/* Includes for memory limit warnings.
- Copyright (C) 1990, 1993, 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#ifdef MSDOS
#include <dpmi.h>
+extern int etext;
#endif
/* Some systems need this before <sys/resource.h>. */
#define BSD4_2 /* Tell code below to use getrlimit. */
/* Old Linux startup code won't define __data_start. */
-extern int etext, __data_start; weak_symbol (__data_start)
+extern int etext, __data_start; weak_extern (__data_start)
#define start_of_data() (&__data_start ?: &etext)
#else /* not _LIBC */
#define BSD4_2
#endif
+#ifdef CYGWIN
+#define BSD4_2
+#endif
+
#ifndef BSD4_2
#ifndef USG
#ifndef MSDOS
/* The important properties of this type are that 1) it's a pointer, and
2) arithmetic on it should work as if the size of the object pointed
to has a size of 1. */
-#ifdef __STDC__
-typedef void *POINTER;
-#else
-typedef char *POINTER;
-#endif
+typedef POINTER_TYPE *POINTER;
typedef unsigned long SIZE;
#define EXCEEDS_LISP_PTR(ptr) ((EMACS_UINT) (ptr) >> VALBITS)
#endif
-#ifdef BSD
+#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;
static POINTER data_space_start;
/* Number of bytes of writable memory we can expect to be able to get */
-static unsigned int lim_data;
+static unsigned long lim_data;
#ifdef NO_LIM_DATA
static void
lim_data = -1;
/* Use the ulimit call, if we seem to have it. */
-#if !defined (ULIMIT_BREAK_VALUE) || defined (LINUX)
+#if !defined (ULIMIT_BREAK_VALUE) || defined (GNU_LINUX)
lim_data = ulimit (3, 0);
#endif
static void
get_lim_data ()
{
- extern unsigned long data_region_size;
- lim_data = data_region_size;
+ extern unsigned long reserved_heap_size;
+ lim_data = reserved_heap_size;
}
#else