Commit | Line | Data |
---|---|---|
bffbf940 JJ |
1 | /* Force .data aligned to 4K, so .got very likely gets at 0x102190 |
2 | (0x60 bytes .tdata and 0x130 bytes .dynamic) */ | |
3 | .data | |
4 | .balign 4096 | |
5 | .section ".tdata", "awT", @progbits | |
6 | .globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8 | |
7 | .globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8 | |
8 | .hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8 | |
9 | sg1: .long 17 | |
10 | sg2: .long 18 | |
11 | sg3: .long 19 | |
12 | sg4: .long 20 | |
13 | sg5: .long 21 | |
14 | sg6: .long 22 | |
15 | sg7: .long 23 | |
16 | sg8: .long 24 | |
17 | sl1: .long 65 | |
18 | sl2: .long 66 | |
19 | sl3: .long 67 | |
20 | sl4: .long 68 | |
21 | sl5: .long 69 | |
22 | sl6: .long 70 | |
23 | sl7: .long 71 | |
24 | sl8: .long 72 | |
25 | sh1: .long 257 | |
26 | sh2: .long 258 | |
27 | sh3: .long 259 | |
28 | sh4: .long 260 | |
29 | sh5: .long 261 | |
30 | sh6: .long 262 | |
31 | sh7: .long 263 | |
32 | sh8: .long 264 | |
33 | /* Force .text aligned to 4K, so it very likely gets at 0x1000. */ | |
34 | .text | |
35 | .balign 4096 | |
36 | .globl fn1 | |
37 | .type fn1,@function | |
38 | fn1: | |
39 | pushq %rbp | |
40 | movq %rsp, %rbp | |
41 | nop;nop;nop;nop | |
42 | ||
43 | /* GD */ | |
abcf1d52 | 44 | .byte 0x66 |
bffbf940 | 45 | leaq sg1@tlsgd(%rip), %rdi |
abcf1d52 JJ |
46 | .word 0x6666 |
47 | rex64 | |
bffbf940 JJ |
48 | call __tls_get_addr@plt |
49 | nop;nop;nop;nop | |
50 | ||
51 | /* GD -> IE because variable is referenced through IE too */ | |
abcf1d52 | 52 | .byte 0x66 |
bffbf940 | 53 | leaq sg2@tlsgd(%rip), %rdi |
abcf1d52 JJ |
54 | .word 0x6666 |
55 | rex64 | |
bffbf940 JJ |
56 | call __tls_get_addr@plt |
57 | nop;nop;nop;nop | |
58 | ||
59 | /* GD against local variable */ | |
abcf1d52 | 60 | .byte 0x66 |
bffbf940 | 61 | leaq sl1@tlsgd(%rip), %rdi |
abcf1d52 JJ |
62 | .word 0x6666 |
63 | rex64 | |
bffbf940 JJ |
64 | call __tls_get_addr@plt |
65 | nop;nop;nop;nop | |
66 | ||
67 | /* GD -> IE against local variable referenced through IE too */ | |
abcf1d52 | 68 | .byte 0x66 |
bffbf940 | 69 | leaq sl2@tlsgd(%rip), %rdi |
abcf1d52 JJ |
70 | .word 0x6666 |
71 | rex64 | |
bffbf940 JJ |
72 | call __tls_get_addr@plt |
73 | nop;nop;nop;nop | |
74 | ||
75 | /* GD against hidden and local variable */ | |
abcf1d52 | 76 | .byte 0x66 |
bffbf940 | 77 | leaq sh1@tlsgd(%rip), %rdi |
abcf1d52 JJ |
78 | .word 0x6666 |
79 | rex64 | |
bffbf940 JJ |
80 | call __tls_get_addr@plt |
81 | nop;nop;nop;nop | |
82 | ||
83 | /* GD -> IE against hidden and local variable referenced through | |
84 | IE too */ | |
abcf1d52 | 85 | .byte 0x66 |
bffbf940 | 86 | leaq sh2@tlsgd(%rip), %rdi |
abcf1d52 JJ |
87 | .word 0x6666 |
88 | rex64 | |
bffbf940 JJ |
89 | call __tls_get_addr@plt |
