pub type LinkArgs = BTreeMap<LinkerFlavor, Vec<StaticCow<str>>>;
-#[derive(Clone, Copy, Hash, Debug, PartialEq, Eq)]
+/// Which kind of debuginfo does the target use?
+///
+/// Useful in determining whether a target supports Split DWARF (a target with
+/// `DebuginfoKind::Dwarf` and supporting `SplitDebuginfo::Unpacked` for example).
+#[derive(Clone, Copy, Debug, Default, Eq, Hash, PartialEq)]
+pub enum DebuginfoKind {
+ /// DWARF debuginfo (such as that used on `x86_64_unknown_linux_gnu`).
+ #[default]
+ Dwarf,
+ /// DWARF debuginfo in dSYM files (such as on Apple platforms).
+ DwarfDsym,
+ /// Program database files (such as on Windows).
+ Pdb,
+}
+
+impl DebuginfoKind {
+ fn as_str(&self) -> &'static str {
+ match self {
+ DebuginfoKind::Dwarf => "dwarf",
+ DebuginfoKind::DwarfDsym => "dwarf-dsym",
+ DebuginfoKind::Pdb => "pdb",
+ }
+ }
+}
+
+impl FromStr for DebuginfoKind {
+ type Err = ();
+
+ fn from_str(s: &str) -> Result<Self, ()> {
+ Ok(match s {
+ "dwarf" => DebuginfoKind::Dwarf,
+ "dwarf-dsym" => DebuginfoKind::DwarfDsym,
+ "pdb" => DebuginfoKind::Pdb,
+ _ => return Err(()),
+ })
+ }
+}
+
+impl ToJson for DebuginfoKind {
+ fn to_json(&self) -> Json {
+ self.as_str().to_json()
+ }
+}
+
+impl fmt::Display for DebuginfoKind {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.write_str(self.as_str())
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default, Eq, Hash, PartialEq)]
pub enum SplitDebuginfo {
/// Split debug-information is disabled, meaning that on supported platforms
/// you can find all debug information in the executable itself. This is
///
/// * Windows - not supported
/// * macOS - don't run `dsymutil`
- /// * ELF - `.dwarf_*` sections
+ /// * ELF - `.debug_*` sections
+ #[default]
Off,
/// Split debug-information can be found in a "packed" location separate
///
/// * Windows - `*.pdb`
/// * macOS - `*.dSYM` (run `dsymutil`)
- /// * ELF - `*.dwp` (run `rust-llvm-dwp`)
+ /// * ELF - `*.dwp` (run `thorin`)
Packed,
/// Split debug-information can be found in individual object files on the
impl FromStr for SplitDebuginfo {
type Err = ();
- fn from_str(s: &str) -> Result<SplitDebuginfo, ()> {
+ fn from_str(s: &str) -> Result<Self, ()> {
Ok(match s {
"off" => SplitDebuginfo::Off,
"unpacked" => SplitDebuginfo::Unpacked,
}
macro_rules! supported_targets {
- ( $(($( $triple:literal, )+ $module:ident ),)+ ) => {
+ ( $(($triple:literal, $module:ident ),)+ ) => {
$(mod $module;)+
/// List of supported targets
- pub const TARGETS: &[&str] = &[$($($triple),+),+];
+ pub const TARGETS: &[&str] = &[$($triple),+];
fn load_builtin(target: &str) -> Option<Target> {
let mut t = match target {
- $( $($triple)|+ => $module::target(), )+
+ $( $triple => $module::target(), )+
_ => return None,
};
t.is_builtin = true;
$(
#[test] // `#[test]`
fn $module() {
- tests_impl::test_target(super::$module::target());
+ tests_impl::test_target(super::$module::target(), $triple);
}
)+
}
/// thumb and arm interworking.
pub has_thumb_interworking: bool,
+ /// Which kind of debuginfo is used by this target?
+ pub debuginfo_kind: DebuginfoKind,
/// How to handle split debug information, if at all. Specifying `None` has
/// target-specific meaning.
pub split_debuginfo: SplitDebuginfo,
+ /// Which kinds of split debuginfo are supported by the target?
