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/* Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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)
/* Save registers and setup stack frame. */
stm %r6,%r15,24(%r15)
lr %r1,%r15
l %r0,4(0,%r15) /* load eos */
ahi %r15,-120 /* buy stack space */
st %r1,0(0,%r15) /* store back chain */
st %r0,4(0,%r15) /* store eos */
/* Store parameters on stack, because old_mmap
* takes only one parameter: a pointer to the parameter area
*/
mvc 0x74(4,%r15),216(%r15) /* move 'offset' */
st %r6,0x70(0,%r15) /* store 'fd' */
st %r5,0x6C(0,%r15) /* store 'flags' */
st %r4,0x68(0,%r15) /* store 'prot' */
st %r3,0x64(0,%r15) /* store 'length' */
st %r2,0x60(0,%r15) /* store 'start' */
la %r2,0x60(0,%r15) /* load address of parameter list */
/* Do the system call trap. */
svc SYS_ify(mmap)
l %r15,0(0,%r15) /* load back chain */
lm %r6,%r15,24(%r15) /* load registers */
/* check gpr 2 for error */
lhi %r0,-4096
clr %r2,%r0
jnl SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */
br %r14
PSEUDO_END (__mmap)
weak_alias (__mmap, mmap)
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