1 /* Definitions for POSIX memory map interface. Linux/x86_64 version. 2 Copyright (C) 2001-2015 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19 #ifndef _SYS_MMAN_H 20 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." 21 #endif 22 23 /* The following definitions basically come from the kernel headers. 24 But the kernel header is not namespace clean. */ 25 26 /* Other flags. */ 27 #ifdef __USE_MISC 28 # define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */ 29 #endif 30 31 /* These are Linux-specific. */ 32 #ifdef __USE_MISC 33 # define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */ 34 # define MAP_DENYWRITE 0x00800 /* ETXTBSY */ 35 # define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */ 36 # define MAP_LOCKED 0x02000 /* Lock the mapping. */ 37 # define MAP_NORESERVE 0x04000 /* 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