diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/syscall.S | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S deleted file mode 100644 index 24c47cb75a..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S +++ /dev/null @@ -1,68 +0,0 @@ -/* Copyright (C) 2001-2017 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. */ - stmg %r6,%r15,48(%r15) /* Save registers. */ - cfi_offset (%r15,-40) - cfi_offset (%r14,-48) - cfi_offset (%r13,-56) - cfi_offset (%r12,-64) - cfi_offset (%r11,-72) - cfi_offset (%r10,-80) - cfi_offset (%r9,-88) - cfi_offset (%r8,-96) - cfi_offset (%r7,-104) - cfi_offset (%r6,-112) - lgr %r1,%r15 - lg %r0,8(%r15) /* Load eos. */ - aghi %r15,-160 /* Buy stack space. */ - cfi_adjust_cfa_offset (160) - stg %r1,0(%r15) /* Store back chain. */ - stg %r0,8(%r15) /* Store eos. */ - - lgr %r1,%r2 /* Move syscall number. */ - lgr %r2,%r3 /* First parameter. */ - lgr %r3,%r4 /* Second parameter. */ - lgr %r4,%r5 /* Third parameter. */ - lgr %r5,%r6 /* Fourth parameter. */ - lg %r6,320(%r15) /* Fifth parameter. */ - lg %r7,328(%r15) /* Sixth parameter. */ - - basr %r8,0 -0: clg %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: lg %r15,0(%r15) /* load back chain */ - cfi_adjust_cfa_offset (-160) - lmg %r6,15,48(%r15) /* Load registers. */ - - lghi %r0,-4095 - clgr %r2,%r0 /* Check R2 for error. */ - jgnl SYSCALL_ERROR_LABEL - br %r14 /* Return to caller. */ -4: .quad 256 -PSEUDO_END (syscall) - |