(), Some(v)),
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};
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let option_to_lookup = key.replace('-', "_");
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match descrs.iter().find(|(name, ..)| *name == option_to_lookup) {
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Some((_, setter, type_desc, _)) => {
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if !setter(&mut op, value) {
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match value {
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None => early_error(
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error_format,
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&format!(
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"{0} option `{1}` requires {2} ({3} {1}=<value>)",
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outputname, key, type_desc, prefix
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),
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),
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Some(value) => early_error(
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error_format,
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&format!(
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"incorrect value `{value}` for {outputname} option `{key}` - {type_desc} was expected"
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),
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),
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}
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}
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}
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None => early_error(error_format, &format!("unknown {outputname} option: `{key}`")),
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}
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}
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return op;
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}
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#[allow(non_upper_case_globals)]
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mod desc {
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pub const parse_no_flag: &str = "no value";
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pub const parse_bool: &str = "one of: `y`, `yes`, `on`, `n`, `no`, or `off`";
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pub const parse_opt_bool: &str = parse_bool;
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pub const parse_string: &str = "a string";
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pub const parse_opt_string: &str = parse_string;
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pub const parse_string_push: &str = parse_string;
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pub const parse_opt_langid: &str = "a language identifier";
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pub const parse_opt_pathbuf: &str = "a path";
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pub const parse_list: &str = "a space-separated list of strings";
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pub const parse_list_with_polarity: &str =
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"a comma-separated list of strings, with elements beginning with + or -";
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pub const parse_opt_comma_list: &str = "a comma-separated list of strings";
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pub const parse_number: &str = "a number";
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pub const parse_opt_number: &str = parse_number;
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pub const parse_threads: &str = parse_number;
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pub const parse_passes: &str = "a space-separated list of passes, or `all`";
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pub const parse_panic_strategy: &str = "either `unwind` or `abort`";
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pub const parse_opt_panic_strategy: &str = parse_panic_strategy;
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pub const parse_oom_strategy: &str = "either `panic` or `abort`";
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pub const parse_relro_level: &str = "one of: `full`, `partial`, or `off`";
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pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `cfi`, `hwaddress`, `leak`, `memory`, `memtag`, `shadow-call-stack`, or `thread`";
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pub const parse_sanitizer_memory_track_origins: &str = "0, 1, or 2";
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pub const parse_cfguard: &str =
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"either a boolean (`yes`, `no`, `on`, `off`, etc), `checks`, or `nochecks`";
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pub const parse_cfprotection: &str = "`none`|`no`|`n` (default), `branch`, `return`, or `full`|`yes`|`y` (equivalent to `branch` and `return`)";
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pub const parse_strip: &str = "either `none`, `debuginfo`, or `symbols`";
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pub const parse_linker_flavor: &str = ::rustc_target::spec::LinkerFlavor::one_of();
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pub const parse_optimization_fuel: &str = "crate=integer";
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pub const parse_mir_spanview: &str = "`statement` (default), `terminator`, or `block`";
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pub const parse_instrument_coverage: &str =
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"`all` (default), `except-unused-generics`, `except-unused-functions`, or `off`";
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pub const parse_unpretty: &str = "`string` or `string=string`";
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pub const parse_treat_err_as_bug: &str = "either no value or a number bigger than 0";
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pub const parse_lto: &str =
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"either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted";
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pub const parse_linker_plugin_lto: &str =
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"either a boolean (`yes`, `no`, `on`, `off`, etc), or the path to the linker plugin";
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pub const parse_location_detail: &str =
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"comma separated list of location details to track: `file`, `line`, or `column`";
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pub const parse_switch_with_opt_path: &str =
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"an optional path to the profiling data output directory";
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pub const parse_merge_functions: &str = "one of: `disabled`, `trampolines`, or `aliases`";
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pub const parse_symbol_mangling_version: &str = "either `legacy` or `v0` (RFC 2603)";
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pub const parse_src_file_hash: &str = "either `md5` or `sha1`";
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pub const parse_relocation_model: &str =
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"one of supported relocation models (`rustc --print relocation-models`)";
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pub const parse_code_model: &str = "one of supported code models (`rustc --print code-models`)";
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pub const parse_tls_model: &str = "one of supported TLS models (`rustc --print tls-models`)";
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pub const parse_target_feature: &str = parse_string;
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pub const parse_wasi_exec_model: &str = "either `command` or `reactor`";
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pub const parse_split_debuginfo: &str =
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"one of supported split-debuginfo modes (`off`, `packed`, or `unpacked`)";
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pub const parse_split_dwarf_kind: &str =
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"one of supported split dwarf modes (`split` or `single`)";
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pub const parse_gcc_ld: &str = "one of: no value, `lld`";
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pub const parse_stack_protector: &str =
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"one of (`none` (default), `basic`, `strong`, or `all`)";
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pub const parse_branch_protection: &str =
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"a `,` separated combination of `bti`, `b-key`, `pac-ret`, or `leaf`";
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}
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|
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mod parse {
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pub(crate) use super::*;
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use std::str::FromStr;
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|
|
/// This is for boolean options that don't take a value and start with
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|
/// `no-`. This style of option is deprecated.
|
|
pub(crate) fn parse_no_flag(slot: &mut bool, v: Option<&str>) -> bool {
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match v {
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None => {
|
|
*slot = true;
|
|
true
|
|
}
|
|
Some(_) => false,
|
|
}
|
|
}
|
|
|
|
/// Use this for any boolean option that has a static default.
|
|
pub(crate) fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("y") | Some("yes") | Some("on") | None => {
|
|
*slot = true;
|
|
true
|
|
}
|
|
Some("n") | Some("no") | Some("off") => {
|
|
*slot = false;
|
|
true
|
|
}
|
|
_ => false,
|
|
}
|
|
}
|
|
|
|
/// Use this for any boolean option that lacks a static default. (The
|
|
/// actions taken when such an option is not specified will depend on
|
|
/// other factors, such as other options, or target options.)
|
|
pub(crate) fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("y") | Some("yes") | Some("on") | None => {
|
|
*slot = Some(true);
|
|
true
|
|
}
|
|
Some("n") | Some("no") | Some("off") => {
|
|
*slot = Some(false);
|
|
true
|
|
}
|
|
_ => false,
|
|
}
|
|
}
|
|
|
|
/// Use this for any string option that has a static default.
|
|
pub(crate) fn parse_string(slot: &mut String, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
*slot = s.to_string();
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
/// Use this for any string option that lacks a static default.
|
|
pub(crate) fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
*slot = Some(s.to_string());
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
/// Parse an optional language identifier, e.g. `en-US` or `zh-CN`.
