x86: refine when to trigger optimizations

[deliverable/binutils-gdb.git] / gdb / language.c

diff --git a/gdb/language.c b/gdb/language.c
index 02c448fb1d8e8fc48d35aa6e433fbf1b1458d4dd..8f50af8b22dddeed56d8da3a63d59ba5bd8d2179 100644 (file)
--- a/gdb/language.c
+++ b/gdb/language.c
@@ -1,6 +1,6 @@
 /* Multiple source language support for GDB.
 
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
 
    Contributed by the Department of Computer Science at the State University
    of New York at Buffalo.
@@ -652,21 +652,23 @@ language_class_name_from_physname (const struct language_defn *lang,
   return NULL;
 }
 
-/* Return non-zero if TYPE should be passed (and returned) by
-   reference at the language level.  */
-int
+/* Return information about whether TYPE should be passed
+   (and returned) by reference at the language level.  */
+
+struct language_pass_by_ref_info
 language_pass_by_reference (struct type *type)
 {
   return current_language->la_pass_by_reference (type);
 }
 
-/* Return zero; by default, types are passed by value at the language
-   level.  The target ABI may pass or return some structs by reference
-   independent of this.  */
-int
+/* Return a default struct that provides pass-by-reference information
+   about the given TYPE.  Languages should update the default values
+   as appropriate.  */
+
+struct language_pass_by_ref_info
 default_pass_by_reference (struct type *type)
 {
-  return 0;
+  return {};
 }
 
 /* Return the default string containing the list of characters
@@ -690,14 +692,6 @@ default_print_array_index (struct value *index_value, struct ui_file *stream,
   fprintf_filtered (stream, "] = ");
 }
 
-void
-default_get_string (struct value *value,
-                   gdb::unique_xmalloc_ptr<gdb_byte> *buffer,
-                   int *length, struct type **char_type, const char **charset)
-{
-  error (_("Getting a string is unsupported in this language."));
-}
-
 /* See language.h.  */
 
 bool
@@ -885,7 +879,6 @@ const struct language_defn unknown_language_defn =
   unknown_language_arch_info,  /* la_language_arch_info.  */
   default_print_array_index,
   default_pass_by_reference,
-  default_get_string,
   c_watch_location_expression,
   NULL,                                /* la_get_symbol_name_matcher */
   iterate_over_symbols,
@@ -937,7 +930,6 @@ const struct language_defn auto_language_defn =
   unknown_language_arch_info,  /* la_language_arch_info.  */
   default_print_array_index,
   default_pass_by_reference,
-  default_get_string,
   c_watch_location_expression,
   NULL,                                /* la_get_symbol_name_matcher */
   iterate_over_symbols,
@@ -1058,10 +1050,10 @@ language_alloc_type_symbol (enum language lang, struct type *type)
   gdb_assert (!TYPE_OBJFILE_OWNED (type));
 
   gdbarch = TYPE_OWNER (type).gdbarch;
-  symbol = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct symbol);
+  symbol = new (gdbarch_obstack (gdbarch)) struct symbol ();
 
-  symbol->ginfo.name = TYPE_NAME (type);
-  symbol->ginfo.language = lang;
+  symbol->m_name = TYPE_NAME (type);
+  symbol->set_language (lang, nullptr);
   symbol->owner.arch = gdbarch;
   SYMBOL_OBJFILE_OWNED (symbol) = 0;
   SYMBOL_TYPE (symbol) = type;