22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret
.section .text
.macro GENERATE_LOOKUP name notFound
\name:
tst %o0
bz returnNilMethod
btst 1, %o0
bnz .LtaggedPointer_\name
nop
ld [%o0], %o2
ld [%o2 + 32], %o2
|
|
|
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret
.section .text
.macro GENERATE_LOOKUP name notFound
\name:
tst %o0
bz .LreturnNilMethod
btst 1, %o0
bnz .LtaggedPointer_\name
nop
ld [%o0], %o2
ld [%o2 + 32], %o2
|
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
|
.endm
.macro GENERATE_LOOKUP_SUPER name lookup
\name:
mov %o0, %o2
ld [%o0], %o0
cmp %o0, 0
be returnNilMethod
nop
ld [%o2 + 4], %o2
ba .Lmain_\lookup
ld [%o2 + 32], %o2
.type \name, %function
.size \name, .-\name
.endm
GENERATE_LOOKUP objc_msg_lookup objc_methodNotFound
GENERATE_LOOKUP objc_msg_lookup_stret objc_methodNotFound_stret
GENERATE_LOOKUP_SUPER objc_msg_lookup_super objc_msg_lookup
GENERATE_LOOKUP_SUPER objc_msg_lookup_super_stret objc_msg_lookup_stret
returnNilMethod:
#ifdef OF_PIC
mov %o7, %g1
sethi %hi(_GLOBAL_OFFSET_TABLE_ - 4), %o1
call 0f
add %o1, %lo(_GLOBAL_OFFSET_TABLE_ + 4), %o1
0:
add %o7, %o1, %o1
sethi %hi(nilMethod), %o0
or %o0, %lo(nilMethod), %o0
jmpl %g1 + 8, %g0
ld [%o1 + %o0], %o0
#else
sethi %hi(nilMethod), %o0
retl
or %o0, %lo(nilMethod), %o0
#endif
nilMethod:
retl
clr %o0
#if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD)
.section .note.GNU-stack, "", %progbits
#endif
|
|
|
|
|
|
|
|
|
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
|
.endm
.macro GENERATE_LOOKUP_SUPER name lookup
\name:
mov %o0, %o2
ld [%o0], %o0
cmp %o0, 0
be .LreturnNilMethod
nop
ld [%o2 + 4], %o2
ba .Lmain_\lookup
ld [%o2 + 32], %o2
.type \name, %function
.size \name, .-\name
.endm
GENERATE_LOOKUP objc_msg_lookup objc_methodNotFound
GENERATE_LOOKUP objc_msg_lookup_stret objc_methodNotFound_stret
GENERATE_LOOKUP_SUPER objc_msg_lookup_super objc_msg_lookup
GENERATE_LOOKUP_SUPER objc_msg_lookup_super_stret objc_msg_lookup_stret
.LreturnNilMethod:
#ifdef OF_PIC
mov %o7, %g1
sethi %hi(_GLOBAL_OFFSET_TABLE_ - 4), %o1
call 0f
add %o1, %lo(_GLOBAL_OFFSET_TABLE_ + 4), %o1
0:
add %o7, %o1, %o1
sethi %hi(.LnilMethod), %o0
or %o0, %lo(.LnilMethod), %o0
jmpl %g1 + 8, %g0
ld [%o1 + %o0], %o0
#else
sethi %hi(.LnilMethod), %o0
retl
or %o0, %lo(.LnilMethod), %o0
#endif
.LnilMethod:
retl
clr %o0
#if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD)
.section .note.GNU-stack, "", %progbits
#endif
|