xref: /llvm-project/lld/test/ELF/x86-64-tls-ie.s (revision 75cdab6dc2453a508157a9c383b93373a93078d6)
1// REQUIRES: x86
2// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
3// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/tls-got.s -o %t2.o
4// RUN: ld.lld -shared %t2.o -soname=so -o %t2.so
5// RUN: ld.lld -e main %t1.o %t2.so -o %t3
6// RUN: llvm-readobj -S -r %t3 | FileCheck %s
7// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t3 | FileCheck --check-prefix=DISASM %s
8
9// CHECK:      Section {
10// CHECK:      Index: 9
11// CHECK-NEXT: Name: .got
12// CHECK-NEXT: Type: SHT_PROGBITS
13// CHECK-NEXT: Flags [
14// CHECK-NEXT:   SHF_ALLOC
15// CHECK-NEXT:   SHF_WRITE
16// CHECK-NEXT: ]
17// CHECK-NEXT: Address: [[ADDR:.*]]
18// CHECK-NEXT: Offset: 0x3F0
19// CHECK-NEXT: Size: 16
20// CHECK-NEXT: Link: 0
21// CHECK-NEXT: Info: 0
22// CHECK-NEXT: AddressAlignment: 8
23// CHECK-NEXT: EntrySize: 0
24// CHECK-NEXT: }
25
26// CHECK:      Relocations [
27// CHECK-NEXT:   Section (5) .rela.dyn {
28// CHECK-NEXT:     [[ADDR]] R_X86_64_TPOFF64 tls1 0x0
29// CHECK-NEXT:     0x2023F8 R_X86_64_TPOFF64 tls0 0x0
30// CHECK-NEXT:   }
31// CHECK-NEXT: ]
32
33/// 0x2023F0 - 0x201307 = 4329
34/// 0x2023F8 - 0x201311 = 4327
35/// 0x2023F8 - 0x20131b = 4317
36// DISASM:      Disassembly of section .text:
37// DISASM-EMPTY:
38// DISASM-NEXT: <main>:
39// DISASM-NEXT:         movq 4329(%rip), %rax
40// DISASM-NEXT: 201307: movl %fs:(%rax), %eax
41// DISASM-NEXT:         movq 4327(%rip), %rax
42// DISASM-NEXT: 201311: movl %fs:(%rax), %eax
43// DISASM-NEXT:         movq 4317(%rip), %rax
44// DISASM-NEXT: 20131b: movl %fs:(%rax), %eax
45
46/// 0x2023F0 - 0x20132e = 4290
47// DISASM-NEXT:         movq %fs:0, %rax
48// DISASM-NEXT:         addq 4290(%rip), %rax
49// DISASM-NEXT: 20132e: retq
50
51.section .tdata,"awT",@progbits
52
53.text
54 .globl main
55 .align 16, 0x90
56 .type main,@function
57main:
58 movq tls1@GOTTPOFF(%rip), %rax
59 movl %fs:0(%rax), %eax
60 movq tls0@GOTTPOFF(%rip), %rax
61 movl %fs:0(%rax), %eax
62 movq tls0@GOTTPOFF(%rip), %rax
63 movl %fs:0(%rax), %eax
64
65## Relaxed to TLS IE. Share the GOT entry with GOTTPOFF.
66 .byte   0x66
67 leaq    tls1@tlsgd(%rip), %rdi
68 .value  0x6666
69 rex64
70 call    __tls_get_addr@PLT
71 ret
72