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
| # REQUIRES: x86
# RUN: llvm-mc -filetype=obj -relax-relocations -triple=x86_64-unknown-linux %s -o %t.o
# RUN: llvm-mc -filetype=obj -relax-relocations -triple=x86_64-pc-linux %S/Inputs/gotpc-relax-und-dso.s -o %tdso.o
# RUN: ld.lld -shared %tdso.o -soname=t.so -o %t.so
# RUN: ld.lld --hash-style=sysv -shared %t.o %t.so -o %t
# RUN: llvm-readobj -r -S %t | FileCheck --check-prefix=RELOC %s
# RUN: llvm-objdump -d %t | FileCheck --check-prefix=DISASM %s
# RELOC: Relocations [
# RELOC-NEXT: Section ({{.*}}) .rela.dyn {
# RELOC-NEXT: R_X86_64_GLOB_DAT dsofoo 0x0
# RELOC-NEXT: R_X86_64_GLOB_DAT foo 0x0
# RELOC-NEXT: R_X86_64_GLOB_DAT und 0x0
# RELOC-NEXT: }
# RELOC-NEXT: ]
# 0x101e + 7 - 36 = 0x1001
# 0x1025 + 7 - 43 = 0x1001
# DISASM: Disassembly of section .text:
# DISASM-EMPTY:
# DISASM-NEXT: foo:
# DISASM-NEXT: nop
# DISASM: hid:
# DISASM-NEXT: nop
# DISASM: _start:
# DISASM-NEXT: movq 4367(%rip), %rax
# DISASM-NEXT: movq 4360(%rip), %rax
# DISASM-NEXT: movq 4361(%rip), %rax
# DISASM-NEXT: movq 4354(%rip), %rax
# DISASM-NEXT: leaq -36(%rip), %rax
# DISASM-NEXT: leaq -43(%rip), %rax
# DISASM-NEXT: movq 4341(%rip), %rax
# DISASM-NEXT: movq 4334(%rip), %rax
# DISASM-NEXT: movq 4311(%rip), %rax
# DISASM-NEXT: movq 4304(%rip), %rax
# DISASM-NEXT: movq 4305(%rip), %rax
# DISASM-NEXT: movq 4298(%rip), %rax
# DISASM-NEXT: leaq -92(%rip), %rax
# DISASM-NEXT: leaq -99(%rip), %rax
# DISASM-NEXT: movq 4285(%rip), %rax
# DISASM-NEXT: movq 4278(%rip), %rax
.text
.globl foo
.type foo, @function
foo:
nop
.globl hid
.hidden hid
.type hid, @function
hid:
nop
.globl _start
.type _start, @function
_start:
movq und@GOTPCREL(%rip), %rax
movq und@GOTPCREL(%rip), %rax
movq dsofoo@GOTPCREL(%rip), %rax
movq dsofoo@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
movq und@GOTPCREL(%rip), %rax
movq und@GOTPCREL(%rip), %rax
movq dsofoo@GOTPCREL(%rip), %rax
movq dsofoo@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
|