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/* Cancellable syscall wrapper. Linux/sparc64 version.
Copyright (C) 2023 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>
.register %g2, #scratch
/* long int __syscall_cancel_arch (int *cancelhandling,
long int nr,
long int arg1,
long int arg2,
long int arg3,
long int arg4,
long int arg5,
long int arg6) */
ENTRY (__syscall_cancel_arch)
save %sp, -176, %sp
cfi_window_save
cfi_register (%o7, %i7)
cfi_def_cfa_register (%fp)
.globl __syscall_cancel_arch_start
__syscall_cancel_arch_start:
/* if (*cancelhandling & CANCELED_BITMASK)
__syscall_do_cancel() */
lduw [%i0], %g2
andcc %g2, TCB_CANCELED_BITMASK, %g0
bne,pn %xcc, 2f
/* Issue a 6 argument syscall. */
mov %i2, %o0
mov %i3, %o1
mov %i4, %o2
mov %i5, %o3
ldx [%fp + STACK_BIAS + 176], %o4
ldx [%fp + STACK_BIAS + 184], %o5
mov %i1, %g1
ta 0x6d
.global __syscall_cancel_arch_end
__syscall_cancel_arch_end:
bcc,pt %xcc, 1f
nop
sub %g0, %o0, %o0
1:
mov %o0, %i0
return %i7+8
nop
2:
call __syscall_do_cancel, 0
nop
nop
END (__syscall_cancel_arch)
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