llvm-project/lld/test/ELF/x86-64-tls-ie.s

72 lines
2.0 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 -soname=so -o %t2.so
// RUN: ld.lld -e main %t1.o %t2.so -o %t3
// RUN: llvm-readobj -S -r %t3 | FileCheck %s
// RUN: llvm-objdump -d --no-show-raw-insn %t3 | FileCheck --check-prefix=DISASM %s
// CHECK: Section {
// CHECK: Index: 9
// 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: 0x3F0
// 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 (5) .rela.dyn {
// CHECK-NEXT: [[ADDR]] R_X86_64_TPOFF64 tls1 0x0
// CHECK-NEXT: 0x2023F8 R_X86_64_TPOFF64 tls0 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
/// 0x2023F0 - 0x201307 = 4329
/// 0x2023F8 - 0x201311 = 4327
/// 0x2023F8 - 0x20131b = 4317
// DISASM: Disassembly of section .text:
// DISASM-EMPTY:
// DISASM-NEXT: <main>:
// DISASM-NEXT: movq 4329(%rip), %rax
// DISASM-NEXT: 201307: movl %fs:(%rax), %eax
// DISASM-NEXT: movq 4327(%rip), %rax
// DISASM-NEXT: 201311: movl %fs:(%rax), %eax
// DISASM-NEXT: movq 4317(%rip), %rax
// DISASM-NEXT: 20131b: movl %fs:(%rax), %eax
/// 0x2023F0 - 0x20132e = 4290
// DISASM-NEXT: movq %fs:0, %rax
// DISASM-NEXT: addq 4290(%rip), %rax
// DISASM-NEXT: 20132e: 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
## Relaxed to TLS IE. Share the GOT entry with GOTTPOFF.
.byte 0x66
leaq tls1@tlsgd(%rip), %rdi
.value 0x6666
rex64
call __tls_get_addr@PLT
ret