ObjFW  Diff

Differences From Artifact [cd6507b46d]:

To Artifact [657ef9388f]:


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
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







-
+


-
+

















-
+







.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	mov	edx, [esp + 4]
	test	edx, edx
	jz	short .LreturnNilMethod
	jz	.LreturnNilMethod

	test	dl, 1
	jnz	short .LtaggedPointer_\name
	jnz	.LtaggedPointer_\name

	mov	edx, [edx]
	mov	edx, [edx + 32]

.Lmain_\name:
	mov	eax, [esp + 8]

#ifdef OF_SELUID24
	movzx	ecx, byte ptr [eax + 2]
	mov	edx, [edx + 4 * ecx]
#endif
	movzx	ecx, byte ptr [eax + 1]
	mov	edx, [edx + 4 * ecx]
	movzx	ecx, byte ptr [eax]
	mov	eax, [edx + 4 * ecx]

	test	eax, eax
	jz	short 0f
	jz	0f

	ret

0:
	call	.LgetEIP
	add	eax, offset _GLOBAL_OFFSET_TABLE_
	mov	eax, [eax + \notFound@GOT]
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
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







-
+









-
+




-
+







	and	dl, 0xE
	movzx	edx, dl

	mov	eax, [eax + objc_taggedPointerClasses@GOT]
	mov	edx, [eax + 2 * edx]
	mov	edx, [edx + 32]

	jmp	short .Lmain_\name
	jmp	.Lmain_\name
.type \name, %function
.size \name, .-\name
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	mov	edx, [esp + 4]
	mov	eax, [edx]
	test	eax, eax
	jz	short .LreturnNilMethod
	jz	.LreturnNilMethod

	mov	[esp + 4], eax
	mov	edx, [edx + 4]
	mov	edx, [edx + 32]
	jmp	short .Lmain_\lookup
	jmp	.Lmain_\lookup
.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