4 #define PROT_READ 0x1 /* page can be read */
5 #define PROT_WRITE 0x2 /* page can be written */
6 #define PROT_EXEC 0x4 /* page can be executed */
7 #define PROT_NONE 0x0 /* page can not be accessed */
9 #define MAP_SHARED 0x01 /* Share changes */
10 #define MAP_PRIVATE 0x02 /* Changes are private */
11 #define MAP_TYPE 0x0f /* Mask for type of mapping */
12 #define MAP_FIXED 0x10 /* Interpret addr exactly */
13 #define MAP_ANONYMOUS 0x20 /* don't use a file */
14 #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */
15 #define MAP_NORESERVE 0x40 /* don't reserve swap pages */
17 #define MAP_GROWSDOWN 0x0100 /* stack-like segment */
18 #define MAP_DENYWRITE 0x0800 /* ETXTBSY */
19 #define MAP_EXECUTABLE 0x1000 /* mark it as a executable */
21 #define MS_ASYNC 1 /* sync memory asynchronously */
22 #define MS_INVALIDATE 2 /* invalidate the caches */
23 #define MS_SYNC 4 /* synchronous memory sync */
25 #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */
26 #define MCL_FUTURE 0x4000 /* lock all additions to address space */
28 /* compatibility flags */
29 #define MAP_ANON MAP_ANONYMOUS
32 #endif /* __PPC_MMAN_H__ */
