Initial revision

1 files changed, 72 insertions, 0 deletions

diff --git a/src/w32heap.h b/src/w32heap.h
new file mode 100644
index 00000000000..9cf2882bfe3
--- /dev/null
+++ b/src/w32heap.h
@@ -0,0 +1,72 @@
+/* Heap management routines (including unexec) for GNU Emacs on Windows NT.
+   Copyright (C) 1994 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 2, 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; see the file COPYING.  If not, write to the Free Software
+   Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   Geoff Voelker (voelker@cs.washington.edu)			     7-29-94
+*/
+
+#ifndef NTHEAP_H_
+#define NTHEAP_H_
+
+#include <windows.h>
+
+/*
+ * Heap related stuff.
+ */
+#define get_data_region_base()		(char *) 0x00030000
+#define get_reserved_heap_size()	(0x00d00000 - 0x00030000)
+#define get_committed_heap_size()	(get_data_end () - get_data_start ())
+#define get_heap_start()		get_data_start ()
+#define get_heap_end()			get_data_end ()
+#define get_page_size()			sysinfo_cache.dwPageSize
+#define get_allocation_unit()		sysinfo_cache.dwAllocationGranularity
+#define get_processor_type()		sysinfo_cache.dwProcessorType
+#define get_nt_major_version()  	nt_major_version
+#define get_nt_minor_version()  	nt_minor_version
+
+extern unsigned char *get_data_start();
+extern unsigned char *get_data_end();
+extern unsigned long  data_region_size;
+extern SYSTEM_INFO    sysinfo_cache;
+extern BOOL   	      need_to_recreate_heap;
+extern int    	      nt_major_version;
+extern int    	      nt_minor_version;
+
+/* Emulation of Unix sbrk().  */
+extern void *sbrk (unsigned long size);
+
+/* Recreate the heap created during dumping.  */
+extern void recreate_heap (char *executable_path);
+
+/* Round the heap to this size.  */
+extern void round_heap (unsigned long size);
+
+/* Load in the dumped .bss section.  */
+extern void read_in_bss (char *name);
+
+/* Map in the dumped heap.  */
+extern void map_in_heap (char *name);
+
+/* Cache system info, e.g., the NT page size.  */
+extern void cache_system_info (void);
+
+/* Round ADDRESS up to be aligned with ALIGN.  */
+extern unsigned char *round_to_next (unsigned char *address, 
+				     unsigned long align);
+
+#endif /* NTHEAP_H_ */