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
|
# REQUIRES: ppc
# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-tls.s -o %t2.o
# RUN: ld.lld -shared %t2.o -o %t3.so
# RUN: ld.lld %t.o %t3.so -o %t
# RUN: llvm-objdump --section-headers %t | FileCheck --check-prefix=CheckGot %s
# RUN: llvm-objdump -d %t | FileCheck --check-prefix=Dis %s
# RUN: llvm-readelf -r %t | FileCheck --check-prefix=OutputRelocs %s
# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-tls.s -o %t2.o
# RUN: ld.lld -shared %t2.o -o %t3.so
# RUN: ld.lld %t.o %t3.so -o %t
# RUN: llvm-objdump --section-headers %t | FileCheck --check-prefix=CheckGot %s
# RUN: llvm-objdump -d %t | FileCheck --check-prefix=Dis %s
# RUN: llvm-readelf -r %t | FileCheck --check-prefix=OutputRelocs %s
.text
.abiversion 2
.globl _start
.p2align 4
.type _start,@function
_start:
.Lfunc_gep0:
addis 2, 12, .TOC.-.Lfunc_gep0@ha
addi 2, 2, .TOC.-.Lfunc_gep0@l
.Lfunc_lep0:
.localentry _start, .Lfunc_lep0-.Lfunc_gep0
mflr 0
std 0, 16(1)
stdu 1, -32(1)
addis 3, 2, a@got@tlsgd@ha
addi 3, 3, a@got@tlsgd@l
bl __tls_get_addr(a@tlsgd)
nop
lwa 3, 0(3)
addi 1, 1, 32
ld 0, 16(1)
mtlr 0
blr
.globl other_reg
.p2align 4
.type other_reg,@function
other_reg:
.Lfunc_gep1:
addis 2, 12, .TOC.-.Lfunc_gep1@ha
addi 2, 2, .TOC.-.Lfunc_gep1@l
.Lfunc_lep1:
.localentry other_reg, .Lfunc_lep1-.Lfunc_gep1
mflr 0
std 0, 16(1)
stdu 1, -32(1)
addis 5, 2, a@got@tlsgd@ha
addi 3, 5, a@got@tlsgd@l
bl __tls_get_addr(a@tlsgd)
nop
lwa 4, 0(3)
addis 30, 2, b@got@tlsgd@ha
addi 3, 30, b@got@tlsgd@l
bl __tls_get_addr(b@tlsgd)
nop
lwa 3, 0(3)
add 3, 4, 3
addi 1, 1, 32
ld 0, 16(1)
mtlr 0
blr
.globl __tls_get_addr
.type __tls_get_addr,@function
__tls_get_addr:
# CheckGot: .got 00000018 00000000100200c0 DATA
# .got is at 0x100200c0 so the toc-base is 100280c0.
# `a` is at .got[1], we expect the offsets to be:
# Ha(a) = ((0x100200c8 - 0x100280c0) + 0x8000) >> 16 = 0
# Lo(a) = (0x100200c8 - 0x100280c0) = -32760
# Dis-LABEL: _start
# Dis: addis 3, 2, 0
# Dis-NEXT: ld 3, -32760(3)
# Dis-NEXT: nop
# Dis-NEXT: add 3, 3, 13
# Dis-LABEL: other_reg
# Dis: addis 5, 2, 0
# Dis-NEXT: ld 3, -32760(5)
# Dis-NEXT: nop
# Dis-NEXT: add 3, 3, 13
# Dis: addis 30, 2, 0
# Dis: ld 3, -32752(30)
# Dis-NEXT: nop
# Dis-NEXT: add 3, 3, 13
# Verify that the only dynamic relocations we emit are TPREL ones rather then
# the DTPMOD64/DTPREL64 pair for general-dynamic.
# OutputRelocs: Relocation section '.rela.dyn' at offset 0x{{[0-9a-f]+}} contains 2 entries:
# OutputRelocs-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
# OutputRelocs-NEXT: {{[0-9a-f]+}} {{[0-9a-f]+}} R_PPC64_TPREL64 {{[0-9a-f]+}} a + 0
# OutputRelocs-NEXT: {{[0-9a-f]+}} {{[0-9a-f]+}} R_PPC64_TPREL64 {{[0-9a-f]+}} b + 0
|