+ pub supported_split_debuginfo: StaticCow<[SplitDebuginfo]>,
/// The sanitizers supported by this target
///
match flavor {
LinkerFlavor::Ld => insert(LinkerFlavor::Lld(LldFlavor::Ld)),
LinkerFlavor::Msvc => insert(LinkerFlavor::Lld(LldFlavor::Link)),
- LinkerFlavor::Lld(LldFlavor::Wasm) => {}
+ LinkerFlavor::Lld(LldFlavor::Ld64) | LinkerFlavor::Lld(LldFlavor::Wasm) => {}
LinkerFlavor::Lld(lld_flavor) => {
panic!("add_link_args: use non-LLD flavor for {:?}", lld_flavor)
}
use_ctors_section: false,
eh_frame_header: true,
has_thumb_interworking: false,
- split_debuginfo: SplitDebuginfo::Off,
+ debuginfo_kind: Default::default(),
+ split_debuginfo: Default::default(),
+ // `Off` is supported by default, but targets can remove this manually, e.g. Windows.
+ supported_split_debuginfo: Cow::Borrowed(&[SplitDebuginfo::Off]),
supported_sanitizers: SanitizerSet::empty(),
default_adjusted_cabi: None,
c_enum_min_bits: 32,
Some(Ok(()))
})).unwrap_or(Ok(()))
} );
+ ($key_name:ident, DebuginfoKind) => ( {
+ let name = (stringify!($key_name)).replace("_", "-");
+ obj.remove(&name).and_then(|o| o.as_str().and_then(|s| {
+ match s.parse::<DebuginfoKind>() {
+ Ok(level) => base.$key_name = level,
+ _ => return Some(Err(
+ format!("'{s}' is not a valid value for debuginfo-kind. Use 'dwarf', \
+ 'dwarf-dsym' or 'pdb'.")
+ )),
+ }
+ Some(Ok(()))
+ })).unwrap_or(Ok(()))
+ } );
($key_name:ident, SplitDebuginfo) => ( {
let name = (stringify!($key_name)).replace("_", "-");
obj.remove(&name).and_then(|o| o.as_str().and_then(|s| {
}
}
} );
+ ($key_name:ident, falliable_list) => ( {
+ let name = (stringify!($key_name)).replace("_", "-");
+ obj.remove(&name).and_then(|j| {
+ if let Some(v) = j.as_array() {
+ match v.iter().map(|a| FromStr::from_str(a.as_str().unwrap())).collect() {
+ Ok(l) => { base.$key_name = l },
+ // FIXME: `falliable_list` can't re-use the `key!` macro for list
+ // elements and the error messages from that macro, so it has a bad
+ // generic message instead
+ Err(_) => return Some(Err(
+ format!("`{:?}` is not a valid value for `{}`", j, name)
+ )),
+ }
+ } else {
+ incorrect_type.push(name)
+ }
+ Some(Ok(()))
+ }).unwrap_or(Ok(()))
+ } );
($key_name:ident, optional) => ( {
let name = (stringify!($key_name)).replace("_", "-");
if let Some(o) = obj.remove(&name) {
key!(use_ctors_section, bool);
key!(eh_frame_header, bool);
key!(has_thumb_interworking, bool);
+ key!(debuginfo_kind, DebuginfoKind)?;
key!(split_debuginfo, SplitDebuginfo)?;
+ key!(supported_split_debuginfo, falliable_list)?;
key!(supported_sanitizers, SanitizerSet)?;
key!(default_adjusted_cabi, Option<Abi>)?;
key!(c_enum_min_bits, u64);
load_builtin(target_triple).expect("built-in target")
}
TargetTriple::TargetJson { .. } => {
- panic!("built-in targets doens't support target-paths")
+ panic!("built-in targets doesn't support target-paths")
}
}
}
target_option_val!(use_ctors_section);
target_option_val!(eh_frame_header);
target_option_val!(has_thumb_interworking);
+ target_option_val!(debuginfo_kind);
target_option_val!(split_debuginfo);
+ target_option_val!(supported_split_debuginfo);
target_option_val!(supported_sanitizers);
target_option_val!(c_enum_min_bits);
target_option_val!(generate_arange_section);