mmap syscall interface for Linux/ARM.
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/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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.text
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ENTRY (__mmap)
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/* Because we can only get five args through the syscall interface, and
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mmap() takes six, we need to build a parameter block and pass its
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address instead. The 386 port does a similar trick. */
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mov ip, sp
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stmdb ip!, {a1-a4}
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mov a1, ip
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swi SYS_ify (mmap)
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cmn r0, $4096
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bhs PLTJMP(syscall_error);
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ret
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PSEUDO_END (__mmap)
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weak_alias (__mmap, mmap)
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