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Diffstat (limited to 'include/asm-mips64/mman.h')
| -rw-r--r-- | include/asm-mips64/mman.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/asm-mips64/mman.h b/include/asm-mips64/mman.h new file mode 100644 index 000000000..4cbaec4d0 --- /dev/null +++ b/include/asm-mips64/mman.h @@ -0,0 +1,62 @@ +/* $Id$ + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1995, 1999 by Ralf Baechle + */ +#ifndef _ASM_MMAN_H +#define _ASM_MMAN_H + +/* + * Protections are chosen from these bits, OR'd together. The + * implementation does not necessarily support PROT_EXEC or PROT_WRITE + * without PROT_READ. The only guarantees are that no writing will be + * allowed without PROT_WRITE and no access will be allowed for PROT_NONE. + */ +#define PROT_NONE 0x0 /* page can not be accessed */ +#define PROT_READ 0x1 /* page can be read */ +#define PROT_WRITE 0x2 /* page can be written */ +#define PROT_EXEC 0x4 /* page can be executed */ + +/* + * Flags for mmap + */ +#define MAP_SHARED 0x001 /* Share changes */ +#define MAP_PRIVATE 0x002 /* Changes are private */ +#define MAP_TYPE 0x00f /* Mask for type of mapping */ +#define MAP_FIXED 0x010 /* Interpret addr exactly */ + +/* not used by linux, but here to make sure we don't clash with ABI defines */ +#define MAP_RENAME 0x020 /* Assign page to file */ +#define MAP_AUTOGROW 0x040 /* File may grow by writing */ +#define MAP_LOCAL 0x080 /* Copy on fork/sproc */ +#define MAP_AUTORSRV 0x100 /* Logical swap reserved on demand */ + +/* These are linux-specific */ +#define MAP_NORESERVE 0x0400 /* don't check for reservations */ +#define MAP_ANONYMOUS 0x0800 /* don't use a file */ +#define MAP_GROWSDOWN 0x1000 /* stack-like segment */ +#define MAP_DENYWRITE 0x2000 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x4000 /* mark it as an executable */ +#define MAP_LOCKED 0x8000 /* pages are locked */ + +/* + * Flags for msync + */ +#define MS_SYNC 0 /* synchronous memory sync */ +#define MS_ASYNC 1 /* sync memory asynchronously */ +#define MS_INVALIDATE 2 /* invalidate mappings & caches */ + +/* + * Flags for mlockall + */ +#define MCL_CURRENT 1 /* lock all current mappings */ +#define MCL_FUTURE 2 /* lock all future mappings */ + +/* compatibility flags */ +#define MAP_ANON MAP_ANONYMOUS +#define MAP_FILE 0 + +#endif /* _ASM_MMAN_H */ |