mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-19 11:30:06 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
68 lines
2.5 KiB
ArmAsm
68 lines
2.5 KiB
ArmAsm
/* Wrapper around mmap system call. 64 bit S/390 version.
|
|
Copyright (C) 2001 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 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
#define EINVAL 22
|
|
|
|
.text
|
|
|
|
ENTRY(__mmap)
|
|
/* Save registers and setup stack frame. */
|
|
stmg %r6,%r15,48(%r15)
|
|
lgr %r1,%r15
|
|
lg %r0,8(%r15) /* Load eos. */
|
|
aghi %r15,-208 /* Buy stack space. */
|
|
stg %r1,0(%r15) /* Store back chain. */
|
|
stg %r0,8(%r15) /* Store eos. */
|
|
|
|
/* Store parameters on stack, because old_mmap
|
|
takes only one parameter: a pointer to the parameter area. */
|
|
mvc 200(8,%r15),368(%r15) /* Move 'offset'. */
|
|
lgfr %r6,%r6
|
|
stg %r6,192(%r15) /* Store 'fd'. */
|
|
lgfr %r5,%r5
|
|
stg %r5,184(%r15) /* Store 'flags'. */
|
|
lgfr %r4,%r4
|
|
stg %r4,176(%r15) /* Store 'prot'. */
|
|
stg %r3,168(%r15) /* Store 'length'. */
|
|
stg %r2,160(%r15) /* Store 'start'. */
|
|
|
|
la %r2,160(%r15) /* Load address of parameter list. */
|
|
/* Do the system call trap. */
|
|
svc SYS_ify(mmap)
|
|
|
|
lg %r15,0(%r15) /* Load back chain. */
|
|
lmg %r6,%r15,48(%r15) /* Load registers. */
|
|
|
|
/* Check gpr 2 for error. */
|
|
lghi %r0,-4096
|
|
clgr %r2,%r0
|
|
jnl SYSCALL_ERROR_LABEL
|
|
|
|
/* Successful; return the syscall's value. */
|
|
br %r14
|
|
|
|
PSEUDO_END (__mmap)
|
|
|
|
weak_alias (__mmap, mmap)
|
|
weak_alias (__mmap, mmap64)
|
|
|