xref: /llvm-project/lld/test/ELF/systemz-tls-gd.s (revision d1f4f6368064d8d7bf09fbd5be8d74846d532c30)
1# REQUIRES: systemz
2# RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
3# RUN: echo '.tbss; .globl b, c; b: .zero 4; c:' | llvm-mc -filetype=obj -triple=s390x-unknown-linux - -o %t1.o
4# RUN: ld.lld -shared -soname=t1.so %t1.o -o %t1.so
5
6# RUN: ld.lld -shared %t.o %t1.o -o %t.so
7# RUN: llvm-readelf -r %t.so | FileCheck --check-prefix=GD-REL %s
8# RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s
9# RUN: llvm-objdump --section .data.rel.ro --full-contents %t.so | FileCheck --check-prefix=GD-DATA %s
10
11# RUN: ld.lld %t.o %t1.o -o %t.le
12# RUN: llvm-readelf -r %t.le | FileCheck --check-prefix=NOREL %s
13# RUN: llvm-objdump -d --no-show-raw-insn %t.le | FileCheck --check-prefix=LE %s
14# RUN: llvm-objdump --section .data.rel.ro --full-contents %t.le | FileCheck --check-prefix=LE-DATA %s
15
16# RUN: ld.lld %t.o %t1.so -o %t.ie
17# RUN: llvm-readelf -r %t.ie | FileCheck --check-prefix=IE-REL %s
18# RUN: llvm-objdump -d --no-show-raw-insn %t.ie | FileCheck --check-prefix=IE %s
19# RUN: llvm-objdump --section .data.rel.ro --full-contents %t.ie | FileCheck --check-prefix=IE-DATA %s
20
21# GD-REL: Relocation section '.rela.dyn' at offset {{.*}} contains 6 entries:
22# GD-REL:      0000000000002570 0000000200000036 R_390_TLS_DTPMOD 0000000000000008 a + 0
23# GD-REL-NEXT: 0000000000002578 0000000200000037 R_390_TLS_DTPOFF 0000000000000008 a + 0
24# GD-REL-NEXT: 0000000000002580 0000000300000036 R_390_TLS_DTPMOD 000000000000000c b + 0
25# GD-REL-NEXT: 0000000000002588 0000000300000037 R_390_TLS_DTPOFF 000000000000000c b + 0
26# GD-REL-NEXT: 0000000000002590 0000000400000036 R_390_TLS_DTPMOD 0000000000000010 c + 0
27# GD-REL-NEXT: 0000000000002598 0000000400000037 R_390_TLS_DTPOFF 0000000000000010 c + 0
28
29## _GLOBAL_OFFSET_TABLE is at 0x2558
30# GD:      larl    %r12, 0x2558
31
32## GOT offset of the TLS module ID / offset pair for a is at 0x2460
33# GD-NEXT: lgrl    %r2, 0x2460
34# GD-NEXT: brasl   %r14, 0x1440
35# GD-NEXT: lgf     %r2, 0(%r2,%r7)
36
37## GOT offset of the TLS module ID / offset pair for b is at 0x2468
38# GD-NEXT: lgrl    %r2, 0x2468
39# GD-NEXT: brasl   %r14, 0x1440
40# GD-NEXT: lgf     %r2, 0(%r2,%r7)
41
42## GOT offset of the TLS module ID / offset pair for c is at 0x2470
43# GD-NEXT: lgrl    %r2, 0x2470
44# GD-NEXT: brasl   %r14, 0x1440
45# GD-NEXT: lgf     %r2, 0(%r2,%r7)
46
47## Constant pool holding GOT offsets of TLS module ID / offset pairs:
48# a: 0x2570 / 0x18
49# b: 0x2580 / 0x28
50# c: 0x2590 / 0x38
51# GD-DATA:      2460 00000000 00000018 00000000 00000028
52# GD-DATA-NEXT: 2470 00000000 00000038
53
54# NOREL: no relocations
55
56## _GLOBAL_OFFSET_TABLE is at 0x1002230
57# LE:      larl    %r12, 0x1002230
58
59## TP offset of a is at 0x1002218
60# LE-NEXT: lgrl    %r2, 0x1002218
61# LE-NEXT: jgnop
62# LE-NEXT: lgf     %r2, 0(%r2,%r7)
63
64## TP offset of b is at 0x1002220
65# LE-NEXT: lgrl    %r2, 0x1002220
66# LE-NEXT: jgnop
67# LE-NEXT: lgf     %r2, 0(%r2,%r7)
68
69## TP offset of c is at 0x1002228
70# LE-NEXT: lgrl    %r2, 0x1002228
71# LE-NEXT: jgnop
72# LE-NEXT: lgf     %r2, 0(%r2,%r7)
73
74## TP offsets
75# a: -8
76# b: -4
77# c: 0
78# LE-DATA:      1002218 ffffffff fffffff8 ffffffff fffffffc
79# LE-DATA-NEXT: 1002228 00000000 00000000
80
81
82# IE-REL: Relocation section '.rela.dyn' at offset {{.*}} contains 2 entries:
83# IE-REL:      0000000001002430 0000000200000038 R_390_TLS_TPOFF 0000000000000000 b + 0
84# IE-REL-NEXT: 0000000001002438 0000000300000038 R_390_TLS_TPOFF 0000000000000000 c + 0
85
86## _GLOBAL_OFFSET_TABLE is at 0x1002418
87# IE:      larl    %r12, 0x1002418
88
89## TP offset of a is at 0x1002340
90# IE-NEXT: lgrl    %r2, 0x1002340
91# IE-NEXT: jgnop
92# IE-NEXT: lgf     %r2, 0(%r2,%r7)
93
94## GOT offset of the TP offset for b is at 0x1002348
95# IE-NEXT: lgrl    %r2, 0x1002348
96# IE-NEXT: lg      %r2, 0(%r2,%r12)
97# IE-NEXT: lgf     %r2, 0(%r2,%r7)
98
99## GOT offset of the TP offset for c is at 0x1002350
100# IE-NEXT: lgrl    %r2, 0x1002350
101# IE-NEXT: lg      %r2, 0(%r2,%r12)
102# IE-NEXT: lgf     %r2, 0(%r2,%r7)
103
104## TP offsets (a) / GOT offset of TP offsets (b, c)
105# a: -4
106# b: 0x1002430 / 0x18
107# c: 0x1002438 / 0x20
108# IE-DATA:      1002340 ffffffff fffffffc 00000000 00000018
109# IE-DATA-NEXT: 1002350 00000000 00000020
110
111
112ear     %r7,%a0
113sllg    %r7,%r1,32
114ear     %r7,%a1
115larl    %r12,_GLOBAL_OFFSET_TABLE_
116
117lgrl    %r2,.LC0
118brasl   %r14,__tls_get_offset@PLT:tls_gdcall:a
119lgf     %r2,0(%r2,%r7)
120
121lgrl    %r2,.LC1
122brasl   %r14,__tls_get_offset@PLT:tls_gdcall:b
123lgf     %r2,0(%r2,%r7)
124
125lgrl    %r2,.LC2
126brasl   %r14,__tls_get_offset@PLT:tls_gdcall:c
127lgf     %r2,0(%r2,%r7)
128
129        .section        .data.rel.ro,"aw"
130        .align  8
131.LC0:
132        .quad   a@TLSGD
133.LC1:
134        .quad   b@TLSGD
135.LC2:
136        .quad   c@TLSGD
137
138	.section .tbss
139	.globl a
140	.zero 8
141a:
142	.zero 4
143