cris: Check UNDEFWEAK_NO_DYNAMIC_RELOC

[deliverable/binutils-gdb.git] / gdb / gdb_obstack.h

diff --git a/gdb/gdb_obstack.h b/gdb/gdb_obstack.h
index ec2dd97de9f852cc3c195ad096e9234e5acb19ee..b241c8274f1cdd5d5e331ca9655f23befc7a4330 100644 (file)
--- a/gdb/gdb_obstack.h
+++ b/gdb/gdb_obstack.h
@@ -1,6 +1,6 @@
 /* Obstack wrapper for GDB.
 
-   Copyright (C) 2002-2014 Free Software Foundation, Inc.
+   Copyright (C) 2002-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -58,4 +58,24 @@
 
 extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL;
 
+/* Duplicate STRING, returning an equivalent string that's allocated on the
+   obstack OBSTACKP.  */
+
+extern char *obstack_strdup (struct obstack *obstackp, const char *string);
+
+/* An obstack that frees itself on scope exit.  */
+struct auto_obstack : obstack
+{
+  auto_obstack ()
+  { obstack_init (this); }
+
+  ~auto_obstack ()
+  { obstack_free (this, NULL); }
+
+  /* Free all memory in the obstack but leave it valid for further
+     allocation.  */
+  void clear ()
+  { obstack_free (this, obstack_base (this)); }
+};
+
 #endif