aboutsummaryrefslogtreecommitdiff
path: root/ld/testsuite/ld-x86-64/tlsdesc.s
blob: ec6d190d6e627d080d144bb14b15b0570a80a2ce (plain)
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
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
	/* Force .data aligned to 4K, so .got very likely gets at 0x102190
	   (0x60 bytes .tdata and 0x130 bytes .dynamic)  */
        .data
        .balign 4096
	.section ".tdata", "awT", @progbits
	.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
	.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
	.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
sg1:	.long 17
sg2:	.long 18
sg3:	.long 19
sg4:	.long 20
sg5:	.long 21
sg6:	.long 22
sg7:	.long 23
sg8:	.long 24
sl1:	.long 65
sl2:	.long 66
sl3:	.long 67
sl4:	.long 68
sl5:	.long 69
sl6:	.long 70
sl7:	.long 71
sl8:	.long 72
sh1:	.long 257
sh2:	.long 258
sh3:	.long 259
sh4:	.long 260
sh5:	.long 261
sh6:	.long 262
sh7:	.long 263
sh8:	.long 264
	/* Force .text aligned to 4K, so it very likely gets at 0x1000.  */
	.text
	.balign	4096
	.globl	fn1
	.type	fn1,@function
fn1:
	pushq	%rbp
	movq	%rsp, %rbp
	nop;nop;nop;nop

	/* GD */
	leaq	sg1@tlsdesc(%rip), %rax
	call	*sg1@tlscall(%rax)
	nop;nop;nop;nop

	/* GD -> IE because variable is referenced through IE too */
	leaq	sg2@tlsdesc(%rip), %rax
	call	*sg2@tlscall(%rax)
	nop;nop;nop;nop

	/* GD against local variable */
	leaq	sl1@tlsdesc(%rip), %rax
	call	*sl1@tlscall(%rax)
	nop;nop;nop;nop

	/* GD -> IE against local variable referenced through IE too */
	leaq	sl2@tlsdesc(%rip), %rax
	call	*sl2@tlscall(%rax)
	nop;nop;nop;nop

	/* GD against hidden and local variable */
	leaq	sh1@tlsdesc(%rip), %rax
	call	*sh1@tlscall(%rax)
	nop;nop;nop;nop

	/* GD -> IE against hidden and local variable referenced through
	   IE too */
	leaq	sh2@tlsdesc(%rip), %rax
	call	*sh2@tlscall(%rax)
	nop;nop;nop;nop

	/* GD against hidden but not local variable */
	leaq	sH1@tlsdesc(%rip), %rax
	call	*sH1@tlscall(%rax)
	nop;nop;nop;nop

	/* GD -> IE against hidden but not local variable referenced through
	   IE too */
	leaq	sH2@tlsdesc(%rip), %rax
	call	*sH2@tlscall(%rax)
	nop;nop;nop;nop

	/* LD */
	leaq	_TLS_MODULE_BASE_@tlsdesc(%rip), %rax
	call	*_TLS_MODULE_BASE_@tlscall(%rax)
	nop;nop
	leaq	sl1@dtpoff(%rax), %rdx
	nop;nop
	leaq	2+sl2@dtpoff(%rax), %r9
	nop;nop;nop;nop

	/* LD against hidden and local variables */
	leaq	sh1@dtpoff(%rax), %rdx
	nop;nop
	leaq	sh2@dtpoff+3(%rax), %rcx
	nop;nop;nop;nop

	/* LD against hidden but not local variables */
	leaq	sH1@dtpoff(%rax), %r12
	nop;nop
	leaq	sH2@dtpoff+1(%rax), %rcx
	nop;nop

	/* IE against global var  */
	movq	%fs:0, %rcx
	nop;nop
	addq	sg2@gottpoff(%rip), %rcx
	nop;nop;nop;nop

	/* IE against local var  */
	movq	%fs:0, %r14
	nop;nop
	addq	sl2@gottpoff(%rip), %r14
	nop;nop;nop;nop

	/* IE against hidden and local var  */
	movq	%fs:0, %rcx
	nop;nop
	addq	sh2@gottpoff(%rip), %rcx
	nop;nop;nop;nop

	/* IE against hidden but not local var  */
	movq	%fs:0, %rcx
	nop;nop
	addq	sH2@gottpoff(%rip), %rcx
	nop;nop;nop;nop

	/* Direct access through %fs  */

	/* IE against global var  */
	movq	sg5@gottpoff(%rip), %rcx
	nop;nop
	movq	%fs:(%rcx), %rdx
	nop;nop;nop;nop

	/* IE against local var  */
	movq	sl5@gottpoff(%rip), %r10
	nop;nop
	movq	%fs:(%r10), %r12
	nop;nop;nop;nop

	/* IE against hidden and local var  */
	movq	sh5@gottpoff(%rip), %rdx
	nop;nop
	movq	%fs:(%rdx), %rdx
	nop;nop;nop;nop

	/* IE against hidden but not local var  */
	movq	sH5@gottpoff(%rip), %rcx
	nop;nop
	movq	%fs:(%rcx), %rdx
	nop;nop;nop;nop

	leave
	ret