Method declare_function

cranelift/object/src/backend.rs:315–348

(
        &mut self,
        name: &str,
        linkage: Linkage,
        signature: &ir::Signature,
    )

    }

    fn declare_function(
        &mut self,
        name: &str,
        linkage: Linkage,
        signature: &ir::Signature,
    ) -> ModuleResult<FuncId> {
        validate_symbol(name)?;

        let (id, linkage) = self
            .declarations
            .declare_function(name, linkage, signature)?;

        let (scope, weak) = translate_linkage(linkage);

        if let Some((function, _defined)) = self.functions[id] {
            let symbol = self.object.symbol_mut(function);
            symbol.scope = scope;
            symbol.weak = weak;
        } else {
            let symbol_id = self.object.add_symbol(Symbol {
                name: name.as_bytes().to_vec(),
                value: 0,
                size: 0,
                kind: SymbolKind::Text,
                scope,
                weak,
                section: SymbolSection::Undefined,
                flags: SymbolFlags::None,
            });
            self.functions[id] = Some((symbol_id, false));
        }

        Ok(id)
    }

    fn declare_anonymous_function(&mut self, signature: &ir::Signature) -> ModuleResult<FuncId> {
        let id = self.declarations.declare_anonymous_function(signature)?;