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 510dfd0f484d968db9fe9bbdc36409858025e019..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) 2001-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -73,22 +73,21 @@ baseclass_offset (struct type *type, int index, const gdb_byte *valaddr,
 
   gdb_assert (current_cp_abi.baseclass_offset != NULL);
 
-  TRY
+  try
     {
       res = (*current_cp_abi.baseclass_offset) (type, index, valaddr,
                                                embedded_offset,
                                                address, val);
     }
-  CATCH (ex, RETURN_MASK_ERROR)
+  catch (const gdb_exception_error &ex)
     {
       if (ex.error != NOT_AVAILABLE_ERROR)
-       throw_exception (ex);
+       throw;
 
       throw_error (NOT_AVAILABLE_ERROR,
                   _("Cannot determine virtual baseclass offset "
                     "of incomplete object"));
     }
-  END_CATCH
 
   return res;
 }
@@ -110,17 +109,17 @@ 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
+  try
     {
       ret = (*current_cp_abi.rtti_type) (v, full, top, using_enc);
     }
-  CATCH (e, RETURN_MASK_ERROR)
+  catch (const gdb_exception_error &e)
     {
       return NULL;
     }
-  END_CATCH
 
   return ret;
 }
@@ -221,11 +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);
 }
 
@@ -272,10 +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;
 
@@ -314,12 +313,10 @@ static void
 list_cp_abis (int from_tty)
 {
   struct ui_out *uiout = current_uiout;
-  struct cleanup *cleanup_chain;
   int i;
 
   uiout->text ("The available C++ ABIs are:\n");
-  cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout,
-                                                      "cp-abi-list");
+  ui_out_emit_tuple tuple_emitter (uiout, "cp-abi-list");
   for (i = 0; i < num_cp_abis; i++)
     {
       char pad[14];
@@ -337,14 +334,13 @@ list_cp_abis (int from_tty)
       uiout->field_string ("doc", cp_abis[i]->doc);
       uiout->text ("\n");
     }
-  do_cleanups (cleanup_chain);
 }
 
 /* Set the current C++ ABI, or display the list of options if no
    argument is given.  */
 
 static void
-set_cp_abi_cmd (char *args, int from_tty)
+set_cp_abi_cmd (const char *args, int from_tty)
 {
   if (args == NULL)
     {
@@ -358,8 +354,9 @@ set_cp_abi_cmd (char *args, int from_tty)
 
 /* A completion function for "set cp-abi".  */
 
-static VEC (char_ptr) *
+static void
 cp_abi_completer (struct cmd_list_element *ignore,
+                 completion_tracker &tracker,
                  const char *text, const char *word)
 {
   static const char **cp_abi_names;
@@ -374,13 +371,13 @@ cp_abi_completer (struct cmd_list_element *ignore,
       cp_abi_names[i] = NULL;
     }
 
-  return complete_on_enum (cp_abi_names, text, word);
+  complete_on_enum (tracker, cp_abi_names, text, word);
 }
 
 /* Show the currently selected C++ ABI.  */
 
 static void
-show_cp_abi_cmd (char *args, int from_tty)
+show_cp_abi_cmd (const char *args, int from_tty)
 {
   struct ui_out *uiout = current_uiout;
 
@@ -392,10 +389,9 @@ show_cp_abi_cmd (char *args, int from_tty)
   uiout->text (").\n");
 }
 
-extern initialize_file_ftype _initialize_cp_abi; /* -Wmissing-prototypes */
-
+void _initialize_cp_abi ();
 void
-_initialize_cp_abi (void)
+_initialize_cp_abi ()
 {
   struct cmd_list_element *c;