Initial revision

From-SVN: r4077

1 files changed, 75 insertions, 0 deletions

diff --git a/gcc/objc/objects.c b/gcc/objc/objects.c
new file mode 100644
index 0000000..a8f1a3b
--- /dev/null
+++ b/gcc/objc/objects.c
@@ -0,0 +1,75 @@
+/* GNU Objective C Runtime class related functions
+   Copyright (C) 1993 Free Software Foundation, Inc.
+
+Author: Kresten Krab Thorup
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 2, or (at your option) any later version.
+
+GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+   details.
+
+You should have received a copy of the GNU General Public License along with
+   GNU CC; see the file COPYING.  If not, write to the Free Software
+   Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* As a special exception, if you link this library with files compiled with
+   GCC to produce an executable, this does not cause the resulting executable
+   to be covered by the GNU General Public License. This exception does not
+   however invalidate any other reasons why the executable file might be
+   covered by the GNU General Public License.  */
+
+#include "runtime.h"		/* the kitchen sink */
+
+id __objc_object_alloc(Class_t);
+id __objc_object_dispose(id);
+id __objc_object_copy(id);
+
+id (*_objc_object_alloc)(Class_t) = __objc_object_alloc;
+id (*_objc_object_dispose)(id)    = __objc_object_dispose;
+id (*_objc_object_copy)(id)       = __objc_object_copy;
+
+id
+class_create_instance(Class_t class)
+{
+  id res = (*_objc_object_alloc)(class);
+  res->class_pointer = class;
+  return res;
+}
+
+id 
+object_copy(id object)
+{
+  return (*_objc_object_copy)(object);
+}
+
+id 
+object_dispose(id object)
+{
+  return (*_objc_object_dispose)(object);
+}
+
+id __objc_object_alloc(Class_t class)
+{
+  return (id)__objc_xmalloc(class->instance_size);
+}
+
+id __objc_object_dispose(id object) 
+{
+  free(object);
+  return 0;
+}
+
+id __objc_object_copy(id object)
+{
+  id copy = class_create_instance(object->class_pointer);
+  bcopy(object, copy, object->class_pointer->instance_size);
+  return copy;
+}
+
+