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
|
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -relax-relocations -triple=x86_64-unknown-linux %s -o %t.o
# RUN: ld.lld %t.o -o %t1
# RUN: llvm-readobj -r %t1 | FileCheck --check-prefix=RELOC %s
# RUN: llvm-objdump -d %t1 | FileCheck --check-prefix=DISASM %s
## There is no relocations.
# RELOC: Relocations [
# RELOC: ]
# 0x201173 + 7 - 10 = 0x201170
# 0x20117a + 7 - 17 = 0x201170
# 0x201181 + 7 - 23 = 0x201171
# 0x201188 + 7 - 30 = 0x201171
# DISASM: Disassembly of section .text:
# DISASM-EMPTY:
# DISASM-NEXT: <foo>:
# DISASM-NEXT: 201170: 90 nop
# DISASM: <hid>:
# DISASM-NEXT: 201171: 90 nop
# DISASM: <ifunc>:
# DISASM-NEXT: 201172: c3 retq
# DISASM: <_start>:
# DISASM-NEXT: leaq -10(%rip), %rax
# DISASM-NEXT: leaq -17(%rip), %rax
# DISASM-NEXT: leaq -23(%rip), %rax
# DISASM-NEXT: leaq -30(%rip), %rax
# DISASM-NEXT: movq 4234(%rip), %rax
# DISASM-NEXT: movq 4227(%rip), %rax
# DISASM-NEXT: leaq -52(%rip), %rax
# DISASM-NEXT: leaq -59(%rip), %rax
# DISASM-NEXT: leaq -65(%rip), %rax
# DISASM-NEXT: leaq -72(%rip), %rax
# DISASM-NEXT: movq 4192(%rip), %rax
# DISASM-NEXT: movq 4185(%rip), %rax
# DISASM-NEXT: callq 0x201170 <foo>
# DISASM-NEXT: callq 0x201170 <foo>
# DISASM-NEXT: callq 0x201171 <hid>
# DISASM-NEXT: callq 0x201171 <hid>
# DISASM-NEXT: callq *4155(%rip)
# DISASM-NEXT: callq *4149(%rip)
# DISASM-NEXT: jmp 0x201170 <foo>
# DISASM-NEXT: nop
# DISASM-NEXT: jmp 0x201170 <foo>
# DISASM-NEXT: nop
# DISASM-NEXT: jmp 0x201171 <hid>
# DISASM-NEXT: nop
# DISASM-NEXT: jmp 0x201171 <hid>
# DISASM-NEXT: nop
# DISASM-NEXT: jmpq *4119(%rip)
# DISASM-NEXT: jmpq *4113(%rip)
.text
.globl foo
.type foo, @function
foo:
nop
.globl hid
.hidden hid
.type hid, @function
hid:
nop
.text
.type ifunc STT_GNU_IFUNC
.globl ifunc
.type ifunc, @function
ifunc:
ret
.globl _start
.type _start, @function
_start:
movq foo@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq ifunc@GOTPCREL(%rip), %rax
movq ifunc@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
movq foo@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq hid@GOTPCREL(%rip), %rax
movq ifunc@GOTPCREL(%rip), %rax
movq ifunc@GOTPCREL(%rip), %rax
call *foo@GOTPCREL(%rip)
call *foo@GOTPCREL(%rip)
call *hid@GOTPCREL(%rip)
call *hid@GOTPCREL(%rip)
call *ifunc@GOTPCREL(%rip)
call *ifunc@GOTPCREL(%rip)
jmp *foo@GOTPCREL(%rip)
jmp *foo@GOTPCREL(%rip)
jmp *hid@GOTPCREL(%rip)
jmp *hid@GOTPCREL(%rip)
jmp *ifunc@GOTPCREL(%rip)
jmp *ifunc@GOTPCREL(%rip)
|
