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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
+
+
-
-
+
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
+
+
-
-
+
+
-
-
+
+
-
-
-
-
+
+
+
+
-
-
-
-
+
+
+
+
-
+
-
-
+
+
-
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
+
+
-
+
-
-
+
+
-
-
+
+
-
-
+
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
-
-
+
+
-
-
+
+
-
-
+
+
-
-
-
-
+
+
+
+
-
-
-
-
+
+
+
+
-
+
-
-
+
+
-
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
+
+
-
+
-
-
-
+
+
+
-
-
+
+
-
+
|
* file.
*/
#include "config.h"
#include "platform.h"
.intel_syntax noprefix
.globl OFForward
.globl OFForward_stret
.section .text
OFForward:
pushq %rbp
movq %rsp, %rbp
push rbp
mov rbp, rsp
/* Save all arguments */
subq $0xC0, %rsp /* 16-byte alignment */
movq %rax, -0x8(%rbp)
movq %rdi, -0x10(%rbp)
movq %rsi, -0x18(%rbp)
movq %rdx, -0x20(%rbp)
movq %rcx, -0x28(%rbp)
movq %r8, -0x30(%rbp)
movq %r9, -0x38(%rbp)
movaps %xmm0, -0x50(%rbp)
movaps %xmm1, -0x60(%rbp)
movaps %xmm2, -0x70(%rbp)
movaps %xmm3, -0x80(%rbp)
movaps %xmm4, -0x90(%rbp)
movaps %xmm5, -0xA0(%rbp)
movaps %xmm6, -0xB0(%rbp)
movaps %xmm7, -0xC0(%rbp)
sub rsp, 0xC0 /* 16-byte alignment */
mov [rbp - 0x08], rax
mov [rbp - 0x10], rdi
mov [rbp - 0x18], rsi
mov [rbp - 0x20], rdx
mov [rbp - 0x28], rcx
mov [rbp - 0x30], r8
mov [rbp - 0x38], r9
movaps [rbp - 0x50], xmm0
movaps [rbp - 0x60], xmm1
movaps [rbp - 0x70], xmm2
movaps [rbp - 0x80], xmm3
movaps [rbp - 0x90], xmm4
movaps [rbp - 0xA0], xmm5
movaps [rbp - 0xB0], xmm6
movaps [rbp - 0xC0], xmm7
call object_getClass@PLT
movq %rax, %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
mov rdi, rax
lea rsi, [rip + sel_forwardingTargetForSelector_]
call class_respondsToSelector@PLT
testq %rax, %rax
jz 0f
test rax, rax
jz short 0f
movq -0x10(%rbp), %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
mov rdi, [rbp - 0x10]
lea rsi, [rip + sel_forwardingTargetForSelector_]
call objc_msg_lookup@PLT
movq -0x10(%rbp), %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
movq -0x18(%rbp), %rdx
call *%rax
mov rdi, [rbp - 0x10]
lea rsi, [rip + sel_forwardingTargetForSelector_]
mov rdx, [rbp - 0x18]
call rax
testq %rax, %rax
jz 0f
cmpq -0x10(%rbp), %rax
je 0f
test rax, rax
jz short 0f
cmp rax, [rbp - 0x10]
je short 0f
movq %rax, -0x10(%rbp)
mov [rbp - 0x10], rax
movq %rax, %rdi
movq -0x18(%rbp), %rsi
mov rdi, rax
mov rsi, [rbp - 0x18]
call objc_msg_lookup@PLT
movq %rax, %r11
mov r11, rax
/* Restore all arguments */
movaps -0xC0(%rbp), %xmm7
movaps -0xB0(%rbp), %xmm6
movaps -0xA0(%rbp), %xmm5
movaps -0x90(%rbp), %xmm4
movaps -0x80(%rbp), %xmm3
movaps -0x70(%rbp), %xmm2
movaps -0x60(%rbp), %xmm1
movaps -0x50(%rbp), %xmm0
movq -0x38(%rbp), %r9
movq -0x30(%rbp), %r8
movq -0x28(%rbp), %rcx
movq -0x20(%rbp), %rdx
movq -0x18(%rbp), %rsi
movq -0x10(%rbp), %rdi
movq -0x8(%rbp), %rax
movaps xmm7, [rbp - 0xC0]
movaps xmm6, [rbp - 0xB0]
movaps xmm5, [rbp - 0xA0]
movaps xmm4, [rbp - 0x90]
movaps xmm3, [rbp - 0x80]
movaps xmm2, [rbp - 0x70]
movaps xmm1, [rbp - 0x60]
movaps xmm0, [rbp - 0x50]
mov r9, [rbp - 0x38]
mov r8, [rbp - 0x30]
mov rcx, [rbp - 0x28]
mov rdx, [rbp - 0x20]
mov rsi, [rbp - 0x18]
mov rdi, [rbp - 0x10]
mov rax, [rbp - 0x08]
movq %rbp, %rsp
popq %rbp
mov rsp, rbp
pop rbp
jmpq *%r11
jmp r11
0:
movq -0x10(%rbp), %rdi
