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authorPeter S. Mazinger <ps.m@gmx.net>2011-03-19 13:39:32 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2012-06-15 14:00:28 +0200
commit2b836fc1d536a44282010643e438257cb599d1d0 (patch)
tree0c7a9a4f02c673ab78453e23016d967e6ec8df70 /libc/sysdeps/linux/arm/mmap.c
parentf8942a121c022cf48e5bfbc6122f28219b36751f (diff)
mmap.c: provide a common mmap.c that is good for most of archs
Remove all others, only avr32 needs to be kept. Define __UCLIBC_ARCH_HAS_6_ARGS__ where needed. Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/arm/mmap.c')
-rw-r--r--libc/sysdeps/linux/arm/mmap.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/libc/sysdeps/linux/arm/mmap.c b/libc/sysdeps/linux/arm/mmap.c
deleted file mode 100644
index df550fedf..000000000
--- a/libc/sysdeps/linux/arm/mmap.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * _mmap() for uClibc
- *
- * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
- *
- * GNU Library General Public License (LGPL) version 2 or later.
- */
-#include <errno.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/syscall.h>
-
-#if defined (__NR_mmap) || defined (__NR_mmap2)
-
-libc_hidden_proto(mmap)
-#if defined (__UCLIBC_MMAP_HAS_6_ARGS__) && defined (__NR_mmap)
-#define __NR__mmap __NR_mmap
-static __inline__ _syscall6 (__ptr_t, _mmap, __ptr_t, addr, size_t, len,
- int, prot, int, flags, int, fd, __off_t, offset)
-__ptr_t mmap(__ptr_t addr, size_t len, int prot,
- int flags, int fd, __off_t offset)
-{
- return (__ptr_t) _mmap (addr, len, prot, flags,
- fd, offset);
-}
-
-#elif defined (__NR_mmap2)
-#define __NR__mmap __NR_mmap2
-
-#ifndef MMAP2_PAGE_SHIFT
-# define MMAP2_PAGE_SHIFT 12
-#endif
-
-static __inline__ _syscall6 (__ptr_t, _mmap, __ptr_t, addr, size_t, len,
- int, prot, int, flags, int, fd, __off_t, offset);
-__ptr_t mmap(__ptr_t addr, size_t len, int prot,
- int flags, int fd, __off_t offset)
-{
- /* check if offset is page aligned */
- if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
- {
- __set_errno(EINVAL);
- return MAP_FAILED;
- }
-#ifdef __USE_FILE_OFFSET64
- return (__ptr_t) _mmap (addr, len, prot, flags,
- fd, ((__u_quad_t) offset >> MMAP2_PAGE_SHIFT));
-#else
- return (__ptr_t) _mmap (addr, len, prot, flags,
- fd, ((__u_long) offset >> MMAP2_PAGE_SHIFT));
-#endif
-}
-#elif defined (__NR_mmap)
-# define __NR__mmap __NR_mmap
-static __inline__ _syscall1(__ptr_t, _mmap, unsigned long *, buffer)
-__ptr_t mmap(__ptr_t addr, size_t len, int prot,
- int flags, int fd, __off_t offset)
-{
- unsigned long buffer[6];
-
- buffer[0] = (unsigned long) addr;
- buffer[1] = (unsigned long) len;
- buffer[2] = (unsigned long) prot;
- buffer[3] = (unsigned long) flags;
- buffer[4] = (unsigned long) fd;
- buffer[5] = (unsigned long) offset;
- return (__ptr_t) _mmap(buffer);
-}
-#endif
-libc_hidden_def (mmap)
-#else
-# error "Your architecture doesn't seem to provide mmap() !?"
-#endif