From a62da3689a794d4154b16d3d7742fd1515723bb5 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 30 Apr 1998 16:57:14 +0000 Subject: [PATCH] mmap syscall interface for Linux/ARM. --- sysdeps/unix/sysv/linux/arm/mmap.S | 39 ++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/arm/mmap.S diff --git a/sysdeps/unix/sysv/linux/arm/mmap.S b/sysdeps/unix/sysv/linux/arm/mmap.S new file mode 100644 index 0000000000..905303e8e3 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/mmap.S @@ -0,0 +1,39 @@ +/* Copyright (C) 1998 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + + .text + +ENTRY (__mmap) + + /* Because we can only get five args through the syscall interface, and + mmap() takes six, we need to build a parameter block and pass its + address instead. The 386 port does a similar trick. */ + + mov ip, sp + stmdb ip!, {a1-a4} + mov a1, ip + swi SYS_ify (mmap) + cmn r0, $4096 + bhs PLTJMP(syscall_error); + ret + +PSEUDO_END (__mmap) + +weak_alias (__mmap, mmap) -- 2.43.5