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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
-
-
-
-
+
+
-
-
+
+
-
-
+
+
-
-
-
+
+
+
-
-
+
+
-
-
-
-
+
+
+
+
-
-
-
-
-
-
-
+
+
+
+
+
+
+
-
-
+
+
-
-
+
+
-
-
-
-
+
+
+
+
-
-
-
+
+
+
-
+
-
-
-
+
+
+
-
-
+
+
-
-
+
+
-
-
+
+
-
-
-
+
+
+
-
-
+
+
-
-
-
-
+
+
+
+
-
-
-
-
-
-
-
+
+
+
+
+
+
+
-
-
-
-
+
+
+
+
-
-
-
-
+
+
+
+
-
-
-
+
+
+
-
+
-
-
-
+
+
+
-
-
+
+
-
-
+
+
-
-
+
+
-
-
-
+
+
+
|
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
.intel_syntax noprefix
.globl _of_forward
.globl _of_forward_stret
.section .text
_of_forward:
push ebp
mov ebp, esp
pushl %ebp
movl %esp, %ebp
push ebx
sub esp, 20
pushl %ebx
subl $20, %esp
mov eax, [ebp+8]
mov [esp], eax
movl 8(%ebp), %eax
movl %eax, (%esp)
call _object_getClass
mov [esp], eax
mov eax, offset sel_forwardingTargetForSelector_
mov [esp+4], eax
movl %eax, (%esp)
movl $sel_forwardingTargetForSelector_, %eax
movl %eax, 4(%esp)
call _class_respondsToSelector
test eax, eax
jz short 0f
testl %eax, %eax
jz 0f
mov eax, [ebp+8]
mov [esp], eax
mov eax, offset sel_forwardingTargetForSelector_
mov [esp+4], eax
movl 8(%ebp), %eax
movl %eax, (%esp)
movl $sel_forwardingTargetForSelector_, %eax
movl %eax, 4(%esp)
call _objc_msg_lookup
mov edx, [ebp+8]
mov [esp], edx
mov edx, offset sel_forwardingTargetForSelector_
mov [esp+4], edx
mov edx, [ebp+12]
mov [esp+8], edx
call eax
movl 8(%ebp), %edx
movl %edx, (%esp)
movl $sel_forwardingTargetForSelector_, %edx
movl %edx, 4(%esp)
movl 12(%ebp), %edx
movl %edx, 8(%esp)
call *%eax
test eax, eax
jz short 0f
testl %eax, %eax
jz 0f
cmp eax, [ebp+8]
je short 0f
cmpl 8(%ebp), %eax
je 0f
mov [ebp+8], eax
mov [esp], eax
mov eax, [ebp+12]
mov [esp+4], eax
movl %eax, 8(%ebp)
movl %eax, (%esp)
movl 12(%ebp), %eax
movl %eax, 4(%esp)
call _objc_msg_lookup
add esp, 20
pop ebx
pop ebp
addl $20, %esp
popl %ebx
popl %ebp
jmp eax
jmp *%eax
0:
add esp, 20
pop ebx
pop ebp
addl $20, %esp
popl %ebx
popl %ebp
jmp _of_method_not_found
_of_forward_stret:
push ebp
mov ebp, esp
pushl %ebp
movl %esp, %ebp
push ebx
sub esp, 20
pushl %ebx
subl $20, %esp
mov eax, [ebp+12]
mov [esp], eax
movl 12(%ebp), %eax
movl %eax, (%esp)
call _object_getClass
mov [esp], eax
mov eax, offset sel_forwardingTargetForSelector_
mov [esp+4], eax
movl %eax, (%esp)
movl $sel_forwardingTargetForSelector_, %eax
movl %eax, 4(%esp)
call _class_respondsToSelector
test eax, eax
jz short 0f
testl %eax, %eax
jz 0f
mov eax, [ebp+12]
mov [esp], eax
mov eax, offset sel_forwardingTargetForSelector_
mov [esp+4], eax
movl 12(%ebp), %eax
movl %eax, (%esp)
movl $sel_forwardingTargetForSelector_, %eax
movl %eax, 4(%esp)
call _objc_msg_lookup
mov edx, [ebp+12]
mov [esp], edx
mov edx, offset sel_forwardingTargetForSelector_
mov [esp+4], edx
mov edx, [ebp+16]
mov [esp+8], edx
call eax
movl 12(%ebp), %edx
movl %edx, (%esp)
movl $sel_forwardingTargetForSelector_, %edx
movl %edx, 4(%esp)
movl 16(%ebp), %edx
movl %edx, 8(%esp)
call *%eax
test eax, eax
jz short 0f
cmp eax, [ebp+12]
je short 0f
testl %eax, %eax
jz 0f
cmpl 12(%ebp), %eax
je 0f
mov [ebp+12], eax
mov [esp], eax
mov eax, [ebp+16]
mov [esp+4], eax
movl %eax, 12(%ebp)
movl %eax, (%esp)
movl 16(%ebp), %eax
movl %eax, 4(%esp)
call _objc_msg_lookup_stret
add esp, 20
pop ebx
pop ebp
addl $20, %esp
popl %ebx
popl %ebp
jmp eax
jmp *%eax
0:
add esp, 20
pop ebx
pop ebp
addl $20, %esp
popl %ebx
popl %ebp
jmp _of_method_not_found_stret
init:
push ebp
mov ebp, esp
pushl %ebp
movl %esp, %ebp
push ebx
sub esp, 4
pushl %ebx
subl $4, %esp
mov eax, offset module
mov [esp], eax
movl $module, %eax
movl %eax, (%esp)
call ___objc_exec_class
add esp, 4
pop ebx
pop ebp
addl $4, %esp
popl %ebx
popl %ebp
ret
.section .ctors, "aw"
.long init
.section .rodata
str_forwardingTargetForSelector_:
|