llvm/test/ExecutionEngine/JITLink/AArch64/MachO_common_symbol_x_multiple_defs.s

   1 # RUN: rm -rf %t && mkdir -p %t
   2 # RUN: llvm-mc -triple=arm64-apple-darwin19 -filetype=obj -o %t/main.o %s
   3 # RUN: llvm-mc -triple=arm64-apple-darwin19 -filetype=obj -o %t/aux_common.o \
   4 # RUN:     %S/Inputs/MachO_common_x_and_addr_getter.s
   5 # RUN: llvm-mc -triple=arm64-apple-darwin19 -filetype=obj -o %t/aux_strong.o \
   6 # RUN:     %S/Inputs/MachO_strong_x_and_addr_getter.s
   7 # RUN: llvm-jitlink -noexec %t/main.o %t/aux_common.o
   8 # RUN: llvm-jitlink -noexec -check=%s %t/main.o %t/aux_strong.o
   9 #
  10 # Check that linking multiple common definitions of the same symbol (in this
  11 # case _x) doesn't lead to an "Unexpected definitions" error.
  12 #
  13 # rdar://132314264
  14 #
  15 # Check that strong defs override:
  16 # jitlink-check: *{8}_x = 42
  17
  18         .section        __TEXT,__text,regular,pure_instructions
  19         .globl  _main
  20         .p2align        2
  21 _main:
  22         stp     x29, x30, [sp, #-16]!
  23         mov     x29, sp
  24         bl      _getXAddr
  25         adrp    x8, _x@GOTPAGE
  26         ldr     x8, [x8, _x@GOTPAGEOFF]
  27         cmp     x0, x8
  28         cset    w0, eq
  29         ldp     x29, x30, [sp], #16
  30         ret
  31
  32         .comm   _x,4,2
  33 .subsections_via_symbols