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
| // REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %p/Inputs/tls-opt-iele-i686-nopic.s -o %tso.o
// RUN: ld.lld -shared %tso.o -soname=t.so -o %tso
// RUN: ld.lld --hash-style=sysv %t.o %tso -o %t1
// RUN: llvm-readobj -S -r %t1 | FileCheck --check-prefix=GOTREL %s
// RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t1 | FileCheck --check-prefix=DISASM %s
// GOTREL: Section {
// GOTREL: Index:
// GOTREL: Name: .got
// GOTREL-NEXT: Type: SHT_PROGBITS
// GOTREL-NEXT: Flags [
// GOTREL-NEXT: SHF_ALLOC
// GOTREL-NEXT: SHF_WRITE
// GOTREL-NEXT: ]
// GOTREL-NEXT: Address: 0x402258
// GOTREL-NEXT: Offset: 0x258
// GOTREL-NEXT: Size: 8
// GOTREL-NEXT: Link: 0
// GOTREL-NEXT: Info: 0
// GOTREL-NEXT: AddressAlignment: 4
// GOTREL-NEXT: EntrySize: 0
// GOTREL-NEXT: }
// GOTREL: Relocations [
// GOTREL-NEXT: Section ({{.*}}) .rel.dyn {
// GOTREL-NEXT: 0x402258 R_386_TLS_TPOFF tlsshared0 0x0
// GOTREL-NEXT: 0x40225C R_386_TLS_TPOFF tlsshared1 0x0
// GOTREL-NEXT: }
// GOTREL-NEXT: ]
// DISASM: Disassembly of section .text:
// DISASM-EMPTY:
// DISASM-NEXT: _start:
// DISASM-NEXT: 4011b0: movl $0xfffffff8, %ecx
// DISASM-NEXT: movl %gs:(%ecx), %eax
// DISASM-NEXT: movl $0xfffffff8, %eax
// DISASM-NEXT: movl %gs:(%eax), %eax
// DISASM-NEXT: addl $0xfffffff8, %ecx
// DISASM-NEXT: movl %gs:(%ecx), %eax
// DISASM-NEXT: movl $0xfffffffc, %ecx
// DISASM-NEXT: movl %gs:(%ecx), %eax
// DISASM-NEXT: movl $0xfffffffc, %eax
// DISASM-NEXT: movl %gs:(%eax), %eax
// DISASM-NEXT: addl $0xfffffffc, %ecx
// DISASM-NEXT: movl %gs:(%ecx), %eax
/// &.got[0]
// DISASM-NEXT: movl 0x402258, %ecx
// DISASM-NEXT: movl %gs:(%ecx), %eax
/// &.got[1]
// DISASM-NEXT: addl 0x40225c, %ecx
// DISASM-NEXT: movl %gs:(%ecx), %eax
.type tlslocal0,@object
.section .tbss,"awT",@nobits
.globl tlslocal0
.align 4
tlslocal0:
.long 0
.size tlslocal0, 4
.type tlslocal1,@object
.section .tbss,"awT",@nobits
.globl tlslocal1
.align 4
tlslocal1:
.long 0
.size tlslocal1, 4
.section .text
.globl ___tls_get_addr
.type ___tls_get_addr,@function
___tls_get_addr:
.section .text
.globl _start
_start:
movl tlslocal0@indntpoff,%ecx
movl %gs:(%ecx),%eax
movl tlslocal0@indntpoff,%eax
movl %gs:(%eax),%eax
addl tlslocal0@indntpoff,%ecx
movl %gs:(%ecx),%eax
movl tlslocal1@indntpoff,%ecx
movl %gs:(%ecx),%eax
movl tlslocal1@indntpoff,%eax
movl %gs:(%eax),%eax
addl tlslocal1@indntpoff,%ecx
movl %gs:(%ecx),%eax
movl tlsshared0@indntpoff,%ecx
movl %gs:(%ecx),%eax
addl tlsshared1@indntpoff,%ecx
movl %gs:(%ecx),%eax
|