lld/test/ELF/arm-thumb-adr.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc --triple=thumbv6m-none-eabi --arm-add-build-attributes -filetype=obj -o %t.o %s
   3 // RUN: ld.lld %t.o -o %t
   4 // RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
   5
   6 /// Test R_ARM_THM_PC8 as used in the adr pseudo instruction. Only positive
   7 /// 4-byte aligned offsets are permitted.
   8  .section .text.01, "ax", %progbits
   9  .balign 4
  10  .global _start
  11  .thumb_func
  12 _start:
  13 /// adr r0, target1
  14  .inst.n 0xa0ff
  15  .reloc 0, R_ARM_THM_PC8, target1
  16 /// adr r1, target2
  17  .inst.n 0xa1ff
  18  .reloc 2, R_ARM_THM_PC8, target2
  19  .section .text.02, "ax", %progbits
  20  .balign 4
  21  .global target1
  22  .type target1, %function
  23 target1:
  24  nop
  25  bx lr
  26  .section .text.03, "ax", %progbits
  27  .balign 4
  28  .space 1016
  29  .type target2, %function
  30 target2:
  31  nop
  32  bx lr
  33
  34 // CHECK: 000200b4 <_start>:
  35 // CHECK-NEXT: 200b4: adr     r0, #0
  36 // CHECK-NEXT: 200b6: adr     r1, #1020
  37
  38 // CHECK: 000200b8 <target1>:
  39 // CHECK-NEXT: 200b8: nop
  40 // CHECK-NEXT: 200ba: bx      lr
  41
  42 // CHECK: 000204b4 <target2>:
  43 // CHECK-NEXT: 204b4: nop
  44 // CHECK-NEXT: 204b6: bx      lr