gdb: pull upstream gdb-8.0.1
This pulls upstream gdb-8.0.1 to our repository. It does not affect
current gdb builds.
BUG=None
TEST=gdb still builds gdb 7.11
diff --git a/gdb-8.0.1/readline/xmalloc.h b/gdb-8.0.1/readline/xmalloc.h
new file mode 100644
index 0000000..0fb6a19
--- /dev/null
+++ b/gdb-8.0.1/readline/xmalloc.h
@@ -0,0 +1,48 @@
+/* xmalloc.h -- memory allocation that aborts on errors. */
+
+/* Copyright (C) 1999-2009 Free Software Foundation, Inc.
+
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
+
+ Readline 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 3 of the License, or
+ (at your option) any later version.
+
+ Readline 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 Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (_XMALLOC_H_)
+#define _XMALLOC_H_
+
+#if defined (READLINE_LIBRARY)
+# include "rlstdc.h"
+#else
+# include <readline/rlstdc.h>
+#endif
+
+#ifndef PTR_T
+
+#ifdef __STDC__
+# define PTR_T void *
+#else
+# define PTR_T char *
+#endif
+
+#endif /* !PTR_T */
+
+/* xmalloc and xrealloc should be also protected from RL_STATE_SIGHANDLER. */
+#define xfree xfree_readline
+
+extern PTR_T xmalloc PARAMS((size_t));
+extern PTR_T xrealloc PARAMS((void *, size_t));
+extern void xfree PARAMS((void *));
+
+#endif /* _XMALLOC_H_ */