movq -0x18(%rbp), %rsi
mov rdi, [rbp - 0x10]
mov rsi, [rbp - 0x18]
movq %rbp, %rsp
popq %rbp
mov rsp, rbp
pop rbp
jmp OFMethodNotFound@PLT
.type OFForward, %function
.size OFForward, .-OFForward
OFForward_stret:
pushq %rbp
movq %rsp, %rbp
push rbp
mov rbp, rsp
/* Save all arguments */
subq $0xC0, %rsp /* 16-byte alignment */
movq %rax, -0x8(%rbp)
movq %rdi, -0x10(%rbp)
movq %rsi, -0x18(%rbp)
movq %rdx, -0x20(%rbp)
movq %rcx, -0x28(%rbp)
movq %r8, -0x30(%rbp)
movq %r9, -0x38(%rbp)
movaps %xmm0, -0x50(%rbp)
movaps %xmm1, -0x60(%rbp)
movaps %xmm2, -0x70(%rbp)
movaps %xmm3, -0x80(%rbp)
movaps %xmm4, -0x90(%rbp)
movaps %xmm5, -0xA0(%rbp)
movaps %xmm6, -0xB0(%rbp)
movaps %xmm7, -0xC0(%rbp)
sub rsp, 0xC0 /* 16-byte alignment */
mov [rbp - 0x08], rax
mov [rbp - 0x10], rdi
mov [rbp - 0x18], rsi
mov [rbp - 0x20], rdx
mov [rbp - 0x28], rcx
mov [rbp - 0x30], r8
mov [rbp - 0x38], r9
movaps [rbp - 0x50], xmm0
movaps [rbp - 0x60], xmm1
movaps [rbp - 0x70], xmm2
movaps [rbp - 0x80], xmm3
movaps [rbp - 0x90], xmm4
movaps [rbp - 0xA0], xmm5
movaps [rbp - 0xB0], xmm6
movaps [rbp - 0xC0], xmm7
movq %rsi, %rdi
mov rdi, rsi
call object_getClass@PLT
movq %rax, %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
mov rdi, rax
lea rsi, [rip + sel_forwardingTargetForSelector_]
call class_respondsToSelector@PLT
testq %rax, %rax
jz 0f
test rax, rax
jz short 0f
movq -0x18(%rbp), %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
mov rdi, [rbp - 0x18]
lea rsi, [rip + sel_forwardingTargetForSelector_]
call objc_msg_lookup@PLT
movq -0x18(%rbp), %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
movq -0x20(%rbp), %rdx
call *%rax
mov rdi, [rbp - 0x18]
lea rsi, [rip + sel_forwardingTargetForSelector_]
mov rdx, [rbp - 0x20]
call rax
testq %rax, %rax
jz 0f
cmpq -0x18(%rbp), %rax
je 0f
test rax, rax
jz short 0f
cmp rax, [rbp - 0x18]
je short 0f
movq %rax, -0x18(%rbp)
mov [rbp - 0x18], rax
movq %rax, %rdi
movq -0x20(%rbp), %rsi
mov rdi, rax
mov rsi, [rbp - 0x20]
call objc_msg_lookup_stret@PLT
movq %rax, %r11
mov r11, rax
/* Restore all arguments */
movaps -0xC0(%rbp), %xmm7
movaps -0xB0(%rbp), %xmm6
movaps -0xA0(%rbp), %xmm5
movaps -0x90(%rbp), %xmm4
movaps -0x80(%rbp), %xmm3
movaps -0x70(%rbp), %xmm2
movaps -0x60(%rbp), %xmm1
movaps -0x50(%rbp), %xmm0
movq -0x38(%rbp), %r9
movq -0x30(%rbp), %r8
movq -0x28(%rbp), %rcx
movq -0x20(%rbp), %rdx
movq -0x18(%rbp), %rsi
movq -0x10(%rbp), %rdi
movq -0x8(%rbp), %rax
movaps xmm7, [rbp - 0xC0]
movaps xmm6, [rbp - 0xB0]
movaps xmm5, [rbp - 0xA0]
movaps xmm4, [rbp - 0x90]
movaps xmm3, [rbp - 0x80]
movaps xmm2, [rbp - 0x70]
movaps xmm1, [rbp - 0x60]
movaps xmm0, [rbp - 0x50]
mov r9, [rbp - 0x38]
mov r8, [rbp - 0x30]
mov rcx, [rbp - 0x28]
mov rdx, [rbp - 0x20]
mov rsi, [rbp - 0x18]
mov rdi, [rbp - 0x10]
mov rax, [rbp - 0x08]
movq %rbp, %rsp
popq %rbp
mov rsp, rbp
pop rbp
jmpq *%r11
jmp r11
0:
movq -0x10(%rbp), %rdi
movq -0x18(%rbp), %rsi
movq -0x20(%rbp), %rdx
mov rdi, [rbp - 0x10]
mov rsi, [rbp - 0x18]
mov rdx, [rbp - 0x20]
movq %rbp, %rsp
popq %rbp
mov rsp, rbp
pop rbp
jmp OFMethodNotFound_stret@PLT
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret
init:
leaq module(%rip), %rdi
lea rdi, [rip + module]
jmp __objc_exec_class@PLT
#ifdef OF_SOLARIS
.section .init_array, "aw"
#else
.section .ctors, "aw", %progbits
#endif
|