From 5abebba403181de898bbea4ee1bcce5f088c663b Mon Sep 17 00:00:00 2001 From: Carlos O'Donell Date: Tue, 29 Apr 2014 03:08:48 -0400 Subject: Relocate hppa from ports to libc. --- sysdeps/unix/sysv/linux/hppa/mmap.c | 49 +++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/hppa/mmap.c (limited to 'sysdeps/unix/sysv/linux/hppa/mmap.c') diff --git a/sysdeps/unix/sysv/linux/hppa/mmap.c b/sysdeps/unix/sysv/linux/hppa/mmap.c new file mode 100644 index 0000000000..174cd5e54f --- /dev/null +++ b/sysdeps/unix/sysv/linux/hppa/mmap.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1994-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + . */ + +#include +#include +#include + +/* Map addresses starting near ADDR and extending for LEN bytes. From + OFFSET into the file FD describes according to PROT and FLAGS. If ADDR + is nonzero, it is the desired mapping address. If the MAP_FIXED bit is + set in FLAGS, the mapping will be at ADDR exactly (which must be + page-aligned); otherwise the system chooses a convenient nearby address. + The return value is the actual mapping address chosen or MAP_FAILED + for errors (in which case `errno' is set). A successful `mmap' call + deallocates any previous mapping for the affected region. */ + +#include + +__ptr_t +__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) +{ + + __ptr_t ret; + + ret = (__ptr_t) INLINE_SYSCALL (mmap, 6, addr, len, prot, flags, fd, offset); + + /* check if it's really a negative number */ + if(((unsigned long)ret & 0xfffff000) == 0xfffff000) + return MAP_FAILED; + + return ret; + +} + +strong_alias (__mmap, mmap) -- cgit 1.4.1