1 files changed, 256 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs
new file mode 100644
index 00000000000..e15eda7c66c
--- /dev/null
+++ b/compiler/rustc_codegen_llvm/src/errors.rs
@@ -0,0 +1,256 @@
+use std::borrow::Cow;
+use std::ffi::CString;
+use std::path::Path;
+
+use crate::fluent_generated as fluent;
+use rustc_data_structures::small_c_str::SmallCStr;
+use rustc_errors::{Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level};
+use rustc_macros::{Diagnostic, Subdiagnostic};
+use rustc_span::Span;
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_unknown_ctarget_feature_prefix)]
+#[note]
+pub(crate) struct UnknownCTargetFeaturePrefix<'a> {
+    pub feature: &'a str,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_unknown_ctarget_feature)]
+#[note]
+pub(crate) struct UnknownCTargetFeature<'a> {
+    pub feature: &'a str,
+    #[subdiagnostic]
+    pub rust_feature: PossibleFeature<'a>,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_unstable_ctarget_feature)]
+#[note]
+pub(crate) struct UnstableCTargetFeature<'a> {
+    pub feature: &'a str,
+}
+
+#[derive(Subdiagnostic)]
+pub(crate) enum PossibleFeature<'a> {
+    #[help(codegen_llvm_possible_feature)]
+    Some { rust_feature: &'a str },
+    #[help(codegen_llvm_consider_filing_feature_request)]
+    None,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_error_creating_import_library)]
+pub(crate) struct ErrorCreatingImportLibrary<'a> {
+    pub lib_name: &'a str,
+    pub error: String,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_symbol_already_defined)]
+pub(crate) struct SymbolAlreadyDefined<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub symbol_name: &'a str,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_invalid_minimum_alignment_not_power_of_two)]
+pub(crate) struct InvalidMinimumAlignmentNotPowerOfTwo {
+    pub align: u64,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_invalid_minimum_alignment_too_large)]
+pub(crate) struct InvalidMinimumAlignmentTooLarge {
+    pub align: u64,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_sanitizer_memtag_requires_mte)]
+pub(crate) struct SanitizerMemtagRequiresMte;
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_error_writing_def_file)]
+pub(crate) struct ErrorWritingDEFFile {
+    pub error: std::io::Error,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_error_calling_dlltool)]
+pub(crate) struct ErrorCallingDllTool<'a> {
+    pub dlltool_path: Cow<'a, str>,
+    pub error: std::io::Error,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_dlltool_fail_import_library)]
+pub(crate) struct DlltoolFailImportLibrary<'a> {
+    pub dlltool_path: Cow<'a, str>,
+    pub dlltool_args: String,
+    pub stdout: Cow<'a, str>,
+    pub stderr: Cow<'a, str>,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_dynamic_linking_with_lto)]
+#[note]
+pub(crate) struct DynamicLinkingWithLTO;
+
+pub(crate) struct ParseTargetMachineConfig<'a>(pub LlvmError<'a>);
+
+impl<G: EmissionGuarantee> Diagnostic<'_, G> for ParseTargetMachineConfig<'_> {
+    fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> {
+        let diag: Diag<'_, G> = self.0.into_diag(dcx, level);
+        let (message, _) = diag.messages.first().expect("`LlvmError` with no message");
+        let message = dcx.eagerly_translate_to_string(message.clone(), diag.args.iter());
+        Diag::new(dcx, level, fluent::codegen_llvm_parse_target_machine_config)
+            .with_arg("error", message)
+    }
+}
+
+pub(crate) struct TargetFeatureDisableOrEnable<'a> {
+    pub features: &'a [&'a str],
+    pub span: Option<Span>,
+    pub missing_features: Option<MissingFeatures>,
+}
+
+#[derive(Subdiagnostic)]
+#[help(codegen_llvm_missing_features)]
+pub(crate) struct MissingFeatures;
+
+impl<G: EmissionGuarantee> Diagnostic<'_, G> for TargetFeatureDisableOrEnable<'_> {
+    fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> {
+        let mut diag = Diag::new(dcx, level, fluent::codegen_llvm_target_feature_disable_or_enable);
+        if let Some(span) = self.span {
+            diag.span(span);
+        };
+        if let Some(missing_features) = self.missing_features {
+            diag.subdiagnostic(dcx, missing_features);
