1 files changed, 18 insertions, 0 deletions
diff --git a/gdb/dwarf2/attribute.h b/gdb/dwarf2/attribute.h
index ec4f3d8..31ff018 100644
--- a/gdb/dwarf2/attribute.h
+++ b/gdb/dwarf2/attribute.h
@@ -114,6 +114,15 @@ struct attribute
      returned.  */
   std::optional<ULONGEST> unsigned_constant () const;
 
+  /* Return a signed constant value.  This only handles constant forms
+     (i.e., form_is_constant -- and not the extended list of
+     "unsigned" forms) and assumes a signed value is desired.  This
+     function will sign-extend DW_FORM_data* values.
+
+     If non-constant form is used, then complaint is issued and an
+     empty value is returned.  */
+  std::optional<LONGEST> signed_constant () const;
+
   /* Return non-zero if ATTR's value falls in the 'constant' class, or
      zero otherwise.  When this function returns true, you can apply
      the constant_value method to it.
@@ -166,6 +175,15 @@ struct attribute
      false.  */
   bool form_is_strictly_signed () const;
 
+  /* Check if the attribute's form is an unsigned constant form.  This
+     only returns true for forms that are strictly unsigned -- that
+     is, for a context-dependent form like DW_FORM_data1, this returns
+     false.  */
+  bool form_is_strictly_unsigned () const
+  {
+    return form == DW_FORM_udata;
+  }
+
   /* Check if the attribute's form is a form that requires
      "reprocessing".  */
   bool form_requires_reprocessing () const;