This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH 2/6] Use bits/mman-linux.h for ARM
Hi, The new file bits/mman-linux.h does not appear to get installed,
I'm guessing it needs to be added to
sysdeps/unix/sysv/linux/*/Makefile(sysdep_headers) rather than
misc/Makefile(headers) ?
Cheers
/Marcus
On 5 March 2013 19:32, Andreas Jaeger <aj@suse.de> wrote:
> * sysdeps/unix/sysv/linux/arm/bits/mman.h: Remove all defines
> provided by bits/mman-linux.h and include <bits/mman-linux.h>.
>
> ---
> ports/sysdeps/unix/sysv/linux/arm/bits/mman.h | 76 +--------------------------
> 1 file changed, 2 insertions(+), 74 deletions(-)
>
> diff --git a/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h b/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h
> index f5ca3c9..11ecbca 100644
> --- a/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h
> +++ b/ports/sysdeps/unix/sysv/linux/arm/bits/mman.h
> @@ -23,36 +23,6 @@
> /* 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 0x01 /* Share changes. */
> -#define MAP_PRIVATE 0x02 /* Changes are private. */
> -#ifdef __USE_MISC
> -# define MAP_TYPE 0x0f /* Mask for type of mapping. */
> -#endif
> -
> -/* Other flags. */
> -#define MAP_FIXED 0x10 /* Interpret addr exactly. */
> -#ifdef __USE_MISC
> -# define MAP_FILE 0
> -# define MAP_ANONYMOUS 0x20 /* Don't use a file. */
> -# define MAP_ANON MAP_ANONYMOUS
> -#endif
> -
> /* These are Linux-specific. */
> #ifdef __USE_MISC
> # define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
> @@ -66,47 +36,5 @@
> # 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 1 /* Lock all currently mapped pages. */
> -#define MCL_FUTURE 2 /* Lock all additions to address
> - space. */
> -
> -/* 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. */
> -# define MADV_MERGEABLE 12 /* KSM may merge identical pages. */
> -# define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages. */
> -# define MADV_HUGEPAGE 14 /* Worth backing with hugepages. */
> -# define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages. */
> -# define MADV_DONTDUMP 16 /* Explicity exclude from the core dump,
> - overrides the coredump filter bits. */
> -# define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag. */
> -# define MADV_HWPOISON 100 /* Poison a page for testing. */
> -#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>
> --
> 1.8.1.4
>