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
| # REQUIRES: mips
# Check that the linker use a value of _gp symbol defined
# in a linker script to calculate GOT relocations.
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t.o
# RUN: echo "SECTIONS { \
# RUN: .text : { *(.text) } \
# RUN: _gp = ABSOLUTE(.) + 0x100; \
# RUN: .got : { *(.got) } }" > %t.rel.script
# RUN: ld.lld -shared -o %t.rel.so --script %t.rel.script %t.o
# RUN: llvm-objdump -s -t %t.rel.so | FileCheck --check-prefix=REL %s
# RUN: echo "SECTIONS { \
# RUN: .text : { *(.text) } \
# RUN: _gp = 0x100 + ABSOLUTE(.); \
# RUN: .got : { *(.got) } }" > %t.rel.script
# RUN: ld.lld -shared -o %t.rel.so --script %t.rel.script %t.o
# RUN: llvm-objdump -s -t %t.rel.so | FileCheck --check-prefix=REL %s
# RUN: echo "SECTIONS { \
# RUN: .text : { *(.text) } \
# RUN: _gp = 0x200; \
# RUN: .got : { *(.got) } }" > %t.abs.script
# RUN: ld.lld -shared -o %t.abs.so --script %t.abs.script %t.o
# RUN: llvm-objdump -s -t %t.abs.so | FileCheck --check-prefix=ABS %s
# REL: 000000e0 .text 00000000 foo
# REL: 00000000 *ABS* 00000000 .hidden _gp_disp
# REL: 000001ec *ABS* 00000000 .hidden _gp
# REL: Contents of section .reginfo:
# REL-NEXT: 0018 10000104 00000000 00000000 00000000
# REL-NEXT: 0028 00000000 000001ec
# ^-- _gp
# REL: Contents of section .text:
# REL-NEXT: 00e0 3c080000 2108010c 8f82ff1c
# ^-- %hi(_gp_disp)
# ^-- %lo(_gp_disp)
# ^-- 8 - (0x1ec - 0x100)
# G - (GP - .got)
# REL: Contents of section .data:
# REL-NEXT: 00f0 fffffef4
# ^-- 0x30-0x1ec
# foo - GP
# ABS: 000000e0 .text 00000000 foo
# ABS: 00000000 *ABS* 00000000 .hidden _gp_disp
# ABS: 00000200 *ABS* 00000000 .hidden _gp
# ABS: Contents of section .reginfo:
# ABS-NEXT: 0018 10000104 00000000 00000000 00000000
# ABS-NEXT: 0028 00000000 00000200
# ^-- _gp
# ABS: Contents of section .text:
# ABS-NEXT: 00e0 3c080000 21080120 8f82ff08
# ^-- %hi(_gp_disp)
# ^-- %lo(_gp_disp)
# ^-- 8 - (0x200 - 0x100)
# G - (GP - .got)
# ABS: Contents of section .data:
# ABS-NEXT: 00f0 fffffee0
# ^-- 0xe0-0x200
# foo - GP
.text
foo:
lui $t0, %hi(_gp_disp)
addi $t0, $t0, %lo(_gp_disp)
lw $v0, %call16(bar)($gp)
.data
.gpword foo
|