diff options
Diffstat (limited to 'tests/funcretval.c')
| -rw-r--r-- | tests/funcretval.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tests/funcretval.c b/tests/funcretval.c index 16cd1a44..41198ab7 100644 --- a/tests/funcretval.c +++ b/tests/funcretval.c @@ -1,5 +1,6 @@ /* Test program for dwfl_module_return_value_location. Copyright (C) 2005 Red Hat, Inc. + Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org> This file is part of elfutils. This file is free software; you can redistribute it and/or modify @@ -67,7 +68,18 @@ handle_function (Dwarf_Die *funcdie, void *arg) error (EXIT_FAILURE, 0, "dwfl_module_return_value_location: %s", dwfl_errmsg (-1)); else if (nlocops == 0) - puts ("returns no value"); + { + // Check if this is the special unspecified type + // https://sourceware.org/bugzilla/show_bug.cgi?id=30047 + Dwarf_Die die_mem, *typedie = &die_mem; + Dwarf_Attribute attr_mem, *attr; + attr = dwarf_attr_integrate (funcdie, DW_AT_type, &attr_mem); + if (dwarf_formref_die (attr, typedie) != NULL + && dwarf_tag (typedie) == DW_TAG_unspecified_type) + puts ("returns unspecified type"); + else + puts ("returns no value"); + } else { printf ("return value location:"); |