1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/* Cancellable syscall wrapper. Linux/alpha 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>
/* long int __syscall_cancel_arch (int *ch,
__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) */
.set noreorder
.set noat
.set nomacro
ENTRY (__syscall_cancel_arch)
.frame sp, 16, ra, 0
.mask 0x4000000,-16
cfi_startproc
ldah gp, 0(t12)
lda gp, 0(gp)
lda sp, -16(sp)
cfi_def_cfa_offset (16)
mov a1, v0
stq ra, 0(sp)
cfi_offset (26, -16)
.prologue 1
.global __syscall_cancel_arch_start
__syscall_cancel_arch_start:
ldl t0, 0(a0)
addl zero, t0, t0
/* if (*ch & CANCELED_BITMASK) */
and t0, TCB_CANCELED_BITMASK, t0
bne t0, 1f
mov a2, a0
mov a3, a1
mov a4, a2
ldq a4, 16(sp)
mov a5, a3
ldq a5, 24(sp)
.set macro
callsys
.set nomacro
.global __syscall_cancel_arch_end
__syscall_cancel_arch_end:
subq zero, v0, t0
ldq ra, 0(sp)
cmovne a3, t0, v0
lda sp, 16(sp)
cfi_remember_state
cfi_restore (26)
cfi_def_cfa_offset (0)
ret zero, (ra), 1
.align 4
1:
cfi_restore_state
ldq t12, __syscall_do_cancel(gp) !literal!2
jsr ra, (t12), __syscall_do_cancel !lituse_jsr!2
cfi_endproc
END (__syscall_cancel_arch)
|
