diff options
Diffstat (limited to 'compiler/rustc_metadata/src/native_libs.rs')
| -rw-r--r-- | compiler/rustc_metadata/src/native_libs.rs | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/compiler/rustc_metadata/src/native_libs.rs b/compiler/rustc_metadata/src/native_libs.rs index 4d276f814ef..ed0f084ea83 100644 --- a/compiler/rustc_metadata/src/native_libs.rs +++ b/compiler/rustc_metadata/src/native_libs.rs @@ -700,8 +700,21 @@ impl<'tcx> Collector<'tcx> { .link_ordinal .map_or(import_name_type, |ord| Some(PeImportNameType::Ordinal(ord))); + let name = codegen_fn_attrs.link_name.unwrap_or_else(|| self.tcx.item_name(item)); + + if self.tcx.sess.target.binary_format == BinaryFormat::Elf { + let name = name.as_str(); + if name.contains('\0') { + self.tcx.dcx().emit_err(errors::RawDylibMalformed { span }); + } else if let Some((left, right)) = name.split_once('@') + && (left.is_empty() || right.is_empty() || right.contains('@')) + { + self.tcx.dcx().emit_err(errors::RawDylibMalformed { span }); + } + } + DllImport { - name: codegen_fn_attrs.link_name.unwrap_or_else(|| self.tcx.item_name(item)), + name, import_name_type, calling_convention, span, |