gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / cp-abi.c

diff --git a/gdb/cp-abi.c b/gdb/cp-abi.c
index d95b1404dce6578860e1e8267fa1142ab809b601..cd6bf82155761ef1cd7b920cec8b5e62fe2faf6a 100644 (file)
--- a/gdb/cp-abi.c
+++ b/gdb/cp-abi.c
@@ -1,6 +1,6 @@
 /* Generic code for supporting multiple C++ ABI's
 
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -109,7 +109,8 @@ value_rtti_type (struct value *v, int *full,
 {
   struct type *ret = NULL;
 
-  if ((current_cp_abi.rtti_type) == NULL)
+  if ((current_cp_abi.rtti_type) == NULL
+      || !HAVE_CPLUS_STRUCT (check_typedef (value_type (v))))
     return NULL;
   try
     {
@@ -219,11 +220,13 @@ cplus_typename_from_type_info (struct value *value)
   return (*current_cp_abi.get_typename_from_type_info) (value);
 }
 
-int
+/* See cp-abi.h.  */
+
+struct language_pass_by_ref_info
 cp_pass_by_reference (struct type *type)
 {
   if ((current_cp_abi.pass_by_reference) == NULL)
-    return 0;
+    return {};
   return (*current_cp_abi.pass_by_reference) (type);
 }
 
@@ -270,10 +273,8 @@ set_cp_abi_as_auto_default (const char *short_name)
                    _("Cannot find C++ ABI \"%s\" to set it as auto default."),
                    short_name);
 
-  if (auto_cp_abi.longname != NULL)
-    xfree ((char *) auto_cp_abi.longname);
-  if (auto_cp_abi.doc != NULL)
-    xfree ((char *) auto_cp_abi.doc);
+  xfree ((char *) auto_cp_abi.longname);
+  xfree ((char *) auto_cp_abi.doc);
 
   auto_cp_abi = *abi;
 
@@ -388,8 +389,9 @@ show_cp_abi_cmd (const char *args, int from_tty)
   uiout->text (").\n");
 }
 
+void _initialize_cp_abi ();
 void
-_initialize_cp_abi (void)
+_initialize_cp_abi ()
 {
   struct cmd_list_element *c;