+        }
+        diag.arg("features", self.features.join(", "));
+        diag
+    }
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_lto_disallowed)]
+pub(crate) struct LtoDisallowed;
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_lto_dylib)]
+pub(crate) struct LtoDylib;
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_lto_proc_macro)]
+pub(crate) struct LtoProcMacro;
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_lto_bitcode_from_rlib)]
+pub(crate) struct LtoBitcodeFromRlib {
+    pub llvm_err: String,
+}
+
+#[derive(Diagnostic)]
+pub enum LlvmError<'a> {
+    #[diag(codegen_llvm_write_output)]
+    WriteOutput { path: &'a Path },
+    #[diag(codegen_llvm_target_machine)]
+    CreateTargetMachine { triple: SmallCStr },
+    #[diag(codegen_llvm_run_passes)]
+    RunLlvmPasses,
+    #[diag(codegen_llvm_serialize_module)]
+    SerializeModule { name: &'a str },
+    #[diag(codegen_llvm_write_ir)]
+    WriteIr { path: &'a Path },
+    #[diag(codegen_llvm_prepare_thin_lto_context)]
+    PrepareThinLtoContext,
+    #[diag(codegen_llvm_load_bitcode)]
+    LoadBitcode { name: CString },
+    #[diag(codegen_llvm_write_thinlto_key)]
+    WriteThinLtoKey { err: std::io::Error },
+    #[diag(codegen_llvm_multiple_source_dicompileunit)]
+    MultipleSourceDiCompileUnit,
+    #[diag(codegen_llvm_prepare_thin_lto_module)]
+    PrepareThinLtoModule,
+    #[diag(codegen_llvm_parse_bitcode)]
+    ParseBitcode,
+}
+
+pub(crate) struct WithLlvmError<'a>(pub LlvmError<'a>, pub String);
+
+impl<G: EmissionGuarantee> Diagnostic<'_, G> for WithLlvmError<'_> {
+    fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> {
+        use LlvmError::*;
+        let msg_with_llvm_err = match &self.0 {
+            WriteOutput { .. } => fluent::codegen_llvm_write_output_with_llvm_err,
+            CreateTargetMachine { .. } => fluent::codegen_llvm_target_machine_with_llvm_err,
+            RunLlvmPasses => fluent::codegen_llvm_run_passes_with_llvm_err,
+            SerializeModule { .. } => fluent::codegen_llvm_serialize_module_with_llvm_err,
+            WriteIr { .. } => fluent::codegen_llvm_write_ir_with_llvm_err,
+            PrepareThinLtoContext => fluent::codegen_llvm_prepare_thin_lto_context_with_llvm_err,
+            LoadBitcode { .. } => fluent::codegen_llvm_load_bitcode_with_llvm_err,
+            WriteThinLtoKey { .. } => fluent::codegen_llvm_write_thinlto_key_with_llvm_err,
+            MultipleSourceDiCompileUnit => {
+                fluent::codegen_llvm_multiple_source_dicompileunit_with_llvm_err
+            }
+            PrepareThinLtoModule => fluent::codegen_llvm_prepare_thin_lto_module_with_llvm_err,
+            ParseBitcode => fluent::codegen_llvm_parse_bitcode_with_llvm_err,
+        };
+        self.0
+            .into_diag(dcx, level)
+            .with_primary_message(msg_with_llvm_err)
+            .with_arg("llvm_err", self.1)
+    }
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_from_llvm_optimization_diag)]
+pub(crate) struct FromLlvmOptimizationDiag<'a> {
+    pub filename: &'a str,
+    pub line: std::ffi::c_uint,
+    pub column: std::ffi::c_uint,
+    pub pass_name: &'a str,
+    pub kind: &'a str,
+    pub message: &'a str,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_from_llvm_diag)]
+pub(crate) struct FromLlvmDiag {
+    pub message: String,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_write_bytecode)]
+pub(crate) struct WriteBytecode<'a> {
+    pub path: &'a Path,
+    pub err: std::io::Error,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_copy_bitcode)]
+pub(crate) struct CopyBitcode {
+    pub err: std::io::Error,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_unknown_debuginfo_compression)]
+pub struct UnknownCompression {
+    pub algorithm: &'static str,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_mismatch_data_layout)]
+pub struct MismatchedDataLayout<'a> {
+    pub rustc_target: &'a str,
+    pub rustc_layout: &'a str,
+    pub llvm_target: &'a str,
+    pub llvm_layout: &'a str,
+}
+
+#[derive(Diagnostic)]
+#[diag(codegen_llvm_invalid_target_feature_prefix)]
+pub(crate) struct InvalidTargetFeaturePrefix<'a> {
+    pub feature: &'a str,
+}