|
|
pub(crate) fn parse_opt_langid(slot: &mut Option<LanguageIdentifier>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
*slot = rustc_errors::LanguageIdentifier::from_str(s).ok();
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_opt_pathbuf(slot: &mut Option<PathBuf>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
*slot = Some(PathBuf::from(s));
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
slot.push(s.to_string());
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_list(slot: &mut Vec<String>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
slot.extend(s.split_whitespace().map(|s| s.to_string()));
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_list_with_polarity(
|
|
slot: &mut Vec<(String, bool)>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
for s in s.split(',') {
|
|
let Some(pass_name) = s.strip_prefix(&['+', '-'][..]) else { return false };
|
|
slot.push((pass_name.to_string(), &s[..1] == "+"));
|
|
}
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_location_detail(ld: &mut LocationDetail, v: Option<&str>) -> bool {
|
|
if let Some(v) = v {
|
|
ld.line = false;
|
|
ld.file = false;
|
|
ld.column = false;
|
|
for s in v.split(',') {
|
|
match s {
|
|
"file" => ld.file = true,
|
|
"line" => ld.line = true,
|
|
"column" => ld.column = true,
|
|
_ => return false,
|
|
}
|
|
}
|
|
true
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_opt_comma_list(slot: &mut Option<Vec<String>>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
let mut v: Vec<_> = s.split(',').map(|s| s.to_string()).collect();
|
|
v.sort_unstable();
|
|
*slot = Some(v);
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_threads(slot: &mut usize, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| s.parse().ok()) {
|
|
Some(0) => {
|
|
*slot = ::num_cpus::get();
|
|
true
|
|
}
|
|
Some(i) => {
|
|
*slot = i;
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
/// Use this for any numeric option that has a static default.
|
|
pub(crate) fn parse_number<T: Copy + FromStr>(slot: &mut T, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| s.parse().ok()) {
|
|
Some(i) => {
|
|
*slot = i;
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
/// Use this for any numeric option that lacks a static default.
|
|
pub(crate) fn parse_opt_number<T: Copy + FromStr>(
|
|
slot: &mut Option<T>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
*slot = s.parse().ok();
|
|
slot.is_some()
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("all") => {
|
|
*slot = Passes::All;
|
|
true
|
|
}
|
|
v => {
|
|
let mut passes = vec![];
|
|
if parse_list(&mut passes, v) {
|
|
slot.extend(passes);
|
|
true
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_opt_panic_strategy(
|
|
slot: &mut Option<PanicStrategy>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v {
|
|
Some("unwind") => *slot = Some(PanicStrategy::Unwind),
|
|
Some("abort") => *slot = Some(PanicStrategy::Abort),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_panic_strategy(slot: &mut PanicStrategy, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("unwind") => *slot = PanicStrategy::Unwind,
|
|
Some("abort") => *slot = PanicStrategy::Abort,
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_oom_strategy(slot: &mut OomStrategy, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("panic") => *slot = OomStrategy::Panic,
|
|
Some("abort") => *slot = OomStrategy::Abort,
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_relro_level(slot: &mut Option<RelroLevel>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => match s.parse::<RelroLevel>() {
|
|
Ok(level) => *slot = Some(level),
|
|
_ => return false,
|
|
},
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_sanitizers(slot: &mut SanitizerSet, v: Option<&str>) -> bool {
|
|
if let Some(v) = v {
|
|
for s in v.split(',') {
|
|
*slot |= match s {
|
|
"address" => SanitizerSet::ADDRESS,
|
|
"cfi" => SanitizerSet::CFI,
|
|
"leak" => SanitizerSet::LEAK,
|
|
"memory" => SanitizerSet::MEMORY,
|
|
"memtag" => SanitizerSet::MEMTAG,
|
|
"shadow-call-stack" => SanitizerSet::SHADOWCALLSTACK,
|
|
"thread" => SanitizerSet::THREAD,
|
|
"hwaddress" => SanitizerSet::HWADDRESS,
|
|
_ => return false,
|
|
}
|
|
}
|
|
true
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_sanitizer_memory_track_origins(slot: &mut usize, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("2") | None => {
|
|
*slot = 2;
|
|
true
|
|
}
|
|
Some("1") => {
|
|
*slot = 1;
|
|
true
|
|
}
|
|
Some("0") => {
|
|
*slot = 0;
|
|
true
|
|
}
|
|
Some(_) => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_strip(slot: &mut Strip, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("none") => *slot = Strip::None,
|
|
Some("debuginfo") => *slot = Strip::Debuginfo,
|
|
Some("symbols") => *slot = Strip::Symbols,
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_cfguard(slot: &mut CFGuard, v: Option<&str>) -> bool {
|
|
if v.is_some() {
|
|
let mut bool_arg = None;
|
|
if parse_opt_bool(&mut bool_arg, v) {
|
|
*slot = if bool_arg.unwrap() { CFGuard::Checks } else { CFGuard::Disabled };
|
|
return true;
|
|
}
|
|
}
|
|
|
|
*slot = match v {
|
|
None => CFGuard::Checks,
|
|
Some("checks") => CFGuard::Checks,
|
|
Some("nochecks") => CFGuard::NoChecks,
|
|
Some(_) => return false,
|
|
};
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_cfprotection(slot: &mut CFProtection, v: Option<&str>) -> bool {
|
|
if v.is_some() {
|
|
let mut bool_arg = None;
|
|
if parse_opt_bool(&mut bool_arg, v) {
|
|
*slot = if bool_arg.unwrap() { CFProtection::Full } else { CFProtection::None };
|
|
return true;
|
|
}
|
|
}
|
|
|
|
*slot = match v {
|
|
None | Some("none") => CFProtection::None,
|
|
Some("branch") => CFProtection::Branch,
|
|
Some("return") => CFProtection::Return,
|
|
Some("full") => CFProtection::Full,
|
|
Some(_) => return false,
|
|
};
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_linker_flavor(slot: &mut Option<LinkerFlavor>, v: Option<&str>) -> bool {
|
|
match v.and_then(LinkerFlavor::from_str) {
|
|
Some(lf) => *slot = Some(lf),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_optimization_fuel(
|
|
slot: &mut Option<(String, u64)>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v {
|
|
None => false,
|
|
Some(s) => {
|
|
let parts = s.split('=').collect::<Vec<_>>();
|
|
if parts.len() != 2 {
|
|
return false;
|
|
}
|
|
let crate_name = parts[0].to_string();
|
|
let fuel = parts[1].parse::<u64>();
|
|
if fuel.is_err() {
|
|
return false;
|
|
}
|
|
*slot = Some((crate_name, fuel.unwrap()));
|
|
true
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_unpretty(slot: &mut Option<String>, v: Option<&str>) -> bool {
|
|
match v {
|
|
None => false,
|
|
Some(s) if s.split('=').count() <= 2 => {
|
|
*slot = Some(s.to_string());
|
|
true
|
|
}
|
|
_ => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_mir_spanview(slot: &mut Option<MirSpanview>, v: Option<&str>) -> bool {
