llvm-project/lld/test/ELF/tls-got.s

60 lines
1.8 KiB
ArmAsm

// 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/tls-got.s -o %t2.o
// RUN: ld.lld -shared %t2.o -o %t2.so
// RUN: ld.lld --hash-style=sysv -e main %t1.o %t2.so -o %t3
// RUN: llvm-readobj -s -r %t3 | FileCheck %s
// RUN: llvm-objdump -d %t3 | FileCheck --check-prefix=DISASM %s
// CHECK: Section {
// CHECK: Index: 8
// CHECK-NEXT: Name: .got
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_WRITE
// CHECK-NEXT: ]
// CHECK-NEXT: Address: [[ADDR:.*]]
// CHECK-NEXT: Offset: 0x20B0
// CHECK-NEXT: Size: 16
// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 8
// CHECK-NEXT: EntrySize: 0
// CHECK-NEXT: }
// CHECK: Relocations [
// CHECK-NEXT: Section (4) .rela.dyn {
// CHECK-NEXT: 0x2020B8 R_X86_64_TPOFF64 tls0 0x0
// CHECK-NEXT: 0x2020B0 R_X86_64_TPOFF64 tls1 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
//0x201000 + 4265 + 7 = 0x2020B0
//0x20100A + 4263 + 7 = 0x2020B8
//0x201014 + 4253 + 7 = 0x2020B8
//DISASM: Disassembly of section .text:
//DISASM-NEXT: main:
//DISASM-NEXT: 201000: 48 8b 05 a9 10 00 00 movq 4265(%rip), %rax
//DISASM-NEXT: 201007: 64 8b 00 movl %fs:(%rax), %eax
//DISASM-NEXT: 20100a: 48 8b 05 a7 10 00 00 movq 4263(%rip), %rax
//DISASM-NEXT: 201011: 64 8b 00 movl %fs:(%rax), %eax
//DISASM-NEXT: 201014: 48 8b 05 9d 10 00 00 movq 4253(%rip), %rax
//DISASM-NEXT: 20101b: 64 8b 00 movl %fs:(%rax), %eax
//DISASM-NEXT: 20101e: c3 retq
.section .tdata,"awT",@progbits
.text
.globl main
.align 16, 0x90
.type main,@function
main:
movq tls1@GOTTPOFF(%rip), %rax
movl %fs:0(%rax), %eax
movq tls0@GOTTPOFF(%rip), %rax
movl %fs:0(%rax), %eax
movq tls0@GOTTPOFF(%rip), %rax
movl %fs:0(%rax), %eax
ret