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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/relocatable.s -o %t2.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/relocatable2.s -o %t3.o
# RUN: ld.lld -r %t1.o %t2.o %t3.o -o %t
# RUN: llvm-readobj -file-headers -sections -program-headers -symbols -r %t | FileCheck %s
# RUN: llvm-objdump -s -d %t | FileCheck -check-prefix=CHECKTEXT %s
## Test --relocatable alias
# RUN: ld.lld --relocatable %t1.o %t2.o %t3.o -o %t
# RUN: llvm-readobj -file-headers -sections -program-headers -symbols -r %t | FileCheck %s
# RUN: llvm-objdump -s -d %t | FileCheck -check-prefix=CHECKTEXT %s
## Verify that we can use our relocation output as input to produce executable
# RUN: ld.lld -e main %t -o %texec
# RUN: llvm-readobj -file-headers %texec | FileCheck -check-prefix=CHECKEXE %s
# CHECK: ElfHeader {
# CHECK-NEXT: Ident {
# CHECK-NEXT: Magic: (7F 45 4C 46)
# CHECK-NEXT: Class: 64-bit
# CHECK-NEXT: DataEncoding: LittleEndian
# CHECK-NEXT: FileVersion: 1
# CHECK-NEXT: OS/ABI: SystemV
# CHECK-NEXT: ABIVersion: 0
# CHECK-NEXT: Unused: (00 00 00 00 00 00 00)
# CHECK-NEXT: }
# CHECK-NEXT: Type: Relocatable
# CHECK-NEXT: Machine: EM_X86_64
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Entry: 0x0
# CHECK-NEXT: ProgramHeaderOffset: 0x0
# CHECK-NEXT: SectionHeaderOffset:
# CHECK-NEXT: Flags [
# CHECK-NEXT: ]
# CHECK-NEXT: HeaderSize: 64
# CHECK-NEXT: ProgramHeaderEntrySize: 0
# CHECK-NEXT: ProgramHeaderCount: 0
# CHECK-NEXT: SectionHeaderEntrySize: 64
# CHECK-NEXT: SectionHeaderCount: 7
# CHECK-NEXT: StringTableSectionIndex: 5
# CHECK-NEXT: }
# CHECK: Relocations [
# CHECK-NEXT: Section ({{.*}}) .rela.text {
# CHECK-NEXT: 0x3 R_X86_64_32S x 0x0
# CHECK-NEXT: 0xE R_X86_64_32S y 0x0
# CHECK-NEXT: 0x23 R_X86_64_32S xx 0x0
# CHECK-NEXT: 0x2E R_X86_64_32S yy 0x0
# CHECK-NEXT: 0x43 R_X86_64_32S xxx 0x0
# CHECK-NEXT: 0x4E R_X86_64_32S yyy 0x0
# CHECK-NEXT: }
# CHECKTEXT: Disassembly of section .text:
# CHECKTEXT-NEXT: main:
# CHECKTEXT-NEXT: 0: c7 04 25 00 00 00 00 05 00 00 00 movl $5, 0
# CHECKTEXT-NEXT: b: c7 04 25 00 00 00 00 07 00 00 00 movl $7, 0
# CHECKTEXT: foo:
# CHECKTEXT-NEXT: 20: c7 04 25 00 00 00 00 01 00 00 00 movl $1, 0
# CHECKTEXT-NEXT: 2b: c7 04 25 00 00 00 00 02 00 00 00 movl $2, 0
# CHECKTEXT: bar:
# CHECKTEXT-NEXT: 40: c7 04 25 00 00 00 00 08 00 00 00 movl $8, 0
# CHECKTEXT-NEXT: 4b: c7 04 25 00 00 00 00 09 00 00 00 movl $9, 0
# CHECKEXE: Format: ELF64-x86-64
# CHECKEXE-NEXT: Arch: x86_64
# CHECKEXE-NEXT: AddressSize: 64bit
# CHECKEXE-NEXT: LoadName:
# CHECKEXE-NEXT: ElfHeader {
# CHECKEXE-NEXT: Ident {
# CHECKEXE-NEXT: Magic: (7F 45 4C 46)
# CHECKEXE-NEXT: Class: 64-bit
# CHECKEXE-NEXT: DataEncoding: LittleEndian
# CHECKEXE-NEXT: FileVersion: 1
# CHECKEXE-NEXT: OS/ABI: SystemV (0x0)
# CHECKEXE-NEXT: ABIVersion: 0
# CHECKEXE-NEXT: Unused: (00 00 00 00 00 00 00)
# CHECKEXE-NEXT: }
# CHECKEXE-NEXT: Type: Executable
# CHECKEXE-NEXT: Machine: EM_X86_64
# CHECKEXE-NEXT: Version: 1
# CHECKEXE-NEXT: Entry: 0x201000
# CHECKEXE-NEXT: ProgramHeaderOffset: 0x40
# CHECKEXE-NEXT: SectionHeaderOffset: 0x11F8
# CHECKEXE-NEXT: Flags [
# CHECKEXE-NEXT: ]
# CHECKEXE-NEXT: HeaderSize: 64
# CHECKEXE-NEXT: ProgramHeaderEntrySize: 56
# CHECKEXE-NEXT: ProgramHeaderCount: 5
# CHECKEXE-NEXT: SectionHeaderEntrySize: 64
# CHECKEXE-NEXT: SectionHeaderCount: 7
# CHECKEXE-NEXT: StringTableSectionIndex: 5
# CHECKEXE-NEXT: }
.text
.type x,@object
.bss
.globl x
.align 4
x:
.long 0
.size x, 4
.type y,@object
.globl y
.align 4
y:
.long 0
.size y, 4
.text
.globl main
.align 16, 0x90
.type main,@function
main:
movl $5, x
movl $7, y
blah:
goo:
abs = 42
|