|
|
if v.is_some() {
|
|
let mut bool_arg = None;
|
|
if parse_opt_bool(&mut bool_arg, v) {
|
|
*slot = if bool_arg.unwrap() { Some(MirSpanview::Statement) } else { None };
|
|
return true;
|
|
}
|
|
}
|
|
|
|
let Some(v) = v else {
|
|
*slot = Some(MirSpanview::Statement);
|
|
return true;
|
|
};
|
|
|
|
*slot = Some(match v.trim_end_matches('s') {
|
|
"statement" | "stmt" => MirSpanview::Statement,
|
|
"terminator" | "term" => MirSpanview::Terminator,
|
|
"block" | "basicblock" => MirSpanview::Block,
|
|
_ => return false,
|
|
});
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_instrument_coverage(
|
|
slot: &mut Option<InstrumentCoverage>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
if v.is_some() {
|
|
let mut bool_arg = None;
|
|
if parse_opt_bool(&mut bool_arg, v) {
|
|
*slot = if bool_arg.unwrap() { Some(InstrumentCoverage::All) } else { None };
|
|
return true;
|
|
}
|
|
}
|
|
|
|
let Some(v) = v else {
|
|
*slot = Some(InstrumentCoverage::All);
|
|
return true;
|
|
};
|
|
|
|
*slot = Some(match v {
|
|
"all" => InstrumentCoverage::All,
|
|
"except-unused-generics" | "except_unused_generics" => {
|
|
InstrumentCoverage::ExceptUnusedGenerics
|
|
}
|
|
"except-unused-functions" | "except_unused_functions" => {
|
|
InstrumentCoverage::ExceptUnusedFunctions
|
|
}
|
|
"off" | "no" | "n" | "false" | "0" => InstrumentCoverage::Off,
|
|
_ => return false,
|
|
});
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_treat_err_as_bug(slot: &mut Option<NonZeroUsize>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
*slot = s.parse().ok();
|
|
slot.is_some()
|
|
}
|
|
None => {
|
|
*slot = NonZeroUsize::new(1);
|
|
true
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_lto(slot: &mut LtoCli, v: Option<&str>) -> bool {
|
|
if v.is_some() {
|
|
let mut bool_arg = None;
|
|
if parse_opt_bool(&mut bool_arg, v) {
|
|
*slot = if bool_arg.unwrap() { LtoCli::Yes } else { LtoCli::No };
|
|
return true;
|
|
}
|
|
}
|
|
|
|
*slot = match v {
|
|
None => LtoCli::NoParam,
|
|
Some("thin") => LtoCli::Thin,
|
|
Some("fat") => LtoCli::Fat,
|
|
Some(_) => return false,
|
|
};
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_linker_plugin_lto(slot: &mut LinkerPluginLto, v: Option<&str>) -> bool {
|
|
if v.is_some() {
|
|
let mut bool_arg = None;
|
|
if parse_opt_bool(&mut bool_arg, v) {
|
|
*slot = if bool_arg.unwrap() {
|
|
LinkerPluginLto::LinkerPluginAuto
|
|
} else {
|
|
LinkerPluginLto::Disabled
|
|
};
|
|
return true;
|
|
}
|
|
}
|
|
|
|
*slot = match v {
|
|
None => LinkerPluginLto::LinkerPluginAuto,
|
|
Some(path) => LinkerPluginLto::LinkerPlugin(PathBuf::from(path)),
|
|
};
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_switch_with_opt_path(
|
|
slot: &mut SwitchWithOptPath,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
*slot = match v {
|
|
None => SwitchWithOptPath::Enabled(None),
|
|
Some(path) => SwitchWithOptPath::Enabled(Some(PathBuf::from(path))),
|
|
};
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_merge_functions(
|
|
slot: &mut Option<MergeFunctions>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v.and_then(|s| MergeFunctions::from_str(s).ok()) {
|
|
Some(mergefunc) => *slot = Some(mergefunc),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_relocation_model(slot: &mut Option<RelocModel>, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| RelocModel::from_str(s).ok()) {
|
|
Some(relocation_model) => *slot = Some(relocation_model),
|
|
None if v == Some("default") => *slot = None,
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_code_model(slot: &mut Option<CodeModel>, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| CodeModel::from_str(s).ok()) {
|
|
Some(code_model) => *slot = Some(code_model),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_tls_model(slot: &mut Option<TlsModel>, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| TlsModel::from_str(s).ok()) {
|
|
Some(tls_model) => *slot = Some(tls_model),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_symbol_mangling_version(
|
|
slot: &mut Option<SymbolManglingVersion>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
*slot = match v {
|
|
Some("legacy") => Some(SymbolManglingVersion::Legacy),
|
|
Some("v0") => Some(SymbolManglingVersion::V0),
|
|
_ => return false,
|
|
};
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_src_file_hash(
|
|
slot: &mut Option<SourceFileHashAlgorithm>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v.and_then(|s| SourceFileHashAlgorithm::from_str(s).ok()) {
|
|
Some(hash_kind) => *slot = Some(hash_kind),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_target_feature(slot: &mut String, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
if !slot.is_empty() {
|
|
slot.push(',');
|
|
}
|
|
slot.push_str(s);
|
|
true
|
|
}
|
|
None => false,
|
|
}
|
|
}
|
|
|
|
pub(crate) fn parse_wasi_exec_model(slot: &mut Option<WasiExecModel>, v: Option<&str>) -> bool {
|
|
match v {
|
|
Some("command") => *slot = Some(WasiExecModel::Command),
|
|
Some("reactor") => *slot = Some(WasiExecModel::Reactor),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_split_debuginfo(
|
|
slot: &mut Option<SplitDebuginfo>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v.and_then(|s| SplitDebuginfo::from_str(s).ok()) {
|
|
Some(e) => *slot = Some(e),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_split_dwarf_kind(slot: &mut SplitDwarfKind, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| SplitDwarfKind::from_str(s).ok()) {
|
|
Some(e) => *slot = e,
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_gcc_ld(slot: &mut Option<LdImpl>, v: Option<&str>) -> bool {
|
|
match v {
|
|
None => *slot = None,
|
|
Some("lld") => *slot = Some(LdImpl::Lld),
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_stack_protector(slot: &mut StackProtector, v: Option<&str>) -> bool {
|
|
match v.and_then(|s| StackProtector::from_str(s).ok()) {
|
|
Some(ssp) => *slot = ssp,
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
|
|
pub(crate) fn parse_branch_protection(
|
|
slot: &mut Option<BranchProtection>,
|
|
v: Option<&str>,
|
|
) -> bool {
|
|
match v {
|
|
Some(s) => {
|
|
let slot = slot.get_or_insert_default();
|
|
for opt in s.split(',') {
|
|
match opt {
|
|
"bti" => slot.bti = true,
|
|
"pac-ret" if slot.pac_ret.is_none() => {
|
|
slot.pac_ret = Some(PacRet { leaf: false, key: PAuthKey::A })
|
|
}
|
|
"leaf" => match slot.pac_ret.as_mut() {
|
|
Some(pac) => pac.leaf = true,
|
|
_ => return false,
|
|
},
|
|
"b-key" => match slot.pac_ret.as_mut() {
|
|
Some(pac) => pac.key = PAuthKey::B,
|
|
_ => return false,
|
|
},
|
|
_ => return false,
|
|
};
|
|
}
|
|
}
|
|
_ => return false,
|
|
}
|
|
true
|
|
}
|
|
}
|
|
|
|
options! {
|
|
CodegenOptions, CG_OPTIONS, cgopts, "C", "codegen",
|
|
|
|
// This list is in alphabetical order.
