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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
Copyright (c) 1990 The Regents of the University of California.
All rights reserved.
Redistribution and use in source and binary forms are permitted
provided that the above copyright notice and this paragraph are
duplicated in all such forms and that any documentation,
and/or other materials related to such
distribution and use acknowledge that the software was developed
by the University of California, Berkeley. The name of the
University may not be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
.file "strcpy.S"
.section .text
.global _strcpy
.type _strcpy,@function
_strcpy:
movm [d2,d3,a2,a3],(sp)
.Lend_of_prologue:
mov d0,d3
mov d1,a0
mov d3,a1
mov a0,d0
#ifndef __OPTIMIZE_SIZE__
or d3,d0
btst 3,d0
bne .L2
mov (a0),d0
mov -16843009,a2
mov a2,d1
add d0,d1
not d0
and d0,d1
mov -2139062144,d2
btst -2139062144,d1
bne .L2
setlb
mov (a0),d0
mov d0,(a1)
inc4 a0
inc4 a1
mov (a0),d0
mov a2,d1
add d0,d1
not d0
and d0,d1
and d2,d1
leq
.L2:
#endif
setlb
movbu (a0),d0
movbu d0,(a1)
inc a0
inc a1
cmp 0,d0
lne
mov d3,a0
.Lepilogue:
ret [d2,d3,a2,a3],16
.Lend_of_strcpy:
.size _strcpy, .Lend_of_strcpy - _strcpy
.section .debug_frame,"",@progbits
.Lstart_of_debug_frame:
# Common Information Entry (CIE)
.4byte .Lend_of_CIE - .Lstart_of_CIE # CIE Length
.Lstart_of_CIE:
.4byte 0xffffffff # CIE Identifier Tag
.byte 0x1 # CIE Version
.ascii "\0" # CIE Augmentation
.uleb128 0x1 # CIE Code Alignment Factor
.sleb128 -4 # CIE Data Alignment Factor
.byte 0x32 # CIE RA Column
.byte 0xc # DW_CFA_def_cfa
.uleb128 0x9
.uleb128 0x0
.byte 0xb2 # DW_CFA_offset, column 0x32
.uleb128 0x0
.align 2
.Lend_of_CIE:
# Frame Description Entry (FDE)
.4byte .Lend_of_FDE - .Lstart_of_FDE # FDE Length
.Lstart_of_FDE:
.4byte .Lstart_of_debug_frame # FDE CIE offset
.4byte _strcpy # FDE initial location
.4byte .Lend_of_strcpy - _strcpy # FDE address range
.byte 0x4 # DW_CFA_advance_loc4
.4byte .Lend_of_prologue - _strcpy
.byte 0xe # DW_CFA_def_cfa_offset
.uleb128 0x4
.byte 0x87 # DW_CFA_offset, column 0x7
.uleb128 0x1
.align 2
.Lend_of_FDE:
|
