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
|
// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
// RUN: ld.lld %t.o -o %t1
// RUN: llvm-readobj -r %t1 | FileCheck --check-prefix=NORELOC %s
// RUN: llvm-objdump -d %t1 | FileCheck --check-prefix=DISASM %s
// NORELOC: Relocations [
// NORELOC-NEXT: ]
// DISASM: Disassembly of section .text:
// DISASM-EMPTY:
// DISASM-NEXT: <_start>:
// LD -> LE:
// DISASM-NEXT: 4010f4: 65 a1 00 00 00 00 movl %gs:0, %eax
// DISASM-NEXT: 4010fa: 90 nop
// DISASM-NEXT: 4010fb: 8d 74 26 00 leal (%esi,%eiz), %esi
// DISASM-NEXT: 4010ff: 8d 90 f8 ff ff ff leal -8(%eax), %edx
// DISASM-NEXT: 401105: 65 a1 00 00 00 00 movl %gs:0, %eax
// DISASM-NEXT: 40110b: 90 nop
// DISASM-NEXT: 40110c: 8d 74 26 00 leal (%esi,%eiz), %esi
// DISASM-NEXT: 401110: 8d 90 fc ff ff ff leal -4(%eax), %edx
// IE -> LE:
// 4294967288 == 0xFFFFFFF8
// 4294967292 == 0xFFFFFFFC
// DISASM-NEXT: 401116: 65 a1 00 00 00 00 movl %gs:0, %eax
// DISASM-NEXT: 40111c: c7 c0 f8 ff ff ff movl $4294967288, %eax
// DISASM-NEXT: 401122: 65 a1 00 00 00 00 movl %gs:0, %eax
// DISASM-NEXT: 401128: c7 c0 fc ff ff ff movl $4294967292, %eax
// DISASM-NEXT: 40112e: 65 a1 00 00 00 00 movl %gs:0, %eax
// DISASM-NEXT: 401134: 8d 80 f8 ff ff ff leal -8(%eax), %eax
// DISASM-NEXT: 40113a: 65 a1 00 00 00 00 movl %gs:0, %eax
// DISASM-NEXT: 401140: 8d 80 fc ff ff ff leal -4(%eax), %eax
.type tls0,@object
.section .tbss,"awT",@nobits
.globl tls0
.align 4
tls0:
.long 0
.size tls0, 4
.type tls1,@object
.globl tls1
.align 4
tls1:
.long 0
.size tls1, 4
.section .text
.globl ___tls_get_addr
.type ___tls_get_addr,@function
___tls_get_addr:
.section .text
.globl _start
_start:
//LD -> LE:
leal tls0@tlsldm(%ebx),%eax
call ___tls_get_addr@plt
leal tls0@dtpoff(%eax),%edx
leal tls1@tlsldm(%ebx),%eax
call ___tls_get_addr@plt
leal tls1@dtpoff(%eax),%edx
//IE -> LE:
movl %gs:0,%eax
movl tls0@gotntpoff(%ebx),%eax
movl %gs:0,%eax
movl tls1@gotntpoff(%ebx),%eax
movl %gs:0,%eax
addl tls0@gotntpoff(%ebx),%eax
movl %gs:0,%eax
addl tls1@gotntpoff(%ebx),%eax
|