|
|
//
|
|
// If you add a new option, please update:
|
|
// - compiler/rustc_interface/src/tests.rs
|
|
// - src/doc/rustc/src/codegen-options/index.md
|
|
|
|
ar: String = (String::new(), parse_string, [UNTRACKED],
|
|
"this option is deprecated and does nothing"),
|
|
code_model: Option<CodeModel> = (None, parse_code_model, [TRACKED],
|
|
"choose the code model to use (`rustc --print code-models` for details)"),
|
|
codegen_units: Option<usize> = (None, parse_opt_number, [UNTRACKED],
|
|
"divide crate into N units to optimize in parallel"),
|
|
control_flow_guard: CFGuard = (CFGuard::Disabled, parse_cfguard, [TRACKED],
|
|
"use Windows Control Flow Guard (default: no)"),
|
|
debug_assertions: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"explicitly enable the `cfg(debug_assertions)` directive"),
|
|
debuginfo: usize = (0, parse_number, [TRACKED],
|
|
"debug info emission level (0 = no debug info, 1 = line tables only, \
|
|
2 = full debug info with variable and type information; default: 0)"),
|
|
default_linker_libraries: bool = (false, parse_bool, [UNTRACKED],
|
|
"allow the linker to link its default libraries (default: no)"),
|
|
embed_bitcode: bool = (true, parse_bool, [TRACKED],
|
|
"emit bitcode in rlibs (default: yes)"),
|
|
extra_filename: String = (String::new(), parse_string, [UNTRACKED],
|
|
"extra data to put in each output filename"),
|
|
force_frame_pointers: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"force use of the frame pointers"),
|
|
force_unwind_tables: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"force use of unwind tables"),
|
|
incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
|
"enable incremental compilation"),
|
|
inline_threshold: Option<u32> = (None, parse_opt_number, [TRACKED],
|
|
"set the threshold for inlining a function"),
|
|
instrument_coverage: Option<InstrumentCoverage> = (None, parse_instrument_coverage, [TRACKED],
|
|
"instrument the generated code to support LLVM source-based code coverage \
|
|
reports (note, the compiler build config must include `profiler = true`); \
|
|
implies `-C symbol-mangling-version=v0`. Optional values are:
|
|
`=all` (implicit value)
|
|
`=except-unused-generics`
|
|
`=except-unused-functions`
|
|
`=off` (default)"),
|
|
link_arg: (/* redirected to link_args */) = ((), parse_string_push, [UNTRACKED],
|
|
"a single extra argument to append to the linker invocation (can be used several times)"),
|
|
link_args: Vec<String> = (Vec::new(), parse_list, [UNTRACKED],
|
|
"extra arguments to append to the linker invocation (space separated)"),
|
|
link_dead_code: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"keep dead code at link time (useful for code coverage) (default: no)"),
|
|
link_self_contained: Option<bool> = (None, parse_opt_bool, [UNTRACKED],
|
|
"control whether to link Rust provided C objects/libraries or rely
|
|
on C toolchain installed in the system"),
|
|
linker: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
|
|
"system linker to link outputs with"),
|
|
linker_flavor: Option<LinkerFlavor> = (None, parse_linker_flavor, [UNTRACKED],
|
|
"linker flavor"),
|
|
linker_plugin_lto: LinkerPluginLto = (LinkerPluginLto::Disabled,
|
|
parse_linker_plugin_lto, [TRACKED],
|
|
"generate build artifacts that are compatible with linker-based LTO"),
|
|
llvm_args: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
|
"a list of arguments to pass to LLVM (space separated)"),
|
|
lto: LtoCli = (LtoCli::Unspecified, parse_lto, [TRACKED],
|
|
"perform LLVM link-time optimizations"),
|
|
metadata: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
|
"metadata to mangle symbol names with"),
|
|
no_prepopulate_passes: bool = (false, parse_no_flag, [TRACKED],
|
|
"give an empty list of passes to the pass manager"),
|
|
no_redzone: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"disable the use of the redzone"),
|
|
no_stack_check: bool = (false, parse_no_flag, [UNTRACKED],
|
|
"this option is deprecated and does nothing"),
|
|
no_vectorize_loops: bool = (false, parse_no_flag, [TRACKED],
|
|
"disable loop vectorization optimization passes"),
|
|
no_vectorize_slp: bool = (false, parse_no_flag, [TRACKED],
|
|
"disable LLVM's SLP vectorization pass"),
|
|
opt_level: String = ("0".to_string(), parse_string, [TRACKED],
|
|
"optimization level (0-3, s, or z; default: 0)"),
|
|
overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"use overflow checks for integer arithmetic"),
|
|
panic: Option<PanicStrategy> = (None, parse_opt_panic_strategy, [TRACKED],
|
|
"panic strategy to compile crate with"),
|
|
passes: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
|
"a list of extra LLVM passes to run (space separated)"),
|
|
prefer_dynamic: bool = (false, parse_bool, [TRACKED],
|
|
"prefer dynamic linking to static linking (default: no)"),
|
|
profile_generate: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
|
|
parse_switch_with_opt_path, [TRACKED],
|
|
"compile the program with profiling instrumentation"),
|
|
profile_use: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
|
"use the given `.profdata` file for profile-guided optimization"),
|
|
relocation_model: Option<RelocModel> = (None, parse_relocation_model, [TRACKED],
|
|
"control generation of position-independent code (PIC) \
|
|
(`rustc --print relocation-models` for details)"),
|
|
remark: Passes = (Passes::Some(Vec::new()), parse_passes, [UNTRACKED],
|
|
"print remarks for these optimization passes (space separated, or \"all\")"),
|
|
rpath: bool = (false, parse_bool, [UNTRACKED],
|
|
"set rpath values in libs/exes (default: no)"),
|
|
save_temps: bool = (false, parse_bool, [UNTRACKED],
|
|
"save all temporary output files during compilation (default: no)"),
|
|
soft_float: bool = (false, parse_bool, [TRACKED],
|
|
"use soft float ABI (*eabihf targets only) (default: no)"),
|
|
split_debuginfo: Option<SplitDebuginfo> = (None, parse_split_debuginfo, [TRACKED],
|
|
"how to handle split-debuginfo, a platform-specific option"),
|
|
strip: Strip = (Strip::None, parse_strip, [UNTRACKED],
|
|
"tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)"),
|
|
symbol_mangling_version: Option<SymbolManglingVersion> = (None,
|
|
parse_symbol_mangling_version, [TRACKED],
|
|
"which mangling version to use for symbol names ('legacy' (default) or 'v0')"),
|
|
target_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
|
|
"select target processor (`rustc --print target-cpus` for details)"),
|
|
target_feature: String = (String::new(), parse_target_feature, [TRACKED],
|
|
"target specific attributes. (`rustc --print target-features` for details). \
|
|
This feature is unsafe."),
|
|
|
|
// This list is in alphabetical order.
