glibc/sysdeps/unix/sysv/linux/arc/syscall_cancel.S

56 lines
1.6 KiB
ArmAsm

/* Cancellable syscall wrapper. Linux/ARC 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)
.globl __syscall_cancel_arch_start
__syscall_cancel_arch_start:
ld_s r12,[r0]
bbit1 r12, TCB_CANCELED_BITMASK, 1f
mov_s r8, r1
mov_s r0, r2
mov_s r1, r3
mov_s r2, r4
mov_s r3, r5
mov_s r4, r6
mov_s r5, r7
trap_s 0
.globl __syscall_cancel_arch_end
__syscall_cancel_arch_end:
j_s [blink]
.align 4
1: push_s blink
cfi_def_cfa_offset (4)
cfi_offset (31, -4)
bl @__syscall_do_cancel
END (__syscall_cancel_arch)