90 | nop;nop;nop;nop | |
91 | ||
92 | /* GD against hidden but not local variable */ | |
abcf1d52 | 93 | .byte 0x66 |
bffbf940 | 94 | leaq sH1@tlsgd(%rip), %rdi |
abcf1d52 JJ |
95 | .word 0x6666 |
96 | rex64 | |
bffbf940 JJ |
97 | call __tls_get_addr@plt |
98 | nop;nop;nop;nop | |
99 | ||
100 | /* GD -> IE against hidden but not local variable referenced through | |
101 | IE too */ | |
abcf1d52 | 102 | .byte 0x66 |
bffbf940 | 103 | leaq sH2@tlsgd(%rip), %rdi |
abcf1d52 JJ |
104 | .word 0x6666 |
105 | rex64 | |
bffbf940 JJ |
106 | call __tls_get_addr@plt |
107 | nop;nop;nop;nop | |
108 | ||
109 | /* LD */ | |
110 | leaq sl1@tlsld(%rip), %rdi | |
111 | call __tls_get_addr@plt | |
112 | nop;nop | |
113 | leaq sl1@dtpoff(%rax), %rdx | |
114 | nop;nop | |
115 | leaq 2+sl2@dtpoff(%rax), %r9 | |
116 | nop;nop;nop;nop | |
117 | ||
118 | /* LD against hidden and local variables */ | |
119 | leaq sh1@tlsld(%rip), %rdi | |
120 | call __tls_get_addr@plt | |
121 | nop;nop | |
122 | leaq sh1@dtpoff(%rax), %rdx | |
123 | nop;nop | |
124 | leaq sh2@dtpoff+3(%rax), %rcx | |
125 | nop;nop;nop;nop | |
126 | ||
127 | /* LD against hidden but not local variables */ | |
128 | leaq sH1@tlsld(%rip), %rdi | |
129 | call __tls_get_addr@plt | |
130 | nop;nop | |
131 | leaq sH1@dtpoff(%rax), %r12 | |
132 | nop;nop | |
133 | leaq sH2@dtpoff+1(%rax), %rcx | |
134 | nop;nop | |
135 | ||
136 | /* IE against global var */ | |
137 | movq %fs:0, %rcx | |
138 | nop;nop | |
139 | addq sg2@gottpoff(%rip), %rcx | |
140 | nop;nop;nop;nop | |
141 | ||
142 | /* IE against local var */ | |
143 | movq %fs:0, %r14 | |
144 | nop;nop | |
145 | addq sl2@gottpoff(%rip), %r14 | |
146 | nop;nop;nop;nop | |
147 | ||
148 | /* IE against hidden and local var */ | |
149 | movq %fs:0, %rcx | |
150 | nop;nop | |
151 | addq sh2@gottpoff(%rip), %rcx | |
152 | nop;nop;nop;nop | |
153 | ||
154 | /* IE against hidden but not local var */ | |
155 | movq %fs:0, %rcx | |
156 | nop;nop | |
157 | addq sH2@gottpoff(%rip), %rcx | |
158 | nop;nop;nop;nop | |
159 | ||
160 | /* Direct access through %fs */ | |
161 | ||
162 | /* IE against global var */ | |
163 | movq sg5@gottpoff(%rip), %rcx | |
164 | nop;nop | |
165 | movq %fs:(%rcx), %rdx | |
166 | nop;nop;nop;nop | |
167 | ||
168 | /* IE against local var */ | |
169 | movq sl5@gottpoff(%rip), %r10 | |
170 | nop;nop | |
171 | movq %fs:(%r10), %r12 | |
172 | nop;nop;nop;nop | |
173 | ||
174 | /* IE against hidden and local var */ | |
175 | movq sh5@gottpoff(%rip), %rdx | |
176 | nop;nop | |
177 | movq %fs:(%rdx), %rdx | |
178 | nop;nop;nop;nop | |
179 | ||
180 | /* IE against hidden but not local var */ | |
181 | movq sH5@gottpoff(%rip), %rcx | |
182 | nop;nop | |
183 | movq %fs:(%rcx), %rdx | |
184 | nop;nop;nop;nop | |
185 | ||
186 | leave | |
187 | ret |