|
|
//
|
|
// If you add a new option, please update:
|
|
// - compiler/rustc_interface/src/tests.rs
|
|
// - src/doc/rustc/src/codegen-options/index.md
|
|
}
|
|
|
|
options! {
|
|
UnstableOptions, Z_OPTIONS, dbopts, "Z", "unstable",
|
|
|
|
// This list is in alphabetical order.
|
|
//
|
|
// If you add a new option, please update:
|
|
// - compiler/rustc_interface/src/tests.rs
|
|
// - src/doc/unstable-book/src/compiler-flags
|
|
|
|
allow_features: Option<Vec<String>> = (None, parse_opt_comma_list, [TRACKED],
|
|
"only allow the listed language features to be enabled in code (space separated)"),
|
|
always_encode_mir: bool = (false, parse_bool, [TRACKED],
|
|
"encode MIR of all functions into the crate metadata (default: no)"),
|
|
assume_incomplete_release: bool = (false, parse_bool, [TRACKED],
|
|
"make cfg(version) treat the current version as incomplete (default: no)"),
|
|
asm_comments: bool = (false, parse_bool, [TRACKED],
|
|
"generate comments into the assembly (may change behavior) (default: no)"),
|
|
assert_incr_state: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
|
"assert that the incremental cache is in given state: \
|
|
either `loaded` or `not-loaded`."),
|
|
binary_dep_depinfo: bool = (false, parse_bool, [TRACKED],
|
|
"include artifacts (sysroot, crate dependencies) used during compilation in dep-info \
|
|
(default: no)"),
|
|
box_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"emit noalias metadata for box (default: yes)"),
|
|
branch_protection: Option<BranchProtection> = (None, parse_branch_protection, [TRACKED],
|
|
"set options for branch target identification and pointer authentication on AArch64"),
|
|
cf_protection: CFProtection = (CFProtection::None, parse_cfprotection, [TRACKED],
|
|
"instrument control-flow architecture protection"),
|
|
cgu_partitioning_strategy: Option<String> = (None, parse_opt_string, [TRACKED],
|
|
"the codegen unit partitioning strategy to use"),
|
|
chalk: bool = (false, parse_bool, [TRACKED],
|
|
"enable the experimental Chalk-based trait solving engine"),
|
|
codegen_backend: Option<String> = (None, parse_opt_string, [TRACKED],
|
|
"the backend to use"),
|
|
combine_cgu: bool = (false, parse_bool, [TRACKED],
|
|
"combine CGUs into a single one"),
|
|
crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],
|
|
"inject the given attribute in the crate"),
|
|
debug_info_for_profiling: bool = (false, parse_bool, [TRACKED],
|
|
"emit discriminators and other data necessary for AutoFDO"),
|
|
debug_macros: bool = (false, parse_bool, [TRACKED],
|
|
"emit line numbers debug info inside macros (default: no)"),
|
|
deduplicate_diagnostics: bool = (true, parse_bool, [UNTRACKED],
|
|
"deduplicate identical diagnostics (default: yes)"),
|
|
dep_info_omit_d_target: bool = (false, parse_bool, [TRACKED],
|
|
"in dep-info output, omit targets for tracking dependencies of the dep-info files \
|
|
themselves (default: no)"),
|
|
dep_tasks: bool = (false, parse_bool, [UNTRACKED],
|
|
"print tasks that execute and the color their dep node gets (requires debug build) \
|
|
(default: no)"),
|
|
dlltool: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
|
|
"import library generation tool (windows-gnu only)"),
|
|
dont_buffer_diagnostics: bool = (false, parse_bool, [UNTRACKED],
|
|
"emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) \
|
|
(default: no)"),
|
|
drop_tracking: bool = (false, parse_bool, [TRACKED],
|
|
"enables drop tracking in generators (default: no)"),
|
|
dual_proc_macros: bool = (false, parse_bool, [TRACKED],
|
|
"load proc macros for both target and host, but only link to the target (default: no)"),
|
|
dump_dep_graph: bool = (false, parse_bool, [UNTRACKED],
|
|
"dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) \
|
|
(default: no)"),
|
|
dump_drop_tracking_cfg: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
|
"dump drop-tracking control-flow graph as a `.dot` file (default: no)"),
|
|
dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
|
"dump MIR state to file.
|
|
`val` is used to select which passes and functions to dump. For example:
|
|
`all` matches all passes and functions,
|
|
`foo` matches all passes for functions whose name contains 'foo',
|
|
`foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo',
|
|
`foo | bar` all passes for function names containing 'foo' or 'bar'."),
|
|
dump_mir_dataflow: bool = (false, parse_bool, [UNTRACKED],
|
|
"in addition to `.mir` files, create graphviz `.dot` files with dataflow results \
|
|
(default: no)"),
|
|
dump_mir_dir: String = ("mir_dump".to_string(), parse_string, [UNTRACKED],
|
|
"the directory the MIR is dumped into (default: `mir_dump`)"),
|
|
dump_mir_exclude_pass_number: bool = (false, parse_bool, [UNTRACKED],
|
|
"exclude the pass number when dumping MIR (used in tests) (default: no)"),
|
|
dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED],
|
|
"in addition to `.mir` files, create graphviz `.dot` files (and with \
|
|
`-Z instrument-coverage`, also create a `.dot` file for the MIR-derived \
|
|
coverage graph) (default: no)"),
|
|
dump_mir_spanview: Option<MirSpanview> = (None, parse_mir_spanview, [UNTRACKED],
|
|
"in addition to `.mir` files, create `.html` files to view spans for \
|
|
all `statement`s (including terminators), only `terminator` spans, or \
|
|
computed `block` spans (one span encompassing a block's terminator and \
|
|
all statements). If `-Z instrument-coverage` is also enabled, create \
|
|
an additional `.html` file showing the computed coverage spans."),
|
|
dwarf_version: Option<u32> = (None, parse_opt_number, [TRACKED],
|
|
"version of DWARF debug information to emit (default: 2 or 4, depending on platform)"),
|
|
emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED],
|
|
"emit a section containing stack size metadata (default: no)"),
|
|
emit_thin_lto: bool = (true, parse_bool, [TRACKED],
|
|
"emit the bc module with thin LTO info (default: yes)"),
|
|
export_executable_symbols: bool = (false, parse_bool, [TRACKED],
|
|
"export symbols from executables, as if they were dynamic libraries"),
|
|
fewer_names: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) \
|
|
(default: no)"),
|
|
force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED],
|
|
"force all crates to be `rustc_private` unstable (default: no)"),
|
|
fuel: Option<(String, u64)> = (None, parse_optimization_fuel, [TRACKED],
|
|
"set the optimization fuel quota for a crate"),
|
|
function_sections: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"whether each function should go in its own section"),
|
|
future_incompat_test: bool = (false, parse_bool, [UNTRACKED],
|
|
"forces all lints to be future incompatible, used for internal testing (default: no)"),
|
|
gcc_ld: Option<LdImpl> = (None, parse_gcc_ld, [TRACKED], "implementation of ld used by cc"),
|
|
graphviz_dark_mode: bool = (false, parse_bool, [UNTRACKED],
|
|
"use dark-themed colors in graphviz output (default: no)"),
|
|
graphviz_font: String = ("Courier, monospace".to_string(), parse_string, [UNTRACKED],
|
|
"use the given `fontname` in graphviz output; can be overridden by setting \
|
|
environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`)"),
|
|
hir_stats: bool = (false, parse_bool, [UNTRACKED],
|
|
"print some statistics about AST and HIR (default: no)"),
|
|
human_readable_cgu_names: bool = (false, parse_bool, [TRACKED],
|
|
"generate human-readable, predictable names for codegen units (default: no)"),
