diff options
Diffstat (limited to 'libc/sysdeps/linux/powerpc')
| -rw-r--r-- | libc/sysdeps/linux/powerpc/bits/mman.h | 75 |
1 files changed, 9 insertions, 66 deletions
diff --git a/libc/sysdeps/linux/powerpc/bits/mman.h b/libc/sysdeps/linux/powerpc/bits/mman.h index c39e7929d..c42e11718 100644 --- a/libc/sysdeps/linux/powerpc/bits/mman.h +++ b/libc/sysdeps/linux/powerpc/bits/mman.h @@ -1,6 +1,5 @@ /* Definitions for POSIX memory map interface. Linux/PowerPC version. - Copyright (C) 1997, 2000, 2003, 2005, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. + Copyright (C) 1997-2018 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -17,41 +16,13 @@ <http://www.gnu.org/licenses/>. */ #ifndef _SYS_MMAN_H -# error "Never use <bits/mman.h> directly; iclude <sys/mman.h> instead." +# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." #endif /* The following definitions basically come from the kernel headers. But the kernel header is not namespace clean. */ - -/* 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_READ 0x1 /* Page can be read. */ -#define PROT_WRITE 0x2 /* Page can be written. */ -#define PROT_EXEC 0x4 /* Page can be executed. */ -#define PROT_NONE 0x0 /* Page can not be accessed. */ -#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of - growsdown vma (mprotect only). */ -#define PROT_GROWSUP 0x02000000 /* Extend change to start of - growsup vma (mprotect only). */ - -/* Sharing types (must choose one and only one of these). */ -#define MAP_SHARED 0x001 /* Share changes. */ -#define MAP_PRIVATE 0x002 /* Changes are private. */ -#ifdef __USE_MISC -# define MAP_TYPE 0x00f /* Mask for type of mapping. */ -#endif - -/* Other flags. */ -#define MAP_FIXED 0x010 /* Interpret addr exactly. */ -#ifdef __USE_MISC -# define MAP_FILE 0x000 -# define MAP_ANONYMOUS 0x020 /* Don't use a file. */ -# define MAP_ANON MAP_ANONYMOUS -#endif +#define PROT_SAO 0x10 /* Strong Access Ordering. */ /* These are Linux-specific. */ #ifdef __USE_MISC @@ -62,44 +33,16 @@ # define MAP_NORESERVE 0x00040 /* Don't check for reservations. */ # define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables. */ # define MAP_NONBLOCK 0x10000 /* Do not block on IO. */ -# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could - be uninitialized. */ +# define MAP_STACK 0x20000 /* Allocation is for a stack. */ +# define MAP_HUGETLB 0x40000 /* Create huge page mapping. */ #endif -/* Flags to `msync'. */ -#define MS_ASYNC 1 /* Sync memory asynchronously. */ -#define MS_SYNC 4 /* Synchronous memory sync. */ -#define MS_INVALIDATE 2 /* Invalidate the caches. */ - /* Flags for `mlockall'. */ #define MCL_CURRENT 0x2000 /* Lock all currently mapped pages. */ #define MCL_FUTURE 0x4000 /* Lock all additions to address space. */ +#define MCL_ONFAULT 0x8000 /* Lock all pages that are + faulted in. */ - -/* Flags for `mremap'. */ -#ifdef __USE_GNU -# define MREMAP_MAYMOVE 1 -# define MREMAP_FIXED 2 -#endif - -/* Advice to `madvise'. */ -#ifdef __USE_BSD -# define MADV_NORMAL 0 /* No further special treatment. */ -# define MADV_RANDOM 1 /* Expect random page references. */ -# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ -# define MADV_WILLNEED 3 /* Will need these pages. */ -# define MADV_DONTNEED 4 /* Don't need these pages. */ -# define MADV_REMOVE 9 /* Remove these pages and resources. */ -# define MADV_DONTFORK 10 /* Do not inherit across fork. */ -# define MADV_DOFORK 11 /* Do inherit across fork. */ -#endif - -/* The POSIX people had to invent similar names for the same things. */ -#ifdef __USE_XOPEN2K -# define POSIX_MADV_NORMAL 0 /* No further special treatment. */ -# define POSIX_MADV_RANDOM 1 /* Expect random page references. */ -# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */ -# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */ -# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */ -#endif +/* Include generic Linux declarations. */ +#include <bits/mman-linux.h> |