source: trunk/libs/newlib/src/include/vtv-change-permission.h @ 547

Last change on this file since 547 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.9 KB
Line 
1/* Copyright (C) 2013-2015 Free Software Foundation, Inc.
2 
3   This file is part of GCC.
4 
5   modify it under the terms of the GNU Library General Public License
6   as published by the Free Software Foundation; either version 2, or
7   (at your option) any later version.
8
9   In addition to the permissions in the GNU Library General Public
10   License, the Free Software Foundation gives you unlimited
11   permission to link the compiled version of this file into
12   combinations with other programs, and to distribute those
13   combinations without any restriction coming from the use of this
14   file.  (The Library Public License restrictions do apply in other
15   respects; for example, they cover modification of the file, and
16   distribution when not linked into a combined executable.)
17
18   This program is distributed in the hope that it will be useful, but
19   WITHOUT ANY WARRANTY; without even the implied warranty of
20   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21   Library General Public License for more details.
22
23   You should have received a copy of the GNU Library General Public
24   License along with this program; if not, write to the Free Software
25   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
26   02110-1301, USA.  */
27
28
29#ifndef __VTV_H__
30#define __VTV_H__
31
32/* We could have used an enumeration here but it just makes it more
33   difficult for the compiler to generate a call to this.  These are
34   used as arguments to the function __VLTChangePermission, declared
35   below.  */
36#define __VLTP_READ_ONLY  0
37#define __VLTP_READ_WRITE 1
38
39#ifdef __cplusplus
40extern "C" void __VLTChangePermission (int);
41#else
42extern void __VLTChangePermission (int);
43#endif
44
45#ifdef BIG_PAGE_SIZE
46/* TODO - Replace '4096' below with correct big page size.  */
47#define VTV_PAGE_SIZE 4096
48#else
49#if defined(__sun__) && defined(__svr4__) && defined(__sparc__)
50#define VTV_PAGE_SIZE 8192
51#else
52#define VTV_PAGE_SIZE 4096
53#endif
54#endif
55
56
57
58#endif /* __VTV_H__ */
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