|
|
identify_regions: bool = (false, parse_bool, [UNTRACKED],
|
|
"display unnamed regions as `'<id>`, using a non-ident unique id (default: no)"),
|
|
incremental_ignore_spans: bool = (false, parse_bool, [UNTRACKED],
|
|
"ignore spans during ICH computation -- used for testing (default: no)"),
|
|
incremental_info: bool = (false, parse_bool, [UNTRACKED],
|
|
"print high-level information about incremental reuse (or the lack thereof) \
|
|
(default: no)"),
|
|
incremental_relative_spans: bool = (false, parse_bool, [TRACKED],
|
|
"hash spans relative to their parent item for incr. comp. (default: no)"),
|
|
incremental_verify_ich: bool = (false, parse_bool, [UNTRACKED],
|
|
"verify incr. comp. hashes of green query instances (default: no)"),
|
|
inline_mir: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"enable MIR inlining (default: no)"),
|
|
inline_mir_threshold: Option<usize> = (None, parse_opt_number, [TRACKED],
|
|
"a default MIR inlining threshold (default: 50)"),
|
|
inline_mir_hint_threshold: Option<usize> = (None, parse_opt_number, [TRACKED],
|
|
"inlining threshold for functions with inline hint (default: 100)"),
|
|
inline_in_all_cgus: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"control whether `#[inline]` functions are in all CGUs"),
|
|
input_stats: bool = (false, parse_bool, [UNTRACKED],
|
|
"gather statistics about the input (default: no)"),
|
|
instrument_coverage: Option<InstrumentCoverage> = (None, parse_instrument_coverage, [TRACKED],
|
|
"instrument the generated code to support LLVM source-based code coverage \
|
|
reports (note, the compiler build config must include `profiler = true`); \
|
|
implies `-C symbol-mangling-version=v0`. Optional values are:
|
|
`=all` (implicit value)
|
|
`=except-unused-generics`
|
|
`=except-unused-functions`
|
|
`=off` (default)"),
|
|
instrument_mcount: bool = (false, parse_bool, [TRACKED],
|
|
"insert function instrument code for mcount-based tracing (default: no)"),
|
|
keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
|
|
"keep hygiene data after analysis (default: no)"),
|
|
link_native_libraries: bool = (true, parse_bool, [UNTRACKED],
|
|
"link native libraries in the linker invocation (default: yes)"),
|
|
link_only: bool = (false, parse_bool, [TRACKED],
|
|
"link the `.rlink` file generated by `-Z no-link` (default: no)"),
|
|
llvm_plugins: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
|
"a list LLVM plugins to enable (space separated)"),
|
|
llvm_time_trace: bool = (false, parse_bool, [UNTRACKED],
|
|
"generate JSON tracing data file from LLVM data (default: no)"),
|
|
location_detail: LocationDetail = (LocationDetail::all(), parse_location_detail, [TRACKED],
|
|
"comma separated list of location details to be tracked when using caller_location \
|
|
valid options are `file`, `line`, and `column` (default: all)"),
|
|
ls: bool = (false, parse_bool, [UNTRACKED],
|
|
"list the symbols defined by a library crate (default: no)"),
|
|
macro_backtrace: bool = (false, parse_bool, [UNTRACKED],
|
|
"show macro backtraces (default: no)"),
|
|
merge_functions: Option<MergeFunctions> = (None, parse_merge_functions, [TRACKED],
|
|
"control the operation of the MergeFunctions LLVM pass, taking \
|
|
the same values as the target option of the same name"),
|
|
meta_stats: bool = (false, parse_bool, [UNTRACKED],
|
|
"gather metadata statistics (default: no)"),
|
|
mir_emit_retag: bool = (false, parse_bool, [TRACKED],
|
|
"emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 \
|
|
(default: no)"),
|
|
mir_enable_passes: Vec<(String, bool)> = (Vec::new(), parse_list_with_polarity, [TRACKED],
|
|
"use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be \
|
|
enabled, overriding all other checks. Passes that are not specified are enabled or \
|
|
disabled by other flags as usual."),
|
|
mir_opt_level: Option<usize> = (None, parse_opt_number, [TRACKED],
|
|
"MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds)"),
|
|
move_size_limit: Option<usize> = (None, parse_opt_number, [TRACKED],
|
|
"the size at which the `large_assignments` lint starts to be emitted"),
|
|
mutable_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"emit noalias metadata for mutable references (default: yes)"),
|
|
new_llvm_pass_manager: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"use new LLVM pass manager (default: no)"),
|
|
nll_facts: bool = (false, parse_bool, [UNTRACKED],
|
|
"dump facts from NLL analysis into side files (default: no)"),
|
|
nll_facts_dir: String = ("nll-facts".to_string(), parse_string, [UNTRACKED],
|
|
"the directory the NLL facts are dumped into (default: `nll-facts`)"),
|
|
no_analysis: bool = (false, parse_no_flag, [UNTRACKED],
|
|
"parse and expand the source, but run no analysis"),
|
|
no_codegen: bool = (false, parse_no_flag, [TRACKED_NO_CRATE_HASH],
|
|
"run all passes except codegen; no output"),
|
|
no_generate_arange_section: bool = (false, parse_no_flag, [TRACKED],
|
|
"omit DWARF address ranges that give faster lookups"),
|
|
no_interleave_lints: bool = (false, parse_no_flag, [UNTRACKED],
|
|
"execute lints separately; allows benchmarking individual lints"),
|
|
no_leak_check: bool = (false, parse_no_flag, [UNTRACKED],
|
|
"disable the 'leak check' for subtyping; unsound, but useful for tests"),
|
|
no_link: bool = (false, parse_no_flag, [TRACKED],
|
|
"compile without linking"),
|
|
no_parallel_llvm: bool = (false, parse_no_flag, [UNTRACKED],
|
|
"run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO)"),
|
|
no_unique_section_names: bool = (false, parse_bool, [TRACKED],
|
|
"do not use unique names for text and data sections when -Z function-sections is used"),
|
|
no_profiler_runtime: bool = (false, parse_no_flag, [TRACKED],
|
|
"prevent automatic injection of the profiler_builtins crate"),
|
|
normalize_docs: bool = (false, parse_bool, [TRACKED],
|
|
"normalize associated items in rustdoc when generating documentation"),
|
|
oom: OomStrategy = (OomStrategy::Abort, parse_oom_strategy, [TRACKED],
|
|
"panic strategy for out-of-memory handling"),
|
|
osx_rpath_install_name: bool = (false, parse_bool, [TRACKED],
|
|
"pass `-install_name @rpath/...` to the macOS linker (default: no)"),
|
|
diagnostic_width: Option<usize> = (None, parse_opt_number, [UNTRACKED],
|
|
"set the current output width for diagnostic truncation"),
|
|
panic_abort_tests: bool = (false, parse_bool, [TRACKED],
|
|
"support compiling tests with panic=abort (default: no)"),
|
|
panic_in_drop: PanicStrategy = (PanicStrategy::Unwind, parse_panic_strategy, [TRACKED],
|
|
"panic strategy for panics in drops"),
|
|
parse_only: bool = (false, parse_bool, [UNTRACKED],
|
|
"parse only; do not compile, assemble, or link (default: no)"),
|
|
perf_stats: bool = (false, parse_bool, [UNTRACKED],
|
|
"print some performance-related statistics (default: no)"),
|
|
pick_stable_methods_before_any_unstable: bool = (true, parse_bool, [TRACKED],
|
|
"try to pick stable methods first before picking any unstable methods (default: yes)"),
|
|
plt: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"whether to use the PLT when calling into shared libraries;
|
|
only has effect for PIC code on systems with ELF binaries
|
|
(default: PLT is disabled if full relro is enabled)"),
|
|
polonius: bool = (false, parse_bool, [TRACKED],
|
|
"enable polonius-based borrow-checker (default: no)"),
|
|
polymorphize: bool = (false, parse_bool, [TRACKED],
|
|
"perform polymorphization analysis"),
|
|
