elf: support BTF map definitions using a typedef

Accept typedef'd structs in addition to regular anonymous structs. Fixes #1126 Signed-off-by: anjmao <[email protected]>
cilium · Oct 10, 2023 · 2f65278 · 2f65278
1 parent 23be709
commit 2f65278
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/elf_reader.go b/elf_reader.go
@@ -750,7 +750,7 @@ func (ec *elfCode) loadBTFMaps() error {
 			}
 
 			// Each Var representing a BTF map definition contains a Struct.
-			mapStruct, ok := v.Type.(*btf.Struct)
+			mapStruct, ok := btf.UnderlyingType(v.Type).(*btf.Struct)
 			if !ok {
 				return fmt.Errorf("expected struct, got %s", v.Type)
 			}