/* Copyright (C) 2000-2019 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, see . */ #include /* Please consult the file sysdeps/unix/sysv/linux/s390/sysdep.h for more information about the value -4095 used below.*/ ENTRY (syscall) stm %r6,%r7,24(%r15) /* save registers */ cfi_offset (%r7, -68) cfi_offset (%r6, -72) 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 */ lm %r6,%r7,96(%r15) /* fifth / sixth parameter */ svc 0 lm %r6,%r7,24(%r15) /* load registers. */ lhi %r0,-4095 clr %r2,%r0 /* check R2 for error */ jnl SYSCALL_ERROR_LABEL br %r14 /* return to caller */ PSEUDO_END (syscall)