pre_link_arg: (/* redirected to pre_link_args */) = ((), parse_string_push, [UNTRACKED],
|
|
"a single extra argument to prepend the linker invocation (can be used several times)"),
|
|
pre_link_args: Vec<String> = (Vec::new(), parse_list, [UNTRACKED],
|
|
"extra arguments to prepend to the linker invocation (space separated)"),
|
|
precise_enum_drop_elaboration: bool = (true, parse_bool, [TRACKED],
|
|
"use a more precise version of drop elaboration for matches on enums (default: yes). \
|
|
This results in better codegen, but has caused miscompilations on some tier 2 platforms. \
|
|
See #77382 and #74551."),
|
|
print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
|
|
"make rustc print the total optimization fuel used by a crate"),
|
|
print_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
|
|
"print the LLVM optimization passes being run (default: no)"),
|
|
print_mono_items: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
|
"print the result of the monomorphization collection pass"),
|
|
print_type_sizes: bool = (false, parse_bool, [UNTRACKED],
|
|
"print layout information for each type encountered (default: no)"),
|
|
proc_macro_backtrace: bool = (false, parse_bool, [UNTRACKED],
|
|
"show backtraces for panics during proc-macro execution (default: no)"),
|
|
profile: bool = (false, parse_bool, [TRACKED],
|
|
"insert profiling code (default: no)"),
|
|
profile_closures: bool = (false, parse_no_flag, [UNTRACKED],
|
|
"profile size of closures"),
|
|
profile_emit: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
|
"file path to emit profiling data at runtime when using 'profile' \
|
|
(default based on relative source path)"),
|
|
profiler_runtime: String = (String::from("profiler_builtins"), parse_string, [TRACKED],
|
|
"name of the profiler runtime crate to automatically inject (default: `profiler_builtins`)"),
|
|
profile_sample_use: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
|
"use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO)"),
|
|
query_dep_graph: bool = (false, parse_bool, [UNTRACKED],
|
|
"enable queries of the dependency graph for regression testing (default: no)"),
|
|
randomize_layout: bool = (false, parse_bool, [TRACKED],
|
|
"randomize the layout of types (default: no)"),
|
|
layout_seed: Option<u64> = (None, parse_opt_number, [TRACKED],
|
|
"seed layout randomization"),
|
|
relax_elf_relocations: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"whether ELF relocations can be relaxed"),
|
|
relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED],
|
|
"choose which RELRO level to use"),
|
|
remap_cwd_prefix: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
|
"remap paths under the current working directory to this path prefix"),
|
|
simulate_remapped_rust_src_base: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
|
"simulate the effect of remap-debuginfo = true at bootstrapping by remapping path \
|
|
to rust's source base directory. only meant for testing purposes"),
|
|
report_delayed_bugs: bool = (false, parse_bool, [TRACKED],
|
|
"immediately print bugs registered with `delay_span_bug` (default: no)"),
|
|
sanitizer: SanitizerSet = (SanitizerSet::empty(), parse_sanitizers, [TRACKED],
|
|
"use a sanitizer"),
|
|
sanitizer_memory_track_origins: usize = (0, parse_sanitizer_memory_track_origins, [TRACKED],
|
|
"enable origins tracking in MemorySanitizer"),
|
|
sanitizer_recover: SanitizerSet = (SanitizerSet::empty(), parse_sanitizers, [TRACKED],
|
|
"enable recovery for selected sanitizers"),
|
|
saturating_float_casts: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"make float->int casts UB-free: numbers outside the integer type's range are clipped to \
|
|
the max/min integer respectively, and NaN is mapped to 0 (default: yes)"),
|
|
save_analysis: bool = (false, parse_bool, [UNTRACKED],
|
|
"write syntax and type analysis (in JSON format) information, in \
|
|
addition to normal output (default: no)"),
|
|
self_profile: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
|
|
parse_switch_with_opt_path, [UNTRACKED],
|
|
"run the self profiler and output the raw event data"),
|
|
/// keep this in sync with the event filter names in librustc_data_structures/profiling.rs
|
|
self_profile_events: Option<Vec<String>> = (None, parse_opt_comma_list, [UNTRACKED],
|
|
"specify the events recorded by the self profiler;
|
|
for example: `-Z self-profile-events=default,query-keys`
|
|
all options: none, all, default, generic-activity, query-provider, query-cache-hit
|
|
query-blocked, incr-cache-load, incr-result-hashing, query-keys, function-args, args, llvm, artifact-sizes"),
|
|
self_profile_counter: String = ("wall-time".to_string(), parse_string, [UNTRACKED],
|
|
"counter used by the self profiler (default: `wall-time`), one of:
|
|
`wall-time` (monotonic clock, i.e. `std::time::Instant`)
|
|
`instructions:u` (retired instructions, userspace-only)
|
|
`instructions-minus-irqs:u` (subtracting hardware interrupt counts for extra accuracy)"
|
|
),
|
|
share_generics: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"make the current crate share its generic instantiations"),
|
|
show_span: Option<String> = (None, parse_opt_string, [TRACKED],
|
|
"show spans for compiler debugging (expr|pat|ty)"),
|
|
span_debug: bool = (false, parse_bool, [UNTRACKED],
|
|
"forward proc_macro::Span's `Debug` impl to `Span`"),
|
|
/// o/w tests have closure@path
|
|
span_free_formats: bool = (false, parse_bool, [UNTRACKED],
|
|
"exclude spans when debug-printing compiler state (default: no)"),
|
|
src_hash_algorithm: Option<SourceFileHashAlgorithm> = (None, parse_src_file_hash, [TRACKED],
|
|
"hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`)"),
|
|
stack_protector: StackProtector = (StackProtector::None, parse_stack_protector, [TRACKED],
|
|
"control stack smash protection strategy (`rustc --print stack-protector-strategies` for details)"),
|
|
strict_init_checks: bool = (false, parse_bool, [TRACKED],
|
|
"control if mem::uninitialized and mem::zeroed panic on more UB"),
|
|
strip: Strip = (Strip::None, parse_strip, [UNTRACKED],
|
|
"tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)"),
|
|
split_dwarf_kind: SplitDwarfKind = (SplitDwarfKind::Split, parse_split_dwarf_kind, [TRACKED],
|
|
"split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform)
|
|
(default: `split`)
|
|
|
|
`split`: sections which do not require relocation are written into a DWARF object (`.dwo`)
|
|
file which is ignored by the linker
|
|
`single`: sections which do not require relocation are written into object file but ignored
|
|
by the linker"),
|
|
split_dwarf_inlining: bool = (true, parse_bool, [TRACKED],
|
|
"provide minimal debug info in the object/executable to facilitate online \
|
|
symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF"),
|
|
symbol_mangling_version: Option<SymbolManglingVersion> = (None,
|
|
parse_symbol_mangling_version, [TRACKED],
|
|
"which mangling version to use for symbol names ('legacy' (default) or 'v0')"),
|
|
teach: bool = (false, parse_bool, [TRACKED],
|
|
"show extended diagnostic help (default: no)"),
|
|
temps_dir: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
|
"the directory the intermediate files are written to"),
|
|
// Diagnostics are considered side-effects of a query (see `QuerySideEffects`) and are saved
|
|
// alongside query results and changes to translation options can affect diagnostics - so
|
|
// translation options should be tracked.
