lld/test/ELF/x86-64-tls-pie.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-cloudabi %s -o %t1.o
   3 # RUN: ld.lld -pie %t1.o -o %t
   4 # RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOCS %s
   5 # RUN: llvm-objdump -d --no-show-raw-insn --no-print-imm-hex --no-leading-addr %t1.o | FileCheck --check-prefix=DIS %s
   6
   7 # Bug 27174: R_X86_64_TPOFF32 and R_X86_64_GOTTPOFF relocations should
   8 # be eliminated when building a PIE executable, as the static TLS layout
   9 # is fixed.
  10 #
  11 # RELOCS:      Relocations [
  12 # RELOCS-NEXT: ]
  13 #
  14 # DIS: <_start>:
  15 # DIS-NEXT:                movq    %fs:0, %rax
  16 # DIS-NEXT:                movl    $3, (%rax)
  17 # DIS-NEXT:                movq    %fs:0, %rdx
  18 # DIS-NEXT:                movq    (%rip), %rcx
  19 # DIS-NEXT:                movl    $3, (%rdx,%rcx)
  20 # DIS-NEXT:                movabsq 0, %rax
  21
  22         .globl  _start
  23 _start:
  24         movq    %fs:0, %rax
  25         movl    $3, i@TPOFF(%rax)
  26
  27         movq    %fs:0, %rdx
  28         movq    i@GOTTPOFF(%rip), %rcx
  29         movl    $3, (%rdx,%rcx)
  30
  31         # This additionally tests support for R_X86_64_TPOFF64 relocations.
  32         movabs  i@TPOFF, %rax
  33
  34         .section        .tbss.i,"awT",@nobits
  35         .globl  i
  36 i:
  37         .long   0
  38         .size   i, 4