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authorUlrich Drepper <drepper@redhat.com>1998-04-30 16:57:14 +0000
committerUlrich Drepper <drepper@redhat.com>1998-04-30 16:57:14 +0000
commita62da3689a794d4154b16d3d7742fd1515723bb5 (patch)
treefc363572a5776f72a8a9ec516ac641c35636fb44
parent87161c8c887d83474187ec13a40a0658b6a15e14 (diff)
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mmap syscall interface for Linux/ARM.
-rw-r--r--sysdeps/unix/sysv/linux/arm/mmap.S39
1 files changed, 39 insertions, 0 deletions
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 <sysdep.h>
+
+ .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)