1 /* 2 * Copyright (C) 2016 Andes Technology, Inc. 3 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. 4 */ 5 6 /* Definitions for POSIX memory map interface. Linux/NDS32 version. 7 Copyright (C) 1997-2018 Free Software Foundation, Inc. 8 9 The GNU C Library is free software; you can redistribute it and/or 10 modify it under the terms of the GNU Lesser General Public 11 License as published by the Free Software Foundation; either 12 version 2.1 of the License, or (at your option) any later version. 13 14 The GNU C Library is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 Lesser General Public License for more details. 18 19 You should have received a copy of the GNU Lesser General Public 20 License along with the GNU C Library; if not, write to the Free 21 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 22 02111-1307 USA. */ 23 24 #ifndef _SYS_MMAN_H 25 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." 26 #endif 27 28 /* The following definitions basically come from the kernel headers. 29 But the kernel header is not namespace clean. */ 30 31 /* These are Linux-specific. */ 32 #ifdef __USE_MISC 33 # define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 34 # define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 35 # define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 36 # define MAP_LOCKED 0x2000 /* pages are locked */ 37 # define MAP_NORESERVE 0x4000 /* don't check for reservations */ 38 # define MAP_POPULATE 0x08000 /* populate (prefault) pagetables */ 39 # define MAP_NONBLOCK 0x10000 /* do not block on IO */ 40 # define MAP_STACK 0x20000 /* Allocation is for a stack. */ 41 # define MAP_HUGETLB 0x40000 /* Create huge page mapping. */ 42 #endif 43 44 /* Include generic Linux declarations. */ 45 #include <bits/mman-linux.h> 46