mirror of
https://sourceware.org/git/glibc.git
synced 2025-08-01 10:06:57 +03:00
63 lines
1.8 KiB
ArmAsm
63 lines
1.8 KiB
ArmAsm
/* Cancellable syscall wrapper. Linux/s390 version.
|
|
Copyright (C) 2023-2025 Free Software Foundation, Inc.
|
|
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>
|
|
#include <descr-const.h>
|
|
|
|
/* long int __syscall_cancel_arch (int *cancelhandling,
|
|
__syscall_arg_t nr,
|
|
__syscall_arg_t arg1,
|
|
__syscall_arg_t arg2,
|
|
__syscall_arg_t arg3,
|
|
__syscall_arg_t arg4,
|
|
__syscall_arg_t arg5,
|
|
__syscall_arg_t arg6) */
|
|
|
|
ENTRY (__syscall_cancel_arch)
|
|
stm %r6,%r7,24(%r15)
|
|
cfi_offset (%r6, -72)
|
|
cfi_offset (%r7, -68)
|
|
|
|
.globl __syscall_cancel_arch_start
|
|
__syscall_cancel_arch_start:
|
|
/* if (*cancelhandling & CANCELED_BITMASK)
|
|
__syscall_do_cancel() */
|
|
tm 3(%r2),TCB_CANCELED_BITMASK
|
|
jne 1f
|
|
|
|
/* Issue a 6 argument syscall, the nr [%r1] being the syscall
|
|
number. */
|
|
lr %r1,%r3
|
|
lr %r2,%r4
|
|
lr %r3,%r5
|
|
lr %r4,%r6
|
|
lm %r5,%r7,96(%r15)
|
|
svc 0
|
|
|
|
.globl __syscall_cancel_arch_end
|
|
__syscall_cancel_arch_end:
|
|
lm %r6,%r7,24(%r15)
|
|
cfi_remember_state
|
|
cfi_restore (%r7)
|
|
cfi_restore (%r6)
|
|
br %r14
|
|
1:
|
|
cfi_restore_state
|
|
jg __syscall_do_cancel
|
|
END (__syscall_cancel_arch)
|