From f456a2bcff2c242f113e1b243ec188d19c5155b1 Mon Sep 17 00:00:00 2001
From: Ken Raeburn <raeburn@raeburn.org>
Date: Wed, 24 Jul 2002 02:07:21 +0000
Subject: [PATCH] (start_of_data): If DATA_START is defined, prefer its value
 over other approaches.

---
 src/mem-limits.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mem-limits.h b/src/mem-limits.h
index 1028d7ff5ad..4a8771cf42e 100644
--- a/src/mem-limits.h
+++ b/src/mem-limits.h
@@ -79,12 +79,18 @@ extern POINTER start_of_data ();
 #define EXCEEDS_LISP_PTR(ptr) ((EMACS_UINT) (ptr) >> VALBITS)
 #endif
 
+#ifdef DATA_START
+#define start_of_data() ((char *)DATA_START)
+#endif
+
 #ifdef BSD_SYSTEM
 #ifndef DATA_SEG_BITS
+#ifndef DATA_START
 extern char etext;
 #define start_of_data() &etext
 #endif
 #endif
+#endif
 
 #else  /* not emacs */
 extern char etext;
-- 
2.39.5