mirror of
https://sourceware.org/git/glibc.git
synced 2024-10-01 03:27:48 +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.
52 lines
2.1 KiB
ArmAsm
52 lines
2.1 KiB
ArmAsm
/* Copyright (C) 2000, 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>
|
|
|
|
/* Please consult the file sysdeps/unix/sysv/linux/s390/sysdep.h for
|
|
more information about the value -4095 used below.*/
|
|
|
|
ENTRY (syscall)
|
|
/* Save registers and setup stack. */
|
|
stm %r6,%r15,24(%r15) /* save registers */
|
|
lr %r1,%r15
|
|
l %r0,4(0,%r15) /* load eos */
|
|
ahi %r15,-96 /* buy stack space */
|
|
st %r1,0(0,%r15) /* store back chain */
|
|
st %r0,4(0,%r15) /* store eos */
|
|
|
|
lr %r1,%r2 /* move syscall number */
|
|
lr %r2,%r3 /* first parameter */
|
|
lr %r3,%r4 /* second parameter */
|
|
lr %r4,%r5 /* third parameter */
|
|
lr %r5,%r6 /* fourth parameter */
|
|
l %r6,192(%r15) /* fifth parameter */
|
|
basr %r7,0
|
|
.L0: ex %r1,.L1-.L0(%r7) /* lsb of R1 is subsituted as SVC number */
|
|
|
|
l %r15,0(0,%r15) /* load back chain */
|
|
lm %r6,15,24(%r15) /* load registers */
|
|
|
|
lhi %r0,-4095
|
|
clr %r2,%r0 /* check R2 for error */
|
|
jnl SYSCALL_ERROR_LABEL
|
|
br %r14 /* return to caller */
|
|
.L1: .word 0x0A00 /* opcode for SVC 0 */
|
|
PSEUDO_END (syscall)
|