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alpha: Convert <bits/mman.h> to <bits/mman-linux.h>

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This commit is contained in:
Richard Henderson 2013-12-07 06:17:01 +10:00
parent 24eeafdb44
commit 7380e0e469
2 changed files with 24 additions and 83 deletions
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5
ports/ChangeLog.alpha
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@ -1,3 +1,8 @@
2013-12-07 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/bits/mman.h: Use <bits/mman-linux.h>,
dropping common values and overriding different values.
2013-11-28 Joseph Myers <joseph@codesourcery.com>
* sysdeps/alpha/fpu/fegetround.c (fegetround): Use

102
ports/sysdeps/unix/sysv/linux/alpha/bits/mman.h
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@ -23,46 +23,7 @@
/* 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 0x100 /* Interpret addr exactly. */
#ifdef __USE_MISC
# define MAP_FILE 0
# define MAP_ANONYMOUS 0x10 /* Don't use a file. */
# define MAP_ANON MAP_ANONYMOUS
/* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. */
# define MAP_HUGE_SHIFT 26
# define MAP_HUGE_MASK 0x3f
#endif
/* Not used by Linux, but here to make sure we don't clash with
OSF/1 defines. */
#if 0 && defined __USE_BSD
# define MAP_HASSEMAPHORE 0x0200
# define MAP_INHERIT 0x0400
# define MAP_UNALIGNED 0x0800
#endif
#define __MAP_ANONYMOUS 0x10 /* Don't use a file. */
/* These are Linux-specific. */
#ifdef __USE_MISC
@ -77,53 +38,28 @@
# define MAP_HUGETLB 0x100000 /* Create huge page mapping. */
#endif
/* Flags to `msync'. */
#define MS_ASYNC 1 /* Sync memory asynchronously. */
#define MS_SYNC 2 /* Synchronous memory sync. */
#define MS_INVALIDATE 4 /* Invalidate the caches. */
/* Flags for `mlockall'. */
#define MCL_CURRENT 8192 /* Lock all currently mapped pages. */
#define MCL_FUTURE 16384 /* Lock all additions to address
space. */
#define MCL_CURRENT 8192
#define MCL_FUTURE 16384
/* Flags for `mremap'. */
#ifdef __USE_GNU
# define MREMAP_MAYMOVE 1
# define MREMAP_FIXED 2
#endif
#include <bits/mman-linux.h>
/* Values that differ from standard <mman-linux.h>. For the most part newer
values are shared, but older values are skewed. */
#undef MAP_FIXED
#define MAP_FIXED 0x100
#undef MS_SYNC
#define MS_SYNC 2
#undef MS_INVALIDATE
#define MS_INVALIDATE 4
/* 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 6 /* 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 /* Exclude from the core dump. */
# define MADV_DODUMP 17 /* Clear MADV_DONTDUMP. */
# define MADV_HWPOISON 100 /* Poison a page for testing. */
# undef MADV_DONTNEED
# define MADV_DONTNEED 6
#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 6 /* Don't need these pages. */
#endif
/* Not used by Linux, but here to make sure we don't clash with
OSF/1 defines. */
#if 0 && defined __USE_BSD
# define MADV_DONTNEED_COMPAT 4 /* Old version? */
# define MADV_SPACEAVAIL 5 /* Ensure resources are available. */
# undef POSIX_MADV_DONTNEED
# define POSIX_MADV_DONTNEED 6
#endif