add compile error for calling naked function

ziglang · Jan 29, 2018 · 1c60f31 · 1c60f31
1 parent 2b5e0b6
commit 1c60f31
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/src/ir.cpp b/src/ir.cpp
@@ -9837,6 +9837,15 @@ static TypeTableEntry *ir_analyze_fn_call(IrAnalyze *ira, IrInstructionCall *cal
 
     AstNode *fn_proto_node = fn_entry ? fn_entry->proto_node : nullptr;;
 
+    if (fn_type_id->cc == CallingConventionNaked) {
+        ErrorMsg *msg = ir_add_error(ira, fn_ref, buf_sprintf("unable to call function with naked calling convention"));
+        if (fn_proto_node) {
+            add_error_note(ira->codegen, msg, fn_proto_node, buf_sprintf("declared here"));
+        }
+        return ira->codegen->builtin_types.entry_invalid;
+    }
+
+
     if (fn_type_id->is_var_args) {
         if (call_param_count < src_param_count) {
             ErrorMsg *msg = ir_add_error_node(ira, source_node,

diff --git a/test/compile_errors.zig b/test/compile_errors.zig
@@ -1,6 +1,16 @@
 const tests = @import("tests.zig");
 
 pub fn addCases(cases: &tests.CompileErrorContext) void {
+    cases.add("calling function with naked calling convention",
+        \\export fn entry() void {
+        \\    foo();
+        \\}
+        \\nakedcc fn foo() void { }
+    ,
+        ".tmp_source.zig:2:5: error: unable to call function with naked calling convention",
+        ".tmp_source.zig:4:9: note: declared here");
+
+
     cases.add("function with invalid return type",
         \\export fn foo() boid {}
     , ".tmp_source.zig:1:17: error: use of undeclared identifier 'boid'");