lld/test/MachO/arm64-reloc-tlv-load.s

   1 # REQUIRES: aarch64
   2
   3 # RUN: rm -rf %t; split-file %s %t
   4 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/main.s -o %t/main.o
   5 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/foobar.s -o %t/foobar.o
   6
   7 # RUN: %lld -lSystem -arch arm64 -o %t/static %t/main.o %t/foobar.o
   8 # RUN: llvm-objdump --no-print-imm-hex --macho -d --no-show-raw-insn --syms %t/static | FileCheck %s --check-prefix=STATIC
   9
  10 # RUN: %lld -lSystem -arch arm64 -dylib -o %t/libfoo.dylib %t/foobar.o
  11 # RUN: %lld -lSystem -arch arm64 -o %t/main %t/main.o %t/libfoo.dylib
  12 # RUN: llvm-objdump --no-print-imm-hex --macho -d --no-show-raw-insn --section-headers %t/main | FileCheck %s --check-prefix=DYLIB
  13
  14 # STATIC-LABEL: _main:
  15 # STATIC-NEXT:  adrp x8, [[#]] ; 0x[[#%x,PAGE:]]
  16 # STATIC-NEXT:  add  x8, x8, #[[#%u,FOO_OFF:]]
  17 # STATIC-NEXT:  adrp x8, [[#]] ; 0x[[#PAGE]]
  18 # STATIC-NEXT:  add  x8, x8, #[[#%u,BAR_OFF:]]
  19 # STATIC-NEXT:  ret
  20
  21 # STATIC-LABEL: SYMBOL TABLE:
  22 # STATIC-DAG:   {{0*}}[[#%x,PAGE+FOO_OFF]] g     O __DATA,__thread_vars _foo
  23 # STATIC-DAG:   {{0*}}[[#%x,PAGE+BAR_OFF]] g     O __DATA,__thread_vars _bar
  24
  25 # DYLIB-LABEL: _main:
  26 # DYLIB-NEXT:  adrp x8, [[#]] ; 0x[[#%x,TLV:]]
  27 # DYLIB-NEXT:  ldr  x8, [x8, #8] ; literal pool symbol address: _foo
  28 # DYLIB-NEXT:  adrp x8, [[#]] ; 0x[[#TLV]]
  29 # DYLIB-NEXT:  ldr  x8, [x8] ; literal pool symbol address: _bar
  30 # DYLIB-NEXT:  ret
  31 # DYLIB-EMPTY:
  32 # DYLIB-NEXT:  Sections:
  33 # DYLIB-NEXT:  Idx   Name          Size     VMA              Type
  34 # DYLIB:       [[#]] __thread_ptrs 00000010 {{0*}}[[#TLV]]   DATA
  35
  36 #--- main.s
  37 .globl _main, _foo, _bar
  38 .p2align 2
  39 _main:
  40   adrp x8, _foo@TLVPPAGE
  41   ldr  x8, [x8, _foo@TLVPPAGEOFF]
  42   adrp x8, _bar@TLVPPAGE
  43   ldr  x8, [x8, _bar@TLVPPAGEOFF]
  44   ret
  45
  46 #--- foobar.s
  47 .globl _foo, _bar
  48
  49 .section  __DATA,__thread_data,thread_local_regular
  50 _foo$tlv$init:
  51   .long 123
  52 _bar$tlv$init:
  53   .long 123
  54
  55 .section  __DATA,__thread_vars,thread_local_variables
  56 _foo:
  57   .quad __tlv_bootstrap
  58   .quad 0
  59   .quad _foo$tlv$init
  60 _bar:
  61   .quad __tlv_bootstrap
  62   .quad 0
  63   .quad _bar$tlv$init