diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-32/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/syscall.S | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S deleted file mode 100644 index 8506db1cc1..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright (C) 2000-2017 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 - <http://www.gnu.org/licenses/>. */ - -#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 */ - cfi_offset (%r15, -36) - cfi_offset (%r14, -40) - cfi_offset (%r13, -44) - cfi_offset (%r12, -48) - cfi_offset (%r11, -52) - cfi_offset (%r10, -56) - cfi_offset (%r9, -60) - cfi_offset (%r8, -64) - cfi_offset (%r7, -68) - cfi_offset (%r6, -72) - lr %r1,%r15 - l %r0,4(0,%r15) /* load eos */ - ahi %r15,-96 /* buy stack space */ - cfi_adjust_cfa_offset (96) - 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 */ - l %r7,196(%r15) /* sixth parameter */ - - basr %r8,0 -0: cl %r1,4f-0b(%r8) /* svc number < 256? */ - jl 2f -1: svc 0 - j 3f -2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */ -3: l %r15,0(%r15) /* load back chain */ - cfi_adjust_cfa_offset (-96) - 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 */ -4: .long 256 -PSEUDO_END (syscall) |