re PR debug/7081 (DWARF enhancements for C++)

gcc/ChangeLog:
PR debug/7081
* dwarf2out.c (dwarf_tag_name): Synchronize with dwarf2.h.
(is_type_die): Cover interface types.
(class_or_namespace_scope_p): Cover interface and class types.
(record_type_tag): New.
(gen_inlined_structure_type_die): Use it.
(gen_struct_or_union_type_die): Likewise.
(prune_unused_types_walk): Cover interface types.
* langhooks.h (classify_record): New enum.
(classify_record): New member in struct langhooks_for_types.
* langhooks-def.h (LANG_HOOKS_CLASSIFY_RECORD): New.
(LANGHOOKS_FOR_TYPES_INITIALIZER): Adjust.
gcc/cp/ChangeLog:
PR debug/7081
* cp-lang.c (cp_classify_record): New.
(LANG_HOOKS_CLASSIFY_RECORD): Override.
gcc/java/ChangeLog:
PR debug/7081
* lang.c (java_classify_record): New.
(LANG_HOOKS_CLASSIFY_RECORD): Override.

From-SVN: r130960

1 files changed, 8 insertions, 0 deletions

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 0b97f26cabe..bbbcc6808c0 100644
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -33,6 +33,9 @@ struct array_descr_info;
 /* A print hook for print_tree ().  */
 typedef void (*lang_print_tree_hook) (FILE *, tree, int indent);
 
+enum classify_record
+  { RECORD_IS_STRUCT, RECORD_IS_CLASS, RECORD_IS_INTERFACE };
+
 /* The following hooks are documented in langhooks.c.  Must not be
    NULL.  */
 
@@ -91,6 +94,11 @@ struct lang_hooks_for_types
      language-specific processing is required.  */
   tree (*make_type) (enum tree_code);
 
+  /* Return what kind of RECORD_TYPE this is, mainly for purposes of
+     debug information.  If not defined, record types are assumed to
+     be structures.  */
+  enum classify_record (*classify_record) (tree);
+
   /* Given MODE and UNSIGNEDP, return a suitable type-tree with that
      mode.  */
   tree (*type_for_mode) (enum machine_mode, int);