lld/test/ELF/aarch64-tls-le.s

   1 # REQUIRES: aarch64
   2 # RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
   3 # RUN: ld.lld %t.o -o %t
   4 # RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t | FileCheck %s
   5 # RUN: llvm-readobj -S -r %t | FileCheck -check-prefix=RELOC %s
   6
   7 #Local-Dynamic to Local-Exec relax creates no
   8 #RELOC:      Relocations [
   9 #RELOC-NEXT: ]
  10
  11 ## Reject local-exec TLS relocations for -shared.
  12 # RUN: not ld.lld -shared %t.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR --implicit-check-not=error:
  13
  14 # ERR: error: relocation R_AARCH64_TLSLE_ADD_TPREL_HI12 against v1 cannot be used with -shared
  15 # ERR: error: relocation R_AARCH64_TLSLE_ADD_TPREL_LO12_NC against v1 cannot be used with -shared
  16 # ERR: error: relocation R_AARCH64_TLSLE_ADD_TPREL_HI12 against v2 cannot be used with -shared
  17 # ERR: error: relocation R_AARCH64_TLSLE_ADD_TPREL_LO12_NC against v2 cannot be used with -shared
  18
  19 .globl _start
  20 _start:
  21  mrs x0, TPIDR_EL0
  22  add x0, x0, :tprel_hi12:v1
  23  add x0, x0, :tprel_lo12_nc:v1
  24  mrs x0, TPIDR_EL0
  25  add x0, x0, :tprel_hi12:v2
  26  add x0, x0, :tprel_lo12_nc:v2
  27
  28 # TCB size = 0x16 and foo is first element from TLS register.
  29 #CHECK: Disassembly of section .text:
  30 #CHECK:      <_start>:
  31 #CHECK-NEXT:   mrs     x0, TPIDR_EL0
  32 #CHECK-NEXT:   add     x0, x0, #0, lsl #12
  33 #CHECK-NEXT:   add     x0, x0, #16
  34 #CHECK-NEXT:   mrs     x0, TPIDR_EL0
  35 #CHECK-NEXT:   add     x0, x0, #4095, lsl #12
  36 #CHECK-NEXT:   add     x0, x0, #4088
  37
  38 .section        .tbss,"awT",@nobits
  39
  40 .type   v1,@object
  41 .globl  v1
  42 .p2align 2
  43 v1:
  44 .word  0
  45 .size  v1, 4
  46
  47 # The current offset from the thread pointer is 20. Raise it to just below the
  48 # 24-bit limit.
  49 .space (0xfffff8 - 20)
  50
  51 .type   v2,@object
  52 .globl  v2
  53 .p2align 2
  54 v2:
  55 .word  0
  56 .size  v2, 4