1 files changed, 31 insertions, 0 deletions
diff --git a/src/sheap.h b/src/sheap.h
new file mode 100644
index 00000000000..c229a1b06ed
--- /dev/null
+++ b/src/sheap.h
@@ -0,0 +1,31 @@
+/* Static heap allocation for GNU Emacs.
+
+Copyright 2016 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <stddef.h>
+#include "lisp.h"
+
+/* Size of the static heap.  Guess a value that is probably too large,
+   by up to a factor of four or so.  Typically the unused part is not
+   paged in and so does not cost much.  */
+enum { STATIC_HEAP_SIZE = sizeof (Lisp_Object) << 22 };
+
+extern char bss_sbrk_buffer[STATIC_HEAP_SIZE];
+extern char *max_bss_sbrk_ptr;
+extern bool bss_sbrk_did_unexec;
+extern void *bss_sbrk (ptrdiff_t);