|
428
|
1 /* Heap management routines (including unexec) for XEmacs on Windows NT.
|
|
|
2 Copyright (C) 1994 Free Software Foundation, Inc.
|
|
|
3
|
|
|
4 This file is part of XEmacs.
|
|
|
5
|
|
|
6 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
7 under the terms of the GNU General Public License as published by the
|
|
|
8 Free Software Foundation; either version 2, or (at your option) any
|
|
|
9 later version.
|
|
|
10
|
|
|
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
14 for more details.
|
|
|
15
|
|
|
16 You should have received a copy of the GNU General Public License
|
|
|
17 along with XEmacs; see the file COPYING. If not, write to the Free
|
|
|
18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|
|
19 02111-1307, USA.
|
|
|
20
|
|
|
21 Geoff Voelker (voelker@cs.washington.edu) 7-29-94 */
|
|
|
22
|
|
|
23 /* Adapted for XEmacs by David Hobley <david@spook-le0.cia.com.au> */
|
|
|
24 /* Synced with FSF Emacs 19.34.6 by Marc Paquette <marcpa@cam.org> */
|
|
|
25
|
|
440
|
26 #ifndef INCLUDED_ntheap_h_
|
|
|
27 #define INCLUDED_ntheap_h_
|
|
428
|
28
|
|
442
|
29 #include "syswindows.h"
|
|
428
|
30
|
|
|
31 /*
|
|
|
32 * Heap related stuff.
|
|
|
33 */
|
|
|
34 #define get_reserved_heap_size() reserved_heap_size
|
|
|
35 #define get_committed_heap_size() (get_data_end () - get_data_start ())
|
|
|
36 #define get_heap_start() get_data_start ()
|
|
|
37 #define get_heap_end() get_data_end ()
|
|
|
38 #define get_page_size() sysinfo_cache.dwPageSize
|
|
|
39 #define get_allocation_unit() sysinfo_cache.dwAllocationGranularity
|
|
|
40 #define get_processor_type() sysinfo_cache.dwProcessorType
|
|
|
41 #define get_nt_major_version() nt_major_version
|
|
|
42 #define get_nt_minor_version() nt_minor_version
|
|
|
43
|
|
|
44 extern unsigned char *get_data_start();
|
|
|
45 extern unsigned char *get_data_end();
|
|
|
46 extern unsigned long data_region_size;
|
|
|
47 extern unsigned long reserved_heap_size;
|
|
|
48 extern SYSTEM_INFO sysinfo_cache;
|
|
|
49 extern int nt_major_version;
|
|
|
50 extern int nt_minor_version;
|
|
|
51
|
|
|
52 /* To prevent zero-initialized variables from being placed into the bss
|
|
|
53 section, use non-zero values to represent an uninitialized state. */
|
|
442
|
54 #define UNINIT_PTR ((unsigned char*) 0xF0A0F0A0)
|
|
428
|
55 #define UNINIT_LONG (0xF0A0F0A0L)
|
|
|
56
|
|
|
57 /* Emulation of Unix sbrk(). */
|
|
|
58 extern void *sbrk (unsigned long size);
|
|
|
59
|
|
|
60 /* Recreate the heap created during dumping. */
|
|
|
61 extern void recreate_heap (char *executable_path);
|
|
|
62
|
|
|
63 /* Round the heap to this size. */
|
|
|
64 extern void round_heap (unsigned long size);
|
|
|
65
|
|
|
66 /* Load in the dumped .bss section. */
|
|
|
67 extern void read_in_bss (char *name);
|
|
|
68
|
|
|
69 /* Map in the dumped heap. */
|
|
|
70 extern void map_in_heap (char *name);
|
|
|
71
|
|
|
72 /* Cache system info, e.g., the NT page size. */
|
|
|
73 extern void cache_system_info (void);
|
|
|
74
|
|
|
75 /* Round ADDRESS up to be aligned with ALIGN. */
|
|
|
76 extern unsigned char *round_to_next (unsigned char *address,
|
|
|
77 unsigned long align);
|
|
|
78
|
|
440
|
79 #endif /* INCLUDED_ntheap_h_ */
|