|
|
translate_lang: Option<LanguageIdentifier> = (None, parse_opt_langid, [TRACKED],
|
|
"language identifier for diagnostic output"),
|
|
translate_additional_ftl: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
|
"additional fluent translation to preferentially use (for testing translation)"),
|
|
translate_directionality_markers: bool = (false, parse_bool, [TRACKED],
|
|
"emit directionality isolation markers in translated diagnostics"),
|
|
tune_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
|
|
"select processor to schedule for (`rustc --print target-cpus` for details)"),
|
|
thinlto: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"enable ThinLTO when possible"),
|
|
thir_unsafeck: bool = (false, parse_bool, [TRACKED],
|
|
"use the THIR unsafety checker (default: no)"),
|
|
/// We default to 1 here since we want to behave like
|
|
/// a sequential compiler for now. This'll likely be adjusted
|
|
/// in the future. Note that -Zthreads=0 is the way to get
|
|
/// the num_cpus behavior.
|
|
threads: usize = (1, parse_threads, [UNTRACKED],
|
|
"use a thread pool with N threads"),
|
|
time: bool = (false, parse_bool, [UNTRACKED],
|
|
"measure time of rustc processes (default: no)"),
|
|
time_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
|
|
"measure time of each LLVM pass (default: no)"),
|
|
time_passes: bool = (false, parse_bool, [UNTRACKED],
|
|
"measure time of each rustc pass (default: no)"),
|
|
tls_model: Option<TlsModel> = (None, parse_tls_model, [TRACKED],
|
|
"choose the TLS model to use (`rustc --print tls-models` for details)"),
|
|
trace_macros: bool = (false, parse_bool, [UNTRACKED],
|
|
"for every macro invocation, print its name and arguments (default: no)"),
|
|
translate_remapped_path_to_local_path: bool = (true, parse_bool, [TRACKED],
|
|
"translate remapped paths into local paths when possible (default: yes)"),
|
|
trap_unreachable: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"generate trap instructions for unreachable intrinsics (default: use target setting, usually yes)"),
|
|
treat_err_as_bug: Option<NonZeroUsize> = (None, parse_treat_err_as_bug, [TRACKED],
|
|
"treat error number `val` that occurs as bug"),
|
|
trim_diagnostic_paths: bool = (true, parse_bool, [UNTRACKED],
|
|
"in diagnostics, use heuristics to shorten paths referring to items"),
|
|
ui_testing: bool = (false, parse_bool, [UNTRACKED],
|
|
"emit compiler diagnostics in a form suitable for UI testing (default: no)"),
|
|
uninit_const_chunk_threshold: usize = (16, parse_number, [TRACKED],
|
|
"allow generating const initializers with mixed init/uninit chunks, \
|
|
and set the maximum number of chunks for which this is allowed (default: 16)"),
|
|
unleash_the_miri_inside_of_you: bool = (false, parse_bool, [TRACKED],
|
|
"take the brakes off const evaluation. NOTE: this is unsound (default: no)"),
|
|
unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED],
|
|
"present the input source, unstable (and less-pretty) variants;
|
|
`normal`, `identified`,
|
|
`expanded`, `expanded,identified`,
|
|
`expanded,hygiene` (with internal representations),
|
|
`ast-tree` (raw AST before expansion),
|
|
`ast-tree,expanded` (raw AST after expansion),
|
|
`hir` (the HIR), `hir,identified`,
|
|
`hir,typed` (HIR with types for each node),
|
|
`hir-tree` (dump the raw HIR),
|
|
`mir` (the MIR), or `mir-cfg` (graphviz formatted MIR)"),
|
|
unsound_mir_opts: bool = (false, parse_bool, [TRACKED],
|
|
"enable unsound and buggy MIR optimizations (default: no)"),
|
|
/// This name is kind of confusing: Most unstable options enable something themselves, while
|
|
/// this just allows "normal" options to be feature-gated.
|
|
unstable_options: bool = (false, parse_bool, [UNTRACKED],
|
|
"adds unstable command line options to rustc interface (default: no)"),
|
|
use_ctors_section: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
|
"use legacy .ctors section for initializers rather than .init_array"),
|
|
validate_mir: bool = (false, parse_bool, [UNTRACKED],
|
|
"validate MIR after each transformation"),
|
|
verbose: bool = (false, parse_bool, [UNTRACKED],
|
|
"in general, enable more debug printouts (default: no)"),
|
|
verify_llvm_ir: bool = (false, parse_bool, [TRACKED],
|
|
"verify LLVM IR (default: no)"),
|
|
virtual_function_elimination: bool = (false, parse_bool, [TRACKED],
|
|
"enables dead virtual function elimination optimization. \
|
|
Requires `-Clto[=[fat,yes]]`"),
|
|
wasi_exec_model: Option<WasiExecModel> = (None, parse_wasi_exec_model, [TRACKED],
|
|
"whether to build a wasi command or reactor"),
|
|
|
|
// This list is in alphabetical order.
|
|
//
|
|
// If you add a new option, please update:
|
|
// - compiler/rustc_interface/src/tests.rs
|
|
}
|
|
|
|
#[derive(Clone, Hash, PartialEq, Eq, Debug)]
|
|
pub enum WasiExecModel {
|
|
Command,
|
|
Reactor,
|
|
}
|
|
|
|
#[derive(Clone, Copy, Hash)]
|
|
pub enum LdImpl {
|
|
Lld,
|
|
}
|